gui: support scrollable lists without headers
If the <header> element doesn't exist, the header is not drawn.
- minuitwrp: add function for clipping all drawing to a rectangle
...and another one to cancel it.
Change-Id: If0f688a5debee6ebd9c457999fe571705a42c5cc
diff --git a/minuitwrp/minui.h b/minuitwrp/minui.h
index fff7ddb..8ef0444 100644
--- a/minuitwrp/minui.h
+++ b/minuitwrp/minui.h
@@ -36,6 +36,8 @@
int gr_fb_blank(int blank);
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
+void gr_clip(int x, int y, int w, int h);
+void gr_noclip();
void gr_fill(int x, int y, int w, int h);
int gr_textEx(int x, int y, const char *s, void* font);