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((ControlRef)m_macControl, 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_macControl = (WXWidget) scrollView ;
 807         }
 808         else
 809         {
 810             m_macControl = (WXWidget) 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         verify_noerr( CreateUserPaneControl( MAC_WXHWND(GetParent()->MacGetTopLevelWindowRef()) , &bounds, featurSet , (ControlRef*) &m_macControl) ) ;
 820
 821         wxMacWindowClipper c(this) ;
 822         STPTextPaneVars *varsp ;
 823         mUPOpenControl( varsp, (ControlRef) m_macControl, m_windowStyle );
 824         m_macTXNvars = varsp ;
 825         m_macTXN =  varsp->fTXNRec ;
 826 #endif
 827
 828         if ( style & wxTE_PASSWORD )
 829         {
 830             UniChar c = 0xA5 ;
 831             verify_noerr(TXNEchoMode( (TXNObject) m_macTXN , c , 0 , true )) ;
 832         }
 833     }
 834     MacPostControlCreate(pos,size) ;
 835
 836 #if !wxMAC_USE_MLTE_HIVIEW
 837     if ( MacIsReallyShown() )
 838         MLTESetObjectVisibility( (STPTextPaneVars*) m_macTXNvars, true , GetWindowStyle() ) ;
 839 #endif
 840
 841     {
 842         wxMacWindowClipper clipper( this ) ;
 843 #if !wxMAC_USE_MLTE_HIVIEW
 844         TPUpdateVisibility( (ControlRef) m_macControl ) ;
 845 #endif
 846         SetTXNData( (STPTextPaneVars *)m_macTXNvars , (TXNObject) m_macTXN , st , kTXNStartOffset, kTXNEndOffset ) ;
 847
 848         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 849         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 850     }
 851
 852     // in case MLTE is catching events before we get the chance to do so, we'd have to reintroduce the tlw-handler in front :
 853     // parent->MacGetTopLevelWindow()->MacInstallTopLevelWindowEventHandler() ;
 854
 855     SetBackgroundColour( *wxWHITE ) ;
 856
 857     TXNBackground tback;
 858     tback.bgType = kTXNBackgroundTypeRGB;
 859     tback.bg.color = MAC_WXCOLORREF( GetBackgroundColour().GetPixel() );
 860     TXNSetBackground( (TXNObject) m_macTXN , &tback);
 861
 862 #else
 863     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
 864     CFStringRef cfr = cf ;
 865     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
 866     CreateEditUnicodeTextControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds , cfr , isPassword , NULL , (ControlRef*) &m_macControl ) ;
 867     if ( !(m_windowStyle & wxTE_MULTILINE) )
 868     {
 869         Boolean singleline = true ;
 870         ::SetControlData( (ControlHandle) m_macControl, kControlEditTextPart , kControlEditTextSingleLineTag , sizeof( singleline ) , &singleline ) ;
 871     }
 872     MacPostControlCreate(pos,size) ;
 873
 874 #endif
 875     if ( m_windowStyle & wxTE_READONLY)
 876     {
 877         SetEditable( false ) ;
 878     }
 879
 880
 881     return TRUE;
 882 }
 883
 884 void wxTextCtrl::MacVisibilityChanged()
 885 {
 886 #if wxMAC_USE_MLTE
 887 #if !wxMAC_USE_MLTE_HIVIEW
 888     MLTESetObjectVisibility((STPTextPaneVars*) m_macTXNvars , MacIsReallyShown() , GetWindowStyle() ) ;
 889     if ( !MacIsReallyShown() )
 890         InvalWindowRect( GetControlOwner( (ControlHandle) m_macControl ) , &((STPTextPaneVars *)m_macTXNvars)->fRBounds ) ;
 891 #endif
 892 #else
 893     if ( !(m_windowStyle & wxTE_MULTILINE) && MacIsReallyShown() )
 894     {
 895         // work around a refresh issue insofar as not always the entire content is shown even if this would be possible
