This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_x11window.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_syswm.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_keyboard_c.h"
#include "SDL_x11video.h"
static int
SetupWindowData(_THIS, SDL_Window * window, Window w, BOOL created)
{
SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
SDL_WindowData *data;
int numwindows = videodata->numwindows;
SDL_WindowData **windowlist = videodata->windowlist;
/* Allocate the window data */
data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
if (!data) {
SDL_OutOfMemory();
return -1;
}
data->windowID = window->id;
data->window = w;
#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
data->ic =
pXCreateIC(videodata->im, XNClientWindow, w, XNFocusWindow, w,
XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
XNResourceName, videodata->classname, XNResourceClass,
videodata->classname, NULL);
}
#endif
data->created = created;
data->videodata = videodata;
/* Associate the data with the window */
windowlist =
(SDL_WindowData **) SDL_realloc(windowlist,
(numwindows +
1) * sizeof(*windowlist));
if (!windowlist) {
SDL_OutOfMemory();
SDL_free(data);
return -1;
}
windowlist[numwindows++] = data;
videodata->numwindows = numwindows;
videodata->windowlist = windowlist;
/* Fill in the SDL window with the window data */
{
XWindowAttributes attrib;
XGetWindowAttributes(data->videodata->display, w, &attrib);
window->x = attrib.x;
window->y = attrib.y;
window->w = attrib.width;
window->h = attrib.height;
if (attrib.map_state != IsUnmapped) {
window->flags |= SDL_WINDOW_SHOWN;
} else {
window->flags &= ~SDL_WINDOW_SHOWN;
}
}
/* FIXME: How can I tell?
{
DWORD style = GetWindowLong(hwnd, GWL_STYLE);
if (style & WS_VISIBLE) {
if (style & (WS_BORDER | WS_THICKFRAME)) {
window->flags &= ~SDL_WINDOW_BORDERLESS;
} else {
window->flags |= SDL_WINDOW_BORDERLESS;
}
if (style & WS_THICKFRAME) {
window->flags |= SDL_WINDOW_RESIZABLE;
} else {
window->flags &= ~SDL_WINDOW_RESIZABLE;
}
if (style & WS_MAXIMIZE) {
window->flags |= SDL_WINDOW_MAXIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MAXIMIZED;
}
if (style & WS_MINIMIZE) {
window->flags |= SDL_WINDOW_MINIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MINIMIZED;
}
}
if (GetFocus() == hwnd) {
int index = data->videodata->keyboard;
window->flags |= SDL_WINDOW_INPUT_FOCUS;
SDL_SetKeyboardFocus(index, data->windowID);
if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
RECT rect;
GetClientRect(hwnd, &rect);
ClientToScreen(hwnd, (LPPOINT) & rect);
ClientToScreen(hwnd, (LPPOINT) & rect + 1);
ClipCursor(&rect);
}
}
*/
/* All done! */
window->driverdata = data;
return 0;
}
int
X11_CreateWindow(_THIS, SDL_Window * window)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *displaydata =
138
(SDL_DisplayData *) SDL_GetDisplayFromWindow(window)->driverdata;
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
Visual *visual;
int depth;
XSetWindowAttributes xattr;
int x, y;
Window w;
XSizeHints *sizehints;
XWMHints *wmhints;
XClassHint *classhints;
#if SDL_VIDEO_DRIVER_X11_XINERAMA
/* FIXME
if ( use_xinerama ) {
x = xinerama_info.x_org;
y = xinerama_info.y_org;
}
*/
#endif
156
#ifdef SDL_VIDEO_OPENGL_GLX
157
if (window->flags & SDL_WINDOW_OPENGL) {
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
XVisualInfo *vinfo;
if (X11_GL_Initialize(_this) < 0) {
return -1;
}
