nsxiv/events.c

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/* sxiv: events.c
* Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include "events.h"
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#include "window.h"
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void on_keypress(app_t*, XEvent*);
void on_configurenotify(app_t*, XEvent*);
void on_expose(app_t*, XEvent*);
static void (*handler[LASTEvent])(app_t*, XEvent*) = {
[Expose] = on_expose,
[ConfigureNotify] = on_configurenotify,
[KeyPress] = on_keypress
};
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void event_loop(app_t *app) {
XEvent ev;
while (!XNextEvent(app->win.env.dpy, &ev)) {
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if (handler[ev.type])
handler[ev.type](app, &ev);
}
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}
void on_keypress(app_t *app, XEvent *ev) {
KeySym keysym;
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if (!app || !ev)
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return;
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keysym = XLookupKeysym(&ev->xkey, 0);
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switch (keysym) {
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case XK_Escape:
app_quit(app);
exit(1);
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case XK_q:
app_quit(app);
exit(0);
}
}
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void on_configurenotify(app_t *app, XEvent *ev) {
if (!app || !ev)
return;
win_configure(&app->win, &ev->xconfigure);
}
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void on_expose(app_t *app, XEvent *ev) {
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}