SDL_x11events.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
/*
Simple DirectMedia Layer
Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_X11
#include <sys/types.h>
#include <sys/time.h>
#include <signal.h>
#include <unistd.h>
#include <limits.h> /* For INT_MAX */
#include "SDL_x11video.h"
#include "SDL_x11touch.h"
#include "SDL_x11xinput2.h"
#include "../../events/SDL_events_c.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_touch_c.h"
#include "SDL_timer.h"
#include "SDL_syswm.h"
#include <stdio.h>
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
#ifndef _NET_WM_MOVERESIZE_SIZE_TOPLEFT
#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_TOP
#define _NET_WM_MOVERESIZE_SIZE_TOP 1
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_TOPRIGHT
#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_RIGHT
#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_BOTTOM
#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_LEFT
#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
#endif
75
#ifndef _NET_WM_MOVERESIZE_MOVE
76
#define _NET_WM_MOVERESIZE_MOVE 8
77
78
#endif
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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
typedef struct {
unsigned char *data;
int format, count;
Atom type;
} SDL_x11Prop;
/* Reads property
Must call X11_XFree on results
*/
static void X11_ReadProperty(SDL_x11Prop *p, Display *disp, Window w, Atom prop)
{
unsigned char *ret=NULL;
Atom type;
int fmt;
unsigned long count;
unsigned long bytes_left;
int bytes_fetch = 0;
do {
if (ret != 0) X11_XFree(ret);
X11_XGetWindowProperty(disp, w, prop, 0, bytes_fetch, False, AnyPropertyType, &type, &fmt, &count, &bytes_left, &ret);
bytes_fetch += bytes_left;
} while (bytes_left != 0);
p->data=ret;
p->format=fmt;
p->count=count;
p->type=type;
}
/* Find text-uri-list in a list of targets and return it's atom
if available, else return None */
static Atom X11_PickTarget(Display *disp, Atom list[], int list_count)
{
Atom request = None;
char *name;
int i;
for (i=0; i < list_count && request == None; i++) {
name = X11_XGetAtomName(disp, list[i]);
if (strcmp("text/uri-list", name)==0) request = list[i];
X11_XFree(name);
}
return request;
}
/* Wrapper for X11_PickTarget for a maximum of three targets, a special
case in the Xdnd protocol */
static Atom X11_PickTargetFromAtoms(Display *disp, Atom a0, Atom a1, Atom a2)
{
int count=0;
Atom atom[3];
if (a0 != None) atom[count++] = a0;
if (a1 != None) atom[count++] = a1;
if (a2 != None) atom[count++] = a2;
return X11_PickTarget(disp, atom, count);
}
/* #define DEBUG_XEVENTS */
struct KeyRepeatCheckData
{
XEvent *event;
SDL_bool found;
};
static Bool X11_KeyRepeatCheckIfEvent(Display *display, XEvent *chkev,
XPointer arg)
{
struct KeyRepeatCheckData *d = (struct KeyRepeatCheckData *) arg;
if (chkev->type == KeyPress &&
chkev->xkey.keycode == d->event->xkey.keycode &&
chkev->xkey.time - d->event->xkey.time < 2)
d->found = SDL_TRUE;
return False;
}
/* Check to see if this is a repeated key.
(idea shamelessly lifted from GII -- thanks guys! :)
*/
static SDL_bool X11_KeyRepeat(Display *display, XEvent *event)
{
XEvent dummyev;
struct KeyRepeatCheckData d;
d.event = event;
d.found = SDL_FALSE;
if (X11_XPending(display))
X11_XCheckIfEvent(display, &dummyev, X11_KeyRepeatCheckIfEvent,
(XPointer) &d);
return d.found;
}
static Bool X11_IsWheelCheckIfEvent(Display *display, XEvent *chkev,
XPointer arg)
{
XEvent *event = (XEvent *) arg;
/* we only handle buttons 4 and 5 - false positive avoidance */
if (chkev->type == ButtonRelease &&
(event->xbutton.button == Button4 || event->xbutton.button == Button5) &&
chkev->xbutton.button == event->xbutton.button &&
chkev->xbutton.time == event->xbutton.time)
return True;
return False;
}
static SDL_bool X11_IsWheelEvent(Display * display,XEvent * event,int * ticks)
{
XEvent relevent;
if (X11_XPending(display)) {
/* according to the xlib docs, no specific mouse wheel events exist.
however, mouse wheel events trigger a button press and a button release
immediately. thus, checking if the same button was released at the same
time as it was pressed, should be an adequate hack to derive a mouse
wheel event.
