Rewrite. Cursor handling better, split Layout() and Draw(), faster.

Printing almost works.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@906 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

user/wxLayout/wxlwindow.h

@@ -21,8 +21,14 @@
 class wxLayoutWindow : public wxScrolledWindow
 {
 public:
+   /** Constructor.
+       @param parent parent window to display this panel in
+   */
    wxLayoutWindow(wxWindow *parent);
 
+   /* Returns a reference to the wxLayoutList object.
+      @return the list
+   */
    wxLayoutList & GetLayoutList(void) { return m_llist; }
 
    // clears the window and sets default parameters:
@@ -32,38 +38,66 @@ public:
       {
          GetLayoutList().Clear(family,size,style,weight,underline,fg,bg);
          SetBackgroundColour( *GetLayoutList().GetDefaults()->GetBGColour());
+
+         m_bDirty = FALSE;
       }
 
    // callbacks
    // NB: these functions are used as event handlers and must not be virtual
-   //void OnDraw(wxDC &dc);
-   void OnPaint(wxPaintEvent &WXUNUSED(event));
-   void OnMouse(wxMouseEvent& event);
+   void OnPaint(wxPaintEvent &event);
+   
+   void OnLeftMouseClick(wxMouseEvent& event)
+      { OnMouse(WXMENU_LAYOUT_LCLICK, event); }
+   void OnRightMouseClick(wxMouseEvent& event)
+      { OnMouse(WXMENU_LAYOUT_RCLICK, event); }
+   void OnMouseDblClick(wxMouseEvent& event)
+      { OnMouse(WXMENU_LAYOUT_DBLCLICK, event); }
+
    void OnChar(wxKeyEvent& event);
 
+   /// gets called by either Update() or OnPaint()
+   void DoPaint(wxDC &dc);
+
 #ifdef __WXMSW__
    virtual long MSWGetDlgCode();
 #endif //MSW
 
    void UpdateScrollbars(void);
    void Print(void);
-   void SetEventId(int id) { m_EventId = id; }
-   // what for? Caller doesn't even know object's positions in window
-   //wxPoint const &GetClickPosition(void) const { return m_ClickPosition; }
-   virtual ~wxLayoutWindow() {}
-private:
+
+   /// if the flag is true, we send events when user clicks on embedded objects
+   inline void SetMouseTracking(bool doIt = true) { m_doSendEvents = doIt; }
+
+   virtual ~wxLayoutWindow() { }
+
+   // dirty flag access
+   bool IsDirty() const { return m_llist.IsDirty(); }
+   void ResetDirty()    { m_llist.ResetDirty();     }
+
+   
+protected:
+   /// generic function for mouse events processing
+   void OnMouse(int eventId, wxMouseEvent& event);
+
+   /// repaint if needed
+   void Update(void);
+
    /// for sending events
    wxWindow *m_Parent;
-   int m_EventId;
+   bool m_doSendEvents;
+
    /// the layout list to be displayed
    wxLayoutList m_llist;
+
    /// have we already set the scrollbars?
    bool m_ScrollbarsSet;
-   /// if we want to find an object:
-   wxPoint m_FindPos;
-   wxLayoutObjectBase *m_FoundObject;
-   wxPoint m_ClickPosition;
+   /// Where does the current view start?
+   int m_ViewStartX; int m_ViewStartY;
+   
+   /// do we have unsaved data?
+   bool m_bDirty;
 
+private:
    DECLARE_EVENT_TABLE()
 };