adding scroll wheel support

[wxWidgets.git] / include / wx / generic / treectlg.h

diff --git a/include/wx/generic/treectlg.h b/include/wx/generic/treectlg.h
index 8af90003f4295ba64b0a5b9f5538724afb478299..486233ad7ce582f0eb08d3e0a138e669de20a2c7 100644 (file)
--- a/include/wx/generic/treectlg.h
+++ b/include/wx/generic/treectlg.h
@@ -21,20 +21,20 @@
 // forward declaration
 // -----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxGenericTreeItem;
+class WXDLLIMPEXP_FWD_CORE wxGenericTreeItem;
 
-class WXDLLEXPORT wxTreeItemData;
+class WXDLLIMPEXP_FWD_CORE wxTreeItemData;
 
-class WXDLLEXPORT wxTreeRenameTimer;
-class WXDLLEXPORT wxTreeFindTimer;
-class WXDLLEXPORT wxTreeTextCtrl;
-class WXDLLEXPORT wxTextCtrl;
+class WXDLLIMPEXP_FWD_CORE wxTreeRenameTimer;
+class WXDLLIMPEXP_FWD_CORE wxTreeFindTimer;
+class WXDLLIMPEXP_FWD_CORE wxTreeTextCtrl;
+class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
 
 // -----------------------------------------------------------------------------
 // wxGenericTreeCtrl - the tree control
 // -----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxGenericTreeCtrl : public wxTreeCtrlBase,
+class WXDLLIMPEXP_CORE wxGenericTreeCtrl : public wxTreeCtrlBase,
                                       public wxScrollHelper
 {
 public:
@@ -112,7 +112,13 @@ public:
     // ----------
 
     virtual wxTreeItemId GetRootItem() const { return m_anchor; }
-    virtual wxTreeItemId GetSelection() const { return m_current; }
+    virtual wxTreeItemId GetSelection() const
+    {
+        wxASSERT_MSG( !HasFlag(wxTR_MULTIPLE),
+                       wxT("must use GetSelections() with this control") );
+
+        return m_current;
+    }
     virtual size_t GetSelections(wxArrayTreeItemIds&) const;
 
     virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const;
@@ -191,8 +197,6 @@ public:
     virtual bool SetBackgroundColour(const wxColour& colour);
     virtual bool SetForegroundColour(const wxColour& colour);
 
-    virtual void Freeze();
-    virtual void Thaw();
     virtual void Refresh(bool eraseBackground = true, const wxRect *rect = NULL);
 
     virtual bool SetFont( const wxFont &font );
@@ -247,14 +251,18 @@ protected:
     bool                 m_lastOnSame;  // last click on the same item as prev
     wxImageList         *m_imageListButtons;
 
-    int                  m_freezeCount;
     int                  m_dragCount;
     wxPoint              m_dragStart;
     wxGenericTreeItem   *m_dropTarget;
     wxCursor             m_oldCursor;  // cursor is changed while dragging
     wxGenericTreeItem   *m_oldSelection;
     wxGenericTreeItem   *m_underMouse; // for visual effects
+    
+    enum { NoEffect, BorderEffect, AboveEffect, BelowEffect } m_dndEffect;
+    wxGenericTreeItem   *m_dndEffectItem; 
+    
     wxTreeTextCtrl      *m_textCtrl;
+    
 
     wxTimer             *m_renameTimer;
 
@@ -267,6 +275,9 @@ protected:
     // the common part of all ctors
     void Init();
 
+    // overridden wxWindow methods 
+    virtual void DoThaw();
+
     // misc helpers
     void SendDeleteEvent(wxGenericTreeItem *itemBeingDeleted);
 
@@ -278,6 +289,9 @@ protected:
                       bool unselect_others = true,
                       bool extended_select = false);
 
+    virtual int DoGetItemState(const wxTreeItemId& item) const;
+    virtual void DoSetItemState(const wxTreeItemId& item, int state);
+
     virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
                                       size_t previous,
                                       const wxString& text,
@@ -306,7 +320,6 @@ protected:
 
     void CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y );
     void CalculatePositions();
-    void CalculateSize( wxGenericTreeItem *item, wxDC &dc );
 
     void RefreshSubtree( wxGenericTreeItem *item );
     void RefreshLine( wxGenericTreeItem *item );
@@ -344,7 +357,7 @@ private:
  * the run-time information.
  */
 
-class WXDLLEXPORT wxTreeCtrl: public wxGenericTreeCtrl
+class WXDLLIMPEXP_CORE wxTreeCtrl: public wxGenericTreeCtrl
 {
     DECLARE_DYNAMIC_CLASS(wxTreeCtrl)