root / sdl.c @ e6bb7d7e
History | View | Annotate | Download (19.8 kB)
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 |
*/
|
24 |
#include "qemu-common.h" |
25 |
#include "console.h" |
26 |
#include "sysemu.h" |
27 |
|
28 |
#include <SDL.h> |
29 |
|
30 |
#ifndef _WIN32
|
31 |
#include <signal.h> |
32 |
#endif
|
33 |
|
34 |
static SDL_Surface *screen;
|
35 |
static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ |
36 |
static int last_vm_running; |
37 |
static int gui_saved_grab; |
38 |
static int gui_fullscreen; |
39 |
static int gui_noframe; |
40 |
static int gui_key_modifier_pressed; |
41 |
static int gui_keysym; |
42 |
static int gui_fullscreen_initial_grab; |
43 |
static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; |
44 |
static uint8_t modifiers_state[256]; |
45 |
static int width, height; |
46 |
static SDL_Cursor *sdl_cursor_normal;
|
47 |
static SDL_Cursor *sdl_cursor_hidden;
|
48 |
static int absolute_enabled = 0; |
49 |
static int guest_cursor = 0; |
50 |
static int guest_x, guest_y; |
51 |
static SDL_Cursor *guest_sprite = 0; |
52 |
|
53 |
static void sdl_update(DisplayState *ds, int x, int y, int w, int h) |
54 |
{ |
55 |
// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
|
56 |
SDL_UpdateRect(screen, x, y, w, h); |
57 |
} |
58 |
|
59 |
static void sdl_resize(DisplayState *ds, int w, int h) |
60 |
{ |
61 |
int flags;
|
62 |
|
63 |
// printf("resizing to %d %d\n", w, h);
|
64 |
|
65 |
flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL; |
66 |
if (gui_fullscreen)
|
67 |
flags |= SDL_FULLSCREEN; |
68 |
if (gui_noframe)
|
69 |
flags |= SDL_NOFRAME; |
70 |
|
71 |
width = w; |
72 |
height = h; |
73 |
|
74 |
again:
|
75 |
screen = SDL_SetVideoMode(w, h, 0, flags);
|
76 |
if (!screen) {
|
77 |
fprintf(stderr, "Could not open SDL display\n");
|
78 |
exit(1);
|
79 |
} |
80 |
if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
|
81 |
flags &= ~SDL_HWSURFACE; |
82 |
goto again;
|
83 |
} |
84 |
|
85 |
if (!screen->pixels) {
|
86 |
fprintf(stderr, "Could not open SDL display\n");
|
87 |
exit(1);
|
88 |
} |
89 |
ds->data = screen->pixels; |
90 |
ds->linesize = screen->pitch; |
91 |
ds->depth = screen->format->BitsPerPixel; |
92 |
if (screen->format->Bshift > screen->format->Rshift) {
|
93 |
ds->bgr = 1;
|
94 |
} else {
|
95 |
ds->bgr = 0;
|
96 |
} |
97 |
ds->width = w; |
98 |
ds->height = h; |
99 |
} |
100 |
|
101 |
/* generic keyboard conversion */
|
102 |
|
103 |
#include "sdl_keysym.h" |
104 |
#include "keymaps.c" |
105 |
|
106 |
static kbd_layout_t *kbd_layout = NULL; |
107 |
|
108 |
static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev) |
109 |
{ |
110 |
int keysym;
|
111 |
/* workaround for X11+SDL bug with AltGR */
|
112 |
keysym = ev->keysym.sym; |
113 |
if (keysym == 0 && ev->keysym.scancode == 113) |
114 |
keysym = SDLK_MODE; |
115 |
/* For Japanese key '\' and '|' */
|
116 |
if (keysym == 92 && ev->keysym.scancode == 133) { |
117 |
keysym = 0xa5;
|
118 |
} |
119 |
return keysym2scancode(kbd_layout, keysym);
|
120 |
} |
121 |
|
122 |
/* specific keyboard conversions from scan codes */
|
123 |
|
124 |
