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88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/* event.c - WindowMaker event handler
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*
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* WMlib - WindowMaker application programming interface
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*
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* Copyright (C) 1997-2003 Alfredo K. Kojima
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include "WMaker.h"
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#include "app.h"
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#include "menu.h"
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static Atom _XA_WINDOWMAKER_MENU = 0;
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enum {
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wmSelectItem = 1
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};
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static wmMenuEntry *findEntry(WMMenu * menu, int tag)
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{
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wmMenuEntry *entry = menu->first;
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while (entry) {
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if (entry->tag == tag) {
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return entry;
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}
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if (entry->cascade) {
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wmMenuEntry *tmp;
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tmp = findEntry(entry->cascade, tag);
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if (tmp)
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return tmp;
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}
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entry = entry->next;
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}
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return NULL;
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}
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static void wmHandleMenuEvents(WMAppContext * app, XEvent * event)
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{
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wmMenuEntry *entry;
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switch (event->xclient.data.l[1]) {
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case wmSelectItem:
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entry = findEntry(app->main_menu, event->xclient.data.l[2]);
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if (entry && entry->callback) {
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(*entry->callback) (entry->clientData, event->xclient.data.l[2], event->xclient.data.l[0]);
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}
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break;
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}
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}
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int WMProcessEvent(WMAppContext * app, XEvent * event)
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{
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int proc = False;
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if (!_XA_WINDOWMAKER_MENU) {
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_XA_WINDOWMAKER_MENU = XInternAtom(app->dpy, "_WINDOWMAKER_MENU", False);
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}
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switch (event->type) {
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case ClientMessage:
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if (event->xclient.format == 32
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&& event->xclient.message_type == _XA_WINDOWMAKER_MENU
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&& event->xclient.window == app->main_window) {
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wmHandleMenuEvents(app, event);
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proc = True;
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}
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}
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return proc;
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}
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