src/mac/classic/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/classic/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/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_TEXTCTRL
  19
  20 #include "wx/textctrl.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/app.h"
  24     #include "wx/utils.h"
  25 #endif
  26
  27 #ifdef __DARWIN__
  28     #include <sys/types.h>
  29     #include <sys/stat.h>
  30 #else
  31     #include <stat.h>
  32 #endif
  33
  34 #include "wx/msgdlg.h"
  35
  36 #if wxUSE_STD_IOSTREAM
  37     #if wxUSE_IOSTREAMH
  38         #include <fstream.h>
  39     #else
  40         #include <fstream>
  41     #endif
  42 #endif
  43
  44 #include "wx/dc.h"
  45 #include "wx/button.h"
  46 #include "wx/toplevel.h"
  47 #include "wx/notebook.h"
  48 #include "wx/tabctrl.h"
  49 #include "wx/settings.h"
  50 #include "wx/filefn.h"
  51
  52 #if defined(__BORLANDC__) && !defined(__WIN32__)
  53     #include <alloc.h>
  54 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  55     #include <malloc.h>
  56 #endif
  57
  58 #ifndef __DARWIN__
  59 #include <Scrap.h>
  60 #endif
  61 #include <MacTextEditor.h>
  62 #include <ATSUnicode.h>
  63 #include <TextCommon.h>
  64 #include <TextEncodingConverter.h>
  65 #include "wx/mac/uma.h"
  66
  67 #define TE_UNLIMITED_LENGTH 0xFFFFFFFFUL
  68
  69 extern wxControl *wxFindControlFromMacControl(ControlHandle inControl ) ;
  70
  71 // CS:TODO we still have a problem getting properly at the text events of a control because under Carbon
  72 // the MLTE engine registers itself for the key events thus the normal flow never occurs, the only measure for the
  73 // moment is to avoid setting the true focus on the control, the proper solution at the end would be to have
  74 // an alternate path for carbon key events that routes automatically into the same wx flow of events
  75
  76 /* part codes */
  77
  78 /* kmUPTextPart is the part code we return to indicate the user has clicked
  79     in the text area of our control */
  80 #define kmUPTextPart 1
  81
  82 /* kmUPScrollPart is the part code we return to indicate the user has clicked
  83     in the scroll bar part of the control. */
  84 #define kmUPScrollPart 2
  85
  86
  87 /* routines for using existing user pane controls.
  88     These routines are useful for cases where you would like to use an
  89     existing user pane control in, say, a dialog window as a scrolling
  90     text edit field.*/
  91
  92 /* mUPOpenControl initializes a user pane control so it will be drawn
  93     and will behave as a scrolling text edit field inside of a window.
  94     This routine performs all of the initialization steps necessary,
  95     except it does not create the user pane control itself.  theControl
  96     should refer to a user pane control that you have either created
  97     yourself or extracted from a dialog's control heirarchy using
  98     the GetDialogItemAsControl routine.  */
  99 OSStatus mUPOpenControl(ControlHandle theControl, long wxStyle);
 100
 101 /* Utility Routines */
 102
 103 enum {
 104     kShiftKeyCode = 56
 105 };
 106
 107 /* kUserClickedToFocusPart is a part code we pass to the SetKeyboardFocus
 108     routine.  In our focus switching routine this part code is understood
 109     as meaning 'the user has clicked in the control and we need to switch
 110     the current focus to ourselves before we can continue'. */
 111 #define kUserClickedToFocusPart 100
 112
 113
 114 /* kmUPClickScrollDelayTicks is a time measurement in ticks used to
 115     slow the speed of 'auto scrolling' inside of our clickloop routine.
 116     This value prevents the text from wizzzzzing by while the mouse
 117     is being held down inside of the text area. */
 118 #define kmUPClickScrollDelayTicks 3
 119
 120
 121 /* STPTextPaneVars is a structure used for storing the the mUP Control's
 122     internal variables and state information.  A handle to this record is
 123     stored in the pane control's reference value field using the
 124     SetControlReference routine. */
 125
 126 typedef struct {
 127         /* OS records referenced */
 128     TXNObject fTXNRec; /* the txn record */
 129     TXNFrameID fTXNFrame; /* the txn frame ID */
 130     ControlHandle fUserPaneRec;  /* handle to the user pane control */
 131     WindowPtr fOwner; /* window containing control */
 132     GrafPtr fDrawingEnvironment; /* grafport where control is drawn */
 133         /* flags */
 134     Boolean fInFocus; /* true while the focus rect is drawn around the control */
 135     Boolean fIsActive; /* true while the control is drawn in the active state */
 136     Boolean fTEActive; /* reflects the activation state of the text edit record */
 137     Boolean fInDialogWindow; /* true if displayed in a dialog window */
 138         /* calculated locations */
 139     Rect fRTextArea; /* area where the text is drawn */
 140     Rect fRFocusOutline;  /* rectangle used to draw the focus box */
 141     Rect fRTextOutline; /* rectangle used to draw the border */
