src/mac/carbon/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "textctrl.h"
  14 #endif
  15
  16 #include "wx/defs.h"
  17
  18 #if wxUSE_TEXTCTRL
  19
  20 #ifdef __DARWIN__
  21   #include <sys/types.h>
  22   #include <sys/stat.h>
  23 #else
  24   #include <stat.h>
  25 #endif
  26
  27 #include "wx/msgdlg.h"
  28
  29 #if wxUSE_STD_IOSTREAM
  30     #if wxUSE_IOSTREAMH
  31         #include <fstream.h>
  32     #else
  33         #include <fstream>
  34     #endif
  35 #endif
  36
  37 #include "wx/app.h"
  38 #include "wx/dc.h"
  39 #include "wx/button.h"
  40 #include "wx/toplevel.h"
  41 #include "wx/textctrl.h"
  42 #include "wx/notebook.h"
  43 #include "wx/tabctrl.h"
  44 #include "wx/settings.h"
  45 #include "wx/filefn.h"
  46 #include "wx/utils.h"
  47
  48 #if defined(__BORLANDC__) && !defined(__WIN32__)
  49   #include <alloc.h>
  50 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  51   #include <malloc.h>
  52 #endif
  53
  54 #ifndef __DARWIN__
  55 #include <Scrap.h>
  56 #endif
  57 #include <MacTextEditor.h>
  58 #include <ATSUnicode.h>
  59 #include <TextCommon.h>
  60 #include <TextEncodingConverter.h>
  61 #include "wx/mac/uma.h"
  62
  63 #define TE_UNLIMITED_LENGTH 0xFFFFFFFFUL
  64 #if TARGET_API_MAC_OSX
  65  #define wxMAC_USE_MLTE 0
  66  #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
  67  #define wxMAC_USE_MLTE_HIVIEW 1
  68  #else
  69  #define wxMAC_USE_MLTE_HIVIEW 0
  70  #endif
  71 #else
  72  // there is no unicodetextctrl on classic, and hopefully MLTE works better there
  73  #define wxMAC_USE_MLTE 1
  74  #define wxMAC_USE_MLTE_HIVIEW 0
  75 #endif
  76
  77 #if wxMAC_USE_MLTE
  78
  79 TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle )
  80 {
  81     TXNFrameOptions frameOptions =
  82         kTXNDontDrawCaretWhenInactiveMask ;
  83     if ( ! ( wxStyle & wxTE_NOHIDESEL ) )
  84         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
  85
  86     if ( wxStyle & wxTE_MULTILINE )
  87     {
  88         if ( ! ( wxStyle & wxTE_DONTWRAP ) )
  89             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
  90         else
  91         {
  92             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
  93             frameOptions |= kTXNWantHScrollBarMask ;
  94         }
  95
  96         if ( !(wxStyle & wxTE_NO_VSCROLL ) )
  97             frameOptions |= kTXNWantVScrollBarMask ;
  98     }
  99     else
 100         frameOptions |= kTXNSingleLineOnlyMask ;
 101     return frameOptions ;
 102 }
 103
 104 void AdjustAttributesFromWXStyle( TXNObject txn , long wxStyle , bool visible )
 105 {
 106     TXNControlTag iControlTags[3] = { kTXNDoFontSubstitution, kTXNWordWrapStateTag };
 107     TXNControlData iControlData[3] = { {false}, {kTXNNoAutoWrap} };
 108     int toptag = 2 ;
 109 #if TARGET_API_MAC_OSX
 110     iControlTags[2] = kTXNVisibilityTag ;
 111     iControlData[2].uValue = visible ;
 112     toptag++ ;
 113 #endif
 114
 115     if ( wxStyle & wxTE_MULTILINE )
 116     {
 117         if (wxStyle & wxTE_DONTWRAP)
 118             iControlData[1].uValue = kTXNNoAutoWrap ;
 119         else
 120             iControlData[1].uValue = kTXNAutoWrap ;
 121
 122     }
 123     verify_noerr( TXNSetTXNObjectControls( txn, false, toptag,
 124                                         iControlTags, iControlData )) ;
 125
 126     Str255 fontName ;
 127     SInt16 fontSize ;
 128     Style fontStyle ;
 129
 130     GetThemeFont(kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 131
 132     TXNTypeAttributes typeAttr[] =
 133     {
 134         {   kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 135         {   kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 136         {   kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , {  (void*) normal } } ,
 137     } ;
 138
 139     verify_noerr( TXNSetTypeAttributes (txn, sizeof( typeAttr ) / sizeof(TXNTypeAttributes) , typeAttr,
 140           kTXNStartOffset,
 141           kTXNEndOffset) );
 142
 143 }
 144
 145 #if !wxMAC_USE_MLTE_HIVIEW
 146
 147 // CS:TODO we still have a problem getting properly at the text events of a control because under Carbon
 148 // the MLTE engine registers itself for the key events thus the normal flow never occurs, the only measure for the
 149 // moment is to avoid setting the true focus on the control, the proper solution at the end would be to have
 150 // an alternate path for carbon key events that routes automatically into the same wx flow of events
 151
 152 /* part codes */
 153
 154 /* kmUPTextPart is the part code we return to indicate the user has clicked
 155     in the text area of our control */
 156 #define kmUPTextPart 1
 157
 158
 159 /* routines for using existing user pane controls.
 160     These routines are useful for cases where you would like to use an
 161     existing user pane control in, say, a dialog window as a scrolling
 162     text edit field.*/
 163
 164 /* Utility Routines */
 165
 166 /* kUserClickedToFocusPart is a part code we pass to the SetKeyboardFocus
 167     routine.  In our focus switching routine this part code is understood
 168     as meaning 'the user has clicked in the control and we need to switch
 169     the current focus to ourselves before we can continue'. */
 170 #define kUserClickedToFocusPart 100
 171
 172 /* STPTextPaneVars is a structure used for storing the the mUP Control's
 173     internal variables and state information.  A handle to this record is
 174     stored in the pane control's reference value field using the
 175     SetControlReference routine. */
 176
 177 typedef struct {
 178         /* OS records referenced */
 179     TXNObject fTXNRec; /* the txn record */
 180     TXNFrameID fTXNFrame; /* the txn frame ID */
 181     ControlRef fUserPaneRec;  /* handle to the user pane control */
 182     WindowPtr fOwner; /* window containing control */
 183     GrafPtr fDrawingEnvironment; /* grafport where control is drawn */
 184         /* flags */
 185     Boolean fInFocus; /* true while the focus rect is drawn around the control */
 186     Boolean fIsActive; /* true while the control is drawn in the active state */
 187     Boolean fTXNObjectActive; /* reflects the activation state of the text edit record */
 188         Boolean fFocusDrawState; /* true if focus is drawn (default: true) */
 189         /* calculated locations */
 190     Rect fRBounds; /* control bounds */
 191     Rect fRTextArea; /* area where the text is drawn */
 192     Rect fRFocusOutline;  /* rectangle used to draw the focus box */
 193     Rect fRTextOutline; /* rectangle used to draw the border */
 194     RgnHandle fRTextOutlineRegion; /* background region for the text, erased before calling TEUpdate */
 195         /* our focus advance override routine */
 196     EventHandlerUPP handlerUPP;
 197     EventHandlerRef handlerRef;
 198     bool fNoBorders ;
 199     bool fMultiline ;
 200     bool fVisible ;
 201 } STPTextPaneVars;
 202
 203 /* mUPOpenControl initializes a user pane control so it will be drawn
 204     and will behave as a scrolling text edit field inside of a window.
