user/wxLayout/wxlwindow.h

   1 /*-*- c++ -*-********************************************************
   2  * wxLwindow.h : a scrolled Window for displaying/entering rich text*
   3  *                                                                  *
   4  * (C) 1998 by Karsten Ballüder (Ballueder@usa.net)                 *
   5  *                                                                  *
   6  * $Id$
   7  *******************************************************************/
   8 #ifndef WXLWINDOW_H
   9 #define WXLWINDOW_H
  10
  11 #ifdef __GNUG__
  12 #   pragma interface "wxlwindow.h"
  13 #endif
  14
  15 #ifndef USE_PCH
  16 #  include   <wx/wx.h>
  17 #endif
  18
  19 #include   "wxllist.h"
  20
  21 class wxLayoutWindow : public wxScrolledWindow
  22 {
  23 public:
  24    /** Constructor.
  25        @param parent parent window to display this panel in
  26    */
  27    wxLayoutWindow(wxWindow *parent);
  28
  29    /* Returns a reference to the wxLayoutList object.
  30       @return the list
  31    */
  32    wxLayoutList & GetLayoutList(void) { return m_llist; }
  33
  34    // clears the window and sets default parameters:
  35    void Clear(int family = wxROMAN, int size=12, int style=wxNORMAL, int weight=wxNORMAL,
  36               int underline=0, char const *fg="black", char const
  37               *bg="white")
  38       {
  39          GetLayoutList().Clear(family,size,style,weight,underline,fg,bg);
  40          SetBackgroundColour( *GetLayoutList().GetDefaults()->GetBGColour());
  41
  42          m_bDirty = FALSE;
  43       }
  44
  45    // callbacks
  46    // NB: these functions are used as event handlers and must not be virtual
  47    void OnPaint(wxPaintEvent &event);
  48
  49    void OnLeftMouseClick(wxMouseEvent& event)
  50       { OnMouse(WXMENU_LAYOUT_LCLICK, event); }
  51    void OnRightMouseClick(wxMouseEvent& event)
  52       { OnMouse(WXMENU_LAYOUT_RCLICK, event); }
  53    void OnMouseDblClick(wxMouseEvent& event)
  54       { OnMouse(WXMENU_LAYOUT_DBLCLICK, event); }
  55
  56    void OnChar(wxKeyEvent& event);
  57
  58    /// gets called by either Update() or OnPaint()
  59    void DoPaint(wxDC &dc);
  60
  61 #ifdef __WXMSW__
  62    virtual long MSWGetDlgCode();
  63 #endif //MSW
  64
  65    void UpdateScrollbars(void);
  66    void Print(void);
  67
  68    /// if the flag is true, we send events when user clicks on embedded objects
  69    inline void SetMouseTracking(bool doIt = true) { m_doSendEvents = doIt; }
  70
  71    virtual ~wxLayoutWindow() { }
  72
  73    // dirty flag access
  74    bool IsDirty() const { return m_llist.IsDirty(); }
  75    void ResetDirty()    { m_llist.ResetDirty();     }
  76
  77
  78 protected:
  79    /// generic function for mouse events processing
  80    void OnMouse(int eventId, wxMouseEvent& event);
  81
  82    /// repaint if needed
  83    void Update(void);
  84
  85    /// for sending events
  86    wxWindow *m_Parent;
  87    bool m_doSendEvents;
  88
  89    /// the layout list to be displayed
  90    wxLayoutList m_llist;
  91
  92    /// have we already set the scrollbars?
  93    bool m_ScrollbarsSet;
  94    /// Where does the current view start?
  95    int m_ViewStartX; int m_ViewStartY;
  96
  97    /// do we have unsaved data?
  98    bool m_bDirty;
  99
 100 private:
 101    DECLARE_EVENT_TABLE()
 102 };
 103
 104 #endif