1 files changed, 76 insertions, 0 deletions
diff --git a/src/imlib.c b/src/imlib.c
index 6d48394..e050126 100644
--- a/src/imlib.c
+++ b/src/imlib.c
@@ -322,6 +322,82 @@ int feh_load_image(Imlib_Image * im, feh_file * file)
 	return(1);
 }
 
+void feh_reload_image(winwidget w, int resize, int force_new)
+{
+	char *new_title;
+	int len;
+	Imlib_Image tmp;
+	int old_w, old_h;
+
+	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);
+	winwidget_rename(w, new_title);
+	free(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);
+		}
+		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);
+	}
+	winwidget_render_image(w, resize, 0);
+
+	return;
+}
+
 static int feh_file_is_raw(char *filename)
 {
 	childpid = fork();