about summary refs log tree commit diff stats
path: root/client.c
blob: f92df83bb8a52b07cef20284d699c2bdafe84fa3 (plain) (blame) 
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

/*
 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
 * See LICENSE file for license details.
 */
#include "dwm.h"
#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>

/* static functions */

static void
resizetitle(Client *c)
{
	int i;

	c->tw = 0;
	for(i = 0; i < ntags; i++)
		if(c->tags[i])
			c->tw += textw(tags[i]);
	c->tw += textw(c->name);
	if(c->tw > c->w)
		c->tw = c->w + 2;
	c->tx = c->x + c->w - c->tw + 2;
	c->ty = c->y;
	if(c->tags[tsel])
		XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
	else
		XMoveResizeWindow(dpy, c->title, c->tx + 2 * sw, c->ty, c->tw, c->th);

}

static int
xerrordummy(Display *dsply, XErrorEvent *ee)
{
	return 0;
}

/* extern functions */

void
ban(Client *c)
{
	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
	XMoveWindow(dpy, c->title, c->tx + 2 * sw, c->ty);
}

void
focus(Client *c)
{
	Client *old = sel;
	XEvent ev;

	sel = c;
	if(old && old != c)
		drawtitle(old);
	drawtitle(c);
	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
	XSync(dpy, False);
	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}

void
focusnext(Arg *arg)
{
	Client *c;
   
	if(!sel)
		return;

	if(sel->ismax)
		togglemax(NULL);

	if(!(c = getnext(sel->next)))
		c = getnext(clients);
	if(c) {
		higher(c);
		focus(c);
	}
}

void
focusprev(Arg *arg)
{
	Client *c;

	if(!sel)
		return;

	if(sel->ismax)
		togglemax(NULL);

	if(!(c = getprev(sel->prev))) {
		for(c = clients; c && c->next; c = c->next);
		c = getprev(c);
	}
	if(c) {
		higher(c);
		focus(c);
	}
}

Client *
getclient(Window w)
{
	Client *c;

	for(c = clients; c; c = c->next)
		if(c->win == w)
			return c;
	return NULL;
}

Client *
getctitle(Window w)
{
	Client *c;

	for(c = clients; c; c = c->next)
		if(c->title == w)
			return c;
	return NULL;
}

void
gravitate(Client *c, Bool invert)
{
	int dx = 0, dy = 0;

	switch(c->grav) {
	default:
		break;
	case StaticGravity:
	case NorthWestGravity:
	case NorthGravity:
	case NorthEastGravity:
		dy = c->border;
		break;
	case EastGravity:
	case CenterGravity:
	case WestGravity:
		dy = -(c->h / 2) + c->border;
		break;
	case SouthEastGravity:
	case SouthGravity:
	case SouthWestGravity:
		dy = -(c->h);
		break;
	}

	switch (c->grav) {
	default:
		break;
	case StaticGravity:
	case NorthWestGravity:
	case WestGravity:
	case SouthWestGravity:
		dx = c->border;
		break;
	case NorthGravity:
	case CenterGravity:
	case SouthGravity:
		dx = -(c->w / 2) + c->border;
		break;
	case NorthEastGravity:
	case EastGravity:
	case SouthEastGravity:
		dx = -(c->w + c->border);
		break;
	}

	if(invert) {
		dx = -dx;
		dy = -dy;
	}
	c->x += dx;
	c->y += dy;
}

void
higher(Client *c)
{
	XRaiseWindow(dpy, c->win);
	XRaiseWindow(dpy, c->title);
}

void
killclient(Arg *arg)
{
	if(!sel)
		return;
	if(sel->proto & PROTODELWIN)
		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
	else
		XKillClient(dpy, sel->win);
}

void
lower(Client *c)
{
	XLowerWindow(dpy, c->title);
	XLowerWindow(dpy, c->win);
}

void
manage(Window w, XWindowAttributes *wa)
{
	Client *c;
	Window trans;
	XSetWindowAttributes twa;

	c = emallocz(sizeof(Client));
	c->tags = emallocz(ntags * sizeof(Bool));
	c->win = w;
	c->x = c->tx = wa->x;
	c->y = c->ty = wa->y;
	c->w = c->tw = wa->width;
	c->h = wa->height;
	c->th = bh;

	c->border = 0;
	setsize(c);

	if(c->h != sh && c->y < bh)
		c->y = c->ty = bh;

	c->proto = getproto(c->win);
	XSelectInput(dpy, c->win,
		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
	XGetTransientForHint(dpy, c->win, &trans);
	twa.override_redirect = 1;
	twa.background_pixmap = ParentRelative;
	twa.event_mask = ExposureMask | EnterWindowMask;

	c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
			0, DefaultDepth(dpy, screen), CopyFromParent,
			DefaultVisual(dpy, screen),
			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

	if(clients)
		clients->prev = c;
	c->next = clients;
	clients = c;

	XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button1, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button1, MODKEY | NUMLOCKMASK | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);

	XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button2, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button2, MODKEY | NUMLOCKMASK | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);

	XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button3, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button3, MODKEY | NUMLOCKMASK | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);

	settags(c);
	if(!c->isfloat)
		c->isfloat = trans
			|| (c->maxw && c->minw &&
				c->maxw == c->minw && c->maxh == c->minh);
	settitle(c);
	arrange(NULL);