vinfo = X11_GL_GetVisual(_this, data->display, displaydata->screen);
if (!vinfo) {
return -1;
}
visual = vinfo->visual;
depth = vinfo->depth;
XFree(vinfo);
} else
#endif
{
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
visual = displaydata->visual;
depth = displaydata->depth;
}
if (window->flags & SDL_WINDOW_FULLSCREEN) {
xattr.override_redirect = True;
} else {
xattr.override_redirect = False;
}
xattr.background_pixel = 0;
xattr.border_pixel = 0;
if (visual->class == PseudoColor || visual->class == DirectColor) {
xattr.colormap =
XCreateColormap(data->display,
RootWindow(data->display, displaydata->screen),
visual, AllocAll);
} else {
xattr.colormap =
XCreateColormap(data->display,
RootWindow(data->display, displaydata->screen),
visual, AllocNone);
}
196
if (window->x == SDL_WINDOWPOS_CENTERED) {
197
198
199
200
201
202
203
x = (DisplayWidth(data->display, displaydata->screen) -
window->w) / 2;
} else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
x = 0;
} else {
x = window->x;
}
204
if (window->y == SDL_WINDOWPOS_CENTERED) {
205
206
207
208
209
210
211
212
213
214
215
216
217
y = (DisplayHeight(data->display, displaydata->screen) -
window->h) / 2;
} else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
y = 0;
} else {
y = window->y;
}
w = XCreateWindow(data->display,
RootWindow(data->display, displaydata->screen), x, y,
window->w, window->h, 0, depth, InputOutput, visual,
(CWOverrideRedirect | CWBackPixel | CWBorderPixel |
CWColormap), &xattr);
218
219
220
221
222
223
224
225
226
if (!w) {
#ifdef SDL_VIDEO_OPENGL_GLX
if (window->flags & SDL_WINDOW_OPENGL) {
X11_GL_Shutdown(_this);
}
#endif
SDL_SetError("Couldn't create window");
return -1;
}
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
sizehints = XAllocSizeHints();
if (sizehints) {
if (window->flags & SDL_WINDOW_RESIZABLE) {
sizehints->min_width = 32;
sizehints->min_height = 32;
sizehints->max_height = 4096;
sizehints->max_width = 4096;
} else {
sizehints->min_width = sizehints->max_width = window->w;
sizehints->min_height = sizehints->max_height = window->h;
}
sizehints->flags = PMaxSize | PMinSize;
if (!(window->flags & SDL_WINDOW_FULLSCREEN)
&& window->x != SDL_WINDOWPOS_UNDEFINED
&& window->y != SDL_WINDOWPOS_UNDEFINED) {
sizehints->x = x;
sizehints->y = y;
sizehints->flags |= USPosition;
}
XSetWMNormalHints(data->display, w, sizehints);
XFree(sizehints);
}
if (window->flags & SDL_WINDOW_BORDERLESS) {
SDL_bool set;
Atom WM_HINTS;
/* We haven't modified the window manager hints yet */
set = SDL_FALSE;
/* First try to set MWM hints */
WM_HINTS = XInternAtom(data->display, "_MOTIF_WM_HINTS", True);
if (WM_HINTS != None) {
/* Hints used by Motif compliant window managers */
struct
{
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long input_mode;
unsigned long status;
} MWMHints = {
(1L << 1), 0, 0, 0, 0};
XChangeProperty(data->display, w, WM_HINTS, WM_HINTS, 32,
PropModeReplace, (unsigned char *) &MWMHints,
sizeof(MWMHints) / sizeof(long));
set = SDL_TRUE;
}
/* Now try to set KWM hints */
WM_HINTS = XInternAtom(data->display, "KWM_WIN_DECORATION", True);
if (WM_HINTS != None) {
long KWMHints = 0;
XChangeProperty(data->display, w,
WM_HINTS, WM_HINTS, 32,
PropModeReplace,
(unsigned char *) &KWMHints,
sizeof(KWMHints) / sizeof(long));
set = SDL_TRUE;
}
/* Now try to set GNOME hints */
WM_HINTS = XInternAtom(data->display, "_WIN_HINTS", True);
if (WM_HINTS != None) {
long GNOMEHints = 0;
