1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
2 * See LICENSE file for license details.
13 detachstack(Client *c) {
15 for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
20 grabbuttons(Client *c, Bool focused) {
21 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
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);
52 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
53 GrabModeAsync, GrabModeSync, None, None);
57 setclientstate(Client *c, long state) {
58 long data[] = {state, None};
59 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
60 PropModeReplace, (unsigned char *)data, 2);
64 xerrordummy(Display *dsply, XErrorEvent *ee) {
75 XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
79 configure(Client *c) {
82 ce.type = ConfigureNotify;
90 ce.border_width = c->border;
92 ce.override_redirect = False;
93 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
98 if(c && !isvisible(c))
100 if(sel && sel != c) {
101 grabbuttons(sel, False);
102 XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
108 grabbuttons(c, True);
115 XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
116 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
119 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
123 getclient(Window w) {
126 for(c = clients; c; c = c->next)
133 isprotodel(Client *c) {
138 if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
139 for(i = 0; !ret && i < n; i++)
140 if(protocols[i] == wmatom[WMDelete])
148 killclient(Arg *arg) {
152 sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
154 XKillClient(dpy, sel->win);
158 manage(Window w, XWindowAttributes *wa) {
162 c = emallocz(sizeof(Client));
163 c->tags = emallocz(ntags * sizeof(Bool));
169 if(c->w == sw && c->h == sh) {
175 c->border = BORDERPX;
176 if(c->x + c->w + 2 * c->border > wax + waw)
177 c->x = wax + waw - c->w - 2 * c->border;
178 if(c->y + c->h + 2 * c->border > way + wah)
179 c->y = way + wah - c->h - 2 * c->border;
186 XSelectInput(dpy, c->win,
187 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
188 XGetTransientForHint(dpy, c->win, &trans);
189 grabbuttons(c, False);
190 XSetWindowBorder(dpy, c->win, dc.norm[ColBorder]);
192 t = getclient(trans);
195 c->isfloat = (t != 0) || c->isfixed;
202 XMapWindow(dpy, c->win);
203 setclientstate(c, NormalState);
210 resize(Client *c, Bool sizehints) {
211 float actual, dx, dy, max, min;
214 if(c->w <= 0 || c->h <= 0)
217 if(c->minw && c->w < c->minw)
219 if(c->minh && c->h < c->minh)
221 if(c->maxw && c->w > c->maxw)
223 if(c->maxh && c->h > c->maxh)
225 /* inspired by algorithm from fluxbox */
226 if(c->minay > 0 && c->maxay && (c->h - c->baseh) > 0) {
227 dx = (float)(c->w - c->basew);
228 dy = (float)(c->h - c->baseh);
229 min = (float)(c->minax) / (float)(c->minay);
230 max = (float)(c->maxax) / (float)(c->maxay);
232 if(max > 0 && min > 0 && actual > 0) {
234 dy = (dx * min + dy) / (min * min + 1);
236 c->w = (int)dx + c->basew;
237 c->h = (int)dy + c->baseh;
239 else if(actual > max) {
240 dy = (dx * min + dy) / (max * max + 1);
242 c->w = (int)dx + c->basew;
243 c->h = (int)dy + c->baseh;
248 c->w -= (c->w - c->basew) % c->incw;
250 c->h -= (c->h - c->baseh) % c->inch;
252 if(c->w == sw && c->h == sh)
255 c->border = BORDERPX;
256 /* offscreen appearance fixes */
258 c->x = sw - c->w - 2 * c->border;
260 c->y = sh - c->h - 2 * c->border;
261 if(c->x + c->w + 2 * c->border < sx)
263 if(c->y + c->h + 2 * c->border < sy)
269 wc.border_width = c->border;
270 XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
276 updatesizehints(Client *c) {
280 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
282 c->flags = size.flags;
283 if(c->flags & PBaseSize) {
284 c->basew = size.base_width;
285 c->baseh = size.base_height;
288 c->basew = c->baseh = 0;
289 if(c->flags & PResizeInc) {
290 c->incw = size.width_inc;
291 c->inch = size.height_inc;
294 c->incw = c->inch = 0;
295 if(c->flags & PMaxSize) {
296 c->maxw = size.max_width;
297 c->maxh = size.max_height;
300 c->maxw = c->maxh = 0;
301 if(c->flags & PMinSize) {
302 c->minw = size.min_width;
303 c->minh = size.min_height;
306 c->minw = c->minh = 0;
307 if(c->flags & PAspect) {
308 c->minax = size.min_aspect.x;
309 c->minay = size.min_aspect.y;
310 c->maxax = size.max_aspect.x;
311 c->maxay = size.max_aspect.y;
314 c->minax = c->minay = c->maxax = c->maxay = 0;
315 c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
316 && c->maxw == c->minw && c->maxh == c->minh);
320 updatetitle(Client *c) {
327 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
329 XGetWMName(dpy, c->win, &name);
332 if(name.encoding == XA_STRING)
333 strncpy(c->name, (char *)name.value, sizeof c->name);
335 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
338 strncpy(c->name, *list, sizeof c->name);
339 XFreeStringList(list);
346 unmanage(Client *c) {
349 /* The server grab construct avoids race conditions. */
351 XSetErrorHandler(xerrordummy);
355 for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
358 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
359 setclientstate(c, WithdrawnState);
363 XSetErrorHandler(xerror);