Button3 click on mode label toggles stack position now
[dwm.git] / event.c
1 /*
2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
3 * See LICENSE file for license details.
4 */
5 #include "dwm.h"
6 #include <stdlib.h>
7 #include <X11/keysym.h>
8 #include <X11/Xatom.h>
9
10 /* static */
11
12 typedef struct {
13 unsigned long mod;
14 KeySym keysym;
15 void (*func)(Arg *arg);
16 Arg arg;
17 } Key;
18
19 KEYS
20
21 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
22
23 static void
24 movemouse(Client *c) {
25 int x1, y1, ocx, ocy, di;
26 unsigned int dui;
27 Window dummy;
28 XEvent ev;
29
30 ocx = c->x;
31 ocy = c->y;
32 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
33 None, cursor[CurMove], CurrentTime) != GrabSuccess)
34 return;
35 c->ismax = False;
36 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
37 for(;;) {
38 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
39 switch (ev.type) {
40 case ButtonRelease:
41 resize(c, True, TopLeft);
42 XUngrabPointer(dpy, CurrentTime);
43 return;
44 case Expose:
45 handler[Expose](&ev);
46 break;
47 case MotionNotify:
48 XSync(dpy, False);
49 c->x = ocx + (ev.xmotion.x - x1);
50 c->y = ocy + (ev.xmotion.y - y1);
51 resize(c, False, TopLeft);
52 break;
53 }
54 }
55 }
56
57 static void
58 resizemouse(Client *c) {
59 int ocx, ocy;
60 int nw, nh;
61 Corner sticky;
62 XEvent ev;
63
64 ocx = c->x;
65 ocy = c->y;
66 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
67 None, cursor[CurResize], CurrentTime) != GrabSuccess)
68 return;
69 c->ismax = False;
70 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
71 for(;;) {
72 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
73 switch(ev.type) {
74 case ButtonRelease:
75 resize(c, True, TopLeft);
76 XUngrabPointer(dpy, CurrentTime);
77 return;
78 case Expose:
79 handler[Expose](&ev);
80 break;
81 case MotionNotify:
82 XSync(dpy, False);
83 if((nw = abs(ocx - ev.xmotion.x)))
84 c->w = nw;
85 if((nh = abs(ocy - ev.xmotion.y)))
86 c->h = nh;
87 c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
88 c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
89 if(ocx <= ev.xmotion.x)
90 sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
91 else
92 sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
93 resize(c, True, sticky);
94 break;
95 }
96 }
97 }
98
99 static void
100 buttonpress(XEvent *e) {
101 int x;
102 Arg a;
103 Client *c;
104 XButtonPressedEvent *ev = &e->xbutton;
105
106 if(barwin == ev->window) {
107 x = 0;
108 for(a.i = 0; a.i < ntags; a.i++) {
109 x += textw(tags[a.i]);
110 if(ev->x < x) {
111 if(ev->button == Button1) {
112 if(ev->state & MODKEY)
113 tag(&a);
114 else
115 view(&a);
116 }
117 else if(ev->button == Button3) {
118 if(ev->state & MODKEY)
119 toggletag(&a);
120 else
121 toggleview(&a);
122 }
123 return;
124 }
125 }
126 if(ev->x < x + bmw) {
127 if(ev->button == Button1)
128 togglemode(NULL);
129 else if(ev->button == Button3)
130 togglestackpos(NULL);
131 }
132 }
133 else if((c = getclient(ev->window))) {
134 focus(c);
135 if(CLEANMASK(ev->state) != MODKEY)
136 return;
137 if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {
138 restack();
139 movemouse(c);
140 }
141 else if(ev->button == Button2)
142 zoom(NULL);
143 else if(ev->button == Button3 && (arrange == dofloat || c->isfloat)) {
144 restack();
145 resizemouse(c);
146 }
147 }
148 }
149
150 static void
151 configurerequest(XEvent *e) {
152 unsigned long newmask;
153 Client *c;
154 XConfigureRequestEvent *ev = &e->xconfigurerequest;
155 XWindowChanges wc;
156
157 if((c = getclient(ev->window))) {
158 c->ismax = False;
159 gravitate(c, True);
160 if(ev->value_mask & CWX)
161 c->x = ev->x;
162 if(ev->value_mask & CWY)
163 c->y = ev->y;
164 if(ev->value_mask & CWWidth)
165 c->w = ev->width;
166 if(ev->value_mask & CWHeight)
167 c->h = ev->height;
168 if(ev->value_mask & CWBorderWidth)
169 c->border = ev->border_width;
170 gravitate(c, False);
171 wc.x = c->x;
172 wc.y = c->y;
173 wc.width = c->w;
174 wc.height = c->h;
175 newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
176 if(newmask)
177 XConfigureWindow(dpy, c->win, newmask, &wc);
178 else
179 configure(c);
180 XSync(dpy, False);
181 if(c->isfloat) {
182 resize(c, False, TopLeft);
183 if(!isvisible(c))
184 ban(c);
185 }
186 else
187 arrange(NULL);
188 }
189 else {
190 wc.x = ev->x;
191 wc.y = ev->y;
192 wc.width = ev->width;
193 wc.height = ev->height;
