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/module.h"
28 #include "qemu/cutils.h"
29 #include "ui/console.h"
30 #include "ui/input.h"
31 #include "ui/sdl2.h"
32 #include "system/runstate.h"
33 #include "system/runstate-action.h"
34 #include "system/system.h"
35 #include "qemu/log.h"
36 #include "qemu-main.h"
37
38 static int sdl2_num_outputs;
39 static struct sdl2_console *sdl2_console;
40
41 static SDL_Surface *guest_sprite_surface;
42 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
43 static bool alt_grab;
44 static bool ctrl_grab;
45
46 static int gui_saved_grab;
47 static int gui_fullscreen;
48 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
49 static SDL_Cursor *sdl_cursor_normal;
50 static SDL_Cursor *sdl_cursor_hidden;
51 static int absolute_enabled;
52 static bool guest_cursor;
53 static int guest_x, guest_y;
54 static SDL_Cursor *guest_sprite;
55 static Notifier mouse_mode_notifier;
56
57 #define SDL2_REFRESH_INTERVAL_BUSY 10
58 #define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \
59 / SDL2_REFRESH_INTERVAL_BUSY + 1)
60
61 /* introduced in SDL 2.0.10 */
62 #ifndef SDL_HINT_RENDER_BATCHING
63 #define SDL_HINT_RENDER_BATCHING "SDL_RENDER_BATCHING"
64 #endif
65
66 static void sdl_update_caption(struct sdl2_console *scon);
67
get_scon_from_window(uint32_t window_id)68 static struct sdl2_console *get_scon_from_window(uint32_t window_id)
69 {
70 int i;
71 for (i = 0; i < sdl2_num_outputs; i++) {
72 if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) {
73 return &sdl2_console[i];
74 }
75 }
76 return NULL;
77 }
78
sdl2_window_create(struct sdl2_console * scon)79 void sdl2_window_create(struct sdl2_console *scon)
80 {
81 int flags = 0;
82
83 if (!scon->surface) {
84 return;
85 }
86 assert(!scon->real_window);
87
88 if (gui_fullscreen) {
89 flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
90 } else {
91 flags |= SDL_WINDOW_RESIZABLE;
92 }
93 if (scon->hidden) {
94 flags |= SDL_WINDOW_HIDDEN;
95 }
96 #ifdef CONFIG_OPENGL
97 if (scon->opengl) {
98 flags |= SDL_WINDOW_OPENGL;
99 }
100 #endif
101
102 scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED,
103 SDL_WINDOWPOS_UNDEFINED,
104 surface_width(scon->surface),
105 surface_height(scon->surface),
106 flags);
107 if (scon->opengl) {
108 const char *driver = "opengl";
109
110 if (scon->opts->gl == DISPLAY_GL_MODE_ES) {
111 driver = "opengles2";
112 }
113
114 SDL_SetHint(SDL_HINT_RENDER_DRIVER, driver);
115 SDL_SetHint(SDL_HINT_RENDER_BATCHING, "1");
116
117 scon->winctx = SDL_GL_CreateContext(scon->real_window);
118 SDL_GL_SetSwapInterval(0);
119 } else {
120 /* The SDL renderer is only used by sdl2-2D, when OpenGL is disabled */
121 scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0);
122 }
123 sdl_update_caption(scon);
124 }
125
sdl2_window_destroy(struct sdl2_console * scon)126 void sdl2_window_destroy(struct sdl2_console *scon)
127 {
128 if (!scon->real_window) {
129 return;
130 }
131
132 if (scon->winctx) {
133 SDL_GL_DeleteContext(scon->winctx);
134 scon->winctx = NULL;
135 }
136 if (scon->real_renderer) {
