New option: -C, clean thumbnail cache

This commit is contained in:
Bert 2011-04-08 14:44:00 +02:00
parent eee921efe0
commit dc54981a68
5 changed files with 83 additions and 18 deletions

6
main.c
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@ -104,6 +104,12 @@ int main(int argc, char **argv) {
parse_options(argc, argv);
if (options->clean_cache) {
tns_init(&tns, 0);
tns_clear_cache(&tns);
exit(0);
}
if (!options->filecnt) {
print_usage();
exit(1);

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@ -31,7 +31,7 @@ options_t _options;
const options_t *options = (const options_t*) &_options;
void print_usage() {
printf("usage: sxiv [-adFfhpqrstvZ] [-g GEOMETRY] [-z ZOOM] FILES...\n");
printf("usage: sxiv [-aCdFfhpqrstvZ] [-g GEOMETRY] [-z ZOOM] FILES...\n");
}
void print_version() {
@ -53,9 +53,10 @@ void parse_options(int argc, char **argv) {
_options.all = 0;
_options.quiet = 0;
_options.clean_cache = 0;
_options.recursive = 0;
while ((opt = getopt(argc, argv, "adFfg:hpqrstvZz:")) != -1) {
while ((opt = getopt(argc, argv, "aCdFfg:hpqrstvZz:")) != -1) {
switch (opt) {
case '?':
print_usage();
@ -63,6 +64,9 @@ void parse_options(int argc, char **argv) {
case 'a':
_options.all = 1;
break;
case 'C':
_options.clean_cache = 1;
break;
case 'd':
_options.scalemode = SCALE_DOWN;
break;

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@ -37,6 +37,7 @@ typedef struct {
unsigned char all;
unsigned char quiet;
unsigned char clean_cache;
unsigned char recursive;
} options_t;

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@ -71,7 +71,10 @@ Imlib_Image* tns_cache_load(const char *filename) {
struct stat cstats, fstats;
Imlib_Image *im = NULL;
if (!filename || stat(filename, &fstats))
if (!filename)
return NULL;
if (stat(filename, &fstats))
return NULL;
if ((cfile = tns_cache_filename(filename))) {
@ -97,6 +100,7 @@ void tns_cache_write(thumb_t *t, Bool force) {
if (!t || !t->im || !t->filename)
return;
if (stat(t->filename, &fstats))
return;
@ -130,6 +134,40 @@ void tns_cache_write(thumb_t *t, Bool force) {
}
}
void tns_clear_cache(tns_t *tns) {
int dirlen, delete;
char *cfile, *filename, *tpos;
r_dir_t dir;
if (!cache_dir)
return;
if (r_opendir(&dir, cache_dir)) {
warn("could not open thumbnail cache directory: %s", cache_dir);
return;
}
dirlen = strlen(cache_dir);
while ((cfile = r_readdir(&dir))) {
filename = cfile + dirlen;
delete = 0;
if ((tpos = strrchr(filename, '.'))) {
*tpos = '\0';
delete = access(filename, F_OK);
*tpos = '.';
}
if (delete && unlink(cfile))
warn("could not delete cache file: %s", cfile);
free(cfile);
}
r_closedir(&dir);
}
void tns_init(tns_t *tns, int cnt) {
int len;
@ -138,9 +176,14 @@ void tns_init(tns_t *tns, int cnt) {
if (!tns)
return;
tns->cnt = tns->first = tns->sel = 0;
if (cnt) {
tns->thumbs = (thumb_t*) s_malloc(cnt * sizeof(thumb_t));
memset(tns->thumbs, 0, cnt * sizeof(thumb_t));
} else {
tns->thumbs = NULL;
}
tns->cnt = tns->first = tns->sel = 0;
tns->cap = cnt;
tns->dirty = 0;
@ -150,24 +193,27 @@ void tns_init(tns_t *tns, int cnt) {
len = strlen(homedir) + 10;
cache_dir = (char*) s_malloc(len * sizeof(char));
snprintf(cache_dir, len, "%s/.sxiv", homedir);
} else {
warn("could not locate thumbnail cache directory");
}
}
void tns_free(tns_t *tns, win_t *win) {
int i;
if (!tns || !tns->thumbs)
if (!tns)
return;
if (tns->thumbs) {
for (i = 0; i < tns->cnt; ++i) {
if (tns->thumbs[i].im) {
imlib_context_set_image(tns->thumbs[i].im);
imlib_free_image();
}
}
free(tns->thumbs);
tns->thumbs = NULL;
}
if (cache_dir) {
free(cache_dir);
@ -182,7 +228,7 @@ void tns_load(tns_t *tns, win_t *win, int n, const char *filename) {
thumb_t *t;
Imlib_Image *im;
if (!tns || !win || !filename)
if (!tns || !tns->thumbs || !win || !filename)
return;
if (n >= tns->cap)
@ -265,7 +311,10 @@ void tns_render(tns_t *tns, win_t *win) {
int i, cnt, r, x, y;
thumb_t *t;
if (!tns || !tns->dirty || !win)
if (!tns || !tns->thumbs || !win)
return;
if (!tns->dirty)
return;
win_clear(win);
@ -313,7 +362,7 @@ void tns_highlight(tns_t *tns, win_t *win, int n, Bool hl) {
thumb_t *t;
unsigned long col;
if (!tns || !win)
if (!tns || !tns->thumbs || !win)
return;
if (n >= 0 && n < tns->cnt) {
@ -336,7 +385,7 @@ void tns_highlight(tns_t *tns, win_t *win, int n, Bool hl) {
int tns_move_selection(tns_t *tns, win_t *win, tnsdir_t dir) {
int old;
if (!tns || !win)
if (!tns || !tns->thumbs || !win)
return 0;
old = tns->sel;
@ -395,7 +444,10 @@ int tns_translate(tns_t *tns, int x, int y) {
int n;
thumb_t *t;
if (!tns || x < tns->x || y < tns->y)
if (!tns || !tns->thumbs)
return -1;
if (x < tns->x || y < tns->y)
return -1;
n = tns->first + (y - tns->y) / thumb_dim * tns->cols +

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@ -52,6 +52,8 @@ typedef struct {
unsigned char dirty;
} tns_t;
void tns_clear_cache(tns_t*);
void tns_init(tns_t*, int);
void tns_free(tns_t*, win_t*);