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0f0b7264 FB |
1 | /* |
2 | * QEMU SDL display driver | |
3 | * | |
4 | * Copyright (c) 2003 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
67b915a5 | 24 | #include "vl.h" |
0f0b7264 FB |
25 | |
26 | #include <SDL.h> | |
27 | ||
67b915a5 FB |
28 | #ifndef _WIN32 |
29 | #include <signal.h> | |
30 | #endif | |
0f0b7264 FB |
31 | |
32 | static SDL_Surface *screen; | |
33 | static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ | |
8a7ddc38 | 34 | static int last_vm_running; |
8e9c4afe FB |
35 | static int gui_saved_grab; |
36 | static int gui_fullscreen; | |
37 | static int gui_key_modifier_pressed; | |
38 | static int gui_keysym; | |
0f0b7264 FB |
39 | |
40 | static void sdl_update(DisplayState *ds, int x, int y, int w, int h) | |
41 | { | |
898712a8 | 42 | // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h); |
0f0b7264 FB |
43 | SDL_UpdateRect(screen, x, y, w, h); |
44 | } | |
45 | ||
46 | static void sdl_resize(DisplayState *ds, int w, int h) | |
47 | { | |
48 | int flags; | |
49 | ||
50 | // printf("resizing to %d %d\n", w, h); | |
51 | ||
52 | flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL; | |
53 | flags |= SDL_RESIZABLE; | |
8e9c4afe FB |
54 | if (gui_fullscreen) |
55 | flags |= SDL_FULLSCREEN; | |
0f0b7264 FB |
56 | screen = SDL_SetVideoMode(w, h, 0, flags); |
57 | if (!screen) { | |
58 | fprintf(stderr, "Could not open SDL display\n"); | |
59 | exit(1); | |
60 | } | |
61 | ds->data = screen->pixels; | |
62 | ds->linesize = screen->pitch; | |
63 | ds->depth = screen->format->BitsPerPixel; | |
64 | } | |
65 | ||
de2200d3 FB |
66 | static const uint8_t x_keycode_to_pc_keycode[61] = { |
67 | 0xc7, /* 97 Home */ | |
68 | 0xc8, /* 98 Up */ | |
69 | 0xc9, /* 99 PgUp */ | |
70 | 0xcb, /* 100 Left */ | |
0f0b7264 | 71 | 0x4c, /* 101 KP-5 */ |
de2200d3 FB |
72 | 0xcd, /* 102 Right */ |
73 | 0xcf, /* 103 End */ | |
74 | 0xd0, /* 104 Down */ | |
75 | 0xd1, /* 105 PgDn */ | |
76 | 0xd2, /* 106 Ins */ | |
77 | 0xd3, /* 107 Del */ | |
78 | 0x9c, /* 108 Enter */ | |
79 | 0x9d, /* 109 Ctrl-R */ | |
80 | 0xb7, /* 111 Print */ | |
81 | 0xb5, /* 112 Divide */ | |
82 | 0xb8, /* 113 Alt-R */ | |
83 | 0xc6, /* 114 Break */ | |
0f0b7264 FB |
84 | 0x0, /* 115 */ |
85 | 0x0, /* 116 */ | |
86 | 0x0, /* 117 */ | |
87 | 0x0, /* 118 */ | |
88 | 0x0, /* 119 */ | |
b71e95fc | 89 | 0x70, /* 120 Hiragana_Katakana */ |
0f0b7264 FB |
90 | 0x0, /* 121 */ |
91 | 0x0, /* 122 */ | |
b71e95fc | 92 | 0x73, /* 123 backslash */ |
0f0b7264 FB |
93 | 0x0, /* 124 */ |
94 | 0x0, /* 125 */ | |
95 | 0x0, /* 126 */ | |
96 | 0x0, /* 127 */ | |
97 | 0x0, /* 128 */ | |
b71e95fc | 98 | 0x79, /* 129 Henkan */ |
0f0b7264 | 99 | 0x0, /* 130 */ |
b71e95fc | 100 | 0x7b, /* 131 Muhenkan */ |
0f0b7264 | 101 | 0x0, /* 132 */ |
b71e95fc | 102 | 0x7d, /* 133 Yen */ |
0f0b7264 FB |
103 | 0x0, /* 134 */ |
104 | 0x0, /* 135 */ | |
105 | 0x47, /* 136 KP_7 */ | |
106 | 0x48, /* 137 KP_8 */ | |
