summaryrefslogtreecommitdiff
path: root/app/cwm/xutil.c
blob: f2691ff2c1850581df68625b4013127ba9b3345e (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
/*
 * calmwm - the calm window manager
 *
 * Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * $OpenBSD: xutil.c,v 1.106 2016/09/30 18:28:06 okan Exp $
 */

#include <sys/types.h>
#include <sys/queue.h>

#include <err.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "calmwm.h"

void
xu_ptr_getpos(Window win, int *x, int *y)
{
	Window		 w0, w1;
	int		 tmp0, tmp1;
	unsigned int	 tmp2;

	XQueryPointer(X_Dpy, win, &w0, &w1, &tmp0, &tmp1, x, y, &tmp2);
}

void
xu_ptr_setpos(Window win, int x, int y)
{
	XWarpPointer(X_Dpy, None, win, 0, 0, 0, 0, x, y);
}

int
xu_getprop(Window win, Atom atm, Atom type, long len, unsigned char **p)
{
	Atom		 realtype;
	unsigned long	 n, extra;
	int		 format;

	if (XGetWindowProperty(X_Dpy, win, atm, 0L, len, False, type,
	    &realtype, &format, &n, &extra, p) != Success || *p == NULL)
		return(-1);

	if (n == 0)
		XFree(*p);

	return(n);
}

int
xu_getstrprop(Window win, Atom atm, char **text) {
	XTextProperty	 prop;
	char		**list;
	int		 nitems = 0;

	*text = NULL;

	XGetTextProperty(X_Dpy, win, &prop, atm);
	if (!prop.nitems)
		return(0);

	if (Xutf8TextPropertyToTextList(X_Dpy, &prop, &list,
	    &nitems) == Success && nitems > 0 && *list) {
		if (nitems > 1) {
			XTextProperty    prop2;
			if (Xutf8TextListToTextProperty(X_Dpy, list, nitems,
			    XUTF8StringStyle, &prop2) == Success) {
				*text = xstrdup((const char *)prop2.value);
				XFree(prop2.value);
			}
		} else {
			*text = xstrdup(*list);
		}
		XFreeStringList(list);
	}

	XFree(prop.value);

	return(nitems);
}

/* Root Window Properties */
void
xu_ewmh_net_supported(struct screen_ctx *sc)
{
	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_SUPPORTED],
	    XA_ATOM, 32, PropModeReplace, (unsigned char *)ewmh, EWMH_NITEMS);
}

void
xu_ewmh_net_supported_wm_check(struct screen_ctx *sc)
{
	Window	 w;

	w = XCreateSimpleWindow(X_Dpy, sc->rootwin, -1, -1, 1, 1, 0, 0, 0);
	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_SUPPORTING_WM_CHECK],
	    XA_WINDOW, 32, PropModeReplace, (unsigned char *)&w, 1);
	XChangeProperty(X_Dpy, w, ewmh[_NET_SUPPORTING_WM_CHECK],
	    XA_WINDOW, 32, PropModeReplace, (unsigned char *)&w, 1);
	XChangeProperty(X_Dpy, w, ewmh[_NET_WM_NAME],
	    cwmh[UTF8_STRING], 8, PropModeReplace, (unsigned char *)WMNAME,
	    strlen(WMNAME));
}

void
xu_ewmh_net_desktop_geometry(struct screen_ctx *sc)
{
	long	 geom[2] = { sc->view.w, sc->view.h };

	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_DESKTOP_GEOMETRY],
	    XA_CARDINAL, 32, PropModeReplace, (unsigned char *)geom , 2);
}

void
xu_ewmh_net_workarea(struct screen_ctx *sc)
{
	long	 workareas[CALMWM_NGROUPS][4];
	int	 i;

	for (i = 0; i < CALMWM_NGROUPS; i++) {
		workareas[i][0] = sc->work.x;
		workareas[i][1] = sc->work.y;
		workareas[i][2] = sc->work.w;
		workareas[i][3] = sc->work.h;
	}