 205     This routine performs all of the initialization steps necessary,
 206     except it does not create the user pane control itself.  theControl
 207     should refer to a user pane control that you have either created
 208     yourself or extracted from a dialog's control heirarchy using
 209     the GetDialogItemAsControl routine.  */
 210 OSStatus mUPOpenControl(STPTextPaneVars* &handle, ControlRef theControl, long wxStyle);
 211
 212
 213
 214
 215 /* Univerals Procedure Pointer variables used by the
 216     mUP Control.  These variables are set up
 217     the first time that mUPOpenControl is called. */
 218 ControlUserPaneDrawUPP gTPDrawProc = NULL;
 219 ControlUserPaneHitTestUPP gTPHitProc = NULL;
 220 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
 221 ControlUserPaneIdleUPP gTPIdleProc = NULL;
 222 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
 223 ControlUserPaneActivateUPP gTPActivateProc = NULL;
 224 ControlUserPaneFocusUPP gTPFocusProc = NULL;
 225
 226 // one place for calculating all
 227 static void TPCalculateBounds(STPTextPaneVars *varsp, const Rect& bounds)
 228 {
 229     SetRect(&varsp->fRBounds, bounds.left, bounds.top, bounds.right, bounds.bottom);
 230     SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 231     // eventually make TextOutline inset 1,1
 232     SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 233     if ( !varsp->fNoBorders )
 234     {
 235         SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
 236         bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
 237     }
 238     else
 239     {
 240         SetRect(&varsp->fRTextArea, bounds.left , bounds.top ,
 241             bounds.right, bounds.bottom);
 242     }
 243 }
 244
 245 OSStatus MLTESetObjectVisibility( STPTextPaneVars *varsp, Boolean vis , long wxStyle)
 246 {
 247     OSStatus err = noErr ;
 248 #if TARGET_API_MAC_OSX
 249     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
 250     TXNControlData iControlData[1] = {{ vis }};
 251     err = ::TXNSetTXNObjectControls( varsp->fTXNRec, false, 1, iControlTags, iControlData );
 252 #endif
 253     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(varsp->fUserPaneRec);
 254     if ( vis && textctrl )
 255     {
 256         Rect bounds ;
 257         UMAGetControlBoundsInWindowCoords( varsp->fUserPaneRec, &bounds);
 258         TPCalculateBounds( varsp , bounds ) ;
 259         wxMacWindowClipper cl(textctrl) ;
 260         TXNSetFrameBounds( varsp->fTXNRec, varsp->fRTextArea.top, varsp->fRTextArea.left,
 261             varsp->fRTextArea.bottom, varsp->fRTextArea.right, varsp->fTXNFrame);
 262         TXNShowSelection( varsp->fTXNRec, kTXNShowStart);
 263     }
 264     return err ;
 265 }
 266
 267 // make sure we don't miss changes as carbon events are not available for these under classic
 268 static void TPUpdateVisibility(ControlRef theControl) {
 269     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(theControl);
 270     if ( textctrl == NULL )
 271         return ;
 272
 273     STPTextPaneVars *varsp = (STPTextPaneVars *) textctrl->m_macTXNvars ;
 274
 275     Rect bounds ;
 276     UMAGetControlBoundsInWindowCoords(theControl, &bounds);
 277     if ( textctrl->MacIsReallyShown() != varsp->fVisible )
 278     {
 279         // invalidate old position
 280         // InvalWindowRect( GetControlOwner( theControl ) , &varsp->fRBounds ) ;
 281         varsp->fVisible = textctrl->MacIsReallyShown() ;
 282     }
 283     if ( !EqualRect( &bounds , &varsp->fRBounds ) )
 284     {
 285         // old position
 286         Rect oldBounds = varsp->fRBounds ;
 287         TPCalculateBounds( varsp , bounds ) ;
 288         // we only recalculate when visible, otherwise scrollbars get drawn at incorrect places
 289         if ( varsp->fVisible )
 290         {
 291             wxMacWindowClipper cl(textctrl) ;
 292             TXNSetFrameBounds( varsp->fTXNRec, varsp->fRTextArea.top, varsp->fRTextArea.left,
 293                 varsp->fRTextArea.bottom, varsp->fRTextArea.right, varsp->fTXNFrame);
 294         }
 295         InvalWindowRect( GetControlOwner( theControl ) , &oldBounds ) ;
 296         InvalWindowRect( GetControlOwner( theControl ) , &varsp->fRBounds ) ;
 297     }
 298 }
 299
 300 // make correct activations
 301 static void TPActivatePaneText(STPTextPaneVars *varsp, Boolean setActive) {
 302
 303     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(varsp->fUserPaneRec);
 304     if (varsp->fTXNObjectActive != setActive && textctrl->MacIsReallyShown() )
 305     {
 306         varsp->fTXNObjectActive = setActive;
 307         TXNActivate(varsp->fTXNRec, varsp->fTXNFrame, varsp->fTXNObjectActive);
 308         if (varsp->fInFocus)
 309             TXNFocus( varsp->fTXNRec, varsp->fTXNObjectActive);
 310     }
 311 }
 312
 313 // update focus outlines
 314 static void TPRedrawFocusOutline(STPTextPaneVars *varsp) {
 315
 316     /* state changed */
 317         if (varsp->fFocusDrawState != (varsp->fIsActive && varsp->fInFocus))
 318         {
 319                 varsp->fFocusDrawState = (varsp->fIsActive && varsp->fInFocus);
 320                 DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fFocusDrawState);
 321         }
 322 }
 323
 324 // update TXN focus state
 325 static void TPFocusPaneText(STPTextPaneVars *varsp, Boolean setFocus) {
 326     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(varsp->fUserPaneRec);
 327
 328     if (varsp->fInFocus != setFocus && textctrl->MacIsReallyShown()) {
 329         varsp->fInFocus = setFocus;
 330         TXNFocus( varsp->fTXNRec, varsp->fInFocus);
 331     }
 332 }
 333
 334 // draw the control
 335 static pascal void TPPaneDrawProc(ControlRef theControl, ControlPartCode thePart) {
 336         /* set up our globals */
 337
 338     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(theControl);
 339     if ( textctrl == NULL )
 340         return ;
 341     TPUpdateVisibility( theControl ) ;
 342
 343     STPTextPaneVars *varsp = (STPTextPaneVars *) textctrl->m_macTXNvars ;
 344     if ( textctrl->MacIsReallyShown() )
 345     {
 346         wxMacWindowClipper clipper( textctrl ) ;
 347         TXNDraw(varsp->fTXNRec, NULL);
 348         if ( !varsp->fNoBorders )
 349                 DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 350         TPRedrawFocusOutline( varsp ) ;
 351     }
 352
 353 }
 354
 355
 356 /* TPPaneHitTestProc is called when the control manager would
 357     like to determine what part of the control the mouse resides over.
 358     We also call this routine from our tracking proc to determine how
 359     to handle mouse clicks. */
 360 static pascal ControlPartCode TPPaneHitTestProc(ControlRef theControl, Point where) {
 361     ControlPartCode result;
 362         /* set up our locals and lock down our globals*/
 363     result = 0;
 364     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(theControl);
 365     if ( textctrl == NULL )
 366         return 0 ;
 367     TPUpdateVisibility( theControl ) ;
 368     STPTextPaneVars *varsp = (STPTextPaneVars *) textctrl->m_macTXNvars ;
 369     if (textctrl->MacIsReallyShown() )
 370     {
 371         if (PtInRect(where, &varsp->fRBounds))
 372             result = kmUPTextPart;
 373         else
 374             result = 0;
 375     }
 376     return result;
 377 }
 378
 379
 380
 381
 382
 383 /* TPPaneTrackingProc is called when the mouse is being held down
 384     over our control.  This routine handles clicks in the text area
 385     and in the scroll bar. */
 386 static pascal ControlPartCode TPPaneTrackingProc(ControlRef theControl, Point startPt, ControlActionUPP actionProc) {
 387
 388     ControlPartCode partCodeResult;
 389         /* make sure we have some variables... */
 390     partCodeResult = 0;
 391     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(theControl);
 392     if ( textctrl == NULL )
 393         return 0;
 394     TPUpdateVisibility( theControl ) ;
 395     STPTextPaneVars *varsp = (STPTextPaneVars *) textctrl->m_macTXNvars ;
 396     if (textctrl->MacIsReallyShown() )
 397         {
 398                 /* we don't do any of these functions unless we're in focus */
 399         if ( ! varsp->fInFocus) {
 400             WindowPtr owner;
 401             owner = GetControlOwner(theControl);
 402             ClearKeyboardFocus(owner);
 403             SetKeyboardFocus(owner, theControl, kUserClickedToFocusPart);
 404         }
 405                 /* find the location for the click */
 406         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
 407         if ( textctrl->MacGetTopLevelWindow()->MacUsesCompositing() )
 408         {
 409             int x = 0 , y = 0 ;
 410             textctrl->MacClientToRootWindow( &x , &y ) ;
 411             startPt.h += x ;
 412             startPt.v += y ;
 413         }
 414
 415         switch (TPPaneHitTestProc(theControl, startPt))
 416         {
 417
 418                         /* handle clicks in the text part */
 419             case kmUPTextPart:
 420                         {
 421                                 wxMacWindowClipper clipper( textctrl ) ;
 422
 423                                 EventRecord rec ;
 424                                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
 425                                 TXNClick( varsp->fTXNRec, &rec );
 426
 427                         }
 428                 break;
 429
 430         }
 431     }
 432     return partCodeResult;
 433 }
 434
 435
 436 /* TPPaneIdleProc is our user pane idle routine.  When our text field
 437     is active and in focus, we use this routine to set the cursor. */
