aboutsummaryrefslogtreecommitdiff
path: root/src/cmd/rio/event.c
blob: 1fa00ffcfeba9409d66321611129f29dc504ca18 (plain)
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
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
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
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
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
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
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
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
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
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
/* Copyright (c) 1994-1996 David Hogan, see README for licence details */
#include <stdio.h>
#include <stdlib.h>
#include <X11/X.h>
#include <X11/Xos.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/extensions/shape.h>
#include "dat.h"
#include "fns.h"
#include "patchlevel.h"

void
mainloop(int shape_event)
{
	XEvent ev;
	
	for(;;){
		getevent(&ev);

#ifdef	DEBUG_EV
		if(debug){
			ShowEvent(&ev);
			printf("\n");
		}
#endif
		switch (ev.type){
		default:
#ifdef	SHAPE
			if(shape && ev.type == shape_event)
				shapenotify((XShapeEvent *)&ev);
			else
#endif
				fprintf(stderr, "rio: unknown ev.type %d\n", ev.type);
			break;
		case KeyPress:
			keypress(&ev.xkey);
			break;
		case KeyRelease:
			keyrelease(&ev.xkey);
			break;
		case ButtonPress:
			button(&ev.xbutton);
			break;
		case ButtonRelease:
			break;
		case MapRequest:
			mapreq(&ev.xmaprequest);
			break;
		case ConfigureRequest:
			configurereq(&ev.xconfigurerequest);
			break;
		case CirculateRequest:
			circulatereq(&ev.xcirculaterequest);
			break;
		case UnmapNotify:
			unmap(&ev.xunmap);
			break;
		case CreateNotify:
			newwindow(&ev.xcreatewindow);
			break;
		case DestroyNotify:
			destroy(ev.xdestroywindow.window);
			break;
		case ClientMessage:
			clientmesg(&ev.xclient);
			break;
		case ColormapNotify:
			cmap(&ev.xcolormap);
			break;
		case PropertyNotify:
			property(&ev.xproperty);
			break;
		case SelectionClear:
			fprintf(stderr, "rio: SelectionClear (this should not happen)\n");
			break;
		case SelectionNotify:
			fprintf(stderr, "rio: SelectionNotify (this should not happen)\n");
			break;
		case SelectionRequest:
			fprintf(stderr, "rio: SelectionRequest (this should not happen)\n");
			break;
		case EnterNotify:
			enter(&ev.xcrossing);
			break;
		case LeaveNotify:
			leave(&ev.xcrossing);
			break;
		case ReparentNotify:
			reparent(&ev.xreparent);
			break;
		case FocusIn:
			focusin(&ev.xfocus);
			break;
		case MotionNotify:
			motionnotify(&ev.xmotion);
			break;
		case Expose:
		case NoExpose:
		case FocusOut:
		case ConfigureNotify:
		case MapNotify:
		case MappingNotify:
		case GraphicsExpose:
			/* not interested */
			trace("ignore", 0, &ev);
			break;
		}
	}
}


void
configurereq(XConfigureRequestEvent *e)
{
	XWindowChanges wc;
	Client *c;

	/* we don't set curtime as nothing here uses it */
	c = getclient(e->window, 0);
	trace("configurereq", c, e);

	e->value_mask &= ~CWSibling;

	if(c){
		gravitate(c, 1);
		if(e->value_mask & CWX)
			c->x = e->x;
		if(e->value_mask & CWY)
			c->y = e->y;
		if(e->value_mask & CWWidth)
			c->dx = e->width;
		if(e->value_mask & CWHeight)
			c->dy = e->height;
		if(e->value_mask & CWBorderWidth)
			c->border = e->border_width;
		gravitate(c, 0);
		if(e->value_mask & CWStackMode){
			if(e->detail == Above)
				top(c);
			else
				e->value_mask &= ~CWStackMode;
		}
		if(c->parent != c->screen->root && c->window == e->window){
			wc.x = c->x-BORDER;
			wc.y = c->y-BORDER;
			wc.width = c->dx+2*BORDER;
			wc.height = c->dy+2*BORDER;
			wc.border_width = 1;
			wc.sibling = None;
			wc.stack_mode = e->detail;
			XConfigureWindow(dpy, c->parent, e->value_mask, &wc);
			sendconfig(c);
			if(e->value_mask & CWStackMode){
				top(c);
				active(c);
			}
		}
	}