 142     RgnHandle fTextBackgroundRgn; /* background region for the text, erased before calling TEUpdate */
 143         /* our focus advance override routine */
 144     EventHandlerUPP handlerUPP;
 145     EventHandlerRef handlerRef;
 146     bool fMultiline ;
 147 } STPTextPaneVars;
 148
 149
 150
 151
 152 /* Univerals Procedure Pointer variables used by the
 153     mUP Control.  These variables are set up
 154     the first time that mUPOpenControl is called. */
 155 ControlUserPaneDrawUPP gTPDrawProc = NULL;
 156 ControlUserPaneHitTestUPP gTPHitProc = NULL;
 157 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
 158 ControlUserPaneIdleUPP gTPIdleProc = NULL;
 159 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
 160 ControlUserPaneActivateUPP gTPActivateProc = NULL;
 161 ControlUserPaneFocusUPP gTPFocusProc = NULL;
 162
 163 /* TPActivatePaneText activates or deactivates the text edit record
 164     according to the value of setActive.  The primary purpose of this
 165     routine is to ensure each call is only made once. */
 166 static void TPActivatePaneText(STPTextPaneVars **tpvars, Boolean setActive) {
 167     STPTextPaneVars *varsp;
 168     varsp = *tpvars;
 169     if (varsp->fTEActive != setActive) {
 170
 171         varsp->fTEActive = setActive;
 172
 173         TXNActivate(varsp->fTXNRec, varsp->fTXNFrame, varsp->fTEActive);
 174
 175         if (varsp->fInFocus)
 176             TXNFocus( varsp->fTXNRec, varsp->fTEActive);
 177     }
 178 }
 179
 180
 181 /* TPFocusPaneText set the focus state for the text record. */
 182 static void TPFocusPaneText(STPTextPaneVars **tpvars, Boolean setFocus) {
 183     STPTextPaneVars *varsp;
 184     varsp = *tpvars;
 185     if (varsp->fInFocus != setFocus) {
 186         varsp->fInFocus = setFocus;
 187         TXNFocus( varsp->fTXNRec, varsp->fInFocus);
 188     }
 189 }
 190
 191
 192 /* TPPaneDrawProc is called to redraw the control and for update events
 193     referring to the control.  This routine erases the text area's background,
 194     and redraws the text.  This routine assumes the scroll bar has been
 195     redrawn by a call to DrawControls. */
 196 static pascal void TPPaneDrawProc(ControlRef theControl, ControlPartCode thePart) {
 197     STPTextPaneVars **tpvars, *varsp;
 198     char state;
 199     Rect bounds;
 200         /* set up our globals */
 201
 202     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 203     if (tpvars != NULL) {
 204         state = HGetState((Handle) tpvars);
 205         HLock((Handle) tpvars);
 206         varsp = *tpvars;
 207
 208             /* save the drawing state */
 209         SetPort((**tpvars).fDrawingEnvironment);
 210            /* verify our boundary */
 211         GetControlBounds(theControl, &bounds);
 212
 213         wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 214         if ( ! EqualRect(&bounds, &varsp->fRFocusOutline) ) {
 215             // scrollbar is on the border, we add one
 216             Rect oldbounds = varsp->fRFocusOutline ;
 217             InsetRect( &oldbounds , -1 , -1 ) ;
 218
 219             if ( IsControlVisible( theControl ) )
 220                 InvalWindowRect( GetControlOwner( theControl ) , &oldbounds ) ;
 221             SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 222             SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 223             SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
 224                 bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
 225             RectRgn(varsp->fTextBackgroundRgn, &varsp->fRTextOutline);
 226             if ( IsControlVisible( theControl ) )
 227                 TXNSetFrameBounds(  varsp->fTXNRec, varsp->fRTextArea.top, varsp->fRTextArea.left,
 228                     varsp->fRTextArea.bottom, varsp->fRTextArea.right, varsp->fTXNFrame);
 229             else
 230                 TXNSetFrameBounds(  varsp->fTXNRec, varsp->fRTextArea.top + 30000 , varsp->fRTextArea.left + 30000 ,
 231                     varsp->fRTextArea.bottom + 30000 , varsp->fRTextArea.right + 30000 , varsp->fTXNFrame);
 232
 233         }
 234
 235         if ( IsControlVisible( theControl ) )
 236         {
 237             /* update the text region */
 238             RGBColor white = { 65535 , 65535 , 65535 } ;
 239             RGBBackColor( &white ) ;
 240             EraseRgn(varsp->fTextBackgroundRgn);
 241             TXNDraw(varsp->fTXNRec, NULL);
 242                 /* restore the drawing environment */
 243                 /* draw the text frame and focus frame (if necessary) */
 244             DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 245             if ((**tpvars).fIsActive && varsp->fInFocus)
 246                 DrawThemeFocusRect(&varsp->fRFocusOutline, true);
 247                 /* release our globals */
 248             HSetState((Handle) tpvars, state);
 249         }
 250     }
 251 }
 252
 253
 254 /* TPPaneHitTestProc is called when the control manager would
 255     like to determine what part of the control the mouse resides over.
