Add wxBitmap::GetNSImage() which creates an autoreleased NSImage either

[wxWidgets.git] / include / wx / textctrl.h

diff --git a/include/wx/textctrl.h b/include/wx/textctrl.h
index 647a320ce3d2f6c7d6893a2f7ccdc9ab1ac49761..fa7d7814fe27d805186a9c9a990566685cc9a951 100644 (file)
--- a/include/wx/textctrl.h
+++ b/include/wx/textctrl.h
@@ -16,31 +16,29 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma interface "textctrlbase.h"
 #endif
 
 #include "wx/defs.h"
     #pragma interface "textctrlbase.h"
 #endif
 
 #include "wx/defs.h"

+
+#if wxUSE_TEXTCTRL
+

 #include "wx/control.h"         // the base class
 #include "wx/control.h"         // the base class

+#include "wx/dynarray.h"

 
 // 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 :-(
 
 
 // 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
-
-// the streambuf which is used in the declaration of wxTextCtrlBase below is not compatible
-// with the standard-conforming implementation found in newer egcs versions
-// (that is, the libstdc++ v3 that is shipped with it)
-#if defined(__GNUC__)&&( (__GNUC__>2) ||( (__GNUC__==2)&&(__GNUC_MINOR__>97) ) )
+#if (defined(__BORLANDC__)) || defined(__MWERKS__) || \
+    defined(WXUSINGDLL) || defined(WXMAKINGDLL)

     #define NO_TEXT_WINDOW_STREAM
 #endif
 
 #ifndef NO_TEXT_WINDOW_STREAM
     #if wxUSE_STD_IOSTREAM
     #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
+        #include "wx/ioswrap.h"    // derivation: we need the full decls.

     #else // !wxUSE_STD_IOSTREAM
         // can't compile this feature in if we don't use streams at all
         #define NO_TEXT_WINDOW_STREAM
     #else // !wxUSE_STD_IOSTREAM
         // can't compile this feature in if we don't use streams at all
         #define NO_TEXT_WINDOW_STREAM


@@ -48,13 +46,93 @@
 #endif
 
 class WXDLLEXPORT wxTextCtrl;
 #endif
 
 class WXDLLEXPORT wxTextCtrl;

+class WXDLLEXPORT wxTextCtrlBase;

 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 WXDLLEXPORT_DATA(extern const wxChar*) wxTextCtrlNameStr;
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 WXDLLEXPORT_DATA(extern const wxChar*) wxTextCtrlNameStr;

-WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
+
+// ----------------------------------------------------------------------------
+// wxTextCtrl style flags
+// ----------------------------------------------------------------------------
+
+// the flag bits 0x0001, and 0x0004 are free but should be used only for the
+// things which don't make sense for a text control used by wxTextEntryDialog
+// because they would otherwise conflict with wxOK, wxCANCEL, wxCENTRE
+
+#define wxTE_NO_VSCROLL     0x0002
+#define wxTE_AUTO_SCROLL    0x0008
+
+#define wxTE_READONLY       0x0010
+#define wxTE_MULTILINE      0x0020
+#define wxTE_PROCESS_TAB    0x0040
+
+// alignment flags
+#define wxTE_LEFT           0x0000                    // 0x0000
+#define wxTE_CENTER         wxALIGN_CENTER_HORIZONTAL // 0x0100
+#define wxTE_RIGHT          wxALIGN_RIGHT             // 0x0200
+#define wxTE_CENTRE         wxTE_CENTER
+
+// this style means to use RICHEDIT control and does something only under wxMSW
+// and Win32 and is silently ignored under all other platforms
+#define wxTE_RICH           0x0080
+
+#define wxTE_PROCESS_ENTER  0x0400
+#define wxTE_PASSWORD       0x0800
+
+// automatically detect the URLs and generate the events when mouse is
+// moved/clicked over an URL
+//
+// this is for Win32 richedit controls only so far
+#define wxTE_AUTO_URL       0x1000
+
+// by default, the Windows text control doesn't show the selection when it
+// doesn't have focus - use this style to force it to always show it
+#define wxTE_NOHIDESEL      0x2000
+
+// use wxHSCROLL to not wrap text at all, wxTE_LINEWRAP to wrap it at any
+// position and wxTE_WORDWRAP to wrap at words boundary
+#define wxTE_DONTWRAP       wxHSCROLL
+#define wxTE_LINEWRAP       0x4000
+#define wxTE_WORDWRAP       0x0000  // it's just == !wxHSCROLL
+
+// force using RichEdit version 2.0 or 3.0 instead of 1.0 (default) for
+// wxTE_RICH controls - can be used together with or instead of wxTE_RICH
+#define wxTE_RICH2          0x8000
+
+// ----------------------------------------------------------------------------
+// Types for wxTextAttr
+// ----------------------------------------------------------------------------
+
+// Alignment
+
+enum wxTextAttrAlignment
+{
+    wxTEXT_ALIGNMENT_DEFAULT,
+    wxTEXT_ALIGNMENT_LEFT,
+    wxTEXT_ALIGNMENT_CENTRE,
+    wxTEXT_ALIGNMENT_CENTER = wxTEXT_ALIGNMENT_CENTRE,
+    wxTEXT_ALIGNMENT_RIGHT,
+    wxTEXT_ALIGNMENT_JUSTIFIED
+};
+
+// Flags to indicate which attributes are being applied
+
+#define wxTEXT_ATTR_TEXT_COLOUR             0x0001
+#define wxTEXT_ATTR_BACKGROUND_COLOUR       0x0002
+#define wxTEXT_ATTR_FONT_FACE               0x0004
+#define wxTEXT_ATTR_FONT_SIZE               0x0008
+#define wxTEXT_ATTR_FONT_WEIGHT             0x0010
+#define wxTEXT_ATTR_FONT_ITALIC             0x0020
+#define wxTEXT_ATTR_FONT_UNDERLINE          0x0040
+#define wxTEXT_ATTR_FONT \
+  wxTEXT_ATTR_FONT_FACE | wxTEXT_ATTR_FONT_SIZE | wxTEXT_ATTR_FONT_WEIGHT | wxTEXT_ATTR_FONT_ITALIC | wxTEXT_ATTR_FONT_UNDERLINE
+#define wxTEXT_ATTR_ALIGNMENT               0x0080
+#define wxTEXT_ATTR_LEFT_INDENT             0x0100
+#define wxTEXT_ATTR_RIGHT_INDENT            0x0200
+#define wxTEXT_ATTR_TABS                    0x0400

