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47c03744 DA |
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 | /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */ | |
27 | #undef WIN32_LEAN_AND_MEAN | |
28 | ||
29 | #include <SDL.h> | |
30 | ||
31 | #if SDL_MAJOR_VERSION == 2 | |
32 | #include <SDL_syswm.h> | |
33 | ||
34 | #include "qemu-common.h" | |
35 | #include "ui/console.h" | |
36 | #include "ui/input.h" | |
37 | #include "sysemu/sysemu.h" | |
38 | #include "sdl_zoom.h" | |
39 | ||
40 | #include "sdl2-keymap.h" | |
41 | ||
42 | static int sdl2_num_outputs; | |
43 | static struct sdl2_state { | |
44 | DisplayChangeListener dcl; | |
45 | DisplaySurface *surface; | |
46 | SDL_Texture *texture; | |
47 | SDL_Window *real_window; | |
48 | SDL_Renderer *real_renderer; | |
49 | int idx; | |
50 | int last_vm_running; /* per console for caption reasons */ | |
51 | int x, y; | |
52 | } *sdl2_console; | |
53 | ||
54 | static SDL_Surface *guest_sprite_surface; | |
55 | static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ | |
56 | ||
57 | static bool gui_saved_scaling; | |
58 | static int gui_saved_width; | |
59 | static int gui_saved_height; | |
60 | static int gui_saved_grab; | |
61 | static int gui_fullscreen; | |
62 | static int gui_noframe; | |
63 | static int gui_key_modifier_pressed; | |
64 | static int gui_keysym; | |
65 | static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; | |
66 | static uint8_t modifiers_state[SDL_NUM_SCANCODES]; | |
67 | static SDL_Cursor *sdl_cursor_normal; | |
68 | static SDL_Cursor *sdl_cursor_hidden; | |
69 | static int absolute_enabled; | |
70 | static int guest_cursor; | |
71 | static int guest_x, guest_y; | |
72 | static SDL_Cursor *guest_sprite; | |
73 | static int scaling_active; | |
74 | static Notifier mouse_mode_notifier; | |
75 | ||
76 | static void sdl_update_caption(struct sdl2_state *scon); | |
77 | ||
78 | static struct sdl2_state *get_scon_from_window(uint32_t window_id) | |
79 | { | |
80 | int i; | |
81 | for (i = 0; i < sdl2_num_outputs; i++) { | |
82 | if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) { | |
83 | return &sdl2_console[i]; | |
84 | } | |
85 | } | |
86 | return NULL; | |
87 | } | |
88 | ||
89 | static void sdl_update(DisplayChangeListener *dcl, | |
90 | int x, int y, int w, int h) | |
91 | { | |
92 | struct sdl2_state *scon = container_of(dcl, struct sdl2_state, dcl); | |
93 | SDL_Rect rect; | |
94 | DisplaySurface *surf = qemu_console_surface(dcl->con); | |
95 | ||
96 | if (!surf) { | |
97 | return; | |
98 | } | |
99 | if (!scon->texture) { | |
100 | return; | |
101 | } | |
102 | ||
103 | rect.x = x; | |
104 | rect.y = y; | |
105 | rect.w = w; | |
106 | rect.h = h; | |
107 | ||
108 | SDL_UpdateTexture(scon->texture, NULL, surface_data(surf), | |
109 | surface_stride(surf)); | |
110 | SDL_RenderCopy(scon->real_renderer, scon->texture, &rect, &rect); | |
111 | SDL_RenderPresent(scon->real_renderer); | |
112 | } | |
113 | ||
114 | static void do_sdl_resize(struct sdl2_state *scon, int width, int height, | |
115 | int bpp) | |
116 | { | |
117 | int flags; | |
118 | ||
119 | if (scon->real_window && scon->real_renderer) { | |
120 | if (width && height) { | |
121 | SDL_RenderSetLogicalSize(scon->real_renderer, width, height); | |
122 | SDL_SetWindowSize(scon->real_window, width, height); | |
123 | } else { | |
124 | SDL_DestroyRenderer(scon->real_renderer); | |
