X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/90230407984b0bbe9d6ed6ae6dc2376700ef1d42..87d2c6f5074ee5a90635ecdec41506bf7ecc9567:/src/generic/splitter.cpp?ds=sidebyside

diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp
index 03abc8baa5..968c1a1d58 100644
--- a/src/generic/splitter.cpp
+++ b/src/generic/splitter.cpp
@@ -93,10 +93,7 @@ bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
     if ( !wxWindow::Create(parent, id, pos, size, style, name) )
         return false;
 
-    if (size.x >= 0)
-        m_lastSize.x = size.x;
-    if (size.y >= 0)
-        m_lastSize.y = size.y;
+    m_lastSize = GetClientSize();
 
     m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
 
@@ -442,7 +439,13 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event)
         int size = m_splitMode == wxSPLIT_VERTICAL ? w : h;
 
         int old_size = m_splitMode == wxSPLIT_VERTICAL ? m_lastSize.x : m_lastSize.y;
-        if ( old_size != 0 )
+
+        // Don't do anything if the size didn't really change. In particular,
+        // it is important that we don't reset our sash position because it's
+        // out of current range in this case as otherwise the really requested
+        // position would be lost and never set. Wait until we get a real size
+        // event with our non-initial size to do it.
+        if ( size != old_size )
         {
             int delta = (int) ( (size - old_size)*m_sashGravity );
             if ( delta != 0 )
@@ -452,11 +455,11 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event)
                     newPosition = m_minimumPaneSize;
                 SetSashPositionAndNotify(newPosition);
             }
-        }
 
-        if ( m_sashPosition >= size - 5 )
-            SetSashPositionAndNotify(wxMax(10, size - 40));
-        m_lastSize = wxSize(w,h);
+            if ( m_sashPosition >= size - 5 )
+                SetSashPositionAndNotify(wxMax(10, size - 40));
+            m_lastSize = wxSize(w,h);
+        }
     }
 
     SizeWindows();