src/mac/carbon/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
  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                     TXNClick( varsp->fTXNRec, (const EventRecord*) wxTheApp->MacGetCurrentEvent());
 300                 }
 301                 break;
 302
 303         }
 304
 305         HSetState((Handle) tpvars, state);
 306     }
 307     return partCodeResult;
 308 }
 309
 310
 311 /* TPPaneIdleProc is our user pane idle routine.  When our text field
 312     is active and in focus, we use this routine to set the cursor. */
 313 static pascal void TPPaneIdleProc(ControlHandle theControl) {
 314     STPTextPaneVars **tpvars, *varsp;
 315         /* set up locals */
 316     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 317     if (tpvars != NULL) {
 318             /* if we're not active, then we have nothing to say about the cursor */
 319         if ((**tpvars).fIsActive) {
 320             char state;
 321             Rect bounds;
 322             Point mousep;
 323                 /* lock down the globals */
 324             state = HGetState((Handle) tpvars);
 325             HLock((Handle) tpvars);
 326             varsp = *tpvars;
 327                 /* get the current mouse coordinates (in our window) */
 328             SetPortWindowPort(GetControlOwner(theControl));
 329             wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 330             GetMouse(&mousep);
 331                 /* there's a 'focus thing' and an 'unfocused thing' */
 332             if (varsp->fInFocus) {
 333                     /* flash the cursor */
 334                 SetPort((**tpvars).fDrawingEnvironment);
 335                 TXNIdle(varsp->fTXNRec);
 336                 /* set the cursor */
 337                 if (PtInRect(mousep, &varsp->fRTextArea)) {
 338                     RgnHandle theRgn;
 339                     RectRgn((theRgn = NewRgn()), &varsp->fRTextArea);
 340                     TXNAdjustCursor(varsp->fTXNRec, theRgn);
 341                     DisposeRgn(theRgn);
 342                  }
 343                  else
 344                  {
 345                  // SetThemeCursor(kThemeArrowCursor);
 346                  }
 347             } else {
 348                 /* if it's in our bounds, set the cursor */
 349                 GetControlBounds(theControl, &bounds);
 350                 if (PtInRect(mousep, &bounds))
 351                 {
 352                 //    SetThemeCursor(kThemeArrowCursor);
 353                 }
 354             }
 355
 356             HSetState((Handle) tpvars, state);
 357         }
 358     }
 359 }
 360
 361
 362 /* TPPaneKeyDownProc is called whenever a keydown event is directed
 363     at our control.  Here, we direct the keydown event to the text
 364     edit record and redraw the scroll bar and text field as appropriate. */
 365 static pascal ControlPartCode TPPaneKeyDownProc(ControlHandle theControl,
 366                             SInt16 keyCode, SInt16 charCode, SInt16 modifiers) {
 367     STPTextPaneVars **tpvars;
 368     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 369     if (tpvars != NULL) {
 370         if ((**tpvars).fInFocus) {
 371                 /* turn autoscrolling on and send the key event to text edit */
 372             SetPort((**tpvars).fDrawingEnvironment);
 373             wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 374             EventRecord ev ;
 375             memset( &ev , 0 , sizeof( ev ) ) ;
 376             ev.what = keyDown ;
 377             ev.modifiers = modifiers ;
 378             ev.message = (( keyCode << 8 ) & keyCodeMask ) + ( charCode & charCodeMask ) ;
 379             TXNKeyDown( (**tpvars).fTXNRec, &ev);
 380         }
 381     }
 382     return kControlEntireControl;
 383 }
 384
 385
 386 /* TPPaneActivateProc is called when the window containing
 387     the user pane control receives activate events. Here, we redraw
 388     the control and it's text as necessary for the activation state. */
 389 static pascal void TPPaneActivateProc(ControlHandle theControl, Boolean activating) {
 390     Rect bounds;
 391     STPTextPaneVars **tpvars, *varsp;
 392     char state;
 393         /* set up locals */
 394     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 395     if (tpvars != NULL) {
 396         state = HGetState((Handle) tpvars);
 397         HLock((Handle) tpvars);
 398         varsp = *tpvars;
 399             /* de/activate the text edit record */
 400         SetPort((**tpvars).fDrawingEnvironment);
 401         wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 402             GetControlBounds(theControl, &bounds);
 403             varsp->fIsActive = activating;
 404             TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 405             /* redraw the frame */
 406         DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 407         if (varsp->fInFocus) DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive);
 408         HSetState((Handle) tpvars, state);
 409     }
 410 }
 411
 412
 413 /* TPPaneFocusProc is called when every the focus changes to or
 414     from our control.  Herein, switch the focus appropriately
 415     according to the parameters and redraw the control as
 416     necessary.  */
 417 static pascal ControlPartCode TPPaneFocusProc(ControlHandle theControl, ControlFocusPart action) {
 418     ControlPartCode focusResult;
 419     STPTextPaneVars **tpvars, *varsp;
 420     char state;
 421         /* set up locals */
 422     focusResult = kControlFocusNoPart;
 423     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 424     if (tpvars != NULL) {
 425         state = HGetState((Handle) tpvars);
 426         HLock((Handle) tpvars);
 427         varsp = *tpvars;
 428             /* if kControlFocusPrevPart and kControlFocusNextPart are received when the user is
 429             tabbing forwards (or shift tabbing backwards) through the items in the dialog,
 430             and kControlFocusNextPart will be received.  When the user clicks in our field
 431             and it is not the current focus, then the constant kUserClickedToFocusPart will
 432             be received.  The constant kControlFocusNoPart will be received when our control
 433             is the current focus and the user clicks in another control.  In your focus routine,
 434             you should respond to these codes as follows:
 435
 436             kControlFocusNoPart - turn off focus and return kControlFocusNoPart.  redraw
 437                 the control and the focus rectangle as necessary.
