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view event.c @ 157:93012e947eae

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renamed WM_PROTOCOL_DELWIN into PROTODELWIN
author arg@10ksloc.org
date Tue, 01 Aug 2006 16:44:23 +0200
parents 332fcc6d4f88
children 4e42dfc0f61f
line source
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
7 #include <stdlib.h>
8 #include <X11/keysym.h>
9 #include <X11/Xatom.h>
10
11 /* static */
12
13 typedef struct {
14 unsigned long mod;
15 KeySym keysym;
16 void (*func)(Arg *arg);
17 Arg arg;
18 } Key;
19
20 KEYS
21
22 static unsigned int valid_mask = 255 & ~(NUMLOCKMASK | LockMask);
23
24 static void
25 movemouse(Client *c)
26 {
27 int x1, y1, ocx, ocy, di;
28 unsigned int dui;
29 Window dummy;
30 XEvent ev;
31
32 ocx = c->x;
33 ocy = c->y;
34 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
35 None, cursor[CurMove], CurrentTime) != GrabSuccess)
36 return;
37 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
38 for(;;) {
39 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
40 switch (ev.type) {
41 default: break;
42 case Expose:
43 handler[Expose](&ev);
44 break;
45 case MotionNotify:
46 XSync(dpy, False);
47 c->x = ocx + (ev.xmotion.x - x1);
48 c->y = ocy + (ev.xmotion.y - y1);
49 resize(c, False, TopLeft);
50 break;
51 case ButtonRelease:
52 XUngrabPointer(dpy, CurrentTime);
53 return;
54 }
55 }
56 }
57
58 static void
59 resizemouse(Client *c)
60 {
61 int ocx, ocy;
62 Corner sticky;
63 XEvent ev;
64
65 ocx = c->x;
66 ocy = c->y;
67 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
68 None, cursor[CurResize], CurrentTime) != GrabSuccess)
69 return;
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 default: break;
75 case Expose:
76 handler[Expose](&ev);
77 break;
78 case MotionNotify:
79 XSync(dpy, False);
80 c->w = abs(ocx - ev.xmotion.x);
81 c->h = abs(ocy - ev.xmotion.y);
82 c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
83 c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
84 if(ocx <= ev.xmotion.x)
85 sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
86 else
87 sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
88 resize(c, True, sticky);
89 break;
90 case ButtonRelease:
91 XUngrabPointer(dpy, CurrentTime);
92 return;
93 }
94 }
95 }
96
97 static void
98 buttonpress(XEvent *e)
99 {
100 int x;
101 Arg a;
102 Client *c;
103 XButtonPressedEvent *ev = &e->xbutton;
104
105 if(barwin == ev->window) {
106 switch(ev->button) {
107 default:
108 x = 0;
109 for(a.i = 0; a.i < TLast; a.i++) {
110 x += textw(tags[a.i]);
111 if(ev->x < x) {
112 view(&a);
113 break;
114 }
115 }
116 break;
117 case Button4:
118 viewnext(&a);
119 break;
120 case Button5:
121 viewprev(&a);
122 break;
123 }
124 }
125 else if((c = getclient(ev->window))) {
126 focus(c);
127 switch(ev->button) {
128 default:
129 break;
130 case Button1:
131 if(!c->ismax && (arrange == dofloat || c->isfloat)) {
132 higher(c);
133 movemouse(c);
134 }
135 break;
136 case Button2:
137 lower(c);
138 break;
139 case Button3:
140 if(!c->ismax && (arrange == dofloat || c->isfloat)) {
141 higher(c);
142 resizemouse(c);
143 }
144 break;
145 }
146 }
147 }
148
149 static void
150 configurerequest(XEvent *e)
151 {
152 Client *c;
153 XConfigureRequestEvent *ev = &e->xconfigurerequest;
154 XWindowChanges wc;
155
156 ev->value_mask &= ~CWSibling;
157 if((c = getclient(ev->window))) {
158 gravitate(c, True);
159 if(ev->value_mask & CWX)
160 c->x = ev->x;
161 if(ev->value_mask & CWY)
162 c->y = ev->y;
163 if(ev->value_mask & CWWidth)
164 c->w = ev->width;
165 if(ev->value_mask & CWHeight)
166 c->h = ev->height;
167 if(ev->value_mask & CWBorderWidth)
168 c->border = 1;
169 gravitate(c, False);
170 resize(c, True, TopLeft);
171 }
172
173 wc.x = ev->x;
174 wc.y = ev->y;
175 wc.width = ev->width;
176 wc.height = ev->height;
177 wc.border_width = 1;
178 wc.sibling = None;