 438 static pascal void TPPaneIdleProc(ControlRef theControl) {
 439         /* set up locals */
 440     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(theControl);
 441     if ( textctrl == NULL )
 442         return ;
 443     TPUpdateVisibility( theControl ) ;
 444     STPTextPaneVars *varsp = (STPTextPaneVars *) textctrl->m_macTXNvars ;
 445     if (textctrl->MacIsReallyShown()) {
 446             /* if we're not active, then we have nothing to say about the cursor */
 447         if (varsp->fIsActive) {
 448             Rect bounds;
 449             Point mousep;
 450
 451             wxMacWindowClipper clipper( textctrl ) ;
 452             GetMouse(&mousep);
 453                 /* there's a 'focus thing' and an 'unfocused thing' */
 454             if (varsp->fInFocus) {
 455                     /* flash the cursor */
 456                 SetPort(varsp->fDrawingEnvironment);
 457                 TXNIdle(varsp->fTXNRec);
 458                 /* set the cursor */
 459                 if (PtInRect(mousep, &varsp->fRTextArea)) {
 460                     RgnHandle theRgn;
 461                     RectRgn((theRgn = NewRgn()), &varsp->fRTextArea);
 462                     TXNAdjustCursor(varsp->fTXNRec, theRgn);
 463                     DisposeRgn(theRgn);
 464                  }
 465                  else
 466                  {
 467                  // SetThemeCursor(kThemeArrowCursor);
 468                  }
 469             } else {
 470                 /* if it's in our bounds, set the cursor */
 471                 UMAGetControlBoundsInWindowCoords(theControl, &bounds);
 472                 if (PtInRect(mousep, &bounds))
 473                 {
 474                 //    SetThemeCursor(kThemeArrowCursor);
 475                 }
 476             }
 477         }
 478     }
 479 }
 480
 481
 482 /* TPPaneKeyDownProc is called whenever a keydown event is directed
 483     at our control.  Here, we direct the keydown event to the text
 484     edit record and redraw the scroll bar and text field as appropriate. */
 485 static pascal ControlPartCode TPPaneKeyDownProc(ControlRef theControl,
 486                             SInt16 keyCode, SInt16 charCode, SInt16 modifiers) {
 487
 488     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(theControl);
 489     if ( textctrl == NULL )
 490         return 0;
 491     TPUpdateVisibility( theControl ) ;
 492
 493     STPTextPaneVars *varsp = (STPTextPaneVars *) textctrl->m_macTXNvars ;
 494     if (varsp->fInFocus)
 495     {
 496             /* turn autoscrolling on and send the key event to text edit */
 497         wxMacWindowClipper clipper( textctrl ) ;
 498         EventRecord ev ;
 499         memset( &ev , 0 , sizeof( ev ) ) ;
 500         ev.what = keyDown ;
 501         ev.modifiers = modifiers ;
 502         ev.message = (( keyCode << 8 ) & keyCodeMask ) + ( charCode & charCodeMask ) ;
 503         TXNKeyDown( varsp->fTXNRec, &ev);
 504     }
 505     return kControlEntireControl;
 506 }
 507
 508
 509 /* TPPaneActivateProc is called when the window containing
 510     the user pane control receives activate events. Here, we redraw
 511     the control and it's text as necessary for the activation state. */
 512 static pascal void TPPaneActivateProc(ControlRef theControl, Boolean activating) {
 513         /* set up locals */
 514     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(theControl);
 515
 516     if ( textctrl == NULL )
 517         return ;
 518     TPUpdateVisibility( theControl ) ;
 519
 520     STPTextPaneVars *varsp = (STPTextPaneVars *) textctrl->m_macTXNvars ;
 521
 522     varsp->fIsActive = activating;
 523     wxMacWindowClipper clipper( textctrl ) ;
 524     TPActivatePaneText(varsp, varsp->fIsActive && varsp->fInFocus);
 525         /* redraw the frame */
 526     if ( textctrl->MacIsReallyShown() )
 527     {
 528         if ( !varsp->fNoBorders )
 529                 DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 530         TPRedrawFocusOutline( varsp ) ;
 531     }
 532 }
 533
 534
 535 /* TPPaneFocusProc is called when every the focus changes to or
 536     from our control.  Herein, switch the focus appropriately
 537     according to the parameters and redraw the control as
 538     necessary.  */
 539 static pascal ControlPartCode TPPaneFocusProc(ControlRef theControl, ControlFocusPart action) {
 540     ControlPartCode focusResult;
 541
 542     focusResult = kControlFocusNoPart;
 543     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(theControl);
 544     if ( textctrl == NULL )
 545         return 0;
 546     TPUpdateVisibility( theControl ) ;
 547     STPTextPaneVars *varsp = (STPTextPaneVars *) textctrl->m_macTXNvars ;
 548         /* if kControlFocusPrevPart and kControlFocusNextPart are received when the user is
 549         tabbing forwards (or shift tabbing backwards) through the items in the dialog,
 550         and kControlFocusNextPart will be received.  When the user clicks in our field
 551         and it is not the current focus, then the constant kUserClickedToFocusPart will
 552         be received.  The constant kControlFocusNoPart will be received when our control
 553         is the current focus and the user clicks in another control.  In your focus routine,
 554         you should respond to these codes as follows:
 555
 556         kControlFocusNoPart - turn off focus and return kControlFocusNoPart.  redraw
 557             the control and the focus rectangle as necessary.
 558
 559         kControlFocusPrevPart or kControlFocusNextPart - toggle focus on or off
 560             depending on its current state.  redraw the control and the focus rectangle
 561             as appropriate for the new focus state.  If the focus state is 'off', return the constant
 562             kControlFocusNoPart, otherwise return a non-zero part code.
 563         kUserClickedToFocusPart - is a constant defined for this example.  You should
 564             define your own value for handling click-to-focus type events. */
 565          /* calculate the next highlight state */
 566     switch (action) {
 567         default:
 568         case kControlFocusNoPart:
 569             TPFocusPaneText(varsp, false);
 570             focusResult = kControlFocusNoPart;
 571             break;
 572         case kUserClickedToFocusPart:
 573             TPFocusPaneText(varsp, true);
 574             focusResult = 1;
 575             break;
 576         case kControlFocusPrevPart:
 577         case kControlFocusNextPart:
 578             TPFocusPaneText(varsp, ( ! varsp->fInFocus));
 579             focusResult = varsp->fInFocus ? 1 : kControlFocusNoPart;
 580             break;
 581     }
 582     TPActivatePaneText(varsp, varsp->fIsActive && varsp->fInFocus);
 583     /* redraw the text fram and focus rectangle to indicate the
 584     new focus state */
 585     if ( textctrl->MacIsReallyShown() )
 586     {
 587         wxMacWindowClipper c( textctrl ) ;
 588         if ( !varsp->fNoBorders )
 589                 DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 590         TPRedrawFocusOutline( varsp ) ;
 591     }
 592     return focusResult;
 593 }
 594
 595
 596 /* mUPOpenControl initializes a user pane control so it will be drawn
 597     and will behave as a scrolling text edit field inside of a window.
 598     This routine performs all of the initialization steps necessary,
 599     except it does not create the user pane control itself.  theControl
 600     should refer to a user pane control that you have either created
 601     yourself or extracted from a dialog's control heirarchy using
 602     the GetDialogItemAsControl routine.  */
 603 OSStatus mUPOpenControl(STPTextPaneVars* &handle, ControlRef theControl, long wxStyle )
 604 {
 605     Rect bounds;
 606     WindowRef theWindow;
 607     STPTextPaneVars *varsp;
 608     OSStatus err = noErr ;
 609
 610         /* set up our globals */
 611     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(TPPaneDrawProc);
 612     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(TPPaneHitTestProc);
 613     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(TPPaneTrackingProc);
 614     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(TPPaneIdleProc);
 615     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(TPPaneKeyDownProc);
 616     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(TPPaneActivateProc);
 617     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(TPPaneFocusProc);
 618
 619         /* allocate our private storage */
 620     varsp = (STPTextPaneVars *) malloc(sizeof(STPTextPaneVars));
 621     handle = varsp ;
 622
 623         /* set the initial settings for our private data */
 624     varsp->fMultiline = wxStyle & wxTE_MULTILINE ;
 625     varsp->fNoBorders = wxStyle & wxNO_BORDER ;
 626     varsp->fInFocus = false;
 627     varsp->fIsActive = true;
 628     varsp->fTXNObjectActive = false;
 629     varsp->fFocusDrawState = false ;
 630     varsp->fUserPaneRec = theControl;
 631     varsp->fVisible = true ;
 632
 633     theWindow = varsp->fOwner = GetControlOwner(theControl);
 634
 635     varsp->fDrawingEnvironment = (GrafPtr)  GetWindowPort(theWindow);
 636
 637         /* set up the user pane procedures */
 638     SetControlData(theControl, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
 639     SetControlData(theControl, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
 640     SetControlData(theControl, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
 641     SetControlData(theControl, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
 642     SetControlData(theControl, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
