diff options
Diffstat (limited to 'ui/sdl.c')
| -rw-r--r-- | ui/sdl.c | 879 |
1 files changed, 879 insertions, 0 deletions
diff --git a/ui/sdl.c b/ui/sdl.c new file mode 100644 index 0000000000..0072680f4c --- /dev/null +++ b/ui/sdl.c @@ -0,0 +1,879 @@ +/* + * QEMU SDL display driver + * + * Copyright (c) 2003 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include <SDL.h> +#include <SDL_syswm.h> + +#ifndef _WIN32 +#include <signal.h> +#endif + +#include "qemu-common.h" +#include "console.h" +#include "sysemu.h" +#include "x_keymap.h" +#include "sdl_zoom.h" + +static DisplayChangeListener *dcl; +static SDL_Surface *real_screen; +static SDL_Surface *guest_screen = NULL; +static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ +static int last_vm_running; +static int gui_saved_grab; +static int gui_fullscreen; +static int gui_noframe; +static int gui_key_modifier_pressed; +static int gui_keysym; +static int gui_fullscreen_initial_grab; +static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; +static uint8_t modifiers_state[256]; +static int width, height; +static SDL_Cursor *sdl_cursor_normal; +static SDL_Cursor *sdl_cursor_hidden; +static int absolute_enabled = 0; +static int guest_cursor = 0; +static int guest_x, guest_y; +static SDL_Cursor *guest_sprite = NULL; +static uint8_t allocator; +static SDL_PixelFormat host_format; +static int scaling_active = 0; +static Notifier mouse_mode_notifier; + +static void sdl_update(DisplayState *ds, int x, int y, int w, int h) +{ + // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h); + SDL_Rect rec; + rec.x = x; + rec.y = y; + rec.w = w; + rec.h = h; + + if (guest_screen) { + if (!scaling_active) { + SDL_BlitSurface(guest_screen, &rec, real_screen, &rec); + } else { + if (sdl_zoom_blit(guest_screen, real_screen, SMOOTHING_ON, &rec) < 0) { + fprintf(stderr, "Zoom blit failed\n"); + exit(1); + } + } + } + SDL_UpdateRect(real_screen, rec.x, rec.y, rec.w, rec.h); +} + +static void sdl_setdata(DisplayState *ds) +{ + SDL_Rect rec; + rec.x = 0; + rec.y = 0; + rec.w = real_screen->w; + rec.h = real_screen->h; + + if (guest_screen != NULL) SDL_FreeSurface(guest_screen); + + guest_screen = SDL_CreateRGBSurfaceFrom(ds_get_data(ds), ds_get_width(ds), ds_get_height(ds), + ds_get_bits_per_pixel(ds), ds_get_linesize(ds), + ds->surface->pf.rmask, ds->surface->pf.gmask, + ds->surface->pf.bmask, ds->surface->pf.amask); +} + +static void do_sdl_resize(int new_width, int new_height, int bpp) +{ + int flags; + + // printf("resizing to %d %d\n", w, h); + + flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL|SDL_RESIZABLE; + if (gui_fullscreen) + flags |= SDL_FULLSCREEN; + if (gui_noframe) + flags |= SDL_NOFRAME; + + width = new_width; + height = new_height; + real_screen = SDL_SetVideoMode(width, height, bpp, flags); + if (!real_screen) { + fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n", width, + height, bpp, SDL_GetError()); + exit(1); + } +} + +static void sdl_resize(DisplayState *ds) +{ + if (!allocator) { + if (!scaling_active) + do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0); + else if (real_screen->format->BitsPerPixel != ds_get_bits_per_pixel(ds)) + do_sdl_resize(real_screen->w, real_screen->h, ds_get_bits_per_pixel(ds)); + sdl_setdata(ds); + } else { + if (guest_screen != NULL) { + SDL_FreeSurface(guest_screen); + guest_screen = NULL; + } + } +} + +static PixelFormat sdl_to_qemu_pixelformat(SDL_PixelFormat *sdl_pf) +{ + PixelFormat qemu_pf; + + memset(&qemu_pf, 0x00, sizeof(PixelFormat)); + + qemu_pf.bits_per_pixel = sdl_pf->BitsPerPixel; + qemu_pf.bytes_per_pixel = sdl_pf->BytesPerPixel; + qemu_pf.depth = (qemu_pf.bits_per_pixel) == 32 ? 