However, there is broken and unusual hardware out there...
- False positive: a button for which a release event is
generated (or synthesised) immediately.
- False negative: a wheel which, when rolled, doesn't have
a release event generated immediately. */
if (X11_XCheckIfEvent(display, &relevent, X11_IsWheelCheckIfEvent,
(XPointer) event)) {
/* by default, X11 only knows 5 buttons. on most 3 button + wheel mouse,
Button4 maps to wheel up, Button5 maps to wheel down. */
if (event->xbutton.button == Button4) {
*ticks = 1;
}
else if (event->xbutton.button == Button5) {
*ticks = -1;
}
return SDL_TRUE;
}
}
return SDL_FALSE;
}
213
214
215
216
217
218
219
220
221
222
223
224
225
226
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
/* Decodes URI escape sequences in string buf of len bytes
(excluding the terminating NULL byte) in-place. Since
URI-encoded characters take three times the space of
normal characters, this should not be an issue.
Returns the number of decoded bytes that wound up in
the buffer, excluding the terminating NULL byte.
The buffer is guaranteed to be NULL-terminated but
may contain embedded NULL bytes.
On error, -1 is returned.
*/
int X11_URIDecode(char *buf, int len) {
int ri, wi, di;
char decode = '\0';
if (buf == NULL || len < 0) {
errno = EINVAL;
return -1;
}
if (len == 0) {
len = SDL_strlen(buf);
}
for (ri = 0, wi = 0, di = 0; ri < len && wi < len; ri += 1) {
if (di == 0) {
/* start decoding */
if (buf[ri] == '%') {
decode = '\0';
di += 1;
continue;
}
/* normal write */
buf[wi] = buf[ri];
wi += 1;
continue;
} else if (di == 1 || di == 2) {
char off = '\0';
char isa = buf[ri] >= 'a' && buf[ri] <= 'f';
char isA = buf[ri] >= 'A' && buf[ri] <= 'F';
char isn = buf[ri] >= '0' && buf[ri] <= '9';
if (!(isa || isA || isn)) {
/* not a hexadecimal */
int sri;
for (sri = ri - di; sri <= ri; sri += 1) {
buf[wi] = buf[sri];
wi += 1;
}
di = 0;
continue;
}
/* itsy bitsy magicsy */
if (isn) {
off = 0 - '0';
} else if (isa) {
off = 10 - 'a';
} else if (isA) {
off = 10 - 'A';
}
decode |= (buf[ri] + off) << (2 - di) * 4;
if (di == 2) {
buf[wi] = decode;
wi += 1;
di = 0;
} else {
di += 1;
}
continue;
}
}
buf[wi] = '\0';
return wi;
}
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
/* Convert URI to local filename
return filename if possible, else NULL
*/
static char* X11_URIToLocal(char* uri) {
char *file = NULL;
SDL_bool local;
if (memcmp(uri,"file:/",6) == 0) uri += 6; /* local file? */
else if (strstr(uri,":/") != NULL) return file; /* wrong scheme */
local = uri[0] != '/' || ( uri[0] != '\0' && uri[1] == '/' );
/* got a hostname? */
if ( !local && uri[0] == '/' && uri[2] != '/' ) {
char* hostname_end = strchr( uri+1, '/' );
if ( hostname_end != NULL ) {
char hostname[ 257 ];
if ( gethostname( hostname, 255 ) == 0 ) {
hostname[ 256 ] = '\0';
if ( memcmp( uri+1, hostname, hostname_end - ( uri+1 )) == 0 ) {
uri = hostname_end + 1;
local = SDL_TRUE;
}
}
}
}
if ( local ) {
file = uri;
314
315
/* Convert URI escape sequences to real characters */
X11_URIDecode(file, 0);
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
if ( uri[1] == '/' ) {
file++;
} else {
file--;
}
}
return file;
}
#if SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS
static void X11_HandleGenericEvent(SDL_VideoData *videodata,XEvent event)
{
/* event is a union, so cookie == &event, but this is type safe. */
XGenericEventCookie *cookie = &event.xcookie;
if (X11_XGetEventData(videodata->display, cookie)) {
X11_HandleXinput2Event(videodata, cookie);
X11_XFreeEventData(videodata->display, cookie);
}
}
#endif /* SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS */
static void
X11_DispatchFocusIn(SDL_WindowData *data)
{
#ifdef DEBUG_XEVENTS
printf("window %p: Dispatching FocusIn\n", data);
#endif
SDL_SetKeyboardFocus(data->window);
#ifdef X_HAVE_UTF8_STRING
if (data->ic) {
X11_XSetICFocus(data->ic);
}
#endif
350
351
352
#ifdef SDL_USE_IBUS
SDL_IBus_SetFocus(SDL_TRUE);
#endif
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
}
static void
X11_DispatchFocusOut(SDL_WindowData *data)
{
#ifdef DEBUG_XEVENTS
printf("window %p: Dispatching FocusOut\n", data);
#endif
/* If another window has already processed a focus in, then don't try to
* remove focus here. Doing so will incorrectly remove focus from that
* window, and the focus lost event for this window will have already
* been dispatched anyway. */
if (data->window == SDL_GetKeyboardFocus()) {
SDL_SetKeyboardFocus(NULL);
