src/mac/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "textctrl.h"
  14 #endif
  15
  16 #include "wx/defs.h"
  17
  18 #if wxUSE_TEXTCTRL
  19
  20 #ifdef __DARWIN__
  21   #include <sys/types.h>
  22   #include <sys/stat.h>
  23 #else
  24   #include <stat.h>
  25 #endif
  26
  27 #if wxUSE_STD_IOSTREAM
  28     #if wxUSE_IOSTREAMH
  29         #include <fstream.h>
  30     #else
  31         #include <fstream>
  32     #endif
  33 #endif
  34
  35 #include "wx/app.h"
  36 #include "wx/dc.h"
  37 #include "wx/button.h"
  38 #include "wx/toplevel.h"
  39 #include "wx/textctrl.h"
  40 #include "wx/notebook.h"
  41 #include "wx/tabctrl.h"
  42 #include "wx/settings.h"
  43 #include "wx/filefn.h"
  44 #include "wx/utils.h"
  45
  46 #if defined(__BORLANDC__) && !defined(__WIN32__)
  47   #include <alloc.h>
  48 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  49   #include <malloc.h>
  50 #endif
  51
  52 #ifndef __DARWIN__
  53 #include <Scrap.h>
  54 #endif
  55 #include <MacTextEditor.h>
  56 #include "ATSUnicode.h"
  57 #include "TextCommon.h"
  58 #include "TextEncodingConverter.h"
  59 #include "wx/mac/uma.h"
  60
  61 #define TE_UNLIMITED_LENGTH 0xFFFFFFFFUL
  62
  63 extern wxControl *wxFindControlFromMacControl(ControlHandle inControl ) ;
  64
  65 // CS:TODO we still have a problem getting properly at the text events of a control because under Carbon
  66 // the MLTE engine registers itself for the key events thus the normal flow never occurs, the only measure for the
  67 // moment is to avoid setting the true focus on the control, the proper solution at the end would be to have
  68 // an alternate path for carbon key events that routes automatically into the same wx flow of events
  69
  70 #include "MacTextEditor.h"
  71
  72 /* part codes */
  73
  74 /* kmUPTextPart is the part code we return to indicate the user has clicked
  75     in the text area of our control */
  76 #define kmUPTextPart 1
  77
  78 /* kmUPScrollPart is the part code we return to indicate the user has clicked
  79     in the scroll bar part of the control. */
  80 #define kmUPScrollPart 2
  81
  82
  83 /* routines for using existing user pane controls.
  84     These routines are useful for cases where you would like to use an
  85     existing user pane control in, say, a dialog window as a scrolling
  86     text edit field.*/
  87
  88 /* mUPOpenControl initializes a user pane control so it will be drawn
  89     and will behave as a scrolling text edit field inside of a window.
  90     This routine performs all of the initialization steps necessary,
  91     except it does not create the user pane control itself.  theControl
  92     should refer to a user pane control that you have either created
  93     yourself or extracted from a dialog's control heirarchy using
  94     the GetDialogItemAsControl routine.  */
  95 OSStatus mUPOpenControl(ControlHandle theControl, long wxStyle);
  96
  97 /* Utility Routines */
  98
  99 enum {
 100     kShiftKeyCode = 56
 101 };
 102
 103 /* kUserClickedToFocusPart is a part code we pass to the SetKeyboardFocus
 104     routine.  In our focus switching routine this part code is understood
 105     as meaning 'the user has clicked in the control and we need to switch
 106     the current focus to ourselves before we can continue'. */
 107 #define kUserClickedToFocusPart 100
 108
 109
 110 /* kmUPClickScrollDelayTicks is a time measurement in ticks used to
 111     slow the speed of 'auto scrolling' inside of our clickloop routine.
