113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
/* 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 [-dfhpsvZ] [-w WIDTH[xHEIGHT]] [-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) {
|
|
unsigned short w, h;
|
|
float z;
|
|
int opt;
|
|
|
|
_options.scalemode = SCALE_MODE;
|
|
_options.zoom = 1.0;
|
|
_options.aa = 1;
|
|
|
|
_options.winw = w = 0;
|
|
_options.winh = h = 0;
|
|
_options.fullscreen = 0;
|
|
|
|
while ((opt = getopt(argc, argv, "dfhpsvw:Zz:")) != -1) {
|
|
switch (opt) {
|
|
case '?':
|
|
print_usage();
|
|
exit(1);
|
|
case 'd':
|
|
_options.scalemode = SCALE_DOWN;
|
|
break;
|
|
case 'f':
|
|
_options.fullscreen = 1;
|
|
break;
|
|
case 'h':
|
|
print_usage();
|
|
exit(0);
|
|
case 'p':
|
|
_options.aa = 0;
|
|
break;
|
|
case 's':
|
|
_options.scalemode = SCALE_FIT;
|
|
break;
|
|
case 'v':
|
|
print_version();
|
|
exit(0);
|
|
case 'w':
|
|
if (!sscanf(optarg, "%hux%hu", &w, &h)) {
|
|
fprintf(stderr, "sxiv: invalid argument for option -w: %s\n",
|
|
optarg);
|
|
exit(1);
|
|
} else {
|
|
_options.winw = (int) w;
|
|
_options.winh = (int) h;
|
|
}
|
|
break;
|
|
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;
|
|
}
|
|
}
|
|
|
|
if (!_options.winw) {
|
|
_options.winw = WIN_WIDTH;
|
|
_options.winh = WIN_HEIGHT;
|
|
} else if (!_options.winh) {
|
|
_options.winh = _options.winw;
|
|
}
|
|
|
|
_options.filenames = (const char**) argv + optind;
|
|
_options.filecnt = argc - optind;
|
|
}
|