	if(c && c->init){
		wc.x = BORDER;
		wc.y = BORDER;
	}
	else {
		wc.x = e->x;
		wc.y = e->y;
	}
	wc.width = e->width;
	wc.height = e->height;
	wc.border_width = 0;
	wc.sibling = None;
	wc.stack_mode = Above;
	e->value_mask &= ~CWStackMode;
	e->value_mask |= CWBorderWidth;

	XConfigureWindow(dpy, e->window, e->value_mask, &wc);
}

void
mapreq(XMapRequestEvent *e)
{
	Client *c;
	int i;

	curtime = CurrentTime;
	c = getclient(e->window, 0);
	trace("mapreq", c, e);

	if(c == 0 || c->window != e->window){
		/* workaround for stupid NCDware */
		fprintf(stderr, "rio: bad mapreq c %p w %x, rescanning\n",
			(void*)c, (int)e->window);
		for(i = 0; i < num_screens; i++)
			scanwins(&screens[i]);
		c = getclient(e->window, 0);
		if(c == 0 || c->window != e->window){
			fprintf(stderr, "rio: window not found after rescan\n");
			return;
		}
	}

	switch (c->state){
	case WithdrawnState:
		if(c->parent == c->screen->root){
			if(!manage(c, 0))
				return;
			break;
		}
		XReparentWindow(dpy, c->window, c->parent, BORDER-1, BORDER-1);
		XAddToSaveSet(dpy, c->window);
		/* fall through... */
	case NormalState:
		XMapWindow(dpy, c->window);
		XMapRaised(dpy, c->parent);
		top(c);
		setstate(c, NormalState);
		if(c->trans != None && current && c->trans == current->window)
				active(c);
		break;
	case IconicState:
		unhidec(c, 1);
		break;
	}
}

void
unmap(XUnmapEvent *e)
{
	Client *c;

	curtime = CurrentTime;
	c = getclient(e->window, 0);
	if(c){
		switch (c->state){
		case IconicState:
			if(e->send_event){
				unhidec(c, 0);
				withdraw(c);
			}
			break;
		case NormalState:
			if(c == current)
				nofocus();
			if(!c->reparenting)
				withdraw(c);
			break;
		}
		c->reparenting = 0;
	}
}

void
circulatereq(XCirculateRequestEvent *e)
{
	fprintf(stderr, "It must be the warlock Krill!\n");  /* ☺ */
}

void
newwindow(XCreateWindowEvent *e)
{
	Client *c;
	ScreenInfo *s;

	/* we don't set curtime as nothing here uses it */
	if(e->override_redirect)
		return;
	c = getclient(e->window, 1);
	if(c && c->window == e->window && (s = getscreen(e->parent))){
		c->x = e->x;
		c->y = e->y;
		c->dx = e->width;
		c->dy = e->height;
		c->border = e->border_width;
		c->screen = s;
		if(c->parent == None)
			c->parent = c->screen->root;
	}
}

void
destroy(Window w)
{
	int i;
	Client *c;

	curtime = CurrentTime;
	c = getclient(w, 0);
	if(c == 0)
		return;

	if(numvirtuals > 1)
		for(i=0; i<numvirtuals; i++)
			if(currents[i] == c)
				currents[i] = 0;

	rmclient(c);