 112     This value prevents the text from wizzzzzing by while the mouse
 113     is being held down inside of the text area. */
 114 #define kmUPClickScrollDelayTicks 3
 115
 116
 117 /* STPTextPaneVars is a structure used for storing the the mUP Control's
 118     internal variables and state information.  A handle to this record is
 119     stored in the pane control's reference value field using the
 120     SetControlReference routine. */
 121
 122 typedef struct {
 123         /* OS records referenced */
 124     TXNObject fTXNRec; /* the txn record */
 125     TXNFrameID fTXNFrame; /* the txn frame ID */
 126     ControlHandle fUserPaneRec;  /* handle to the user pane control */
 127     WindowPtr fOwner; /* window containing control */
 128     GrafPtr fDrawingEnvironment; /* grafport where control is drawn */
 129         /* flags */
 130     Boolean fInFocus; /* true while the focus rect is drawn around the control */
 131     Boolean fIsActive; /* true while the control is drawn in the active state */
 132     Boolean fTEActive; /* reflects the activation state of the text edit record */
 133     Boolean fInDialogWindow; /* true if displayed in a dialog window */
 134         /* calculated locations */
 135     Rect fRTextArea; /* area where the text is drawn */
 136     Rect fRFocusOutline;  /* rectangle used to draw the focus box */
 137     Rect fRTextOutline; /* rectangle used to draw the border */
 138     RgnHandle fTextBackgroundRgn; /* background region for the text, erased before calling TEUpdate */
 139         /* our focus advance override routine */
 140     EventHandlerUPP handlerUPP;
 141     EventHandlerRef handlerRef;
 142     bool fMultiline ;
 143 } STPTextPaneVars;
 144
 145
 146
 147
 148 /* Univerals Procedure Pointer variables used by the
 149     mUP Control.  These variables are set up
 150     the first time that mUPOpenControl is called. */
 151 ControlUserPaneDrawUPP gTPDrawProc = NULL;
 152 ControlUserPaneHitTestUPP gTPHitProc = NULL;
 153 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
 154 ControlUserPaneIdleUPP gTPIdleProc = NULL;
 155 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
 156 ControlUserPaneActivateUPP gTPActivateProc = NULL;
 157 ControlUserPaneFocusUPP gTPFocusProc = NULL;
 158
 159 /* TPActivatePaneText activates or deactivates the text edit record
 160     according to the value of setActive.  The primary purpose of this
 161     routine is to ensure each call is only made once. */
 162 static void TPActivatePaneText(STPTextPaneVars **tpvars, Boolean setActive) {
 163     STPTextPaneVars *varsp;
 164     varsp = *tpvars;
 165     if (varsp->fTEActive != setActive) {
 166
 167         varsp->fTEActive = setActive;
 168
 169         TXNActivate(varsp->fTXNRec, varsp->fTXNFrame, varsp->fTEActive);
 170
 171         if (varsp->fInFocus)
 172             TXNFocus( varsp->fTXNRec, varsp->fTEActive);
 173     }
 174 }
 175
 176
 177 /* TPFocusPaneText set the focus state for the text record. */
 178 static void TPFocusPaneText(STPTextPaneVars **tpvars, Boolean setFocus) {
 179     STPTextPaneVars *varsp;
 180     varsp = *tpvars;
 181     if (varsp->fInFocus != setFocus) {
 182         varsp->fInFocus = setFocus;
 183         TXNFocus( varsp->fTXNRec, varsp->fInFocus);
 184     }
 185 }
 186
 187
 188 /* TPPaneDrawProc is called to redraw the control and for update events
 189     referring to the control.  This routine erases the text area's background,
 190     and redraws the text.  This routine assumes the scroll bar has been
 191     redrawn by a call to DrawControls. */
 192 static pascal void TPPaneDrawProc(ControlRef theControl, ControlPartCode thePart) {
 193     STPTextPaneVars **tpvars, *varsp;
 194     char state;
 195     Rect bounds;
 196         /* set up our globals */
 197
 198     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 199     if (tpvars != NULL) {
 200         state = HGetState((Handle) tpvars);
 201         HLock((Handle) tpvars);
 202         varsp = *tpvars;
 203
 204             /* save the drawing state */
 205         SetPort((**tpvars).fDrawingEnvironment);
 206            /* verify our boundary */
 207         GetControlBounds(theControl, &bounds);
 208