#if defined(_WIN32)
|
125 |
|
126 |
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
127 |
{ |
128 |
return ev->keysym.scancode;
|
129 |
} |
130 |
|
131 |
#else
|
132 |
|
133 |
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
134 |
{ |
135 |
int keycode;
|
136 |
|
137 |
keycode = ev->keysym.scancode; |
138 |
|
139 |
if (keycode < 9) { |
140 |
keycode = 0;
|
141 |
} else if (keycode < 97) { |
142 |
keycode -= 8; /* just an offset */ |
143 |
} else if (keycode < 212) { |
144 |
/* use conversion table */
|
145 |
keycode = _translate_keycode(keycode - 97);
|
146 |
} else {
|
147 |
keycode = 0;
|
148 |
} |
149 |
return keycode;
|
150 |
} |
151 |
|
152 |
#endif
|
153 |
|
154 |
static void reset_keys(void) |
155 |
{ |
156 |
int i;
|
157 |
for(i = 0; i < 256; i++) { |
158 |
if (modifiers_state[i]) {
|
159 |
if (i & 0x80) |
160 |
kbd_put_keycode(0xe0);
|
161 |
kbd_put_keycode(i | 0x80);
|
162 |
modifiers_state[i] = 0;
|
163 |
} |
164 |
} |
165 |
} |
166 |
|
167 |
static void sdl_process_key(SDL_KeyboardEvent *ev) |
168 |
{ |
169 |
int keycode, v;
|
170 |
|
171 |
if (ev->keysym.sym == SDLK_PAUSE) {
|
172 |
/* specific case */
|
173 |
v = 0;
|
174 |
if (ev->type == SDL_KEYUP)
|
175 |
v |= 0x80;
|
176 |
kbd_put_keycode(0xe1);
|
177 |
kbd_put_keycode(0x1d | v);
|
178 |
kbd_put_keycode(0x45 | v);
|
179 |
return;
|
180 |
} |
181 |
|
182 |
if (kbd_layout) {
|
183 |
keycode = sdl_keyevent_to_keycode_generic(ev); |
184 |
} else {
|
185 |
keycode = sdl_keyevent_to_keycode(ev); |
186 |
} |
187 |
|
188 |
switch(keycode) {
|
189 |
case 0x00: |
190 |
/* sent when leaving window: reset the modifiers state */
|
191 |
reset_keys(); |
192 |
return;
|
193 |
case 0x2a: /* Left Shift */ |
194 |
case 0x36: /* Right Shift */ |
195 |
case 0x1d: /* Left CTRL */ |
196 |
case 0x9d: /* Right CTRL */ |
197 |
case 0x38: /* Left ALT */ |
198 |
case 0xb8: /* Right ALT */ |
199 |
if (ev->type == SDL_KEYUP)
|
200 |
modifiers_state[keycode] = 0;
|
201 |
else
|
202 |
modifiers_state[keycode] = 1;
|
203 |
break;
|
204 |
case 0x45: /* num lock */ |
205 |
case 0x3a: /* caps lock */ |
206 |
/* SDL does not send the key up event, so we generate it */
|
207 |
kbd_put_keycode(keycode); |
208 |
kbd_put_keycode(keycode | 0x80);
|
209 |
return;
|
210 |
} |
211 |
|
212 |
/* now send the key code */
|
213 |
if (keycode & 0x80) |
214 |
kbd_put_keycode(0xe0);
|
215 |
if (ev->type == SDL_KEYUP)
|
216 |
kbd_put_keycode(keycode | 0x80);
|
217 |
else
|
218 |
kbd_put_keycode(keycode & 0x7f);
|
219 |
} |
220 |
|
221 |
static void sdl_update_caption(void) |
222 |
{ |
223 |
char buf[1024]; |
224 |
const char *status = ""; |
225 |
|
226 |
if (!vm_running)
|
227 |
status = " [Stopped]";
|
228 |
else if (gui_grab) { |
229 |
if (!alt_grab)
|
230 |
status = " - Press Ctrl-Alt to exit grab";
|
231 |
else
|
232 |
status = " - Press Ctrl-Alt-Shift to exit grab";
|
233 |
} |
234 |
|
235 |
if (qemu_name)
|
236 |
snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status); |
237 |
else
|
238 |
snprintf(buf, sizeof(buf), "QEMU%s", status); |
239 |
|
240 |
SDL_WM_SetCaption(buf, "QEMU");
|
241 |
} |
242 |
|
243 |