	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_WORKAREA],
	    XA_CARDINAL, 32, PropModeReplace, (unsigned char *)workareas,
	    CALMWM_NGROUPS * 4);
}

void
xu_ewmh_net_client_list(struct screen_ctx *sc)
{
	struct client_ctx	*cc;
	Window			*winlist;
	int			 i = 0, j = 0;

	TAILQ_FOREACH(cc, &sc->clientq, entry)
		i++;
	if (i == 0)
		return;

	winlist = xreallocarray(NULL, i, sizeof(*winlist));
	TAILQ_FOREACH(cc, &sc->clientq, entry)
		winlist[j++] = cc->win;
	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_CLIENT_LIST],
	    XA_WINDOW, 32, PropModeReplace, (unsigned char *)winlist, i);
	free(winlist);
}

void
xu_ewmh_net_client_list_stacking(struct screen_ctx *sc)
{
	struct client_ctx	*cc;
	Window			*winlist;
	int			 i = 0, j;

	TAILQ_FOREACH(cc, &sc->clientq, entry)
		i++;
	if (i == 0)
		return;

	j = i;
	winlist = xreallocarray(NULL, i, sizeof(*winlist));
	TAILQ_FOREACH(cc, &sc->clientq, entry)
		winlist[--j] = cc->win;
	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_CLIENT_LIST_STACKING],
	    XA_WINDOW, 32, PropModeReplace, (unsigned char *)winlist, i);
	free(winlist);
}

void
xu_ewmh_net_active_window(struct screen_ctx *sc, Window w)
{
	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_ACTIVE_WINDOW],
	    XA_WINDOW, 32, PropModeReplace, (unsigned char *)&w, 1);
}

Window
xu_ewmh_get_net_active_window(struct screen_ctx *sc)
{
	long		*p;
	Window		 win;

	if ((xu_getprop(sc->rootwin, ewmh[_NET_ACTIVE_WINDOW],
	    XA_WINDOW, 32, (unsigned char **)&p)) <= 0)
		return(None);

	win = (Window)*p;
	XFree(p);

	return(win);
}

void
xu_ewmh_net_wm_desktop_viewport(struct screen_ctx *sc)
{
	long	 viewports[2] = {0, 0};

	/* We don't support large desktops, so this is (0, 0). */
	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_DESKTOP_VIEWPORT],
	    XA_CARDINAL, 32, PropModeReplace, (unsigned char *)viewports, 2);
}

void
xu_ewmh_net_wm_number_of_desktops(struct screen_ctx *sc)
{
	long	 ndesks = CALMWM_NGROUPS;

	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_NUMBER_OF_DESKTOPS],
	    XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&ndesks, 1);
}

void
xu_ewmh_net_showing_desktop(struct screen_ctx *sc)
{
	long	 zero = 0;

	/* We don't support `showing desktop' mode, so this is zero.
	 * Note that when we hide all groups, or when all groups are
	 * hidden we could technically set this later on.
	 */
	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_SHOWING_DESKTOP],
	    XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&zero, 1);
}

void
xu_ewmh_net_virtual_roots(struct screen_ctx *sc)
{
	/* We don't support virtual roots, so delete if set by previous wm. */
	XDeleteProperty(X_Dpy, sc->rootwin, ewmh[_NET_VIRTUAL_ROOTS]);
}

void
xu_ewmh_net_current_desktop(struct screen_ctx *sc)
{
	long	 num = sc->group_active->num;

	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_CURRENT_DESKTOP],
	    XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&num, 1);
}

void
xu_ewmh_net_desktop_names(struct screen_ctx *sc)
{
	struct group_ctx	*gc;
	char			*p, *q;
	unsigned char		*prop_ret;
	int			 i = 0, j = 0, nstrings = 0, n = 0;
	size_t			 len = 0, tlen, slen;

