1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
2 * See LICENSE file for license details.
13 grabbuttons(Client *c, Bool focused) {
14 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
17 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
18 GrabModeAsync, GrabModeSync, None, None);
19 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
20 GrabModeAsync, GrabModeSync, None, None);
21 XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
22 GrabModeAsync, GrabModeSync, None, None);
23 XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
24 GrabModeAsync, GrabModeSync, None, None);
26 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
27 GrabModeAsync, GrabModeSync, None, None);
28 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
29 GrabModeAsync, GrabModeSync, None, None);
30 XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
31 GrabModeAsync, GrabModeSync, None, None);
32 XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
33 GrabModeAsync, GrabModeSync, None, None);
35 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
36 GrabModeAsync, GrabModeSync, None, None);
37 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
38 GrabModeAsync, GrabModeSync, None, None);
39 XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
40 GrabModeAsync, GrabModeSync, None, None);
41 XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
42 GrabModeAsync, GrabModeSync, None, None);
45 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
46 GrabModeAsync, GrabModeSync, None, None);
50 setclientstate(Client *c, long state) {
51 long data[] = {state, None};
52 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
53 PropModeReplace, (unsigned char *)data, 2);
57 xerrordummy(Display *dsply, XErrorEvent *ee) {
72 attachstack(Client *c) {
78 configure(Client *c) {
81 ce.type = ConfigureNotify;
89 ce.border_width = c->border;
91 ce.override_redirect = False;
92 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
98 c->prev->next = c->next;
100 c->next->prev = c->prev;
103 c->next = c->prev = NULL;
107 detachstack(Client *c) {
109 for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
115 if(c && !isvisible(c))
117 if(sel && sel != c) {
118 grabbuttons(sel, False);
119 XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
124 grabbuttons(c, True);
131 XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
132 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
135 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
139 getclient(Window w) {
142 for(c = clients; c; c = c->next)
149 isprotodel(Client *c) {
154 if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
155 for(i = 0; !ret && i < n; i++)
156 if(protocols[i] == wmatom[WMDelete])
164 killclient(Arg *arg) {
168 sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
170 XKillClient(dpy, sel->win);
174 manage(Window w, XWindowAttributes *wa) {
179 c = emallocz(sizeof(Client));
180 c->tags = emallocz(ntags * sizeof(Bool));
186 if(c->w == sw && c->h == sh) {
192 c->border = BORDERPX;
193 if(c->x + c->w + 2 * c->border > wax + waw)
194 c->x = wax + waw - c->w - 2 * c->border;
195 if(c->y + c->h + 2 * c->border > way + wah)
196 c->y = way + wah - c->h - 2 * c->border;
203 XSelectInput(dpy, c->win,
204 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
205 XGetTransientForHint(dpy, c->win, &trans);
206 grabbuttons(c, False);
207 wc.border_width = c->border;
208 XConfigureWindow(dpy, c->win, CWBorderWidth, &wc);
209 XSetWindowBorder(dpy, c->win, dc.norm[ColBorder]);
210 configure(c); /* propagates border_width, if size doesn't change */
212 t = getclient(trans);
215 c->isfloat = (t != 0) || c->isfixed;
219 XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
220 XMapWindow(dpy, c->win);
221 setclientstate(c, NormalState);
228 resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
229 float actual, dx, dy, max, min;
235 if(c->minw && w < c->minw)
237 if(c->minh && h < c->minh)
239 if(c->maxw && w > c->maxw)
241 if(c->maxh && h > c->maxh)
243 /* inspired by algorithm from fluxbox */
244 if(c->minay > 0 && c->maxay && (h - c->baseh) > 0) {
245 dx = (float)(w - c->basew);
246 dy = (float)(h - c->baseh);
247 min = (float)(c->minax) / (float)(c->minay);
248 max = (float)(c->maxax) / (float)(c->maxay);
250 if(max > 0 && min > 0 && actual > 0) {
252 dy = (dx * min + dy) / (min * min + 1);
254 w = (int)dx + c->basew;
255 h = (int)dy + c->baseh;
257 else if(actual > max) {
258 dy = (dx * min + dy) / (max * max + 1);
260 w = (int)dx + c->basew;
261 h = (int)dy + c->baseh;
266 w -= (w - c->basew) % c->incw;
268 h -= (h - c->baseh) % c->inch;
270 if(w == sw && h == sh)
273 c->border = BORDERPX;
274 /* offscreen appearance fixes */
276 x = sw - w - 2 * c->border;
278 y = sh - h - 2 * c->border;
279 if(x + w + 2 * c->border < sx)
281 if(y + h + 2 * c->border < sy)
283 if(c->x != x || c->y != y || c->w != w || c->h != h) {
287 c->h = wc.height = h;
288 wc.border_width = c->border;
289 XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
296 updatesizehints(Client *c) {
300 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
302 c->flags = size.flags;
303 if(c->flags & PBaseSize) {
304 c->basew = size.base_width;
305 c->baseh = size.base_height;
308 c->basew = c->baseh = 0;
309 if(c->flags & PResizeInc) {
310 c->incw = size.width_inc;
311 c->inch = size.height_inc;
314 c->incw = c->inch = 0;
315 if(c->flags & PMaxSize) {
316 c->maxw = size.max_width;
317 c->maxh = size.max_height;
320 c->maxw = c->maxh = 0;
321 if(c->flags & PMinSize) {
322 c->minw = size.min_width;
323 c->minh = size.min_height;
326 c->minw = c->minh = 0;
327 if(c->flags & PAspect) {
328 c->minax = size.min_aspect.x;
329 c->minay = size.min_aspect.y;
330 c->maxax = size.max_aspect.x;
331 c->maxay = size.max_aspect.y;
334 c->minax = c->minay = c->maxax = c->maxay = 0;
335 c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
336 && c->maxw == c->minw && c->maxh == c->minh);
340 updatetitle(Client *c) {
347 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
349 XGetWMName(dpy, c->win, &name);
352 if(name.encoding == XA_STRING)
353 strncpy(c->name, (char *)name.value, sizeof c->name);
355 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
358 strncpy(c->name, *list, sizeof c->name);
359 XFreeStringList(list);
366 unmanage(Client *c) {
369 /* The server grab construct avoids race conditions. */
371 XSetErrorHandler(xerrordummy);
375 for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
378 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
379 setclientstate(c, WithdrawnState);
383 XSetErrorHandler(xerror);