24 : (qemu_pf.bits_per_pixel); + + qemu_pf.rmask = sdl_pf->Rmask; + qemu_pf.gmask = sdl_pf->Gmask; + qemu_pf.bmask = sdl_pf->Bmask; + qemu_pf.amask = sdl_pf->Amask; + + qemu_pf.rshift = sdl_pf->Rshift; + qemu_pf.gshift = sdl_pf->Gshift; + qemu_pf.bshift = sdl_pf->Bshift; + qemu_pf.ashift = sdl_pf->Ashift; + + qemu_pf.rbits = 8 - sdl_pf->Rloss; + qemu_pf.gbits = 8 - sdl_pf->Gloss; + qemu_pf.bbits = 8 - sdl_pf->Bloss; + qemu_pf.abits = 8 - sdl_pf->Aloss; + + qemu_pf.rmax = ((1 << qemu_pf.rbits) - 1); + qemu_pf.gmax = ((1 << qemu_pf.gbits) - 1); + qemu_pf.bmax = ((1 << qemu_pf.bbits) - 1); + qemu_pf.amax = ((1 << qemu_pf.abits) - 1); + + return qemu_pf; +} + +static DisplaySurface* sdl_create_displaysurface(int width, int height) +{ + DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface)); + if (surface == NULL) { + fprintf(stderr, "sdl_create_displaysurface: malloc failed\n"); + exit(1); + } + + surface->width = width; + surface->height = height; + + if (scaling_active) { + if (host_format.BytesPerPixel != 2 && host_format.BytesPerPixel != 4) { + surface->linesize = width * 4; + surface->pf = qemu_default_pixelformat(32); + } else { + surface->linesize = width * host_format.BytesPerPixel; + surface->pf = sdl_to_qemu_pixelformat(&host_format); + } +#ifdef HOST_WORDS_BIGENDIAN + surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG; +#else + surface->flags = QEMU_ALLOCATED_FLAG; +#endif + surface->data = (uint8_t*) qemu_mallocz(surface->linesize * surface->height); + + return surface; + } + + if (host_format.BitsPerPixel == 16) + do_sdl_resize(width, height, 16); + else + do_sdl_resize(width, height, 32); + + surface->pf = sdl_to_qemu_pixelformat(real_screen->format); + surface->linesize = real_screen->pitch; + surface->data = real_screen->pixels; + +#ifdef HOST_WORDS_BIGENDIAN + surface->flags = QEMU_REALPIXELS_FLAG | QEMU_BIG_ENDIAN_FLAG; +#else + surface->flags = QEMU_REALPIXELS_FLAG; +#endif + allocator = 1; + + return surface; +} + +static void sdl_free_displaysurface(DisplaySurface *surface) +{ + allocator = 0; + if (surface == NULL) + return; + + if (surface->flags & QEMU_ALLOCATED_FLAG) + qemu_free(surface->data); + qemu_free(surface); +} + +static DisplaySurface* sdl_resize_displaysurface(DisplaySurface *surface, int width, int height) +{ + sdl_free_displaysurface(surface); + return sdl_create_displaysurface(width, height); +} + +/* generic keyboard conversion */ + +#include "sdl_keysym.h" + +static kbd_layout_t *kbd_layout = NULL; + +static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev) +{ + int keysym; + /* workaround for X11+SDL bug with AltGR */ + keysym = ev->keysym.sym; + if (keysym == 0 && ev->keysym.scancode == 113) + keysym = SDLK_MODE; + /* For Japanese key '\' and '|' */ + if (keysym == 92 && ev->keysym.scancode == 133) { + keysym = 0xa5; + } + return keysym2scancode(kbd_layout, keysym) & SCANCODE_KEYMASK; +} + +/* specific keyboard conversions from scan codes */ + +#if defined(_WIN32) + +static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) +{ + return ev->keysym.scancode; +} + +#else + +#if defined(SDL_VIDEO_DRIVER_X11) +#include <X11/XKBlib.h> + +static int check_for_evdev(void) +{ + SDL_SysWMinfo info; + XkbDescPtr desc = NULL; + int has_evdev = 0; + char *keycodes = NULL; + + SDL_VERSION(&info.version); + if (!SDL_GetWMInfo(&info)) { + return 0; + } + desc = XkbGetKeyboard(info.info.x11.display, + XkbGBN_AllComponentsMask, + XkbUseCoreKbd); + if (desc && desc->names) { + keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes); + if (keycodes == NULL) { + fprintf(stderr, "could not lookup keycode name\n"); + } else if (strstart(keycodes, "evdev", NULL)) { + has_evdev = 1; + } else if (!strstart(keycodes, "xfree86", NULL)) { + fprintf(stderr, "unknown keycodes `%s', please report to " + "qemu-devel@nongnu.org\n", keycodes); + } + } + + if (desc) { + XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True); + } + if (keycodes) { + XFree(keycodes); + } + return has_evdev; +} +#else +static int check_for_evdev(void) +{ + return 0; +} +#endif + +static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) +{ + int keycode; + static int has_evdev = -1; + + if (has_evdev == -1) + has_evdev = check_for_evdev(); + + keycode = ev->keysym.scancode; + + if (keycode < 9) { + keycode = 0; + } else if (keycode < 97) { + keycode -= 8; /* just an offset */ + } else if (keycode < 158) { + /* use conversion table */ + if (has_evdev) + keycode = translate_evdev_keycode(keycode - 97); + else + keycode = translate_xfree86_keycode(keycode - 97); + } else if (keycode == 208) { /* Hiragana_Katakana */ + keycode = 0x70; + } else if (keycode == 211) { /* backslash */ + keycode = 0x73; + } else { + keycode = 0; + } + return keycode; +} + +#endif + +static void reset_keys(void) +{ + int i; + for(i = 0; i < 256; i++) { + if (modifiers_state[i]) { + if (i & SCANCODE_GREY) + kbd_put_keycode(SCANCODE_EMUL0); + kbd_put_keycode(i | SCANCODE_UP); + modifiers_state[i] = 0; + } + } +} + +static void sdl_process_key(SDL_KeyboardEvent *ev) +{ + int keycode, v; + + if (ev->keysym.sym == SDLK_PAUSE) { + /* specific case */ + v = 0; + if (ev->type == SDL_KEYUP) + v |= SCANCODE_UP; + kbd_put_keycode(0xe1); + kbd_put_keycode(0x1d | v); + kbd_put_keycode(0x45 | v); + return; + } + + if (kbd_layout) { + keycode = sdl_keyevent_to_keycode_generic(ev); + } else { + keycode = sdl_keyevent_to_keycode(ev); + } + + switch(keycode) { + case 0x00: + /* sent when leaving window: reset the modifiers state */ + reset_keys(); + return; + case 0x2a: /* Left Shift */ + case 0x36: /* Right Shift */ + case 0x1d: /* Left CTRL */ + case 0x9d: /* Right CTRL */ + case 0x38: /* Left ALT */ + case 0xb8: /* Right ALT */ + if (ev->type == SDL_KEYUP) + modifiers_state[keycode] = 0; + else + modifiers_state[keycode] = 1; + break; + case 0x45: /* num lock */ + case 0x3a: /* caps lock */ + /* SDL does not send the key up event, so we generate it */ + kbd_put_keycode(keycode); + kbd_put_keycode(keycode | SCANCODE_UP); + return; + } + + /* now send the key code */ + if (keycode & SCANCODE_GREY) + kbd_put_keycode(SCANCODE_EMUL0); + if (ev->type == SDL_KEYUP) + kbd_put_keycode(keycode | SCANCODE_UP); + else + kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); +} + +static void sdl_update_caption(void) +{ + char win_title[1024]; + char icon_title[1024]; + const char *status = ""; + + if (!vm_running) + status = " [Stopped]"; + else if (gui_grab) { + if (alt_grab) + status = " - Press Ctrl-Alt-Shift to exit mouse grab"; + else if (ctrl_grab) + status = " - Press Right-Ctrl to exit mouse grab"; + else + status = " - Press Ctrl-Alt to exit mouse grab"; + } + + if (qemu_name) { + snprintf(win_title, sizeof(win_title), "QEMU (%s)%s", qemu_name, status); + snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); + } else { + snprintf(win_title, sizeof(win_title), "QEMU%s", status); + snprintf(icon_title, sizeof(icon_title), "QEMU"); + } + + SDL_WM_SetCaption(win_title, icon_title); +} + +static void sdl_hide_cursor(void) +{ + if (!cursor_hide) + return; + + if (kbd_mouse_is_absolute()) { + SDL_ShowCursor(1); + SDL_SetCursor(sdl_cursor_hidden); + } else { + SDL_ShowCursor(0); + } +} + +static void sdl_show_cursor(void) +{ + if (!cursor_hide) + return; + + if (!kbd_mouse_is_absolute()) { + SDL_ShowCursor(1); + if (guest_cursor && + (gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) + SDL_SetCursor(guest_sprite); + else + SDL_SetCursor(sdl_cursor_normal); + } +} + +static void sdl_grab_start(void) +{ + if (guest_cursor) { + SDL_SetCursor(guest_sprite); + if (!kbd_mouse_is_absolute() && !absolute_enabled) + SDL_WarpMouse(guest_x, guest_y); + } else + sdl_hide_cursor(); + + if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) { + gui_grab = 1; + sdl_update_caption(); + } else + sdl_show_cursor(); +} + +static void sdl_grab_end(void) +{ + SDL_WM_GrabInput(SDL_GRAB_OFF); + gui_grab = 0; + sdl_show_cursor(); + sdl_update_caption(); +} + +static void sdl_mouse_mode_change(Notifier *notify) +{ + if (kbd_mouse_is_absolute()) { + if (!absolute_enabled) { + sdl_hide_cursor(); + if (gui_grab) { + sdl_grab_end(); + } + absolute_enabled = 1; + } + } else if (absolute_enabled) { + sdl_show_cursor(); + absolute_enabled = 0; + } +} + +static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state) +{ + int buttons; + buttons = 0; + if (state & SDL_BUTTON(SDL_BUTTON_LEFT)) + buttons |= MOUSE_EVENT_LBUTTON; + if (state & SDL_BUTTON(SDL_BUTTON_RIGHT)) + buttons |= MOUSE_EVENT_RBUTTON; + if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE)) + buttons |= MOUSE_EVENT_MBUTTON; + + if (kbd_mouse_is_absolute()) { + dx = x * 0x7FFF / (width - 1); + dy = y * 0x7FFF / (height - 1); + } else if (guest_cursor) { + x -= guest_x; + y -= guest_y; + guest_x += x; + guest_y += y; + dx = x; + dy = y; + } + + kbd_mouse_event(dx, dy, dz, buttons); +} + +static void toggle_full_screen(DisplayState *ds) +{ + gui_fullscreen = !gui_fullscreen; + do_sdl_resize(real_screen->w, real_screen->h, real_screen->format->BitsPerPixel); + if (gui_fullscreen) { + scaling_active = 0; + gui_saved_grab = gui_grab; + sdl_grab_start(); + } else { + if (!gui_saved_grab) + sdl_grab_end(); + } + vga_hw_invalidate(); + vga_hw_update(); +} + +static void sdl_refresh(DisplayState *ds) +{ + SDL_Event ev1, *ev = &ev1; + int mod_state; + int buttonstate = SDL_GetMouseState(NULL, NULL); + + if (last_vm_running != vm_running) { + last_vm_running = vm_running; + sdl_update_caption(); + } + + vga_hw_update(); + SDL_EnableUNICODE(!is_graphic_console()); + + while (SDL_PollEvent(ev)) { + switch (ev->type) { + case SDL_VIDEOEXPOSE: + sdl_update(ds, 0, 0, real_screen->w, real_screen->h); + break; + case SDL_KEYDOWN: + case SDL_KEYUP: + if (ev->type == SDL_KEYDOWN) { + if (alt_grab) { + mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) == + (gui_grab_code | KMOD_LSHIFT); + } else if (ctrl_grab) { + mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL; + } else { + mod_state = (SDL_GetModState() & gui_grab_code) == + gui_grab_code; + } + gui_key_modifier_pressed = mod_state; + if (gui_key_modifier_pressed) { + int keycode; + keycode = sdl_keyevent_to_keycode(&ev->key); + switch(keycode) { + case 0x21: /* 'f' key on US keyboard */ + toggle_full_screen(ds); + gui_keysym = 1; + break; + case 0x16: /* 'u' key on US keyboard */ + scaling_active = 0; + sdl_resize(ds); + vga_hw_invalidate(); + vga_hw_update(); + break; + case 0x02 ... 