include/wx/msw/textctrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.h
   3 // Purpose:     wxTextCtrl class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_TEXTCTRL_H_
  13 #define _WX_TEXTCTRL_H_
  14
  15 #ifdef __GNUG__
  16     #pragma interface "textctrl.h"
  17 #endif
  18
  19 #include "wx/setup.h"
  20 #include "wx/control.h"
  21
  22 #if wxUSE_IOSTREAMH
  23     #include <iostream.h>
  24 #else
  25     #include <iostream>
  26 #endif
  27
  28 #if defined(__WIN95__) && !defined(__TWIN32__)
  29     #define wxUSE_RICHEDIT 1
  30 #else
  31     #define wxUSE_RICHEDIT 0
  32 #endif
  33
  34 WXDLLEXPORT_DATA(extern const char*) wxTextCtrlNameStr;
  35 WXDLLEXPORT_DATA(extern const char*) wxEmptyString;
  36
  37 // Single-line text item
  38 class WXDLLEXPORT wxTextCtrl : public wxControl
  39
  40 // 16-bit Borland 4.0 doesn't seem to allow multiple inheritance with wxWindow and streambuf:
  41 // it complains about deriving a huge class from the huge class streambuf. !!
  42 // Also, can't use streambuf if making or using a DLL :-(
  43
  44 #if (defined(__BORLANDC__)) || defined(__MWERKS__) || defined(_WINDLL) || defined(WXUSINGDLL) || defined(WXMAKINGDLL)
  45 #define NO_TEXT_WINDOW_STREAM
  46 #endif
  47
  48 #ifndef NO_TEXT_WINDOW_STREAM
  49 , public streambuf
  50 #endif
  51
  52 {
  53   DECLARE_DYNAMIC_CLASS(wxTextCtrl)
  54
  55 public:
  56     // creation
  57     // --------
  58     wxTextCtrl();
  59     wxTextCtrl(wxWindow *parent, wxWindowID id,
  60             const wxString& value = wxEmptyString,
  61             const wxPoint& pos = wxDefaultPosition,
  62             const wxSize& size = wxDefaultSize, long style = 0,
  63             const wxValidator& validator = wxDefaultValidator,
  64             const wxString& name = wxTextCtrlNameStr)
  65 #ifndef NO_TEXT_WINDOW_STREAM
  66         :streambuf()
  67 #endif
  68         {
  69             Create(parent, id, value, pos, size, style, validator, name);
  70         }
  71
  72     bool Create(wxWindow *parent, wxWindowID id,
  73             const wxString& value = wxEmptyString,
  74             const wxPoint& pos = wxDefaultPosition,
  75             const wxSize& size = wxDefaultSize, long style = wxTE_PROCESS_TAB,
  76             const wxValidator& validator = wxDefaultValidator,
  77             const wxString& name = wxTextCtrlNameStr);
  78
  79     // accessors
  80     // ---------
  81     virtual wxString GetValue() const ;
  82     virtual void SetValue(const wxString& value);
  83
  84     virtual int GetLineLength(long lineNo) const;
  85     virtual wxString GetLineText(long lineNo) const;
  86     virtual int GetNumberOfLines() const;
  87
  88     // operations
  89     // ----------
  90
  91     // Clipboard operations
  92     virtual void Copy();
  93     virtual void Cut();
  94     virtual void Paste();
  95
  96     virtual void SetInsertionPoint(long pos);
  97     virtual void SetInsertionPointEnd();
  98     virtual long GetInsertionPoint() const ;
  99     virtual long GetLastPosition() const ;
 100     virtual void Replace(long from, long to, const wxString& value);
 101     virtual void Remove(long from, long to);
 102     virtual void SetSelection(long from, long to);
 103     virtual void SetEditable(bool editable);
 104
 105     // streambuf implementation
 106 #ifndef NO_TEXT_WINDOW_STREAM
 107     int overflow(int i);
 108     int sync();
 109     int underflow();
 110 #endif
 111
 112     wxTextCtrl& operator<<(const wxString& s);
 113     wxTextCtrl& operator<<(int i);
 114     wxTextCtrl& operator<<(long i);
 115     wxTextCtrl& operator<<(float f);
 116     wxTextCtrl& operator<<(double d);
 117     wxTextCtrl& operator<<(const char c);
 118
 119     virtual bool LoadFile(const wxString& file);
 120     virtual bool SaveFile(const wxString& file);
 121     virtual void WriteText(const wxString& text);
 122     virtual void AppendText(const wxString& text);
 123     virtual void DiscardEdits();
 124     virtual bool IsModified() const;
 125
 126 #if WXWIN_COMPATIBILITY
 127     inline bool Modified() const { return IsModified(); }
 128 #endif
 129
 130     virtual long XYToPosition(long x, long y) const ;
 131     virtual void PositionToXY(long pos, long *x, long *y) const ;
 132     virtual void ShowPosition(long pos);
 133     virtual void Clear();
 134
 135     // callbacks
 136     // ---------
 137     void OnDropFiles(wxDropFilesEvent& event);
 138     void OnChar(wxKeyEvent& event); // Process 'enter' if required
 139     void OnEraseBackground(wxEraseEvent& event);
 140
 141     // Implementation
 142     // --------------
 143     virtual void Command(wxCommandEvent& event);
 144     virtual bool MSWCommand(WXUINT param, WXWORD id);
 145
 146 #if wxUSE_RICHEDIT
 147     bool IsRich() const { return m_isRich; }
 148     void SetRichEdit(bool isRich) { m_isRich = isRich; }
 149 #endif
 150
 151     virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 152             WXUINT message, WXWPARAM wParam,
 153             WXLPARAM lParam);
 154
 155     virtual void AdoptAttributesFromHWND();
 156     virtual void SetupColours();
 157     virtual long MSWGetDlgCode();
 158
 159 protected:
 160 #if wxUSE_RICHEDIT
 161     bool      m_isRich; // Are we using rich text edit to implement this?
 162 #endif
 163
 164     wxString  m_fileName;
 165
 166     virtual void DoSetSize(int x, int y,
 167             int width, int height,
 168             int sizeFlags = wxSIZE_AUTO);
 169
 170 private:
 171     DECLARE_EVENT_TABLE()
 172 };
 173
 174 #endif
 175     // _WX_TEXTCTRL_H_