 256     We also call this routine from our tracking proc to determine how
 257     to handle mouse clicks. */
 258 static pascal ControlPartCode TPPaneHitTestProc(ControlHandle theControl, Point where) {
 259     STPTextPaneVars **tpvars;
 260     ControlPartCode result;
 261     char state;
 262         /* set up our locals and lock down our globals*/
 263     result = 0;
 264     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 265     if (tpvars != NULL && IsControlVisible( theControl) ) {
 266         state = HGetState((Handle) tpvars);
 267         HLock((Handle) tpvars);
 268             /* find the region where we clicked */
 269         if (PtInRect(where, &(**tpvars).fRTextArea)) {
 270             result = kmUPTextPart;
 271         } else result = 0;
 272             /* release oure globals */
 273         HSetState((Handle) tpvars, state);
 274     }
 275     return result;
 276 }
 277
 278
 279
 280
 281
 282 /* TPPaneTrackingProc is called when the mouse is being held down
 283     over our control.  This routine handles clicks in the text area
 284     and in the scroll bar. */
 285 static pascal ControlPartCode TPPaneTrackingProc(ControlHandle theControl, Point startPt, ControlActionUPP actionProc) {
 286     STPTextPaneVars **tpvars, *varsp;
 287     char state;
 288     ControlPartCode partCodeResult;
 289         /* make sure we have some variables... */
 290     partCodeResult = 0;
 291     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 292     if (tpvars != NULL && IsControlVisible( theControl ) ) {
 293             /* lock 'em down */
 294         state = HGetState((Handle) tpvars);
 295         HLock((Handle) tpvars);
 296         varsp = *tpvars;
 297             /* we don't do any of these functions unless we're in focus */
 298         if ( ! varsp->fInFocus) {
 299             WindowPtr owner;
 300             owner = GetControlOwner(theControl);
 301             ClearKeyboardFocus(owner);
 302             SetKeyboardFocus(owner, theControl, kUserClickedToFocusPart);
 303         }
 304             /* find the location for the click */
 305         switch (TPPaneHitTestProc(theControl, startPt)) {
 306
 307                 /* handle clicks in the text part */
 308             case kmUPTextPart:
 309                 {   SetPort((**tpvars).fDrawingEnvironment);
 310                     wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 311 #if !TARGET_CARBON
 312                     TXNClick( varsp->fTXNRec, (const EventRecord*) wxTheApp->MacGetCurrentEvent());
 313 #else
 314                     EventRecord rec ;
 315                     ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
 316                     TXNClick( varsp->fTXNRec, &rec );
 317 #endif
 318                 }
 319                 break;
 320
 321         }
 322
 323         HSetState((Handle) tpvars, state);
 324     }
 325     return partCodeResult;
 326 }
 327
 328
 329 /* TPPaneIdleProc is our user pane idle routine.  When our text field
 330     is active and in focus, we use this routine to set the cursor. */
 331 static pascal void TPPaneIdleProc(ControlHandle theControl) {
 332     STPTextPaneVars **tpvars, *varsp;
 333         /* set up locals */
 334     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 335     if (tpvars != NULL && IsControlVisible( theControl ) ) {
 336             /* if we're not active, then we have nothing to say about the cursor */
 337         if ((**tpvars).fIsActive) {
 338             char state;
 339             Rect bounds;
 340             Point mousep;
 341                 /* lock down the globals */
 342             state = HGetState((Handle) tpvars);
 343             HLock((Handle) tpvars);
 344             varsp = *tpvars;
 345                 /* get the current mouse coordinates (in our window) */
 346             SetPortWindowPort(GetControlOwner(theControl));
 347             wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 348             GetMouse(&mousep);
 349                 /* there's a 'focus thing' and an 'unfocused thing' */
 350             if (varsp->fInFocus) {
 351                     /* flash the cursor */
 352                 SetPort((**tpvars).fDrawingEnvironment);
 353                 TXNIdle(varsp->fTXNRec);
 354                 /* set the cursor */
 355                 if (PtInRect(mousep, &varsp->fRTextArea)) {
 356                     RgnHandle theRgn;
 357                     RectRgn((theRgn = NewRgn()), &varsp->fRTextArea);
 358                     TXNAdjustCursor(varsp->fTXNRec, theRgn);
 359                     DisposeRgn(theRgn);
 360                  }
 361                  else
 362                  {
 363                  // SetThemeCursor(kThemeArrowCursor);
 364                  }
 365             } else {
 366                 /* if it's in our bounds, set the cursor */
 367                 GetControlBounds(theControl, &bounds);
 368                 if (PtInRect(mousep, &bounds))
 369                 {
 370                 //    SetThemeCursor(kThemeArrowCursor);
 371                 }
 372             }
 373
 374             HSetState((Handle) tpvars, state);
 375         }
 376     }
 377 }
 378
 379
 380 /* TPPaneKeyDownProc is called whenever a keydown event is directed
 381     at our control.  Here, we direct the keydown event to the text
 382     edit record and redraw the scroll bar and text field as appropriate. */
 383 static pascal ControlPartCode TPPaneKeyDownProc(ControlHandle theControl,
 384                             SInt16 keyCode, SInt16 charCode, SInt16 modifiers) {
 385     STPTextPaneVars **tpvars;
 386     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 387     if (tpvars != NULL) {
 388         if ((**tpvars).fInFocus) {
 389                 /* turn autoscrolling on and send the key event to text edit */
 390             SetPort((**tpvars).fDrawingEnvironment);
 391             wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 392             EventRecord ev ;
 393             memset( &ev , 0 , sizeof( ev ) ) ;
 394             ev.what = keyDown ;
 395             ev.modifiers = modifiers ;