 896         ControlEditTextSelectionRec sel ;
 897         CFStringRef value = NULL ;
 898         Size    actualSize = 0 ;
 899         ResType datatag = GetWindowStyle() & wxTE_PASSWORD ?
 900             kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag ;
 901
 902         verify_noerr( GetControlData( (ControlRef) m_macControl , 0, kControlEditTextSelectionTag,
 903                     sizeof(ControlEditTextSelectionRec), &sel, &actualSize ) );
 904         verify_noerr( GetControlData( (ControlRef) m_macControl , 0, datatag , sizeof(CFStringRef), &value, &actualSize ) );
 905
 906         verify_noerr( SetControlData(  (ControlRef) m_macControl , 0, datatag, sizeof(CFStringRef), &value ) );
 907         verify_noerr( SetControlData(  (ControlRef) m_macControl , 0, kControlEditTextSelectionTag, sizeof(ControlEditTextSelectionRec), &sel ) );
 908
 909         CFRelease( value ) ;
 910     }
 911 #endif
 912 }
 913
 914 void wxTextCtrl::MacEnabledStateChanged()
 915 {
 916 }
 917
 918
 919 wxString wxTextCtrl::GetValue() const
 920 {
 921     wxString result ;
 922 #if wxMAC_USE_MLTE
 923     OSStatus err ;
 924     Size actualSize = 0;
 925     {
 926 #if wxUSE_UNICODE
 927         Handle theText ;
 928         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNUnicodeTextData );
 929         // all done
 930         if ( err )
 931         {
 932             actualSize = 0 ;
 933         }
 934         else
 935         {
 936             actualSize = GetHandleSize( theText ) / sizeof( UniChar) ;
 937             if ( actualSize > 0 )
 938             {
 939                 wxChar *ptr = NULL ;
 940 #if SIZEOF_WCHAR_T == 2
 941                 ptr = new wxChar[actualSize + 1 ] ;
 942                 wxStrncpy( ptr , (wxChar*) *theText , actualSize ) ;
 943
 944 #else
 945                 SetHandleSize( theText , ( actualSize + 1 ) * sizeof( UniChar ) ) ;
 946                                 HLock( theText ) ;
 947                 (((UniChar*)*theText)[actualSize]) = 0 ;
 948                                 wxMBConvUTF16BE converter ;
 949                                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
 950                                 ptr = new wxChar[noChars + 1] ;
 951
 952                                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars ) ;
 953                                 ptr[noChars] = 0 ;
 954                                 HUnlock( theText ) ;
 955 #endif
 956                 ptr[actualSize] = 0 ;
 957                 result = wxString( ptr ) ;
 958                 delete[] ptr ;
 959             }
 960             DisposeHandle( theText ) ;
 961         }
 962 #else
 963         Handle theText ;
 964         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
 965         // all done
 966         if ( err )
 967         {
 968             actualSize = 0 ;
 969         }
 970         else
 971         {
 972             actualSize = GetHandleSize( theText ) ;
 973             if ( actualSize > 0 )
 974             {
 975                 HLock( theText ) ;
 976                 result = wxString( *theText , wxConvLocal , actualSize ) ;
 977                 HUnlock( theText ) ;
 978             }
 979             DisposeHandle( theText ) ;
 980         }
 981 #endif
 982     }
 983 #else
 984     CFStringRef value = NULL ;
 985     Size    actualSize = 0 ;
 986
 987     verify_noerr( GetControlData( (ControlRef) m_macControl , 0, GetWindowStyle() & wxTE_PASSWORD ?
 988         kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag,
 989                     sizeof(CFStringRef), &value, &actualSize ) );
 990     if ( value )
 991     {
 992         wxMacCFStringHolder cf(value) ;
 993         result = cf.AsString() ;
 994     }
 995 #endif
 996     wxMacConvertNewlines10To13( &result ) ;
 997     return result ;
 998 }
 999
1000 void wxTextCtrl::GetSelection(long* from, long* to) const
1001 {
1002 #if wxMAC_USE_MLTE
1003    TXNGetSelection( (TXNObject) m_macTXN , (TXNOffset*) from , (TXNOffset*) to ) ;
1004 #else
1005     ControlEditTextSelectionRec sel ;
1006     Size actualSize ;
1007     verify_noerr( GetControlData( (ControlRef) m_macControl , 0, kControlEditTextSelectionTag,
1008                     sizeof(ControlEditTextSelectionRec), &sel, &actualSize ) );
1009     if ( from ) *from = sel.selStart ;
1010     if ( to ) *to = sel.selEnd ;
1011 #endif
1012 }
1013
1014 void wxTextCtrl::SetValue(const wxString& str)
1015 {
1016     // optimize redraws
1017     if ( GetValue() == str )
1018         return ;
1019
1020     wxString st = str ;
1021     wxMacConvertNewlines13To10( &st ) ;
1022 #if wxMAC_USE_MLTE
1023     {
1024         wxMacWindowClipper c( this ) ;
1025         bool formerEditable = m_editable ;
1026         if ( !formerEditable )
1027             SetEditable(true) ;
1028
1029 #if !wxMAC_USE_MLTE_HIVIEW
1030         // otherwise scrolling might have problems ?
1031         TPUpdateVisibility( ( (STPTextPaneVars *)m_macTXNvars)->fUserPaneRec ) ;
1032 #endif
1033         SetTXNData( (STPTextPaneVars *)m_macTXNvars , (TXNObject) m_macTXN , st , kTXNStartOffset, kTXNEndOffset ) ;
1034         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
1035         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
1036         if ( !formerEditable )
1037             SetEditable(formerEditable) ;
1038     }
1039 #else
1040     wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1041     CFStringRef value = cf ;
1042     verify_noerr( SetControlData(  (ControlRef) m_macControl , 0, GetWindowStyle() & wxTE_PASSWORD ?