static void sdl_hide_cursor(void) |
244 |
{ |
245 |
if (!cursor_hide)
|
246 |
return;
|
247 |
|
248 |
if (kbd_mouse_is_absolute()) {
|
249 |
SDL_ShowCursor(1);
|
250 |
SDL_SetCursor(sdl_cursor_hidden); |
251 |
} else {
|
252 |
SDL_ShowCursor(0);
|
253 |
} |
254 |
} |
255 |
|
256 |
static void sdl_show_cursor(void) |
257 |
{ |
258 |
if (!cursor_hide)
|
259 |
return;
|
260 |
|
261 |
if (!kbd_mouse_is_absolute()) {
|
262 |
SDL_ShowCursor(1);
|
263 |
if (guest_cursor &&
|
264 |
(gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) |
265 |
SDL_SetCursor(guest_sprite); |
266 |
else
|
267 |
SDL_SetCursor(sdl_cursor_normal); |
268 |
} |
269 |
} |
270 |
|
271 |
static void sdl_grab_start(void) |
272 |
{ |
273 |
if (guest_cursor) {
|
274 |
SDL_SetCursor(guest_sprite); |
275 |
SDL_WarpMouse(guest_x, guest_y); |
276 |
} else
|
277 |
sdl_hide_cursor(); |
278 |
SDL_WM_GrabInput(SDL_GRAB_ON); |
279 |
gui_grab = 1;
|
280 |
sdl_update_caption(); |
281 |
} |
282 |
|
283 |
static void sdl_grab_end(void) |
284 |
{ |
285 |
SDL_WM_GrabInput(SDL_GRAB_OFF); |
286 |
gui_grab = 0;
|
287 |
sdl_show_cursor(); |
288 |
sdl_update_caption(); |
289 |
} |
290 |
|
291 |
static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state) |
292 |
{ |
293 |
int buttons;
|
294 |
buttons = 0;
|
295 |
if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
|
296 |
buttons |= MOUSE_EVENT_LBUTTON; |
297 |
if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
|
298 |
buttons |= MOUSE_EVENT_RBUTTON; |
299 |
if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
|
300 |
buttons |= MOUSE_EVENT_MBUTTON; |
301 |
|
302 |
if (kbd_mouse_is_absolute()) {
|
303 |
if (!absolute_enabled) {
|
304 |
sdl_hide_cursor(); |
305 |
if (gui_grab) {
|
306 |
sdl_grab_end(); |
307 |
} |
308 |
absolute_enabled = 1;
|
309 |
} |
310 |
|
311 |
dx = x * 0x7FFF / (width - 1); |
312 |
dy = y * 0x7FFF / (height - 1); |
313 |
} else if (absolute_enabled) { |
314 |
sdl_show_cursor(); |
315 |
absolute_enabled = 0;
|
316 |
} else if (guest_cursor) { |
317 |
x -= guest_x; |
318 |
y -= guest_y; |
319 |
guest_x += x; |
320 |
guest_y += y; |
321 |
dx = x; |
322 |
dy = y; |
323 |
} |
324 |
|
325 |
kbd_mouse_event(dx, dy, dz, buttons); |
326 |
} |
327 |
|
328 |
static void toggle_full_screen(DisplayState *ds) |
329 |
{ |
330 |
gui_fullscreen = !gui_fullscreen; |
331 |
sdl_resize(ds, screen->w, screen->h); |
332 |
if (gui_fullscreen) {
|
333 |
gui_saved_grab = gui_grab; |
334 |
sdl_grab_start(); |
335 |
} else {
|
336 |
if (!gui_saved_grab)
|
337 |
sdl_grab_end(); |
338 |
} |
339 |
vga_hw_invalidate(); |
340 |
vga_hw_update(); |
341 |
} |
342 |
|
343 |
static void sdl_refresh(DisplayState *ds) |
344 |
{ |
345 |
SDL_Event ev1, *ev = &ev1; |
346 |
int mod_state;
|
347 |
int buttonstate = SDL_GetMouseState(NULL, NULL); |
348 |
|
349 |
if (last_vm_running != vm_running) {
|
350 |
last_vm_running = vm_running; |
351 |
sdl_update_caption(); |
352 |
} |
353 |
|
354 |
vga_hw_update(); |
355 |
SDL_EnableUNICODE(!is_graphic_console()); |
356 |
|
357 |
while (SDL_PollEvent(ev)) {
|
358 |
switch (ev->type) {
|
359 |
case SDL_VIDEOEXPOSE:
|
360 |
