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