1 | /* |
2 | Simple DirectMedia Layer |
3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> |
4 | |
5 | This software is provided 'as-is', without any express or implied |
6 | warranty. In no event will the authors be held liable for any damages |
7 | arising from the use of this software. |
8 | |
9 | Permission is granted to anyone to use this software for any purpose, |
10 | including commercial applications, and to alter it and redistribute it |
11 | freely, subject to the following restrictions: |
12 | |
13 | 1. The origin of this software must not be misrepresented; you must not |
14 | claim that you wrote the original software. If you use this software |
15 | in a product, an acknowledgment in the product documentation would be |
16 | appreciated but is not required. |
17 | 2. Altered source versions must be plainly marked as such, and must not be |
18 | misrepresented as being the original software. |
19 | 3. This notice may not be removed or altered from any source distribution. |
20 | */ |
21 | #include "SDL_internal.h" |
22 | |
23 | #ifdef SDL_VIDEO_DRIVER_X11 |
24 | |
25 | #include "../SDL_sysvideo.h" |
26 | #include "../SDL_pixels_c.h" |
27 | #include "../../events/SDL_keyboard_c.h" |
28 | #include "../../events/SDL_mouse_c.h" |
29 | #include "../../events/SDL_events_c.h" |
30 | #include "../../core/unix/SDL_appid.h" |
31 | |
32 | #include "SDL_x11video.h" |
33 | #include "SDL_x11mouse.h" |
34 | #include "SDL_x11xinput2.h" |
35 | #include "SDL_x11xfixes.h" |
36 | |
37 | #ifdef SDL_VIDEO_OPENGL_EGL |
38 | #include "SDL_x11opengles.h" |
39 | #endif |
40 | |
41 | #include "SDL_x11xsync.h" |
42 | |
43 | #define _NET_WM_STATE_REMOVE 0l |
44 | #define _NET_WM_STATE_ADD 1l |
45 | |
46 | #define CHECK_WINDOW_DATA(window) \ |
47 | if (!window) { \ |
48 | return SDL_SetError("Invalid window"); \ |
49 | } \ |
50 | if (!window->internal) { \ |
51 | return SDL_SetError("Invalid window driver data"); \ |
52 | } |
53 | |
54 | #define CHECK_DISPLAY_DATA(display) \ |
55 | if (!_display) { \ |
56 | return SDL_SetError("Invalid display"); \ |
57 | } \ |
58 | if (!_display->internal) { \ |
59 | return SDL_SetError("Invalid display driver data"); \ |
60 | } |
61 | |
62 | static Bool isMapNotify(Display *dpy, XEvent *ev, XPointer win) // NOLINT(readability-non-const-parameter): cannot make XPointer a const pointer due to typedef |
63 | { |
64 | return ev->type == MapNotify && ev->xmap.window == *((Window *)win); |
65 | } |
66 | static Bool isUnmapNotify(Display *dpy, XEvent *ev, XPointer win) // NOLINT(readability-non-const-parameter): cannot make XPointer a const pointer due to typedef |
67 | { |
68 | return ev->type == UnmapNotify && ev->xunmap.window == *((Window *)win); |
69 | } |
70 | |
71 | /* |
72 | static Bool isConfigureNotify(Display *dpy, XEvent *ev, XPointer win) |
73 | { |
74 | return ev->type == ConfigureNotify && ev->xconfigure.window == *((Window*)win); |
75 | } |
76 | static Bool X11_XIfEventTimeout(Display *display, XEvent *event_return, Bool (*predicate)(), XPointer arg, int timeoutMS) |
77 | { |
78 | Uint64 start = SDL_GetTicks(); |
79 | |
80 | while (!X11_XCheckIfEvent(display, event_return, predicate, arg)) { |
81 | if (SDL_GetTicks() >= (start + timeoutMS)) { |
82 | return False; |
83 | } |
84 | } |
85 | return True; |
86 | } |
87 | */ |
88 | |
89 | static bool X11_IsWindowMapped(SDL_VideoDevice *_this, SDL_Window *window) |
90 | { |
91 | SDL_WindowData *data = window->internal; |
92 | SDL_VideoData *videodata = _this->internal; |
93 | XWindowAttributes attr; |
94 | |
95 | X11_XGetWindowAttributes(videodata->display, data->xwindow, &attr); |
96 | if (attr.map_state != IsUnmapped) { |
97 | return true; |
98 | } else { |
99 | return false; |
100 | } |
101 | } |
102 | |
103 | static bool X11_IsDisplayOk(Display *display) |
104 | { |
105 | if (display->flags & XlibDisplayIOError) { |
106 | return false; |
107 | } |
108 | return true; |
109 | } |
110 | |
111 | #if 0 |
112 | static bool X11_IsActionAllowed(SDL_Window *window, Atom action) |
113 | { |
114 | SDL_WindowData *data = window->internal; |
115 | Atom _NET_WM_ALLOWED_ACTIONS = data->videodata->_NET_WM_ALLOWED_ACTIONS; |
116 | Atom type; |
117 | Display *display = data->videodata->display; |
118 | int form; |
119 | unsigned long remain; |
120 | unsigned long len, i; |
121 | Atom *list; |
122 | bool ret = false; |
123 | |
124 | if (X11_XGetWindowProperty(display, data->xwindow, _NET_WM_ALLOWED_ACTIONS, 0, 1024, False, XA_ATOM, &type, &form, &len, &remain, (unsigned char **)&list) == Success) { |
125 | for (i=0; i<len; ++i) { |
126 | if (list[i] == action) { |
127 | ret = true; |
128 | break; |
129 | } |
130 | } |
131 | X11_XFree(list); |
132 | } |
133 | return ret; |
134 | } |
135 | #endif // 0 |
136 | |
137 | static void X11_FlushPendingEvents(SDL_VideoDevice *_this, SDL_Window *window) |
138 | { |
139 | // Serialize and restore the pending flags, as they may be overwritten while flushing. |
140 | const bool last_position_pending = window->last_position_pending; |
141 | const bool last_size_pending = window->last_size_pending; |
142 | |
143 | X11_SyncWindow(_this, window); |
144 | |
145 | window->last_position_pending = last_position_pending; |
146 | window->last_size_pending = last_size_pending; |
147 | } |
148 | |
149 | void X11_SetNetWMState(SDL_VideoDevice *_this, Window xwindow, SDL_WindowFlags flags) |
150 | { |
151 | SDL_VideoData *videodata = _this->internal; |
152 | Display *display = videodata->display; |
153 | // !!! FIXME: just dereference videodata below instead of copying to locals. |
154 | Atom _NET_WM_STATE = videodata->atoms._NET_WM_STATE; |
155 | // Atom _NET_WM_STATE_HIDDEN = videodata->atoms._NET_WM_STATE_HIDDEN; |
156 | Atom _NET_WM_STATE_FOCUSED = videodata->atoms._NET_WM_STATE_FOCUSED; |
157 | Atom _NET_WM_STATE_MAXIMIZED_VERT = videodata->atoms._NET_WM_STATE_MAXIMIZED_VERT; |
158 | Atom _NET_WM_STATE_MAXIMIZED_HORZ = videodata->atoms._NET_WM_STATE_MAXIMIZED_HORZ; |
159 | Atom _NET_WM_STATE_FULLSCREEN = videodata->atoms._NET_WM_STATE_FULLSCREEN; |
160 | Atom _NET_WM_STATE_ABOVE = videodata->atoms._NET_WM_STATE_ABOVE; |
161 | Atom _NET_WM_STATE_SKIP_TASKBAR = videodata->atoms._NET_WM_STATE_SKIP_TASKBAR; |
162 | Atom = videodata->atoms._NET_WM_STATE_SKIP_PAGER; |
163 | Atom _NET_WM_STATE_MODAL = videodata->atoms._NET_WM_STATE_MODAL; |
164 | Atom atoms[16]; |
165 | int count = 0; |
166 | |
167 | /* The window manager sets this property, we shouldn't set it. |
168 | If we did, this would indicate to the window manager that we don't |
169 | actually want to be mapped during X11_XMapRaised(), which would be bad. |
170 | * |
171 | if ((flags & SDL_WINDOW_HIDDEN) != 0) { |
172 | atoms[count++] = _NET_WM_STATE_HIDDEN; |
173 | } |
174 | */ |
175 | |
176 | if (flags & SDL_WINDOW_ALWAYS_ON_TOP) { |
177 | atoms[count++] = _NET_WM_STATE_ABOVE; |
178 | } |
179 | if (flags & SDL_WINDOW_UTILITY) { |
180 | atoms[count++] = _NET_WM_STATE_SKIP_TASKBAR; |
181 | atoms[count++] = _NET_WM_STATE_SKIP_PAGER; |
182 | } |
183 | if (flags & SDL_WINDOW_INPUT_FOCUS) { |
184 | atoms[count++] = _NET_WM_STATE_FOCUSED; |
185 | } |
186 | if (flags & SDL_WINDOW_MAXIMIZED) { |
187 | atoms[count++] = _NET_WM_STATE_MAXIMIZED_VERT; |
188 | atoms[count++] = _NET_WM_STATE_MAXIMIZED_HORZ; |
189 | } |
190 | if (flags & SDL_WINDOW_FULLSCREEN) { |
191 | atoms[count++] = _NET_WM_STATE_FULLSCREEN; |
192 | } |
193 | if (flags & SDL_WINDOW_MODAL) { |
194 | atoms[count++] = _NET_WM_STATE_MODAL; |
195 | } |
196 | |
197 | SDL_assert(count <= SDL_arraysize(atoms)); |
198 | |
199 | if (count > 0) { |
200 | X11_XChangeProperty(display, xwindow, _NET_WM_STATE, XA_ATOM, 32, |
201 | PropModeReplace, (unsigned char *)atoms, count); |
202 | } else { |
203 | X11_XDeleteProperty(display, xwindow, _NET_WM_STATE); |
204 | } |
205 | } |
206 | |
207 | static void (SDL_Window *window, bool output_to_pending) |
208 | { |
209 | // Clamp popup windows to the output borders |
210 | if (SDL_WINDOW_IS_POPUP(window)) { |
211 | SDL_Window *w; |
212 | SDL_DisplayID displayID; |
213 | SDL_Rect rect; |
214 | int abs_x = window->last_position_pending ? window->pending.x : window->floating.x; |
215 | int abs_y = window->last_position_pending ? window->pending.y : window->floating.y; |
216 | int offset_x = 0, offset_y = 0; |
217 | |
218 | // Calculate the total offset from the parents |
219 | for (w = window->parent; SDL_WINDOW_IS_POPUP(w); w = w->parent) { |
220 | offset_x += w->x; |
221 | offset_y += w->y; |
222 | } |
223 | |
224 | offset_x += w->x; |
225 | offset_y += w->y; |
226 | abs_x += offset_x; |
227 | abs_y += offset_y; |
228 | |
229 | displayID = SDL_GetDisplayForWindow(w); |
230 | |
231 | SDL_GetDisplayBounds(displayID, &rect); |
232 | if (abs_x + window->w > rect.x + rect.w) { |
233 | abs_x -= (abs_x + window->w) - (rect.x + rect.w); |
234 | } |
235 | if (abs_y + window->h > rect.y + rect.h) { |
236 | abs_y -= (abs_y + window->h) - (rect.y + rect.h); |
237 | } |
238 | abs_x = SDL_max(abs_x, rect.x); |
239 | abs_y = SDL_max(abs_y, rect.y); |
240 | |
241 | if (output_to_pending) { |
242 | window->pending.x = abs_x - offset_x; |
243 | window->pending.y = abs_y - offset_y; |
244 | } else { |
245 | window->floating.x = window->windowed.x = abs_x - offset_x; |
246 | window->floating.y = window->windowed.y = abs_y - offset_y; |
247 | } |
248 | } |
249 | } |
250 | |
251 | static void X11_SetKeyboardFocus(SDL_Window *window, bool set_active_focus) |
252 | { |
253 | SDL_Window *toplevel = window; |
254 | |
255 | // Find the toplevel parent |
256 | while (SDL_WINDOW_IS_POPUP(toplevel)) { |
257 | toplevel = toplevel->parent; |
258 | } |
259 | |
260 | toplevel->internal->keyboard_focus = window; |
261 | |
262 | if (set_active_focus && !window->is_hiding && !window->is_destroying) { |
263 | SDL_SetKeyboardFocus(window); |
264 | } |
265 | } |
266 | |
267 | Uint32 X11_GetNetWMState(SDL_VideoDevice *_this, SDL_Window *window, Window xwindow) |
268 | { |
269 | SDL_VideoData *videodata = _this->internal; |
270 | Display *display = videodata->display; |
271 | Atom _NET_WM_STATE = videodata->atoms._NET_WM_STATE; |
272 | Atom _NET_WM_STATE_HIDDEN = videodata->atoms._NET_WM_STATE_HIDDEN; |
273 | Atom _NET_WM_STATE_FOCUSED = videodata->atoms._NET_WM_STATE_FOCUSED; |
274 | Atom _NET_WM_STATE_MAXIMIZED_VERT = videodata->atoms._NET_WM_STATE_MAXIMIZED_VERT; |
275 | Atom _NET_WM_STATE_MAXIMIZED_HORZ = videodata->atoms._NET_WM_STATE_MAXIMIZED_HORZ; |
276 | Atom _NET_WM_STATE_FULLSCREEN = videodata->atoms._NET_WM_STATE_FULLSCREEN; |
277 | Atom actualType; |
278 | int actualFormat; |
279 | unsigned long i, numItems, bytesAfter; |
280 | unsigned char *propertyValue = NULL; |
281 | long maxLength = 1024; |
282 | SDL_WindowFlags flags = 0; |
283 | |
284 | if (X11_XGetWindowProperty(display, xwindow, _NET_WM_STATE, |
285 | 0l, maxLength, False, XA_ATOM, &actualType, |
286 | &actualFormat, &numItems, &bytesAfter, |
287 | &propertyValue) == Success) { |
288 | Atom *atoms = (Atom *)propertyValue; |
289 | int maximized = 0; |
290 | int fullscreen = 0; |
291 | |
292 | for (i = 0; i < numItems; ++i) { |
293 | if (atoms[i] == _NET_WM_STATE_HIDDEN) { |
294 | flags |= SDL_WINDOW_MINIMIZED | SDL_WINDOW_OCCLUDED; |
295 | } else if (atoms[i] == _NET_WM_STATE_FOCUSED) { |
296 | flags |= SDL_WINDOW_INPUT_FOCUS; |
297 | } else if (atoms[i] == _NET_WM_STATE_MAXIMIZED_VERT) { |
