From 8b4ca720369d790ea330bc2189efa05cc557c2f7 Mon Sep 17 00:00:00 2001
From: Joel Bodenmann <joel@unormal.org>
Date: Sat, 26 Apr 2014 03:27:19 +0200
Subject: Added gwinListEnableRender()

---
 src/gwin/list.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/gwin/list.c')

diff --git a/src/gwin/list.c b/src/gwin/list.c
index 8374ff39..50c669f0 100644
--- a/src/gwin/list.c
+++ b/src/gwin/list.c
@@ -41,6 +41,7 @@
 #define GLIST_FLG_HASIMAGES			(GWIN_FIRST_CONTROL_FLAG << 1)
 #define GLIST_FLG_SCROLLALWAYS		(GWIN_FIRST_CONTROL_FLAG << 2)
 #define GLIST_FLG_SCROLLSMOOTH      (GWIN_FIRST_CONTROL_FLAG << 3)
+#define GLIST_FLG_ENABLERENDER      (GWIN_FIRST_CONTROL_FLAG << 4)
 
 // Flags on a ListItem.
 #define GLIST_FLG_SELECTED			0x0001
@@ -92,6 +93,11 @@ static void gwinListDefaultDraw(GWidgetObject* gw, void* param) {
 		coord_t					sy;
 	#endif
 
+	// dont render if render has been disabled
+	if (!(gw->g.flags & GLIST_FLG_ENABLERENDER)) {
+		return;
+	}
+
 	ps = (gw->g.flags & GWIN_FLG_ENABLED) ? &gw->pstyle->enabled : &gw->pstyle->disabled;
 	iheight = gdispGetFontMetric(gw->g.font, fontHeight) + VERTICAL_PADDING;
 	x = 1;
@@ -401,12 +407,26 @@ GHandle gwinGListCreate(GDisplay *g, GListObject* gobj, GWidgetInit* pInit, bool
 	if (multiselect)
 		gobj->w.g.flags |= GLIST_FLG_MULTISELECT;
 	gobj->w.g.flags |= GLIST_FLG_SCROLLALWAYS;
+	gobj->w.g.flags |= GLIST_FLG_ENABLERENDER;
 
 	gwinSetVisible(&gobj->w.g, pInit->g.show);
 
 	return (GHandle)gobj;
 }
 
+void gwinListEnableRender(GHandle gh, bool_t ena) {
+	// is it a valid handle?
+	if (gh->vmt != (gwinVMT *)&listVMT)
+		return;
+
+	if (ena) {
+		gh->flags |= GLIST_FLG_ENABLERENDER;
+		gwinRedraw(gh);
+	} else {
+		gh->flags &=~ GLIST_FLG_ENABLERENDER;
+	}
+}
+
 void gwinListSetScroll(GHandle gh, scroll_t flag) {
 	// is it a valid handle?
 	if (gh->vmt != (gwinVMT *)&listVMT)
-- 
cgit v1.2.3