src/mac/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "textctrl.h"
  14 #endif
  15
  16 #include "wx/defs.h"
  17
  18 #if wxUSE_TEXTCTRL
  19
  20 #ifdef __DARWIN__
  21   #include <sys/types.h>
  22   #include <sys/stat.h>
  23 #else
  24   #include <stat.h>
  25 #endif
  26
  27 #include "wx/msgdlg.h"
  28
  29 #if wxUSE_STD_IOSTREAM
  30     #if wxUSE_IOSTREAMH
  31         #include <fstream.h>
  32     #else
  33         #include <fstream>
  34     #endif
  35 #endif
  36
  37 #include "wx/app.h"
  38 #include "wx/dc.h"
  39 #include "wx/button.h"
  40 #include "wx/toplevel.h"
  41 #include "wx/textctrl.h"
  42 #include "wx/notebook.h"
  43 #include "wx/tabctrl.h"
  44 #include "wx/settings.h"
  45 #include "wx/filefn.h"
  46 #include "wx/utils.h"
  47
  48 #if defined(__BORLANDC__) && !defined(__WIN32__)
  49   #include <alloc.h>
  50 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  51   #include <malloc.h>
  52 #endif
  53
  54 #ifndef __DARWIN__
  55 #include <Scrap.h>
  56 #endif
  57 #include <MacTextEditor.h>
  58 #include "ATSUnicode.h"
  59 #include "TextCommon.h"
  60 #include "TextEncodingConverter.h"
  61 #include "wx/mac/uma.h"
  62
  63 #define TE_UNLIMITED_LENGTH 0xFFFFFFFFUL
  64
  65 extern wxControl *wxFindControlFromMacControl(ControlHandle inControl ) ;
  66
  67 // CS:TODO we still have a problem getting properly at the text events of a control because under Carbon
  68 // the MLTE engine registers itself for the key events thus the normal flow never occurs, the only measure for the
  69 // moment is to avoid setting the true focus on the control, the proper solution at the end would be to have
  70 // an alternate path for carbon key events that routes automatically into the same wx flow of events
  71
  72 #include "MacTextEditor.h"
  73
  74 /* part codes */
  75
  76 /* kmUPTextPart is the part code we return to indicate the user has clicked
  77     in the text area of our control */
  78 #define kmUPTextPart 1
  79
  80 /* kmUPScrollPart is the part code we return to indicate the user has clicked
  81     in the scroll bar part of the control. */
  82 #define kmUPScrollPart 2
  83
  84
  85 /* routines for using existing user pane controls.
  86     These routines are useful for cases where you would like to use an
  87     existing user pane control in, say, a dialog window as a scrolling
  88     text edit field.*/
  89
  90 /* mUPOpenControl initializes a user pane control so it will be drawn
  91     and will behave as a scrolling text edit field inside of a window.
  92     This routine performs all of the initialization steps necessary,
  93     except it does not create the user pane control itself.  theControl
  94     should refer to a user pane control that you have either created
  95     yourself or extracted from a dialog's control heirarchy using
  96     the GetDialogItemAsControl routine.  */
  97 OSStatus mUPOpenControl(ControlHandle theControl, long wxStyle);
  98
  99 /* Utility Routines */
 100
 101 enum {
 102     kShiftKeyCode = 56
 103 };
 104
 105 /* kUserClickedToFocusPart is a part code we pass to the SetKeyboardFocus
 106     routine.  In our focus switching routine this part code is understood
 107     as meaning 'the user has clicked in the control and we need to switch
 108     the current focus to ourselves before we can continue'. */
 109 #define kUserClickedToFocusPart 100
 110
 111
 112 /* kmUPClickScrollDelayTicks is a time measurement in ticks used to
 113     slow the speed of 'auto scrolling' inside of our clickloop routine.
 114     This value prevents the text from wizzzzzing by while the mouse
 115     is being held down inside of the text area. */
 116 #define kmUPClickScrollDelayTicks 3
 117
 118
 119 /* STPTextPaneVars is a structure used for storing the the mUP Control's
 120     internal variables and state information.  A handle to this record is
 121     stored in the pane control's reference value field using the
 122     SetControlReference routine. */
 123
 124 typedef struct {
 125         /* OS records referenced */
 126     TXNObject fTXNRec; /* the txn record */
 127     TXNFrameID fTXNFrame; /* the txn frame ID */
 128     ControlHandle fUserPaneRec;  /* handle to the user pane control */
 129     WindowPtr fOwner; /* window containing control */
 130     GrafPtr fDrawingEnvironment; /* grafport where control is drawn */
 131         /* flags */
 132     Boolean fInFocus; /* true while the focus rect is drawn around the control */
 133     Boolean fIsActive; /* true while the control is drawn in the active state */
 134     Boolean fTEActive; /* reflects the activation state of the text edit record */
 135     Boolean fInDialogWindow; /* true if displayed in a dialog window */
 136         /* calculated locations */
 137     Rect fRTextArea; /* area where the text is drawn */
 138     Rect fRFocusOutline;  /* rectangle used to draw the focus box */
 139     Rect fRTextOutline; /* rectangle used to draw the border */
 140     RgnHandle fTextBackgroundRgn; /* background region for the text, erased before calling TEUpdate */
 141         /* our focus advance override routine */
 142     EventHandlerUPP handlerUPP;
 143     EventHandlerRef handlerRef;
 144     bool fMultiline ;
 145 } STPTextPaneVars;
 146
 147
 148
 149
 150 /* Univerals Procedure Pointer variables used by the
 151     mUP Control.  These variables are set up
 152     the first time that mUPOpenControl is called. */
 153 ControlUserPaneDrawUPP gTPDrawProc = NULL;
 154 ControlUserPaneHitTestUPP gTPHitProc = NULL;
 155 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
 156 ControlUserPaneIdleUPP gTPIdleProc = NULL;
 157 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
 158 ControlUserPaneActivateUPP gTPActivateProc = NULL;
 159 ControlUserPaneFocusUPP gTPFocusProc = NULL;
 160
 161 /* TPActivatePaneText activates or deactivates the text edit record
 162     according to the value of setActive.  The primary purpose of this
 163     routine is to ensure each call is only made once. */
 164 static void TPActivatePaneText(STPTextPaneVars **tpvars, Boolean setActive) {
 165     STPTextPaneVars *varsp;
 166     varsp = *tpvars;
 167     if (varsp->fTEActive != setActive) {
 168
 169         varsp->fTEActive = setActive;
 170
 171         TXNActivate(varsp->fTXNRec, varsp->fTXNFrame, varsp->fTEActive);
 172
 173         if (varsp->fInFocus)
 174             TXNFocus( varsp->fTXNRec, varsp->fTEActive);
 175     }
 176 }
 177
 178
 179 /* TPFocusPaneText set the focus state for the text record. */
 180 static void TPFocusPaneText(STPTextPaneVars **tpvars, Boolean setFocus) {
 181     STPTextPaneVars *varsp;
 182     varsp = *tpvars;
 183     if (varsp->fInFocus != setFocus) {
 184         varsp->fInFocus = setFocus;
 185         TXNFocus( varsp->fTXNRec, varsp->fInFocus);
 186     }
 187 }
 188
 189
 190 /* TPPaneDrawProc is called to redraw the control and for update events
 191     referring to the control.  This routine erases the text area's background,
 192     and redraws the text.  This routine assumes the scroll bar has been
 193     redrawn by a call to DrawControls. */
 194 static pascal void TPPaneDrawProc(ControlRef theControl, ControlPartCode thePart) {
 195     STPTextPaneVars **tpvars, *varsp;
 196     char state;
 197     Rect bounds;
 198         /* set up our globals */
 199
 200     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 201     if (tpvars != NULL) {
 202         state = HGetState((Handle) tpvars);
 203         HLock((Handle) tpvars);
 204         varsp = *tpvars;
 205
 206             /* save the drawing state */
 207         SetPort((**tpvars).fDrawingEnvironment);
 208            /* verify our boundary */
 209         GetControlBounds(theControl, &bounds);
 210
 211         wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 212         if ( ! EqualRect(&bounds, &varsp->fRFocusOutline) ) {
 213             // scrollbar is on the border, we add one
 214             Rect oldbounds = varsp->fRFocusOutline ;
 215             InsetRect( &oldbounds , -1 , -1 ) ;
 216
 217             if ( IsControlVisible( theControl ) )
 218                 InvalWindowRect( GetControlOwner( theControl ) , &oldbounds ) ;
 219             SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 220             SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 221             SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
 222                 bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
 223             RectRgn(varsp->fTextBackgroundRgn, &varsp->fRTextOutline);
 224             if ( IsControlVisible( theControl ) )
 225                 TXNSetFrameBounds(  varsp->fTXNRec, varsp->fRTextArea.top, varsp->fRTextArea.left,
 226                     varsp->fRTextArea.bottom, varsp->fRTextArea.right, varsp->fTXNFrame);
 227             else
 228                 TXNSetFrameBounds(  varsp->fTXNRec, varsp->fRTextArea.top + 30000 , varsp->fRTextArea.left + 30000 ,
 229                     varsp->fRTextArea.bottom + 30000 , varsp->fRTextArea.right + 30000 , varsp->fTXNFrame);
 230
 231         }
 232
 233         if ( IsControlVisible( theControl ) )
 234         {
 235             /* update the text region */
 236             RGBColor white = { 65535 , 65535 , 65535 } ;
 237             RGBBackColor( &white ) ;
 238             EraseRgn(varsp->fTextBackgroundRgn);
 239             TXNDraw(varsp->fTXNRec, NULL);
 240                 /* restore the drawing environment */
 241                 /* draw the text frame and focus frame (if necessary) */
 242             DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 243             if ((**tpvars).fIsActive && varsp->fInFocus)
 244                 DrawThemeFocusRect(&varsp->fRFocusOutline, true);
 245                 /* release our globals */
 246             HSetState((Handle) tpvars, state);
 247         }
 248     }
 249 }
 250
 251
 252 /* TPPaneHitTestProc is called when the control manager would
 253     like to determine what part of the control the mouse resides over.