125 | SDL_DestroyWindow(scon->real_window); | |
126 | scon->real_renderer = NULL; | |
127 | scon->real_window = NULL; | |
128 | } | |
129 | } else { | |
130 | if (!width || !height) { | |
131 | return; | |
132 | } | |
133 | flags = 0; | |
134 | if (gui_fullscreen) { | |
135 | flags |= SDL_WINDOW_FULLSCREEN; | |
136 | } else { | |
137 | flags |= SDL_WINDOW_RESIZABLE; | |
138 | } | |
139 | ||
140 | scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, | |
141 | SDL_WINDOWPOS_UNDEFINED, | |
142 | width, height, flags); | |
143 | scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0); | |
144 | sdl_update_caption(scon); | |
145 | } | |
146 | } | |
147 | ||
148 | static void sdl_switch(DisplayChangeListener *dcl, | |
149 | DisplaySurface *new_surface) | |
150 | { | |
151 | struct sdl2_state *scon = container_of(dcl, struct sdl2_state, dcl); | |
152 | int format = 0; | |
153 | int idx = scon->idx; | |
154 | DisplaySurface *old_surface = scon->surface; | |
155 | ||
156 | /* temporary hack: allows to call sdl_switch to handle scaling changes */ | |
157 | if (new_surface) { | |
158 | scon->surface = new_surface; | |
159 | } | |
160 | ||
161 | if (!new_surface && idx > 0) { | |
162 | scon->surface = NULL; | |
163 | } | |
164 | ||
165 | if (new_surface == NULL) { | |
166 | do_sdl_resize(scon, 0, 0, 0); | |
167 | } else { | |
168 | do_sdl_resize(scon, surface_width(scon->surface), | |
169 | surface_height(scon->surface), 0); | |
170 | } | |
171 | ||
172 | if (old_surface && scon->texture) { | |
173 | SDL_DestroyTexture(scon->texture); | |
174 | scon->texture = NULL; | |
175 | } | |
176 | ||
177 | if (new_surface) { | |
178 | if (!scon->texture) { | |
179 | if (surface_bits_per_pixel(scon->surface) == 16) { | |
180 | format = SDL_PIXELFORMAT_RGB565; | |
181 | } else if (surface_bits_per_pixel(scon->surface) == 32) { | |
182 | format = SDL_PIXELFORMAT_ARGB8888; | |
183 | } | |
184 | ||
185 | scon->texture = SDL_CreateTexture(scon->real_renderer, format, | |
186 | SDL_TEXTUREACCESS_STREAMING, | |
187 | surface_width(new_surface), | |
188 | surface_height(new_surface)); | |
189 | } | |
190 | } | |
191 | } | |
192 | ||
193 | static void reset_keys(void) | |
194 | { | |
195 | int i; | |
196 | ||
197 | for (i = 0; i < 256; i++) { | |
198 | if (modifiers_state[i]) { | |
199 | int qcode = sdl2_scancode_to_qcode[i]; | |
200 | qemu_input_event_send_key_qcode(NULL, qcode, false); | |
201 | modifiers_state[i] = 0; | |
202 | } | |
203 | } | |
204 | } | |
205 | ||
206 | static void sdl_process_key(SDL_KeyboardEvent *ev) | |
207 | { | |
208 | int qcode = sdl2_scancode_to_qcode[ev->keysym.scancode]; | |
209 | ||
210 | switch (ev->keysym.scancode) { | |
211 | #if 0 | |
212 | case SDL_SCANCODE_NUMLOCKCLEAR: | |
213 | case SDL_SCANCODE_CAPSLOCK: | |
214 | /* SDL does not send the key up event, so we generate it */ | |
215 | qemu_input_event_send_key_qcode(NULL, qcode, true); | |
216 | qemu_input_event_send_key_qcode(NULL, qcode, false); | |
217 | return; | |
218 | #endif | |
219 | case SDL_SCANCODE_LCTRL: | |
220 | case SDL_SCANCODE_LSHIFT: | |
221 | case SDL_SCANCODE_LALT: | |
222 | case SDL_SCANCODE_LGUI: | |
223 | case SDL_SCANCODE_RCTRL: | |
224 | case SDL_SCANCODE_RSHIFT: | |
225 | case SDL_SCANCODE_RALT: | |
226 | case SDL_SCANCODE_RGUI: | |
227 | if (ev->type == SDL_KEYUP) { | |
228 | modifiers_state[ev->keysym.scancode] = 0; | |
229 | } else { | |
230 | modifiers_state[ev->keysym.scancode] = 1; | |
