dwm-meillo

view client.c @ 580:e9001b0f53bc

applied Jukka's stdinread patch
author arg@mig29
date Sun, 26 Nov 2006 13:31:36 +0100
parents fd1061442711
children 601842ee4484
line source
1 /* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
2 * See LICENSE file for license details.
3 */
4 #include "dwm.h"
5 #include <stdlib.h>
6 #include <string.h>
7 #include <X11/Xatom.h>
8 #include <X11/Xutil.h>
10 /* static functions */
12 static void
13 detachstack(Client *c) {
14 Client **tc;
15 for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
16 *tc = c->snext;
17 }
19 static void
20 grabbuttons(Client *c, Bool focused) {
21 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
23 if(focused) {
24 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
25 GrabModeAsync, GrabModeSync, None, None);
26 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
27 GrabModeAsync, GrabModeSync, None, None);
28 XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
29 GrabModeAsync, GrabModeSync, None, None);
30 XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
31 GrabModeAsync, GrabModeSync, None, None);
33 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
34 GrabModeAsync, GrabModeSync, None, None);
35 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
36 GrabModeAsync, GrabModeSync, None, None);
37 XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
38 GrabModeAsync, GrabModeSync, None, None);
39 XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
40 GrabModeAsync, GrabModeSync, None, None);
42 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
43 GrabModeAsync, GrabModeSync, None, None);
44 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
45 GrabModeAsync, GrabModeSync, None, None);
46 XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
47 GrabModeAsync, GrabModeSync, None, None);
48 XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
49 GrabModeAsync, GrabModeSync, None, None);
50 }
51 else
52 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
53 GrabModeAsync, GrabModeSync, None, None);
54 }
56 static int
57 xerrordummy(Display *dsply, XErrorEvent *ee) {
58 return 0;
59 }
61 /* extern functions */
63 void
64 ban(Client *c) {
65 XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
66 XMoveWindow(dpy, c->twin, c->tx + 2 * sw, c->ty);
67 }
69 void
70 configure(Client *c) {
71 XEvent synev;
73 synev.type = ConfigureNotify;
74 synev.xconfigure.display = dpy;
75 synev.xconfigure.event = c->win;
76 synev.xconfigure.window = c->win;
77 synev.xconfigure.x = c->x;
78 synev.xconfigure.y = c->y;
79 synev.xconfigure.width = c->w;
80 synev.xconfigure.height = c->h;
81 synev.xconfigure.border_width = c->border;
82 synev.xconfigure.above = None;
83 XSendEvent(dpy, c->win, True, NoEventMask, &synev);
84 }
86 void
87 focus(Client *c) {
88 Client *old;
90 if(!issel || (c && !isvisible(c)))
91 return;
92 if(!sel)
93 sel = c;
94 else if(sel != c) {
95 old = sel;
96 sel = c;
97 if(old) {
98 grabbuttons(old, False);
99 drawtitle(old);
100 }
101 }
102 if(c) {
103 detachstack(c);
104 c->snext = stack;
105 stack = c;
106 grabbuttons(c, True);
107 drawtitle(c);
108 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
109 }
110 else
111 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
112 }
114 Client *
115 getclient(Window w) {
116 Client *c;
118 for(c = clients; c; c = c->next)
119 if(c->win == w)
120 return c;
121 return NULL;
122 }
124 Client *
125 getctitle(Window w) {
126 Client *c;
128 for(c = clients; c; c = c->next)
129 if(c->twin == w)
130 return c;
131 return NULL;
132 }
134 void
135 gravitate(Client *c, Bool invert) {
136 int dx = 0, dy = 0;
138 switch(c->grav) {
139 default:
140 break;
141 case StaticGravity:
142 case NorthWestGravity:
143 case NorthGravity:
144 case NorthEastGravity:
145 dy = c->border;
146 break;
147 case EastGravity:
148 case CenterGravity:
149 case WestGravity:
150 dy = -(c->h / 2) + c->border;
151 break;
152 case SouthEastGravity:
153 case SouthGravity:
154 case SouthWestGravity:
155 dy = -(c->h);
156 break;
157 }
158 switch (c->grav) {
159 default:
160 break;
161 case StaticGravity:
162 case NorthWestGravity:
163 case WestGravity:
164 case SouthWestGravity:
165 dx = c->border;
166 break;
167 case NorthGravity:
168 case CenterGravity:
169 case SouthGravity:
170 dx = -(c->w / 2) + c->border;
171 break;
172 case NorthEastGravity:
173 case EastGravity:
174 case SouthEastGravity:
175 dx = -(c->w + c->border);
176 break;
177 }
178 if(invert) {
179 dx = -dx;
180 dy = -dy;
181 }
182 c->x += dx;
183 c->y += dy;
184 }
186 void
187 killclient(Arg *arg) {
188 if(!sel)
189 return;
190 if(sel->proto & PROTODELWIN)
191 sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
192 else
193 XKillClient(dpy, sel->win);
194 }
196 void
197 manage(Window w, XWindowAttributes *wa) {
198 Client *c;
199 Window trans;
200 XSetWindowAttributes twa;
202 c = emallocz(sizeof(Client));