 254     We also call this routine from our tracking proc to determine how
 255     to handle mouse clicks. */
 256 static pascal ControlPartCode TPPaneHitTestProc(ControlHandle theControl, Point where) {
 257     STPTextPaneVars **tpvars;
 258     ControlPartCode result;
 259     char state;
 260         /* set up our locals and lock down our globals*/
 261     result = 0;
 262     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 263     if (tpvars != NULL && IsControlVisible( theControl) ) {
 264         state = HGetState((Handle) tpvars);
 265         HLock((Handle) tpvars);
 266             /* find the region where we clicked */
 267         if (PtInRect(where, &(**tpvars).fRTextArea)) {
 268             result = kmUPTextPart;
 269         } else result = 0;
 270             /* release oure globals */
 271         HSetState((Handle) tpvars, state);
 272     }
 273     return result;
 274 }
 275
 276
 277
 278
 279
 280 /* TPPaneTrackingProc is called when the mouse is being held down
 281     over our control.  This routine handles clicks in the text area
 282     and in the scroll bar. */
 283 static pascal ControlPartCode TPPaneTrackingProc(ControlHandle theControl, Point startPt, ControlActionUPP actionProc) {
 284     STPTextPaneVars **tpvars, *varsp;
 285     char state;
 286     ControlPartCode partCodeResult;
 287         /* make sure we have some variables... */
 288     partCodeResult = 0;
 289     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 290     if (tpvars != NULL && IsControlVisible( theControl ) ) {
 291             /* lock 'em down */
 292         state = HGetState((Handle) tpvars);
 293         HLock((Handle) tpvars);
 294         varsp = *tpvars;
 295             /* we don't do any of these functions unless we're in focus */
 296         if ( ! varsp->fInFocus) {
 297             WindowPtr owner;
 298             owner = GetControlOwner(theControl);
 299             ClearKeyboardFocus(owner);
 300             SetKeyboardFocus(owner, theControl, kUserClickedToFocusPart);
 301         }
 302             /* find the location for the click */
 303         switch (TPPaneHitTestProc(theControl, startPt)) {
 304
 305                 /* handle clicks in the text part */
 306             case kmUPTextPart:
 307                 {   SetPort((**tpvars).fDrawingEnvironment);
 308                     wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 309 #if !TARGET_CARBON
 310                     TXNClick( varsp->fTXNRec, (const EventRecord*) wxTheApp->MacGetCurrentEvent());
 311 #else
 312                     EventRecord rec ;
 313                     ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
 314                     TXNClick( varsp->fTXNRec, &rec );
 315 #endif
 316                 }
 317                 break;
 318
 319         }
 320
 321         HSetState((Handle) tpvars, state);
 322     }
 323     return partCodeResult;
 324 }
 325
 326
 327 /* TPPaneIdleProc is our user pane idle routine.  When our text field
 328     is active and in focus, we use this routine to set the cursor. */
 329 static pascal void TPPaneIdleProc(ControlHandle theControl) {
 330     STPTextPaneVars **tpvars, *varsp;
 331         /* set up locals */
 332     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 333     if (tpvars != NULL && IsControlVisible( theControl ) ) {
 334             /* if we're not active, then we have nothing to say about the cursor */
 335         if ((**tpvars).fIsActive) {
 336             char state;
 337             Rect bounds;
 338             Point mousep;
 339                 /* lock down the globals */
 340             state = HGetState((Handle) tpvars);
 341             HLock((Handle) tpvars);
 342             varsp = *tpvars;
 343                 /* get the current mouse coordinates (in our window) */
 344             SetPortWindowPort(GetControlOwner(theControl));
 345             wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 346             GetMouse(&mousep);
 347                 /* there's a 'focus thing' and an 'unfocused thing' */
 348             if (varsp->fInFocus) {
 349                     /* flash the cursor */
 350                 SetPort((**tpvars).fDrawingEnvironment);
 351                 TXNIdle(varsp->fTXNRec);
 352                 /* set the cursor */
 353                 if (PtInRect(mousep, &varsp->fRTextArea)) {
 354                     RgnHandle theRgn;
 355                     RectRgn((theRgn = NewRgn()), &varsp->fRTextArea);
 356                     TXNAdjustCursor(varsp->fTXNRec, theRgn);
 357                     DisposeRgn(theRgn);
 358                  }
 359                  else
 360                  {
 361                  // SetThemeCursor(kThemeArrowCursor);
 362                  }
 363             } else {
 364                 /* if it's in our bounds, set the cursor */
 365                 GetControlBounds(theControl, &bounds);
 366                 if (PtInRect(mousep, &bounds))
 367                 {
 368                 //    SetThemeCursor(kThemeArrowCursor);
 369                 }
 370             }
 371
 372             HSetState((Handle) tpvars, state);
 373         }
 374     }
 375 }
 376
 377
 378 /* TPPaneKeyDownProc is called whenever a keydown event is directed
 379     at our control.  Here, we direct the keydown event to the text
 380     edit record and redraw the scroll bar and text field as appropriate. */
 381 static pascal ControlPartCode TPPaneKeyDownProc(ControlHandle theControl,
 382                             SInt16 keyCode, SInt16 charCode, SInt16 modifiers) {
 383     STPTextPaneVars **tpvars;
 384     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 385     if (tpvars != NULL) {
 386         if ((**tpvars).fInFocus) {
 387                 /* turn autoscrolling on and send the key event to text edit */
 388             SetPort((**tpvars).fDrawingEnvironment);
 389             wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 390             EventRecord ev ;
 391             memset( &ev , 0 , sizeof( ev ) ) ;
 392             ev.what = keyDown ;
 393             ev.modifiers = modifiers ;
 394             ev.message = (( keyCode << 8 ) & keyCodeMask ) + ( charCode & charCodeMask ) ;
 395             TXNKeyDown( (**tpvars).fTXNRec, &ev);
 396         }
 397     }
 398     return kControlEntireControl;
 399 }
 400
 401
 402 /* TPPaneActivateProc is called when the window containing
 403     the user pane control receives activate events. Here, we redraw
 404     the control and it's text as necessary for the activation state. */
 405 static pascal void TPPaneActivateProc(ControlHandle theControl, Boolean activating) {
 406     Rect bounds;
 407     STPTextPaneVars **tpvars, *varsp;
 408     char state;
 409         /* set up locals */
 410     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 411     if (tpvars != NULL) {
 412         state = HGetState((Handle) tpvars);
 413         HLock((Handle) tpvars);
 414         varsp = *tpvars;
 415             /* de/activate the text edit record */
 416         SetPort((**tpvars).fDrawingEnvironment);
 417         wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 418         GetControlBounds(theControl, &bounds);
 419         varsp->fIsActive = activating;
 420         TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 421             /* redraw the frame */
 422         if ( IsControlVisible( theControl ) )
 423         {
 424             DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 425             if (varsp->fInFocus)
 426                 DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive);
 427         }
 428         HSetState((Handle) tpvars, state);
 429     }
 430 }
 431
 432
 433 /* TPPaneFocusProc is called when every the focus changes to or
 434     from our control.  Herein, switch the focus appropriately
 435     according to the parameters and redraw the control as
