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Diffstat (limited to 'src/video/gem/SDL_gemevents.c')
-rw-r--r--src/video/gem/SDL_gemevents.c370
1 files changed, 370 insertions, 0 deletions
diff --git a/src/video/gem/SDL_gemevents.c b/src/video/gem/SDL_gemevents.c
new file mode 100644
index 0000000..10cfc06
--- /dev/null
+++ b/src/video/gem/SDL_gemevents.c
@@ -0,0 +1,370 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2009 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/*
+ * GEM SDL video driver implementation
+ * inspired from the Dummy SDL driver
+ *
+ * Patrice Mandin
+ * and work from
+ * Olivier Landemarre, Johan Klockars, Xavier Joubert, Claude Attard
+ */
+
+#include <gem.h>
+
+#include "../../events/SDL_sysevents.h"
+#include "../../events/SDL_events_c.h"
+#include "SDL_gemvideo.h"
+#include "SDL_gemevents_c.h"
+#include "../ataricommon/SDL_atarikeys.h" /* for keyboard scancodes */
+#include "../ataricommon/SDL_atarievents_c.h"
+#include "../ataricommon/SDL_xbiosevents_c.h"
+#include "../ataricommon/SDL_ataridevmouse_c.h"
+
+/* Variables */
+
+static unsigned char gem_currentkeyboard[ATARIBIOS_MAXKEYS];
+static unsigned char gem_previouskeyboard[ATARIBIOS_MAXKEYS];
+
+/* Functions prototypes */
+
+static int do_messages(_THIS, short *message);
+static void do_keyboard(short kc, short ks);
+static void do_mouse(_THIS, short mx, short my, short mb, short ks);
+
+/* Functions */
+
+void GEM_InitOSKeymap(_THIS)
+{
+ SDL_memset(gem_currentkeyboard, 0, sizeof(gem_currentkeyboard));
+ SDL_memset(gem_previouskeyboard, 0, sizeof(gem_previouskeyboard));
+
+ /* Mouse init */
+ GEM_mouse_relative = SDL_FALSE;
+
+ SDL_Atari_InitInternalKeymap(this);
+}
+
+void GEM_PumpEvents(_THIS)
+{
+ short mousex, mousey, mouseb, dummy;
+ short kstate, prevkc, prevks;
+ int i;
+ SDL_keysym keysym;
+
+ SDL_memset(gem_currentkeyboard,0,sizeof(gem_currentkeyboard));
+ prevkc = prevks = 0;
+
+ for (;;)
+ {
+ int quit, resultat, event_mask, mouse_event;
+ short buffer[8], kc;
+ short x2,y2,w2,h2;
+
+ quit =
+ mouse_event =
+ x2=y2=w2=h2 = 0;
+
+ event_mask = MU_MESAG|MU_TIMER|MU_KEYBD;
+ if (!GEM_fullscreen && (GEM_handle>=0)) {
+ wind_get (GEM_handle, WF_WORKXYWH, &x2, &y2, &w2, &h2);
+ event_mask |= MU_M1;
+ mouse_event = ( (SDL_GetAppState() & SDL_APPMOUSEFOCUS)
+ == SDL_APPMOUSEFOCUS) ? MO_LEAVE : MO_ENTER;
+ }
+
+ resultat = evnt_multi(
+ event_mask,
+ 0,0,0,
+ mouse_event,x2,y2,w2,h2,
+ 0,0,0,0,0,
+ buffer,
+ 10,
+ &dummy,&dummy,&dummy,&kstate,&kc,&dummy
+ );
+
+ /* Message event ? */
+ if (resultat & MU_MESAG)
+ quit = do_messages(this, buffer);
+
+ /* Keyboard event ? */
+ if (resultat & MU_KEYBD) {
+ if ((prevkc != kc) || (prevks != kstate)) {
+ do_keyboard(kc,kstate);
+ } else {
+ /* Avoid looping, if repeating same key */
+ break;
+ }
+ }
+
+ /* Mouse entering/leaving window */
+ if (resultat & MU_M1) {
+ if (this->input_grab == SDL_GRAB_OFF) {
+ /* Switch mouse focus state */
+ SDL_PrivateAppActive((mouse_event == MO_ENTER),
+ SDL_APPMOUSEFOCUS);
+ }
+ GEM_CheckMouseMode(this);
+ }
+
+ /* Timer event ? */
+ if ((resultat & MU_TIMER) || quit)
+ break;
+ }
+
+ /* Update mouse */
+ graf_mkstate(&mousex, &mousey, &mouseb, &kstate);
