give the generic tree and list controls a DoGetBestSize

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28910 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/listctrl.h

@@ -211,6 +211,8 @@ public:
     virtual bool ShouldInheritColours() const { return false; }
     virtual void SetFocus();
 
+    virtual wxSize DoGetBestSize() const;
+    
     // implementation
     // --------------
 

include/wx/generic/treectlg.h

@@ -391,6 +391,8 @@ public:
     void OnGetToolTip( wxTreeEvent &event );
     void OnInternalIdle( );
 
+    virtual wxSize DoGetBestSize() const;
+
     virtual wxVisualAttributes GetDefaultAttributes() const
     {
         return GetClassDefaultAttributes(GetWindowVariant());

src/generic/listctrl.cpp

@@ -5351,6 +5351,14 @@ void wxGenericListCtrl::SetFocus()
         m_mainWin->SetFocus();
 }
 
+wxSize wxGenericListCtrl::DoGetBestSize() const
+{
+    // Something is better than nothing...
+    // 100x80 is what the MSW version will get from the default
+    // wxControl::DoGetBestSize
+    return wxSize(100,80);
+}
+
 // ----------------------------------------------------------------------------
 // virtual list control support
 // ----------------------------------------------------------------------------

src/generic/treectlg.cpp

@@ -3476,6 +3476,15 @@ void wxGenericTreeCtrl::OnGetToolTip( wxTreeEvent &event )
 }
 
 
+wxSize wxGenericTreeCtrl::DoGetBestSize() const
+{
+    // something is better than nothing...
+    // 100x80 is what the MSW version will get from the default
+    // wxControl::DoGetBestSize
+    return wxSize(100,80);
+}
+
+
 // NOTE: If using the wxListBox visual attributes works everywhere then this can
 // be removed, as well as the #else case below.
 #define _USE_VISATTR 0

wxPython/contrib/gizmos/wxCode/include/wx/treelistctrl.h

@@ -530,6 +530,8 @@ public:
     wxTreeListMainWindow* GetMainWindow() const
     { return m_main_win; }
 
+    virtual wxSize DoGetBestSize() const;
+    
 protected:
     // header window, responsible for column visualization and manipulation
     wxTreeListHeaderWindow* m_header_win;

wxPython/contrib/gizmos/wxCode/src/treelistctrl.cpp

@@ -5005,3 +5005,9 @@ void wxTreeListCtrl::Refresh(bool erase, const wxRect* rect)
 void wxTreeListCtrl::SetFocus()
 { m_main_win->SetFocus(); }
 
+
+wxSize wxTreeListCtrl::DoGetBestSize() const
+{
+    // something is better than nothing...
+    return wxSize(100,80);
+}