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 enum
  22 {
  23    WXLOWIN_MENU_LARGER = 12000,
  24    WXLOWIN_MENU_SMALLER,
  25    WXLOWIN_MENU_UNDERLINE,
  26    WXLOWIN_MENU_BOLD,
  27    WXLOWIN_MENU_ITALICS,
  28    WXLOWIN_MENU_ROMAN,
  29    WXLOWIN_MENU_TYPEWRITER,
  30    WXLOWIN_MENU_SANSSERIF,
  31    WXLOWIN_MENU_RCLICK,
  32    WXLOWIN_MENU_LCLICK,
  33    WXLOWIN_MENU_DBLCLICK
  34
  35 };
  36
  37 class wxLayoutWindow : public wxScrolledWindow
  38 {
  39 public:
  40    /** Constructor.
  41        @param parent parent window to display this panel in
  42    */
  43    wxLayoutWindow(wxWindow *parent);
  44
  45    /* Returns a reference to the wxLayoutList object.
  46       @return the list
  47    */
  48    wxLayoutList & GetLayoutList(void) { return m_llist; }
  49
  50    // clears the window and sets default parameters:
  51    void Clear(int family = wxROMAN, int size=12, int style=wxNORMAL, int weight=wxNORMAL,
  52               int underline=0, char const *fg="black", char const
  53               *bg="white")
  54       {
  55          GetLayoutList().Clear(family,size,style,weight,underline,fg,bg);
  56          SetBackgroundColour( *GetLayoutList().GetDefaults()->GetBGColour());
  57
  58          m_bDirty = FALSE;
  59       }
  60
  61    // callbacks
  62    // NB: these functions are used as event handlers and must not be virtual
  63    void OnPaint(wxPaintEvent &event);
  64
  65    void OnLeftMouseClick(wxMouseEvent& event)
  66       { OnMouse(WXLOWIN_MENU_LCLICK, event); }
  67    void OnRightMouseClick(wxMouseEvent& event)
  68       { OnMouse(WXLOWIN_MENU_RCLICK, event); }
  69    void OnMouseDblClick(wxMouseEvent& event)
  70       { OnMouse(WXLOWIN_MENU_DBLCLICK, event); }
  71
  72    void OnChar(wxKeyEvent& event);
  73    void OnMenu(wxCommandEvent& event);
  74
  75    void EnablePopup(bool enable = true) { m_DoPopupMenu = enable; }
  76    /// gets called by either Update() or OnPaint()
  77    void DoPaint(wxDC &dc);
  78
  79 #ifdef __WXMSW__
  80    virtual long MSWGetDlgCode();
  81 #endif //MSW
  82
  83    void UpdateScrollbars(void);
  84    void Print(void);
  85    wxMenu * wxLayoutWindow::MakeFormatMenu(void);
  86
  87    /// if the flag is true, we send events when user clicks on embedded objects
  88    inline void SetMouseTracking(bool doIt = true) { m_doSendEvents = doIt; }
  89
  90    virtual ~wxLayoutWindow() { if(m_PopupMenu) delete m_PopupMenu; }
  91
  92    // dirty flag access
  93    bool IsDirty() const { return m_llist.IsDirty(); }
  94    void ResetDirty()    { m_llist.ResetDirty();     }
  95
  96 protected:
  97    /// generic function for mouse events processing
  98    void OnMouse(int eventId, wxMouseEvent& event);
  99
 100    /// repaint if needed
 101    void Update(void);
 102
 103    /// for sending events
 104    wxWindow *m_Parent;
 105    bool m_doSendEvents;
 106
 107    /// the layout list to be displayed
 108    wxLayoutList m_llist;
 109
 110    /// have we already set the scrollbars?
 111    bool m_ScrollbarsSet;
 112    /// Where does the current view start?
 113    int m_ViewStartX; int m_ViewStartY;
 114
 115    /// do we have unsaved data?
 116    bool m_bDirty;
 117
 118    /// do we handle clicks of the right mouse button?
 119    bool m_DoPopupMenu;
 120    /// the menu
 121    wxMenu * m_PopupMenu;
 122 private:
 123    DECLARE_EVENT_TABLE()
 124 };
 125
 126 #endif