sdl_update(ds, 0, 0, screen->w, screen->h); |
361 |
break;
|
362 |
case SDL_KEYDOWN:
|
363 |
case SDL_KEYUP:
|
364 |
if (ev->type == SDL_KEYDOWN) {
|
365 |
if (!alt_grab) {
|
366 |
mod_state = (SDL_GetModState() & gui_grab_code) == |
367 |
gui_grab_code; |
368 |
} else {
|
369 |
mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) == |
370 |
(gui_grab_code | KMOD_LSHIFT); |
371 |
} |
372 |
gui_key_modifier_pressed = mod_state; |
373 |
if (gui_key_modifier_pressed) {
|
374 |
int keycode;
|
375 |
keycode = sdl_keyevent_to_keycode(&ev->key); |
376 |
switch(keycode) {
|
377 |
case 0x21: /* 'f' key on US keyboard */ |
378 |
toggle_full_screen(ds); |
379 |
gui_keysym = 1;
|
380 |
break;
|
381 |
case 0x02 ... 0x0a: /* '1' to '9' keys */ |
382 |
/* Reset the modifiers sent to the current console */
|
383 |
reset_keys(); |
384 |
console_select(keycode - 0x02);
|
385 |
if (!is_graphic_console()) {
|
386 |
/* display grab if going to a text console */
|
387 |
if (gui_grab)
|
388 |
sdl_grab_end(); |
389 |
} |
390 |
gui_keysym = 1;
|
391 |
break;
|
392 |
default:
|
393 |
break;
|
394 |
} |
395 |
} else if (!is_graphic_console()) { |
396 |
int keysym;
|
397 |
keysym = 0;
|
398 |
if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
|
399 |
switch(ev->key.keysym.sym) {
|
400 |
case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break; |
401 |
case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break; |
402 |
case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break; |
403 |
case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break; |
404 |
case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break; |
405 |
case SDLK_END: keysym = QEMU_KEY_CTRL_END; break; |
406 |
case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break; |
407 |
case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break; |
408 |
default: break; |
409 |
} |
410 |
} else {
|
411 |
switch(ev->key.keysym.sym) {
|
412 |
case SDLK_UP: keysym = QEMU_KEY_UP; break; |
413 |
case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break; |
414 |
case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break; |
415 |
case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break; |
416 |
case SDLK_HOME: keysym = QEMU_KEY_HOME; break; |
417 |
case SDLK_END: keysym = QEMU_KEY_END; break; |
418 |
case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break; |
419 |
case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break; |
420 |
case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; |
421 |
case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break; |
422 |
default: break; |
423 |
} |
424 |
} |
425 |
if (keysym) {
|
426 |
kbd_put_keysym(keysym); |
427 |
} else if (ev->key.keysym.unicode != 0) { |
428 |
kbd_put_keysym(ev->key.keysym.unicode); |
429 |
} |
430 |
} |
431 |
} else if (ev->type == SDL_KEYUP) { |
432 |
if (!alt_grab) {
|
433 |
mod_state = (ev->key.keysym.mod & gui_grab_code); |
434 |
} else {
|
435 |
mod_state = (ev->key.keysym.mod & |
436 |
(gui_grab_code | KMOD_LSHIFT)); |
437 |
} |
438 |
if (!mod_state) {
|
439 |
if (gui_key_modifier_pressed) {
|
