include/wx/textctrl.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/textctrl.h
   3 // Purpose:     wxTextCtrlBase class - the interface of wxTextCtrl
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     13.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_TEXTCTRL_H_BASE_
  13 #define _WX_TEXTCTRL_H_BASE_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_TEXTCTRL
  22
  23 #include "wx/control.h"         // the base class
  24 #include "wx/textentry.h"       // single-line text entry interface
  25 #include "wx/dynarray.h"        // wxArrayInt
  26 #include "wx/gdicmn.h"          // wxPoint
  27
  28 // Open Watcom 1.3 does allow only ios::rdbuf() while
  29 // we want something with streambuf parameter
  30 // Also, can't use streambuf if making or using a DLL :-(
  31
  32 #if defined(__WATCOMC__) || \
  33     defined(__MWERKS__) || \
  34     (defined(__WINDOWS__) && (defined(WXUSINGDLL) || defined(WXMAKINGDLL)))
  35     #define wxHAS_TEXT_WINDOW_STREAM 0
  36 #elif wxUSE_STD_IOSTREAM
  37     #include "wx/ioswrap.h"
  38     #define wxHAS_TEXT_WINDOW_STREAM 1
  39 #else
  40     #define wxHAS_TEXT_WINDOW_STREAM 0
  41 #endif
  42
  43 class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
  44 class WXDLLIMPEXP_FWD_CORE wxTextCtrlBase;
  45
  46 // ----------------------------------------------------------------------------
  47 // wxTextCtrl types
  48 // ----------------------------------------------------------------------------
  49
  50 // wxTextCoord is the line or row number (which should have been unsigned but
  51 // is long for backwards compatibility)
  52 typedef long wxTextCoord;
  53
  54 // ----------------------------------------------------------------------------
  55 // constants
  56 // ----------------------------------------------------------------------------
  57
  58 extern WXDLLEXPORT_DATA(const wxChar) wxTextCtrlNameStr[];
  59
  60 // this is intentionally not enum to avoid warning fixes with
  61 // typecasting from enum type to wxTextCoord
  62 const wxTextCoord wxOutOfRangeTextCoord = -1;
  63 const wxTextCoord wxInvalidTextCoord    = -2;
  64
  65 // ----------------------------------------------------------------------------
  66 // wxTextCtrl style flags
  67 // ----------------------------------------------------------------------------
  68
  69 #define wxTE_NO_VSCROLL     0x0002
  70 #define wxTE_AUTO_SCROLL    0x0008
  71
  72 #define wxTE_READONLY       0x0010
  73 #define wxTE_MULTILINE      0x0020
  74 #define wxTE_PROCESS_TAB    0x0040
  75
  76 // alignment flags
  77 #define wxTE_LEFT           0x0000                    // 0x0000
  78 #define wxTE_CENTER         wxALIGN_CENTER_HORIZONTAL // 0x0100
  79 #define wxTE_RIGHT          wxALIGN_RIGHT             // 0x0200
  80 #define wxTE_CENTRE         wxTE_CENTER
  81
  82 // this style means to use RICHEDIT control and does something only under wxMSW
  83 // and Win32 and is silently ignored under all other platforms
  84 #define wxTE_RICH           0x0080
  85
  86 #define wxTE_PROCESS_ENTER  0x0400
  87 #define wxTE_PASSWORD       0x0800
  88
  89 // automatically detect the URLs and generate the events when mouse is
  90 // moved/clicked over an URL
  91 //
  92 // this is for Win32 richedit and wxGTK2 multiline controls only so far
  93 #define wxTE_AUTO_URL       0x1000
  94
  95 // by default, the Windows text control doesn't show the selection when it
  96 // doesn't have focus - use this style to force it to always show it
  97 #define wxTE_NOHIDESEL      0x2000
  98
  99 // use wxHSCROLL to not wrap text at all, wxTE_CHARWRAP to wrap it at any
 100 // position and wxTE_WORDWRAP to wrap at words boundary
 101 //
 102 // if no wrapping style is given at all, the control wraps at word boundary
 103 #define wxTE_DONTWRAP       wxHSCROLL
 104 #define wxTE_CHARWRAP       0x4000  // wrap at any position
 105 #define wxTE_WORDWRAP       0x0001  // wrap only at words boundaries
 106 #define wxTE_BESTWRAP       0x0000  // this is the default
 107
 108 #if WXWIN_COMPATIBILITY_2_6
 109     // obsolete synonym
 110     #define wxTE_LINEWRAP       wxTE_CHARWRAP
 111 #endif // WXWIN_COMPATIBILITY_2_6
 112
 113 // force using RichEdit version 2.0 or 3.0 instead of 1.0 (default) for
 114 // wxTE_RICH controls - can be used together with or instead of wxTE_RICH
 115 #define wxTE_RICH2          0x8000
 116
 117 // reuse wxTE_RICH2's value for CAPEDIT control on Windows CE
 118 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 119 #define wxTE_CAPITALIZE     wxTE_RICH2
 120 #else
 121 #define wxTE_CAPITALIZE     0
 122 #endif
 123
 124 // ----------------------------------------------------------------------------
 125 // wxTextCtrl file types
 126 // ----------------------------------------------------------------------------
 127
 128 #define wxTEXT_TYPE_ANY     0
 129
 130 // ----------------------------------------------------------------------------
 131 // wxTextCtrl::HitTest return values
 132 // ----------------------------------------------------------------------------
 133
 134 // the point asked is ...
