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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 | /* Ported SDL 1.2 code to 2.0 by Dave Airlie. */ | |
25 | ||
26 | #include "qemu/osdep.h" | |
27 | #include "qemu-common.h" | |
28 | #include "ui/console.h" | |
29 | #include "ui/input.h" | |
30 | #include "ui/sdl2.h" | |
31 | #include "sysemu/sysemu.h" | |
32 | ||
33 | static int sdl2_num_outputs; | |
34 | static struct sdl2_console *sdl2_console; | |
35 | ||
36 | static SDL_Surface *guest_sprite_surface; | |
37 | static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ | |
38 | ||
39 | static int gui_saved_grab; | |
40 | static int gui_fullscreen; | |
41 | static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; | |
42 | static SDL_Cursor *sdl_cursor_normal; | |
43 | static SDL_Cursor *sdl_cursor_hidden; | |
44 | static int absolute_enabled; | |
45 | static int guest_cursor; | |
46 | static int guest_x, guest_y; | |
47 | static SDL_Cursor *guest_sprite; | |
48 | static Notifier mouse_mode_notifier; | |
49 | ||
50 | #define SDL2_REFRESH_INTERVAL_BUSY 10 | |
51 | #define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \ | |
52 | / SDL2_REFRESH_INTERVAL_BUSY + 1) | |
53 | ||
54 | static void sdl_update_caption(struct sdl2_console *scon); | |
55 | ||
56 | static struct sdl2_console *get_scon_from_window(uint32_t window_id) | |
57 | { | |
58 | int i; | |
59 | for (i = 0; i < sdl2_num_outputs; i++) { | |
60 | if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) { | |
61 | return &sdl2_console[i]; | |
62 | } | |
63 | } | |
64 | return NULL; | |
65 | } | |
66 | ||
67 | void sdl2_window_create(struct sdl2_console *scon) | |
68 | { | |
69 | int flags = 0; | |
70 | ||
71 | if (!scon->surface) { | |
72 | return; | |
73 | } | |
74 | assert(!scon->real_window); | |
75 | ||
76 | if (gui_fullscreen) { | |
77 | flags |= SDL_WINDOW_FULLSCREEN_DESKTOP; | |
78 | } else { | |
79 | flags |= SDL_WINDOW_RESIZABLE; | |
80 | } | |
81 | if (scon->hidden) { | |
82 | flags |= SDL_WINDOW_HIDDEN; | |
83 | } | |
84 | ||
85 | scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, | |
86 | SDL_WINDOWPOS_UNDEFINED, | |
87 | surface_width(scon->surface), | |
88 | surface_height(scon->surface), | |
89 | flags); | |
90 | scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0); | |
91 | if (scon->opengl) { | |
92 | scon->winctx = SDL_GL_GetCurrentContext(); | |
93 | } | |
94 | sdl_update_caption(scon); | |
95 | } | |
96 | ||
97 | void sdl2_window_destroy(struct sdl2_console *scon) | |
98 | { | |
99 | if (!scon->real_window) { | |
100 | return; | |
101 | } | |
102 | ||
103 | SDL_DestroyRenderer(scon->real_renderer); | |
104 | scon->real_renderer = NULL; | |
105 | SDL_DestroyWindow(scon->real_window); | |
106 | scon->real_window = NULL; | |
107 | } | |
108 | ||
109 | void sdl2_window_resize(struct sdl2_console *scon) | |
110 | { | |
111 | if (!scon->real_window) { | |
112 | return; | |
113 | } | |
114 | ||
115 | SDL_SetWindowSize(scon->real_window, | |
116 | surface_width(scon->surface), | |
117 | surface_height(scon->surface)); | |
118 | } | |
119 | ||
120 | static void sdl2_redraw(struct sdl2_console *scon) | |
121 | { | |
122 | if (scon->opengl) { | |
123 | #ifdef CONFIG_OPENGL | |
124 | sdl2_gl_redraw(scon); | |
125 | #endif | |
126 | } else { | |
127 | sdl2_2d_redraw(scon); | |
128 | } | |
129 | } | |
130 | ||
131 | static void sdl_update_caption(struct sdl2_console *scon) | |
132 | { | |
133 | char win_title[1024]; | |