231 | } | |
232 | /* fall though */ | |
233 | default: | |
234 | qemu_input_event_send_key_qcode(NULL, qcode, | |
235 | ev->type == SDL_KEYDOWN); | |
236 | } | |
237 | } | |
238 | ||
239 | static void sdl_update_caption(struct sdl2_state *scon) | |
240 | { | |
241 | char win_title[1024]; | |
242 | char icon_title[1024]; | |
243 | const char *status = ""; | |
244 | ||
245 | if (!runstate_is_running()) { | |
246 | status = " [Stopped]"; | |
247 | } else if (gui_grab) { | |
248 | if (alt_grab) { | |
249 | status = " - Press Ctrl-Alt-Shift to exit mouse grab"; | |
250 | } else if (ctrl_grab) { | |
251 | status = " - Press Right-Ctrl to exit mouse grab"; | |
252 | } else { | |
253 | status = " - Press Ctrl-Alt to exit mouse grab"; | |
254 | } | |
255 | } | |
256 | ||
257 | if (qemu_name) { | |
258 | snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name, | |
259 | scon->idx, status); | |
260 | snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); | |
261 | } else { | |
262 | snprintf(win_title, sizeof(win_title), "QEMU%s", status); | |
263 | snprintf(icon_title, sizeof(icon_title), "QEMU"); | |
264 | } | |
265 | ||
266 | if (scon->real_window) { | |
267 | SDL_SetWindowTitle(scon->real_window, win_title); | |
268 | } | |
269 | } | |
270 | ||
271 | static void sdl_hide_cursor(void) | |
272 | { | |
273 | if (!cursor_hide) { | |
274 | return; | |
275 | } | |
276 | ||
277 | if (qemu_input_is_absolute()) { | |
278 | SDL_ShowCursor(1); | |
279 | SDL_SetCursor(sdl_cursor_hidden); | |
280 | } else { | |
2d968ffb | 281 | SDL_SetRelativeMouseMode(SDL_TRUE); |
47c03744 DA |
282 | } |
283 | } | |
284 | ||
285 | static void sdl_show_cursor(void) | |
286 | { | |
287 | if (!cursor_hide) { | |
288 | return; | |
289 | } | |
290 | ||
291 | if (!qemu_input_is_absolute()) { | |
2d968ffb | 292 | SDL_SetRelativeMouseMode(SDL_FALSE); |
47c03744 DA |
293 | SDL_ShowCursor(1); |
294 | if (guest_cursor && | |
295 | (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { | |
296 | SDL_SetCursor(guest_sprite); | |
297 | } else { | |
298 | SDL_SetCursor(sdl_cursor_normal); | |
299 | } | |
300 | } | |
301 | } | |
302 | ||
303 | static void sdl_grab_start(struct sdl2_state *scon) | |
304 | { | |
305 | /* | |
306 | * If the application is not active, do not try to enter grab state. This | |
307 | * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the | |
308 | * application (SDL bug). | |
309 | */ | |
310 | if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) { | |
311 | return; | |
312 | } | |
313 | if (guest_cursor) { | |
314 | SDL_SetCursor(guest_sprite); | |
315 | if (!qemu_input_is_absolute() && !absolute_enabled) { | |
316 | SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y); | |
317 | } | |
318 | } else { | |
319 | sdl_hide_cursor(); | |
320 | } | |
321 | SDL_SetWindowGrab(scon->real_window, SDL_TRUE); | |
322 | gui_grab = 1; | |
323 | sdl_update_caption(scon); | |
324 | } | |
325 | ||
326 | static void sdl_grab_end(struct sdl2_state *scon) | |
327 | { | |
328 | SDL_SetWindowGrab(scon->real_window, SDL_FALSE); | |
329 | gui_grab = 0; | |
330 | sdl_show_cursor(); | |
331 | sdl_update_caption(scon); | |
332 | } | |
333 | ||
334 | static void absolute_mouse_grab(struct sdl2_state *scon) | |
335 | { | |
336 | int mouse_x, mouse_y; | |
337 | int scr_w, scr_h; | |
338 | SDL_GetMouseState(&mouse_x, &mouse_y); | |
339 | SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); | |
