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+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * VIM - Vi IMproved by Bram Moolenaar
+ *
+ * Do ":help uganda" in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+/*
+ * normal.c: Contains the main routine for processing characters in command
+ * mode. Communicates closely with the code in ops.c to handle
+ * the operators.
+ */
+
+#include "vim.h"
+
+#ifdef FEAT_VISUAL
+/*
+ * The Visual area is remembered for reselection.
+ */
+static int resel_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
+static linenr_T resel_VIsual_line_count; /* number of lines */
+static colnr_T resel_VIsual_vcol; /* nr of cols or end col */
+
+static int restart_VIsual_select = 0;
+#endif
+
+#ifdef FEAT_EVAL
+static void set_vcount_ca __ARGS((cmdarg_T *cap, int *set_prevcount));
+#endif
+static int
+# ifdef __BORLANDC__
+_RTLENTRYF
+# endif
+ nv_compare __ARGS((const void *s1, const void *s2));
+static int find_command __ARGS((int cmdchar));
+static void op_colon __ARGS((oparg_T *oap));
+static void op_function __ARGS((oparg_T *oap));
+#if defined(FEAT_MOUSE) && defined(FEAT_VISUAL)
+static void find_start_of_word __ARGS((pos_T *));
+static void find_end_of_word __ARGS((pos_T *));
+static int get_mouse_class __ARGS((char_u *p));
+#endif
+static void prep_redo_cmd __ARGS((cmdarg_T *cap));
+static void prep_redo __ARGS((int regname, long, int, int, int, int, int));
+static int checkclearop __ARGS((oparg_T *oap));
+static int checkclearopq __ARGS((oparg_T *oap));
+static void clearop __ARGS((oparg_T *oap));
+static void clearopbeep __ARGS((oparg_T *oap));
+#ifdef FEAT_VISUAL
+static void unshift_special __ARGS((cmdarg_T *cap));
+#endif
+#ifdef FEAT_CMDL_INFO
+static void del_from_showcmd __ARGS((int));
+#endif
+
+/*
+ * nv_*(): functions called to handle Normal and Visual mode commands.
+ * n_*(): functions called to handle Normal mode commands.
+ * v_*(): functions called to handle Visual mode commands.
+ */
+static void nv_ignore __ARGS((cmdarg_T *cap));
+static void nv_nop __ARGS((cmdarg_T *cap));
+static void nv_error __ARGS((cmdarg_T *cap));
+static void nv_help __ARGS((cmdarg_T *cap));
+static void nv_addsub __ARGS((cmdarg_T *cap));
+static void nv_page __ARGS((cmdarg_T *cap));
+static void nv_gd __ARGS((oparg_T *oap, int nchar, int thisblock));
+static int nv_screengo __ARGS((oparg_T *oap, int dir, long dist));
+#ifdef FEAT_MOUSE
+static void nv_mousescroll __ARGS((cmdarg_T *cap));
+static void nv_mouse __ARGS((cmdarg_T *cap));
+#endif
+static void nv_scroll_line __ARGS((cmdarg_T *cap));
+static void nv_zet __ARGS((cmdarg_T *cap));
+#ifdef FEAT_GUI
+static void nv_ver_scrollbar __ARGS((cmdarg_T *cap));
+static void nv_hor_scrollbar __ARGS((cmdarg_T *cap));
+#endif
+#ifdef FEAT_GUI_TABLINE
+static void nv_tabline __ARGS((cmdarg_T *cap));
+static void nv_tabmenu __ARGS((cmdarg_T *cap));
+#endif
+static void nv_exmode __ARGS((cmdarg_T *cap));
+static void nv_colon __ARGS((cmdarg_T *cap));
+static void nv_ctrlg __ARGS((cmdarg_T *cap));
+static void nv_ctrlh __ARGS((cmdarg_T *cap));
+static void nv_clear __ARGS((cmdarg_T *cap));
+static void nv_ctrlo __ARGS((cmdarg_T *cap));
+static void nv_hat __ARGS((cmdarg_T *cap));
+static void nv_Zet __ARGS((cmdarg_T *cap));
+static void nv_ident __ARGS((cmdarg_T *cap));
+static void nv_tagpop __ARGS((cmdarg_T *cap));
+static void nv_scroll __ARGS((cmdarg_T *cap));
+static void nv_right __ARGS((cmdarg_T *cap));
+static void nv_left __ARGS((cmdarg_T *cap));
+static void nv_up __ARGS((cmdarg_T *cap));
+static void nv_down __ARGS((cmdarg_T *cap));
+#ifdef FEAT_SEARCHPATH
+static void nv_gotofile __ARGS((cmdarg_T *cap));
+#endif
+static void nv_end __ARGS((cmdarg_T *cap));
+static void nv_dollar __ARGS((cmdarg_T *cap));
+static void nv_search __ARGS((cmdarg_T *cap));
+static void nv_next __ARGS((cmdarg_T *cap));
+static void normal_search __ARGS((cmdarg_T *cap, int dir, char_u *pat, int opt));
+static void nv_csearch __ARGS((cmdarg_T *cap));
+static void nv_brackets __ARGS((cmdarg_T *cap));
+static void nv_percent __ARGS((cmdarg_T *cap));
+static void nv_brace __ARGS((cmdarg_T *cap));
+static void nv_mark __ARGS((cmdarg_T *cap));
+static void nv_findpar __ARGS((cmdarg_T *cap));
+static void nv_undo __ARGS((cmdarg_T *cap));
+static void nv_kundo __ARGS((cmdarg_T *cap));
+static void nv_Replace __ARGS((cmdarg_T *cap));
+#ifdef FEAT_VREPLACE
+static void nv_vreplace __ARGS((cmdarg_T *cap));
+#endif
+#ifdef FEAT_VISUAL
+static void v_swap_corners __ARGS((int cmdchar));
+#endif
+static void nv_replace __ARGS((cmdarg_T *cap));
+static void n_swapchar __ARGS((cmdarg_T *cap));
+static void nv_cursormark __ARGS((cmdarg_T *cap, int flag, pos_T *pos));
+#ifdef FEAT_VISUAL
+static void v_visop __ARGS((cmdarg_T *cap));
+#endif
+static void nv_subst __ARGS((cmdarg_T *cap));
+static void nv_abbrev __ARGS((cmdarg_T *cap));
+static void nv_optrans __ARGS((cmdarg_T *cap));
+static void nv_gomark __ARGS((cmdarg_T *cap));
+static void nv_pcmark __ARGS((cmdarg_T *cap));
+static void nv_regname __ARGS((cmdarg_T *cap));
+#ifdef FEAT_VISUAL
+static void nv_visual __ARGS((cmdarg_T *cap));
+static void n_start_visual_mode __ARGS((int c));
+#endif
+static void nv_window __ARGS((cmdarg_T *cap));
+static void nv_suspend __ARGS((cmdarg_T *cap));
+static void nv_g_cmd __ARGS((cmdarg_T *cap));
+static void n_opencmd __ARGS((cmdarg_T *cap));
+static void nv_dot __ARGS((cmdarg_T *cap));
+static void nv_redo __ARGS((cmdarg_T *cap));
+static void nv_Undo __ARGS((cmdarg_T *cap));
+static void nv_tilde __ARGS((cmdarg_T *cap));
+static void nv_operator __ARGS((cmdarg_T *cap));
+#ifdef FEAT_EVAL
+static void set_op_var __ARGS((int optype));
+#endif
+static void nv_lineop __ARGS((cmdarg_T *cap));
+static void nv_home __ARGS((cmdarg_T *cap));
+static void nv_pipe __ARGS((cmdarg_T *cap));
+static void nv_bck_word __ARGS((cmdarg_T *cap));
+static void nv_wordcmd __ARGS((cmdarg_T *cap));
+static void nv_beginline __ARGS((cmdarg_T *cap));
+static void adjust_cursor __ARGS((oparg_T *oap));
+#ifdef FEAT_VISUAL
+static void adjust_for_sel __ARGS((cmdarg_T *cap));
+static int unadjust_for_sel __ARGS((void));
+static void nv_select __ARGS((cmdarg_T *cap));
+#endif
+static void nv_goto __ARGS((cmdarg_T *cap));
+static void nv_normal __ARGS((cmdarg_T *cap));
+static void nv_esc __ARGS((cmdarg_T *oap));
+static void nv_edit __ARGS((cmdarg_T *cap));
+static void invoke_edit __ARGS((cmdarg_T *cap, int repl, int cmd, int startln));
+#ifdef FEAT_TEXTOBJ
+static void nv_object __ARGS((cmdarg_T *cap));
+#endif
+static void nv_record __ARGS((cmdarg_T *cap));
+static void nv_at __ARGS((cmdarg_T *cap));
+static void nv_halfpage __ARGS((cmdarg_T *cap));
+static void nv_join __ARGS((cmdarg_T *cap));
+static void nv_put __ARGS((cmdarg_T *cap));
+static void nv_open __ARGS((cmdarg_T *cap));
+#ifdef FEAT_SNIFF
+static void nv_sniff __ARGS((cmdarg_T *cap));
+#endif
+#ifdef FEAT_NETBEANS_INTG
+static void nv_nbcmd __ARGS((cmdarg_T *cap));
+#endif
+#ifdef FEAT_DND
+static void nv_drop __ARGS((cmdarg_T *cap));
+#endif
+#ifdef FEAT_AUTOCMD
+static void nv_cursorhold __ARGS((cmdarg_T *cap));
+#endif
+
+static char *e_noident = N_("E349: No identifier under cursor");
+
+/*
+ * Function to be called for a Normal or Visual mode command.
+ * The argument is a cmdarg_T.
+ */
+typedef void (*nv_func_T) __ARGS((cmdarg_T *cap));
+
+/* Values for cmd_flags. */
+#define NV_NCH 0x01 /* may need to get a second char */
+#define NV_NCH_NOP (0x02|NV_NCH) /* get second char when no operator pending */
+#define NV_NCH_ALW (0x04|NV_NCH) /* always get a second char */
+#define NV_LANG 0x08 /* second char needs language adjustment */
+
+#define NV_SS 0x10 /* may start selection */
+#define NV_SSS 0x20 /* may start selection with shift modifier */
+#define NV_STS 0x40 /* may stop selection without shift modif. */
+#define NV_RL 0x80 /* 'rightleft' modifies command */
+#define NV_KEEPREG 0x100 /* don't clear regname */
+#define NV_NCW 0x200 /* not allowed in command-line window */
+
+/*
+ * Generally speaking, every Normal mode command should either clear any
+ * pending operator (with *clearop*()), or set the motion type variable
+ * oap->motion_type.
+ *
+ * When a cursor motion command is made, it is marked as being a character or
+ * line oriented motion. Then, if an operator is in effect, the operation
+ * becomes character or line oriented accordingly.
+ */
+
+/*
+ * This table contains one entry for every Normal or Visual mode command.
+ * The order doesn't matter, init_normal_cmds() will create a sorted index.
+ * It is faster when all keys from zero to '~' are present.
+ */
+static const struct nv_cmd
+{
+ int cmd_char; /* (first) command character */
+ nv_func_T cmd_func; /* function for this command */
+ short_u cmd_flags; /* NV_ flags */
+ short cmd_arg; /* value for ca.arg */
+} nv_cmds[] =
+{
+ {NUL, nv_error, 0, 0},
+ {Ctrl_A, nv_addsub, 0, 0},
+ {Ctrl_B, nv_page, NV_STS, BACKWARD},
+ {Ctrl_C, nv_esc, 0, TRUE},
+ {Ctrl_D, nv_halfpage, 0, 0},
+ {Ctrl_E, nv_scroll_line, 0, TRUE},
+ {Ctrl_F, nv_page, NV_STS, FORWARD},
+ {Ctrl_G, nv_ctrlg, 0, 0},
+ {Ctrl_H, nv_ctrlh, 0, 0},
+ {Ctrl_I, nv_pcmark, 0, 0},
+ {NL, nv_down, 0, FALSE},
+ {Ctrl_K, nv_error, 0, 0},
+ {Ctrl_L, nv_clear, 0, 0},
+ {Ctrl_M, nv_down, 0, TRUE},
+ {Ctrl_N, nv_down, NV_STS, FALSE},
+ {Ctrl_O, nv_ctrlo, 0, 0},
+ {Ctrl_P, nv_up, NV_STS, FALSE},
+#ifdef FEAT_VISUAL
+ {Ctrl_Q, nv_visual, 0, FALSE},
+#else
+ {Ctrl_Q, nv_ignore, 0, 0},
+#endif
+ {Ctrl_R, nv_redo, 0, 0},
+ {Ctrl_S, nv_ignore, 0, 0},
+ {Ctrl_T, nv_tagpop, NV_NCW, 0},
+ {Ctrl_U, nv_halfpage, 0, 0},
+#ifdef FEAT_VISUAL
+ {Ctrl_V, nv_visual, 0, FALSE},
+ {'V', nv_visual, 0, FALSE},
+ {'v', nv_visual, 0, FALSE},
+#else
+ {Ctrl_V, nv_error, 0, 0},
+ {'V', nv_error, 0, 0},
+ {'v', nv_error, 0, 0},
+#endif
+ {Ctrl_W, nv_window, 0, 0},
+ {Ctrl_X, nv_addsub, 0, 0},
+ {Ctrl_Y, nv_scroll_line, 0, FALSE},
+ {Ctrl_Z, nv_suspend, 0, 0},
+ {ESC, nv_esc, 0, FALSE},
+ {Ctrl_BSL, nv_normal, NV_NCH_ALW, 0},
+ {Ctrl_RSB, nv_ident, NV_NCW, 0},
+ {Ctrl_HAT, nv_hat, NV_NCW, 0},
+ {Ctrl__, nv_error, 0, 0},
+ {' ', nv_right, 0, 0},
+ {'!', nv_operator, 0, 0},
+ {'"', nv_regname, NV_NCH_NOP|NV_KEEPREG, 0},
+ {'#', nv_ident, 0, 0},
+ {'$', nv_dollar, 0, 0},
+ {'%', nv_percent, 0, 0},
+ {'&', nv_optrans, 0, 0},
+ {'\'', nv_gomark, NV_NCH_ALW, TRUE},
+ {'(', nv_brace, 0, BACKWARD},
+ {')', nv_brace, 0, FORWARD},
+ {'*', nv_ident, 0, 0},
+ {'+', nv_down, 0, TRUE},
+ {',', nv_csearch, 0, TRUE},
+ {'-', nv_up, 0, TRUE},
+ {'.', nv_dot, NV_KEEPREG, 0},
+ {'/', nv_search, 0, FALSE},
+ {'0', nv_beginline, 0, 0},
+ {'1', nv_ignore, 0, 0},
+ {'2', nv_ignore, 0, 0},
+ {'3', nv_ignore, 0, 0},
+ {'4', nv_ignore, 0, 0},
+ {'5', nv_ignore, 0, 0},
+ {'6', nv_ignore, 0, 0},
+ {'7', nv_ignore, 0, 0},
+ {'8', nv_ignore, 0, 0},
+ {'9', nv_ignore, 0, 0},
+ {':', nv_colon, 0, 0},
+ {';', nv_csearch, 0, FALSE},
+ {'<', nv_operator, NV_RL, 0},
+ {'=', nv_operator, 0, 0},
+ {'>', nv_operator, NV_RL, 0},
+ {'?', nv_search, 0, FALSE},
+ {'@', nv_at, NV_NCH_NOP, FALSE},
+ {'A', nv_edit, 0, 0},
+ {'B', nv_bck_word, 0, 1},
+ {'C', nv_abbrev, NV_KEEPREG, 0},
+ {'D', nv_abbrev, NV_KEEPREG, 0},
+ {'E', nv_wordcmd, 0, TRUE},
+ {'F', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
+ {'G', nv_goto, 0, TRUE},
+ {'H', nv_scroll, 0, 0},
+ {'I', nv_edit, 0, 0},
+ {'J', nv_join, 0, 0},
+ {'K', nv_ident, 0, 0},
+ {'L', nv_scroll, 0, 0},
+ {'M', nv_scroll, 0, 0},
+ {'N', nv_next, 0, SEARCH_REV},
+ {'O', nv_open, 0, 0},
+ {'P', nv_put, 0, 0},
+ {'Q', nv_exmode, NV_NCW, 0},
+ {'R', nv_Replace, 0, FALSE},
+ {'S', nv_subst, NV_KEEPREG, 0},
+ {'T', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
+ {'U', nv_Undo, 0, 0},
+ {'W', nv_wordcmd, 0, TRUE},
+ {'X', nv_abbrev, NV_KEEPREG, 0},
+ {'Y', nv_abbrev, NV_KEEPREG, 0},
+ {'Z', nv_Zet, NV_NCH_NOP|NV_NCW, 0},
+ {'[', nv_brackets, NV_NCH_ALW, BACKWARD},
+ {'\\', nv_error, 0, 0},
+ {']', nv_brackets, NV_NCH_ALW, FORWARD},
+ {'^', nv_beginline, 0, BL_WHITE | BL_FIX},
+ {'_', nv_lineop, 0, 0},
+ {'`', nv_gomark, NV_NCH_ALW, FALSE},
+ {'a', nv_edit, NV_NCH, 0},
+ {'b', nv_bck_word, 0, 0},
+ {'c', nv_operator, 0, 0},
+ {'d', nv_operator, 0, 0},
+ {'e', nv_wordcmd, 0, FALSE},
+ {'f', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
+ {'g', nv_g_cmd, NV_NCH_ALW, FALSE},
+ {'h', nv_left, NV_RL, 0},
+ {'i', nv_edit, NV_NCH, 0},
+ {'j', nv_down, 0, FALSE},
+ {'k', nv_up, 0, FALSE},
+ {'l', nv_right, NV_RL, 0},
+ {'m', nv_mark, NV_NCH_NOP, 0},
+ {'n', nv_next, 0, 0},
+ {'o', nv_open, 0, 0},
+ {'p', nv_put, 0, 0},
+ {'q', nv_record, NV_NCH, 0},
+ {'r', nv_replace, NV_NCH_NOP|NV_LANG, 0},
+ {'s', nv_subst, NV_KEEPREG, 0},
+ {'t', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
+ {'u', nv_undo, 0, 0},
+ {'w', nv_wordcmd, 0, FALSE},
+ {'x', nv_abbrev, NV_KEEPREG, 0},
+ {'y', nv_operator, 0, 0},
+ {'z', nv_zet, NV_NCH_ALW, 0},
+ {'{', nv_findpar, 0, BACKWARD},
+ {'|', nv_pipe, 0, 0},
+ {'}', nv_findpar, 0, FORWARD},
+ {'~', nv_tilde, 0, 0},
+
+ /* pound sign */
+ {POUND, nv_ident, 0, 0},
+#ifdef FEAT_MOUSE
+ {K_MOUSEUP, nv_mousescroll, 0, MSCR_UP},
+ {K_MOUSEDOWN, nv_mousescroll, 0, MSCR_DOWN},
+ {K_MOUSELEFT, nv_mousescroll, 0, MSCR_LEFT},
+ {K_MOUSERIGHT, nv_mousescroll, 0, MSCR_RIGHT},
+ {K_LEFTMOUSE, nv_mouse, 0, 0},
+ {K_LEFTMOUSE_NM, nv_mouse, 0, 0},
+ {K_LEFTDRAG, nv_mouse, 0, 0},
+ {K_LEFTRELEASE, nv_mouse, 0, 0},
+ {K_LEFTRELEASE_NM, nv_mouse, 0, 0},
+ {K_MIDDLEMOUSE, nv_mouse, 0, 0},
+ {K_MIDDLEDRAG, nv_mouse, 0, 0},
+ {K_MIDDLERELEASE, nv_mouse, 0, 0},
+ {K_RIGHTMOUSE, nv_mouse, 0, 0},
+ {K_RIGHTDRAG, nv_mouse, 0, 0},
+ {K_RIGHTRELEASE, nv_mouse, 0, 0},
+ {K_X1MOUSE, nv_mouse, 0, 0},
+ {K_X1DRAG, nv_mouse, 0, 0},
+ {K_X1RELEASE, nv_mouse, 0, 0},
+ {K_X2MOUSE, nv_mouse, 0, 0},
+ {K_X2DRAG, nv_mouse, 0, 0},
+ {K_X2RELEASE, nv_mouse, 0, 0},
+#endif
+ {K_IGNORE, nv_ignore, NV_KEEPREG, 0},
+ {K_NOP, nv_nop, 0, 0},
+ {K_INS, nv_edit, 0, 0},
+ {K_KINS, nv_edit, 0, 0},
+ {K_BS, nv_ctrlh, 0, 0},
+ {K_UP, nv_up, NV_SSS|NV_STS, FALSE},
+ {K_S_UP, nv_page, NV_SS, BACKWARD},
+ {K_DOWN, nv_down, NV_SSS|NV_STS, FALSE},
+ {K_S_DOWN, nv_page, NV_SS, FORWARD},
+ {K_LEFT, nv_left, NV_SSS|NV_STS|NV_RL, 0},
+ {K_S_LEFT, nv_bck_word, NV_SS|NV_RL, 0},
+ {K_C_LEFT, nv_bck_word, NV_SSS|NV_RL|NV_STS, 1},
+ {K_RIGHT, nv_right, NV_SSS|NV_STS|NV_RL, 0},
+ {K_S_RIGHT, nv_wordcmd, NV_SS|NV_RL, FALSE},
+ {K_C_RIGHT, nv_wordcmd, NV_SSS|NV_RL|NV_STS, TRUE},
+ {K_PAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
+ {K_KPAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
+ {K_PAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
+ {K_KPAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
+ {K_END, nv_end, NV_SSS|NV_STS, FALSE},
+ {K_KEND, nv_end, NV_SSS|NV_STS, FALSE},
+ {K_S_END, nv_end, NV_SS, FALSE},
+ {K_C_END, nv_end, NV_SSS|NV_STS, TRUE},
+ {K_HOME, nv_home, NV_SSS|NV_STS, 0},
+ {K_KHOME, nv_home, NV_SSS|NV_STS, 0},
+ {K_S_HOME, nv_home, NV_SS, 0},
+ {K_C_HOME, nv_goto, NV_SSS|NV_STS, FALSE},
+ {K_DEL, nv_abbrev, 0, 0},
+ {K_KDEL, nv_abbrev, 0, 0},
+ {K_UNDO, nv_kundo, 0, 0},
+ {K_HELP, nv_help, NV_NCW, 0},
+ {K_F1, nv_help, NV_NCW, 0},
+ {K_XF1, nv_help, NV_NCW, 0},
+#ifdef FEAT_VISUAL
+ {K_SELECT, nv_select, 0, 0},
+#endif
+#ifdef FEAT_GUI
+ {K_VER_SCROLLBAR, nv_ver_scrollbar, 0, 0},
+ {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0, 0},
+#endif
+#ifdef FEAT_GUI_TABLINE
+ {K_TABLINE, nv_tabline, 0, 0},
+ {K_TABMENU, nv_tabmenu, 0, 0},
+#endif
+#ifdef FEAT_FKMAP
+ {K_F8, farsi_fkey, 0, 0},
+ {K_F9, farsi_fkey, 0, 0},
+#endif
+#ifdef FEAT_SNIFF
+ {K_SNIFF, nv_sniff, 0, 0},
+#endif
+#ifdef FEAT_NETBEANS_INTG
+ {K_F21, nv_nbcmd, NV_NCH_ALW, 0},
+#endif
+#ifdef FEAT_DND
+ {K_DROP, nv_drop, NV_STS, 0},
+#endif
+#ifdef FEAT_AUTOCMD
+ {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG, 0},
+#endif
+};
+
+/* Number of commands in nv_cmds[]. */
+#define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
+
+/* Sorted index of commands in nv_cmds[]. */
+static short nv_cmd_idx[NV_CMDS_SIZE];
+
+/* The highest index for which
+ * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
+static int nv_max_linear;
+
+/*
+ * Compare functions for qsort() below, that checks the command character
+ * through the index in nv_cmd_idx[].
+ */
+ static int
+#ifdef __BORLANDC__
+_RTLENTRYF
+#endif
+nv_compare(s1, s2)
+ const void *s1;
+ const void *s2;
+{
+ int c1, c2;
+
+ /* The commands are sorted on absolute value. */
+ c1 = nv_cmds[*(const short *)s1].cmd_char;
+ c2 = nv_cmds[*(const short *)s2].cmd_char;
+ if (c1 < 0)
+ c1 = -c1;
+ if (c2 < 0)
+ c2 = -c2;
+ return c1 - c2;
+}
+
+/*
+ * Initialize the nv_cmd_idx[] table.
+ */
+ void
+init_normal_cmds()
+{
+ int i;
+
+ /* Fill the index table with a one to one relation. */
+ for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
+ nv_cmd_idx[i] = i;
+
+ /* Sort the commands by the command character. */
+ qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
+
+ /* Find the first entry that can't be indexed by the command character. */
+ for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
+ if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
+ break;
+ nv_max_linear = i - 1;
+}
+
+/*
+ * Search for a command in the commands table.
+ * Returns -1 for invalid command.
+ */
+ static int
+find_command(cmdchar)
+ int cmdchar;
+{
+ int i;
+ int idx;
+ int top, bot;
+ int c;
+
+#ifdef FEAT_MBYTE
+ /* A multi-byte character is never a command. */
+ if (cmdchar >= 0x100)
+ return -1;
+#endif
+
+ /* We use the absolute value of the character. Special keys have a
+ * negative value, but are sorted on their absolute value. */
+ if (cmdchar < 0)
+ cmdchar = -cmdchar;
+
+ /* If the character is in the first part: The character is the index into
+ * nv_cmd_idx[]. */
+ if (cmdchar <= nv_max_linear)
+ return nv_cmd_idx[cmdchar];
+
+ /* Perform a binary search. */
+ bot = nv_max_linear + 1;
+ top = NV_CMDS_SIZE - 1;
+ idx = -1;
+ while (bot <= top)
+ {
+ i = (top + bot) / 2;
+ c = nv_cmds[nv_cmd_idx[i]].cmd_char;
+ if (c < 0)
+ c = -c;
+ if (cmdchar == c)
+ {
+ idx = nv_cmd_idx[i];
+ break;
+ }
+ if (cmdchar > c)
+ bot = i + 1;
+ else
+ top = i - 1;
+ }
+ return idx;
+}
+
+/*
+ * Execute a command in Normal mode.
+ */
+ void
+normal_cmd(oap, toplevel)
+ oparg_T *oap;
+ int toplevel UNUSED; /* TRUE when called from main() */
+{
+ cmdarg_T ca; /* command arguments */
+ int c;
+ int ctrl_w = FALSE; /* got CTRL-W command */
+ int old_col = curwin->w_curswant;
+#ifdef FEAT_CMDL_INFO
+ int need_flushbuf; /* need to call out_flush() */
+#endif
+#ifdef FEAT_VISUAL
+ pos_T old_pos; /* cursor position before command */
+ int mapped_len;
+ static int old_mapped_len = 0;
+#endif
+ int idx;
+#ifdef FEAT_EVAL
+ int set_prevcount = FALSE;
+#endif
+
+ vim_memset(&ca, 0, sizeof(ca)); /* also resets ca.retval */
+ ca.oap = oap;
+
+ /* Use a count remembered from before entering an operator. After typing
+ * "3d" we return from normal_cmd() and come back here, the "3" is
+ * remembered in "opcount". */
+ ca.opcount = opcount;
+
+#ifdef FEAT_SNIFF
+ want_sniff_request = sniff_connected;
+#endif
+
+ /*
+ * If there is an operator pending, then the command we take this time
+ * will terminate it. Finish_op tells us to finish the operation before
+ * returning this time (unless the operation was cancelled).
+ */
+#ifdef CURSOR_SHAPE
+ c = finish_op;
+#endif
+ finish_op = (oap->op_type != OP_NOP);
+#ifdef CURSOR_SHAPE
+ if (finish_op != c)
+ {
+ ui_cursor_shape(); /* may show different cursor shape */
+# ifdef FEAT_MOUSESHAPE
+ update_mouseshape(-1);
+# endif
+ }
+#endif
+
+ /* When not finishing an operator and no register name typed, reset the
+ * count. */
+ if (!finish_op && !oap->regname)
+ {
+ ca.opcount = 0;
+#ifdef FEAT_EVAL
+ set_prevcount = TRUE;
+#endif
+ }
+
+#ifdef FEAT_AUTOCMD
+ /* Restore counts from before receiving K_CURSORHOLD. This means after
+ * typing "3", handling K_CURSORHOLD and then typing "2" we get "32", not
+ * "3 * 2". */
+ if (oap->prev_opcount > 0 || oap->prev_count0 > 0)
+ {
+ ca.opcount = oap->prev_opcount;
+ ca.count0 = oap->prev_count0;
+ oap->prev_opcount = 0;
+ oap->prev_count0 = 0;
+ }
+#endif
+
+#ifdef FEAT_VISUAL
+ mapped_len = typebuf_maplen();
+#endif
+
+ State = NORMAL_BUSY;
+#ifdef USE_ON_FLY_SCROLL
+ dont_scroll = FALSE; /* allow scrolling here */
+#endif
+
+#ifdef FEAT_EVAL
+ /* Set v:count here, when called from main() and not a stuffed
+ * command, so that v:count can be used in an expression mapping
+ * when there is no count. */
+ if (toplevel && stuff_empty())
+ set_vcount_ca(&ca, &set_prevcount);
+#endif
+
+ /*
+ * Get the command character from the user.
+ */
+ c = safe_vgetc();
+ LANGMAP_ADJUST(c, TRUE);
+
+#ifdef FEAT_VISUAL
+ /*
+ * If a mapping was started in Visual or Select mode, remember the length
+ * of the mapping. This is used below to not return to Insert mode for as
+ * long as the mapping is being executed.
+ */
+ if (restart_edit == 0)
+ old_mapped_len = 0;
+ else if (old_mapped_len
+ || (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
+ old_mapped_len = typebuf_maplen();
+#endif
+
+ if (c == NUL)
+ c = K_ZERO;
+
+#ifdef FEAT_VISUAL
+ /*
+ * In Select mode, typed text replaces the selection.
+ */
+ if (VIsual_active
+ && VIsual_select
+ && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
+ {
+ /* Fake a "c"hange command. When "restart_edit" is set (e.g., because
+ * 'insertmode' is set) fake a "d"elete command, Insert mode will
+ * restart automatically.
+ * Insert the typed character in the typeahead buffer, so that it can
+ * be mapped in Insert mode. Required for ":lmap" to work. */
+ ins_char_typebuf(c);
+ if (restart_edit != 0)
+ c = 'd';
+ else
+ c = 'c';
+ msg_nowait = TRUE; /* don't delay going to insert mode */
+ }
+#endif
+
+#ifdef FEAT_CMDL_INFO
+ need_flushbuf = add_to_showcmd(c);
+#endif
+
+getcount:
+#ifdef FEAT_VISUAL
+ if (!(VIsual_active && VIsual_select))
+#endif
+ {
+ /*
+ * Handle a count before a command and compute ca.count0.
+ * Note that '0' is a command and not the start of a count, but it's
+ * part of a count after other digits.
+ */
+ while ( (c >= '1' && c <= '9')
+ || (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
+ {
+ if (c == K_DEL || c == K_KDEL)
+ {
+ ca.count0 /= 10;
+#ifdef FEAT_CMDL_INFO
+ del_from_showcmd(4); /* delete the digit and ~@% */
+#endif
+ }
+ else
+ ca.count0 = ca.count0 * 10 + (c - '0');
+ if (ca.count0 < 0) /* got too large! */
+ ca.count0 = 999999999L;
+#ifdef FEAT_EVAL
+ /* Set v:count here, when called from main() and not a stuffed
+ * command, so that v:count can be used in an expression mapping
+ * right after the count. */
+ if (toplevel && stuff_empty())
+ set_vcount_ca(&ca, &set_prevcount);
+#endif
+ if (ctrl_w)
+ {
+ ++no_mapping;
+ ++allow_keys; /* no mapping for nchar, but keys */
+ }
+ ++no_zero_mapping; /* don't map zero here */
+ c = plain_vgetc();
+ LANGMAP_ADJUST(c, TRUE);
+ --no_zero_mapping;
+ if (ctrl_w)
+ {
+ --no_mapping;
+ --allow_keys;
+ }
+#ifdef FEAT_CMDL_INFO
+ need_flushbuf |= add_to_showcmd(c);
+#endif
+ }
+
+ /*
+ * If we got CTRL-W there may be a/another count
+ */
+ if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
+ {
+ ctrl_w = TRUE;
+ ca.opcount = ca.count0; /* remember first count */
+ ca.count0 = 0;
+ ++no_mapping;
+ ++allow_keys; /* no mapping for nchar, but keys */
+ c = plain_vgetc(); /* get next character */
+ LANGMAP_ADJUST(c, TRUE);
+ --no_mapping;
+ --allow_keys;
+#ifdef FEAT_CMDL_INFO
+ need_flushbuf |= add_to_showcmd(c);
+#endif
+ goto getcount; /* jump back */
+ }
+ }
+
+#ifdef FEAT_AUTOCMD
+ if (c == K_CURSORHOLD)
+ {
+ /* Save the count values so that ca.opcount and ca.count0 are exactly
+ * the same when coming back here after handling K_CURSORHOLD. */
+ oap->prev_opcount = ca.opcount;
+ oap->prev_count0 = ca.count0;
+ }
+ else
+#endif
+ if (ca.opcount != 0)
+ {
+ /*
+ * If we're in the middle of an operator (including after entering a
+ * yank buffer with '"') AND we had a count before the operator, then
+ * that count overrides the current value of ca.count0.
+ * What this means effectively, is that commands like "3dw" get turned
+ * into "d3w" which makes things fall into place pretty neatly.
+ * If you give a count before AND after the operator, they are
+ * multiplied.
+ */
+ if (ca.count0)
+ ca.count0 *= ca.opcount;
+ else
+ ca.count0 = ca.opcount;
+ }
+
+ /*
+ * Always remember the count. It will be set to zero (on the next call,
+ * above) when there is no pending operator.
+ * When called from main(), save the count for use by the "count" built-in
+ * variable.
+ */
+ ca.opcount = ca.count0;
+ ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
+
+#ifdef FEAT_EVAL
+ /*
+ * Only set v:count when called from main() and not a stuffed command.
+ */
+ if (toplevel && stuff_empty())
+ set_vcount(ca.count0, ca.count1, set_prevcount);
+#endif
+
+ /*
+ * Find the command character in the table of commands.
+ * For CTRL-W we already got nchar when looking for a count.
