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