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author Anselm R. Garbe <garbeam@wmii.de>
date Fri, 14 Jul 2006 08:34:38 +0200
parents 529901e6a227
children 1269bd127551
line source
1 /*
2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
3 * See LICENSE file for license details.
4 */
5
6 #include <fcntl.h>
7 #include <stdlib.h>
8 #include <string.h>
9 #include <X11/keysym.h>
10 #include <X11/Xatom.h>
11
12 #include "dwm.h"
13
14 /* local functions */
15 static void buttonpress(XEvent *e);
16 static void configurerequest(XEvent *e);
17 static void destroynotify(XEvent *e);
18 static void enternotify(XEvent *e);
19 static void leavenotify(XEvent *e);
20 static void expose(XEvent *e);
21 static void keymapnotify(XEvent *e);
22 static void maprequest(XEvent *e);
23 static void propertynotify(XEvent *e);
24 static void unmapnotify(XEvent *e);
25
26 void (*handler[LASTEvent]) (XEvent *) = {
27 [ButtonPress] = buttonpress,
28 [ConfigureRequest] = configurerequest,
29 [DestroyNotify] = destroynotify,
30 [EnterNotify] = enternotify,
31 [LeaveNotify] = leavenotify,
32 [Expose] = expose,
33 [KeyPress] = keypress,
34 [KeymapNotify] = keymapnotify,
35 [MapRequest] = maprequest,
36 [PropertyNotify] = propertynotify,
37 [UnmapNotify] = unmapnotify
38 };
39
40 void
41 discard_events(long even_mask)
42 {
43 XEvent ev;
44 while(XCheckMaskEvent(dpy, even_mask, &ev));
45 }
46
47 static void
48 buttonpress(XEvent *e)
49 {
50 XButtonPressedEvent *ev = &e->xbutton;
51 Client *c;
52
53 if((c = getclient(ev->window))) {
54 craise(c);
55 switch(ev->button) {
56 default:
57 break;
58 case Button1:
59 mmove(c);
60 break;
61 case Button2:
62 lower(c);
63 break;
64 case Button3:
65 mresize(c);
66 break;
67 }
68 }
69 }
70
71 static void
72 configurerequest(XEvent *e)
73 {
74 XConfigureRequestEvent *ev = &e->xconfigurerequest;
75 XWindowChanges wc;
76 Client *c;
77
78 ev->value_mask &= ~CWSibling;
79 if((c = getclient(ev->window))) {
80 gravitate(c, True);
81 if(ev->value_mask & CWX)
82 c->x = ev->x;
83 if(ev->value_mask & CWY)
84 c->y = ev->y;
85 if(ev->value_mask & CWWidth)
86 c->w = ev->width;
87 if(ev->value_mask & CWHeight)
88 c->h = ev->height;
89 if(ev->value_mask & CWBorderWidth)
90 c->border = 1;
91 gravitate(c, False);
92 resize(c, True);
93 }
94
95 wc.x = ev->x;
96 wc.y = ev->y;
97 wc.width = ev->width;
98 wc.height = ev->height;
99 wc.border_width = 1;
100 wc.sibling = None;
101 wc.stack_mode = Above;
102 ev->value_mask &= ~CWStackMode;
103 ev->value_mask |= CWBorderWidth;
104 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
105 XFlush(dpy);
106 }
107
108 static void
109 destroynotify(XEvent *e)
110 {
111 Client *c;
112 XDestroyWindowEvent *ev = &e->xdestroywindow;
113
114 if((c = getclient(ev->window)))
115 unmanage(c);
116 }
117
118 static void
119 enternotify(XEvent *e)
120 {
121 XCrossingEvent *ev = &e->xcrossing;
122 Client *c;
123
124 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
125 return;
126
127 if((c = getclient(ev->window)))
128 focus(c);
129 else if(ev->window == root)
130 issel = True;
131 }
132
133 static void
134 leavenotify(XEvent *e)
135 {
136 XCrossingEvent *ev = &e->xcrossing;
137
138 if((ev->window == root) && !ev->same_screen)
139 issel = True;
140 }
141
142 static void
143 expose(XEvent *e)
144 {
145 XExposeEvent *ev = &e->xexpose;
146 Client *c;
147
148 if(ev->count == 0) {
149 if((c = gettitle(ev->window)))
150 draw_client(c);
151 }
152 }
153
154 static void
155 keymapnotify(XEvent *e)
156 {
157 update_keys();
158 }
159
160 static void
161 maprequest(XEvent *e)
162 {
163 XMapRequestEvent *ev = &e->xmaprequest;
164 static XWindowAttributes wa;
165
166 if(!XGetWindowAttributes(dpy, ev->window, &wa))
167 return;
168
169 if(wa.override_redirect) {
170 XSelectInput(dpy, ev->window,
171 (StructureNotifyMask | PropertyChangeMask));
172 return;
173 }
174
175 if(!getclient(ev->window))
176 manage(ev->window, &wa);
177 }
178
179 static void
180 propertynotify(XEvent *e)
181 {
182 XPropertyEvent *ev = &e->xproperty;
183 Window trans;
184 Client *c;
185
186 if(ev->state == PropertyDelete)
187 return; /* ignore */
188
189 if((c = getclient(ev->window))) {
190 if(ev->atom == wm_atom[WMProtocols]) {
191 c->proto = win_proto(c->win);
192 return;
193 }
194 switch (ev->atom) {
195 default: break;
196 case XA_WM_TRANSIENT_FOR:
197 XGetTransientForHint(dpy, c->win, &trans);
198 if(!c->floating && (c->floating = (trans != 0)))
199 arrange(NULL);
200 break;
201 case XA_WM_NORMAL_HINTS:
202 update_size(c);
203 break;
204 }
205 if(ev->atom == XA_WM_NAME || ev->atom == net_atom[NetWMName]) {
206 update_name(c);
207 draw_client(c);
208 }
209 }
210 }
211
212 static void
213 unmapnotify(XEvent *e)
214 {
215 Client *c;
216 XUnmapEvent *ev = &e->xunmap;
217
218 if((c = getclient(ev->window)))
219 unmanage(c);
220 }