}
#ifdef X_HAVE_UTF8_STRING
if (data->ic) {
X11_XUnsetICFocus(data->ic);
}
#endif
373
374
375
#ifdef SDL_USE_IBUS
SDL_IBus_SetFocus(SDL_FALSE);
#endif
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
}
static void
X11_DispatchMapNotify(SDL_WindowData *data)
{
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESTORED, 0, 0);
}
static void
X11_DispatchUnmapNotify(SDL_WindowData *data)
{
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
}
393
InitiateWindowMove(_THIS, const SDL_WindowData *data, const SDL_Point *point)
395
396
397
SDL_VideoData *viddata = (SDL_VideoData *) _this->driverdata;
SDL_Window* window = data->window;
Display *display = viddata->display;
398
XEvent evt;
399
400
/* !!! FIXME: we need to regrab this if necessary when the drag is done. */
401
402
403
404
X11_XUngrabPointer(display, 0L);
X11_XFlush(display);
evt.xclient.type = ClientMessage;
405
evt.xclient.window = data->xwindow;
406
evt.xclient.message_type = X11_XInternAtom(display, "_NET_WM_MOVERESIZE", True);
407
evt.xclient.format = 32;
408
409
evt.xclient.data.l[0] = window->x + point->x;
evt.xclient.data.l[1] = window->y + point->y;
410
evt.xclient.data.l[2] = _NET_WM_MOVERESIZE_MOVE;
411
412
413
414
415
416
417
evt.xclient.data.l[3] = Button1;
evt.xclient.data.l[4] = 0;
X11_XSendEvent(display, DefaultRootWindow(display), False, SubstructureRedirectMask | SubstructureNotifyMask, &evt);
X11_XSync(display, 0);
}
418
419
420
421
422
423
static void
InitiateWindowResize(_THIS, const SDL_WindowData *data, const SDL_Point *point, int direction)
{
SDL_VideoData *viddata = (SDL_VideoData *) _this->driverdata;
SDL_Window* window = data->window;
Display *display = viddata->display;
424
XEvent evt;
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
if (direction < _NET_WM_MOVERESIZE_SIZE_TOPLEFT || direction > _NET_WM_MOVERESIZE_SIZE_LEFT)
return;
/* !!! FIXME: we need to regrab this if necessary when the drag is done. */
X11_XUngrabPointer(display, 0L);
X11_XFlush(display);
evt.xclient.type = ClientMessage;
evt.xclient.window = data->xwindow;
evt.xclient.message_type = X11_XInternAtom(display, "_NET_WM_MOVERESIZE", True);
evt.xclient.format = 32;
evt.xclient.data.l[0] = window->x + point->x;
evt.xclient.data.l[1] = window->y + point->y;
evt.xclient.data.l[2] = direction;
evt.xclient.data.l[3] = Button1;
evt.xclient.data.l[4] = 0;
X11_XSendEvent(display, DefaultRootWindow(display), False, SubstructureRedirectMask | SubstructureNotifyMask, &evt);
X11_XSync(display, 0);
}
447
static SDL_bool
448
ProcessHitTest(_THIS, const SDL_WindowData *data, const XEvent *xev)
450
SDL_Window *window = data->window;
451
SDL_bool ret = SDL_FALSE;
453
if (window->hit_test) {
454
const SDL_Point point = { xev->xbutton.x, xev->xbutton.y };
455
const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
456
457
458
459
460
461
462
463
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
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
switch (rc) {
case SDL_HITTEST_DRAGGABLE: {
InitiateWindowMove(_this, data, &point);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_TOPLEFT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_TOPLEFT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_TOP: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_TOP);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_TOPRIGHT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_TOPRIGHT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_RIGHT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_RIGHT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_BOTTOMRIGHT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_BOTTOM: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_BOTTOM);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_BOTTOMLEFT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_LEFT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_LEFT);
ret = SDL_TRUE;
}
break;
default:
break;
507
return ret;
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
static void
X11_DispatchEvent(_THIS)
{
SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
Display *display = videodata->display;
SDL_WindowData *data;
XEvent xevent;
int orig_event_type;
KeyCode orig_keycode;
XClientMessageEvent m;
int i;
SDL_zero(xevent); /* valgrind fix. --ryan. */
X11_XNextEvent(display, &xevent);
/* Save the original keycode for dead keys, which are filtered out by
the XFilterEvent() call below.