298 | maximized |= 1; |
299 | } else if (atoms[i] == _NET_WM_STATE_MAXIMIZED_HORZ) { |
300 | maximized |= 2; |
301 | } else if (atoms[i] == _NET_WM_STATE_FULLSCREEN) { |
302 | fullscreen = 1; |
303 | } |
304 | } |
305 | |
306 | if (fullscreen == 1) { |
307 | if (window->flags & SDL_WINDOW_FULLSCREEN) { |
308 | // Pick whatever state the window expects |
309 | flags |= (window->flags & SDL_WINDOW_FULLSCREEN); |
310 | } else { |
311 | // Assume we're fullscreen desktop |
312 | flags |= SDL_WINDOW_FULLSCREEN; |
313 | } |
314 | } |
315 | |
316 | if (maximized == 3) { |
317 | /* Fullscreen windows are maximized on some window managers, |
318 | and this is functional behavior - if maximized is removed, |
319 | the windows remain floating centered and not covering the |
320 | rest of the desktop. So we just won't change the maximize |
321 | state for fullscreen windows here, otherwise SDL would think |
322 | we're always maximized when fullscreen and not restore the |
323 | correct state when leaving fullscreen. |
324 | */ |
325 | if (fullscreen) { |
326 | flags |= (window->flags & SDL_WINDOW_MAXIMIZED); |
327 | } else { |
328 | flags |= SDL_WINDOW_MAXIMIZED; |
329 | } |
330 | } |
331 | |
332 | /* If the window is unmapped, numItems will be zero and _NET_WM_STATE_HIDDEN |
333 | * will not be set. Do an additional check to see if the window is unmapped |
334 | * and mark it as SDL_WINDOW_HIDDEN if it is. |
335 | */ |
336 | { |
337 | XWindowAttributes attr; |
338 | SDL_memset(&attr, 0, sizeof(attr)); |
339 | X11_XGetWindowAttributes(videodata->display, xwindow, &attr); |
340 | if (attr.map_state == IsUnmapped) { |
341 | flags |= SDL_WINDOW_HIDDEN; |
342 | } |
343 | } |
344 | X11_XFree(propertyValue); |
345 | } |
346 | |
347 | // FIXME, check the size hints for resizable |
348 | // flags |= SDL_WINDOW_RESIZABLE; |
349 | |
350 | return flags; |
351 | } |
352 | |
353 | static bool SetupWindowData(SDL_VideoDevice *_this, SDL_Window *window, Window w) |
354 | { |
355 | SDL_VideoData *videodata = _this->internal; |
356 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
357 | SDL_WindowData *data; |
358 | int numwindows = videodata->numwindows; |
359 | int windowlistlength = videodata->windowlistlength; |
360 | SDL_WindowData **windowlist = videodata->windowlist; |
361 | |
362 | // Allocate the window data |
363 | data = (SDL_WindowData *)SDL_calloc(1, sizeof(*data)); |
364 | if (!data) { |
365 | return false; |
366 | } |
367 | data->videodata = videodata; |
368 | data->window = window; |
369 | data->xwindow = w; |
370 | data->hit_test_result = SDL_HITTEST_NORMAL; |
371 | |
372 | X11_CreateInputContext(data); |
373 | |
374 | // Associate the data with the window |
375 | |
376 | if (numwindows < windowlistlength) { |
377 | windowlist[numwindows] = data; |
378 | videodata->numwindows++; |
379 | } else { |
380 | SDL_WindowData ** new_windowlist = (SDL_WindowData **)SDL_realloc(windowlist, (numwindows + 1) * sizeof(*windowlist)); |
381 | if (!new_windowlist) { |
382 | SDL_free(data); |
383 | return false; |
384 | } |
385 | windowlist = new_windowlist; |
386 | windowlist[numwindows] = data; |
387 | videodata->numwindows++; |
388 | videodata->windowlistlength++; |
389 | videodata->windowlist = windowlist; |
390 | } |
391 | |
392 | // Fill in the SDL window with the window data |
393 | { |
394 | XWindowAttributes attrib; |
395 | |
396 | X11_XGetWindowAttributes(data->videodata->display, w, &attrib); |
397 | if (!SDL_WINDOW_IS_POPUP(window)) { |
398 | window->x = window->windowed.x = window->floating.x = attrib.x; |
399 | window->y = window->windowed.y = window->floating.y = attrib.y - data->border_top; |
400 | } |
401 | window->w = window->windowed.w = window->floating.w = attrib.width; |
402 | window->h = window->windowed.h = window->floating.h = attrib.height; |
403 | if (attrib.map_state != IsUnmapped) { |
404 | window->flags &= ~SDL_WINDOW_HIDDEN; |
405 | } else { |
406 | window->flags |= SDL_WINDOW_HIDDEN; |
407 | } |
408 | data->visual = attrib.visual; |
409 | data->colormap = attrib.colormap; |
410 | } |
411 | |
412 | window->flags |= X11_GetNetWMState(_this, window, w); |
413 | |
414 | { |
415 | Window FocalWindow; |
416 | int RevertTo = 0; |
417 | X11_XGetInputFocus(data->videodata->display, &FocalWindow, &RevertTo); |
418 | if (FocalWindow == w) { |
419 | window->flags |= SDL_WINDOW_INPUT_FOCUS; |
420 | } |
421 | |
422 | if (window->flags & SDL_WINDOW_INPUT_FOCUS) { |
423 | SDL_SetKeyboardFocus(data->window); |
424 | } |
425 | |
426 | if (window->flags & SDL_WINDOW_MOUSE_GRABBED) { |
427 | // Tell x11 to clip mouse |
428 | } |
429 | } |
430 | |
431 | if (window->flags & SDL_WINDOW_EXTERNAL) { |
432 | // Query the title from the existing window |
433 | window->title = X11_GetWindowTitle(_this, w); |
434 | } |
435 | |
436 | SDL_PropertiesID props = SDL_GetWindowProperties(window); |
437 | int screen = (displaydata ? displaydata->screen : 0); |
438 | SDL_SetPointerProperty(props, SDL_PROP_WINDOW_X11_DISPLAY_POINTER, data->videodata->display); |
439 | SDL_SetNumberProperty(props, SDL_PROP_WINDOW_X11_SCREEN_NUMBER, screen); |
440 | SDL_SetNumberProperty(props, SDL_PROP_WINDOW_X11_WINDOW_NUMBER, data->xwindow); |
441 | |
442 | // All done! |
443 | window->internal = data; |
444 | return true; |
445 | } |
446 | |
447 | static void SetupWindowInput(SDL_VideoDevice *_this, SDL_Window *window) |
448 | { |
449 | long fevent = 0; |
450 | SDL_WindowData *data = window->internal; |
451 | Window xwindow = data->xwindow; |
452 | |
453 | #ifdef X_HAVE_UTF8_STRING |
454 | if (SDL_X11_HAVE_UTF8 && data->ic) { |
455 | X11_XGetICValues(data->ic, XNFilterEvents, &fevent, NULL); |
456 | } |
457 | #endif |
458 | |
459 | X11_Xinput2SelectTouch(_this, window); |
460 | |
461 | { |
462 | unsigned int x11_keyboard_events = KeyPressMask | KeyReleaseMask; |
463 | unsigned int x11_pointer_events = ButtonPressMask | ButtonReleaseMask | PointerMotionMask; |
464 | |
465 | X11_Xinput2SelectMouseAndKeyboard(_this, window); |
466 | |
467 | // If XInput2 can handle pointer and keyboard events, we don't track them here |
468 | if (data->xinput2_keyboard_enabled) { |
469 | x11_keyboard_events = 0; |
470 | } |
471 | if (data->xinput2_mouse_enabled) { |
472 | x11_pointer_events = 0; |
473 | } |
474 | |
475 | X11_XSelectInput(data->videodata->display, xwindow, |
476 | (FocusChangeMask | EnterWindowMask | LeaveWindowMask | ExposureMask | |
477 | x11_keyboard_events | x11_pointer_events | |
478 | PropertyChangeMask | StructureNotifyMask | |
479 | KeymapStateMask | fevent)); |
480 | } |
481 | } |
482 | |
483 | static void SetWindowBordered(Display *display, int screen, Window window, bool border) |
484 | { |
485 | /* |
486 | * this code used to check for KWM_WIN_DECORATION, but KDE hasn't |
487 | * supported it for years and years. It now respects _MOTIF_WM_HINTS. |
488 | * Gnome is similar: just use the Motif atom. |
489 | */ |
490 | |
491 | Atom WM_HINTS = X11_XInternAtom(display, "_MOTIF_WM_HINTS" , True); |
492 | if (WM_HINTS != None) { |
493 | // Hints used by Motif compliant window managers |
494 | struct |
495 | { |
496 | unsigned long flags; |
497 | unsigned long functions; |
498 | unsigned long decorations; |
499 | long input_mode; |
500 | unsigned long status; |
501 | } MWMHints = { |
502 | (1L << 1), 0, border ? 1 : 0, 0, 0 |
503 | }; |
504 | |
505 | X11_XChangeProperty(display, window, WM_HINTS, WM_HINTS, 32, |
506 | PropModeReplace, (unsigned char *)&MWMHints, |
507 | sizeof(MWMHints) / sizeof(long)); |
508 | } else { // set the transient hints instead, if necessary |
509 | X11_XSetTransientForHint(display, window, RootWindow(display, screen)); |
510 | } |
511 | } |
512 | |
513 | bool X11_CreateWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID create_props) |
514 | { |
515 | Window w = (Window)SDL_GetNumberProperty(create_props, SDL_PROP_WINDOW_CREATE_X11_WINDOW_NUMBER, |
516 | (Window)SDL_GetPointerProperty(create_props, "sdl2-compat.external_window" , NULL)); |
517 | if (w) { |
518 | window->flags |= SDL_WINDOW_EXTERNAL; |
519 | |
520 | if (!SetupWindowData(_this, window, w)) { |
521 | return false; |
522 | } |
523 | |
524 | if (SDL_GetHintBoolean(SDL_HINT_VIDEO_X11_EXTERNAL_WINDOW_INPUT, true)) { |
525 | SetupWindowInput(_this, window); |
526 | } |
527 | return true; |
528 | } |
529 | |
530 | SDL_VideoData *data = _this->internal; |
531 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
532 | if (!displaydata) { |
533 | return SDL_SetError("Could not find display info" ); |
534 | } |
535 | |
536 | const bool force_override_redirect = SDL_GetHintBoolean(SDL_HINT_X11_FORCE_OVERRIDE_REDIRECT, false); |
537 | const bool use_resize_sync = (window->flags & SDL_WINDOW_VULKAN); /* doesn't work well with Vulkan */ |
538 | SDL_WindowData *windowdata; |
539 | Display *display = data->display; |
540 | int screen = displaydata->screen; |
541 | Visual *visual; |
542 | int depth; |
543 | XSetWindowAttributes xattr; |
544 | XSizeHints *sizehints; |
545 | XWMHints *wmhints; |
546 | XClassHint *classhints; |
547 | Atom _NET_WM_BYPASS_COMPOSITOR; |
548 | Atom _NET_WM_WINDOW_TYPE; |
549 | Atom wintype; |
550 | const char *wintype_name = NULL; |
551 | long compositor = 1; |
552 | Atom _NET_WM_PID; |
553 | const char *hint = NULL; |
554 | int win_x, win_y; |
555 | bool undefined_position = false; |
556 | |
557 | #if defined(SDL_VIDEO_OPENGL_GLX) || defined(SDL_VIDEO_OPENGL_EGL) |
558 | const int transparent = (window->flags & SDL_WINDOW_TRANSPARENT) ? true : false; |
559 | const char *forced_visual_id = SDL_GetHint(SDL_HINT_VIDEO_X11_WINDOW_VISUALID); |
560 | const char *display_visual_id = SDL_GetHint(SDL_HINT_VIDEO_X11_VISUALID); |
561 | |
562 | if (forced_visual_id && *forced_visual_id) { |
563 | XVisualInfo *vi, template; |
564 | int nvis; |
565 | |
566 | SDL_zero(template); |
567 | template.visualid = SDL_strtol(forced_visual_id, NULL, 0); |
568 | vi = X11_XGetVisualInfo(display, VisualIDMask, &template, &nvis); |
569 | if (vi) { |
570 | visual = vi->visual; |
571 | depth = vi->depth; |
572 | X11_XFree(vi); |
573 | } else { |
574 | return false; |
575 | } |
576 | } else if ((window->flags & SDL_WINDOW_OPENGL) && |
577 | (!display_visual_id || !*display_visual_id)) { |
578 | XVisualInfo *vinfo = NULL; |
579 | |
580 | #ifdef SDL_VIDEO_OPENGL_EGL |
581 | if (((_this->gl_config.profile_mask == SDL_GL_CONTEXT_PROFILE_ES) || |
582 | SDL_GetHintBoolean(SDL_HINT_VIDEO_FORCE_EGL, false)) |
583 | #ifdef SDL_VIDEO_OPENGL_GLX |
584 | && (!_this->gl_data || X11_GL_UseEGL(_this)) |
585 | #endif |
586 | ) { |
587 | vinfo = X11_GLES_GetVisual(_this, display, screen, transparent); |
588 | } else |
589 | #endif |
590 | { |
591 | #ifdef SDL_VIDEO_OPENGL_GLX |
592 | vinfo = X11_GL_GetVisual(_this, display, screen, transparent); |
593 | #endif |
594 | } |
595 | |
596 | if (!vinfo) { |
597 | return false; |
598 | } |
599 | visual = vinfo->visual; |
600 | depth = vinfo->depth; |
601 | X11_XFree(vinfo); |
602 | } else |
603 | #endif |
604 | { |
605 | visual = displaydata->visual; |
606 | depth = displaydata->depth; |
607 | } |
608 | |
609 | xattr.override_redirect = ((window->flags & SDL_WINDOW_TOOLTIP) || (window->flags & SDL_WINDOW_POPUP_MENU) || force_override_redirect) ? True : False; |
610 | xattr.backing_store = NotUseful; |
611 | xattr.background_pixmap = None; |
612 | xattr.border_pixel = 0; |
613 | |