 209         wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 210         if ( ! EqualRect(&bounds, &varsp->fRFocusOutline) ) {
 211             // scrollbar is on the border, we add one
 212             Rect oldbounds = varsp->fRFocusOutline ;
 213             InsetRect( &oldbounds , -1 , -1 ) ;
 214
 215             InvalWindowRect( GetControlOwner( theControl ) , &oldbounds ) ;
 216             SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 217             SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 218             SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
 219                 bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
 220             RectRgn(varsp->fTextBackgroundRgn, &varsp->fRTextOutline);
 221             TXNSetFrameBounds(  varsp->fTXNRec, varsp->fRTextArea.top, varsp->fRTextArea.left,
 222                 varsp->fRTextArea.bottom, varsp->fRTextArea.right, varsp->fTXNFrame);
 223         }
 224
 225             /* update the text region */
 226         RGBColor white = { 65535 , 65535 , 65535 } ;
 227         RGBBackColor( &white ) ;
 228         EraseRgn(varsp->fTextBackgroundRgn);
 229         TXNDraw(varsp->fTXNRec, NULL);
 230             /* restore the drawing environment */
 231             /* draw the text frame and focus frame (if necessary) */
 232         DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 233         if ((**tpvars).fIsActive && varsp->fInFocus) DrawThemeFocusRect(&varsp->fRFocusOutline, true);
 234             /* release our globals */
 235         HSetState((Handle) tpvars, state);
 236
 237     }
 238 }
 239
 240
 241 /* TPPaneHitTestProc is called when the control manager would
 242     like to determine what part of the control the mouse resides over.
 243     We also call this routine from our tracking proc to determine how
 244     to handle mouse clicks. */
 245 static pascal ControlPartCode TPPaneHitTestProc(ControlHandle theControl, Point where) {
 246     STPTextPaneVars **tpvars;
 247     ControlPartCode result;
 248     char state;
 249         /* set up our locals and lock down our globals*/
 250     result = 0;
 251     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 252     if (tpvars != NULL) {
 253         state = HGetState((Handle) tpvars);
 254         HLock((Handle) tpvars);
 255             /* find the region where we clicked */
 256         if (PtInRect(where, &(**tpvars).fRTextArea)) {
 257             result = kmUPTextPart;
 258         } else result = 0;
 259             /* release oure globals */
 260         HSetState((Handle) tpvars, state);
 261     }
 262     return result;
 263 }
 264
 265
 266
 267
 268
 269 /* TPPaneTrackingProc is called when the mouse is being held down
 270     over our control.  This routine handles clicks in the text area
 271     and in the scroll bar. */
 272 static pascal ControlPartCode TPPaneTrackingProc(ControlHandle theControl, Point startPt, ControlActionUPP actionProc) {
 273     STPTextPaneVars **tpvars, *varsp;
 274     char state;
 275     ControlPartCode partCodeResult;
 276         /* make sure we have some variables... */
 277     partCodeResult = 0;
 278     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 279     if (tpvars != NULL) {
 280             /* lock 'em down */
 281         state = HGetState((Handle) tpvars);
 282         HLock((Handle) tpvars);
 283         varsp = *tpvars;
 284             /* we don't do any of these functions unless we're in focus */
 285         if ( ! varsp->fInFocus) {
 286             WindowPtr owner;
 287             owner = GetControlOwner(theControl);
 288             ClearKeyboardFocus(owner);
 289             SetKeyboardFocus(owner, theControl, kUserClickedToFocusPart);
 290         }
 291             /* find the location for the click */
 292         switch (TPPaneHitTestProc(theControl, startPt)) {
 293
 294                 /* handle clicks in the text part */
 295             case kmUPTextPart:
 296                 {   SetPort((**tpvars).fDrawingEnvironment);
 297                     wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 298 #if !TARGET_CARBON
 299                     TXNClick( varsp->fTXNRec, (const EventRecord*) wxTheApp->MacGetCurrentEvent());
 300 #else
 301                     EventRecord rec ;