	/* mapping the window now prevents flicker */
	XMapRaised(dpy, c->win);
	XMapRaised(dpy, c->title);
	if(c->tags[tsel])
		focus(c);
}

void
resize(Client *c, Bool sizehints, Corner sticky)
{
	int bottom = c->y + c->h;
	int right = c->x + c->w;
	/*XConfigureEvent e;*/
	XWindowChanges wc;

	if(sizehints) {
		if(c->incw)
			c->w -= (c->w - c->basew) % c->incw;
		if(c->inch)
			c->h -= (c->h - c->baseh) % c->inch;
		if(c->minw && c->w < c->minw)
			c->w = c->minw;
		if(c->minh && c->h < c->minh)
			c->h = c->minh;
		if(c->maxw && c->w > c->maxw)
			c->w = c->maxw;
		if(c->maxh && c->h > c->maxh)
			c->h = c->maxh;
	}
	if(c->x > right) /* might happen on restart */
		c->x = right - c->w;
	if(c->y > bottom)
		c->y = bottom - c->h;
	if(sticky == TopRight || sticky == BotRight)
		c->x = right - c->w;
	if(sticky == BotLeft || sticky == BotRight)
		c->y = bottom - c->h;

	resizetitle(c);
	wc.x = c->x;
	wc.y = c->y;
	wc.width = c->w;
	wc.height = c->h;
	if(c->w == sw && c->h == sh)
		wc.border_width = 0;
	else
		wc.border_width = 1;
	XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
	XSync(dpy, False);
}

void
setsize(Client *c)
{
	long msize;
	XSizeHints size;

	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
		size.flags = PSize;
	c->flags = size.flags;
	if(c->flags & PBaseSize) {
		c->basew = size.base_width;
		c->baseh = size.base_height;
	}
	else
		c->basew = c->baseh = 0;
	if(c->flags & PResizeInc) {
		c->incw = size.width_inc;
		c->inch = size.height_inc;
	}
	else
		c->incw = c->inch = 0;
	if(c->flags & PMaxSize) {
		c->maxw = size.max_width;
		c->maxh = size.max_height;
	}
	else
		c->maxw = c->maxh = 0;
	if(c->flags & PMinSize) {
		c->minw = size.min_width;
		c->minh = size.min_height;
	}
	else
		c->minw = c->minh = 0;
	if(c->flags & PWinGravity)
		c->grav = size.win_gravity;
	else
		c->grav = NorthWestGravity;
}

void
settitle(Client *c)
{
	char **list = NULL;
	int n;
	XTextProperty name;

	name.nitems = 0;
	c->name[0] = 0;
	XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
	if(!name.nitems)
		XGetWMName(dpy, c->win, &name);
	if(!name.nitems)
		return;
	if(name.encoding == XA_STRING)
		strncpy(c->name, (char *)name.value, sizeof(c->name));
	else {
		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
				&& n > 0 && *list)
		{
			strncpy(c->name, *list, sizeof(c->name));
			XFreeStringList(list);
		}
	}
	XFree(name.value);
	resizetitle(c);
}

void
togglemax(Arg *arg)
{
	int ox, oy, ow, oh;
	XEvent ev;

	if(!sel)
		return;

	if((sel->ismax = !sel->ismax)) {
		ox = sel->x;
		oy = sel->y;
		ow = sel->w;
		oh = sel->h;
		sel->x = sx;
		sel->y = sy + bh;
		sel->w = sw - 2;
		sel->h = sh - 2 - bh;

		higher(sel);
		resize(sel, False, TopLeft);

		sel->x = ox;
		sel->y = oy;
		sel->w = ow;
		sel->h = oh;
	}
	else
		resize(sel, False, TopLeft);
	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}

void
unmanage(Client *c)
{
	XGrabServer(dpy);
	XSetErrorHandler(xerrordummy);

	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
	XDestroyWindow(dpy, c->title);

	if(c->prev)
		c->prev->next = c->next;
	if(c->next)
		c->next->prev = c->prev;
	if(c == clients)
		clients = c->next;
	if(sel == c) {
		sel = getnext(c->next);
		if(!sel)
			sel = getprev(c->prev);
		if(!sel)
			sel = clients;
	}
	free(c->tags);
	free(c);

	XSync(dpy, False);
	XSetErrorHandler(xerror);
	XUngrabServer(dpy);
	arrange(NULL);
	if(sel)
		focus(sel);
}

void
zoom(Arg *arg)
{
	Client *c;

	if(!sel || (arrange != dotile) || sel->isfloat)
		return;

	if(sel == getnext(clients))  {
		if((c = getnext(sel->next)))
			sel = c;
		else
			return;
	}