 438
 439             kControlFocusPrevPart or kControlFocusNextPart - toggle focus on or off
 440                 depending on its current state.  redraw the control and the focus rectangle
 441                 as appropriate for the new focus state.  If the focus state is 'off', return the constant
 442                 kControlFocusNoPart, otherwise return a non-zero part code.
 443             kUserClickedToFocusPart - is a constant defined for this example.  You should
 444                 define your own value for handling click-to-focus type events. */
 445             /* save the drawing state */
 446         SetPort((**tpvars).fDrawingEnvironment);
 447         wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 448             /* calculate the next highlight state */
 449         switch (action) {
 450             default:
 451             case kControlFocusNoPart:
 452                 TPFocusPaneText(tpvars, false);
 453                 focusResult = kControlFocusNoPart;
 454                 break;
 455             case kUserClickedToFocusPart:
 456                 TPFocusPaneText(tpvars, true);
 457                 focusResult = 1;
 458                 break;
 459             case kControlFocusPrevPart:
 460             case kControlFocusNextPart:
 461                 TPFocusPaneText(tpvars, ( ! varsp->fInFocus));
 462                 focusResult = varsp->fInFocus ? 1 : kControlFocusNoPart;
 463                 break;
 464         }
 465             TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 466             /* redraw the text fram and focus rectangle to indicate the
 467             new focus state */
 468         DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 469         DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive && varsp->fInFocus);
 470             /* done */
 471         HSetState((Handle) tpvars, state);
 472     }
 473     return focusResult;
 474 }
 475
 476
 477 /* mUPOpenControl initializes a user pane control so it will be drawn
 478     and will behave as a scrolling text edit field inside of a window.
 479     This routine performs all of the initialization steps necessary,
 480     except it does not create the user pane control itself.  theControl
 481     should refer to a user pane control that you have either created
 482     yourself or extracted from a dialog's control heirarchy using
 483     the GetDialogItemAsControl routine.  */
 484 OSStatus mUPOpenControl(ControlHandle theControl, long wxStyle )
 485 {
 486     Rect bounds;
 487     WindowRef theWindow;
 488     STPTextPaneVars **tpvars, *varsp;
 489     OSStatus err = noErr ;
 490     RGBColor rgbWhite = {0xFFFF, 0xFFFF, 0xFFFF};
 491     TXNBackground tback;
 492
 493         /* set up our globals */
 494     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(TPPaneDrawProc);
 495     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(TPPaneHitTestProc);
 496     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(TPPaneTrackingProc);
 497     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(TPPaneIdleProc);
 498     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(TPPaneKeyDownProc);
 499     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(TPPaneActivateProc);
 500     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(TPPaneFocusProc);
 501
 502         /* allocate our private storage */
 503     tpvars = (STPTextPaneVars **) NewHandleClear(sizeof(STPTextPaneVars));
 504     SetControlReference(theControl, (long) tpvars);
 505     HLock((Handle) tpvars);
 506     varsp = *tpvars;
 507         /* set the initial settings for our private data */
 508     varsp->fMultiline = wxStyle & wxTE_MULTILINE ;
 509     varsp->fInFocus = false;
 510     varsp->fIsActive = true;
 511     varsp->fTEActive = true; // in order to get a deactivate
 512     varsp->fUserPaneRec = theControl;
 513     theWindow = varsp->fOwner = GetControlOwner(theControl);
 514
 515     varsp->fDrawingEnvironment = (GrafPtr)  GetWindowPort(theWindow);
 516
 517     varsp->fInDialogWindow = ( GetWindowKind(varsp->fOwner) == kDialogWindowKind );
 518         /* set up the user pane procedures */
 519     SetControlData(theControl, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
 520     SetControlData(theControl, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
 521     SetControlData(theControl, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
 522     SetControlData(theControl, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
 523     SetControlData(theControl, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
 524     SetControlData(theControl, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
 525     SetControlData(theControl, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
 526         /* calculate the rectangles used by the control */
 527     GetControlBounds(theControl, &bounds);
 528     SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 529     SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 530     SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
 531         bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
 532         /* calculate the background region for the text.  In this case, it's kindof
 533         and irregular region because we're setting the scroll bar a little ways inside
 534         of the text area. */
 535     RectRgn((varsp->fTextBackgroundRgn = NewRgn()), &varsp->fRTextOutline);
 536
 537         /* set up the drawing environment */
