Fix T38383: glitch drawing inactive slider

1 files changed, 8 insertions, 3 deletions

diff --git a/source/blender/editors/interface/interface_widgets.c b/source/blender/editors/interface/interface_widgets.c
index ab9379d00fa..1724380aaf8 100644
--- a/source/blender/editors/interface/interface_widgets.c
+++ b/source/blender/editors/interface/interface_widgets.c
@@ -2663,6 +2663,7 @@ static void widget_numslider(uiBut *but, uiWidgetColors *wcol, rcti *rect, int s
 	
 	/* draw left/right parts only when not in text editing */
 	if (!(state & UI_TEXTINPUT)) {
+		int roundboxalign_slider;
 		
 		/* slider part */
 		copy_v3_v3_char(outline, wcol->outline);
@@ -2687,11 +2688,15 @@ static void widget_numslider(uiBut *but, uiWidgetColors *wcol, rcti *rect, int s
 		rect1.xmax = rect1.xmin + fac + offs;
 		rect1.xmin +=  floor(offs - U.pixelsize);
 		
-		if (rect1.xmax + offs > rect->xmax)
+		if (rect1.xmax + offs > rect->xmax) {
+			roundboxalign_slider = roundboxalign & ~(UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT);
 			offs *= (rect1.xmax + offs - rect->xmax) / offs;
-		else 
+		}
+		else {
+			roundboxalign_slider = 0;
 			offs = 0.0f;
-		round_box_edges(&wtb1, roundboxalign & ~(UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT), &rect1, offs);
+		}
+		round_box_edges(&wtb1, roundboxalign_slider, &rect1, offs);
 		
 		widgetbase_draw(&wtb1, wcol);
 		copy_v3_v3_char(wcol->outline, outline);