diff options
Diffstat (limited to 'src/presentation.c')
| -rw-r--r-- | src/presentation.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/presentation.c b/src/presentation.c index c406840..3c4e593 100644 --- a/src/presentation.c +++ b/src/presentation.c @@ -553,6 +553,60 @@ int load_presentation(struct presentation *p, const char *filename) } +static struct frame *find_parent(struct frame *fr, struct frame *search) +{ + int i; + + for ( i=0; i<fr->num_children; i++ ) { + if ( fr->children[i] == search ) { + return fr; + } + } + + for ( i=0; i<fr->num_children; i++ ) { + struct frame *tt; + tt = find_parent(fr->children[i], search); + if ( tt != NULL ) return tt; + } + + return NULL; +} + + +static void delete_subframe(struct slide *s, struct frame *fr) +{ + struct frame *parent; + int i, idx, found; + + parent = find_parent(s->top, fr); + if ( parent == NULL ) { + fprintf(stderr, "Couldn't find parent when deleting frame.\n"); + return; + } + + + found = 0; + for ( i=0; i<parent->num_children; i++ ) { + if ( parent->children[i] == fr ) { + idx = i; + found = 1; + break; + } + } + + if ( !found ) { + fprintf(stderr, "Couldn't find child when deleting frame.\n"); + return; + } + + for ( i=idx; i<parent->num_children-1; i++ ) { + parent->children[i] = parent->children[i+1]; + } + + parent->num_children--; +} + + void set_edit(struct presentation *p, struct slide *s) { p->cur_edit_slide = s; @@ -561,6 +615,16 @@ void set_edit(struct presentation *p, struct slide *s) void set_selection(struct presentation *p, struct frame *fr) { + if ( p->n_selection != 0 ) { + int i; + for ( i=0; i<p->n_selection; i++ ) { + if ( p->selection[i]->empty ) { + delete_subframe(p->cur_edit_slide, + p->selection[i]); + } + } + } + p->selection[0] = fr; p->n_selection = 1; |