 396             ev.message = (( keyCode << 8 ) & keyCodeMask ) + ( charCode & charCodeMask ) ;
 397             TXNKeyDown( (**tpvars).fTXNRec, &ev);
 398         }
 399     }
 400     return kControlEntireControl;
 401 }
 402
 403
 404 /* TPPaneActivateProc is called when the window containing
 405     the user pane control receives activate events. Here, we redraw
 406     the control and it's text as necessary for the activation state. */
 407 static pascal void TPPaneActivateProc(ControlHandle theControl, Boolean activating) {
 408     Rect bounds;
 409     STPTextPaneVars **tpvars, *varsp;
 410     char state;
 411         /* set up locals */
 412     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 413     if (tpvars != NULL) {
 414         state = HGetState((Handle) tpvars);
 415         HLock((Handle) tpvars);
 416         varsp = *tpvars;
 417             /* de/activate the text edit record */
 418         SetPort((**tpvars).fDrawingEnvironment);
 419         wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 420         GetControlBounds(theControl, &bounds);
 421         varsp->fIsActive = activating;
 422         TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 423             /* redraw the frame */
 424         if ( IsControlVisible( theControl ) )
 425         {
 426             DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 427             if (varsp->fInFocus)
 428                 DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive);
 429         }
 430         HSetState((Handle) tpvars, state);
 431     }
 432 }
 433
 434
 435 /* TPPaneFocusProc is called when every the focus changes to or
 436     from our control.  Herein, switch the focus appropriately
 437     according to the parameters and redraw the control as
 438     necessary.  */
 439 static pascal ControlPartCode TPPaneFocusProc(ControlHandle theControl, ControlFocusPart action) {
 440     ControlPartCode focusResult;
 441     STPTextPaneVars **tpvars, *varsp;
 442     char state;
 443         /* set up locals */
 444     focusResult = kControlFocusNoPart;
 445     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 446     if (tpvars != NULL ) {
 447         state = HGetState((Handle) tpvars);
 448         HLock((Handle) tpvars);
 449         varsp = *tpvars;
 450             /* if kControlFocusPrevPart and kControlFocusNextPart are received when the user is
 451             tabbing forwards (or shift tabbing backwards) through the items in the dialog,
 452             and kControlFocusNextPart will be received.  When the user clicks in our field
 453             and it is not the current focus, then the constant kUserClickedToFocusPart will
 454             be received.  The constant kControlFocusNoPart will be received when our control
 455             is the current focus and the user clicks in another control.  In your focus routine,
 456             you should respond to these codes as follows:
 457
 458             kControlFocusNoPart - turn off focus and return kControlFocusNoPart.  redraw
 459                 the control and the focus rectangle as necessary.
 460
 461             kControlFocusPrevPart or kControlFocusNextPart - toggle focus on or off
 462                 depending on its current state.  redraw the control and the focus rectangle
 463                 as appropriate for the new focus state.  If the focus state is 'off', return the constant
 464                 kControlFocusNoPart, otherwise return a non-zero part code.
 465             kUserClickedToFocusPart - is a constant defined for this example.  You should
 466                 define your own value for handling click-to-focus type events. */
 467              /* calculate the next highlight state */
 468         switch (action) {
 469             default:
 470             case kControlFocusNoPart:
 471                 TPFocusPaneText(tpvars, false);
 472                 focusResult = kControlFocusNoPart;
 473                 break;
 474             case kUserClickedToFocusPart:
 475                 TPFocusPaneText(tpvars, true);
 476                 focusResult = 1;
 477                 break;
 478             case kControlFocusPrevPart:
 479             case kControlFocusNextPart:
 480                 TPFocusPaneText(tpvars, ( ! varsp->fInFocus));
 481                 focusResult = varsp->fInFocus ? 1 : kControlFocusNoPart;
 482                 break;
 483         }
 484         TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 485         /* redraw the text fram and focus rectangle to indicate the
 486         new focus state */
 487         if ( IsControlVisible( theControl ) )
 488         {
 489            /* save the drawing state */
 490             SetPort((**tpvars).fDrawingEnvironment);
 491             wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 492             DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 493             DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive && varsp->fInFocus);
 494         }
 495             /* done */
 496         HSetState((Handle) tpvars, state);
 497     }
 498     return focusResult;
 499 }
 500
 501
 502 /* mUPOpenControl initializes a user pane control so it will be drawn
 503     and will behave as a scrolling text edit field inside of a window.
 504     This routine performs all of the initialization steps necessary,
 505     except it does not create the user pane control itself.  theControl
 506     should refer to a user pane control that you have either created
 507     yourself or extracted from a dialog's control heirarchy using
 508     the GetDialogItemAsControl routine.  */
 509 OSStatus mUPOpenControl(ControlHandle theControl, long wxStyle )
 510 {
 511     Rect bounds;
 512     WindowRef theWindow;
 513     STPTextPaneVars **tpvars, *varsp;
 514     OSStatus err = noErr ;
 515     RGBColor rgbWhite = {0xFFFF, 0xFFFF, 0xFFFF};
 516     TXNBackground tback;
 517
 518         /* set up our globals */
 519     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(TPPaneDrawProc);
 520     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(TPPaneHitTestProc);