 436     necessary.  */
 437 static pascal ControlPartCode TPPaneFocusProc(ControlHandle theControl, ControlFocusPart action) {
 438     ControlPartCode focusResult;
 439     STPTextPaneVars **tpvars, *varsp;
 440     char state;
 441         /* set up locals */
 442     focusResult = kControlFocusNoPart;
 443     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 444     if (tpvars != NULL ) {
 445         state = HGetState((Handle) tpvars);
 446         HLock((Handle) tpvars);
 447         varsp = *tpvars;
 448             /* if kControlFocusPrevPart and kControlFocusNextPart are received when the user is
 449             tabbing forwards (or shift tabbing backwards) through the items in the dialog,
 450             and kControlFocusNextPart will be received.  When the user clicks in our field
 451             and it is not the current focus, then the constant kUserClickedToFocusPart will
 452             be received.  The constant kControlFocusNoPart will be received when our control
 453             is the current focus and the user clicks in another control.  In your focus routine,
 454             you should respond to these codes as follows:
 455
 456             kControlFocusNoPart - turn off focus and return kControlFocusNoPart.  redraw
 457                 the control and the focus rectangle as necessary.
 458
 459             kControlFocusPrevPart or kControlFocusNextPart - toggle focus on or off
 460                 depending on its current state.  redraw the control and the focus rectangle
 461                 as appropriate for the new focus state.  If the focus state is 'off', return the constant
 462                 kControlFocusNoPart, otherwise return a non-zero part code.
 463             kUserClickedToFocusPart - is a constant defined for this example.  You should
 464                 define your own value for handling click-to-focus type events. */
 465              /* calculate the next highlight state */
 466         switch (action) {
 467             default:
 468             case kControlFocusNoPart:
 469                 TPFocusPaneText(tpvars, false);
 470                 focusResult = kControlFocusNoPart;
 471                 break;
 472             case kUserClickedToFocusPart:
 473                 TPFocusPaneText(tpvars, true);
 474                 focusResult = 1;
 475                 break;
 476             case kControlFocusPrevPart:
 477             case kControlFocusNextPart:
 478                 TPFocusPaneText(tpvars, ( ! varsp->fInFocus));
 479                 focusResult = varsp->fInFocus ? 1 : kControlFocusNoPart;
 480                 break;
 481         }
 482         TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 483         /* redraw the text fram and focus rectangle to indicate the
 484         new focus state */
 485         if ( IsControlVisible( theControl ) )
 486         {
 487            /* save the drawing state */
 488                 SetPort((**tpvars).fDrawingEnvironment);
 489                 wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 490             DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 491             DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive && varsp->fInFocus);
 492         }
 493             /* done */
 494         HSetState((Handle) tpvars, state);
 495     }
 496     return focusResult;
 497 }
 498
 499
 500 /* mUPOpenControl initializes a user pane control so it will be drawn
 501     and will behave as a scrolling text edit field inside of a window.
 502     This routine performs all of the initialization steps necessary,
 503     except it does not create the user pane control itself.  theControl
 504     should refer to a user pane control that you have either created
 505     yourself or extracted from a dialog's control heirarchy using
 506     the GetDialogItemAsControl routine.  */
 507 OSStatus mUPOpenControl(ControlHandle theControl, long wxStyle )
 508 {
 509     Rect bounds;
 510     WindowRef theWindow;
 511     STPTextPaneVars **tpvars, *varsp;
 512     OSStatus err = noErr ;
 513     RGBColor rgbWhite = {0xFFFF, 0xFFFF, 0xFFFF};
 514     TXNBackground tback;
 515
 516         /* set up our globals */
 517     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(TPPaneDrawProc);
 518     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(TPPaneHitTestProc);
 519     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(TPPaneTrackingProc);
 520     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(TPPaneIdleProc);
 521     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(TPPaneKeyDownProc);
 522     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(TPPaneActivateProc);
 523     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(TPPaneFocusProc);
 524
 525         /* allocate our private storage */
 526     tpvars = (STPTextPaneVars **) NewHandleClear(sizeof(STPTextPaneVars));
 527     SetControlReference(theControl, (long) tpvars);
 528     HLock((Handle) tpvars);
 529     varsp = *tpvars;
 530         /* set the initial settings for our private data */
 531     varsp->fMultiline = wxStyle & wxTE_MULTILINE ;
 532     varsp->fInFocus = false;
 533     varsp->fIsActive = true;
 534     varsp->fTEActive = true; // in order to get a deactivate
 535     varsp->fUserPaneRec = theControl;
 536     theWindow = varsp->fOwner = GetControlOwner(theControl);
 537
 538     varsp->fDrawingEnvironment = (GrafPtr)  GetWindowPort(theWindow);
 539
 540     varsp->fInDialogWindow = ( GetWindowKind(varsp->fOwner) == kDialogWindowKind );
 541         /* set up the user pane procedures */
 542     SetControlData(theControl, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
 543     SetControlData(theControl, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
 544     SetControlData(theControl, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
 545     SetControlData(theControl, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
 546     SetControlData(theControl, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
 547     SetControlData(theControl, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
 548     SetControlData(theControl, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
 549         /* calculate the rectangles used by the control */
 550     GetControlBounds(theControl, &bounds);
 551     SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 552     SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 553     SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
 554         bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
 555         /* calculate the background region for the text.  In this case, it's kindof
 556         and irregular region because we're setting the scroll bar a little ways inside
 557         of the text area. */
 558     RectRgn((varsp->fTextBackgroundRgn = NewRgn()), &varsp->fRTextOutline);
 559
 560         /* set up the drawing environment */
 561     SetPort(varsp->fDrawingEnvironment);
 562
 563         /* create the new edit field */
 564
 565     TXNFrameOptions frameOptions =
 566         kTXNDontDrawCaretWhenInactiveMask ;
 567     if ( ! ( wxStyle & wxTE_NOHIDESEL ) )
 568         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
 569
 570     if ( wxStyle & wxTE_MULTILINE )
 571     {
 572         if ( ! ( wxStyle & wxTE_DONTWRAP ) )
 573             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 574         else
 575         {
 576             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 577             frameOptions |= kTXNWantHScrollBarMask ;
 578         }
 579
 580         if ( !(wxStyle & wxTE_NO_VSCROLL ) )
 581             frameOptions |= kTXNWantVScrollBarMask ;
 582     }
 583     else
 584         frameOptions |= kTXNSingleLineOnlyMask ;
 585
 586     if ( wxStyle & wxTE_READONLY )
