simplify GetWindowClipRegionPixel

since it has only one call-site

Change-Id: I80344faf4beab9aa9427ba8d448b0cf3fd30c7b6

include/vcl/window.hxx

@@ -354,10 +354,6 @@ enum class StateChangedType : sal_uInt16
 #define WINDOW_DLGCTRL_MOD1TAB          ((sal_uInt16)0x0004)
 #define WINDOW_DLGCTRL_FLOATWIN_POPUPMODEEND_CANCEL ((sal_uInt16)0x0008)
 
-// GetWindowClipRegionPixel-Flags
-#define WINDOW_GETCLIPREGION_NULL       ((sal_uInt16)0x0001)
-#define WINDOW_GETCLIPREGION_NOCHILDREN ((sal_uInt16)0x0002)
-
 // EndExtTextInput() Flags
 enum class EndExtTextInputFlags
 {
@@ -963,7 +959,7 @@ public:
     void                                SetWindowRegionPixel( const vcl::Region& rRegion );
     const vcl::Region&                  GetWindowRegionPixel() const;
     bool                                IsWindowRegionPixel() const;
-    vcl::Region                         GetWindowClipRegionPixel( sal_uInt16 nFlags = 0 ) const;
+    vcl::Region                         GetWindowClipRegionPixel() const;
     vcl::Region                         GetPaintRegion() const;
     bool                                IsInPaint() const;
     // while IsInPaint returns true ExpandPaintClipRegion adds the

sw/source/core/view/viewsh.cxx

@@ -1196,7 +1196,7 @@ bool SwViewShell::SmoothScroll( long lXDiff, long lYDiff, const Rectangle *pRect
 
     // #i75172# isolated static conditions
     const bool bOnlyYScroll(!lXDiff && std::abs(lYDiff) != 0 && std::abs(lYDiff) < lMax);
-    const bool bAllowedWithChildWindows(GetWin()->GetWindowClipRegionPixel(WINDOW_GETCLIPREGION_NOCHILDREN|WINDOW_GETCLIPREGION_NULL).IsNull());
+    const bool bAllowedWithChildWindows(GetWin()->GetWindowClipRegionPixel().IsNull());
     const bool bSmoothScrollAllowed(bOnlyYScroll && mbEnableSmooth && GetViewOptions()->IsSmoothScroll() &&  bAllowedWithChildWindows);
 
     if(bSmoothScrollAllowed)

vcl/source/window/clipping.cxx

@@ -112,37 +112,19 @@ void Window::ExpandPaintClipRegion( const vcl::Region& rRegion )
     }
 }
 
-vcl::Region Window::GetWindowClipRegionPixel( sal_uInt16 nFlags ) const
+vcl::Region Window::GetWindowClipRegionPixel() const
 {
-
     vcl::Region aWinClipRegion;
 
-    if ( nFlags & WINDOW_GETCLIPREGION_NOCHILDREN )
-    {
-        if ( mpWindowImpl->mbInitWinClipRegion )
-            const_cast<vcl::Window*>(this)->ImplInitWinClipRegion();
-        aWinClipRegion = mpWindowImpl->maWinClipRegion;
-    }
-    else
-    {
-        vcl::Region* pWinChildClipRegion = const_cast<vcl::Window*>(this)->ImplGetWinChildClipRegion();
-        aWinClipRegion = *pWinChildClipRegion;
-        // --- RTL --- remirror clip region before passing it to somebody
-        if( ImplIsAntiparallel() )
-        {
-            const OutputDevice *pOutDev = GetOutDev();
-            pOutDev->ReMirror( aWinClipRegion );
-        }
-    }
+    if ( mpWindowImpl->mbInitWinClipRegion )
+        const_cast<vcl::Window*>(this)->ImplInitWinClipRegion();
+    aWinClipRegion = mpWindowImpl->maWinClipRegion;
 
-    if ( nFlags & WINDOW_GETCLIPREGION_NULL )
-    {
-        Rectangle   aWinRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) );
-        vcl::Region      aWinRegion( aWinRect );
+    Rectangle     aWinRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) );
+    vcl::Region   aWinRegion( aWinRect );
 
-        if ( aWinRegion == aWinClipRegion )
-            aWinClipRegion.SetNull();
-    }
+    if ( aWinRegion == aWinClipRegion )
+        aWinClipRegion.SetNull();
 
     aWinClipRegion.Move( -mnOutOffX, -mnOutOffY );