 521     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(TPPaneTrackingProc);
 522     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(TPPaneIdleProc);
 523     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(TPPaneKeyDownProc);
 524     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(TPPaneActivateProc);
 525     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(TPPaneFocusProc);
 526
 527         /* allocate our private storage */
 528     tpvars = (STPTextPaneVars **) NewHandleClear(sizeof(STPTextPaneVars));
 529     SetControlReference(theControl, (long) tpvars);
 530     HLock((Handle) tpvars);
 531     varsp = *tpvars;
 532         /* set the initial settings for our private data */
 533     varsp->fMultiline = wxStyle & wxTE_MULTILINE ;
 534     varsp->fInFocus = false;
 535     varsp->fIsActive = true;
 536     varsp->fTEActive = true; // in order to get a deactivate
 537     varsp->fUserPaneRec = theControl;
 538     theWindow = varsp->fOwner = GetControlOwner(theControl);
 539
 540     varsp->fDrawingEnvironment = (GrafPtr)  GetWindowPort(theWindow);
 541
 542     varsp->fInDialogWindow = ( GetWindowKind(varsp->fOwner) == kDialogWindowKind );
 543         /* set up the user pane procedures */
 544     SetControlData(theControl, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
 545     SetControlData(theControl, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
 546     SetControlData(theControl, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
 547     SetControlData(theControl, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
 548     SetControlData(theControl, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
 549     SetControlData(theControl, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
 550     SetControlData(theControl, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
 551         /* calculate the rectangles used by the control */
 552     GetControlBounds(theControl, &bounds);
 553     SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 554     SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 555     SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
 556         bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
 557         /* calculate the background region for the text.  In this case, it's kindof
 558         and irregular region because we're setting the scroll bar a little ways inside
 559         of the text area. */
 560     RectRgn((varsp->fTextBackgroundRgn = NewRgn()), &varsp->fRTextOutline);
 561
 562         /* set up the drawing environment */
 563     SetPort(varsp->fDrawingEnvironment);
 564
 565         /* create the new edit field */
 566
 567     TXNFrameOptions frameOptions =
 568         kTXNDontDrawCaretWhenInactiveMask ;
 569     if ( ! ( wxStyle & wxTE_NOHIDESEL ) )
 570         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
 571
 572     if ( wxStyle & wxTE_MULTILINE )
 573     {
 574         if ( ! ( wxStyle & wxTE_DONTWRAP ) )
 575             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 576         else
 577         {
 578             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 579             frameOptions |= kTXNWantHScrollBarMask ;
 580         }
 581
 582         if ( !(wxStyle & wxTE_NO_VSCROLL ) )
 583             frameOptions |= kTXNWantVScrollBarMask ;
 584     }
 585     else
 586         frameOptions |= kTXNSingleLineOnlyMask ;
 587
 588     if ( wxStyle & wxTE_READONLY )
 589         frameOptions |= kTXNReadOnlyMask ;
 590
 591     TXNNewObject(NULL, varsp->fOwner, &varsp->fRTextArea,
 592         frameOptions ,
 593         kTXNTextEditStyleFrameType,
 594         kTXNTextensionFile,
 595         kTXNSystemDefaultEncoding,
 596         &varsp->fTXNRec, &varsp->fTXNFrame, (TXNObjectRefcon) tpvars);
 597
 598     if ( !IsControlVisible( theControl ) )
 599         TXNSetFrameBounds(  varsp->fTXNRec, varsp->fRTextArea.top + 30000 , varsp->fRTextArea.left + 30000 ,
 600             varsp->fRTextArea.bottom + 30000 , varsp->fRTextArea.right + 30000 , varsp->fTXNFrame);
 601
 602
 603     if ( (wxStyle & wxTE_MULTILINE) && (wxStyle & wxTE_DONTWRAP) )
 604     {
 605         TXNControlTag tag = kTXNWordWrapStateTag ;
 606         TXNControlData dat ;
 607         dat.uValue = kTXNNoAutoWrap ;
 608         TXNSetTXNObjectControls( varsp->fTXNRec , false , 1 , &tag , &dat ) ;
 609     }
 610         Str255 fontName ;
 611         SInt16 fontSize ;
 612         Style fontStyle ;
 613
 614         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 615
 616         TXNTypeAttributes typeAttr[] =
 617         {
 618             {   kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 619             {   kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 620             {   kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , {  (void*) normal } } ,
 621         } ;
 622
 623     err = TXNSetTypeAttributes (varsp->fTXNRec, sizeof( typeAttr ) / sizeof(TXNTypeAttributes) , typeAttr,
 624           kTXNStartOffset,
 625           kTXNEndOffset);
 626         /* set the field's background */
 627
 628     tback.bgType = kTXNBackgroundTypeRGB;
 629     tback.bg.color = rgbWhite;
 630     TXNSetBackground( varsp->fTXNRec, &tback);
 631
 632         /* unlock our storage */
 633     HUnlock((Handle) tpvars);
 634         /* perform final activations and setup for our text field.  Here,
 635         we assume that the window is going to be the 'active' window. */
 636     TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 637         /* all done */
 638     return err;
 639 }
 640
 641
 642
 643
 644 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 645
 646 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 647     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 648     EVT_CHAR(wxTextCtrl::OnChar)
 649     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 650     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 651     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 652     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 653     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 654
