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view event.c @ 148:5267e1204367

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uppercasing all define'd values (uppercase-prefixed should only be enum field qualifiers)
author arg@10ksloc.org
date Tue, 01 Aug 2006 14:46:01 +0200
parents f328ce9c558c
children 332fcc6d4f88
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 CMDS
21 KEYS
22
23 static unsigned int valid_mask = 255 & ~(NUMLOCKMASK | LockMask);
24
25 static void
26 movemouse(Client *c)
27 {
28 int x1, y1, ocx, ocy, di;
29 unsigned int dui;
30 Window dummy;
31 XEvent ev;
32
33 ocx = c->x;
34 ocy = c->y;
35 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
36 None, cursor[CurMove], CurrentTime) != GrabSuccess)
37 return;
38 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
39 for(;;) {
40 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
41 switch (ev.type) {
42 default: break;
43 case Expose:
44 handler[Expose](&ev);
45 break;
46 case MotionNotify:
47 XSync(dpy, False);
48 c->x = ocx + (ev.xmotion.x - x1);
49 c->y = ocy + (ev.xmotion.y - y1);
50 resize(c, False, TopLeft);
51 break;
52 case ButtonRelease:
53 XUngrabPointer(dpy, CurrentTime);
54 return;
55 }
56 }
57 }
58
59 static void
60 resizemouse(Client *c)
61 {
62 int ocx, ocy;
63 Corner sticky;
64 XEvent ev;
65
66 ocx = c->x;
67 ocy = c->y;
68 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
69 None, cursor[CurResize], CurrentTime) != GrabSuccess)
70 return;
71 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
72 for(;;) {
73 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
74 switch(ev.type) {
75 default: break;
76 case Expose:
77 handler[Expose](&ev);
78 break;
79 case MotionNotify:
80 XSync(dpy, False);
81 c->w = abs(ocx - ev.xmotion.x);
82 c->h = abs(ocy - ev.xmotion.y);
83 c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
84 c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
85 if(ocx <= ev.xmotion.x)
86 sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
87 else
88 sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
89 resize(c, True, sticky);
90 break;
91 case ButtonRelease:
92 XUngrabPointer(dpy, CurrentTime);
93 return;
94 }
95 }
96 }
97
98 static void
99 buttonpress(XEvent *e)
100 {
101 int x;
102 Arg a;
103 Client *c;
104 XButtonPressedEvent *ev = &e->xbutton;
105
106 if(barwin == ev->window) {
107 switch(ev->button) {
108 default:
109 x = 0;
110 for(a.i = 0; a.i < TLast; a.i++) {
111 x += textw(tags[a.i]);
112 if(ev->x < x) {
113 view(&a);
114 break;
115 }
116 }
117 break;
118 case Button4:
119 a.i = (tsel + 1 < TLast) ? tsel + 1 : 0;
120 view(&a);
121 break;
122 case Button5:
123 a.i = (tsel - 1 >= 0) ? tsel - 1 : TLast - 1;
124 view(&a);
125 break;
126 }
127 }
128 else if((c = getclient(ev->window))) {
129 focus(c);
130 switch(ev->button) {
131 default:
132 break;
133 case Button1:
134 if(!c->ismax && (arrange == dofloat || c->isfloat)) {
135 higher(c);
136 movemouse(c);
137 }
138 break;
139 case Button2:
140 lower(c);
141 break;
142 case Button3:
143 if(!c->ismax && (arrange == dofloat || c->isfloat)) {
144 higher(c);
145 resizemouse(c);
146 }
147 break;
148 }
149 }
150 }
151
152 static void
153 configurerequest(XEvent *e)
154 {
155 Client *c;
156 XConfigureRequestEvent *ev = &e->xconfigurerequest;
157 XWindowChanges wc;
158
159 ev->value_mask &= ~CWSibling;
160 if((c = getclient(ev->window))) {
161 gravitate(c, True);
162 if(ev->value_mask & CWX)
163 c->x = ev->x;
164 if(ev->value_mask & CWY)
165 c->y = ev->y;
166 if(ev->value_mask & CWWidth)
167 c->w = ev->width;
168 if(ev->value_mask & CWHeight)
169 c->h = ev->height;
170 if(ev->value_mask & CWBorderWidth)
171 c->border = 1;
172 gravitate(c, False);
173 resize(c, True, TopLeft);
174 }
175
176 wc.x = ev->x;
177 wc.y = ev->y;
178 wc.width = ev->width;
179 wc.height = ev->height;
180 wc.border_width = 1;
181 wc.sibling = None;
