1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#define _POSIX_C_SOURCE 2 /* for getopt(3) */
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "options.h"
#include "util.h"
#define _IMAGE_CONFIG
#include "config.h"
options_t _options;
const options_t *options = (const options_t*) &_options;
void print_usage() {
printf("usage: sxiv [-cdFfhpqrstvZ] [-g GEOMETRY] [-n NUM] [-z ZOOM] FILES...\n");
}
void print_version() {
printf("sxiv %s - simple x image viewer\n", VERSION);
}
void parse_options(int argc, char **argv) {
float z;
int n, opt;
_options.startnum = 0;
_options.scalemode = SCALE_MODE;
_options.zoom = 1.0;
_options.aa = 1;
_options.thumbnails = 0;
_options.fixed = 0;
_options.fullscreen = 0;
_options.geometry = NULL;
_options.quiet = 0;
_options.clean_cache = 0;
_options.recursive = 0;
while ((opt = getopt(argc, argv, "cdFfg:hn:pqrstvZz:")) != -1) {
switch (opt) {
case '?':
print_usage();
exit(1);
case 'c':
_options.clean_cache = 1;
break;
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 'n':
if (!sscanf(optarg, "%d", &n) || n < 1) {
fprintf(stderr, "sxiv: invalid argument for option -n: %s\n",
optarg);
exit(1);
} else {
_options.startnum = n - 1;
}
break;
case 'p':
_options.aa = 0;
break;
case 'q':
_options.quiet = 1;
break;
case 'r':
_options.recursive = 1;
break;
case 's':
_options.scalemode = SCALE_FIT;
break;
case 't':
_options.thumbnails = 1;
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 = argv + optind;
_options.filecnt = argc - optind;
_options.from_stdin = _options.filecnt == 1 &&
strcmp(_options.filenames[0], "-") == 0;
}
|
