void feh_filelist_image_remove(winwidget winwid, char do_delete)
{
if (winwid->type == WIN_TYPE_SLIDESHOW) {
char *s;
gib_list *doomed;
doomed = current_file;
slideshow_change_image(winwid, SLIDE_NEXT, 0);
if (do_delete)
filelist = feh_file_rm_and_free(filelist, doomed);
else
filelist = feh_file_remove_from_list(filelist, doomed);
if (!filelist) {
/* No more images. Game over ;-) */
winwidget_destroy(winwid);
return;
}
s = slideshow_create_name(FEH_FILE(winwid->file->data), winwid);
winwidget_rename(winwid, s);
free(s);
winwidget_render_image(winwid, 1, 0);
} else if ((winwid->type == WIN_TYPE_SINGLE)
|| (winwid->type == WIN_TYPE_THUMBNAIL_VIEWER)) {
if (do_delete)
filelist = feh_file_rm_and_free(filelist, winwid->file);
else
filelist = feh_file_remove_from_list(filelist, winwid->file);
winwidget_destroy(winwid);
}
}
void cb_reload_timer(void *data)
{
gib_list *l;
char *current_filename;
winwidget w = (winwidget) data;
/* save the current filename for refinding it in new list */
current_filename = estrdup(FEH_FILE(current_file->data)->filename);
for (l = filelist; l; l = l->next) {
feh_file_free(l->data);
l->data = NULL;
}
gib_list_free_and_data(filelist);
filelist = NULL;
filelist_len = 0;
current_file = NULL;
/* rebuild filelist from original_file_items */
if (gib_list_length(original_file_items) > 0)
for (l = gib_list_last(original_file_items); l; l = l->prev)
add_file_to_filelist_recursively(l->data, FILELIST_FIRST);
else if (!opt.filelistfile && !opt.bgmode)
add_file_to_filelist_recursively(".", FILELIST_FIRST);
if (!(filelist_len = gib_list_length(filelist))) {
eprintf("No files found to reload.");
}
/* find the previously current file */
for (l = filelist; l; l = l->next)
if (strcmp(FEH_FILE(l->data)->filename, current_filename) == 0) {
current_file = l;
break;
}
free(current_filename);
filelist = gib_list_first(gib_list_reverse(filelist));
if (!current_file)
current_file = filelist;
w->file = current_file;
/* reset window name in case of current file order,
* filename, or filelist_length has changed.
*/
current_filename = slideshow_create_name(FEH_FILE(current_file->data), w);
winwidget_rename(w, current_filename);
free(current_filename);
feh_reload_image(w, 1, 0);
if (opt.reload)
feh_add_unique_timer(cb_reload_timer, w, opt.reload);
return;
}
void init_slideshow_mode(void)
{
winwidget w = NULL;
int success = 0;
char *s = NULL;
gib_list *l = filelist, *last = NULL;
feh_file *file = NULL;
for (; l && opt.start_list_at; l = l->next) {
if (!strcmp(opt.start_list_at, FEH_FILE(l->data)->filename)) {
opt.start_list_at = NULL;
break;
}
}
if (opt.start_list_at)
eprintf("--start-at %s: File not found in filelist",
opt.start_list_at);
mode = "slideshow";
for (; l; l = l->next) {
file = FEH_FILE(l->data);
if (last) {
filelist = feh_file_remove_from_list(filelist, last);
last = NULL;
}
current_file = l;
s = slideshow_create_name(file, NULL);
if ((w = winwidget_create_from_file(l, s, WIN_TYPE_SLIDESHOW)) != NULL) {
free(s);
success = 1;
winwidget_show(w);
if (opt.slideshow_delay > 0.0)
feh_add_timer(cb_slide_timer, w, opt.slideshow_delay, "SLIDE_CHANGE");
if (opt.reload > 0)
feh_add_unique_timer(cb_reload_timer, w, opt.reload);
break;
} else {
free(s);
last = l;
}
}
if (!success)
show_mini_usage();
return;
}
void feh_filelist_image_remove(winwidget winwid, char do_delete)
{
if (winwid->type == WIN_TYPE_SLIDESHOW) {
char *s;
gib_list *doomed;
doomed = current_file;
/*
* work around feh_list_jump exiting if cycle_once is enabled
* and no further files are left (we need to delete first)
*/
if (opt.cycle_once && ! doomed->next && do_delete) {
feh_file_rm_and_free(filelist, doomed);
exit(0);
}
if (doomed->next) {
slideshow_change_image(winwid, SLIDE_NEXT, 0);
}
else {
slideshow_change_image(winwid, SLIDE_PREV, 0);
}
if (do_delete)
filelist = feh_file_rm_and_free(filelist, doomed);
else
filelist = feh_file_remove_from_list(filelist, doomed);
if (!filelist) {
/* No more images. Game over ;-) */
winwidget_destroy(winwid);
return;
}
s = slideshow_create_name(FEH_FILE(winwid->file->data), winwid);
winwidget_rename(winwid, s);
free(s);
winwidget_render_image(winwid, 1, 0);
} else if ((winwid->type == WIN_TYPE_SINGLE)
|| (winwid->type == WIN_TYPE_THUMBNAIL_VIEWER)) {
if (do_delete)
filelist = feh_file_rm_and_free(filelist, winwid->file);
else
filelist = feh_file_remove_from_list(filelist, winwid->file);
winwidget_destroy(winwid);
}
}
void slideshow_change_image(winwidget winwid, int change, int render)
{
gib_list *last = NULL;
int i = 0;
int jmp = 1;
/* We can't use filelist_len in the for loop, since that changes when we
* encounter invalid images.
