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