void winwidget_render_image(winwidget winwid, int resize, int force_alias)
{
int sx, sy, sw, sh, dx, dy, dw, dh;
int calc_w, calc_h;
int antialias = 0;
if (!winwid->full_screen && resize) {
winwidget_resize(winwid, winwid->im_w, winwid->im_h, 0);
winwidget_reset_image(winwid);
}
D(("winwidget_render_image resize %d force_alias %d im %dx%d\n",
resize, force_alias, winwid->im_w, winwid->im_h));
/* winwidget_setup_pixmaps(winwid) resets the winwid->had_resize flag */
int had_resize = winwid->had_resize || resize;
winwidget_setup_pixmaps(winwid);
if (had_resize && !opt.keep_zoom_vp && (winwid->type != WIN_TYPE_THUMBNAIL)) {
double required_zoom = 1.0;
feh_calc_needed_zoom(&required_zoom, winwid->im_w, winwid->im_h, winwid->w, winwid->h);
winwid->zoom = opt.default_zoom ? (0.01 * opt.default_zoom) : 1.0;
if ((opt.scale_down || (winwid->full_screen && !opt.default_zoom))
&& winwid->zoom > required_zoom)
winwid->zoom = required_zoom;
else if ((opt.zoom_mode && required_zoom > 1)
&& (!opt.default_zoom || required_zoom < winwid->zoom))
winwid->zoom = required_zoom;
if (opt.offset_flags & XValue) {
if (opt.offset_flags & XNegative) {
winwid->im_x = winwid->w - (winwid->im_w * winwid->zoom) - opt.offset_x;
} else {
winwid->im_x = - opt.offset_x * winwid->zoom;
}
} else {
winwid->im_x = (int) (winwid->w - (winwid->im_w * winwid->zoom)) >> 1;
}
if (opt.offset_flags & YValue) {
if (opt.offset_flags & YNegative) {
winwid->im_y = winwid->h - (winwid->im_h * winwid->zoom) - opt.offset_y;
} else {
winwid->im_y = - opt.offset_y * winwid->zoom;
}
} else {
winwid->im_y = (int) (winwid->h - (winwid->im_h * winwid->zoom)) >> 1;
}
}
void winwidget_render_image(winwidget winwid, int resize, int force_alias)
{
int sx, sy, sw, sh, dx, dy, dw, dh;
int calc_w, calc_h;
int antialias = 0;
int need_center = winwid->had_resize;
if (!winwid->full_screen && resize) {
winwidget_resize(winwid, winwid->im_w, winwid->im_h);
winwidget_reset_image(winwid);
}
/* bounds checks for panning */
if (winwid->im_x > winwid->w)
winwid->im_x = winwid->w;
if (winwid->im_y > winwid->h)
winwid->im_y = winwid->h;
D(("winwidget_render_image resize %d force_alias %d im %dx%d\n",
resize, force_alias, winwid->im_w, winwid->im_h));
winwidget_setup_pixmaps(winwid);
if (!winwid->full_screen && opt.scale_down && ((winwid->w < winwid->im_w)
|| (winwid->h < winwid->im_h)) &&
(winwid->type != WIN_TYPE_THUMBNAIL) &&
(winwid->old_zoom == 1.0)) {
D(("scaling down image %dx%d\n", winwid->w, winwid->h));
feh_calc_needed_zoom(&(winwid->zoom), winwid->im_w, winwid->im_h, winwid->w, winwid->h);
if (resize)
winwidget_resize(winwid, winwid->im_w * winwid->zoom, winwid->im_h * winwid->zoom);
D(("after scaling down image %dx%d\n", winwid->w, winwid->h));
}
if (!winwid->full_screen && ((gib_imlib_image_has_alpha(winwid->im))
|| (opt.geom_flags & (WidthValue | HeightValue))
|| (winwid->im_x || winwid->im_y) || (winwid->zoom != 1.0)
|| (winwid->w > winwid->im_w || winwid->h > winwid->im_h)
|| (winwid->has_rotated)))
feh_draw_checks(winwid);
if (!winwid->full_screen && opt.zoom_mode
&& (winwid->zoom == 1.0) && ! (opt.geom_flags & (WidthValue | HeightValue))