107 | 0x49, /* 138 KP_9 */ | |
108 | 0x4b, /* 139 KP_4 */ | |
109 | 0x4c, /* 140 KP_5 */ | |
110 | 0x4d, /* 141 KP_6 */ | |
111 | 0x4f, /* 142 KP_1 */ | |
112 | 0x50, /* 143 KP_2 */ | |
113 | 0x51, /* 144 KP_3 */ | |
114 | 0x52, /* 145 KP_0 */ | |
115 | 0x53, /* 146 KP_. */ | |
116 | 0x47, /* 147 KP_HOME */ | |
117 | 0x48, /* 148 KP_UP */ | |
118 | 0x49, /* 149 KP_PgUp */ | |
119 | 0x4b, /* 150 KP_Left */ | |
120 | 0x4c, /* 151 KP_ */ | |
121 | 0x4d, /* 152 KP_Right */ | |
122 | 0x4f, /* 153 KP_End */ | |
123 | 0x50, /* 154 KP_Down */ | |
124 | 0x51, /* 155 KP_PgDn */ | |
125 | 0x52, /* 156 KP_Ins */ | |
126 | 0x53, /* 157 KP_Del */ | |
127 | }; | |
128 | ||
129 | static void sdl_process_key(SDL_KeyboardEvent *ev) | |
130 | { | |
de2200d3 FB |
131 | int keycode, v, i; |
132 | static uint8_t modifiers_state[256]; | |
133 | ||
134 | if (ev->keysym.sym == SDLK_PAUSE) { | |
135 | /* specific case */ | |
136 | v = 0; | |
137 | if (ev->type == SDL_KEYUP) | |
138 | v |= 0x80; | |
139 | kbd_put_keycode(0xe1); | |
140 | kbd_put_keycode(0x1d | v); | |
141 | kbd_put_keycode(0x45 | v); | |
142 | return; | |
143 | } | |
144 | ||
0f0b7264 FB |
145 | /* XXX: not portable, but avoids complicated mappings */ |
146 | keycode = ev->keysym.scancode; | |
b71e95fc | 147 | |
de2200d3 FB |
148 | /* XXX: windows version may not work: 0xe0/0xe1 should be trapped |
149 | ? */ | |
b71e95fc | 150 | #ifndef _WIN32 |
0f0b7264 FB |
151 | if (keycode < 9) { |
152 | keycode = 0; | |
153 | } else if (keycode < 97) { | |
154 | keycode -= 8; /* just an offset */ | |
b71e95fc | 155 | } else if (keycode < 158) { |
0f0b7264 FB |
156 | /* use conversion table */ |
157 | keycode = x_keycode_to_pc_keycode[keycode - 97]; | |
158 | } else { | |
159 | keycode = 0; | |
160 | } | |
b71e95fc | 161 | #endif |
de2200d3 FB |
162 | |
163 | switch(keycode) { | |
164 | case 0x00: | |
165 | /* sent when leaving window: reset the modifiers state */ | |
166 | for(i = 0; i < 256; i++) { | |
167 | if (modifiers_state[i]) { | |
168 | if (i & 0x80) | |
169 | kbd_put_keycode(0xe0); | |
170 | kbd_put_keycode(i | 0x80); | |
171 | } | |
172 | } | |
173 | return; | |
174 | case 0x2a: /* Left Shift */ | |
175 | case 0x36: /* Right Shift */ | |
176 | case 0x1d: /* Left CTRL */ | |
177 | case 0x9d: /* Right CTRL */ | |
178 | case 0x38: /* Left ALT */ | |
179 | case 0xb8: /* Right ALT */ | |
0f0b7264 | 180 | if (ev->type == SDL_KEYUP) |
de2200d3 FB |
181 | modifiers_state[keycode] = 0; |
182 | else | |
183 | modifiers_state[keycode] = 1; | |
184 | break; | |
185 | case 0x45: /* num lock */ | |
186 | case 0x3a: /* caps lock */ | |
187 | /* SDL does not send the key up event, so we generate it */ | |
188 | kbd_put_keycode(keycode); | |
189 | kbd_put_keycode(keycode | 0x80); | |
190 | return; | |
0f0b7264 | 191 | } |
de2200d3 FB |
192 | |
193 | /* now send the key code */ | |
194 | if (keycode & 0x80) | |
195 | kbd_put_keycode(0xe0); | |
196 | if (ev->type == SDL_KEYUP) | |
