| 1 | /* sxiv: events.c |
| 2 | * Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #include <stdlib.h> |
| 20 | |
| 21 | #include <X11/Xlib.h> |
| 22 | #include <X11/keysym.h> |
| 23 | |
| 24 | #include "events.h" |
| 25 | #include "window.h" |
| 26 | |
| 27 | extern Display *dpy; |
| 28 | |
| 29 | void on_expose(app_t *app, XEvent *ev) { |
| 30 | } |
| 31 | |
| 32 | void on_configurenotify(app_t *app, XEvent *ev) { |
| 33 | if (!app || !ev) |
| 34 | return; |
| 35 | |
| 36 | win_configure(&app->win, &ev->xconfigure); |
| 37 | } |
| 38 | |
| 39 | void on_keypress(app_t *app, XEvent *ev) { |
| 40 | KeySym keysym; |
| 41 | XKeyEvent *kev; |
| 42 | |
| 43 | if (!app || !ev) |
| 44 | return; |
| 45 | |
| 46 | kev = &ev->xkey; |
| 47 | keysym = XKeycodeToKeysym(dpy, (KeyCode) kev->keycode, 0); |
| 48 | |
| 49 | switch (keysym) { |
| 50 | case XK_Escape: |
| 51 | app_quit(app); |
| 52 | exit(1); |
| 53 | case XK_q: |
| 54 | app_quit(app); |
| 55 | exit(0); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | static void (*handler[LASTEvent])(app_t*, XEvent*) = { |
| 60 | [Expose] = on_expose, |
| 61 | [ConfigureNotify] = on_configurenotify, |
| 62 | [KeyPress] = on_keypress |
| 63 | }; |
| 64 | |
| 65 | void event_loop(app_t *app) { |
| 66 | XEvent ev; |
| 67 | |
| 68 | while (!XNextEvent(dpy, &ev)) { |
| 69 | if (handler[ev.type]) |
| 70 | handler[ev.type](app, &ev); |
| 71 | } |
| 72 | } |