1043         kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag,
1044         sizeof(CFStringRef), &value ) );
1045 #endif
1046 }
1047
1048 void wxTextCtrl::SetMaxLength(unsigned long len)
1049 {
1050     m_maxLength = len ;
1051 }
1052
1053 bool wxTextCtrl::SetFont( const wxFont& font )
1054 {
1055     if ( !wxTextCtrlBase::SetFont( font ) )
1056         return FALSE ;
1057
1058 #if wxMAC_USE_MLTE
1059     wxMacWindowClipper c( this ) ;
1060     bool formerEditable = m_editable ;
1061     if ( !formerEditable )
1062         SetEditable(true) ;
1063
1064     TXNTypeAttributes typeAttr[4] ;
1065     Str255 fontName = "\pMonaco" ;
1066     SInt16 fontSize = 12 ;
1067     Style fontStyle = normal ;
1068     int attrCounter = 0 ;
1069
1070     wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1071     fontSize = font.MacGetFontSize() ;
1072     fontStyle = font.MacGetFontStyle() ;
1073
1074     typeAttr[attrCounter].tag = kTXNQDFontNameAttribute ;
1075     typeAttr[attrCounter].size = kTXNQDFontNameAttributeSize ;
1076     typeAttr[attrCounter].data.dataPtr = (void*) fontName ;
1077     typeAttr[attrCounter+1].tag = kTXNQDFontSizeAttribute ;
1078     typeAttr[attrCounter+1].size = kTXNFontSizeAttributeSize ;
1079     typeAttr[attrCounter+1].data.dataValue =  (fontSize << 16) ;
1080     typeAttr[attrCounter+2].tag = kTXNQDFontStyleAttribute ;
1081     typeAttr[attrCounter+2].size = kTXNQDFontStyleAttributeSize ;
1082     typeAttr[attrCounter+2].data.dataValue = fontStyle ;
1083     attrCounter += 3 ;
1084     /*
1085     typeAttr[attrCounter].tag = kTXNQDFontColorAttribute ;
1086     typeAttr[attrCounter].size = kTXNQDFontColorAttributeSize ;
1087     typeAttr[attrCounter].data.dataPtr = (void*) &color ;
1088     color = MAC_WXCOLORREF(GetForegroundColour().GetPixel()) ;
1089     attrCounter += 1 ;
1090     */
1091     verify_noerr( TXNSetTypeAttributes ((TXNObject)m_macTXN, attrCounter , typeAttr, kTXNStartOffset,kTXNEndOffset) );
1092
1093     if ( !formerEditable )
1094         SetEditable(formerEditable) ;
1095 #endif
1096     return true ;
1097 }
1098
1099 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
1100 {
1101 #if wxMAC_USE_MLTE
1102     bool formerEditable = m_editable ;
1103     if ( !formerEditable )
1104         SetEditable(true) ;
1105     TXNTypeAttributes typeAttr[4] ;
1106     Str255 fontName = "\pMonaco" ;
1107     SInt16 fontSize = 12 ;
1108     Style fontStyle = normal ;
1109     RGBColor color ;
1110     int attrCounter = 0 ;
1111     if ( style.HasFont() )
1112     {
1113         const wxFont &font = style.GetFont() ;
1114         wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1115         fontSize = font.GetPointSize() ;
1116         if ( font.GetUnderlined() )
1117             fontStyle |= underline ;
1118         if ( font.GetWeight() == wxBOLD )
1119             fontStyle |= bold ;
1120         if ( font.GetStyle() == wxITALIC )
1121             fontStyle |= italic ;
1122
1123         typeAttr[attrCounter].tag = kTXNQDFontNameAttribute ;
1124         typeAttr[attrCounter].size = kTXNQDFontNameAttributeSize ;
1125         typeAttr[attrCounter].data.dataPtr = (void*) fontName ;
1126         typeAttr[attrCounter+1].tag = kTXNQDFontSizeAttribute ;
1127         typeAttr[attrCounter+1].size = kTXNFontSizeAttributeSize ;
1128         typeAttr[attrCounter+1].data.dataValue =  (fontSize << 16) ;
1129         typeAttr[attrCounter+2].tag = kTXNQDFontStyleAttribute ;
1130         typeAttr[attrCounter+2].size = kTXNQDFontStyleAttributeSize ;
1131         typeAttr[attrCounter+2].data.dataValue = fontStyle ;
1132         attrCounter += 3 ;
1133
1134     }
1135     if ( style.HasTextColour() )
1136     {
1137         typeAttr[attrCounter].tag = kTXNQDFontColorAttribute ;
1138         typeAttr[attrCounter].size = kTXNQDFontColorAttributeSize ;
1139         typeAttr[attrCounter].data.dataPtr = (void*) &color ;
1140         color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
1141         attrCounter += 1 ;
1142     }
1143
1144     if ( attrCounter > 0 )
1145     {
1146         verify_noerr( TXNSetTypeAttributes ((TXNObject)m_macTXN, attrCounter , typeAttr, start,end) );
1147     }
1148     if ( !formerEditable )
1149         SetEditable(formerEditable) ;
1150 #endif
1151     return TRUE ;
1152 }
1153
1154 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
1155 {
1156     wxTextCtrlBase::SetDefaultStyle( style ) ;
1157     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
1158     return TRUE ;
1159 }
1160
1161 // Clipboard operations
1162 void wxTextCtrl::Copy()
1163 {
1164     if (CanCopy())
1165     {
1166 #if wxMAC_USE_MLTE
1167         ClearCurrentScrap();
1168         TXNCopy((TXNObject)m_macTXN);
1169         TXNConvertToPublicScrap();
1170 #endif
1171     }
1172 }