 135 enum wxTextCtrlHitTestResult
 136 {
 137     wxTE_HT_UNKNOWN = -2,   // this means HitTest() is simply not implemented
 138     wxTE_HT_BEFORE,         // either to the left or upper
 139     wxTE_HT_ON_TEXT,        // directly on
 140     wxTE_HT_BELOW,          // below [the last line]
 141     wxTE_HT_BEYOND          // after [the end of line]
 142 };
 143 // ... the character returned
 144
 145 // ----------------------------------------------------------------------------
 146 // Types for wxTextAttr
 147 // ----------------------------------------------------------------------------
 148
 149 // Alignment
 150
 151 enum wxTextAttrAlignment
 152 {
 153     wxTEXT_ALIGNMENT_DEFAULT,
 154     wxTEXT_ALIGNMENT_LEFT,
 155     wxTEXT_ALIGNMENT_CENTRE,
 156     wxTEXT_ALIGNMENT_CENTER = wxTEXT_ALIGNMENT_CENTRE,
 157     wxTEXT_ALIGNMENT_RIGHT,
 158     wxTEXT_ALIGNMENT_JUSTIFIED
 159 };
 160
 161 // Flags to indicate which attributes are being applied
 162
 163 #define wxTEXT_ATTR_TEXT_COLOUR             0x0001
 164 #define wxTEXT_ATTR_BACKGROUND_COLOUR       0x0002
 165 #define wxTEXT_ATTR_FONT_FACE               0x0004
 166 #define wxTEXT_ATTR_FONT_SIZE               0x0008
 167 #define wxTEXT_ATTR_FONT_WEIGHT             0x0010
 168 #define wxTEXT_ATTR_FONT_ITALIC             0x0020
 169 #define wxTEXT_ATTR_FONT_UNDERLINE          0x0040
 170 #define wxTEXT_ATTR_FONT \
 171   ( wxTEXT_ATTR_FONT_FACE | wxTEXT_ATTR_FONT_SIZE | wxTEXT_ATTR_FONT_WEIGHT | \
 172     wxTEXT_ATTR_FONT_ITALIC | wxTEXT_ATTR_FONT_UNDERLINE )
 173 #define wxTEXT_ATTR_ALIGNMENT               0x0080
 174 #define wxTEXT_ATTR_LEFT_INDENT             0x0100
 175 #define wxTEXT_ATTR_RIGHT_INDENT            0x0200
 176 #define wxTEXT_ATTR_TABS                    0x0400
 177
 178 // ----------------------------------------------------------------------------
 179 // wxTextAttr: a structure containing the visual attributes of a text
 180 // ----------------------------------------------------------------------------
 181
 182 class WXDLLEXPORT wxTextAttr
 183 {
 184 public:
 185     // ctors
 186     wxTextAttr() { Init(); }
 187     wxTextAttr(const wxColour& colText,
 188                const wxColour& colBack = wxNullColour,
 189                const wxFont& font = wxNullFont,
 190                wxTextAttrAlignment alignment = wxTEXT_ALIGNMENT_DEFAULT);
 191
 192     // operations
 193     void Init();
 194
 195     // merges the attributes of the base and the overlay objects and returns
 196     // the result; the parameter attributes take precedence
 197     //
 198     // WARNING: the order of arguments is the opposite of Combine()
 199     static wxTextAttr Merge(const wxTextAttr& base, const wxTextAttr& overlay)
 200     {
 201         return Combine(overlay, base, NULL);
 202     }
 203
 204     // merges the attributes of this object and overlay
 205     void Merge(const wxTextAttr& overlay)
 206     {
 207         *this = Merge(*this, overlay);
 208     }
 209
 210
 211     // operators
 212     void operator= (const wxTextAttr& attr);
 213
 214     // setters
 215     void SetTextColour(const wxColour& colText) { m_colText = colText; m_flags |= wxTEXT_ATTR_TEXT_COLOUR; }
 216     void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; m_flags |= wxTEXT_ATTR_BACKGROUND_COLOUR; }
 217     void SetFont(const wxFont& font, long flags = wxTEXT_ATTR_FONT) { m_font = font; m_flags |= flags; }
 218     void SetAlignment(wxTextAttrAlignment alignment) { m_textAlignment = alignment; m_flags |= wxTEXT_ATTR_ALIGNMENT; }
 219     void SetTabs(const wxArrayInt& tabs) { m_tabs = tabs; m_flags |= wxTEXT_ATTR_TABS; }
 220     void SetLeftIndent(int indent, int subIndent = 0) { m_leftIndent = indent; m_leftSubIndent = subIndent; m_flags |= wxTEXT_ATTR_LEFT_INDENT; }
