+// ----------------------------------------------------------------------------
+// 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
+// ----------------------------------------------------------------------------
+
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