137 SDL_DestroyRenderer(scon->real_renderer);
138 scon->real_renderer = NULL;
139 }
140 SDL_DestroyWindow(scon->real_window);
141 scon->real_window = NULL;
142 }
143
sdl2_window_resize(struct sdl2_console * scon)144 void sdl2_window_resize(struct sdl2_console *scon)
145 {
146 if (!scon->real_window) {
147 return;
148 }
149
150 SDL_SetWindowSize(scon->real_window,
151 surface_width(scon->surface),
152 surface_height(scon->surface));
153 }
154
sdl2_redraw(struct sdl2_console * scon)155 static void sdl2_redraw(struct sdl2_console *scon)
156 {
157 if (scon->opengl) {
158 #ifdef CONFIG_OPENGL
159 sdl2_gl_redraw(scon);
160 #endif
161 } else {
162 sdl2_2d_redraw(scon);
163 }
164 }
165
sdl_update_caption(struct sdl2_console * scon)166 static void sdl_update_caption(struct sdl2_console *scon)
167 {
168 char win_title[1024];
169 char icon_title[1024];
170 const char *status = "";
171
172 if (!runstate_is_running()) {
173 status = " [Stopped]";
174 } else if (gui_grab) {
175 if (alt_grab) {
176 #ifdef CONFIG_DARWIN
177 status = " - Press ⌃⌥⇧G to exit grab";
178 #else
179 status = " - Press Ctrl-Alt-Shift-G to exit grab";
180 #endif
181 } else if (ctrl_grab) {
182 status = " - Press Right-Ctrl-G to exit grab";
183 } else {
184 #ifdef CONFIG_DARWIN
185 status = " - Press ⌃⌥G to exit grab";
186 #else
187 status = " - Press Ctrl-Alt-G to exit grab";
188 #endif
189 }
190 }
191
192 if (qemu_name) {
193 snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name,
194 scon->idx, status);
195 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
196 } else {
197 snprintf(win_title, sizeof(win_title), "QEMU%s", status);
198 snprintf(icon_title, sizeof(icon_title), "QEMU");
199 }
200
201 if (scon->real_window) {
202 SDL_SetWindowTitle(scon->real_window, win_title);
203 }
204 }
205
sdl_hide_cursor(struct sdl2_console * scon)206 static void sdl_hide_cursor(struct sdl2_console *scon)
207 {
208 if (scon->opts->has_show_cursor && scon->opts->show_cursor) {
209 return;
210 }
211
212 SDL_ShowCursor(SDL_DISABLE);
213 SDL_SetCursor(sdl_cursor_hidden);
214
215 if (!qemu_input_is_absolute(scon->dcl.con)) {
216 SDL_SetRelativeMouseMode(SDL_TRUE);
217 }
218 }
219
sdl_show_cursor(struct sdl2_console * scon)220 static void sdl_show_cursor(struct sdl2_console *scon)
221 {
222 if (scon->opts->has_show_cursor && scon->opts->show_cursor) {
223 return;
224 }
225
226 if (!qemu_input_is_absolute(scon->dcl.con)) {
227 SDL_SetRelativeMouseMode(SDL_FALSE);
228 }
229
230 if (guest_cursor &&
231 (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) {
232 SDL_SetCursor(guest_sprite);
233 } else {
234 SDL_SetCursor(sdl_cursor_normal);
235 }
236
237 SDL_ShowCursor(SDL_ENABLE);
238 }
239
sdl_grab_start(struct sdl2_console * scon)240 static void sdl_grab_start(struct sdl2_console *scon)
241 {
242 QemuConsole *con = scon ? scon->dcl.con : NULL;
243
244 if (!con || !qemu_console_is_graphic(con)) {
245 return;
246 }
247 /*
248 * If the application is not active, do not try to enter grab state. This
249 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the
250 * application (SDL bug).
