dwm-meillo

view event.c @ 510:0dfa6b752aed

small fix of a corner case
author Anselm R. Garbe <arg@10kloc.org>
date Fri, 29 Sep 2006 16:54:15 +0200
parents b467b5a749db
children 834a77509a64
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 #include <stdlib.h>
7 #include <X11/keysym.h>
8 #include <X11/Xatom.h>
10 /* static */
12 typedef struct {
13 unsigned long mod;
14 KeySym keysym;
15 void (*func)(Arg *arg);
16 Arg arg;
17 } Key;
19 KEYS
21 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
23 static void
24 movemouse(Client *c) {
25 int x1, y1, ocx, ocy, di;
26 unsigned int dui;
27 Window dummy;
28 XEvent ev;
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 }
57 static void
58 resizemouse(Client *c) {
59 int ocx, ocy;
60 int nw, nh;
61 Corner sticky;
62 XEvent ev;
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 }
99 static void
100 buttonpress(XEvent *e) {
101 int x;
102 Arg a;
103 Client *c;
104 XButtonPressedEvent *ev = &e->xbutton;
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 }
130 }
131 else if((c = getclient(ev->window))) {
132 focus(c);
133 if(CLEANMASK(ev->state) != MODKEY)
134 return;
135 if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {
136 restack();
137 movemouse(c);
138 }
139 else if(ev->button == Button2)
140 zoom(NULL);
141 else if(ev->button == Button3 && (arrange == dofloat || c->isfloat)) {
142 restack();
143 resizemouse(c);
144 }
145 }
146 }
148 static void
149 configurerequest(XEvent *e) {
150 unsigned long newmask;
151 Client *c;
152 XConfigureRequestEvent *ev = &e->xconfigurerequest;
153 XWindowChanges wc;
155 if((c = getclient(ev->window))) {
156 c->ismax = False;
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 = ev->border_width;
168 gravitate(c, False);
169 wc.x = c->x;
170 wc.y = c->y;
171 wc.width = c->w;
172 wc.height = c->h;
173 newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
174 if(newmask)
175 XConfigureWindow(dpy, c->win, newmask, &wc);
176 else
177 configure(c);
178 XSync(dpy, False);
179 if(c->isfloat) {
180 resize(c, False, TopLeft);
181 if(!isvisible(c))
182 ban(c);
183 }
184 else
185 arrange(NULL);
186 }
187 else {
188 wc.x = ev->x;
189 wc.y = ev->y;
190 wc.width = ev->width;
191 wc.height = ev->height;
192 wc.border_width = ev->border_width;
193 wc.sibling = ev->above;
194 wc.stack_mode = ev->detail;
195 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
196 XSync(dpy, False);
197 }
198 }
200 static void
201 destroynotify(XEvent *e) {
202 Client *c;
203 XDestroyWindowEvent *ev = &e->xdestroywindow;
205 if((c = getclient(ev->window)))
206 unmanage(c);
207 }
209 static void
210 enternotify(XEvent *e) {
211 Client *c;
212 XCrossingEvent *ev = &e->xcrossing;
214 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
215 return;
217 if(((c = getclient(ev->window)) || (c = getctitle(ev->window))) && isvisible(c))
218 focus(c);
219 else if(ev->window == root) {
220 issel = True;
221 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
222 drawall();
223 }
224 }
226 static void
227 expose(XEvent *e) {
228 Client *c;
229 XExposeEvent *ev = &e->xexpose;
231 if(ev->count == 0) {
232 if(barwin == ev->window)
233 drawstatus();
234 else if((c = getctitle(ev->window)))
235 drawtitle(c);
236 }
237 }
239 static void
240 keypress(XEvent *e) {
241 static unsigned int len = sizeof(key) / sizeof(key[0]);
242 unsigned int i;
243 KeySym keysym;
244 XKeyEvent *ev = &e->xkey;
246 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
247 for(i = 0; i < len; i++) {
248 if(keysym == key[i].keysym
249 && CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
250 {
251 if(key[i].func)
252 key[i].func(&key[i].arg);
253 return;
254 }
255 }
256 }
258 static void
259 leavenotify(XEvent *e) {
260 XCrossingEvent *ev = &e->xcrossing;
262 if((ev->window == root) && !ev->same_screen) {
263 issel = False;
264 drawall();
265 }
266 }
268 static void
269 mappingnotify(XEvent *e) {
270 XMappingEvent *ev = &e->xmapping;
272 XRefreshKeyboardMapping(ev);
273 if(ev->request == MappingKeyboard)
274 grabkeys();
275 }
277 static void
278 maprequest(XEvent *e) {
279 static XWindowAttributes wa;
280 XMapRequestEvent *ev = &e->xmaprequest;
282 if(!XGetWindowAttributes(dpy, ev->window, &wa))
283 return;
285 if(wa.override_redirect) {
286 XSelectInput(dpy, ev->window,
287 (StructureNotifyMask | PropertyChangeMask));
288 return;
289 }
291 if(!getclient(ev->window))
292 manage(ev->window, &wa);
293 }
295 static void
296 propertynotify(XEvent *e) {
297 Client *c;
298 Window trans;
299 XPropertyEvent *ev = &e->xproperty;
301 if(ev->state == PropertyDelete)
302 return; /* ignore */
304 if((c = getclient(ev->window))) {
305 if(ev->atom == wmatom[WMProtocols]) {
306 c->proto = getproto(c->win);
307 return;
308 }
309 switch (ev->atom) {
310 default: break;
311 case XA_WM_TRANSIENT_FOR:
312 XGetTransientForHint(dpy, c->win, &trans);
313 if(!c->isfloat && (c->isfloat = (trans != 0)))
314 arrange(NULL);
315 break;
316 case XA_WM_NORMAL_HINTS:
317 updatesize(c);
318 break;
319 }
320 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
321 updatetitle(c);
322 resizetitle(c);
323 drawtitle(c);
324 }
325 }
326 }
328 static void
329 unmapnotify(XEvent *e) {
330 Client *c;
331 XUnmapEvent *ev = &e->xunmap;
333 if((c = getclient(ev->window)))
334 unmanage(c);
335 }
337 /* extern */
339 void (*handler[LASTEvent]) (XEvent *) = {
340 [ButtonPress] = buttonpress,
341 [ConfigureRequest] = configurerequest,
342 [DestroyNotify] = destroynotify,
343 [EnterNotify] = enternotify,
344 [LeaveNotify] = leavenotify,
345 [Expose] = expose,
346 [KeyPress] = keypress,
347 [MappingNotify] = mappingnotify,
348 [MapRequest] = maprequest,
349 [PropertyNotify] = propertynotify,
350 [UnmapNotify] = unmapnotify
351 };
353 void
354 grabkeys(void) {
355 static unsigned int len = sizeof(key) / sizeof(key[0]);
356 unsigned int i;
357 KeyCode code;
359 XUngrabKey(dpy, AnyKey, AnyModifier, root);
360 for(i = 0; i < len; i++) {
361 code = XKeysymToKeycode(dpy, key[i].keysym);
362 XGrabKey(dpy, code, key[i].mod, root, True,
363 GrabModeAsync, GrabModeAsync);
364 XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
365 GrabModeAsync, GrabModeAsync);
366 XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
367 GrabModeAsync, GrabModeAsync);
368 XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
369 GrabModeAsync, GrabModeAsync);
370 }
371 }
373 void
374 procevent(void) {
375 XEvent ev;
377 while(XPending(dpy)) {
378 XNextEvent(dpy, &ev);
379 if(handler[ev.type])
380 (handler[ev.type])(&ev); /* call handler */
381 }
382 }