614 | if (visual->class == DirectColor) { |
615 | XColor *colorcells; |
616 | int i; |
617 | int ncolors; |
618 | int rmax, gmax, bmax; |
619 | int rmask, gmask, bmask; |
620 | int rshift, gshift, bshift; |
621 | |
622 | xattr.colormap = |
623 | X11_XCreateColormap(display, RootWindow(display, screen), |
624 | visual, AllocAll); |
625 | |
626 | // If we can't create a colormap, then we must die |
627 | if (!xattr.colormap) { |
628 | return SDL_SetError("Could not create writable colormap" ); |
629 | } |
630 | |
631 | // OK, we got a colormap, now fill it in as best as we can |
632 | colorcells = SDL_malloc(visual->map_entries * sizeof(XColor)); |
633 | if (!colorcells) { |
634 | return false; |
635 | } |
636 | ncolors = visual->map_entries; |
637 | rmax = 0xffff; |
638 | gmax = 0xffff; |
639 | bmax = 0xffff; |
640 | |
641 | rshift = 0; |
642 | rmask = visual->red_mask; |
643 | while (0 == (rmask & 1)) { |
644 | rshift++; |
645 | rmask >>= 1; |
646 | } |
647 | |
648 | gshift = 0; |
649 | gmask = visual->green_mask; |
650 | while (0 == (gmask & 1)) { |
651 | gshift++; |
652 | gmask >>= 1; |
653 | } |
654 | |
655 | bshift = 0; |
656 | bmask = visual->blue_mask; |
657 | while (0 == (bmask & 1)) { |
658 | bshift++; |
659 | bmask >>= 1; |
660 | } |
661 | |
662 | // build the color table pixel values |
663 | for (i = 0; i < ncolors; i++) { |
664 | Uint32 red = (rmax * i) / (ncolors - 1); |
665 | Uint32 green = (gmax * i) / (ncolors - 1); |
666 | Uint32 blue = (bmax * i) / (ncolors - 1); |
667 | |
668 | Uint32 rbits = (rmask * i) / (ncolors - 1); |
669 | Uint32 gbits = (gmask * i) / (ncolors - 1); |
670 | Uint32 bbits = (bmask * i) / (ncolors - 1); |
671 | |
672 | Uint32 pix = |
673 | (rbits << rshift) | (gbits << gshift) | (bbits << bshift); |
674 | |
675 | colorcells[i].pixel = pix; |
676 | |
677 | colorcells[i].red = red; |
678 | colorcells[i].green = green; |
679 | colorcells[i].blue = blue; |
680 | |
681 | colorcells[i].flags = DoRed | DoGreen | DoBlue; |
682 | } |
683 | |
684 | X11_XStoreColors(display, xattr.colormap, colorcells, ncolors); |
685 | |
686 | SDL_free(colorcells); |
687 | } else { |
688 | xattr.colormap = |
689 | X11_XCreateColormap(display, RootWindow(display, screen), |
690 | visual, AllocNone); |
691 | } |
692 | |
693 | if (window->undefined_x && window->undefined_y && |
694 | window->last_displayID == SDL_GetPrimaryDisplay()) { |
695 | undefined_position = true; |
696 | } |
697 | |
698 | if (SDL_WINDOW_IS_POPUP(window)) { |
699 | X11_ConstrainPopup(window, false); |
700 | } |
701 | SDL_RelativeToGlobalForWindow(window, |
702 | window->floating.x, window->floating.y, |
703 | &win_x, &win_y); |
704 | |
705 | /* Always create this with the window->floating.* fields; if we're creating a windowed mode window, |
706 | * that's fine. If we're creating a maximized or fullscreen window, the window manager will want to |
707 | * know these values so it can use them if we go _back_ to the base floating windowed mode. SDL manages |
708 | * migration to fullscreen after CreateSDLWindow returns, which will put all the SDL_Window fields and |
709 | * system state as expected. |
710 | */ |
711 | w = X11_XCreateWindow(display, RootWindow(display, screen), |
712 | win_x, win_y, window->floating.w, window->floating.h, |
713 | 0, depth, InputOutput, visual, |
714 | (CWOverrideRedirect | CWBackPixmap | CWBorderPixel | |
715 | CWBackingStore | CWColormap), |
716 | &xattr); |
717 | if (!w) { |
718 | return SDL_SetError("Couldn't create window" ); |
719 | } |
720 | |
721 | /* Don't set the borderless flag if we're about to go fullscreen. |
722 | * This prevents the window manager from moving a full-screen borderless |
723 | * window to a different display before we actually go fullscreen. |
724 | */ |
725 | if (!(window->pending_flags & SDL_WINDOW_FULLSCREEN)) { |
726 | SetWindowBordered(display, screen, w, !(window->flags & SDL_WINDOW_BORDERLESS)); |
727 | } |
728 | |
729 | sizehints = X11_XAllocSizeHints(); |
730 | // Setup the normal size hints |
731 | sizehints->flags = 0; |
732 | if (!(window->flags & SDL_WINDOW_RESIZABLE)) { |
733 | sizehints->min_width = sizehints->max_width = window->floating.w; |
734 | sizehints->min_height = sizehints->max_height = window->floating.h; |
735 | sizehints->flags |= (PMaxSize | PMinSize); |
736 | } |
737 | if (!undefined_position) { |
738 | sizehints->x = win_x; |
739 | sizehints->y = win_y; |
740 | sizehints->flags |= USPosition; |
741 | } |
742 | |
743 | // Setup the input hints so we get keyboard input |
744 | wmhints = X11_XAllocWMHints(); |
745 | wmhints->input = !(window->flags & SDL_WINDOW_NOT_FOCUSABLE) ? True : False; |
746 | wmhints->window_group = data->window_group; |
747 | wmhints->flags = InputHint | WindowGroupHint; |
748 | |
749 | // Setup the class hints so we can get an icon (AfterStep) |
750 | classhints = X11_XAllocClassHint(); |
751 | classhints->res_name = (char *)SDL_GetExeName(); |
752 | classhints->res_class = (char *)SDL_GetAppID(); |
753 | |
754 | // Set the size, input and class hints, and define WM_CLIENT_MACHINE and WM_LOCALE_NAME |
755 | X11_XSetWMProperties(display, w, NULL, NULL, NULL, 0, sizehints, wmhints, classhints); |
756 | |
757 | X11_XFree(sizehints); |
758 | X11_XFree(wmhints); |
759 | X11_XFree(classhints); |
760 | // Set the PID related to the window for the given hostname, if possible |
761 | if (data->pid > 0) { |
762 | long pid = (long)data->pid; |
763 | _NET_WM_PID = X11_XInternAtom(display, "_NET_WM_PID" , False); |
764 | X11_XChangeProperty(display, w, _NET_WM_PID, XA_CARDINAL, 32, PropModeReplace, |
765 | (unsigned char *)&pid, 1); |
766 | } |
767 | |
768 | // Set the window manager state |
769 | X11_SetNetWMState(_this, w, window->flags); |
770 | |
771 | compositor = 2; // don't disable compositing except for "normal" windows |
772 | hint = SDL_GetHint(SDL_HINT_X11_WINDOW_TYPE); |
773 | if (window->flags & SDL_WINDOW_UTILITY) { |
774 | wintype_name = "_NET_WM_WINDOW_TYPE_UTILITY" ; |
775 | } else if (window->flags & SDL_WINDOW_TOOLTIP) { |
776 | wintype_name = "_NET_WM_WINDOW_TYPE_TOOLTIP" ; |
777 | } else if (window->flags & SDL_WINDOW_POPUP_MENU) { |
778 | wintype_name = "_NET_WM_WINDOW_TYPE_POPUP_MENU" ; |
779 | } else if (hint && *hint) { |
780 | wintype_name = hint; |
781 | } else { |
782 | wintype_name = "_NET_WM_WINDOW_TYPE_NORMAL" ; |
783 | compositor = 1; // disable compositing for "normal" windows |
784 | } |
785 | |
786 | // Let the window manager know what type of window we are. |
787 | _NET_WM_WINDOW_TYPE = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE" , False); |
788 | wintype = X11_XInternAtom(display, wintype_name, False); |
789 | X11_XChangeProperty(display, w, _NET_WM_WINDOW_TYPE, XA_ATOM, 32, |
790 | PropModeReplace, (unsigned char *)&wintype, 1); |
791 | if (SDL_GetHintBoolean(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, true)) { |
792 | _NET_WM_BYPASS_COMPOSITOR = X11_XInternAtom(display, "_NET_WM_BYPASS_COMPOSITOR" , False); |
793 | X11_XChangeProperty(display, w, _NET_WM_BYPASS_COMPOSITOR, XA_CARDINAL, 32, |
794 | PropModeReplace, |
795 | (unsigned char *)&compositor, 1); |
796 | } |
797 | |
798 | { |
799 | Atom protocols[4]; |
800 | int proto_count = 0; |
801 | |
802 | protocols[proto_count++] = data->atoms.WM_DELETE_WINDOW; // Allow window to be deleted by the WM |
803 | protocols[proto_count++] = data->atoms.WM_TAKE_FOCUS; // Since we will want to set input focus explicitly |
804 | |
805 | // Default to using ping if there is no hint |
806 | if (SDL_GetHintBoolean(SDL_HINT_VIDEO_X11_NET_WM_PING, true)) { |
807 | protocols[proto_count++] = data->atoms._NET_WM_PING; // Respond so WM knows we're alive |
808 | } |
809 | |
810 | #ifdef SDL_VIDEO_DRIVER_X11_XSYNC |
811 | if (use_resize_sync) { |
812 | protocols[proto_count++] = data->atoms._NET_WM_SYNC_REQUEST; /* Respond after completing resize */ |
813 | } |
814 | #endif /* SDL_VIDEO_DRIVER_X11_XSYNC */ |
815 | |
816 | SDL_assert(proto_count <= sizeof(protocols) / sizeof(protocols[0])); |
817 | |
818 | X11_XSetWMProtocols(display, w, protocols, proto_count); |
819 | } |
820 | |
821 | if (!SetupWindowData(_this, window, w)) { |
822 | X11_XDestroyWindow(display, w); |
823 | return false; |
824 | } |
825 | windowdata = window->internal; |
826 | |
827 | // Set the parent if this is a non-popup window. |
828 | if (!SDL_WINDOW_IS_POPUP(window) && window->parent) { |
829 | X11_XSetTransientForHint(display, w, window->parent->internal->xwindow); |
830 | } |
831 | |
832 | // Set the flag if the borders were forced on when creating a fullscreen window for later removal. |
833 | windowdata->fullscreen_borders_forced_on = !!(window->pending_flags & SDL_WINDOW_FULLSCREEN) && |
834 | !!(window->flags & SDL_WINDOW_BORDERLESS); |
835 | |
836 | #ifdef SDL_VIDEO_DRIVER_X11_XSYNC |
837 | if (use_resize_sync) { |
838 | X11_InitResizeSync(window); |
839 | } |
840 | #endif /* SDL_VIDEO_DRIVER_X11_XSYNC */ |
841 | |
842 | #if defined(SDL_VIDEO_OPENGL_ES) || defined(SDL_VIDEO_OPENGL_ES2) || defined(SDL_VIDEO_OPENGL_EGL) |
843 | if ((window->flags & SDL_WINDOW_OPENGL) && |
844 | ((_this->gl_config.profile_mask == SDL_GL_CONTEXT_PROFILE_ES) || |
845 | SDL_GetHintBoolean(SDL_HINT_VIDEO_FORCE_EGL, false)) |
846 | #ifdef SDL_VIDEO_OPENGL_GLX |
847 | && (!_this->gl_data || X11_GL_UseEGL(_this)) |
848 | #endif |
849 | ) { |
850 | #ifdef SDL_VIDEO_OPENGL_EGL |
851 | if (!_this->egl_data) { |
852 | return false; |
853 | } |
854 | |
855 | // Create the GLES window surface |
856 | windowdata->egl_surface = SDL_EGL_CreateSurface(_this, window, (NativeWindowType)w); |
857 | |
858 | if (windowdata->egl_surface == EGL_NO_SURFACE) { |
859 | return SDL_SetError("Could not create GLES window surface" ); |
860 | } |
861 | #else |
862 | return SDL_SetError("Could not create GLES window surface (EGL support not configured)" ); |
863 | #endif // SDL_VIDEO_OPENGL_EGL |
864 | } |
865 | #endif |
866 | |
867 | #ifdef SDL_VIDEO_DRIVER_X11_XSHAPE |
868 | // Tooltips do not receive input |
869 | if (window->flags & SDL_WINDOW_TOOLTIP) { |
870 | Region region = X11_XCreateRegion(); |
871 | X11_XShapeCombineRegion(display, w, ShapeInput, 0, 0, region, ShapeSet); |
872 | X11_XDestroyRegion(region); |
873 | } |
874 | #endif |
875 | |
876 | SetupWindowInput(_this, window); |
877 | |
878 | // For _ICC_PROFILE. |
879 | X11_XSelectInput(display, RootWindow(display, screen), PropertyChangeMask); |
880 | |
881 | X11_XFlush(display); |
882 | |
883 | return true; |
884 | } |
885 | |
886 | char *X11_GetWindowTitle(SDL_VideoDevice *_this, Window xwindow) |
887 | { |
888 | SDL_VideoData *data = _this->internal; |
889 | Display *display = data->display; |
890 | int status, real_format; |
891 | Atom real_type; |
892 | unsigned long items_read, items_left; |
893 | unsigned char *propdata; |
894 | char *title = NULL; |
895 | |
896 | status = X11_XGetWindowProperty(display, xwindow, data->atoms._NET_WM_NAME, |
897 | 0L, 8192L, False, data->atoms.UTF8_STRING, &real_type, &real_format, |
898 | &items_read, &items_left, &propdata); |
899 | if (status == Success && propdata) { |
900 | title = SDL_strdup(SDL_static_cast(char *, propdata)); |
901 | X11_XFree(propdata); |
902 | } else { |
903 | status = X11_XGetWindowProperty(display, xwindow, XA_WM_NAME, |
904 | 0L, 8192L, False, XA_STRING, &real_type, &real_format, |
905 | &items_read, &items_left, &propdata); |