+ */
+ if (ctrl_w)
+ {
+ ca.nchar = c;
+ ca.cmdchar = Ctrl_W;
+ }
+ else
+ ca.cmdchar = c;
+ idx = find_command(ca.cmdchar);
+ if (idx < 0)
+ {
+ /* Not a known command: beep. */
+ clearopbeep(oap);
+ goto normal_end;
+ }
+
+ if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW))
+ {
+ /* This command is not allowed while editing a ccmdline: beep. */
+ clearopbeep(oap);
+ text_locked_msg();
+ goto normal_end;
+ }
+#ifdef FEAT_AUTOCMD
+ if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
+ goto normal_end;
+#endif
+
+#ifdef FEAT_VISUAL
+ /*
+ * In Visual/Select mode, a few keys are handled in a special way.
+ */
+ if (VIsual_active)
+ {
+ /* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
+ if (km_stopsel
+ && (nv_cmds[idx].cmd_flags & NV_STS)
+ && !(mod_mask & MOD_MASK_SHIFT))
+ {
+ end_visual_mode();
+ redraw_curbuf_later(INVERTED);
+ }
+
+ /* Keys that work different when 'keymodel' contains "startsel" */
+ if (km_startsel)
+ {
+ if (nv_cmds[idx].cmd_flags & NV_SS)
+ {
+ unshift_special(&ca);
+ idx = find_command(ca.cmdchar);
+ if (idx < 0)
+ {
+ /* Just in case */
+ clearopbeep(oap);
+ goto normal_end;
+ }
+ }
+ else if ((nv_cmds[idx].cmd_flags & NV_SSS)
+ && (mod_mask & MOD_MASK_SHIFT))
+ {
+ mod_mask &= ~MOD_MASK_SHIFT;
+ }
+ }
+ }
+#endif
+
+#ifdef FEAT_RIGHTLEFT
+ if (curwin->w_p_rl && KeyTyped && !KeyStuffed
+ && (nv_cmds[idx].cmd_flags & NV_RL))
+ {
+ /* Invert horizontal movements and operations. Only when typed by the
+ * user directly, not when the result of a mapping or "x" translated
+ * to "dl". */
+ switch (ca.cmdchar)
+ {
+ case 'l': ca.cmdchar = 'h'; break;
+ case K_RIGHT: ca.cmdchar = K_LEFT; break;
+ case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
+ case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
+ case 'h': ca.cmdchar = 'l'; break;
+ case K_LEFT: ca.cmdchar = K_RIGHT; break;
+ case K_S_LEFT: ca.cmdchar = K_S_RIGHT; break;
+ case K_C_LEFT: ca.cmdchar = K_C_RIGHT; break;
+ case '>': ca.cmdchar = '<'; break;
+ case '<': ca.cmdchar = '>'; break;
+ }
+ idx = find_command(ca.cmdchar);
+ }
+#endif
+
+ /*
+ * Get an additional character if we need one.
+ */
+ if ((nv_cmds[idx].cmd_flags & NV_NCH)
+ && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
+ && oap->op_type == OP_NOP)
+ || (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
+ || (ca.cmdchar == 'q'
+ && oap->op_type == OP_NOP
+ && !Recording
+ && !Exec_reg)
+ || ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
+ && (oap->op_type != OP_NOP
+#ifdef FEAT_VISUAL
+ || VIsual_active
+#endif
+ ))))
+ {
+ int *cp;
+ int repl = FALSE; /* get character for replace mode */
+ int lit = FALSE; /* get extra character literally */
+ int langmap_active = FALSE; /* using :lmap mappings */
+ int lang; /* getting a text character */
+#ifdef USE_IM_CONTROL
+ int save_smd; /* saved value of p_smd */
+#endif
+
+ ++no_mapping;
+ ++allow_keys; /* no mapping for nchar, but allow key codes */
+#ifdef FEAT_AUTOCMD
+ /* Don't generate a CursorHold event here, most commands can't handle
+ * it, e.g., nv_replace(), nv_csearch(). */
+ did_cursorhold = TRUE;
+#endif
+ if (ca.cmdchar == 'g')
+ {
+ /*
+ * For 'g' get the next character now, so that we can check for
+ * "gr", "g'" and "g`".
+ */
+ ca.nchar = plain_vgetc();
+ LANGMAP_ADJUST(ca.nchar, TRUE);
+#ifdef FEAT_CMDL_INFO
+ need_flushbuf |= add_to_showcmd(ca.nchar);
+#endif
+ if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
+ || ca.nchar == Ctrl_BSL)
+ {
+ cp = &ca.extra_char; /* need to get a third character */
+ if (ca.nchar != 'r')
+ lit = TRUE; /* get it literally */
+ else
+ repl = TRUE; /* get it in replace mode */
+ }
+ else
+ cp = NULL; /* no third character needed */
+ }
+ else
+ {
+ if (ca.cmdchar == 'r') /* get it in replace mode */
+ repl = TRUE;
+ cp = &ca.nchar;
+ }
+ lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
+
+ /*
+ * Get a second or third character.
+ */
+ if (cp != NULL)
+ {
+#ifdef CURSOR_SHAPE
+ if (repl)
+ {
+ State = REPLACE; /* pretend Replace mode */
+ ui_cursor_shape(); /* show different cursor shape */
+ }
+#endif
+ if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
+ {
+ /* Allow mappings defined with ":lmap". */
+ --no_mapping;
+ --allow_keys;
+ if (repl)
+ State = LREPLACE;
+ else
+ State = LANGMAP;
+ langmap_active = TRUE;
+ }
+#ifdef USE_IM_CONTROL
+ save_smd = p_smd;
+ p_smd = FALSE; /* Don't let the IM code show the mode here */
+ if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
+ im_set_active(TRUE);
+#endif
+
+ *cp = plain_vgetc();
+
+ if (langmap_active)
+ {
+ /* Undo the decrement done above */
+ ++no_mapping;
+ ++allow_keys;
+ State = NORMAL_BUSY;
+ }
+#ifdef USE_IM_CONTROL
+ if (lang)
+ {
+ if (curbuf->b_p_iminsert != B_IMODE_LMAP)
+ im_save_status(&curbuf->b_p_iminsert);
+ im_set_active(FALSE);
+ }
+ p_smd = save_smd;
+#endif
+#ifdef CURSOR_SHAPE
+ State = NORMAL_BUSY;
+#endif
+#ifdef FEAT_CMDL_INFO
+ need_flushbuf |= add_to_showcmd(*cp);
+#endif
+
+ if (!lit)
+ {
+#ifdef FEAT_DIGRAPHS
+ /* Typing CTRL-K gets a digraph. */
+ if (*cp == Ctrl_K
+ && ((nv_cmds[idx].cmd_flags & NV_LANG)
+ || cp == &ca.extra_char)
+ && vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
+ {
+ c = get_digraph(FALSE);
+ if (c > 0)
+ {
+ *cp = c;
+# ifdef FEAT_CMDL_INFO
+ /* Guessing how to update showcmd here... */
+ del_from_showcmd(3);
+ need_flushbuf |= add_to_showcmd(*cp);
+# endif
+ }
+ }
+#endif
+
+ /* adjust chars > 127, except after "tTfFr" commands */
+ LANGMAP_ADJUST(*cp, !lang);
+#ifdef FEAT_RIGHTLEFT
+ /* adjust Hebrew mapped char */
+ if (p_hkmap && lang && KeyTyped)
+ *cp = hkmap(*cp);
+# ifdef FEAT_FKMAP
+ /* adjust Farsi mapped char */
+ if (p_fkmap && lang && KeyTyped)
+ *cp = fkmap(*cp);
+# endif
+#endif
+ }
+
+ /*
+ * When the next character is CTRL-\ a following CTRL-N means the
+ * command is aborted and we go to Normal mode.
+ */
+ if (cp == &ca.extra_char
+ && ca.nchar == Ctrl_BSL
+ && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
+ {
+ ca.cmdchar = Ctrl_BSL;
+ ca.nchar = ca.extra_char;
+ idx = find_command(ca.cmdchar);
+ }
+ else if (*cp == Ctrl_BSL)
+ {
+ long towait = (p_ttm >= 0 ? p_ttm : p_tm);
+
+ /* There is a busy wait here when typing "f<C-\>" and then
+ * something different from CTRL-N. Can't be avoided. */
+ while ((c = vpeekc()) <= 0 && towait > 0L)
+ {
+ do_sleep(towait > 50L ? 50L : towait);
+ towait -= 50L;
+ }
+ if (c > 0)
+ {
+ c = plain_vgetc();
+ if (c != Ctrl_N && c != Ctrl_G)
+ vungetc(c);
+ else
+ {
+ ca.cmdchar = Ctrl_BSL;
+ ca.nchar = c;
+ idx = find_command(ca.cmdchar);
+ }
+ }
+ }
+
+#ifdef FEAT_MBYTE
+ /* When getting a text character and the next character is a
+ * multi-byte character, it could be a composing character.
+ * However, don't wait for it to arrive. */
+ while (enc_utf8 && lang && (c = vpeekc()) > 0
+ && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
+ {
+ c = plain_vgetc();
+ if (!utf_iscomposing(c))
+ {
+ vungetc(c); /* it wasn't, put it back */
+ break;
+ }
+ else if (ca.ncharC1 == 0)
+ ca.ncharC1 = c;
+ else
+ ca.ncharC2 = c;
+ }
+#endif
+ }
+ --no_mapping;
+ --allow_keys;
+ }
+
+#ifdef FEAT_CMDL_INFO
+ /*
+ * Flush the showcmd characters onto the screen so we can see them while
+ * the command is being executed. Only do this when the shown command was
+ * actually displayed, otherwise this will slow down a lot when executing
+ * mappings.
+ */
+ if (need_flushbuf)
+ out_flush();
+#endif
+#ifdef FEAT_AUTOCMD
+ if (ca.cmdchar != K_IGNORE)
+ did_cursorhold = FALSE;
+#endif
+
+ State = NORMAL;
+
+ if (ca.nchar == ESC)
+ {
+ clearop(oap);
+ if (restart_edit == 0 && goto_im())
+ restart_edit = 'a';
+ goto normal_end;
+ }
+
+ if (ca.cmdchar != K_IGNORE)
+ {
+ msg_didout = FALSE; /* don't scroll screen up for normal command */
+ msg_col = 0;
+ }
+
+#ifdef FEAT_VISUAL
+ old_pos = curwin->w_cursor; /* remember where cursor was */
+
+ /* When 'keymodel' contains "startsel" some keys start Select/Visual
+ * mode. */
+ if (!VIsual_active && km_startsel)
+ {
+ if (nv_cmds[idx].cmd_flags & NV_SS)
+ {
+ start_selection();
+ unshift_special(&ca);
+ idx = find_command(ca.cmdchar);
+ }
+ else if ((nv_cmds[idx].cmd_flags & NV_SSS)
+ && (mod_mask & MOD_MASK_SHIFT))
+ {
+ start_selection();
+ mod_mask &= ~MOD_MASK_SHIFT;
+ }
+ }
+#endif
+
+ /*
+ * Execute the command!
+ * Call the command function found in the commands table.
+ */
+ ca.arg = nv_cmds[idx].cmd_arg;
+ (nv_cmds[idx].cmd_func)(&ca);
+
+ /*
+ * If we didn't start or finish an operator, reset oap->regname, unless we
+ * need it later.
+ */
+ if (!finish_op
+ && !oap->op_type
+ && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
+ {
+ clearop(oap);
+#ifdef FEAT_EVAL
+ {
+ int regname = 0;
+
+ /* Adjust the register according to 'clipboard', so that when
+ * "unnamed" is present it becomes '*' or '+' instead of '"'. */
+# ifdef FEAT_CLIPBOARD
+ adjust_clip_reg(&regname);
+# endif
+ set_reg_var(regname);
+ }
+#endif
+ }
+
+#ifdef FEAT_VISUAL
+ /* Get the length of mapped chars again after typing a count, second
+ * character or "z333<cr>". */
+ if (old_mapped_len > 0)
+ old_mapped_len = typebuf_maplen();
+#endif
+
+ /*
+ * If an operation is pending, handle it...
+ */
+ do_pending_operator(&ca, old_col, FALSE);
+
+ /*
+ * Wait for a moment when a message is displayed that will be overwritten
+ * by the mode message.
+ * In Visual mode and with "^O" in Insert mode, a short message will be
+ * overwritten by the mode message. Wait a bit, until a key is hit.
+ * In Visual mode, it's more important to keep the Visual area updated
+ * than keeping a message (e.g. from a /pat search).
+ * Only do this if the command was typed, not from a mapping.
+ * Don't wait when emsg_silent is non-zero.
+ * Also wait a bit after an error message, e.g. for "^O:".
+ * Don't redraw the screen, it would remove the message.
+ */
+ if ( ((p_smd
+ && msg_silent == 0
+ && (restart_edit != 0
+#ifdef FEAT_VISUAL
+ || (VIsual_active
+ && old_pos.lnum == curwin->w_cursor.lnum
+ && old_pos.col == curwin->w_cursor.col)
+#endif
+ )
+ && (clear_cmdline
+ || redraw_cmdline)
+ && (msg_didout || (msg_didany && msg_scroll))
+ && !msg_nowait
+ && KeyTyped)
+ || (restart_edit != 0
+#ifdef FEAT_VISUAL
+ && !VIsual_active
+#endif
+ && (msg_scroll
+ || emsg_on_display)))
+ && oap->regname == 0
+ && !(ca.retval & CA_COMMAND_BUSY)
+ && stuff_empty()
+ && typebuf_typed()
+ && emsg_silent == 0
+ && !did_wait_return
+ && oap->op_type == OP_NOP)
+ {
+ int save_State = State;
+
+ /* Draw the cursor with the right shape here */
+ if (restart_edit != 0)
+ State = INSERT;
+
+ /* If need to redraw, and there is a "keep_msg", redraw before the
+ * delay */
+ if (must_redraw && keep_msg != NULL && !emsg_on_display)
+ {
+ char_u *kmsg;
+
+ kmsg = keep_msg;
+ keep_msg = NULL;
+ /* showmode() will clear keep_msg, but we want to use it anyway */
+ update_screen(0);
+ /* now reset it, otherwise it's put in the history again */
+ keep_msg = kmsg;
+ msg_attr(kmsg, keep_msg_attr);
+ vim_free(kmsg);
+ }
+ setcursor();
+ cursor_on();
+ out_flush();
+ if (msg_scroll || emsg_on_display)
+ ui_delay(1000L, TRUE); /* wait at least one second */
+ ui_delay(3000L, FALSE); /* wait up to three seconds */
+ State = save_State;
+
+ msg_scroll = FALSE;
+ emsg_on_display = FALSE;
+ }
+
+ /*
+ * Finish up after executing a Normal mode command.
+ */
+normal_end:
+
+ msg_nowait = FALSE;
+
+ /* Reset finish_op, in case it was set */
+#ifdef CURSOR_SHAPE
+ c = finish_op;
+#endif
+ finish_op = FALSE;
+#ifdef CURSOR_SHAPE
+ /* Redraw the cursor with another shape, if we were in Operator-pending
+ * mode or did a replace command. */
+ if (c || ca.cmdchar == 'r')
+ {
+ ui_cursor_shape(); /* may show different cursor shape */
+# ifdef FEAT_MOUSESHAPE
+ update_mouseshape(-1);
+# endif
+ }
+#endif
+
+#ifdef FEAT_CMDL_INFO
+ if (oap->op_type == OP_NOP && oap->regname == 0
+# ifdef FEAT_AUTOCMD
+ && ca.cmdchar != K_CURSORHOLD
+# endif
+ )
+ clear_showcmd();
+#endif
+
+ checkpcmark(); /* check if we moved since setting pcmark */
+ vim_free(ca.searchbuf);
+
+#ifdef FEAT_MBYTE
+ if (has_mbyte)
+ mb_adjust_cursor();
+#endif
+
+#ifdef FEAT_SCROLLBIND
+ if (curwin->w_p_scb && toplevel)
+ {
+ validate_cursor(); /* may need to update w_leftcol */
+ do_check_scrollbind(TRUE);
+ }
+#endif
+
+#ifdef FEAT_CURSORBIND
+ if (curwin->w_p_crb && toplevel)
+ {
+ validate_cursor(); /* may need to update w_leftcol */
+ do_check_cursorbind();
+ }
+#endif
+
+ /*
+ * May restart edit(), if we got here with CTRL-O in Insert mode (but not
+ * if still inside a mapping that started in Visual mode).
+ * May switch from Visual to Select mode after CTRL-O command.
+ */
+ if ( oap->op_type == OP_NOP
+#ifdef FEAT_VISUAL
+ && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
+ || restart_VIsual_select == 1)
+#else
+ && restart_edit != 0
+#endif
+ && !(ca.retval & CA_COMMAND_BUSY)
+ && stuff_empty()
+ && oap->regname == 0)
+ {
+#ifdef FEAT_VISUAL
+ if (restart_VIsual_select == 1)
+ {
+ VIsual_select = TRUE;
+ showmode();
+ restart_VIsual_select = 0;
+ }
+#endif
+ if (restart_edit != 0
+#ifdef FEAT_VISUAL
+ && !VIsual_active && old_mapped_len == 0
+#endif
+ )
+ (void)edit(restart_edit, FALSE, 1L);
+ }
+
+#ifdef FEAT_VISUAL
+ if (restart_VIsual_select == 2)
+ restart_VIsual_select = 1;
+#endif
+
+ /* Save count before an operator for next time. */
+ opcount = ca.opcount;
+}
+
+#ifdef FEAT_EVAL
+/*
+ * Set v:count and v:count1 according to "cap".
+ * Set v:prevcount only when "set_prevcount" is TRUE.
+ */
+ static void
+set_vcount_ca(cap, set_prevcount)
+ cmdarg_T *cap;
+ int *set_prevcount;
+{
+ long count = cap->count0;
+
+ /* multiply with cap->opcount the same way as above */
+ if (cap->opcount != 0)
+ count = cap->opcount * (count == 0 ? 1 : count);
+ set_vcount(count, count == 0 ? 1 : count, *set_prevcount);
+ *set_prevcount = FALSE; /* only set v:prevcount once */
+}
+#endif
+
+/*
+ * Handle an operator after visual mode or when the movement is finished
+ */
+ void
+do_pending_operator(cap, old_col, gui_yank)
+ cmdarg_T *cap;
+ int old_col;
+ int gui_yank;
+{
+ oparg_T *oap = cap->oap;
+ pos_T old_cursor;
+ int empty_region_error;
+ int restart_edit_save;
+
+#ifdef FEAT_VISUAL
+ /* The visual area is remembered for redo */
+ static int redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
+ static linenr_T redo_VIsual_line_count; /* number of lines */
+ static colnr_T redo_VIsual_vcol; /* number of cols or end column */
+ static long redo_VIsual_count; /* count for Visual operator */
+# ifdef FEAT_VIRTUALEDIT
+ int include_line_break = FALSE;
+# endif
+#endif
+
+#if defined(FEAT_CLIPBOARD)
+ /*
+ * Yank the visual area into the GUI selection register before we operate
+ * on it and lose it forever.
+ * Don't do it if a specific register was specified, so that ""x"*P works.
+ * This could call do_pending_operator() recursively, but that's OK
+ * because gui_yank will be TRUE for the nested call.
+ */
+ if (clip_star.available
+ && oap->op_type != OP_NOP
+ && !gui_yank
+# ifdef FEAT_VISUAL
+ && VIsual_active
+ && !redo_VIsual_busy
+# endif
+ && oap->regname == 0)
+ clip_auto_select();
+#endif
+ old_cursor = curwin->w_cursor;
+
+ /*
+ * If an operation is pending, handle it...
+ */
+ if ((finish_op
+#ifdef FEAT_VISUAL
+ || VIsual_active
+#endif
+ ) && oap->op_type != OP_NOP)
+ {
+#ifdef FEAT_VISUAL
+ oap->is_VIsual = VIsual_active;
+ if (oap->motion_force == 'V')
+ oap->motion_type = MLINE;
+ else if (oap->motion_force == 'v')
+ {
+ /* If the motion was linewise, "inclusive" will not have been set.
+ * Use "exclusive" to be consistent. Makes "dvj" work nice. */
+ if (oap->motion_type == MLINE)
+ oap->inclusive = FALSE;
+ /* If the motion already was characterwise, toggle "inclusive" */
+ else if (oap->motion_type == MCHAR)
+ oap->inclusive = !oap->inclusive;
+ oap->motion_type = MCHAR;
+ }
+ else if (oap->motion_force == Ctrl_V)
+ {
+ /* Change line- or characterwise motion into Visual block mode. */
+ VIsual_active = TRUE;
+ VIsual = oap->start;
+ VIsual_mode = Ctrl_V;
+ VIsual_select = FALSE;
+ VIsual_reselect = FALSE;
+ }
+#endif
+
+ /* only redo yank when 'y' flag is in 'cpoptions' */
+ /* never redo "zf" (define fold) */
+ if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
+#ifdef FEAT_VISUAL
+ && (!VIsual_active || oap->motion_force)
+#endif
+ && cap->cmdchar != 'D'
+#ifdef FEAT_FOLDING
+ && oap->op_type != OP_FOLD
+ && oap->op_type != OP_FOLDOPEN
+ && oap->op_type != OP_FOLDOPENREC
+ && oap->op_type != OP_FOLDCLOSE
+ && oap->op_type != OP_FOLDCLOSEREC
+ && oap->op_type != OP_FOLDDEL
+ && oap->op_type != OP_FOLDDELREC
+#endif
+ )
+ {
+ prep_redo(oap->regname, cap->count0,
+ get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
+ oap->motion_force, cap->cmdchar, cap->nchar);
+ if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
+ {
+ /*
+ * If 'cpoptions' does not contain 'r', insert the search
+ * pattern to really repeat the same command.
+ */
+ if (vim_strchr(p_cpo, CPO_REDO) == NULL)
+ AppendToRedobuffLit(cap->searchbuf, -1);
+ AppendToRedobuff(NL_STR);
+ }
+ else if (cap->cmdchar == ':')
+ {
+ /* do_cmdline() has stored the first typed line in
+ * "repeat_cmdline". When several lines are typed repeating
+ * won't be possible. */
+ if (repeat_cmdline == NULL)
+ ResetRedobuff();
+ else
+ {
+ AppendToRedobuffLit(repeat_cmdline, -1);
+ AppendToRedobuff(NL_STR);
+ vim_free(repeat_cmdline);
+ repeat_cmdline = NULL;
+ }
+ }
+ }
+
+#ifdef FEAT_VISUAL
+ if (redo_VIsual_busy)
+ {
+ /* Redo of an operation on a Visual area. Use the same size from
+ * redo_VIsual_line_count and redo_VIsual_vcol. */
+ oap->start = curwin->w_cursor;
+ curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
+ if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
+ curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
+ VIsual_mode = redo_VIsual_mode;
+ if (redo_VIsual_vcol == MAXCOL || VIsual_mode == 'v')
+ {
+ if (VIsual_mode == 'v')
+ {
+ if (redo_VIsual_line_count <= 1)
+ {
+ validate_virtcol();
+ curwin->w_curswant =
+ curwin->w_virtcol + redo_VIsual_vcol - 1;
+ }
+ else
+ curwin->w_curswant = redo_VIsual_vcol;
+ }
+ else
+ {
+ curwin->w_curswant = MAXCOL;
+ }
+ coladvance(curwin->w_curswant);
+ }
+ cap->count0 = redo_VIsual_count;
+ if (redo_VIsual_count != 0)
+ cap->count1 = redo_VIsual_count;
+ else
+ cap->count1 = 1;
+ }
+ else if (VIsual_active)
+ {
+ if (!gui_yank)
+ {
+ /* Save the current VIsual area for '< and '> marks, and "gv" */
+ curbuf->b_visual.vi_start = VIsual;
+ curbuf->b_visual.vi_end = curwin->w_cursor;
+ curbuf->b_visual.vi_mode = VIsual_mode;
+ curbuf->b_visual.vi_curswant = curwin->w_curswant;
+# ifdef FEAT_EVAL
+ curbuf->b_visual_mode_eval = VIsual_mode;
+# endif
+ }
+
+ /* In Select mode, a linewise selection is operated upon like a
+ * characterwise selection. */
+ if (VIsual_select && VIsual_mode == 'V')
+ {
+ if (lt(VIsual, curwin->w_cursor))
+ {
+ VIsual.col = 0;
+ curwin->w_cursor.col =
+ (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
+ }
+ else
+ {
+ curwin->w_cursor.col = 0;
+ VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
+ }
+ VIsual_mode = 'v';
+ }
+ /* If 'selection' is "exclusive", backup one character for
+ * charwise selections. */
+ else if (VIsual_mode == 'v')
+ {
+# ifdef FEAT_VIRTUALEDIT
+ include_line_break =
+# endif
+ unadjust_for_sel();
+ }
+
+ oap->start = VIsual;
+ if (VIsual_mode == 'V')
+ oap->start.col = 0;
+ }
+#endif /* FEAT_VISUAL */
+
+ /*
+ * Set oap->start to the first position of the operated text, oap->end
+ * to the end of the operated text. w_cursor is equal to oap->start.
+ */
+ if (lt(oap->start, curwin->w_cursor))
+ {
+#ifdef FEAT_FOLDING
+ /* Include folded lines completely. */
+ if (!VIsual_active)
+ {
+ if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
+ oap->start.col = 0;
+ if (hasFolding(curwin->w_cursor.lnum, NULL,
+ &curwin->w_cursor.lnum))
+ curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
+ }
+#endif
+ oap->end = curwin->w_cursor;
+ curwin->w_cursor = oap->start;
+
+ /* w_virtcol may have been updated; if the cursor goes back to its
+ * previous position w_virtcol becomes invalid and isn't updated
+ * automatically. */
+ curwin->w_valid &= ~VALID_VIRTCOL;
+ }
+ else
+ {
+#ifdef FEAT_FOLDING
+ /* Include folded lines completely. */
+ if (!VIsual_active && oap->motion_type == MLINE)
+ {
+ if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
+ NULL))
+ curwin->w_cursor.col = 0;
+ if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
+ oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
+ }
+#endif
+ oap->end = oap->start;
+ oap->start = curwin->w_cursor;
+ }
+
+ oap->line_count = oap->end.lnum - oap->start.lnum + 1;
+
+#ifdef FEAT_VIRTUALEDIT
+ /* Set "virtual_op" before resetting VIsual_active. */
+ virtual_op = virtual_active();
+#endif
+
+#ifdef FEAT_VISUAL
+ if (VIsual_active || redo_VIsual_busy)
+ {
+ if (VIsual_mode == Ctrl_V) /* block mode */
+ {
+ colnr_T start, end;
+
+ oap->block_mode = TRUE;
+
+ getvvcol(curwin, &(oap->start),
+ &oap->start_vcol, NULL, &oap->end_vcol);
+ if (!redo_VIsual_busy)
+ {
+ getvvcol(curwin, &(oap->end), &start, NULL, &end);
+
+ if (start < oap->start_vcol)
+ oap->start_vcol = start;
+ if (end > oap->end_vcol)
+ {
+ if (*p_sel == 'e' && start >= 1
+ && start - 1 >= oap->end_vcol)
+ oap->end_vcol = start - 1;
+ else
+ oap->end_vcol = end;
+ }
+ }
+
+ /* if '$' was used, get oap->end_vcol from longest line */
+ if (curwin->w_curswant == MAXCOL)
+ {
+ curwin->w_cursor.col = MAXCOL;
+ oap->end_vcol = 0;
+ for (curwin->w_cursor.lnum = oap->start.lnum;
+ curwin->w_cursor.lnum <= oap->end.lnum;
+ ++curwin->w_cursor.lnum)
+ {
+ getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
+ if (end > oap->end_vcol)
+ oap->end_vcol = end;
+ }
+ }
+ else if (redo_VIsual_busy)
+ oap->end_vcol = oap->start_vcol + redo_VIsual_vcol - 1;
+ /*
+ * Correct oap->end.col and oap->start.col to be the
+ * upper-left and lower-right corner of the block area.
+ *
+ * (Actually, this does convert column positions into character
+ * positions)
+ */
+ curwin->w_cursor.lnum = oap->end.lnum;
+ coladvance(oap->end_vcol);
+ oap->end = curwin->w_cursor;
+
+ curwin->w_cursor = oap->start;
+ coladvance(oap->start_vcol);
+ oap->start = curwin->w_cursor;
+ }
+
+ if (!redo_VIsual_busy && !gui_yank)
+ {
+ /*
+ * Prepare to reselect and redo Visual: this is based on the
+ * size of the Visual text
+ */
+ resel_VIsual_mode = VIsual_mode;
+ if (curwin->w_curswant == MAXCOL)
+ resel_VIsual_vcol = MAXCOL;
+ else
+ {
+ if (VIsual_mode != Ctrl_V)
+ getvvcol(curwin, &(oap->end),
+ NULL, NULL, &oap->end_vcol);
+ if (VIsual_mode == Ctrl_V || oap->line_count <= 1)
+ {
+ if (VIsual_mode != Ctrl_V)
+ getvvcol(curwin, &(oap->start),
+ &oap->start_vcol, NULL, NULL);
+ resel_VIsual_vcol = oap->end_vcol - oap->start_vcol + 1;
+ }
+ else
+ resel_VIsual_vcol = oap->end_vcol;
+ }
+ resel_VIsual_line_count = oap->line_count;
+ }
+
+ /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
+ if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
+ && oap->op_type != OP_COLON
+#ifdef FEAT_FOLDING
+ && oap->op_type != OP_FOLD
+ && oap->op_type != OP_FOLDOPEN
+ && oap->op_type != OP_FOLDOPENREC
+ && oap->op_type != OP_FOLDCLOSE
+ && oap->op_type != OP_FOLDCLOSEREC
+ && oap->op_type != OP_FOLDDEL
+ && oap->op_type != OP_FOLDDELREC
+#endif
+ && oap->motion_force == NUL
+ )
+ {
+ /* Prepare for redoing. Only use the nchar field for "r",
+ * otherwise it might be the second char of the operator. */
+ prep_redo(oap->regname, 0L, NUL, 'v',
+ get_op_char(oap->op_type),
+ get_extra_op_char(oap->op_type),
+ oap->op_type == OP_REPLACE ? cap->nchar : NUL);
+ if (!redo_VIsual_busy)
+ {
+ redo_VIsual_mode = resel_VIsual_mode;
+ redo_VIsual_vcol = resel_VIsual_vcol;
+ redo_VIsual_line_count = resel_VIsual_line_count;
+ redo_VIsual_count = cap->count0;
+ }
+ }
+
+ /*
+ * oap->inclusive defaults to TRUE.
+ * If oap->end is on a NUL (empty line) oap->inclusive becomes
+ * FALSE. This makes "d}P" and "v}dP" work the same.
+ */
+ if (oap->motion_force == NUL || oap->motion_type == MLINE)
+ oap->inclusive = TRUE;
+ if (VIsual_mode == 'V')
+ oap->motion_type = MLINE;
+ else
+ {
+ oap->motion_type = MCHAR;
+ if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
+# ifdef FEAT_VIRTUALEDIT
+ && (include_line_break || !virtual_op)
+# endif
+ )
+ {
+ oap->inclusive = FALSE;
+ /* Try to include the newline, unless it's an operator
+ * that works on lines only. */
+ if (*p_sel != 'o' && !op_on_lines(oap->op_type))
+ {
+ if (oap->end.lnum < curbuf->b_ml.ml_line_count)
+ {
+ ++oap->end.lnum;
+ oap->end.col = 0;
+# ifdef FEAT_VIRTUALEDIT
+ oap->end.coladd = 0;
+# endif
+ ++oap->line_count;
+ }
+ else
+ {
+ /* Cannot move below the last line, make the op
+ * inclusive to tell the operation to include the
+ * line break. */
+ oap->inclusive = TRUE;
+ }
+ }
+ }
+ }
+
+ redo_VIsual_busy = FALSE;
+
+ /*
+ * Switch Visual off now, so screen updating does
+ * not show inverted text when the screen is redrawn.
+ * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
+ * no screen redraw, so it is done here to remove the inverted
+ * part.
+ */
+ if (!gui_yank)
+ {
+ VIsual_active = FALSE;
+# ifdef FEAT_MOUSE
+ setmouse();
+ mouse_dragging = 0;
+# endif
+ if (mode_displayed)
+ clear_cmdline = TRUE; /* unshow visual mode later */
+#ifdef FEAT_CMDL_INFO
+ else
+ clear_showcmd();
+#endif
+ if ((oap->op_type == OP_YANK
+ || oap->op_type == OP_COLON
+ || oap->op_type == OP_FUNCTION
+ || oap->op_type == OP_FILTER)
+ && oap->motion_force == NUL)
+ redraw_curbuf_later(INVERTED);
+ }
+ }
+#endif
+
+#ifdef FEAT_MBYTE
+ /* Include the trailing byte of a multi-byte char. */
+ if (has_mbyte && oap->inclusive)
+ {
+ int l;
+
+ l = (*mb_ptr2len)(ml_get_pos(&oap->end));
+ if (l > 1)
+ oap->end.col += l - 1;
+ }
+#endif
+ curwin->w_set_curswant = TRUE;
+
+ /*
+ * oap->empty is set when start and end are the same. The inclusive
+ * flag affects this too, unless yanking and the end is on a NUL.
+ */
+ oap->empty = (oap->motion_type == MCHAR
+ && (!oap->inclusive
+ || (oap->op_type == OP_YANK
+ && gchar_pos(&oap->end) == NUL))
+ && equalpos(oap->start, oap->end)
+#ifdef FEAT_VIRTUALEDIT
+ && !(virtual_op && oap->start.coladd != oap->end.coladd)
+#endif
+ );
+ /*
+ * For delete, change and yank, it's an error to operate on an
+ * empty region, when 'E' included in 'cpoptions' (Vi compatible).
+ */
+ empty_region_error = (oap->empty
+ && vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
+
+#ifdef FEAT_VISUAL
+ /* Force a redraw when operating on an empty Visual region, when
+ * 'modifiable is off or creating a fold. */
+ if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
+# ifdef FEAT_FOLDING
+ || oap->op_type == OP_FOLD
+# endif
+ ))
+ redraw_curbuf_later(INVERTED);
+#endif
+
+ /*
+ * If the end of an operator is in column one while oap->motion_type
+ * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
+ * character in the previous line. If op_start is on or before the
+ * first non-blank in the line, the operator becomes linewise
+ * (strange, but that's the way vi does it).