 655     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 656     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 657     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 658     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 659     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 660 END_EVENT_TABLE()
 661
 662 static void SetTXNData( TXNObject txn , const wxString& st , TXNOffset start , TXNOffset end )
 663 {
 664 #if wxUSE_UNICODE
 665 #if SIZEOF_WCHAR_T == 2
 666     size_t len = st.Len() ;
 667     TXNSetData( txn , kTXNUnicodeTextData,  (void*)st.wc_str(), len * 2,
 668       start, end);
 669 #else
 670     wxMBConvUTF16BE converter ;
 671     ByteCount byteBufferLen = converter.WC2MB( NULL , st.wc_str() , 0 ) ;
 672     UniChar *unibuf = (UniChar*) malloc(byteBufferLen) ;
 673     converter.WC2MB( (char*) unibuf , st.wc_str() , byteBufferLen ) ;
 674     TXNSetData( txn , kTXNUnicodeTextData,  (void*)unibuf, byteBufferLen ,
 675       start, end);
 676     free( unibuf ) ;
 677 #endif
 678 #else
 679     wxCharBuffer text =  st.mb_str(wxConvLocal)  ;
 680     TXNSetData( txn , kTXNTextData,  (void*)text.data(), strlen( text ) ,
 681       start, end);
 682 #endif
 683 }
 684
 685 // Text item
 686 void wxTextCtrl::Init()
 687 {
 688   m_macTE = NULL ;
 689   m_macTXN = NULL ;
 690   m_macTXNvars = NULL ;
 691   m_macUsesTXN = false ;
 692
 693   m_editable = true ;
 694   m_dirty = false;
 695
 696   m_maxLength = TE_UNLIMITED_LENGTH ;
 697 }
 698
 699 wxTextCtrl::~wxTextCtrl()
 700 {
 701     if ( m_macUsesTXN )
 702     {
 703         SetControlReference((ControlHandle)m_macControl, 0) ;
 704         TXNDeleteObject((TXNObject)m_macTXN);
 705         /* delete our private storage */
 706         DisposeHandle((Handle) m_macTXNvars);
 707         /* zero the control reference */
 708     }
 709 }
 710
 711 const short kVerticalMargin = 2 ;
 712 const short kHorizontalMargin = 2 ;
 713
 714 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
 715            const wxString& str,
 716            const wxPoint& pos,
 717            const wxSize& size, long style,
 718            const wxValidator& validator,
 719            const wxString& name)
 720 {
 721     m_macTE = NULL ;
 722     m_macTXN = NULL ;
 723     m_macTXNvars = NULL ;
 724     m_macUsesTXN = false ;
 725     m_editable = true ;
 726
 727     m_macUsesTXN = ! (style & wxTE_PASSWORD ) ;
 728
 729     m_macUsesTXN &= (TXNInitTextension != (void*) kUnresolvedCFragSymbolAddress) ;
 730
 731     // base initialization
 732     if ( !wxTextCtrlBase::Create(parent, id, pos, size, style & ~(wxHSCROLL|wxVSCROLL), validator, name) )
 733         return false;
 734
 735     wxSize mySize = size ;
 736     if ( m_macUsesTXN )
 737     {
 738         m_macHorizontalBorder = 5 ; // additional pixels around the real control
 739         m_macVerticalBorder = 3 ;
 740     }
 741     else
 742     {
 743         m_macHorizontalBorder = 5 ; // additional pixels around the real control
 744         m_macVerticalBorder = 5 ;
 745     }
 746
 747
 748     Rect bounds ;
 749     Str255 title ;
 750     /*
 751     if ( mySize.y == -1 )
 752     {
 753         mySize.y = 13 ;
 754         if ( m_windowStyle & wxTE_MULTILINE )
 755             mySize.y *= 5 ;
 756
 757         mySize.y += 2 * m_macVerticalBorder ;
 758     }
 759     */
 760     MacPreControlCreate( parent , id ,  wxEmptyString , pos , mySize ,style, validator , name , &bounds , title ) ;
 761
 762     if ( m_windowStyle & wxTE_MULTILINE )
 763     {
 764         wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
 765                       wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
 766
 767         m_windowStyle |= wxTE_PROCESS_ENTER;
 768     }
 769
 770     if ( m_windowStyle & wxTE_READONLY)
 771     {
 772         m_editable = false ;
 773     }
 774
 775     wxString st = str ;
 776     wxMacConvertNewlines13To10( &st ) ;
 777     if ( !m_macUsesTXN )
 778     {
 779         m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , "\p" , false , 0 , 0 , 1,
 780             (style & wxTE_PASSWORD) ? kControlEditTextPasswordProc : kControlEditTextProc , (long) this ) ;
 781         long size ;
 782         ::GetControlData((ControlHandle)  m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*)((TEHandle *)&m_macTE) , &size ) ;
 783
 784     }
 785     else
 786     {
 787         short featurSet;
 788
 789         featurSet = kControlSupportsEmbedding | kControlSupportsFocus  | kControlWantsIdle
 790                 | kControlWantsActivate | kControlHandlesTracking | kControlHasSpecialBackground
 791                 | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
 792             /* create the control */
 793         m_macControl = (WXWidget) ::NewControl(MAC_WXHWND(parent->MacGetRootWindow()), &bounds, "\p", false , featurSet, 0, featurSet, kControlUserPaneProc, 0);
 794             /* set up the mUP specific features and data */
 795         mUPOpenControl((ControlHandle) m_macControl, m_windowStyle );
 796     }
 797     MacPostControlCreate() ;
 798
 799     if ( !m_macUsesTXN )
 800     {
 801         wxCharBuffer text = st.mb_str(wxConvLocal) ;
 802         ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , strlen(text) , text ) ;
 803     }
 804     else
 805     {
 806         STPTextPaneVars **tpvars;
 807             /* set up locals */
 808         tpvars = (STPTextPaneVars **) GetControlReference((ControlHandle) m_macControl);
 809             /* set the text in the record */
 810         m_macTXN =  (**tpvars).fTXNRec ;
 811         SetTXNData( (TXNObject) m_macTXN , st , kTXNStartOffset, kTXNEndOffset ) ;
 812         m_macTXNvars = tpvars ;
 813         m_macUsesTXN = true ;
 814         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 815         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 816     }
 817
 818     return true;
 819 }
 820
 821 wxString wxTextCtrl::GetValue() const
 822 {
 823     Size actualSize = 0;
 824     wxString result ;
 825     OSStatus err ;
 826     if ( !m_macUsesTXN )
 827     {
