Mercurial > hg > index.fcgi > dwm > dwm-3.6.1-12pba

comparison event.c @ 0:7024076fa948

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author paulo@localhost
date Sun, 22 Mar 2009 23:26:35 -0700
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children de6bb7885c97
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-1:000000000000 0:c52074937cd6
1 /* (C)opyright MMVI-MMVII 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 <X11/keysym.h>
7 #include <X11/Xatom.h>
8
9 /* static */
10
11 typedef struct {
12 unsigned long mod;
13 KeySym keysym;
14 void (*func)(Arg *arg);
15 Arg arg;
16 } Key;
17
18 KEYS
19
20 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
21 #define MOUSEMASK (BUTTONMASK | PointerMotionMask)
22
23 static Client *
24 getclient(Window w) {
25 Client *c;
26
27 for(c = clients; c && c->win != w; c = c->next);
28 return c;
29 }
30
31 static void
32 movemouse(Client *c) {
33 int x1, y1, ocx, ocy, di, nx, ny;
34 unsigned int dui;
35 Window dummy;
36 XEvent ev;
37
38 ocx = nx = c->x;
39 ocy = ny = c->y;
40 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
41 None, cursor[CurMove], CurrentTime) != GrabSuccess)
42 return;
43 c->ismax = False;
44 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
45 for(;;) {
46 XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
47 switch (ev.type) {
48 case ButtonRelease:
49 XUngrabPointer(dpy, CurrentTime);
50 return;
51 case ConfigureRequest:
52 case Expose:
53 case MapRequest:
54 handler[ev.type](&ev);
55 break;
56 case MotionNotify:
57 XSync(dpy, False);
58 nx = ocx + (ev.xmotion.x - x1);
59 ny = ocy + (ev.xmotion.y - y1);
60 if(abs(wax + nx) < SNAP)
61 nx = wax;
62 else if(abs((wax + waw) - (nx + c->w + 2 * c->border)) < SNAP)
63 nx = wax + waw - c->w - 2 * c->border;
64 if(abs(way - ny) < SNAP)
65 ny = way;
66 else if(abs((way + wah) - (ny + c->h + 2 * c->border)) < SNAP)
67 ny = way + wah - c->h - 2 * c->border;
68 resize(c, nx, ny, c->w, c->h, False);
69 break;
70 }
71 }
72 }
73
74 static void
75 resizemouse(Client *c) {
76 int ocx, ocy;
77 int nw, nh;
78 XEvent ev;
79
80 ocx = c->x;
81 ocy = c->y;
82 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
83 None, cursor[CurResize], CurrentTime) != GrabSuccess)
84 return;
85 c->ismax = False;
86 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
87 for(;;) {
88 XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask , &ev);
89 switch(ev.type) {
90 case ButtonRelease:
91 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
92 c->w + c->border - 1, c->h + c->border - 1);
93 XUngrabPointer(dpy, CurrentTime);
94 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
95 return;
96 case ConfigureRequest:
97 case Expose:
98 case MapRequest:
99 handler[ev.type](&ev);
100 break;
101 case MotionNotify:
102 XSync(dpy, False);
103 if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
104 nw = 1;
105 if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
106 nh = 1;
107 resize(c, c->x, c->y, nw, nh, True);
108 break;
109 }
110 }
111 }
112
113 static void
114 buttonpress(XEvent *e) {
115 int x;
116 Arg a;
117 Client *c;
118 XButtonPressedEvent *ev = &e->xbutton;
119
120 if(barwin == ev->window) {
121 x = 0;
122 for(a.i = 0; a.i < ntags; a.i++) {
123 x += textw(tags[a.i]);
124 if(ev->x < x) {
125 if(ev->button == Button1) {
126 if(ev->state & MODKEY)
127 tag(&a);
128 else
129 view(&a);
130 }
131 else if(ev->button == Button3) {
132 if(ev->state & MODKEY)
133 toggletag(&a);
134 else
135 toggleview(&a);
136 }
137 return;
138 }
139 }
140 if(ev->x < x + blw)
141 switch(ev->button) {
142 case Button1:
143 a.i = -1;
144 setlayout(&a);
145 break;
146 case Button4:
147 a.i = 1;
148 incnmaster(&a);
149 break;
150 case Button5:
151 a.i = -1;
152 incnmaster(&a);
153 break;
154 }
155 if(ev->x > x + blw)
156 switch(ev->button) {
157 case Button1: zoom(NULL); break;
158 case Button2: toggleversatile(NULL); break;
159 case Button3: killclient(NULL); break;
160 case Button4: focusprev(NULL); break;
161 case Button5: focusnext(NULL); break;
162 }
163 }
164 else if((c = getclient(ev->window))) {
165 focus(c);
166 if(CLEANMASK(ev->state) != MODKEY)
167 return;
168 if(ev->button == Button1 && (lt->arrange == versatile || c->isversatile)) {
169 restack();
170 movemouse(c);
171 }
172 else if(ev->button == Button2)
173 zoom(NULL);
174 else if(ev->button == Button3
175 && (lt->arrange == versatile || c->isversatile) && !c->isfixed)
176 {
177 restack();
178 resizemouse(c);
179 }
180 }
181 }
182
183 static void
184 configurerequest(XEvent *e) {
185 Client *c;
186 XConfigureRequestEvent *ev = &e->xconfigurerequest;
187 XWindowChanges wc;
188
189 if((c = getclient(ev->window))) {