251 */
252 if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) {
253 return;
254 }
255 if (guest_cursor) {
256 SDL_SetCursor(guest_sprite);
257 if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) {
258 SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y);
259 }
260 } else {
261 sdl_hide_cursor(scon);
262 }
263 SDL_SetWindowGrab(scon->real_window, SDL_TRUE);
264 gui_grab = 1;
265 sdl_update_caption(scon);
266 }
267
sdl_grab_end(struct sdl2_console * scon)268 static void sdl_grab_end(struct sdl2_console *scon)
269 {
270 SDL_SetWindowGrab(scon->real_window, SDL_FALSE);
271 gui_grab = 0;
272 sdl_show_cursor(scon);
273 sdl_update_caption(scon);
274 }
275
absolute_mouse_grab(struct sdl2_console * scon)276 static void absolute_mouse_grab(struct sdl2_console *scon)
277 {
278 int mouse_x, mouse_y;
279 int scr_w, scr_h;
280 SDL_GetMouseState(&mouse_x, &mouse_y);
281 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
282 if (mouse_x > 0 && mouse_x < scr_w - 1 &&
283 mouse_y > 0 && mouse_y < scr_h - 1) {
284 sdl_grab_start(scon);
285 }
286 }
287
sdl_mouse_mode_change(Notifier * notify,void * data)288 static void sdl_mouse_mode_change(Notifier *notify, void *data)
289 {
290 if (qemu_input_is_absolute(sdl2_console[0].dcl.con)) {
291 if (!absolute_enabled) {
292 absolute_enabled = 1;
293 SDL_SetRelativeMouseMode(SDL_FALSE);
294 absolute_mouse_grab(&sdl2_console[0]);
295 }
296 } else if (absolute_enabled) {
297 if (!gui_fullscreen) {
298 sdl_grab_end(&sdl2_console[0]);
299 }
300 absolute_enabled = 0;
301 }
302 }
303
sdl_send_mouse_event(struct sdl2_console * scon,int dx,int dy,int x,int y,int state)304 static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy,
305 int x, int y, int state)
306 {
307 static uint32_t bmap[INPUT_BUTTON__MAX] = {
308 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT),
309 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE),
310 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT),
311 [INPUT_BUTTON_SIDE] = SDL_BUTTON(SDL_BUTTON_X1),
312 [INPUT_BUTTON_EXTRA] = SDL_BUTTON(SDL_BUTTON_X2)
313 };
314 static uint32_t prev_state;
315
316 if (prev_state != state) {
317 qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state);
318 prev_state = state;
319 }
320
321 if (qemu_input_is_absolute(scon->dcl.con)) {
322 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X,
323 x, 0, surface_width(scon->surface));
324 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y,
325 y, 0, surface_height(scon->surface));
326 } else {
327 if (guest_cursor) {
328 x -= guest_x;
329 y -= guest_y;
330 guest_x += x;
331 guest_y += y;
332 dx = x;
333 dy = y;
334 }
335 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx);
336 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy);
337 }
338 qemu_input_event_sync();
339 }
340
toggle_full_screen(struct sdl2_console * scon)341 static void toggle_full_screen(struct sdl2_console *scon)
342 {
343 gui_fullscreen = !gui_fullscreen;
344 if (gui_fullscreen) {
345 SDL_SetWindowFullscreen(scon->real_window,
346 SDL_WINDOW_FULLSCREEN_DESKTOP);
347 gui_saved_grab = gui_grab;
348 sdl_grab_start(scon);
349 } else {
350 if (!gui_saved_grab) {
351 sdl_grab_end(scon);
352 }
353 SDL_SetWindowFullscreen(scon->real_window, 0);
354 }
355 sdl2_redraw(scon);
356 }
357
get_mod_state(void)358 static int get_mod_state(void)
359 {
360 SDL_Keymod mod = SDL_GetModState();
361