+ */
+ if ( oap->motion_type == MCHAR
+ && oap->inclusive == FALSE
+ && !(cap->retval & CA_NO_ADJ_OP_END)
+ && oap->end.col == 0
+#ifdef FEAT_VISUAL
+ && (!oap->is_VIsual || *p_sel == 'o')
+ && !oap->block_mode
+#endif
+ && oap->line_count > 1)
+ {
+ oap->end_adjusted = TRUE; /* remember that we did this */
+ --oap->line_count;
+ --oap->end.lnum;
+ if (inindent(0))
+ oap->motion_type = MLINE;
+ else
+ {
+ oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
+ if (oap->end.col)
+ {
+ --oap->end.col;
+ oap->inclusive = TRUE;
+ }
+ }
+ }
+ else
+ oap->end_adjusted = FALSE;
+
+ switch (oap->op_type)
+ {
+ case OP_LSHIFT:
+ case OP_RSHIFT:
+ op_shift(oap, TRUE,
+#ifdef FEAT_VISUAL
+ oap->is_VIsual ? (int)cap->count1 :
+#endif
+ 1);
+ auto_format(FALSE, TRUE);
+ break;
+
+ case OP_JOIN_NS:
+ case OP_JOIN:
+ if (oap->line_count < 2)
+ oap->line_count = 2;
+ if (curwin->w_cursor.lnum + oap->line_count - 1 >
+ curbuf->b_ml.ml_line_count)
+ beep_flush();
+ else
+ {
+ (void)do_join(oap->line_count, oap->op_type == OP_JOIN, TRUE);
+ auto_format(FALSE, TRUE);
+ }
+ break;
+
+ case OP_DELETE:
+#ifdef FEAT_VISUAL
+ VIsual_reselect = FALSE; /* don't reselect now */
+#endif
+ if (empty_region_error)
+ vim_beep();
+ else
+ {
+ (void)op_delete(oap);
+ if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
+ u_save_cursor(); /* cursor line wasn't saved yet */
+ auto_format(FALSE, TRUE);
+ }
+ break;
+
+ case OP_YANK:
+ if (empty_region_error)
+ {
+ if (!gui_yank)
+ vim_beep();
+ }
+ else
+ (void)op_yank(oap, FALSE, !gui_yank);
+ check_cursor_col();
+ break;
+
+ case OP_CHANGE:
+#ifdef FEAT_VISUAL
+ VIsual_reselect = FALSE; /* don't reselect now */
+#endif
+ if (empty_region_error)
+ vim_beep();
+ else
+ {
+ /* This is a new edit command, not a restart. Need to
+ * remember it to make 'insertmode' work with mappings for
+ * Visual mode. But do this only once and not when typed and
+ * 'insertmode' isn't set. */
+ if (p_im || !KeyTyped)
+ restart_edit_save = restart_edit;
+ else
+ restart_edit_save = 0;
+ restart_edit = 0;
+ /* Reset finish_op now, don't want it set inside edit(). */
+ finish_op = FALSE;
+ if (op_change(oap)) /* will call edit() */
+ cap->retval |= CA_COMMAND_BUSY;
+ if (restart_edit == 0)
+ restart_edit = restart_edit_save;
+ }
+ break;
+
+ case OP_FILTER:
+ if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
+ AppendToRedobuff((char_u *)"!\r"); /* use any last used !cmd */
+ else
+ bangredo = TRUE; /* do_bang() will put cmd in redo buffer */
+
+ case OP_INDENT:
+ case OP_COLON:
+
+#if defined(FEAT_LISP) || defined(FEAT_CINDENT)
+ /*
+ * If 'equalprg' is empty, do the indenting internally.
+ */
+ if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
+ {
+# ifdef FEAT_LISP
+ if (curbuf->b_p_lisp)
+ {
+ op_reindent(oap, get_lisp_indent);
+ break;
+ }
+# endif
+# ifdef FEAT_CINDENT
+ op_reindent(oap,
+# ifdef FEAT_EVAL
+ *curbuf->b_p_inde != NUL ? get_expr_indent :
+# endif
+ get_c_indent);
+ break;
+# endif
+ }
+#endif
+
+ op_colon(oap);
+ break;
+
+ case OP_TILDE:
+ case OP_UPPER:
+ case OP_LOWER:
+ case OP_ROT13:
+ if (empty_region_error)
+ vim_beep();
+ else
+ op_tilde(oap);
+ check_cursor_col();
+ break;
+
+ case OP_FORMAT:
+#if defined(FEAT_EVAL)
+ if (*curbuf->b_p_fex != NUL)
+ op_formatexpr(oap); /* use expression */
+ else
+#endif
+ if (*p_fp != NUL)
+ op_colon(oap); /* use external command */
+ else
+ op_format(oap, FALSE); /* use internal function */
+ break;
+
+ case OP_FORMAT2:
+ op_format(oap, TRUE); /* use internal function */
+ break;
+
+ case OP_FUNCTION:
+ op_function(oap); /* call 'operatorfunc' */
+ break;
+
+ case OP_INSERT:
+ case OP_APPEND:
+#ifdef FEAT_VISUAL
+ VIsual_reselect = FALSE; /* don't reselect now */
+#endif
+#ifdef FEAT_VISUALEXTRA
+ if (empty_region_error)
+ vim_beep();
+ else
+ {
+ /* This is a new edit command, not a restart. Need to
+ * remember it to make 'insertmode' work with mappings for
+ * Visual mode. But do this only once. */
+ restart_edit_save = restart_edit;
+ restart_edit = 0;
+
+ op_insert(oap, cap->count1);
+
+ /* TODO: when inserting in several lines, should format all
+ * the lines. */
+ auto_format(FALSE, TRUE);
+
+ if (restart_edit == 0)
+ restart_edit = restart_edit_save;
+ }
+#else
+ vim_beep();
+#endif
+ break;
+
+ case OP_REPLACE:
+#ifdef FEAT_VISUAL
+ VIsual_reselect = FALSE; /* don't reselect now */
+#endif
+#ifdef FEAT_VISUALEXTRA
+ if (empty_region_error)
+#endif
+ vim_beep();
+#ifdef FEAT_VISUALEXTRA
+ else
+ op_replace(oap, cap->nchar);
+#endif
+ break;
+
+#ifdef FEAT_FOLDING
+ case OP_FOLD:
+ VIsual_reselect = FALSE; /* don't reselect now */
+ foldCreate(oap->start.lnum, oap->end.lnum);
+ break;
+
+ case OP_FOLDOPEN:
+ case OP_FOLDOPENREC:
+ case OP_FOLDCLOSE:
+ case OP_FOLDCLOSEREC:
+ VIsual_reselect = FALSE; /* don't reselect now */
+ opFoldRange(oap->start.lnum, oap->end.lnum,
+ oap->op_type == OP_FOLDOPEN
+ || oap->op_type == OP_FOLDOPENREC,
+ oap->op_type == OP_FOLDOPENREC
+ || oap->op_type == OP_FOLDCLOSEREC,
+ oap->is_VIsual);
+ break;
+
+ case OP_FOLDDEL:
+ case OP_FOLDDELREC:
+ VIsual_reselect = FALSE; /* don't reselect now */
+ deleteFold(oap->start.lnum, oap->end.lnum,
+ oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
+ break;
+#endif
+ default:
+ clearopbeep(oap);
+ }
+#ifdef FEAT_VIRTUALEDIT
+ virtual_op = MAYBE;
+#endif
+ if (!gui_yank)
+ {
+ /*
+ * if 'sol' not set, go back to old column for some commands
+ */
+ if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
+ && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
+ || oap->op_type == OP_DELETE))
+ coladvance(curwin->w_curswant = old_col);
+ }
+ else
+ {
+ curwin->w_cursor = old_cursor;
+ }
+#ifdef FEAT_VISUAL
+ oap->block_mode = FALSE;
+#endif
+ clearop(oap);
+ }
+}
+
+/*
+ * Handle indent and format operators and visual mode ":".
+ */
+ static void
+op_colon(oap)
+ oparg_T *oap;
+{
+ stuffcharReadbuff(':');
+#ifdef FEAT_VISUAL
+ if (oap->is_VIsual)
+ stuffReadbuff((char_u *)"'<,'>");
+ else
+#endif
+ {
+ /*
+ * Make the range look nice, so it can be repeated.
+ */
+ if (oap->start.lnum == curwin->w_cursor.lnum)
+ stuffcharReadbuff('.');
+ else
+ stuffnumReadbuff((long)oap->start.lnum);
+ if (oap->end.lnum != oap->start.lnum)
+ {
+ stuffcharReadbuff(',');
+ if (oap->end.lnum == curwin->w_cursor.lnum)
+ stuffcharReadbuff('.');
+ else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
+ stuffcharReadbuff('$');
+ else if (oap->start.lnum == curwin->w_cursor.lnum)
+ {
+ stuffReadbuff((char_u *)".+");
+ stuffnumReadbuff((long)oap->line_count - 1);
+ }
+ else
+ stuffnumReadbuff((long)oap->end.lnum);
+ }
+ }
+ if (oap->op_type != OP_COLON)
+ stuffReadbuff((char_u *)"!");
+ if (oap->op_type == OP_INDENT)
+ {
+#ifndef FEAT_CINDENT
+ if (*get_equalprg() == NUL)
+ stuffReadbuff((char_u *)"indent");
+ else
+#endif
+ stuffReadbuff(get_equalprg());
+ stuffReadbuff((char_u *)"\n");
+ }
+ else if (oap->op_type == OP_FORMAT)
+ {
+ if (*p_fp == NUL)
+ stuffReadbuff((char_u *)"fmt");
+ else
+ stuffReadbuff(p_fp);
+ stuffReadbuff((char_u *)"\n']");
+ }
+
+ /*
+ * do_cmdline() does the rest
+ */
+}
+
+/*
+ * Handle the "g@" operator: call 'operatorfunc'.
+ */
+ static void
+op_function(oap)
+ oparg_T *oap UNUSED;
+{
+#ifdef FEAT_EVAL
+ char_u *(argv[1]);
+
+ if (*p_opfunc == NUL)
+ EMSG(_("E774: 'operatorfunc' is empty"));
+ else
+ {
+ /* Set '[ and '] marks to text to be operated on. */
+ curbuf->b_op_start = oap->start;
+ curbuf->b_op_end = oap->end;
+ if (oap->motion_type != MLINE && !oap->inclusive)
+ /* Exclude the end position. */
+ decl(&curbuf->b_op_end);
+
+ if (oap->block_mode)
+ argv[0] = (char_u *)"block";
+ else if (oap->motion_type == MLINE)
+ argv[0] = (char_u *)"line";
+ else
+ argv[0] = (char_u *)"char";
+ (void)call_func_retnr(p_opfunc, 1, argv, FALSE);
+ }
+#else
+ EMSG(_("E775: Eval feature not available"));
+#endif
+}
+
+#if defined(FEAT_MOUSE) || defined(PROTO)
+/*
+ * Do the appropriate action for the current mouse click in the current mode.
+ * Not used for Command-line mode.
+ *
+ * Normal Mode:
+ * event modi- position visual change action
+ * fier cursor window
+ * left press - yes end yes
+ * left press C yes end yes "^]" (2)
+ * left press S yes end yes "*" (2)
+ * left drag - yes start if moved no
+ * left relse - yes start if moved no
+ * middle press - yes if not active no put register
+ * middle press - yes if active no yank and put
+ * right press - yes start or extend yes
+ * right press S yes no change yes "#" (2)
+ * right drag - yes extend no
+ * right relse - yes extend no
+ *
+ * Insert or Replace Mode:
+ * event modi- position visual change action
+ * fier cursor window
+ * left press - yes (cannot be active) yes
+ * left press C yes (cannot be active) yes "CTRL-O^]" (2)
+ * left press S yes (cannot be active) yes "CTRL-O*" (2)
+ * left drag - yes start or extend (1) no CTRL-O (1)
+ * left relse - yes start or extend (1) no CTRL-O (1)
+ * middle press - no (cannot be active) no put register
+ * right press - yes start or extend yes CTRL-O
+ * right press S yes (cannot be active) yes "CTRL-O#" (2)
+ *
+ * (1) only if mouse pointer moved since press
+ * (2) only if click is in same buffer
+ *
+ * Return TRUE if start_arrow() should be called for edit mode.
+ */
+ int
+do_mouse(oap, c, dir, count, fixindent)
+ oparg_T *oap; /* operator argument, can be NULL */
+ int c; /* K_LEFTMOUSE, etc */
+ int dir; /* Direction to 'put' if necessary */
+ long count;
+ int fixindent; /* PUT_FIXINDENT if fixing indent necessary */
+{
+ static int do_always = FALSE; /* ignore 'mouse' setting next time */
+ static int got_click = FALSE; /* got a click some time back */
+
+ int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */
+ int is_click; /* If FALSE it's a drag or release event */
+ int is_drag; /* If TRUE it's a drag event */
+ int jump_flags = 0; /* flags for jump_to_mouse() */
+ pos_T start_visual;
+ int moved; /* Has cursor moved? */
+ int in_status_line; /* mouse in status line */
+#ifdef FEAT_WINDOWS
+ static int in_tab_line = FALSE; /* mouse clicked in tab line */
+#endif
+#ifdef FEAT_VERTSPLIT
+ int in_sep_line; /* mouse in vertical separator line */
+#endif
+ int c1, c2;
+#if defined(FEAT_FOLDING)
+ pos_T save_cursor;
+#endif
+ win_T *old_curwin = curwin;
+#ifdef FEAT_VISUAL
+ static pos_T orig_cursor;
+ colnr_T leftcol, rightcol;
+ pos_T end_visual;
+ int diff;
+ int old_active = VIsual_active;
+ int old_mode = VIsual_mode;
+#endif
+ int regname;
+
+#if defined(FEAT_FOLDING)
+ save_cursor = curwin->w_cursor;
+#endif
+
+ /*
+ * When GUI is active, always recognize mouse events, otherwise:
+ * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
+ * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
+ * - For command line and insert mode 'mouse' is checked before calling
+ * do_mouse().
+ */
+ if (do_always)
+ do_always = FALSE;
+ else
+#ifdef FEAT_GUI
+ if (!gui.in_use)
+#endif
+ {
+#ifdef FEAT_VISUAL
+ if (VIsual_active)
+ {
+ if (!mouse_has(MOUSE_VISUAL))
+ return FALSE;
+ }
+ else
+#endif
+ if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
+ return FALSE;
+ }
+
+ which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
+
+#ifdef FEAT_MOUSESHAPE
+ /* May have stopped dragging the status or separator line. The pointer is
+ * most likely still on the status or separator line. */
+ if (!is_drag && drag_status_line)
+ {
+ drag_status_line = FALSE;
+ update_mouseshape(SHAPE_IDX_STATUS);
+ }
+# ifdef FEAT_VERTSPLIT
+ if (!is_drag && drag_sep_line)
+ {
+ drag_sep_line = FALSE;
+ update_mouseshape(SHAPE_IDX_VSEP);
+ }
+# endif
+#endif
+
+ /*
+ * Ignore drag and release events if we didn't get a click.
+ */
+ if (is_click)
+ got_click = TRUE;
+ else
+ {
+ if (!got_click) /* didn't get click, ignore */
+ return FALSE;
+ if (!is_drag) /* release, reset got_click */
+ {
+ got_click = FALSE;
+#ifdef FEAT_WINDOWS
+ if (in_tab_line)
+ {
+ in_tab_line = FALSE;
+ return FALSE;
+ }
+#endif
+ }
+ }
+
+#ifndef FEAT_VISUAL
+ /*
+ * ALT is only used for starging/extending Visual mode.
+ */
+ if ((mod_mask & MOD_MASK_ALT))
+ return FALSE;
+#endif
+
+ /*
+ * CTRL right mouse button does CTRL-T
+ */
+ if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
+ {
+ if (State & INSERT)
+ stuffcharReadbuff(Ctrl_O);
+ if (count > 1)
+ stuffnumReadbuff(count);
+ stuffcharReadbuff(Ctrl_T);
+ got_click = FALSE; /* ignore drag&release now */
+ return FALSE;
+ }
+
+ /*
+ * CTRL only works with left mouse button
+ */
+ if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
+ return FALSE;
+
+ /*
+ * When a modifier is down, ignore drag and release events, as well as
+ * multiple clicks and the middle mouse button.
+ * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
+ */
+ if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
+ | MOD_MASK_META))
+ && (!is_click
+ || (mod_mask & MOD_MASK_MULTI_CLICK)
+ || which_button == MOUSE_MIDDLE)
+ && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
+ && mouse_model_popup()
+ && which_button == MOUSE_LEFT)
+ && !((mod_mask & MOD_MASK_ALT)
+ && !mouse_model_popup()
+ && which_button == MOUSE_RIGHT)
+ )
+ return FALSE;
+
+ /*
+ * If the button press was used as the movement command for an operator
+ * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
+ * drag/release events.
+ */
+ if (!is_click && which_button == MOUSE_MIDDLE)
+ return FALSE;
+
+ if (oap != NULL)
+ regname = oap->regname;
+ else
+ regname = 0;
+
+ /*
+ * Middle mouse button does a 'put' of the selected text
+ */
+ if (which_button == MOUSE_MIDDLE)
+ {
+ if (State == NORMAL)
+ {
+ /*
+ * If an operator was pending, we don't know what the user wanted
+ * to do. Go back to normal mode: Clear the operator and beep().
+ */
+ if (oap != NULL && oap->op_type != OP_NOP)
+ {
+ clearopbeep(oap);
+ return FALSE;
+ }
+
+#ifdef FEAT_VISUAL
+ /*
+ * If visual was active, yank the highlighted text and put it
+ * before the mouse pointer position.
+ * In Select mode replace the highlighted text with the clipboard.
+ */
+ if (VIsual_active)
+ {
+ if (VIsual_select)
+ {
+ stuffcharReadbuff(Ctrl_G);
+ stuffReadbuff((char_u *)"\"+p");
+ }
+ else
+ {
+ stuffcharReadbuff('y');
+ stuffcharReadbuff(K_MIDDLEMOUSE);
+ }
+ do_always = TRUE; /* ignore 'mouse' setting next time */
+ return FALSE;
+ }
+#endif
+ /*
+ * The rest is below jump_to_mouse()
+ */
+ }
+
+ else if ((State & INSERT) == 0)
+ return FALSE;
+
+ /*
+ * Middle click in insert mode doesn't move the mouse, just insert the
+ * contents of a register. '.' register is special, can't insert that
+ * with do_put().
+ * Also paste at the cursor if the current mode isn't in 'mouse' (only
+ * happens for the GUI).
+ */
+ if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
+ {
+ if (regname == '.')
+ insert_reg(regname, TRUE);
+ else
+ {
+#ifdef FEAT_CLIPBOARD
+ if (clip_star.available && regname == 0)
+ regname = '*';
+#endif
+ if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
+ insert_reg(regname, TRUE);
+ else
+ {
+ do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
+
+ /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
+ AppendCharToRedobuff(Ctrl_R);
+ AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
+ AppendCharToRedobuff(regname == 0 ? '"' : regname);
+ }
+ }
+ return FALSE;
+ }
+ }
+
+ /* When dragging or button-up stay in the same window. */
+ if (!is_click)
+ jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
+
+ start_visual.lnum = 0;
+
+#ifdef FEAT_WINDOWS
+ /* Check for clicking in the tab page line. */
+ if (mouse_row == 0 && firstwin->w_winrow > 0)
+ {
+ if (is_drag)
+ {
+ if (in_tab_line)
+ {
+ c1 = TabPageIdxs[mouse_col];
+ tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
+ }
+ return FALSE;
+ }
+
+ /* click in a tab selects that tab page */
+ if (is_click
+# ifdef FEAT_CMDWIN
+ && cmdwin_type == 0
+# endif
+ && mouse_col < Columns)
+ {
+ in_tab_line = TRUE;
+ c1 = TabPageIdxs[mouse_col];
+ if (c1 >= 0)
+ {
+ if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
+ {
+ /* double click opens new page */
+ end_visual_mode();
+ tabpage_new();
+ tabpage_move(c1 == 0 ? 9999 : c1 - 1);
+ }
+ else
+ {
+ /* Go to specified tab page, or next one if not clicking
+ * on a label. */
+ goto_tabpage(c1);
+
+ /* It's like clicking on the status line of a window. */
+ if (curwin != old_curwin)
+ end_visual_mode();
+ }
+ }
+ else if (c1 < 0)
+ {
+ tabpage_T *tp;
+
+ /* Close the current or specified tab page. */
+ if (c1 == -999)
+ tp = curtab;
+ else
+ tp = find_tabpage(-c1);
+ if (tp == curtab)
+ {
+ if (first_tabpage->tp_next != NULL)
+ tabpage_close(FALSE);
+ }
+ else if (tp != NULL)
+ tabpage_close_other(tp, FALSE);
+ }
+ }
+ return TRUE;
+ }
+ else if (is_drag && in_tab_line)
+ {
+ c1 = TabPageIdxs[mouse_col];
+ tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
+ return FALSE;
+ }
+
+#endif
+
+ /*
+ * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
+ * right button up -> pop-up menu
+ * shift-left button -> right button
+ * alt-left button -> alt-right button
+ */
+ if (mouse_model_popup())
+ {
+ if (which_button == MOUSE_RIGHT
+ && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
+ {
+ /*
+ * NOTE: Ignore right button down and drag mouse events.
+ * Windows only shows the popup menu on the button up event.
+ */
+#if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
+ || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
+ if (!is_click)
+ return FALSE;
+#endif
+#if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
+ if (is_click || is_drag)
+ return FALSE;
+#endif
+#if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
+ || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
+ || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
+ if (gui.in_use)
+ {
+ jump_flags = 0;
+ if (STRCMP(p_mousem, "popup_setpos") == 0)
+ {
+ /* First set the cursor position before showing the popup
+ * menu. */
+#ifdef FEAT_VISUAL
+ if (VIsual_active)
+ {
+ pos_T m_pos;
+
+ /*
+ * set MOUSE_MAY_STOP_VIS if we are outside the
+ * selection or the current window (might have false
+ * negative here)
+ */
+ if (mouse_row < W_WINROW(curwin)
+ || mouse_row
+ > (W_WINROW(curwin) + curwin->w_height))
+ jump_flags = MOUSE_MAY_STOP_VIS;
+ else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
+ jump_flags = MOUSE_MAY_STOP_VIS;
+ else
+ {
+ if ((lt(curwin->w_cursor, VIsual)
+ && (lt(m_pos, curwin->w_cursor)
+ || lt(VIsual, m_pos)))
+ || (lt(VIsual, curwin->w_cursor)
+ && (lt(m_pos, VIsual)
+ || lt(curwin->w_cursor, m_pos))))
+ {
+ jump_flags = MOUSE_MAY_STOP_VIS;
+ }
+ else if (VIsual_mode == Ctrl_V)
+ {
+ getvcols(curwin, &curwin->w_cursor, &VIsual,
+ &leftcol, &rightcol);
+ getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
+ if (m_pos.col < leftcol || m_pos.col > rightcol)
+ jump_flags = MOUSE_MAY_STOP_VIS;
+ }
+ }
+ }
+ else
+ jump_flags = MOUSE_MAY_STOP_VIS;
+#endif
+ }
+ if (jump_flags)
+ {
+ jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
+ update_curbuf(
+#ifdef FEAT_VISUAL
+ VIsual_active ? INVERTED :
+#endif
+ VALID);
+ setcursor();
+ out_flush(); /* Update before showing popup menu */
+ }
+# ifdef FEAT_MENU
+ gui_show_popupmenu();
+# endif
+ return (jump_flags & CURSOR_MOVED) != 0;
+ }
+ else
+ return FALSE;
+#else
+ return FALSE;
+#endif
+ }
+ if (which_button == MOUSE_LEFT
+ && (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
+ {
+ which_button = MOUSE_RIGHT;
+ mod_mask &= ~MOD_MASK_SHIFT;
+ }
+ }
+
+#ifdef FEAT_VISUAL
+ if ((State & (NORMAL | INSERT))
+ && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
+ {
+ if (which_button == MOUSE_LEFT)
+ {
+ if (is_click)
+ {
+ /* stop Visual mode for a left click in a window, but not when
+ * on a status line */
+ if (VIsual_active)
+ jump_flags |= MOUSE_MAY_STOP_VIS;
+ }
+ else if (mouse_has(MOUSE_VISUAL))
+ jump_flags |= MOUSE_MAY_VIS;
+ }
+ else if (which_button == MOUSE_RIGHT)
+ {
+ if (is_click && VIsual_active)
+ {
+ /*
+ * Remember the start and end of visual before moving the
+ * cursor.
+ */
+ if (lt(curwin->w_cursor, VIsual))
+ {
+ start_visual = curwin->w_cursor;
+ end_visual = VIsual;
+ }
+ else
+ {
+ start_visual = VIsual;
+ end_visual = curwin->w_cursor;
+ }
+ }
+ jump_flags |= MOUSE_FOCUS;
+ if (mouse_has(MOUSE_VISUAL))
+ jump_flags |= MOUSE_MAY_VIS;
+ }
+ }
+#endif
+
+ /*
+ * If an operator is pending, ignore all drags and releases until the
+ * next mouse click.
+ */
+ if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
+ {
+ got_click = FALSE;
+ oap->motion_type = MCHAR;
+ }
+
+ /* When releasing the button let jump_to_mouse() know. */
+ if (!is_click && !is_drag)
+ jump_flags |= MOUSE_RELEASED;
+
+ /*
+ * JUMP!
+ */
+ jump_flags = jump_to_mouse(jump_flags,
+ oap == NULL ? NULL : &(oap->inclusive), which_button);
+ moved = (jump_flags & CURSOR_MOVED);
+ in_status_line = (jump_flags & IN_STATUS_LINE);
+#ifdef FEAT_VERTSPLIT
+ in_sep_line = (jump_flags & IN_SEP_LINE);
+#endif
+
+#ifdef FEAT_NETBEANS_INTG
+ if (isNetbeansBuffer(curbuf)
+ && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
+ {
+ int key = KEY2TERMCAP1(c);
+
+ if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
+ || key == (int)KE_RIGHTRELEASE)
+ netbeans_button_release(which_button);
+ }
+#endif
+
+ /* When jumping to another window, clear a pending operator. That's a bit
+ * friendlier than beeping and not jumping to that window. */
+ if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
+ clearop(oap);
+
+#ifdef FEAT_FOLDING
+ if (mod_mask == 0
+ && !is_drag
+ && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
+ && which_button == MOUSE_LEFT)
+ {
+ /* open or close a fold at this line */
+ if (jump_flags & MOUSE_FOLD_OPEN)
+ openFold(curwin->w_cursor.lnum, 1L);
+ else
+ closeFold(curwin->w_cursor.lnum, 1L);
+ /* don't move the cursor if still in the same window */
+ if (curwin == old_curwin)
+ curwin->w_cursor = save_cursor;
+ }
+#endif
+
+#if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
+ if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
+ {
+ clip_modeless(which_button, is_click, is_drag);
+ return FALSE;
+ }
+#endif
+
+#ifdef FEAT_VISUAL
+ /* Set global flag that we are extending the Visual area with mouse
+ * dragging; temporarily minimize 'scrolloff'. */
+ if (VIsual_active && is_drag && p_so)
+ {
+ /* In the very first line, allow scrolling one line */
+ if (mouse_row == 0)
+ mouse_dragging = 2;
+ else
+ mouse_dragging = 1;
+ }
+
+ /* When dragging the mouse above the window, scroll down. */
+ if (is_drag && mouse_row < 0 && !in_status_line)
+ {
+ scroll_redraw(FALSE, 1L);
+ mouse_row = 0;
+ }
+
+ if (start_visual.lnum) /* right click in visual mode */
+ {
+ /* When ALT is pressed make Visual mode blockwise. */
+ if (mod_mask & MOD_MASK_ALT)
+ VIsual_mode = Ctrl_V;
+
+ /*
+ * In Visual-block mode, divide the area in four, pick up the corner
+ * that is in the quarter that the cursor is in.
+ */
+ if (VIsual_mode == Ctrl_V)
+ {
+ getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
+ if (curwin->w_curswant > (leftcol + rightcol) / 2)
+ end_visual.col = leftcol;
+ else
+ end_visual.col = rightcol;
+ if (curwin->w_cursor.lnum <
+ (start_visual.lnum + end_visual.lnum) / 2)
+ end_visual.lnum = end_visual.lnum;
+ else
+ end_visual.lnum = start_visual.lnum;
+
+ /* move VIsual to the right column */
+ start_visual = curwin->w_cursor; /* save the cursor pos */
+ curwin->w_cursor = end_visual;
+ coladvance(end_visual.col);
+ VIsual = curwin->w_cursor;
+ curwin->w_cursor = start_visual; /* restore the cursor */
+ }
+ else
+ {
+ /*
+ * If the click is before the start of visual, change the start.
+ * If the click is after the end of visual, change the end. If
+ * the click is inside the visual, change the closest side.
+ */
+ if (lt(curwin->w_cursor, start_visual))
+ VIsual = end_visual;
+ else if (lt(end_visual, curwin->w_cursor))
+ VIsual = start_visual;
+ else
+ {
+ /* In the same line, compare column number */
+ if (end_visual.lnum == start_visual.lnum)
+ {
+ if (curwin->w_cursor.col - start_visual.col >
+ end_visual.col - curwin->w_cursor.col)
+ VIsual = start_visual;
+ else
+ VIsual = end_visual;
+ }
+
+ /* In different lines, compare line number */
+ else
+ {
+ diff = (curwin->w_cursor.lnum - start_visual.lnum) -
+ (end_visual.lnum - curwin->w_cursor.lnum);
+
+ if (diff > 0) /* closest to end */
+ VIsual = start_visual;
+ else if (diff < 0) /* closest to start */
+ VIsual = end_visual;
+ else /* in the middle line */
+ {
+ if (curwin->w_cursor.col <
+ (start_visual.col + end_visual.col) / 2)
+ VIsual = end_visual;
+ else
+ VIsual = start_visual;
+ }
+ }
+ }
+ }
+ }
+ /*
+ * If Visual mode started in insert mode, execute "CTRL-O"
+ */
+ else if ((State & INSERT) && VIsual_active)
+ stuffcharReadbuff(Ctrl_O);
+#endif
+
+ /*
+ * Middle mouse click: Put text before cursor.
+ */
+ if (which_button == MOUSE_MIDDLE)
+ {
+#ifdef FEAT_CLIPBOARD
+ if (clip_star.available && regname == 0)
+ regname = '*';
+#endif
+ if (yank_register_mline(regname))
+ {
+ if (mouse_past_bottom)
+ dir = FORWARD;
+ }
+ else if (mouse_past_eol)
+ dir = FORWARD;
+
+ if (fixindent)
+ {
+ c1 = (dir == BACKWARD) ? '[' : ']';
+ c2 = 'p';
+ }
+ else
+ {
+ c1 = (dir == FORWARD) ? 'p' : 'P';
+ c2 = NUL;
+ }
+ prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
+
+ /*
+ * Remember where the paste started, so in edit() Insstart can be set
+ * to this position
+ */
+ if (restart_edit != 0)
+ where_paste_started = curwin->w_cursor;
+ do_put(regname, dir, count, fixindent | PUT_CURSEND);
+ }
+
+#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
+ /*
+ * Ctrl-Mouse click or double click in a quickfix window jumps to the
+ * error under the mouse pointer.
+ */
+ else if (((mod_mask & MOD_MASK_CTRL)
+ || (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
+ && bt_quickfix(curbuf))
+ {
+ if (State & INSERT)
+ stuffcharReadbuff(Ctrl_O);
+ if (curwin->w_llist_ref == NULL) /* quickfix window */
+ stuffReadbuff((char_u *)":.cc\n");
+ else /* location list window */
+ stuffReadbuff((char_u *)":.ll\n");
+ got_click = FALSE; /* ignore drag&release now */
+ }
+#endif
+
+ /*
+ * Ctrl-Mouse click (or double click in a help window) jumps to the tag
+ * under the mouse pointer.
+ */
+ else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
+ && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
+ {
+ if (State & INSERT)
+ stuffcharReadbuff(Ctrl_O);
+ stuffcharReadbuff(Ctrl_RSB);
+ got_click = FALSE; /* ignore drag&release now */
+ }
+
+ /*
+ * Shift-Mouse click searches for the next occurrence of the word under
+ * the mouse pointer
+ */
+ else if ((mod_mask & MOD_MASK_SHIFT))
+ {
+ if (State & INSERT
+#ifdef FEAT_VISUAL
+ || (VIsual_active && VIsual_select)
+#endif
+ )
+ stuffcharReadbuff(Ctrl_O);
+ if (which_button == MOUSE_LEFT)
+ stuffcharReadbuff('*');
+ else /* MOUSE_RIGHT */
+ stuffcharReadbuff('#');
+ }
+
+ /* Handle double clicks, unless on status line */
+ else if (in_status_line)
+ {
+#ifdef FEAT_MOUSESHAPE
+ if ((is_drag || is_click) && !drag_status_line)
+ {
+ drag_status_line = TRUE;
+ update_mouseshape(-1);
+ }
+#endif
+ }
+#ifdef FEAT_VERTSPLIT
+ else if (in_sep_line)
+ {
+# ifdef FEAT_MOUSESHAPE
+ if ((is_drag || is_click) && !drag_sep_line)
+ {
+ drag_sep_line = TRUE;
+ update_mouseshape(-1);
+ }
+# endif
+ }
+#endif
+#ifdef FEAT_VISUAL
+ else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
+ && mouse_has(MOUSE_VISUAL))
+ {
+ if (is_click || !VIsual_active)
+ {
+ if (VIsual_active)
+ orig_cursor = VIsual;
+ else
+ {
+ check_visual_highlight();
+ VIsual = curwin->w_cursor;
+ orig_cursor = VIsual;
+ VIsual_active = TRUE;
+ VIsual_reselect = TRUE;
+ /* start Select mode if 'selectmode' contains "mouse" */
+ may_start_select('o');
+ setmouse();
+ }
+ if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
+ {
+ /* Double click with ALT pressed makes it blockwise. */
+ if (mod_mask & MOD_MASK_ALT)
+ VIsual_mode = Ctrl_V;
+ else
+ VIsual_mode = 'v';
+ }
+ else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
+ VIsual_mode = 'V';
+ else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
+ VIsual_mode = Ctrl_V;
+#ifdef FEAT_CLIPBOARD
+ /* Make sure the clipboard gets updated. Needed because start and
+ * end may still be the same, and the selection needs to be owned */
+ clip_star.vmode = NUL;
+#endif
+ }
+ /*
+ * A double click selects a word or a block.