 643     SetControlData(theControl, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
 644     SetControlData(theControl, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
 645
 646         /* calculate the rectangles used by the control */
 647     UMAGetControlBoundsInWindowCoords(theControl, &bounds);
 648     varsp->fRTextOutlineRegion = NewRgn() ;
 649     TPCalculateBounds( varsp , bounds ) ;
 650
 651         /* set up the drawing environment */
 652     SetPort(varsp->fDrawingEnvironment);
 653
 654         /* create the new edit field */
 655
 656     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( wxStyle ) ;
 657
 658     verify_noerr(TXNNewObject(NULL, varsp->fOwner, &varsp->fRTextArea,
 659         frameOptions ,
 660         kTXNTextEditStyleFrameType,
 661         kTXNTextensionFile,
 662         kTXNSystemDefaultEncoding,
 663         &varsp->fTXNRec, &varsp->fTXNFrame, (TXNObjectRefcon) varsp));
 664
 665     AdjustAttributesFromWXStyle( varsp->fTXNRec , wxStyle , varsp->fVisible ) ;
 666         /* perform final activations and setup for our text field.  Here,
 667         we assume that the window is going to be the 'active' window. */
 668     TPActivatePaneText(varsp, varsp->fIsActive && varsp->fInFocus);
 669         /* all done */
 670     return err;
 671 }
 672
 673 #else
 674 struct STPTextPaneVars
 675 {
 676 } ;
 677
 678 #endif
 679
 680 static void SetTXNData( STPTextPaneVars *varsp, TXNObject txn , const wxString& st , TXNOffset start , TXNOffset end )
 681 {
 682 #if wxUSE_UNICODE
 683 #if SIZEOF_WCHAR_T == 2
 684         size_t len = st.Len() ;
 685     TXNSetData( txn , kTXNUnicodeTextData,  (void*)st.wc_str(), len * 2,
 686       start, end);
 687 #else
 688         wxMBConvUTF16BE converter ;
 689         ByteCount byteBufferLen = converter.WC2MB( NULL , st.wc_str() , 0 ) ;
 690         UniChar *unibuf = (UniChar*) malloc(byteBufferLen) ;
 691         converter.WC2MB( (char*) unibuf , st.wc_str() , byteBufferLen ) ;
 692     TXNSetData( txn , kTXNUnicodeTextData,  (void*)unibuf, byteBufferLen ,
 693       start, end);
 694         free( unibuf ) ;
 695 #endif
 696 #else
 697         wxCharBuffer text =  st.mb_str(wxConvLocal)  ;
 698     TXNSetData( txn , kTXNTextData,  (void*)text.data(), strlen( text ) ,
 699       start, end);
 700 #endif
 701 }
 702
 703
 704 #endif
 705
 706 #if !USE_SHARED_LIBRARY
 707 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 708
 709 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 710     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 711     EVT_CHAR(wxTextCtrl::OnChar)
 712     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 713     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 714     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 715     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 716     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 717
 718     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 719     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 720     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 721     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 722     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 723 END_EVENT_TABLE()
 724 #endif
 725
 726 // Text item
 727 void wxTextCtrl::Init()
 728 {
 729   m_macTXN = NULL ;
 730   m_macTXNvars = NULL ;
 731
 732   m_editable = true ;
 733   m_dirty = false;
 734
 735   m_maxLength = TE_UNLIMITED_LENGTH ;
 736 }
 737
 738 wxTextCtrl::~wxTextCtrl()
 739 {
 740 #if wxMAC_USE_MLTE
 741     SetControlReference(*m_peer, 0) ;
 742 #if !wxMAC_USE_MLTE_HIVIEW
 743     TXNDeleteObject((TXNObject)m_macTXN);
 744 #endif
 745     /* delete our private storage */
 746     free(m_macTXNvars);
 747     /* zero the control reference */
 748 #endif
 749 }
 750
 751
 752 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
 753            const wxString& str,
 754            const wxPoint& pos,
 755            const wxSize& size, long style,
 756            const wxValidator& validator,
 757            const wxString& name)
 758 {
 759     m_macIsUserPane = FALSE ;
 760
 761     m_macTXN = NULL ;
 762     m_macTXNvars = NULL ;
 763     m_editable = true ;
 764
 765     // base initialization
 766     if ( !wxTextCtrlBase::Create(parent, id, pos, size, style & ~(wxHSCROLL|wxVSCROLL), validator, name) )
 767         return FALSE;
 768
 769     wxSize mySize = size ;
 770
 771     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
 772
 773     if ( m_windowStyle & wxTE_MULTILINE )
 774     {
 775         wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
 776                       wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
 777
 778         m_windowStyle |= wxTE_PROCESS_ENTER;
 779     }
 780
 781     wxString st = str ;
 782     wxMacConvertNewlines13To10( &st ) ;
 783 #if wxMAC_USE_MLTE
 784     {
 785 #if wxMAC_USE_MLTE_HIVIEW
 786         HIRect hr = { bounds.left , bounds.top , bounds.right - bounds.left , bounds.bottom- bounds.top } ;
 787         HIViewRef scrollView = NULL ;
 788         TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
 789
 790         if ( frameOptions & (kTXNWantVScrollBarMask|kTXNWantHScrollBarMask) )
 791         {
 792             HIScrollViewCreate(( frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0) |
 793                 ( frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll: 0 ) , &scrollView ) ;
 794
 795                 HIViewSetFrame( scrollView, &hr );
 796                 HIViewSetVisible( scrollView, true );
 797         }
 798         HIViewRef textView ;
 799         HITextViewCreate( NULL , 0, frameOptions , (ControlRef*) &textView ) ;
 800         m_macTXN = HITextViewGetTXNObject( textView) ;
 801         AdjustAttributesFromWXStyle( (TXNObject) m_macTXN , style , true ) ;
 802         HIViewSetVisible( (ControlRef) textView , true ) ;
 803         if ( scrollView )
 804         {
 805             HIViewAddSubview( scrollView , textView ) ;
 806             m_peer = scrollView ;
 807         }
 808         else
 809         {
 810             m_peer = textView ;
 811         }
 812 #else
 813         short featurSet;
 814
 815         featurSet = kControlSupportsEmbedding | kControlSupportsFocus  | kControlWantsIdle
 816                 | kControlWantsActivate | kControlHandlesTracking | kControlHasSpecialBackground
 817                 | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
 818             /* create the control */
 819         m_peer = new wxMacControl() ;
 820         verify_noerr( ::CreateUserPaneControl( MAC_WXHWND(GetParent()->MacGetTopLevelWindowRef()), &bounds, featurSet, *m_peer ) );
 821
 822         wxMacWindowClipper c(this) ;
 823         STPTextPaneVars *varsp ;
 824         mUPOpenControl( varsp, *m_peer, m_windowStyle );
 825         m_macTXNvars = varsp ;
 826         m_macTXN =  varsp->fTXNRec ;
 827 #endif
 828
 829         if ( style & wxTE_PASSWORD )
 830         {
 831             UniChar c = 0xA5 ;
 832             verify_noerr(TXNEchoMode( (TXNObject) m_macTXN , c , 0 , true )) ;
 833         }
 834     }
 835     MacPostControlCreate(pos,size) ;
 836
 837 #if !wxMAC_USE_MLTE_HIVIEW
 838     if ( MacIsReallyShown() )
 839         MLTESetObjectVisibility( (STPTextPaneVars*) m_macTXNvars, true , GetWindowStyle() ) ;
 840 #endif
 841
 842     {
 843         wxMacWindowClipper clipper( this ) ;
 844 #if !wxMAC_USE_MLTE_HIVIEW
 845         TPUpdateVisibility( *m_peer ) ;
 846 #endif
 847         SetTXNData( (STPTextPaneVars *)m_macTXNvars , (TXNObject) m_macTXN , st , kTXNStartOffset, kTXNEndOffset ) ;
 848
 849         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 850         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 851     }
 852
 853     // in case MLTE is catching events before we get the chance to do so, we'd have to reintroduce the tlw-handler in front :
 854     // parent->MacGetTopLevelWindow()->MacInstallTopLevelWindowEventHandler() ;
 855
 856     SetBackgroundColour( *wxWHITE ) ;
 857
 858     TXNBackground tback;
 859     tback.bgType = kTXNBackgroundTypeRGB;
 860     tback.bg.color = MAC_WXCOLORREF( GetBackgroundColour().GetPixel() );
 861     TXNSetBackground( (TXNObject) m_macTXN , &tback);
 862
 863 #else
 864     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
 865     CFStringRef cfr = cf ;
 866     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
 867     m_peer = new wxMacControl() ;
 868     CreateEditUnicodeTextControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds , cfr , isPassword , NULL , *m_peer ) ;
 869
 870     if ( !(m_windowStyle & wxTE_MULTILINE) )
 871     {
 872         Boolean singleline = true ;
 873         ::SetControlData( *m_peer, kControlEditTextPart , kControlEditTextSingleLineTag , sizeof( singleline ) , &singleline ) ;
 874     }
 875     MacPostControlCreate(pos,size) ;
 876
 877 #endif
 878     if ( m_windowStyle & wxTE_READONLY)
 879     {
 880         SetEditable( false ) ;
 881     }
 882
 883
 884     return TRUE;
 885 }
 886
 887 void wxTextCtrl::MacVisibilityChanged()
 888 {
 889 #if wxMAC_USE_MLTE
 890 #if !wxMAC_USE_MLTE_HIVIEW
 891     MLTESetObjectVisibility((STPTextPaneVars*) m_macTXNvars , MacIsReallyShown() , GetWindowStyle() ) ;
 892     if ( !MacIsReallyShown() )
 893         InvalWindowRect( GetControlOwner( *m_peer ) , &((STPTextPaneVars *)m_macTXNvars)->fRBounds ) ;
 894 #endif
 895 #else
 896     if ( !(m_windowStyle & wxTE_MULTILINE) && MacIsReallyShown() )
 897     {
 898         // work around a refresh issue insofar as not always the entire content is shown even if this would be possible
