Fix negative-sized frames

2 files changed, 20 insertions, 0 deletions

diff --git a/src/frame.c b/src/frame.c
index d237895..5e10dbf 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -232,6 +232,16 @@ static int recursive_unpack(struct frame *fr, const char *sc, StyleSheet *ss)
 		sfr = add_subframe(fr);
 		parse_options(sfr, b->options, ss);
 
+		if ( sfr->lop.w < 0.0 ) {
+			sfr->lop.x += sfr->lop.w;
+			sfr->lop.w = -sfr->lop.w;
+		}
+
+		if ( sfr->lop.h < 0.0 ) {
+			sfr->lop.y += sfr->lop.h;
+			sfr->lop.h = -sfr->lop.h;
+		}
+
 		sfr->sc = remove_blocks(b->contents, "f");
 		sfr->sc_len = strlen(sfr->sc)+1;
 		if ( recursive_unpack(sfr, b->contents, ss) ) {
diff --git a/src/mainwindow.c b/src/mainwindow.c
index 714b3ac..0830b02 100644
--- a/src/mainwindow.c
+++ b/src/mainwindow.c
@@ -1440,6 +1440,16 @@ static struct frame *create_frame(struct presentation *p, double x, double y,
 		parent = p->selection[0];
 	}
 
+	if ( w < 0.0 ) {
+		x += w;
+		w = -w;
+	}
+
+	if ( h < 0.0 ) {
+		y += h;
+		h = -h;
+	}
+
 	fr = add_subframe(parent);
 	fr->sc = NULL;
 	fr->style = default_style(p->ss);