906 | if (status == Success && propdata) { |
907 | title = SDL_iconv_string("UTF-8" , "" , SDL_static_cast(char *, propdata), items_read + 1); |
908 | SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Failed to convert WM_NAME title expecting UTF8! Title: %s" , title); |
909 | X11_XFree(propdata); |
910 | } else { |
911 | SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Could not get any window title response from Xorg, returning empty string!" ); |
912 | title = SDL_strdup("" ); |
913 | } |
914 | } |
915 | return title; |
916 | } |
917 | |
918 | void X11_SetWindowTitle(SDL_VideoDevice *_this, SDL_Window *window) |
919 | { |
920 | SDL_WindowData *data = window->internal; |
921 | Window xwindow = data->xwindow; |
922 | Display *display = data->videodata->display; |
923 | char *title = window->title ? window->title : "" ; |
924 | |
925 | SDL_X11_SetWindowTitle(display, xwindow, title); |
926 | } |
927 | |
928 | static bool caught_x11_error = false; |
929 | static int X11_CatchAnyError(Display *d, XErrorEvent *e) |
930 | { |
931 | /* this may happen during tumultuous times when we are polling anyhow, |
932 | so just note we had an error and return control. */ |
933 | caught_x11_error = true; |
934 | return 0; |
935 | } |
936 | |
937 | static void X11_ExternalResizeMoveSync(SDL_Window *window) |
938 | { |
939 | SDL_WindowData *data = window->internal; |
940 | Display *display = data->videodata->display; |
941 | int (*prev_handler)(Display *, XErrorEvent *); |
942 | unsigned int childCount; |
943 | Window childReturn, root, parent; |
944 | Window *children; |
945 | XWindowAttributes attrs; |
946 | Uint64 timeout = 0; |
947 | int x, y; |
948 | const bool send_move = !!(data->pending_operation & X11_PENDING_OP_MOVE); |
949 | const bool send_resize = !!(data->pending_operation & X11_PENDING_OP_RESIZE); |
950 | |
951 | X11_XSync(display, False); |
952 | X11_XQueryTree(display, data->xwindow, &root, &parent, &children, &childCount); |
953 | prev_handler = X11_XSetErrorHandler(X11_CatchAnyError); |
954 | |
955 | /* Wait a brief time to see if the window manager decided to let the move or resize happen. |
956 | * If the window changes at all, even to an unexpected value, we break out. |
957 | */ |
958 | timeout = SDL_GetTicksNS() + SDL_MS_TO_NS(100); |
959 | while (true) { |
960 | caught_x11_error = false; |
961 | X11_XSync(display, False); |
962 | X11_XGetWindowAttributes(display, data->xwindow, &attrs); |
963 | X11_XTranslateCoordinates(display, parent, DefaultRootWindow(display), |
964 | attrs.x, attrs.y, &x, &y, &childReturn); |
965 | SDL_GlobalToRelativeForWindow(window, x, y, &x, &y); |
966 | |
967 | if (!caught_x11_error) { |
968 | if ((data->pending_operation & X11_PENDING_OP_MOVE) && (x == data->expected.x + data->border_left && y == data->expected.y + data->border_top)) { |
969 | data->pending_operation &= ~X11_PENDING_OP_MOVE; |
970 | } |
971 | if ((data->pending_operation & X11_PENDING_OP_RESIZE) && (attrs.width == data->expected.w && attrs.height == data->expected.h)) { |
972 | data->pending_operation &= ~X11_PENDING_OP_RESIZE; |
973 | } |
974 | |
975 | if (data->pending_operation == X11_PENDING_OP_NONE) { |
976 | break; |
977 | } |
978 | } |
979 | |
980 | if (SDL_GetTicksNS() >= timeout) { |
981 | // Timed out without the expected values. Update the requested data so future sync calls won't block. |
982 | data->pending_operation &= ~(X11_PENDING_OP_MOVE | X11_PENDING_OP_RESIZE); |
983 | data->expected.x = x; |
984 | data->expected.y = y; |
985 | data->expected.w = attrs.width; |
986 | data->expected.h = attrs.height; |
987 | break; |
988 | } |
989 | |
990 | SDL_Delay(10); |
991 | } |
992 | |
993 | if (!caught_x11_error) { |
994 | if (send_move) { |
995 | SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_MOVED, x, y); |
996 | } |
997 | if (send_resize) { |
998 | SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_RESIZED, attrs.width, attrs.height); |
999 | } |
1000 | } |
1001 | |
1002 | X11_XSetErrorHandler(prev_handler); |
1003 | caught_x11_error = false; |
1004 | } |
1005 | |
1006 | /* Wait a brief time, or not, to see if the window manager decided to move/resize the window. |
1007 | * Send MOVED and RESIZED window events */ |
1008 | static bool X11_SyncWindowTimeout(SDL_VideoDevice *_this, SDL_Window *window, Uint64 param_timeout) |
1009 | { |
1010 | SDL_WindowData *data = window->internal; |
1011 | Display *display = data->videodata->display; |
1012 | int (*prev_handler)(Display *, XErrorEvent *); |
1013 | Uint64 timeout = 0; |
1014 | bool force_exit = false; |
1015 | bool result = true; |
1016 | |
1017 | X11_XSync(display, False); |
1018 | prev_handler = X11_XSetErrorHandler(X11_CatchAnyError); |
1019 | |
1020 | if (param_timeout) { |
1021 | timeout = SDL_GetTicksNS() + param_timeout; |
1022 | } |
1023 | |
1024 | while (true) { |
1025 | X11_XSync(display, False); |
1026 | X11_PumpEvents(_this); |
1027 | |
1028 | if ((data->pending_operation & X11_PENDING_OP_MOVE) && (window->x == data->expected.x + data->border_left && window->y == data->expected.y + data->border_top)) { |
1029 | data->pending_operation &= ~X11_PENDING_OP_MOVE; |
1030 | } |
1031 | if ((data->pending_operation & X11_PENDING_OP_RESIZE) && (window->w == data->expected.w && window->h == data->expected.h)) { |
1032 | data->pending_operation &= ~X11_PENDING_OP_RESIZE; |
1033 | } |
1034 | |
1035 | if (data->pending_operation == X11_PENDING_OP_NONE) { |
1036 | if (force_exit || |
1037 | (window->x == data->expected.x + data->border_left && window->y == data->expected.y + data->border_top && |
1038 | window->w == data->expected.w && window->h == data->expected.h)) { |
1039 | // The window is in the expected state and nothing is pending. Done. |
1040 | break; |
1041 | } |
1042 | |
1043 | /* No operations are pending, but the window still isn't in the expected state. |
1044 | * Try one more time before exiting. |
1045 | */ |
1046 | force_exit = true; |
1047 | } |
1048 | |
1049 | if (SDL_GetTicksNS() >= timeout) { |
1050 | // Timed out without the expected values. Update the requested data so future sync calls won't block. |
1051 | data->expected.x = window->x; |
1052 | data->expected.y = window->y; |
1053 | data->expected.w = window->w; |
1054 | data->expected.h = window->h; |
1055 | |
1056 | result = false; |
1057 | break; |
1058 | } |
1059 | |
1060 | SDL_Delay(10); |
1061 | } |
1062 | |
1063 | data->pending_operation = X11_PENDING_OP_NONE; |
1064 | |
1065 | if (!caught_x11_error) { |
1066 | X11_PumpEvents(_this); |
1067 | } else { |
1068 | result = false; |
1069 | } |
1070 | |
1071 | X11_XSetErrorHandler(prev_handler); |
1072 | caught_x11_error = false; |
1073 | |
1074 | return result; |
1075 | } |
1076 | |
1077 | bool X11_SetWindowIcon(SDL_VideoDevice *_this, SDL_Window *window, SDL_Surface *icon) |
1078 | { |
1079 | SDL_WindowData *data = window->internal; |
1080 | Display *display = data->videodata->display; |
1081 | Atom _NET_WM_ICON = data->videodata->atoms._NET_WM_ICON; |
1082 | int (*prevHandler)(Display *, XErrorEvent *) = NULL; |
1083 | bool result = true; |
1084 | |
1085 | if (icon) { |
1086 | int x, y; |
1087 | int propsize; |
1088 | long *propdata; |
1089 | Uint32 *src; |
1090 | long *dst; |
1091 | |
1092 | // Set the _NET_WM_ICON property |
1093 | SDL_assert(icon->format == SDL_PIXELFORMAT_ARGB8888); |
1094 | propsize = 2 + (icon->w * icon->h); |
1095 | propdata = SDL_malloc(propsize * sizeof(long)); |
1096 | |
1097 | if (!propdata) { |
1098 | return false; |
1099 | } |
1100 | |
1101 | X11_XSync(display, False); |
1102 | prevHandler = X11_XSetErrorHandler(X11_CatchAnyError); |
1103 | |
1104 | propdata[0] = icon->w; |
1105 | propdata[1] = icon->h; |
1106 | dst = &propdata[2]; |
1107 | |
1108 | for (y = 0; y < icon->h; ++y) { |
1109 | src = (Uint32 *)((Uint8 *)icon->pixels + y * icon->pitch); |
1110 | for (x = 0; x < icon->w; ++x) { |
1111 | *dst++ = *src++; |
1112 | } |
1113 | } |
1114 | |
1115 | X11_XChangeProperty(display, data->xwindow, _NET_WM_ICON, XA_CARDINAL, |
1116 | 32, PropModeReplace, (unsigned char *)propdata, |
1117 | propsize); |
1118 | SDL_free(propdata); |
1119 | |
1120 | if (caught_x11_error) { |
1121 | result = SDL_SetError("An error occurred while trying to set the window's icon" ); |
1122 | } |
1123 | } |
1124 | |
1125 | X11_XFlush(display); |
1126 | |
1127 | if (prevHandler) { |
1128 | X11_XSetErrorHandler(prevHandler); |
1129 | caught_x11_error = false; |
1130 | } |
1131 | |
1132 | return result; |
1133 | } |
1134 | |
1135 | void X11_UpdateWindowPosition(SDL_Window *window, bool use_current_position) |
1136 | { |
1137 | SDL_WindowData *data = window->internal; |
1138 | Display *display = data->videodata->display; |
1139 | const int rel_x = use_current_position ? window->x : window->pending.x; |
1140 | const int rel_y = use_current_position ? window->y : window->pending.y; |
1141 | |
1142 | SDL_RelativeToGlobalForWindow(window, |
1143 | rel_x - data->border_left, rel_y - data->border_top, |
1144 | &data->expected.x, &data->expected.y); |
1145 | |
1146 | // Attempt to move the window |
1147 | if (window->flags & SDL_WINDOW_HIDDEN) { |
1148 | window->internal->pending_position = true; |
1149 | } else { |
1150 | data->pending_operation |= X11_PENDING_OP_MOVE; |
1151 | X11_XMoveWindow(display, data->xwindow, data->expected.x, data->expected.y); |
1152 | } |
1153 | } |
1154 | |
1155 | bool X11_SetWindowPosition(SDL_VideoDevice *_this, SDL_Window *window) |
1156 | { |
1157 | // Sync any pending fullscreen or maximize events. |
1158 | if (window->internal->pending_operation & (X11_PENDING_OP_FULLSCREEN | X11_PENDING_OP_MAXIMIZE)) { |
1159 | X11_FlushPendingEvents(_this, window); |
1160 | } |
1161 | |
1162 | // Set the position as pending if the window is maximized with a restore pending. |
1163 | if (window->flags & SDL_WINDOW_MAXIMIZED) { |
1164 | if (window->internal->pending_operation & X11_PENDING_OP_RESTORE) { |
1165 | window->internal->pending_position = true; |
1166 | } |
1167 | return true; |
1168 | } |
1169 | |
1170 | if (!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1171 | if (SDL_WINDOW_IS_POPUP(window)) { |
1172 | X11_ConstrainPopup(window, true); |
1173 | } |
1174 | X11_UpdateWindowPosition(window, false); |
1175 | } else { |
1176 | SDL_UpdateFullscreenMode(window, SDL_FULLSCREEN_OP_UPDATE, true); |
1177 | } |
1178 | return true; |
1179 | } |
1180 | |
1181 | void X11_SetWindowMinMax(SDL_Window *window, bool use_current) |
1182 | { |
1183 | SDL_WindowData *data = window->internal; |
1184 | Display *display = data->videodata->display; |
1185 | XSizeHints *sizehints = X11_XAllocSizeHints(); |
1186 | long hint_flags = 0; |
1187 | |
1188 | X11_XGetWMNormalHints(display, data->xwindow, sizehints, &hint_flags); |
1189 | sizehints->flags &= ~(PMinSize | PMaxSize | PAspect); |
1190 | |
1191 | if (data->window->flags & SDL_WINDOW_RESIZABLE) { |
1192 | if (data->window->min_w || data->window->min_h) { |
1193 | sizehints->flags |= PMinSize; |
1194 | sizehints->min_width = data->window->min_w; |
1195 | sizehints->min_height = data->window->min_h; |
1196 | } |
1197 | if (data->window->max_w || data->window->max_h) { |
1198 | sizehints->flags |= PMaxSize; |
1199 | sizehints->max_width = data->window->max_w; |
1200 | sizehints->max_height = data->window->max_h; |
1201 | } |
1202 | if (data->window->min_aspect > 0.0f || data->window->max_aspect > 0.0f) { |