+ do_mouse(this, mousex, mousey, mouseb, kstate);
+
+ /* Now generate keyboard events */
+ for (i=0; i<ATARIBIOS_MAXKEYS; i++) {
+ /* Key pressed ? */
+ if (gem_currentkeyboard[i] && !gem_previouskeyboard[i])
+ SDL_PrivateKeyboard(SDL_PRESSED,
+ SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE));
+
+ /* Key unpressed ? */
+ if (gem_previouskeyboard[i] && !gem_currentkeyboard[i])
+ SDL_PrivateKeyboard(SDL_RELEASED,
+ SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE));
+ }
+
+ SDL_memcpy(gem_previouskeyboard,gem_currentkeyboard,sizeof(gem_previouskeyboard));
+
+ /* Refresh window name ? */
+ if (GEM_refresh_name) {
+ const char *window_name =
+ (SDL_GetAppState() & SDL_APPACTIVE)
+ ? GEM_title_name : GEM_icon_name;
+ if (window_name) {
+ wind_set(GEM_handle,WF_NAME,
+ (short)(((unsigned long)window_name)>>16),
+ (short)(((unsigned long)window_name) & 0xffff),
+ 0,0);
+ }
+ GEM_refresh_name = SDL_FALSE;
+ }
+}
+
+static int do_messages(_THIS, short *message)
+{
+ int quit, posted, check_mouse_mode;
+ short x2,y2,w2,h2;
+
+ quit = check_mouse_mode = 0;
+ switch (message[0]) {
+ case WM_CLOSED:
+ case AP_TERM:
+ posted = SDL_PrivateQuit();
+ quit=1;
+ break;
+ case WM_MOVED:
+ wind_set(message[3],WF_CURRXYWH,message[4],message[5],message[6],message[7]);
+ break;
+ case WM_TOPPED:
+ wind_set(message[3],WF_TOP,message[4],0,0,0);
+ /* Continue with TOP event processing */
+ case WM_ONTOP:
+ SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS);
+ if (VDI_setpalette) {
+ VDI_setpalette(this, VDI_curpalette);
+ }
+ check_mouse_mode = 1;
+ break;
+ case WM_REDRAW:
+ if (!GEM_lock_redraw) {
+ GEM_wind_redraw(this, message[3],&message[4]);
+ }
+ break;
+ case WM_ICONIFY:
+ case WM_ALLICONIFY:
+ wind_set(message[3],WF_ICONIFY,message[4],message[5],message[6],message[7]);
+ /* If we're active, make ourselves inactive */
+ if ( SDL_GetAppState() & SDL_APPACTIVE ) {
+ /* Send an internal deactivate event */
+ SDL_PrivateAppActive(0, SDL_APPACTIVE);
+ }
+ /* Update window title */
+ if (GEM_refresh_name && GEM_icon_name) {
+ wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_icon_name)>>16),(short)(((unsigned long)GEM_icon_name) & 0xffff),0,0);
+ GEM_refresh_name = SDL_FALSE;
+ }
+ check_mouse_mode = 1;
+ break;
+ case WM_UNICONIFY:
+ wind_set(message[3],WF_UNICONIFY,message[4],message[5],message[6],message[7]);
+ /* If we're not active, make ourselves active */
+ if ( !(SDL_GetAppState() & SDL_APPACTIVE) ) {
+ /* Send an internal activate event */
+ SDL_PrivateAppActive(1, SDL_APPACTIVE);
+ }
+ if (GEM_refresh_name && GEM_title_name) {
+ wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_title_name)>>16),(short)(((unsigned long)GEM_title_name) & 0xffff),0,0);
+ GEM_refresh_name = SDL_FALSE;
+ }
+ check_mouse_mode = 1;
+ break;
+ case WM_SIZED:
+ wind_set (message[3], WF_CURRXYWH, message[4], message[5], message[6], message[7]);
+ wind_get (message[3], WF_WORKXYWH, &x2, &y2, &w2, &h2);
+ GEM_win_fulled = SDL_FALSE; /* Cancel maximized flag */
+ GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers resized */
+ SDL_PrivateResize(w2, h2);
+ break;
+ case WM_FULLED:
+ {
+ short x,y,w,h;
+
+ if (GEM_win_fulled) {
