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 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;
}