&& (winwid->w > winwid->im_w) && (winwid->h > winwid->im_h))
feh_calc_needed_zoom(&(winwid->zoom), winwid->im_w, winwid->im_h, winwid->w, winwid->h);
if (resize && (winwid->full_screen || (opt.geom_flags & (WidthValue | HeightValue)))) {
int smaller; /* Is the image smaller than screen? */
int max_w = 0, max_h = 0;
if (winwid->full_screen) {
max_w = scr->width;
max_h = scr->height;
#ifdef HAVE_LIBXINERAMA
if (opt.xinerama && xinerama_screens) {
max_w = xinerama_screens[xinerama_screen].width;
max_h = xinerama_screens[xinerama_screen].height;
}
#endif /* HAVE_LIBXINERAMA */
} else {
if (opt.geom_flags & WidthValue) {
max_w = opt.geom_w;
}
if (opt.geom_flags & HeightValue) {
max_h = opt.geom_h;
}
}
D(("Calculating for fullscreen/fixed geom render\n"));
smaller = ((winwid->im_w < max_w)
&& (winwid->im_h < max_h));
if (!smaller || opt.zoom_mode) {
double ratio = 0.0;
/* Image is larger than the screen (so wants shrinking), or it's
smaller but wants expanding to fill it */
ratio = feh_calc_needed_zoom(&(winwid->zoom), winwid->im_w, winwid->im_h, max_w, max_h);
/* contributed by Jens Laas <*****@*****.**>
* What it does:
* zooms images by a fixed amount but never larger than the screen.
*
* Why:
* This is nice if you got a collection of images where some
* are small and can stand a small zoom. Large images are unaffected.
*
* When does it work, and how?
* You have to be in fullscreen mode _and_ have auto-zoom turned on.
* "feh -FZ --zoom 130 imagefile" will do the trick.
* -zoom percent - the new switch.
* 100 = orignal size,
* 130 is 30% larger.
*/
if (opt.default_zoom) {
double old_zoom = winwid->zoom;
winwid->zoom = 0.01 * opt.default_zoom;
if (winwid->zoom != 1.0) {
if ((winwid->im_h * winwid->zoom) > max_h)
winwid->zoom = old_zoom;
else if ((winwid->im_w * winwid->zoom) > max_w)
winwid->zoom = old_zoom;
}
winwid->im_x = ((int)
(max_w - (winwid->im_w * winwid->zoom))) >> 1;
winwid->im_y = ((int)
(max_h - (winwid->im_h * winwid->zoom))) >> 1;
} else {
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 feh_reload_image(winwidget w, int resize, int force_new)
{
char *title, *new_title;
int len;
Imlib_Image tmp;
int old_w, old_h;
unsigned char tmode =0;
int tim_x =0;
int tim_y =0;
double tzoom =0;
tmode = w->mode;
tim_x = w->im_x;
tim_y = w->im_y;
tzoom = w->zoom;
if (!w->file) {
im_weprintf(w, "couldn't reload, this image has no file associated with it.");
winwidget_render_image(w, 0, 0);
return;
}
D(("resize %d, force_new %d\n", resize, force_new));
free(FEH_FILE(w->file->data)->caption);
FEH_FILE(w->file->data)->caption = NULL;
len = strlen(w->name) + sizeof("Reloading: ") + 1;
new_title = emalloc(len);
snprintf(new_title, len, "Reloading: %s", w->name);
title = estrdup(w->name);
winwidget_rename(w, new_title);
old_w = gib_imlib_image_get_width(w->im);
old_h = gib_imlib_image_get_height(w->im);
/*
* If we don't free the old image before loading the new one, Imlib2's
* caching will get in our way.
* However, if --reload is used (force_new == 0), we want to continue if
* the new image cannot be loaded, so we must not free the old image yet.
