| /* |
| * 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 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\n"); |
| 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_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()) { |
| if (!absolute_enabled) { |
| sdl_hide_cursor(); |
| if (gui_grab) { |
| sdl_grab_end(); |
| } |
| absolute_enabled = 1; |
| } |
| |
| dx = x * 0x7FFF / (width - 1); |
| dy = y * 0x7FFF / (height - 1); |
| } else if (absolute_enabled) { |
| sdl_show_cursor(); |
| absolute_enabled = 0; |
| } 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(int width, int height, int bpp, |
| int hot_x, int hot_y, |
| uint8_t *image, uint8_t *mask) |
| { |
| uint8_t sprite[256], *line; |
| int x, y, dst, bypl, src = 0; |
| if (guest_sprite) |
| SDL_FreeCursor(guest_sprite); |
| |
| memset(sprite, 0, 256); |
| bypl = ((width * bpp + 31) >> 5) << 2; |
| for (y = 0, dst = 0; y < height; y ++, image += bypl) { |
| line = image; |
| for (x = 0; x < width; x ++, dst ++) { |
| switch (bpp) { |
| case 32: |
| src = *(line ++); src |= *(line ++); src |= *(line ++); line++; |
| break; |
| case 24: |
| src = *(line ++); src |= *(line ++); src |= *(line ++); |
| break; |
| case 16: |
| case 15: |
| src = *(line ++); src |= *(line ++); |
| break; |
| case 8: |
| src = *(line ++); |
| break; |
| case 4: |
| src = 0xf & (line[x >> 1] >> ((x & 1)) << 2); |
| break; |
| case 2: |
| src = 3 & (line[x >> 2] >> ((x & 3)) << 1); |
| break; |
| case 1: |
| src = 1 & (line[x >> 3] >> (x & 7)); |
| break; |
| } |
| if (!src) |
| sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3]; |
| } |
| } |
| guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y); |
| |
| 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; |
| |
| 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); |
| } |
| |
| 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(); |
| } |
| } |
