include/wx/osx/textctrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/mac/carbon/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 wxUSE_SYSTEM_OPTIONS
  16     // set this to 'true' if you want to use the 'classic' MLTE-based implementation
  17     // instead of the HIView-based implementation in 10.3 and upwards, the former
  18     // has more features (backgrounds etc.), but may show redraw artefacts and other
  19     // problems depending on your usage; hence, the default is 'false'.
  20     #define wxMAC_TEXTCONTROL_USE_MLTE wxT("mac.textcontrol-use-mlte")
  21     // set this to 'true' if you want editable text controls to have spell checking turned
  22     // on by default, you can change this setting individually on a control using MacCheckSpelling
  23     #define wxMAC_TEXTCONTROL_USE_SPELL_CHECKER wxT("mac.textcontrol-use-spell-checker")
  24 #endif
  25
  26 #include "wx/control.h"
  27 #include "wx/textctrl.h"
  28
  29 // forward decl for wxListWidgetImpl implementation type.
  30 class WXDLLIMPEXP_FWD_CORE wxTextWidgetImpl;
  31
  32 class WXDLLIMPEXP_CORE wxTextCtrl: public wxTextCtrlBase
  33 {
  34   DECLARE_DYNAMIC_CLASS(wxTextCtrl)
  35
  36 public:
  37     wxTextCtrl()
  38     { Init(); }
  39
  40     wxTextCtrl(wxWindow *parent,
  41         wxWindowID id,
  42         const wxString& value = wxEmptyString,
  43         const wxPoint& pos = wxDefaultPosition,
  44         const wxSize& size = wxDefaultSize,
  45         long style = 0,
  46         const wxValidator& validator = wxDefaultValidator,
  47         const wxString& name = wxTextCtrlNameStr)
  48     {
  49         Init();
  50         Create(parent, id, value, pos, size, style, validator, name);
  51     }
  52
  53     virtual ~wxTextCtrl();
  54
  55     bool Create(wxWindow *parent,
  56         wxWindowID id,
  57         const wxString& value = wxEmptyString,
  58         const wxPoint& pos = wxDefaultPosition,
  59         const wxSize& size = wxDefaultSize,
  60         long style = 0,
  61         const wxValidator& validator = wxDefaultValidator,
  62         const wxString& name = wxTextCtrlNameStr);
  63
  64     // accessors
  65     // ---------
  66
  67     virtual int GetLineLength(long lineNo) const;
  68     virtual wxString GetLineText(long lineNo) const;
  69     virtual int GetNumberOfLines() const;
  70
  71     virtual bool IsModified() const;
  72     virtual bool IsEditable() const;
  73
  74     // If the return values from and to are the same, there is no selection.
  75     virtual void GetSelection(long* from, long* to) const;
  76
  77     // operations
  78     // ----------
  79
  80     // editing
  81     virtual void Clear();
  82     virtual void Remove(long from, long to);
  83
  84     // sets/clears the dirty flag
  85     virtual void MarkDirty();
  86     virtual void DiscardEdits();
  87
  88     // set the max number of characters which may be entered
  89     // in a single line text control
  90     virtual void SetMaxLength(unsigned long len);
  91
  92     // text control under some platforms supports the text styles: these
  93     // methods apply the given text style to the given selection or to
  94     // set/get the style which will be used for all appended text
  95     virtual bool SetFont( const wxFont &font );
  96     virtual bool GetStyle(long position, wxTextAttr& style);
  97     virtual bool SetStyle(long start, long end, const wxTextAttr& style);
  98     virtual bool SetDefaultStyle(const wxTextAttr& style);
  99
 100     // writing text inserts it at the current position;
 101     // appending always inserts it at the end
 102     virtual void WriteText(const wxString& text);
 103
 104     // translate between the position (which is just an index into the textctrl
 105     // considering all its contents as a single strings) and (x, y) coordinates
 106     // which represent column and line.
 107     virtual long XYToPosition(long x, long y) const;
 108     virtual bool PositionToXY(long pos, long *x, long *y) const;
 109
 110     virtual void ShowPosition(long pos);
 111
 112     // Clipboard operations
 113     virtual void Copy();
 114     virtual void Cut();
 115     virtual void Paste();
 116
 117     virtual bool CanCopy() const;
 118     virtual bool CanCut() const;
 119     virtual bool CanPaste() const;
 120
 121     // Undo/redo
 122     virtual void Undo();
 123     virtual void Redo();
 124
 125     virtual bool CanUndo() const;
 126     virtual bool CanRedo() const;
 127
 128     // Insertion point
 129     virtual void SetInsertionPoint(long pos);
 130     virtual void SetInsertionPointEnd();
 131     virtual long GetInsertionPoint() const;
 132     virtual wxTextPos GetLastPosition() const;
 133
 134     virtual void SetSelection(long from, long to);
 135     virtual void SetEditable(bool editable);
 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     void OnDelete(wxCommandEvent& event);
 153     void OnSelectAll(wxCommandEvent& event);
 154
 155     void OnUpdateCut(wxUpdateUIEvent& event);
 156     void OnUpdateCopy(wxUpdateUIEvent& event);
 157     void OnUpdatePaste(wxUpdateUIEvent& event);
 158     void OnUpdateUndo(wxUpdateUIEvent& event);
 159     void OnUpdateRedo(wxUpdateUIEvent& event);
 160     void OnUpdateDelete(wxUpdateUIEvent& event);
 161     void OnUpdateSelectAll(wxUpdateUIEvent& event);
 162
 163     void OnContextMenu(wxContextMenuEvent& event);
 164
 165     virtual bool MacSetupCursor( const wxPoint& pt );
 166
 167     virtual void MacVisibilityChanged();
 168     virtual void MacSuperChangedPosition();
 169     virtual void MacCheckSpelling(bool check);
 170
 171     wxTextWidgetImpl * GetTextPeer() const;
 172 protected:
 173     // common part of all ctors
 174     void Init();
 175
 176     virtual wxSize DoGetBestSize() const;
 177
 178     virtual wxString DoGetValue() const;
 179
 180     bool  m_editable;
 181
 182     // flag is set to true when the user edits the controls contents
 183     bool m_dirty;
 184
 185   // need to make this public because of the current implementation via callbacks
 186     unsigned long  m_maxLength;
 187
 188     virtual void EnableTextChangedEvents(bool enable)
 189     {
 190         m_triggerUpdateEvents = enable;
 191     }
 192
 193     bool m_triggerUpdateEvents ;
 194
 195 private :
 196   wxMenu  *m_privateContextMenu;
 197
 198   DECLARE_EVENT_TABLE()
 199 };
 200
 201 #endif // _WX_TEXTCTRL_H_