134 | char icon_title[1024]; | |
135 | const char *status = ""; | |
136 | ||
137 | if (!runstate_is_running()) { | |
138 | status = " [Stopped]"; | |
139 | } else if (gui_grab) { | |
140 | if (alt_grab) { | |
141 | status = " - Press Ctrl-Alt-Shift-G to exit grab"; | |
142 | } else if (ctrl_grab) { | |
143 | status = " - Press Right-Ctrl-G to exit grab"; | |
144 | } else { | |
145 | status = " - Press Ctrl-Alt-G to exit grab"; | |
146 | } | |
147 | } | |
148 | ||
149 | if (qemu_name) { | |
150 | snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name, | |
151 | scon->idx, status); | |
152 | snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); | |
153 | } else { | |
154 | snprintf(win_title, sizeof(win_title), "QEMU%s", status); | |
155 | snprintf(icon_title, sizeof(icon_title), "QEMU"); | |
156 | } | |
157 | ||
158 | if (scon->real_window) { | |
159 | SDL_SetWindowTitle(scon->real_window, win_title); | |
160 | } | |
161 | } | |
162 | ||
163 | static void sdl_hide_cursor(void) | |
164 | { | |
165 | if (!cursor_hide) { | |
166 | return; | |
167 | } | |
168 | ||
169 | SDL_ShowCursor(SDL_DISABLE); | |
170 | SDL_SetCursor(sdl_cursor_hidden); | |
171 | ||
172 | if (!qemu_input_is_absolute()) { | |
173 | SDL_SetRelativeMouseMode(SDL_TRUE); | |
174 | } | |
175 | } | |
176 | ||
177 | static void sdl_show_cursor(void) | |
178 | { | |
179 | if (!cursor_hide) { | |
180 | return; | |
181 | } | |
182 | ||
183 | if (!qemu_input_is_absolute()) { | |
184 | SDL_SetRelativeMouseMode(SDL_FALSE); | |
185 | } | |
186 | ||
187 | if (guest_cursor && | |
188 | (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { | |
189 | SDL_SetCursor(guest_sprite); | |
190 | } else { | |
191 | SDL_SetCursor(sdl_cursor_normal); | |
192 | } | |
193 | ||
194 | SDL_ShowCursor(SDL_ENABLE); | |
195 | } | |
196 | ||
197 | static void sdl_grab_start(struct sdl2_console *scon) | |
198 | { | |
199 | QemuConsole *con = scon ? scon->dcl.con : NULL; | |
200 | ||
201 | if (!con || !qemu_console_is_graphic(con)) { | |
202 | return; | |
203 | } | |
204 | /* | |
205 | * If the application is not active, do not try to enter grab state. This | |
206 | * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the | |
207 | * application (SDL bug). | |
208 | */ | |
209 | if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) { | |
210 | return; | |
211 | } | |
212 | if (guest_cursor) { | |
213 | SDL_SetCursor(guest_sprite); | |
214 | if (!qemu_input_is_absolute() && !absolute_enabled) { | |
215 | SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y); | |
216 | } | |
217 | } else { | |
218 | sdl_hide_cursor(); | |
219 | } | |
220 | SDL_SetWindowGrab(scon->real_window, SDL_TRUE); | |
221 | gui_grab = 1; | |
222 | sdl_update_caption(scon); | |
223 | } | |
224 | ||
225 | static void sdl_grab_end(struct sdl2_console *scon) | |
226 | { | |
227 | SDL_SetWindowGrab(scon->real_window, SDL_FALSE); | |
228 | gui_grab = 0; | |
229 | sdl_show_cursor(); | |
230 | sdl_update_caption(scon); | |
231 | } | |
232 | ||
233 | static void absolute_mouse_grab(struct sdl2_console *scon) | |
234 | { | |
235 | int mouse_x, mouse_y; | |
236 | int scr_w, scr_h; | |
237 | SDL_GetMouseState(&mouse_x, &mouse_y); | |
238 | SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); | |
239 | if (mouse_x > 0 && mouse_x < scr_w - 1 && | |
240 | mouse_y > 0 && mouse_y < scr_h - 1) { | |
241 | sdl_grab_start(scon); | |
242 | } | |
243 | } | |
244 | ||
245 | static void sdl_mouse_mode_change(Notifier *notify, void *data) | |