*/
int our_filelist_len = filelist_len;
char *s;
unsigned char tmode =0;
int tim_x =0;
int tim_y =0;
double tzoom =0;
/* Without this, clicking a one-image slideshow reloads it. Not very *
intelligent behaviour :-) */
if (filelist_len < 2 && opt.cycle_once == 0)
return;
/* Ok. I do this in such an odd way to ensure that if the last or first *
image is not loadable, it will go through in the right direction to *
find the correct one. Otherwise SLIDE_LAST would try the last file, *
then loop forward to find a loadable one. */
if (change == SLIDE_FIRST) {
current_file = gib_list_last(filelist);
change = SLIDE_NEXT;
} else if (change == SLIDE_LAST) {
current_file = filelist;
change = SLIDE_PREV;
}
/* The for loop prevents us looping infinitely */
for (i = 0; i < our_filelist_len; i++) {
winwidget_free_image(winwid);
switch (change) {
case SLIDE_NEXT:
current_file = feh_list_jump(filelist, current_file, FORWARD, 1);
break;
case SLIDE_PREV:
current_file = feh_list_jump(filelist, current_file, BACK, 1);
break;
case SLIDE_RAND:
if (filelist_len > 1) {
current_file = feh_list_jump(filelist, current_file, FORWARD,
(rand() % (filelist_len - 1)) + 1);
change = SLIDE_NEXT;
}
break;
case SLIDE_JUMP_FWD:
if (filelist_len < 5)
jmp = 1;
else if (filelist_len < 40)
jmp = 2;
else
jmp = filelist_len / 20;
if (!jmp)
jmp = 2;
current_file = feh_list_jump(filelist, current_file, FORWARD, jmp);
/* important. if the load fails, we only want to step on ONCE to
try the next file, not another jmp */
change = SLIDE_NEXT;
break;
case SLIDE_JUMP_BACK:
if (filelist_len < 5)
jmp = 1;
else if (filelist_len < 40)
jmp = 2;
else
jmp = filelist_len / 20;
if (!jmp)
jmp = 2;
current_file = feh_list_jump(filelist, current_file, BACK, jmp);
/* important. if the load fails, we only want to step back ONCE to
try the previous file, not another jmp */
change = SLIDE_NEXT;
break;
default:
eprintf("BUG!\n");
break;
}
if (last) {
filelist = feh_file_remove_from_list(filelist, last);
last = NULL;
}
if (opt.keep_zoom_vp) {
/* pre loadimage - record settings */
tmode = winwid->mode;
tim_x = winwid->im_x;
tim_y = winwid->im_y;
tzoom = winwid->zoom;
}
if ((winwidget_loadimage(winwid, FEH_FILE(current_file->data)))
!= 0) {
winwid->mode = MODE_NORMAL;
winwid->file = current_file;
if ((winwid->im_w != gib_imlib_image_get_width(winwid->im))
|| (winwid->im_h != gib_imlib_image_get_height(winwid->im)))
winwid->had_resize = 1;
winwidget_reset_image(winwid);
winwid->im_w = gib_imlib_image_get_width(winwid->im);
winwid->im_h = gib_imlib_image_get_height(winwid->im);
if (opt.keep_zoom_vp) {
/* put back in: */
winwid->mode = tmode;
winwid->im_x = tim_x;
winwid->im_y = tim_y;
winwid->zoom = tzoom;
}
if (render) {
if (opt.keep_zoom_vp) {
winwidget_render_image(winwid, 0, 0);
} else {
winwidget_render_image(winwid, 1, 0);
}
}
s = slideshow_create_name(FEH_FILE(current_file->data), winwid);
winwidget_rename(winwid, s);
free(s);
break;
} else
last = current_file;
}
if (last)
filelist = feh_file_remove_from_list(filelist, last);
if (filelist_len == 0)
eprintf("No more slides in show");
if (opt.slideshow_delay > 0.0)
feh_add_timer(cb_slide_timer, winwid, opt.slideshow_delay, "SLIDE_CHANGE");
return;
}