	/* pop */
	if(sel->prev)
		sel->prev->next = sel->next;
	if(sel->next)
		sel->next->prev = sel->prev;
	sel->prev = NULL;
	if(clients)
		clients->prev = sel;
	sel->next = clients;
	clients = sel;
	arrange(NULL);
	focus(sel);
}
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-19 06:19:45 +0000
TH(rules); i++) { r = &rules[i]; if((!r->title || strstr(c->name, r->title)) && (!r->class || (ch.res_class && strstr(ch.res_class, r->class))) && (!r->instance || (ch.res_name && strstr(ch.res_name, r->instance)))) { c->isfloating = r->isfloating; c->tags |= r->tags & TAGMASK; } } if(ch.res_class) XFree(ch.res_class); if(ch.res_name) XFree(ch.res_name); if(!c->tags) c->tags = tagset[seltags]; } void arrange(void) { Client *c; for(c = clients; c; c = c->next) if(ISVISIBLE(c)) { XMoveWindow(dpy, c->win, c->x, c->y); if(!lt[sellt]->arrange || c->isfloating) resize(c, c->x, c->y, c->w, c->h, True); } else { XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y); } focus(NULL); if(lt[sellt]->arrange) lt[sellt]->arrange(); restack(); } void attach(Client *c) { c->next = clients; clients = c; } void attachstack(Client *c) { c->snext = stack; stack = c; } void buttonpress(XEvent *e) { uint i, x, click; Arg arg = {0}; Client *c; XButtonPressedEvent *ev = &e->xbutton; click = ClkRootWin; if(ev->window == barwin) { i = x = 0; do x += TEXTW(tags[i]); while(ev->x >= x && ++i < LENGTH(tags)); if(i < LENGTH(tags)) { click = ClkTagBar; arg.ui = 1 << i; } else if(ev->x < x + blw) click = ClkLtSymbol; else if(ev->x > wx + ww - TEXTW(stext)) click = ClkStatusText; else click = ClkWinTitle; } else if((c = getclient(ev->window))) { focus(c); click = ClkClientWin; } for(i = 0; i < LENGTH(buttons); i++) if(click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state)) buttons[i].func(click == ClkTagBar ? &arg : &buttons[i].arg); } void checkotherwm(void) { otherwm = False; XSetErrorHandler(xerrorstart); /* this causes an error if some other window manager is running */ XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask); XSync(dpy, False); if(otherwm) eprint("dwm: another window manager is already running\n"); XSetErrorHandler(NULL); xerrorxlib = XSetErrorHandler(xerror); XSync(dpy, False); } void cleanup(void) { Arg a = {.i = ~0}; Layout foo = { "", NULL }; close(STDIN_FILENO); view(&a); lt[sellt] = &foo; while(stack) unmanage(stack); if(dc.font.set) XFreeFontSet(dpy, dc.font.set); else XFreeFont(dpy, dc.font.xfont); XUngrabKey(dpy, AnyKey, AnyModifier, root); XFreePixmap(dpy, dc.drawable); XFreeGC(dpy, dc.gc); XFreeCursor(dpy, cursor[CurNormal]); XFreeCursor(dpy, cursor[CurResize]); XFreeCursor(dpy, cursor[CurMove]); XDestroyWindow(dpy, barwin); XSync(dpy, False); XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); } void configure(Client *c) { XConfigureEvent ce; ce.type = ConfigureNotify; ce.display = dpy; ce.event = c->win; ce.window = c->win; ce.x = c->x; ce.y = c->y; ce.width = c->w; ce.height = c->h; ce.border_width = c->bw; ce.above = None; ce.override_redirect = False; XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce); } void configurenotify(XEvent *e) { XConfigureEvent *ev = &e->xconfigure; if(ev->window == root && (ev->width != sw || ev->height != sh)) { sw = ev->width; sh = ev->height; updategeom(); updatebar(); arrange(); } } void configurerequest(XEvent *e) { Client *c; XConfigureRequestEvent *ev = &e->xconfigurerequest; XWindowChanges wc; if((c = getclient(ev->window))) { if(ev->value_mask & CWBorderWidth) c->bw = ev->border_width; else if(c->isfloating || !lt[sellt]->arrange) { if(ev->value_mask & CWX) c->x = sx + ev->x; if(ev->value_mask & CWY) c->y = sy + ev->y; if(ev->value_mask & CWWidth) c->w = ev->width; if(ev->value_mask & CWHeight) c->h = ev->height; if((c->x - sx + c->w) > sw && c->isfloating) c->x = sx + (sw / 2 - c->w / 2); /* center in x direction */ if((c->y - sy + c->h) > sh && c->isfloating) c->y = sy + (sh / 2 - c->h / 2); /* center in y direction */ if((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight))) configure(c); if(ISVISIBLE(c)) XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); } else configure(c); } else { wc.x = ev->x; wc.y = ev->y; wc.width = ev->width; wc.height = ev->height; wc.border_width = ev->border_width; wc.sibling = ev->above; wc.stack_mode = ev->detail; XConfigureWindow(dpy, ev->window, ev->value_mask, &wc); } XSync(dpy, False); } void destroynotify(XEvent *e) { Client *c; XDestroyWindowEvent *ev = &e->xdestroywindow; if((c = getclient(ev->window))) unmanage(c); } void detach(Client *c) { Client *i; if (c != clients) { for(i = clients; i->next != c; i = i->next); i->next = c->next; } else { clients = c->next; } c->next = NULL; } void detachstack(Client *c) { Client **tc; for(tc = &stack; *tc && *tc != c; tc = &(*tc)->snext); *tc = c->snext; } void drawbar(void) { int i, x; dc.x = 0; for(i = 0; i < LENGTH(tags); i++) { dc.w = TEXTW(tags[i]); if(tagset[seltags] & 1 << i) { drawtext(tags[i], dc.sel, isurgent(i)); drawsquare(sel && sel->tags & 1 << i, isoccupied(i), isurgent(i), dc.sel); } else { drawtext(tags[i], dc.norm, isurgent(i)); drawsquare(sel && sel->tags & 1 << i, isoccupied(i), isurgent(i), dc.norm); } dc.x += dc.w; } if(blw > 0) { dc.w = blw; drawtext(lt[sellt]->symbol, dc.norm, False); x = dc.x + dc.w; } else x = dc.x; dc.w = TEXTW(stext); dc.x = ww - dc.w; if(dc.x < x) { dc.x = x; dc.w = ww - x; } drawtext(stext, dc.norm, False); if((dc.w = dc.x - x) > bh) { dc.x = x; if(sel) { drawtext(sel->name, dc.sel, False); drawsquare(sel->isfixed, sel->isfloating, False, dc.sel); } else drawtext(NULL, dc.norm, False); } XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, ww, bh, 0, 0); XSync(dpy, False); } void drawsquare(Bool filled, Bool empty, Bool invert, ulong col[ColLast]) { int x; XGCValues gcv; XRectangle r = { dc.x, dc.y, dc.w, dc.h }; gcv.foreground = col[invert ? ColBG : ColFG]; XChangeGC(dpy, dc.gc, GCForeground, &gcv); x = (dc.font.ascent + dc.font.descent + 2) / 4; r.x = dc.x + 1; r.y = dc.y + 1; if(filled) { r.width = r.height = x + 1; XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); } else if(empty) { r.width = r.height = x; XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1); } } void drawtext(const char *text, ulong col[ColLast], Bool invert) { int i, x, y, h, len, olen; XRectangle r = { dc.x, dc.y, dc.w, dc.h }; char buf[256]; XSetForeground(dpy, dc.gc, col[invert ? ColFG : ColBG]); XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); if(!text) return; olen = strlen(text); len = MIN(olen, sizeof buf); memcpy(buf, text, len); h = dc.font.ascent + dc.font.descent; y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; x = dc.x + (h / 2); /* shorten text if necessary */ for(; len && (i = textnw(buf, len)) > dc.w - h; len--); if(!len) return; if(len < olen) for(i = len; i && i > len - 3; buf[--i] = '.'); XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]); if(dc.font.set) XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len); else XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); } void enternotify(XEvent *e) { Client *c; XCrossingEvent *ev = &e->xcrossing; if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root) return; if((c = getclient(ev->window))) focus(c); else focus(NULL); } void eprint(const char *errstr, ...) { va_list ap; va_start(ap, errstr); vfprintf(stderr, errstr, ap); va_end(ap); exit(EXIT_FAILURE); } void expose(XEvent *e) { XExposeEvent *ev = &e->xexpose; if(ev->count == 0 && (ev->window == barwin)) drawbar(); } void focus(Client *c) { if(!c || !ISVISIBLE(c)) for(c = stack; c && !ISVISIBLE(c); c = c->snext); if(sel && sel != c) { grabbuttons(sel, False); XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]); } if(c) { detachstack(c); attachstack(c); grabbuttons(c, True); XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]); XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime); } else XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); sel = c; drawbar(); } void focusin(XEvent *e) { /* there are some broken focus acquiring clients */ XFocusChangeEvent *ev = &e->xfocus; if(sel && ev->window != sel->win) XSetInputFocus(dpy, sel->win, RevertToPointerRoot, CurrentTime); } void focusstack(const Arg *arg) { Client *c = NULL, *i; if(!sel) return; if (arg->i > 0) { for(c = sel->next; c && !ISVISIBLE(c); c = c->next); if(!c) for(c = clients; c && !ISVISIBLE(c); c = c->next); } else { for(i = clients; i != sel; i = i->next) if(ISVISIBLE(i)) c = i; if(!c) for(; i; i = i->next) if(ISVISIBLE(i)) c = i; } if(c) { focus(c); restack(); } } Client * getclient(Window w) { Client *c; for(c = clients; c && c->win != w; c = c->next); return c; } ulong getcolor(const char *colstr) { Colormap cmap = DefaultColormap(dpy, screen); XColor color; if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color)) eprint("error, cannot allocate color '%s'\n", colstr); return color.pixel; } long getstate(Window w) { int format, status; long result = -1; unsigned char *p = NULL; ulong n, extra; Atom real; status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState], &real, &format, &n, &extra, (unsigned char **)&p); if(status != Success) return -1; if(n != 0) result = *p; XFree(p); return result; } Bool gettextprop(Window w, Atom atom, char *text, uint size) { char **list = NULL; int n; XTextProperty name; if(!text || size == 0) return False; text[0] = '\0'; XGetTextProperty(dpy, w, &name, atom); if(!name.nitems) return False; if(name.encoding == XA_STRING) strncpy(text, (char *)name.value, size - 1); else { if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) { strncpy(text, *list, size - 1); XFreeStringList(list); } } text[size - 1] = '\0'; XFree(name.value); return True; } void grabbuttons(Client *c, Bool focused) { int i, j; uint buttons[] = { Button1, Button2, Button3 }; uint modifiers[] = { MODKEY, MODKEY|LockMask, MODKEY|numlockmask, MODKEY|numlockmask|LockMask }; XUngrabButton(dpy, AnyButton, AnyModifier, c->win); if(focused) for(i = 0; i < LENGTH(buttons); i++) for(j = 0; j < LENGTH(modifiers); j++) XGrabButton(dpy, buttons[i], modifiers[j], c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None); else XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None); } void grabkeys(void) { uint i, j; KeyCode code; XModifierKeymap *modmap; /* init modifier map */ modmap = XGetModifierMapping(dpy); for(i = 0; i < 8; i++) for(j = 0; j < modmap->max_keypermod; j++) { if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock)) numlockmask = (1 << i); } XFreeModifiermap(modmap); XUngrabKey(dpy, AnyKey, AnyModifier, root); for(i = 0; i < LENGTH(keys); i++) { code = XKeysymToKeycode(dpy, keys[i].keysym); XGrabKey(dpy, code, keys[i].mod, root, True, GrabModeAsync, GrabModeAsync); XGrabKey(dpy, code, keys[i].mod|LockMask, root, True, GrabModeAsync, GrabModeAsync); XGrabKey(dpy, code, keys[i].mod|numlockmask, root, True, GrabModeAsync, GrabModeAsync); XGrabKey(dpy, code, keys[i].mod|numlockmask|LockMask, root, True, GrabModeAsync, GrabModeAsync); } } void initfont(const char *fontstr) { char *def, **missing; int i, n; missing = NULL; if(dc.font.set) XFreeFontSet(dpy, dc.font.set); dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); if(missing) { while(n--) fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]); XFreeStringList(missing); } if(dc.font.set) { XFontSetExtents *font_extents; XFontStruct **xfonts; char **font_names; dc.font.ascent = dc.font.descent = 0; font_extents = XExtentsOfFontSet(dc.font.set); n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) { dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent); dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent); xfonts++; } } else { if(dc.font.xfont) XFreeFont(dpy, dc.font.xfont); dc.font.xfont = NULL; if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)) && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed"))) eprint("error, cannot load font: '%s'\n", fontstr); dc.font.ascent = dc.font.xfont->ascent; dc.font.descent = dc.font.xfont->descent; } dc.font.height = dc.font.ascent + dc.font.descent; } Bool isoccupied(uint t) { Client *c; for(c = clients; c; c = c->next) if(c->tags & 1 << t) return True; return False; } Bool isprotodel(Client *c) { int i, n; Atom *protocols; Bool ret = False; if(XGetWMProtocols(dpy, c->win, &protocols, &n)) { for(i = 0; !ret && i < n; i++) if(protocols[i] == wmatom[WMDelete]) ret = True; XFree(protocols); } return ret; } Bool isurgent(uint t) { Client *c; for(c = clients; c; c = c->next) if(c->isurgent && c->tags & 1 << t) return True; return False; } void keypress(XEvent *e) { uint i; KeySym keysym; XKeyEvent *ev; ev = &e->xkey; keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0); for(i = 0; i < LENGTH(keys); i++) if(keysym == keys[i].keysym && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state) && keys[i].func) keys[i].func(&(keys[i].arg)); } void killclient(const Arg *arg) { XEvent ev; if(!sel) return; if(isprotodel(sel)) { ev.type = ClientMessage; ev.xclient.window = sel->win; ev.xclient.message_type = wmatom[WMProtocols]; ev.xclient.format = 32; ev.xclient.data.l[0] = wmatom[WMDelete]; ev.xclient.data.l[1] = CurrentTime; XSendEvent(dpy, sel->win, False, NoEventMask, &ev); } else XKillClient(dpy, sel->win); } void manage(Window w, XWindowAttributes *wa) { Client *c, *t = NULL; Status rettrans; Window trans; XWindowChanges wc; if(!(c = calloc(1, sizeof(Client)))) eprint("fatal: could not calloc() %u bytes\n", sizeof(Client)); c->win = w; /* geometry */ c->x = wa->x; c->y = wa->y; c->w = wa->width; c->h = wa->height; c->oldbw = wa->border_width; if(c->w == sw && c->h == sh) { c->x = sx; c->y = sy; c->bw = wa->border_width; } else { if(c->x + c->w + 2 * c->bw > sx + sw) c->x = sx + sw - c->w - 2 * c->bw; if(c->y + c->h + 2 * c->bw > sy + sh) c->y = sy + sh - c->h - 2 * c->bw; c->x = MAX(c->x, sx); /* only fix client y-offset, if the client center might cover the bar */ c->y = MAX(c->y, ((by == 0) && (c->x + (c->w / 2) >= wx) && (c->x + (c->w / 2) < wx + ww)) ? bh : sy); c->bw = borderpx; } wc.border_width = c->bw; XConfigureWindow(dpy, w, CWBorderWidth, &wc); XSetWindowBorder(dpy, w, dc.norm[ColBorder]); configure(c); /* propagates border_width, if size doesn't change */ updatesizehints(c); XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask); grabbuttons(c, False); updatetitle(c); if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success)) for(t = clients; t && t->win != trans; t = t->next); if(t) c->tags = t->tags; else applyrules(c); if(!c->isfloating) c->isfloating = (rettrans == Success) || c->isfixed; if(c->isfloating) XRaiseWindow(dpy, c->win); attach(c); attachstack(c); XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); /* some windows require this */ XMapWindow(dpy, c->win); setclientstate(c, NormalState); arrange(); } void mappingnotify(XEvent *e) { XMappingEvent *ev = &e->xmapping; XRefreshKeyboardMapping(ev); if(ev->request == MappingKeyboard) grabkeys(); } void maprequest(XEvent *e) { static XWindowAttributes wa; XMapRequestEvent *ev = &e->xmaprequest; if(!XGetWindowAttributes(dpy, ev->window, &wa)) return; if(wa.override_redirect) return; if(!getclient(ev->window)) manage(ev->window, &wa); } void monocle(void) { Client *c; for(c = nexttiled(clients); c; c = nexttiled(c->next)) resize(c, wx, wy, ww, wh, resizehints); } void movemouse(const Arg *arg) { int x1, y1, ocx, ocy, di, nx, ny; uint dui; Client *c; Window dummy; XEvent ev; if(!