246 | { | |
247 | if (qemu_input_is_absolute()) { | |
248 | if (!absolute_enabled) { | |
249 | absolute_enabled = 1; | |
250 | SDL_SetRelativeMouseMode(SDL_FALSE); | |
251 | absolute_mouse_grab(&sdl2_console[0]); | |
252 | } | |
253 | } else if (absolute_enabled) { | |
254 | if (!gui_fullscreen) { | |
255 | sdl_grab_end(&sdl2_console[0]); | |
256 | } | |
257 | absolute_enabled = 0; | |
258 | } | |
259 | } | |
260 | ||
261 | static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, | |
262 | int x, int y, int state) | |
263 | { | |
264 | static uint32_t bmap[INPUT_BUTTON__MAX] = { | |
265 | [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT), | |
266 | [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE), | |
267 | [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT), | |
268 | }; | |
269 | static uint32_t prev_state; | |
270 | ||
271 | if (prev_state != state) { | |
272 | qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state); | |
273 | prev_state = state; | |
274 | } | |
275 | ||
276 | if (qemu_input_is_absolute()) { | |
277 | qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, | |
278 | x, 0, surface_width(scon->surface)); | |
279 | qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, | |
280 | y, 0, surface_height(scon->surface)); | |
281 | } else { | |
282 | if (guest_cursor) { | |
283 | x -= guest_x; | |
284 | y -= guest_y; | |
285 | guest_x += x; | |
286 | guest_y += y; | |
287 | dx = x; | |
288 | dy = y; | |
289 | } | |
290 | qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx); | |
291 | qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy); | |
292 | } | |
293 | qemu_input_event_sync(); | |
294 | } | |
295 | ||
296 | static void toggle_full_screen(struct sdl2_console *scon) | |
297 | { | |
298 | gui_fullscreen = !gui_fullscreen; | |
299 | if (gui_fullscreen) { | |
300 | SDL_SetWindowFullscreen(scon->real_window, | |
301 | SDL_WINDOW_FULLSCREEN_DESKTOP); | |
302 | gui_saved_grab = gui_grab; | |
303 | sdl_grab_start(scon); | |
304 | } else { | |
305 | if (!gui_saved_grab) { | |
306 | sdl_grab_end(scon); | |
307 | } | |
308 | SDL_SetWindowFullscreen(scon->real_window, 0); | |
309 | } | |
310 | sdl2_redraw(scon); | |
311 | } | |
312 | ||
313 | static int get_mod_state(void) | |
314 | { | |
315 | SDL_Keymod mod = SDL_GetModState(); | |
316 | ||
317 | if (alt_grab) { | |
318 | return (mod & (gui_grab_code | KMOD_LSHIFT)) == | |
319 | (gui_grab_code | KMOD_LSHIFT); | |
320 | } else if (ctrl_grab) { | |
321 | return (mod & KMOD_RCTRL) == KMOD_RCTRL; | |
322 | } else { | |
323 | return (mod & gui_grab_code) == gui_grab_code; | |
324 | } | |
325 | } | |
326 | ||
327 | static void handle_keydown(SDL_Event *ev) | |
328 | { | |
329 | int win; | |
330 | struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); | |
331 | int gui_key_modifier_pressed = get_mod_state(); | |
332 | int gui_keysym = 0; | |
333 | ||
334 | if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) { | |
335 | switch (ev->key.keysym.scancode) { | |
336 | case SDL_SCANCODE_2: | |
337 | case SDL_SCANCODE_3: | |
338 | case SDL_SCANCODE_4: | |
339 | case SDL_SCANCODE_5: | |
340 | case SDL_SCANCODE_6: | |
341 | case SDL_SCANCODE_7: | |
342 | case SDL_SCANCODE_8: | |
343 | case SDL_SCANCODE_9: | |
344 | if (gui_grab) { | |
345 | sdl_grab_end(scon); | |
346 | } | |
347 | ||
348 | win = ev->key.keysym.scancode - SDL_SCANCODE_1; | |
349 | if (win < sdl2_num_outputs) { | |
