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authorguns <self@sungpae.com>2013-01-18 03:19:36 -0600
committerguns <self@sungpae.com>2013-01-30 14:34:41 -0600
commit4fae6007dd64d223cdae3f977003f38e3036bada (patch)
tree8f0ad713451491efed75d5d16cfb2771fb17c249 /src
parent71c7ff9ff8eca3008f4b08ef1c4a670b9eb7c7fa (diff)
New sort option: mtime
Sort filelist by modification time, newer files first. Useful for perusing a directory of images by most recently added or changed.
Diffstat (limited to 'src')
-rw-r--r--src/filelist.c24
-rw-r--r--src/filelist.h3
-rw-r--r--src/help.raw3
-rw-r--r--src/options.c2
4 files changed, 29 insertions, 3 deletions
diff --git a/src/filelist.c b/src/filelist.c
index 542dbdf..8f3bfe9 100644
--- a/src/filelist.c
+++ b/src/filelist.c
@@ -354,6 +354,25 @@ int feh_cmp_name(void *file1, void *file2)
return(strcmp(FEH_FILE(file1)->name, FEH_FILE(file2)->name));
}
+/* Return -1 if file1 is _newer_ than file2 */
+int feh_cmp_mtime(void *file1, void *file2)
+{
+ struct stat s1, s2;
+
+ if (stat(FEH_FILE(file1)->filename, &s1)) {
+ feh_print_stat_error(FEH_FILE(file1)->filename);
+ return(-1);
+ }
+
+ if (stat(FEH_FILE(file2)->filename, &s2)) {
+ feh_print_stat_error(FEH_FILE(file2)->filename);
+ return(-1);
+ }
+
+ /* gib_list_sort is not stable, so explicitly return 0 as -1 */
+ return(s1.st_mtime >= s2.st_mtime ? -1 : 1);
+}
+
int feh_cmp_width(void *file1, void *file2)
{
return((FEH_FILE(file1)->info->width - FEH_FILE(file2)->info->width));
@@ -381,7 +400,7 @@ int feh_cmp_format(void *file1, void *file2)
void feh_prepare_filelist(void)
{
- if (opt.list || opt.customlist || (opt.sort > SORT_FILENAME)
+ if (opt.list || opt.customlist || (opt.sort > SORT_MTIME)
|| opt.preload || opt.min_width || opt.min_height
|| (opt.max_width != UINT_MAX) || (opt.max_height != UINT_MAX)) {
/* For these sort options, we have to preload images */
@@ -407,6 +426,9 @@ void feh_prepare_filelist(void)
case SORT_FILENAME:
filelist = gib_list_sort(filelist, feh_cmp_filename);
break;
+ case SORT_MTIME:
+ filelist = gib_list_sort(filelist, feh_cmp_mtime);
+ break;
case SORT_WIDTH:
filelist = gib_list_sort(filelist, feh_cmp_width);
break;
diff --git a/src/filelist.h b/src/filelist.h
index 00e36e8..7bfd518 100644
--- a/src/filelist.h
+++ b/src/filelist.h
@@ -56,7 +56,7 @@ struct __feh_file_info {
enum filelist_recurse { FILELIST_FIRST, FILELIST_CONTINUE, FILELIST_LAST };
-enum sort_type { SORT_NONE, SORT_NAME, SORT_FILENAME, SORT_WIDTH,
+enum sort_type { SORT_NONE, SORT_NAME, SORT_FILENAME, SORT_MTIME, SORT_WIDTH,
SORT_HEIGHT,
SORT_PIXELS,
SORT_SIZE, SORT_FORMAT
@@ -82,6 +82,7 @@ void feh_save_filelist();
int feh_cmp_name(void *file1, void *file2);
int feh_cmp_filename(void *file1, void *file2);
+int feh_cmp_mtime(void *file1, void *file2);
int feh_cmp_width(void *file1, void *file2);
int feh_cmp_height(void *file1, void *file2);
int feh_cmp_pixels(void *file1, void *file2);
diff --git a/src/help.raw b/src/help.raw
index 27e3b6c..462e715 100644
--- a/src/help.raw
+++ b/src/help.raw
@@ -46,7 +46,8 @@ OPTIONS
-U, --loadable List all loadable files. No image display
-u, --unloadable List all unloadable files. No image display
-S, --sort SORT_TYPE Sort files by:
- name, filename, width, height, pixels, size or format
+ name, filename, mtime, width, height, pixels, size,
+ or format
-n, --reverse Reverse sort order
-A, --action ACTION Specify action to perform when pressing <return>.
Executed by /bin/sh, may contain FORMAT SPECIFIERS
diff --git a/src/options.c b/src/options.c
index cdd37d1..469115e 100644
--- a/src/options.c
+++ b/src/options.c
@@ -501,6 +501,8 @@ static void feh_parse_option_array(int argc, char **argv, int finalrun)
opt.sort = SORT_NAME;
else if (!strcasecmp(optarg, "filename"))
opt.sort = SORT_FILENAME;
+ else if (!strcasecmp(optarg, "mtime"))
+ opt.sort = SORT_MTIME;
else if (!strcasecmp(optarg, "width"))
opt.sort = SORT_WIDTH;
else if (!strcasecmp(optarg, "height"))