 587         frameOptions |= kTXNReadOnlyMask ;
 588
 589     TXNNewObject(NULL, varsp->fOwner, &varsp->fRTextArea,
 590         frameOptions ,
 591         kTXNTextEditStyleFrameType,
 592         kTXNTextensionFile,
 593         kTXNSystemDefaultEncoding,
 594         &varsp->fTXNRec, &varsp->fTXNFrame, (TXNObjectRefcon) tpvars);
 595
 596     if ( !IsControlVisible( theControl ) )
 597         TXNSetFrameBounds(  varsp->fTXNRec, varsp->fRTextArea.top + 30000 , varsp->fRTextArea.left + 30000 ,
 598             varsp->fRTextArea.bottom + 30000 , varsp->fRTextArea.right + 30000 , varsp->fTXNFrame);
 599
 600
 601     if ( (wxStyle & wxTE_MULTILINE) && (wxStyle & wxTE_DONTWRAP) )
 602     {
 603         TXNControlTag tag = kTXNWordWrapStateTag ;
 604         TXNControlData dat ;
 605         dat.uValue = kTXNNoAutoWrap ;
 606         TXNSetTXNObjectControls( varsp->fTXNRec , false , 1 , &tag , &dat ) ;
 607     }
 608         Str255 fontName ;
 609         SInt16 fontSize ;
 610         Style fontStyle ;
 611
 612         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 613
 614         TXNTypeAttributes typeAttr[] =
 615         {
 616             {   kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 617             {   kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 618             {   kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , {  (void*) normal } } ,
 619         } ;
 620
 621     err = TXNSetTypeAttributes (varsp->fTXNRec, sizeof( typeAttr ) / sizeof(TXNTypeAttributes) , typeAttr,
 622           kTXNStartOffset,
 623           kTXNEndOffset);
 624         /* set the field's background */
 625
 626     tback.bgType = kTXNBackgroundTypeRGB;
 627     tback.bg.color = rgbWhite;
 628     TXNSetBackground( varsp->fTXNRec, &tback);
 629
 630         /* unlock our storage */
 631     HUnlock((Handle) tpvars);
 632         /* perform final activations and setup for our text field.  Here,
 633         we assume that the window is going to be the 'active' window. */
 634     TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 635         /* all done */
 636     return err;
 637 }
 638
 639
 640
 641
 642 #if !USE_SHARED_LIBRARY
 643 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 644
 645 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 646     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 647     EVT_CHAR(wxTextCtrl::OnChar)
 648     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 649     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 650     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 651     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 652     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 653
 654     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 655     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 656     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 657     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 658     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 659 END_EVENT_TABLE()
 660 #endif
 661
 662 static void SetTXNData( TXNObject txn , const wxString& st , TXNOffset start , TXNOffset end )
 663 {
 664 #if wxUSE_UNICODE
 665         size_t len = st.Len() ;
 666 #if SIZEOF_WCHAR_T == 2
 667     TXNSetData( txn , kTXNUnicodeTextData,  (void*)st.wc_str(), len * 2,
 668       start, end);
 669 #else
 670     ByteCount byteBufferLen = len * sizeof( UniChar ) ;
 671         UniChar *unibuf = (UniChar*) malloc(byteBufferLen) ;
 672         wxMBConvUTF16BE converter ;
 673         converter.WC2MB( (char*) unibuf , st.wc_str() , byteBufferLen ) ;
 674     TXNSetData( txn , kTXNUnicodeTextData,  (void*)unibuf, len * 2,
 675       start, end);
 676         free( unibuf ) ;
 677 #endif
 678 #else
 679         wxCharBuffer text =  st.mb_str(wxConvLocal)  ;
 680     TXNSetData( txn , kTXNTextData,  (void*)text.data(), strlen( text ) ,
 681       start, end);
 682 #endif
 683 }
 684
 685 // Text item
 686 void wxTextCtrl::Init()
 687 {
 688   m_macTE = NULL ;
 689   m_macTXN = NULL ;
 690   m_macTXNvars = NULL ;
 691   m_macUsesTXN = false ;
 692
 693   m_editable = true ;
 694   m_dirty = false;
 695
 696   m_maxLength = TE_UNLIMITED_LENGTH ;
 697 }
 698
 699 wxTextCtrl::~wxTextCtrl()
 700 {
 701     if ( m_macUsesTXN )
 702     {
 703         SetControlReference((ControlHandle)m_macControl, 0) ;
 704         TXNDeleteObject((TXNObject)m_macTXN);
 705         /* delete our private storage */
 706         DisposeHandle((Handle) m_macTXNvars);
 707         /* zero the control reference */
 708     }
 709 }
 710
 711 const short kVerticalMargin = 2 ;
 712 const short kHorizontalMargin = 2 ;
 713
 714 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
 715            const wxString& str,
 716            const wxPoint& pos,
 717            const wxSize& size, long style,
 718            const wxValidator& validator,
 719            const wxString& name)
 720 {
 721     m_macTE = NULL ;
 722     m_macTXN = NULL ;
 723     m_macTXNvars = NULL ;
 724     m_macUsesTXN = false ;
 725     m_editable = true ;
 726
 727     m_macUsesTXN = ! (style & wxTE_PASSWORD ) ;
 728
 729     m_macUsesTXN &= (TXNInitTextension != (void*) kUnresolvedCFragSymbolAddress) ;
 730
 731     // base initialization
 732     if ( !wxTextCtrlBase::Create(parent, id, pos, size, style & ~(wxHSCROLL|wxVSCROLL), validator, name) )
 733         return FALSE;
 734
 735     wxSize mySize = size ;
 736     if ( m_macUsesTXN )
 737     {
 738         m_macHorizontalBorder = 5 ; // additional pixels around the real control
 739         m_macVerticalBorder = 3 ;
 740     }
 741     else
 742     {
 743         m_macHorizontalBorder = 5 ; // additional pixels around the real control
 744         m_macVerticalBorder = 5 ;
 745     }
 746
 747
 748     Rect bounds ;
 749     Str255 title ;
 750     /*
 751     if ( mySize.y == -1 )
 752     {
 753         mySize.y = 13 ;
 754         if ( m_windowStyle & wxTE_MULTILINE )
 755             mySize.y *= 5 ;
 756
 757         mySize.y += 2 * m_macVerticalBorder ;
 758     }
 759     */
 760     MacPreControlCreate( parent , id ,  wxEmptyString , pos , mySize ,style, validator , name , &bounds , title ) ;
 761
 762     if ( m_windowStyle & wxTE_MULTILINE )
 763     {
 764         wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
 765                       wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
 766
 767         m_windowStyle |= wxTE_PROCESS_ENTER;
 768     }
 769
 770     if ( m_windowStyle & wxTE_READONLY)
 771     {
 772         m_editable = FALSE ;
 773     }
 774
 775     wxString st = str ;
 776     wxMacConvertNewlines13To10( &st ) ;
 777     if ( !m_macUsesTXN )
 778     {
 779         m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , "\p" , false , 0 , 0 , 1,
 780             (style & wxTE_PASSWORD) ? kControlEditTextPasswordProc : kControlEditTextProc , (long) this ) ;
 781         long size ;
 782         ::GetControlData((ControlHandle)  m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*)((TEHandle *)&m_macTE) , &size ) ;
 783
 784     }
 785     else
 786     {
 787         short featurSet;
 788
 789         featurSet = kControlSupportsEmbedding | kControlSupportsFocus  | kControlWantsIdle
 790                 | kControlWantsActivate | kControlHandlesTracking | kControlHasSpecialBackground
 791                 | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
 792             /* create the control */
 793         m_macControl = NewControl(MAC_WXHWND(parent->MacGetRootWindow()), &bounds, "\p", false , featurSet, 0, featurSet, kControlUserPaneProc, 0);
 794             /* set up the mUP specific features and data */
 795         mUPOpenControl((ControlHandle) m_macControl, m_windowStyle );
 796     }
 797     MacPostControlCreate() ;
 798
 799     if ( !m_macUsesTXN )
 800     {
 801         wxCharBuffer text = st.mb_str(wxConvLocal) ;