+ */
+ if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
+ {
+ pos_T *pos = NULL;
+ int gc;
+
+ if (is_click)
+ {
+ /* If the character under the cursor (skipping white space) is
+ * not a word character, try finding a match and select a (),
+ * {}, [], #if/#endif, etc. block. */
+ end_visual = curwin->w_cursor;
+ while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
+ inc(&end_visual);
+ if (oap != NULL)
+ oap->motion_type = MCHAR;
+ if (oap != NULL
+ && VIsual_mode == 'v'
+ && !vim_iswordc(gchar_pos(&end_visual))
+ && equalpos(curwin->w_cursor, VIsual)
+ && (pos = findmatch(oap, NUL)) != NULL)
+ {
+ curwin->w_cursor = *pos;
+ if (oap->motion_type == MLINE)
+ VIsual_mode = 'V';
+ else if (*p_sel == 'e')
+ {
+ if (lt(curwin->w_cursor, VIsual))
+ ++VIsual.col;
+ else
+ ++curwin->w_cursor.col;
+ }
+ }
+ }
+
+ if (pos == NULL && (is_click || is_drag))
+ {
+ /* When not found a match or when dragging: extend to include
+ * a word. */
+ if (lt(curwin->w_cursor, orig_cursor))
+ {
+ find_start_of_word(&curwin->w_cursor);
+ find_end_of_word(&VIsual);
+ }
+ else
+ {
+ find_start_of_word(&VIsual);
+ if (*p_sel == 'e' && *ml_get_cursor() != NUL)
+#ifdef FEAT_MBYTE
+ curwin->w_cursor.col +=
+ (*mb_ptr2len)(ml_get_cursor());
+#else
+ ++curwin->w_cursor.col;
+#endif
+ find_end_of_word(&curwin->w_cursor);
+ }
+ }
+ curwin->w_set_curswant = TRUE;
+ }
+ if (is_click)
+ redraw_curbuf_later(INVERTED); /* update the inversion */
+ }
+ else if (VIsual_active && !old_active)
+ {
+ if (mod_mask & MOD_MASK_ALT)
+ VIsual_mode = Ctrl_V;
+ else
+ VIsual_mode = 'v';
+ }
+
+ /* If Visual mode changed show it later. */
+ if ((!VIsual_active && old_active && mode_displayed)
+ || (VIsual_active && p_smd && msg_silent == 0
+ && (!old_active || VIsual_mode != old_mode)))
+ redraw_cmdline = TRUE;
+#endif
+
+ return moved;
+}
+
+#ifdef FEAT_VISUAL
+/*
+ * Move "pos" back to the start of the word it's in.
+ */
+ static void
+find_start_of_word(pos)
+ pos_T *pos;
+{
+ char_u *line;
+ int cclass;
+ int col;
+
+ line = ml_get(pos->lnum);
+ cclass = get_mouse_class(line + pos->col);
+
+ while (pos->col > 0)
+ {
+ col = pos->col - 1;
+#ifdef FEAT_MBYTE
+ col -= (*mb_head_off)(line, line + col);
+#endif
+ if (get_mouse_class(line + col) != cclass)
+ break;
+ pos->col = col;
+ }
+}
+
+/*
+ * Move "pos" forward to the end of the word it's in.
+ * When 'selection' is "exclusive", the position is just after the word.
+ */
+ static void
+find_end_of_word(pos)
+ pos_T *pos;
+{
+ char_u *line;
+ int cclass;
+ int col;
+
+ line = ml_get(pos->lnum);
+ if (*p_sel == 'e' && pos->col > 0)
+ {
+ --pos->col;
+#ifdef FEAT_MBYTE
+ pos->col -= (*mb_head_off)(line, line + pos->col);
+#endif
+ }
+ cclass = get_mouse_class(line + pos->col);
+ while (line[pos->col] != NUL)
+ {
+#ifdef FEAT_MBYTE
+ col = pos->col + (*mb_ptr2len)(line + pos->col);
+#else
+ col = pos->col + 1;
+#endif
+ if (get_mouse_class(line + col) != cclass)
+ {
+ if (*p_sel == 'e')
+ pos->col = col;
+ break;
+ }
+ pos->col = col;
+ }
+}
+
+/*
+ * Get class of a character for selection: same class means same word.
+ * 0: blank
+ * 1: punctuation groups
+ * 2: normal word character
+ * >2: multi-byte word character.
+ */
+ static int
+get_mouse_class(p)
+ char_u *p;
+{
+ int c;
+
+#ifdef FEAT_MBYTE
+ if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
+ return mb_get_class(p);
+#endif
+
+ c = *p;
+ if (c == ' ' || c == '\t')
+ return 0;
+
+ if (vim_iswordc(c))
+ return 2;
+
+ /*
+ * There are a few special cases where we want certain combinations of
+ * characters to be considered as a single word. These are things like
+ * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each
+ * character is in its own class.
+ */
+ if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
+ return 1;
+ return c;
+}
+#endif /* FEAT_VISUAL */
+#endif /* FEAT_MOUSE */
+
+#if defined(FEAT_VISUAL) || defined(PROTO)
+/*
+ * Check if highlighting for visual mode is possible, give a warning message
+ * if not.
+ */
+ void
+check_visual_highlight()
+{
+ static int did_check = FALSE;
+
+ if (full_screen)
+ {
+ if (!did_check && hl_attr(HLF_V) == 0)
+ MSG(_("Warning: terminal cannot highlight"));
+ did_check = TRUE;
+ }
+}
+
+/*
+ * End Visual mode.
+ * This function should ALWAYS be called to end Visual mode, except from
+ * do_pending_operator().
+ */
+ void
+end_visual_mode()
+{
+#ifdef FEAT_CLIPBOARD
+ /*
+ * If we are using the clipboard, then remember what was selected in case
+ * we need to paste it somewhere while we still own the selection.
+ * Only do this when the clipboard is already owned. Don't want to grab
+ * the selection when hitting ESC.
+ */
+ if (clip_star.available && clip_star.owned)
+ clip_auto_select();
+#endif
+
+ VIsual_active = FALSE;
+#ifdef FEAT_MOUSE
+ setmouse();
+ mouse_dragging = 0;
+#endif
+
+ /* Save the current VIsual area for '< and '> marks, and "gv" */
+ curbuf->b_visual.vi_mode = VIsual_mode;
+ curbuf->b_visual.vi_start = VIsual;
+ curbuf->b_visual.vi_end = curwin->w_cursor;
+ curbuf->b_visual.vi_curswant = curwin->w_curswant;
+#ifdef FEAT_EVAL
+ curbuf->b_visual_mode_eval = VIsual_mode;
+#endif
+#ifdef FEAT_VIRTUALEDIT
+ if (!virtual_active())
+ curwin->w_cursor.coladd = 0;
+#endif
+
+ if (mode_displayed)
+ clear_cmdline = TRUE; /* unshow visual mode later */
+#ifdef FEAT_CMDL_INFO
+ else
+ clear_showcmd();
+#endif
+
+ adjust_cursor_eol();
+}
+
+/*
+ * Reset VIsual_active and VIsual_reselect.
+ */
+ void
+reset_VIsual_and_resel()
+{
+ if (VIsual_active)
+ {
+ end_visual_mode();
+ redraw_curbuf_later(INVERTED); /* delete the inversion later */
+ }
+ VIsual_reselect = FALSE;
+}
+
+/*
+ * Reset VIsual_active and VIsual_reselect if it's set.
+ */
+ void
+reset_VIsual()
+{
+ if (VIsual_active)
+ {
+ end_visual_mode();
+ redraw_curbuf_later(INVERTED); /* delete the inversion later */
+ VIsual_reselect = FALSE;
+ }
+}
+#endif /* FEAT_VISUAL */
+
+#if defined(FEAT_BEVAL)
+static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
+
+/*
+ * Check for a balloon-eval special item to include when searching for an
+ * identifier. When "dir" is BACKWARD "ptr[-1]" must be valid!
+ * Returns TRUE if the character at "*ptr" should be included.
+ * "dir" is FORWARD or BACKWARD, the direction of searching.
+ * "*colp" is in/decremented if "ptr[-dir]" should also be included.
+ * "bnp" points to a counter for square brackets.
+ */
+ static int
+find_is_eval_item(ptr, colp, bnp, dir)
+ char_u *ptr;
+ int *colp;
+ int *bnp;
+ int dir;
+{
+ /* Accept everything inside []. */
+ if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
+ ++*bnp;
+ if (*bnp > 0)
+ {
+ if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
+ --*bnp;
+ return TRUE;
+ }
+
+ /* skip over "s.var" */
+ if (*ptr == '.')
+ return TRUE;
+
+ /* two-character item: s->var */
+ if (ptr[dir == BACKWARD ? 0 : 1] == '>'
+ && ptr[dir == BACKWARD ? -1 : 0] == '-')
+ {
+ *colp += dir;
+ return TRUE;
+ }
+ return FALSE;
+}
+#endif
+
+/*
+ * Find the identifier under or to the right of the cursor.
+ * "find_type" can have one of three values:
+ * FIND_IDENT: find an identifier (keyword)
+ * FIND_STRING: find any non-white string
+ * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
+ * FIND_EVAL: find text useful for C program debugging
+ *
+ * There are three steps:
+ * 1. Search forward for the start of an identifier/string. Doesn't move if
+ * already on one.
+ * 2. Search backward for the start of this identifier/string.
+ * This doesn't match the real Vi but I like it a little better and it
+ * shouldn't bother anyone.
+ * 3. Search forward to the end of this identifier/string.
+ * When FIND_IDENT isn't defined, we backup until a blank.
+ *
+ * Returns the length of the string, or zero if no string is found.
+ * If a string is found, a pointer to the string is put in "*string". This
+ * string is not always NUL terminated.
+ */
+ int
+find_ident_under_cursor(string, find_type)
+ char_u **string;
+ int find_type;
+{
+ return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
+ curwin->w_cursor.col, string, find_type);
+}
+
+/*
+ * Like find_ident_under_cursor(), but for any window and any position.
+ * However: Uses 'iskeyword' from the current window!.
+ */
+ int
+find_ident_at_pos(wp, lnum, startcol, string, find_type)
+ win_T *wp;
+ linenr_T lnum;
+ colnr_T startcol;
+ char_u **string;
+ int find_type;
+{
+ char_u *ptr;
+ int col = 0; /* init to shut up GCC */
+ int i;
+#ifdef FEAT_MBYTE
+ int this_class = 0;
+ int prev_class;
+ int prevcol;
+#endif
+#if defined(FEAT_BEVAL)
+ int bn = 0; /* bracket nesting */
+#endif
+
+ /*
+ * if i == 0: try to find an identifier
+ * if i == 1: try to find any non-white string
+ */
+ ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
+ for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i)
+ {
+ /*
+ * 1. skip to start of identifier/string
+ */
+ col = startcol;
+#ifdef FEAT_MBYTE
+ if (has_mbyte)
+ {
+ while (ptr[col] != NUL)
+ {
+# if defined(FEAT_BEVAL)
+ /* Stop at a ']' to evaluate "a[x]". */
+ if ((find_type & FIND_EVAL) && ptr[col] == ']')
+ break;
+# endif
+ this_class = mb_get_class(ptr + col);
+ if (this_class != 0 && (i == 1 || this_class != 1))
+ break;
+ col += (*mb_ptr2len)(ptr + col);
+ }
+ }
+ else
+#endif
+ while (ptr[col] != NUL
+ && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
+# if defined(FEAT_BEVAL)
+ && (!(find_type & FIND_EVAL) || ptr[col] != ']')
+# endif
+ )
+ ++col;
+
+#if defined(FEAT_BEVAL)
+ /* When starting on a ']' count it, so that we include the '['. */
+ bn = ptr[col] == ']';
+#endif
+
+ /*
+ * 2. Back up to start of identifier/string.
+ */
+#ifdef FEAT_MBYTE
+ if (has_mbyte)
+ {
+ /* Remember class of character under cursor. */
+# if defined(FEAT_BEVAL)
+ if ((find_type & FIND_EVAL) && ptr[col] == ']')
+ this_class = mb_get_class((char_u *)"a");
+ else
+# endif
+ this_class = mb_get_class(ptr + col);
+ while (col > 0 && this_class != 0)
+ {
+ prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
+ prev_class = mb_get_class(ptr + prevcol);
+ if (this_class != prev_class
+ && (i == 0
+ || prev_class == 0
+ || (find_type & FIND_IDENT))
+# if defined(FEAT_BEVAL)
+ && (!(find_type & FIND_EVAL)
+ || prevcol == 0
+ || !find_is_eval_item(ptr + prevcol, &prevcol,
+ &bn, BACKWARD))
+# endif
+ )
+ break;
+ col = prevcol;
+ }
+
+ /* If we don't want just any old string, or we've found an
+ * identifier, stop searching. */
+ if (this_class > 2)
+ this_class = 2;
+ if (!(find_type & FIND_STRING) || this_class == 2)
+ break;
+ }
+ else
+#endif
+ {
+ while (col > 0
+ && ((i == 0
+ ? vim_iswordc(ptr[col - 1])
+ : (!vim_iswhite(ptr[col - 1])
+ && (!(find_type & FIND_IDENT)
+ || !vim_iswordc(ptr[col - 1]))))
+#if defined(FEAT_BEVAL)
+ || ((find_type & FIND_EVAL)
+ && col > 1
+ && find_is_eval_item(ptr + col - 1, &col,
+ &bn, BACKWARD))
+#endif
+ ))
+ --col;
+
+ /* If we don't want just any old string, or we've found an
+ * identifier, stop searching. */
+ if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
+ break;
+ }
+ }
+
+ if (ptr[col] == NUL || (i == 0 && (
+#ifdef FEAT_MBYTE
+ has_mbyte ? this_class != 2 :
+#endif
+ !vim_iswordc(ptr[col]))))
+ {
+ /*
+ * didn't find an identifier or string
+ */
+ if (find_type & FIND_STRING)
+ EMSG(_("E348: No string under cursor"));
+ else
+ EMSG(_(e_noident));
+ return 0;
+ }
+ ptr += col;
+ *string = ptr;
+
+ /*
+ * 3. Find the end if the identifier/string.
+ */
+#if defined(FEAT_BEVAL)
+ bn = 0;
+ startcol -= col;
+#endif
+ col = 0;
+#ifdef FEAT_MBYTE
+ if (has_mbyte)
+ {
+ /* Search for point of changing multibyte character class. */
+ this_class = mb_get_class(ptr);
+ while (ptr[col] != NUL
+ && ((i == 0 ? mb_get_class(ptr + col) == this_class
+ : mb_get_class(ptr + col) != 0)
+# if defined(FEAT_BEVAL)
+ || ((find_type & FIND_EVAL)
+ && col <= (int)startcol
+ && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
+# endif
+ ))
+ col += (*mb_ptr2len)(ptr + col);
+ }
+ else
+#endif
+ while ((i == 0 ? vim_iswordc(ptr[col])
+ : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
+# if defined(FEAT_BEVAL)
+ || ((find_type & FIND_EVAL)
+ && col <= (int)startcol
+ && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
+# endif
+ )
+ {
+ ++col;
+ }
+
+ return col;
+}
+
+/*
+ * Prepare for redo of a normal command.
+ */
+ static void
+prep_redo_cmd(cap)
+ cmdarg_T *cap;
+{
+ prep_redo(cap->oap->regname, cap->count0,
+ NUL, cap->cmdchar, NUL, NUL, cap->nchar);
+}
+
+/*
+ * Prepare for redo of any command.
+ * Note that only the last argument can be a multi-byte char.
+ */
+ static void
+prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
+ int regname;
+ long num;
+ int cmd1;
+ int cmd2;
+ int cmd3;
+ int cmd4;
+ int cmd5;
+{
+ ResetRedobuff();
+ if (regname != 0) /* yank from specified buffer */
+ {
+ AppendCharToRedobuff('"');
+ AppendCharToRedobuff(regname);
+ }
+ if (num)
+ AppendNumberToRedobuff(num);
+
+ if (cmd1 != NUL)
+ AppendCharToRedobuff(cmd1);
+ if (cmd2 != NUL)
+ AppendCharToRedobuff(cmd2);
+ if (cmd3 != NUL)
+ AppendCharToRedobuff(cmd3);
+ if (cmd4 != NUL)
+ AppendCharToRedobuff(cmd4);
+ if (cmd5 != NUL)
+ AppendCharToRedobuff(cmd5);
+}
+
+/*
+ * check for operator active and clear it
+ *
+ * return TRUE if operator was active
+ */
+ static int
+checkclearop(oap)
+ oparg_T *oap;
+{
+ if (oap->op_type == OP_NOP)
+ return FALSE;
+ clearopbeep(oap);
+ return TRUE;
+}
+
+/*
+ * Check for operator or Visual active. Clear active operator.
+ *
+ * Return TRUE if operator or Visual was active.
+ */
+ static int
+checkclearopq(oap)
+ oparg_T *oap;
+{
+ if (oap->op_type == OP_NOP
+#ifdef FEAT_VISUAL
+ && !VIsual_active
+#endif
+ )
+ return FALSE;
+ clearopbeep(oap);
+ return TRUE;
+}
+
+ static void
+clearop(oap)
+ oparg_T *oap;
+{
+ oap->op_type = OP_NOP;
+ oap->regname = 0;
+ oap->motion_force = NUL;
+ oap->use_reg_one = FALSE;
+}
+
+ static void
+clearopbeep(oap)
+ oparg_T *oap;
+{
+ clearop(oap);
+ beep_flush();
+}
+
+#ifdef FEAT_VISUAL
+/*
+ * Remove the shift modifier from a special key.
+ */
+ static void
+unshift_special(cap)
+ cmdarg_T *cap;
+{
+ switch (cap->cmdchar)
+ {
+ case K_S_RIGHT: cap->cmdchar = K_RIGHT; break;
+ case K_S_LEFT: cap->cmdchar = K_LEFT; break;
+ case K_S_UP: cap->cmdchar = K_UP; break;
+ case K_S_DOWN: cap->cmdchar = K_DOWN; break;
+ case K_S_HOME: cap->cmdchar = K_HOME; break;
+ case K_S_END: cap->cmdchar = K_END; break;
+ }
+ cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
+}
+#endif
+
+#if defined(FEAT_CMDL_INFO) || defined(PROTO)
+/*
+ * Routines for displaying a partly typed command
+ */
+
+#ifdef FEAT_VISUAL /* need room for size of Visual area */
+# define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
+#else
+# define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
+#endif
+static char_u showcmd_buf[SHOWCMD_BUFLEN];
+static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; /* For push_showcmd() */
+static int showcmd_is_clear = TRUE;
+static int showcmd_visual = FALSE;
+
+static void display_showcmd __ARGS((void));
+
+ void
+clear_showcmd()
+{
+ if (!p_sc)
+ return;
+
+#ifdef FEAT_VISUAL
+ if (VIsual_active && !char_avail())
+ {
+ int cursor_bot = lt(VIsual, curwin->w_cursor);
+ long lines;
+ colnr_T leftcol, rightcol;
+ linenr_T top, bot;
+
+ /* Show the size of the Visual area. */
+ if (cursor_bot)
+ {
+ top = VIsual.lnum;
+ bot = curwin->w_cursor.lnum;
+ }
+ else
+ {
+ top = curwin->w_cursor.lnum;
+ bot = VIsual.lnum;
+ }
+# ifdef FEAT_FOLDING
+ /* Include closed folds as a whole. */
+ hasFolding(top, &top, NULL);
+ hasFolding(bot, NULL, &bot);
+# endif
+ lines = bot - top + 1;
+
+ if (VIsual_mode == Ctrl_V)
+ {
+# ifdef FEAT_LINEBREAK
+ char_u *saved_sbr = p_sbr;
+
+ /* Make 'sbr' empty for a moment to get the correct size. */
+ p_sbr = empty_option;
+# endif
+ getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
+# ifdef FEAT_LINEBREAK
+ p_sbr = saved_sbr;
+# endif
+ sprintf((char *)showcmd_buf, "%ldx%ld", lines,
+ (long)(rightcol - leftcol + 1));
+ }
+ else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
+ sprintf((char *)showcmd_buf, "%ld", lines);
+ else
+ {
+ char_u *s, *e;
+ int l;
+ int bytes = 0;
+ int chars = 0;
+
+ if (cursor_bot)
+ {
+ s = ml_get_pos(&VIsual);
+ e = ml_get_cursor();
+ }
+ else
+ {
+ s = ml_get_cursor();
+ e = ml_get_pos(&VIsual);
+ }
+ while ((*p_sel != 'e') ? s <= e : s < e)
+ {
+# ifdef FEAT_MBYTE
+ l = (*mb_ptr2len)(s);
+# else
+ l = (*s == NUL) ? 0 : 1;
+# endif
+ if (l == 0)
+ {
+ ++bytes;
+ ++chars;
+ break; /* end of line */
+ }
+ bytes += l;
+ ++chars;
+ s += l;
+ }
+ if (bytes == chars)
+ sprintf((char *)showcmd_buf, "%d", chars);
+ else
+ sprintf((char *)showcmd_buf, "%d-%d", chars, bytes);
+ }
+ showcmd_buf[SHOWCMD_COLS] = NUL; /* truncate */
+ showcmd_visual = TRUE;
+ }
+ else
+#endif
+ {
+ showcmd_buf[0] = NUL;
+ showcmd_visual = FALSE;
+
+ /* Don't actually display something if there is nothing to clear. */
+ if (showcmd_is_clear)
+ return;
+ }
+
+ display_showcmd();
+}
+
+/*
+ * Add 'c' to string of shown command chars.
+ * Return TRUE if output has been written (and setcursor() has been called).
+ */
+ int
+add_to_showcmd(c)
+ int c;
+{
+ char_u *p;
+ int old_len;
+ int extra_len;
+ int overflow;
+#if defined(FEAT_MOUSE)
+ int i;
+ static int ignore[] =
+ {
+# ifdef FEAT_GUI
+ K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
+ K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
+# endif
+ K_IGNORE,
+ K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
+ K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
+ K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
+ K_MOUSEDOWN, K_MOUSEUP, K_MOUSELEFT, K_MOUSERIGHT,
+ K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
+ K_CURSORHOLD,
+ 0
+ };
+#endif
+
+ if (!p_sc || msg_silent != 0)
+ return FALSE;
+
+ if (showcmd_visual)
+ {
+ showcmd_buf[0] = NUL;
+ showcmd_visual = FALSE;
+ }
+
+#if defined(FEAT_MOUSE)
+ /* Ignore keys that are scrollbar updates and mouse clicks */
+ if (IS_SPECIAL(c))
+ for (i = 0; ignore[i] != 0; ++i)
+ if (ignore[i] == c)
+ return FALSE;
+#endif
+
+ p = transchar(c);
+ old_len = (int)STRLEN(showcmd_buf);
+ extra_len = (int)STRLEN(p);
+ overflow = old_len + extra_len - SHOWCMD_COLS;
+ if (overflow > 0)
+ mch_memmove(showcmd_buf, showcmd_buf + overflow,
+ old_len - overflow + 1);
+ STRCAT(showcmd_buf, p);
+
+ if (char_avail())
+ return FALSE;
+
+ display_showcmd();
+
+ return TRUE;
+}
+
+ void
+add_to_showcmd_c(c)
+ int c;
+{
+ if (!add_to_showcmd(c))
+ setcursor();
+}
+
+/*
+ * Delete 'len' characters from the end of the shown command.
+ */
+ static void
+del_from_showcmd(len)
+ int len;
+{
+ int old_len;
+
+ if (!p_sc)
+ return;
+
+ old_len = (int)STRLEN(showcmd_buf);
+ if (len > old_len)
+ len = old_len;
+ showcmd_buf[old_len - len] = NUL;
+
+ if (!char_avail())
+ display_showcmd();
+}
+
+/*
+ * push_showcmd() and pop_showcmd() are used when waiting for the user to type
+ * something and there is a partial mapping.
+ */
+ void
+push_showcmd()
+{
+ if (p_sc)
+ STRCPY(old_showcmd_buf, showcmd_buf);
+}
+
+ void
+pop_showcmd()
+{
+ if (!p_sc)
+ return;
+
+ STRCPY(showcmd_buf, old_showcmd_buf);
+
+ display_showcmd();
+}
+
+ static void
+display_showcmd()
+{
+ int len;
+
+ cursor_off();
+
+ len = (int)STRLEN(showcmd_buf);
+ if (len == 0)
+ showcmd_is_clear = TRUE;
+ else
+ {
+ screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
+ showcmd_is_clear = FALSE;
+ }
+
+ /*
+ * clear the rest of an old message by outputting up to SHOWCMD_COLS
+ * spaces
+ */
+ screen_puts((char_u *)" " + len, (int)Rows - 1, sc_col + len, 0);
+
+ setcursor(); /* put cursor back where it belongs */
+}
+#endif
+
+#ifdef FEAT_SCROLLBIND
+/*
+ * When "check" is FALSE, prepare for commands that scroll the window.
+ * When "check" is TRUE, take care of scroll-binding after the window has
+ * scrolled. Called from normal_cmd() and edit().
+ */
+ void
+do_check_scrollbind(check)
+ int check;
+{
+ static win_T *old_curwin = NULL;
+ static linenr_T old_topline = 0;
+#ifdef FEAT_DIFF
+ static int old_topfill = 0;
+#endif
+ static buf_T *old_buf = NULL;
+ static colnr_T old_leftcol = 0;
+
+ if (check && curwin->w_p_scb)
+ {
+ /* If a ":syncbind" command was just used, don't scroll, only reset
+ * the values. */
+ if (did_syncbind)
+ did_syncbind = FALSE;
+ else if (curwin == old_curwin)
+ {
+ /*
+ * Synchronize other windows, as necessary according to
+ * 'scrollbind'. Don't do this after an ":edit" command, except
+ * when 'diff' is set.
+ */
+ if ((curwin->w_buffer == old_buf
+#ifdef FEAT_DIFF
+ || curwin->w_p_diff
+#endif
+ )
+ && (curwin->w_topline != old_topline
+#ifdef FEAT_DIFF
+ || curwin->w_topfill != old_topfill
+#endif
+ || curwin->w_leftcol != old_leftcol))
+ {
+ check_scrollbind(curwin->w_topline - old_topline,
+ (long)(curwin->w_leftcol - old_leftcol));
+ }
+ }
+ else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
+ {
+ /*
+ * When switching between windows, make sure that the relative
+ * vertical offset is valid for the new window. The relative
+ * offset is invalid whenever another 'scrollbind' window has
+ * scrolled to a point that would force the current window to
+ * scroll past the beginning or end of its buffer. When the
+ * resync is performed, some of the other 'scrollbind' windows may
+ * need to jump so that the current window's relative position is
+ * visible on-screen.
+ */
+ check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
+ }
+ curwin->w_scbind_pos = curwin->w_topline;
+ }
+
+ old_curwin = curwin;
+ old_topline = curwin->w_topline;
+#ifdef FEAT_DIFF
+ old_topfill = curwin->w_topfill;
+#endif
+ old_buf = curwin->w_buffer;
+ old_leftcol = curwin->w_leftcol;
+}
+
+/*
+ * Synchronize any windows that have "scrollbind" set, based on the
+ * number of rows by which the current window has changed
+ * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
+ */
+ void
+check_scrollbind(topline_diff, leftcol_diff)
+ linenr_T topline_diff;
+ long leftcol_diff;
+{
+ int want_ver;
+ int want_hor;
+ win_T *old_curwin = curwin;
+ buf_T *old_curbuf = curbuf;
+#ifdef FEAT_VISUAL
+ int old_VIsual_select = VIsual_select;
+ int old_VIsual_active = VIsual_active;
+#endif
+ colnr_T tgt_leftcol = curwin->w_leftcol;
+ long topline;
+ long y;
+
+ /*
+ * check 'scrollopt' string for vertical and horizontal scroll options
+ */
+ want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
+#ifdef FEAT_DIFF
+ want_ver |= old_curwin->w_p_diff;
+#endif
+ want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
+
+ /*
+ * loop through the scrollbound windows and scroll accordingly
+ */
+#ifdef FEAT_VISUAL
+ VIsual_select = VIsual_active = 0;
+#endif
+ for (curwin = firstwin; curwin; curwin = curwin->w_next)
+ {
+ curbuf = curwin->w_buffer;
+ /* skip original window and windows with 'noscrollbind' */
+ if (curwin != old_curwin && curwin->w_p_scb)
+ {
+ /*
+ * do the vertical scroll
+ */
+ if (want_ver)
+ {
+#ifdef FEAT_DIFF
+ if (old_curwin->w_p_diff && curwin->w_p_diff)
+ {
+ diff_set_topline(old_curwin, curwin);
+ }
+ else
+#endif
+ {
+ curwin->w_scbind_pos += topline_diff;
+ topline = curwin->w_scbind_pos;
+ if (topline > curbuf->b_ml.ml_line_count)
+ topline = curbuf->b_ml.ml_line_count;
+ if (topline < 1)
+ topline = 1;
+
+ y = topline - curwin->w_topline;
+ if (y > 0)
+ scrollup(y, FALSE);
+ else
+ scrolldown(-y, FALSE);
+ }
+
+ redraw_later(VALID);
+ cursor_correct();
+#ifdef FEAT_WINDOWS
+ curwin->w_redr_status = TRUE;
+#endif
+ }
+
+ /*
+ * do the horizontal scroll
+ */
+ if (want_hor && curwin->w_leftcol != tgt_leftcol)
+ {
+ curwin->w_leftcol = tgt_leftcol;
+ leftcol_changed();
+ }
+ }
+ }
+
+ /*
+ * reset current-window
+ */
+#ifdef FEAT_VISUAL
+ VIsual_select = old_VIsual_select;
+ VIsual_active = old_VIsual_active;
+#endif
+ curwin = old_curwin;
+ curbuf = old_curbuf;
+}
+#endif /* #ifdef FEAT_SCROLLBIND */
+
+/*
+ * Command character that's ignored.
+ * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
+ * xon/xoff.
+ */
+ static void
+nv_ignore(cap)
+ cmdarg_T *cap;
+{
+ cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
+}
+
+/*
+ * Command character that doesn't do anything, but unlike nv_ignore() does
+ * start edit(). Used for "startinsert" executed while starting up.
+ */
+ static void
+nv_nop(cap)
+ cmdarg_T *cap UNUSED;
+{
+}
+
+/*
+ * Command character doesn't exist.
+ */
+ static void
+nv_error(cap)
+ cmdarg_T *cap;
+{
+ clearopbeep(cap->oap);
+}
+
+/*
+ * <Help> and <F1> commands.
+ */
+ static void
+nv_help(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearopq(cap->oap))
+ ex_help(NULL);
+}
+
+/*
+ * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
+ */
+ static void
+nv_addsub(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearopq(cap->oap)
+ && do_addsub((int)cap->cmdchar, cap->count1) == OK)
+ prep_redo_cmd(cap);
+}
+
+/*
+ * CTRL-F, CTRL-B, etc: Scroll page up or down.
+ */
+ static void
+nv_page(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearop(cap->oap))
+ {
+#ifdef FEAT_WINDOWS
+ if (mod_mask & MOD_MASK_CTRL)
+ {
+ /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
+ if (cap->arg == BACKWARD)
+ goto_tabpage(-(int)cap->count1);
+ else
+ goto_tabpage((int)cap->count0);
+ }
+ else
+#endif
+ (void)onepage(cap->arg, cap->count1);
+ }
+}
+
+/*
+ * Implementation of "gd" and "gD" command.
+ */
+ static void
+nv_gd(oap, nchar, thisblock)
+ oparg_T *oap;
+ int nchar;
+ int thisblock; /* 1 for "1gd" and "1gD" */
+{
+ int len;
+ char_u *ptr;
+
+ if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
+ || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
+ clearopbeep(oap);
+#ifdef FEAT_FOLDING
+ else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+}
+
+/*
+ * Search for variable declaration of "ptr[len]".
+ * When "locally" is TRUE in the current function ("gd"), otherwise in the
+ * current file ("gD").
+ * When "thisblock" is TRUE check the {} block scope.
+ * Return FAIL when not found.
+ */
+ int
+find_decl(ptr, len, locally, thisblock, searchflags)
+ char_u *ptr;
+ int len;
+ int locally;
+ int thisblock;
+ int searchflags; /* flags passed to searchit() */
+{
+ char_u *pat;
+ pos_T old_pos;
+ pos_T par_pos;
+ pos_T found_pos;
+ int t;
+ int save_p_ws;
+ int save_p_scs;
+ int retval = OK;
+ int incll;
+
+ if ((pat = alloc(len + 7)) == NULL)
+ return FAIL;
+
+ /* Put "\V" before the pattern to avoid that the special meaning of "."
+ * and "~" causes trouble. */
+ sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
+ len, ptr);
+ old_pos = curwin->w_cursor;
+ save_p_ws = p_ws;
+ save_p_scs = p_scs;
+ p_ws = FALSE; /* don't wrap around end of file now */
+ p_scs = FALSE; /* don't switch ignorecase off now */
+
+ /*
+ * With "gD" go to line 1.
+ * With "gd" Search back for the start of the current function, then go
+ * back until a blank line. If this fails go to line 1.
+ */
+ if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
+ {
+ setpcmark(); /* Set in findpar() otherwise */
+ curwin->w_cursor.lnum = 1;
+ par_pos = curwin->w_cursor;
+ }
+ else
+ {
+ par_pos = curwin->w_cursor;
+ while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
+ --curwin->w_cursor.lnum;
+ }
+ curwin->w_cursor.col = 0;
+
+ /* Search forward for the identifier, ignore comment lines. */
+ clearpos(&found_pos);
+ for (;;)
+ {
+ t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
+ pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL);
+ if (curwin->w_cursor.lnum >= old_pos.lnum)
+ t = FAIL; /* match after start is failure too */
+
+ if (thisblock && t != FAIL)
+ {
+ pos_T *pos;
+
+ /* Check that the block the match is in doesn't end before the
+ * position where we started the search from. */
+ if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
+ (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
+ && pos->lnum < old_pos.lnum)
+ continue;
+ }
+
+ if (t == FAIL)
+ {
+ /* If we previously found a valid position, use it. */
+ if (found_pos.lnum != 0)
+ {
+ curwin->w_cursor = found_pos;
+ t = OK;
+ }
+ break;
+ }
+#ifdef FEAT_COMMENTS
+ if (get_leader_len(ml_get_curline(), NULL, FALSE) > 0)
+ {
+ /* Ignore this line, continue at start of next line. */
+ ++curwin->w_cursor.lnum;
+ curwin->w_cursor.col = 0;
+ continue;
+ }
+#endif
+ if (!locally) /* global search: use first match found */
+ break;
+ if (curwin->w_cursor.lnum >= par_pos.lnum)
+ {
+ /* If we previously found a valid position, use it. */
+ if (found_pos.lnum != 0)
+ curwin->w_cursor = found_pos;
+ break;
+ }
+
+ /* For finding a local variable and the match is before the "{" search
+ * to find a later match. For K&R style function declarations this
+ * skips the function header without types. */
+ found_pos = curwin->w_cursor;
+ }
+
+ if (t == FAIL)
+ {
+ retval = FAIL;
+ curwin->w_cursor = old_pos;
+ }
+ else
+ {
+ curwin->w_set_curswant = TRUE;
+ /* "n" searches forward now */
+ reset_search_dir();
+ }
+
+ vim_free(pat);
+ p_ws = save_p_ws;
+ p_scs = save_p_scs;
+
+ return retval;
+}
+
+/*
+ * Move 'dist' lines in direction 'dir', counting lines by *screen*
+ * lines rather than lines in the file.