 828         err = ::GetControlDataSize((ControlHandle) m_macControl, 0,
 829             ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag, &actualSize ) ;
 830
 831         if ( err )
 832             return wxEmptyString ;
 833
 834         if ( actualSize > 0 )
 835         {
 836             wxCharBuffer buf(actualSize) ;
 837             ::GetControlData( (ControlHandle) m_macControl, 0,
 838                 ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag,
 839                 actualSize , buf.data() , &actualSize ) ;
 840             result = wxString( buf , wxConvLocal) ;
 841         }
 842     }
 843     else
 844     {
 845 #if wxUSE_UNICODE
 846         Handle theText ;
 847         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNUnicodeTextData );
 848         // all done
 849         if ( err )
 850         {
 851             actualSize = 0 ;
 852         }
 853         else
 854         {
 855             actualSize = GetHandleSize( theText ) / sizeof( UniChar) ;
 856             if ( actualSize > 0 )
 857             {
 858                 wxChar *ptr = result.GetWriteBuf(actualSize*sizeof(wxChar)) ;
 859 #if SIZEOF_WCHAR_T == 2
 860                 wxStrncpy( ptr , (wxChar*) *theText , actualSize ) ;
 861 #else
 862                 wxMBConvUTF16BE converter ;
 863                 HLock( theText ) ;
 864                 converter.MB2WC( ptr , (const char*)*theText , actualSize ) ;
 865                 HUnlock( theText ) ;
 866 #endif
 867                 ptr[actualSize] = 0 ;
 868                 result.UngetWriteBuf( actualSize *sizeof(wxChar) ) ;
 869             }
 870             DisposeHandle( theText ) ;
 871         }
 872 #else
 873         Handle theText ;
 874         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
 875         // all done
 876         if ( err )
 877         {
 878             actualSize = 0 ;
 879         }
 880         else
 881         {
 882             actualSize = GetHandleSize( theText ) ;
 883             if ( actualSize > 0 )
 884             {
 885                 HLock( theText ) ;
 886                 result = wxString( *theText , wxConvLocal , actualSize ) ;
 887                 HUnlock( theText ) ;
 888             }
 889             DisposeHandle( theText ) ;
 890         }
 891 #endif
 892     }
 893     wxMacConvertNewlines10To13( &result ) ;
 894     return result ;
 895 }
 896
 897 void wxTextCtrl::GetSelection(long* from, long* to) const
 898 {
 899   if ( !m_macUsesTXN )
 900   {
 901     *from = (**((TEHandle) m_macTE)).selStart;
 902     *to = (**((TEHandle) m_macTE)).selEnd;
 903    }
 904    else
 905    {
 906         TXNGetSelection( (TXNObject) m_macTXN , (TXNOffset*) from , (TXNOffset*) to ) ;
 907    }
 908 }
 909
 910 void wxTextCtrl::SetValue(const wxString& str)
 911 {
 912     wxString st = str ;
 913     wxMacConvertNewlines13To10( &st ) ;
 914     if ( !m_macUsesTXN )
 915     {
 916         wxCharBuffer text =  st.mb_str(wxConvLocal) ;
 917         ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , strlen(text) , text ) ;
 918     }
 919     else
 920     {
 921         bool formerEditable = m_editable ;
 922         if ( !formerEditable )
 923             SetEditable(true) ;
 924         SetTXNData( (TXNObject) m_macTXN , st , kTXNStartOffset, kTXNEndOffset ) ;
 925         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 926         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 927         if ( !formerEditable )
 928             SetEditable(formerEditable) ;
 929     }
 930     MacRedrawControl() ;
 931 }
 932
 933 void wxTextCtrl::SetMaxLength(unsigned long len)
 934 {
 935     m_maxLength = len ;
 936 }
 937
 938 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 939 {
 940     if ( m_macUsesTXN )
 941     {
 942         bool formerEditable = m_editable ;
 943         if ( !formerEditable )
 944             SetEditable(true) ;
 945         TXNTypeAttributes typeAttr[4] ;
 946         Str255 fontName = "\pMonaco" ;
 947         SInt16 fontSize = 12 ;
 948         Style fontStyle = normal ;
 949         RGBColor color ;
 950         int attrCounter = 0 ;
 951         if ( style.HasFont() )
 952         {
 953             const wxFont &font = style.GetFont() ;
 954             wxMacStringToPascal( font.GetFaceName() , fontName ) ;
 955             fontSize = font.GetPointSize() ;
 956             if ( font.GetUnderlined() )
 957                 fontStyle |= underline ;
 958             if ( font.GetWeight() == wxBOLD )
 959                 fontStyle |= bold ;
 960             if ( font.GetStyle() == wxITALIC )
 961                 fontStyle |= italic ;
 962
 963             typeAttr[attrCounter].tag = kTXNQDFontNameAttribute ;
 964             typeAttr[attrCounter].size = kTXNQDFontNameAttributeSize ;
 965             typeAttr[attrCounter].data.dataPtr = (void*) fontName ;
 966             typeAttr[attrCounter+1].tag = kTXNQDFontSizeAttribute ;
 967             typeAttr[attrCounter+1].size = kTXNFontSizeAttributeSize ;
 968             typeAttr[attrCounter+1].data.dataValue =  (fontSize << 16) ;
 969             typeAttr[attrCounter+2].tag = kTXNQDFontStyleAttribute ;
 970             typeAttr[attrCounter+2].size = kTXNQDFontStyleAttributeSize ;
 971             typeAttr[attrCounter+2].data.dataValue = fontStyle ;
 972             attrCounter += 3 ;
 973
 974         }
 975         if ( style.HasTextColour() )
 976         {
 977             typeAttr[attrCounter].tag = kTXNQDFontColorAttribute ;
 978             typeAttr[attrCounter].size = kTXNQDFontColorAttributeSize ;
 979             typeAttr[attrCounter].data.dataPtr = (void*) &color ;
 980             color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
 981             attrCounter += 1 ;
 982         }
 983
 984         if ( attrCounter > 0 )
 985         {
 986 #ifdef __WXDEBUG__
 987             OSStatus status =
 988 #endif // __WXDEBUG__
 989                 TXNSetTypeAttributes ((TXNObject)m_macTXN, attrCounter , typeAttr, start,end);
 990             wxASSERT_MSG( status == noErr , wxT("Couldn't set text attributes") ) ;
 991         }
 992         if ( !formerEditable )
