Todo item:

2D view scrollers were drawing over background contents, making it
look somewhat messy (like for text, nodes, fcurves). Now it clears
first the back in the region edge.

2 files changed, 19 insertions, 7 deletions

diff --git a/source/blender/editors/interface/view2d.c b/source/blender/editors/interface/view2d.c
index 8faf528eb67..2b527823ac3 100644
--- a/source/blender/editors/interface/view2d.c
+++ b/source/blender/editors/interface/view2d.c
@@ -1573,6 +1573,9 @@ void UI_view2d_scrollers_draw(const bContext *C, View2D *v2d, View2DScrollers *v
 				state |= UI_SCROLL_ARROWS;
 			}
 			
+			UI_ThemeColor(TH_BACK);
+			glRecti(v2d->hor.xmin, v2d->hor.ymin, v2d->hor.xmax, v2d->hor.ymax);
+			
 			uiWidgetScrollDraw(&wcol, &hor, &slider, state);
 		}
 		
@@ -1681,6 +1684,9 @@ void UI_view2d_scrollers_draw(const bContext *C, View2D *v2d, View2DScrollers *v
 				state |= UI_SCROLL_ARROWS;
 			}
 				
+			UI_ThemeColor(TH_BACK);
+			glRecti(v2d->vert.xmin, v2d->vert.ymin, v2d->vert.xmax, v2d->vert.ymax);
+			
 			uiWidgetScrollDraw(&wcol, &vert, &slider, state);
 		}
 		
diff --git a/source/blender/editors/space_text/text_draw.c b/source/blender/editors/space_text/text_draw.c
index 4307945129b..371b2f7e594 100644
--- a/source/blender/editors/space_text/text_draw.c
+++ b/source/blender/editors/space_text/text_draw.c
@@ -1059,7 +1059,7 @@ static TextLine *first_visible_line(SpaceText *st, ARegion *ar, int *wrap_top)
 
 /************************ draw scrollbar *****************************/
 
-static void calc_text_rcts(SpaceText *st, ARegion *ar, rcti *scroll)
+static void calc_text_rcts(SpaceText *st, ARegion *ar, rcti *scroll, rcti *back)
 {
 	int lhlstart, lhlend, ltexth, sell_off, curl_off;
 	short barheight, barstart, hlstart, hlend, blank_lines;
@@ -1072,8 +1072,11 @@ static void calc_text_rcts(SpaceText *st, ARegion *ar, rcti *scroll)
 	blank_lines = st->viewlines / 2;
 	
 	/* nicer code: use scroll rect for entire bar */
-	//scroll->xmin= 5;
-	//scroll->xmax= 17;
+	back->xmin= ar->winx -18;
+	back->xmax= ar->winx;
+	back->ymin= 0;
+	back->ymax= ar->winy;
+	
 	scroll->xmin= ar->winx - 17;
 	scroll->xmax= ar->winx - 5;
 	scroll->ymin= 4;
@@ -1169,13 +1172,16 @@ static void calc_text_rcts(SpaceText *st, ARegion *ar, rcti *scroll)
 	CLAMP(st->txtscroll.ymax, pix_bottom_margin, ar->winy - pix_top_margin);
 }
 
-static void draw_textscroll(SpaceText *st, rcti *scroll)
+static void draw_textscroll(SpaceText *st, rcti *scroll, rcti *back)
 {
 	bTheme *btheme= U.themes.first;
 	uiWidgetColors wcol= btheme->tui.wcol_scroll;
 	unsigned char col[4];
 	float rad;
 	
+	UI_ThemeColor(TH_BACK);
+	glRecti(back->xmin, back->ymin, back->xmax, back->ymax);
+
 	uiWidgetScrollDraw(&wcol, scroll, &st->txtbar, (st->flags & ST_SCROLL_SELECT)?UI_SCROLL_PRESSED:0);
 
 	uiSetRoundBox(15);
@@ -1673,7 +1679,7 @@ void draw_text_main(SpaceText *st, ARegion *ar)
 {
 	Text *text= st->text;
 	TextLine *tmp;
-	rcti scroll;
+	rcti scroll, back;
 	char linenr[12];
 	int i, x, y, winx, linecount= 0, lineno= 0;
 	int wraplinecount= 0, wrap_skip= 0;
@@ -1692,7 +1698,7 @@ void draw_text_main(SpaceText *st, ARegion *ar)
 	else st->viewlines= 0;
 	
 	/* update rects for scroll */
-	calc_text_rcts(st, ar, &scroll);	/* scroll will hold the entire bar size */
+	calc_text_rcts(st, ar, &scroll, &back);	/* scroll will hold the entire bar size */
 
 	/* update syntax formatting if needed */
 	tmp= text->lines.first;
@@ -1780,7 +1786,7 @@ void draw_text_main(SpaceText *st, ARegion *ar)
 	draw_brackets(st, ar);
 	draw_markers(st, ar);
 	glTranslatef(0.375f, 0.375f, 0.0f); /* XXX scroll requires exact pixel space */
-	draw_textscroll(st, &scroll);
+	draw_textscroll(st, &scroll, &back);
 	draw_documentation(st, ar);
 	draw_suggestion_list(st, ar);