*/
orig_event_type = xevent.type;
if (orig_event_type == KeyPress || orig_event_type == KeyRelease) {
orig_keycode = xevent.xkey.keycode;
} else {
orig_keycode = 0;
}
/* filter events catchs XIM events and sends them to the correct handler */
if (X11_XFilterEvent(&xevent, None) == True) {
#if 0
printf("Filtered event type = %d display = %d window = %d\n",
xevent.type, xevent.xany.display, xevent.xany.window);
#endif
if (orig_keycode) {
/* Make sure dead key press/release events are sent */
543
544
/* Actually, don't do this because it causes double-delivery
of some keys on Ubuntu 14.04 (bug 2526)
545
546
547
548
549
550
SDL_Scancode scancode = videodata->key_layout[orig_keycode];
if (orig_event_type == KeyPress) {
SDL_SendKeyboardKey(SDL_PRESSED, scancode);
} else {
SDL_SendKeyboardKey(SDL_RELEASED, scancode);
}
552
553
554
555
556
557
558
559
560
561
562
563
564
565
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
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
}
return;
}
/* Send a SDL_SYSWMEVENT if the application wants them */
if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
SDL_SysWMmsg wmmsg;
SDL_VERSION(&wmmsg.version);
wmmsg.subsystem = SDL_SYSWM_X11;
wmmsg.msg.x11.event = xevent;
SDL_SendSysWMEvent(&wmmsg);
}
#if SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS
if(xevent.type == GenericEvent) {
X11_HandleGenericEvent(videodata,xevent);
return;
}
#endif
#if 0
printf("type = %d display = %d window = %d\n",
xevent.type, xevent.xany.display, xevent.xany.window);
#endif
data = NULL;
if (videodata && videodata->windowlist) {
for (i = 0; i < videodata->numwindows; ++i) {
if ((videodata->windowlist[i] != NULL) &&
(videodata->windowlist[i]->xwindow == xevent.xany.window)) {
data = videodata->windowlist[i];
break;
}
}
}
if (!data) {
return;
}
switch (xevent.type) {
/* Gaining mouse coverage? */
case EnterNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: EnterNotify! (%d,%d,%d)\n", data,
xevent.xcrossing.x,
xevent.xcrossing.y,
xevent.xcrossing.mode);
if (xevent.xcrossing.mode == NotifyGrab)
printf("Mode: NotifyGrab\n");
if (xevent.xcrossing.mode == NotifyUngrab)
printf("Mode: NotifyUngrab\n");
#endif
SDL_SetMouseFocus(data->window);
if (!SDL_GetMouse()->relative_mode) {
SDL_SendMouseMotion(data->window, 0, 0, xevent.xcrossing.x, xevent.xcrossing.y);
}
}
break;
/* Losing mouse coverage? */
case LeaveNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: LeaveNotify! (%d,%d,%d)\n", data,
xevent.xcrossing.x,
xevent.xcrossing.y,
xevent.xcrossing.mode);
if (xevent.xcrossing.mode == NotifyGrab)
printf("Mode: NotifyGrab\n");
if (xevent.xcrossing.mode == NotifyUngrab)
printf("Mode: NotifyUngrab\n");
#endif
if (!SDL_GetMouse()->relative_mode) {
SDL_SendMouseMotion(data->window, 0, 0, xevent.xcrossing.x, xevent.xcrossing.y);
}
if (xevent.xcrossing.mode != NotifyGrab &&
xevent.xcrossing.mode != NotifyUngrab &&
xevent.xcrossing.detail != NotifyInferior) {
SDL_SetMouseFocus(NULL);
}
}
break;
/* Gaining input focus? */
case FocusIn:{
if (xevent.xfocus.mode == NotifyGrab || xevent.xfocus.mode == NotifyUngrab) {
/* Someone is handling a global hotkey, ignore it */
#ifdef DEBUG_XEVENTS
printf("window %p: FocusIn (NotifyGrab/NotifyUngrab, ignoring)\n", data);
#endif
break;
}
if (xevent.xfocus.detail == NotifyInferior) {
#ifdef DEBUG_XEVENTS
printf("window %p: FocusIn (NotifierInferior, ignoring)\n", data);
#endif
break;
}
#ifdef DEBUG_XEVENTS
printf("window %p: FocusIn!\n", data);
#endif
if (data->pending_focus == PENDING_FOCUS_OUT &&
data->window == SDL_GetKeyboardFocus()) {
/* We want to reset the keyboard here, because we may have
missed keyboard messages after our previous FocusOut.
