include/wx/os2/textctrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.h
   3 // Purpose:     wxTextCtrl class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/17/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_TEXTCTRL_H_
  13 #define _WX_TEXTCTRL_H_
  14
  15 class WXDLLEXPORT wxTextCtrl : public wxTextCtrlBase
  16 {
  17 public:
  18     // creation
  19     // --------
  20
  21     wxTextCtrl();
  22     wxTextCtrl(wxWindow *parent, wxWindowID id,
  23                const wxString& value = wxEmptyString,
  24                const wxPoint& pos = wxDefaultPosition,
  25                const wxSize& size = wxDefaultSize,
  26                long style = 0,
  27                const wxValidator& validator = wxDefaultValidator,
  28                const wxString& name = wxTextCtrlNameStr)
  29     {
  30         Create(parent, id, value, pos, size, style, validator, name);
  31     }
  32
  33     bool Create(wxWindow *parent, wxWindowID id,
  34                 const wxString& value = wxEmptyString,
  35                 const wxPoint& pos = wxDefaultPosition,
  36                 const wxSize& size = wxDefaultSize,
  37                 long style = 0,
  38                 const wxValidator& validator = wxDefaultValidator,
  39                 const wxString& name = wxTextCtrlNameStr);
  40
  41     // implement base class pure virtuals
  42     // ----------------------------------
  43
  44     virtual wxString GetValue() const;
  45     virtual void SetValue(const wxString& value);
  46
  47     virtual int GetLineLength(long lineNo) const;
  48     virtual wxString GetLineText(long lineNo) const;
  49     virtual int GetNumberOfLines() const;
  50
  51     virtual bool IsModified() const;
  52     virtual bool IsEditable() const;
  53
  54     // If the return values from and to are the same, there is no selection.
  55     virtual void GetSelection(long* from, long* to) const;
  56
  57     // operations
  58     // ----------
  59
  60     // editing
  61     virtual void Clear();
  62     virtual void Replace(long from, long to, const wxString& value);
  63     virtual void Remove(long from, long to);
  64
  65     // load the controls contents from the file
  66     virtual bool LoadFile(const wxString& file);
  67
  68     // clears the dirty flag
  69     virtual void DiscardEdits();
  70
  71     // writing text inserts it at the current position, appending always
  72     // inserts it at the end
  73     virtual void WriteText(const wxString& text);
  74     virtual void AppendText(const wxString& text);
  75
  76     // translate between the position (which is just an index in the text ctrl
  77     // considering all its contents as a single strings) and (x, y) coordinates
  78     // which represent column and line.
  79     virtual long XYToPosition(long x, long y) const;
  80     virtual bool PositionToXY(long pos, long *x, long *y) const;
  81
  82     virtual void ShowPosition(long pos);
  83
  84     // Clipboard operations
  85     virtual void Copy();
  86     virtual void Cut();
  87     virtual void Paste();
  88
  89     virtual bool CanCopy() const;
  90     virtual bool CanCut() const;
  91     virtual bool CanPaste() const;
  92
  93     // Undo/redo
  94     virtual void Undo();
  95     virtual void Redo();
  96
  97     virtual bool CanUndo() const;
  98     virtual bool CanRedo() const;
  99
 100     // Insertion point
 101     virtual void SetInsertionPoint(long pos);
 102     virtual void SetInsertionPointEnd();
 103     virtual long GetInsertionPoint() const;
 104     virtual long GetLastPosition() const;
 105
 106     virtual void SetSelection(long from, long to);
 107     virtual void SetEditable(bool editable);
 108
 109     // Implementation from now on
 110     // --------------------------
 111
 112     virtual void Command(wxCommandEvent& event);
 113     virtual bool OS2Command(WXUINT param, WXWORD id);
 114
 115     virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 116                                 WXUINT message, WXWPARAM wParam,
 117                                 WXLPARAM lParam);
 118
 119     virtual void AdoptAttributesFromHWND();
 120     virtual void SetupColours();
 121
 122     virtual bool AcceptsFocus() const;
 123
 124     // callbacks
 125     void OnDropFiles(wxDropFilesEvent& event);
 126     void OnChar(wxKeyEvent& event); // Process 'enter' if required
 127
 128     void OnCut(wxCommandEvent& event);
 129     void OnCopy(wxCommandEvent& event);
 130     void OnPaste(wxCommandEvent& event);
 131     void OnUndo(wxCommandEvent& event);
 132     void OnRedo(wxCommandEvent& event);
 133
 134     void OnUpdateCut(wxUpdateUIEvent& event);
 135     void OnUpdateCopy(wxUpdateUIEvent& event);
 136     void OnUpdatePaste(wxUpdateUIEvent& event);
 137     void OnUpdateUndo(wxUpdateUIEvent& event);
 138     void OnUpdateRedo(wxUpdateUIEvent& event);
 139
 140 protected:
 141     // call this to increase the size limit (will do nothing if the current
 142     // limit is big enough)
 143     void AdjustSpaceLimit();
 144
 145     virtual wxSize DoGetBestSize();
 146
 147 private:
 148     DECLARE_EVENT_TABLE()
 149     DECLARE_DYNAMIC_CLASS(wxTextCtrl)
 150 };
 151
 152 #endif
 153     // _WX_TEXTCTRL_H_