190 c->ismax = False;
191 if(ev->value_mask & CWBorderWidth)
192 c->border = ev->border_width;
193 if(c->isfixed || c->isversatile || (lt->arrange == versatile)) {
194 if(ev->value_mask & CWX)
195 c->x = ev->x;
196 if(ev->value_mask & CWY)
197 c->y = ev->y;
198 if(ev->value_mask & CWWidth)
199 c->w = ev->width;
200 if(ev->value_mask & CWHeight)
201 c->h = ev->height;
202 if((ev->value_mask & (CWX | CWY))
203 && !(ev->value_mask & (CWWidth | CWHeight)))
204 configure(c);
205 if(isvisible(c))
206 /* XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); */
207 resize(c, c->x, c->y, c->w, c->h, False);
208 }
209 else
210 configure(c);
211 }
212 else {
213 wc.x = ev->x;
214 wc.y = ev->y;
215 wc.width = ev->width;
216 wc.height = ev->height;
217 wc.border_width = ev->border_width;
218 wc.sibling = ev->above;
219 wc.stack_mode = ev->detail;
220 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
221 }
222 XSync(dpy, False);
223 }
224
225 static void
226 destroynotify(XEvent *e) {
227 Client *c;
228 XDestroyWindowEvent *ev = &e->xdestroywindow;
229
230 if((c = getclient(ev->window)))
231 unmanage(c);
232 }
233
234 static void
235 enternotify(XEvent *e) {
236 Client *c;
237 XCrossingEvent *ev = &e->xcrossing;
238
239 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
240 return;
241 if((c = getclient(ev->window)) && isvisible(c))
242 focus(c);
243 else if(ev->window == root) {
244 selscreen = True;
245 for(c = stack; c && !isvisible(c); c = c->snext);
246 focus(c);
247 }
248 }
249
250 static void
251 expose(XEvent *e) {
252 XExposeEvent *ev = &e->xexpose;
253
254 if(ev->count == 0) {
255 if(barwin == ev->window)
256 drawstatus();
257 }
258 }
259
260 static void
261 keypress(XEvent *e) {
262 static unsigned int len = sizeof key / sizeof key[0];
263 unsigned int i;
264 KeySym keysym;
265 XKeyEvent *ev = &e->xkey;
266
267 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
268 for(i = 0; i < len; i++)
269 if(keysym == key[i].keysym
270 && CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
271 {
272 if(key[i].func)
273 key[i].func(&key[i].arg);
274 }
275 }
276
277 static void
278 leavenotify(XEvent *e) {
279 XCrossingEvent *ev = &e->xcrossing;
280
281 if((ev->window == root) && !ev->same_screen) {
282 selscreen = False;
283 focus(NULL);
284 }
285 }
286
287 static void
288 mappingnotify(XEvent *e) {
289 XMappingEvent *ev = &e->xmapping;
290
291 XRefreshKeyboardMapping(ev);
292 if(ev->request == MappingKeyboard)
293 grabkeys();
294 }
295
296 static void
297 maprequest(XEvent *e) {
298 static XWindowAttributes wa;
299 XMapRequestEvent *ev = &e->xmaprequest;
300
301 if(!XGetWindowAttributes(dpy, ev->window, &wa))
302 return;
303 if(wa.override_redirect)
304 return;
305 if(!getclient(ev->window))
306 manage(ev->window, &wa);
307 }
308
309 static void
310 propertynotify(XEvent *e) {
311 Client *c;
312 Window trans;
313 XPropertyEvent *ev = &e->xproperty;
314
315 if(ev->state == PropertyDelete)
316 return; /* ignore */
317 if((c = getclient(ev->window))) {
318 switch (ev->atom) {
319 default: break;
320 case XA_WM_TRANSIENT_FOR:
321 XGetTransientForHint(dpy, c->win, &trans);
322 if(!c->isversatile && (c->isversatile = (getclient(trans) != NULL)))
323 lt->arrange();
324 break;
325 case XA_WM_NORMAL_HINTS:
326 updatesizehints(c);
327 break;
328 }
329 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
330 updatetitle(c);
331 if(c == sel)
332 drawstatus();
333 }
334 }
335 }
336
337 static void
338 unmapnotify(XEvent *e) {
339 Client *c;
340 XUnmapEvent *ev = &e->xunmap;
341
342 if((c = getclient(ev->window)))
343 unmanage(c);
344 }
345
346 /* extern */
347
348 void (*handler[LASTEvent]) (XEvent *) = {
349 [ButtonPress] = buttonpress,
350 [ConfigureRequest] = configurerequest,
351 [DestroyNotify] = destroynotify,
352 [EnterNotify] = enternotify,
353 [LeaveNotify] = leavenotify,
354 [Expose] = expose,
355 [KeyPress] = keypress,
356 [MappingNotify] = mappingnotify,
357 [MapRequest] = maprequest,
358 [PropertyNotify] = propertynotify,
359 [UnmapNotify] = unmapnotify
360 };
361
362 void
363 grabkeys(void) {
364 static unsigned int len = sizeof key / sizeof key[0];
365 unsigned int i;
366 KeyCode code;
367
368 XUngrabKey(dpy, AnyKey, AnyModifier, root);
369 for(i = 0; i < len; i++) {
370 code = XKeysymToKeycode(dpy, key[i].keysym);
371 XGrabKey(dpy, code, key[i].mod, root, True,
372 GrabModeAsync, GrabModeAsync);
373 XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
374 GrabModeAsync, GrabModeAsync);
375 XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
376 GrabModeAsync, GrabModeAsync);
377 XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
378 GrabModeAsync, GrabModeAsync);
379 }
380 }