 221     void SetRightIndent(int indent) { m_rightIndent = indent; m_flags |= wxTEXT_ATTR_RIGHT_INDENT; }
 222     void SetFlags(long flags) { m_flags = flags; }
 223
 224     // accessors
 225     bool HasTextColour() const { return m_colText.Ok() && HasFlag(wxTEXT_ATTR_TEXT_COLOUR) ; }
 226     bool HasBackgroundColour() const { return m_colBack.Ok() && HasFlag(wxTEXT_ATTR_BACKGROUND_COLOUR) ; }
 227     bool HasFont() const { return m_font.Ok() && HasFlag(wxTEXT_ATTR_FONT) ; }
 228     bool HasAlignment() const { return (m_textAlignment != wxTEXT_ALIGNMENT_DEFAULT) || ((m_flags & wxTEXT_ATTR_ALIGNMENT) != 0) ; }
 229     bool HasTabs() const { return (m_flags & wxTEXT_ATTR_TABS) != 0 ; }
 230     bool HasLeftIndent() const { return (m_flags & wxTEXT_ATTR_LEFT_INDENT) != 0 ; }
 231     bool HasRightIndent() const { return (m_flags & wxTEXT_ATTR_RIGHT_INDENT) != 0 ; }
 232     bool HasFlag(long flag) const { return (m_flags & flag) != 0; }
 233
 234     const wxColour& GetTextColour() const { return m_colText; }
 235     const wxColour& GetBackgroundColour() const { return m_colBack; }
 236     const wxFont& GetFont() const { return m_font; }
 237     wxTextAttrAlignment GetAlignment() const { return m_textAlignment; }
 238     const wxArrayInt& GetTabs() const { return m_tabs; }
 239     long GetLeftIndent() const { return m_leftIndent; }
 240     long GetLeftSubIndent() const { return m_leftSubIndent; }
 241     long GetRightIndent() const { return m_rightIndent; }
 242     long GetFlags() const { return m_flags; }
 243
 244     // returns false if we have any attributes set, true otherwise
 245     bool IsDefault() const
 246     {
 247         return !HasTextColour() && !HasBackgroundColour() && !HasFont() && !HasAlignment() &&
 248                !HasTabs() && !HasLeftIndent() && !HasRightIndent() ;
 249     }
 250
 251     // return the attribute having the valid font and colours: it uses the
 252     // attributes set in attr and falls back first to attrDefault and then to
 253     // the text control font/colours for those attributes which are not set
 254     static wxTextAttr Combine(const wxTextAttr& attr,
 255                               const wxTextAttr& attrDef,
 256                               const wxTextCtrlBase *text);
 257
 258 private:
 259     long                m_flags;
 260     wxColour            m_colText,
 261                         m_colBack;
 262     wxFont              m_font;
 263     wxTextAttrAlignment m_textAlignment;
 264     wxArrayInt          m_tabs; // array of int: tab stops in 1/10 mm
 265     int                 m_leftIndent; // left indent in 1/10 mm
 266     int                 m_leftSubIndent; // left indent for all but the first
 267                                          // line in a paragraph relative to the
 268                                          // first line, in 1/10 mm
 269     int                 m_rightIndent; // right indent in 1/10 mm
 270 };
 271
 272 // ----------------------------------------------------------------------------
 273 // wxTextAreaBase: multiline text control specific methods
 274 // ----------------------------------------------------------------------------
 275
 276 class WXDLLIMPEXP_CORE wxTextAreaBase
 277 {
 278 public:
 279     wxTextAreaBase() { }
 280     virtual ~wxTextAreaBase() { }
 281
 282     // lines access
 283     // ------------
 284
 285     virtual int GetLineLength(long lineNo) const = 0;
 286     virtual wxString GetLineText(long lineNo) const = 0;
 287     virtual int GetNumberOfLines() const = 0;
 288
 289
 290     // file IO
 291     // -------
 292
 293     bool LoadFile(const wxString& file, int fileType = wxTEXT_TYPE_ANY)
 294         { return DoLoadFile(file, fileType); }
 295     bool SaveFile(const wxString& file = wxEmptyString,