 538     SetPort(varsp->fDrawingEnvironment);
 539
 540         /* create the new edit field */
 541
 542     TXNFrameOptions frameOptions =
 543         kTXNDontDrawCaretWhenInactiveMask ;
 544     if ( ! ( wxStyle & wxTE_NOHIDESEL ) )
 545         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
 546
 547     if ( wxStyle & wxTE_MULTILINE )
 548     {
 549         if ( ! ( wxStyle & wxTE_DONTWRAP ) )
 550             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 551         else
 552         {
 553             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 554             frameOptions |= kTXNWantHScrollBarMask ;
 555         }
 556
 557         if ( !(wxStyle & wxTE_NO_VSCROLL ) )
 558             frameOptions |= kTXNWantVScrollBarMask ;
 559     }
 560     else
 561         frameOptions |= kTXNSingleLineOnlyMask ;
 562
 563     if ( wxStyle & wxTE_READONLY )
 564         frameOptions |= kTXNReadOnlyMask ;
 565
 566     TXNNewObject(NULL, varsp->fOwner, &varsp->fRTextArea,
 567         frameOptions ,
 568         kTXNTextEditStyleFrameType,
 569         kTXNTextensionFile,
 570         kTXNSystemDefaultEncoding,
 571         &varsp->fTXNRec, &varsp->fTXNFrame, (TXNObjectRefcon) tpvars);
 572
 573         Str255 fontName ;
 574         SInt16 fontSize ;
 575         Style fontStyle ;
 576
 577         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 578
 579         TXNTypeAttributes typeAttr[] =
 580         {
 581             {   kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 582             {   kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 583             {   kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , {  (void*) normal } } ,
 584         } ;
 585
 586     err = TXNSetTypeAttributes (varsp->fTXNRec, sizeof( typeAttr ) / sizeof(TXNTypeAttributes) , typeAttr,
 587           kTXNStartOffset,
 588           kTXNEndOffset);
 589         /* set the field's background */
 590     tback.bgType = kTXNBackgroundTypeRGB;
 591     tback.bg.color = rgbWhite;
 592     TXNSetBackground( varsp->fTXNRec, &tback);
 593
 594         /* unlock our storage */
 595     HUnlock((Handle) tpvars);
 596         /* perform final activations and setup for our text field.  Here,
 597         we assume that the window is going to be the 'active' window. */
 598     TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 599         /* all done */
 600     return err;
 601 }
 602
 603
 604
 605
 606 #if !USE_SHARED_LIBRARY
 607 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 608
 609 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 610     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 611     EVT_CHAR(wxTextCtrl::OnChar)
 612     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 613     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 614     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 615     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 616     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 617
 618     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 619     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 620     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 621     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 622     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 623 END_EVENT_TABLE()
 624 #endif
 625
 626 // Text item
 627 wxTextCtrl::wxTextCtrl()
 628 {
 629   m_macTE = NULL ;
 630   m_macTXN = NULL ;
 631   m_macTXNvars = NULL ;
 632   m_macUsesTXN = false ;
 633   m_editable = true ;
 634   m_maxLength = TE_UNLIMITED_LENGTH ;
 635 }
 636
 637 wxTextCtrl::~wxTextCtrl()
 638 {
 639     if ( m_macUsesTXN )
 640     {
 641         SetControlReference((ControlHandle)m_macControl, 0) ;
 642         TXNDeleteObject((TXNObject)m_macTXN);
 643         /* delete our private storage */
 644         DisposeHandle((Handle) m_macTXNvars);
 645         /* zero the control reference */
 646     }
 647 }
 648
 649 const short kVerticalMargin = 2 ;
 650 const short kHorizontalMargin = 2 ;
 651
 652 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
 653            const wxString& st,
 654            const wxPoint& pos,
 655            const wxSize& size, long style,
 656            const wxValidator& validator,
 657            const wxString& name)
 658 {
 659   m_macTE = NULL ;
 660   m_macTXN = NULL ;
 661   m_macTXNvars = NULL ;
 662   m_macUsesTXN = false ;
 663   m_editable = true ;
 664
 665   m_macUsesTXN = ! (style & wxTE_PASSWORD ) ;
 666
 667   m_macUsesTXN &= (TXNInitTextension != (void*) kUnresolvedCFragSymbolAddress) ;
 668
 669     // base initialization
 670     if ( !CreateBase(parent, id, pos, size, style, validator, name) )
 671         return FALSE;
 672
 673     wxSize mySize = size ;
 674     if ( m_macUsesTXN )
 675     {
 676         m_macHorizontalBorder = 5 ; // additional pixels around the real control
 677         m_macVerticalBorder = 3 ;
 678     }
 679     else
 680     {
 681         m_macHorizontalBorder = 5 ; // additional pixels around the real control
 682         m_macVerticalBorder = 5 ;
 683     }
 684
 685
 686     Rect bounds ;
 687     Str255 title ;
 688     /*
 689     if ( mySize.y == -1 )
 690     {
 691         mySize.y = 13 ;
 692         if ( m_windowStyle & wxTE_MULTILINE )
 693             mySize.y *= 5 ;
 694
 695         mySize.y += 2 * m_macVerticalBorder ;
 696     }
 697     */
 698     MacPreControlCreate( parent , id ,  "" , pos , mySize ,style, validator , name , &bounds , title ) ;