 
 // ----------------------------------------------------------------------------
 // wxTextAttr: a structure containing the visual attributes of a text
 
 // ----------------------------------------------------------------------------
 // wxTextAttr: a structure containing the visual attributes of a text


@@ -64,37 +142,70 @@ class WXDLLEXPORT wxTextAttr
 {
 public:
     // ctors
 {
 public:
     // ctors

-    wxTextAttr() { }
+    wxTextAttr() { Init(); }

     wxTextAttr(const wxColour& colText,
                const wxColour& colBack = wxNullColour,
     wxTextAttr(const wxColour& colText,
                const wxColour& colBack = wxNullColour,

-               const wxFont& font = wxNullFont)
-        : m_colText(colText), m_colBack(colBack), m_font(font) { }
+               const wxFont& font = wxNullFont,
+               wxTextAttrAlignment alignment = wxTEXT_ALIGNMENT_DEFAULT);
+
+    // operations
+    void Init();
+
+    // operators
+    void operator= (const wxTextAttr& attr);

 
     // setters
 
     // setters

-    void SetTextColour(const wxColour& colText) { m_colText = colText; }
-    void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
-    void SetFont(const wxFont& font) { m_font = font; }
+    void SetTextColour(const wxColour& colText) { m_colText = colText; m_flags |= wxTEXT_ATTR_TEXT_COLOUR; }
+    void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; m_flags |= wxTEXT_ATTR_BACKGROUND_COLOUR; }
+    void SetFont(const wxFont& font, long flags = wxTEXT_ATTR_FONT) { m_font = font; m_flags |= flags; }
+    void SetAlignment(wxTextAttrAlignment alignment) { m_textAlignment = alignment; m_flags |= wxTEXT_ATTR_ALIGNMENT; }
+    void SetTabs(const wxArrayInt& tabs) { m_tabs = tabs; m_flags |= wxTEXT_ATTR_TABS; }
+    void SetLeftIndent(int indent) { m_leftIndent = indent; m_flags |= wxTEXT_ATTR_LEFT_INDENT; }
+    void SetRightIndent(int indent) { m_rightIndent = indent; m_flags |= wxTEXT_ATTR_RIGHT_INDENT; }
+    void SetFlags(long flags) { m_flags = flags; }