 296                   int fileType = wxTEXT_TYPE_ANY);
 297
 298     // dirty flag handling
 299     // -------------------
 300
 301     virtual bool IsModified() const = 0;
 302     virtual void MarkDirty() = 0;
 303     virtual void DiscardEdits() = 0;
 304     void SetModified(bool modified)
 305     {
 306         if ( modified )
 307             MarkDirty();
 308         else
 309             DiscardEdits();
 310     }
 311
 312
 313     // styles handling
 314     // ---------------
 315
 316     // text control under some platforms supports the text styles: these
 317     // methods allow to apply the given text style to the given selection or to
 318     // set/get the style which will be used for all appended text
 319     virtual bool SetStyle(long start, long end, const wxTextAttr& style) = 0;
 320     virtual bool GetStyle(long position, wxTextAttr& style) = 0;
 321     virtual bool SetDefaultStyle(const wxTextAttr& style) = 0;
 322     virtual const wxTextAttr& GetDefaultStyle() const { return m_defaultStyle; }
 323
 324
 325     // coordinates translation
 326     // -----------------------
 327
 328     // translate between the position (which is just an index in the text ctrl
 329     // considering all its contents as a single strings) and (x, y) coordinates
 330     // which represent column and line.
 331     virtual long XYToPosition(long x, long y) const = 0;
 332     virtual bool PositionToXY(long pos, long *x, long *y) const = 0;
 333
 334     virtual void ShowPosition(long pos) = 0;
 335
 336     // find the character at position given in pixels
 337     //
 338     // NB: pt is in device coords (not adjusted for the client area origin nor
 339     //     scrolling)
 340     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;
 341     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
 342                                             wxTextCoord *col,
 343                                             wxTextCoord *row) const;
 344
 345 protected:
 346     // implementation of loading/saving
 347     virtual bool DoLoadFile(const wxString& file, int fileType) = 0;
 348     virtual bool DoSaveFile(const wxString& file, int fileType) = 0;
 349
 350
 351     // the name of the last file loaded with LoadFile() which will be used by
 352     // SaveFile() by default
 353     wxString m_filename;
 354
 355     // the text style which will be used for any new text added to the control
 356     wxTextAttr m_defaultStyle;
 357
 358
 359     DECLARE_NO_COPY_CLASS(wxTextAreaBase)
 360 };
 361
 362 // this class defines wxTextCtrl interface, wxTextCtrlBase actually implements
 363 // too much things because it derives from wxTextEntry and not wxTextEntryBase
 364 // and so any classes which "look like" wxTextCtrl (such as wxRichTextCtrl)
 365 // but don't need the (native) implementation bits from wxTextEntry should
 366 // actually derive from this one and not wxTextCtrlBase
 367 class WXDLLIMPEXP_CORE wxTextCtrlIface : public wxTextAreaBase,
 368                                          public wxTextEntryBase
 369 {
 370 public:
 371     wxTextCtrlIface() { }
 372
 373 private:
 374     DECLARE_NO_COPY_CLASS(wxTextCtrlIface)
 375 };
 376
 377 // ----------------------------------------------------------------------------
 378 // wxTextCtrl: a single or multiple line text zone where user can edit text
 379 // ----------------------------------------------------------------------------
 380
 381 class WXDLLEXPORT wxTextCtrlBase : public wxControl,
 382 #if wxHAS_TEXT_WINDOW_STREAM
 383                                    public wxSTD streambuf,
 384 #endif
 385                                    public wxTextAreaBase,
 386                                    public wxTextEntry
 387 {
 388 public:
 389     // creation
 390     // --------
 391