 302                     ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
 303                     TXNClick( varsp->fTXNRec, &rec );
 304 #endif
 305                 }
 306                 break;
 307
 308         }
 309
 310         HSetState((Handle) tpvars, state);
 311     }
 312     return partCodeResult;
 313 }
 314
 315
 316 /* TPPaneIdleProc is our user pane idle routine.  When our text field
 317     is active and in focus, we use this routine to set the cursor. */
 318 static pascal void TPPaneIdleProc(ControlHandle theControl) {
 319     STPTextPaneVars **tpvars, *varsp;
 320         /* set up locals */
 321     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 322     if (tpvars != NULL) {
 323             /* if we're not active, then we have nothing to say about the cursor */
 324         if ((**tpvars).fIsActive) {
 325             char state;
 326             Rect bounds;
 327             Point mousep;
 328                 /* lock down the globals */
 329             state = HGetState((Handle) tpvars);
 330             HLock((Handle) tpvars);
 331             varsp = *tpvars;
 332                 /* get the current mouse coordinates (in our window) */
 333             SetPortWindowPort(GetControlOwner(theControl));
 334             wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 335             GetMouse(&mousep);
 336                 /* there's a 'focus thing' and an 'unfocused thing' */
 337             if (varsp->fInFocus) {
 338                     /* flash the cursor */
 339                 SetPort((**tpvars).fDrawingEnvironment);
 340                 TXNIdle(varsp->fTXNRec);
 341                 /* set the cursor */
 342                 if (PtInRect(mousep, &varsp->fRTextArea)) {
 343                     RgnHandle theRgn;
 344                     RectRgn((theRgn = NewRgn()), &varsp->fRTextArea);
 345                     TXNAdjustCursor(varsp->fTXNRec, theRgn);
 346                     DisposeRgn(theRgn);
 347                  }
 348                  else
 349                  {
 350                  // SetThemeCursor(kThemeArrowCursor);
 351                  }
 352             } else {
 353                 /* if it's in our bounds, set the cursor */
 354                 GetControlBounds(theControl, &bounds);
 355                 if (PtInRect(mousep, &bounds))
 356                 {
 357                 //    SetThemeCursor(kThemeArrowCursor);
 358                 }
 359             }
 360
 361             HSetState((Handle) tpvars, state);
 362         }
 363     }
 364 }
 365
 366
 367 /* TPPaneKeyDownProc is called whenever a keydown event is directed
 368     at our control.  Here, we direct the keydown event to the text
 369     edit record and redraw the scroll bar and text field as appropriate. */
 370 static pascal ControlPartCode TPPaneKeyDownProc(ControlHandle theControl,
 371                             SInt16 keyCode, SInt16 charCode, SInt16 modifiers) {
 372     STPTextPaneVars **tpvars;
 373     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 374     if (tpvars != NULL) {
 375         if ((**tpvars).fInFocus) {
 376                 /* turn autoscrolling on and send the key event to text edit */
 377             SetPort((**tpvars).fDrawingEnvironment);
 378             wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 379             EventRecord ev ;
 380             memset( &ev , 0 , sizeof( ev ) ) ;
 381             ev.what = keyDown ;
 382             ev.modifiers = modifiers ;
 383             ev.message = (( keyCode << 8 ) & keyCodeMask ) + ( charCode & charCodeMask ) ;
 384             TXNKeyDown( (**tpvars).fTXNRec, &ev);
 385         }
 386     }
 387     return kControlEntireControl;
 388 }
 389
 390
 391 /* TPPaneActivateProc is called when the window containing
 392     the user pane control receives activate events. Here, we redraw
 393     the control and it's text as necessary for the activation state. */
 394 static pascal void TPPaneActivateProc(ControlHandle theControl, Boolean activating) {
 395     Rect bounds;
 396     STPTextPaneVars **tpvars, *varsp;
 397     char state;
 398         /* set up locals */
 399     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 400     if (tpvars != NULL) {
