Fix crash on wxDataViewCtrl creation after r73565.

[wxWidgets.git] / src / generic / splitter.cpp

diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp
index 5b0bd620a8acfa861b7928ec98a6e3e079aae8ea..1db5638513fc1c0c56fea11f27d81a69f55c58b5 100644 (file)
--- a/src/generic/splitter.cpp
+++ b/src/generic/splitter.cpp
@@ -435,6 +435,8 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event)
         return;
     }
 
+    const wxSize curSize = event.GetSize();
+
     // Update the sash position if needed.
     //
     // Notice that we shouldn't do this if the sash position requested by user
@@ -442,32 +444,35 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event)
     // modified it before this happens.
     if ( m_windowTwo && m_requestedSashPosition == INT_MAX )
     {
-        int w, h;
-        GetClientSize(&w, &h);
-
-        int size = m_splitMode == wxSPLIT_VERTICAL ? w : h;
+        int size = m_splitMode == wxSPLIT_VERTICAL ? curSize.x : curSize.y;
 
         int old_size = m_splitMode == wxSPLIT_VERTICAL ? m_lastSize.x : m_lastSize.y;
 
         // Don't do anything if the size didn't really change.
         if ( size != old_size )
         {
+            int newPosition = -1;
+
             // Apply gravity if we use it.
             int delta = (int) ( (size - old_size)*m_sashGravity );
             if ( delta != 0 )
             {
-                int newPosition = m_sashPosition + delta;
+                newPosition = m_sashPosition + delta;
                 if( newPosition < m_minimumPaneSize )
                     newPosition = m_minimumPaneSize;
-                SetSashPositionAndNotify(newPosition);
             }
 
-            if ( m_sashPosition >= size - 5 )
-                SetSashPositionAndNotify(wxMax(10, size - 40));
-            m_lastSize = wxSize(w,h);
+            // Also check if the second window became too small.
+            newPosition = AdjustSashPosition(newPosition == -1
+                                                 ? m_sashPosition
+                                                 : newPosition);
+            if ( newPosition != m_sashPosition )
+                SetSashPositionAndNotify(newPosition);
         }
     }
 
+    m_lastSize = curSize;
+
     SizeWindows();
 }
 
@@ -479,19 +484,29 @@ void wxSplitterWindow::SetSashGravity(double gravity)
     m_sashGravity = gravity;
 }
 
-bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
+bool wxSplitterWindow::SashHitTest(int x, int y)
 {
     if ( m_windowTwo == NULL || m_sashPosition == 0)
         return false; // No sash
 
     int z = m_splitMode == wxSPLIT_VERTICAL ? x : y;
-    int hitMin = m_sashPosition - tolerance;
-    int hitMax = m_sashPosition + GetSashSize() + tolerance;
+    int hitMax = m_sashPosition + GetSashSize() - 1;
 
-    return z >=  hitMin && z <= hitMax;
+    return z >= m_sashPosition && z <= hitMax;
+}
+
+void wxSplitterWindow::SetSashInvisible(bool invisible)
+{
+    if ( IsSashInvisible() != invisible )
+        ToggleWindowStyle(wxSP_NOSASH);
 }
 
 int wxSplitterWindow::GetSashSize() const
+{
+    return IsSashInvisible() ? 0 : GetDefaultSashSize();
+}
+
+int wxSplitterWindow::GetDefaultSashSize() const
 {
     return wxRendererNative::Get().GetSplitterParams(this).widthSash;
 }
@@ -517,7 +532,7 @@ void wxSplitterWindow::DrawSash(wxDC& dc)
         return;
 
     // nor if we're configured to not show it
-    if ( HasFlag(wxSP_NOSASH) )
+    if ( IsSashInvisible() )
         return;
 
     wxRendererNative::Get().DrawSplitterSash
@@ -1031,7 +1046,7 @@ void wxSplitterWindow::OnSetCursor(wxSetCursorEvent& event)
     // and like this we explicitly say that our cursor should not be used for
     // children windows which overlap us
 
-    if ( SashHitTest(event.GetX(), event.GetY(), 0) )
+    if ( SashHitTest(event.GetX(), event.GetY()) )
     {
         // default processing is ok
         event.Skip();