XChangeProperty(data->display, w,
WM_HINTS, WM_HINTS, 32,
PropModeReplace,
(unsigned char *) &GNOMEHints,
sizeof(GNOMEHints) / sizeof(long));
set = SDL_TRUE;
}
/* Finally set the transient hints if necessary */
if (!set) {
XSetTransientForHint(data->display, w,
RootWindow(data->display,
displaydata->screen));
}
} else {
SDL_bool set;
Atom WM_HINTS;
/* We haven't modified the window manager hints yet */
set = SDL_FALSE;
/* First try to unset MWM hints */
WM_HINTS = XInternAtom(data->display, "_MOTIF_WM_HINTS", True);
if (WM_HINTS != None) {
XDeleteProperty(data->display, w, WM_HINTS);
set = SDL_TRUE;
}
/* Now try to unset KWM hints */
WM_HINTS = XInternAtom(data->display, "KWM_WIN_DECORATION", True);
if (WM_HINTS != None) {
XDeleteProperty(data->display, w, WM_HINTS);
set = SDL_TRUE;
}
/* Now try to unset GNOME hints */
WM_HINTS = XInternAtom(data->display, "_WIN_HINTS", True);
if (WM_HINTS != None) {
XDeleteProperty(data->display, w, WM_HINTS);
set = SDL_TRUE;
}
/* Finally unset the transient hints if necessary */
if (!set) {
/* NOTE: Does this work? */
XSetTransientForHint(data->display, w, None);
}
}
/* Tell KDE to keep fullscreen windows on top */
if (window->flags & SDL_WINDOW_FULLSCREEN) {
XEvent ev;
long mask;
SDL_zero(ev);
ev.xclient.type = ClientMessage;
ev.xclient.window = RootWindow(data->display, displaydata->screen);
ev.xclient.message_type =
XInternAtom(data->display, "KWM_KEEP_ON_TOP", False);
ev.xclient.format = 32;
ev.xclient.data.l[0] = w;
ev.xclient.data.l[1] = CurrentTime;
XSendEvent(data->display,
RootWindow(data->display, displaydata->screen), False,
SubstructureRedirectMask, &ev);
}
/* Set the input hints so we get keyboard input */
wmhints = XAllocWMHints();
if (wmhints) {
wmhints->input = True;
361
wmhints->flags = InputHint;
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
XSetWMHints(data->display, w, wmhints);
XFree(wmhints);
}
XSelectInput(data->display, w,
(FocusChangeMask | EnterWindowMask | LeaveWindowMask |
ExposureMask | ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | KeyPressMask | KeyReleaseMask |
PropertyChangeMask | StructureNotifyMask |
KeymapStateMask));
/* Set the class hints so we can get an icon (AfterStep) */
classhints = XAllocClassHint();
if (classhints != NULL) {
classhints->res_name = data->classname;
classhints->res_class = data->classname;
XSetClassHint(data->display, w, classhints);
XFree(classhints);
}
/* Allow the window to be deleted by the window manager */
XSetWMProtocols(data->display, w, &data->WM_DELETE_WINDOW, 1);
if (SetupWindowData(_this, window, w, SDL_TRUE) < 0) {
386
387
388
389
390
#ifdef SDL_VIDEO_OPENGL_GLX
if (window->flags & SDL_WINDOW_OPENGL) {
X11_GL_Shutdown(_this);
}
#endif
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
XDestroyWindow(data->display, w);
return -1;
}
return 0;
}
int
X11_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
{
Window w = (Window) data;
/* FIXME: Query the title from the existing window */
if (SetupWindowData(_this, window, w, SDL_FALSE) < 0) {
return -1;
}
return 0;
}
void
X11_SetWindowTitle(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
XTextProperty titleprop, iconprop;
Status status;
const char *title = window->title;
const char *icon = NULL;
#ifdef X_HAVE_UTF8_STRING
Atom _NET_WM_NAME = 0;
Atom _NET_WM_ICON_NAME = 0;
/* Look up some useful Atoms */
if (SDL_X11_HAVE_UTF8) {
_NET_WM_NAME = XInternAtom(display, "_NET_WM_NAME", False);