	/* flush any errors generated by the window's sudden demise */
	ignore_badwindow = 1;
	XSync(dpy, False);
	ignore_badwindow = 0;
}

void
clientmesg(XClientMessageEvent *e)
{
	Client *c;

	curtime = CurrentTime;
	if(e->message_type == exit_rio){
		cleanup();
		exit(0);
	}
	if(e->message_type == restart_rio){
		fprintf(stderr, "*** rio restarting ***\n");
		cleanup();
		execvp(myargv[0], myargv);
		perror("rio: exec failed");
		exit(1);
	}
	if(e->message_type == wm_protocols)
		return;
	if(e->message_type == wm_change_state){
		c = getclient(e->window, 0);
		if(e->format == 32 && e->data.l[0] == IconicState && c != 0){
			if(normal(c))
				hide(c);
		}
		else
			fprintf(stderr, "rio: WM_CHANGE_STATE: format %d data %d w 0x%x\n",
				(int)e->format, (int)e->data.l[0], (int)e->window);
		return;
	}
	fprintf(stderr, "rio: strange ClientMessage, type 0x%x window 0x%x\n",
		(int)e->message_type, (int)e->window);
}

void
cmap(XColormapEvent *e)
{
	Client *c;
	int i;

	/* we don't set curtime as nothing here uses it */
	if(e->new){
		c = getclient(e->window, 0);
		if(c){
			c->cmap = e->colormap;
			if(c == current)
				cmapfocus(c);
		}
		else
			for(c = clients; c; c = c->next){
				for(i = 0; i < c->ncmapwins; i++)
					if(c->cmapwins[i] == e->window){
						c->wmcmaps[i] = e->colormap;
						if(c == current)
							cmapfocus(c);
						return;
					}
			}
	}
}

void
property(XPropertyEvent *e)
{
	Atom a;
	int delete;
	Client *c;
	long msize;

	/* we don't set curtime as nothing here uses it */
	a = e->atom;
	delete = (e->state == PropertyDelete);
	c = getclient(e->window, 0);
	if(c == 0)
		return;

	switch (a){
	case XA_WM_ICON_NAME:
		if(c->iconname != 0)
			XFree((char*) c->iconname);
		c->iconname = delete ? 0 : getprop(c->window, a);
		setlabel(c);
		renamec(c, c->label);
		return;
	case XA_WM_NAME:
		if(c->name != 0)
			XFree((char*) c->name);
		c->name = delete ? 0 : getprop(c->window, a);
		setlabel(c);
		renamec(c, c->label);
		return;
	case XA_WM_TRANSIENT_FOR:
		gettrans(c);
		return;
	case XA_WM_HINTS:
	case XA_WM_SIZE_HINTS:
	case XA_WM_ZOOM_HINTS:
		/* placeholders to not forget.  ignore for now.  -Axel */
		return;
	case XA_WM_NORMAL_HINTS:
		if(XGetWMNormalHints(dpy, c->window, &c->size, &msize) == 0 || c->size.flags == 0)
			c->size.flags = PSize;	/* not specified - punt */
		return;
	}
	if(a == _rio_hold_mode){
		c->hold = getiprop(c->window, _rio_hold_mode);
		if(c == current)
			draw_border(c, 1);
	}
	else if(a == wm_colormaps){
		getcmaps(c);
		if(c == current)
			cmapfocus(c);
	}
}

void
reparent(XReparentEvent *e)
{
	Client *c;
	XWindowAttributes attr;
	ScreenInfo *s;

	/* we don't set curtime as nothing here uses it */
	if(!getscreen(e->event) || e->override_redirect)
		return;
	if((s = getscreen(e->parent)) != 0){
		c = getclient(e->window, 1);
		if(c != 0 && (c->dx == 0 || c->dy == 0)){
			/* flush any errors */
			ignore_badwindow = 1;
			XGetWindowAttributes(dpy, c->window, &attr);
			XSync(dpy, False);
			ignore_badwindow = 0;

			c->x = attr.x;
			c->y = attr.y;
			c->dx = attr.width;
			c->dy = attr.height;
			c->border = attr.border_width;
			c->screen = s;
			if(c->parent == None)
				c->parent = c->screen->root;
		}
	}
	else {
		c = getclient(e->window, 0);
		if(c != 0 && (c->parent == c->screen->root || withdrawn(c)))
			rmclient(c);
	}
}

