dwm-meillo

view event.c @ 80:8125f908c80c

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several additions in mouse handling ;)
author Anselm R. Garbe <garbeam@wmii.de>
date Sun, 16 Jul 2006 00:47:40 +0200
parents aabebd6e61f3
children 052fe7498930
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 #define ButtonMask (ButtonPressMask | ButtonReleaseMask)
12 #define MouseMask (ButtonMask | PointerMotionMask)
13
14 /********** CUSTOMIZE **********/
15
16 const char *term[] = {
17 "urxvtc", "-tr", "+sb", "-bg", "black", "-fg", "white", "-cr", "white",
18 "-fn", "-*-terminus-medium-*-*-*-13-*-*-*-*-*-iso10646-*", NULL
19 };
20 const char *browse[] = { "firefox", NULL };
21 const char *xlock[] = { "xlock", NULL };
22
23 Key key[] = {
24 /* modifier key function arguments */
25 { Mod1Mask, XK_Return, zoom, { 0 } },
26 { Mod1Mask, XK_k, focusprev, { 0 } },
27 { Mod1Mask, XK_j, focusnext, { 0 } },
28 { Mod1Mask, XK_m, maximize, { 0 } },
29 { Mod1Mask, XK_0, view, { .i = Tscratch } },
30 { Mod1Mask, XK_1, view, { .i = Tdev } },
31 { Mod1Mask, XK_2, view, { .i = Twww } },
32 { Mod1Mask, XK_3, view, { .i = Twork } },
33 { Mod1Mask, XK_space, dotile, { 0 } },
34 { Mod1Mask|ShiftMask, XK_space, dofloat, { 0 } },
35 { Mod1Mask|ShiftMask, XK_0, replacetag, { .i = Tscratch } },
36 { Mod1Mask|ShiftMask, XK_1, replacetag, { .i = Tdev } },
37 { Mod1Mask|ShiftMask, XK_2, replacetag, { .i = Twww } },
38 { Mod1Mask|ShiftMask, XK_3, replacetag, { .i = Twork } },
39 { Mod1Mask|ShiftMask, XK_c, killclient, { 0 } },
40 { Mod1Mask|ShiftMask, XK_q, quit, { 0 } },
41 { Mod1Mask|ShiftMask, XK_Return, spawn, { .argv = term } },
42 { Mod1Mask|ShiftMask, XK_w, spawn, { .argv = browse } },
43 { Mod1Mask|ShiftMask, XK_l, spawn, { .argv = xlock } },
44 { ControlMask, XK_0, appendtag, { .i = Tscratch } },
45 { ControlMask, XK_1, appendtag, { .i = Tdev } },
46 { ControlMask, XK_2, appendtag, { .i = Twww } },
47 { ControlMask, XK_3, appendtag, { .i = Twork } },
48 };
49
50 /********** CUSTOMIZE **********/
51
52 /* static functions */
53
54 static void
55 movemouse(Client *c)
56 {
57 XEvent ev;
58 int x1, y1, ocx, ocy, di;
59 unsigned int dui;
60 Window dummy;
61
62 ocx = c->x;
63 ocy = c->y;
64 if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
65 None, cursor[CurMove], CurrentTime) != GrabSuccess)
66 return;
67 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
68 for(;;) {
69 XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
70 switch (ev.type) {
71 default: break;
72 case Expose:
73 handler[Expose](&ev);
74 break;
75 case MotionNotify:
76 XSync(dpy, False);
77 c->x = ocx + (ev.xmotion.x - x1);
78 c->y = ocy + (ev.xmotion.y - y1);
79 resize(c, False);
80 break;
81 case ButtonRelease:
82 XUngrabPointer(dpy, CurrentTime);
83 return;
84 }
85 }
86 }
87
88 static void
89 resizemouse(Client *c)
90 {
91 XEvent ev;
92 int ocx, ocy;
93
94 ocx = c->x;
95 ocy = c->y;
96 if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
97 None, cursor[CurResize], CurrentTime) != GrabSuccess)
98 return;
99 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
100 for(;;) {
101 XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
102 switch(ev.type) {
103 default: break;
104 case Expose:
105 handler[Expose](&ev);
106 break;
107 case MotionNotify:
108 XSync(dpy, False);
109 c->w = abs(ocx - ev.xmotion.x);
110 c->h = abs(ocy - ev.xmotion.y);
111 c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
112 c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
113 resize(c, True);
114 break;
115 case ButtonRelease:
116 XUngrabPointer(dpy, CurrentTime);
117 return;
118 }
119 }
120 }
121
122 static void
123 buttonpress(XEvent *e)
124 {
125 int x;
126 Arg a;
127 XButtonPressedEvent *ev = &e->xbutton;
128 Client *c;
129
130 if(barwin == ev->window) {
131 switch(ev->button) {
132 default:
133 x = 0;
134 for(a.i = 0; a.i < TLast; a.i++) {
135 x += textw(tags[a.i]);
136 if(ev->x < x) {
137 view(&a);
138 break;
139 }
140 }
141 break;
142 case Button4:
143 a.i = (tsel + 1 < TLast) ? tsel + 1 : 0;
144 view(&a);
145 break;
146 case Button5:
147 a.i = (tsel - 1 >= 0) ? tsel - 1 : TLast - 1;
148 view(&a);
149 break;
150 }
151 }
152 else if((c = getclient(ev->window))) {
153 if(arrange == dotile && !c->isfloat) {
154 if((ev->state & ControlMask) && (ev->button == Button1))