_NET_WM_ICON_NAME = XInternAtom(display, "_NET_WM_ICON_NAME", False);
}
#endif
if (title != NULL) {
432
433
char *title_locale = SDL_iconv_utf8_locale(title);
if (!title_locale) {
434
435
436
SDL_OutOfMemory();
return;
}
437
438
status = XStringListToTextProperty(&title_locale, 1, &titleprop);
SDL_free(title_locale);
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
if (status) {
XSetTextProperty(display, data->window, &titleprop, XA_WM_NAME);
XFree(titleprop.value);
}
#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
status =
Xutf8TextListToTextProperty(display, (char **) &title, 1,
XUTF8StringStyle, &titleprop);
if (status == Success) {
XSetTextProperty(display, data->window, &titleprop,
_NET_WM_NAME);
XFree(titleprop.value);
}
}
#endif
}
if (icon != NULL) {
457
458
char *icon_locale = SDL_iconv_utf8_locale(icon);
if (!icon_locale) {
459
460
461
SDL_OutOfMemory();
return;
}
462
463
status = XStringListToTextProperty(&icon_locale, 1, &iconprop);
SDL_free(icon_locale);
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
if (status) {
XSetTextProperty(display, data->window, &iconprop,
XA_WM_ICON_NAME);
XFree(iconprop.value);
}
#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
status =
Xutf8TextListToTextProperty(display, (char **) &icon, 1,
XUTF8StringStyle, &iconprop);
if (status == Success) {
XSetTextProperty(display, data->window, &iconprop,
_NET_WM_ICON_NAME);
XFree(iconprop.value);
}
}
#endif
}
}
void
X11_SetWindowPosition(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
SDL_DisplayData *displaydata =
489
(SDL_DisplayData *) SDL_GetDisplayFromWindow(window)->driverdata;
490
491
Display *display = data->videodata->display;
492
XMoveWindow(display, data->window, window->x, window->y);
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
}
void
X11_SetWindowSize(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
XMoveWindow(display, data->window, window->w, window->h);
}
void
X11_ShowWindow(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
XMapRaised(display, data->window);
}
void
X11_HideWindow(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
XUnmapWindow(display, data->window);
}
void
X11_RaiseWindow(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
XRaiseWindow(display, data->window);
}
void
X11_MaximizeWindow(_THIS, SDL_Window * window)
{
/* FIXME: is this even possible? */
}
void
X11_MinimizeWindow(_THIS, SDL_Window * window)
{
X11_HideWindow(_this, window);
}
void
X11_RestoreWindow(_THIS, SDL_Window * window)
{
X11_ShowWindow(_this, window);
}
void
X11_SetWindowGrab(_THIS, SDL_Window * window)
{
/* FIXME */
}
void
X11_DestroyWindow(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
if (data) {
Display *display = data->videodata->display;
562
563
564
565
#ifdef SDL_VIDEO_OPENGL_GLX
if (window->flags & SDL_WINDOW_OPENGL) {
X11_GL_Shutdown(_this);
}
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
#endif
#ifdef X_HAVE_UTF8_STRING
if (data->ic) {
XDestroyIC(data->ic);
}
#endif
if (data->created) {
XDestroyWindow(display, data->window);
}
SDL_free(data);
}
}
SDL_bool
X11_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
{
if (info->version.major <= SDL_MAJOR_VERSION) {
/* FIXME! */
return SDL_TRUE;
} else {
SDL_SetError("Application not compiled with SDL %d.%d\n",
SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
return SDL_FALSE;
}
}
/* vi: set ts=4 sw=4 expandtab: */