197 | kbd_put_keycode(keycode | 0x80); | |
198 | else | |
199 | kbd_put_keycode(keycode & 0x7f); | |
0f0b7264 FB |
200 | } |
201 | ||
8a7ddc38 FB |
202 | static void sdl_update_caption(void) |
203 | { | |
204 | char buf[1024]; | |
205 | strcpy(buf, "QEMU"); | |
206 | if (!vm_running) { | |
207 | strcat(buf, " [Stopped]"); | |
208 | } | |
209 | if (gui_grab) { | |
210 | strcat(buf, " - Press Ctrl-Shift to exit grab"); | |
211 | } | |
212 | SDL_WM_SetCaption(buf, "QEMU"); | |
213 | } | |
214 | ||
0f0b7264 FB |
215 | static void sdl_grab_start(void) |
216 | { | |
0f0b7264 FB |
217 | SDL_ShowCursor(0); |
218 | SDL_WM_GrabInput(SDL_GRAB_ON); | |
219 | /* dummy read to avoid moving the mouse */ | |
220 | SDL_GetRelativeMouseState(NULL, NULL); | |
221 | gui_grab = 1; | |
8a7ddc38 | 222 | sdl_update_caption(); |
0f0b7264 FB |
223 | } |
224 | ||
225 | static void sdl_grab_end(void) | |
226 | { | |
0f0b7264 FB |
227 | SDL_WM_GrabInput(SDL_GRAB_OFF); |
228 | SDL_ShowCursor(1); | |
229 | gui_grab = 0; | |
8a7ddc38 | 230 | sdl_update_caption(); |
0f0b7264 FB |
231 | } |
232 | ||
233 | static void sdl_send_mouse_event(void) | |
234 | { | |
235 | int dx, dy, dz, state, buttons; | |
236 | state = SDL_GetRelativeMouseState(&dx, &dy); | |
237 | buttons = 0; | |
238 | if (state & SDL_BUTTON(SDL_BUTTON_LEFT)) | |
239 | buttons |= MOUSE_EVENT_LBUTTON; | |
240 | if (state & SDL_BUTTON(SDL_BUTTON_RIGHT)) | |
241 | buttons |= MOUSE_EVENT_RBUTTON; | |
242 | if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE)) | |
243 | buttons |= MOUSE_EVENT_MBUTTON; | |
244 | /* XXX: test wheel */ | |
245 | dz = 0; | |
8351d2d4 | 246 | #ifdef SDL_BUTTON_WHEELUP |
0f0b7264 FB |
247 | if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP)) |
248 | dz--; | |
249 | if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN)) | |
250 | dz++; | |
8351d2d4 | 251 | #endif |
0f0b7264 FB |
252 | kbd_mouse_event(dx, dy, dz, buttons); |
253 | } | |
254 | ||
8e9c4afe FB |
255 | static void toggle_full_screen(DisplayState *ds) |
256 | { | |
257 | gui_fullscreen = !gui_fullscreen; | |
258 | sdl_resize(ds, screen->w, screen->h); | |
259 | if (gui_fullscreen) { | |
260 | gui_saved_grab = gui_grab; | |
261 | sdl_grab_start(); | |
262 | } else { | |
263 | if (!gui_saved_grab) | |
264 | sdl_grab_end(); | |
265 | } | |
266 | vga_update_display(); | |
267 | sdl_update(ds, 0, 0, screen->w, screen->h); | |
268 | } | |
269 | ||
0f0b7264 FB |
270 | static void sdl_refresh(DisplayState *ds) |
271 | { | |
272 | SDL_Event ev1, *ev = &ev1; | |
8e9c4afe FB |
273 | int mod_state; |
274 | ||
8a7ddc38 FB |
275 | if (last_vm_running != vm_running) { |
276 | last_vm_running = vm_running; | |
277 | sdl_update_caption(); | |
278 | } | |
279 | ||
0f0b7264 FB |
280 | vga_update_display(); |
281 | while (SDL_PollEvent(ev)) { | |
282 | switch (ev->type) { | |
283 | case SDL_VIDEOEXPOSE: | |
284 | sdl_update(ds, 0, 0, screen->w, screen->h); | |
285 | break; | |