+ * 'dist' must be positive.
+ *
+ * Return OK if able to move cursor, FAIL otherwise.
+ */
+ static int
+nv_screengo(oap, dir, dist)
+ oparg_T *oap;
+ int dir;
+ long dist;
+{
+ int linelen = linetabsize(ml_get_curline());
+ int retval = OK;
+ int atend = FALSE;
+ int n;
+ int col_off1; /* margin offset for first screen line */
+ int col_off2; /* margin offset for wrapped screen line */
+ int width1; /* text width for first screen line */
+ int width2; /* test width for wrapped screen line */
+
+ oap->motion_type = MCHAR;
+ oap->inclusive = FALSE;
+
+ col_off1 = curwin_col_off();
+ col_off2 = col_off1 - curwin_col_off2();
+ width1 = W_WIDTH(curwin) - col_off1;
+ width2 = W_WIDTH(curwin) - col_off2;
+
+#ifdef FEAT_VERTSPLIT
+ if (curwin->w_width != 0)
+ {
+#endif
+ /*
+ * Instead of sticking at the last character of the buffer line we
+ * try to stick in the last column of the screen.
+ */
+ if (curwin->w_curswant == MAXCOL)
+ {
+ atend = TRUE;
+ validate_virtcol();
+ if (width1 <= 0)
+ curwin->w_curswant = 0;
+ else
+ {
+ curwin->w_curswant = width1 - 1;
+ if (curwin->w_virtcol > curwin->w_curswant)
+ curwin->w_curswant += ((curwin->w_virtcol
+ - curwin->w_curswant - 1) / width2 + 1) * width2;
+ }
+ }
+ else
+ {
+ if (linelen > width1)
+ n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
+ else
+ n = width1;
+ if (curwin->w_curswant > (colnr_T)n + 1)
+ curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
+ * width2;
+ }
+
+ while (dist--)
+ {
+ if (dir == BACKWARD)
+ {
+ if ((long)curwin->w_curswant >= width2)
+ /* move back within line */
+ curwin->w_curswant -= width2;
+ else
+ {
+ /* to previous line */
+ if (curwin->w_cursor.lnum == 1)
+ {
+ retval = FAIL;
+ break;
+ }
+ --curwin->w_cursor.lnum;
+#ifdef FEAT_FOLDING
+ /* Move to the start of a closed fold. Don't do that when
+ * 'foldopen' contains "all": it will open in a moment. */
+ if (!(fdo_flags & FDO_ALL))
+ (void)hasFolding(curwin->w_cursor.lnum,
+ &curwin->w_cursor.lnum, NULL);
+#endif
+ linelen = linetabsize(ml_get_curline());
+ if (linelen > width1)
+ curwin->w_curswant += (((linelen - width1 - 1) / width2)
+ + 1) * width2;
+ }
+ }
+ else /* dir == FORWARD */
+ {
+ if (linelen > width1)
+ n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
+ else
+ n = width1;
+ if (curwin->w_curswant + width2 < (colnr_T)n)
+ /* move forward within line */
+ curwin->w_curswant += width2;
+ else
+ {
+ /* to next line */
+#ifdef FEAT_FOLDING
+ /* Move to the end of a closed fold. */
+ (void)hasFolding(curwin->w_cursor.lnum, NULL,
+ &curwin->w_cursor.lnum);
+#endif
+ if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
+ {
+ retval = FAIL;
+ break;
+ }
+ curwin->w_cursor.lnum++;
+ curwin->w_curswant %= width2;
+ linelen = linetabsize(ml_get_curline());
+ }
+ }
+ }
+#ifdef FEAT_VERTSPLIT
+ }
+#endif
+
+ coladvance(curwin->w_curswant);
+
+#if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
+ if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
+ {
+ /*
+ * Check for landing on a character that got split at the end of the
+ * last line. We want to advance a screenline, not end up in the same
+ * screenline or move two screenlines.
+ */
+ validate_virtcol();
+ if (curwin->w_virtcol > curwin->w_curswant
+ && (curwin->w_curswant < (colnr_T)width1
+ ? (curwin->w_curswant > (colnr_T)width1 / 2)
+ : ((curwin->w_curswant - width1) % width2
+ > (colnr_T)width2 / 2)))
+ --curwin->w_cursor.col;
+ }
+#endif
+
+ if (atend)
+ curwin->w_curswant = MAXCOL; /* stick in the last column */
+
+ return retval;
+}
+
+#ifdef FEAT_MOUSE
+/*
+ * Mouse scroll wheel: Default action is to scroll three lines, or one page
+ * when Shift or Ctrl is used.
+ * K_MOUSEUP (cap->arg == 1) or K_MOUSEDOWN (cap->arg == 0) or
+ * K_MOUSELEFT (cap->arg == -1) or K_MOUSERIGHT (cap->arg == -2)
+ */
+ static void
+nv_mousescroll(cap)
+ cmdarg_T *cap;
+{
+# if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
+ win_T *old_curwin = curwin;
+
+ /* Currently we only get the mouse coordinates in the GUI. */
+ if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
+ {
+ int row, col;
+
+ row = mouse_row;
+ col = mouse_col;
+
+ /* find the window at the pointer coordinates */
+ curwin = mouse_find_win(&row, &col);
+ curbuf = curwin->w_buffer;
+ }
+# endif
+
+ if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN)
+ {
+ if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
+ {
+ (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
+ }
+ else
+ {
+ cap->count1 = 3;
+ cap->count0 = 3;
+ nv_scroll_line(cap);
+ }
+ }
+# ifdef FEAT_GUI
+ else
+ {
+ /* Horizontal scroll - only allowed when 'wrap' is disabled */
+ if (!curwin->w_p_wrap)
+ {
+ int val, step = 6;
+
+ if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
+ step = W_WIDTH(curwin);
+ val = curwin->w_leftcol + (cap->arg == MSCR_RIGHT ? -step : +step);
+ if (val < 0)
+ val = 0;
+
+ gui_do_horiz_scroll(val, TRUE);
+ }
+ }
+# endif
+
+# if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
+ curwin->w_redr_status = TRUE;
+
+ curwin = old_curwin;
+ curbuf = curwin->w_buffer;
+# endif
+}
+
+/*
+ * Mouse clicks and drags.
+ */
+ static void
+nv_mouse(cap)
+ cmdarg_T *cap;
+{
+ (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
+}
+#endif
+
+/*
+ * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
+ * cap->arg must be TRUE for CTRL-E.
+ */
+ static void
+nv_scroll_line(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearop(cap->oap))
+ scroll_redraw(cap->arg, cap->count1);
+}
+
+/*
+ * Scroll "count" lines up or down, and redraw.
+ */
+ void
+scroll_redraw(up, count)
+ int up;
+ long count;
+{
+ linenr_T prev_topline = curwin->w_topline;
+#ifdef FEAT_DIFF
+ int prev_topfill = curwin->w_topfill;
+#endif
+ linenr_T prev_lnum = curwin->w_cursor.lnum;
+
+ if (up)
+ scrollup(count, TRUE);
+ else
+ scrolldown(count, TRUE);
+ if (p_so)
+ {
+ /* Adjust the cursor position for 'scrolloff'. Mark w_topline as
+ * valid, otherwise the screen jumps back at the end of the file. */
+ cursor_correct();
+ check_cursor_moved(curwin);
+ curwin->w_valid |= VALID_TOPLINE;
+
+ /* If moved back to where we were, at least move the cursor, otherwise
+ * we get stuck at one position. Don't move the cursor up if the
+ * first line of the buffer is already on the screen */
+ while (curwin->w_topline == prev_topline
+#ifdef FEAT_DIFF
+ && curwin->w_topfill == prev_topfill
+#endif
+ )
+ {
+ if (up)
+ {
+ if (curwin->w_cursor.lnum > prev_lnum
+ || cursor_down(1L, FALSE) == FAIL)
+ break;
+ }
+ else
+ {
+ if (curwin->w_cursor.lnum < prev_lnum
+ || prev_topline == 1L
+ || cursor_up(1L, FALSE) == FAIL)
+ break;
+ }
+ /* Mark w_topline as valid, otherwise the screen jumps back at the
+ * end of the file. */
+ check_cursor_moved(curwin);
+ curwin->w_valid |= VALID_TOPLINE;
+ }
+ }
+ if (curwin->w_cursor.lnum != prev_lnum)
+ coladvance(curwin->w_curswant);
+ redraw_later(VALID);
+}
+
+/*
+ * Commands that start with "z".
+ */
+ static void
+nv_zet(cap)
+ cmdarg_T *cap;
+{
+ long n;
+ colnr_T col;
+ int nchar = cap->nchar;
+#ifdef FEAT_FOLDING
+ long old_fdl = curwin->w_p_fdl;
+ int old_fen = curwin->w_p_fen;
+#endif
+#ifdef FEAT_SPELL
+ int undo = FALSE;
+#endif
+
+ if (VIM_ISDIGIT(nchar))
+ {
+ /*
+ * "z123{nchar}": edit the count before obtaining {nchar}
+ */
+ if (checkclearop(cap->oap))
+ return;
+ n = nchar - '0';
+ for (;;)
+ {
+#ifdef USE_ON_FLY_SCROLL
+ dont_scroll = TRUE; /* disallow scrolling here */
+#endif
+ ++no_mapping;
+ ++allow_keys; /* no mapping for nchar, but allow key codes */
+ nchar = plain_vgetc();
+ LANGMAP_ADJUST(nchar, TRUE);
+ --no_mapping;
+ --allow_keys;
+#ifdef FEAT_CMDL_INFO
+ (void)add_to_showcmd(nchar);
+#endif
+ if (nchar == K_DEL || nchar == K_KDEL)
+ n /= 10;
+ else if (VIM_ISDIGIT(nchar))
+ n = n * 10 + (nchar - '0');
+ else if (nchar == CAR)
+ {
+#ifdef FEAT_GUI
+ need_mouse_correct = TRUE;
+#endif
+ win_setheight((int)n);
+ break;
+ }
+ else if (nchar == 'l'
+ || nchar == 'h'
+ || nchar == K_LEFT
+ || nchar == K_RIGHT)
+ {
+ cap->count1 = n ? n * cap->count1 : cap->count1;
+ goto dozet;
+ }
+ else
+ {
+ clearopbeep(cap->oap);
+ break;
+ }
+ }
+ cap->oap->op_type = OP_NOP;
+ return;
+ }
+
+dozet:
+ if (
+#ifdef FEAT_FOLDING
+ /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
+ * and "zC" only in Visual mode. "zj" and "zk" are motion
+ * commands. */
+ cap->nchar != 'f' && cap->nchar != 'F'
+ && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
+ && cap->nchar != 'j' && cap->nchar != 'k'
+ &&
+#endif
+ checkclearop(cap->oap))
+ return;
+
+ /*
+ * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
+ * If line number given, set cursor.
+ */
+ if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
+ && cap->count0
+ && cap->count0 != curwin->w_cursor.lnum)
+ {
+ setpcmark();
+ if (cap->count0 > curbuf->b_ml.ml_line_count)
+ curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
+ else
+ curwin->w_cursor.lnum = cap->count0;
+ check_cursor_col();
+ }
+
+ switch (nchar)
+ {
+ /* "z+", "z<CR>" and "zt": put cursor at top of screen */
+ case '+':
+ if (cap->count0 == 0)
+ {
+ /* No count given: put cursor at the line below screen */
+ validate_botline(); /* make sure w_botline is valid */
+ if (curwin->w_botline > curbuf->b_ml.ml_line_count)
+ curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
+ else
+ curwin->w_cursor.lnum = curwin->w_botline;
+ }
+ /* FALLTHROUGH */
+ case NL:
+ case CAR:
+ case K_KENTER:
+ beginline(BL_WHITE | BL_FIX);
+ /* FALLTHROUGH */
+
+ case 't': scroll_cursor_top(0, TRUE);
+ redraw_later(VALID);
+ break;
+
+ /* "z." and "zz": put cursor in middle of screen */
+ case '.': beginline(BL_WHITE | BL_FIX);
+ /* FALLTHROUGH */
+
+ case 'z': scroll_cursor_halfway(TRUE);
+ redraw_later(VALID);
+ break;
+
+ /* "z^", "z-" and "zb": put cursor at bottom of screen */
+ case '^': /* Strange Vi behavior: <count>z^ finds line at top of window
+ * when <count> is at bottom of window, and puts that one at
+ * bottom of window. */
+ if (cap->count0 != 0)
+ {
+ scroll_cursor_bot(0, TRUE);
+ curwin->w_cursor.lnum = curwin->w_topline;
+ }
+ else if (curwin->w_topline == 1)
+ curwin->w_cursor.lnum = 1;
+ else
+ curwin->w_cursor.lnum = curwin->w_topline - 1;
+ /* FALLTHROUGH */
+ case '-':
+ beginline(BL_WHITE | BL_FIX);
+ /* FALLTHROUGH */
+
+ case 'b': scroll_cursor_bot(0, TRUE);
+ redraw_later(VALID);
+ break;
+
+ /* "zH" - scroll screen right half-page */
+ case 'H':
+ cap->count1 *= W_WIDTH(curwin) / 2;
+ /* FALLTHROUGH */
+
+ /* "zh" - scroll screen to the right */
+ case 'h':
+ case K_LEFT:
+ if (!curwin->w_p_wrap)
+ {
+ if ((colnr_T)cap->count1 > curwin->w_leftcol)
+ curwin->w_leftcol = 0;
+ else
+ curwin->w_leftcol -= (colnr_T)cap->count1;
+ leftcol_changed();
+ }
+ break;
+
+ /* "zL" - scroll screen left half-page */
+ case 'L': cap->count1 *= W_WIDTH(curwin) / 2;
+ /* FALLTHROUGH */
+
+ /* "zl" - scroll screen to the left */
+ case 'l':
+ case K_RIGHT:
+ if (!curwin->w_p_wrap)
+ {
+ /* scroll the window left */
+ curwin->w_leftcol += (colnr_T)cap->count1;
+ leftcol_changed();
+ }
+ break;
+
+ /* "zs" - scroll screen, cursor at the start */
+ case 's': if (!curwin->w_p_wrap)
+ {
+#ifdef FEAT_FOLDING
+ if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
+ col = 0; /* like the cursor is in col 0 */
+ else
+#endif
+ getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
+ if ((long)col > p_siso)
+ col -= p_siso;
+ else
+ col = 0;
+ if (curwin->w_leftcol != col)
+ {
+ curwin->w_leftcol = col;
+ redraw_later(NOT_VALID);
+ }
+ }
+ break;
+
+ /* "ze" - scroll screen, cursor at the end */
+ case 'e': if (!curwin->w_p_wrap)
+ {
+#ifdef FEAT_FOLDING
+ if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
+ col = 0; /* like the cursor is in col 0 */
+ else
+#endif
+ getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
+ n = W_WIDTH(curwin) - curwin_col_off();
+ if ((long)col + p_siso < n)
+ col = 0;
+ else
+ col = col + p_siso - n + 1;
+ if (curwin->w_leftcol != col)
+ {
+ curwin->w_leftcol = col;
+ redraw_later(NOT_VALID);
+ }
+ }
+ break;
+
+#ifdef FEAT_FOLDING
+ /* "zF": create fold command */
+ /* "zf": create fold operator */
+ case 'F':
+ case 'f': if (foldManualAllowed(TRUE))
+ {
+ cap->nchar = 'f';
+ nv_operator(cap);
+ curwin->w_p_fen = TRUE;
+
+ /* "zF" is like "zfzf" */
+ if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
+ {
+ nv_operator(cap);
+ finish_op = TRUE;
+ }
+ }
+ else
+ clearopbeep(cap->oap);
+ break;
+
+ /* "zd": delete fold at cursor */
+ /* "zD": delete fold at cursor recursively */
+ case 'd':
+ case 'D': if (foldManualAllowed(FALSE))
+ {
+ if (VIsual_active)
+ nv_operator(cap);
+ else
+ deleteFold(curwin->w_cursor.lnum,
+ curwin->w_cursor.lnum, nchar == 'D', FALSE);
+ }
+ break;
+
+ /* "zE": erease all folds */
+ case 'E': if (foldmethodIsManual(curwin))
+ {
+ clearFolding(curwin);
+ changed_window_setting();
+ }
+ else if (foldmethodIsMarker(curwin))
+ deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
+ TRUE, FALSE);
+ else
+ EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
+ break;
+
+ /* "zn": fold none: reset 'foldenable' */
+ case 'n': curwin->w_p_fen = FALSE;
+ break;
+
+ /* "zN": fold Normal: set 'foldenable' */
+ case 'N': curwin->w_p_fen = TRUE;
+ break;
+
+ /* "zi": invert folding: toggle 'foldenable' */
+ case 'i': curwin->w_p_fen = !curwin->w_p_fen;
+ break;
+
+ /* "za": open closed fold or close open fold at cursor */
+ case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
+ openFold(curwin->w_cursor.lnum, cap->count1);
+ else
+ {
+ closeFold(curwin->w_cursor.lnum, cap->count1);
+ curwin->w_p_fen = TRUE;
+ }
+ break;
+
+ /* "zA": open fold at cursor recursively */
+ case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
+ openFoldRecurse(curwin->w_cursor.lnum);
+ else
+ {
+ closeFoldRecurse(curwin->w_cursor.lnum);
+ curwin->w_p_fen = TRUE;
+ }
+ break;
+
+ /* "zo": open fold at cursor or Visual area */
+ case 'o': if (VIsual_active)
+ nv_operator(cap);
+ else
+ openFold(curwin->w_cursor.lnum, cap->count1);
+ break;
+
+ /* "zO": open fold recursively */
+ case 'O': if (VIsual_active)
+ nv_operator(cap);
+ else
+ openFoldRecurse(curwin->w_cursor.lnum);
+ break;
+
+ /* "zc": close fold at cursor or Visual area */
+ case 'c': if (VIsual_active)
+ nv_operator(cap);
+ else
+ closeFold(curwin->w_cursor.lnum, cap->count1);
+ curwin->w_p_fen = TRUE;
+ break;
+
+ /* "zC": close fold recursively */
+ case 'C': if (VIsual_active)
+ nv_operator(cap);
+ else
+ closeFoldRecurse(curwin->w_cursor.lnum);
+ curwin->w_p_fen = TRUE;
+ break;
+
+ /* "zv": open folds at the cursor */
+ case 'v': foldOpenCursor();
+ break;
+
+ /* "zx": re-apply 'foldlevel' and open folds at the cursor */
+ case 'x': curwin->w_p_fen = TRUE;
+ curwin->w_foldinvalid = TRUE; /* recompute folds */
+ newFoldLevel(); /* update right now */
+ foldOpenCursor();
+ break;
+
+ /* "zX": undo manual opens/closes, re-apply 'foldlevel' */
+ case 'X': curwin->w_p_fen = TRUE;
+ curwin->w_foldinvalid = TRUE; /* recompute folds */
+ old_fdl = -1; /* force an update */
+ break;
+
+ /* "zm": fold more */
+ case 'm': if (curwin->w_p_fdl > 0)
+ --curwin->w_p_fdl;
+ old_fdl = -1; /* force an update */
+ curwin->w_p_fen = TRUE;
+ break;
+
+ /* "zM": close all folds */
+ case 'M': curwin->w_p_fdl = 0;
+ old_fdl = -1; /* force an update */
+ curwin->w_p_fen = TRUE;
+ break;
+
+ /* "zr": reduce folding */
+ case 'r': ++curwin->w_p_fdl;
+ break;
+
+ /* "zR": open all folds */
+ case 'R': curwin->w_p_fdl = getDeepestNesting();
+ old_fdl = -1; /* force an update */
+ break;
+
+ case 'j': /* "zj" move to next fold downwards */
+ case 'k': /* "zk" move to next fold upwards */
+ if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
+ cap->count1) == FAIL)
+ clearopbeep(cap->oap);
+ break;
+
+#endif /* FEAT_FOLDING */
+
+#ifdef FEAT_SPELL
+ case 'u': /* "zug" and "zuw": undo "zg" and "zw" */
+ ++no_mapping;
+ ++allow_keys; /* no mapping for nchar, but allow key codes */
+ nchar = plain_vgetc();
+ LANGMAP_ADJUST(nchar, TRUE);
+ --no_mapping;
+ --allow_keys;
+#ifdef FEAT_CMDL_INFO
+ (void)add_to_showcmd(nchar);
+#endif
+ if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
+ {
+ clearopbeep(cap->oap);
+ break;
+ }
+ undo = TRUE;
+ /*FALLTHROUGH*/
+
+ case 'g': /* "zg": add good word to word list */
+ case 'w': /* "zw": add wrong word to word list */
+ case 'G': /* "zG": add good word to temp word list */
+ case 'W': /* "zW": add wrong word to temp word list */
+ {
+ char_u *ptr = NULL;
+ int len;
+
+ if (checkclearop(cap->oap))
+ break;
+# ifdef FEAT_VISUAL
+ if (VIsual_active && get_visual_text(cap, &ptr, &len)
+ == FAIL)
+ return;
+# endif
+ if (ptr == NULL)
+ {
+ pos_T pos = curwin->w_cursor;
+
+ /* Find bad word under the cursor. */
+ len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
+ if (len != 0 && curwin->w_cursor.col <= pos.col)
+ ptr = ml_get_pos(&curwin->w_cursor);
+ curwin->w_cursor = pos;
+ }
+
+ if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
+ FIND_IDENT)) == 0)
+ return;
+ spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
+ (nchar == 'G' || nchar == 'W')
+ ? 0 : (int)cap->count1,
+ undo);
+ }
+ break;
+
+ case '=': /* "z=": suggestions for a badly spelled word */
+ if (!checkclearop(cap->oap))
+ spell_suggest((int)cap->count0);
+ break;
+#endif
+
+ default: clearopbeep(cap->oap);
+ }
+
+#ifdef FEAT_FOLDING
+ /* Redraw when 'foldenable' changed */
+ if (old_fen != curwin->w_p_fen)
+ {
+# ifdef FEAT_DIFF
+ win_T *wp;
+
+ if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
+ {
+ /* Adjust 'foldenable' in diff-synced windows. */
+ FOR_ALL_WINDOWS(wp)
+ {
+ if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
+ {
+ wp->w_p_fen = curwin->w_p_fen;
+ changed_window_setting_win(wp);
+ }
+ }
+ }
+# endif
+ changed_window_setting();
+ }
+
+ /* Redraw when 'foldlevel' changed. */
+ if (old_fdl != curwin->w_p_fdl)
+ newFoldLevel();
+#endif
+}
+
+#ifdef FEAT_GUI
+/*
+ * Vertical scrollbar movement.
+ */
+ static void
+nv_ver_scrollbar(cap)
+ cmdarg_T *cap;
+{
+ if (cap->oap->op_type != OP_NOP)
+ clearopbeep(cap->oap);
+
+ /* Even if an operator was pending, we still want to scroll */
+ gui_do_scroll();
+}
+
+/*
+ * Horizontal scrollbar movement.
+ */
+ static void
+nv_hor_scrollbar(cap)
+ cmdarg_T *cap;
+{
+ if (cap->oap->op_type != OP_NOP)
+ clearopbeep(cap->oap);
+
+ /* Even if an operator was pending, we still want to scroll */
+ gui_do_horiz_scroll(scrollbar_value, FALSE);
+}
+#endif
+
+#if defined(FEAT_GUI_TABLINE) || defined(PROTO)
+/*
+ * Click in GUI tab.
+ */
+ static void
+nv_tabline(cap)
+ cmdarg_T *cap;
+{
+ if (cap->oap->op_type != OP_NOP)
+ clearopbeep(cap->oap);
+
+ /* Even if an operator was pending, we still want to jump tabs. */
+ goto_tabpage(current_tab);
+}
+
+/*
+ * Selected item in tab line menu.
+ */
+ static void
+nv_tabmenu(cap)
+ cmdarg_T *cap;
+{
+ if (cap->oap->op_type != OP_NOP)
+ clearopbeep(cap->oap);
+
+ /* Even if an operator was pending, we still want to jump tabs. */
+ handle_tabmenu();
+}
+
+/*
+ * Handle selecting an item of the GUI tab line menu.
+ * Used in Normal and Insert mode.
+ */
+ void
+handle_tabmenu()
+{
+ switch (current_tabmenu)
+ {
+ case TABLINE_MENU_CLOSE:
+ if (current_tab == 0)
+ do_cmdline_cmd((char_u *)"tabclose");
+ else
+ {
+ vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
+ current_tab);
+ do_cmdline_cmd(IObuff);
+ }
+ break;
+
+ case TABLINE_MENU_NEW:
+ vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
+ current_tab > 0 ? current_tab - 1 : 999);
+ do_cmdline_cmd(IObuff);
+ break;
+
+ case TABLINE_MENU_OPEN:
+ vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
+ current_tab > 0 ? current_tab - 1 : 999);
+ do_cmdline_cmd(IObuff);
+ break;
+ }
+}
+#endif
+
+/*
+ * "Q" command.
+ */
+ static void
+nv_exmode(cap)
+ cmdarg_T *cap;
+{
+ /*
+ * Ignore 'Q' in Visual mode, just give a beep.
+ */
+#ifdef FEAT_VISUAL
+ if (VIsual_active)
+ vim_beep();
+ else
+#endif
+ if (!checkclearop(cap->oap))
+ do_exmode(FALSE);
+}
+
+/*
+ * Handle a ":" command.
+ */
+ static void
+nv_colon(cap)
+ cmdarg_T *cap;
+{
+ int old_p_im;
+
+#ifdef FEAT_VISUAL
+ if (VIsual_active)
+ nv_operator(cap);
+ else
+#endif
+ {
+ if (cap->oap->op_type != OP_NOP)
+ {
+ /* Using ":" as a movement is characterwise exclusive. */
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = FALSE;
+ }
+ else if (cap->count0)
+ {
+ /* translate "count:" into ":.,.+(count - 1)" */
+ stuffcharReadbuff('.');
+ if (cap->count0 > 1)
+ {
+ stuffReadbuff((char_u *)",.+");
+ stuffnumReadbuff((long)cap->count0 - 1L);
+ }
+ }
+
+ /* When typing, don't type below an old message */
+ if (KeyTyped)
+ compute_cmdrow();
+
+ old_p_im = p_im;
+
+ /* get a command line and execute it */
+ do_cmdline(NULL, getexline, NULL,
+ cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
+
+ /* If 'insertmode' changed, enter or exit Insert mode */
+ if (p_im != old_p_im)
+ {
+ if (p_im)
+ restart_edit = 'i';
+ else
+ restart_edit = 0;
+ }
+
+ /* The start of the operator may have become invalid by the Ex
+ * command. */
+ if (cap->oap->op_type != OP_NOP
+ && (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
+ || cap->oap->start.col >
+ (colnr_T)STRLEN(ml_get(cap->oap->start.lnum))))
+ clearopbeep(cap->oap);
+ }
+}
+
+/*
+ * Handle CTRL-G command.
+ */
+ static void
+nv_ctrlg(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_VISUAL
+ if (VIsual_active) /* toggle Selection/Visual mode */
+ {
+ VIsual_select = !VIsual_select;
+ showmode();
+ }
+ else
+#endif
+ if (!checkclearop(cap->oap))
+ /* print full name if count given or :cd used */
+ fileinfo((int)cap->count0, FALSE, TRUE);
+}
+
+/*
+ * Handle CTRL-H <Backspace> command.
+ */
+ static void
+nv_ctrlh(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_VISUAL
+ if (VIsual_active && VIsual_select)
+ {
+ cap->cmdchar = 'x'; /* BS key behaves like 'x' in Select mode */
+ v_visop(cap);
+ }
+ else
+#endif
+ nv_left(cap);
+}
+
+/*
+ * CTRL-L: clear screen and redraw.
+ */
+ static void
+nv_clear(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearop(cap->oap))
+ {
+#if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
+ /*
+ * Right now, the BeBox doesn't seem to have an easy way to detect
+ * window resizing, so we cheat and make the user detect it
+ * manually with CTRL-L instead
+ */
+ ui_get_shellsize();
+#endif
+#ifdef FEAT_SYN_HL
+ /* Clear all syntax states to force resyncing. */
+ syn_stack_free_all(curwin->w_s);
+#endif
+ redraw_later(CLEAR);
+ }
+}
+
+/*
+ * CTRL-O: In Select mode: switch to Visual mode for one command.
+ * Otherwise: Go to older pcmark.
+ */
+ static void
+nv_ctrlo(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_VISUAL
+ if (VIsual_active && VIsual_select)
+ {
+ VIsual_select = FALSE;
+ showmode();
+ restart_VIsual_select = 2; /* restart Select mode later */
+ }
+ else
+#endif
+ {
+ cap->count1 = -cap->count1;
+ nv_pcmark(cap);
+ }
+}
+
+/*
+ * CTRL-^ command, short for ":e #"
+ */
+ static void
+nv_hat(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearopq(cap->oap))
+ (void)buflist_getfile((int)cap->count0, (linenr_T)0,
+ GETF_SETMARK|GETF_ALT, FALSE);
+}
+
+/*
+ * "Z" commands.
+ */
+ static void
+nv_Zet(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearopq(cap->oap))
+ {
+ switch (cap->nchar)
+ {
+ /* "ZZ": equivalent to ":x". */
+ case 'Z': do_cmdline_cmd((char_u *)"x");
+ break;
+
+ /* "ZQ": equivalent to ":q!" (Elvis compatible). */
+ case 'Q': do_cmdline_cmd((char_u *)"q!");
+ break;
+
+ default: clearopbeep(cap->oap);
+ }
+ }
+}
+
+#if defined(FEAT_WINDOWS) || defined(PROTO)
+/*
+ * Call nv_ident() as if "c1" was used, with "c2" as next character.
+ */
+ void
+do_nv_ident(c1, c2)
+ int c1;
+ int c2;
+{
+ oparg_T oa;
+ cmdarg_T ca;
+
+ clear_oparg(&oa);
+ vim_memset(&ca, 0, sizeof(ca));
+ ca.oap = &oa;
+ ca.cmdchar = c1;
+ ca.nchar = c2;
+ nv_ident(&ca);
+}
+#endif
+
+/*
+ * Handle the commands that use the word under the cursor.
+ * [g] CTRL-] :ta to current identifier
+ * [g] 'K' run program for current identifier
+ * [g] '*' / to current identifier or string
+ * [g] '#' ? to current identifier or string
+ * g ']' :tselect for current identifier
+ */
+ static void
+nv_ident(cap)
+ cmdarg_T *cap;
+{
+ char_u *ptr = NULL;
+ char_u *buf;
+ char_u *newbuf;
+ char_u *p;
+ char_u *kp; /* value of 'keywordprg' */
+ int kp_help; /* 'keywordprg' is ":help" */
+ int n = 0; /* init for GCC */
+ int cmdchar;
+ int g_cmd; /* "g" command */
+ int tag_cmd = FALSE;
+ char_u *aux_ptr;
+ int isman;
+ int isman_s;
+
+ if (cap->cmdchar == 'g') /* "g*", "g#", "g]" and "gCTRL-]" */
+ {
+ cmdchar = cap->nchar;
+ g_cmd = TRUE;
+ }
+ else
+ {
+ cmdchar = cap->cmdchar;
+ g_cmd = FALSE;
+ }
+
+ if (cmdchar == POUND) /* the pound sign, '#' for English keyboards */
+ cmdchar = '#';
+
+ /*
+ * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
+ */
+ if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
+ {
+#ifdef FEAT_VISUAL
+ if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
+ return;
+#endif
+ if (checkclearopq(cap->oap))
+ return;
+ }
+
+ if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
+ (cmdchar == '*' || cmdchar == '#')
+ ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
+ {
+ clearop(cap->oap);
+ return;
+ }
+
+ /* Allocate buffer to put the command in. Inserting backslashes can
+ * double the length of the word. p_kp / curbuf->b_p_kp could be added
+ * and some numbers. */
+ kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
+ kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
+ || STRCMP(kp, ":help") == 0);
+ buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
+ if (buf == NULL)
+ return;
+ buf[0] = NUL;
+
+ switch (cmdchar)
+ {
+ case '*':
+ case '#':
+ /*
+ * Put cursor at start of word, makes search skip the word
+ * under the cursor.
+ * Call setpcmark() first, so "*``" puts the cursor back where
+ * it was.