362 if (alt_grab) {
363 return (mod & (gui_grab_code | KMOD_LSHIFT)) ==
364 (gui_grab_code | KMOD_LSHIFT);
365 } else if (ctrl_grab) {
366 return (mod & KMOD_RCTRL) == KMOD_RCTRL;
367 } else {
368 return (mod & gui_grab_code) == gui_grab_code;
369 }
370 }
371
handle_keydown(SDL_Event * ev)372 static void handle_keydown(SDL_Event *ev)
373 {
374 int win;
375 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
376 int gui_key_modifier_pressed = get_mod_state();
377
378 if (!scon) {
379 return;
380 }
381
382 scon->gui_keysym = false;
383
384 if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) {
385 switch (ev->key.keysym.scancode) {
386 case SDL_SCANCODE_2:
387 case SDL_SCANCODE_3:
388 case SDL_SCANCODE_4:
389 case SDL_SCANCODE_5:
390 case SDL_SCANCODE_6:
391 case SDL_SCANCODE_7:
392 case SDL_SCANCODE_8:
393 case SDL_SCANCODE_9:
394 if (gui_grab) {
395 sdl_grab_end(scon);
396 }
397
398 win = ev->key.keysym.scancode - SDL_SCANCODE_1;
399 if (win < sdl2_num_outputs) {
400 sdl2_console[win].hidden = !sdl2_console[win].hidden;
401 if (sdl2_console[win].real_window) {
402 if (sdl2_console[win].hidden) {
403 SDL_HideWindow(sdl2_console[win].real_window);
404 } else {
405 SDL_ShowWindow(sdl2_console[win].real_window);
406 }
407 }
408 sdl2_release_modifiers(scon);
409 scon->gui_keysym = true;
410 }
411 break;
412 case SDL_SCANCODE_F:
413 toggle_full_screen(scon);
414 scon->gui_keysym = true;
415 break;
416 case SDL_SCANCODE_G:
417 scon->gui_keysym = true;
418 if (!gui_grab) {
419 sdl_grab_start(scon);
420 } else if (!gui_fullscreen) {
421 sdl_grab_end(scon);
422 }
423 break;
424 case SDL_SCANCODE_U:
425 sdl2_window_resize(scon);
426 if (!scon->opengl) {
427 /* re-create scon->texture */
428 sdl2_2d_switch(&scon->dcl, scon->surface);
429 }
430 scon->gui_keysym = true;
431 break;
432 #if 0
433 case SDL_SCANCODE_KP_PLUS:
434 case SDL_SCANCODE_KP_MINUS:
435 if (!gui_fullscreen) {
436 int scr_w, scr_h;
437 int width, height;
438 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
439
440 width = MAX(scr_w + (ev->key.keysym.scancode ==
441 SDL_SCANCODE_KP_PLUS ? 50 : -50),
442 160);
443 height = (surface_height(scon->surface) * width) /
444 surface_width(scon->surface);
445 fprintf(stderr, "%s: scale to %dx%d\n",
446 __func__, width, height);
447 sdl_scale(scon, width, height);
448 sdl2_redraw(scon);
449 scon->gui_keysym = true;
450 }
451 #endif
452 default:
453 break;
454 }
455 }
456 if (!scon->gui_keysym) {
457 sdl2_process_key(scon, &ev->key);
458 }
459 }
460
handle_keyup(SDL_Event * ev)461 static void handle_keyup(SDL_Event *ev)
462 {
463 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
464
465 if (!scon) {
466 return;
467 }
468
469 scon->ignore_hotkeys = false;
470 sdl2_process_key(scon, &ev->key);
471 }
472
handle_textinput(SDL_Event * ev)473 static void handle_textinput(SDL_Event *ev)
474 {
475 struct sdl2_console *scon = get_scon_from_window(ev->text.windowID);
476 QemuConsole *con = scon ? scon->dcl.con : NULL;
477
478 if (!con) {
479 return;
480 }
481
482 if (!scon->gui_keysym && QEMU_IS_TEXT_CONSOLE(con)) {
483 qemu_text_console_put_string(QEMU_TEXT_CONSOLE(con), ev->text.text, strlen(ev->text.text));
484 }
485 }
486
handle_mousemotion(SDL_Event * ev)487 static void handle_mousemotion(SDL_Event *ev)
488 {
489 int max_x, max_y;
490 struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID);
491
492 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) {
