diff options
Diffstat (limited to 'sdl.c')
| -rw-r--r-- | sdl.c | 570 |
1 files changed, 0 insertions, 570 deletions
@@ -1,570 +0,0 @@ -/* - * 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 rotation) -{ - 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, 16, 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, 0); - 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) { - /* 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()) - 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, 0); - sdl_resize(ds, 240, 320, 0); - 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(); - } -} |