(c = sel)) return; restack(); ocx = nx = c->x; ocy = ny = c->y; if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None, cursor[CurMove], CurrentTime) != GrabSuccess) return; XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui); for(;;) { XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); switch (ev.type) { case ButtonRelease: XUngrabPointer(dpy, CurrentTime); return; case ConfigureRequest: case Expose: case MapRequest: handler[ev.type](&ev); break; case MotionNotify: XSync(dpy, False); nx = ocx + (ev.xmotion.x - x1); ny = ocy + (ev.xmotion.y - y1); if(snap && nx >= wx && nx <= wx + ww && ny >= wy && ny <= wy + wh) { if(abs(wx - nx) < snap) nx = wx; else if(abs((wx + ww) - (nx + c->w + 2 * c->bw)) < snap) nx = wx + ww - c->w - 2 * c->bw; if(abs(wy - ny) < snap) ny = wy; else if(abs((wy + wh) - (ny + c->h + 2 * c->bw)) < snap) ny = wy + wh - c->h - 2 * c->bw; if(!c->isfloating && lt[sellt]->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap)) togglefloating(NULL); } if(!lt[sellt]->arrange || c->isfloating) resize(c, nx, ny, c->w, c->h, False); break; } } } Client * nexttiled(Client *c) { for(; c && (c->isfloating || !ISVISIBLE(c)); c = c->next); return c; } void propertynotify(XEvent *e) { Client *c; Window trans; XPropertyEvent *ev = &e->xproperty; if(ev->state == PropertyDelete) return; /* ignore */ if((c = getclient(ev->window))) { switch (ev->atom) { default: break; case XA_WM_TRANSIENT_FOR: XGetTransientForHint(dpy, c->win, &trans); if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL))) arrange(); break; case XA_WM_NORMAL_HINTS: updatesizehints(c); break; case XA_WM_HINTS: updatewmhints(c); drawbar(); break; } if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) { updatetitle(c); if(c == sel) drawbar(); } } } void quit(const Arg *arg) { readin = running = False; } void resize(Client *c, int x, int y, int w, int h, Bool sizehints) { XWindowChanges wc; if(sizehints) { /* set minimum possible */ w = MAX(1, w); h = MAX(1, h); /* temporarily remove base dimensions */ w -= c->basew; h -= c->baseh; /* adjust for aspect limits */ if(c->mina > 0 && c->maxa > 0) { if(c->maxa < (float) w/h) w = h * c->maxa; else if(c->mina > (float) h/w) h = w * c->mina; } /* adjust for increment value */ if(c->incw) w -= w % c->incw; if(c->inch) h -= h % c->inch; /* restore base dimensions */ w += c->basew; h += c->baseh; w = MAX(w, c->minw); h = MAX(h, c->minh); if(c->maxw) w = MIN(w, c->maxw); if(c->maxh) h = MIN(h, c->maxh); } if(w <= 0 || h <= 0) return; if(x > sx + sw) x = sw - w - 2 * c->bw; if(y > sy + sh) y = sh - h - 2 * c->bw; if(x + w + 2 * c->bw < sx) x = sx; if(y + h + 2 * c->bw < sy) y = sy; if(h < bh) h = bh; if(w < bh) w = bh; if(c->x != x || c->y != y || c->w != w || c->h != h) { c->x = wc.x = x; c->y = wc.y = y; c->w = wc.width = w; c->h = wc.height = h; wc.border_width = c->bw; XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc); configure(c); XSync(dpy, False); } } void resizemouse(const Arg *arg) { int ocx, ocy; int nw, nh; Client *c; XEvent ev; if(!(c = sel)) return; restack(); ocx = c->x; ocy = c->y; if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None, cursor[CurResize], CurrentTime) != GrabSuccess) return; XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); for(;;) { XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask , &ev); switch(ev.type) { case ButtonRelease: XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); XUngrabPointer(dpy, CurrentTime); while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); return; case ConfigureRequest: case Expose: case MapRequest: handler[ev.type](&ev); break; case MotionNotify: XSync(dpy, False); nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1); nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1); if(snap && nw >= wx && nw <= wx + ww && nh >= wy && nh <= wy + wh) { if(!c->isfloating && lt[sellt]->arrange && (abs(nw - c->w) > snap || abs(nh - c->h) > snap)) togglefloating(NULL); } if(!lt[sellt]->arrange || c->isfloating) resize(c, c->x, c->y, nw, nh, True); break; } } } void restack(void) { Client *c; XEvent ev; XWindowChanges wc; drawbar(); if(!sel) return; if(sel->isfloating || !lt[sellt]->arrange) XRaiseWindow(dpy, sel->win); if(lt[sellt]->arrange) { wc.stack_mode = Below; wc.sibling = barwin; for(c = stack; c; c = c->snext) if(!c->isfloating && ISVISIBLE(c)) { XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc); wc.sibling = c->win; } } XSync(dpy, False); while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); } void run(void) { char *p; char sbuf[sizeof stext]; fd_set rd; int r, xfd; uint len, offset; XEvent ev; /* main event loop, also reads status text from stdin */ XSync(dpy, False); xfd = ConnectionNumber(dpy); readin = True; offset = 0; len = sizeof stext - 1; sbuf[len] = stext[len] = '\0'; /* 0-terminator is never touched */ while(running) { FD_ZERO(&rd); if(readin) FD_SET(STDIN_FILENO, &rd); FD_SET(xfd, &rd); if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) { if(errno == EINTR) continue; eprint("select failed\n"); } if(FD_ISSET(STDIN_FILENO, &rd)) { switch((r = read(STDIN_FILENO, sbuf + offset, len - offset))) { case -1: strncpy(stext, strerror(errno), len); readin = False; break; case 0: strncpy(stext, "EOF", 4); readin = False; break; default: for(p = sbuf + offset; r > 0; p++, r--, offset++) if(*p == '\n' || *p == '\0') { *p = '\0'; strncpy(stext, sbuf, len); p += r - 1; /* p is sbuf + offset + r - 1 */ for(r = 0; *(p - r) && *(p - r) != '\n'; r++); offset = r; if(r) memmove(sbuf, p - r + 1, r); break; } break; } drawbar(); } while(XPending(dpy)) { XNextEvent(dpy, &ev); if(handler[ev.type]) (handler[ev.type])(&ev); /* call handler */ } } } void scan(void) { uint i, num; Window *wins, d1, d2; XWindowAttributes wa; wins = NULL; if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { for(i = 0; i < num; i++) { if(!XGetWindowAttributes(dpy, wins[i], &wa) || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) continue; if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState) manage(wins[i], &wa); } for(i = 0; i < num; i++) { /* now the transients */ if(!XGetWindowAttributes(dpy, wins[i], &wa)) continue; if(XGetTransientForHint(dpy, wins[i], &d1) && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)) manage(wins[i], &wa); } } if(wins) XFree(wins); } void setclientstate(Client *c, long state) { long data[] = {state, None}; XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32, PropModeReplace, (unsigned char *)data, 2); } void setlayout(const Arg *arg) { if(!arg || !arg->v || arg->v != lt[sellt]) sellt ^= 1; if(arg && arg->v) lt[sellt] = (Layout *)arg->v; if(sel) arrange(); else drawbar(); } /* arg > 1.0 will set mfact absolutly */ void setmfact(const Arg *arg) { float f; if(!arg || !lt[sellt]->arrange) return; f = arg->f < 1.0 ? arg->f + mfact : arg->f - 1.0; if(f < 0.1 || f > 0.9) return; mfact = f; arrange(); } void setup(void) { uint i; int w; XSetWindowAttributes wa; /* init screen */ screen = DefaultScreen(dpy); root = RootWindow(dpy, screen); initfont(font); sx = 0; sy = 0; sw = DisplayWidth(dpy, screen); sh = DisplayHeight(dpy, screen); bh = dc.h = dc.font.height + 2; lt[0] = &layouts[0]; lt[1] = &layouts[1 % LENGTH(layouts)]; updategeom(); /* init atoms */ wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); wmatom[WMName] = XInternAtom(dpy, "WM_NAME", False); wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False); netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); /* init cursors */ wa.cursor = cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); /* init appearance */ dc.norm[ColBorder] = getcolor(normbordercolor); dc.norm[ColBG] = getcolor(normbgcolor); dc.norm[ColFG] = getcolor(normfgcolor); dc.sel[ColBorder] = getcolor(selbordercolor); dc.sel[ColBG] = getcolor(selbgcolor); dc.sel[ColFG] = getcolor(selfgcolor); dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen)); dc.gc = XCreateGC(dpy, root, 0, 0); XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter); if(!dc.font.set) XSetFont(dpy, dc.gc, dc.font.xfont->fid); /* init bar */ for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) { w = TEXTW(layouts[i].symbol); blw = MAX(blw, w); } wa.override_redirect = 1; wa.background_pixmap = ParentRelative; wa.event_mask = ButtonPressMask|ExposureMask; barwin = XCreateWindow(dpy, root, wx, by, ww, bh, 0, DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen), CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); XDefineCursor(dpy, barwin, cursor[CurNormal]); XMapRaised(dpy, barwin); strcpy(stext, "dwm-"VERSION); drawbar(); /* EWMH support per view */ XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, PropModeReplace, (unsigned char *) netatom, NetLast); /* select for events */ wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask |EnterWindowMask|LeaveWindowMask|StructureNotifyMask; XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa); XSelectInput(dpy, root, wa.event_mask); /* grab keys */ grabkeys(); } void spawn(const Arg *arg) { /* The double-fork construct avoids zombie processes and keeps the code * clean from stupid signal handlers. */ if(fork() == 0) { if(fork() == 0) { if(dpy) close(ConnectionNumber(dpy)); setsid(); execvp(((char **)arg->v)[0], (char **)arg->v); fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]); perror(" failed"); } exit(0); } wait(0); } void tag(const Arg *arg) { if(sel && arg->ui & TAGMASK) { sel->tags = arg->ui & TAGMASK; arrange(); } } int textnw(const char *text, uint len) { XRectangle r; if(dc.font.set) { XmbTextExtents(dc.font.set, text, len, NULL, &r); return r.width; } return XTextWidth(dc.font.xfont, text, len); } void tile(void) { int x, y, h, w, mw; uint i, n; Client *c; for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next), n++); if(n == 0) return; /* master */ c = nexttiled(clients); mw = mfact * ww; resize(c, wx, wy, (n == 1 ? ww : mw) - 2 * c->bw, wh - 2 * c->bw, resizehints); if(--n == 0) return; /* tile stack */ x = (wx + mw > c->x + c->w) ? c->x + c->w + 2 * c->bw : wx + mw; y = wy; w = (wx + mw > c->x + c->w) ? wx + ww - x : ww - mw; h = wh / n; if(h < bh) h = wh; for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) { resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == n) ? (wy + wh) - y : h) - 2 * c->bw, resizehints); if(h != wh) y = c->y + c->h + 2 * c->bw; } } void togglebar(const Arg *arg) { showbar = !showbar; updategeom(); updatebar(); arrange(); } void togglefloating(const Arg *arg) { if(!sel) return; sel->isfloating = !sel->isfloating || sel->isfixed; if(sel->isfloating) resize(sel, sel->x, sel->y, sel->w, sel->h, True); arrange(); } void toggletag(const Arg *arg) { uint mask = sel->tags ^ (arg->ui & TAGMASK); if(sel && mask) { sel->tags = mask; arrange(); } } void toggleview(const Arg *arg) { uint mask = tagset[seltags] ^ (arg->ui & TAGMASK); if(mask) { tagset[seltags] = mask; arrange(); } } void unmanage(Client *c) { XWindowChanges wc; wc.border_width = c->oldbw; /* The server grab construct avoids race conditions. */ XGrabServer(dpy); XSetErrorHandler(xerrordummy); XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */ detach(c); detachstack(c); if(sel == c) focus(NULL); XUngrabButton(dpy, AnyButton, AnyModifier, c->win); setclientstate(c, WithdrawnState); free(c); XSync(dpy, False); XSetErrorHandler(xerror); XUngrabServer(dpy); arrange(); } void unmapnotify(XEvent *e) { Client *c; XUnmapEvent *ev = &e->xunmap; if((c = getclient(ev->window))) unmanage(c); } void updatebar(void) { if(dc.drawable != 0) XFreePixmap(dpy, dc.drawable); dc.drawable = XCreatePixmap(dpy, root, ww, bh, DefaultDepth(dpy, screen)); XMoveResizeWindow(dpy, barwin, wx, by, ww, bh); } void updategeom(void) { #ifdef XINERAMA int i; XineramaScreenInfo *info = NULL; /* window area geometry */ if(XineramaIsActive(dpy)) { info = XineramaQueryScreens(dpy, &i); wx = info[xidx].x_org; wy = showbar && topbar ? info[xidx].y_org + bh : info[xidx].y_org; ww = info[xidx].width; wh = showbar ? info[xidx].height - bh : info[xidx].height; XFree(info); } else #endif { wx = sx; wy = showbar && topbar ? sy + bh : sy; ww = sw; wh = showbar ? sh - bh : sh; } /* bar position */ by = showbar ? (topbar ? wy - bh : wy + wh) : -bh; } void updatesizehints(Client *c) { long msize; XSizeHints size; XGetWMNormalHints(dpy, c->win, &size, &msize); if(size.flags & PBaseSize) { c->basew = size.base_width; c->baseh = size.base_height; } else if(size.flags & PMinSize) { c->basew = size.min_width; c->baseh = size.min_height; } else c->basew = c->baseh = 0; if(size.flags & PResizeInc) { c->incw = size.width_inc; c->inch = size.height_inc; } else c->incw = c->inch = 0; if(size.flags & PMaxSize) { c->maxw = size.max_width; c->maxh = size.max_height; } else c->maxw = c->maxh = 0; if(size.flags & PMinSize) { c->minw = size.min_width; c->minh = size.min_height; } else if(size.flags & PBaseSize) { c->minw = size.base_width; c->minh = size.base_height; } else c->minw = c->minh = 0; if(size.flags & PAspect) { c->mina = (float)size.min_aspect.y / (float)size.min_aspect.x; c->maxa = (float)size.max_aspect.x / (float)size.max_aspect.y; } else c->maxa = c->mina = 0.0; c->isfixed = (c->maxw && c->minw && c->maxh && c->minh && c->maxw == c->minw && c->maxh == c->minh); } void updatetitle(Client *c) { if(!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name)) gettextprop(c->win, wmatom[WMName], c->name, sizeof c->name); } void updatewmhints(Client *c) { XWMHints *wmh; if((wmh = XGetWMHints(dpy, c->win))) { if(c == sel) sel->isurgent = False; else c->isurgent = (wmh->flags & XUrgencyHint) ? True : False; XFree(wmh); } } void view(const Arg *arg) { seltags ^= 1; /* toggle sel tagset */ if(arg && (arg->ui & TAGMASK)) tagset[seltags] = arg->i & TAGMASK; arrange(); } /* There's no way to check accesses to destroyed windows, thus those cases are * ignored (especially on UnmapNotify's). Other types of errors call Xlibs * default error handler, which may call exit. */ int xerror(Display *dpy, XErrorEvent *ee) { if(ee->error_code == BadWindow || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) || (ee->request_code == X_GrabButton && ee->error_code == BadAccess) || (ee->request_code == X_GrabKey && ee->error_code == BadAccess) || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable)) return 0; fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", ee->request_code, ee->error_code); return xerrorxlib(dpy, ee); /* may call exit */ } int xerrordummy(Display *dpy, XErrorEvent *ee) { return 0; } /* Startup Error handler to check if another window manager * is already running. */ int xerrorstart(Display *dpy, XErrorEvent *ee) { otherwm = True; return -1; } void zoom(const Arg *arg) { Client *c = sel; if(!lt[sellt]->arrange || lt[sellt]->arrange == monocle || (sel && sel->isfloating)) return; if(c == nexttiled(clients)) if(!c || !(c = nexttiled(c->next))) return; detach(c); attach(c); focus(c); arrange(); } int main(int argc, char *argv[]) { if(argc == 2 && !strcmp("-v", argv[1])) eprint("dwm-"VERSION", © 2006-2008 dwm engineers, see LICENSE for details\n"); else if(argc != 1) eprint("usage: dwm [-v]\n"); setlocale(LC_CTYPE, ""); if(!(dpy = XOpenDisplay(0))) eprint("dwm: cannot open display\n"); checkotherwm(); setup(); scan(); run(); cleanup(); XCloseDisplay(dpy); return 0; }
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-19 06:19:43 +0000