Implement "revert" button for stylesheet editor

2 files changed, 21 insertions, 0 deletions

diff --git a/libstorycode/stylesheet.c b/libstorycode/stylesheet.c
index 3bbddb3..be4db9b 100644
--- a/libstorycode/stylesheet.c
+++ b/libstorycode/stylesheet.c
@@ -568,3 +568,23 @@ const char *stylesheet_get_friendly_name(const char *in)
 	if ( strcmp(in, "FOOTER") == 0 ) return "Footer";
 	return in;
 }
+
+
+int stylesheet_set_from_storycode(Stylesheet *ss, const char *sc)
+{
+	Stylesheet *ssnew;
+	Narrative *n;
+
+	n = storycode_parse_presentation(sc);
+	if ( n == NULL ) return 1;
+
+	ssnew = narrative_get_stylesheet(n);
+	if ( ssnew == NULL ) return 1;
+
+	narrative_free(n);
+
+	free_style_contents(&ss->top);
+	ss->top = ssnew->top;
+
+	return 0;
+}
diff --git a/libstorycode/stylesheet.h b/libstorycode/stylesheet.h
index 0a38477..0b994da 100644
--- a/libstorycode/stylesheet.h
+++ b/libstorycode/stylesheet.h
@@ -79,6 +79,7 @@ enum gradient
 
 extern Stylesheet *stylesheet_new(void);
 extern void stylesheet_free(Stylesheet *s);
+extern int stylesheet_set_from_storycode(Stylesheet *ss, const char *sc);
 
 extern int stylesheet_get_slide_default_size(Stylesheet *s, double *w, double *h);