/* * 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 #ifndef _WIN32 #include #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; 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 const uint8_t x_keycode_to_pc_keycode[61] = { 0xc7, /* 97 Home */ 0xc8, /* 98 Up */ 0xc9, /* 99 PgUp */ 0xcb, /* 100 Left */ 0x4c, /* 101 KP-5 */ 0xcd, /* 102 Right */ 0xcf, /* 103 End */ 0xd0, /* 104 Down */ 0xd1, /* 105 PgDn */ 0xd2, /* 106 Ins */ 0xd3, /* 107 Del */ 0x9c, /* 108 Enter */ 0x9d, /* 109 Ctrl-R */ 0x0, /* 110 Pause */ 0xb7, /* 111 Print */ 0xb5, /* 112 Divide */ 0xb8, /* 113 Alt-R */ 0xc6, /* 114 Break */ 0x0, /* 115 */ 0x0, /* 116 */ 0x0, /* 117 */ 0x0, /* 118 */ 0x0, /* 119 */ 0x70, /* 120 Hiragana_Katakana */ 0x0, /* 121 */ 0x0, /* 122 */ 0x73, /* 123 backslash */ 0x0, /* 124 */ 0x0, /* 125 */ 0x0, /* 126 */ 0x0, /* 127 */ 0x0, /* 128 */ 0x79, /* 129 Henkan */ 0x0, /* 130 */ 0x7b, /* 131 Muhenkan */ 0x0, /* 132 */ 0x7d, /* 133 Yen */ 0x0, /* 134 */ 0x0, /* 135 */ 0x47, /* 136 KP_7 */ 0x48, /* 137 KP_8 */ 0x49, /* 138 KP_9 */ 0x4b, /* 139 KP_4 */ 0x4c, /* 140 KP_5 */ 0x4d, /* 141 KP_6 */ 0x4f, /* 142 KP_1 */ 0x50, /* 143 KP_2 */ 0x51, /* 144 KP_3 */ 0x52, /* 145 KP_0 */ 0x53, /* 146 KP_. */ 0x47, /* 147 KP_HOME */ 0x48, /* 148 KP_UP */ 0x49, /* 149 KP_PgUp */ 0x4b, /* 150 KP_Left */ 0x4c, /* 151 KP_ */ 0x4d, /* 152 KP_Right */ 0x4f, /* 153 KP_End */ 0x50, /* 154 KP_Down */ 0x51, /* 155 KP_PgDn */ 0x52, /* 156 KP_Ins */ 0x53, /* 157 KP_Del */ }; 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 < 158) { /* use conversion table */ keycode = x_keycode_to_pc_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); } } 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; } 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 */ 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) 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()) sdl_process_key(&ev->key); break; case SDL_QUIT: qemu_system_shutdown_request(); break; case SDL_MOUSEMOTION: if (gui_grab || kbd_mouse_is_absolute()) { 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(); } }