+ wind_get (message[3], WF_PREVXYWH, &x, &y, &w, &h);
+ GEM_win_fulled = SDL_FALSE;
+ } else {
+ x = GEM_desk_x;
+ y = GEM_desk_y;
+ w = GEM_desk_w;
+ h = GEM_desk_h;
+ GEM_win_fulled = SDL_TRUE;
+ }
+ wind_set (message[3], WF_CURRXYWH, x, y, w, h);
+ wind_get (message[3], WF_WORKXYWH, &x2, &y2, &w2, &h2);
+ GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers resized */
+ SDL_PrivateResize(w2, h2);
+ }
+ break;
+ case WM_BOTTOMED:
+ wind_set(message[3],WF_BOTTOM,0,0,0,0);
+ /* Continue with BOTTOM event processing */
+ case WM_UNTOPPED:
+ SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS);
+ if (VDI_setpalette) {
+ VDI_setpalette(this, VDI_oldpalette);
+ }
+ check_mouse_mode = 1;
+ break;
+ }
+
+ if (check_mouse_mode) {
+ GEM_CheckMouseMode(this);
+ }
+
+ return quit;
+}
+
+static void do_keyboard(short kc, short ks)
+{
+ int scancode;
+
+ if (kc) {
+ scancode=(kc>>8) & (ATARIBIOS_MAXKEYS-1);
+ gem_currentkeyboard[scancode]=0xFF;
+ }
+
+ /* Read special keys */
+ if (ks & K_RSHIFT)
+ gem_currentkeyboard[SCANCODE_RIGHTSHIFT]=0xFF;
+ if (ks & K_LSHIFT)
+ gem_currentkeyboard[SCANCODE_LEFTSHIFT]=0xFF;
+ if (ks & K_CTRL)
+ gem_currentkeyboard[SCANCODE_LEFTCONTROL]=0xFF;
+ if (ks & K_ALT)
+ gem_currentkeyboard[SCANCODE_LEFTALT]=0xFF;
+}
+
+static void do_mouse(_THIS, short mx, short my, short mb, short ks)
+{
+ static short prevmousex=0, prevmousey=0, prevmouseb=0;
+ short x2, y2, w2, h2;
+
+ /* Don't return mouse events if out of window */
+ if ((SDL_GetAppState() & SDL_APPMOUSEFOCUS)==0) {
+ return;
+ }
+
+ /* Retrieve window coords, and generate mouse events accordingly */
+ x2 = y2 = 0;
+ w2 = VDI_w;
+ h2 = VDI_h;
+ if ((!GEM_fullscreen) && (GEM_handle>=0)) {
+ wind_get (GEM_handle, WF_WORKXYWH, &x2, &y2, &w2, &h2);
+
+ /* Do not generate mouse button event if out of window working area */
+ if ((mx<x2) || (mx>=x2+w2) || (my<y2) || (my>=y2+h2)) {
+ mb=prevmouseb;
+ }
+ }
+
+ /* Mouse motion ? */
+ if (GEM_mouse_relative) {
+ if (GEM_usedevmouse) {
+ SDL_AtariDevMouse_PostMouseEvents(this, SDL_FALSE);
+ } else {
+ SDL_AtariXbios_PostMouseEvents(this, SDL_FALSE);
+ }
+ } else {
+ if ((prevmousex!=mx) || (prevmousey!=my)) {
+ int posx, posy;
+
+ /* Give mouse position relative to window position */
+ posx = mx - x2;
+ if (posx<0) posx = 0;
+ if (posx>w2) posx = w2-1;
+ posy = my - y2;
+ if (posy<0) posy = 0;
+ if (posy>h2) posy = h2-1;
+
+ SDL_PrivateMouseMotion(0, 0, posx, posy);
+ }
+ prevmousex = mx;
+ prevmousey = my;
+ }
+
+ /* Mouse button ? */
+ if (prevmouseb!=mb) {
+ int i;
+
+ for (i=0;i<2;i++) {
+ int curbutton, prevbutton;
+
+ curbutton = mb & (1<<i);
+ prevbutton = prevmouseb & (1<<i);
+
+ if (curbutton && !prevbutton) {
+ SDL_PrivateMouseButton(SDL_PRESSED, i+1, 0, 0);
+ }
+ if (!curbutton && prevbutton) {
+ SDL_PrivateMouseButton(SDL_RELEASED, i+1, 0, 0);
+ }
+ }
+ prevmouseb = mb;
+ }
+
+ /* Read special keys */
+ if (ks & K_RSHIFT)
+ gem_currentkeyboard[SCANCODE_RIGHTSHIFT]=0xFF;
+ if (ks & K_LSHIFT)
+ gem_currentkeyboard[SCANCODE_LEFTSHIFT]=0xFF;
+ if (ks & K_CTRL)
+ gem_currentkeyboard[SCANCODE_LEFTCONTROL]=0xFF;
+ if (ks & K_ALT)
+ gem_currentkeyboard[SCANCODE_LEFTALT]=0xFF;
+}
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