 802         ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , strlen(text) , text ) ;
 803     }
 804     else
 805     {
 806         STPTextPaneVars **tpvars;
 807             /* set up locals */
 808         tpvars = (STPTextPaneVars **) GetControlReference((ControlHandle) m_macControl);
 809             /* set the text in the record */
 810         m_macTXN =  (**tpvars).fTXNRec ;
 811         SetTXNData( (TXNObject) m_macTXN , st , kTXNStartOffset, kTXNEndOffset ) ;
 812         m_macTXNvars = tpvars ;
 813         m_macUsesTXN = true ;
 814         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 815         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 816     }
 817
 818     return TRUE;
 819 }
 820
 821 wxString wxTextCtrl::GetValue() const
 822 {
 823     Size actualSize = 0;
 824     wxString result ;
 825     OSStatus err ;
 826     if ( !m_macUsesTXN )
 827     {
 828         err = ::GetControlDataSize((ControlHandle) m_macControl, 0,
 829             ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag, &actualSize ) ;
 830
 831        if ( err )
 832            return wxEmptyString ;
 833
 834        if ( actualSize > 0 )
 835        {
 836                 wxCharBuffer buf(actualSize) ;
 837             ::GetControlData( (ControlHandle) m_macControl, 0,
 838                 ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag,
 839                 actualSize , buf.data() , &actualSize ) ;
 840             result = wxString( buf , wxConvLocal) ;
 841         }
 842     }
 843     else
 844     {
 845 #if wxUSE_UNICODE
 846         Handle theText ;
 847         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNUnicodeTextData );
 848         // all done
 849         if ( err )
 850         {
 851             actualSize = 0 ;
 852         }
 853         else
 854         {
 855             actualSize = GetHandleSize( theText ) ;
 856             if ( actualSize > 0 )
 857             {
 858                 wxChar *ptr = result.GetWriteBuf(actualSize*sizeof(wxChar)) ;
 859 #if SIZEOF_WCHAR_T == 2
 860                 wxStrncpy( ptr , (wxChar*) *theText , actualSize ) ;
 861 #else
 862                                 wxMBConvUTF16BE converter ;
 863                                 HLock( theText ) ;
 864                                 converter.MB2WC( ptr , (const char*)*theText , actualSize*sizeof(wxChar) ) ;
 865                                 HUnlock( theText ) ;
 866 #endif
 867                 ptr[actualSize] = 0 ;
 868                 result.UngetWriteBuf( actualSize ) ;
 869             }
 870             DisposeHandle( theText ) ;
 871         }
 872 #else
 873         Handle theText ;
 874         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
 875         // all done
 876         if ( err )
 877         {
 878             actualSize = 0 ;
 879         }
 880         else
 881         {
 882             actualSize = GetHandleSize( theText ) ;
 883             if ( actualSize > 0 )
 884             {
 885                 HLock( theText ) ;
 886                 result = wxString( *theText , wxConvLocal , actualSize ) ;
 887                 HUnlock( theText ) ;
 888             }
 889             DisposeHandle( theText ) ;
 890         }
 891 #endif
 892     }
 893     wxMacConvertNewlines10To13( &result ) ;
 894     return result ;
 895 }
 896
 897 void wxTextCtrl::GetSelection(long* from, long* to) const
 898 {
 899   if ( !m_macUsesTXN )
 900   {
 901     *from = (**((TEHandle) m_macTE)).selStart;
 902     *to = (**((TEHandle) m_macTE)).selEnd;
 903    }
 904    else
 905    {
 906         TXNGetSelection( (TXNObject) m_macTXN , (TXNOffset*) from , (TXNOffset*) to ) ;
 907    }
 908 }
 909
 910 void wxTextCtrl::SetValue(const wxString& str)
 911 {
 912     wxString st = str ;
 913     wxMacConvertNewlines13To10( &st ) ;
 914     if ( !m_macUsesTXN )
 915     {
 916         wxCharBuffer text =  st.mb_str(wxConvLocal) ;
 917         ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , strlen(text) , text ) ;
 918     }
 919     else
 920     {
 921         bool formerEditable = m_editable ;
 922         if ( !formerEditable )
 923             SetEditable(true) ;
 924         SetTXNData( (TXNObject) m_macTXN , st , kTXNStartOffset, kTXNEndOffset ) ;
 925         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 926         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 927         if ( !formerEditable )
 928             SetEditable(formerEditable) ;
 929     }
 930     MacRedrawControl() ;
 931 }
 932
 933 void wxTextCtrl::SetMaxLength(unsigned long len)
 934 {
 935     m_maxLength = len ;
 936 }
 937
 938 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 939 {
 940     if ( m_macUsesTXN )
 941     {
 942         bool formerEditable = m_editable ;
 943         if ( !formerEditable )
 944             SetEditable(true) ;
 945         TXNTypeAttributes typeAttr[4] ;
 946         Str255 fontName = "\pMonaco" ;
 947         SInt16 fontSize = 12 ;
 948         Style fontStyle = normal ;
 949         RGBColor color ;
 950         int attrCounter = 0 ;
 951         if ( style.HasFont() )
 952         {
 953             const wxFont &font = style.GetFont() ;
 954             wxMacStringToPascal( font.GetFaceName() , fontName ) ;
 955             fontSize = font.GetPointSize() ;
 956             if ( font.GetUnderlined() )
 957                 fontStyle |= underline ;
 958             if ( font.GetWeight() == wxBOLD )
 959                 fontStyle |= bold ;
 960             if ( font.GetStyle() == wxITALIC )
 961                 fontStyle |= italic ;
 962
 963             typeAttr[attrCounter].tag = kTXNQDFontNameAttribute ;
 964             typeAttr[attrCounter].size = kTXNQDFontNameAttributeSize ;
 965             typeAttr[attrCounter].data.dataPtr = (void*) fontName ;
 966             typeAttr[attrCounter+1].tag = kTXNQDFontSizeAttribute ;
 967             typeAttr[attrCounter+1].size = kTXNFontSizeAttributeSize ;
 968             typeAttr[attrCounter+1].data.dataValue =  (fontSize << 16) ;
 969             typeAttr[attrCounter+2].tag = kTXNQDFontStyleAttribute ;
 970             typeAttr[attrCounter+2].size = kTXNQDFontStyleAttributeSize ;
 971             typeAttr[attrCounter+2].data.dataValue = fontStyle ;
 972             attrCounter += 3 ;
 973
 974         }
 975         if ( style.HasTextColour() )
 976         {
 977             typeAttr[attrCounter].tag = kTXNQDFontColorAttribute ;
 978             typeAttr[attrCounter].size = kTXNQDFontColorAttributeSize ;
 979             typeAttr[attrCounter].data.dataPtr = (void*) &color ;
 980             color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
 981             attrCounter += 1 ;
 982         }
 983
 984         if ( attrCounter > 0 )
 985         {
 986 #ifdef __WXDEBUG__
 987             OSStatus status =
 988 #endif // __WXDEBUG__
 989                 TXNSetTypeAttributes ((TXNObject)m_macTXN, attrCounter , typeAttr, start,end);
 990             wxASSERT_MSG( status == noErr , wxT("Couldn't set text attributes") ) ;
 991         }
 992         if ( !formerEditable )
 993             SetEditable(formerEditable) ;
 994     }
 995     return TRUE ;
 996 }
 997
 998 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 999 {
1000     wxTextCtrlBase::SetDefaultStyle( style ) ;
1001     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
1002     return TRUE ;
1003 }
1004
1005 // Clipboard operations
1006 void wxTextCtrl::Copy()
1007 {
1008     if (CanCopy())
1009     {
1010       if ( !m_macUsesTXN )
1011       {
1012             TECopy( ((TEHandle) m_macTE) ) ;
1013             ClearCurrentScrap();
1014             TEToScrap() ;
1015             MacRedrawControl() ;
1016         }
1017         else
1018         {
1019             ClearCurrentScrap();
1020             TXNCopy((TXNObject)m_macTXN);