*/
if (force_new)
winwidget_free_image(w);
if ((feh_load_image(&tmp, FEH_FILE(w->file->data))) == 0) {
if (force_new)
eprintf("failed to reload image\n");
else {
im_weprintf(w, "Couldn't reload image. Is it still there?");
winwidget_render_image(w, 0, 0);
}
winwidget_rename(w, title);
free(title);
free(new_title);
return;
}
if (!resize && ((old_w != gib_imlib_image_get_width(tmp)) ||
(old_h != gib_imlib_image_get_height(tmp))))
resize = 1;
if (!force_new)
winwidget_free_image(w);
w->im = tmp;
winwidget_reset_image(w);
w->mode = MODE_NORMAL;
if ((w->im_w != gib_imlib_image_get_width(w->im))
|| (w->im_h != gib_imlib_image_get_height(w->im)))
w->had_resize = 1;
if (w->has_rotated) {
Imlib_Image temp;
temp = gib_imlib_create_rotated_image(w->im, 0.0);
w->im_w = gib_imlib_image_get_width(temp);
w->im_h = gib_imlib_image_get_height(temp);
gib_imlib_free_image_and_decache(temp);
} else {
w->im_w = gib_imlib_image_get_width(w->im);
w->im_h = gib_imlib_image_get_height(w->im);
}
if (opt.keep_zoom_vp) {
/* put back in: */
w->mode = tmode;
w->im_x = tim_x;
w->im_y = tim_y;
w->zoom = tzoom;
winwidget_render_image(w, 0, 0);
} else {
winwidget_render_image(w, resize, 0);
}
winwidget_rename(w, title);
free(title);
free(new_title);
return;
}
void feh_menu_cb(feh_menu * m, feh_menu_item * i, int action, void *data)
{
char *path;
Imlib_Image im;
winwidget winwid;
switch (action) {
case CB_BG_TILED:
path = feh_absolute_path(FEH_FILE(m->fehwin->file->data)->filename);
feh_wm_set_bg(path, m->fehwin->im, 0, 0, 0, (int) data, 1);
free(path);
break;
case CB_BG_SCALED:
path = feh_absolute_path(FEH_FILE(m->fehwin->file->data)->filename);
feh_wm_set_bg(path, m->fehwin->im, 0, 1, 0, (int) data, 1);
free(path);
break;
case CB_BG_CENTERED:
path = feh_absolute_path(FEH_FILE(m->fehwin->file->data)->filename);
feh_wm_set_bg(path, m->fehwin->im, 1, 0, 0, (int) data, 1);
free(path);
break;
case CB_BG_FILLED:
path = feh_absolute_path(FEH_FILE(m->fehwin->file->data)->filename);
feh_wm_set_bg(path, m->fehwin->im, 0, 0, 1, (int) data, 1);
free(path);
break;
case CB_BG_TILED_NOFILE:
feh_wm_set_bg(NULL, m->fehwin->im, 0, 0, 0, (int) data, 1);
break;
case CB_BG_SCALED_NOFILE:
feh_wm_set_bg(NULL, m->fehwin->im, 0, 1, 0, (int) data, 1);
break;
case CB_BG_CENTERED_NOFILE:
feh_wm_set_bg(NULL, m->fehwin->im, 1, 0, 0, (int) data, 1);
break;
case CB_BG_FILLED_NOFILE:
feh_wm_set_bg(NULL, m->fehwin->im, 0, 0, 1, (int) data, 1);
break;
case CB_ABOUT:
if (feh_load_image_char(&im, PREFIX "/share/feh/images/about.png")
!= 0) {
winwid = winwidget_create_from_image(im, "About " PACKAGE,
WIN_TYPE_ABOUT);
winwid->file = gib_list_add_front(NULL,
feh_file_new(PREFIX "/share/feh/images/about.png"));
winwidget_show(winwid);
}
break;
case CB_CLOSE:
winwidget_destroy(m->fehwin);
break;
case CB_EXIT:
winwidget_destroy_all();
break;
case CB_RESET:
if (m->fehwin->has_rotated) {
m->fehwin->im_w = gib_imlib_image_get_width(m->fehwin->im);
m->fehwin->im_h = gib_imlib_image_get_height(m->fehwin->im);
winwidget_resize(m->fehwin, m->fehwin->im_w, m->fehwin->im_h);
}
winwidget_reset_image(m->fehwin);