	/* Let group names be overwritten if _NET_DESKTOP_NAMES is set. */

	if ((j = xu_getprop(sc->rootwin, ewmh[_NET_DESKTOP_NAMES],
	    cwmh[UTF8_STRING], 0xffffff, (unsigned char **)&prop_ret)) > 0) {
		prop_ret[j - 1] = '\0'; /* paranoia */
		while (i < j) {
			if (prop_ret[i++] == '\0')
				nstrings++;
		}
	}

	p = (char *)prop_ret;
	while (n < nstrings) {
		TAILQ_FOREACH(gc, &sc->groupq, entry) {
			if (gc->num == n) {
				free(gc->name);
				gc->name = xstrdup(p);
				p += strlen(p) + 1;
				break;
			}
		}
		n++;
	}
	if (prop_ret != NULL)
		XFree(prop_ret);

	TAILQ_FOREACH(gc, &sc->groupq, entry)
		len += strlen(gc->name) + 1;
	q = p = xreallocarray(NULL, len, sizeof(*p));

	tlen = len;
	TAILQ_FOREACH(gc, &sc->groupq, entry) {
		slen = strlen(gc->name) + 1;
		(void)strlcpy(q, gc->name, tlen);
		tlen -= slen;
		q += slen;
	}

	XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_DESKTOP_NAMES],
	    cwmh[UTF8_STRING], 8, PropModeReplace, (unsigned char *)p, len);
	free(p);
}

/* Application Window Properties */
void
xu_ewmh_net_wm_desktop(struct client_ctx *cc)
{
	long	 num = 0xffffffff;

	if (cc->gc)
		num = cc->gc->num;

	XChangeProperty(X_Dpy, cc->win, ewmh[_NET_WM_DESKTOP],
	    XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&num, 1);
}

Atom *
xu_ewmh_get_net_wm_state(struct client_ctx *cc, int *n)
{
	Atom	*state, *p = NULL;

	if ((*n = xu_getprop(cc->win, ewmh[_NET_WM_STATE], XA_ATOM, 64L,
	    (unsigned char **)&p)) <= 0)
		return(NULL);

	state = xreallocarray(NULL, *n, sizeof(Atom));
	(void)memcpy(state, p, *n * sizeof(Atom));
	XFree((char *)p);

	return(state);
}

void
xu_ewmh_handle_net_wm_state_msg(struct client_ctx *cc, int action,
    Atom first, Atom second)
{
	unsigned int i;
	static struct handlers {
		int atom;
		int property;
		void (*toggle)(struct client_ctx *);
	} handlers[] = {
		{ _NET_WM_STATE_STICKY,
			CLIENT_STICKY,
			client_toggle_sticky },
		{ _NET_WM_STATE_MAXIMIZED_VERT,
			CLIENT_VMAXIMIZED,
			client_toggle_vmaximize },
		{ _NET_WM_STATE_MAXIMIZED_HORZ,
			CLIENT_HMAXIMIZED,
			client_toggle_hmaximize },
		{ _NET_WM_STATE_HIDDEN,
			CLIENT_HIDDEN,
			client_toggle_hidden },
		{ _NET_WM_STATE_FULLSCREEN,
			CLIENT_FULLSCREEN,
			client_toggle_fullscreen },
		{ _NET_WM_STATE_DEMANDS_ATTENTION,
			CLIENT_URGENCY,
			client_urgency },
		{ _CWM_WM_STATE_FREEZE,
			CLIENT_FREEZE,
			client_toggle_freeze },
	};

	for (i = 0; i < nitems(handlers); i++) {
		if (first != ewmh[handlers[i].atom] &&
		    second != ewmh[handlers[i].atom])
			continue;
		switch (action) {
		case _NET_WM_STATE_ADD:
			if (!(cc->flags & handlers[i].property))
				handlers[i].toggle(cc);
			break;
		case _NET_WM_STATE_REMOVE:
			if (cc->flags & handlers[i].property)
				handlers[i].toggle(cc);
			break;
		case _NET_WM_STATE_TOGGLE:
			handlers[i].toggle(cc);
		}
	}
}

void
xu_ewmh_restore_net_wm_state(struct client_ctx *cc)
{
	Atom	*atoms;
	int	 i, n;