1021             TXNConvertToPublicScrap();
1022         }
1023     }
1024 }
1025
1026 void wxTextCtrl::Cut()
1027 {
1028     if (CanCut())
1029     {
1030         if ( !m_macUsesTXN )
1031         {
1032             TECut( ((TEHandle) m_macTE) ) ;
1033             ClearCurrentScrap();
1034             TEToScrap() ;
1035             MacRedrawControl() ;
1036         }
1037         else
1038         {
1039             ClearCurrentScrap();
1040             TXNCut((TXNObject)m_macTXN);
1041             TXNConvertToPublicScrap();
1042         }
1043         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1044         event.SetString( GetValue() ) ;
1045         event.SetEventObject( this );
1046         GetEventHandler()->ProcessEvent(event);
1047       }
1048 }
1049
1050 void wxTextCtrl::Paste()
1051 {
1052     if (CanPaste())
1053     {
1054         if ( !m_macUsesTXN )
1055         {
1056             TEFromScrap() ;
1057             TEPaste( (TEHandle) m_macTE ) ;
1058             MacRedrawControl() ;
1059         }
1060         else
1061         {
1062             TXNConvertFromPublicScrap();
1063             TXNPaste((TXNObject)m_macTXN);
1064             SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
1065         }
1066         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1067         event.SetString( GetValue() ) ;
1068         event.SetEventObject( this );
1069         GetEventHandler()->ProcessEvent(event);
1070     }
1071 }
1072
1073 bool wxTextCtrl::CanCopy() const
1074 {
1075     // Can copy if there's a selection
1076     long from, to;
1077     GetSelection(& from, & to);
1078     return (from != to);
1079 }
1080
1081 bool wxTextCtrl::CanCut() const
1082 {
1083     if ( !IsEditable() )
1084     {
1085         return false ;
1086     }
1087     // Can cut if there's a selection
1088     long from, to;
1089     GetSelection(& from, & to);
1090     return (from != to);
1091 }
1092
1093 bool wxTextCtrl::CanPaste() const
1094 {
1095     if (!IsEditable())
1096         return FALSE;
1097
1098 #if TARGET_CARBON
1099     OSStatus err = noErr;
1100     ScrapRef scrapRef;
1101
1102     err = GetCurrentScrap( &scrapRef );
1103     if ( err != noTypeErr && err != memFullErr )
1104     {
1105         ScrapFlavorFlags    flavorFlags;
1106         Size                byteCount;
1107
1108         if (( err = GetScrapFlavorFlags( scrapRef, 'TEXT', &flavorFlags )) == noErr)
1109         {
1110             if (( err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount )) == noErr)
1111             {
1112                 return TRUE ;
1113             }
1114         }
1115     }
1116     return FALSE;
1117
1118 #else
1119     long offset ;
1120     if ( GetScrap( NULL , 'TEXT' , &offset ) > 0 )
1121     {
1122         return TRUE ;
1123     }
1124 #endif
1125     return FALSE ;
1126 }
1127
1128 void wxTextCtrl::SetEditable(bool editable)
1129 {
1130     if ( editable != m_editable )
1131     {
1132         m_editable = editable ;
1133         if ( !m_macUsesTXN )
1134         {
1135             if ( editable )
1136                 UMAActivateControl( (ControlHandle) m_macControl ) ;
1137             else
1138                 UMADeactivateControl((ControlHandle)  m_macControl ) ;
1139         }
1140         else
1141         {
1142             TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1143             TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1144             TXNSetTXNObjectControls( (TXNObject) m_macTXN , false , sizeof(tag) / sizeof (TXNControlTag) , tag , data ) ;
1145         }
1146     }
1147 }
1148
1149 void wxTextCtrl::SetInsertionPoint(long pos)
1150 {
1151     SetSelection( pos , pos ) ;
1152 }
1153
1154 void wxTextCtrl::SetInsertionPointEnd()
1155 {
1156     long pos = GetLastPosition();
1157     SetInsertionPoint(pos);
1158 }
1159
1160 long wxTextCtrl::GetInsertionPoint() const
1161 {
1162     long begin,end ;
1163     GetSelection( &begin , &end ) ;
1164     return begin ;
1165 }
1166
1167 long wxTextCtrl::GetLastPosition() const
1168 {
1169     if ( !m_macUsesTXN )
1170     {
1171         return (**((TEHandle) m_macTE)).teLength ;
1172     }
1173     else
1174     {
1175         Handle theText ;
1176         long actualsize ;
1177         OSErr err = TXNGetDataEncoded( (TXNObject) m_macTXN, kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
1178         /* all done */
1179         if ( err )
1180         {
1181             actualsize = 0 ;
1182         }
1183         else
1184         {
1185             actualsize = GetHandleSize( theText ) ;
1186             DisposeHandle( theText ) ;
1187         }
1188         return actualsize ;
1189     }
1190 }
1191
1192 void wxTextCtrl::Replace(long from, long to, const wxString& str)
1193 {
1194     wxString value = str ;
1195     wxMacConvertNewlines13To10( &value ) ;
1196     if ( !m_macUsesTXN )
1197     {
1198         ControlEditTextSelectionRec selection ;
1199
1200         selection.selStart = from ;
1201         selection.selEnd = to ;
1202         ::SetControlData((ControlHandle)  m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
1203         TESetSelect( from , to  , ((TEHandle) m_macTE) ) ;
1204         TEDelete( ((TEHandle) m_macTE) ) ;
1205         TEInsert( value , value.Length() , ((TEHandle) m_macTE) ) ;
1206     }
1207     else
1208     {
1209         bool formerEditable = m_editable ;
1210         if ( !formerEditable )
1211             SetEditable(true) ;
1212         TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1213         TXNClear( ((TXNObject) m_macTXN) ) ;
1214         SetTXNData( (TXNObject) m_macTXN , str , kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1215         if ( !formerEditable )
1216             SetEditable( formerEditable ) ;
1217     }
1218     Refresh() ;
1219 }
1220
1221 void wxTextCtrl::Remove(long from, long to)
1222 {
1223     if ( !m_macUsesTXN )
1224     {
1225         ControlEditTextSelectionRec selection ;
1226
1227         selection.selStart = from ;
1228         selection.selEnd = to ;
1229         ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
1230         TEDelete( ((TEHandle) m_macTE) ) ;
1231     }
1232     else
1233     {
1234         bool formerEditable = m_editable ;
1235         if ( !formerEditable )
1236             SetEditable(true) ;
1237         TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1238         TXNClear( ((TXNObject) m_macTXN) ) ;
1239         if ( !formerEditable )
1240             SetEditable( formerEditable ) ;
1241     }
1242     Refresh() ;
1243 }
1244
1245 void wxTextCtrl::SetSelection(long from, long to)
1246 {
1247     if ( !m_macUsesTXN )
1248     {
1249         ControlEditTextSelectionRec selection ;
1250         if ((from == -1) && (to == -1))
1251         {
1252                 selection.selStart = 0 ;
1253                 selection.selEnd = 32767 ;
1254         }
1255         else
1256         {
1257                 selection.selStart = from ;
1258                 selection.selEnd = to ;
1259         }
1260
1261         TESetSelect( selection.selStart , selection.selEnd , ((TEHandle) m_macTE) ) ;
1262         ::SetControlData((ControlHandle)  m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
1263     }
1264     else
1265     {
1266         STPTextPaneVars **tpvars;
1267         /* set up our locals */
1268         tpvars = (STPTextPaneVars **) GetControlReference((ControlHandle) m_macControl);
1269         /* and our drawing environment as the operation
1270         may force a redraw in the text area. */
1271         SetPort((**tpvars).fDrawingEnvironment);
1272         /* change the selection */
1273         if ((from == -1) && (to == -1))
1274                 TXNSelectAll((TXNObject) m_macTXN);
1275         else
1276                 TXNSetSelection( (**tpvars).fTXNRec, from, to);
1277         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