winwidget_render_image(m->fehwin, 1, 1);
break;
case CB_RELOAD:
feh_reload_image(m->fehwin, 0, 0);
break;
case CB_REMOVE:
feh_filelist_image_remove(m->fehwin, 0);
break;
case CB_DELETE:
feh_filelist_image_remove(m->fehwin, 1);
break;
case CB_REMOVE_THUMB:
feh_thumbnail_mark_removed(FEH_FILE(m->fehwin->file->data), 0);
feh_filelist_image_remove(m->fehwin, 0);
break;
case CB_DELETE_THUMB:
feh_thumbnail_mark_removed(FEH_FILE(m->fehwin->file->data), 1);
feh_filelist_image_remove(m->fehwin, 1);
break;
case CB_SORT_FILENAME:
filelist = gib_list_sort(filelist, feh_cmp_filename);
if (opt.jump_on_resort) {
slideshow_change_image(m->fehwin, SLIDE_FIRST);
}
break;
case CB_SORT_IMAGENAME:
filelist = gib_list_sort(filelist, feh_cmp_name);
if (opt.jump_on_resort) {
slideshow_change_image(m->fehwin, SLIDE_FIRST);
}
break;
case CB_SORT_FILESIZE:
filelist = gib_list_sort(filelist, feh_cmp_size);
if (opt.jump_on_resort) {
slideshow_change_image(m->fehwin, SLIDE_FIRST);
}
break;
case CB_SORT_RANDOMIZE:
filelist = gib_list_randomize(filelist);
if (opt.jump_on_resort) {
slideshow_change_image(m->fehwin, SLIDE_FIRST);
}
break;
case CB_FIT:
winwidget_size_to_image(m->fehwin);
break;
case CB_EDIT_ROTATE:
feh_edit_inplace_orient(m->fehwin, (int) data);
break;
case CB_SAVE_IMAGE:
slideshow_save_image(m->fehwin);
break;
case CB_SAVE_FILELIST:
feh_save_filelist();
break;
case CB_OPT_DRAW_FILENAME:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i))
opt.draw_filename = TRUE;
else
opt.draw_filename = FALSE;
winwidget_rerender_all(0, 1);
break;
case CB_OPT_DRAW_ACTIONS:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i))
opt.draw_actions = TRUE;
else
opt.draw_actions = FALSE;
winwidget_rerender_all(0, 1);
break;
case CB_OPT_KEEP_HTTP:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i))
opt.keep_http = TRUE;
else
opt.keep_http = FALSE;
break;
case CB_OPT_FREEZE_WINDOW:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i)) {
opt.geom_flags = (WidthValue | HeightValue);
opt.geom_w = m->fehwin->w;
opt.geom_h = m->fehwin->h;
} else {
opt.geom_flags = 0;
}
break;
case CB_OPT_FULLSCREEN:
feh_menu_cb_opt_fullscreen(m, i);
break;
case CB_OPT_AUTO_ZOOM:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i))
opt.zoom_mode = ZOOM_MODE_FILL;
else
opt.zoom_mode = 0;
winwidget_rerender_all(1, 1);
break;
}
return;
}
void feh_menu_cb(feh_menu * m, feh_menu_item * i, int action, unsigned short data)
{
char *path;
switch (action) {
case CB_BG_TILED:
path = FEH_FILE(m->fehwin->file->data)->filename;
feh_wm_set_bg(path, m->fehwin->im, 0, 0, 0, data, 0);
break;
case CB_BG_SCALED:
path = FEH_FILE(m->fehwin->file->data)->filename;
feh_wm_set_bg(path, m->fehwin->im, 0, 1, 0, data, 0);
break;
case CB_BG_CENTERED:
path = FEH_FILE(m->fehwin->file->data)->filename;
feh_wm_set_bg(path, m->fehwin->im, 1, 0, 0, data, 0);
break;
case CB_BG_FILLED:
path = FEH_FILE(m->fehwin->file->data)->filename;
feh_wm_set_bg(path, m->fehwin->im, 0, 0, 1, data, 0);
break;
case CB_BG_TILED_NOFILE:
feh_wm_set_bg(NULL, m->fehwin->im, 0, 0, 0, data, 0);
break;
case CB_BG_SCALED_NOFILE:
