include/wx/mac/carbon/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(NO_GCC_PRAGMA)
  16 #pragma interface "textctrl.h"
  17 #endif
  18
  19 #include "wx/control.h"
  20
  21 WXDLLEXPORT_DATA(extern const wxChar*) wxTextCtrlNameStr;
  22
  23 class wxMacTextControl ;
  24
  25 // Single-line text item
  26 class WXDLLEXPORT wxTextCtrl: public wxTextCtrlBase
  27 {
  28   DECLARE_DYNAMIC_CLASS(wxTextCtrl)
  29
  30 public:
  31   // creation
  32   // --------
  33   wxTextCtrl() { Init(); }
  34   ~wxTextCtrl();
  35   wxTextCtrl(wxWindow *parent, wxWindowID id,
  36              const wxString& value = wxEmptyString,
  37              const wxPoint& pos = wxDefaultPosition,
  38              const wxSize& size = wxDefaultSize, long style = 0,
  39              const wxValidator& validator = wxDefaultValidator,
  40              const wxString& name = wxTextCtrlNameStr)
  41   {
  42       Init();
  43
  44       Create(parent, id, value, pos, size, style, validator, name);
  45   }
  46
  47   bool Create(wxWindow *parent, wxWindowID id,
  48               const wxString& value = wxEmptyString,
  49               const wxPoint& pos = wxDefaultPosition,
  50               const wxSize& size = wxDefaultSize, long style = 0,
  51               const wxValidator& validator = wxDefaultValidator,
  52               const wxString& name = wxTextCtrlNameStr);
  53
  54   // accessors
  55   // ---------
  56   virtual wxString GetValue() const ;
  57   virtual void SetValue(const wxString& value);
  58
  59   virtual int GetLineLength(long lineNo) const;
  60   virtual wxString GetLineText(long lineNo) const;
  61   virtual int GetNumberOfLines() const;
  62
  63   virtual bool IsModified() const;
  64   virtual bool IsEditable() const;
  65
  66   // If the return values from and to are the same, there is no selection.
  67   virtual void GetSelection(long* from, long* to) const;
  68
  69   // operations
  70   // ----------
  71
  72   // editing
  73
  74   virtual void Clear();
  75   virtual void Replace(long from, long to, const wxString& value);
  76   virtual void Remove(long from, long to);
  77
  78   // load the controls contents from the file
  79   virtual bool LoadFile(const wxString& file);
  80
  81   // sets/clears the dirty flag
  82   virtual void MarkDirty();
  83   virtual void DiscardEdits();
  84
  85   // set the max number of characters which may be entered in a single line
  86   // text control
  87   virtual void SetMaxLength(unsigned long len) ;
  88
  89   // text control under some platforms supports the text styles: these
  90   // methods allow to apply the given text style to the given selection or to
  91   // set/get the style which will be used for all appended text
  92   virtual bool SetFont( const wxFont &font ) ;
  93   virtual bool SetStyle(long start, long end, const wxTextAttr& style);
  94   virtual bool SetDefaultStyle(const wxTextAttr& style);
  95
  96   // writing text inserts it at the current position, appending always
  97   // inserts it at the end
  98   virtual void WriteText(const wxString& text);
  99   virtual void AppendText(const wxString& text);
 100
 101   // translate between the position (which is just an index in the text ctrl
 102   // considering all its contents as a single strings) and (x, y) coordinates
 103   // which represent column and line.
 104   virtual long XYToPosition(long x, long y) const;
 105   virtual bool PositionToXY(long pos, long *x, long *y) const;
 106
 107   virtual void ShowPosition(long pos);
 108
 109   // Clipboard operations
 110   virtual void Copy();
 111   virtual void Cut();
 112   virtual void Paste();
 113
 114   virtual bool CanCopy() const;
 115   virtual bool CanCut() const;
 116   virtual bool CanPaste() const;
 117
 118   // Undo/redo
 119   virtual void Undo();
 120   virtual void Redo();
 121
 122   virtual bool CanUndo() const;
 123   virtual bool CanRedo() const;
 124
 125   // Insertion point
 126   virtual void SetInsertionPoint(long pos);
 127   virtual void SetInsertionPointEnd();
 128   virtual long GetInsertionPoint() const;
 129   virtual wxTextPos GetLastPosition() const;
 130
 131   virtual void SetSelection(long from, long to);
 132   virtual void SetEditable(bool editable);
 133
 134     // Implementation from now on
 135     // --------------------------
 136
 137     // Implementation
 138     // --------------
 139     virtual void Command(wxCommandEvent& event);
 140
 141     virtual bool AcceptsFocus() const;
 142
 143     // callbacks
 144     void OnDropFiles(wxDropFilesEvent& event);
 145     void OnChar(wxKeyEvent& event); // Process 'enter' if required
 146
 147     void OnCut(wxCommandEvent& event);
 148     void OnCopy(wxCommandEvent& event);
 149     void OnPaste(wxCommandEvent& event);
 150     void OnUndo(wxCommandEvent& event);
 151     void OnRedo(wxCommandEvent& event);
 152
 153     void OnUpdateCut(wxUpdateUIEvent& event);
 154     void OnUpdateCopy(wxUpdateUIEvent& event);
 155     void OnUpdatePaste(wxUpdateUIEvent& event);
 156     void OnUpdateUndo(wxUpdateUIEvent& event);
 157     void OnUpdateRedo(wxUpdateUIEvent& event);
 158
 159     void OnEraseBackground(wxEraseEvent& event) ;
 160
 161     virtual bool MacCanFocus() const { return true ; }
 162     virtual bool MacSetupCursor( const wxPoint& pt ) ;
 163
 164     virtual void         MacVisibilityChanged() ;
 165     virtual void         MacEnabledStateChanged() ;
 166
 167     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 168     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 169     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 170     virtual void            MacControlUserPaneIdleProc() ;
 171     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 172     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 173     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 174     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 175
 176   wxMacTextControl*         GetPeer() const { return (wxMacTextControl*) m_peer ; }
 177 protected:
 178     // common part of all ctors
 179     void Init();
 180
 181   virtual wxSize            DoGetBestSize() const;
 182
 183   bool  m_editable ;
 184
 185   // flag is set to true when the user edits the controls contents
 186   bool m_dirty;
 187
 188   unsigned long  m_maxLength ;
 189   // need to make this public because of the current implementation via callbacks
 190 private :
 191   DECLARE_EVENT_TABLE()
 192 };
 193
 194 #endif
 195     // _WX_TEXTCTRL_H_