340 | if (mouse_x > 0 && mouse_x < scr_w - 1 && | |
341 | mouse_y > 0 && mouse_y < scr_h - 1) { | |
342 | sdl_grab_start(scon); | |
343 | } | |
344 | } | |
345 | ||
346 | static void sdl_mouse_mode_change(Notifier *notify, void *data) | |
347 | { | |
348 | if (qemu_input_is_absolute()) { | |
349 | if (!absolute_enabled) { | |
350 | absolute_enabled = 1; | |
351 | absolute_mouse_grab(&sdl2_console[0]); | |
352 | } | |
353 | } else if (absolute_enabled) { | |
354 | if (!gui_fullscreen) { | |
355 | sdl_grab_end(&sdl2_console[0]); | |
356 | } | |
357 | absolute_enabled = 0; | |
358 | } | |
359 | } | |
360 | ||
361 | static void sdl_send_mouse_event(struct sdl2_state *scon, int dx, int dy, | |
3f2fde2a | 362 | int x, int y, int state) |
47c03744 DA |
363 | { |
364 | static uint32_t bmap[INPUT_BUTTON_MAX] = { | |
365 | [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT), | |
366 | [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE), | |
367 | [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT), | |
47c03744 DA |
368 | }; |
369 | static uint32_t prev_state; | |
370 | ||
371 | if (prev_state != state) { | |
372 | qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state); | |
373 | prev_state = state; | |
374 | } | |
375 | ||
376 | if (qemu_input_is_absolute()) { | |
377 | int scr_w, scr_h; | |
378 | int max_w = 0, max_h = 0; | |
379 | int off_x = 0, off_y = 0; | |
380 | int cur_off_x = 0, cur_off_y = 0; | |
381 | int i; | |
382 | ||
383 | for (i = 0; i < sdl2_num_outputs; i++) { | |
384 | struct sdl2_state *thiscon = &sdl2_console[i]; | |
385 | if (thiscon->real_window && thiscon->surface) { | |
386 | SDL_GetWindowSize(thiscon->real_window, &scr_w, &scr_h); | |
387 | cur_off_x = thiscon->x; | |
388 | cur_off_y = thiscon->y; | |
389 | if (scr_w + cur_off_x > max_w) { | |
390 | max_w = scr_w + cur_off_x; | |
391 | } | |
392 | if (scr_h + cur_off_y > max_h) { | |
393 | max_h = scr_h + cur_off_y; | |
394 | } | |
395 | if (i == scon->idx) { | |
396 | off_x = cur_off_x; | |
397 | off_y = cur_off_y; | |
398 | } | |
399 | } | |
400 | } | |
401 | qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, off_x + x, max_w); | |
402 | qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, off_y + y, max_h); | |
afbc0dd6 CR |
403 | } else { |
404 | if (guest_cursor) { | |
405 | x -= guest_x; | |
406 | y -= guest_y; | |
407 | guest_x += x; | |
408 | guest_y += y; | |
409 | dx = x; | |
410 | dy = y; | |
411 | } | |
412 | qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx); | |
413 | qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy); | |
47c03744 DA |
414 | } |
415 | qemu_input_event_sync(); | |
416 | } | |
417 | ||
418 | static void sdl_scale(struct sdl2_state *scon, int width, int height) | |
419 | { | |
420 | int bpp = 0; | |
421 | do_sdl_resize(scon, width, height, bpp); | |
422 | scaling_active = 1; | |
423 | } | |
424 | ||
425 | static void toggle_full_screen(struct sdl2_state *scon) | |
426 | { | |
427 | int width = surface_width(scon->surface); | |
428 | int height = surface_height(scon->surface); | |
429 | int bpp = surface_bits_per_pixel(scon->surface); | |
430 | ||
431 | gui_fullscreen = !gui_fullscreen; | |
432 | if (gui_fullscreen) { | |
433 | SDL_GetWindowSize(scon->real_window, | |
434 | &gui_saved_width, &gui_saved_height); | |
435 | gui_saved_scaling = scaling_active; | |
436 | ||
437 | do_sdl_resize(scon, width, height, bpp); | |