350 | sdl2_console[win].hidden = !sdl2_console[win].hidden; | |
351 | if (sdl2_console[win].real_window) { | |
352 | if (sdl2_console[win].hidden) { | |
353 | SDL_HideWindow(sdl2_console[win].real_window); | |
354 | } else { | |
355 | SDL_ShowWindow(sdl2_console[win].real_window); | |
356 | } | |
357 | } | |
358 | gui_keysym = 1; | |
359 | } | |
360 | break; | |
361 | case SDL_SCANCODE_F: | |
362 | toggle_full_screen(scon); | |
363 | gui_keysym = 1; | |
364 | break; | |
365 | case SDL_SCANCODE_G: | |
366 | gui_keysym = 1; | |
367 | if (!gui_grab) { | |
368 | sdl_grab_start(scon); | |
369 | } else if (!gui_fullscreen) { | |
370 | sdl_grab_end(scon); | |
371 | } | |
372 | break; | |
373 | case SDL_SCANCODE_U: | |
374 | sdl2_window_resize(scon); | |
375 | if (!scon->opengl) { | |
376 | /* re-create scon->texture */ | |
377 | sdl2_2d_switch(&scon->dcl, scon->surface); | |
378 | } | |
379 | gui_keysym = 1; | |
380 | break; | |
381 | #if 0 | |
382 | case SDL_SCANCODE_KP_PLUS: | |
383 | case SDL_SCANCODE_KP_MINUS: | |
384 | if (!gui_fullscreen) { | |
385 | int scr_w, scr_h; | |
386 | int width, height; | |
387 | SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); | |
388 | ||
389 | width = MAX(scr_w + (ev->key.keysym.scancode == | |
390 | SDL_SCANCODE_KP_PLUS ? 50 : -50), | |
391 | 160); | |
392 | height = (surface_height(scon->surface) * width) / | |
393 | surface_width(scon->surface); | |
394 | fprintf(stderr, "%s: scale to %dx%d\n", | |
395 | __func__, width, height); | |
396 | sdl_scale(scon, width, height); | |
397 | sdl2_redraw(scon); | |
398 | gui_keysym = 1; | |
399 | } | |
400 | #endif | |
401 | default: | |
402 | break; | |
403 | } | |
404 | } | |
405 | if (!gui_keysym) { | |
406 | sdl2_process_key(scon, &ev->key); | |
407 | } | |
408 | } | |
409 | ||
410 | static void handle_keyup(SDL_Event *ev) | |
411 | { | |
412 | struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); | |
413 | ||
414 | scon->ignore_hotkeys = false; | |
415 | sdl2_process_key(scon, &ev->key); | |
416 | } | |
417 | ||
418 | static void handle_textinput(SDL_Event *ev) | |
419 | { | |
420 | struct sdl2_console *scon = get_scon_from_window(ev->text.windowID); | |
421 | QemuConsole *con = scon ? scon->dcl.con : NULL; | |
422 | ||
423 | if (qemu_console_is_graphic(con)) { | |
424 | return; | |
425 | } | |
426 | kbd_put_string_console(con, ev->text.text, strlen(ev->text.text)); | |
427 | } | |
428 | ||
429 | static void handle_mousemotion(SDL_Event *ev) | |
430 | { | |
431 | int max_x, max_y; | |
432 | struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID); | |
433 | ||
434 | if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { | |
435 | return; | |
436 | } | |
437 | ||
438 | if (qemu_input_is_absolute() || absolute_enabled) { | |
439 | int scr_w, scr_h; | |
440 | SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); | |
441 | max_x = scr_w - 1; | |
442 | max_y = scr_h - 1; | |
443 | if (gui_grab && !gui_fullscreen | |
444 | && (ev->motion.x == 0 || ev->motion.y == 0 || | |
445 | ev->motion.x == max_x || ev->motion.y == max_y)) { | |
446 | sdl_grab_end(scon); | |
447 | } | |
448 | if (!gui_grab && | |
449 | (ev->motion.x > 0 && ev->motion.x < max_x && | |
450 | ev->motion.y > 0 && ev->motion.y < max_y)) { | |
451 | sdl_grab_start(scon); | |
452 | } | |
453 | } | |
454 | if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { | |
455 | sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, | |
456 | ev->motion.x, ev->motion.y, ev->motion.state); | |