1173
1174 void wxTextCtrl::Cut()
1175 {
1176     if (CanCut())
1177     {
1178 #if wxMAC_USE_MLTE
1179         ClearCurrentScrap();
1180         TXNCut((TXNObject)m_macTXN);
1181         TXNConvertToPublicScrap();
1182 #endif
1183         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1184         event.SetString( GetValue() ) ;
1185         event.SetEventObject( this );
1186         GetEventHandler()->ProcessEvent(event);
1187       }
1188 }
1189
1190 void wxTextCtrl::Paste()
1191 {
1192     if (CanPaste())
1193     {
1194 #if wxMAC_USE_MLTE
1195         TXNConvertFromPublicScrap();
1196         TXNPaste((TXNObject)m_macTXN);
1197         SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
1198 #endif
1199         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1200         event.SetString( GetValue() ) ;
1201         event.SetEventObject( this );
1202         GetEventHandler()->ProcessEvent(event);
1203     }
1204 }
1205
1206 bool wxTextCtrl::CanCopy() const
1207 {
1208     // Can copy if there's a selection
1209     long from, to;
1210     GetSelection(& from, & to);
1211     return (from != to);
1212 }
1213
1214 bool wxTextCtrl::CanCut() const
1215 {
1216     if ( !IsEditable() )
1217     {
1218         return false ;
1219     }
1220     // Can cut if there's a selection
1221     long from, to;
1222     GetSelection(& from, & to);
1223     return (from != to);
1224 }
1225
1226 bool wxTextCtrl::CanPaste() const
1227 {
1228     if (!IsEditable())
1229         return FALSE;
1230
1231 #if wxMAC_USE_MLTE
1232     return TXNIsScrapPastable() ;
1233 #else
1234     return true ;
1235 #endif
1236 }
1237
1238 void wxTextCtrl::SetEditable(bool editable)
1239 {
1240     if ( editable != m_editable )
1241     {
1242         m_editable = editable ;
1243 #if wxMAC_USE_MLTE
1244         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1245         TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1246         TXNSetTXNObjectControls( (TXNObject) m_macTXN , false , sizeof(tag) / sizeof (TXNControlTag) , tag , data ) ;
1247 #else
1248         Boolean value = !editable ;
1249         ::SetControlData( (ControlHandle) m_macControl, 0, kControlEditTextLockedTag , sizeof( value ) , &value ) ;
1250 #endif
1251     }
1252 }
1253
1254 void wxTextCtrl::SetInsertionPoint(long pos)
1255 {
1256     SetSelection( pos , pos ) ;
1257 }
1258
1259 void wxTextCtrl::SetInsertionPointEnd()
1260 {
1261     long pos = GetLastPosition();
1262     SetInsertionPoint(pos);
1263 }
1264
1265 long wxTextCtrl::GetInsertionPoint() const
1266 {
1267     long begin,end ;
1268     GetSelection( &begin , &end ) ;
1269     return begin ;
1270 }
1271
1272 long wxTextCtrl::GetLastPosition() const
1273 {
1274     long actualsize = 0 ;
1275 #if wxMAC_USE_MLTE
1276     Handle theText ;
1277     OSErr err = TXNGetDataEncoded( (TXNObject) m_macTXN, kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
1278     /* all done */
1279     if ( err )
1280     {
1281         actualsize = 0 ;
1282     }
1283     else
1284     {
1285         actualsize = GetHandleSize( theText ) ;
1286         DisposeHandle( theText ) ;
1287     }
1288 #endif
1289     return actualsize ;
1290 }
1291
1292 void wxTextCtrl::Replace(long from, long to, const wxString& str)
1293 {
1294 #if wxMAC_USE_MLTE
1295     wxString value = str ;
1296     wxMacConvertNewlines13To10( &value ) ;
1297
1298     bool formerEditable = m_editable ;
1299     if ( !formerEditable )
1300         SetEditable(true) ;
1301     TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1302     TXNClear( ((TXNObject) m_macTXN) ) ;
1303     SetTXNData( (STPTextPaneVars *)m_macTXNvars , (TXNObject) m_macTXN , str , kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1304     if ( !formerEditable )
1305         SetEditable( formerEditable ) ;
1306
1307     Refresh() ;
1308 #endif
1309 }
1310
1311 void wxTextCtrl::Remove(long from, long to)
1312 {
1313 #if wxMAC_USE_MLTE
1314     bool formerEditable = m_editable ;
1315     if ( !formerEditable )
1316         SetEditable(true) ;
1317     TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1318     TXNClear( ((TXNObject) m_macTXN) ) ;
1319     if ( !formerEditable )
1320         SetEditable( formerEditable ) ;
1321
1322     Refresh() ;
1323 #endif
1324 }
1325
1326 void wxTextCtrl::SetSelection(long from, long to)
1327 {
1328 #if wxMAC_USE_MLTE
1329     /* change the selection */
1330     if ((from == -1) && (to == -1))
1331         TXNSelectAll((TXNObject) m_macTXN);
1332     else
1333         TXNSetSelection( (TXNObject) m_macTXN, from, to);
1334     TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
1335 #else
1336     ControlEditTextSelectionRec sel ;
1337     sel.selStart = from ;
1338     sel.selEnd = to ;