155 zoom(NULL);
156 return;
157 }
158 /* floating windows */
159 higher(c);
160 switch(ev->button) {
161 default:
162 break;
163 case Button1:
164 movemouse(c);
165 break;
166 case Button2:
167 lower(c);
168 break;
169 case Button3:
170 resizemouse(c);
171 break;
172 }
173 }
174 }
175
176 static void
177 configurerequest(XEvent *e)
178 {
179 XConfigureRequestEvent *ev = &e->xconfigurerequest;
180 XWindowChanges wc;
181 Client *c;
182
183 ev->value_mask &= ~CWSibling;
184 if((c = getclient(ev->window))) {
185 gravitate(c, True);
186 if(ev->value_mask & CWX)
187 c->x = ev->x;
188 if(ev->value_mask & CWY)
189 c->y = ev->y;
190 if(ev->value_mask & CWWidth)
191 c->w = ev->width;
192 if(ev->value_mask & CWHeight)
193 c->h = ev->height;
194 if(ev->value_mask & CWBorderWidth)
195 c->border = 1;
196 gravitate(c, False);
197 resize(c, True);
198 }
199
200 wc.x = ev->x;
201 wc.y = ev->y;
202 wc.width = ev->width;
203 wc.height = ev->height;
204 wc.border_width = 1;
205 wc.sibling = None;
206 wc.stack_mode = Above;
207 ev->value_mask &= ~CWStackMode;
208 ev->value_mask |= CWBorderWidth;
209 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
210 XSync(dpy, False);
211 }
212
213 static void
214 destroynotify(XEvent *e)
215 {
216 Client *c;
217 XDestroyWindowEvent *ev = &e->xdestroywindow;
218
219 if((c = getclient(ev->window)))
220 unmanage(c);
221 }
222
223 static void
224 enternotify(XEvent *e)
225 {
226 XCrossingEvent *ev = &e->xcrossing;
227 Client *c;
228
229 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
230 return;
231
232 if((c = getclient(ev->window)))
233 focus(c);
234 else if(ev->window == root)
235 issel = True;
236 }
237
238 static void
239 expose(XEvent *e)
240 {
241 XExposeEvent *ev = &e->xexpose;
242 Client *c;
243
244 if(ev->count == 0) {
245 if(barwin == ev->window)
246 drawstatus();
247 else if((c = getctitle(ev->window)))
248 drawtitle(c);
249 }
250 }
251
252 static void
253 keypress(XEvent *e)
254 {
255 XKeyEvent *ev = &e->xkey;
256 static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;
257 unsigned int i;
258 KeySym keysym;
259
260 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
261 for(i = 0; i < len; i++)
262 if((keysym == key[i].keysym) && (key[i].mod == ev->state)) {
263 if(key[i].func)
264 key[i].func(&key[i].arg);
265 return;
266 }
267 }
268
269 static void
270 leavenotify(XEvent *e)
271 {
272 XCrossingEvent *ev = &e->xcrossing;
273
274 if((ev->window == root) && !ev->same_screen)
275 issel = True;
276 }
277
278 static void
279 maprequest(XEvent *e)
280 {
281 XMapRequestEvent *ev = &e->xmaprequest;
282 static XWindowAttributes wa;
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 {
300 XPropertyEvent *ev = &e->xproperty;
301 Window trans;
302 Client *c;
303
304 if(ev->state == PropertyDelete)
305 return; /* ignore */
306
307 if((c = getclient(ev->window))) {
308 if(ev->atom == wmatom[WMProtocols]) {
309 c->proto = getproto(c->win);
310 return;
311 }
312 switch (ev->atom) {
313 default: break;
314 case XA_WM_TRANSIENT_FOR:
315 XGetTransientForHint(dpy, c->win, &trans);
316 if(!c->isfloat && (c->isfloat = (trans != 0)))
317 arrange(NULL);
318 break;
319 case XA_WM_NORMAL_HINTS:
320 setsize(c);
321 break;
322 }
323 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
324 settitle(c);
325 drawtitle(c);
326 }
327 }
328 }
329
330 static void
331 unmapnotify(XEvent *e)
332 {
333 Client *c;
334 XUnmapEvent *ev = &e->xunmap;
335
336 if((c = getclient(ev->window)))
337 unmanage(c);
338 }
339
340 /* extern functions */
341
342 void (*handler[LASTEvent]) (XEvent *) = {
343 [ButtonPress] = buttonpress,
344 [ConfigureRequest] = configurerequest,
345 [DestroyNotify] = destroynotify,
346 [EnterNotify] = enternotify,
347 [LeaveNotify] = leavenotify,
348 [Expose] = expose,
349 [KeyPress] = keypress,
350 [MapRequest] = maprequest,
351 [PropertyNotify] = propertynotify,
352 [UnmapNotify] = unmapnotify
353 };
354
355 void
356 grabkeys()
357 {
358 static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;
359 unsigned int i;
360 KeyCode code;
361
362 for(i = 0; i < len; i++) {
363 code = XKeysymToKeycode(dpy, key[i].keysym);
364 XUngrabKey(dpy, code, key[i].mod, root);
365 XGrabKey(dpy, code, key[i].mod, root, True,
366 GrabModeAsync, GrabModeAsync);
367 }
368 }