1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
2 * See LICENSE file for license details.
13 attachstack(Client *c) {
19 detachstack(Client *c) {
22 for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
27 grabbuttons(Client *c, Bool focused) {
28 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
31 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
32 GrabModeAsync, GrabModeSync, None, None);
33 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
34 GrabModeAsync, GrabModeSync, None, None);
35 XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
36 GrabModeAsync, GrabModeSync, None, None);
37 XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
38 GrabModeAsync, GrabModeSync, None, None);
40 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
41 GrabModeAsync, GrabModeSync, None, None);
42 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
43 GrabModeAsync, GrabModeSync, None, None);
44 XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
45 GrabModeAsync, GrabModeSync, None, None);
46 XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
47 GrabModeAsync, GrabModeSync, None, None);
49 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
50 GrabModeAsync, GrabModeSync, None, None);
51 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
52 GrabModeAsync, GrabModeSync, None, None);
53 XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
54 GrabModeAsync, GrabModeSync, None, None);
55 XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
56 GrabModeAsync, GrabModeSync, None, None);
59 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
60 GrabModeAsync, GrabModeSync, None, None);
64 isprotodel(Client *c) {
69 if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
70 for(i = 0; !ret && i < n; i++)
71 if(protocols[i] == wmatom[WMDelete])
79 setclientstate(Client *c, long state) {
80 long data[] = {state, None};
82 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
83 PropModeReplace, (unsigned char *)data, 2);
87 xerrordummy(Display *dsply, XErrorEvent *ee) {
102 configure(Client *c) {
105 ce.type = ConfigureNotify;
113 ce.border_width = c->border;
115 ce.override_redirect = False;
116 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
122 c->prev->next = c->next;
124 c->next->prev = c->prev;
127 c->next = c->prev = NULL;
132 if(c && !isvisible(c))
134 if(sel && sel != c) {
135 grabbuttons(sel, False);
136 XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
141 grabbuttons(c, True);
148 XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
149 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
152 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
156 killclient(const char *arg) {
161 if(isprotodel(sel)) {
162 ev.type = ClientMessage;
163 ev.xclient.window = sel->win;
164 ev.xclient.message_type = wmatom[WMProtocols];
165 ev.xclient.format = 32;
166 ev.xclient.data.l[0] = wmatom[WMDelete];
167 ev.xclient.data.l[1] = CurrentTime;
168 XSendEvent(dpy, sel->win, False, NoEventMask, &ev);
171 XKillClient(dpy, sel->win);
175 manage(Window w, XWindowAttributes *wa) {
180 c = emallocz(sizeof(Client));
181 c->tags = emallocz(ntags * sizeof(Bool));
187 if(c->w == sw && c->h == sh) {
193 c->border = BORDERPX;
194 if(c->x + c->w + 2 * c->border > wax + waw)
195 c->x = wax + waw - c->w - 2 * c->border;
196 if(c->y + c->h + 2 * c->border > way + wah)
197 c->y = way + wah - c->h - 2 * c->border;
205 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
206 XGetTransientForHint(dpy, w, &trans);
207 grabbuttons(c, False);
208 wc.border_width = c->border;
209 XConfigureWindow(dpy, w, CWBorderWidth, &wc);
210 XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
211 configure(c); /* propagates border_width, if size doesn't change */
213 for(t = clients; t && t->win != trans; t = t->next);
216 c->isfloating = (t != NULL) || c->isfixed;
220 XMoveWindow(dpy, w, c->x + 2 * sw, c->y);
222 setclientstate(c, NormalState);
229 resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
230 float actual, dx, dy, max, min;
236 if(c->minw && w < c->minw)
238 if(c->minh && h < c->minh)
240 if(c->maxw && w > c->maxw)
242 if(c->maxh && h > c->maxh)
244 /* inspired by algorithm from fluxbox */
245 if(c->minay > 0 && c->maxay && (h - c->baseh) > 0) {
246 dx = (float)(w - c->basew);
247 dy = (float)(h - c->baseh);
248 min = (float)(c->minax) / (float)(c->minay);
249 max = (float)(c->maxax) / (float)(c->maxay);
251 if(max > 0 && min > 0 && actual > 0) {
253 dy = (dx * min + dy) / (min * min + 1);
255 w = (int)dx + c->basew;
256 h = (int)dy + c->baseh;
258 else if(actual > max) {
259 dy = (dx * min + dy) / (max * max + 1);
261 w = (int)dx + c->basew;
262 h = (int)dy + c->baseh;
267 w -= (w - c->basew) % c->incw;
269 h -= (h - c->baseh) % c->inch;
271 if(w == sw && h == sh)
274 c->border = BORDERPX;
275 /* offscreen appearance fixes */
277 x = sw - w - 2 * c->border;
279 y = sh - h - 2 * c->border;
280 if(x + w + 2 * c->border < sx)
282 if(y + h + 2 * c->border < sy)
284 if(c->x != x || c->y != y || c->w != w || c->h != h) {
288 c->h = wc.height = h;
289 wc.border_width = c->border;
290 XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
297 togglefloating(const char *arg) {
298 if(!sel || lt->arrange == floating)
300 sel->isfloating = !sel->isfloating;
305 updatesizehints(Client *c) {
309 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
311 c->flags = size.flags;
312 if(c->flags & PBaseSize) {
313 c->basew = size.base_width;
314 c->baseh = size.base_height;
317 c->basew = c->baseh = 0;
318 if(c->flags & PResizeInc) {
319 c->incw = size.width_inc;
320 c->inch = size.height_inc;
323 c->incw = c->inch = 0;
324 if(c->flags & PMaxSize) {
325 c->maxw = size.max_width;
326 c->maxh = size.max_height;
329 c->maxw = c->maxh = 0;
330 if(c->flags & PMinSize) {
331 c->minw = size.min_width;
332 c->minh = size.min_height;
335 c->minw = c->minh = 0;
336 if(c->flags & PAspect) {
337 c->minax = size.min_aspect.x;
338 c->minay = size.min_aspect.y;
339 c->maxax = size.max_aspect.x;
340 c->maxay = size.max_aspect.y;
343 c->minax = c->minay = c->maxax = c->maxay = 0;
344 c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
345 && c->maxw == c->minw && c->maxh == c->minh);
349 updatetitle(Client *c) {
356 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
358 XGetWMName(dpy, c->win, &name);
361 if(name.encoding == XA_STRING)
362 strncpy(c->name, (char *)name.value, sizeof c->name);
364 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
367 strncpy(c->name, *list, sizeof c->name);
368 XFreeStringList(list);
375 unmanage(Client *c) {
378 /* The server grab construct avoids race conditions. */
380 XSetErrorHandler(xerrordummy);
384 for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
387 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
388 setclientstate(c, WithdrawnState);
392 XSetErrorHandler(xerror);