 899         ControlEditTextSelectionRec sel ;
 900         CFStringRef value = NULL ;
 901         Size    actualSize = 0 ;
 902         ResType datatag = GetWindowStyle() & wxTE_PASSWORD ?
 903             kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag ;
 904
 905         verify_noerr( GetControlData( *m_peer , 0, kControlEditTextSelectionTag,
 906                     sizeof(ControlEditTextSelectionRec), &sel, &actualSize ) );
 907         verify_noerr( GetControlData( *m_peer , 0, datatag , sizeof(CFStringRef), &value, &actualSize ) );
 908
 909         verify_noerr( SetControlData(  *m_peer , 0, datatag, sizeof(CFStringRef), &value ) );
 910         verify_noerr( SetControlData(  *m_peer , 0, kControlEditTextSelectionTag, sizeof(ControlEditTextSelectionRec), &sel ) );
 911
 912         CFRelease( value ) ;
 913     }
 914 #endif
 915 }
 916
 917 void wxTextCtrl::MacEnabledStateChanged()
 918 {
 919 }
 920
 921
 922 wxString wxTextCtrl::GetValue() const
 923 {
 924     wxString result ;
 925 #if wxMAC_USE_MLTE
 926     OSStatus err ;
 927     Size actualSize = 0;
 928     {
 929 #if wxUSE_UNICODE
 930         Handle theText ;
 931         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNUnicodeTextData );
 932         // all done
 933         if ( err )
 934         {
 935             actualSize = 0 ;
 936         }
 937         else
 938         {
 939             actualSize = GetHandleSize( theText ) / sizeof( UniChar) ;
 940             if ( actualSize > 0 )
 941             {
 942                 wxChar *ptr = NULL ;
 943 #if SIZEOF_WCHAR_T == 2
 944                 ptr = new wxChar[actualSize + 1 ] ;
 945                 wxStrncpy( ptr , (wxChar*) *theText , actualSize ) ;
 946
 947 #else
 948                 SetHandleSize( theText , ( actualSize + 1 ) * sizeof( UniChar ) ) ;
 949                                 HLock( theText ) ;
 950                 (((UniChar*)*theText)[actualSize]) = 0 ;
 951                                 wxMBConvUTF16BE converter ;
 952                                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
 953                                 ptr = new wxChar[noChars + 1] ;
 954
 955                                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars ) ;
 956                                 ptr[noChars] = 0 ;
 957                                 HUnlock( theText ) ;
 958 #endif
 959                 ptr[actualSize] = 0 ;
 960                 result = wxString( ptr ) ;
 961                 delete[] ptr ;
 962             }
 963             DisposeHandle( theText ) ;
 964         }
 965 #else
 966         Handle theText ;
 967         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
 968         // all done
 969         if ( err )
 970         {
 971             actualSize = 0 ;
 972         }
 973         else
 974         {
 975             actualSize = GetHandleSize( theText ) ;
 976             if ( actualSize > 0 )
 977             {
 978                 HLock( theText ) ;
 979                 result = wxString( *theText , wxConvLocal , actualSize ) ;
 980                 HUnlock( theText ) ;
 981             }
 982             DisposeHandle( theText ) ;
 983         }
 984 #endif
 985     }
 986 #else
 987     CFStringRef value = NULL ;
 988     Size    actualSize = 0 ;
 989
 990     verify_noerr( GetControlData( *m_peer , 0, GetWindowStyle() & wxTE_PASSWORD ?
 991         kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag,
 992                     sizeof(CFStringRef), &value, &actualSize ) );
 993     if ( value )
 994     {
 995         wxMacCFStringHolder cf(value) ;
 996         result = cf.AsString() ;
 997     }
 998 #endif
 999     wxMacConvertNewlines10To13( &result ) ;
1000     return result ;
1001 }
1002
1003 void wxTextCtrl::GetSelection(long* from, long* to) const
1004 {
1005 #if wxMAC_USE_MLTE
1006    TXNGetSelection( (TXNObject) m_macTXN , (TXNOffset*) from , (TXNOffset*) to ) ;
1007 #else
1008     ControlEditTextSelectionRec sel ;
1009     Size actualSize ;
1010     verify_noerr( GetControlData( *m_peer , 0, kControlEditTextSelectionTag,
1011                     sizeof(ControlEditTextSelectionRec), &sel, &actualSize ) );
1012     if ( from ) *from = sel.selStart ;
1013     if ( to ) *to = sel.selEnd ;
1014 #endif
1015 }
1016
1017 void wxTextCtrl::SetValue(const wxString& str)
1018 {
1019     // optimize redraws
1020     if ( GetValue() == str )
1021         return ;
1022
1023     wxString st = str ;
1024     wxMacConvertNewlines13To10( &st ) ;
1025 #if wxMAC_USE_MLTE
1026     {
1027         wxMacWindowClipper c( this ) ;
1028         bool formerEditable = m_editable ;
1029         if ( !formerEditable )
1030             SetEditable(true) ;
1031
1032 #if !wxMAC_USE_MLTE_HIVIEW
1033         // otherwise scrolling might have problems ?
1034         TPUpdateVisibility( ( (STPTextPaneVars *)m_macTXNvars)->fUserPaneRec ) ;
1035 #endif
1036         SetTXNData( (STPTextPaneVars *)m_macTXNvars , (TXNObject) m_macTXN , st , kTXNStartOffset, kTXNEndOffset ) ;
1037         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
1038         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
1039         if ( !formerEditable )
1040             SetEditable(formerEditable) ;
1041     }
1042 #else
1043     wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1044     CFStringRef value = cf ;
1045     verify_noerr( SetControlData(  *m_peer , 0, GetWindowStyle() & wxTE_PASSWORD ?
1046         kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag,
1047         sizeof(CFStringRef), &value ) );
1048 #endif
1049 }
1050
1051 void wxTextCtrl::SetMaxLength(unsigned long len)
1052 {
1053     m_maxLength = len ;
1054 }
1055
1056 bool wxTextCtrl::SetFont( const wxFont& font )
1057 {
1058     if ( !wxTextCtrlBase::SetFont( font ) )
1059         return FALSE ;
1060
1061 #if wxMAC_USE_MLTE
1062     wxMacWindowClipper c( this ) ;
1063     bool formerEditable = m_editable ;
1064     if ( !formerEditable )
1065         SetEditable(true) ;
1066
1067     TXNTypeAttributes typeAttr[4] ;
1068     Str255 fontName = "\pMonaco" ;
1069     SInt16 fontSize = 12 ;
1070     Style fontStyle = normal ;
1071     int attrCounter = 0 ;
1072
1073     wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1074     fontSize = font.MacGetFontSize() ;
1075     fontStyle = font.MacGetFontStyle() ;
1076
1077     typeAttr[attrCounter].tag = kTXNQDFontNameAttribute ;
1078     typeAttr[attrCounter].size = kTXNQDFontNameAttributeSize ;
1079     typeAttr[attrCounter].data.dataPtr = (void*) fontName ;
1080     typeAttr[attrCounter+1].tag = kTXNQDFontSizeAttribute ;
1081     typeAttr[attrCounter+1].size = kTXNFontSizeAttributeSize ;
1082     typeAttr[attrCounter+1].data.dataValue =  (fontSize << 16) ;
1083     typeAttr[attrCounter+2].tag = kTXNQDFontStyleAttribute ;
1084     typeAttr[attrCounter+2].size = kTXNQDFontStyleAttributeSize ;
1085     typeAttr[attrCounter+2].data.dataValue = fontStyle ;
1086     attrCounter += 3 ;
1087     /*
1088     typeAttr[attrCounter].tag = kTXNQDFontColorAttribute ;
1089     typeAttr[attrCounter].size = kTXNQDFontColorAttributeSize ;
1090     typeAttr[attrCounter].data.dataPtr = (void*) &color ;
1091     color = MAC_WXCOLORREF(GetForegroundColour().GetPixel()) ;
1092     attrCounter += 1 ;
1093     */
1094     verify_noerr( TXNSetTypeAttributes ((TXNObject)m_macTXN, attrCounter , typeAttr, kTXNStartOffset,kTXNEndOffset) );
1095
1096     if ( !formerEditable )
1097         SetEditable(formerEditable) ;
1098 #endif
1099     return true ;
1100 }
1101
1102 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
1103 {
1104 #if wxMAC_USE_MLTE
1105     bool formerEditable = m_editable ;
1106     if ( !formerEditable )
1107         SetEditable(true) ;
1108     TXNTypeAttributes typeAttr[4] ;
1109     Str255 fontName = "\pMonaco" ;
1110     SInt16 fontSize = 12 ;
1111     Style fontStyle = normal ;
1112     RGBColor color ;
1113     int attrCounter = 0 ;
1114     if ( style.HasFont() )
1115     {
1116         const wxFont &font = style.GetFont() ;
1117         wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1118         fontSize = font.GetPointSize() ;
1119         if ( font.GetUnderlined() )
1120             fontStyle |= underline ;
1121         if ( font.GetWeight() == wxBOLD )
1122             fontStyle |= bold ;
1123         if ( font.GetStyle() == wxITALIC )
1124             fontStyle |= italic ;
1125
1126         typeAttr[attrCounter].tag = kTXNQDFontNameAttribute ;
1127         typeAttr[attrCounter].size = kTXNQDFontNameAttributeSize ;
1128         typeAttr[attrCounter].data.dataPtr = (void*) fontName ;
1129         typeAttr[attrCounter+1].tag = kTXNQDFontSizeAttribute ;
1130         typeAttr[attrCounter+1].size = kTXNFontSizeAttributeSize ;
1131         typeAttr[attrCounter+1].data.dataValue =  (fontSize << 16) ;
1132         typeAttr[attrCounter+2].tag = kTXNQDFontStyleAttribute ;
1133         typeAttr[attrCounter+2].size = kTXNQDFontStyleAttributeSize ;
1134         typeAttr[attrCounter+2].data.dataValue = fontStyle ;
1135         attrCounter += 3 ;
1136
1137     }
1138     if ( style.HasTextColour() )
1139     {
1140         typeAttr[attrCounter].tag = kTXNQDFontColorAttribute ;
1141         typeAttr[attrCounter].size = kTXNQDFontColorAttributeSize ;
1142         typeAttr[attrCounter].data.dataPtr = (void*) &color ;
1143         color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
1144         attrCounter += 1 ;
1145     }
1146
1147     if ( attrCounter > 0 )
1148     {
1149         verify_noerr( TXNSetTypeAttributes ((TXNObject)m_macTXN, attrCounter , typeAttr, start,end) );