493 return;
494 }
495
496 if (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) {
497 int scr_w, scr_h;
498 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
499 max_x = scr_w - 1;
500 max_y = scr_h - 1;
501 if (gui_grab && !gui_fullscreen
502 && (ev->motion.x == 0 || ev->motion.y == 0 ||
503 ev->motion.x == max_x || ev->motion.y == max_y)) {
504 sdl_grab_end(scon);
505 }
506 if (!gui_grab &&
507 (ev->motion.x > 0 && ev->motion.x < max_x &&
508 ev->motion.y > 0 && ev->motion.y < max_y)) {
509 sdl_grab_start(scon);
510 }
511 }
512 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) {
513 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel,
514 ev->motion.x, ev->motion.y, ev->motion.state);
515 }
516 }
517
handle_mousebutton(SDL_Event * ev)518 static void handle_mousebutton(SDL_Event *ev)
519 {
520 int buttonstate = SDL_GetMouseState(NULL, NULL);
521 SDL_MouseButtonEvent *bev;
522 struct sdl2_console *scon = get_scon_from_window(ev->button.windowID);
523
524 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) {
525 return;
526 }
527
528 bev = &ev->button;
529 if (!gui_grab && !qemu_input_is_absolute(scon->dcl.con)) {
530 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) {
531 /* start grabbing all events */
532 sdl_grab_start(scon);
533 }
534 } else {
535 if (ev->type == SDL_MOUSEBUTTONDOWN) {
536 buttonstate |= SDL_BUTTON(bev->button);
537 } else {
538 buttonstate &= ~SDL_BUTTON(bev->button);
539 }
540 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate);
541 }
542 }
543
handle_mousewheel(SDL_Event * ev)544 static void handle_mousewheel(SDL_Event *ev)
545 {
546 struct sdl2_console *scon = get_scon_from_window(ev->wheel.windowID);
547 SDL_MouseWheelEvent *wev = &ev->wheel;
548 InputButton btn;
549
550 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) {
551 return;
552 }
553
554 if (wev->y > 0) {
555 btn = INPUT_BUTTON_WHEEL_UP;
556 } else if (wev->y < 0) {
557 btn = INPUT_BUTTON_WHEEL_DOWN;
558 } else if (wev->x < 0) {
559 btn = INPUT_BUTTON_WHEEL_RIGHT;
560 } else if (wev->x > 0) {
561 btn = INPUT_BUTTON_WHEEL_LEFT;
562 } else {
563 return;
564 }
565
566 qemu_input_queue_btn(scon->dcl.con, btn, true);
567 qemu_input_event_sync();
568 qemu_input_queue_btn(scon->dcl.con, btn, false);
569 qemu_input_event_sync();
570 }
571
handle_windowevent(SDL_Event * ev)572 static void handle_windowevent(SDL_Event *ev)
573 {
574 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID);
575 bool allow_close = true;
576
577 if (!scon) {
578 return;
579 }
580
581 switch (ev->window.event) {
582 case SDL_WINDOWEVENT_RESIZED:
583 {
584 QemuUIInfo info;
585 memset(&info, 0, sizeof(info));
586 info.width = ev->window.data1;
587 info.height = ev->window.data2;
588 dpy_set_ui_info(scon->dcl.con, &info, true);
589 }
590 sdl2_redraw(scon);
591 break;
592 case SDL_WINDOWEVENT_EXPOSED:
593 sdl2_redraw(scon);
594 break;
595 case SDL_WINDOWEVENT_FOCUS_GAINED:
596 /* fall through */
597 case SDL_WINDOWEVENT_ENTER:
598 if (!gui_grab && (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) {
599 absolute_mouse_grab(scon);
600 }
601 /* If a new console window opened using a hotkey receives the
602 * focus, SDL sends another KEYDOWN event to the new window,
603 * closing the console window immediately after.
604 *
605 * Work around this by ignoring further hotkey events until a
606 * key is released.
