include/wx/mac/carbon/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 #endif
  22
  23 #include "wx/control.h"
  24 #include "wx/textctrl.h"
  25
  26 class wxMacTextControl;
  27
  28
  29 class WXDLLEXPORT wxTextCtrl: public wxTextCtrlBase
  30 {
  31   DECLARE_DYNAMIC_CLASS(wxTextCtrl)
  32
  33 public:
  34     wxTextCtrl()
  35     { Init(); }
  36
  37     wxTextCtrl(wxWindow *parent,
  38         wxWindowID id,
  39         const wxString& value = wxEmptyString,
  40         const wxPoint& pos = wxDefaultPosition,
  41         const wxSize& size = wxDefaultSize,
  42         long style = 0,
  43         const wxValidator& validator = wxDefaultValidator,
  44         const wxString& name = wxTextCtrlNameStr)
  45     {
  46         Init();
  47         Create(parent, id, value, pos, size, style, validator, name);
  48     }
  49
  50     virtual ~wxTextCtrl();
  51
  52     bool Create(wxWindow *parent,
  53         wxWindowID id,
  54         const wxString& value = wxEmptyString,
  55         const wxPoint& pos = wxDefaultPosition,
  56         const wxSize& size = wxDefaultSize,
  57         long style = 0,
  58         const wxValidator& validator = wxDefaultValidator,
  59         const wxString& name = wxTextCtrlNameStr);
  60
  61     // accessors
  62     // ---------
  63     virtual wxString GetValue() const;
  64     virtual void SetValue(const wxString& value);
  65
  66     virtual void ChangeValue(const wxString &value);
  67
  68     virtual int GetLineLength(long lineNo) const;
  69     virtual wxString GetLineText(long lineNo) const;
  70     virtual int GetNumberOfLines() const;
  71
  72     virtual bool IsModified() const;
  73     virtual bool IsEditable() const;
  74
  75     // If the return values from and to are the same, there is no selection.
  76     virtual void GetSelection(long* from, long* to) const;
  77
  78     // operations
  79     // ----------
  80
  81     // editing
  82     virtual void Clear();
  83     virtual void Replace(long from, long to, const wxString& value);
  84     virtual void Remove(long from, long to);
  85
  86     // sets/clears the dirty flag
  87     virtual void MarkDirty();
  88     virtual void DiscardEdits();
  89
  90     // set the max number of characters which may be entered
  91     // in a single line text control
  92     virtual void SetMaxLength(unsigned long len);
  93
  94     // text control under some platforms supports the text styles: these
  95     // methods apply the given text style to the given selection or to
  96     // set/get the style which will be used for all appended text
  97     virtual bool SetFont( const wxFont &font );
  98     virtual bool SetStyle(long start, long end, const wxTextAttr& style);
  99     virtual bool SetDefaultStyle(const wxTextAttr& style);
 100
 101     // writing text inserts it at the current position;
 102     // appending always inserts it at the end
 103     virtual void WriteText(const wxString& text);
 104     virtual void AppendText(const wxString& text);
 105
 106     // translate between the position (which is just an index into the textctrl
 107     // considering all its contents as a single strings) and (x, y) coordinates
 108     // which represent column and line.
 109     virtual long XYToPosition(long x, long y) const;
 110     virtual bool PositionToXY(long pos, long *x, long *y) const;
 111
 112     virtual void ShowPosition(long pos);
 113
 114     // Clipboard operations
 115     virtual void Copy();
 116     virtual void Cut();
 117     virtual void Paste();
 118
 119     virtual bool CanCopy() const;
 120     virtual bool CanCut() const;
 121     virtual bool CanPaste() const;
 122
 123     // Undo/redo
 124     virtual void Undo();
 125     virtual void Redo();
 126
 127     virtual bool CanUndo() const;
 128     virtual bool CanRedo() const;
 129
 130     // Insertion point
 131     virtual void SetInsertionPoint(long pos);
 132     virtual void SetInsertionPointEnd();
 133     virtual long GetInsertionPoint() const;
 134     virtual wxTextPos GetLastPosition() const;
 135
 136     virtual void SetSelection(long from, long to);
 137     virtual void SetEditable(bool editable);
 138
 139     // Implementation
 140     // --------------
 141     virtual void Command(wxCommandEvent& event);
 142
 143     virtual bool AcceptsFocus() const;
 144
 145     // callbacks
 146     void OnDropFiles(wxDropFilesEvent& event);
 147     void OnChar(wxKeyEvent& event); // Process 'enter' if required
 148
 149     void OnCut(wxCommandEvent& event);
 150     void OnCopy(wxCommandEvent& event);
 151     void OnPaste(wxCommandEvent& event);
 152     void OnUndo(wxCommandEvent& event);
 153     void OnRedo(wxCommandEvent& event);
 154     void OnDelete(wxCommandEvent& event);
 155     void OnSelectAll(wxCommandEvent& event);
 156
 157     void OnUpdateCut(wxUpdateUIEvent& event);
 158     void OnUpdateCopy(wxUpdateUIEvent& event);
 159     void OnUpdatePaste(wxUpdateUIEvent& event);
 160     void OnUpdateUndo(wxUpdateUIEvent& event);
 161     void OnUpdateRedo(wxUpdateUIEvent& event);
 162     void OnUpdateDelete(wxUpdateUIEvent& event);
 163     void OnUpdateSelectAll(wxUpdateUIEvent& event);
 164
 165     void OnEraseBackground(wxEraseEvent& event);
 166     void OnContextMenu(wxContextMenuEvent& event);
 167
 168     virtual bool MacCanFocus() const
 169     { return true; }
 170
 171     virtual bool MacSetupCursor( const wxPoint& pt );
 172
 173     virtual void MacVisibilityChanged();
 174     virtual void MacEnabledStateChanged();
 175     virtual void MacSuperChangedPosition();
 176
 177 #ifndef __WXMAC_OSX__
 178     virtual void MacControlUserPaneDrawProc(wxInt16 part);
 179     virtual wxInt16 MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y);
 180     virtual wxInt16 MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc);
 181     virtual void MacControlUserPaneIdleProc();
 182     virtual wxInt16 MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers);
 183     virtual void MacControlUserPaneActivateProc(bool activating);
 184     virtual wxInt16 MacControlUserPaneFocusProc(wxInt16 action);
 185     virtual void MacControlUserPaneBackgroundProc(void* info);
 186 #endif
 187
 188     wxMacTextControl * GetPeer() const
 189     { return (wxMacTextControl*) m_peer; }
 190
 191 protected:
 192     // common part of all ctors
 193     void Init();
 194
 195     virtual wxSize DoGetBestSize() const;
 196
 197     bool  m_editable;
 198
 199     // flag is set to true when the user edits the controls contents
 200     bool m_dirty;
 201
 202   // need to make this public because of the current implementation via callbacks
 203     unsigned long  m_maxLength;
 204
 205     bool GetTriggerOnSetValue() const
 206     {
 207         return m_triggerOnSetValue;
 208     }
 209
 210     void SetTriggerOnSetValue(bool trigger)
 211     {
 212         m_triggerOnSetValue = trigger;
 213     }
 214
 215     bool m_triggerOnSetValue ;
 216
 217 private :
 218   wxMenu  *m_privateContextMenu;
 219
 220   DECLARE_EVENT_TABLE()
 221 };
 222
 223 #endif // _WX_TEXTCTRL_H_