1203 | sizehints->flags |= PAspect; |
1204 | SDL_CalculateFraction(data->window->min_aspect, &sizehints->min_aspect.x, &sizehints->min_aspect.y); |
1205 | SDL_CalculateFraction(data->window->max_aspect, &sizehints->max_aspect.x, &sizehints->max_aspect.y); |
1206 | } |
1207 | } else { |
1208 | // Set the min/max to the same values to make the window non-resizable |
1209 | sizehints->flags |= PMinSize | PMaxSize; |
1210 | sizehints->min_width = sizehints->max_width = use_current ? data->window->floating.w : window->windowed.w; |
1211 | sizehints->min_height = sizehints->max_height = use_current ? data->window->floating.h : window->windowed.h; |
1212 | } |
1213 | |
1214 | X11_XSetWMNormalHints(display, data->xwindow, sizehints); |
1215 | X11_XFree(sizehints); |
1216 | } |
1217 | |
1218 | void X11_SetWindowMinimumSize(SDL_VideoDevice *_this, SDL_Window *window) |
1219 | { |
1220 | if (window->internal->pending_operation & X11_PENDING_OP_FULLSCREEN) { |
1221 | X11_SyncWindow(_this, window); |
1222 | } |
1223 | |
1224 | if (!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1225 | X11_SetWindowMinMax(window, true); |
1226 | } |
1227 | } |
1228 | |
1229 | void X11_SetWindowMaximumSize(SDL_VideoDevice *_this, SDL_Window *window) |
1230 | { |
1231 | if (window->internal->pending_operation & X11_PENDING_OP_FULLSCREEN) { |
1232 | X11_SyncWindow(_this, window); |
1233 | } |
1234 | |
1235 | if (!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1236 | X11_SetWindowMinMax(window, true); |
1237 | } |
1238 | } |
1239 | |
1240 | void X11_SetWindowAspectRatio(SDL_VideoDevice *_this, SDL_Window *window) |
1241 | { |
1242 | if (window->internal->pending_operation & X11_PENDING_OP_FULLSCREEN) { |
1243 | X11_SyncWindow(_this, window); |
1244 | } |
1245 | |
1246 | if (!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1247 | X11_SetWindowMinMax(window, true); |
1248 | } |
1249 | } |
1250 | |
1251 | void X11_SetWindowSize(SDL_VideoDevice *_this, SDL_Window *window) |
1252 | { |
1253 | SDL_WindowData *data = window->internal; |
1254 | Display *display = data->videodata->display; |
1255 | |
1256 | /* Wait for pending maximize and fullscreen operations to complete, as these windows |
1257 | * don't get size changes. |
1258 | */ |
1259 | if (data->pending_operation & (X11_PENDING_OP_MAXIMIZE | X11_PENDING_OP_FULLSCREEN)) { |
1260 | X11_FlushPendingEvents(_this, window); |
1261 | } |
1262 | |
1263 | // Set the size as pending if the window is being restored. |
1264 | if (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_FULLSCREEN)) { |
1265 | // New size will be set when the window is restored. |
1266 | if (data->pending_operation & X11_PENDING_OP_RESTORE) { |
1267 | data->pending_size = true; |
1268 | } else { |
1269 | // Can't resize the window. |
1270 | window->last_size_pending = false; |
1271 | } |
1272 | return; |
1273 | } |
1274 | |
1275 | if (!(window->flags & SDL_WINDOW_RESIZABLE)) { |
1276 | if (!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1277 | /* Apparently, if the X11 Window is set to a 'non-resizable' window, you cannot resize it using the X11_XResizeWindow, thus |
1278 | * we must set the size hints to adjust the window size. |
1279 | */ |
1280 | XSizeHints *sizehints = X11_XAllocSizeHints(); |
1281 | long userhints; |
1282 | int dest_x, dest_y; |
1283 | |
1284 | X11_XGetWMNormalHints(display, data->xwindow, sizehints, &userhints); |
1285 | |
1286 | data->expected.w = sizehints->min_width = sizehints->max_width = window->pending.w; |
1287 | data->expected.h = sizehints->min_height = sizehints->max_height = window->pending.h; |
1288 | sizehints->flags |= PMinSize | PMaxSize; |
1289 | data->pending_operation |= X11_PENDING_OP_RESIZE; |
1290 | |
1291 | X11_XSetWMNormalHints(display, data->xwindow, sizehints); |
1292 | |
1293 | /* From Pierre-Loup: |
1294 | WMs each have their little quirks with that. When you change the |
1295 | size hints, they get a ConfigureNotify event with the |
1296 | WM_NORMAL_SIZE_HINTS Atom. They all save the hints then, but they |
1297 | don't all resize the window right away to enforce the new hints. |
1298 | |
1299 | Some of them resize only after: |
1300 | - A user-initiated move or resize |
1301 | - A code-initiated move or resize |
1302 | - Hiding & showing window (Unmap & map) |
1303 | |
1304 | The following move & resize seems to help a lot of WMs that didn't |
1305 | properly update after the hints were changed. We don't do a |
1306 | hide/show, because there are supposedly subtle problems with doing so |
1307 | and transitioning from windowed to fullscreen in Unity. |
1308 | */ |
1309 | X11_XResizeWindow(display, data->xwindow, window->pending.w, window->pending.h); |
1310 | const int x = window->last_position_pending ? window->pending.x : window->x; |
1311 | const int y = window->last_position_pending ? window->pending.y : window->y; |
1312 | SDL_RelativeToGlobalForWindow(window, |
1313 | x - data->border_left, |
1314 | y - data->border_top, |
1315 | &dest_x, &dest_y); |
1316 | X11_XMoveWindow(display, data->xwindow, dest_x, dest_y); |
1317 | X11_XRaiseWindow(display, data->xwindow); |
1318 | |
1319 | X11_XFree(sizehints); |
1320 | } |
1321 | } else { |
1322 | data->expected.w = window->pending.w; |
1323 | data->expected.h = window->pending.h; |
1324 | data->pending_operation |= X11_PENDING_OP_RESIZE; |
1325 | X11_XResizeWindow(display, data->xwindow, data->expected.w, data->expected.h); |
1326 | } |
1327 | |
1328 | /* External windows may call this to update the renderer size, but not pump SDL events, |
1329 | * so the size event needs to be synthesized for external windows. If it is wrong, the |
1330 | * true size will be sent if/when events are processed. |
1331 | */ |
1332 | if (window->flags & SDL_WINDOW_EXTERNAL) { |
1333 | SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_RESIZED, window->pending.w, window->pending.h); |
1334 | } |
1335 | } |
1336 | |
1337 | bool (SDL_VideoDevice *_this, SDL_Window *window, int *top, int *left, int *bottom, int *right) |
1338 | { |
1339 | SDL_WindowData *data = window->internal; |
1340 | |
1341 | *left = data->border_left; |
1342 | *right = data->border_right; |
1343 | *top = data->border_top; |
1344 | *bottom = data->border_bottom; |
1345 | |
1346 | return true; |
1347 | } |
1348 | |
1349 | bool X11_SetWindowOpacity(SDL_VideoDevice *_this, SDL_Window *window, float opacity) |
1350 | { |
1351 | SDL_WindowData *data = window->internal; |
1352 | Display *display = data->videodata->display; |
1353 | Atom _NET_WM_WINDOW_OPACITY = data->videodata->atoms._NET_WM_WINDOW_OPACITY; |
1354 | |
1355 | if (opacity == 1.0f) { |
1356 | X11_XDeleteProperty(display, data->xwindow, _NET_WM_WINDOW_OPACITY); |
1357 | } else { |
1358 | const Uint32 FullyOpaque = 0xFFFFFFFF; |
1359 | const long alpha = (long)((double)opacity * (double)FullyOpaque); |
1360 | X11_XChangeProperty(display, data->xwindow, _NET_WM_WINDOW_OPACITY, XA_CARDINAL, 32, |
1361 | PropModeReplace, (unsigned char *)&alpha, 1); |
1362 | } |
1363 | |
1364 | return true; |
1365 | } |
1366 | |
1367 | bool X11_SetWindowParent(SDL_VideoDevice *_this, SDL_Window *window, SDL_Window *parent) |
1368 | { |
1369 | SDL_WindowData *data = window->internal; |
1370 | SDL_WindowData *parent_data = parent ? parent->internal : NULL; |
1371 | SDL_VideoData *video_data = _this->internal; |
1372 | Display *display = video_data->display; |
1373 | |
1374 | if (parent_data) { |
1375 | X11_XSetTransientForHint(display, data->xwindow, parent_data->xwindow); |
1376 | } else { |
1377 | X11_XDeleteProperty(display, data->xwindow, video_data->atoms.WM_TRANSIENT_FOR); |
1378 | } |
1379 | |
1380 | return true; |
1381 | } |
1382 | |
1383 | bool X11_SetWindowModal(SDL_VideoDevice *_this, SDL_Window *window, bool modal) |
1384 | { |
1385 | SDL_WindowData *data = window->internal; |
1386 | SDL_VideoData *video_data = _this->internal; |
1387 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
1388 | Display *display = video_data->display; |
1389 | Uint32 flags = window->flags; |
1390 | Atom _NET_WM_STATE = data->videodata->atoms._NET_WM_STATE; |
1391 | Atom _NET_WM_STATE_MODAL = data->videodata->atoms._NET_WM_STATE_MODAL; |
1392 | |
1393 | if (modal) { |
1394 | flags |= SDL_WINDOW_MODAL; |
1395 | } else { |
1396 | flags &= ~SDL_WINDOW_MODAL; |
1397 | X11_XDeleteProperty(display, data->xwindow, video_data->atoms.WM_TRANSIENT_FOR); |
1398 | } |
1399 | |
1400 | if (X11_IsWindowMapped(_this, window)) { |
1401 | XEvent e; |
1402 | |
1403 | SDL_zero(e); |
1404 | e.xany.type = ClientMessage; |
1405 | e.xclient.message_type = _NET_WM_STATE; |
1406 | e.xclient.format = 32; |
1407 | e.xclient.window = data->xwindow; |
1408 | e.xclient.data.l[0] = modal ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; |
1409 | e.xclient.data.l[1] = _NET_WM_STATE_MODAL; |
1410 | e.xclient.data.l[3] = 0l; |
1411 | |
1412 | X11_XSendEvent(display, RootWindow(display, displaydata->screen), 0, |
1413 | SubstructureNotifyMask | SubstructureRedirectMask, &e); |
1414 | } else { |
1415 | X11_SetNetWMState(_this, data->xwindow, flags); |
1416 | } |
1417 | |
1418 | X11_XFlush(display); |
1419 | |
1420 | return true; |
1421 | } |
1422 | |
1423 | void X11_SetWindowBordered(SDL_VideoDevice *_this, SDL_Window *window, bool bordered) |
1424 | { |
1425 | const bool focused = (window->flags & SDL_WINDOW_INPUT_FOCUS) ? true : false; |
1426 | const bool visible = (!(window->flags & SDL_WINDOW_HIDDEN)) ? true : false; |
1427 | SDL_WindowData *data = window->internal; |
1428 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
1429 | Display *display = data->videodata->display; |
1430 | XEvent event; |
1431 | |
1432 | if (data->pending_operation & X11_PENDING_OP_FULLSCREEN) { |
1433 | X11_SyncWindow(_this, window); |
1434 | } |
1435 | |
1436 | // If the window is fullscreen, the resize capability will be set/cleared when it is returned to windowed mode. |
1437 | if (!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1438 | SetWindowBordered(display, displaydata->screen, data->xwindow, bordered); |
1439 | X11_XFlush(display); |
1440 | |
1441 | if (visible) { |
1442 | XWindowAttributes attr; |
1443 | do { |
1444 | X11_XSync(display, False); |
1445 | X11_XGetWindowAttributes(display, data->xwindow, &attr); |
1446 | } while (attr.map_state != IsViewable); |
1447 | |
1448 | if (focused) { |
1449 | X11_XSetInputFocus(display, data->xwindow, RevertToParent, CurrentTime); |
1450 | } |
1451 | } |
1452 | |
1453 | // make sure these don't make it to the real event queue if they fired here. |
1454 | X11_XSync(display, False); |
1455 | X11_XCheckIfEvent(display, &event, &isUnmapNotify, (XPointer)&data->xwindow); |
1456 | X11_XCheckIfEvent(display, &event, &isMapNotify, (XPointer)&data->xwindow); |
1457 | |
1458 | // Turning the borders off doesn't send an extent event, so they must be cleared here. |
1459 | X11_GetBorderValues(data); |
1460 | |
1461 | // Make sure the window manager didn't resize our window for the difference. |
1462 | X11_XResizeWindow(display, data->xwindow, window->floating.w, window->floating.h); |
1463 | X11_XSync(display, False); |
1464 | } else { |
1465 | // If fullscreen, set a flag to toggle the borders when returning to windowed mode. |
1466 | data->toggle_borders = true; |
1467 | data->fullscreen_borders_forced_on = false; |
1468 | } |
1469 | } |
1470 | |