457 | } | |
458 | } | |
459 | ||
460 | static void handle_mousebutton(SDL_Event *ev) | |
461 | { | |
462 | int buttonstate = SDL_GetMouseState(NULL, NULL); | |
463 | SDL_MouseButtonEvent *bev; | |
464 | struct sdl2_console *scon = get_scon_from_window(ev->button.windowID); | |
465 | ||
466 | if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { | |
467 | return; | |
468 | } | |
469 | ||
470 | bev = &ev->button; | |
471 | if (!gui_grab && !qemu_input_is_absolute()) { | |
472 | if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { | |
473 | /* start grabbing all events */ | |
474 | sdl_grab_start(scon); | |
475 | } | |
476 | } else { | |
477 | if (ev->type == SDL_MOUSEBUTTONDOWN) { | |
478 | buttonstate |= SDL_BUTTON(bev->button); | |
479 | } else { | |
480 | buttonstate &= ~SDL_BUTTON(bev->button); | |
481 | } | |
482 | sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); | |
483 | } | |
484 | } | |
485 | ||
486 | static void handle_mousewheel(SDL_Event *ev) | |
487 | { | |
488 | struct sdl2_console *scon = get_scon_from_window(ev->wheel.windowID); | |
489 | SDL_MouseWheelEvent *wev = &ev->wheel; | |
490 | InputButton btn; | |
491 | ||
492 | if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { | |
493 | return; | |
494 | } | |
495 | ||
496 | if (wev->y > 0) { | |
497 | btn = INPUT_BUTTON_WHEEL_UP; | |
498 | } else if (wev->y < 0) { | |
499 | btn = INPUT_BUTTON_WHEEL_DOWN; | |
500 | } else { | |
501 | return; | |
502 | } | |
503 | ||
504 | qemu_input_queue_btn(scon->dcl.con, btn, true); | |
505 | qemu_input_event_sync(); | |
506 | qemu_input_queue_btn(scon->dcl.con, btn, false); | |
507 | qemu_input_event_sync(); | |
508 | } | |
509 | ||
510 | static void handle_windowevent(SDL_Event *ev) | |
511 | { | |
512 | struct sdl2_console *scon = get_scon_from_window(ev->window.windowID); | |
513 | bool allow_close = true; | |
514 | ||
515 | if (!scon) { | |
516 | return; | |
517 | } | |
518 | ||
519 | switch (ev->window.event) { | |
520 | case SDL_WINDOWEVENT_RESIZED: | |
521 | { | |
522 | QemuUIInfo info; | |
523 | memset(&info, 0, sizeof(info)); | |
524 | info.width = ev->window.data1; | |
525 | info.height = ev->window.data2; | |
526 | dpy_set_ui_info(scon->dcl.con, &info); | |
527 | } | |
528 | sdl2_redraw(scon); | |
529 | break; | |
530 | case SDL_WINDOWEVENT_EXPOSED: | |
531 | sdl2_redraw(scon); | |
532 | break; | |
533 | case SDL_WINDOWEVENT_FOCUS_GAINED: | |
534 | case SDL_WINDOWEVENT_ENTER: | |
535 | if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) { | |
536 | absolute_mouse_grab(scon); | |
537 | } | |
538 | /* If a new console window opened using a hotkey receives the | |
539 | * focus, SDL sends another KEYDOWN event to the new window, | |
540 | * closing the console window immediately after. | |
541 | * | |
542 | * Work around this by ignoring further hotkey events until a | |
543 | * key is released. | |
544 | */ | |
545 | scon->ignore_hotkeys = get_mod_state(); | |
546 | break; | |
547 | case SDL_WINDOWEVENT_FOCUS_LOST: | |
548 | if (gui_grab && !gui_fullscreen) { | |
549 | sdl_grab_end(scon); | |
550 | } | |
551 | break; | |
552 | case SDL_WINDOWEVENT_RESTORED: | |
553 | update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT); | |
554 | break; | |
555 | case SDL_WINDOWEVENT_MINIMIZED: | |
556 | update_displaychangelistener(&scon->dcl, 500); | |
557 | break; | |
558 | case SDL_WINDOWEVENT_CLOSE: | |
559 | if (qemu_console_is_graphic(scon->dcl.con)) { | |