203 c->tags = emallocz(ntags * sizeof(Bool));
204 c->win = w;
205 c->border = 0;
206 c->x = c->tx = wa->x;
207 c->y = c->ty = wa->y;
208 c->w = c->tw = wa->width;
209 c->h = wa->height;
210 c->th = bh;
211 updatesize(c);
212 if(c->x + c->w + 2 * BORDERPX > sw)
213 c->x = sw - c->w - 2 * BORDERPX;
214 if(c->x < sx)
215 c->x = sx;
216 if(c->y + c->h + 2 * BORDERPX > sh)
217 c->y = sh - c->h - 2 * BORDERPX;
218 if(c->h != sh && c->y < bh)
219 c->y = bh;
220 c->proto = getproto(c->win);
221 XSelectInput(dpy, c->win,
222 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
223 XGetTransientForHint(dpy, c->win, &trans);
224 twa.override_redirect = 1;
225 twa.background_pixmap = ParentRelative;
226 twa.event_mask = ExposureMask | EnterWindowMask;
227 c->twin = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
228 0, DefaultDepth(dpy, screen), CopyFromParent,
229 DefaultVisual(dpy, screen),
230 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
231 grabbuttons(c, False);
232 updatetitle(c);
233 settags(c, getclient(trans));
234 if(!c->isfloat)
235 c->isfloat = trans || c->isfixed;
236 resizetitle(c);
237 if(clients)
238 clients->prev = c;
239 c->next = clients;
240 c->snext = stack;
241 stack = clients = c;
242 ban(c);
243 XMapWindow(dpy, c->win);
244 XMapWindow(dpy, c->twin);
245 if(isvisible(c))
246 focus(c);
247 arrange();
248 }
250 void
251 resize(Client *c, Bool sizehints, Corner sticky) {
252 int bottom = c->y + c->h;
253 int right = c->x + c->w;
254 XWindowChanges wc;
256 if(sizehints) {
257 if(c->incw)
258 c->w -= (c->w - c->basew) % c->incw;
259 if(c->inch)
260 c->h -= (c->h - c->baseh) % c->inch;
261 if(c->minw && c->w < c->minw)
262 c->w = c->minw;
263 if(c->minh && c->h < c->minh)
264 c->h = c->minh;
265 if(c->maxw && c->w > c->maxw)
266 c->w = c->maxw;
267 if(c->maxh && c->h > c->maxh)
268 c->h = c->maxh;
269 }
270 if(sticky == TopRight || sticky == BotRight)
271 c->x = right - c->w;
272 if(sticky == BotLeft || sticky == BotRight)
273 c->y = bottom - c->h;
274 /* offscreen appearance fixes */
275 if(c->x + c->w < sx)
276 c->x = sx;
277 if(c->y + c->h < bh)
278 c->y = bh;
279 if(c->x > sw)
280 c->x = sw - c->w;
281 if(c->y > sh)
282 c->y = sh - c->h;
283 resizetitle(c);
284 wc.x = c->x;
285 wc.y = c->y;
286 wc.width = c->w;
287 wc.height = c->h;
288 if(c->w == sw && c->h == sh)
289 wc.border_width = 0;
290 else
291 wc.border_width = BORDERPX;
292 XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
293 configure(c);
294 XSync(dpy, False);
295 }
297 void
298 resizetitle(Client *c) {
299 c->tw = textw(c->name);
300 if(c->tw > c->w)
301 c->tw = c->w + 2 * BORDERPX;
302 c->tx = c->x + c->w - c->tw + 2 * BORDERPX;
303 c->ty = c->y;
304 if(isvisible(c))
305 XMoveResizeWindow(dpy, c->twin, c->tx, c->ty, c->tw, c->th);
306 else
307 XMoveResizeWindow(dpy, c->twin, c->tx + 2 * sw, c->ty, c->tw, c->th);
308 }
310 void
311 updatesize(Client *c) {
312 long msize;
313 XSizeHints size;
315 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
316 size.flags = PSize;
317 c->flags = size.flags;
318 if(c->flags & PBaseSize) {
319 c->basew = size.base_width;
320 c->baseh = size.base_height;
321 }
322 else
323 c->basew = c->baseh = 0;
324 if(c->flags & PResizeInc) {
325 c->incw = size.width_inc;
326 c->inch = size.height_inc;
327 }
328 else
329 c->incw = c->inch = 0;
330 if(c->flags & PMaxSize) {
331 c->maxw = size.max_width;
332 c->maxh = size.max_height;
333 }
334 else
335 c->maxw = c->maxh = 0;
336 if(c->flags & PMinSize) {
337 c->minw = size.min_width;
338 c->minh = size.min_height;
339 }
340 else
341 c->minw = c->minh = 0;
342 c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&
343 c->maxw == c->minw && c->maxh == c->minh);
344 if(c->flags & PWinGravity)
345 c->grav = size.win_gravity;
346 else
347 c->grav = NorthWestGravity;
348 }
350 void
351 updatetitle(Client *c) {
352 char **list = NULL;
353 int n;
354 XTextProperty name;
356 name.nitems = 0;
357 c->name[0] = 0;
358 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
359 if(!name.nitems)
360 XGetWMName(dpy, c->win, &name);
361 if(!name.nitems)
362 return;
363 if(name.encoding == XA_STRING)
364 strncpy(c->name, (char *)name.value, sizeof(c->name));
365 else {
366 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
367 && n > 0 && *list)
368 {
369 strncpy(c->name, *list, sizeof(c->name));
370 XFreeStringList(list);
371 }
372 }
373 XFree(name.value);
374 }
376 void
377 unmanage(Client *c) {
378 Client *nc;
380 /* The server grab construct avoids race conditions. */
381 XGrabServer(dpy);
382 XSetErrorHandler(xerrordummy);
383 detach(c);
384 detachstack(c);
385 if(sel == c) {
386 for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
387 focus(nc);
388 }
389 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
390 XDestroyWindow(dpy, c->twin);
391 free(c->tags);
392 free(c);
393 XSync(dpy, False);
394 XSetErrorHandler(xerror);
395 XUngrabServer(dpy);
396 arrange();
397 }