438 | scaling_active = 0; | |
439 | ||
440 | gui_saved_grab = gui_grab; | |
441 | sdl_grab_start(scon); | |
442 | } else { | |
443 | if (gui_saved_scaling) { | |
444 | sdl_scale(scon, gui_saved_width, gui_saved_height); | |
445 | } else { | |
446 | do_sdl_resize(scon, width, height, 0); | |
447 | } | |
448 | if (!gui_saved_grab) { | |
449 | sdl_grab_end(scon); | |
450 | } | |
451 | } | |
452 | graphic_hw_invalidate(scon->dcl.con); | |
453 | graphic_hw_update(scon->dcl.con); | |
454 | } | |
455 | ||
456 | static void handle_keydown(SDL_Event *ev) | |
457 | { | |
458 | int mod_state; | |
459 | struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); | |
460 | ||
461 | if (alt_grab) { | |
462 | mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) == | |
463 | (gui_grab_code | KMOD_LSHIFT); | |
464 | } else if (ctrl_grab) { | |
465 | mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL; | |
466 | } else { | |
467 | mod_state = (SDL_GetModState() & gui_grab_code) == gui_grab_code; | |
468 | } | |
469 | gui_key_modifier_pressed = mod_state; | |
470 | ||
471 | if (gui_key_modifier_pressed) { | |
472 | switch (ev->key.keysym.scancode) { | |
473 | case SDL_SCANCODE_F: | |
474 | toggle_full_screen(scon); | |
475 | gui_keysym = 1; | |
476 | break; | |
477 | case SDL_SCANCODE_U: | |
478 | if (scaling_active) { | |
479 | scaling_active = 0; | |
480 | sdl_switch(&scon->dcl, NULL); | |
481 | graphic_hw_invalidate(scon->dcl.con); | |
482 | graphic_hw_update(scon->dcl.con); | |
483 | } | |
484 | gui_keysym = 1; | |
485 | break; | |
486 | case SDL_SCANCODE_KP_PLUS: | |
487 | case SDL_SCANCODE_KP_MINUS: | |
488 | if (!gui_fullscreen) { | |
489 | int scr_w, scr_h; | |
490 | int width, height; | |
491 | SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); | |
492 | ||
493 | width = MAX(scr_w + (ev->key.keysym.scancode == | |
494 | SDL_SCANCODE_KP_PLUS ? 50 : -50), | |
495 | 160); | |
496 | height = (surface_height(scon->surface) * width) / | |
497 | surface_width(scon->surface); | |
498 | ||
499 | sdl_scale(scon, width, height); | |
500 | graphic_hw_invalidate(NULL); | |
501 | graphic_hw_update(NULL); | |
502 | gui_keysym = 1; | |
503 | } | |
504 | default: | |
505 | break; | |
506 | } | |
507 | } | |
508 | if (!gui_keysym) { | |
509 | sdl_process_key(&ev->key); | |
510 | } | |
511 | } | |
512 | ||
513 | static void handle_keyup(SDL_Event *ev) | |
514 | { | |
515 | int mod_state; | |
516 | struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); | |
517 | ||
518 | if (!alt_grab) { | |
519 | mod_state = (ev->key.keysym.mod & gui_grab_code); | |
520 | } else { | |
521 | mod_state = (ev->key.keysym.mod & (gui_grab_code | KMOD_LSHIFT)); | |
522 | } | |
523 | if (!mod_state && gui_key_modifier_pressed) { | |
524 | gui_key_modifier_pressed = 0; | |
525 | if (gui_keysym == 0) { | |
526 | /* exit/enter grab if pressing Ctrl-Alt */ | |
527 | if (!gui_grab) { | |
528 | sdl_grab_start(scon); | |
529 | } else if (!gui_fullscreen) { | |
530 | sdl_grab_end(scon); | |
531 | } | |
532 | /* SDL does not send back all the modifiers key, so we must | |
533 | * correct it. */ | |
534 | reset_keys(); | |
535 | return; | |
536 | } | |
537 | gui_keysym = 0; | |
538 | } | |
539 | if (!gui_keysym) { | |
540 | sdl_process_key(&ev->key); | |
541 | } | |
542 | } | |
543 | ||
544 | static void handle_mousemotion(SDL_Event *ev) | |
545 | { | |
546 | int max_x, max_y; | |