1339     verify_noerr( SetControlData( (ControlRef) m_macControl , 0, kControlEditTextSelectionTag,
1340                     sizeof(ControlEditTextSelectionRec), &sel ) );
1341
1342 #endif
1343 }
1344
1345 bool wxTextCtrl::LoadFile(const wxString& file)
1346 {
1347     if ( wxTextCtrlBase::LoadFile(file) )
1348     {
1349         return TRUE;
1350     }
1351
1352     return FALSE;
1353 }
1354
1355 class wxMacFunctor
1356 {
1357 public :
1358     wxMacFunctor(){}
1359     virtual ~wxMacFunctor() {}
1360     virtual void* operator()() = 0 ;
1361     static void* CallBackProc(void *param)
1362     {
1363         wxMacFunctor* f = (wxMacFunctor*) param ;
1364         void *result = (*f)() ;
1365         return result ;
1366     }
1367 } ;
1368
1369 template<typename classtype,typename param1type>
1370 class wxMacObjectFunctor1 : public wxMacFunctor
1371 {
1372     typedef void (classtype::*function)( param1type p1 ) ;
1373     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
1374 public :
1375     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
1376         wxMacFunctor(  )
1377     {
1378         m_object = obj ;
1379         m_function = f ;
1380         m_param1 = p1 ;
1381     }
1382
1383     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
1384         wxMacFunctor(  )
1385     {
1386         m_object = obj ;
1387         m_refFunction = f ;
1388         m_param1 = p1 ;
1389     }
1390
1391     ~wxMacObjectFunctor1() {}
1392
1393     virtual void* operator()()
1394     {
1395         (m_object->*m_function)(m_param1) ;
1396         return NULL ;
1397     }
1398 private :
1399     classtype* m_object ;
1400     param1type m_param1 ;
1401     union
1402     {
1403     function m_function ;
1404     ref_function m_refFunction ;
1405     } ;
1406 } ;
1407
1408 template<typename classtype, typename param1type>
1409 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
1410 {
1411     wxMacObjectFunctor1<classtype,param1type> params(object,function,p1) ;
1412     void *result =
1413         MPRemoteCall( wxMacFunctor::CallBackProc , &params  , kMPOwningProcessRemoteContext ) ;
1414     return result ;
1415 }
1416
1417 template<typename classtype, typename param1type>
1418 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const 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* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
1428 {
1429     wxMutexGuiLeave() ;
1430     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
1431     wxMutexGuiEnter() ;
1432     return result ;
1433 }
1434
1435 template<typename classtype, typename param1type>
1436 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
1437 {
1438     wxMutexGuiLeave() ;
1439     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
1440     wxMutexGuiEnter() ;
1441     return result ;
1442 }
1443
1444 void wxTextCtrl::WriteText(const wxString& str)
1445 {
1446     if ( !wxIsMainThread() )
1447     {
1448         // unfortunately CW 8 is not able to correctly deduce the template types, so we have
1449         // to instantiate explicitely
1450         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
1451         return ;
1452     }
1453     else
1454     {
1455         wxString st = str ;
1456         wxMacConvertNewlines13To10( &st ) ;
1457     #if wxMAC_USE_MLTE
1458         bool formerEditable = m_editable ;
1459         if ( !formerEditable )
1460             SetEditable(true) ;
1461         {
1462             wxMacWindowStateSaver s( this ) ;
1463             long start , end , dummy ;
1464             GetSelection( &start , &dummy ) ;
1465             SetTXNData( (STPTextPaneVars *)m_macTXNvars , (TXNObject) m_macTXN , st , kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1466             GetSelection( &dummy , &end ) ;
1467             SetStyle( start , end , GetDefaultStyle() ) ;
1468         }
1469         if ( !formerEditable )
1470             SetEditable( formerEditable ) ;
1471
1472         MacRedrawControl() ;
1473     #else
1474     #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
1475         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1476         CFStringRef value = cf ;
1477         SetControlData(  (ControlRef) m_macControl , 0, kControlEditTextInsertCFStringRefTag,
1478             sizeof(CFStringRef), &value );
1479     #else
1480         wxString val = GetValue() ;
1481         long start , end ;
1482         GetSelection( &start , &end ) ;
1483         val.Remove( start , end - start ) ;
1484         val.insert( start , str ) ;
1485         SetValue( val ) ;
1486         SetInsertionPoint( start + str.Length() ) ;
1487     #endif
1488     #endif
1489     }
1490 }
1491
1492 void wxTextCtrl::AppendText(const wxString& text)
1493 {
1494     SetInsertionPointEnd();
1495     WriteText(text);
1496 }
1497
1498 void wxTextCtrl::Clear()
