Add slide_delete_item()

2 files changed, 17 insertions, 0 deletions

diff --git a/libstorycode/slide.c b/libstorycode/slide.c
index f5c4c9c..fc7b24c 100644
--- a/libstorycode/slide.c
+++ b/libstorycode/slide.c
@@ -57,6 +57,21 @@ void slide_free(Slide *s)
 }
 
 
+void slide_delete_item(Slide *s, SlideItem *item)
+{
+	int i;
+	for ( i=0; i<s->n_items; i++ ) {
+		if ( &s->items[i] == item ) {
+			memmove(&s->items[i], &s->items[i+1],
+			        (s->n_items-i-1)*sizeof(SlideItem));
+			s->n_items--;
+			return;
+		}
+	}
+	fprintf(stderr, "Didn't find slide item to delete!\n");
+}
+
+
 static SlideItem *add_item(Slide *s)
 {
 	SlideItem *new_items;
diff --git a/libstorycode/slide.h b/libstorycode/slide.h
index 3957f9e..3dbd20e 100644
--- a/libstorycode/slide.h
+++ b/libstorycode/slide.h
@@ -37,6 +37,8 @@ typedef struct _slideitem SlideItem;
 extern Slide *slide_new(void);
 extern void slide_free(Slide *s);
 
+extern void slide_delete_item(Slide *s, SlideItem *item);
+
 extern SlideItem *slide_add_image(Slide *s, char *filename, struct frame_geom geom);
 extern SlideItem *slide_add_text(Slide *s, char **text, int n_text,
                                  struct frame_geom geom, enum alignment alignment);