560 | if (scon->opts->has_window_close && !scon->opts->window_close) { | |
561 | allow_close = false; | |
562 | } | |
563 | if (allow_close) { | |
564 | no_shutdown = 0; | |
565 | qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); | |
566 | } | |
567 | } else { | |
568 | SDL_HideWindow(scon->real_window); | |
569 | scon->hidden = true; | |
570 | } | |
571 | break; | |
572 | case SDL_WINDOWEVENT_SHOWN: | |
573 | scon->hidden = false; | |
574 | break; | |
575 | case SDL_WINDOWEVENT_HIDDEN: | |
576 | scon->hidden = true; | |
577 | break; | |
578 | } | |
579 | } | |
580 | ||
581 | void sdl2_poll_events(struct sdl2_console *scon) | |
582 | { | |
583 | SDL_Event ev1, *ev = &ev1; | |
584 | bool allow_close = true; | |
585 | int idle = 1; | |
586 | ||
587 | if (scon->last_vm_running != runstate_is_running()) { | |
588 | scon->last_vm_running = runstate_is_running(); | |
589 | sdl_update_caption(scon); | |
590 | } | |
591 | ||
592 | while (SDL_PollEvent(ev)) { | |
593 | switch (ev->type) { | |
594 | case SDL_KEYDOWN: | |
595 | idle = 0; | |
596 | handle_keydown(ev); | |
597 | break; | |
598 | case SDL_KEYUP: | |
599 | idle = 0; | |
600 | handle_keyup(ev); | |
601 | break; | |
602 | case SDL_TEXTINPUT: | |
603 | idle = 0; | |
604 | handle_textinput(ev); | |
605 | break; | |
606 | case SDL_QUIT: | |
607 | if (scon->opts->has_window_close && !scon->opts->window_close) { | |
608 | allow_close = false; | |
609 | } | |
610 | if (allow_close) { | |
611 | no_shutdown = 0; | |
612 | qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); | |
613 | } | |
614 | break; | |
615 | case SDL_MOUSEMOTION: | |
616 | idle = 0; | |
617 | handle_mousemotion(ev); | |
618 | break; | |
619 | case SDL_MOUSEBUTTONDOWN: | |
620 | case SDL_MOUSEBUTTONUP: | |
621 | idle = 0; | |
622 | handle_mousebutton(ev); | |
623 | break; | |
624 | case SDL_MOUSEWHEEL: | |
625 | idle = 0; | |
626 | handle_mousewheel(ev); | |
627 | break; | |
628 | case SDL_WINDOWEVENT: | |
629 | handle_windowevent(ev); | |
630 | break; | |
631 | default: | |
632 | break; | |
633 | } | |
634 | } | |
635 | ||
636 | if (idle) { | |
637 | if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { | |
638 | scon->idle_counter++; | |
639 | if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { | |
640 | scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; | |
641 | } | |
642 | } | |
643 | } else { | |
644 | scon->idle_counter = 0; | |
645 | scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; | |
646 | } | |
647 | } | |
648 | ||
649 | static void sdl_mouse_warp(DisplayChangeListener *dcl, | |
650 | int x, int y, int on) | |
651 | { | |
652 | struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl); | |
653 | ||
654 | if (!qemu_console_is_graphic(scon->dcl.con)) { | |
655 | return; | |
656 | } | |
657 | ||
658 | if (on) { | |
659 | if (!guest_cursor) { | |
660 | sdl_show_cursor(); | |
661 | } | |
662 | if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { | |
663 | SDL_SetCursor(guest_sprite); | |
664 | if (!qemu_input_is_absolute() && !absolute_enabled) { | |
665 | SDL_WarpMouseInWindow(scon->real_window, x, y); | |
666 | } | |
667 | } | |
668 | } else if (gui_grab) { | |
669 | sdl_hide_cursor(); | |
670 | } | |
671 | guest_cursor = on; | |
672 | guest_x = x, guest_y = y; | |
673 | } | |
674 | ||
675 | static void sdl_mouse_define(DisplayChangeListener *dcl, | |
676 | QEMUCursor *c) | |
677 | { | |
678 | ||
679 | if (guest_sprite) { | |
680 | SDL_FreeCursor(guest_sprite); | |
681 | } | |
