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view event.c @ 59:5d4653de9a1c

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implemented dwm reading status text from stdin
author Anselm R. Garbe <garbeam@wmii.de>
date Fri, 14 Jul 2006 11:57:33 +0200
parents fcbf7213d96f
children f14858218641
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(barwin == ev->window)
54 barclick(ev);
55 else if((c = getclient(ev->window))) {
56 craise(c);
57 switch(ev->button) {
58 default:
59 break;
60 case Button1:
61 mmove(c);
62 break;
63 case Button2:
64 lower(c);
65 break;
66 case Button3:
67 mresize(c);
68 break;
69 }
70 }
71 }
72
73 static void
74 configurerequest(XEvent *e)
75 {
76 XConfigureRequestEvent *ev = &e->xconfigurerequest;
77 XWindowChanges wc;
78 Client *c;
79
80 ev->value_mask &= ~CWSibling;
81 if((c = getclient(ev->window))) {
82 gravitate(c, True);
83 if(ev->value_mask & CWX)
84 c->x = ev->x;
85 if(ev->value_mask & CWY)
86 c->y = ev->y;
87 if(ev->value_mask & CWWidth)
88 c->w = ev->width;
89 if(ev->value_mask & CWHeight)
90 c->h = ev->height;
91 if(ev->value_mask & CWBorderWidth)
92 c->border = 1;
93 gravitate(c, False);
94 resize(c, True);
95 }
96
97 wc.x = ev->x;
98 wc.y = ev->y;
99 wc.width = ev->width;
100 wc.height = ev->height;
101 wc.border_width = 1;
102 wc.sibling = None;
103 wc.stack_mode = Above;
104 ev->value_mask &= ~CWStackMode;
105 ev->value_mask |= CWBorderWidth;
106 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
107 XFlush(dpy);
108 }
109
110 static void
111 destroynotify(XEvent *e)
112 {
113 Client *c;
114 XDestroyWindowEvent *ev = &e->xdestroywindow;
115
116 if((c = getclient(ev->window)))
117 unmanage(c);
118 }
119
120 static void
121 enternotify(XEvent *e)
122 {
123 XCrossingEvent *ev = &e->xcrossing;
124 Client *c;
125
126 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
127 return;
128
129 if((c = getclient(ev->window)))
130 focus(c);
131 else if(ev->window == root)
132 issel = True;
133 }
134
135 static void
136 leavenotify(XEvent *e)
137 {
138 XCrossingEvent *ev = &e->xcrossing;
139
140 if((ev->window == root) && !ev->same_screen)
141 issel = True;
142 }
143
144 static void
145 expose(XEvent *e)
146 {
147 XExposeEvent *ev = &e->xexpose;
148 Client *c;
149
150 if(ev->count == 0) {
151 if((c = gettitle(ev->window)))
152 draw_client(c);
153 }
154 }
155
156 static void
157 keymapnotify(XEvent *e)
158 {
159 update_keys();
160 }
161
162 static void
163 maprequest(XEvent *e)
164 {
165 XMapRequestEvent *ev = &e->xmaprequest;
166 static XWindowAttributes wa;
167
168 if(!XGetWindowAttributes(dpy, ev->window, &wa))
169 return;
170
171 if(wa.override_redirect) {
172 XSelectInput(dpy, ev->window,
173 (StructureNotifyMask | PropertyChangeMask));
174 return;
175 }
176
177 if(!getclient(ev->window))
178 manage(ev->window, &wa);
179 }
180
181 static void
182 propertynotify(XEvent *e)
183 {
184 XPropertyEvent *ev = &e->xproperty;
185 Window trans;
186 Client *c;
187
188 if(ev->state == PropertyDelete)
189 return; /* ignore */
190
191 if((c = getclient(ev->window))) {
192 if(ev->atom == wm_atom[WMProtocols]) {
193 c->proto = win_proto(c->win);
194 return;
195 }
196 switch (ev->atom) {
197 default: break;
198 case XA_WM_TRANSIENT_FOR:
199 XGetTransientForHint(dpy, c->win, &trans);
200 if(!c->floating && (c->floating = (trans != 0)))
201 arrange(NULL);
202 break;
203 case XA_WM_NORMAL_HINTS:
204 update_size(c);
205 break;
206 }
207 if(ev->atom == XA_WM_NAME || ev->atom == net_atom[NetWMName]) {
208 update_name(c);
209 draw_client(c);
210 }
211 }
212 }
213
214 static void
215 unmapnotify(XEvent *e)
216 {
217 Client *c;
218 XUnmapEvent *ev = &e->xunmap;
219
220 if((c = getclient(ev->window)))
221 unmanage(c);
222 }