1471 | void X11_SetWindowResizable(SDL_VideoDevice *_this, SDL_Window *window, bool resizable) |
1472 | { |
1473 | SDL_WindowData *data = window->internal; |
1474 | |
1475 | if (data->pending_operation & X11_PENDING_OP_FULLSCREEN) { |
1476 | X11_SyncWindow(_this, window); |
1477 | } |
1478 | |
1479 | // If the window is fullscreen, the resize capability will be set/cleared when it is returned to windowed mode. |
1480 | if (!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1481 | X11_SetWindowMinMax(window, true); |
1482 | } |
1483 | } |
1484 | |
1485 | void X11_SetWindowAlwaysOnTop(SDL_VideoDevice *_this, SDL_Window *window, bool on_top) |
1486 | { |
1487 | SDL_WindowData *data = window->internal; |
1488 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
1489 | Display *display = data->videodata->display; |
1490 | Atom _NET_WM_STATE = data->videodata->atoms._NET_WM_STATE; |
1491 | Atom _NET_WM_STATE_ABOVE = data->videodata->atoms._NET_WM_STATE_ABOVE; |
1492 | |
1493 | if (X11_IsWindowMapped(_this, window)) { |
1494 | XEvent e; |
1495 | |
1496 | SDL_zero(e); |
1497 | e.xany.type = ClientMessage; |
1498 | e.xclient.message_type = _NET_WM_STATE; |
1499 | e.xclient.format = 32; |
1500 | e.xclient.window = data->xwindow; |
1501 | e.xclient.data.l[0] = |
1502 | on_top ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; |
1503 | e.xclient.data.l[1] = _NET_WM_STATE_ABOVE; |
1504 | e.xclient.data.l[3] = 0l; |
1505 | |
1506 | X11_XSendEvent(display, RootWindow(display, displaydata->screen), 0, |
1507 | SubstructureNotifyMask | SubstructureRedirectMask, &e); |
1508 | } else { |
1509 | X11_SetNetWMState(_this, data->xwindow, window->flags); |
1510 | } |
1511 | X11_XFlush(display); |
1512 | } |
1513 | |
1514 | void X11_ShowWindow(SDL_VideoDevice *_this, SDL_Window *window) |
1515 | { |
1516 | SDL_WindowData *data = window->internal; |
1517 | Display *display = data->videodata->display; |
1518 | bool bActivate = SDL_GetHintBoolean(SDL_HINT_WINDOW_ACTIVATE_WHEN_SHOWN, true); |
1519 | bool position_is_absolute = false; |
1520 | bool set_position = false; |
1521 | XEvent event; |
1522 | |
1523 | if (SDL_WINDOW_IS_POPUP(window)) { |
1524 | // Update the position in case the parent moved while we were hidden |
1525 | X11_ConstrainPopup(window, true); |
1526 | data->pending_position = true; |
1527 | |
1528 | // Coordinates after X11_ConstrainPopup() are already in the global space. |
1529 | position_is_absolute = true; |
1530 | set_position = true; |
1531 | } |
1532 | |
1533 | /* Whether XMapRaised focuses the window is based on the window type and it is |
1534 | * wm specific. There isn't much we can do here */ |
1535 | (void)bActivate; |
1536 | |
1537 | if (!X11_IsWindowMapped(_this, window)) { |
1538 | X11_XMapRaised(display, data->xwindow); |
1539 | /* Blocking wait for "MapNotify" event. |
1540 | * We use X11_XIfEvent because pXWindowEvent takes a mask rather than a type, |
1541 | * and XCheckTypedWindowEvent doesn't block */ |
1542 | if (!(window->flags & SDL_WINDOW_EXTERNAL) && X11_IsDisplayOk(display)) { |
1543 | X11_XIfEvent(display, &event, &isMapNotify, (XPointer)&data->xwindow); |
1544 | } |
1545 | X11_XFlush(display); |
1546 | set_position = data->pending_position || |
1547 | (!(window->flags & SDL_WINDOW_BORDERLESS) && !window->undefined_x && !window->undefined_y); |
1548 | } |
1549 | |
1550 | if (!data->videodata->net_wm) { |
1551 | // no WM means no FocusIn event, which confuses us. Force it. |
1552 | X11_XSync(display, False); |
1553 | X11_XSetInputFocus(display, data->xwindow, RevertToNone, CurrentTime); |
1554 | X11_XFlush(display); |
1555 | } |
1556 | |
1557 | // Popup menus grab the keyboard |
1558 | if (window->flags & SDL_WINDOW_POPUP_MENU) { |
1559 | X11_SetKeyboardFocus(window, window->parent == SDL_GetKeyboardFocus()); |
1560 | } |
1561 | |
1562 | // Get some valid border values, if we haven't received them yet |
1563 | if (data->border_left == 0 && data->border_right == 0 && data->border_top == 0 && data->border_bottom == 0) { |
1564 | X11_GetBorderValues(data); |
1565 | } |
1566 | |
1567 | if (set_position) { |
1568 | // Apply the window position, accounting for offsets due to the borders appearing. |
1569 | const int tx = data->pending_position ? window->pending.x : window->x; |
1570 | const int ty = data->pending_position ? window->pending.y : window->y; |
1571 | int x, y; |
1572 | if (position_is_absolute) { |
1573 | x = tx; |
1574 | y = ty; |
1575 | } else { |
1576 | SDL_RelativeToGlobalForWindow(window, |
1577 | tx - data->border_left, ty - data->border_top, |
1578 | &x, &y); |
1579 | } |
1580 | data->pending_position = false; |
1581 | X11_XMoveWindow(display, data->xwindow, x, y); |
1582 | } |
1583 | |
1584 | /* Some window managers can send garbage coordinates while mapping the window, so don't emit size and position |
1585 | * events during the initial configure events. |
1586 | */ |
1587 | data->size_move_event_flags = X11_SIZE_MOVE_EVENTS_DISABLE; |
1588 | X11_XSync(display, False); |
1589 | X11_PumpEvents(_this); |
1590 | data->size_move_event_flags = 0; |
1591 | |
1592 | // If a configure event was received (type is non-zero), send the final window size and coordinates. |
1593 | if (data->last_xconfigure.type) { |
1594 | int x, y; |
1595 | SDL_GlobalToRelativeForWindow(data->window, data->last_xconfigure.x, data->last_xconfigure.y, &x, &y); |
1596 | SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_RESIZED, data->last_xconfigure.width, data->last_xconfigure.height); |
1597 | SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_MOVED, x, y); |
1598 | } |
1599 | } |
1600 | |
1601 | void X11_HideWindow(SDL_VideoDevice *_this, SDL_Window *window) |
1602 | { |
1603 | SDL_WindowData *data = window->internal; |
1604 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
1605 | int screen = (displaydata ? displaydata->screen : 0); |
1606 | Display *display = data->videodata->display; |
1607 | XEvent event; |
1608 | |
1609 | if (X11_IsWindowMapped(_this, window)) { |
1610 | X11_XWithdrawWindow(display, data->xwindow, screen); |
1611 | // Blocking wait for "UnmapNotify" event |
1612 | if (!(window->flags & SDL_WINDOW_EXTERNAL) && X11_IsDisplayOk(display)) { |
1613 | X11_XIfEvent(display, &event, &isUnmapNotify, (XPointer)&data->xwindow); |
1614 | } |
1615 | X11_XFlush(display); |
1616 | } |
1617 | |
1618 | // Transfer keyboard focus back to the parent |
1619 | if (window->flags & SDL_WINDOW_POPUP_MENU) { |
1620 | SDL_Window *new_focus = window->parent; |
1621 | bool set_focus = window == SDL_GetKeyboardFocus(); |
1622 | |
1623 | // Find the highest level window, up to the toplevel parent, that isn't being hidden or destroyed. |
1624 | while (SDL_WINDOW_IS_POPUP(new_focus) && (new_focus->is_hiding || new_focus->is_destroying)) { |
1625 | new_focus = new_focus->parent; |
1626 | |
1627 | // If some window in the chain currently had focus, set it to the new lowest-level window. |
1628 | if (!set_focus) { |
1629 | set_focus = new_focus == SDL_GetKeyboardFocus(); |
1630 | } |
1631 | } |
1632 | |
1633 | X11_SetKeyboardFocus(new_focus, set_focus); |
1634 | } |
1635 | |
1636 | X11_XSync(display, False); |
1637 | X11_PumpEvents(_this); |
1638 | } |
1639 | |
1640 | static bool X11_SetWindowActive(SDL_VideoDevice *_this, SDL_Window *window) |
1641 | { |
1642 | CHECK_WINDOW_DATA(window); |
1643 | |
1644 | SDL_WindowData *data = window->internal; |
1645 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
1646 | Display *display = data->videodata->display; |
1647 | Atom _NET_ACTIVE_WINDOW = data->videodata->atoms._NET_ACTIVE_WINDOW; |
1648 | |
1649 | if (X11_IsWindowMapped(_this, window)) { |
1650 | XEvent e; |
1651 | |
1652 | // printf("SDL Window %p: sending _NET_ACTIVE_WINDOW with timestamp %lu\n", window, data->user_time); |
1653 | |
1654 | SDL_zero(e); |
1655 | e.xany.type = ClientMessage; |
1656 | e.xclient.message_type = _NET_ACTIVE_WINDOW; |
1657 | e.xclient.format = 32; |
1658 | e.xclient.window = data->xwindow; |
1659 | e.xclient.data.l[0] = 1; // source indication. 1 = application |
1660 | e.xclient.data.l[1] = data->user_time; |
1661 | e.xclient.data.l[2] = 0; |
1662 | |
1663 | X11_XSendEvent(display, RootWindow(display, displaydata->screen), 0, |
1664 | SubstructureNotifyMask | SubstructureRedirectMask, &e); |
1665 | |
1666 | X11_XFlush(display); |
1667 | } |
1668 | return true; |
1669 | } |
1670 | |
1671 | void X11_RaiseWindow(SDL_VideoDevice *_this, SDL_Window *window) |
1672 | { |
1673 | SDL_WindowData *data = window->internal; |
1674 | Display *display = data->videodata->display; |
1675 | bool bActivate = SDL_GetHintBoolean(SDL_HINT_WINDOW_ACTIVATE_WHEN_RAISED, true); |
1676 | |
1677 | X11_XRaiseWindow(display, data->xwindow); |
1678 | if (bActivate) { |
1679 | X11_SetWindowActive(_this, window); |
1680 | } |
1681 | X11_XFlush(display); |
1682 | } |
1683 | |
1684 | static bool X11_SetWindowMaximized(SDL_VideoDevice *_this, SDL_Window *window, bool maximized) |
1685 | { |
1686 | CHECK_WINDOW_DATA(window); |
1687 | |
1688 | SDL_WindowData *data = window->internal; |
1689 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
1690 | Display *display = data->videodata->display; |
1691 | Atom _NET_WM_STATE = data->videodata->atoms._NET_WM_STATE; |
1692 | Atom _NET_WM_STATE_MAXIMIZED_VERT = data->videodata->atoms._NET_WM_STATE_MAXIMIZED_VERT; |
1693 | Atom _NET_WM_STATE_MAXIMIZED_HORZ = data->videodata->atoms._NET_WM_STATE_MAXIMIZED_HORZ; |
1694 | |
1695 | if (window->flags & SDL_WINDOW_FULLSCREEN) { |
1696 | /* Fullscreen windows are maximized on some window managers, |
1697 | and this is functional behavior, so don't remove that state |
1698 | now, we'll take care of it when we leave fullscreen mode. |
1699 | */ |
1700 | return true; |
1701 | } |
1702 | |
1703 | if (X11_IsWindowMapped(_this, window)) { |
1704 | XEvent e; |
1705 | |
1706 | SDL_zero(e); |
1707 | e.xany.type = ClientMessage; |
1708 | e.xclient.message_type = _NET_WM_STATE; |
1709 | e.xclient.format = 32; |
1710 | e.xclient.window = data->xwindow; |
1711 | e.xclient.data.l[0] = |
1712 | maximized ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; |
1713 | e.xclient.data.l[1] = _NET_WM_STATE_MAXIMIZED_VERT; |
1714 | e.xclient.data.l[2] = _NET_WM_STATE_MAXIMIZED_HORZ; |
1715 | e.xclient.data.l[3] = 0l; |
1716 | |
1717 | if (maximized) { |
1718 | SDL_DisplayID displayID = SDL_GetDisplayForWindow(window); |
1719 | SDL_Rect bounds; |
1720 | |
1721 | SDL_zero(bounds); |
1722 | SDL_GetDisplayUsableBounds(displayID, &bounds); |
1723 | |
1724 | data->expected.x = bounds.x + data->border_left; |
1725 | data->expected.y = bounds.y + data->border_top; |
1726 | data->expected.w = bounds.w - (data->border_left + data->border_right); |
1727 | data->expected.h = bounds.h - (data->border_top + data->border_bottom); |
1728 | } else { |
1729 | data->expected.x = window->floating.x; |
1730 | data->expected.y = window->floating.y; |
1731 | data->expected.w = window->floating.w; |
1732 | data->expected.h = window->floating.h; |
1733 | } |
1734 | |
1735 | X11_XSendEvent(display, RootWindow(display, displaydata->screen), 0, |
1736 | SubstructureNotifyMask | SubstructureRedirectMask, &e); |
1737 | } else { |
1738 | X11_SetNetWMState(_this, data->xwindow, window->flags); |
1739 | } |
1740 | X11_XFlush(display); |
1741 | |
1742 | return true; |
1743 | } |
1744 | |
