Resolves: fdo#57090 visual glitches on MacOSX with borders + layout

We need to force a resync of the borders of a borderwindow onto
its client window when the borders change when layout is active,
otherwise we are doing out calculations using the old borders
and it all turns into a pile of junk

Change-Id: I7dbff0b30aad41779f0f295498af6a492ddf5430

2 files changed, 38 insertions, 5 deletions

diff --git a/vcl/source/window/brdwin.cxx b/vcl/source/window/brdwin.cxx
index 8f7ea254990e..5de8938320ea 100644
--- a/vcl/source/window/brdwin.cxx
+++ b/vcl/source/window/brdwin.cxx
@@ -1077,6 +1077,18 @@ void ImplSmallBorderWindowView::Init( OutputDevice* pDev, long nWidth, long nHei
     mnHeight    = nHeight;
     mbNWFBorder = false;
 
+    Window *pWin = NULL, *pCtrl = NULL;
+    if (mpOutDev->GetOutDevType() == OUTDEV_WINDOW)
+        pWin = (Window*) mpOutDev;
+
+    if (pWin)
+        pCtrl = mpBorderWindow->GetWindow(WINDOW_CLIENT);
+
+    long nOrigLeftBorder = mnLeftBorder;
+    long nOrigTopBorder = mnTopBorder;
+    long nOrigRightBorder = mnRightBorder;
+    long nOrigBottomBorder = mnBottomBorder;
+
     sal_uInt16 nBorderStyle = mpBorderWindow->GetBorderStyle();
     if ( nBorderStyle & WINDOW_BORDER_NOBORDER )
     {
@@ -1093,12 +1105,8 @@ void ImplSmallBorderWindowView::Init( OutputDevice* pDev, long nWidth, long nHei
         {
             // for native widget drawing we must find out what
             // control this border belongs to
-            Window *pWin = NULL, *pCtrl = NULL;
-            if( mpOutDev->GetOutDevType() == OUTDEV_WINDOW )
-                pWin = (Window*) mpOutDev;
-
             ControlType aCtrlType = 0;
-            if( pWin && (pCtrl = mpBorderWindow->GetWindow( WINDOW_CLIENT )) != NULL )
+            if (pCtrl)
             {
                 switch( pCtrl->GetType() )
                 {
@@ -1207,6 +1215,19 @@ void ImplSmallBorderWindowView::Init( OutputDevice* pDev, long nWidth, long nHei
             mnBottomBorder  = aRect.Bottom()-aCalcRect.Bottom();
         }
     }
+
+    if (pCtrl)
+    {
+        //fdo#57090 If the borders have changed, then trigger a queue_resize on
+        //the bordered window, which will resync its borders at that point
+        if (nOrigLeftBorder != mnLeftBorder ||
+            nOrigTopBorder != mnTopBorder ||
+            nOrigRightBorder != mnRightBorder ||
+            nOrigBottomBorder != mnBottomBorder)
+        {
+            pCtrl->queue_resize();
+        }
+    }
 }
 
 // -----------------------------------------------------------------------
diff --git a/vcl/source/window/window2.cxx b/vcl/source/window/window2.cxx
index f816d2a3630a..be8c8baf5056 100644
--- a/vcl/source/window/window2.cxx
+++ b/vcl/source/window/window2.cxx
@@ -1746,6 +1746,8 @@ void Window::SetBackgroundBitmap( const BitmapEx& rBitmapEx )
 //as dirty for the size remains unchanged, but layout changed circumstances
 void Window::queue_resize()
 {
+    bool bSomeoneCares = false;
+
     Dialog *pDialog = NULL;
 
     Window *pWindow = this;
@@ -1756,6 +1758,7 @@ void Window::queue_resize()
         {
             VclContainer *pContainer = static_cast<VclContainer*>(pWindow);
             pContainer->markLayoutDirty();
+            bSomeoneCares = true;
         }
         else if (pWindow->GetType() == WINDOW_TABCONTROL)
         {
@@ -1770,6 +1773,15 @@ void Window::queue_resize()
         pWindow = pWindow->GetParent();
     }
 
+    if (bSomeoneCares)
+    {
+        //fdo#57090 force a resync of the borders of the borderwindow onto this
+        //window in case they have changed
+        Window* pBorderWindow = ImplGetBorderWindow();
+        if (pBorderWindow)
+            pBorderWindow->Resize();
+    }
+
     if (!pDialog || pDialog == this)
         return;
     pDialog->queue_layout();