1499 {
1500 #if wxMAC_USE_MLTE
1501     bool formerEditable = m_editable ;
1502     if ( !formerEditable )
1503         SetEditable(true) ;
1504     TXNSetSelection( (TXNObject)m_macTXN , kTXNStartOffset , kTXNEndOffset ) ;
1505     TXNClear((TXNObject)m_macTXN);
1506
1507     if ( !formerEditable )
1508         SetEditable( formerEditable ) ;
1509
1510     Refresh() ;
1511 #else
1512     SetValue(wxEmptyString) ;
1513 #endif
1514 }
1515
1516 bool wxTextCtrl::IsModified() const
1517 {
1518     return m_dirty;
1519 }
1520
1521 bool wxTextCtrl::IsEditable() const
1522 {
1523     return IsEnabled() && m_editable ;
1524 }
1525
1526 bool wxTextCtrl::AcceptsFocus() const
1527 {
1528     // we don't want focus if we can't be edited
1529     return /*IsEditable() && */ wxControl::AcceptsFocus();
1530 }
1531
1532 wxSize wxTextCtrl::DoGetBestSize() const
1533 {
1534     int wText = 100 ;
1535
1536     int hText;
1537
1538     switch( m_windowVariant )
1539     {
1540         case wxWINDOW_VARIANT_NORMAL :
1541             hText = 22 ;
1542             break ;
1543         case wxWINDOW_VARIANT_SMALL :
1544             hText = 19 ;
1545             break ;
1546         case wxWINDOW_VARIANT_MINI :
1547             hText= 15 ;
1548             break ;
1549         default :
1550             hText = 22 ;
1551             break ;
1552     }
1553
1554 #if !wxMAC_USE_MLTE
1555     // unicode text control is using client size, ie 3 pixels on every side
1556     // TODO make this fit into normal window size concept, probably having
1557     // to reintroduce the margin vars
1558     hText -= 6 ;
1559 #endif
1560
1561     if ( m_windowStyle & wxTE_MULTILINE )
1562     {
1563          hText *= 5 ;
1564     }
1565
1566     return wxSize(wText, hText);
1567 }
1568
1569 // ----------------------------------------------------------------------------
1570 // Undo/redo
1571 // ----------------------------------------------------------------------------
1572
1573 void wxTextCtrl::Undo()
1574 {
1575     if (CanUndo())
1576     {
1577 #if wxMAC_USE_MLTE
1578         TXNUndo((TXNObject)m_macTXN);
1579 #endif
1580     }
1581 }
1582
1583 void wxTextCtrl::Redo()
1584 {
1585     if (CanRedo())
1586     {
1587 #if wxMAC_USE_MLTE
1588         TXNRedo((TXNObject)m_macTXN);
1589 #endif
1590     }
1591 }
1592
1593 bool wxTextCtrl::CanUndo() const
1594 {
1595     if ( !IsEditable() )
1596     {
1597         return false ;
1598     }
1599 #if wxMAC_USE_MLTE
1600     return TXNCanUndo((TXNObject)m_macTXN,NULL);
1601 #else
1602     return false ;
1603 #endif
1604 }
1605
1606 bool wxTextCtrl::CanRedo() const
1607 {
1608     if ( !IsEditable() )
1609     {
1610         return false ;
1611     }
1612 #if wxMAC_USE_MLTE
1613     return TXNCanRedo((TXNObject)m_macTXN,NULL);
1614 #else
1615     return false ;
1616 #endif
1617 }
1618
1619 // Makes modifie or unmodified
1620 void wxTextCtrl::MarkDirty()
1621 {
1622     m_dirty = true;
1623 }
1624
1625 void wxTextCtrl::DiscardEdits()
1626 {
1627     m_dirty = false;
1628 }
1629
1630 int wxTextCtrl::GetNumberOfLines() const
1631 {
1632     ItemCount lines = 0 ;
1633 #if wxMAC_USE_MLTE
1634     TXNGetLineCount((TXNObject)m_macTXN, &lines ) ;
1635 #endif
1636     return lines ;
1637 }
1638
1639 long wxTextCtrl::XYToPosition(long x, long y) const
1640 {
1641 #if wxMAC_USE_MLTE
1642     Point curpt ;
1643
1644     long lastpos = GetLastPosition() ;
1645
1646     // TODO find a better implementation : while we can get the
1647     // line metrics of a certain line, we don't get its starting
1648     // position, so it would probably be rather a binary search
1649     // for the start position
1650     long xpos = 0 ;
1651     long ypos = 0 ;
1652     int lastHeight = 0 ;
1653
1654     ItemCount n ;
1655     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1656     {
1657         if ( y == ypos && x == xpos )
1658             return n ;
1659
1660         TXNOffsetToPoint( (TXNObject) m_macTXN,  n , &curpt);
1661
1662         if ( curpt.v > lastHeight )
1663         {
1664             xpos = 0 ;
1665             if ( n > 0 )
1666                 ++ypos ;
1667             lastHeight = curpt.v ;
1668         }
1669         else
1670             ++xpos ;
1671     }
1672 #endif
1673     return 0;
1674 }
1675
1676 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
1677 {
1678 #if wxMAC_USE_MLTE
1679     Point curpt ;
1680
1681     long lastpos = GetLastPosition() ;
1682
1683     if ( y ) *y = 0 ;
1684     if ( x ) *x = 0 ;
1685
1686     if ( pos <= lastpos )
1687     {
1688         // TODO find a better implementation : while we can get the
1689         // line metrics of a certain line, we don't get its starting
1690         // position, so it would probably be rather a binary search
1691         // for the start position