feh_wm_set_bg(NULL, m->fehwin->im, 0, 1, 0, data, 0);
break;
case CB_BG_CENTERED_NOFILE:
feh_wm_set_bg(NULL, m->fehwin->im, 1, 0, 0, data, 0);
break;
case CB_BG_FILLED_NOFILE:
feh_wm_set_bg(NULL, m->fehwin->im, 0, 0, 1, data, 0);
break;
case CB_CLOSE:
winwidget_destroy(m->fehwin);
break;
case CB_EXIT:
winwidget_destroy_all();
break;
case CB_RESET:
if (m->fehwin->has_rotated) {
m->fehwin->im_w = gib_imlib_image_get_width(m->fehwin->im);
m->fehwin->im_h = gib_imlib_image_get_height(m->fehwin->im);
winwidget_resize(m->fehwin, m->fehwin->im_w, m->fehwin->im_h);
}
winwidget_reset_image(m->fehwin);
winwidget_render_image(m->fehwin, 1, 0);
break;
case CB_RELOAD:
feh_reload_image(m->fehwin, 0, 1);
break;
case CB_REMOVE:
feh_filelist_image_remove(m->fehwin, 0);
break;
case CB_DELETE:
feh_filelist_image_remove(m->fehwin, 1);
break;
case CB_REMOVE_THUMB:
feh_thumbnail_mark_removed(FEH_FILE(m->fehwin->file->data), 0);
feh_filelist_image_remove(m->fehwin, 0);
break;
case CB_DELETE_THUMB:
feh_thumbnail_mark_removed(FEH_FILE(m->fehwin->file->data), 1);
feh_filelist_image_remove(m->fehwin, 1);
break;
case CB_SORT_FILENAME:
filelist = gib_list_sort(filelist, feh_cmp_filename);
if (opt.jump_on_resort) {
slideshow_change_image(m->fehwin, SLIDE_FIRST, 1);
}
break;
case CB_SORT_IMAGENAME:
filelist = gib_list_sort(filelist, feh_cmp_name);
if (opt.jump_on_resort) {
slideshow_change_image(m->fehwin, SLIDE_FIRST, 1);
}
break;
case CB_SORT_FILESIZE:
filelist = gib_list_sort(filelist, feh_cmp_size);
if (opt.jump_on_resort) {
slideshow_change_image(m->fehwin, SLIDE_FIRST, 1);
}
break;
case CB_SORT_RANDOMIZE:
filelist = gib_list_randomize(filelist);
if (opt.jump_on_resort) {
slideshow_change_image(m->fehwin, SLIDE_FIRST, 1);
}
break;
case CB_FIT:
winwidget_size_to_image(m->fehwin);
break;
case CB_EDIT_ROTATE:
feh_edit_inplace(m->fehwin, data);
break;
case CB_SAVE_IMAGE:
slideshow_save_image(m->fehwin);
break;
case CB_SAVE_FILELIST:
feh_save_filelist();
break;
case CB_OPT_DRAW_FILENAME:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i))
opt.draw_filename = TRUE;
else
opt.draw_filename = FALSE;
winwidget_rerender_all(0);
break;
case CB_OPT_DRAW_ACTIONS:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i))
opt.draw_actions = TRUE;
else
opt.draw_actions = FALSE;
winwidget_rerender_all(0);
break;
case CB_OPT_KEEP_HTTP:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i))
opt.keep_http = TRUE;
else
opt.keep_http = FALSE;
break;
case CB_OPT_FREEZE_WINDOW:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i)) {
opt.geom_flags = (WidthValue | HeightValue);
opt.geom_w = m->fehwin->w;
opt.geom_h = m->fehwin->h;
} else {
opt.geom_flags = 0;
}
break;
case CB_OPT_FULLSCREEN:
feh_menu_cb_opt_fullscreen(m, i);
break;
case CB_OPT_AUTO_ZOOM:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i))
opt.zoom_mode = ZOOM_MODE_MAX;
else
opt.zoom_mode = 0;
winwidget_rerender_all(1);
break;
case CB_OPT_KEEP_ZOOM_VP:
MENU_ITEM_TOGGLE(i);
if (MENU_ITEM_IS_ON(i))
opt.keep_zoom_vp = 1;
else
opt.keep_zoom_vp = 0;
break;
}
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;
}