 993             SetEditable(formerEditable) ;
 994     }
 995     return true ;
 996 }
 997
 998 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 999 {
1000     wxTextCtrlBase::SetDefaultStyle( style ) ;
1001     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
1002     return true ;
1003 }
1004
1005 // Clipboard operations
1006 void wxTextCtrl::Copy()
1007 {
1008     if (CanCopy())
1009     {
1010       if ( !m_macUsesTXN )
1011       {
1012             TECopy( ((TEHandle) m_macTE) ) ;
1013             ClearCurrentScrap();
1014             TEToScrap() ;
1015             MacRedrawControl() ;
1016         }
1017         else
1018         {
1019             ClearCurrentScrap();
1020             TXNCopy((TXNObject)m_macTXN);
1021             TXNConvertToPublicScrap();
1022         }
1023     }
1024 }
1025
1026 void wxTextCtrl::Cut()
1027 {
1028     if (CanCut())
1029     {
1030         if ( !m_macUsesTXN )
1031         {
1032             TECut( ((TEHandle) m_macTE) ) ;
1033             ClearCurrentScrap();
1034             TEToScrap() ;
1035             MacRedrawControl() ;
1036         }
1037         else
1038         {
1039             ClearCurrentScrap();
1040             TXNCut((TXNObject)m_macTXN);
1041             TXNConvertToPublicScrap();
1042         }
1043         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1044         event.SetEventObject( this );
1045         GetEventHandler()->ProcessEvent(event);
1046       }
1047 }
1048
1049 void wxTextCtrl::Paste()
1050 {
1051     if (CanPaste())
1052     {
1053         if ( !m_macUsesTXN )
1054         {
1055             TEFromScrap() ;
1056             TEPaste( (TEHandle) m_macTE ) ;
1057             MacRedrawControl() ;
1058         }
1059         else
1060         {
1061             TXNConvertFromPublicScrap();
1062             TXNPaste((TXNObject)m_macTXN);
1063             SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
1064         }
1065         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
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     wxTextPos 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 wxTextPos 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 & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
1591 /*        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && 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 & wxTE_PROCESS_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 wxWidgets 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             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
1653             {
1654                 int flags = 0;
1655                 if (!event.ShiftDown())
1656                     flags |= wxNavigationKeyEvent::IsForward ;
1657                 if (event.ControlDown())
1658                     flags |= wxNavigationKeyEvent::WinChange ;
1659                 Navigate(flags);
1660                 return;
1661             }
1662             else
1663             {
1664                 // This is necessary (don't know why) or the tab will not
1665                 // be inserted.
1666                 WriteText(wxT("\t"));
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.SetEventObject( this );
1708         wxPostEvent(GetEventHandler(),event1);
1709     }
1710 }
1711
1712 void  wxTextCtrl::MacSuperShown( bool show )
1713 {
1714     bool former = m_macControlIsShown ;
1715     wxControl::MacSuperShown( show ) ;
1716     if ( (former != m_macControlIsShown) && m_macUsesTXN )
1717     {
1718         if ( m_macControlIsShown )
1719             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1720                 (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom,(**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1721         else
1722             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1723                (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1724     }
1725 }
1726
1727 bool  wxTextCtrl::Show(bool show)
1728 {
1729     bool former = m_macControlIsShown ;
1730
1731     bool retval = wxControl::Show( show ) ;
1732
1733     if ( former != m_macControlIsShown && m_macUsesTXN )
1734     {
1735         if ( m_macControlIsShown )
1736             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1737                 (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom,(**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1738         else
1739             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1740                (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1741     }
1742
1743     return retval ;
1744 }
1745
1746 // ----------------------------------------------------------------------------
1747 // standard handlers for standard edit menu events
1748 // ----------------------------------------------------------------------------
1749
1750 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1751 {
1752     Cut();
1753 }
1754
1755 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1756 {
1757     Copy();
1758 }
1759
1760 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1761 {
1762     Paste();
1763 }
1764
1765 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1766 {
1767     Undo();
1768 }
1769
1770 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1771 {
1772     Redo();
1773 }
1774
1775 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1776 {
1777     event.Enable( CanCut() );
1778 }
1779
1780 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1781 {
1782     event.Enable( CanCopy() );
1783 }
1784
1785 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1786 {
1787     event.Enable( CanPaste() );
1788 }
1789
1790 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1791 {
1792     event.Enable( CanUndo() );
1793 }
1794
1795 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1796 {
1797     event.Enable( CanRedo() );
1798 }
1799
1800 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1801 {
1802     if ( m_macUsesTXN )
1803         return true ;
1804     else
1805         return wxWindow::MacSetupCursor( pt ) ;
1806 }
1807
1808 #endif
1809     // wxUSE_TEXTCTRL