 392     wxTextCtrlBase() { }
 393     virtual ~wxTextCtrlBase() { }
 394
 395
 396     // more readable flag testing methods
 397     bool IsSingleLine() const { return !HasFlag(wxTE_MULTILINE); }
 398     bool IsMultiLine() const { return !IsSingleLine(); }
 399
 400     // stream-like insertion operators: these are always available, whether we
 401     // were, or not, compiled with streambuf support
 402     wxTextCtrl& operator<<(const wxString& s);
 403     wxTextCtrl& operator<<(int i);
 404     wxTextCtrl& operator<<(long i);
 405     wxTextCtrl& operator<<(float f);
 406     wxTextCtrl& operator<<(double d);
 407     wxTextCtrl& operator<<(const wxChar c);
 408
 409     // insert the character which would have resulted from this key event,
 410     // return true if anything has been inserted
 411     virtual bool EmulateKeyPress(const wxKeyEvent& event);
 412
 413
 414     // generate the wxEVT_COMMAND_TEXT_UPDATED event, like SetValue() does and
 415     // return true if the event was processed
 416     static bool SendTextUpdatedEvent(wxWindow *win);
 417     bool SendTextUpdatedEvent() { return SendTextUpdatedEvent(this); }
 418
 419     // do the window-specific processing after processing the update event
 420     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
 421
 422     virtual bool ShouldInheritColours() const { return false; }
 423
 424     // work around the problem with having HitTest() both in wxControl and
 425     // wxTextAreaBase base classes
 426     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const
 427     {
 428         return wxTextAreaBase::HitTest(pt, pos);
 429     }
 430
 431     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
 432                                             wxTextCoord *col,
 433                                             wxTextCoord *row) const
 434     {
 435         return wxTextAreaBase::HitTest(pt, col, row);
 436     }
 437
 438     // we provide stubs for these functions as not all platforms have styles
 439     // support, but we really should leave them pure virtual here
 440     virtual bool SetStyle(long start, long end, const wxTextAttr& style);
 441     virtual bool GetStyle(long position, wxTextAttr& style);
 442     virtual bool SetDefaultStyle(const wxTextAttr& style);
 443
 444 protected:
 445     // override streambuf method
 446 #if wxHAS_TEXT_WINDOW_STREAM
 447     int overflow(int i);
 448 #endif // wxHAS_TEXT_WINDOW_STREAM
 449
 450     virtual bool DoLoadFile(const wxString& file, int fileType);
 451     virtual bool DoSaveFile(const wxString& file, int fileType);
 452
 453
 454     DECLARE_NO_COPY_CLASS(wxTextCtrlBase)
 455     DECLARE_ABSTRACT_CLASS(wxTextCtrlBase)
 456 };
 457
 458 // ----------------------------------------------------------------------------
 459 // include the platform-dependent class definition
 460 // ----------------------------------------------------------------------------
 461
 462 #if defined(__WXX11__)
 463     #include "wx/x11/textctrl.h"
 464 #elif defined(__WXUNIVERSAL__)
 465     #include "wx/univ/textctrl.h"
 466 #elif defined(__SMARTPHONE__) && defined(__WXWINCE__)
 467     #include "wx/msw/wince/textctrlce.h"
 468 #elif defined(__WXMSW__)
 469     #include "wx/msw/textctrl.h"
 470 #elif defined(__WXMOTIF__)
 471     #include "wx/motif/textctrl.h"
 472 #elif defined(__WXGTK20__)
 473     #include "wx/gtk/textctrl.h"
 474 #elif defined(__WXGTK__)
 475     #include "wx/gtk1/textctrl.h"
 476 #elif defined(__WXMAC__)
 477     #include "wx/mac/textctrl.h"
 478 #elif defined(__WXCOCOA__)
 479     #include "wx/cocoa/textctrl.h"
 480 #elif defined(__WXPM__)
 481     #include "wx/os2/textctrl.h"
 482 #endif
 483
 484 // ----------------------------------------------------------------------------
 485 // wxTextCtrl events