 
     // accessors
 
     // accessors

-    bool HasTextColour() const { return m_colText.Ok(); }
-    bool HasBackgroundColour() const { return m_colBack.Ok(); }
-    bool HasFont() const { return m_font.Ok(); }
+    bool HasTextColour() const { return m_colText.Ok() && HasFlag(wxTEXT_ATTR_TEXT_COLOUR) ; }
+    bool HasBackgroundColour() const { return m_colBack.Ok() && HasFlag(wxTEXT_ATTR_BACKGROUND_COLOUR) ; }
+    bool HasFont() const { return m_font.Ok() && HasFlag(wxTEXT_ATTR_FONT) ; }
+    bool HasAlignment() const { return (m_textAlignment != wxTEXT_ALIGNMENT_DEFAULT) || ((m_flags & wxTEXT_ATTR_ALIGNMENT) != 0) ; }
+    bool HasTabs() const { return (m_flags & wxTEXT_ATTR_TABS) != 0 ; }
+    bool HasLeftIndent() const { return (m_flags & wxTEXT_ATTR_LEFT_INDENT) != 0 ; }
+    bool HasRightIndent() const { return (m_flags & wxTEXT_ATTR_RIGHT_INDENT) != 0 ; }
+    bool HasFlag(long flag) const { return (m_flags & flag) != 0; }

 
 

-    // setters

     const wxColour& GetTextColour() const { return m_colText; }
     const wxColour& GetBackgroundColour() const { return m_colBack; }
     const wxFont& GetFont() const { return m_font; }
     const wxColour& GetTextColour() const { return m_colText; }
     const wxColour& GetBackgroundColour() const { return m_colBack; }
     const wxFont& GetFont() const { return m_font; }

+    wxTextAttrAlignment GetAlignment() const { return m_textAlignment; }
+    const wxArrayInt& GetTabs() const { return m_tabs; }
+    long GetLeftIndent() const { return m_leftIndent; }
+    long GetRightIndent() const { return m_rightIndent; }
+    long GetFlags() const { return m_flags; }

 
     // returns false if we have any attributes set, true otherwise
     bool IsDefault() const
     {
 
     // returns false if we have any attributes set, true otherwise
     bool IsDefault() const
     {

-        return !HasTextColour() && !HasBackgroundColour() && !HasFont();
+        return !HasTextColour() && !HasBackgroundColour() && !HasFont() && !HasAlignment() &&
+               !HasTabs() && !HasLeftIndent() && !HasRightIndent() ;

     }
 
     }
 

+    // return the attribute having the valid font and colours: it uses the
+    // attributes set in attr and falls back first to attrDefault and then to
+    // the text control font/colours for those attributes which are not set
+    static wxTextAttr Combine(const wxTextAttr& attr,
+                              const wxTextAttr& attrDef,
+                              const wxTextCtrlBase *text);
+

 private:
 private:

-    wxColour m_colText,
-             m_colBack;
-    wxFont   m_font;
+    long                m_flags;
+    wxColour            m_colText,
+                        m_colBack;
+    wxFont              m_font;
+    wxTextAttrAlignment m_textAlignment;
+    wxArrayInt          m_tabs; // array of int: tab stops in 1/10 mm
+    int                 m_leftIndent; // left indent in 1/10 mm
+    int                 m_rightIndent; // right indent in 1/10 mm

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -104,7 +215,7 @@ private:
 
 class WXDLLEXPORT wxTextCtrlBase : public wxControl
 #ifndef NO_TEXT_WINDOW_STREAM
 
 class WXDLLEXPORT wxTextCtrlBase : public wxControl
 #ifndef NO_TEXT_WINDOW_STREAM

-                                 , public streambuf
+                                 , public wxSTD streambuf

 #endif
 
 {
 #endif
 
 {


@@ -121,6 +232,8 @@ public:
     virtual wxString GetValue() const = 0;
     virtual void SetValue(const wxString& value) = 0;
 
     virtual wxString GetValue() const = 0;
     virtual void SetValue(const wxString& value) = 0;
 

+    virtual wxString GetRange(long from, long to) const;
+

     virtual int GetLineLength(long lineNo) const = 0;
     virtual wxString GetLineText(long lineNo) const = 0;
     virtual int GetNumberOfLines() const = 0;
     virtual int GetLineLength(long lineNo) const = 0;
     virtual wxString GetLineText(long lineNo) const = 0;
     virtual int GetNumberOfLines() const = 0;


@@ -128,9 +241,15 @@ public:
     virtual bool IsModified() const = 0;
     virtual bool IsEditable() const = 0;
 
     virtual bool IsModified() const = 0;
     virtual bool IsEditable() const = 0;
 

+    // more readable flag testing methods
+    bool IsSingleLine() const { return !(GetWindowStyle() & wxTE_MULTILINE); }
+    bool IsMultiLine() const { return !IsSingleLine(); }
+