+ */
+ setpcmark();
+ curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
+
+ if (!g_cmd && vim_iswordp(ptr))
+ STRCPY(buf, "\\<");
+ no_smartcase = TRUE; /* don't use 'smartcase' now */
+ break;
+
+ case 'K':
+ if (kp_help)
+ STRCPY(buf, "he! ");
+ else
+ {
+ /* An external command will probably use an argument starting
+ * with "-" as an option. To avoid trouble we skip the "-". */
+ while (*ptr == '-' && n > 0)
+ {
+ ++ptr;
+ --n;
+ }
+ if (n == 0)
+ {
+ EMSG(_(e_noident)); /* found dashes only */
+ vim_free(buf);
+ return;
+ }
+
+ /* When a count is given, turn it into a range. Is this
+ * really what we want? */
+ isman = (STRCMP(kp, "man") == 0);
+ isman_s = (STRCMP(kp, "man -s") == 0);
+ if (cap->count0 != 0 && !(isman || isman_s))
+ sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
+
+ STRCAT(buf, "! ");
+ if (cap->count0 == 0 && isman_s)
+ STRCAT(buf, "man");
+ else
+ STRCAT(buf, kp);
+ STRCAT(buf, " ");
+ if (cap->count0 != 0 && (isman || isman_s))
+ {
+ sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
+ STRCAT(buf, " ");
+ }
+ }
+ break;
+
+ case ']':
+ tag_cmd = TRUE;
+#ifdef FEAT_CSCOPE
+ if (p_cst)
+ STRCPY(buf, "cstag ");
+ else
+#endif
+ STRCPY(buf, "ts ");
+ break;
+
+ default:
+ tag_cmd = TRUE;
+ if (curbuf->b_help)
+ STRCPY(buf, "he! ");
+ else
+ {
+ if (g_cmd)
+ STRCPY(buf, "tj ");
+ else
+ sprintf((char *)buf, "%ldta ", cap->count0);
+ }
+ }
+
+ /*
+ * Now grab the chars in the identifier
+ */
+ if (cmdchar == 'K' && !kp_help)
+ {
+ /* Escape the argument properly for a shell command */
+ ptr = vim_strnsave(ptr, n);
+ p = vim_strsave_shellescape(ptr, TRUE);
+ vim_free(ptr);
+ if (p == NULL)
+ {
+ vim_free(buf);
+ return;
+ }
+ newbuf = (char_u *)vim_realloc(buf, STRLEN(buf) + STRLEN(p) + 1);
+ if (newbuf == NULL)
+ {
+ vim_free(buf);
+ vim_free(p);
+ return;
+ }
+ buf = newbuf;
+ STRCAT(buf, p);
+ vim_free(p);
+ }
+ else
+ {
+ if (cmdchar == '*')
+ aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
+ else if (cmdchar == '#')
+ aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
+ else if (tag_cmd)
+ {
+ if (curbuf->b_help)
+ /* ":help" handles unescaped argument */
+ aux_ptr = (char_u *)"";
+ else
+ aux_ptr = (char_u *)"\\|\"\n[";
+ }
+ else
+ aux_ptr = (char_u *)"\\|\"\n*?[";
+
+ p = buf + STRLEN(buf);
+ while (n-- > 0)
+ {
+ /* put a backslash before \ and some others */
+ if (vim_strchr(aux_ptr, *ptr) != NULL)
+ *p++ = '\\';
+#ifdef FEAT_MBYTE
+ /* When current byte is a part of multibyte character, copy all
+ * bytes of that character. */
+ if (has_mbyte)
+ {
+ int i;
+ int len = (*mb_ptr2len)(ptr) - 1;
+
+ for (i = 0; i < len && n >= 1; ++i, --n)
+ *p++ = *ptr++;
+ }
+#endif
+ *p++ = *ptr++;
+ }
+ *p = NUL;
+ }
+
+ /*
+ * Execute the command.
+ */
+ if (cmdchar == '*' || cmdchar == '#')
+ {
+ if (!g_cmd && (
+#ifdef FEAT_MBYTE
+ has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
+#endif
+ vim_iswordc(ptr[-1])))
+ STRCAT(buf, "\\>");
+#ifdef FEAT_CMDHIST
+ /* put pattern in search history */
+ init_history();
+ add_to_history(HIST_SEARCH, buf, TRUE, NUL);
+#endif
+ normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
+ }
+ else
+ do_cmdline_cmd(buf);
+
+ vim_free(buf);
+}
+
+#if defined(FEAT_VISUAL) || defined(PROTO)
+/*
+ * Get visually selected text, within one line only.
+ * Returns FAIL if more than one line selected.
+ */
+ int
+get_visual_text(cap, pp, lenp)
+ cmdarg_T *cap;
+ char_u **pp; /* return: start of selected text */
+ int *lenp; /* return: length of selected text */
+{
+ if (VIsual_mode != 'V')
+ unadjust_for_sel();
+ if (VIsual.lnum != curwin->w_cursor.lnum)
+ {
+ if (cap != NULL)
+ clearopbeep(cap->oap);
+ return FAIL;
+ }
+ if (VIsual_mode == 'V')
+ {
+ *pp = ml_get_curline();
+ *lenp = (int)STRLEN(*pp);
+ }
+ else
+ {
+ if (lt(curwin->w_cursor, VIsual))
+ {
+ *pp = ml_get_pos(&curwin->w_cursor);
+ *lenp = VIsual.col - curwin->w_cursor.col + 1;
+ }
+ else
+ {
+ *pp = ml_get_pos(&VIsual);
+ *lenp = curwin->w_cursor.col - VIsual.col + 1;
+ }
+#ifdef FEAT_MBYTE
+ if (has_mbyte)
+ /* Correct the length to include the whole last character. */
+ *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
+#endif
+ }
+ reset_VIsual_and_resel();
+ return OK;
+}
+#endif
+
+/*
+ * CTRL-T: backwards in tag stack
+ */
+ static void
+nv_tagpop(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearopq(cap->oap))
+ do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
+}
+
+/*
+ * Handle scrolling command 'H', 'L' and 'M'.
+ */
+ static void
+nv_scroll(cap)
+ cmdarg_T *cap;
+{
+ int used = 0;
+ long n;
+#ifdef FEAT_FOLDING
+ linenr_T lnum;
+#endif
+ int half;
+
+ cap->oap->motion_type = MLINE;
+ setpcmark();
+
+ if (cap->cmdchar == 'L')
+ {
+ validate_botline(); /* make sure curwin->w_botline is valid */
+ curwin->w_cursor.lnum = curwin->w_botline - 1;
+ if (cap->count1 - 1 >= curwin->w_cursor.lnum)
+ curwin->w_cursor.lnum = 1;
+ else
+ {
+#ifdef FEAT_FOLDING
+ if (hasAnyFolding(curwin))
+ {
+ /* Count a fold for one screen line. */
+ for (n = cap->count1 - 1; n > 0
+ && curwin->w_cursor.lnum > curwin->w_topline; --n)
+ {
+ (void)hasFolding(curwin->w_cursor.lnum,
+ &curwin->w_cursor.lnum, NULL);
+ --curwin->w_cursor.lnum;
+ }
+ }
+ else
+#endif
+ curwin->w_cursor.lnum -= cap->count1 - 1;
+ }
+ }
+ else
+ {
+ if (cap->cmdchar == 'M')
+ {
+#ifdef FEAT_DIFF
+ /* Don't count filler lines above the window. */
+ used -= diff_check_fill(curwin, curwin->w_topline)
+ - curwin->w_topfill;
+#endif
+ validate_botline(); /* make sure w_empty_rows is valid */
+ half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
+ for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
+ {
+#ifdef FEAT_DIFF
+ /* Count half he number of filler lines to be "below this
+ * line" and half to be "above the next line". */
+ if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
+ + n) / 2 >= half)
+ {
+ --n;
+ break;
+ }
+#endif
+ used += plines(curwin->w_topline + n);
+ if (used >= half)
+ break;
+#ifdef FEAT_FOLDING
+ if (hasFolding(curwin->w_topline + n, NULL, &lnum))
+ n = lnum - curwin->w_topline;
+#endif
+ }
+ if (n > 0 && used > curwin->w_height)
+ --n;
+ }
+ else /* (cap->cmdchar == 'H') */
+ {
+ n = cap->count1 - 1;
+#ifdef FEAT_FOLDING
+ if (hasAnyFolding(curwin))
+ {
+ /* Count a fold for one screen line. */
+ lnum = curwin->w_topline;
+ while (n-- > 0 && lnum < curwin->w_botline - 1)
+ {
+ hasFolding(lnum, NULL, &lnum);
+ ++lnum;
+ }
+ n = lnum - curwin->w_topline;
+ }
+#endif
+ }
+ curwin->w_cursor.lnum = curwin->w_topline + n;
+ if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
+ curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
+ }
+
+ cursor_correct(); /* correct for 'so' */
+ beginline(BL_SOL | BL_FIX);
+}
+
+/*
+ * Cursor right commands.
+ */
+ static void
+nv_right(cap)
+ cmdarg_T *cap;
+{
+ long n;
+#ifdef FEAT_VISUAL
+ int PAST_LINE;
+#else
+# define PAST_LINE 0
+#endif
+
+ if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
+ {
+ /* <C-Right> and <S-Right> move a word or WORD right */
+ if (mod_mask & MOD_MASK_CTRL)
+ cap->arg = TRUE;
+ nv_wordcmd(cap);
+ return;
+ }
+
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = FALSE;
+#ifdef FEAT_VISUAL
+ PAST_LINE = (VIsual_active && *p_sel != 'o');
+
+# ifdef FEAT_VIRTUALEDIT
+ /*
+ * In virtual mode, there's no such thing as "PAST_LINE", as lines are
+ * (theoretically) infinitely long.
+ */
+ if (virtual_active())
+ PAST_LINE = 0;
+# endif
+#endif
+
+ for (n = cap->count1; n > 0; --n)
+ {
+ if ((!PAST_LINE && oneright() == FAIL)
+#ifdef FEAT_VISUAL
+ || (PAST_LINE && *ml_get_cursor() == NUL)
+#endif
+ )
+ {
+ /*
+ * <Space> wraps to next line if 'whichwrap' has 's'.
+ * 'l' wraps to next line if 'whichwrap' has 'l'.
+ * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
+ */
+ if ( ((cap->cmdchar == ' '
+ && vim_strchr(p_ww, 's') != NULL)
+ || (cap->cmdchar == 'l'
+ && vim_strchr(p_ww, 'l') != NULL)
+ || (cap->cmdchar == K_RIGHT
+ && vim_strchr(p_ww, '>') != NULL))
+ && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
+ {
+ /* When deleting we also count the NL as a character.
+ * Set cap->oap->inclusive when last char in the line is
+ * included, move to next line after that */
+ if ( cap->oap->op_type != OP_NOP
+ && !cap->oap->inclusive
+ && !lineempty(curwin->w_cursor.lnum))
+ cap->oap->inclusive = TRUE;
+ else
+ {
+ ++curwin->w_cursor.lnum;
+ curwin->w_cursor.col = 0;
+#ifdef FEAT_VIRTUALEDIT
+ curwin->w_cursor.coladd = 0;
+#endif
+ curwin->w_set_curswant = TRUE;
+ cap->oap->inclusive = FALSE;
+ }
+ continue;
+ }
+ if (cap->oap->op_type == OP_NOP)
+ {
+ /* Only beep and flush if not moved at all */
+ if (n == cap->count1)
+ beep_flush();
+ }
+ else
+ {
+ if (!lineempty(curwin->w_cursor.lnum))
+ cap->oap->inclusive = TRUE;
+ }
+ break;
+ }
+#ifdef FEAT_VISUAL
+ else if (PAST_LINE)
+ {
+ curwin->w_set_curswant = TRUE;
+# ifdef FEAT_VIRTUALEDIT
+ if (virtual_active())
+ oneright();
+ else
+# endif
+ {
+# ifdef FEAT_MBYTE
+ if (has_mbyte)
+ curwin->w_cursor.col +=
+ (*mb_ptr2len)(ml_get_cursor());
+ else
+# endif
+ ++curwin->w_cursor.col;
+ }
+ }
+#endif
+ }
+#ifdef FEAT_FOLDING
+ if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
+ && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+}
+
+/*
+ * Cursor left commands.
+ *
+ * Returns TRUE when operator end should not be adjusted.
+ */
+ static void
+nv_left(cap)
+ cmdarg_T *cap;
+{
+ long n;
+
+ if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
+ {
+ /* <C-Left> and <S-Left> move a word or WORD left */
+ if (mod_mask & MOD_MASK_CTRL)
+ cap->arg = 1;
+ nv_bck_word(cap);
+ return;
+ }
+
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = FALSE;
+ for (n = cap->count1; n > 0; --n)
+ {
+ if (oneleft() == FAIL)
+ {
+ /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
+ * 'h' wraps to previous line if 'whichwrap' has 'h'.
+ * CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
+ */
+ if ( (((cap->cmdchar == K_BS
+ || cap->cmdchar == Ctrl_H)
+ && vim_strchr(p_ww, 'b') != NULL)
+ || (cap->cmdchar == 'h'
+ && vim_strchr(p_ww, 'h') != NULL)
+ || (cap->cmdchar == K_LEFT
+ && vim_strchr(p_ww, '<') != NULL))
+ && curwin->w_cursor.lnum > 1)
+ {
+ --(curwin->w_cursor.lnum);
+ coladvance((colnr_T)MAXCOL);
+ curwin->w_set_curswant = TRUE;
+
+ /* When the NL before the first char has to be deleted we
+ * put the cursor on the NUL after the previous line.
+ * This is a very special case, be careful!
+ * Don't adjust op_end now, otherwise it won't work. */
+ if ( (cap->oap->op_type == OP_DELETE
+ || cap->oap->op_type == OP_CHANGE)
+ && !lineempty(curwin->w_cursor.lnum))
+ {
+ if (*ml_get_cursor() != NUL)
+ ++curwin->w_cursor.col;
+ cap->retval |= CA_NO_ADJ_OP_END;
+ }
+ continue;
+ }
+ /* Only beep and flush if not moved at all */
+ else if (cap->oap->op_type == OP_NOP && n == cap->count1)
+ beep_flush();
+ break;
+ }
+ }
+#ifdef FEAT_FOLDING
+ if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
+ && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+}
+
+/*
+ * Cursor up commands.
+ * cap->arg is TRUE for "-": Move cursor to first non-blank.
+ */
+ static void
+nv_up(cap)
+ cmdarg_T *cap;
+{
+ if (mod_mask & MOD_MASK_SHIFT)
+ {
+ /* <S-Up> is page up */
+ cap->arg = BACKWARD;
+ nv_page(cap);
+ }
+ else
+ {
+ cap->oap->motion_type = MLINE;
+ if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
+ clearopbeep(cap->oap);
+ else if (cap->arg)
+ beginline(BL_WHITE | BL_FIX);
+ }
+}
+
+/*
+ * Cursor down commands.
+ * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
+ */
+ static void
+nv_down(cap)
+ cmdarg_T *cap;
+{
+ if (mod_mask & MOD_MASK_SHIFT)
+ {
+ /* <S-Down> is page down */
+ cap->arg = FORWARD;
+ nv_page(cap);
+ }
+ else
+#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
+ /* In a quickfix window a <CR> jumps to the error under the cursor. */
+ if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
+ if (curwin->w_llist_ref == NULL)
+ do_cmdline_cmd((char_u *)".cc"); /* quickfix window */
+ else
+ do_cmdline_cmd((char_u *)".ll"); /* location list window */
+ else
+#endif
+ {
+#ifdef FEAT_CMDWIN
+ /* In the cmdline window a <CR> executes the command. */
+ if (cmdwin_type != 0 && cap->cmdchar == CAR)
+ cmdwin_result = CAR;
+ else
+#endif
+ {
+ cap->oap->motion_type = MLINE;
+ if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
+ clearopbeep(cap->oap);
+ else if (cap->arg)
+ beginline(BL_WHITE | BL_FIX);
+ }
+ }
+}
+
+#ifdef FEAT_SEARCHPATH
+/*
+ * Grab the file name under the cursor and edit it.
+ */
+ static void
+nv_gotofile(cap)
+ cmdarg_T *cap;
+{
+ char_u *ptr;
+ linenr_T lnum = -1;
+
+ if (text_locked())
+ {
+ clearopbeep(cap->oap);
+ text_locked_msg();
+ return;
+ }
+#ifdef FEAT_AUTOCMD
+ if (curbuf_locked())
+ {
+ clearop(cap->oap);
+ return;
+ }
+#endif
+
+ ptr = grab_file_name(cap->count1, &lnum);
+
+ if (ptr != NULL)
+ {
+ /* do autowrite if necessary */
+ if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
+ autowrite(curbuf, FALSE);
+ setpcmark();
+ (void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
+ P_HID(curbuf) ? ECMD_HIDE : 0, curwin);
+ if (cap->nchar == 'F' && lnum >= 0)
+ {
+ curwin->w_cursor.lnum = lnum;
+ check_cursor_lnum();
+ beginline(BL_SOL | BL_FIX);
+ }
+ vim_free(ptr);
+ }
+ else
+ clearop(cap->oap);
+}
+#endif
+
+/*
+ * <End> command: to end of current line or last line.
+ */
+ static void
+nv_end(cap)
+ cmdarg_T *cap;
+{
+ if (cap->arg || (mod_mask & MOD_MASK_CTRL)) /* CTRL-END = goto last line */
+ {
+ cap->arg = TRUE;
+ nv_goto(cap);
+ cap->count1 = 1; /* to end of current line */
+ }
+ nv_dollar(cap);
+}
+
+/*
+ * Handle the "$" command.
+ */
+ static void
+nv_dollar(cap)
+ cmdarg_T *cap;
+{
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = TRUE;
+#ifdef FEAT_VIRTUALEDIT
+ /* In virtual mode when off the edge of a line and an operator
+ * is pending (whew!) keep the cursor where it is.
+ * Otherwise, send it to the end of the line. */
+ if (!virtual_active() || gchar_cursor() != NUL
+ || cap->oap->op_type == OP_NOP)
+#endif
+ curwin->w_curswant = MAXCOL; /* so we stay at the end */
+ if (cursor_down((long)(cap->count1 - 1),
+ cap->oap->op_type == OP_NOP) == FAIL)
+ clearopbeep(cap->oap);
+#ifdef FEAT_FOLDING
+ else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+}
+
+/*
+ * Implementation of '?' and '/' commands.
+ * If cap->arg is TRUE don't set PC mark.
+ */
+ static void
+nv_search(cap)
+ cmdarg_T *cap;
+{
+ oparg_T *oap = cap->oap;
+
+ if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
+ {
+ /* Translate "g??" to "g?g?" */
+ cap->cmdchar = 'g';
+ cap->nchar = '?';
+ nv_operator(cap);
+ return;
+ }
+
+ cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
+
+ if (cap->searchbuf == NULL)
+ {
+ clearop(oap);
+ return;
+ }
+
+ normal_search(cap, cap->cmdchar, cap->searchbuf,
+ (cap->arg ? 0 : SEARCH_MARK));
+}
+
+/*
+ * Handle "N" and "n" commands.
+ * cap->arg is SEARCH_REV for "N", 0 for "n".
+ */
+ static void
+nv_next(cap)
+ cmdarg_T *cap;
+{
+ normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
+}
+
+/*
+ * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
+ * Uses only cap->count1 and cap->oap from "cap".
+ */
+ static void
+normal_search(cap, dir, pat, opt)
+ cmdarg_T *cap;
+ int dir;
+ char_u *pat;
+ int opt; /* extra flags for do_search() */
+{
+ int i;
+
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = FALSE;
+ cap->oap->use_reg_one = TRUE;
+ curwin->w_set_curswant = TRUE;
+
+ i = do_search(cap->oap, dir, pat, cap->count1,
+ opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL);
+ if (i == 0)
+ clearop(cap->oap);
+ else
+ {
+ if (i == 2)
+ cap->oap->motion_type = MLINE;
+#ifdef FEAT_VIRTUALEDIT
+ curwin->w_cursor.coladd = 0;
+#endif
+#ifdef FEAT_FOLDING
+ if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
+ foldOpenCursor();
+#endif
+ }
+
+ /* "/$" will put the cursor after the end of the line, may need to
+ * correct that here */
+ check_cursor();
+}
+
+/*
+ * Character search commands.
+ * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
+ * ',' and FALSE for ';'.
+ * cap->nchar is NUL for ',' and ';' (repeat the search)
+ */
+ static void
+nv_csearch(cap)
+ cmdarg_T *cap;
+{
+ int t_cmd;
+
+ if (cap->cmdchar == 't' || cap->cmdchar == 'T')
+ t_cmd = TRUE;
+ else
+ t_cmd = FALSE;
+
+ cap->oap->motion_type = MCHAR;
+ if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
+ clearopbeep(cap->oap);
+ else
+ {
+ curwin->w_set_curswant = TRUE;
+#ifdef FEAT_VIRTUALEDIT
+ /* Include a Tab for "tx" and for "dfx". */
+ if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
+ && (t_cmd || cap->oap->op_type != OP_NOP))
+ {
+ colnr_T scol, ecol;
+
+ getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
+ curwin->w_cursor.coladd = ecol - scol;
+ }
+ else
+ curwin->w_cursor.coladd = 0;
+#endif
+#ifdef FEAT_VISUAL
+ adjust_for_sel(cap);
+#endif
+#ifdef FEAT_FOLDING
+ if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+ }
+}
+
+/*
+ * "[" and "]" commands.
+ * cap->arg is BACKWARD for "[" and FORWARD for "]".
+ */
+ static void
+nv_brackets(cap)
+ cmdarg_T *cap;
+{
+ pos_T new_pos = INIT_POS_T(0, 0, 0);
+ pos_T prev_pos;
+ pos_T *pos = NULL; /* init for GCC */
+ pos_T old_pos; /* cursor position before command */
+ int flag;
+ long n;
+ int findc;
+ int c;
+
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = FALSE;
+ old_pos = curwin->w_cursor;
+#ifdef FEAT_VIRTUALEDIT
+ curwin->w_cursor.coladd = 0; /* TODO: don't do this for an error. */
+#endif
+
+#ifdef FEAT_SEARCHPATH
+ /*
+ * "[f" or "]f" : Edit file under the cursor (same as "gf")
+ */
+ if (cap->nchar == 'f')
+ nv_gotofile(cap);
+ else
+#endif
+
+#ifdef FEAT_FIND_ID
+ /*
+ * Find the occurrence(s) of the identifier or define under cursor
+ * in current and included files or jump to the first occurrence.
+ *
+ * search list jump
+ * fwd bwd fwd bwd fwd bwd
+ * identifier "]i" "[i" "]I" "[I" "]^I" "[^I"
+ * define "]d" "[d" "]D" "[D" "]^D" "[^D"
+ */
+ if (vim_strchr((char_u *)
+#ifdef EBCDIC
+ "iI\005dD\067",
+#else
+ "iI\011dD\004",
+#endif
+ cap->nchar) != NULL)
+ {
+ char_u *ptr;
+ int len;
+
+ if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
+ clearop(cap->oap);
+ else
+ {
+ find_pattern_in_path(ptr, 0, len, TRUE,
+ cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
+ ((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY,
+ cap->count1,
+ isupper(cap->nchar) ? ACTION_SHOW_ALL :
+ islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
+ cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
+ (linenr_T)MAXLNUM);
+ curwin->w_set_curswant = TRUE;
+ }
+ }
+ else
+#endif
+
+ /*
+ * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
+ * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
+ * "[/", "[*", "]/", "]*": go to Nth comment start/end.
+ * "[m" or "]m" search for prev/next start of (Java) method.
+ * "[M" or "]M" search for prev/next end of (Java) method.
+ */
+ if ( (cap->cmdchar == '['
+ && vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
+ || (cap->cmdchar == ']'
+ && vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
+ {
+ if (cap->nchar == '*')
+ cap->nchar = '/';
+ prev_pos.lnum = 0;
+ if (cap->nchar == 'm' || cap->nchar == 'M')
+ {
+ if (cap->cmdchar == '[')
+ findc = '{';
+ else
+ findc = '}';
+ n = 9999;
+ }
+ else
+ {
+ findc = cap->nchar;
+ n = cap->count1;
+ }
+ for ( ; n > 0; --n)
+ {
+ if ((pos = findmatchlimit(cap->oap, findc,
+ (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
+ {
+ if (new_pos.lnum == 0) /* nothing found */
+ {
+ if (cap->nchar != 'm' && cap->nchar != 'M')
+ clearopbeep(cap->oap);
+ }
+ else
+ pos = &new_pos; /* use last one found */
+ break;
+ }
+ prev_pos = new_pos;
+ curwin->w_cursor = *pos;
+ new_pos = *pos;
+ }
+ curwin->w_cursor = old_pos;
+
+ /*
+ * Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only
+ * brought us to the match for "[m" and "]M" when inside a method.
+ * Try finding the '{' or '}' we want to be at.
+ * Also repeat for the given count.
+ */
+ if (cap->nchar == 'm' || cap->nchar == 'M')
+ {
+ /* norm is TRUE for "]M" and "[m" */
+ int norm = ((findc == '{') == (cap->nchar == 'm'));
+
+ n = cap->count1;
+ /* found a match: we were inside a method */
+ if (prev_pos.lnum != 0)
+ {
+ pos = &prev_pos;
+ curwin->w_cursor = prev_pos;
+ if (norm)
+ --n;
+ }
+ else
+ pos = NULL;
+ while (n > 0)
+ {
+ for (;;)
+ {
+ if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
+ {
+ /* if not found anything, that's an error */
+ if (pos == NULL)
+ clearopbeep(cap->oap);
+ n = 0;
+ break;
+ }
+ c = gchar_cursor();
+ if (c == '{' || c == '}')
+ {
+ /* Must have found end/start of class: use it.
+ * Or found the place to be at. */
+ if ((c == findc && norm) || (n == 1 && !norm))
+ {
+ new_pos = curwin->w_cursor;
+ pos = &new_pos;
+ n = 0;
+ }
+ /* if no match found at all, we started outside of the
+ * class and we're inside now. Just go on. */
+ else if (new_pos.lnum == 0)
+ {
+ new_pos = curwin->w_cursor;
+ pos = &new_pos;
+ }
+ /* found start/end of other method: go to match */
+ else if ((pos = findmatchlimit(cap->oap, findc,
+ (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
+ 0)) == NULL)
+ n = 0;
+ else
+ curwin->w_cursor = *pos;
+ break;
+ }
+ }
+ --n;
+ }
+ curwin->w_cursor = old_pos;
+ if (pos == NULL && new_pos.lnum != 0)
+ clearopbeep(cap->oap);
+ }
+ if (pos != NULL)
+ {
+ setpcmark();
+ curwin->w_cursor = *pos;
+ curwin->w_set_curswant = TRUE;
+#ifdef FEAT_FOLDING
+ if ((fdo_flags & FDO_BLOCK) && KeyTyped
+ && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+ }
+ }
+
+ /*
+ * "[[", "[]", "]]" and "][": move to start or end of function
+ */
+ else if (cap->nchar == '[' || cap->nchar == ']')
+ {
+ if (cap->nchar == cap->cmdchar) /* "]]" or "[[" */
+ flag = '{';
+ else
+ flag = '}'; /* "][" or "[]" */
+
+ curwin->w_set_curswant = TRUE;
+ /*
+ * Imitate strange Vi behaviour: When using "]]" with an operator
+ * we also stop at '}'.
+ */
+ if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
+ (cap->oap->op_type != OP_NOP
+ && cap->arg == FORWARD && flag == '{')))
+ clearopbeep(cap->oap);
+ else
+ {
+ if (cap->oap->op_type == OP_NOP)
+ beginline(BL_WHITE | BL_FIX);
+#ifdef FEAT_FOLDING
+ if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+ }
+ }
+
+ /*
+ * "[p", "[P", "]P" and "]p": put with indent adjustment
+ */
+ else if (cap->nchar == 'p' || cap->nchar == 'P')
+ {
+ if (!checkclearop(cap->oap))
+ {
+ prep_redo_cmd(cap);
+ do_put(cap->oap->regname,
+ (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
+ cap->count1, PUT_FIXINDENT);
+ }
+ }
+
+ /*
+ * "['", "[`", "]'" and "]`": jump to next mark
+ */
+ else if (cap->nchar == '\'' || cap->nchar == '`')
+ {
+ pos = &curwin->w_cursor;
+ for (n = cap->count1; n > 0; --n)
+ {
+ prev_pos = *pos;
+ pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
+ cap->nchar == '\'');
+ if (pos == NULL)
+ break;
+ }
+ if (pos == NULL)
+ pos = &prev_pos;
+ nv_cursormark(cap, cap->nchar == '\'', pos);
+ }
+
+#ifdef FEAT_MOUSE
+ /*
+ * [ or ] followed by a middle mouse click: put selected text with
+ * indent adjustment. Any other button just does as usual.
+ */
+ else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE)
+ {
+ (void)do_mouse(cap->oap, cap->nchar,
+ (cap->cmdchar == ']') ? FORWARD : BACKWARD,
+ cap->count1, PUT_FIXINDENT);
+ }
+#endif /* FEAT_MOUSE */
+
+#ifdef FEAT_FOLDING
+ /*
+ * "[z" and "]z": move to start or end of open fold.
+ */
+ else if (cap->nchar == 'z')
+ {
+ if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
+ cap->count1) == FAIL)
+ clearopbeep(cap->oap);
+ }
+#endif
+
+#ifdef FEAT_DIFF
+ /*
+ * "[c" and "]c": move to next or previous diff-change.
+ */
+ else if (cap->nchar == 'c')
+ {
+ if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
+ cap->count1) == FAIL)
+ clearopbeep(cap->oap);
+ }
+#endif
+
+#ifdef FEAT_SPELL
+ /*
+ * "[s", "[S", "]s" and "]S": move to next spell error.
+ */
+ else if (cap->nchar == 's' || cap->nchar == 'S')
+ {
+ setpcmark();
+ for (n = 0; n < cap->count1; ++n)
+ if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
+ cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
+ {
+ clearopbeep(cap->oap);
+ break;
+ }
+# ifdef FEAT_FOLDING
+ if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
+ foldOpenCursor();
+# endif
+ }
+#endif
+
+ /* Not a valid cap->nchar. */
+ else
+ clearopbeep(cap->oap);
+}
+
+/*
+ * Handle Normal mode "%" command.
+ */
+ static void
+nv_percent(cap)
+ cmdarg_T *cap;
+{
+ pos_T *pos;
+#if defined(FEAT_FOLDING)
+ linenr_T lnum = curwin->w_cursor.lnum;
+#endif
+
+ cap->oap->inclusive = TRUE;
+ if (cap->count0) /* {cnt}% : goto {cnt} percentage in file */
+ {
+ if (cap->count0 > 100)
+ clearopbeep(cap->oap);
+ else
+ {
+ cap->oap->motion_type = MLINE;
+ setpcmark();
+ /* Round up, so CTRL-G will give same value. Watch out for a
+ * large line count, the line number must not go negative! */
+ if (curbuf->b_ml.ml_line_count > 1000000)
+ curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
+ / 100L * cap->count0;
+ else
+ curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
+ cap->count0 + 99L) / 100L;
+ if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
+ curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
+ beginline(BL_SOL | BL_FIX);
+ }
+ }
+ else /* "%" : go to matching paren */
+ {
+ cap->oap->motion_type = MCHAR;
+ cap->oap->use_reg_one = TRUE;
+ if ((pos = findmatch(cap->oap, NUL)) == NULL)
+ clearopbeep(cap->oap);
+ else
+ {
+ setpcmark();
+ curwin->w_cursor = *pos;
+ curwin->w_set_curswant = TRUE;
+#ifdef FEAT_VIRTUALEDIT
+ curwin->w_cursor.coladd = 0;
+#endif
+#ifdef FEAT_VISUAL
+ adjust_for_sel(cap);
+#endif
+ }
+ }
+#ifdef FEAT_FOLDING
+ if (cap->oap->op_type == OP_NOP
+ && lnum != curwin->w_cursor.lnum
+ && (fdo_flags & FDO_PERCENT)
+ && KeyTyped)
+ foldOpenCursor();
+#endif
+}
+
+/*
+ * Handle "(" and ")" commands.
+ * cap->arg is BACKWARD for "(" and FORWARD for ")".
+ */
+ static void
+nv_brace(cap)
+ cmdarg_T *cap;
+{
+ cap->oap->motion_type = MCHAR;
+ cap->oap->use_reg_one = TRUE;
+ /* The motion used to be inclusive for "(", but that is not what Vi does. */
+ cap->oap->inclusive = FALSE;
+ curwin->w_set_curswant = TRUE;
+
+ if (findsent(cap->arg, cap->count1) == FAIL)
+ clearopbeep(cap->oap);
+ else
+ {
+ /* Don't leave the cursor on the NUL past end of line. */
+ adjust_cursor(cap->oap);
+#ifdef FEAT_VIRTUALEDIT
+ curwin->w_cursor.coladd = 0;
+#endif
+#ifdef FEAT_FOLDING
+ if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+ }
+}
+
+/*
+ * "m" command: Mark a position.
+ */
+ static void
+nv_mark(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearop(cap->oap))
+ {
+ if (setmark(cap->nchar) == FAIL)
+ clearopbeep(cap->oap);
+ }
+}
+
+/*
+ * "{" and "}" commands.
+ * cmd->arg is BACKWARD for "{" and FORWARD for "}".
+ */
+ static void
+nv_findpar(cap)
+ cmdarg_T *cap;
+{
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = FALSE;
+ cap->oap->use_reg_one = TRUE;
+ curwin->w_set_curswant = TRUE;
+ if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
+ clearopbeep(cap->oap);
+ else
+ {
+#ifdef FEAT_VIRTUALEDIT
+ curwin->w_cursor.coladd = 0;
+#endif
+#ifdef FEAT_FOLDING
+ if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+ }
+}
+
+/*
+ * "u" command: Undo or make lower case.
+ */
+ static void
+nv_undo(cap)
+ cmdarg_T *cap;
+{
+ if (cap->oap->op_type == OP_LOWER
+#ifdef FEAT_VISUAL
+ || VIsual_active
+#endif
+ )
+ {
+ /* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
+ cap->cmdchar = 'g';
+ cap->nchar = 'u';
+ nv_operator(cap);
+ }
+ else
+ nv_kundo(cap);
+}
+
+/*
+ * <Undo> command.
+ */
+ static void
+nv_kundo(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearopq(cap->oap))
+ {
+ u_undo((int)cap->count1);
+ curwin->w_set_curswant = TRUE;
+ }
+}
+
+/*
+ * Handle the "r" command.
+ */
+ static void
+nv_replace(cap)
+ cmdarg_T *cap;
+{
+ char_u *ptr;
+ int had_ctrl_v;
+ long n;
+
+ if (checkclearop(cap->oap))
+ return;
+
+ /* get another character */
+ if (cap->nchar == Ctrl_V)
+ {
+ had_ctrl_v = Ctrl_V;
+ cap->nchar = get_literal();
+ /* Don't redo a multibyte character with CTRL-V. */
+ if (cap->nchar > DEL)
+ had_ctrl_v = NUL;
+ }
+ else
+ had_ctrl_v = NUL;
+
+ /* Abort if the character is a special key. */
+ if (IS_SPECIAL(cap->nchar))
+ {
+ clearopbeep(cap->oap);
+ return;
+ }
+
+#ifdef FEAT_VISUAL
+ /* Visual mode "r" */
+ if (VIsual_active)
+ {
+ if (got_int)
+ reset_VIsual();
+ nv_operator(cap);
+ return;
+ }
+#endif
+
+#ifdef FEAT_VIRTUALEDIT
+ /* Break tabs, etc. */
+ if (virtual_active())
+ {
+ if (u_save_cursor() == FAIL)
+ return;
+ if (gchar_cursor() == NUL)
+ {
+ /* Add extra space and put the cursor on the first one. */
+ coladvance_force((colnr_T)(getviscol() + cap->count1));
+ curwin->w_cursor.col -= cap->count1;
+ }
+ else if (gchar_cursor() == TAB)
+ coladvance_force(getviscol());
+ }
+#endif
+
+ /* Abort if not enough characters to replace. */
+ ptr = ml_get_cursor();
+ if (STRLEN(ptr) < (unsigned)cap->count1
+#ifdef FEAT_MBYTE
+ || (has_mbyte && mb_charlen(ptr) < cap->count1)
+#endif
+ )
+ {
+ clearopbeep(cap->oap);
+ return;
+ }
+
+ /*
+ * Replacing with a TAB is done by edit() when it is complicated because
+ * 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB.
