src/mac/textctrl.cpp

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