diff options
| -rw-r--r-- | vcl/source/control/scrbar.cxx | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/vcl/source/control/scrbar.cxx b/vcl/source/control/scrbar.cxx index 06920fe036bc..e5a601fc794a 100644 --- a/vcl/source/control/scrbar.cxx +++ b/vcl/source/control/scrbar.cxx @@ -502,6 +502,20 @@ bool ScrollBar::ImplDrawNative( sal_uInt16 nDrawFlags ) aCtrlRegion.Union( maPage1Rect ); aCtrlRegion.Union( maPage2Rect ); aCtrlRegion.Union( maThumbRect ); + + Rectangle aRequestedRegion(Point(0,0), GetOutputSizePixel()); + // if the actual native control region is smaller then the region that + // we requested the control to draw in, then draw a background rectangle + // to avoid drawing artifacts in the uncovered region + if (aCtrlRegion.GetWidth() < aRequestedRegion.GetWidth() || + aCtrlRegion.GetHeight() < aRequestedRegion.GetHeight()) + { + Color aFaceColor = GetSettings().GetStyleSettings().GetFaceColor(); + SetFillColor(aFaceColor); + SetLineColor(aFaceColor); + DrawRect(aRequestedRegion); + } + bNativeOK = DrawNativeControl( CTRL_SCROLLBAR, (bHorz ? PART_DRAW_BACKGROUND_HORZ : PART_DRAW_BACKGROUND_VERT), aCtrlRegion, nState, scrValue, OUString() ); } @@ -613,7 +627,7 @@ void ScrollBar::ImplDraw( sal_uInt16 nDrawFlags, OutputDevice* pOutDev ) { DecorationView aDecoView( pOutDev ); Rectangle aTempRect; - sal_uInt16 nStyle; + sal_uInt16 nStyle; const StyleSettings& rStyleSettings = pOutDev->GetSettings().GetStyleSettings(); SymbolType eSymbolType; bool bEnabled = IsEnabled(); |