2011-01-17 14:57:59 +01:00
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/* sxiv: main.c
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* Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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2011-01-17 16:41:50 +01:00
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#include <stdlib.h>
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2011-01-19 14:07:45 +01:00
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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2011-01-17 14:57:59 +01:00
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#include "sxiv.h"
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2011-01-19 14:07:45 +01:00
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#include "image.h"
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#include "options.h"
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#include "window.h"
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void on_keypress(XEvent*);
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void on_configurenotify(XEvent*);
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void on_expose(XEvent*);
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static void (*handler[LASTEvent])(XEvent*) = {
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[Expose] = on_expose,
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[ConfigureNotify] = on_configurenotify,
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[KeyPress] = on_keypress
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};
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img_t img;
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win_t win;
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unsigned int fileidx;
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void run() {
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XEvent ev;
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2011-01-17 14:57:59 +01:00
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2011-01-19 14:07:45 +01:00
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while (!XNextEvent(win.env.dpy, &ev)) {
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if (handler[ev.type])
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handler[ev.type](&ev);
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}
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}
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2011-01-17 14:57:59 +01:00
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int main(int argc, char **argv) {
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2011-01-19 18:16:44 +01:00
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parse_options(argc, argv);
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2011-01-19 14:07:45 +01:00
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if (!options->filecnt) {
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print_usage();
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exit(1);
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}
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fileidx = 0;
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img.zoom = 1.0;
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img.scalemode = SCALE_MODE;
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win.w = WIN_WIDTH;
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win.h = WIN_HEIGHT;
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2011-01-17 14:57:59 +01:00
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2011-01-19 14:07:45 +01:00
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win_open(&win);
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imlib_init(&win);
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2011-01-17 16:41:50 +01:00
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2011-01-19 14:07:45 +01:00
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img_load(&img, options->filenames[fileidx]);
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2011-01-20 15:39:08 +01:00
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img_display(&img, &win);
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2011-01-19 14:07:45 +01:00
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run();
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cleanup();
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2011-01-17 16:41:50 +01:00
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2011-01-17 14:57:59 +01:00
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return 0;
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}
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2011-01-18 15:33:25 +01:00
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void cleanup() {
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static int in = 0;
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2011-01-19 14:07:45 +01:00
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if (!in++) {
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imlib_destroy();
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win_close(&win);
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}
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}
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void on_keypress(XEvent *ev) {
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KeySym keysym;
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if (!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:
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cleanup();
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exit(1);
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case XK_q:
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cleanup();
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exit(0);
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2011-01-20 16:04:34 +01:00
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case XK_n:
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case XK_space:
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if (fileidx + 1 < options->filecnt) {
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img_load(&img, options->filenames[++fileidx]);
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img_display(&img, &win);
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}
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break;
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case XK_p:
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case XK_BackSpace:
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if (fileidx > 0) {
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img_load(&img, options->filenames[--fileidx]);
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img_display(&img, &win);
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}
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break;
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2011-01-19 14:07:45 +01:00
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}
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}
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void on_configurenotify(XEvent *ev) {
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if (!ev)
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return;
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win_configure(&win, &ev->xconfigure);
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}
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void on_expose(XEvent *ev) {
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2011-01-20 15:39:08 +01:00
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if (!ev)
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return;
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img_render(&img, &win, ev->xexpose.x, ev->xexpose.y,
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ev->xexpose.width, ev->xexpose.height);
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2011-01-18 15:33:25 +01:00
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}
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