void feh_add_unique_timer(void (*func) (void *data), void *data, double in)
{
static long i = 0;
char evname[20];
snprintf(evname, sizeof(evname), "T_%ld", i);
D(("adding timer with unique name %s\n", evname));
feh_add_timer(func, data, in, evname);
i++;
/* Mega paranoia ;) */
if (i > 1000000)
i = 0;
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 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;
}
void init_slideshow_mode(void)
{
winwidget w = NULL;
int success = 0;
gib_list *l = filelist, *last = NULL;
/*
* In theory, --start-at FILENAME is simple: Look for a file called
* FILENAME, start the filelist there, done.
*
* In practice, there are cases where this isn't sufficient. For instance,
* a user running 'feh --start-at hello.jpg /tmp' will expect feh to start
* at /tmp/hello.jpg, as if they had used
* 'feh --start-at /tmp/hello.jpg /tmp'. Similarly, XDG Desktop files
* may lead to the invocation 'feh --start-at /tmp/hello.jpg .' in /tmp,
* expecting the behaviour of 'feh --start-at ./hello.jpg .'.
*
* Since a good user experience is not about being technically correct, but
* about delivering the expected behaviour, we do some fuzzy matching
* here. In the worst case, this will cause --start-at to start at the
* wrong file.
*/
// Try finding an exact filename match first
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 it didn't work (opt.start_list_at is still set): Fall back to
* comparing just the filenames without directory prefixes. This may lead
* to false positives, but for now that's just the way it is.
*/
if (opt.start_list_at) {
char *current_filename;
char *start_at_filename = strrchr(opt.start_list_at, '/');
if (start_at_filename) {
start_at_filename++; // We only care about the part after the '/'
} else {
start_at_filename = opt.start_list_at;
}
for (l = filelist; l && opt.start_list_at; l = l->next) {
current_filename = strrchr(FEH_FILE(l->data)->filename, '/');
if (current_filename) {
current_filename++; // We only care about the part after the '/'
} else {
current_filename = FEH_FILE(l->data)->filename;
}
if (!strcmp(start_at_filename, current_filename)) {
opt.start_list_at = NULL;
break;
}
}
}
// If that didn't work either, we're out of luck.
if (opt.start_list_at)
eprintf("--start-at %s: File not found in filelist",
opt.start_list_at);
if (!opt.title)
opt.title = PACKAGE " [%u of %l] - %f";
mode = "slideshow";
for (; l; l = l->next) {
if (last) {
filelist = feh_file_remove_from_list(filelist, last);
last = NULL;
}
current_file = l;
if ((w = winwidget_create_from_file(l, WIN_TYPE_SLIDESHOW)) != NULL) {
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 {
last = l;
}
}
if (!success)
show_mini_usage();
return;
}
void slideshow_change_image(winwidget winwid, int change, int render)
{
gib_list *last = NULL;
gib_list *previous_file = current_file;
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;
if (opt.slideshow_delay > 0.0)
feh_add_timer(cb_slide_timer, winwid, opt.slideshow_delay, "SLIDE_CHANGE");
/* Without this, clicking a one-image slideshow reloads it. Not very *
intelligent behaviour :-) */
if (filelist_len < 2 && opt.on_last_slide != ON_LAST_SLIDE_QUIT)
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;
previous_file = NULL;
} else if (change == SLIDE_LAST) {
current_file = filelist;
change = SLIDE_PREV;
previous_file = NULL;
}
/* 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,
(random() % (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;
case SLIDE_JUMP_NEXT_DIR:
{
char old_dir[PATH_MAX], new_dir[PATH_MAX];
int j;
feh_file_dirname(old_dir, FEH_FILE(current_file->data), PATH_MAX);
for (j = 0; j < our_filelist_len; j++) {
current_file = feh_list_jump(filelist, current_file, FORWARD, 1);
feh_file_dirname(new_dir, FEH_FILE(current_file->data), PATH_MAX);
if (strcmp(old_dir, new_dir) != 0)
break;
}
}
change = SLIDE_NEXT;
break;
case SLIDE_JUMP_PREV_DIR:
{
char old_dir[PATH_MAX], new_dir[PATH_MAX];
int j;
/* Start the search from the previous file in case we are on
the first file of a directory */
current_file = feh_list_jump(filelist, current_file, BACK, 1);
feh_file_dirname(old_dir, FEH_FILE(current_file->data), PATH_MAX);
for (j = 0; j < our_filelist_len; j++) {
current_file = feh_list_jump(filelist, current_file, BACK, 1);
feh_file_dirname(new_dir, FEH_FILE(current_file->data), PATH_MAX);
if (strcmp(old_dir, new_dir) != 0)
break;
}
/* Next file is the first entry of prev_dir */
current_file = feh_list_jump(filelist, current_file, FORWARD, 1);
}
change = SLIDE_NEXT;
break;
default:
eprintf("BUG!\n");
break;
}
if (last) {
filelist = feh_file_remove_from_list(filelist, last);
last = NULL;
}
if (opt.on_last_slide == ON_LAST_SLIDE_HOLD && previous_file &&
((current_file == filelist && change == SLIDE_NEXT) ||
(previous_file == filelist && change == SLIDE_PREV))) {
current_file = previous_file;
}
if (winwidget_loadimage(winwid, FEH_FILE(current_file->data))) {
int w = gib_imlib_image_get_width(winwid->im);
int h = gib_imlib_image_get_height(winwid->im);
if (feh_should_ignore_image(winwid->im)) {
last = current_file;
continue;
}
winwid->mode = MODE_NORMAL;
winwid->file = current_file;
if ((winwid->im_w != w) || (winwid->im_h != h))
winwid->had_resize = 1;
winwidget_reset_image(winwid);
winwid->im_w = w;
winwid->im_h = h;
if (render) {
winwidget_render_image(winwid, 1, 0);
}
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");
return;
}