1150     }
1151     if ( !formerEditable )
1152         SetEditable(formerEditable) ;
1153 #endif
1154     return TRUE ;
1155 }
1156
1157 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
1158 {
1159     wxTextCtrlBase::SetDefaultStyle( style ) ;
1160     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
1161     return TRUE ;
1162 }
1163
1164 // Clipboard operations
1165 void wxTextCtrl::Copy()
1166 {
1167     if (CanCopy())
1168     {
1169 #if wxMAC_USE_MLTE
1170         ClearCurrentScrap();
1171         TXNCopy((TXNObject)m_macTXN);
1172         TXNConvertToPublicScrap();
1173 #else
1174         m_peer->SendHICommand( kHICommandCopy ) ;
1175 #endif
1176     }
1177 }
1178
1179 void wxTextCtrl::Cut()
1180 {
1181     if (CanCut())
1182     {
1183 #if wxMAC_USE_MLTE
1184         ClearCurrentScrap();
1185         TXNCut((TXNObject)m_macTXN);
1186         TXNConvertToPublicScrap();
1187 #else
1188         m_peer->SendHICommand( kHICommandCut ) ;
1189 #endif
1190         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1191         event.SetString( GetValue() ) ;
1192         event.SetEventObject( this );
1193         GetEventHandler()->ProcessEvent(event);
1194       }
1195 }
1196
1197 void wxTextCtrl::Paste()
1198 {
1199     if (CanPaste())
1200     {
1201 #if wxMAC_USE_MLTE
1202         TXNConvertFromPublicScrap();
1203         TXNPaste((TXNObject)m_macTXN);
1204         SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
1205 #else
1206         m_peer->SendHICommand( kHICommandPaste ) ;
1207 #endif
1208         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1209         event.SetString( GetValue() ) ;
1210         event.SetEventObject( this );
1211         GetEventHandler()->ProcessEvent(event);
1212     }
1213 }
1214
1215 bool wxTextCtrl::CanCopy() const
1216 {
1217     // Can copy if there's a selection
1218     long from, to;
1219     GetSelection(& from, & to);
1220     return (from != to);
1221 }
1222
1223 bool wxTextCtrl::CanCut() const
1224 {
1225     if ( !IsEditable() )
1226     {
1227         return false ;
1228     }
1229     // Can cut if there's a selection
1230     long from, to;
1231     GetSelection(& from, & to);
1232     return (from != to);
1233 }
1234
1235 bool wxTextCtrl::CanPaste() const
1236 {
1237     if (!IsEditable())
1238         return FALSE;
1239
1240 #if wxMAC_USE_MLTE
1241     return TXNIsScrapPastable() ;
1242 #else
1243     return true ;
1244 #endif
1245 }
1246
1247 void wxTextCtrl::SetEditable(bool editable)
1248 {
1249     if ( editable != m_editable )
1250     {
1251         m_editable = editable ;
1252 #if wxMAC_USE_MLTE
1253         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1254         TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1255         TXNSetTXNObjectControls( (TXNObject) m_macTXN , false , sizeof(tag) / sizeof (TXNControlTag) , tag , data ) ;
1256 #else
1257         Boolean value = !editable ;
1258         ::SetControlData( *m_peer, 0, kControlEditTextLockedTag , sizeof( value ) , &value ) ;
1259 #endif
1260     }
1261 }
1262
1263 void wxTextCtrl::SetInsertionPoint(long pos)
1264 {
1265     SetSelection( pos , pos ) ;
1266 }
1267
1268 void wxTextCtrl::SetInsertionPointEnd()
1269 {
1270     long pos = GetLastPosition();
1271     SetInsertionPoint(pos);
1272 }
1273
1274 long wxTextCtrl::GetInsertionPoint() const
1275 {
1276     long begin,end ;
1277     GetSelection( &begin , &end ) ;
1278     return begin ;
1279 }
1280
1281 long wxTextCtrl::GetLastPosition() const
1282 {
1283     long actualsize = 0 ;
1284 #if wxMAC_USE_MLTE
1285     Handle theText ;
1286     OSErr err = TXNGetDataEncoded( (TXNObject) m_macTXN, kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
1287     /* all done */
1288     if ( err )
1289     {
1290         actualsize = 0 ;
1291     }
1292     else
1293     {
1294         actualsize = GetHandleSize( theText ) ;
1295         DisposeHandle( theText ) ;
1296     }
1297 #endif
1298     return actualsize ;
1299 }
1300
1301 void wxTextCtrl::Replace(long from, long to, const wxString& str)
1302 {
1303 #if wxMAC_USE_MLTE
1304     wxString value = str ;
1305     wxMacConvertNewlines13To10( &value ) ;
1306
1307     bool formerEditable = m_editable ;
1308     if ( !formerEditable )
1309         SetEditable(true) ;
1310     TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1311     TXNClear( ((TXNObject) m_macTXN) ) ;
1312     SetTXNData( (STPTextPaneVars *)m_macTXNvars , (TXNObject) m_macTXN , str , kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1313     if ( !formerEditable )
1314         SetEditable( formerEditable ) ;
1315
1316     Refresh() ;
1317 #endif
1318 }
1319
1320 void wxTextCtrl::Remove(long from, long to)
1321 {
1322 #if wxMAC_USE_MLTE
1323     bool formerEditable = m_editable ;
1324     if ( !formerEditable )
1325         SetEditable(true) ;
1326     TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1327     TXNClear( ((TXNObject) m_macTXN) ) ;
1328     if ( !formerEditable )
1329         SetEditable( formerEditable ) ;
1330
1331     Refresh() ;
1332 #endif
1333 }
1334
1335 void wxTextCtrl::SetSelection(long from, long to)
1336 {
1337 #if wxMAC_USE_MLTE
1338     /* change the selection */
1339     if ((from == -1) && (to == -1))
1340         TXNSelectAll((TXNObject) m_macTXN);
1341     else
1342         TXNSetSelection( (TXNObject) m_macTXN, from, to);
1343     TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
1344 #else
1345     ControlEditTextSelectionRec sel ;
1346     sel.selStart = from ;
1347     sel.selEnd = to ;
1348     verify_noerr( SetControlData( *m_peer , 0, kControlEditTextSelectionTag,
1349                     sizeof(ControlEditTextSelectionRec), &sel ) );
1350
1351 #endif
1352 }
1353
1354 bool wxTextCtrl::LoadFile(const wxString& file)
1355 {
1356     if ( wxTextCtrlBase::LoadFile(file) )
1357     {
1358         return TRUE;
1359     }
1360
1361     return FALSE;
1362 }
1363
1364 class wxMacFunctor
1365 {
1366 public :
1367     wxMacFunctor(){}
1368     virtual ~wxMacFunctor() {}
1369     virtual void* operator()() = 0 ;
1370     static void* CallBackProc(void *param)
1371     {
1372         wxMacFunctor* f = (wxMacFunctor*) param ;
1373         void *result = (*f)() ;
1374         return result ;
1375     }
1376 } ;
1377
1378 template<typename classtype,typename param1type>
1379 class wxMacObjectFunctor1 : public wxMacFunctor
1380 {
1381     typedef void (classtype::*function)( param1type p1 ) ;
1382     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
1383 public :
1384     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
1385         wxMacFunctor(  )
1386     {
1387         m_object = obj ;
1388         m_function = f ;
1389         m_param1 = p1 ;
1390     }
1391
1392     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
1393         wxMacFunctor(  )
1394     {
1395         m_object = obj ;
1396         m_refFunction = f ;
1397         m_param1 = p1 ;
1398     }
1399
1400     ~wxMacObjectFunctor1() {}
1401
1402     virtual void* operator()()
1403     {
1404         (m_object->*m_function)(m_param1) ;
1405         return NULL ;
1406     }
1407 private :
1408     classtype* m_object ;
1409     param1type m_param1 ;
1410     union
1411     {
1412     function m_function ;
1413     ref_function m_refFunction ;
1414     } ;
1415 } ;
1416
1417 template<typename classtype, typename param1type>
1418 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
1419 {
1420     wxMacObjectFunctor1<classtype,param1type> params(object,function,p1) ;
1421     void *result =
1422         MPRemoteCall( wxMacFunctor::CallBackProc , &params  , kMPOwningProcessRemoteContext ) ;
1423     return result ;
1424 }
1425
1426 template<typename classtype, typename param1type>
1427 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
1428 {
1429     wxMacObjectFunctor1<classtype,param1type> params(object,function,p1) ;
1430     void *result =
1431         MPRemoteCall( wxMacFunctor::CallBackProc , &params  , kMPOwningProcessRemoteContext ) ;
1432     return result ;
1433 }
1434
1435 template<typename classtype, typename param1type>
1436 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
1437 {
1438     wxMutexGuiLeave() ;
1439     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
1440     wxMutexGuiEnter() ;
1441     return result ;
1442 }
1443
1444 template<typename classtype, typename param1type>
1445 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
1446 {
1447     wxMutexGuiLeave() ;
1448     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
1449     wxMutexGuiEnter() ;
1450     return result ;
1451 }
1452
1453 void wxTextCtrl::WriteText(const wxString& str)
1454 {
1455     if ( !wxIsMainThread() )
1456     {
1457         // unfortunately CW 8 is not able to correctly deduce the template types, so we have
1458         // to instantiate explicitely
1459         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
1460         return ;
1461     }
1462     else
1463     {
1464         wxString st = str ;
1465         wxMacConvertNewlines13To10( &st ) ;
1466     #if wxMAC_USE_MLTE
1467         bool formerEditable = m_editable ;
1468         if ( !formerEditable )
1469             SetEditable(true) ;
1470         {
1471             wxMacWindowStateSaver s( this ) ;
1472             long start , end , dummy ;
1473             GetSelection( &start , &dummy ) ;
1474             SetTXNData( (STPTextPaneVars *)m_macTXNvars , (TXNObject) m_macTXN , st , kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1475             GetSelection( &dummy , &end ) ;
1476             SetStyle( start , end , GetDefaultStyle() ) ;