194 wc.border_width = ev->border_width;
195 wc.sibling = ev->above;
196 wc.stack_mode = ev->detail;
197 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
198 XSync(dpy, False);
199 }
200 }
201
202 static void
203 destroynotify(XEvent *e) {
204 Client *c;
205 XDestroyWindowEvent *ev = &e->xdestroywindow;
206
207 if((c = getclient(ev->window)))
208 unmanage(c);
209 }
210
211 static void
212 enternotify(XEvent *e) {
213 Client *c;
214 XCrossingEvent *ev = &e->xcrossing;
215
216 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
217 return;
218
219 if(((c = getclient(ev->window)) || (c = getctitle(ev->window))) && isvisible(c))
220 focus(c);
221 else if(ev->window == root) {
222 issel = True;
223 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
224 drawall();
225 }
226 }
227
228 static void
229 expose(XEvent *e) {
230 Client *c;
231 XExposeEvent *ev = &e->xexpose;
232
233 if(ev->count == 0) {
234 if(barwin == ev->window)
235 drawstatus();
236 else if((c = getctitle(ev->window)))
237 drawtitle(c);
238 }
239 }
240
241 static void
242 keypress(XEvent *e) {
243 static unsigned int len = sizeof(key) / sizeof(key[0]);
244 unsigned int i;
245 KeySym keysym;
246 XKeyEvent *ev = &e->xkey;
247
248 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
249 for(i = 0; i < len; i++) {
250 if(keysym == key[i].keysym
251 && CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
252 {
253 if(key[i].func)
254 key[i].func(&key[i].arg);
255 return;
256 }
257 }
258 }
259
260 static void
261 leavenotify(XEvent *e) {
262 XCrossingEvent *ev = &e->xcrossing;
263
264 if((ev->window == root) && !ev->same_screen) {
265 issel = False;
266 drawall();
267 }
268 }
269
270 static void
271 mappingnotify(XEvent *e) {
272 XMappingEvent *ev = &e->xmapping;
273
274 XRefreshKeyboardMapping(ev);
275 if(ev->request == MappingKeyboard)
276 grabkeys();
277 }
278
279 static void
280 maprequest(XEvent *e) {
281 static XWindowAttributes wa;
282 XMapRequestEvent *ev = &e->xmaprequest;
283
284 if(!XGetWindowAttributes(dpy, ev->window, &wa))
285 return;
286
287 if(wa.override_redirect) {
288 XSelectInput(dpy, ev->window,
289 (StructureNotifyMask | PropertyChangeMask));
290 return;
291 }
292
293 if(!getclient(ev->window))
294 manage(ev->window, &wa);
295 }
296
297 static void
298 propertynotify(XEvent *e) {
299 Client *c;
300 Window trans;
301 XPropertyEvent *ev = &e->xproperty;
302
303 if(ev->state == PropertyDelete)
304 return; /* ignore */
305
306 if((c = getclient(ev->window))) {
307 if(ev->atom == wmatom[WMProtocols]) {
308 c->proto = getproto(c->win);
309 return;
310 }
311 switch (ev->atom) {
312 default: break;
313 case XA_WM_TRANSIENT_FOR:
314 XGetTransientForHint(dpy, c->win, &trans);
315 if(!c->isfloat && (c->isfloat = (trans != 0)))
316 arrange(NULL);
317 break;
318 case XA_WM_NORMAL_HINTS:
319 updatesize(c);
320 break;
321 }
322 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
323 updatetitle(c);
324 resizetitle(c);
325 drawtitle(c);
326 }
327 }
328 }
329
330 static void
331 unmapnotify(XEvent *e) {
332 Client *c;
333 XUnmapEvent *ev = &e->xunmap;
334
335 if((c = getclient(ev->window)))
336 unmanage(c);
337 }
338
339 /* extern */
340
341 void (*handler[LASTEvent]) (XEvent *) = {
342 [ButtonPress] = buttonpress,
343 [ConfigureRequest] = configurerequest,
344 [DestroyNotify] = destroynotify,
345 [EnterNotify] = enternotify,
346 [LeaveNotify] = leavenotify,
347 [Expose] = expose,
348 [KeyPress] = keypress,
349 [MappingNotify] = mappingnotify,
350 [MapRequest] = maprequest,
351 [PropertyNotify] = propertynotify,
352 [UnmapNotify] = unmapnotify
353 };
354
355 void
356 grabkeys(void) {
357 static unsigned int len = sizeof(key) / sizeof(key[0]);
358 unsigned int i;
359 KeyCode code;
360
361 XUngrabKey(dpy, AnyKey, AnyModifier, root);
362 for(i = 0; i < len; i++) {
363 code = XKeysymToKeycode(dpy, key[i].keysym);
364 XGrabKey(dpy, code, key[i].mod, root, True,
365 GrabModeAsync, GrabModeAsync);
366 XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
367 GrabModeAsync, GrabModeAsync);
368 XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
369 GrabModeAsync, GrabModeAsync);
370 XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
371 GrabModeAsync, GrabModeAsync);
372 }
373 }
374
375 void
376 procevent(void) {
377 XEvent ev;
378
379 while(XPending(dpy)) {
380 XNextEvent(dpy, &ev);
381 if(handler[ev.type])
382 (handler[ev.type])(&ev); /* call handler */
383 }
384 }