 699
 700     if ( m_windowStyle & wxTE_MULTILINE )
 701     {
 702         wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
 703                       wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
 704
 705         m_windowStyle |= wxTE_PROCESS_ENTER;
 706     }
 707
 708     if ( m_windowStyle & wxTE_READONLY)
 709     {
 710         m_editable = FALSE ;
 711     }
 712
 713     if ( !m_macUsesTXN )
 714     {
 715         m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , "\p" , true , 0 , 0 , 1,
 716             (style & wxTE_PASSWORD) ? kControlEditTextPasswordProc : kControlEditTextProc , (long) this ) ;
 717         long size ;
 718         ::GetControlData((ControlHandle)  m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &((TEHandle) m_macTE) , &size ) ;
 719
 720     }
 721     else
 722     {
 723         short featurSet;
 724
 725         featurSet = kControlSupportsEmbedding | kControlSupportsFocus  | kControlWantsIdle
 726                 | kControlWantsActivate | kControlHandlesTracking | kControlHasSpecialBackground
 727                 | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
 728             /* create the control */
 729         m_macControl = NewControl(MAC_WXHWND(parent->MacGetRootWindow()), &bounds, "\p", true, featurSet, 0, featurSet, kControlUserPaneProc, 0);
 730             /* set up the mUP specific features and data */
 731         mUPOpenControl((ControlHandle) m_macControl, m_windowStyle );
 732         if ( parent )
 733         {
 734             parent->MacGetTopLevelWindow()->MacInstallEventHandler() ;
 735         }
 736     }
 737     MacPostControlCreate() ;
 738
 739     wxString value ;
 740
 741     if( wxApp::s_macDefaultEncodingIsPC )
 742         value = wxMacMakeMacStringFromPC( st ) ;
 743     else
 744         value = st ;
 745
 746     if ( !m_macUsesTXN )
 747     {
 748         ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
 749     }
 750     else
 751     {
 752         STPTextPaneVars **tpvars;
 753             /* set up locals */
 754         tpvars = (STPTextPaneVars **) GetControlReference((ControlHandle) m_macControl);
 755             /* set the text in the record */
 756         TXNSetData( (**tpvars).fTXNRec, kTXNTextData,  (void*)value.c_str(), value.Length(),
 757           kTXNStartOffset, kTXNEndOffset);
 758         m_macTXN =  (**tpvars).fTXNRec ;
 759         m_macTXNvars = tpvars ;
 760         m_macUsesTXN = true ;
 761         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 762         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 763     }
 764
 765   return TRUE;
 766 }
 767
 768 wxString wxTextCtrl::GetValue() const
 769 {
 770     Size actualsize;
 771
 772     if ( !m_macUsesTXN )
 773     {
 774         ::GetControlData( (ControlHandle) m_macControl, 0,
 775             ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag,
 776             32767 , wxBuffer , &actualsize ) ;
 777     }
 778     else
 779     {
 780         Handle theText ;
 781         OSStatus err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
 782         // all done
 783         if ( err )
 784         {
 785             actualsize = 0 ;
 786         }
 787         else
 788         {
 789             actualsize = GetHandleSize( theText ) ;
 790             if (actualsize != 0)
 791               strncpy( wxBuffer , *theText , actualsize ) ;
 792             DisposeHandle( theText ) ;
 793         }
 794     }
 795
 796     wxBuffer[actualsize] = 0 ;
 797
 798     wxString value;
 799
 800     if( wxApp::s_macDefaultEncodingIsPC )
 801     {
 802         value = wxMacMakePCStringFromMac( wxBuffer ) ;
 803         value.Replace( "\r", "\n" );
 804     }
 805     else
 806         value = wxBuffer;
 807
 808
 809     return value;
 810 }
 811
 812 void wxTextCtrl::GetSelection(long* from, long* to) const
 813 {
 814   if ( !m_macUsesTXN )
 815   {
 816     *from = (**((TEHandle) m_macTE)).selStart;
 817     *to = (**((TEHandle) m_macTE)).selEnd;
 818    }
 819    else
 820    {
 821         TXNGetSelection(  ((TXNObject) m_macTXN) , (TXNOffset*) from , (TXNOffset*) to ) ;
 822    }
 823 }
 824
 825 void wxTextCtrl::SetValue(const wxString& st)
 826 {
 827     wxString value;
 828
 829     if( wxApp::s_macDefaultEncodingIsPC )
 830     {
 831         value = wxMacMakeMacStringFromPC( st ) ;
 832         value.Replace( "\n", "\r" );
 833     }
 834     else
 835         value = st;
 836
 837
 838     if ( !m_macUsesTXN )
 839     {
 840         ::SetControlData((ControlHandle)  m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
 841     }
 842     else
 843     {
 844         bool formerEditable = IsEditable() ;
 845         if ( !formerEditable )
 846             SetEditable(true) ;
 847         TXNSetData( ((TXNObject) m_macTXN), kTXNTextData,  (void*)value.c_str(), value.Length(),
 848           kTXNStartOffset, kTXNEndOffset);
 849         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 850         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 851         if ( !formerEditable )
 852             SetEditable(formerEditable) ;
 853     }
 854     MacRedrawControl() ;
 855 }
 856
 857 void wxTextCtrl::SetMaxLength(unsigned long len)
 858 {
 859     m_maxLength = len ;
 860 }
 861
 862 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 863 {
 864     if ( m_macUsesTXN )
 865     {
 866         bool formerEditable = IsEditable() ;
