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 #if wxUSE_VALIDATORS
  28 #  if defined(__VISAGECPP__)
  29                const wxValidator* validator = wxDefaultValidator,
  30 #  else
  31                const wxValidator& validator = wxDefaultValidator,
  32 #  endif
  33 #endif
  34                const wxString& name = wxTextCtrlNameStr)
  35     {
  36         Create(parent, id, value, pos, size, style, validator, name);
  37     }
  38
  39     bool Create(wxWindow *parent, wxWindowID id,
  40                 const wxString& value = wxEmptyString,
  41                 const wxPoint& pos = wxDefaultPosition,
  42                 const wxSize& size = wxDefaultSize,
  43                 long style = 0,
  44 #if wxUSE_VALIDATORS
  45 #  if defined(__VISAGECPP__)
  46                 const wxValidator* validator = wxDefaultValidator,
  47 #  else
  48                 const wxValidator& validator = wxDefaultValidator,
  49 #  endif
  50 #endif
  51                 const wxString& name = wxTextCtrlNameStr);
  52
  53     // implement base class pure virtuals
  54     // ----------------------------------
  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     virtual void Clear();
  74     virtual void Replace(long from, long to, const wxString& value);
  75     virtual void Remove(long from, long to);
  76
  77     // load the controls contents from the file
  78     virtual bool LoadFile(const wxString& file);
  79
  80     // clears the dirty flag
  81     virtual void DiscardEdits();
  82
  83     // writing text inserts it at the current position, appending always
  84     // inserts it at the end
  85     virtual void WriteText(const wxString& text);
  86     virtual void AppendText(const wxString& text);
  87
  88     // translate between the position (which is just an index in the text ctrl
  89     // considering all its contents as a single strings) and (x, y) coordinates
  90     // which represent column and line.
  91     virtual long XYToPosition(long x, long y) const;
  92     virtual bool PositionToXY(long pos, long *x, long *y) const;
  93
  94     virtual void ShowPosition(long pos);
  95
  96     // Clipboard operations
  97     virtual void Copy();
  98     virtual void Cut();
  99     virtual void Paste();
 100
 101     virtual bool CanCopy() const;
 102     virtual bool CanCut() const;
 103     virtual bool CanPaste() const;
 104
 105     // Undo/redo
 106     virtual void Undo();
 107     virtual void Redo();
 108
 109     virtual bool CanUndo() const;
 110     virtual bool CanRedo() const;
 111
 112     // Insertion point
 113     virtual void SetInsertionPoint(long pos);
 114     virtual void SetInsertionPointEnd();
 115     virtual long GetInsertionPoint() const;
 116     virtual long GetLastPosition() const;
 117
 118     virtual void SetSelection(long from, long to);
 119     virtual void SetEditable(bool editable);
 120
 121     // Implementation from now on
 122     // --------------------------
 123
 124     virtual void Command(wxCommandEvent& event);
 125     virtual bool OS2Command(WXUINT param, WXWORD id);
 126
 127     virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 128                                 WXUINT message, WXWPARAM wParam,
 129                                 WXLPARAM lParam);
 130
 131     virtual void AdoptAttributesFromHWND();
 132     virtual void SetupColours();
 133
 134     virtual bool AcceptsFocus() const;
 135
 136     // callbacks
 137     void OnDropFiles(wxDropFilesEvent& event);
 138     void OnChar(wxKeyEvent& event); // Process 'enter' if required
 139
 140     void OnCut(wxCommandEvent& event);
 141     void OnCopy(wxCommandEvent& event);
 142     void OnPaste(wxCommandEvent& event);
 143     void OnUndo(wxCommandEvent& event);
 144     void OnRedo(wxCommandEvent& event);
 145
 146     void OnUpdateCut(wxUpdateUIEvent& event);
 147     void OnUpdateCopy(wxUpdateUIEvent& event);
 148     void OnUpdatePaste(wxUpdateUIEvent& event);
 149     void OnUpdateUndo(wxUpdateUIEvent& event);
 150     void OnUpdateRedo(wxUpdateUIEvent& event);
 151
 152 protected:
 153     // call this to increase the size limit (will do nothing if the current
 154     // limit is big enough)
 155     void AdjustSpaceLimit();
 156
 157     virtual wxSize DoGetBestSize();
 158
 159 private:
 160     DECLARE_EVENT_TABLE()
 161     DECLARE_DYNAMIC_CLASS(wxTextCtrl)
 162 };
 163
 164 #endif
 165     // _WX_TEXTCTRL_H_