include/wx/mac/textctrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.h
   3 // Purpose:     wxTextCtrl class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_TEXTCTRL_H_
  13 #define _WX_TEXTCTRL_H_
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16 #pragma interface "textctrl.h"
  17 #endif
  18
  19 #include "wx/control.h"
  20
  21 WXDLLEXPORT_DATA(extern const char*) wxTextCtrlNameStr;
  22 WXDLLEXPORT_DATA(extern const char*) wxEmptyString;
  23
  24 // Single-line text item
  25 class WXDLLEXPORT wxTextCtrl: public wxTextCtrlBase
  26 {
  27   DECLARE_DYNAMIC_CLASS(wxTextCtrl)
  28
  29 public:
  30   // creation
  31   // --------
  32   wxTextCtrl();
  33   ~wxTextCtrl();
  34   inline wxTextCtrl(wxWindow *parent, wxWindowID id,
  35                     const wxString& value = wxEmptyString,
  36                     const wxPoint& pos = wxDefaultPosition,
  37                     const wxSize& size = wxDefaultSize, long style = 0,
  38                     const wxValidator& validator = wxDefaultValidator,
  39                     const wxString& name = wxTextCtrlNameStr)
  40   {
  41     Create(parent, id, value, pos, size, style, validator, name);
  42   }
  43
  44   bool Create(wxWindow *parent, wxWindowID id,
  45               const wxString& value = wxEmptyString,
  46               const wxPoint& pos = wxDefaultPosition,
  47               const wxSize& size = wxDefaultSize, long style = 0,
  48               const wxValidator& validator = wxDefaultValidator,
  49               const wxString& name = wxTextCtrlNameStr);
  50
  51   // accessors
  52   // ---------
  53   virtual wxString GetValue() const ;
  54   virtual void SetValue(const wxString& value);
  55
  56   virtual int GetLineLength(long lineNo) const;
  57   virtual wxString GetLineText(long lineNo) const;
  58   virtual int GetNumberOfLines() const;
  59
  60   virtual bool IsModified() const;
  61   virtual bool IsEditable() const;
  62
  63   // If the return values from and to are the same, there is no selection.
  64   virtual void GetSelection(long* from, long* to) const;
  65
  66   // operations
  67   // ----------
  68
  69   // editing
  70
  71   virtual void Clear();
  72   virtual void Replace(long from, long to, const wxString& value);
  73   virtual void Remove(long from, long to);
  74
  75   // load the controls contents from the file
  76   virtual bool LoadFile(const wxString& file);
  77
  78   // clears the dirty flag
  79   virtual void DiscardEdits();
  80
  81   // set the max number of characters which may be entered in a single line
  82   // text control
  83   virtual void SetMaxLength(unsigned long len) ;
  84
  85   // text control under some platforms supports the text styles: these
  86   // methods allow to apply the given text style to the given selection or to
  87   // set/get the style which will be used for all appended text
  88   virtual bool SetStyle(long start, long end, const wxTextAttr& style);
  89   virtual bool SetDefaultStyle(const wxTextAttr& style);
  90
  91   // writing text inserts it at the current position, appending always
  92   // inserts it at the end
  93   virtual void WriteText(const wxString& text);
  94   virtual void AppendText(const wxString& text);
  95
  96   // translate between the position (which is just an index in the text ctrl
  97   // considering all its contents as a single strings) and (x, y) coordinates
  98   // which represent column and line.
  99   virtual long XYToPosition(long x, long y) const;
 100   virtual bool PositionToXY(long pos, long *x, long *y) const;
 101
 102   virtual void ShowPosition(long pos);
 103
 104   // Clipboard operations
 105   virtual void Copy();
 106   virtual void Cut();
 107   virtual void Paste();
 108
 109   virtual bool CanCopy() const;
 110   virtual bool CanCut() const;
 111   virtual bool CanPaste() const;
 112
 113   // Undo/redo
 114   virtual void Undo();
 115   virtual void Redo();
 116
 117   virtual bool CanUndo() const;
 118   virtual bool CanRedo() const;
 119
 120   // Insertion point
 121   virtual void SetInsertionPoint(long pos);
 122   virtual void SetInsertionPointEnd();
 123   virtual long GetInsertionPoint() const;
 124   virtual long GetLastPosition() const;
 125
 126   virtual void SetSelection(long from, long to);
 127   virtual void SetEditable(bool editable);
 128
 129     // Implementation from now on
 130     // --------------------------
 131
 132     // Implementation
 133     // --------------
 134     virtual void Command(wxCommandEvent& event);
 135
 136     virtual bool AcceptsFocus() const;
 137
 138     // callbacks
 139     void OnDropFiles(wxDropFilesEvent& event);
 140     void OnChar(wxKeyEvent& event); // Process 'enter' if required
 141
 142     void OnCut(wxCommandEvent& event);
 143     void OnCopy(wxCommandEvent& event);
 144     void OnPaste(wxCommandEvent& event);
 145     void OnUndo(wxCommandEvent& event);
 146     void OnRedo(wxCommandEvent& event);
 147
 148     void OnUpdateCut(wxUpdateUIEvent& event);
 149     void OnUpdateCopy(wxUpdateUIEvent& event);
 150     void OnUpdatePaste(wxUpdateUIEvent& event);
 151     void OnUpdateUndo(wxUpdateUIEvent& event);
 152     void OnUpdateRedo(wxUpdateUIEvent& event);
 153
 154        virtual bool MacCanFocus() const { return true ; }
 155     virtual bool MacSetupCursor( const wxPoint& pt ) ;
 156
 157     virtual void      MacSuperShown( bool show ) ;
 158     virtual bool     Show(bool show = TRUE) ;
 159
 160 protected:
 161   virtual wxSize DoGetBestSize() const;
 162
 163   bool  m_editable ;
 164   // one of the following objects is used for representation, the other one is NULL
 165   void*  m_macTE ;
 166   void*  m_macTXN ;
 167   void*  m_macTXNvars ;
 168   bool  m_macUsesTXN ;
 169   unsigned long  m_maxLength ;
 170
 171   DECLARE_EVENT_TABLE()
 172 };
 173
 174 #endif
 175     // _WX_TEXTCTRL_H_