182 wc.stack_mode = Above;
183 ev->value_mask &= ~CWStackMode;
184 ev->value_mask |= CWBorderWidth;
185 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
186 XSync(dpy, False);
187 }
188
189 static void
190 destroynotify(XEvent *e)
191 {
192 Client *c;
193 XDestroyWindowEvent *ev = &e->xdestroywindow;
194
195 if((c = getclient(ev->window)))
196 unmanage(c);
197 }
198
199 static void
200 enternotify(XEvent *e)
201 {
202 Client *c;
203 XCrossingEvent *ev = &e->xcrossing;
204
205 if(ev->detail == NotifyInferior)
206 return;
207
208 if((c = getclient(ev->window)))
209 focus(c);
210 else if(ev->window == root)
211 issel = True;
212 }
213
214 static void
215 expose(XEvent *e)
216 {
217 Client *c;
218 XExposeEvent *ev = &e->xexpose;
219
220 if(ev->count == 0) {
221 if(barwin == ev->window)
222 drawstatus();
223 else if((c = getctitle(ev->window)))
224 drawtitle(c);
225 }
226 }
227
228 static void
229 keypress(XEvent *e)
230 {
231 static unsigned int len = sizeof(key) / sizeof(key[0]);
232 unsigned int i;
233 KeySym keysym;
234 XKeyEvent *ev = &e->xkey;
235 ev->state &= valid_mask;
236
237 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
238 for(i = 0; i < len; i++)
239 if((keysym == key[i].keysym) && ((key[i].mod & valid_mask) == ev->state)) {
240 if(key[i].func)
241 key[i].func(&key[i].arg);
242 return;
243 }
244 }
245
246 static void
247 leavenotify(XEvent *e)
248 {
249 XCrossingEvent *ev = &e->xcrossing;
250
251 if((ev->window == root) && !ev->same_screen)
252 issel = True;
253 }
254
255 static void
256 maprequest(XEvent *e)
257 {
258 static XWindowAttributes wa;
259 XMapRequestEvent *ev = &e->xmaprequest;
260
261 if(!XGetWindowAttributes(dpy, ev->window, &wa))
262 return;
263
264 if(wa.override_redirect) {
265 XSelectInput(dpy, ev->window,
266 (StructureNotifyMask | PropertyChangeMask));
267 return;
268 }
269
270 if(!getclient(ev->window))
271 manage(ev->window, &wa);
272 }
273
274 static void
275 propertynotify(XEvent *e)
276 {
277 Client *c;
278 Window trans;
279 XPropertyEvent *ev = &e->xproperty;
280
281 if(ev->state == PropertyDelete)
282 return; /* ignore */
283
284 if((c = getclient(ev->window))) {
285 if(ev->atom == wmatom[WMProtocols]) {
286 c->proto = getproto(c->win);
287 return;
288 }
289 switch (ev->atom) {
290 default: break;
291 case XA_WM_TRANSIENT_FOR:
292 XGetTransientForHint(dpy, c->win, &trans);
293 if(!c->isfloat && (c->isfloat = (trans != 0)))
294 arrange(NULL);
295 break;
296 case XA_WM_NORMAL_HINTS:
297 setsize(c);
298 break;
299 }
300 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
301 settitle(c);
302 drawtitle(c);
303 }
304 }
305 }
306
307 static void
308 unmapnotify(XEvent *e)
309 {
310 Client *c;
311 XUnmapEvent *ev = &e->xunmap;
312
313 if((c = getclient(ev->window)))
314 unmanage(c);
315 }
316
317 /* extern */
318
319 void (*handler[LASTEvent]) (XEvent *) = {
320 [ButtonPress] = buttonpress,
321 [ConfigureRequest] = configurerequest,
322 [DestroyNotify] = destroynotify,
323 [EnterNotify] = enternotify,
324 [LeaveNotify] = leavenotify,
325 [Expose] = expose,
326 [KeyPress] = keypress,
327 [MapRequest] = maprequest,
328 [PropertyNotify] = propertynotify,
329 [UnmapNotify] = unmapnotify
330 };
331
332 void
333 grabkeys()
334 {
335 static unsigned int len = sizeof(key) / sizeof(key[0]);
336 unsigned int i;
337 KeyCode code;
338
339 for(i = 0; i < len; i++) {
340 code = XKeysymToKeycode(dpy, key[i].keysym);
341 XUngrabKey(dpy, code, key[i].mod, root);
342 XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root);
343 XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root);
344 XGrabKey(dpy, code, key[i].mod, root, True,
345 GrabModeAsync, GrabModeAsync);
346 XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root, True,
347 GrabModeAsync, GrabModeAsync);
348 XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root, True,
349 GrabModeAsync, GrabModeAsync);
350 }
351 }