179 wc.stack_mode = Above;
180 ev->value_mask &= ~CWStackMode;
181 ev->value_mask |= CWBorderWidth;
182 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
183 XSync(dpy, False);
184 }
185
186 static void
187 destroynotify(XEvent *e)
188 {
189 Client *c;
190 XDestroyWindowEvent *ev = &e->xdestroywindow;
191
192 if((c = getclient(ev->window)))
193 unmanage(c);
194 }
195
196 static void
197 enternotify(XEvent *e)
198 {
199 Client *c;
200 XCrossingEvent *ev = &e->xcrossing;
201
202 if(ev->detail == NotifyInferior)
203 return;
204
205 if((c = getclient(ev->window)))
206 focus(c);
207 else if(ev->window == root)
208 issel = True;
209 }
210
211 static void
212 expose(XEvent *e)
213 {
214 Client *c;
215 XExposeEvent *ev = &e->xexpose;
216
217 if(ev->count == 0) {
218 if(barwin == ev->window)
219 drawstatus();
220 else if((c = getctitle(ev->window)))
221 drawtitle(c);
222 }
223 }
224
225 static void
226 keypress(XEvent *e)
227 {
228 static unsigned int len = sizeof(key) / sizeof(key[0]);
229 unsigned int i;
230 KeySym keysym;
231 XKeyEvent *ev = &e->xkey;
232 ev->state &= valid_mask;
233
234 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
235 for(i = 0; i < len; i++)
236 if((keysym == key[i].keysym) && ((key[i].mod & valid_mask) == ev->state)) {
237 if(key[i].func)
238 key[i].func(&key[i].arg);
239 return;
240 }
241 }
242
243 static void
244 leavenotify(XEvent *e)
245 {
246 XCrossingEvent *ev = &e->xcrossing;
247
248 if((ev->window == root) && !ev->same_screen)
249 issel = True;
250 }
251
252 static void
253 maprequest(XEvent *e)
254 {
255 static XWindowAttributes wa;
256 XMapRequestEvent *ev = &e->xmaprequest;
257
258 if(!XGetWindowAttributes(dpy, ev->window, &wa))
259 return;
260
261 if(wa.override_redirect) {
262 XSelectInput(dpy, ev->window,
263 (StructureNotifyMask | PropertyChangeMask));
264 return;
265 }
266
267 if(!getclient(ev->window))
268 manage(ev->window, &wa);
269 }
270
271 static void
272 propertynotify(XEvent *e)
273 {
274 Client *c;
275 Window trans;
276 XPropertyEvent *ev = &e->xproperty;
277
278 if(ev->state == PropertyDelete)
279 return; /* ignore */
280
281 if((c = getclient(ev->window))) {
282 if(ev->atom == wmatom[WMProtocols]) {
283 c->proto = getproto(c->win);
284 return;
285 }
286 switch (ev->atom) {
287 default: break;
288 case XA_WM_TRANSIENT_FOR:
289 XGetTransientForHint(dpy, c->win, &trans);
290 if(!c->isfloat && (c->isfloat = (trans != 0)))
291 arrange(NULL);
292 break;
293 case XA_WM_NORMAL_HINTS:
294 setsize(c);
295 break;
296 }
297 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
298 settitle(c);
299 drawtitle(c);
300 }
301 }
302 }
303
304 static void
305 unmapnotify(XEvent *e)
306 {
307 Client *c;
308 XUnmapEvent *ev = &e->xunmap;
309
310 if((c = getclient(ev->window)))
311 unmanage(c);
312 }
313
314 /* extern */
315
316 void (*handler[LASTEvent]) (XEvent *) = {
317 [ButtonPress] = buttonpress,
318 [ConfigureRequest] = configurerequest,
319 [DestroyNotify] = destroynotify,
320 [EnterNotify] = enternotify,
321 [LeaveNotify] = leavenotify,
322 [Expose] = expose,
323 [KeyPress] = keypress,
324 [MapRequest] = maprequest,
325 [PropertyNotify] = propertynotify,
326 [UnmapNotify] = unmapnotify
327 };
328
329 void
330 grabkeys()
331 {
332 static unsigned int len = sizeof(key) / sizeof(key[0]);
333 unsigned int i;
334 KeyCode code;
335
336 for(i = 0; i < len; i++) {
337 code = XKeysymToKeycode(dpy, key[i].keysym);
338 XUngrabKey(dpy, code, key[i].mod, root);
339 XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root);
340 XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root);
341 XGrabKey(dpy, code, key[i].mod, root, True,
342 GrabModeAsync, GrabModeAsync);
343 XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root, True,
344 GrabModeAsync, GrabModeAsync);
345 XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root, True,
346 GrabModeAsync, GrabModeAsync);
347 }
348 }