1278     }
1279 }
1280
1281 bool wxTextCtrl::LoadFile(const wxString& file)
1282 {
1283     if ( wxTextCtrlBase::LoadFile(file) )
1284     {
1285         return TRUE;
1286     }
1287
1288     return FALSE;
1289 }
1290
1291 void wxTextCtrl::WriteText(const wxString& str)
1292 {
1293     wxString st = str ;
1294     wxMacConvertNewlines13To10( &st ) ;
1295     if ( !m_macUsesTXN )
1296     {
1297         wxCharBuffer text =  st.mb_str(wxConvLocal) ;
1298         TEInsert( text , strlen(text) , ((TEHandle) m_macTE) ) ;
1299     }
1300     else
1301     {
1302         bool formerEditable = m_editable ;
1303         if ( !formerEditable )
1304             SetEditable(true) ;
1305         long start , end , dummy ;
1306         GetSelection( &start , &dummy ) ;
1307         SetTXNData( (TXNObject) m_macTXN , st , kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1308         GetSelection( &dummy , &end ) ;
1309         SetStyle( start , end , GetDefaultStyle() ) ;
1310         if ( !formerEditable )
1311             SetEditable( formerEditable ) ;
1312     }
1313     MacRedrawControl() ;
1314 }
1315
1316 void wxTextCtrl::AppendText(const wxString& text)
1317 {
1318     SetInsertionPointEnd();
1319     WriteText(text);
1320 }
1321
1322 void wxTextCtrl::Clear()
1323 {
1324     if ( !m_macUsesTXN )
1325     {
1326         ::SetControlData((ControlHandle)  m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 0 , (char*) ((const char*)NULL) ) ;
1327     }
1328     else
1329     {
1330         TXNSetSelection( (TXNObject)m_macTXN , kTXNStartOffset , kTXNEndOffset ) ;
1331         TXNClear((TXNObject)m_macTXN);
1332     }
1333     Refresh() ;
1334 }
1335
1336 bool wxTextCtrl::IsModified() const
1337 {
1338     return m_dirty;
1339 }
1340
1341 bool wxTextCtrl::IsEditable() const
1342 {
1343     return IsEnabled() && m_editable ;
1344 }
1345
1346 bool wxTextCtrl::AcceptsFocus() const
1347 {
1348     // we don't want focus if we can't be edited
1349     return /*IsEditable() && */ wxControl::AcceptsFocus();
1350 }
1351
1352 wxSize wxTextCtrl::DoGetBestSize() const
1353 {
1354     int wText = 100 ;
1355
1356     int hText;
1357     if ( m_macUsesTXN )
1358     {
1359         hText = 17 ;
1360     }
1361     else
1362     {
1363         hText = 13 ;
1364     }
1365 /*
1366     int cx, cy;
1367     wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
1368
1369     int wText = DEFAULT_ITEM_WIDTH;
1370
1371     int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
1372
1373     return wxSize(wText, hText);
1374 */
1375     if ( m_windowStyle & wxTE_MULTILINE )
1376     {
1377          hText *= 5 ;
1378     }
1379     hText += 2 * m_macVerticalBorder ;
1380     wText += 2 * m_macHorizontalBorder ;
1381     //else: for single line control everything is ok
1382     return wxSize(wText, hText);
1383 }
1384
1385 // ----------------------------------------------------------------------------
1386 // Undo/redo
1387 // ----------------------------------------------------------------------------
1388
1389 void wxTextCtrl::Undo()
1390 {
1391     if (CanUndo())
1392     {
1393         if ( m_macUsesTXN )
1394         {
1395             TXNUndo((TXNObject)m_macTXN);
1396         }
1397     }
1398 }
1399
1400 void wxTextCtrl::Redo()
1401 {
1402     if (CanRedo())
1403     {
1404         if ( m_macUsesTXN )
1405         {
1406             TXNRedo((TXNObject)m_macTXN);
1407         }
1408     }
1409 }
1410
1411 bool wxTextCtrl::CanUndo() const
1412 {
1413     if ( !IsEditable() )
1414     {
1415         return false ;
1416     }
1417     if ( m_macUsesTXN )
1418     {
1419         return TXNCanUndo((TXNObject)m_macTXN,NULL);
1420     }
1421     return FALSE ;
1422 }
1423
1424 bool wxTextCtrl::CanRedo() const
1425 {
1426     if ( !IsEditable() )
1427     {
1428         return false ;
1429     }
1430     if ( m_macUsesTXN )
1431     {
1432         return TXNCanRedo((TXNObject)m_macTXN,NULL);
1433     }
1434     return FALSE ;
1435 }
1436
1437 // Makes modifie or unmodified
1438 void wxTextCtrl::MarkDirty()
1439 {
1440     m_dirty = true;
1441 }
1442
1443 void wxTextCtrl::DiscardEdits()
1444 {
1445     m_dirty = false;
1446 }
1447
1448 int wxTextCtrl::GetNumberOfLines() const
1449 {
1450     if ( m_macUsesTXN )
1451     {
1452         ItemCount lines ;
1453         TXNGetLineCount((TXNObject)m_macTXN, &lines ) ;
1454         return lines ;
1455     }
1456     else
1457     {
1458         wxString content = GetValue() ;
1459
1460         int count = 1;
1461         for (size_t i = 0; i < content.Length() ; i++)
1462         {
1463             if (content[i] == '\r') count++;
1464         }
1465         return count;
1466     }
1467 }
1468
1469 long wxTextCtrl::XYToPosition(long x, long y) const
1470 {
1471     // TODO
1472     return 0;
1473 }
1474
1475 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
1476 {
1477     return FALSE ;
1478 }
1479
1480 void wxTextCtrl::ShowPosition(long pos)
1481 {
1482 #if TARGET_RT_MAC_MACHO && defined(AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER)
1483     if ( m_macUsesTXN )
1484     {
1485         Point current ;
1486         Point desired ;
1487         TXNOffset selstart , selend ;
1488         TXNGetSelection(  (TXNObject) m_macTXN , &selstart , &selend) ;
1489         TXNOffsetToPoint( (TXNObject) m_macTXN,  selstart , &current);
1490         TXNOffsetToPoint( (TXNObject) m_macTXN,  pos , &desired);
1491         //TODO use HIPoints for 10.3 and above
1492         if ( (UInt32) TXNScroll != (UInt32) kUnresolvedCFragSymbolAddress )
1493         {
1494             OSErr theErr = noErr;
1495             SInt32 dv = desired.v - current.v ;
1496             SInt32 dh = desired.h - current.h ;
1497             TXNShowSelection(  (TXNObject) m_macTXN , true ) ;
1498             theErr = TXNScroll( (TXNObject) m_macTXN, kTXNScrollUnitsInPixels , kTXNScrollUnitsInPixels , &dv , &dh );
1499             wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
1500         }
1501     }
1502 #endif
1503 }
1504
1505 int wxTextCtrl::GetLineLength(long lineNo) const
1506 {
1507     // TODO change this if possible to reflect real lines
1508     wxString content = GetValue() ;
1509
1510     // Find line first
1511     int count = 0;
1512     for (size_t i = 0; i < content.Length() ; i++)
1513     {
1514         if (count == lineNo)
1515         {
1516             // Count chars in line then
1517             count = 0;
1518             for (size_t j = i; j < content.Length(); j++)
1519             {
1520                 count++;
1521                 if (content[j] == '\n') return count;
1522             }
1523
1524             return count;
1525         }
1526         if (content[i] == '\n') count++;
1527     }
1528     return 0;
1529 }
1530
1531 wxString wxTextCtrl::GetLineText(long lineNo) const
1532 {
1533     // TODO change this if possible to reflect real lines
1534     wxString content = GetValue() ;
1535
1536     // Find line first
1537     int count = 0;
1538     for (size_t i = 0; i < content.Length() ; i++)
1539     {
1540         if (count == lineNo)
1541         {
1542             // Add chars in line then
1543             wxString tmp;
1544
1545             for (size_t j = i; j < content.Length(); j++)
1546             {
1547                 if (content[j] == '\n')
1548                     return tmp;
1549
1550                 tmp += content[j];
1551             }
1552
1553             return tmp;
1554         }
1555         if (content[i] == '\n') count++;
1556     }
1557     return wxEmptyString ;
1558 }
1559
1560 /*
1561  * Text item
1562  */
1563
1564 void wxTextCtrl::Command(wxCommandEvent & event)
1565 {
1566     SetValue (event.GetString());
1567     ProcessCommand (event);
1568 }
1569
1570 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
1571 {
1572     // By default, load the first file into the text window.
