tab sizing and split sizing fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43366 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/aui/tabmdi.cpp

@@ -545,7 +545,7 @@ void wxAuiMDIChildFrame::SetIcon(const wxIcon& icon)
     
     wxBitmap bmp;
     bmp.CopyFromIcon(m_icon);
-    
+        
     wxAuiMDIClientWindow* pClientWindow = pParentFrame->GetClientWindow();
     if (pClientWindow != NULL)
     {
@@ -697,6 +697,11 @@ bool wxAuiMDIClientWindow::CreateClient(wxAuiMDIParentFrame* parent, long style)
 {
     SetWindowStyleFlag(style);
 
+    wxSize caption_icon_size = 
+            wxSize(wxSystemSettings::GetMetric(wxSYS_SMALLICON_X),
+                   wxSystemSettings::GetMetric(wxSYS_SMALLICON_Y));
+    SetUniformBitmapSize(caption_icon_size);
+
     if (!wxAuiNotebook::Create(parent,
                                wxID_ANY,
                                wxPoint(0,0),