Change to the linux kernel coding style
[wmaker-crm.git] / wmlib / event.c
1 /* event.c - WindowMaker event handler
2 *
3 * WMlib - WindowMaker application programming interface
4 *
5 * Copyright (C) 1997-2003 Alfredo K. Kojima
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the Free
19 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <X11/Xlib.h>
25 #include <X11/Xutil.h>
26
27 #include "WMaker.h"
28 #include "app.h"
29 #include "menu.h"
30
31 static Atom _XA_WINDOWMAKER_MENU = 0;
32
33 enum {
34 wmSelectItem = 1
35 };
36
37 static wmMenuEntry *findEntry(WMMenu * menu, int tag)
38 {
39 wmMenuEntry *entry = menu->first;
40
41 while (entry) {
42 if (entry->tag == tag) {
43 return entry;
44 }
45 if (entry->cascade) {
46 wmMenuEntry *tmp;
47 tmp = findEntry(entry->cascade, tag);
48 if (tmp)
49 return tmp;
50 }
51 entry = entry->next;
52 }
53 return NULL;
54 }
55
56 static void wmHandleMenuEvents(WMAppContext * app, XEvent * event)
57 {
58 wmMenuEntry *entry;
59
60 switch (event->xclient.data.l[1]) {
61 case wmSelectItem:
62 entry = findEntry(app->main_menu, event->xclient.data.l[2]);
63 if (entry && entry->callback) {
64 (*entry->callback) (entry->clientData, event->xclient.data.l[2], event->xclient.data.l[0]);
65 }
66 break;
67 }
68 }
69
70 int WMProcessEvent(WMAppContext * app, XEvent * event)
71 {
72 int proc = False;
73 if (!_XA_WINDOWMAKER_MENU) {
74 _XA_WINDOWMAKER_MENU = XInternAtom(app->dpy, "_WINDOWMAKER_MENU", False);
75 }
76 switch (event->type) {
77 case ClientMessage:
78 if (event->xclient.format == 32
79 && event->xclient.message_type == _XA_WINDOWMAKER_MENU
80 && event->xclient.window == app->main_window) {
81 wmHandleMenuEvents(app, event);
82 proc = True;
83 }
84 }
85 return proc;
86 }