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view event.c @ 158:4e42dfc0f61f

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new resize stuff (using XConfigureWindow instead of XSendEvent)
author arg@10ksloc.org
date Wed, 02 Aug 2006 10:43:21 +0200
parents 02545d36e9d3
children a5eab6aaf859
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 if((c = getclient(ev->window))) {
157 gravitate(c, True);
158 if(ev->value_mask & CWX)
159 c->x = ev->x;
160 if(ev->value_mask & CWY)
161 c->y = ev->y;
162 if(ev->value_mask & CWWidth)
163 c->w = ev->width;
164 if(ev->value_mask & CWHeight)
165 c->h = ev->height;
166 if(ev->value_mask & CWBorderWidth)
167 c->border = 1;
168 gravitate(c, False);
169 resize(c, True, TopLeft);
170 }
171 else {
172 wc.x = ev->x;
173 wc.y = ev->y;
174 wc.width = ev->width;
175 wc.height = ev->height;
176 wc.border_width = 1;
177 XConfigureWindow(dpy, ev->window,
178 CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
179 XSync(dpy, False);
180 }
181 }
182
183 static void
184 destroynotify(XEvent *e)
185 {
186 Client *c;
187 XDestroyWindowEvent *ev = &e->xdestroywindow;
188
189 if((c = getclient(ev->window)))
190 unmanage(c);
191 }
192
193 static void
194 enternotify(XEvent *e)
195 {
196 Client *c;
197 XCrossingEvent *ev = &e->xcrossing;
198
199 if(ev->detail == NotifyInferior)
200 return;
201
202 if((c = getclient(ev->window)))
203 focus(c);
204 else if(ev->window == root)
205 issel = True;
206 }
207
208 static void
209 expose(XEvent *e)
210 {
211 Client *c;
212 XExposeEvent *ev = &e->xexpose;
213
214 if(ev->count == 0) {
215 if(barwin == ev->window)
216 drawstatus();
217 else if((c = getctitle(ev->window)))
218 drawtitle(c);
219 }
220 }
221
222 static void
223 keypress(XEvent *e)
224 {
225 static unsigned int len = sizeof(key) / sizeof(key[0]);
226 unsigned int i;
227 KeySym keysym;
228 XKeyEvent *ev = &e->xkey;
229 ev->state &= valid_mask;
230
231 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
232 for(i = 0; i < len; i++)
233 if((keysym == key[i].keysym) && ((key[i].mod & valid_mask) == ev->state)) {
234 if(key[i].func)
235 key[i].func(&key[i].arg);
236 return;
237 }
238 }
239
240 static void
241 leavenotify(XEvent *e)
242 {
243 XCrossingEvent *ev = &e->xcrossing;
244
245 if((ev->window == root) && !ev->same_screen)
246 issel = True;
247 }
248
249 static void
250 maprequest(XEvent *e)
251 {
252 static XWindowAttributes wa;
253 XMapRequestEvent *ev = &e->xmaprequest;
254
255 if(!XGetWindowAttributes(dpy, ev->window, &wa))
256 return;
257
258 if(wa.override_redirect) {
259 XSelectInput(dpy, ev->window,
260 (StructureNotifyMask | PropertyChangeMask));
261 return;
262 }
263
264 if(!getclient(ev->window))
265 manage(ev->window, &wa);
266 }
267
268 static void
269 propertynotify(XEvent *e)
270 {
271 Client *c;
272 Window trans;
273 XPropertyEvent *ev = &e->xproperty;
274
275 if(ev->state == PropertyDelete)
276 return; /* ignore */
277
278 if((c = getclient(ev->window))) {
279 if(ev->atom == wmatom[WMProtocols]) {
280 c->proto = getproto(c->win);
281 return;
282 }
283 switch (ev->atom) {
284 default: break;
285 case XA_WM_TRANSIENT_FOR:
286 XGetTransientForHint(dpy, c->win, &trans);
287 if(!c->isfloat && (c->isfloat = (trans != 0)))
288 arrange(NULL);
289 break;
290 case XA_WM_NORMAL_HINTS:
291 setsize(c);
292 break;
293 }
294 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
295 settitle(c);
296 drawtitle(c);
297 }
298 }
299 }
300
301 static void
302 unmapnotify(XEvent *e)
303 {
304 Client *c;
305 XUnmapEvent *ev = &e->xunmap;
306
307 if((c = getclient(ev->window)))
308 unmanage(c);
309 }
310
311 /* extern */
312
313 void (*handler[LASTEvent]) (XEvent *) = {
314 [ButtonPress] = buttonpress,
315 [ConfigureRequest] = configurerequest,
316 [DestroyNotify] = destroynotify,
317 [EnterNotify] = enternotify,
318 [LeaveNotify] = leavenotify,
319 [Expose] = expose,
320 [KeyPress] = keypress,
321 [MapRequest] = maprequest,
322 [PropertyNotify] = propertynotify,
323 [UnmapNotify] = unmapnotify
324 };
325
326 void
327 grabkeys()
328 {
329 static unsigned int len = sizeof(key) / sizeof(key[0]);
330 unsigned int i;
331 KeyCode code;
332
333 for(i = 0; i < len; i++) {
334 code = XKeysymToKeycode(dpy, key[i].keysym);
335 XUngrabKey(dpy, code, key[i].mod, root);
336 XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root);
337 XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root);
338 XGrabKey(dpy, code, key[i].mod, root, True,
339 GrabModeAsync, GrabModeAsync);
340 XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root, True,
341 GrabModeAsync, GrabModeAsync);
342 XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root, True,
343 GrabModeAsync, GrabModeAsync);
344 }
345 }