682 | ||
683 | if (guest_sprite_surface) { | |
684 | SDL_FreeSurface(guest_sprite_surface); | |
685 | } | |
686 | ||
687 | guest_sprite_surface = | |
688 | SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, | |
689 | 0xff0000, 0x00ff00, 0xff, 0xff000000); | |
690 | ||
691 | if (!guest_sprite_surface) { | |
692 | fprintf(stderr, "Failed to make rgb surface from %p\n", c); | |
693 | return; | |
694 | } | |
695 | guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, | |
696 | c->hot_x, c->hot_y); | |
697 | if (!guest_sprite) { | |
698 | fprintf(stderr, "Failed to make color cursor from %p\n", c); | |
699 | return; | |
700 | } | |
701 | if (guest_cursor && | |
702 | (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { | |
703 | SDL_SetCursor(guest_sprite); | |
704 | } | |
705 | } | |
706 | ||
707 | static void sdl_cleanup(void) | |
708 | { | |
709 | if (guest_sprite) { | |
710 | SDL_FreeCursor(guest_sprite); | |
711 | } | |
712 | SDL_QuitSubSystem(SDL_INIT_VIDEO); | |
713 | } | |
714 | ||
715 | static const DisplayChangeListenerOps dcl_2d_ops = { | |
716 | .dpy_name = "sdl2-2d", | |
717 | .dpy_gfx_update = sdl2_2d_update, | |
718 | .dpy_gfx_switch = sdl2_2d_switch, | |
719 | .dpy_gfx_check_format = sdl2_2d_check_format, | |
720 | .dpy_refresh = sdl2_2d_refresh, | |
721 | .dpy_mouse_set = sdl_mouse_warp, | |
722 | .dpy_cursor_define = sdl_mouse_define, | |
723 | }; | |
724 | ||
725 | #ifdef CONFIG_OPENGL | |
726 | static const DisplayChangeListenerOps dcl_gl_ops = { | |
727 | .dpy_name = "sdl2-gl", | |
728 | .dpy_gfx_update = sdl2_gl_update, | |
729 | .dpy_gfx_switch = sdl2_gl_switch, | |
730 | .dpy_gfx_check_format = console_gl_check_format, | |
731 | .dpy_refresh = sdl2_gl_refresh, | |
732 | .dpy_mouse_set = sdl_mouse_warp, | |
733 | .dpy_cursor_define = sdl_mouse_define, | |
734 | ||
735 | .dpy_gl_ctx_create = sdl2_gl_create_context, | |
736 | .dpy_gl_ctx_destroy = sdl2_gl_destroy_context, | |
737 | .dpy_gl_ctx_make_current = sdl2_gl_make_context_current, | |
738 | .dpy_gl_ctx_get_current = sdl2_gl_get_current_context, | |
739 | .dpy_gl_scanout_disable = sdl2_gl_scanout_disable, | |
740 | .dpy_gl_scanout_texture = sdl2_gl_scanout_texture, | |
741 | .dpy_gl_update = sdl2_gl_scanout_flush, | |
742 | }; | |
743 | #endif | |
744 | ||
745 | static void sdl2_display_early_init(DisplayOptions *o) | |
746 | { | |
747 | assert(o->type == DISPLAY_TYPE_SDL); | |
748 | if (o->has_gl && o->gl) { | |
749 | #ifdef CONFIG_OPENGL | |
750 | display_opengl = 1; | |
751 | #endif | |
752 | } | |
753 | } | |
754 | ||
755 | static void sdl2_display_init(DisplayState *ds, DisplayOptions *o) | |
756 | { | |
757 | uint8_t data = 0; | |
758 | int i; | |
759 | SDL_SysWMinfo info; | |
760 | SDL_Surface *icon = NULL; | |
761 | ||
762 | assert(o->type == DISPLAY_TYPE_SDL); | |
763 | ||
764 | #ifdef __linux__ | |
765 | /* on Linux, SDL may use fbcon|directfb|svgalib when run without | |
766 | * accessible $DISPLAY to open X11 window. This is often the case | |
767 | * when qemu is run using sudo. But in this case, and when actually | |
768 | * run in X11 environment, SDL fights with X11 for the video card, | |
769 | * making current display unavailable, often until reboot. | |
770 | * So make x11 the default SDL video driver if this variable is unset. | |
771 | * This is a bit hackish but saves us from bigger problem. | |
772 | * Maybe it's a good idea to fix this in SDL instead. | |
773 | */ | |
774 | setenv("SDL_VIDEODRIVER", "x11", 0); | |