+ * Other characters are done below to avoid problems with things like
+ * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
+ */
+ if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
+ {
+ stuffnumReadbuff(cap->count1);
+ stuffcharReadbuff('R');
+ stuffcharReadbuff('\t');
+ stuffcharReadbuff(ESC);
+ return;
+ }
+
+ /* save line for undo */
+ if (u_save_cursor() == FAIL)
+ return;
+
+ if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
+ {
+ /*
+ * Replace character(s) by a single newline.
+ * Strange vi behaviour: Only one newline is inserted.
+ * Delete the characters here.
+ * Insert the newline with an insert command, takes care of
+ * autoindent. The insert command depends on being on the last
+ * character of a line or not.
+ */
+#ifdef FEAT_MBYTE
+ (void)del_chars(cap->count1, FALSE); /* delete the characters */
+#else
+ (void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
+#endif
+ stuffcharReadbuff('\r');
+ stuffcharReadbuff(ESC);
+
+ /* Give 'r' to edit(), to get the redo command right. */
+ invoke_edit(cap, TRUE, 'r', FALSE);
+ }
+ else
+ {
+ prep_redo(cap->oap->regname, cap->count1,
+ NUL, 'r', NUL, had_ctrl_v, cap->nchar);
+
+ curbuf->b_op_start = curwin->w_cursor;
+#ifdef FEAT_MBYTE
+ if (has_mbyte)
+ {
+ int old_State = State;
+
+ if (cap->ncharC1 != 0)
+ AppendCharToRedobuff(cap->ncharC1);
+ if (cap->ncharC2 != 0)
+ AppendCharToRedobuff(cap->ncharC2);
+
+ /* This is slow, but it handles replacing a single-byte with a
+ * multi-byte and the other way around. Also handles adding
+ * composing characters for utf-8. */
+ for (n = cap->count1; n > 0; --n)
+ {
+ State = REPLACE;
+ ins_char(cap->nchar);
+ State = old_State;
+ if (cap->ncharC1 != 0)
+ ins_char(cap->ncharC1);
+ if (cap->ncharC2 != 0)
+ ins_char(cap->ncharC2);
+ }
+ }
+ else
+#endif
+ {
+ /*
+ * Replace the characters within one line.
+ */
+ for (n = cap->count1; n > 0; --n)
+ {
+ /*
+ * Get ptr again, because u_save and/or showmatch() will have
+ * released the line. At the same time we let know that the
+ * line will be changed.
+ */
+ ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
+ ptr[curwin->w_cursor.col] = cap->nchar;
+ if (p_sm && msg_silent == 0)
+ showmatch(cap->nchar);
+ ++curwin->w_cursor.col;
+ }
+#ifdef FEAT_NETBEANS_INTG
+ if (netbeans_active())
+ {
+ colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1);
+
+ netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
+ (long)cap->count1);
+ netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
+ &ptr[start], (int)cap->count1);
+ }
+#endif
+
+ /* mark the buffer as changed and prepare for displaying */
+ changed_bytes(curwin->w_cursor.lnum,
+ (colnr_T)(curwin->w_cursor.col - cap->count1));
+ }
+ --curwin->w_cursor.col; /* cursor on the last replaced char */
+#ifdef FEAT_MBYTE
+ /* if the character on the left of the current cursor is a multi-byte
+ * character, move two characters left */
+ if (has_mbyte)
+ mb_adjust_cursor();
+#endif
+ curbuf->b_op_end = curwin->w_cursor;
+ curwin->w_set_curswant = TRUE;
+ set_last_insert(cap->nchar);
+ }
+}
+
+#ifdef FEAT_VISUAL
+/*
+ * 'o': Exchange start and end of Visual area.
+ * 'O': same, but in block mode exchange left and right corners.
+ */
+ static void
+v_swap_corners(cmdchar)
+ int cmdchar;
+{
+ pos_T old_cursor;
+ colnr_T left, right;
+
+ if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
+ {
+ old_cursor = curwin->w_cursor;
+ getvcols(curwin, &old_cursor, &VIsual, &left, &right);
+ curwin->w_cursor.lnum = VIsual.lnum;
+ coladvance(left);
+ VIsual = curwin->w_cursor;
+
+ curwin->w_cursor.lnum = old_cursor.lnum;
+ curwin->w_curswant = right;
+ /* 'selection "exclusive" and cursor at right-bottom corner: move it
+ * right one column */
+ if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
+ ++curwin->w_curswant;
+ coladvance(curwin->w_curswant);
+ if (curwin->w_cursor.col == old_cursor.col
+#ifdef FEAT_VIRTUALEDIT
+ && (!virtual_active()
+ || curwin->w_cursor.coladd == old_cursor.coladd)
+#endif
+ )
+ {
+ curwin->w_cursor.lnum = VIsual.lnum;
+ if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
+ ++right;
+ coladvance(right);
+ VIsual = curwin->w_cursor;
+
+ curwin->w_cursor.lnum = old_cursor.lnum;
+ coladvance(left);
+ curwin->w_curswant = left;
+ }
+ }
+ else
+ {
+ old_cursor = curwin->w_cursor;
+ curwin->w_cursor = VIsual;
+ VIsual = old_cursor;
+ curwin->w_set_curswant = TRUE;
+ }
+}
+#endif /* FEAT_VISUAL */
+
+/*
+ * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
+ */
+ static void
+nv_Replace(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_VISUAL
+ if (VIsual_active) /* "R" is replace lines */
+ {
+ cap->cmdchar = 'c';
+ cap->nchar = NUL;
+ VIsual_mode = 'V';
+ nv_operator(cap);
+ }
+ else
+#endif
+ if (!checkclearopq(cap->oap))
+ {
+ if (!curbuf->b_p_ma)
+ EMSG(_(e_modifiable));
+ else
+ {
+#ifdef FEAT_VIRTUALEDIT
+ if (virtual_active())
+ coladvance(getviscol());
+#endif
+ invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
+ }
+ }
+}
+
+#ifdef FEAT_VREPLACE
+/*
+ * "gr".
+ */
+ static void
+nv_vreplace(cap)
+ cmdarg_T *cap;
+{
+# ifdef FEAT_VISUAL
+ if (VIsual_active)
+ {
+ cap->cmdchar = 'r';
+ cap->nchar = cap->extra_char;
+ nv_replace(cap); /* Do same as "r" in Visual mode for now */
+ }
+ else
+# endif
+ if (!checkclearopq(cap->oap))
+ {
+ if (!curbuf->b_p_ma)
+ EMSG(_(e_modifiable));
+ else
+ {
+ if (cap->extra_char == Ctrl_V) /* get another character */
+ cap->extra_char = get_literal();
+ stuffcharReadbuff(cap->extra_char);
+ stuffcharReadbuff(ESC);
+# ifdef FEAT_VIRTUALEDIT
+ if (virtual_active())
+ coladvance(getviscol());
+# endif
+ invoke_edit(cap, TRUE, 'v', FALSE);
+ }
+ }
+}
+#endif
+
+/*
+ * Swap case for "~" command, when it does not work like an operator.
+ */
+ static void
+n_swapchar(cap)
+ cmdarg_T *cap;
+{
+ long n;
+ pos_T startpos;
+ int did_change = 0;
+#ifdef FEAT_NETBEANS_INTG
+ pos_T pos;
+ char_u *ptr;
+ int count;
+#endif
+
+ if (checkclearopq(cap->oap))
+ return;
+
+ if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
+ {
+ clearopbeep(cap->oap);
+ return;
+ }
+
+ prep_redo_cmd(cap);
+
+ if (u_save_cursor() == FAIL)
+ return;
+
+ startpos = curwin->w_cursor;
+#ifdef FEAT_NETBEANS_INTG
+ pos = startpos;
+#endif
+ for (n = cap->count1; n > 0; --n)
+ {
+ did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
+ inc_cursor();
+ if (gchar_cursor() == NUL)
+ {
+ if (vim_strchr(p_ww, '~') != NULL
+ && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
+ {
+#ifdef FEAT_NETBEANS_INTG
+ if (netbeans_active())
+ {
+ if (did_change)
+ {
+ ptr = ml_get(pos.lnum);
+ count = (int)STRLEN(ptr) - pos.col;
+ netbeans_removed(curbuf, pos.lnum, pos.col,
+ (long)count);
+ netbeans_inserted(curbuf, pos.lnum, pos.col,
+ &ptr[pos.col], count);
+ }
+ pos.col = 0;
+ pos.lnum++;
+ }
+#endif
+ ++curwin->w_cursor.lnum;
+ curwin->w_cursor.col = 0;
+ if (n > 1)
+ {
+ if (u_savesub(curwin->w_cursor.lnum) == FAIL)
+ break;
+ u_clearline();
+ }
+ }
+ else
+ break;
+ }
+ }
+#ifdef FEAT_NETBEANS_INTG
+ if (did_change && netbeans_active())
+ {
+ ptr = ml_get(pos.lnum);
+ count = curwin->w_cursor.col - pos.col;
+ netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
+ netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
+ }
+#endif
+
+
+ check_cursor();
+ curwin->w_set_curswant = TRUE;
+ if (did_change)
+ {
+ changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
+ 0L);
+ curbuf->b_op_start = startpos;
+ curbuf->b_op_end = curwin->w_cursor;
+ if (curbuf->b_op_end.col > 0)
+ --curbuf->b_op_end.col;
+ }
+}
+
+/*
+ * Move cursor to mark.
+ */
+ static void
+nv_cursormark(cap, flag, pos)
+ cmdarg_T *cap;
+ int flag;
+ pos_T *pos;
+{
+ if (check_mark(pos) == FAIL)
+ clearop(cap->oap);
+ else
+ {
+ if (cap->cmdchar == '\''
+ || cap->cmdchar == '`'
+ || cap->cmdchar == '['
+ || cap->cmdchar == ']')
+ setpcmark();
+ curwin->w_cursor = *pos;
+ if (flag)
+ beginline(BL_WHITE | BL_FIX);
+ else
+ check_cursor();
+ }
+ cap->oap->motion_type = flag ? MLINE : MCHAR;
+ if (cap->cmdchar == '`')
+ cap->oap->use_reg_one = TRUE;
+ cap->oap->inclusive = FALSE; /* ignored if not MCHAR */
+ curwin->w_set_curswant = TRUE;
+}
+
+#ifdef FEAT_VISUAL
+/*
+ * Handle commands that are operators in Visual mode.
+ */
+ static void
+v_visop(cap)
+ cmdarg_T *cap;
+{
+ static char_u trans[] = "YyDdCcxdXdAAIIrr";
+
+ /* Uppercase means linewise, except in block mode, then "D" deletes till
+ * the end of the line, and "C" replaces til EOL */
+ if (isupper(cap->cmdchar))
+ {
+ if (VIsual_mode != Ctrl_V)
+ VIsual_mode = 'V';
+ else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
+ curwin->w_curswant = MAXCOL;
+ }
+ cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
+ nv_operator(cap);
+}
+#endif
+
+/*
+ * "s" and "S" commands.
+ */
+ static void
+nv_subst(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_VISUAL
+ if (VIsual_active) /* "vs" and "vS" are the same as "vc" */
+ {
+ if (cap->cmdchar == 'S')
+ VIsual_mode = 'V';
+ cap->cmdchar = 'c';
+ nv_operator(cap);
+ }
+ else
+#endif
+ nv_optrans(cap);
+}
+
+/*
+ * Abbreviated commands.
+ */
+ static void
+nv_abbrev(cap)
+ cmdarg_T *cap;
+{
+ if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
+ cap->cmdchar = 'x'; /* DEL key behaves like 'x' */
+
+#ifdef FEAT_VISUAL
+ /* in Visual mode these commands are operators */
+ if (VIsual_active)
+ v_visop(cap);
+ else
+#endif
+ nv_optrans(cap);
+}
+
+/*
+ * Translate a command into another command.
+ */
+ static void
+nv_optrans(cap)
+ cmdarg_T *cap;
+{
+ static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
+ (char_u *)"d$", (char_u *)"c$",
+ (char_u *)"cl", (char_u *)"cc",
+ (char_u *)"yy", (char_u *)":s\r"};
+ static char_u *str = (char_u *)"xXDCsSY&";
+
+ if (!checkclearopq(cap->oap))
+ {
+ /* In Vi "2D" doesn't delete the next line. Can't translate it
+ * either, because "2." should also not use the count. */
+ if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
+ {
+ cap->oap->start = curwin->w_cursor;
+ cap->oap->op_type = OP_DELETE;
+#ifdef FEAT_EVAL
+ set_op_var(OP_DELETE);
+#endif
+ cap->count1 = 1;
+ nv_dollar(cap);
+ finish_op = TRUE;
+ ResetRedobuff();
+ AppendCharToRedobuff('D');
+ }
+ else
+ {
+ if (cap->count0)
+ stuffnumReadbuff(cap->count0);
+ stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
+ }
+ }
+ cap->opcount = 0;
+}
+
+/*
+ * "'" and "`" commands. Also for "g'" and "g`".
+ * cap->arg is TRUE for "'" and "g'".
+ */
+ static void
+nv_gomark(cap)
+ cmdarg_T *cap;
+{
+ pos_T *pos;
+ int c;
+#ifdef FEAT_FOLDING
+ linenr_T lnum = curwin->w_cursor.lnum;
+ int old_KeyTyped = KeyTyped; /* getting file may reset it */
+#endif
+
+ if (cap->cmdchar == 'g')
+ c = cap->extra_char;
+ else
+ c = cap->nchar;
+ pos = getmark(c, (cap->oap->op_type == OP_NOP));
+ if (pos == (pos_T *)-1) /* jumped to other file */
+ {
+ if (cap->arg)
+ {
+ check_cursor_lnum();
+ beginline(BL_WHITE | BL_FIX);
+ }
+ else
+ check_cursor();
+ }
+ else
+ nv_cursormark(cap, cap->arg, pos);
+
+#ifdef FEAT_VIRTUALEDIT
+ /* May need to clear the coladd that a mark includes. */
+ if (!virtual_active())
+ curwin->w_cursor.coladd = 0;
+#endif
+#ifdef FEAT_FOLDING
+ if (cap->oap->op_type == OP_NOP
+ && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
+ && (fdo_flags & FDO_MARK)
+ && old_KeyTyped)
+ foldOpenCursor();
+#endif
+}
+
+/*
+ * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
+ */
+ static void
+nv_pcmark(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_JUMPLIST
+ pos_T *pos;
+# ifdef FEAT_FOLDING
+ linenr_T lnum = curwin->w_cursor.lnum;
+ int old_KeyTyped = KeyTyped; /* getting file may reset it */
+# endif
+
+ if (!checkclearopq(cap->oap))
+ {
+ if (cap->cmdchar == 'g')
+ pos = movechangelist((int)cap->count1);
+ else
+ pos = movemark((int)cap->count1);
+ if (pos == (pos_T *)-1) /* jump to other file */
+ {
+ curwin->w_set_curswant = TRUE;
+ check_cursor();
+ }
+ else if (pos != NULL) /* can jump */
+ nv_cursormark(cap, FALSE, pos);
+ else if (cap->cmdchar == 'g')
+ {
+ if (curbuf->b_changelistlen == 0)
+ EMSG(_("E664: changelist is empty"));
+ else if (cap->count1 < 0)
+ EMSG(_("E662: At start of changelist"));
+ else
+ EMSG(_("E663: At end of changelist"));
+ }
+ else
+ clearopbeep(cap->oap);
+# ifdef FEAT_FOLDING
+ if (cap->oap->op_type == OP_NOP
+ && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
+ && (fdo_flags & FDO_MARK)
+ && old_KeyTyped)
+ foldOpenCursor();
+# endif
+ }
+#else
+ clearopbeep(cap->oap);
+#endif
+}
+
+/*
+ * Handle '"' command.
+ */
+ static void
+nv_regname(cap)
+ cmdarg_T *cap;
+{
+ if (checkclearop(cap->oap))
+ return;
+#ifdef FEAT_EVAL
+ if (cap->nchar == '=')
+ cap->nchar = get_expr_register();
+#endif
+ if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
+ {
+ cap->oap->regname = cap->nchar;
+ cap->opcount = cap->count0; /* remember count before '"' */
+#ifdef FEAT_EVAL
+ set_reg_var(cap->oap->regname);
+#endif
+ }
+ else
+ clearopbeep(cap->oap);
+}
+
+#ifdef FEAT_VISUAL
+/*
+ * Handle "v", "V" and "CTRL-V" commands.
+ * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
+ * is TRUE.
+ * Handle CTRL-Q just like CTRL-V.
+ */
+ static void
+nv_visual(cap)
+ cmdarg_T *cap;
+{
+ if (cap->cmdchar == Ctrl_Q)
+ cap->cmdchar = Ctrl_V;
+
+ /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
+ * characterwise, linewise, or blockwise. */
+ if (cap->oap->op_type != OP_NOP)
+ {
+ cap->oap->motion_force = cap->cmdchar;
+ finish_op = FALSE; /* operator doesn't finish now but later */
+ return;
+ }
+
+ VIsual_select = cap->arg;
+ if (VIsual_active) /* change Visual mode */
+ {
+ if (VIsual_mode == cap->cmdchar) /* stop visual mode */
+ end_visual_mode();
+ else /* toggle char/block mode */
+ { /* or char/line mode */
+ VIsual_mode = cap->cmdchar;
+ showmode();
+ }
+ redraw_curbuf_later(INVERTED); /* update the inversion */
+ }
+ else /* start Visual mode */
+ {
+ check_visual_highlight();
+ if (cap->count0) /* use previously selected part */
+ {
+ if (resel_VIsual_mode == NUL) /* there is none */
+ {
+ beep_flush();
+ return;
+ }
+ VIsual = curwin->w_cursor;
+
+ VIsual_active = TRUE;
+ VIsual_reselect = TRUE;
+ if (!cap->arg)
+ /* start Select mode when 'selectmode' contains "cmd" */
+ may_start_select('c');
+#ifdef FEAT_MOUSE
+ setmouse();
+#endif
+ if (p_smd && msg_silent == 0)
+ redraw_cmdline = TRUE; /* show visual mode later */
+ /*
+ * For V and ^V, we multiply the number of lines even if there
+ * was only one -- webb
+ */
+ if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
+ {
+ curwin->w_cursor.lnum +=
+ resel_VIsual_line_count * cap->count0 - 1;
+ if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
+ curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
+ }
+ VIsual_mode = resel_VIsual_mode;
+ if (VIsual_mode == 'v')
+ {
+ if (resel_VIsual_line_count <= 1)
+ {
+ validate_virtcol();
+ curwin->w_curswant = curwin->w_virtcol
+ + resel_VIsual_vcol * cap->count0 - 1;
+ }
+ else
+ curwin->w_curswant = resel_VIsual_vcol;
+ coladvance(curwin->w_curswant);
+ }
+ if (resel_VIsual_vcol == MAXCOL)
+ {
+ curwin->w_curswant = MAXCOL;
+ coladvance((colnr_T)MAXCOL);
+ }
+ else if (VIsual_mode == Ctrl_V)
+ {
+ validate_virtcol();
+ curwin->w_curswant = curwin->w_virtcol
+ + resel_VIsual_vcol * cap->count0 - 1;
+ coladvance(curwin->w_curswant);
+ }
+ else
+ curwin->w_set_curswant = TRUE;
+ redraw_curbuf_later(INVERTED); /* show the inversion */
+ }
+ else
+ {
+ if (!cap->arg)
+ /* start Select mode when 'selectmode' contains "cmd" */
+ may_start_select('c');
+ n_start_visual_mode(cap->cmdchar);
+ }
+ }
+}
+
+/*
+ * Start selection for Shift-movement keys.
+ */
+ void
+start_selection()
+{
+ /* if 'selectmode' contains "key", start Select mode */
+ may_start_select('k');
+ n_start_visual_mode('v');
+}
+
+/*
+ * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
+ */
+ void
+may_start_select(c)
+ int c;
+{
+ VIsual_select = (stuff_empty() && typebuf_typed()
+ && (vim_strchr(p_slm, c) != NULL));
+}
+
+/*
+ * Start Visual mode "c".
+ * Should set VIsual_select before calling this.
+ */
+ static void
+n_start_visual_mode(c)
+ int c;
+{
+#ifdef FEAT_CONCEAL
+ /* Check for redraw before changing the state. */
+ conceal_check_cursur_line();
+#endif
+
+ VIsual_mode = c;
+ VIsual_active = TRUE;
+ VIsual_reselect = TRUE;
+#ifdef FEAT_VIRTUALEDIT
+ /* Corner case: the 0 position in a tab may change when going into
+ * virtualedit. Recalculate curwin->w_cursor to avoid bad hilighting.
+ */
+ if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
+ coladvance(curwin->w_virtcol);
+#endif
+ VIsual = curwin->w_cursor;
+
+#ifdef FEAT_FOLDING
+ foldAdjustVisual();
+#endif
+
+#ifdef FEAT_MOUSE
+ setmouse();
+#endif
+#ifdef FEAT_CONCEAL
+ /* Check for redraw after changing the state. */
+ conceal_check_cursur_line();
+#endif
+
+ if (p_smd && msg_silent == 0)
+ redraw_cmdline = TRUE; /* show visual mode later */
+#ifdef FEAT_CLIPBOARD
+ /* Make sure the clipboard gets updated. Needed because start and
+ * end may still be the same, and the selection needs to be owned */
+ clip_star.vmode = NUL;
+#endif
+
+ /* Only need to redraw this line, unless still need to redraw an old
+ * Visual area (when 'lazyredraw' is set). */
+ if (curwin->w_redr_type < INVERTED)
+ {
+ curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
+ curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
+ }
+}
+
+#endif /* FEAT_VISUAL */
+
+/*
+ * CTRL-W: Window commands
+ */
+ static void
+nv_window(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_WINDOWS
+ if (!checkclearop(cap->oap))
+ do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
+#else
+ (void)checkclearop(cap->oap);
+#endif
+}
+
+/*
+ * CTRL-Z: Suspend
+ */
+ static void
+nv_suspend(cap)
+ cmdarg_T *cap;
+{
+ clearop(cap->oap);
+#ifdef FEAT_VISUAL
+ if (VIsual_active)
+ end_visual_mode(); /* stop Visual mode */
+#endif
+ do_cmdline_cmd((char_u *)"st");
+}
+
+/*
+ * Commands starting with "g".
+ */
+ static void
+nv_g_cmd(cap)
+ cmdarg_T *cap;
+{
+ oparg_T *oap = cap->oap;
+#ifdef FEAT_VISUAL
+ pos_T tpos;
+#endif
+ int i;
+ int flag = FALSE;
+
+ switch (cap->nchar)
+ {
+#ifdef MEM_PROFILE
+ /*
+ * "g^A": dump log of used memory.
+ */
+ case Ctrl_A:
+ vim_mem_profile_dump();
+ break;
+#endif
+
+#ifdef FEAT_VREPLACE
+ /*
+ * "gR": Enter virtual replace mode.
+ */
+ case 'R':
+ cap->arg = TRUE;
+ nv_Replace(cap);
+ break;
+
+ case 'r':
+ nv_vreplace(cap);
+ break;
+#endif
+
+ case '&':
+ do_cmdline_cmd((char_u *)"%s//~/&");
+ break;
+
+#ifdef FEAT_VISUAL
+ /*
+ * "gv": Reselect the previous Visual area. If Visual already active,
+ * exchange previous and current Visual area.
+ */
+ case 'v':
+ if (checkclearop(oap))
+ break;
+
+ if ( curbuf->b_visual.vi_start.lnum == 0
+ || curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
+ || curbuf->b_visual.vi_end.lnum == 0)
+ beep_flush();
+ else
+ {
+ /* set w_cursor to the start of the Visual area, tpos to the end */
+ if (VIsual_active)
+ {
+ i = VIsual_mode;
+ VIsual_mode = curbuf->b_visual.vi_mode;
+ curbuf->b_visual.vi_mode = i;
+# ifdef FEAT_EVAL
+ curbuf->b_visual_mode_eval = i;
+# endif
+ i = curwin->w_curswant;
+ curwin->w_curswant = curbuf->b_visual.vi_curswant;
+ curbuf->b_visual.vi_curswant = i;
+
+ tpos = curbuf->b_visual.vi_end;
+ curbuf->b_visual.vi_end = curwin->w_cursor;
+ curwin->w_cursor = curbuf->b_visual.vi_start;
+ curbuf->b_visual.vi_start = VIsual;
+ }
+ else
+ {
+ VIsual_mode = curbuf->b_visual.vi_mode;
+ curwin->w_curswant = curbuf->b_visual.vi_curswant;
+ tpos = curbuf->b_visual.vi_end;
+ curwin->w_cursor = curbuf->b_visual.vi_start;
+ }
+
+ VIsual_active = TRUE;
+ VIsual_reselect = TRUE;
+
+ /* Set Visual to the start and w_cursor to the end of the Visual
+ * area. Make sure they are on an existing character. */
+ check_cursor();
+ VIsual = curwin->w_cursor;
+ curwin->w_cursor = tpos;
+ check_cursor();
+ update_topline();
+ /*
+ * When called from normal "g" command: start Select mode when
+ * 'selectmode' contains "cmd". When called for K_SELECT, always
+ * start Select mode.
+ */
+ if (cap->arg)
+ VIsual_select = TRUE;
+ else
+ may_start_select('c');
+#ifdef FEAT_MOUSE
+ setmouse();
+#endif
+#ifdef FEAT_CLIPBOARD
+ /* Make sure the clipboard gets updated. Needed because start and
+ * end are still the same, and the selection needs to be owned */
+ clip_star.vmode = NUL;
+#endif
+ redraw_curbuf_later(INVERTED);
+ showmode();
+ }
+ break;
+ /*
+ * "gV": Don't reselect the previous Visual area after a Select mode
+ * mapping of menu.
+ */
+ case 'V':
+ VIsual_reselect = FALSE;
+ break;
+
+ /*
+ * "gh": start Select mode.
+ * "gH": start Select line mode.
+ * "g^H": start Select block mode.
+ */
+ case K_BS:
+ cap->nchar = Ctrl_H;
+ /* FALLTHROUGH */
+ case 'h':
+ case 'H':
+ case Ctrl_H:
+# ifdef EBCDIC
+ /* EBCDIC: 'v'-'h' != '^v'-'^h' */
+ if (cap->nchar == Ctrl_H)
+ cap->cmdchar = Ctrl_V;
+ else
+# endif
+ cap->cmdchar = cap->nchar + ('v' - 'h');
+ cap->arg = TRUE;
+ nv_visual(cap);
+ break;
+#endif /* FEAT_VISUAL */
+
+ /*
+ * "gj" and "gk" two new funny movement keys -- up and down
+ * movement based on *screen* line rather than *file* line.
+ */
+ case 'j':
+ case K_DOWN:
+ /* with 'nowrap' it works just like the normal "j" command; also when
+ * in a closed fold */
+ if (!curwin->w_p_wrap
+#ifdef FEAT_FOLDING
+ || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
+#endif
+ )
+ {
+ oap->motion_type = MLINE;
+ i = cursor_down(cap->count1, oap->op_type == OP_NOP);
+ }
+ else
+ i = nv_screengo(oap, FORWARD, cap->count1);
+ if (i == FAIL)
+ clearopbeep(oap);
+ break;
+
+ case 'k':
+ case K_UP:
+ /* with 'nowrap' it works just like the normal "k" command; also when
+ * in a closed fold */
+ if (!curwin->w_p_wrap
+#ifdef FEAT_FOLDING
+ || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
+#endif
+ )
+ {
+ oap->motion_type = MLINE;
+ i = cursor_up(cap->count1, oap->op_type == OP_NOP);
+ }
+ else
+ i = nv_screengo(oap, BACKWARD, cap->count1);
+ if (i == FAIL)
+ clearopbeep(oap);
+ break;
+
+ /*
+ * "gJ": join two lines without inserting a space.
+ */
+ case 'J':
+ nv_join(cap);
+ break;
+
+ /*
+ * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
+ * "gm": middle of "g0" and "g$".
+ */
+ case '^':
+ flag = TRUE;
+ /* FALLTHROUGH */
+
+ case '0':
+ case 'm':
+ case K_HOME:
+ case K_KHOME:
+ oap->motion_type = MCHAR;
+ oap->inclusive = FALSE;
+ if (curwin->w_p_wrap
+#ifdef FEAT_VERTSPLIT
+ && curwin->w_width != 0
+#endif
+ )
+ {
+ int width1 = W_WIDTH(curwin) - curwin_col_off();
+ int width2 = width1 + curwin_col_off2();
+
+ validate_virtcol();
+ i = 0;
+ if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
+ i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
+ }
+ else
+ i = curwin->w_leftcol;
+ /* Go to the middle of the screen line. When 'number' or
+ * 'relativenumber' is on and lines are wrapping the middle can be more
+ * to the left. */
+ if (cap->nchar == 'm')
+ i += (W_WIDTH(curwin) - curwin_col_off()
+ + ((curwin->w_p_wrap && i > 0)
+ ? curwin_col_off2() : 0)) / 2;
+ coladvance((colnr_T)i);
+ if (flag)
+ {
+ do
+ i = gchar_cursor();
+ while (vim_iswhite(i) && oneright() == OK);
+ }
+ curwin->w_set_curswant = TRUE;
+ break;
+
+ case '_':
+ /* "g_": to the last non-blank character in the line or <count> lines
+ * downward. */
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = TRUE;
+ curwin->w_curswant = MAXCOL;
+ if (cursor_down((long)(cap->count1 - 1),
+ cap->oap->op_type == OP_NOP) == FAIL)
+ clearopbeep(cap->oap);
+ else
+ {
+ char_u *ptr = ml_get_curline();
+
+ /* In Visual mode we may end up after the line. */
+ if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
+ --curwin->w_cursor.col;
+
+ /* Decrease the cursor column until it's on a non-blank. */
+ while (curwin->w_cursor.col > 0
+ && vim_iswhite(ptr[curwin->w_cursor.col]))
+ --curwin->w_cursor.col;
+ curwin->w_set_curswant = TRUE;
+#ifdef FEAT_VISUAL
+ adjust_for_sel(cap);
+#endif
+ }
+ break;
+
+ case '$':
+ case K_END:
+ case K_KEND:
+ {
+ int col_off = curwin_col_off();
+
+ oap->motion_type = MCHAR;
+ oap->inclusive = TRUE;
+ if (curwin->w_p_wrap
+#ifdef FEAT_VERTSPLIT
+ && curwin->w_width != 0
+#endif
+ )
+ {
+ curwin->w_curswant = MAXCOL; /* so we stay at the end */
+ if (cap->count1 == 1)
+ {
+ int width1 = W_WIDTH(curwin) - col_off;
+ int width2 = width1 + curwin_col_off2();
+
+ validate_virtcol();
+ i = width1 - 1;
+ if (curwin->w_virtcol >= (colnr_T)width1)
+ i += ((curwin->w_virtcol - width1) / width2 + 1)
+ * width2;
+ coladvance((colnr_T)i);
+#if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
+ if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
+ {
+ /*
+ * Check for landing on a character that got split at
+ * the end of the line. We do not want to advance to
+ * the next screen line.
+ */
+ validate_virtcol();
+ if (curwin->w_virtcol > (colnr_T)i)
+ --curwin->w_cursor.col;
+ }
+#endif
+ }
+ else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
+ clearopbeep(oap);
+ }
+ else
+ {
+ i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
+ coladvance((colnr_T)i);
+
+ /* Make sure we stick in this column. */
+ validate_virtcol();
+ curwin->w_curswant = curwin->w_virtcol;
+ curwin->w_set_curswant = FALSE;
+ }
+ }
+ break;
+
+ /*
+ * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
+ */
+ case '*':
+ case '#':
+#if POUND != '#'
+ case POUND: /* pound sign (sometimes equal to '#') */
+#endif
+ case Ctrl_RSB: /* :tag or :tselect for current identifier */
+ case ']': /* :tselect for current identifier */
+ nv_ident(cap);
+ break;
+
+ /*
+ * ge and gE: go back to end of word
+ */
+ case 'e':
+ case 'E':
+ oap->motion_type = MCHAR;
+ curwin->w_set_curswant = TRUE;
+ oap->inclusive = TRUE;
+ if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
+ clearopbeep(oap);
+ break;
+
+ /*
+ * "g CTRL-G": display info about cursor position
+ */
+ case Ctrl_G:
+ cursor_pos_info();
+ break;
+
+ /*
+ * "gi": start Insert at the last position.
+ */
+ case 'i':
+ if (curbuf->b_last_insert.lnum != 0)
+ {
+ curwin->w_cursor = curbuf->b_last_insert;
+ check_cursor_lnum();
+ i = (int)STRLEN(ml_get_curline());
+ if (curwin->w_cursor.col > (colnr_T)i)
+ {
+#ifdef FEAT_VIRTUALEDIT
+ if (virtual_active())
+ curwin->w_cursor.coladd += curwin->w_cursor.col - i;
+#endif
+ curwin->w_cursor.col = i;
+ }
+ }
+ cap->cmdchar = 'i';
+ nv_edit(cap);
+ break;
+
+ /*
+ * "gI": Start insert in column 1.
+ */
+ case 'I':
+ beginline(0);
+ if (!checkclearopq(oap))
+ invoke_edit(cap, FALSE, 'g', FALSE);
+ break;
+
+#ifdef FEAT_SEARCHPATH
+ /*
+ * "gf": goto file, edit file under cursor
+ * "]f" and "[f": can also be used.
+ */
+ case 'f':
+ case 'F':
+ nv_gotofile(cap);
+ break;
+#endif
+
+ /* "g'm" and "g`m": jump to mark without setting pcmark */
+ case '\'':
+ cap->arg = TRUE;
+ /*FALLTHROUGH*/
+ case '`':
+ nv_gomark(cap);
+ break;
+
+ /*
+ * "gs": Goto sleep.