 486 // ----------------------------------------------------------------------------
 487
 488 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
 489
 490 BEGIN_DECLARE_EVENT_TYPES()
 491     DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED, 7)
 492     DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER, 8)
 493     DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_URL, 13)
 494     DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_MAXLEN, 14)
 495 END_DECLARE_EVENT_TYPES()
 496
 497 #endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
 498
 499 class WXDLLEXPORT wxTextUrlEvent : public wxCommandEvent
 500 {
 501 public:
 502     wxTextUrlEvent(int winid, const wxMouseEvent& evtMouse,
 503                    long start, long end)
 504         : wxCommandEvent(wxEVT_COMMAND_TEXT_URL, winid)
 505         , m_evtMouse(evtMouse), m_start(start), m_end(end)
 506         { }
 507
 508     // get the mouse event which happend over the URL
 509     const wxMouseEvent& GetMouseEvent() const { return m_evtMouse; }
 510
 511     // get the start of the URL
 512     long GetURLStart() const { return m_start; }
 513
 514     // get the end of the URL
 515     long GetURLEnd() const { return m_end; }
 516
 517 protected:
 518     // the corresponding mouse event
 519     wxMouseEvent m_evtMouse;
 520
 521     // the start and end indices of the URL in the text control
 522     long m_start,
 523          m_end;
 524
 525 private:
 526     DECLARE_DYNAMIC_CLASS_NO_COPY(wxTextUrlEvent)
 527
 528 public:
 529     // for wxWin RTTI only, don't use
 530     wxTextUrlEvent() : m_evtMouse(), m_start(0), m_end(0) { }
 531 };
 532
 533 typedef void (wxEvtHandler::*wxTextUrlEventFunction)(wxTextUrlEvent&);
 534
 535 #define wxTextEventHandler(func) wxCommandEventHandler(func)
 536 #define wxTextUrlEventHandler(func) \
 537     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxTextUrlEventFunction, &func)
 538
 539 #define wx__DECLARE_TEXTEVT(evt, id, fn) \
 540     wx__DECLARE_EVT1(wxEVT_COMMAND_TEXT_ ## evt, id, wxTextEventHandler(fn))
 541
 542 #define wx__DECLARE_TEXTURLEVT(evt, id, fn) \
 543     wx__DECLARE_EVT1(wxEVT_COMMAND_TEXT_ ## evt, id, wxTextUrlEventHandler(fn))
 544
 545 #define EVT_TEXT(id, fn) wx__DECLARE_TEXTEVT(UPDATED, id, fn)
 546 #define EVT_TEXT_ENTER(id, fn) wx__DECLARE_TEXTEVT(ENTER, id, fn)
 547 #define EVT_TEXT_URL(id, fn) wx__DECLARE_TEXTURLEVT(URL, id, fn)
 548 #define EVT_TEXT_MAXLEN(id, fn) wx__DECLARE_TEXTEVT(MAXLEN, id, fn)
 549
 550 #if wxHAS_TEXT_WINDOW_STREAM
 551
 552 // ----------------------------------------------------------------------------
 553 // wxStreamToTextRedirector: this class redirects all data sent to the given
 554 // C++ stream to the wxTextCtrl given to its ctor during its lifetime.
 555 // ----------------------------------------------------------------------------
 556
 557 class WXDLLEXPORT wxStreamToTextRedirector
 558 {
 559 private:
 560     void Init(wxTextCtrl *text)
 561     {
 562         m_sbufOld = m_ostr.rdbuf();
 563         m_ostr.rdbuf(text);
 564     }
 565
 566 public:
 567     wxStreamToTextRedirector(wxTextCtrl *text)
 568         : m_ostr(wxSTD cout)
 569     {
 570         Init(text);
 571     }
 572
 573     wxStreamToTextRedirector(wxTextCtrl *text, wxSTD ostream *ostr)
 574         : m_ostr(*ostr)
 575     {
 576         Init(text);
 577     }
 578
 579     ~wxStreamToTextRedirector()
 580     {
 581         m_ostr.rdbuf(m_sbufOld);
 582     }
 583
 584 private:
 585     // the stream we're redirecting
 586     wxSTD ostream&   m_ostr;
 587
 588     // the old streambuf (before we changed it)
 589     wxSTD streambuf *m_sbufOld;
 590 };
 591
 592 #endif // wxHAS_TEXT_WINDOW_STREAM
 593
 594 #endif // wxUSE_TEXTCTRL
 595
 596 #endif
 597     // _WX_TEXTCTRL_H_BASE_