547 | struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); | |
548 | ||
549 | if (qemu_input_is_absolute() || absolute_enabled) { | |
550 | int scr_w, scr_h; | |
551 | SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); | |
552 | max_x = scr_w - 1; | |
553 | max_y = scr_h - 1; | |
554 | if (gui_grab && (ev->motion.x == 0 || ev->motion.y == 0 || | |
555 | ev->motion.x == max_x || ev->motion.y == max_y)) { | |
556 | sdl_grab_end(scon); | |
557 | } | |
558 | if (!gui_grab && | |
559 | (ev->motion.x > 0 && ev->motion.x < max_x && | |
560 | ev->motion.y > 0 && ev->motion.y < max_y)) { | |
561 | sdl_grab_start(scon); | |
562 | } | |
563 | } | |
564 | if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { | |
3f2fde2a | 565 | sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, |
47c03744 DA |
566 | ev->motion.x, ev->motion.y, ev->motion.state); |
567 | } | |
568 | } | |
569 | ||
570 | static void handle_mousebutton(SDL_Event *ev) | |
571 | { | |
572 | int buttonstate = SDL_GetMouseState(NULL, NULL); | |
573 | SDL_MouseButtonEvent *bev; | |
574 | struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); | |
47c03744 DA |
575 | |
576 | bev = &ev->button; | |
577 | if (!gui_grab && !qemu_input_is_absolute()) { | |
578 | if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { | |
579 | /* start grabbing all events */ | |
580 | sdl_grab_start(scon); | |
581 | } | |
582 | } else { | |
47c03744 DA |
583 | if (ev->type == SDL_MOUSEBUTTONDOWN) { |
584 | buttonstate |= SDL_BUTTON(bev->button); | |
585 | } else { | |
586 | buttonstate &= ~SDL_BUTTON(bev->button); | |
587 | } | |
3f2fde2a CR |
588 | sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); |
589 | } | |
590 | } | |
591 | ||
592 | static void handle_mousewheel(SDL_Event *ev) | |
593 | { | |
594 | struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); | |
595 | SDL_MouseWheelEvent *wev = &ev->wheel; | |
596 | InputButton btn; | |
597 | ||
598 | if (wev->y > 0) { | |
599 | btn = INPUT_BUTTON_WHEEL_UP; | |
600 | } else if (wev->y < 0) { | |
601 | btn = INPUT_BUTTON_WHEEL_DOWN; | |
602 | } else { | |
603 | return; | |
47c03744 | 604 | } |
3f2fde2a CR |
605 | |
606 | qemu_input_queue_btn(scon->dcl.con, btn, true); | |
607 | qemu_input_event_sync(); | |
608 | qemu_input_queue_btn(scon->dcl.con, btn, false); | |
609 | qemu_input_event_sync(); | |
47c03744 DA |
610 | } |
611 | ||
612 | static void handle_windowevent(DisplayChangeListener *dcl, SDL_Event *ev) | |
613 | { | |
614 | int w, h; | |
615 | struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); | |
616 | ||
617 | switch (ev->window.event) { | |
618 | case SDL_WINDOWEVENT_RESIZED: | |
619 | sdl_scale(scon, ev->window.data1, ev->window.data2); | |
8b15d9f1 DA |
620 | { |
621 | QemuUIInfo info; | |
622 | memset(&info, 0, sizeof(info)); | |
623 | info.width = ev->window.data1; | |
624 | info.height = ev->window.data2; | |
625 | dpy_set_ui_info(scon->dcl.con, &info); | |
626 | } | |
47c03744 DA |
627 | graphic_hw_invalidate(scon->dcl.con); |
628 | graphic_hw_update(scon->dcl.con); | |
629 | break; | |
630 | case SDL_WINDOWEVENT_EXPOSED: | |
631 | SDL_GetWindowSize(SDL_GetWindowFromID(ev->window.windowID), &w, &h); | |
632 | sdl_update(dcl, 0, 0, w, h); | |
633 | break; | |
634 | case SDL_WINDOWEVENT_FOCUS_GAINED: | |
635 | case SDL_WINDOWEVENT_ENTER: | |
636 | if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) { | |
637 | absolute_mouse_grab(scon); | |
