| /* |
| * 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 "vl.h" |
| |
| #include <SDL.h> |
| |
| #ifndef _WIN32 |
| #include <signal.h> |
| #endif |
| |
| static SDL_Surface *screen; |
| 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_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 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_UpdateRect(screen, x, y, w, h); |
| } |
| |
| static void sdl_resize(DisplayState *ds, int w, int h) |
| { |
| int flags; |
| |
| // printf("resizing to %d %d\n", w, h); |
| |
| flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL; |
| if (gui_fullscreen) |
| flags |= SDL_FULLSCREEN; |
| |
| width = w; |
| height = h; |
| |
| again: |
| screen = SDL_SetVideoMode(w, h, 0, flags); |
| if (!screen) { |
| fprintf(stderr, "Could not open SDL display\n"); |
| exit(1); |
| } |
| if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) { |
| flags &= ~SDL_HWSURFACE; |
| goto again; |
| } |
| |
| if (!screen->pixels) { |
| fprintf(stderr, "Could not open SDL display\n"); |
| exit(1); |
| } |
| ds->data = screen->pixels; |
| ds->linesize = screen->pitch; |
| ds->depth = screen->format->BitsPerPixel; |
| if (ds->depth == 32 && screen->format->Rshift == 0) { |
| ds->bgr = 1; |
| } else { |
| ds->bgr = 0; |
| } |
| ds->width = w; |
| ds->height = h; |
| } |
| |
| /* generic keyboard conversion */ |
| |
| #include "sdl_keysym.h" |
| #include "keymaps.c" |
| |
| 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); |
| } |
| |
| /* 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 |
| |
| static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
| { |
| int keycode; |
| |
| keycode = ev->keysym.scancode; |
| |
| if (keycode < 9) { |
| keycode = 0; |
| } else if (keycode < 97) { |
| keycode -= 8; /* just an offset */ |
| } else if (keycode < 212) { |
| /* use conversion table */ |
| keycode = _translate_keycode(keycode - 97); |
| } 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 & 0x80) |
| kbd_put_keycode(0xe0); |
| kbd_put_keycode(i | 0x80); |
| 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 |= 0x80; |
| 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 | 0x80); |
| return; |
| } |
| |
| /* now send the key code */ |
| if (keycode & 0x80) |
| kbd_put_keycode(0xe0); |
| if (ev->type == SDL_KEYUP) |
| kbd_put_keycode(keycode | 0x80); |
| else |
| kbd_put_keycode(keycode & 0x7f); |
| } |
| |
| static void sdl_update_caption(void) |
| { |
| char buf[1024]; |
| strcpy(buf, "QEMU"); |
| if (!vm_running) { |
| strcat(buf, " [Stopped]"); |
| } |
| if (gui_grab) { |
| strcat(buf, " - Press Ctrl-Alt to exit grab"); |
| } |
| SDL_WM_SetCaption(buf, "QEMU"); |
| } |
| |
| static void sdl_hide_cursor(void) |
| { |
| if (kbd_mouse_is_absolute()) { |
| SDL_ShowCursor(1); |
| SDL_SetCursor(sdl_cursor_hidden); |
| } else { |
| SDL_ShowCursor(0); |
| } |
| } |
| |
| static void sdl_show_cursor(void) |
| { |
| if (!kbd_mouse_is_absolute()) { |
| SDL_ShowCursor(1); |
| SDL_SetCursor(sdl_cursor_normal); |
| } |
| } |
| |
| static void sdl_grab_start(void) |
| { |
| sdl_hide_cursor(); |
| SDL_WM_GrabInput(SDL_GRAB_ON); |
| /* dummy read to avoid moving the mouse */ |
| SDL_GetRelativeMouseState(NULL, NULL); |
| gui_grab = 1; |
| sdl_update_caption(); |
| } |
| |
| static void sdl_grab_end(void) |
| { |
| SDL_WM_GrabInput(SDL_GRAB_OFF); |
| sdl_show_cursor(); |
| gui_grab = 0; |
| sdl_update_caption(); |
| } |
| |
| static void sdl_send_mouse_event(int dz) |
| { |
| int dx, dy, state, buttons; |
| state = SDL_GetRelativeMouseState(&dx, &dy); |
| 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; |
| } |
| |
| SDL_GetMouseState(&dx, &dy); |
| dx = dx * 0x7FFF / width; |
| dy = dy * 0x7FFF / height; |
| } else if (absolute_enabled) { |
| sdl_show_cursor(); |
| absolute_enabled = 0; |
| } |
| |
| kbd_mouse_event(dx, dy, dz, buttons); |
| } |
| |
| static void toggle_full_screen(DisplayState *ds) |
| { |
| gui_fullscreen = !gui_fullscreen; |
| sdl_resize(ds, screen->w, screen->h); |
| if (gui_fullscreen) { |
| 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; |
| |
| if (last_vm_running != vm_running) { |
| last_vm_running = vm_running; |
| sdl_update_caption(); |
| } |
| |
| vga_hw_update(); |
| |
| while (SDL_PollEvent(ev)) { |
| switch (ev->type) { |
| case SDL_VIDEOEXPOSE: |
| sdl_update(ds, 0, 0, screen->w, screen->h); |
| break; |
| case SDL_KEYDOWN: |
| case SDL_KEYUP: |
| if (ev->type == SDL_KEYDOWN) { |
| 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 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) { |
| mod_state = (ev->key.keysym.mod & gui_grab_code); |
| 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(0); |
| } |
| 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->state & SDL_BUTTON_LMASK)) { |
| /* start grabbing all events */ |
| sdl_grab_start(); |
| } |
| } else { |
| int dz; |
| dz = 0; |
| #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(dz); |
| } |
| } |
| break; |
| case SDL_ACTIVEEVENT: |
| if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS && |
| !ev->active.gain && !gui_fullscreen_initial_grab) { |
| sdl_grab_end(); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| static void sdl_cleanup(void) |
| { |
| SDL_Quit(); |
| } |
| |
| void sdl_display_init(DisplayState *ds, int full_screen) |
| { |
| int flags; |
| uint8_t data = 0; |
| |
| #if defined(__APPLE__) |
| /* always use generic keymaps */ |
| if (!keyboard_layout) |
| keyboard_layout = "en-us"; |
| #endif |
| if(keyboard_layout) { |
| kbd_layout = init_keyboard_layout(keyboard_layout); |
| if (!kbd_layout) |
| exit(1); |
| } |
| |
| flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; |
| if (SDL_Init (flags)) { |
| fprintf(stderr, "Could not initialize SDL - exiting\n"); |
| exit(1); |
| } |
| #ifndef _WIN32 |
| /* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */ |
| signal(SIGINT, SIG_DFL); |
| signal(SIGQUIT, SIG_DFL); |
| #endif |
| |
| ds->dpy_update = sdl_update; |
| ds->dpy_resize = sdl_resize; |
| ds->dpy_refresh = sdl_refresh; |
| |
| sdl_resize(ds, 640, 400); |
| sdl_update_caption(); |
| SDL_EnableKeyRepeat(250, 50); |
| SDL_EnableUNICODE(1); |
| 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(); |
| } |
| } |
