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