638 | } | |
639 | break; | |
640 | case SDL_WINDOWEVENT_FOCUS_LOST: | |
641 | if (gui_grab && !gui_fullscreen) { | |
642 | sdl_grab_end(scon); | |
643 | } | |
644 | break; | |
645 | case SDL_WINDOWEVENT_RESTORED: | |
646 | update_displaychangelistener(dcl, GUI_REFRESH_INTERVAL_DEFAULT); | |
647 | break; | |
648 | case SDL_WINDOWEVENT_MINIMIZED: | |
649 | update_displaychangelistener(dcl, 500); | |
650 | break; | |
651 | case SDL_WINDOWEVENT_CLOSE: | |
652 | if (!no_quit) { | |
653 | no_shutdown = 0; | |
654 | qemu_system_shutdown_request(); | |
655 | } | |
656 | break; | |
657 | } | |
658 | } | |
659 | ||
660 | static void sdl_refresh(DisplayChangeListener *dcl) | |
661 | { | |
662 | struct sdl2_state *scon = container_of(dcl, struct sdl2_state, dcl); | |
663 | SDL_Event ev1, *ev = &ev1; | |
664 | ||
665 | if (scon->last_vm_running != runstate_is_running()) { | |
666 | scon->last_vm_running = runstate_is_running(); | |
667 | sdl_update_caption(scon); | |
668 | } | |
669 | ||
670 | graphic_hw_update(dcl->con); | |
671 | ||
672 | while (SDL_PollEvent(ev)) { | |
673 | switch (ev->type) { | |
674 | case SDL_KEYDOWN: | |
675 | handle_keydown(ev); | |
676 | break; | |
677 | case SDL_KEYUP: | |
678 | handle_keyup(ev); | |
679 | break; | |
680 | case SDL_QUIT: | |
681 | if (!no_quit) { | |
682 | no_shutdown = 0; | |
683 | qemu_system_shutdown_request(); | |
684 | } | |
685 | break; | |
686 | case SDL_MOUSEMOTION: | |
687 | handle_mousemotion(ev); | |
688 | break; | |
689 | case SDL_MOUSEBUTTONDOWN: | |
690 | case SDL_MOUSEBUTTONUP: | |
691 | handle_mousebutton(ev); | |
692 | break; | |
3f2fde2a CR |
693 | case SDL_MOUSEWHEEL: |
694 | handle_mousewheel(ev); | |
695 | break; | |
47c03744 DA |
696 | case SDL_WINDOWEVENT: |
697 | handle_windowevent(dcl, ev); | |
698 | break; | |
699 | default: | |
700 | break; | |
701 | } | |
702 | } | |
703 | } | |
704 | ||
705 | static void sdl_mouse_warp(DisplayChangeListener *dcl, | |
706 | int x, int y, int on) | |
707 | { | |
708 | struct sdl2_state *scon = container_of(dcl, struct sdl2_state, dcl); | |
709 | if (on) { | |
710 | if (!guest_cursor) { | |
711 | sdl_show_cursor(); | |
712 | } | |
713 | if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { | |
714 | SDL_SetCursor(guest_sprite); | |
715 | if (!qemu_input_is_absolute() && !absolute_enabled) { | |
716 | SDL_WarpMouseInWindow(scon->real_window, x, y); | |
717 | } | |
718 | } | |
719 | } else if (gui_grab) { | |
720 | sdl_hide_cursor(); | |
721 | } | |
722 | guest_cursor = on; | |
723 | guest_x = x, guest_y = y; | |
724 | } | |
725 | ||
726 | static void sdl_mouse_define(DisplayChangeListener *dcl, | |
727 | QEMUCursor *c) | |
728 | { | |
729 | ||
730 | if (guest_sprite) { | |
731 | SDL_FreeCursor(guest_sprite); | |
732 | } | |
733 | ||
734 | if (guest_sprite_surface) { | |
735 | SDL_FreeSurface(guest_sprite_surface); | |
736 | } | |
737 | ||
738 | guest_sprite_surface = | |
739 | SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, | |
740 | 0xff0000, 0x00ff00, 0xff, 0xff000000); | |
741 | ||
742 | if (!guest_sprite_surface) { | |
743 | fprintf(stderr, "Failed to make rgb surface from %p\n", c); | |
744 | return; | |
745 | } | |
746 | guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, | |
747 | c->hot_x, c->hot_y); | |
748 | if (!guest_sprite) { | |
749 | fprintf(stderr, "Failed to make color cursor from %p\n", c); | |
750 | return; | |
751 | } | |
752 | if (guest_cursor && | |
