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/* sxiv: options.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.
*/
#define _XOPEN_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include "sxiv.h"
#include "options.h"
options_t _options;
const options_t *options = (const options_t*) &_options;
void print_usage() {
printf("usage: sxiv [-dFfhpqsvZ] [-g GEOMETRY] [-z ZOOM] FILES...\n");
}
void print_version() {
printf("sxiv - simple x image viewer\n");
printf("Version %s, written by Bert Muennich\n", VERSION);
}
void parse_options(int argc, char **argv) {
float z;
int opt;
_options.scalemode = SCALE_MODE;
_options.zoom = 1.0;
_options.aa = 1;
_options.fixed = 0;
_options.fullscreen = 0;
_options.geometry = NULL;
_options.quiet = 0;
_options.recursive = 0;
while ((opt = getopt(argc, argv, "dFfg:hpqsvZz:")) != -1) {
switch (opt) {
case '?':
print_usage();
exit(1);
case 'd':
_options.scalemode = SCALE_DOWN;
break;
case 'F':
_options.fixed = 1;
break;
case 'f':
_options.fullscreen = 1;
break;
case 'g':
_options.geometry = optarg;
break;
case 'h':
print_usage();
exit(0);
case 'p':
_options.aa = 0;
break;
case 'q':
_options.quiet = 1;
break;
case 's':
_options.scalemode = SCALE_FIT;
break;
case 'v':
print_version();
exit(0);
case 'Z':
_options.scalemode = SCALE_ZOOM;
_options.zoom = 1.0;
break;
case 'z':
_options.scalemode = SCALE_ZOOM;
if (!sscanf(optarg, "%f", &z) || z < 0) {
fprintf(stderr, "sxiv: invalid argument for option -z: %s\n",
optarg);
exit(1);
} else {
_options.zoom = z / 100.0;
}
break;
}
}
_options.filenames = (const char**) argv + optind;
_options.filecnt = argc - optind;
}
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