 867         if ( !formerEditable )
 868             SetEditable(true) ;
 869         TXNTypeAttributes typeAttr[4] ;
 870         Str255 fontName = "\pMonaco" ;
 871         SInt16 fontSize = 12 ;
 872         Style fontStyle = normal ;
 873         RGBColor color ;
 874         int attrCounter = 0 ;
 875         if ( style.HasFont() )
 876         {
 877             const wxFont &font = style.GetFont() ;
 878             CopyCStringToPascal( font.GetFaceName().c_str() , fontName ) ;
 879             fontSize = font.GetPointSize() ;
 880             if ( font.GetUnderlined() )
 881                 fontStyle |= underline ;
 882             if ( font.GetWeight() == wxBOLD )
 883                 fontStyle |= bold ;
 884             if ( font.GetStyle() == wxITALIC )
 885                 fontStyle |= italic ;
 886
 887             typeAttr[attrCounter].tag = kTXNQDFontNameAttribute ;
 888             typeAttr[attrCounter].size = kTXNQDFontNameAttributeSize ;
 889             typeAttr[attrCounter].data.dataPtr = (void*) fontName ;
 890             typeAttr[attrCounter+1].tag = kTXNQDFontSizeAttribute ;
 891             typeAttr[attrCounter+1].size = kTXNFontSizeAttributeSize ;
 892             typeAttr[attrCounter+1].data.dataValue =  (fontSize << 16) ;
 893             typeAttr[attrCounter+2].tag = kTXNQDFontStyleAttribute ;
 894             typeAttr[attrCounter+2].size = kTXNQDFontStyleAttributeSize ;
 895             typeAttr[attrCounter+2].data.dataValue = fontStyle ;
 896             attrCounter += 3 ;
 897
 898         }
 899         if ( style.HasTextColour() )
 900         {
 901             typeAttr[attrCounter].tag = kTXNQDFontColorAttribute ;
 902             typeAttr[attrCounter].size = kTXNQDFontColorAttributeSize ;
 903             typeAttr[attrCounter].data.dataPtr = (void*) &color ;
 904             color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
 905             attrCounter += 1 ;
 906         }
 907
 908         if ( attrCounter > 0 )
 909         {
 910             OSStatus status = TXNSetTypeAttributes ((TXNObject)m_macTXN, attrCounter , typeAttr,
 911                 start,end);
 912             wxASSERT_MSG( status == noErr , "Couldn't set text attributes" ) ;
 913         }
 914         if ( !formerEditable )
 915             SetEditable(formerEditable) ;
 916     }
 917     return TRUE ;
 918 }
 919
 920 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 921 {
 922     wxTextCtrlBase::SetDefaultStyle( style ) ;
 923     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 924     return TRUE ;
 925 }
 926
 927 // Clipboard operations
 928 void wxTextCtrl::Copy()
 929 {
 930     if (CanCopy())
 931     {
 932       if ( !m_macUsesTXN )
 933       {
 934             TECopy( ((TEHandle) m_macTE) ) ;
 935             ClearCurrentScrap();
 936             TEToScrap() ;
 937             MacRedrawControl() ;
 938         }
 939         else
 940         {
 941             ClearCurrentScrap();
 942             TXNCopy((TXNObject)m_macTXN);
 943             TXNConvertToPublicScrap();
 944         }
 945     }
 946 }
 947
 948 void wxTextCtrl::Cut()
 949 {
 950     if (CanCut())
 951     {
 952         if ( !m_macUsesTXN )
 953         {
 954             TECut( ((TEHandle) m_macTE) ) ;
 955             ClearCurrentScrap();
 956             TEToScrap() ;
 957             MacRedrawControl() ;
 958         }
 959         else
 960         {
 961             ClearCurrentScrap();
 962             TXNCut((TXNObject)m_macTXN);
 963             TXNConvertToPublicScrap();
 964         }
 965         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
 966         event.SetString( GetValue() ) ;
 967         event.SetEventObject( this );
 968         GetEventHandler()->ProcessEvent(event);
 969       }
 970 }
 971
 972 void wxTextCtrl::Paste()
 973 {
 974     if (CanPaste())
 975     {
 976         if ( !m_macUsesTXN )
 977         {
 978             TEFromScrap() ;
 979             TEPaste( (TEHandle) m_macTE ) ;
 980             MacRedrawControl() ;
 981         }
 982         else
 983         {
 984             TXNConvertFromPublicScrap();
 985             TXNPaste((TXNObject)m_macTXN);
 986             SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 987         }
 988         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
 989         event.SetString( GetValue() ) ;
 990         event.SetEventObject( this );
 991         GetEventHandler()->ProcessEvent(event);
 992     }
 993 }
 994
 995 bool wxTextCtrl::CanCopy() const
 996 {
 997     // Can copy if there's a selection
 998     long from, to;
 999     GetSelection(& from, & to);
1000     return (from != to);
1001 }
1002
1003 bool wxTextCtrl::CanCut() const
1004 {
1005     if ( !IsEditable() )
1006     {
1007         return false ;
1008     }
1009     // Can cut if there's a selection
1010     long from, to;
1011     GetSelection(& from, & to);
1012     return (from != to);
1013 }
1014
1015 bool wxTextCtrl::CanPaste() const
1016 {
1017     if (!IsEditable())
1018         return FALSE;
1019
1020 #if TARGET_CARBON
1021     OSStatus err = noErr;
1022     ScrapRef scrapRef;
1023
1024     err = GetCurrentScrap( &scrapRef );
1025     if ( err != noTypeErr && err != memFullErr )
1026     {
1027         ScrapFlavorFlags    flavorFlags;
1028         Size                byteCount;
1029
1030         if (( err = GetScrapFlavorFlags( scrapRef, 'TEXT', &flavorFlags )) == noErr)
1031         {
1032             if (( err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount )) == noErr)