     // If the return values from and to are the same, there is no selection.
     virtual void GetSelection(long* from, long* to) 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;
 

+    virtual wxString GetStringSelection() const;
+

     // operations
     // ----------
 
     // operations
     // ----------
 


@@ -143,18 +262,28 @@ public:
     virtual bool LoadFile(const wxString& file);
     virtual bool SaveFile(const wxString& file = wxEmptyString);
 
     virtual bool LoadFile(const wxString& file);
     virtual bool SaveFile(const wxString& file = wxEmptyString);
 

-    // clears the dirty flag
+    // sets/clears the dirty flag
+    virtual void MarkDirty() = 0;

     virtual void DiscardEdits() = 0;
 
     virtual void DiscardEdits() = 0;
 

+    // set the max number of characters which may be entered in a single line
+    // text control
+    virtual void SetMaxLength(unsigned long WXUNUSED(len)) { }
+

     // 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;
 
     // 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;
 

+    // insert the character which would have resulted from this key event,
+    // return TRUE if anything has been inserted
+    virtual bool EmulateKeyPress(const wxKeyEvent& event);
+

     // text control under some platforms supports the text styles: these
     // methods allow to apply the given text style to the given selection or to
     // set/get the style which will be used for all appended text
     virtual bool SetStyle(long start, long end, const wxTextAttr& style);
     // text control under some platforms supports the text styles: these
     // methods allow to apply the given text style to the given selection or to
     // set/get the style which will be used for all appended text
     virtual bool SetStyle(long start, long end, const wxTextAttr& style);

+    virtual bool GetStyle(long position, wxTextAttr& style);

     virtual bool SetDefaultStyle(const wxTextAttr& style);
     virtual const wxTextAttr& GetDefaultStyle() const;
 
     virtual bool SetDefaultStyle(const wxTextAttr& style);
     virtual const wxTextAttr& GetDefaultStyle() const;
 


@@ -171,9 +300,9 @@ public:
     virtual void Cut() = 0;
     virtual void Paste() = 0;
 
     virtual void Cut() = 0;
     virtual void Paste() = 0;
 

-    virtual bool CanCopy() const = 0;
-    virtual bool CanCut() const = 0;
-    virtual bool CanPaste() const = 0;
+    virtual bool CanCopy() const;
+    virtual bool CanCut() const;
+    virtual bool CanPaste() const;

 
     // Undo/redo
     virtual void Undo() = 0;
 
     // Undo/redo
     virtual void Undo() = 0;


@@ -189,13 +318,12 @@ public:
     virtual long GetLastPosition() const = 0;
 
     virtual void SetSelection(long from, long to) = 0;
     virtual long GetLastPosition() const = 0;
 
     virtual void SetSelection(long from, long to) = 0;

+    virtual void SelectAll();

     virtual void SetEditable(bool editable) = 0;
 
     virtual void SetEditable(bool editable) = 0;
 

-    // streambuf methods
+    // override streambuf method

 #ifndef NO_TEXT_WINDOW_STREAM
     int overflow(int i);
 #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
 #endif // NO_TEXT_WINDOW_STREAM
 
     // stream-like insertion operators: these are always available, whether we


@@ -207,10 +335,10 @@ public:
     wxTextCtrl& operator<<(double d);
     wxTextCtrl& operator<<(const wxChar c);
 
     wxTextCtrl& operator<<(double d);
     wxTextCtrl& operator<<(const wxChar c);
 

-    // obsolete functions
-#if WXWIN_COMPATIBILITY
-    bool Modified() const { return IsModified(); }
-#endif
+    // do the window-specific processing after processing the update event
+    virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
+
+    virtual bool ShouldInheritColours() const { return false; }

 
 protected:
     // the name of the last file loaded with LoadFile() which will be used by
 
 protected:
     // the name of the last file loaded with LoadFile() which will be used by


@@ -220,33 +348,132 @@ protected:
     // the text style which will be used for any new text added to the control
     wxTextAttr m_defaultStyle;
 
     // the text style which will be used for any new text added to the control
     wxTextAttr m_defaultStyle;
 

-private:
-#ifndef NO_TEXT_WINDOW_STREAM
-#if !wxUSE_IOSTREAMH
-  char *m_streambuf;
-#endif
-#endif
+    DECLARE_NO_COPY_CLASS(wxTextCtrlBase)

 };
 
 // ----------------------------------------------------------------------------
 // include the platform-dependent class definition
 // ----------------------------------------------------------------------------
 
 };
 