440 |
gui_key_modifier_pressed = 0;
|
441 |
if (gui_keysym == 0) { |
442 |
/* exit/enter grab if pressing Ctrl-Alt */
|
443 |
if (!gui_grab) {
|
444 |
/* if the application is not active,
|
445 |
do not try to enter grab state. It
|
446 |
prevents
|
447 |
'SDL_WM_GrabInput(SDL_GRAB_ON)'
|
448 |
from blocking all the application
|
449 |
(SDL bug). */
|
450 |
if (SDL_GetAppState() & SDL_APPACTIVE)
|
451 |
sdl_grab_start(); |
452 |
} else {
|
453 |
sdl_grab_end(); |
454 |
} |
455 |
/* SDL does not send back all the
|
456 |
modifiers key, so we must correct it */
|
457 |
reset_keys(); |
458 |
break;
|
459 |
} |
460 |
gui_keysym = 0;
|
461 |
} |
462 |
} |
463 |
} |
464 |
if (is_graphic_console() && !gui_keysym)
|
465 |
sdl_process_key(&ev->key); |
466 |
break;
|
467 |
case SDL_QUIT:
|
468 |
if (!no_quit) {
|
469 |
qemu_system_shutdown_request(); |
470 |
vm_start(); /* In case we're paused */
|
471 |
} |
472 |
break;
|
473 |
case SDL_MOUSEMOTION:
|
474 |
if (gui_grab || kbd_mouse_is_absolute() ||
|
475 |
absolute_enabled) { |
476 |
sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
|
477 |
ev->motion.x, ev->motion.y, ev->motion.state); |
478 |
} |
479 |
break;
|
480 |
case SDL_MOUSEBUTTONDOWN:
|
481 |
case SDL_MOUSEBUTTONUP:
|
482 |
{ |
483 |
SDL_MouseButtonEvent *bev = &ev->button; |
484 |
if (!gui_grab && !kbd_mouse_is_absolute()) {
|
485 |
if (ev->type == SDL_MOUSEBUTTONDOWN &&
|
486 |
(bev->button == SDL_BUTTON_LEFT)) { |
487 |
/* start grabbing all events */
|
488 |
sdl_grab_start(); |
489 |
} |
490 |
} else {
|
491 |
int dz;
|
492 |
dz = 0;
|
493 |
if (ev->type == SDL_MOUSEBUTTONDOWN) {
|
494 |
buttonstate |= SDL_BUTTON(bev->button); |
495 |
} else {
|
496 |
buttonstate &= ~SDL_BUTTON(bev->button); |
497 |
} |
498 |
#ifdef SDL_BUTTON_WHEELUP
|
499 |
if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
|
500 |
dz = -1;
|
501 |
} else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) { |
502 |
dz = 1;
|
503 |
} |
504 |
#endif
|
505 |
sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate); |
506 |
} |
507 |
} |
508 |
break;
|
509 |
case SDL_ACTIVEEVENT:
|
510 |
if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
|
511 |
!ev->active.gain && !gui_fullscreen_initial_grab) { |
512 |
sdl_grab_end(); |
513 |
} |
514 |
if (ev->active.state & SDL_APPACTIVE) {
|
515 |
if (ev->active.gain) {
|
516 |
/* Back to default interval */
|
517 |
ds->gui_timer_interval = 0;
|
518 |
} else {
|
519 |
/* Sleeping interval */
|
520 |
ds->gui_timer_interval = 500;
|
521 |
} |
522 |
} |
523 |
break;
|
524 |
default:
|
525 |
break;
|
526 |
} |
527 |
} |
528 |
} |
529 |
|
530 |
static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c) |
531 |
{ |
532 |
SDL_Rect dst = { x, y, w, h }; |
533 |
SDL_FillRect(screen, &dst, c); |
534 |
} |
535 |
|
536 |
static void sdl_mouse_warp(int x, int y, int on) |
537 |
{ |
538 |
if (on) {
|
539 |
if (!guest_cursor)
|
540 |
sdl_show_cursor(); |
541 |
if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
|
542 |
SDL_SetCursor(guest_sprite); |
543 |
SDL_WarpMouse(x, y); |
544 |
} |
545 |
} else if (gui_grab) |
546 |