1692         long xpos = 0 ;
1693         long ypos = 0 ;
1694         int lastHeight = 0 ;
1695
1696         ItemCount n ;
1697         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
1698         {
1699             TXNOffsetToPoint( (TXNObject) m_macTXN,  n , &curpt);
1700
1701             if ( curpt.v > lastHeight )
1702             {
1703                 xpos = 0 ;
1704                 if ( n > 0 )
1705                     ++ypos ;
1706                 lastHeight = curpt.v ;
1707             }
1708             else
1709                 ++xpos ;
1710         }
1711         if ( y ) *y = ypos ;
1712         if ( x ) *x = xpos ;
1713     }
1714 #else
1715     if ( y ) *y = 0 ;
1716     if ( x ) *x = 0 ;
1717 #endif
1718     return FALSE ;
1719 }
1720
1721 void wxTextCtrl::ShowPosition(long pos)
1722 {
1723 #if wxMAC_USE_MLTE
1724 #if TARGET_RT_MAC_MACHO && defined(AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER)
1725     {
1726         Point current ;
1727         Point desired ;
1728         TXNOffset selstart , selend ;
1729         TXNGetSelection(  (TXNObject) m_macTXN , &selstart , &selend) ;
1730         TXNOffsetToPoint( (TXNObject) m_macTXN,  selstart , &current);
1731         TXNOffsetToPoint( (TXNObject) m_macTXN,  pos , &desired);
1732         //TODO use HIPoints for 10.3 and above
1733         if ( (UInt32) TXNScroll != (UInt32) kUnresolvedCFragSymbolAddress )
1734         {
1735             OSErr theErr = noErr;
1736             SInt32 dv = desired.v - current.v ;
1737             SInt32 dh = desired.h - current.h ;
1738             TXNShowSelection(  (TXNObject) m_macTXN , true ) ;
1739             theErr = TXNScroll( (TXNObject) m_macTXN, kTXNScrollUnitsInPixels , kTXNScrollUnitsInPixels , &dv , &dh );
1740             wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
1741         }
1742     }
1743 #endif
1744 #endif
1745 }
1746
1747 int wxTextCtrl::GetLineLength(long lineNo) const
1748 {
1749 #if wxMAC_USE_MLTE
1750     Point curpt ;
1751     if ( lineNo < GetNumberOfLines() )
1752     {
1753         // TODO find a better implementation : while we can get the
1754         // line metrics of a certain line, we don't get its starting
1755         // position, so it would probably be rather a binary search
1756         // for the start position
1757         long xpos = 0 ;
1758         long ypos = 0 ;
1759         int lastHeight = 0 ;
1760         long lastpos = GetLastPosition() ;
1761
1762         ItemCount n ;
1763         for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1764         {
1765             TXNOffsetToPoint( (TXNObject) m_macTXN,  n , &curpt);
1766
1767             if ( curpt.v > lastHeight )
1768             {
1769                 if ( ypos == lineNo )
1770                     return xpos ;
1771
1772                 xpos = 0 ;
1773                 if ( n > 0 )
1774                     ++ypos ;
1775                 lastHeight = curpt.v ;
1776             }
1777             else
1778                 ++xpos ;
1779         }
1780     }
1781 #endif
1782     return 0;
1783 }
1784
1785 wxString wxTextCtrl::GetLineText(long lineNo) const
1786 {
1787     wxString line ;
1788 #if wxMAC_USE_MLTE
1789     Point curpt ;
1790     wxString content = GetValue() ;
1791
1792     if ( lineNo < GetNumberOfLines() )
1793     {
1794         // TODO find a better implementation : while we can get the
1795         // line metrics of a certain line, we don't get its starting
1796         // position, so it would probably be rather a binary search
1797         // for the start position
1798         long xpos = 0 ;
1799         long ypos = 0 ;
1800         int lastHeight = 0 ;
1801         long lastpos = GetLastPosition() ;
1802
1803         ItemCount n ;
1804         for ( n = 0 ; n <= (ItemCount)lastpos ; ++n )
1805         {
1806             TXNOffsetToPoint( (TXNObject) m_macTXN,  n , &curpt);
1807
1808             if ( curpt.v > lastHeight )
1809             {
1810                 if ( ypos == lineNo )
1811                     return line ;
1812
1813                 xpos = 0 ;
1814                 if ( n > 0 )
1815                     ++ypos ;
1816                 lastHeight = curpt.v ;
1817             }
1818             else
1819             {
1820                 if ( ypos == lineNo )
1821                     line += content[n] ;
1822                 ++xpos ;
1823             }
1824         }
1825     }
1826 #endif
1827     return line ;
1828 }
1829
1830 /*
1831  * Text item
1832  */
1833
1834 void wxTextCtrl::Command(wxCommandEvent & event)
1835 {
1836     SetValue (event.GetString());
1837     ProcessCommand (event);
1838 }
1839
1840 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
1841 {
1842     // By default, load the first file into the text window.