1477         }
1478         if ( !formerEditable )
1479             SetEditable( formerEditable ) ;
1480
1481         MacRedrawControl() ;
1482     #else
1483     #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
1484         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1485         CFStringRef value = cf ;
1486         SetControlData(  *m_peer , 0, kControlEditTextInsertCFStringRefTag,
1487             sizeof(CFStringRef), &value );
1488     #else
1489         wxString val = GetValue() ;
1490         long start , end ;
1491         GetSelection( &start , &end ) ;
1492         val.Remove( start , end - start ) ;
1493         val.insert( start , str ) ;
1494         SetValue( val ) ;
1495         SetInsertionPoint( start + str.Length() ) ;
1496     #endif
1497     #endif
1498     }
1499 }
1500
1501 void wxTextCtrl::AppendText(const wxString& text)
1502 {
1503     SetInsertionPointEnd();
1504     WriteText(text);
1505 }
1506
1507 void wxTextCtrl::Clear()
1508 {
1509 #if wxMAC_USE_MLTE
1510     bool formerEditable = m_editable ;
1511     if ( !formerEditable )
1512         SetEditable(true) ;
1513     TXNSetSelection( (TXNObject)m_macTXN , kTXNStartOffset , kTXNEndOffset ) ;
1514     TXNClear((TXNObject)m_macTXN);
1515
1516     if ( !formerEditable )
1517         SetEditable( formerEditable ) ;
1518
1519     Refresh() ;
1520 #else
1521     SetValue(wxEmptyString) ;
1522 #endif
1523 }
1524
1525 bool wxTextCtrl::IsModified() const
1526 {
1527     return m_dirty;
1528 }
1529
1530 bool wxTextCtrl::IsEditable() const
1531 {
1532     return IsEnabled() && m_editable ;
1533 }
1534
1535 bool wxTextCtrl::AcceptsFocus() const
1536 {
1537     // we don't want focus if we can't be edited
1538     return /*IsEditable() && */ wxControl::AcceptsFocus();
1539 }
1540
1541 wxSize wxTextCtrl::DoGetBestSize() const
1542 {
1543     int wText = 100 ;
1544
1545     int hText;
1546
1547     switch( m_windowVariant )
1548     {
1549         case wxWINDOW_VARIANT_NORMAL :
1550             hText = 22 ;
1551             break ;
1552         case wxWINDOW_VARIANT_SMALL :
1553             hText = 19 ;
1554             break ;
1555         case wxWINDOW_VARIANT_MINI :
1556             hText= 15 ;
1557             break ;
1558         default :
1559             hText = 22 ;
1560             break ;
1561     }
1562
1563 #if !wxMAC_USE_MLTE
1564     // unicode text control is using client size, ie 3 pixels on every side
1565     // TODO make this fit into normal window size concept, probably having
1566     // to reintroduce the margin vars
1567     hText -= 6 ;
1568 #endif
1569
1570     if ( m_windowStyle & wxTE_MULTILINE )
1571     {
1572          hText *= 5 ;
1573     }
1574
1575     return wxSize(wText, hText);
1576 }
1577
1578 // ----------------------------------------------------------------------------
1579 // Undo/redo
1580 // ----------------------------------------------------------------------------
1581
1582 void wxTextCtrl::Undo()
1583 {
1584     if (CanUndo())
1585     {
1586 #if wxMAC_USE_MLTE
1587         TXNUndo((TXNObject)m_macTXN);
1588 #endif
1589     }
1590 }
1591
1592 void wxTextCtrl::Redo()
1593 {
1594     if (CanRedo())
1595     {
1596 #if wxMAC_USE_MLTE
1597         TXNRedo((TXNObject)m_macTXN);
1598 #endif
1599     }
1600 }
1601
1602 bool wxTextCtrl::CanUndo() const
1603 {
1604     if ( !IsEditable() )
1605     {
1606         return false ;
1607     }
1608 #if wxMAC_USE_MLTE
1609     return TXNCanUndo((TXNObject)m_macTXN,NULL);
1610 #else
1611     return false ;
1612 #endif
1613 }
1614
1615 bool wxTextCtrl::CanRedo() const
1616 {
1617     if ( !IsEditable() )
1618     {
1619         return false ;
1620     }
1621 #if wxMAC_USE_MLTE
1622     return TXNCanRedo((TXNObject)m_macTXN,NULL);
1623 #else
1624     return false ;
1625 #endif
1626 }
1627
1628 // Makes modifie or unmodified
1629 void wxTextCtrl::MarkDirty()
1630 {
1631     m_dirty = true;
1632 }
1633
1634 void wxTextCtrl::DiscardEdits()
1635 {
1636     m_dirty = false;
1637 }
1638
1639 int wxTextCtrl::GetNumberOfLines() const
1640 {
1641     ItemCount lines = 0 ;
1642 #if wxMAC_USE_MLTE
1643     TXNGetLineCount((TXNObject)m_macTXN, &lines ) ;
1644 #else
1645     wxString content = GetValue() ;
1646     lines = 1;
1647     for (size_t i = 0; i < content.Length() ; i++)
1648     {
1649         if (content[i] == '\r') lines++;
1650     }
1651 #endif
1652     return lines ;
1653 }
1654
1655 long wxTextCtrl::XYToPosition(long x, long y) const
1656 {
1657 #if wxMAC_USE_MLTE
1658     Point curpt ;
1659
1660     long lastpos = GetLastPosition() ;
1661
1662     // TODO find a better implementation : while we can get the
1663     // line metrics of a certain line, we don't get its starting
1664     // position, so it would probably be rather a binary search
1665     // for the start position
1666     long xpos = 0 ;
1667     long ypos = 0 ;
1668     int lastHeight = 0 ;
1669
1670     ItemCount n ;
1671     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1672     {
1673         if ( y == ypos && x == xpos )
1674             return n ;
1675
1676         TXNOffsetToPoint( (TXNObject) m_macTXN,  n , &curpt);
1677
1678         if ( curpt.v > lastHeight )
1679         {
1680             xpos = 0 ;
1681             if ( n > 0 )
1682                 ++ypos ;
1683             lastHeight = curpt.v ;
1684         }
1685         else
1686             ++xpos ;
1687     }
1688 #endif
1689     return 0;
1690 }
1691
1692 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
1693 {
1694 #if wxMAC_USE_MLTE
1695     Point curpt ;
1696
1697     long lastpos = GetLastPosition() ;
1698
1699     if ( y ) *y = 0 ;
1700     if ( x ) *x = 0 ;
1701
1702     if ( pos <= lastpos )
1703     {
1704         // TODO find a better implementation : while we can get the
1705         // line metrics of a certain line, we don't get its starting
1706         // position, so it would probably be rather a binary search
1707         // for the start position
1708         long xpos = 0 ;
1709         long ypos = 0 ;
1710         int lastHeight = 0 ;
1711
1712         ItemCount n ;
1713         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
1714         {
1715             TXNOffsetToPoint( (TXNObject) m_macTXN,  n , &curpt);
1716
1717             if ( curpt.v > lastHeight )
1718             {
1719                 xpos = 0 ;
1720                 if ( n > 0 )
1721                     ++ypos ;
1722                 lastHeight = curpt.v ;
1723             }
1724             else
1725                 ++xpos ;
1726         }
1727         if ( y ) *y = ypos ;
1728         if ( x ) *x = xpos ;
1729     }
1730 #else
1731     if ( y ) *y = 0 ;
1732     if ( x ) *x = 0 ;
1733 #endif
1734     return FALSE ;
1735 }
1736
1737 void wxTextCtrl::ShowPosition(long pos)
1738 {
1739 #if wxMAC_USE_MLTE
1740 #if TARGET_RT_MAC_MACHO && defined(AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER)
1741     {
1742         Point current ;
1743         Point desired ;
1744         TXNOffset selstart , selend ;
1745         TXNGetSelection(  (TXNObject) m_macTXN , &selstart , &selend) ;
1746         TXNOffsetToPoint( (TXNObject) m_macTXN,  selstart , &current);
1747         TXNOffsetToPoint( (TXNObject) m_macTXN,  pos , &desired);
1748         //TODO use HIPoints for 10.3 and above
1749         if ( (UInt32) TXNScroll != (UInt32) kUnresolvedCFragSymbolAddress )
1750         {
1751             OSErr theErr = noErr;
1752             SInt32 dv = desired.v - current.v ;
1753             SInt32 dh = desired.h - current.h ;
1754             TXNShowSelection(  (TXNObject) m_macTXN , true ) ;
1755             theErr = TXNScroll( (TXNObject) m_macTXN, kTXNScrollUnitsInPixels , kTXNScrollUnitsInPixels , &dv , &dh );
1756             wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
1757         }
1758     }
1759 #endif
1760 #endif
1761 }
1762
1763 int wxTextCtrl::GetLineLength(long lineNo) const
1764 {
1765 #if wxMAC_USE_MLTE
1766     Point curpt ;
1767     if ( lineNo < GetNumberOfLines() )
1768     {
1769         // TODO find a better implementation : while we can get the
1770         // line metrics of a certain line, we don't get its starting
1771         // position, so it would probably be rather a binary search
1772         // for the start position
1773         long xpos = 0 ;
1774         long ypos = 0 ;
1775         int lastHeight = 0 ;
1776         long lastpos = GetLastPosition() ;
1777
1778         ItemCount n ;
1779         for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1780         {
1781             TXNOffsetToPoint( (TXNObject) m_macTXN,  n , &curpt);
1782
1783             if ( curpt.v > lastHeight )
1784             {
1785                 if ( ypos == lineNo )
1786                     return xpos ;
1787
1788                 xpos = 0 ;
1789                 if ( n > 0 )
1790                     ++ypos ;
1791                 lastHeight = curpt.v ;
1792             }
1793             else
1794                 ++xpos ;
1795         }
1796     }
1797 #else
1798     // TODO change this if possible to reflect real lines
1799     wxString content = GetValue() ;
1800
1801     // Find line first
1802     int count = 0;
1803     for (size_t i = 0; i < content.Length() ; i++)
1804     {
1805         if (count == lineNo)
1806         {
1807             // Count chars in line then
1808             count = 0;
1809             for (size_t j = i; j < content.Length(); j++)
1810             {
1811                 count++;
1812                 if (content[j] == '\n') return count;
1813             }
1814
1815             return count;
1816         }
