/* * 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 #if defined(__APPLE__) #define CONFIG_SDL_GENERIC_KBD #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 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; flags |= SDL_RESIZABLE; if (gui_fullscreen) flags |= SDL_FULLSCREEN; screen = SDL_SetVideoMode(w, h, 0, flags); if (!screen) { fprintf(stderr, "Could not open SDL display\n"); exit(1); } ds->data = screen->pixels; ds->linesize = screen->pitch; ds->depth = screen->format->BitsPerPixel; ds->width = w; ds->height = h; } #ifdef CONFIG_SDL_GENERIC_KBD /* XXX: use keymap tables defined in the VNC patch because the following code suppose you have a US keyboard. */ static const uint8_t scancodes[SDLK_LAST] = { [SDLK_ESCAPE] = 0x01, [SDLK_1] = 0x02, [SDLK_2] = 0x03, [SDLK_3] = 0x04, [SDLK_4] = 0x05, [SDLK_5] = 0x06, [SDLK_6] = 0x07, [SDLK_7] = 0x08, [SDLK_8] = 0x09, [SDLK_9] = 0x0a, [SDLK_0] = 0x0b, [SDLK_MINUS] = 0x0c, [SDLK_EQUALS] = 0x0d, [SDLK_BACKSPACE] = 0x0e, [SDLK_TAB] = 0x0f, [SDLK_q] = 0x10, [SDLK_w] = 0x11, [SDLK_e] = 0x12, [SDLK_r] = 0x13, [SDLK_t] = 0x14, [SDLK_y] = 0x15, [SDLK_u] = 0x16, [SDLK_i] = 0x17, [SDLK_o] = 0x18, [SDLK_p] = 0x19, [SDLK_LEFTBRACKET] = 0x1a, [SDLK_RIGHTBRACKET] = 0x1b, [SDLK_RETURN] = 0x1c, [SDLK_LCTRL] = 0x1d, [SDLK_a] = 0x1e, [SDLK_s] = 0x1f, [SDLK_d] = 0x20, [SDLK_f] = 0x21, [SDLK_g] = 0x22, [SDLK_h] = 0x23, [SDLK_j] = 0x24, [SDLK_k] = 0x25, [SDLK_l] = 0x26, [SDLK_SEMICOLON] = 0x27, [SDLK_QUOTE] = 0x28, [SDLK_BACKQUOTE] = 0x29, [SDLK_LSHIFT] = 0x2a, [SDLK_BACKSLASH] = 0x2b, [SDLK_z] = 0x2c, [SDLK_x] = 0x2d, [SDLK_c] = 0x2e, [SDLK_v] = 0x2f, [SDLK_b] = 0x30, [SDLK_n] = 0x31, [SDLK_m] = 0x32, [SDLK_COMMA] = 0x33, [SDLK_PERIOD] = 0x34, [SDLK_SLASH] = 0x35, [SDLK_KP_MULTIPLY] = 0x37, [SDLK_LALT] = 0x38, [SDLK_SPACE] = 0x39, [SDLK_CAPSLOCK] = 0x3a, [SDLK_F1] = 0x3b, [SDLK_F2] = 0x3c, [SDLK_F3] = 0x3d, [SDLK_F4] = 0x3e, [SDLK_F5] = 0x3f, [SDLK_F6] = 0x40, [SDLK_F7] = 0x41, [SDLK_F8] = 0x42, [SDLK_F9] = 0x43, [SDLK_F10] = 0x44, [SDLK_NUMLOCK] = 0x45, [SDLK_SCROLLOCK] = 0x46, [SDLK_KP7] = 0x47, [SDLK_KP8] = 0x48, [SDLK_KP9] = 0x49, [SDLK_KP_MINUS] = 0x4a, [SDLK_KP4] = 0x4b, [SDLK_KP5] = 0x4c, [SDLK_KP6] = 0x4d, [SDLK_KP_PLUS] = 0x4e, [SDLK_KP1] = 0x4f, [SDLK_KP2] = 0x50, [SDLK_KP3] = 0x51, [SDLK_KP0] = 0x52, [SDLK_KP_PERIOD] = 0x53, [SDLK_PRINT] = 0x54, [SDLK_LMETA] = 0x56, [SDLK_KP_ENTER] = 0x9c, [SDLK_KP_DIVIDE] = 0xb5, [SDLK_UP] = 0xc8, [SDLK_DOWN] = 0xd0, [SDLK_RIGHT] = 0xcd, [SDLK_LEFT] = 0xcb, [SDLK_INSERT] = 0xd2, [SDLK_HOME] = 0xc7, [SDLK_END] = 0xcf, [SDLK_PAGEUP] = 0xc9, [SDLK_PAGEDOWN] = 0xd1, [SDLK_DELETE] = 0xd3, }; static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) { return scancodes[ev->keysym.sym]; } #elif 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; } /* XXX: not portable, but avoids complicated mappings */ 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_grab_start(void) { SDL_ShowCursor(0); 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_ShowCursor(1); gui_grab = 0; sdl_update_caption(); } static void sdl_send_mouse_event(void) { int dx, dy, dz, 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; /* XXX: test wheel */ dz = 0; #ifdef SDL_BUTTON_WHEELUP if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP)) dz--; if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN)) dz++; #endif 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_invalidate_display(); vga_update_display(); } 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(); } if (is_active_console(vga_console)) vga_update_display(); 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_active_console(vga_console)) { /* tell the vga console to redisplay itself */ vga_invalidate_display(); } else { /* display grab if going to a text console */ if (gui_grab) sdl_grab_end(); } gui_keysym = 1; break; default: break; } } else if (!is_active_console(vga_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) { 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_key_modifier_pressed = 0; gui_keysym = 0; } } } if (is_active_console(vga_console)) sdl_process_key(&ev->key); break; case SDL_QUIT: qemu_system_shutdown_request(); break; case SDL_MOUSEMOTION: if (gui_grab) { sdl_send_mouse_event(); } break; case SDL_MOUSEBUTTONDOWN: case SDL_MOUSEBUTTONUP: { SDL_MouseButtonEvent *bev = &ev->button; if (!gui_grab) { if (ev->type == SDL_MOUSEBUTTONDOWN && (bev->state & SDL_BUTTON_LMASK)) { /* start grabbing all events */ sdl_grab_start(); } } else { sdl_send_mouse_event(); } } break; case SDL_ACTIVEEVENT: if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0 && !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; 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; atexit(sdl_cleanup); if (full_screen) { gui_fullscreen = 1; gui_fullscreen_initial_grab = 1; sdl_grab_start(); } }