607 */
608 scon->ignore_hotkeys = get_mod_state();
609 break;
610 case SDL_WINDOWEVENT_FOCUS_LOST:
611 if (gui_grab && !gui_fullscreen) {
612 sdl_grab_end(scon);
613 }
614 break;
615 case SDL_WINDOWEVENT_RESTORED:
616 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT);
617 break;
618 case SDL_WINDOWEVENT_MINIMIZED:
619 update_displaychangelistener(&scon->dcl, 500);
620 break;
621 case SDL_WINDOWEVENT_CLOSE:
622 if (qemu_console_is_graphic(scon->dcl.con)) {
623 if (scon->opts->has_window_close && !scon->opts->window_close) {
624 allow_close = false;
625 }
626 if (allow_close) {
627 shutdown_action = SHUTDOWN_ACTION_POWEROFF;
628 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
629 }
630 } else {
631 SDL_HideWindow(scon->real_window);
632 scon->hidden = true;
633 }
634 break;
635 case SDL_WINDOWEVENT_SHOWN:
636 scon->hidden = false;
637 break;
638 case SDL_WINDOWEVENT_HIDDEN:
639 scon->hidden = true;
640 break;
641 }
642 }
643
sdl2_poll_events(struct sdl2_console * scon)644 void sdl2_poll_events(struct sdl2_console *scon)
645 {
646 SDL_Event ev1, *ev = &ev1;
647 bool allow_close = true;
648 int idle = 1;
649
650 if (scon->last_vm_running != runstate_is_running()) {
651 scon->last_vm_running = runstate_is_running();
652 sdl_update_caption(scon);
653 }
654
655 while (SDL_PollEvent(ev)) {
656 switch (ev->type) {
657 case SDL_KEYDOWN:
658 idle = 0;
659 handle_keydown(ev);
660 break;
661 case SDL_KEYUP:
662 idle = 0;
663 handle_keyup(ev);
664 break;
665 case SDL_TEXTINPUT:
666 idle = 0;
667 handle_textinput(ev);
668 break;
669 case SDL_QUIT:
670 if (scon->opts->has_window_close && !scon->opts->window_close) {
671 allow_close = false;
672 }
673 if (allow_close) {
674 shutdown_action = SHUTDOWN_ACTION_POWEROFF;
675 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
676 }
677 break;
678 case SDL_MOUSEMOTION:
679 idle = 0;
680 handle_mousemotion(ev);
681 break;
682 case SDL_MOUSEBUTTONDOWN:
683 case SDL_MOUSEBUTTONUP:
684 idle = 0;
685 handle_mousebutton(ev);
686 break;
687 case SDL_MOUSEWHEEL:
688 idle = 0;
689 handle_mousewheel(ev);
690 break;
691 case SDL_WINDOWEVENT:
692 handle_windowevent(ev);
693 break;
694 default:
695 break;
696 }
697 }
698
699 if (idle) {
700 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) {
701 scon->idle_counter++;
702 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) {
703 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT;
704 }
705 }
706 } else {
707 scon->idle_counter = 0;
708 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY;
709 }
710 }
711
sdl_mouse_warp(DisplayChangeListener * dcl,int x,int y,bool on)712 static void sdl_mouse_warp(DisplayChangeListener *dcl,
713 int x, int y, bool on)
714 {
715 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
716
717 if (!qemu_console_is_graphic(scon->dcl.con)) {
718 return;
719 }
720
721 if (on) {
722 if (!guest_cursor) {
723 sdl_show_cursor(scon);
724 }
725 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) {
726 SDL_SetCursor(guest_sprite);
727 if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) {
728 SDL_WarpMouseInWindow(scon->real_window, x, y);
729 }
730 }
731 } else if (gui_grab) {
732 sdl_hide_cursor(scon);
733 }
734 guest_cursor = on;
735 guest_x = x, guest_y = y;
736 }
737
sdl_mouse_define(DisplayChangeListener * dcl,QEMUCursor * c)738 static void sdl_mouse_define(DisplayChangeListener *dcl,
739 QEMUCursor *c)