1817         if (content[i] == '\n') count++;
1818     }
1819 #endif
1820     return 0;
1821 }
1822
1823 wxString wxTextCtrl::GetLineText(long lineNo) const
1824 {
1825 #if wxMAC_USE_MLTE
1826     wxString line ;
1827     Point curpt ;
1828     wxString content = GetValue() ;
1829
1830     if ( lineNo < GetNumberOfLines() )
1831     {
1832         // TODO find a better implementation : while we can get the
1833         // line metrics of a certain line, we don't get its starting
1834         // position, so it would probably be rather a binary search
1835         // for the start position
1836         long xpos = 0 ;
1837         long ypos = 0 ;
1838         int lastHeight = 0 ;
1839         long lastpos = GetLastPosition() ;
1840
1841         ItemCount n ;
1842         for ( n = 0 ; n <= (ItemCount)lastpos ; ++n )
1843         {
1844             TXNOffsetToPoint( (TXNObject) m_macTXN,  n , &curpt);
1845
1846             if ( curpt.v > lastHeight )
1847             {
1848                 if ( ypos == lineNo )
1849                     return line ;
1850
1851                 xpos = 0 ;
1852                 if ( n > 0 )
1853                     ++ypos ;
1854                 lastHeight = curpt.v ;
1855             }
1856             else
1857             {
1858                 if ( ypos == lineNo )
1859                     line += content[n] ;
1860                 ++xpos ;
1861             }
1862         }
1863     }
1864     return line ;
1865 #else
1866     // TODO change this if possible to reflect real lines
1867     wxString content = GetValue() ;
1868
1869     // Find line first
1870     int count = 0;
1871     for (size_t i = 0; i < content.Length() ; i++)
1872     {
1873         if (count == lineNo)
1874         {
1875             // Add chars in line then
1876             wxString tmp;
1877
1878             for (size_t j = i; j < content.Length(); j++)
1879             {
1880                 if (content[j] == '\n')
1881                     return tmp;
1882
1883                 tmp += content[j];
1884             }
1885
1886             return tmp;
1887         }
1888         if (content[i] == '\n') count++;
1889     }
1890     return wxEmptyString ;
1891 #endif
1892 }
1893
1894 /*
1895  * Text item
1896  */
1897
1898 void wxTextCtrl::Command(wxCommandEvent & event)
1899 {
1900     SetValue (event.GetString());
1901     ProcessCommand (event);
1902 }
1903
1904 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
1905 {
1906     // By default, load the first file into the text window.
1907     if (event.GetNumberOfFiles() > 0)
1908     {
1909         LoadFile(event.GetFiles()[0]);
1910     }
1911 }
1912
1913 void wxTextCtrl::OnChar(wxKeyEvent& event)
1914 {
1915     int key = event.GetKeyCode() ;
1916     bool eat_key = false ;
1917
1918     if ( key == 'c' && event.MetaDown() )
1919     {
1920         if ( CanCopy() )
1921             Copy() ;
1922         return ;
1923     }
1924
1925     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
1926         !( key == WXK_RETURN && ( (m_windowStyle & wxPROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
1927 /*        && key != WXK_PRIOR && key != WXK_NEXT && key != WXK_HOME && key != WXK_END */
1928         )
1929     {
1930         // eat it
1931         return ;
1932     }
1933
1934     // assume that any key not processed yet is going to modify the control
1935     m_dirty = true;
1936
1937     if ( key == 'v' && event.MetaDown() )
1938     {
1939         if ( CanPaste() )
1940             Paste() ;
1941         return ;
1942     }
1943     if ( key == 'x' && event.MetaDown() )
1944     {
1945         if ( CanCut() )
1946             Cut() ;
1947         return ;
1948     }
1949     switch ( key )
1950     {
1951         case WXK_RETURN:
1952             if (m_windowStyle & wxPROCESS_ENTER)
1953             {
1954                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1955                 event.SetEventObject( this );
1956                 event.SetString( GetValue() );
1957                 if ( GetEventHandler()->ProcessEvent(event) )
1958                     return;
1959             }
1960             if ( !(m_windowStyle & wxTE_MULTILINE) )
1961             {
1962                 wxWindow *parent = GetParent();
1963                 while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
1964                   parent = parent->GetParent() ;
1965                 }
1966                 if ( parent && parent->GetDefaultItem() )
1967                 {
1968                     wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
1969                                                           wxButton);
1970                     if ( def && def->IsEnabled() )
1971                     {
1972                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
1973                         event.SetEventObject(def);
1974                         def->Command(event);
1975                         return ;
1976                    }
1977                 }
1978
1979                 // this will make wxWidgets eat the ENTER key so that
1980                 // we actually prevent line wrapping in a single line
1981                 // text control
1982                 eat_key = TRUE;
1983             }
1984
1985             break;
1986
1987         case WXK_TAB:
1988             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
1989             {
1990                 int flags = 0;
1991                 if (!event.ShiftDown())
1992                     flags |= wxNavigationKeyEvent::IsForward ;
1993                 if (event.ControlDown())
1994                     flags |= wxNavigationKeyEvent::WinChange ;
1995                 Navigate(flags);
1996                 return;
1997             }
1998             else
1999             {
2000                 // This is necessary (don't know why) or the tab will not
2001                 // be inserted.
2002                 WriteText(wxT("\t"));
2003             }
2004
2005             break;
2006     }
2007
2008     if (!eat_key)
2009     {
2010         // perform keystroke handling
2011         if ( wxTheApp->MacGetCurrentEvent() != NULL && wxTheApp->MacGetCurrentEventHandlerCallRef() != NULL )
2012             CallNextEventHandler((EventHandlerCallRef)wxTheApp->MacGetCurrentEventHandlerCallRef() , (EventRef) wxTheApp->MacGetCurrentEvent() ) ;
2013         else
2014         {
2015             EventRecord rec ;
2016             if ( wxMacConvertEventToRecord(  (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) )
2017             {
2018                 EventRecord *ev = &rec ;
2019                 short keycode ;
2020                 short keychar ;
2021                 keychar = short(ev->message & charCodeMask);
2022                 keycode = short(ev->message & keyCodeMask) >> 8 ;
2023
2024                 ::HandleControlKey( *m_peer , keycode , keychar , ev->modifiers ) ;
2025             }
2026         }
2027     }
2028     if ( ( key >= 0x20 && key < WXK_START ) ||
2029          key == WXK_RETURN ||
2030          key == WXK_DELETE ||
2031          key == WXK_BACK)
2032     {
2033         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
2034         event1.SetString( GetValue() ) ;
2035         event1.SetEventObject( this );
2036         wxPostEvent(GetEventHandler(),event1);
2037     }
2038 }
2039
2040 // ----------------------------------------------------------------------------
2041 // standard handlers for standard edit menu events
2042 // ----------------------------------------------------------------------------
2043
2044 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
2045 {
2046     Cut();
2047 }
2048
2049 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
2050 {
2051     Copy();
2052 }
2053
2054 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
2055 {
2056     Paste();
2057 }
2058
2059 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
2060 {
2061     Undo();
2062 }
2063
2064 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
2065 {
2066     Redo();
2067 }
2068
2069 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
2070 {
2071     event.Enable( CanCut() );
2072 }
2073
2074 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
2075 {
2076     event.Enable( CanCopy() );
2077 }
2078
2079 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
2080 {
2081     event.Enable( CanPaste() );
2082 }
2083
2084 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
2085 {
2086     event.Enable( CanUndo() );
2087 }
2088
2089 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
2090 {
2091     event.Enable( CanRedo() );
2092 }
2093
2094 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
2095 {
2096     return true ;
2097 }
2098
2099 // user pane implementation
2100
2101 void wxTextCtrl::MacControlUserPaneDrawProc(wxInt16 part)
2102 {
2103 }
2104
2105 wxInt16 wxTextCtrl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2106 {
2107     return kControlNoPart ;
2108 }
2109
2110 wxInt16 wxTextCtrl::MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc)
2111 {
2112     return kControlNoPart ;
2113 }
2114
2115 void wxTextCtrl::MacControlUserPaneIdleProc()
2116 {
2117 }
2118
2119 wxInt16 wxTextCtrl::MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2120 {
2121     return kControlNoPart ;
2122 }
2123
2124 void wxTextCtrl::MacControlUserPaneActivateProc(bool activating)
2125 {
2126 }
2127
2128 wxInt16 wxTextCtrl::MacControlUserPaneFocusProc(wxInt16 action)
2129 {
2130     return kControlNoPart ;
2131 }
2132
2133 void wxTextCtrl::MacControlUserPaneBackgroundProc(void* info)
2134 {
2135 }
2136
2137 #endif
2138     // wxUSE_TEXTCTRL