*/
/* Actually, if we do this we clear the ALT key on Unity
because it briefly takes focus for their dashboard.
I think it's better to think the ALT key is held down
when it's not, then always lose the ALT modifier on Unity.
*/
/* SDL_ResetKeyboard(); */
}
data->pending_focus = PENDING_FOCUS_IN;
data->pending_focus_time = SDL_GetTicks() + PENDING_FOCUS_IN_TIME;
}
break;
/* Losing input focus? */
case FocusOut:{
if (xevent.xfocus.mode == NotifyGrab || xevent.xfocus.mode == NotifyUngrab) {
/* Someone is handling a global hotkey, ignore it */
#ifdef DEBUG_XEVENTS
printf("window %p: FocusOut (NotifyGrab/NotifyUngrab, ignoring)\n", data);
#endif
break;
}
if (xevent.xfocus.detail == NotifyInferior) {
/* We still have focus if a child gets focus */
#ifdef DEBUG_XEVENTS
printf("window %p: FocusOut (NotifierInferior, ignoring)\n", data);
#endif
break;
}
#ifdef DEBUG_XEVENTS
printf("window %p: FocusOut!\n", data);
#endif
data->pending_focus = PENDING_FOCUS_OUT;
data->pending_focus_time = SDL_GetTicks() + PENDING_FOCUS_OUT_TIME;
}
break;
/* Generated upon EnterWindow and FocusIn */
case KeymapNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: KeymapNotify!\n", data);
#endif
/* FIXME:
X11_SetKeyboardState(SDL_Display, xevent.xkeymap.key_vector);
*/
}
break;
/* Has the keyboard layout changed? */
case MappingNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: MappingNotify!\n", data);
#endif
X11_UpdateKeymap(_this);
}
break;
/* Key press? */
case KeyPress:{
KeyCode keycode = xevent.xkey.keycode;
KeySym keysym = NoSymbol;
char text[SDL_TEXTINPUTEVENT_TEXT_SIZE];
Status status = 0;
724
SDL_bool handled_by_ime = SDL_FALSE;
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
#ifdef DEBUG_XEVENTS
printf("window %p: KeyPress (X11 keycode = 0x%X)\n", data, xevent.xkey.keycode);
#endif
#if 1
if (videodata->key_layout[keycode] == SDL_SCANCODE_UNKNOWN && keycode) {
int min_keycode, max_keycode;
X11_XDisplayKeycodes(display, &min_keycode, &max_keycode);
#if SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM
keysym = X11_XkbKeycodeToKeysym(display, keycode, 0, 0);
#else
keysym = XKeycodeToKeysym(display, keycode, 0);
#endif
fprintf(stderr,
"The key you just pressed is not recognized by SDL. To help get this fixed, please report this to the SDL mailing list <sdl@libsdl.org> X11 KeyCode %d (%d), X11 KeySym 0x%lX (%s).\n",
keycode, keycode - min_keycode, keysym,
X11_XKeysymToString(keysym));
}
#endif
/* */
SDL_zero(text);
#ifdef X_HAVE_UTF8_STRING
if (data->ic) {
X11_Xutf8LookupString(data->ic, &xevent.xkey, text, sizeof(text),
&keysym, &status);
}
#else
XLookupString(&xevent.xkey, text, sizeof(text), &keysym, NULL);
#endif
754
755
#ifdef SDL_USE_IBUS
if(SDL_GetEventState(SDL_TEXTINPUT) == SDL_ENABLE){
756
if(!(handled_by_ime = SDL_IBus_ProcessKeyEvent(keysym, keycode))){
757
758
759
760
761
762
763
#endif
if(*text){
SDL_SendKeyboardText(text);
}
#ifdef SDL_USE_IBUS
}
}
764
765
#endif
if (!handled_by_ime) {
766
SDL_SendKeyboardKey(SDL_PRESSED, videodata->key_layout[keycode]);
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
}
break;
/* Key release? */
case KeyRelease:{
KeyCode keycode = xevent.xkey.keycode;
#ifdef DEBUG_XEVENTS
printf("window %p: KeyRelease (X11 keycode = 0x%X)\n", data, xevent.xkey.keycode);
#endif
if (X11_KeyRepeat(display, &xevent)) {