775 | #endif | |
776 | ||
777 | if (SDL_Init(SDL_INIT_VIDEO)) { | |
778 | fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", | |
779 | SDL_GetError()); | |
780 | exit(1); | |
781 | } | |
782 | #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */ | |
783 | SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); | |
784 | #endif | |
785 | SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); | |
786 | memset(&info, 0, sizeof(info)); | |
787 | SDL_VERSION(&info.version); | |
788 | ||
789 | gui_fullscreen = o->has_full_screen && o->full_screen; | |
790 | ||
791 | for (i = 0;; i++) { | |
792 | QemuConsole *con = qemu_console_lookup_by_index(i); | |
793 | if (!con) { | |
794 | break; | |
795 | } | |
796 | } | |
797 | sdl2_num_outputs = i; | |
798 | if (sdl2_num_outputs == 0) { | |
799 | return; | |
800 | } | |
801 | sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs); | |
802 | for (i = 0; i < sdl2_num_outputs; i++) { | |
803 | QemuConsole *con = qemu_console_lookup_by_index(i); | |
804 | assert(con != NULL); | |
805 | if (!qemu_console_is_graphic(con) && | |
806 | qemu_console_get_index(con) != 0) { | |
807 | sdl2_console[i].hidden = true; | |
808 | } | |
809 | sdl2_console[i].idx = i; | |
810 | sdl2_console[i].opts = o; | |
811 | #ifdef CONFIG_OPENGL | |
812 | sdl2_console[i].opengl = display_opengl; | |
813 | sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops; | |
814 | #else | |
815 | sdl2_console[i].opengl = 0; | |
816 | sdl2_console[i].dcl.ops = &dcl_2d_ops; | |
817 | #endif | |
818 | sdl2_console[i].dcl.con = con; | |
819 | sdl2_console[i].kbd = qkbd_state_init(con); | |
820 | register_displaychangelistener(&sdl2_console[i].dcl); | |
821 | ||
822 | #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11) | |
823 | if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) { | |
824 | #if defined(SDL_VIDEO_DRIVER_WINDOWS) | |
825 | qemu_console_set_window_id(con, (uintptr_t)info.info.win.window); | |
826 | #elif defined(SDL_VIDEO_DRIVER_X11) | |
827 | qemu_console_set_window_id(con, info.info.x11.window); | |
828 | #endif | |
829 | } | |
830 | #endif | |
831 | } | |
832 | ||
833 | #ifdef CONFIG_SDL_IMAGE | |
834 | icon = IMG_Load(CONFIG_QEMU_ICONDIR "/hicolor/128x128/apps/qemu.png"); | |
835 | #else | |
836 | /* Load a 32x32x4 image. White pixels are transparent. */ | |
837 | icon = SDL_LoadBMP(CONFIG_QEMU_ICONDIR "/hicolor/32x32/apps/qemu.bmp"); | |
838 | if (icon) { | |
839 | uint32_t colorkey = SDL_MapRGB(icon->format, 255, 255, 255); | |
840 | SDL_SetColorKey(icon, SDL_TRUE, colorkey); | |
841 | } | |
842 | #endif | |
843 | if (icon) { | |
844 | SDL_SetWindowIcon(sdl2_console[0].real_window, icon); | |
845 | } | |
846 | ||
847 | gui_grab = 0; | |
848 | if (gui_fullscreen) { | |
849 | sdl_grab_start(0); | |
850 | } | |
851 | ||
852 | mouse_mode_notifier.notify = sdl_mouse_mode_change; | |
853 | qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); | |
854 | ||
855 | sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); | |
856 | sdl_cursor_normal = SDL_GetCursor(); | |
857 | ||
858 | atexit(sdl_cleanup); | |
859 | } | |
860 | ||
861 | static QemuDisplay qemu_display_sdl2 = { | |
862 | .type = DISPLAY_TYPE_SDL, | |
863 | .early_init = sdl2_display_early_init, | |
864 | .init = sdl2_display_init, | |
865 | }; | |
866 | ||
867 | static void register_sdl1(void) | |
868 | { | |
869 | qemu_display_register(&qemu_display_sdl2); | |
870 | } | |
871 | ||
872 | type_init(register_sdl1); |