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///////////////////////////////////////////////////////////////////////////////
// Name: textctrl.h
// Purpose: wxTextCtrlBase class - the interface of wxTextCtrl
// Author: Vadim Zeitlin
// Modified by:
// Created: 13.07.99
// RCS-ID: $Id: textctrl.h,v 1.13 2000/02/17 18:23:41 SB Exp $
// Copyright: (c) wxWindows team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_TEXTCTRL_H_BASE_
#define _WX_TEXTCTRL_H_BASE_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma interface "textctrlbase.h"
#endif
#include "wx/defs.h"
#include "wx/control.h" // the base class
// 16-bit Borland 4.0 doesn't seem to allow multiple inheritance with wxWindow
// and streambuf: it complains about deriving a huge class from the huge class
// streambuf. !! Also, can't use streambuf if making or using a DLL :-(
#if (defined(__BORLANDC__)) || defined(__MWERKS__) || defined(_WINDLL) || defined(WXUSINGDLL) || defined(WXMAKINGDLL)
#define NO_TEXT_WINDOW_STREAM
#endif
#ifndef NO_TEXT_WINDOW_STREAM
#if wxUSE_STD_IOSTREAM
#include "wx/ioswrap.h" // for iostream classes if we need them
#else // !wxUSE_STD_IOSTREAM
// can't compile this feature in if we don't use streams at all
#define NO_TEXT_WINDOW_STREAM
#endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
#endif
class WXDLLEXPORT wxTextCtrl;
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
WXDLLEXPORT_DATA(extern const wxChar*) wxTextCtrlNameStr;
WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
// ----------------------------------------------------------------------------
// wxTextCtrl: a single or multiple line text zone where user can enter and
// edit text
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxTextCtrlBase : public wxControl
#ifndef NO_TEXT_WINDOW_STREAM
, public streambuf
#endif
{
public:
// creation
// --------
wxTextCtrlBase();
~wxTextCtrlBase();
// accessors
// ---------
virtual wxString GetValue() const = 0;
virtual void SetValue(const wxString& value) = 0;
virtual int GetLineLength(long lineNo) const = 0;
virtual wxString GetLineText(long lineNo) const = 0;
virtual int GetNumberOfLines() const = 0;
virtual bool IsModified() const = 0;
virtual bool IsEditable() const = 0;
// If the return values from and to are the same, there is no selection.
virtual void GetSelection(long* from, long* to) const = 0;
// operations
// ----------
// editing
virtual void Clear() = 0;
virtual void Replace(long from, long to, const wxString& value) = 0;
virtual void Remove(long from, long to) = 0;
// load/save the controls contents from/to the file
virtual bool LoadFile(const wxString& file);
virtual bool SaveFile(const wxString& file = wxEmptyString);
// clears the dirty flag
virtual void DiscardEdits() = 0;
// writing text inserts it at the current position, appending always
// inserts it at the end
virtual void WriteText(const wxString& text) = 0;
virtual void AppendText(const wxString& text) = 0;
// translate between the position (which is just an index in the text ctrl
// considering all its contents as a single strings) and (x, y) coordinates
// which represent column and line.
virtual long XYToPosition(long x, long y) const = 0;
virtual bool PositionToXY(long pos, long *x, long *y) const = 0;
virtual void ShowPosition(long pos) = 0;
// Clipboard operations
virtual void Copy() = 0;
virtual void Cut() = 0;
virtual void Paste() = 0;
virtual bool CanCopy() const = 0;
virtual bool CanCut() const = 0;
virtual bool CanPaste() const = 0;
// Undo/redo
virtual void Undo() = 0;
virtual void Redo() = 0;
virtual bool CanUndo() const = 0;
virtual bool CanRedo() const = 0;
// Insertion point
virtual void SetInsertionPoint(long pos) = 0;
virtual void SetInsertionPointEnd() = 0;
virtual long GetInsertionPoint() const = 0;
virtual long GetLastPosition() const = 0;
virtual void SetSelection(long from, long to) = 0;
virtual void SetEditable(bool editable) = 0;
// streambuf methods
#ifndef NO_TEXT_WINDOW_STREAM
int overflow(int i);
int sync();
int underflow();
#endif // NO_TEXT_WINDOW_STREAM
// stream-like insertion operators: these are always available, whether we
// were, or not, compiled with streambuf support
wxTextCtrl& operator<<(const wxString& s);
wxTextCtrl& operator<<(int i);
wxTextCtrl& operator<<(long i);
wxTextCtrl& operator<<(float f);
wxTextCtrl& operator<<(double d);
wxTextCtrl& operator<<(const wxChar c);
// obsolete functions
#if WXWIN_COMPATIBILITY
bool Modified() const { return IsModified(); }
#endif
protected:
// the name of the last file loaded with LoadFile() which will be used by
// SaveFile() by default
wxString m_filename;
private:
#ifndef NO_TEXT_WINDOW_STREAM
#if !wxUSE_IOSTREAMH
char *m_streambuf;
#endif
#endif
};
// ----------------------------------------------------------------------------
// include the platform-dependent class definition
// ----------------------------------------------------------------------------
#if defined(__WXMSW__)
#include "wx/msw/textctrl.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/textctrl.h"
#elif defined(__WXGTK__)
#include "wx/gtk/textctrl.h"
#elif defined(__WXQT__)
#include "wx/qt/textctrl.h"
#elif defined(__WXMAC__)
#include "wx/mac/textctrl.h"
#elif defined(__WXPM__)
#include "wx/os2/textctrl.h"
#elif defined(__WXSTUBS__)
#include "wx/stubs/textctrl.h"
#endif
#endif
// _WX_TEXTCTRL_H_BASE_
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