1843     if (event.GetNumberOfFiles() > 0)
1844     {
1845         LoadFile(event.GetFiles()[0]);
1846     }
1847 }
1848
1849 void wxTextCtrl::OnChar(wxKeyEvent& event)
1850 {
1851     int key = event.GetKeyCode() ;
1852     bool eat_key = false ;
1853
1854     if ( key == 'c' && event.MetaDown() )
1855     {
1856         if ( CanCopy() )
1857             Copy() ;
1858         return ;
1859     }
1860
1861     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
1862         !( key == WXK_RETURN && ( (m_windowStyle & wxPROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
1863 /*        && key != WXK_PRIOR && key != WXK_NEXT && key != WXK_HOME && key != WXK_END */
1864         )
1865     {
1866         // eat it
1867         return ;
1868     }
1869
1870     // assume that any key not processed yet is going to modify the control
1871     m_dirty = true;
1872
1873     if ( key == 'v' && event.MetaDown() )
1874     {
1875         if ( CanPaste() )
1876             Paste() ;
1877         return ;
1878     }
1879     if ( key == 'x' && event.MetaDown() )
1880     {
1881         if ( CanCut() )
1882             Cut() ;
1883         return ;
1884     }
1885     switch ( key )
1886     {
1887         case WXK_RETURN:
1888             if (m_windowStyle & wxPROCESS_ENTER)
1889             {
1890                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1891                 event.SetEventObject( this );
1892                 event.SetString( GetValue() );
1893                 if ( GetEventHandler()->ProcessEvent(event) )
1894                     return;
1895             }
1896             if ( !(m_windowStyle & wxTE_MULTILINE) )
1897             {
1898                 wxWindow *parent = GetParent();
1899                 while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
1900                   parent = parent->GetParent() ;
1901                 }
1902                 if ( parent && parent->GetDefaultItem() )
1903                 {
1904                     wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
1905                                                           wxButton);
1906                     if ( def && def->IsEnabled() )
1907                     {
1908                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
1909                         event.SetEventObject(def);
1910                         def->Command(event);
1911                         return ;
1912                    }
1913                 }
1914
1915                 // this will make wxWidgets eat the ENTER key so that
1916                 // we actually prevent line wrapping in a single line
1917                 // text control
1918                 eat_key = TRUE;
1919             }
1920
1921             break;
1922
1923         case WXK_TAB:
1924             // always produce navigation event - even if we process TAB
1925             // ourselves the fact that we got here means that the user code
1926             // decided to skip processing of this TAB - probably to let it
1927             // do its default job.
1928             {
1929                 wxNavigationKeyEvent eventNav;
1930                 eventNav.SetDirection(!event.ShiftDown());
1931                 eventNav.SetWindowChange(event.ControlDown());
1932                 eventNav.SetEventObject(this);
1933
1934                 if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
1935                     return;
1936
1937                 event.Skip() ;
1938                 return;
1939             }
1940             break;
1941     }
1942
1943     if (!eat_key)
1944     {
1945         // perform keystroke handling
1946         if ( wxTheApp->MacGetCurrentEvent() != NULL && wxTheApp->MacGetCurrentEventHandlerCallRef() != NULL )
1947             CallNextEventHandler((EventHandlerCallRef)wxTheApp->MacGetCurrentEventHandlerCallRef() , (EventRef) wxTheApp->MacGetCurrentEvent() ) ;
1948         else
1949         {
1950             EventRecord rec ;
1951             if ( wxMacConvertEventToRecord(  (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) )
1952             {
1953                 EventRecord *ev = &rec ;
1954                 short keycode ;
1955                 short keychar ;
1956                 keychar = short(ev->message & charCodeMask);
1957                 keycode = short(ev->message & keyCodeMask) >> 8 ;
1958
1959                 ::HandleControlKey( (ControlRef) m_macControl , keycode , keychar , ev->modifiers ) ;
1960             }
1961         }
1962     }
1963     if ( ( key >= 0x20 && key < WXK_START ) ||
1964          key == WXK_RETURN ||
1965          key == WXK_DELETE ||
1966          key == WXK_BACK)
1967     {
1968         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1969         event1.SetString( GetValue() ) ;
1970         event1.SetEventObject( this );
1971         wxPostEvent(GetEventHandler(),event1);
1972     }
1973 }
1974
1975 // ----------------------------------------------------------------------------
1976 // standard handlers for standard edit menu events
1977 // ----------------------------------------------------------------------------
1978
1979 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1980 {
1981     Cut();
1982 }
1983
1984 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1985 {
1986     Copy();
1987 }
1988
1989 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1990 {
1991     Paste();
1992 }
1993
1994 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1995 {
1996     Undo();
1997 }
1998
1999 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
2000 {
2001     Redo();
2002 }
2003
2004 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
2005 {
2006     event.Enable( CanCut() );
2007 }
2008
2009 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
2010 {
2011     event.Enable( CanCopy() );
2012 }
2013
2014 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
2015 {
2016     event.Enable( CanPaste() );
2017 }
2018
2019 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
2020 {
2021     event.Enable( CanUndo() );
2022 }
2023
2024 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
2025 {
2026     event.Enable( CanRedo() );
2027 }
2028
2029 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
2030 {
2031     return true ;
2032 }
2033
2034 // user pane implementation
2035
2036 void wxTextCtrl::MacControlUserPaneDrawProc(wxInt16 part)
2037 {
2038 }
2039
2040 wxInt16 wxTextCtrl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2041 {
2042     return kControlNoPart ;
2043 }
2044
2045 wxInt16 wxTextCtrl::MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc)
2046 {
2047     return kControlNoPart ;
2048 }
2049
2050 void wxTextCtrl::MacControlUserPaneIdleProc()
2051 {
2052 }
2053
2054 wxInt16 wxTextCtrl::MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2055 {
2056     return kControlNoPart ;
2057 }
2058
2059 void wxTextCtrl::MacControlUserPaneActivateProc(bool activating)
2060 {
2061 }
2062
2063 wxInt16 wxTextCtrl::MacControlUserPaneFocusProc(wxInt16 action)
2064 {
2065     return kControlNoPart ;
2066 }
2067
2068 void wxTextCtrl::MacControlUserPaneBackgroundProc(void* info)
2069 {
2070 }
2071
2072 #endif
2073     // wxUSE_TEXTCTRL