753 | (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { | |
754 | SDL_SetCursor(guest_sprite); | |
755 | } | |
756 | } | |
757 | ||
758 | static void sdl_cleanup(void) | |
759 | { | |
760 | if (guest_sprite) { | |
761 | SDL_FreeCursor(guest_sprite); | |
762 | } | |
763 | SDL_QuitSubSystem(SDL_INIT_VIDEO); | |
764 | } | |
765 | ||
766 | static const DisplayChangeListenerOps dcl_ops = { | |
767 | .dpy_name = "sdl", | |
768 | .dpy_gfx_update = sdl_update, | |
769 | .dpy_gfx_switch = sdl_switch, | |
770 | .dpy_refresh = sdl_refresh, | |
771 | .dpy_mouse_set = sdl_mouse_warp, | |
772 | .dpy_cursor_define = sdl_mouse_define, | |
773 | }; | |
774 | ||
775 | void sdl_display_init(DisplayState *ds, int full_screen, int no_frame) | |
776 | { | |
777 | int flags; | |
778 | uint8_t data = 0; | |
779 | char *filename; | |
780 | int i; | |
781 | ||
782 | if (no_frame) { | |
783 | gui_noframe = 1; | |
784 | } | |
785 | ||
786 | #ifdef __linux__ | |
787 | /* on Linux, SDL may use fbcon|directfb|svgalib when run without | |
788 | * accessible $DISPLAY to open X11 window. This is often the case | |
789 | * when qemu is run using sudo. But in this case, and when actually | |
790 | * run in X11 environment, SDL fights with X11 for the video card, | |
791 | * making current display unavailable, often until reboot. | |
792 | * So make x11 the default SDL video driver if this variable is unset. | |
793 | * This is a bit hackish but saves us from bigger problem. | |
794 | * Maybe it's a good idea to fix this in SDL instead. | |
795 | */ | |
796 | setenv("SDL_VIDEODRIVER", "x11", 0); | |
797 | #endif | |
798 | ||
799 | flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; | |
800 | if (SDL_Init(flags)) { | |
801 | fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", | |
802 | SDL_GetError()); | |
803 | exit(1); | |
804 | } | |
805 | ||
806 | for (i = 0;; i++) { | |
807 | QemuConsole *con = qemu_console_lookup_by_index(i); | |
808 | if (!con || !qemu_console_is_graphic(con)) { | |
809 | break; | |
810 | } | |
811 | } | |
812 | sdl2_num_outputs = i; | |
813 | sdl2_console = g_new0(struct sdl2_state, sdl2_num_outputs); | |
814 | for (i = 0; i < sdl2_num_outputs; i++) { | |
815 | QemuConsole *con = qemu_console_lookup_by_index(i); | |
816 | sdl2_console[i].dcl.ops = &dcl_ops; | |
817 | sdl2_console[i].dcl.con = con; | |
818 | register_displaychangelistener(&sdl2_console[i].dcl); | |
819 | sdl2_console[i].idx = i; | |
820 | } | |
821 | ||
822 | /* Load a 32x32x4 image. White pixels are transparent. */ | |
823 | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp"); | |
824 | if (filename) { | |
825 | SDL_Surface *image = SDL_LoadBMP(filename); | |
826 | if (image) { | |
827 | uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255); | |
828 | SDL_SetColorKey(image, SDL_TRUE, colorkey); | |
829 | SDL_SetWindowIcon(sdl2_console[0].real_window, image); | |
830 | } | |
831 | g_free(filename); | |
832 | } | |
833 | ||
834 | if (full_screen) { | |
835 | gui_fullscreen = 1; | |
836 | sdl_grab_start(0); | |
837 | } | |
838 | ||
839 | mouse_mode_notifier.notify = sdl_mouse_mode_change; | |
840 | qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); | |
841 | ||
842 | gui_grab = 0; | |
843 | ||
844 | sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); | |
845 | sdl_cursor_normal = SDL_GetCursor(); | |
846 | ||
847 | atexit(sdl_cleanup); | |
848 | } | |
849 | #endif |