+ */
+ case 's':
+ do_sleep(cap->count1 * 1000L);
+ break;
+
+ /*
+ * "ga": Display the ascii value of the character under the
+ * cursor. It is displayed in decimal, hex, and octal. -- webb
+ */
+ case 'a':
+ do_ascii(NULL);
+ break;
+
+#ifdef FEAT_MBYTE
+ /*
+ * "g8": Display the bytes used for the UTF-8 character under the
+ * cursor. It is displayed in hex.
+ * "8g8" finds illegal byte sequence.
+ */
+ case '8':
+ if (cap->count0 == 8)
+ utf_find_illegal();
+ else
+ show_utf8();
+ break;
+#endif
+
+ case '<':
+ show_sb_text();
+ break;
+
+ /*
+ * "gg": Goto the first line in file. With a count it goes to
+ * that line number like for "G". -- webb
+ */
+ case 'g':
+ cap->arg = FALSE;
+ nv_goto(cap);
+ break;
+
+ /*
+ * Two-character operators:
+ * "gq" Format text
+ * "gw" Format text and keep cursor position
+ * "g~" Toggle the case of the text.
+ * "gu" Change text to lower case.
+ * "gU" Change text to upper case.
+ * "g?" rot13 encoding
+ * "g@" call 'operatorfunc'
+ */
+ case 'q':
+ case 'w':
+ oap->cursor_start = curwin->w_cursor;
+ /*FALLTHROUGH*/
+ case '~':
+ case 'u':
+ case 'U':
+ case '?':
+ case '@':
+ nv_operator(cap);
+ break;
+
+ /*
+ * "gd": Find first occurrence of pattern under the cursor in the
+ * current function
+ * "gD": idem, but in the current file.
+ */
+ case 'd':
+ case 'D':
+ nv_gd(oap, cap->nchar, (int)cap->count0);
+ break;
+
+#ifdef FEAT_MOUSE
+ /*
+ * g<*Mouse> : <C-*mouse>
+ */
+ case K_MIDDLEMOUSE:
+ case K_MIDDLEDRAG:
+ case K_MIDDLERELEASE:
+ case K_LEFTMOUSE:
+ case K_LEFTDRAG:
+ case K_LEFTRELEASE:
+ case K_RIGHTMOUSE:
+ case K_RIGHTDRAG:
+ case K_RIGHTRELEASE:
+ case K_X1MOUSE:
+ case K_X1DRAG:
+ case K_X1RELEASE:
+ case K_X2MOUSE:
+ case K_X2DRAG:
+ case K_X2RELEASE:
+ mod_mask = MOD_MASK_CTRL;
+ (void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
+ break;
+#endif
+
+ case K_IGNORE:
+ break;
+
+ /*
+ * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
+ */
+ case 'p':
+ case 'P':
+ nv_put(cap);
+ break;
+
+#ifdef FEAT_BYTEOFF
+ /* "go": goto byte count from start of buffer */
+ case 'o':
+ goto_byte(cap->count0);
+ break;
+#endif
+
+ /* "gQ": improved Ex mode */
+ case 'Q':
+ if (text_locked())
+ {
+ clearopbeep(cap->oap);
+ text_locked_msg();
+ break;
+ }
+
+ if (!checkclearopq(oap))
+ do_exmode(TRUE);
+ break;
+
+#ifdef FEAT_JUMPLIST
+ case ',':
+ nv_pcmark(cap);
+ break;
+
+ case ';':
+ cap->count1 = -cap->count1;
+ nv_pcmark(cap);
+ break;
+#endif
+
+#ifdef FEAT_WINDOWS
+ case 't':
+ goto_tabpage((int)cap->count0);
+ break;
+ case 'T':
+ goto_tabpage(-(int)cap->count1);
+ break;
+#endif
+
+ case '+':
+ case '-': /* "g+" and "g-": undo or redo along the timeline */
+ if (!checkclearopq(oap))
+ undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
+ FALSE, FALSE, FALSE);
+ break;
+
+ default:
+ clearopbeep(oap);
+ break;
+ }
+}
+
+/*
+ * Handle "o" and "O" commands.
+ */
+ static void
+n_opencmd(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_CONCEAL
+ linenr_T oldline = curwin->w_cursor.lnum;
+#endif
+
+ if (!checkclearopq(cap->oap))
+ {
+#ifdef FEAT_FOLDING
+ if (cap->cmdchar == 'O')
+ /* Open above the first line of a folded sequence of lines */
+ (void)hasFolding(curwin->w_cursor.lnum,
+ &curwin->w_cursor.lnum, NULL);
+ else
+ /* Open below the last line of a folded sequence of lines */
+ (void)hasFolding(curwin->w_cursor.lnum,
+ NULL, &curwin->w_cursor.lnum);
+#endif
+ if (u_save((linenr_T)(curwin->w_cursor.lnum -
+ (cap->cmdchar == 'O' ? 1 : 0)),
+ (linenr_T)(curwin->w_cursor.lnum +
+ (cap->cmdchar == 'o' ? 1 : 0))
+ ) == OK
+ && open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
+#ifdef FEAT_COMMENTS
+ has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
+#endif
+ 0, 0))
+ {
+#ifdef FEAT_CONCEAL
+ if (curwin->w_p_cole > 0 && oldline != curwin->w_cursor.lnum)
+ update_single_line(curwin, oldline);
+#endif
+ /* When '#' is in 'cpoptions' ignore the count. */
+ if (vim_strchr(p_cpo, CPO_HASH) != NULL)
+ cap->count1 = 1;
+ invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
+ }
+ }
+}
+
+/*
+ * "." command: redo last change.
+ */
+ static void
+nv_dot(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearopq(cap->oap))
+ {
+ /*
+ * If "restart_edit" is TRUE, the last but one command is repeated
+ * instead of the last command (inserting text). This is used for
+ * CTRL-O <.> in insert mode.
+ */
+ if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
+ clearopbeep(cap->oap);
+ }
+}
+
+/*
+ * CTRL-R: undo undo
+ */
+ static void
+nv_redo(cap)
+ cmdarg_T *cap;
+{
+ if (!checkclearopq(cap->oap))
+ {
+ u_redo((int)cap->count1);
+ curwin->w_set_curswant = TRUE;
+ }
+}
+
+/*
+ * Handle "U" command.
+ */
+ static void
+nv_Undo(cap)
+ cmdarg_T *cap;
+{
+ /* In Visual mode and typing "gUU" triggers an operator */
+ if (cap->oap->op_type == OP_UPPER
+#ifdef FEAT_VISUAL
+ || VIsual_active
+#endif
+ )
+ {
+ /* translate "gUU" to "gUgU" */
+ cap->cmdchar = 'g';
+ cap->nchar = 'U';
+ nv_operator(cap);
+ }
+ else if (!checkclearopq(cap->oap))
+ {
+ u_undoline();
+ curwin->w_set_curswant = TRUE;
+ }
+}
+
+/*
+ * '~' command: If tilde is not an operator and Visual is off: swap case of a
+ * single character.
+ */
+ static void
+nv_tilde(cap)
+ cmdarg_T *cap;
+{
+ if (!p_to
+#ifdef FEAT_VISUAL
+ && !VIsual_active
+#endif
+ && cap->oap->op_type != OP_TILDE)
+ n_swapchar(cap);
+ else
+ nv_operator(cap);
+}
+
+/*
+ * Handle an operator command.
+ * The actual work is done by do_pending_operator().
+ */
+ static void
+nv_operator(cap)
+ cmdarg_T *cap;
+{
+ int op_type;
+
+ op_type = get_op_type(cap->cmdchar, cap->nchar);
+
+ if (op_type == cap->oap->op_type) /* double operator works on lines */
+ nv_lineop(cap);
+ else if (!checkclearop(cap->oap))
+ {
+ cap->oap->start = curwin->w_cursor;
+ cap->oap->op_type = op_type;
+#ifdef FEAT_EVAL
+ set_op_var(op_type);
+#endif
+ }
+}
+
+#ifdef FEAT_EVAL
+/*
+ * Set v:operator to the characters for "optype".
+ */
+ static void
+set_op_var(optype)
+ int optype;
+{
+ char_u opchars[3];
+
+ if (optype == OP_NOP)
+ set_vim_var_string(VV_OP, NULL, 0);
+ else
+ {
+ opchars[0] = get_op_char(optype);
+ opchars[1] = get_extra_op_char(optype);
+ opchars[2] = NUL;
+ set_vim_var_string(VV_OP, opchars, -1);
+ }
+}
+#endif
+
+/*
+ * Handle linewise operator "dd", "yy", etc.
+ *
+ * "_" is is a strange motion command that helps make operators more logical.
+ * It is actually implemented, but not documented in the real Vi. This motion
+ * command actually refers to "the current line". Commands like "dd" and "yy"
+ * are really an alternate form of "d_" and "y_". It does accept a count, so
+ * "d3_" works to delete 3 lines.
+ */
+ static void
+nv_lineop(cap)
+ cmdarg_T *cap;
+{
+ cap->oap->motion_type = MLINE;
+ if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
+ clearopbeep(cap->oap);
+ else if ( cap->oap->op_type == OP_DELETE
+ || cap->oap->op_type == OP_LSHIFT
+ || cap->oap->op_type == OP_RSHIFT)
+ beginline(BL_SOL | BL_FIX);
+ else if (cap->oap->op_type != OP_YANK) /* 'Y' does not move cursor */
+ beginline(BL_WHITE | BL_FIX);
+}
+
+/*
+ * <Home> command.
+ */
+ static void
+nv_home(cap)
+ cmdarg_T *cap;
+{
+ /* CTRL-HOME is like "gg" */
+ if (mod_mask & MOD_MASK_CTRL)
+ nv_goto(cap);
+ else
+ {
+ cap->count0 = 1;
+ nv_pipe(cap);
+ }
+ ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
+ one-character line). */
+}
+
+/*
+ * "|" command.
+ */
+ static void
+nv_pipe(cap)
+ cmdarg_T *cap;
+{
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = FALSE;
+ beginline(0);
+ if (cap->count0 > 0)
+ {
+ coladvance((colnr_T)(cap->count0 - 1));
+ curwin->w_curswant = (colnr_T)(cap->count0 - 1);
+ }
+ else
+ curwin->w_curswant = 0;
+ /* keep curswant at the column where we wanted to go, not where
+ * we ended; differs if line is too short */
+ curwin->w_set_curswant = FALSE;
+}
+
+/*
+ * Handle back-word command "b" and "B".
+ * cap->arg is 1 for "B"
+ */
+ static void
+nv_bck_word(cap)
+ cmdarg_T *cap;
+{
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = FALSE;
+ curwin->w_set_curswant = TRUE;
+ if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
+ clearopbeep(cap->oap);
+#ifdef FEAT_FOLDING
+ else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+}
+
+/*
+ * Handle word motion commands "e", "E", "w" and "W".
+ * cap->arg is TRUE for "E" and "W".
+ */
+ static void
+nv_wordcmd(cap)
+ cmdarg_T *cap;
+{
+ int n;
+ int word_end;
+ int flag = FALSE;
+ pos_T startpos = curwin->w_cursor;
+
+ /*
+ * Set inclusive for the "E" and "e" command.
+ */
+ if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
+ word_end = TRUE;
+ else
+ word_end = FALSE;
+ cap->oap->inclusive = word_end;
+
+ /*
+ * "cw" and "cW" are a special case.
+ */
+ if (!word_end && cap->oap->op_type == OP_CHANGE)
+ {
+ n = gchar_cursor();
+ if (n != NUL) /* not an empty line */
+ {
+ if (vim_iswhite(n))
+ {
+ /*
+ * Reproduce a funny Vi behaviour: "cw" on a blank only
+ * changes one character, not all blanks until the start of
+ * the next word. Only do this when the 'w' flag is included
+ * in 'cpoptions'.
+ */
+ if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
+ {
+ cap->oap->inclusive = TRUE;
+ cap->oap->motion_type = MCHAR;
+ return;
+ }
+ }
+ else
+ {
+ /*
+ * This is a little strange. To match what the real Vi does,
+ * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
+ * that we are not on a space or a TAB. This seems impolite
+ * at first, but it's really more what we mean when we say
+ * 'cw'.
+ * Another strangeness: When standing on the end of a word
+ * "ce" will change until the end of the next wordt, but "cw"
+ * will change only one character! This is done by setting
+ * flag.
+ */
+ cap->oap->inclusive = TRUE;
+ word_end = TRUE;
+ flag = TRUE;
+ }
+ }
+ }
+
+ cap->oap->motion_type = MCHAR;
+ curwin->w_set_curswant = TRUE;
+ if (word_end)
+ n = end_word(cap->count1, cap->arg, flag, FALSE);
+ else
+ n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
+
+ /* Don't leave the cursor on the NUL past the end of line. Unless we
+ * didn't move it forward. */
+ if (lt(startpos, curwin->w_cursor))
+ adjust_cursor(cap->oap);
+
+ if (n == FAIL && cap->oap->op_type == OP_NOP)
+ clearopbeep(cap->oap);
+ else
+ {
+#ifdef FEAT_VISUAL
+ adjust_for_sel(cap);
+#endif
+#ifdef FEAT_FOLDING
+ if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+ }
+}
+
+/*
+ * Used after a movement command: If the cursor ends up on the NUL after the
+ * end of the line, may move it back to the last character and make the motion
+ * inclusive.
+ */
+ static void
+adjust_cursor(oap)
+ oparg_T *oap;
+{
+ /* The cursor cannot remain on the NUL when:
+ * - the column is > 0
+ * - not in Visual mode or 'selection' is "o"
+ * - 'virtualedit' is not "all" and not "onemore".
+ */
+ if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL
+#ifdef FEAT_VISUAL
+ && (!VIsual_active || *p_sel == 'o')
+#endif
+#ifdef FEAT_VIRTUALEDIT
+ && !virtual_active() && (ve_flags & VE_ONEMORE) == 0
+#endif
+ )
+ {
+ --curwin->w_cursor.col;
+#ifdef FEAT_MBYTE
+ /* prevent cursor from moving on the trail byte */
+ if (has_mbyte)
+ mb_adjust_cursor();
+#endif
+ oap->inclusive = TRUE;
+ }
+}
+
+/*
+ * "0" and "^" commands.
+ * cap->arg is the argument for beginline().
+ */
+ static void
+nv_beginline(cap)
+ cmdarg_T *cap;
+{
+ cap->oap->motion_type = MCHAR;
+ cap->oap->inclusive = FALSE;
+ beginline(cap->arg);
+#ifdef FEAT_FOLDING
+ if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+ ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
+ one-character line). */
+}
+
+#ifdef FEAT_VISUAL
+/*
+ * In exclusive Visual mode, may include the last character.
+ */
+ static void
+adjust_for_sel(cap)
+ cmdarg_T *cap;
+{
+ if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
+ && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
+ {
+# ifdef FEAT_MBYTE
+ if (has_mbyte)
+ inc_cursor();
+ else
+# endif
+ ++curwin->w_cursor.col;
+ cap->oap->inclusive = FALSE;
+ }
+}
+
+/*
+ * Exclude last character at end of Visual area for 'selection' == "exclusive".
+ * Should check VIsual_mode before calling this.
+ * Returns TRUE when backed up to the previous line.
+ */
+ static int
+unadjust_for_sel()
+{
+ pos_T *pp;
+
+ if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
+ {
+ if (lt(VIsual, curwin->w_cursor))
+ pp = &curwin->w_cursor;
+ else
+ pp = &VIsual;
+#ifdef FEAT_VIRTUALEDIT
+ if (pp->coladd > 0)
+ --pp->coladd;
+ else
+#endif
+ if (pp->col > 0)
+ {
+ --pp->col;
+#ifdef FEAT_MBYTE
+ mb_adjustpos(curbuf, pp);
+#endif
+ }
+ else if (pp->lnum > 1)
+ {
+ --pp->lnum;
+ pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+/*
+ * SELECT key in Normal or Visual mode: end of Select mode mapping.
+ */
+ static void
+nv_select(cap)
+ cmdarg_T *cap;
+{
+ if (VIsual_active)
+ VIsual_select = TRUE;
+ else if (VIsual_reselect)
+ {
+ cap->nchar = 'v'; /* fake "gv" command */
+ cap->arg = TRUE;
+ nv_g_cmd(cap);
+ }
+}
+
+#endif
+
+/*
+ * "G", "gg", CTRL-END, CTRL-HOME.
+ * cap->arg is TRUE for "G".
+ */
+ static void
+nv_goto(cap)
+ cmdarg_T *cap;
+{
+ linenr_T lnum;
+
+ if (cap->arg)
+ lnum = curbuf->b_ml.ml_line_count;
+ else
+ lnum = 1L;
+ cap->oap->motion_type = MLINE;
+ setpcmark();
+
+ /* When a count is given, use it instead of the default lnum */
+ if (cap->count0 != 0)
+ lnum = cap->count0;
+ if (lnum < 1L)
+ lnum = 1L;
+ else if (lnum > curbuf->b_ml.ml_line_count)
+ lnum = curbuf->b_ml.ml_line_count;
+ curwin->w_cursor.lnum = lnum;
+ beginline(BL_SOL | BL_FIX);
+#ifdef FEAT_FOLDING
+ if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
+ foldOpenCursor();
+#endif
+}
+
+/*
+ * CTRL-\ in Normal mode.
+ */
+ static void
+nv_normal(cap)
+ cmdarg_T *cap;
+{
+ if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
+ {
+ clearop(cap->oap);
+ if (restart_edit != 0 && mode_displayed)
+ clear_cmdline = TRUE; /* unshow mode later */
+ restart_edit = 0;
+#ifdef FEAT_CMDWIN
+ if (cmdwin_type != 0)
+ cmdwin_result = Ctrl_C;
+#endif
+#ifdef FEAT_VISUAL
+ if (VIsual_active)
+ {
+ end_visual_mode(); /* stop Visual */
+ redraw_curbuf_later(INVERTED);
+ }
+#endif
+ /* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
+ if (cap->nchar == Ctrl_G && p_im)
+ restart_edit = 'a';
+ }
+ else
+ clearopbeep(cap->oap);
+}
+
+/*
+ * ESC in Normal mode: beep, but don't flush buffers.
+ * Don't even beep if we are canceling a command.
+ */
+ static void
+nv_esc(cap)
+ cmdarg_T *cap;
+{
+ int no_reason;
+
+ no_reason = (cap->oap->op_type == OP_NOP
+ && cap->opcount == 0
+ && cap->count0 == 0
+ && cap->oap->regname == 0
+ && !p_im);
+
+ if (cap->arg) /* TRUE for CTRL-C */
+ {
+ if (restart_edit == 0
+#ifdef FEAT_CMDWIN
+ && cmdwin_type == 0
+#endif
+#ifdef FEAT_VISUAL
+ && !VIsual_active
+#endif
+ && no_reason)
+ MSG(_("Type :quit<Enter> to exit Vim"));
+
+ /* Don't reset "restart_edit" when 'insertmode' is set, it won't be
+ * set again below when halfway a mapping. */
+ if (!p_im)
+ restart_edit = 0;
+#ifdef FEAT_CMDWIN
+ if (cmdwin_type != 0)
+ {
+ cmdwin_result = K_IGNORE;
+ got_int = FALSE; /* don't stop executing autocommands et al. */
+ return;
+ }
+#endif
+ }
+
+#ifdef FEAT_VISUAL
+ if (VIsual_active)
+ {
+ end_visual_mode(); /* stop Visual */
+ check_cursor_col(); /* make sure cursor is not beyond EOL */
+ curwin->w_set_curswant = TRUE;
+ redraw_curbuf_later(INVERTED);
+ }
+ else
+#endif
+ if (no_reason)
+ vim_beep();
+ clearop(cap->oap);
+
+ /* A CTRL-C is often used at the start of a menu. When 'insertmode' is
+ * set return to Insert mode afterwards. */
+ if (restart_edit == 0 && goto_im()
+#ifdef FEAT_EX_EXTRA
+ && ex_normal_busy == 0
+#endif
+ )
+ restart_edit = 'a';
+}
+
+/*
+ * Handle "A", "a", "I", "i" and <Insert> commands.
+ */
+ static void
+nv_edit(cap)
+ cmdarg_T *cap;
+{
+ /* <Insert> is equal to "i" */
+ if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
+ cap->cmdchar = 'i';
+
+#ifdef FEAT_VISUAL
+ /* in Visual mode "A" and "I" are an operator */
+ if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
+ v_visop(cap);
+
+ /* in Visual mode and after an operator "a" and "i" are for text objects */
+ else
+#endif
+ if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
+ && (cap->oap->op_type != OP_NOP
+#ifdef FEAT_VISUAL
+ || VIsual_active
+#endif
+ ))
+ {
+#ifdef FEAT_TEXTOBJ
+ nv_object(cap);
+#else
+ clearopbeep(cap->oap);
+#endif
+ }
+ else if (!curbuf->b_p_ma && !p_im)
+ {
+ /* Only give this error when 'insertmode' is off. */
+ EMSG(_(e_modifiable));
+ clearop(cap->oap);
+ }
+ else if (!checkclearopq(cap->oap))
+ {
+ switch (cap->cmdchar)
+ {
+ case 'A': /* "A"ppend after the line */
+ curwin->w_set_curswant = TRUE;
+#ifdef FEAT_VIRTUALEDIT
+ if (ve_flags == VE_ALL)
+ {
+ int save_State = State;
+
+ /* Pretent Insert mode here to allow the cursor on the
+ * character past the end of the line */
+ State = INSERT;
+ coladvance((colnr_T)MAXCOL);
+ State = save_State;
+ }
+ else
+#endif
+ curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
+ break;
+
+ case 'I': /* "I"nsert before the first non-blank */
+ if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
+ beginline(BL_WHITE);
+ else
+ beginline(BL_WHITE|BL_FIX);
+ break;
+
+ case 'a': /* "a"ppend is like "i"nsert on the next character. */
+#ifdef FEAT_VIRTUALEDIT
+ /* increment coladd when in virtual space, increment the
+ * column otherwise, also to append after an unprintable char */
+ if (virtual_active()
+ && (curwin->w_cursor.coladd > 0
+ || *ml_get_cursor() == NUL
+ || *ml_get_cursor() == TAB))
+ curwin->w_cursor.coladd++;
+ else
+#endif
+ if (*ml_get_cursor() != NUL)
+ inc_cursor();
+ break;
+ }
+
+#ifdef FEAT_VIRTUALEDIT
+ if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
+ {
+ int save_State = State;
+
+ /* Pretent Insert mode here to allow the cursor on the
+ * character past the end of the line */
+ State = INSERT;
+ coladvance(getviscol());
+ State = save_State;
+ }
+#endif
+
+ invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
+ }
+}
+
+/*
+ * Invoke edit() and take care of "restart_edit" and the return value.
+ */
+ static void
+invoke_edit(cap, repl, cmd, startln)
+ cmdarg_T *cap;
+ int repl; /* "r" or "gr" command */
+ int cmd;
+ int startln;
+{
+ int restart_edit_save = 0;
+
+ /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
+ * mode recursively. But when doing "a<C-O>." or "a<C-O>rx" we do allow
+ * it. */
+ if (repl || !stuff_empty())
+ restart_edit_save = restart_edit;
+ else
+ restart_edit_save = 0;
+
+ /* Always reset "restart_edit", this is not a restarted edit. */
+ restart_edit = 0;
+
+ if (edit(cmd, startln, cap->count1))
+ cap->retval |= CA_COMMAND_BUSY;
+
+ if (restart_edit == 0)
+ restart_edit = restart_edit_save;
+}
+
+#ifdef FEAT_TEXTOBJ
+/*
+ * "a" or "i" while an operator is pending or in Visual mode: object motion.
+ */
+ static void
+nv_object(cap)
+ cmdarg_T *cap;
+{
+ int flag;
+ int include;
+ char_u *mps_save;
+
+ if (cap->cmdchar == 'i')
+ include = FALSE; /* "ix" = inner object: exclude white space */
+ else
+ include = TRUE; /* "ax" = an object: include white space */
+
+ /* Make sure (), [], {} and <> are in 'matchpairs' */
+ mps_save = curbuf->b_p_mps;
+ curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
+
+ switch (cap->nchar)
+ {
+ case 'w': /* "aw" = a word */
+ flag = current_word(cap->oap, cap->count1, include, FALSE);
+ break;
+ case 'W': /* "aW" = a WORD */
+ flag = current_word(cap->oap, cap->count1, include, TRUE);
+ break;
+ case 'b': /* "ab" = a braces block */
+ case '(':
+ case ')':
+ flag = current_block(cap->oap, cap->count1, include, '(', ')');
+ break;
+ case 'B': /* "aB" = a Brackets block */
+ case '{':
+ case '}':
+ flag = current_block(cap->oap, cap->count1, include, '{', '}');
+ break;
+ case '[': /* "a[" = a [] block */
+ case ']':
+ flag = current_block(cap->oap, cap->count1, include, '[', ']');
+ break;
+ case '<': /* "a<" = a <> block */
+ case '>':
+ flag = current_block(cap->oap, cap->count1, include, '<', '>');
+ break;
+ case 't': /* "at" = a tag block (xml and html) */
+ flag = current_tagblock(cap->oap, cap->count1, include);
+ break;
+ case 'p': /* "ap" = a paragraph */
+ flag = current_par(cap->oap, cap->count1, include, 'p');
+ break;
+ case 's': /* "as" = a sentence */
+ flag = current_sent(cap->oap, cap->count1, include);
+ break;
+ case '"': /* "a"" = a double quoted string */
+ case '\'': /* "a'" = a single quoted string */
+ case '`': /* "a`" = a backtick quoted string */
+ flag = current_quote(cap->oap, cap->count1, include,
+ cap->nchar);
+ break;
+#if 0 /* TODO */
+ case 'S': /* "aS" = a section */
+ case 'f': /* "af" = a filename */
+ case 'u': /* "au" = a URL */
+#endif
+ default:
+ flag = FAIL;
+ break;
+ }
+
+ curbuf->b_p_mps = mps_save;
+ if (flag == FAIL)
+ clearopbeep(cap->oap);
+ adjust_cursor_col();
+ curwin->w_set_curswant = TRUE;
+}
+#endif
+
+/*
+ * "q" command: Start/stop recording.
+ * "q:", "q/", "q?": edit command-line in command-line window.
+ */
+ static void
+nv_record(cap)
+ cmdarg_T *cap;
+{
+ if (cap->oap->op_type == OP_FORMAT)
+ {
+ /* "gqq" is the same as "gqgq": format line */
+ cap->cmdchar = 'g';
+ cap->nchar = 'q';
+ nv_operator(cap);
+ }
+ else if (!checkclearop(cap->oap))
+ {
+#ifdef FEAT_CMDWIN
+ if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
+ {
+ stuffcharReadbuff(cap->nchar);
+ stuffcharReadbuff(K_CMDWIN);
+ }
+ else
+#endif
+ /* (stop) recording into a named register, unless executing a
+ * register */
+ if (!Exec_reg && do_record(cap->nchar) == FAIL)
+ clearopbeep(cap->oap);
+ }
+}
+
+/*
+ * Handle the "@r" command.
+ */
+ static void
+nv_at(cap)
+ cmdarg_T *cap;
+{
+ if (checkclearop(cap->oap))
+ return;
+#ifdef FEAT_EVAL
+ if (cap->nchar == '=')
+ {
+ if (get_expr_register() == NUL)
+ return;
+ }
+#endif
+ while (cap->count1-- && !got_int)
+ {
+ if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
+ {
+ clearopbeep(cap->oap);
+ break;
+ }
+ line_breakcheck();
+ }
+}
+
+/*
+ * Handle the CTRL-U and CTRL-D commands.
+ */
+ static void
+nv_halfpage(cap)
+ cmdarg_T *cap;
+{
+ if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
+ || (cap->cmdchar == Ctrl_D
+ && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
+ clearopbeep(cap->oap);
+ else if (!checkclearop(cap->oap))
+ halfpage(cap->cmdchar == Ctrl_D, cap->count0);
+}
+
+/*
+ * Handle "J" or "gJ" command.
+ */
+ static void
+nv_join(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_VISUAL
+ if (VIsual_active) /* join the visual lines */
+ nv_operator(cap);
+ else
+#endif
+ if (!checkclearop(cap->oap))
+ {
+ if (cap->count0 <= 1)
+ cap->count0 = 2; /* default for join is two lines! */
+ if (curwin->w_cursor.lnum + cap->count0 - 1 >
+ curbuf->b_ml.ml_line_count)
+ clearopbeep(cap->oap); /* beyond last line */
+ else
+ {
+ prep_redo(cap->oap->regname, cap->count0,
+ NUL, cap->cmdchar, NUL, NUL, cap->nchar);
+ (void)do_join(cap->count0, cap->nchar == NUL, TRUE);
+ }
+ }
+}
+
+/*
+ * "P", "gP", "p" and "gp" commands.
+ */
+ static void
+nv_put(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_VISUAL
+ int regname = 0;
+ void *reg1 = NULL, *reg2 = NULL;
+ int empty = FALSE;
+ int was_visual = FALSE;
+#endif
+ int dir;
+ int flags = 0;
+
+ if (cap->oap->op_type != OP_NOP)
+ {
+#ifdef FEAT_DIFF
+ /* "dp" is ":diffput" */
+ if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
+ {
+ clearop(cap->oap);
+ nv_diffgetput(TRUE);
+ }
+ else
+#endif
+ clearopbeep(cap->oap);
+ }
+ else
+ {
+ dir = (cap->cmdchar == 'P'
+ || (cap->cmdchar == 'g' && cap->nchar == 'P'))
+ ? BACKWARD : FORWARD;
+ prep_redo_cmd(cap);
+ if (cap->cmdchar == 'g')
+ flags |= PUT_CURSEND;
+
+#ifdef FEAT_VISUAL
+ if (VIsual_active)
+ {
+ /* Putting in Visual mode: The put text replaces the selected
+ * text. First delete the selected text, then put the new text.
+ * Need to save and restore the registers that the delete
+ * overwrites if the old contents is being put.
+ */
+ was_visual = TRUE;
+ regname = cap->oap->regname;
+# ifdef FEAT_CLIPBOARD
+ adjust_clip_reg(&regname);
+# endif
+ if (regname == 0 || VIM_ISDIGIT(regname)
+# ifdef FEAT_CLIPBOARD
+ || (clip_unnamed && (regname == '*' || regname == '+'))
+# endif
+
+ )
+ {
+ /* the delete is going to overwrite the register we want to
+ * put, save it first. */
+ reg1 = get_register(regname, TRUE);
+ }
+
+ /* Now delete the selected text. */
+ cap->cmdchar = 'd';
+ cap->nchar = NUL;
+ cap->oap->regname = NUL;
+ nv_operator(cap);
+ do_pending_operator(cap, 0, FALSE);
+ empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
+
+ /* delete PUT_LINE_BACKWARD; */
+ cap->oap->regname = regname;
+
+ if (reg1 != NULL)
+ {
+ /* Delete probably changed the register we want to put, save
+ * it first. Then put back what was there before the delete. */
+ reg2 = get_register(regname, FALSE);
+ put_register(regname, reg1);
+ }
+
+ /* When deleted a linewise Visual area, put the register as
+ * lines to avoid it joined with the next line. When deletion was
+ * characterwise, split a line when putting lines. */
+ if (VIsual_mode == 'V')
+ flags |= PUT_LINE;
+ else if (VIsual_mode == 'v')
+ flags |= PUT_LINE_SPLIT;
+ if (VIsual_mode == Ctrl_V && dir == FORWARD)
+ flags |= PUT_LINE_FORWARD;
+ dir = BACKWARD;
+ if ((VIsual_mode != 'V'
+ && curwin->w_cursor.col < curbuf->b_op_start.col)
+ || (VIsual_mode == 'V'
+ && curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
+ /* cursor is at the end of the line or end of file, put
+ * forward. */
+ dir = FORWARD;
+ }
+#endif
+ do_put(cap->oap->regname, dir, cap->count1, flags);
+
+#ifdef FEAT_VISUAL
+ /* If a register was saved, put it back now. */
+ if (reg2 != NULL)
+ put_register(regname, reg2);
+
+ /* What to reselect with "gv"? Selecting the just put text seems to
+ * be the most useful, since the original text was removed. */
+ if (was_visual)
+ {
+ curbuf->b_visual.vi_start = curbuf->b_op_start;
+ curbuf->b_visual.vi_end = curbuf->b_op_end;
+ }
+
+ /* When all lines were selected and deleted do_put() leaves an empty
+ * line that needs to be deleted now. */
+ if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
+ {
+ ml_delete(curbuf->b_ml.ml_line_count, TRUE);
+
+ /* If the cursor was in that line, move it to the end of the last
+ * line. */
+ if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
+ {
+ curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
+ coladvance((colnr_T)MAXCOL);
+ }
+ }
+#endif
+ auto_format(FALSE, TRUE);
+ }
+}
+
+/*
+ * "o" and "O" commands.
+ */
+ static void
+nv_open(cap)
+ cmdarg_T *cap;
+{
+#ifdef FEAT_DIFF
+ /* "do" is ":diffget" */
+ if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
+ {
+ clearop(cap->oap);
+ nv_diffgetput(FALSE);
+ }
+ else
+#endif
+#ifdef FEAT_VISUAL
+ if (VIsual_active) /* switch start and end of visual */
+ v_swap_corners(cap->cmdchar);
+ else
+#endif
+ n_opencmd(cap);
+}
+
+#ifdef FEAT_SNIFF
+ static void
+nv_sniff(cap)
+ cmdarg_T *cap UNUSED;
+{
+ ProcessSniffRequests();
+}
+#endif
+
+#ifdef FEAT_NETBEANS_INTG
+ static void
+nv_nbcmd(cap)
+ cmdarg_T *cap;
+{
+ netbeans_keycommand(cap->nchar);
+}
+#endif
+
+#ifdef FEAT_DND
+ static void
+nv_drop(cap)
+ cmdarg_T *cap UNUSED;
+{
+ do_put('~', BACKWARD, 1L, PUT_CURSEND);
+}
+#endif
+
+#ifdef FEAT_AUTOCMD
+/*
+ * Trigger CursorHold event.
+ * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
+ * input buffer. "did_cursorhold" is set to avoid retriggering.
+ */
+ static void
+nv_cursorhold(cap)
+ cmdarg_T *cap;
+{
+ apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
+ did_cursorhold = TRUE;
+ cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
+}
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 03:47:59 +0000