From 3e9e7a6e07d3de29eb38fce21ea71761be090b2b Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Fri, 24 Oct 2014 22:29:44 +0200
Subject: Set SCBlocks, not slides

---
 src/sc_editor.c    | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/sc_editor.h    |  2 +-
 src/slide_window.c |  2 +-
 3 files changed, 53 insertions(+), 3 deletions(-)

diff --git a/src/sc_editor.c b/src/sc_editor.c
index 773e7e4..bde1731 100644
--- a/src/sc_editor.c
+++ b/src/sc_editor.c
@@ -1395,8 +1395,58 @@ GtkWidget *sc_editor_get_widget(SCEditor *e)
 }
 
 
-void sc_editor_set_slide(SCEditor *e, struct slide *s)
+static void unset_all_frames(SCBlock *bl)
 {
+	while ( bl != NULL ) {
+		sc_block_set_frame(bl, NULL);
+		if ( sc_block_child(bl) != NULL ) {
+			unset_all_frames(sc_block_child(bl));
+		}
+		if ( sc_block_macro_child(bl) != NULL ) {
+			unset_all_frames(sc_block_macro_child(bl));
+		}
+		bl = sc_block_next(bl);
+	}
+}
+
+
+static void free_frame_contents(struct frame *fr)
+{
+	int i;
+
+	for ( i=0; i<fr->n_lines; i++ ) {
+		wrap_line_free(&fr->lines[i]);
+	}
+	free(fr->lines);
+	fr->lines = NULL;
+	fr->n_lines = 0;
+	fr->max_lines = 0;
+
+	if ( fr->boxes != NULL ) {
+		free(fr->boxes->boxes);
+		free(fr->boxes);
+	}
+
+	fr->boxes = NULL;
+
+	for ( i=0; i<fr->num_children; i++ ) {
+		free_frame_contents(fr->children[i]);
+	}
+
+	fr->num_children = 0;
+}
+
+
+void sc_editor_set_scblock(SCEditor *e, SCBlock *scblocks)
+{
+	unset_all_frames(e->scblocks);
+	e->scblocks = scblocks;
+
+	/* Free all subframes */
+	free_frame_contents(&e->top);
+
+	rerender(e);
+	redraw_editor(e);
 }
 
 
diff --git a/src/sc_editor.h b/src/sc_editor.h
index 5a59348..6a65bd5 100644
--- a/src/sc_editor.h
+++ b/src/sc_editor.h
@@ -33,7 +33,7 @@
 struct presentation;
 typedef struct _sceditor SCEditor;
 
-extern void sc_editor_set_slide(SCEditor *e, struct slide *s);
+extern void sc_editor_set_scblock(SCEditor *e, SCBlock *scblocks);
 extern GtkWidget *sc_editor_get_widget(SCEditor *e);
 extern SCEditor *sc_editor_new(SCBlock *scblocks, SCBlock *stylesheet);
 extern void sc_editor_set_size(SCEditor *e, int w, int h);
diff --git a/src/slide_window.c b/src/slide_window.c
index febbe43..6a1cb11 100644
--- a/src/slide_window.c
+++ b/src/slide_window.c
@@ -342,7 +342,7 @@ void change_edit_slide(SlideWindow *sw, struct slide *np)
 
 	update_toolbar(sw);
 
-	sc_editor_set_slide(sw->sceditor, np);
+	sc_editor_set_scblock(sw->sceditor, np->scblocks);
 
 	notify_notes_slide_changed(sw->p, np);
 
-- 
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