1745 | void X11_MaximizeWindow(SDL_VideoDevice *_this, SDL_Window *window) |
1746 | { |
1747 | if (window->internal->pending_operation & (X11_PENDING_OP_FULLSCREEN | X11_PENDING_OP_MINIMIZE)) { |
1748 | SDL_SyncWindow(window); |
1749 | } |
1750 | |
1751 | if (window->flags & SDL_WINDOW_FULLSCREEN) { |
1752 | // If fullscreen, just toggle the restored state. |
1753 | window->internal->window_was_maximized = true; |
1754 | return; |
1755 | } |
1756 | |
1757 | if (!(window->flags & SDL_WINDOW_MINIMIZED)) { |
1758 | window->internal->pending_operation |= X11_PENDING_OP_MAXIMIZE; |
1759 | X11_SetWindowMaximized(_this, window, true); |
1760 | } |
1761 | } |
1762 | |
1763 | void X11_MinimizeWindow(SDL_VideoDevice *_this, SDL_Window *window) |
1764 | { |
1765 | SDL_WindowData *data = window->internal; |
1766 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
1767 | Display *display = data->videodata->display; |
1768 | |
1769 | if (data->pending_operation & SDL_WINDOW_FULLSCREEN) { |
1770 | SDL_SyncWindow(window); |
1771 | } |
1772 | |
1773 | data->pending_operation |= X11_PENDING_OP_MINIMIZE; |
1774 | if (!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1775 | data->window_was_maximized = !!(window->flags & SDL_WINDOW_MAXIMIZED); |
1776 | } |
1777 | X11_XIconifyWindow(display, data->xwindow, displaydata->screen); |
1778 | X11_XFlush(display); |
1779 | } |
1780 | |
1781 | void X11_RestoreWindow(SDL_VideoDevice *_this, SDL_Window *window) |
1782 | { |
1783 | if (window->internal->pending_operation & (X11_PENDING_OP_FULLSCREEN | X11_PENDING_OP_MAXIMIZE | X11_PENDING_OP_MINIMIZE)) { |
1784 | SDL_SyncWindow(window); |
1785 | } |
1786 | |
1787 | if ((window->flags & SDL_WINDOW_FULLSCREEN) && !(window->flags & SDL_WINDOW_MINIMIZED)) { |
1788 | // If fullscreen and not minimized, just toggle the restored state. |
1789 | window->internal->window_was_maximized = false; |
1790 | return; |
1791 | } |
1792 | |
1793 | if (window->flags & (SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED) || |
1794 | (window->internal->pending_operation & X11_PENDING_OP_MINIMIZE)) { |
1795 | window->internal->pending_operation |= X11_PENDING_OP_RESTORE; |
1796 | } |
1797 | |
1798 | // If the window was minimized while maximized, restore as maximized. |
1799 | const bool maximize = !!(window->flags & SDL_WINDOW_MINIMIZED) && window->internal->window_was_maximized; |
1800 | X11_SetWindowMaximized(_this, window, maximize); |
1801 | X11_ShowWindow(_this, window); |
1802 | X11_SetWindowActive(_this, window); |
1803 | } |
1804 | |
1805 | // This asks the Window Manager to handle fullscreen for us. This is the modern way. |
1806 | static SDL_FullscreenResult X11_SetWindowFullscreenViaWM(SDL_VideoDevice *_this, SDL_Window *window, SDL_VideoDisplay *_display, SDL_FullscreenOp fullscreen) |
1807 | { |
1808 | CHECK_WINDOW_DATA(window); |
1809 | CHECK_DISPLAY_DATA(_display); |
1810 | |
1811 | SDL_WindowData *data = window->internal; |
1812 | SDL_DisplayData *displaydata = _display->internal; |
1813 | Display *display = data->videodata->display; |
1814 | Atom _NET_WM_STATE = data->videodata->atoms._NET_WM_STATE; |
1815 | Atom _NET_WM_STATE_FULLSCREEN = data->videodata->atoms._NET_WM_STATE_FULLSCREEN; |
1816 | |
1817 | if (X11_IsWindowMapped(_this, window)) { |
1818 | XEvent e; |
1819 | |
1820 | // Flush any pending fullscreen events. |
1821 | if (data->pending_operation & (X11_PENDING_OP_FULLSCREEN | X11_PENDING_OP_MAXIMIZE | X11_PENDING_OP_MOVE)) { |
1822 | X11_SyncWindow(_this, window); |
1823 | } |
1824 | |
1825 | if (!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1826 | if (fullscreen == SDL_FULLSCREEN_OP_UPDATE) { |
1827 | // Request was out of date; set -1 to signal the video core to undo a mode switch. |
1828 | return SDL_FULLSCREEN_FAILED; |
1829 | } else if (fullscreen == SDL_FULLSCREEN_OP_LEAVE) { |
1830 | // Nothing to do. |
1831 | return SDL_FULLSCREEN_SUCCEEDED; |
1832 | } |
1833 | } |
1834 | |
1835 | if (fullscreen && !(window->flags & SDL_WINDOW_RESIZABLE)) { |
1836 | /* Compiz refuses fullscreen toggle if we're not resizable, so update the hints so we |
1837 | can be resized to the fullscreen resolution (or reset so we're not resizable again) */ |
1838 | XSizeHints *sizehints = X11_XAllocSizeHints(); |
1839 | long flags = 0; |
1840 | X11_XGetWMNormalHints(display, data->xwindow, sizehints, &flags); |
1841 | // we are going fullscreen so turn the flags off |
1842 | sizehints->flags &= ~(PMinSize | PMaxSize | PAspect); |
1843 | X11_XSetWMNormalHints(display, data->xwindow, sizehints); |
1844 | X11_XFree(sizehints); |
1845 | } |
1846 | |
1847 | SDL_zero(e); |
1848 | e.xany.type = ClientMessage; |
1849 | e.xclient.message_type = _NET_WM_STATE; |
1850 | e.xclient.format = 32; |
1851 | e.xclient.window = data->xwindow; |
1852 | e.xclient.data.l[0] = |
1853 | fullscreen ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; |
1854 | e.xclient.data.l[1] = _NET_WM_STATE_FULLSCREEN; |
1855 | e.xclient.data.l[3] = 0l; |
1856 | |
1857 | X11_XSendEvent(display, RootWindow(display, displaydata->screen), 0, |
1858 | SubstructureNotifyMask | SubstructureRedirectMask, &e); |
1859 | |
1860 | if (!!(window->flags & SDL_WINDOW_FULLSCREEN) != fullscreen) { |
1861 | data->pending_operation |= X11_PENDING_OP_FULLSCREEN; |
1862 | } |
1863 | |
1864 | // Set the position so the window will be on the target display |
1865 | if (fullscreen) { |
1866 | SDL_DisplayID current = SDL_GetDisplayForWindowPosition(window); |
1867 | SDL_copyp(&data->requested_fullscreen_mode, &window->current_fullscreen_mode); |
1868 | if (fullscreen != !!(window->flags & SDL_WINDOW_FULLSCREEN)) { |
1869 | data->window_was_maximized = !!(window->flags & SDL_WINDOW_MAXIMIZED); |
1870 | } |
1871 | data->expected.x = displaydata->x; |
1872 | data->expected.y = displaydata->y; |
1873 | data->expected.w = _display->current_mode->w; |
1874 | data->expected.h = _display->current_mode->h; |
1875 | |
1876 | // Only move the window if it isn't fullscreen or already on the target display. |
1877 | if (!(window->flags & SDL_WINDOW_FULLSCREEN) || (!current || current != _display->id)) { |
1878 | X11_XMoveWindow(display, data->xwindow, displaydata->x, displaydata->y); |
1879 | data->pending_operation |= X11_PENDING_OP_MOVE; |
1880 | } |
1881 | } else { |
1882 | SDL_zero(data->requested_fullscreen_mode); |
1883 | |
1884 | /* Fullscreen windows sometimes end up being marked maximized by |
1885 | * window managers. Force it back to how we expect it to be. |
1886 | */ |
1887 | SDL_zero(e); |
1888 | e.xany.type = ClientMessage; |
1889 | e.xclient.message_type = _NET_WM_STATE; |
1890 | e.xclient.format = 32; |
1891 | e.xclient.window = data->xwindow; |
1892 | if (data->window_was_maximized) { |
1893 | e.xclient.data.l[0] = _NET_WM_STATE_ADD; |
1894 | } else { |
1895 | e.xclient.data.l[0] = _NET_WM_STATE_REMOVE; |
1896 | } |
1897 | e.xclient.data.l[1] = data->videodata->atoms._NET_WM_STATE_MAXIMIZED_VERT; |
1898 | e.xclient.data.l[2] = data->videodata->atoms._NET_WM_STATE_MAXIMIZED_HORZ; |
1899 | e.xclient.data.l[3] = 0l; |
1900 | X11_XSendEvent(display, RootWindow(display, displaydata->screen), 0, |
1901 | SubstructureNotifyMask | SubstructureRedirectMask, &e); |
1902 | } |
1903 | } else { |
1904 | SDL_WindowFlags flags; |
1905 | |
1906 | flags = window->flags; |
1907 | if (fullscreen) { |
1908 | flags |= SDL_WINDOW_FULLSCREEN; |
1909 | } else { |
1910 | flags &= ~SDL_WINDOW_FULLSCREEN; |
1911 | } |
1912 | X11_SetNetWMState(_this, data->xwindow, flags); |
1913 | } |
1914 | |
1915 | if (data->visual->class == DirectColor) { |
1916 | if (fullscreen) { |
1917 | X11_XInstallColormap(display, data->colormap); |
1918 | } else { |
1919 | X11_XUninstallColormap(display, data->colormap); |
1920 | } |
1921 | } |
1922 | |
1923 | return SDL_FULLSCREEN_PENDING; |
1924 | } |
1925 | |
1926 | SDL_FullscreenResult X11_SetWindowFullscreen(SDL_VideoDevice *_this, SDL_Window *window, SDL_VideoDisplay *_display, SDL_FullscreenOp fullscreen) |
1927 | { |
1928 | return X11_SetWindowFullscreenViaWM(_this, window, _display, fullscreen); |
1929 | } |
1930 | |
1931 | typedef struct |
1932 | { |
1933 | unsigned char *data; |
1934 | int format, count; |
1935 | Atom type; |
1936 | } SDL_x11Prop; |
1937 | |
1938 | /* Reads property |
1939 | Must call X11_XFree on results |
1940 | */ |
1941 | static void X11_ReadProperty(SDL_x11Prop *p, Display *disp, Window w, Atom prop) |
1942 | { |
1943 | unsigned char *ret = NULL; |
1944 | Atom type; |
1945 | int fmt; |
1946 | unsigned long count; |
1947 | unsigned long bytes_left; |
1948 | int bytes_fetch = 0; |
1949 | |
1950 | do { |
1951 | if (ret) { |
1952 | X11_XFree(ret); |
1953 | } |
1954 | X11_XGetWindowProperty(disp, w, prop, 0, bytes_fetch, False, AnyPropertyType, &type, &fmt, &count, &bytes_left, &ret); |
1955 | bytes_fetch += bytes_left; |
1956 | } while (bytes_left != 0); |
1957 | |
1958 | p->data = ret; |
1959 | p->format = fmt; |
1960 | p->count = count; |
1961 | p->type = type; |
1962 | } |
1963 | |
1964 | void *X11_GetWindowICCProfile(SDL_VideoDevice *_this, SDL_Window *window, size_t *size) |
1965 | { |
1966 | SDL_WindowData *data = window->internal; |
1967 | Display *display = data->videodata->display; |
1968 | XWindowAttributes attributes; |
1969 | Atom icc_profile_atom; |
1970 | char icc_atom_string[sizeof("_ICC_PROFILE_" ) + 12]; |
1971 | void *ret_icc_profile_data = NULL; |
1972 | CARD8 *icc_profile_data; |
1973 | int real_format; |
1974 | unsigned long real_nitems; |
1975 | SDL_x11Prop atomProp; |
1976 | |
1977 | X11_XGetWindowAttributes(display, data->xwindow, &attributes); |
1978 | if (X11_XScreenNumberOfScreen(attributes.screen) > 0) { |
1979 | (void)SDL_snprintf(icc_atom_string, sizeof("_ICC_PROFILE_" ) + 12, "%s%d" , "_ICC_PROFILE_" , X11_XScreenNumberOfScreen(attributes.screen)); |
1980 | } else { |
1981 | SDL_strlcpy(icc_atom_string, "_ICC_PROFILE" , sizeof("_ICC_PROFILE" )); |
1982 | } |
1983 | X11_XGetWindowAttributes(display, RootWindowOfScreen(attributes.screen), &attributes); |
1984 | |
1985 | icc_profile_atom = X11_XInternAtom(display, icc_atom_string, True); |
1986 | if (icc_profile_atom == None) { |
1987 | SDL_SetError("Screen is not calibrated." ); |
1988 | return NULL; |
1989 | } |
1990 | |
1991 | X11_ReadProperty(&atomProp, display, RootWindowOfScreen(attributes.screen), icc_profile_atom); |
1992 | real_format = atomProp.format; |
1993 | real_nitems = atomProp.count; |
1994 | icc_profile_data = atomProp.data; |
1995 | if (real_format == None) { |
1996 | SDL_SetError("Screen is not calibrated." ); |
1997 | return NULL; |
1998 | } |
1999 | |
2000 | ret_icc_profile_data = SDL_malloc(real_nitems); |
2001 | if (!ret_icc_profile_data) { |
2002 | return NULL; |
2003 | } |
2004 | |
2005 | SDL_memcpy(ret_icc_profile_data, icc_profile_data, real_nitems); |
2006 | *size = real_nitems; |
2007 | X11_XFree(icc_profile_data); |
2008 | |
2009 | return ret_icc_profile_data; |
2010 | } |
2011 | |
2012 | bool X11_SetWindowMouseGrab(SDL_VideoDevice *_this, SDL_Window *window, bool grabbed) |
2013 | { |
2014 | SDL_WindowData *data = window->internal; |
2015 | Display *display; |
2016 | |
2017 | if (!data) { |
2018 | return SDL_SetError("Invalid window data" ); |
2019 | } |
2020 | data->mouse_grabbed = false; |
2021 | |
2022 | display = data->videodata->display; |
2023 | |
2024 | if (grabbed) { |