1033             {
1034                 return TRUE ;
1035             }
1036         }
1037     }
1038     return FALSE;
1039
1040 #else
1041     long offset ;
1042     if ( GetScrap( NULL , 'TEXT' , &offset ) > 0 )
1043     {
1044         return TRUE ;
1045     }
1046 #endif
1047     return FALSE ;
1048 }
1049
1050 void wxTextCtrl::SetEditable(bool editable)
1051 {
1052     if ( editable != m_editable )
1053     {
1054         m_editable = editable ;
1055         if ( !m_macUsesTXN )
1056         {
1057             if ( editable )
1058                 UMAActivateControl( (ControlHandle) m_macControl ) ;
1059             else
1060                 UMADeactivateControl((ControlHandle)  m_macControl ) ;
1061         }
1062         else
1063         {
1064             TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1065             TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1066             TXNSetTXNObjectControls( (TXNObject) m_macTXN , false , sizeof(tag) / sizeof (TXNControlTag) , tag , data ) ;
1067         }
1068     }
1069 }
1070
1071 void wxTextCtrl::SetInsertionPoint(long pos)
1072 {
1073     SetSelection( pos , pos ) ;
1074 }
1075
1076 void wxTextCtrl::SetInsertionPointEnd()
1077 {
1078     long pos = GetLastPosition();
1079     SetInsertionPoint(pos);
1080 }
1081
1082 long wxTextCtrl::GetInsertionPoint() const
1083 {
1084   long begin,end ;
1085   GetSelection( &begin , &end ) ;
1086   return begin ;
1087 }
1088
1089 long wxTextCtrl::GetLastPosition() const
1090 {
1091     if ( !m_macUsesTXN )
1092   {
1093     return (**((TEHandle) m_macTE)).teLength ;
1094   }
1095   else
1096   {
1097     Handle theText ;
1098     long actualsize ;
1099     OSErr err = TXNGetDataEncoded( (TXNObject) m_macTXN, kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
1100         /* all done */
1101     if ( err )
1102     {
1103       actualsize = 0 ;
1104     }
1105     else
1106     {
1107       actualsize = GetHandleSize( theText ) ;
1108       DisposeHandle( theText ) ;
1109     }
1110     return actualsize ;
1111   }
1112 }
1113
1114 void wxTextCtrl::Replace(long from, long to, const wxString& value)
1115 {
1116   if ( !m_macUsesTXN )
1117   {
1118         ControlEditTextSelectionRec selection ;
1119
1120         selection.selStart = from ;
1121         selection.selEnd = to ;
1122         ::SetControlData((ControlHandle)  m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
1123         TESetSelect( from , to  , ((TEHandle) m_macTE) ) ;
1124         TEDelete( ((TEHandle) m_macTE) ) ;
1125         TEInsert( value , value.Length() , ((TEHandle) m_macTE) ) ;
1126     }
1127     else
1128     {
1129         bool formerEditable = IsEditable() ;
1130         if ( !formerEditable )
1131             SetEditable(true) ;
1132         TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1133         TXNClear( ((TXNObject) m_macTXN) ) ;
1134         TXNSetData( ((TXNObject) m_macTXN), kTXNTextData,  (void*)value.c_str(), value.Length(),
1135         kTXNUseCurrentSelection, kTXNUseCurrentSelection);
1136         if ( !formerEditable )
1137             SetEditable( formerEditable ) ;
1138     }
1139     Refresh() ;
1140 }
1141
1142 void wxTextCtrl::Remove(long from, long to)
1143 {
1144   if ( !m_macUsesTXN )
1145   {
1146     ControlEditTextSelectionRec selection ;
1147
1148     selection.selStart = from ;
1149     selection.selEnd = to ;
1150     ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
1151     TEDelete( ((TEHandle) m_macTE) ) ;
1152   }
1153   else
1154   {
1155     bool formerEditable = IsEditable() ;
1156     if ( !formerEditable )
1157         SetEditable(true) ;
1158     TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1159     TXNClear( ((TXNObject) m_macTXN) ) ;
1160     if ( !formerEditable )
1161         SetEditable( formerEditable ) ;
1162   }
1163     Refresh() ;
1164 }
1165
1166 void wxTextCtrl::SetSelection(long from, long to)
1167 {
1168
1169   if ( !m_macUsesTXN )
1170   {
1171    ControlEditTextSelectionRec selection ;
1172    selection.selStart = from ;
1173    selection.selEnd = to ;
1174
1175    TESetSelect( selection.selStart , selection.selEnd , ((TEHandle) m_macTE) ) ;
1176    ::SetControlData((ControlHandle)  m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
1177   }
1178   else
1179   {
1180     STPTextPaneVars **tpvars;
1181         /* set up our locals */
1182     tpvars = (STPTextPaneVars **) GetControlReference((ControlHandle) m_macControl);
1183         /* and our drawing environment as the operation
1184         may force a redraw in the text area. */
1185     SetPort((**tpvars).fDrawingEnvironment);
1186         /* change the selection */
1187     TXNSetSelection( (**tpvars).fTXNRec, from, to);
1188     TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
1189   }
1190 }
1191
1192 bool wxTextCtrl::LoadFile(const wxString& file)
1193 {
1194     if ( wxTextCtrlBase::LoadFile(file) )
1195     {
1196         return TRUE;
1197     }
1198
1199     return FALSE;
1200 }
1201
1202 void wxTextCtrl::WriteText(const wxString& text)
1203 {
1204     wxString value ;
1205     if( wxApp::s_macDefaultEncodingIsPC )
1206     {
1207         value = wxMacMakeMacStringFromPC( text ) ;
1208         value.Replace( "\n", "\r" );
1209     }
1210     else
1211         value = text ;
1212
1213     if ( !m_macUsesTXN )
1214     {
1215         TEInsert( value , value.Length() , ((TEHandle) m_macTE) ) ;
1216     }
1217     else
1218     {