1573     if (event.GetNumberOfFiles() > 0)
1574     {
1575         LoadFile(event.GetFiles()[0]);
1576     }
1577 }
1578
1579 void wxTextCtrl::OnChar(wxKeyEvent& event)
1580 {
1581     int key = event.GetKeyCode() ;
1582     bool eat_key = false ;
1583
1584     if ( key == 'c' && event.MetaDown() )
1585     {
1586         if ( CanCopy() )
1587             Copy() ;
1588         return ;
1589     }
1590
1591     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
1592         !( key == WXK_RETURN && ( (m_windowStyle & wxPROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
1593 /*        && key != WXK_PRIOR && key != WXK_NEXT && key != WXK_HOME && key != WXK_END */
1594         )
1595     {
1596         // eat it
1597         return ;
1598     }
1599
1600     // assume that any key not processed yet is going to modify the control
1601     m_dirty = true;
1602
1603     if ( key == 'v' && event.MetaDown() )
1604     {
1605         if ( CanPaste() )
1606             Paste() ;
1607         return ;
1608     }
1609     if ( key == 'x' && event.MetaDown() )
1610     {
1611         if ( CanCut() )
1612             Cut() ;
1613         return ;
1614     }
1615     switch ( key )
1616     {
1617         case WXK_RETURN:
1618             if (m_windowStyle & wxPROCESS_ENTER)
1619             {
1620                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1621                 event.SetEventObject( this );
1622                 event.SetString( GetValue() );
1623                 if ( GetEventHandler()->ProcessEvent(event) )
1624                     return;
1625             }
1626             if ( !(m_windowStyle & wxTE_MULTILINE) )
1627             {
1628                 wxWindow *parent = GetParent();
1629                 while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
1630                   parent = parent->GetParent() ;
1631                 }
1632                 if ( parent && parent->GetDefaultItem() )
1633                 {
1634                     wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
1635                                                           wxButton);
1636                     if ( def && def->IsEnabled() )
1637                     {
1638                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
1639                         event.SetEventObject(def);
1640                         def->Command(event);
1641                         return ;
1642                    }
1643                 }
1644
1645                 // this will make wxWindows eat the ENTER key so that
1646                 // we actually prevent line wrapping in a single line
1647                 // text control
1648                 eat_key = TRUE;
1649             }
1650
1651             break;
1652
1653         case WXK_TAB:
1654             // always produce navigation event - even if we process TAB
1655             // ourselves the fact that we got here means that the user code
1656             // decided to skip processing of this TAB - probably to let it
1657             // do its default job.
1658             {
1659                 wxNavigationKeyEvent eventNav;
1660                 eventNav.SetDirection(!event.ShiftDown());
1661                 eventNav.SetWindowChange(event.ControlDown());
1662                 eventNav.SetEventObject(this);
1663
1664                 if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
1665                     return;
1666
1667                 event.Skip() ;
1668                 return;
1669             }
1670             break;
1671     }
1672
1673     if (!eat_key)
1674     {
1675         // perform keystroke handling
1676 #if TARGET_CARBON
1677         if ( m_macUsesTXN && wxTheApp->MacGetCurrentEvent() != NULL && wxTheApp->MacGetCurrentEventHandlerCallRef() != NULL )
1678             CallNextEventHandler((EventHandlerCallRef)wxTheApp->MacGetCurrentEventHandlerCallRef() , (EventRef) wxTheApp->MacGetCurrentEvent() ) ;
1679         else
1680         {
1681             EventRecord rec ;
1682             if ( wxMacConvertEventToRecord(  (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) )
1683             {
1684                 EventRecord *ev = &rec ;
1685                 short keycode ;
1686                 short keychar ;
1687                 keychar = short(ev->message & charCodeMask);
1688                 keycode = short(ev->message & keyCodeMask) >> 8 ;
1689
1690                 ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
1691             }
1692         }
1693 #else
1694         EventRecord *ev = (EventRecord*) wxTheApp->MacGetCurrentEvent() ;
1695         short keycode ;
1696         short keychar ;
1697         keychar = short(ev->message & charCodeMask);
1698         keycode = short(ev->message & keyCodeMask) >> 8 ;
1699
1700         ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
1701 #endif
1702     }
1703     if ( ( key >= 0x20 && key < WXK_START ) ||
1704          key == WXK_RETURN ||
1705          key == WXK_DELETE ||
1706          key == WXK_BACK)
1707     {
1708         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1709         event1.SetString( GetValue() ) ;
1710         event1.SetEventObject( this );
1711         wxPostEvent(GetEventHandler(),event1);
1712     }
1713 }
1714
1715 void  wxTextCtrl::MacSuperShown( bool show )
1716 {
1717     bool former = m_macControlIsShown ;
1718     wxControl::MacSuperShown( show ) ;
1719     if ( (former != m_macControlIsShown) && m_macUsesTXN )
1720     {
1721         if ( m_macControlIsShown )
1722             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1723                 (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom,(**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1724         else
1725             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1726                (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1727     }
1728 }
1729
1730 bool  wxTextCtrl::Show(bool show)
1731 {
1732     bool former = m_macControlIsShown ;
1733
1734     bool retval = wxControl::Show( show ) ;
1735
1736     if ( former != m_macControlIsShown && m_macUsesTXN )
1737     {
1738         if ( m_macControlIsShown )
1739             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1740                 (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom,(**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1741         else
1742             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1743                (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1744     }
1745
1746     return retval ;
1747 }
1748
1749 // ----------------------------------------------------------------------------
1750 // standard handlers for standard edit menu events
1751 // ----------------------------------------------------------------------------
1752
1753 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1754 {
1755     Cut();
1756 }
1757
1758 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1759 {
1760     Copy();
1761 }
1762
1763 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1764 {
1765     Paste();
1766 }
1767
1768 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1769 {
1770     Undo();
1771 }
1772
1773 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1774 {
1775     Redo();
1776 }
1777
1778 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1779 {
1780     event.Enable( CanCut() );
1781 }
1782
1783 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1784 {
1785     event.Enable( CanCopy() );
1786 }
1787
1788 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1789 {
1790     event.Enable( CanPaste() );
1791 }
1792
1793 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1794 {
1795     event.Enable( CanUndo() );
1796 }
1797
1798 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1799 {
1800     event.Enable( CanRedo() );
1801 }
1802
1803 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1804 {
1805     if ( m_macUsesTXN )
1806         return true ;
1807     else
1808         return wxWindow::MacSetupCursor( pt ) ;
1809 }
1810
1811 #endif
1812     // wxUSE_TEXTCTRL