286 | case SDL_KEYDOWN: | |
287 | case SDL_KEYUP: | |
288 | if (ev->type == SDL_KEYDOWN) { | |
8e9c4afe FB |
289 | mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)) == |
290 | (KMOD_LSHIFT | KMOD_LCTRL); | |
291 | gui_key_modifier_pressed = mod_state; | |
292 | if (gui_key_modifier_pressed && | |
293 | ev->key.keysym.sym == SDLK_f) { | |
294 | gui_keysym = ev->key.keysym.sym; | |
295 | } | |
296 | } else if (ev->type == SDL_KEYUP) { | |
297 | mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)); | |
298 | if (!mod_state) { | |
299 | if (gui_key_modifier_pressed) { | |
300 | switch(gui_keysym) { | |
301 | case SDLK_f: | |
302 | toggle_full_screen(ds); | |
303 | break; | |
304 | case 0: | |
305 | /* exit/enter grab if pressing Ctrl-Shift */ | |
306 | if (!gui_grab) | |
307 | sdl_grab_start(); | |
308 | else | |
309 | sdl_grab_end(); | |
310 | break; | |
311 | } | |
312 | gui_key_modifier_pressed = 0; | |
313 | gui_keysym = 0; | |
314 | } | |
0f0b7264 FB |
315 | } |
316 | } | |
317 | sdl_process_key(&ev->key); | |
318 | break; | |
319 | case SDL_QUIT: | |
320 | reset_requested = 1; | |
321 | break; | |
322 | case SDL_MOUSEMOTION: | |
323 | if (gui_grab) { | |
324 | sdl_send_mouse_event(); | |
325 | } | |
326 | break; | |
327 | case SDL_MOUSEBUTTONDOWN: | |
328 | case SDL_MOUSEBUTTONUP: | |
329 | { | |
330 | SDL_MouseButtonEvent *bev = &ev->button; | |
331 | if (!gui_grab) { | |
332 | if (ev->type == SDL_MOUSEBUTTONDOWN && | |
333 | (bev->state & SDL_BUTTON_LMASK)) { | |
334 | /* start grabbing all events */ | |
335 | sdl_grab_start(); | |
336 | } | |
337 | } else { | |
338 | sdl_send_mouse_event(); | |
339 | } | |
340 | } | |
341 | break; | |
0294ffb9 FB |
342 | case SDL_ACTIVEEVENT: |
343 | if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0) { | |
344 | sdl_grab_end(); | |
345 | } | |
346 | break; | |
0f0b7264 FB |
347 | default: |
348 | break; | |
349 | } | |
350 | } | |
351 | } | |
352 | ||
898712a8 FB |
353 | static void sdl_cleanup(void) |
354 | { | |
355 | SDL_Quit(); | |
356 | } | |
357 | ||
0f0b7264 FB |
358 | void sdl_display_init(DisplayState *ds) |
359 | { | |
360 | int flags; | |
361 | ||
362 | flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; | |
363 | if (SDL_Init (flags)) { | |
364 | fprintf(stderr, "Could not initialize SDL - exiting\n"); | |
365 | exit(1); | |
366 | } | |
67b915a5 FB |
367 | |
368 | #ifndef _WIN32 | |
0ae04d73 FB |
369 | /* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */ |
370 | signal(SIGINT, SIG_DFL); | |
371 | signal(SIGQUIT, SIG_DFL); | |
67b915a5 | 372 | #endif |
0ae04d73 | 373 | |
0f0b7264 FB |
374 | ds->dpy_update = sdl_update; |
375 | ds->dpy_resize = sdl_resize; | |
376 | ds->dpy_refresh = sdl_refresh; | |
377 | ||
378 | sdl_resize(ds, 640, 400); | |
8a7ddc38 | 379 | sdl_update_caption(); |
0f0b7264 FB |
380 | SDL_EnableKeyRepeat(250, 50); |
381 | gui_grab = 0; | |
898712a8 FB |
382 | |
383 | atexit(sdl_cleanup); | |
0f0b7264 | 384 | } |