/* We're about to get a repeated key down, ignore the key up */
break;
}
SDL_SendKeyboardKey(SDL_RELEASED, videodata->key_layout[keycode]);
}
break;
/* Have we been iconified? */
case UnmapNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: UnmapNotify!\n", data);
#endif
X11_DispatchUnmapNotify(data);
}
break;
/* Have we been restored? */
case MapNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: MapNotify!\n", data);
#endif
X11_DispatchMapNotify(data);
}
break;
/* Have we been resized or moved? */
case ConfigureNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: ConfigureNotify! (position: %d,%d, size: %dx%d)\n", data,
xevent.xconfigure.x, xevent.xconfigure.y,
xevent.xconfigure.width, xevent.xconfigure.height);
#endif
long border_left = 0;
long border_top = 0;
if (data->xwindow) {
Atom _net_frame_extents = X11_XInternAtom(display, "_NET_FRAME_EXTENTS", 0);
817
int format;
818
unsigned long nitems, bytes_after;
819
unsigned char *property;
820
821
822
823
824
825
826
827
828
829
if (X11_XGetWindowProperty(display, data->xwindow,
_net_frame_extents, 0, 16, 0,
XA_CARDINAL, &type, &format,
&nitems, &bytes_after, &property) == Success) {
if (type != None && nitems == 4)
{
border_left = ((long*)property)[0];
border_top = ((long*)property)[2];
}
X11_XFree(property);
830
831
832
833
834
835
836
837
}
}
if (xevent.xconfigure.x != data->last_xconfigure.x ||
xevent.xconfigure.y != data->last_xconfigure.y) {
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED,
xevent.xconfigure.x - border_left,
xevent.xconfigure.y - border_top);
838
839
840
841
842
843
#ifdef SDL_USE_IBUS
if(SDL_GetEventState(SDL_TEXTINPUT) == SDL_ENABLE){
/* Update IBus candidate list position */
SDL_IBus_UpdateTextRect(NULL);
}
#endif
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
}
if (xevent.xconfigure.width != data->last_xconfigure.width ||
xevent.xconfigure.height != data->last_xconfigure.height) {
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED,
xevent.xconfigure.width,
xevent.xconfigure.height);
}
data->last_xconfigure = xevent.xconfigure;
}
break;
/* Have we been requested to quit (or another client message?) */
case ClientMessage:{
int xdnd_version=0;
if (xevent.xclient.message_type == videodata->XdndEnter) {
SDL_bool use_list = xevent.xclient.data.l[1] & 1;
data->xdnd_source = xevent.xclient.data.l[0];
xdnd_version = ( xevent.xclient.data.l[1] >> 24);
if (use_list) {
/* fetch conversion targets */
SDL_x11Prop p;
X11_ReadProperty(&p, display, data->xdnd_source, videodata->XdndTypeList);
/* pick one */
data->xdnd_req = X11_PickTarget(display, (Atom*)p.data, p.count);
X11_XFree(p.data);
} else {
/* pick from list of three */
data->xdnd_req = X11_PickTargetFromAtoms(display, xevent.xclient.data.l[2], xevent.xclient.data.l[3], xevent.xclient.data.l[4]);
}
}
else if (xevent.xclient.message_type == videodata->XdndPosition) {
/* reply with status */
memset(&m, 0, sizeof(XClientMessageEvent));
m.type = ClientMessage;
m.display = xevent.xclient.display;
m.window = xevent.xclient.data.l[0];
m.message_type = videodata->XdndStatus;
m.format=32;
m.data.l[0] = data->xwindow;
m.data.l[1] = (data->xdnd_req != None);
m.data.l[2] = 0; /* specify an empty rectangle */
m.data.l[3] = 0;
m.data.l[4] = videodata->XdndActionCopy; /* we only accept copying anyway */