	atoms = xu_ewmh_get_net_wm_state(cc, &n);
	for (i = 0; i < n; i++) {
		if (atoms[i] == ewmh[_NET_WM_STATE_STICKY])
			client_toggle_sticky(cc);
		if (atoms[i] == ewmh[_NET_WM_STATE_MAXIMIZED_VERT])
			client_toggle_vmaximize(cc);
		if (atoms[i] == ewmh[_NET_WM_STATE_MAXIMIZED_HORZ])
			client_toggle_hmaximize(cc);
		if (atoms[i] == ewmh[_NET_WM_STATE_HIDDEN])
			client_toggle_hidden(cc);
		if (atoms[i] == ewmh[_NET_WM_STATE_FULLSCREEN])
			client_toggle_fullscreen(cc);
		if (atoms[i] == ewmh[_NET_WM_STATE_DEMANDS_ATTENTION])
			client_urgency(cc);
		if (atoms[i] == ewmh[_CWM_WM_STATE_FREEZE])
			client_toggle_freeze(cc);
	}
	free(atoms);
}

void
xu_ewmh_set_net_wm_state(struct client_ctx *cc)
{
	Atom	*atoms, *oatoms;
	int	 n, i, j;

	oatoms = xu_ewmh_get_net_wm_state(cc, &n);
	atoms = xreallocarray(NULL, (n + _NET_WM_STATES_NITEMS), sizeof(Atom));
	for (i = j = 0; i < n; i++) {
		if (oatoms[i] != ewmh[_NET_WM_STATE_STICKY] &&
		    oatoms[i] != ewmh[_NET_WM_STATE_MAXIMIZED_VERT] &&
		    oatoms[i] != ewmh[_NET_WM_STATE_MAXIMIZED_HORZ] &&
		    oatoms[i] != ewmh[_NET_WM_STATE_HIDDEN] &&
		    oatoms[i] != ewmh[_NET_WM_STATE_FULLSCREEN] &&
		    oatoms[i] != ewmh[_NET_WM_STATE_DEMANDS_ATTENTION] &&
		    oatoms[i] != ewmh[_CWM_WM_STATE_FREEZE])
			atoms[j++] = oatoms[i];
	}
	free(oatoms);
	if (cc->flags & CLIENT_STICKY)
		atoms[j++] = ewmh[_NET_WM_STATE_STICKY];
	if (cc->flags & CLIENT_HIDDEN)
		atoms[j++] = ewmh[_NET_WM_STATE_HIDDEN];
	if (cc->flags & CLIENT_FULLSCREEN)
		atoms[j++] = ewmh[_NET_WM_STATE_FULLSCREEN];
	else {
		if (cc->flags & CLIENT_VMAXIMIZED)
			atoms[j++] = ewmh[_NET_WM_STATE_MAXIMIZED_VERT];
		if (cc->flags & CLIENT_HMAXIMIZED)
			atoms[j++] = ewmh[_NET_WM_STATE_MAXIMIZED_HORZ];
	}
	if (cc->flags & CLIENT_URGENCY)
		atoms[j++] = ewmh[_NET_WM_STATE_DEMANDS_ATTENTION];
	if (cc->flags & CLIENT_FREEZE)
		atoms[j++] = ewmh[_CWM_WM_STATE_FREEZE];
	if (j > 0)
		XChangeProperty(X_Dpy, cc->win, ewmh[_NET_WM_STATE],
		    XA_ATOM, 32, PropModeReplace, (unsigned char *)atoms, j);
	else
		XDeleteProperty(X_Dpy, cc->win, ewmh[_NET_WM_STATE]);
	free(atoms);
}

void
xu_xorcolor(XftColor a, XftColor b, XftColor *r)
{
	r->pixel = a.pixel ^ b.pixel;
	r->color.red = a.color.red ^ b.color.red;
	r->color.green = a.color.green ^ b.color.green;
	r->color.blue = a.color.blue ^ b.color.blue;
	r->color.alpha = 0xffff;
}