0x0a: /* '1' to '9' keys */ + /* Reset the modifiers sent to the current console */ + reset_keys(); + console_select(keycode - 0x02); + if (!is_graphic_console()) { + /* display grab if going to a text console */ + if (gui_grab) + sdl_grab_end(); + } + gui_keysym = 1; + break; + default: + break; + } + } else if (!is_graphic_console()) { + int keysym; + keysym = 0; + if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) { + switch(ev->key.keysym.sym) { + case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break; + case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break; + case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break; + case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break; + case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break; + case SDLK_END: keysym = QEMU_KEY_CTRL_END; break; + case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break; + case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break; + default: break; + } + } else { + switch(ev->key.keysym.sym) { + case SDLK_UP: keysym = QEMU_KEY_UP; break; + case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break; + case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break; + case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break; + case SDLK_HOME: keysym = QEMU_KEY_HOME; break; + case SDLK_END: keysym = QEMU_KEY_END; break; + case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break; + case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break; + case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; + case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break; + default: break; + } + } + if (keysym) { + kbd_put_keysym(keysym); + } else if (ev->key.keysym.unicode != 0) { + kbd_put_keysym(ev->key.keysym.unicode); + } + } + } else if (ev->type == SDL_KEYUP) { + if (!alt_grab) { + mod_state = (ev->key.keysym.mod & gui_grab_code); + } else { + mod_state = (ev->key.keysym.mod & + (gui_grab_code | KMOD_LSHIFT)); + } + if (!mod_state) { + if (gui_key_modifier_pressed) { + gui_key_modifier_pressed = 0; + if (gui_keysym == 0) { + /* exit/enter grab if pressing Ctrl-Alt */ + if (!gui_grab) { + /* if the application is not active, + do not try to enter grab state. It + prevents + 'SDL_WM_GrabInput(SDL_GRAB_ON)' + from blocking all the application + (SDL bug). */ + if (SDL_GetAppState() & SDL_APPACTIVE) + sdl_grab_start(); + } else { + sdl_grab_end(); + } + /* SDL does not send back all the + modifiers key, so we must correct it */ + reset_keys(); + break; + } + gui_keysym = 0; + } + } + } + if (is_graphic_console() && !gui_keysym) + sdl_process_key(&ev->key); + break; + case SDL_QUIT: + if (!no_quit) + qemu_system_shutdown_request(); + break; + case SDL_MOUSEMOTION: + if (gui_grab || kbd_mouse_is_absolute() || + absolute_enabled) { + sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0, + ev->motion.x, ev->motion.y, ev->motion.state); + } + break; + case SDL_MOUSEBUTTONDOWN: + case SDL_MOUSEBUTTONUP: + { + SDL_MouseButtonEvent *bev = &ev->button; + if (!gui_grab && !kbd_mouse_is_absolute()) { + if (ev->type == SDL_MOUSEBUTTONDOWN && + (bev->button == SDL_BUTTON_LEFT)) { + /* start grabbing all events */ + sdl_grab_start(); + } + } else { + int dz; + dz = 0; + if (ev->type == SDL_MOUSEBUTTONDOWN) { + buttonstate |= SDL_BUTTON(bev->button); + } else { + buttonstate &= ~SDL_BUTTON(bev->button); + } +#ifdef SDL_BUTTON_WHEELUP + if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) { + dz = -1; + } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) { + dz = 1; + } +#endif + sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate); + } + } + break; + case SDL_ACTIVEEVENT: + if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS && + !ev->active.gain && !gui_fullscreen_initial_grab) { + sdl_grab_end(); + } + if (ev->active.state & SDL_APPACTIVE) { + if (ev->active.gain) { + /* Back to default interval */ + dcl->gui_timer_interval = 0; + dcl->idle = 0; + } else { + /* Sleeping interval */ + dcl->gui_timer_interval = 500; + dcl->idle = 1; + } + } + break; + case SDL_VIDEORESIZE: + { + SDL_ResizeEvent *rev = &ev->resize; + int bpp = real_screen->format->BitsPerPixel; + if (bpp != 16 && bpp != 32) + bpp = 32; + do_sdl_resize(rev->w, rev->h, bpp); + scaling_active = 1; + if (!is_buffer_shared(ds->surface)) { + ds->surface = qemu_resize_displaysurface(ds, ds_get_width(ds), ds_get_height(ds)); + dpy_resize(ds); + } + vga_hw_invalidate(); + vga_hw_update(); + break; + } + default: + break; + } + } +} + +static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c) +{ + SDL_Rect dst = { x, y, w, h }; + SDL_FillRect(real_screen, &dst, c); +} + +static void sdl_mouse_warp(int x, int y, int on) +{ + if (on) { + if (!guest_cursor) + sdl_show_cursor(); + if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) { + SDL_SetCursor(guest_sprite); + if (!kbd_mouse_is_absolute() && !absolute_enabled) + SDL_WarpMouse(x, y); + } + } else if (gui_grab) + sdl_hide_cursor(); + guest_cursor = on; + guest_x = x, guest_y = y; +} + +static void sdl_mouse_define(QEMUCursor *c) +{ + uint8_t *image, *mask; + int bpl; + + if (guest_sprite) + SDL_FreeCursor(guest_sprite); + + bpl = cursor_get_mono_bpl(c); + image = qemu_mallocz(bpl * c->height); + mask = qemu_mallocz(bpl * c->height); + cursor_get_mono_image(c, 0x000000, image); + cursor_get_mono_mask(c, 0, mask); + guest_sprite = SDL_CreateCursor(image, mask, c->width, c->height, + c->hot_x, c->hot_y); + qemu_free(image); + qemu_free(mask); + + if (guest_cursor && + (gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) + SDL_SetCursor(guest_sprite); +} + +static void sdl_cleanup(void) +{ + if (guest_sprite) + SDL_FreeCursor(guest_sprite); + SDL_QuitSubSystem(SDL_INIT_VIDEO); +} + +void sdl_display_init(DisplayState *ds, int full_screen, int no_frame) +{ + int flags; + uint8_t data = 0; + DisplayAllocator *da; + const SDL_VideoInfo *vi; + +#if defined(__APPLE__) + /* always use generic keymaps */ + if (!keyboard_layout) + keyboard_layout = "en-us"; +#endif + if(keyboard_layout) { + kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); + if (!kbd_layout) + exit(1); + } + + if (no_frame) + gui_noframe = 1; + + if (!full_screen) { + setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0); + } + + flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; + if (SDL_Init (flags)) { + fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", + SDL_GetError()); + exit(1); + } + vi = SDL_GetVideoInfo(); + host_format = *(vi->vfmt); + + dcl = qemu_mallocz(sizeof(DisplayChangeListener)); + dcl->dpy_update = sdl_update; + dcl->dpy_resize = sdl_resize; + dcl->dpy_refresh = sdl_refresh; + dcl->dpy_setdata = sdl_setdata; + dcl->dpy_fill = sdl_fill; + ds->mouse_set = sdl_mouse_warp; + ds->cursor_define = sdl_mouse_define; + register_displaychangelistener(ds, dcl); + + da = qemu_mallocz(sizeof(DisplayAllocator)); + da->create_displaysurface = sdl_create_displaysurface; + da->resize_displaysurface = sdl_resize_displaysurface; + da->free_displaysurface = sdl_free_displaysurface; + if (register_displayallocator(ds, da) == da) { + dpy_resize(ds); + } + + mouse_mode_notifier.notify = sdl_mouse_mode_change; + qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); + + sdl_update_caption(); + SDL_EnableKeyRepeat(250, 50); + gui_grab = 0; + + sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); + sdl_cursor_normal = SDL_GetCursor(); + + atexit(sdl_cleanup); + if (full_screen) { + gui_fullscreen = 1; + gui_fullscreen_initial_grab = 1; + sdl_grab_start(); + } +} |