X11_XSendEvent(display, xevent.xclient.data.l[0], False, NoEventMask, (XEvent*)&m);
X11_XFlush(display);
}
else if(xevent.xclient.message_type == videodata->XdndDrop) {
if (data->xdnd_req == None) {
/* say again - not interested! */
memset(&m, 0, sizeof(XClientMessageEvent));
m.type = ClientMessage;
m.display = xevent.xclient.display;
m.window = xevent.xclient.data.l[0];
m.message_type = videodata->XdndFinished;
m.format=32;
m.data.l[0] = data->xwindow;
m.data.l[1] = 0;
m.data.l[2] = None; /* fail! */
X11_XSendEvent(display, xevent.xclient.data.l[0], False, NoEventMask, (XEvent*)&m);
} else {
/* convert */
if(xdnd_version >= 1) {
X11_XConvertSelection(display, videodata->XdndSelection, data->xdnd_req, videodata->PRIMARY, data->xwindow, xevent.xclient.data.l[2]);
} else {
X11_XConvertSelection(display, videodata->XdndSelection, data->xdnd_req, videodata->PRIMARY, data->xwindow, CurrentTime);
}
}
}
else if ((xevent.xclient.message_type == videodata->WM_PROTOCOLS) &&
(xevent.xclient.format == 32) &&
(xevent.xclient.data.l[0] == videodata->_NET_WM_PING)) {
Window root = DefaultRootWindow(display);
#ifdef DEBUG_XEVENTS
printf("window %p: _NET_WM_PING\n", data);
#endif
xevent.xclient.window = root;
X11_XSendEvent(display, root, False, SubstructureRedirectMask | SubstructureNotifyMask, &xevent);
break;
}
else if ((xevent.xclient.message_type == videodata->WM_PROTOCOLS) &&
(xevent.xclient.format == 32) &&
(xevent.xclient.data.l[0] == videodata->WM_DELETE_WINDOW)) {
#ifdef DEBUG_XEVENTS
printf("window %p: WM_DELETE_WINDOW\n", data);
#endif
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
break;
}
}
break;
/* Do we need to refresh ourselves? */
case Expose:{
#ifdef DEBUG_XEVENTS
printf("window %p: Expose (count = %d)\n", data, xevent.xexpose.count);
#endif
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED, 0, 0);
}
break;
case MotionNotify:{
SDL_Mouse *mouse = SDL_GetMouse();
if(!mouse->relative_mode || mouse->relative_mode_warp) {
#ifdef DEBUG_MOTION
printf("window %p: X11 motion: %d,%d\n", xevent.xmotion.x, xevent.xmotion.y);
#endif
SDL_SendMouseMotion(data->window, 0, 0, xevent.xmotion.x, xevent.xmotion.y);
}
}
break;
case ButtonPress:{
int ticks = 0;
if (X11_IsWheelEvent(display,&xevent,&ticks)) {
SDL_SendMouseWheel(data->window, 0, 0, ticks);
} else {
968
if(xevent.xbutton.button == Button1) {
969
if (ProcessHitTest(_this, data, &xevent)) {
970
971
break; /* don't pass this event on to app. */
}
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
SDL_SendMouseButton(data->window, 0, SDL_PRESSED, xevent.xbutton.button);
}
}
break;
case ButtonRelease:{
SDL_SendMouseButton(data->window, 0, SDL_RELEASED, xevent.xbutton.button);
}
break;
case PropertyNotify:{
#ifdef DEBUG_XEVENTS
unsigned char *propdata;
int status, real_format;
Atom real_type;
unsigned long items_read, items_left, i;
char *name = X11_XGetAtomName(display, xevent.xproperty.atom);
if (name) {
printf("window %p: PropertyNotify: %s %s\n", data, name, (xevent.xproperty.state == PropertyDelete) ? "deleted" : "changed");
X11_XFree(name);
}
status = X11_XGetWindowProperty(display, data->xwindow, xevent.xproperty.atom, 0L, 8192L, False, AnyPropertyType, &real_type, &real_format, &items_read, &items_left, &propdata);
if (status == Success && items_read > 0) {
if (real_type == XA_INTEGER) {
int *values = (int *)propdata;