#ifdef	SHAPE
void
shapenotify(XShapeEvent *e)
{
	Client *c;

	/* we don't set curtime as nothing here uses it */
	c = getclient(e->window, 0);
	if(c == 0)
		return;

	setshape(c);
}
#endif

void
enter(XCrossingEvent *e)
{
	Client *c;

	curtime = e->time;
	if(!ffm)
	if(e->mode != NotifyGrab || e->detail != NotifyNonlinearVirtual)
		return;
	c = getclient(e->window, 0);
	if(c != 0 && c != current){
		/* someone grabbed the pointer; make them current */
		if(!ffm)
			XMapRaised(dpy, c->parent);
		top(c);
		active(c);
	}
}

void
leave(XCrossingEvent *e)
{
	Client *c;

	c = getclient(e->window, 0);
	if(c)
		XUndefineCursor(dpy, c->parent);
/* 	XDefineCursor(dpy, c->parent, c->screen->arrow); */
}

void
focusin(XFocusChangeEvent *e)
{
	Client *c;

	curtime = CurrentTime;
	if(e->detail != NotifyNonlinearVirtual)
		return;
	c = getclient(e->window, 0);
	if(c != 0 && c->window == e->window && c != current){
		/* someone grabbed keyboard or seized focus; make them current */
		XMapRaised(dpy, c->parent);
		top(c);
		active(c);
	}
}

BorderOrient
borderorient(Client *c, int x, int y)
{
	if(x <= BORDER){
		if(y <= CORNER){
			if(debug) fprintf(stderr, "topleft\n");
			return BorderWNW;
		}
		if(y >= (c->dy + 2*BORDER) - CORNER){
			if(debug) fprintf(stderr, "botleft\n");
			return BorderWSW;
		}
		if(y > CORNER &&
			y < (c->dy + 2*BORDER) - CORNER){
			if(debug) fprintf(stderr, "left\n");
			return BorderW;
		}
	} else if(x <= CORNER){
		if(y <= BORDER){
			if(debug) fprintf(stderr, "topleft\n");
			return BorderNNW;
		}
		if  (y >= (c->dy + BORDER)){
			if(debug) fprintf(stderr, "botleft\n");
			return BorderSSW;
		}
	} else if(x >= (c->dx + BORDER)){
		if(y <= CORNER){
			if(debug) fprintf(stderr, "topright\n");
			return BorderENE;
		}
		if(y >= (c->dy + 2*BORDER) - CORNER){
			if(debug) fprintf(stderr, "botright\n");
			return BorderESE;
		}
		if(y > CORNER &&
			y < (c->dy + 2*BORDER) - CORNER){
			if(debug) fprintf(stderr, "right\n");
			return BorderE;
		}
	} else if(x >= (c->dx + 2*BORDER) - CORNER){
		if(y <= BORDER){
			if(debug) fprintf(stderr, "topright\n");
			return BorderNNE;
		}
		if  (y >= (c->dy + BORDER)){
			if(debug) fprintf(stderr, "botright\n");
			return BorderSSE;
		}
	} else if(x > CORNER &&
			x < (c->dx + 2*BORDER) - CORNER){
		if(y <= BORDER){
			if(debug) fprintf(stderr, "top\n");
			return BorderN;
		}
		if(y >= (c->dy + BORDER)){
			if(debug) fprintf(stderr, "bot\n");
			return BorderS;
		}
	}
	return BorderUnknown;
}

void
motionnotify(XMotionEvent *e)
{
	Client *c;
	BorderOrient bl;

	c = getclient(e->window, 0);
	if(c){
		bl = borderorient(c, e->x, e->y);
		if(bl == BorderUnknown)
			XUndefineCursor(dpy, c->parent);
		else
			XDefineCursor(dpy, c->parent, c->screen->bordcurs[bl]);
	}
}