2025 | /* If the window is unmapped, XGrab calls return GrabNotViewable, |
2026 | so when we get a MapNotify later, we'll try to update the grab as |
2027 | appropriate. */ |
2028 | if (window->flags & SDL_WINDOW_HIDDEN) { |
2029 | return true; |
2030 | } |
2031 | |
2032 | /* If XInput2 is enabled, it will grab the pointer on button presses, |
2033 | * which results in XGrabPointer returning AlreadyGrabbed. If buttons |
2034 | * are currently pressed, clear any existing grabs before attempting |
2035 | * the confinement grab. |
2036 | */ |
2037 | if (data->xinput2_mouse_enabled && SDL_GetMouseState(NULL, NULL)) { |
2038 | X11_XUngrabPointer(display, CurrentTime); |
2039 | } |
2040 | |
2041 | // Try to grab the mouse |
2042 | if (!data->videodata->broken_pointer_grab) { |
2043 | const unsigned int mask = ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask; |
2044 | int attempts; |
2045 | int result = 0; |
2046 | |
2047 | // Try for up to 5000ms (5s) to grab. If it still fails, stop trying. |
2048 | for (attempts = 0; attempts < 100; attempts++) { |
2049 | result = X11_XGrabPointer(display, data->xwindow, False, mask, GrabModeAsync, |
2050 | GrabModeAsync, data->xwindow, None, CurrentTime); |
2051 | if (result == GrabSuccess) { |
2052 | data->mouse_grabbed = true; |
2053 | break; |
2054 | } |
2055 | SDL_Delay(50); |
2056 | } |
2057 | |
2058 | if (result != GrabSuccess) { |
2059 | data->videodata->broken_pointer_grab = true; // don't try again. |
2060 | } |
2061 | } |
2062 | |
2063 | X11_Xinput2GrabTouch(_this, window); |
2064 | |
2065 | // Raise the window if we grab the mouse |
2066 | X11_XRaiseWindow(display, data->xwindow); |
2067 | } else { |
2068 | X11_XUngrabPointer(display, CurrentTime); |
2069 | |
2070 | X11_Xinput2UngrabTouch(_this, window); |
2071 | } |
2072 | X11_XSync(display, False); |
2073 | |
2074 | if (!data->videodata->broken_pointer_grab) { |
2075 | return true; |
2076 | } else { |
2077 | return SDL_SetError("The X server refused to let us grab the mouse. You might experience input bugs." ); |
2078 | } |
2079 | } |
2080 | |
2081 | bool X11_SetWindowKeyboardGrab(SDL_VideoDevice *_this, SDL_Window *window, bool grabbed) |
2082 | { |
2083 | SDL_WindowData *data = window->internal; |
2084 | Display *display; |
2085 | |
2086 | if (!data) { |
2087 | return SDL_SetError("Invalid window data" ); |
2088 | } |
2089 | |
2090 | display = data->videodata->display; |
2091 | |
2092 | if (grabbed) { |
2093 | /* If the window is unmapped, XGrab calls return GrabNotViewable, |
2094 | so when we get a MapNotify later, we'll try to update the grab as |
2095 | appropriate. */ |
2096 | if (window->flags & SDL_WINDOW_HIDDEN) { |
2097 | return true; |
2098 | } |
2099 | |
2100 | X11_XGrabKeyboard(display, data->xwindow, True, GrabModeAsync, |
2101 | GrabModeAsync, CurrentTime); |
2102 | } else { |
2103 | X11_XUngrabKeyboard(display, CurrentTime); |
2104 | } |
2105 | X11_XSync(display, False); |
2106 | |
2107 | return true; |
2108 | } |
2109 | |
2110 | void X11_DestroyWindow(SDL_VideoDevice *_this, SDL_Window *window) |
2111 | { |
2112 | SDL_WindowData *data = window->internal; |
2113 | |
2114 | if (data) { |
2115 | SDL_VideoData *videodata = data->videodata; |
2116 | Display *display = videodata->display; |
2117 | int numwindows = videodata->numwindows; |
2118 | SDL_WindowData **windowlist = videodata->windowlist; |
2119 | int i; |
2120 | |
2121 | if (windowlist) { |
2122 | for (i = 0; i < numwindows; ++i) { |
2123 | if (windowlist[i] && (windowlist[i]->window == window)) { |
2124 | windowlist[i] = windowlist[numwindows - 1]; |
2125 | windowlist[numwindows - 1] = NULL; |
2126 | videodata->numwindows--; |
2127 | break; |
2128 | } |
2129 | } |
2130 | } |
2131 | #ifdef X_HAVE_UTF8_STRING |
2132 | if (data->ic) { |
2133 | X11_XDestroyIC(data->ic); |
2134 | SDL_free(data->preedit_text); |
2135 | SDL_free(data->preedit_feedback); |
2136 | } |
2137 | #endif |
2138 | |
2139 | #ifdef SDL_VIDEO_DRIVER_X11_XSYNC |
2140 | X11_TermResizeSync(window); |
2141 | #endif /* SDL_VIDEO_DRIVER_X11_XSYNC */ |
2142 | |
2143 | if (!(window->flags & SDL_WINDOW_EXTERNAL)) { |
2144 | X11_XDestroyWindow(display, data->xwindow); |
2145 | X11_XFlush(display); |
2146 | } |
2147 | SDL_free(data); |
2148 | |
2149 | #ifdef SDL_VIDEO_DRIVER_X11_XFIXES |
2150 | // If the pointer barriers are active for this, deactivate it. |
2151 | if (videodata->active_cursor_confined_window == window) { |
2152 | X11_DestroyPointerBarrier(_this, window); |
2153 | } |
2154 | #endif // SDL_VIDEO_DRIVER_X11_XFIXES |
2155 | } |
2156 | window->internal = NULL; |
2157 | } |
2158 | |
2159 | bool X11_SetWindowHitTest(SDL_Window *window, bool enabled) |
2160 | { |
2161 | return true; // just succeed, the real work is done elsewhere. |
2162 | } |
2163 | |
2164 | void X11_AcceptDragAndDrop(SDL_Window *window, bool accept) |
2165 | { |
2166 | SDL_WindowData *data = window->internal; |
2167 | Display *display = data->videodata->display; |
2168 | Atom XdndAware = data->videodata->atoms.XdndAware; |
2169 | |
2170 | if (accept) { |
2171 | Atom xdnd_version = 5; |
2172 | X11_XChangeProperty(display, data->xwindow, XdndAware, XA_ATOM, 32, |
2173 | PropModeReplace, (unsigned char *)&xdnd_version, 1); |
2174 | } else { |
2175 | X11_XDeleteProperty(display, data->xwindow, XdndAware); |
2176 | } |
2177 | } |
2178 | |
2179 | bool X11_FlashWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_FlashOperation operation) |
2180 | { |
2181 | SDL_WindowData *data = window->internal; |
2182 | Display *display = data->videodata->display; |
2183 | XWMHints *wmhints; |
2184 | |
2185 | wmhints = X11_XGetWMHints(display, data->xwindow); |
2186 | if (!wmhints) { |
2187 | return SDL_SetError("Couldn't get WM hints" ); |
2188 | } |
2189 | |
2190 | wmhints->flags &= ~XUrgencyHint; |
2191 | data->flashing_window = false; |
2192 | data->flash_cancel_time = 0; |
2193 | |
2194 | switch (operation) { |
2195 | case SDL_FLASH_CANCEL: |
2196 | // Taken care of above |
2197 | break; |
2198 | case SDL_FLASH_BRIEFLY: |
2199 | if (!(window->flags & SDL_WINDOW_INPUT_FOCUS)) { |
2200 | wmhints->flags |= XUrgencyHint; |
2201 | data->flashing_window = true; |
2202 | // On Ubuntu 21.04 this causes a dialog to pop up, so leave it up for a full second so users can see it |
2203 | data->flash_cancel_time = SDL_GetTicks() + 1000; |
2204 | } |
2205 | break; |
2206 | case SDL_FLASH_UNTIL_FOCUSED: |
2207 | if (!(window->flags & SDL_WINDOW_INPUT_FOCUS)) { |
2208 | wmhints->flags |= XUrgencyHint; |
2209 | data->flashing_window = true; |
2210 | } |
2211 | break; |
2212 | default: |
2213 | break; |
2214 | } |
2215 | |
2216 | X11_XSetWMHints(display, data->xwindow, wmhints); |
2217 | X11_XFree(wmhints); |
2218 | return true; |
2219 | } |
2220 | |
2221 | bool SDL_X11_SetWindowTitle(Display *display, Window xwindow, char *title) |
2222 | { |
2223 | Atom _NET_WM_NAME = X11_XInternAtom(display, "_NET_WM_NAME" , False); |
2224 | XTextProperty titleprop; |
2225 | int conv = X11_XmbTextListToTextProperty(display, &title, 1, XTextStyle, &titleprop); |
2226 | Status status; |
2227 | |
2228 | if (X11_XSupportsLocale() != True) { |
2229 | return SDL_SetError("Current locale not supported by X server, cannot continue." ); |
2230 | } |
2231 | |
2232 | if (conv == 0) { |
2233 | X11_XSetTextProperty(display, xwindow, &titleprop, XA_WM_NAME); |
2234 | X11_XFree(titleprop.value); |
2235 | // we know this can't be a locale error as we checked X locale validity |
2236 | } else if (conv < 0) { |
2237 | return SDL_OutOfMemory(); |
2238 | } else { // conv > 0 |
2239 | SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "%d characters were not convertible to the current locale!" , conv); |
2240 | return true; |
2241 | } |
2242 | |
2243 | #ifdef X_HAVE_UTF8_STRING |
2244 | status = X11_Xutf8TextListToTextProperty(display, &title, 1, XUTF8StringStyle, &titleprop); |
2245 | if (status == Success) { |
2246 | X11_XSetTextProperty(display, xwindow, &titleprop, _NET_WM_NAME); |
2247 | X11_XFree(titleprop.value); |
2248 | } else { |
2249 | return SDL_SetError("Failed to convert title to UTF8! Bad encoding, or bad Xorg encoding? Window title: «%s»" , title); |
2250 | } |
2251 | #endif |
2252 | |
2253 | X11_XFlush(display); |
2254 | return true; |
2255 | } |
2256 | |
2257 | void (SDL_Window *window, int x, int y) |
2258 | { |
2259 | SDL_WindowData *data = window->internal; |
2260 | SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(window); |
2261 | Display *display = data->videodata->display; |
2262 | Window root = RootWindow(display, displaydata->screen); |
2263 | XClientMessageEvent e; |
2264 | Window childReturn; |
2265 | int wx, wy; |
2266 | |
2267 | SDL_zero(e); |
2268 | X11_XTranslateCoordinates(display, data->xwindow, root, x, y, &wx, &wy, &childReturn); |
2269 | |
2270 | e.type = ClientMessage; |
2271 | e.window = data->xwindow; |
2272 | e.message_type = X11_XInternAtom(display, "_GTK_SHOW_WINDOW_MENU" , 0); |
2273 | e.data.l[0] = 0; // GTK device ID (unused) |
2274 | e.data.l[1] = wx; // X coordinate relative to root |
2275 | e.data.l[2] = wy; // Y coordinate relative to root |
2276 | e.format = 32; |
2277 | |
2278 | X11_XSendEvent(display, root, False, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent *)&e); |
2279 | X11_XFlush(display); |
2280 | } |
2281 | |
2282 | bool X11_SyncWindow(SDL_VideoDevice *_this, SDL_Window *window) |
2283 | { |
2284 | SDL_WindowData *data = window->internal; |
2285 | |
2286 | // If the window is external and has only a pending resize or move event, use the special external sync path to avoid processing events. |
2287 | if ((window->flags & SDL_WINDOW_EXTERNAL) && |
2288 | (data->pending_operation & ~(X11_PENDING_OP_RESIZE | X11_PENDING_OP_MOVE)) == X11_PENDING_OP_NONE) { |
2289 | X11_ExternalResizeMoveSync(window); |
2290 | return true; |
2291 | } |
2292 | |
2293 | const Uint64 current_time = SDL_GetTicksNS(); |
2294 | Uint64 timeout = 0; |
2295 | |
2296 | // Allow time for any pending mode switches to complete. |
2297 | for (int i = 0; i < _this->num_displays; ++i) { |
2298 | if (_this->displays[i]->internal->mode_switch_deadline_ns && |
2299 | current_time < _this->displays[i]->internal->mode_switch_deadline_ns) { |
2300 | timeout = SDL_max(_this->displays[i]->internal->mode_switch_deadline_ns - current_time, timeout); |
2301 | } |
2302 | } |
2303 | |
2304 | /* 100ms is fine for most cases, but, for some reason, maximizing |
2305 | * a window can take a very long time. |
2306 | */ |
2307 | timeout += window->internal->pending_operation & X11_PENDING_OP_MAXIMIZE ? SDL_MS_TO_NS(1000) : SDL_MS_TO_NS(100); |
2308 | |
2309 | return X11_SyncWindowTimeout(_this, window, timeout); |
2310 | } |
2311 | |
2312 | bool X11_SetWindowFocusable(SDL_VideoDevice *_this, SDL_Window *window, bool focusable) |
2313 | { |
2314 | SDL_WindowData *data = window->internal; |
2315 | Display *display = data->videodata->display; |
2316 | XWMHints *wmhints; |
2317 | |
2318 | wmhints = X11_XGetWMHints(display, data->xwindow); |
2319 | if (!wmhints) { |
2320 | return SDL_SetError("Couldn't get WM hints" ); |
2321 | } |
2322 | |
2323 | wmhints->input = focusable ? True : False; |
2324 | wmhints->flags |= InputHint; |
2325 | |
2326 | X11_XSetWMHints(display, data->xwindow, wmhints); |
2327 | X11_XFree(wmhints); |
2328 | |
2329 | return true; |
2330 | } |
2331 | |
2332 | #endif // SDL_VIDEO_DRIVER_X11 |
2333 | |