1219         bool formerEditable = IsEditable() ;
1220         if ( !formerEditable )
1221             SetEditable(true) ;
1222         long start , end , dummy ;
1223         GetSelection( &start , &dummy ) ;
1224         TXNSetData( ((TXNObject) m_macTXN), kTXNTextData, (void*) (const char*)value, value.Length(),
1225           kTXNUseCurrentSelection, kTXNUseCurrentSelection);
1226         GetSelection( &dummy , &end ) ;
1227         SetStyle( start , end , GetDefaultStyle() ) ;
1228         if ( !formerEditable )
1229             SetEditable( formerEditable ) ;
1230     }
1231     MacRedrawControl() ;
1232 }
1233
1234 void wxTextCtrl::AppendText(const wxString& text)
1235 {
1236     SetInsertionPointEnd();
1237     WriteText(text);
1238 }
1239
1240 void wxTextCtrl::Clear()
1241 {
1242     if ( !IsEditable() )
1243     {
1244         return ;
1245     }
1246   if ( !m_macUsesTXN )
1247   {
1248     ::SetControlData((ControlHandle)  m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 0 , (char*) ((const char*)NULL) ) ;
1249   }
1250   else
1251   {
1252         TXNSetSelection( (TXNObject)m_macTXN , kTXNStartOffset , kTXNEndOffset ) ;
1253         TXNClear((TXNObject)m_macTXN);
1254   }
1255     Refresh() ;
1256 }
1257
1258 bool wxTextCtrl::IsModified() const
1259 {
1260     return TRUE;
1261 }
1262
1263 bool wxTextCtrl::IsEditable() const
1264 {
1265     return IsEnabled() && m_editable ;
1266 }
1267
1268 bool wxTextCtrl::AcceptsFocus() const
1269 {
1270     // we don't want focus if we can't be edited
1271     return /*IsEditable() && */ wxControl::AcceptsFocus();
1272 }
1273
1274 wxSize wxTextCtrl::DoGetBestSize() const
1275 {
1276     int wText = 100 ;
1277
1278     int hText;
1279     if ( m_macUsesTXN )
1280     {
1281         hText = 17 ;
1282     }
1283     else
1284     {
1285         hText = 13 ;
1286     }
1287 /*
1288     int cx, cy;
1289     wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
1290
1291     int wText = DEFAULT_ITEM_WIDTH;
1292
1293     int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
1294
1295     return wxSize(wText, hText);
1296 */
1297     if ( m_windowStyle & wxTE_MULTILINE )
1298     {
1299          hText *= 5 ;
1300     }
1301     hText += 2 * m_macVerticalBorder ;
1302     wText += 2 * m_macHorizontalBorder ;
1303     //else: for single line control everything is ok
1304     return wxSize(wText, hText);
1305 }
1306
1307 // ----------------------------------------------------------------------------
1308 // Undo/redo
1309 // ----------------------------------------------------------------------------
1310
1311 void wxTextCtrl::Undo()
1312 {
1313     if (CanUndo())
1314     {
1315     }
1316 }
1317
1318 void wxTextCtrl::Redo()
1319 {
1320     if (CanRedo())
1321     {
1322     }
1323 }
1324
1325 bool wxTextCtrl::CanUndo() const
1326 {
1327     return FALSE ;
1328 }
1329
1330 bool wxTextCtrl::CanRedo() const
1331 {
1332     return FALSE ;
1333 }
1334
1335 // Makes 'unmodified'
1336 void wxTextCtrl::DiscardEdits()
1337 {
1338     // TODO
1339 }
1340
1341 int wxTextCtrl::GetNumberOfLines() const
1342 {
1343   // TODO change this if possible to reflect real lines
1344   wxString content = GetValue() ;
1345
1346     int count = 1;
1347     for (size_t i = 0; i < content.Length() ; i++)
1348     {
1349         if (content[i] == '\r') count++;
1350     }
1351
1352     return count;
1353 }
1354
1355 long wxTextCtrl::XYToPosition(long x, long y) const
1356 {
1357     // TODO
1358     return 0;
1359 }
1360
1361 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
1362 {
1363     return FALSE ;
1364 }
1365
1366 void wxTextCtrl::ShowPosition(long pos)
1367 {
1368     // TODO
1369 }
1370
1371 int wxTextCtrl::GetLineLength(long lineNo) const
1372 {
1373   // TODO change this if possible to reflect real lines
1374   wxString content = GetValue() ;
1375
1376     // Find line first
1377     int count = 0;
1378     for (size_t i = 0; i < content.Length() ; i++)
1379     {
1380         if (count == lineNo)
1381         {
1382             // Count chars in line then
1383             count = 0;
1384             for (size_t j = i; j < content.Length(); j++)
1385             {
1386                 count++;
1387                 if (content[j] == '\r') return count;
1388             }
1389
1390             return count;
1391         }
1392         if (content[i] == '\r') count++;
1393     }
1394     return 0;
1395 }
1396
1397 wxString wxTextCtrl::GetLineText(long lineNo) const
1398 {
1399   // TODO change this if possible to reflect real lines
1400   wxString content = GetValue() ;
1401
1402     // Find line first
1403     int count = 0;
1404     for (size_t i = 0; i < content.Length() ; i++)
1405     {
1406         if (count == lineNo)
1407         {
1408             // Add chars in line then
1409             wxString tmp("");
1410
1411             for (size_t j = i; j < content.Length(); j++)
1412             {
1413                 if (content[j] == '\r')
1414                     return tmp;
1415
1416                 tmp += content[j];
1417             }
1418
1419             return tmp;
1420         }
1421         if (content[i] == '\r') count++;
1422     }
1423     return "" ;
1424 }
1425
1426 /*
1427  * Text item
1428  */
1429
1430 void wxTextCtrl::Command(wxCommandEvent & event)
1431 {
1432     SetValue (event.GetString());
1433     ProcessCommand (event);
1434 }
1435
1436 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
1437 {
1438     // By default, load the first file into the text window.