740 {
741
742 if (guest_sprite) {
743 SDL_FreeCursor(guest_sprite);
744 }
745
746 if (guest_sprite_surface) {
747 SDL_FreeSurface(guest_sprite_surface);
748 }
749
750 guest_sprite_surface =
751 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4,
752 0xff0000, 0x00ff00, 0xff, 0xff000000);
753
754 if (!guest_sprite_surface) {
755 fprintf(stderr, "Failed to make rgb surface from %p\n", c);
756 return;
757 }
758 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface,
759 c->hot_x, c->hot_y);
760 if (!guest_sprite) {
761 fprintf(stderr, "Failed to make color cursor from %p\n", c);
762 return;
763 }
764 if (guest_cursor &&
765 (gui_grab || qemu_input_is_absolute(dcl->con) || absolute_enabled)) {
766 SDL_SetCursor(guest_sprite);
767 }
768 }
769
sdl_cleanup(void)770 static void sdl_cleanup(void)
771 {
772 if (guest_sprite) {
773 SDL_FreeCursor(guest_sprite);
774 }
775 SDL_QuitSubSystem(SDL_INIT_VIDEO);
776 }
777
778 static const DisplayChangeListenerOps dcl_2d_ops = {
779 .dpy_name = "sdl2-2d",
780 .dpy_gfx_update = sdl2_2d_update,
781 .dpy_gfx_switch = sdl2_2d_switch,
782 .dpy_gfx_check_format = sdl2_2d_check_format,
783 .dpy_refresh = sdl2_2d_refresh,
784 .dpy_mouse_set = sdl_mouse_warp,
785 .dpy_cursor_define = sdl_mouse_define,
786 };
787
788 #ifdef CONFIG_OPENGL
789 static const DisplayChangeListenerOps dcl_gl_ops = {
790 .dpy_name = "sdl2-gl",
791 .dpy_gfx_update = sdl2_gl_update,
792 .dpy_gfx_switch = sdl2_gl_switch,
793 .dpy_gfx_check_format = console_gl_check_format,
794 .dpy_refresh = sdl2_gl_refresh,
795 .dpy_mouse_set = sdl_mouse_warp,
796 .dpy_cursor_define = sdl_mouse_define,
797
798 .dpy_gl_scanout_disable = sdl2_gl_scanout_disable,
799 .dpy_gl_scanout_texture = sdl2_gl_scanout_texture,
800 .dpy_gl_update = sdl2_gl_scanout_flush,
801 };
802
803 static bool
sdl2_gl_is_compatible_dcl(DisplayGLCtx * dgc,DisplayChangeListener * dcl)804 sdl2_gl_is_compatible_dcl(DisplayGLCtx *dgc,
805 DisplayChangeListener *dcl)
806 {
807 return dcl->ops == &dcl_gl_ops;
808 }
809
810 static const DisplayGLCtxOps gl_ctx_ops = {
811 .dpy_gl_ctx_is_compatible_dcl = sdl2_gl_is_compatible_dcl,
812 .dpy_gl_ctx_create = sdl2_gl_create_context,
813 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context,
814 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current,
815 };
816 #endif
817
sdl2_display_early_init(DisplayOptions * o)818 static void sdl2_display_early_init(DisplayOptions *o)
819 {
820 assert(o->type == DISPLAY_TYPE_SDL);
821 if (o->has_gl && o->gl) {
822 #ifdef CONFIG_OPENGL
823 display_opengl = 1;
824 #endif
825 }
826 }
827
sdl2_display_init(DisplayState * ds,DisplayOptions * o)828 static void sdl2_display_init(DisplayState *ds, DisplayOptions *o)
829 {
830 uint8_t data = 0;
831 int i;
832 SDL_SysWMinfo info;
833 SDL_Surface *icon = NULL;
834 char *dir;
835
836 assert(o->type == DISPLAY_TYPE_SDL);
837
838 if (SDL_GetHintBoolean("QEMU_ENABLE_SDL_LOGGING", SDL_FALSE)) {
839 SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE);
840 }
841
842 if (SDL_Init(SDL_INIT_VIDEO)) {
843 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
844 SDL_GetError());
845 exit(1);
846 }
847 #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */
848 SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0");
849 #endif
850 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1");
851 #ifdef SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED
852 SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0");
853 #endif
854 SDL_SetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, "1");
855 SDL_EnableScreenSaver();
856 memset(&info, 0, sizeof(info));
857 SDL_VERSION(&info.version);
858
859 gui_fullscreen = o->has_full_screen && o->full_screen;
860
861 if (o->u.sdl.has_grab_mod) {
862 if (o->u.sdl.grab_mod == HOT_KEY_MOD_LSHIFT_LCTRL_LALT) {
863 alt_grab = true;
864 } else if (o->u.sdl.grab_mod == HOT_KEY_MOD_RCTRL) {
865 ctrl_grab = true;
866 }
867 }
868
869 for (i = 0;; i++) {
870 QemuConsole *con = qemu_console_lookup_by_index(i);
871 if (!con) {
872 break;
873 }
874 }
875 sdl2_num_outputs = i;
876 if (sdl2_num_outputs == 0) {
877 return;
878 }
879 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs);
880 for (i = 0; i < sdl2_num_outputs; i++) {
881 QemuConsole *con = qemu_console_lookup_by_index(i);
882 assert(con != NULL);
883 if (!qemu_console_is_graphic(con) &&
884 qemu_console_get_index(con) != 0) {
885 sdl2_console[i].hidden = true;
886 }
887 sdl2_console[i].idx = i;
888 sdl2_console[i].opts = o;
889 #ifdef CONFIG_OPENGL
890 sdl2_console[i].opengl = display_opengl;
891 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops;
892 sdl2_console[i].dgc.ops = display_opengl ? &gl_ctx_ops : NULL;
893 #else
894 sdl2_console[i].opengl = 0;
895 sdl2_console[i].dcl.ops = &dcl_2d_ops;
896 #endif
897 sdl2_console[i].dcl.con = con;
898 sdl2_console[i].kbd = qkbd_state_init(con);
899 if (display_opengl) {
900 qemu_console_set_display_gl_ctx(con, &sdl2_console[i].dgc);
901 }
902 register_displaychangelistener(&sdl2_console[i].dcl);
903
904 #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11)
905 if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) {
906 #if defined(SDL_VIDEO_DRIVER_WINDOWS)
907 qemu_console_set_window_id(con, (uintptr_t)info.info.win.window);
908 #elif defined(SDL_VIDEO_DRIVER_X11)
909 qemu_console_set_window_id(con, info.info.x11.window);
910 #endif
911 }
912 #endif
913 }
914
915 #ifdef CONFIG_SDL_IMAGE
916 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/128x128/apps/qemu.png");
917 icon = IMG_Load(dir);
918 #else
919 /* Load a 32x32x4 image. White pixels are transparent. */
920 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/32x32/apps/qemu.bmp");
921 icon = SDL_LoadBMP(dir);
922 if (icon) {
923 uint32_t colorkey = SDL_MapRGB(icon->format, 255, 255, 255);
924 SDL_SetColorKey(icon, SDL_TRUE, colorkey);
925 }
926 #endif
927 g_free(dir);
928 if (icon) {
929 SDL_SetWindowIcon(sdl2_console[0].real_window, icon);
930 }
931
932 mouse_mode_notifier.notify = sdl_mouse_mode_change;
933 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
934
935 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
936 sdl_cursor_normal = SDL_GetCursor();
937
938 if (gui_fullscreen) {
939 sdl_grab_start(&sdl2_console[0]);
940 }
941
942 atexit(sdl_cleanup);
943
944 /* SDL's event polling (in dpy_refresh) must happen on the main thread. */
945 qemu_main = NULL;
946 }
947
948 static QemuDisplay qemu_display_sdl2 = {
949 .type = DISPLAY_TYPE_SDL,
950 .early_init = sdl2_display_early_init,
951 .init = sdl2_display_init,
952 };
953
register_sdl1(void)954 static void register_sdl1(void)
955 {
956 qemu_display_register(&qemu_display_sdl2);
957 }
958
959 type_init(register_sdl1);
960
961 #ifdef CONFIG_OPENGL
962 module_dep("ui-opengl");
963 #endif
964