sdl_hide_cursor(); |
547 |
guest_cursor = on; |
548 |
guest_x = x, guest_y = y; |
549 |
} |
550 |
|
551 |
static void sdl_mouse_define(int width, int height, int bpp, |
552 |
int hot_x, int hot_y, |
553 |
uint8_t *image, uint8_t *mask) |
554 |
{ |
555 |
uint8_t sprite[256], *line;
|
556 |
int x, y, dst, bypl, src = 0; |
557 |
if (guest_sprite)
|
558 |
SDL_FreeCursor(guest_sprite); |
559 |
|
560 |
memset(sprite, 0, 256); |
561 |
bypl = ((width * bpp + 31) >> 5) << 2; |
562 |
for (y = 0, dst = 0; y < height; y ++, image += bypl) { |
563 |
line = image; |
564 |
for (x = 0; x < width; x ++, dst ++) { |
565 |
switch (bpp) {
|
566 |
case 24: |
567 |
src = *(line ++); src |= *(line ++); src |= *(line ++); |
568 |
break;
|
569 |
case 16: |
570 |
case 15: |
571 |
src = *(line ++); src |= *(line ++); |
572 |
break;
|
573 |
case 8: |
574 |
src = *(line ++); |
575 |
break;
|
576 |
case 4: |
577 |
src = 0xf & (line[x >> 1] >> ((x & 1)) << 2); |
578 |
break;
|
579 |
case 2: |
580 |
src = 3 & (line[x >> 2] >> ((x & 3)) << 1); |
581 |
break;
|
582 |
case 1: |
583 |
src = 1 & (line[x >> 3] >> (x & 7)); |
584 |
break;
|
585 |
} |
586 |
if (!src)
|
587 |
sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3]; |
588 |
} |
589 |
} |
590 |
guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y); |
591 |
|
592 |
if (guest_cursor &&
|
593 |
(gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) |
594 |
SDL_SetCursor(guest_sprite); |
595 |
} |
596 |
|
597 |
static void sdl_cleanup(void) |
598 |
{ |
599 |
if (guest_sprite)
|
600 |
SDL_FreeCursor(guest_sprite); |
601 |
SDL_Quit(); |
602 |
} |
603 |
|
604 |
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame) |
605 |
{ |
606 |
int flags;
|
607 |
uint8_t data = 0;
|
608 |
|
609 |
#if defined(__APPLE__)
|
610 |
/* always use generic keymaps */
|
611 |
if (!keyboard_layout)
|
612 |
keyboard_layout = "en-us";
|
613 |
#endif
|
614 |
if(keyboard_layout) {
|
615 |
kbd_layout = init_keyboard_layout(keyboard_layout); |
616 |
if (!kbd_layout)
|
617 |
exit(1);
|
618 |
} |
619 |
|
620 |
if (no_frame)
|
621 |
gui_noframe = 1;
|
622 |
|
623 |
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; |
624 |
if (SDL_Init (flags)) {
|
625 |
fprintf(stderr, "Could not initialize SDL - exiting\n");
|
626 |
exit(1);
|
627 |
} |
628 |
#ifndef _WIN32
|
629 |
/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
|
630 |
signal(SIGINT, SIG_DFL); |
631 |
signal(SIGQUIT, SIG_DFL); |
632 |
#endif
|
633 |
|
634 |
ds->dpy_update = sdl_update; |
635 |
ds->dpy_resize = sdl_resize; |
636 |
ds->dpy_refresh = sdl_refresh; |
637 |
ds->dpy_fill = sdl_fill; |
638 |
ds->mouse_set = sdl_mouse_warp; |
639 |
ds->cursor_define = sdl_mouse_define; |
640 |
|
641 |
sdl_resize(ds, 640, 400); |
642 |
sdl_update_caption(); |
643 |
SDL_EnableKeyRepeat(250, 50); |
644 |
gui_grab = 0;
|
645 |
|
646 |
sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); |
647 |
sdl_cursor_normal = SDL_GetCursor(); |
648 |
|
649 |
atexit(sdl_cleanup); |
650 |
if (full_screen) {
|
651 |
gui_fullscreen = 1;
|
652 |
gui_fullscreen_initial_grab = 1;
|
653 |
sdl_grab_start(); |
654 |
} |
655 |
} |