1439     if (event.GetNumberOfFiles() > 0)
1440     {
1441         LoadFile(event.GetFiles()[0]);
1442     }
1443 }
1444
1445 void wxTextCtrl::OnChar(wxKeyEvent& event)
1446 {
1447     int key = event.GetKeyCode() ;
1448     bool eat_key = false ;
1449
1450     if ( key == 'c' && event.MetaDown() )
1451     {
1452         if ( CanCopy() )
1453             Copy() ;
1454         return ;
1455     }
1456
1457     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
1458         !( key == WXK_RETURN && ( (m_windowStyle & wxPROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
1459 /*        && key != WXK_PRIOR && key != WXK_NEXT && key != WXK_HOME && key != WXK_END */
1460         )
1461     {
1462         // eat it
1463         return ;
1464     }
1465     if ( key == 'v' && event.MetaDown() )
1466     {
1467         if ( CanPaste() )
1468             Paste() ;
1469         return ;
1470     }
1471     if ( key == 'x' && event.MetaDown() )
1472     {
1473         if ( CanCut() )
1474             Cut() ;
1475         return ;
1476     }
1477     switch ( key )
1478     {
1479         case WXK_RETURN:
1480             if (m_windowStyle & wxPROCESS_ENTER)
1481             {
1482                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1483                 event.SetEventObject( this );
1484                 event.SetString( GetValue() );
1485                 if ( GetEventHandler()->ProcessEvent(event) )
1486                     return;
1487             }
1488             if ( !(m_windowStyle & wxTE_MULTILINE) )
1489             {
1490                 wxWindow *parent = GetParent();
1491                 while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
1492                   parent = parent->GetParent() ;
1493                 }
1494                 if ( parent && parent->GetDefaultItem() )
1495                 {
1496                     wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
1497                                                           wxButton);
1498                     if ( def && def->IsEnabled() )
1499                     {
1500                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
1501                         event.SetEventObject(def);
1502                         def->Command(event);
1503                         return ;
1504                    }
1505                 }
1506
1507                 // this will make wxWindows eat the ENTER key so that
1508                 // we actually prevent line wrapping in a single line
1509                 // text control
1510                 eat_key = TRUE;
1511             }
1512
1513             break;
1514
1515         case WXK_TAB:
1516             // always produce navigation event - even if we process TAB
1517             // ourselves the fact that we got here means that the user code
1518             // decided to skip processing of this TAB - probably to let it
1519             // do its default job.
1520             {
1521                 wxNavigationKeyEvent eventNav;
1522                 eventNav.SetDirection(!event.ShiftDown());
1523                 eventNav.SetWindowChange(event.ControlDown());
1524                 eventNav.SetEventObject(this);
1525
1526                 if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
1527                     return;
1528
1529                 event.Skip() ;
1530                 return;
1531             }
1532             break;
1533     }
1534
1535     if (!eat_key)
1536     {
1537         // default handling
1538         event.Skip() ;
1539     }
1540     if ( ( key >= 0x20 && key < WXK_START ) ||
1541          key == WXK_RETURN ||
1542          key == WXK_DELETE ||
1543          key == WXK_BACK)
1544     {
1545         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1546         event1.SetString( GetValue() ) ;
1547         event1.SetEventObject( this );
1548         wxPostEvent(GetEventHandler(),event1);
1549     }
1550 }
1551
1552 void  wxTextCtrl::MacSuperShown( bool show )
1553 {
1554     bool former = m_macControlIsShown ;
1555     wxControl::MacSuperShown( show ) ;
1556     if ( (former != m_macControlIsShown) && m_macUsesTXN )
1557     {
1558         if ( m_macControlIsShown )
1559             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1560                 (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom,(**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1561         else
1562             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1563                (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1564     }
1565 }
1566
1567 bool  wxTextCtrl::Show(bool show)
1568 {
1569     bool former = m_macControlIsShown ;
1570
1571     bool retval = wxControl::Show( show ) ;
1572
1573     if ( former != m_macControlIsShown && show )
1574     {
1575         if ( m_macControlIsShown )
1576             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1577                 (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom,(**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1578         else
1579             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1580                (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1581     }
1582
1583     return retval ;
1584 }
1585
1586 // ----------------------------------------------------------------------------
1587 // standard handlers for standard edit menu events
1588 // ----------------------------------------------------------------------------
1589
1590 void wxTextCtrl::OnCut(wxCommandEvent& event)
1591 {
1592     Cut();
1593 }
1594
1595 void wxTextCtrl::OnCopy(wxCommandEvent& event)
1596 {
1597     Copy();
1598 }
1599
1600 void wxTextCtrl::OnPaste(wxCommandEvent& event)
1601 {
1602     Paste();
1603 }
1604
1605 void wxTextCtrl::OnUndo(wxCommandEvent& event)
1606 {
1607     Undo();
1608 }
1609
1610 void wxTextCtrl::OnRedo(wxCommandEvent& event)
1611 {
1612     Redo();
1613 }
1614
1615 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1616 {
1617     event.Enable( CanCut() );
1618 }
1619
1620 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1621 {
1622     event.Enable( CanCopy() );
1623 }
1624
1625 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1626 {
1627     event.Enable( CanPaste() );
1628 }
1629
1630 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1631 {
1632     event.Enable( CanUndo() );
1633 }
1634
1635 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1636 {
1637     event.Enable( CanRedo() );
1638 }
1639
1640 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1641 {
1642     if ( m_macUsesTXN )
1643         return true ;
1644     else
1645         return wxWindow::MacSetupCursor( pt ) ;
1646 }
1647
1648 #endif
1649     // wxUSE_TEXTCTRL