 // ----------------------------------------------------------------------------
 // include the platform-dependent class definition
 // ----------------------------------------------------------------------------
 

-#if defined(__WXMSW__)
+#if defined(__WXX11__)
+    #include "wx/x11/textctrl.h"
+#elif defined(__WXUNIVERSAL__)
+    #include "wx/univ/textctrl.h"
+#elif defined(__WXMSW__)

     #include "wx/msw/textctrl.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/textctrl.h"
 #elif defined(__WXGTK__)
     #include "wx/gtk/textctrl.h"
     #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(__WXMAC__)
     #include "wx/mac/textctrl.h"

+#elif defined(__WXCOCOA__)
+    #include "wx/cocoa/textctrl.h"

 #elif defined(__WXPM__)
     #include "wx/os2/textctrl.h"
 #elif defined(__WXPM__)
     #include "wx/os2/textctrl.h"

-#elif defined(__WXSTUBS__)
-    #include "wx/stubs/textctrl.h"

 #endif
 
 #endif
 

+// ----------------------------------------------------------------------------
+// wxTextCtrl events
+// ----------------------------------------------------------------------------
+
+#if !WXWIN_COMPATIBILITY_EVENT_TYPES
+
+BEGIN_DECLARE_EVENT_TYPES()
+    DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED, 7)
+    DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER, 8)
+    DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_URL, 13)
+    DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_MAXLEN, 14)
+END_DECLARE_EVENT_TYPES()
+
+#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
+
+class WXDLLEXPORT wxTextUrlEvent : public wxCommandEvent
+{
+public:
+    wxTextUrlEvent(int winid, const wxMouseEvent& evtMouse,
+                   long start, long end)
+        : wxCommandEvent(wxEVT_COMMAND_TEXT_URL, winid)
+        , m_evtMouse(evtMouse), m_start(start), m_end(end)
+        { }
+
+    // get the mouse event which happend over the URL
+    const wxMouseEvent& GetMouseEvent() const { return m_evtMouse; }
+
+    // get the start of the URL
+    long GetURLStart() const { return m_start; }
+
+    // get the end of the URL
+    long GetURLEnd() const { return m_end; }
+
+protected:
+    // the corresponding mouse event
+    wxMouseEvent m_evtMouse;
+
+    // the start and end indices of the URL in the text control
+    long m_start,
+         m_end;
+
+private:
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxTextUrlEvent)
+
+public:
+    // for wxWin RTTI only, don't use
+    wxTextUrlEvent() : m_evtMouse(), m_start(0), m_end(0) { }
+};
+
+typedef void (wxEvtHandler::*wxTextUrlEventFunction)(wxTextUrlEvent&);
+
+#define EVT_TEXT(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TEXT_UPDATED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction) & fn, (wxObject *) NULL ),
+#define EVT_TEXT_ENTER(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TEXT_ENTER, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction) & fn, (wxObject *) NULL ),
+#define EVT_TEXT_URL(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TEXT_URL, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction) (wxTextUrlEventFunction) & fn, (wxObject *) NULL ),
+#define EVT_TEXT_MAXLEN(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TEXT_MAXLEN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction) & fn, (wxObject *) NULL ),
+
+#ifndef NO_TEXT_WINDOW_STREAM
+
+// ----------------------------------------------------------------------------
+// wxStreamToTextRedirector: this class redirects all data sent to the given
+// C++ stream to the wxTextCtrl given to its ctor during its lifetime.
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxStreamToTextRedirector
+{
+private:
+    void Init(wxTextCtrl *text)
+    {
+        m_sbufOld = m_ostr.rdbuf();
+        m_ostr.rdbuf(text);
+    }
+
+public:
+    wxStreamToTextRedirector(wxTextCtrl *text)
+        : m_ostr(wxSTD cout)
+    {
+        Init(text);
+    }
+
+    wxStreamToTextRedirector(wxTextCtrl *text, wxSTD ostream *ostr)
+        : m_ostr(*ostr)
+    {
+        Init(text);
+    }
+
+    ~wxStreamToTextRedirector()
+    {
+        m_ostr.rdbuf(m_sbufOld);
+    }
+
+private:
+    // the stream we're redirecting
+    wxSTD ostream&   m_ostr;
+
+    // the old streambuf (before we changed it)
+    wxSTD streambuf *m_sbufOld;
+};
+
+#endif // !NO_TEXT_WINDOW_STREAM
+
+#endif // wxUSE_TEXTCTRL
+

 #endif
     // _WX_TEXTCTRL_H_BASE_
 #endif
     // _WX_TEXTCTRL_H_BASE_