 401         state = HGetState((Handle) tpvars);
 402         HLock((Handle) tpvars);
 403         varsp = *tpvars;
 404             /* de/activate the text edit record */
 405         SetPort((**tpvars).fDrawingEnvironment);
 406         wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 407             GetControlBounds(theControl, &bounds);
 408             varsp->fIsActive = activating;
 409             TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 410             /* redraw the frame */
 411         DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 412         if (varsp->fInFocus) DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive);
 413         HSetState((Handle) tpvars, state);
 414     }
 415 }
 416
 417
 418 /* TPPaneFocusProc is called when every the focus changes to or
 419     from our control.  Herein, switch the focus appropriately
 420     according to the parameters and redraw the control as
 421     necessary.  */
 422 static pascal ControlPartCode TPPaneFocusProc(ControlHandle theControl, ControlFocusPart action) {
 423     ControlPartCode focusResult;
 424     STPTextPaneVars **tpvars, *varsp;
 425     char state;
 426         /* set up locals */
 427     focusResult = kControlFocusNoPart;
 428     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 429     if (tpvars != NULL && IsControlVisible( theControl ) ) {
 430         state = HGetState((Handle) tpvars);
 431         HLock((Handle) tpvars);
 432         varsp = *tpvars;
 433             /* if kControlFocusPrevPart and kControlFocusNextPart are received when the user is
 434             tabbing forwards (or shift tabbing backwards) through the items in the dialog,
 435             and kControlFocusNextPart will be received.  When the user clicks in our field
 436             and it is not the current focus, then the constant kUserClickedToFocusPart will
 437             be received.  The constant kControlFocusNoPart will be received when our control
 438             is the current focus and the user clicks in another control.  In your focus routine,
 439             you should respond to these codes as follows:
 440
 441             kControlFocusNoPart - turn off focus and return kControlFocusNoPart.  redraw
 442                 the control and the focus rectangle as necessary.
 443
 444             kControlFocusPrevPart or kControlFocusNextPart - toggle focus on or off
 445                 depending on its current state.  redraw the control and the focus rectangle
 446                 as appropriate for the new focus state.  If the focus state is 'off', return the constant
 447                 kControlFocusNoPart, otherwise return a non-zero part code.
 448             kUserClickedToFocusPart - is a constant defined for this example.  You should
 449                 define your own value for handling click-to-focus type events. */
 450             /* save the drawing state */
 451         SetPort((**tpvars).fDrawingEnvironment);
 452         wxMacWindowClipper clipper( wxFindControlFromMacControl(theControl ) ) ;
 453             /* calculate the next highlight state */
 454         switch (action) {
 455             default:
 456             case kControlFocusNoPart:
 457                 TPFocusPaneText(tpvars, false);
 458                 focusResult = kControlFocusNoPart;
 459                 break;
 460             case kUserClickedToFocusPart:
 461                 TPFocusPaneText(tpvars, true);
 462                 focusResult = 1;
 463                 break;
 464             case kControlFocusPrevPart:
 465             case kControlFocusNextPart:
 466                 TPFocusPaneText(tpvars, ( ! varsp->fInFocus));
 467                 focusResult = varsp->fInFocus ? 1 : kControlFocusNoPart;
 468                 break;
 469         }
 470             TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 471             /* redraw the text fram and focus rectangle to indicate the
 472             new focus state */
 473         DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
 474         DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive && varsp->fInFocus);
 475             /* done */
 476         HSetState((Handle) tpvars, state);
 477     }
 478     return focusResult;
 479 }
 480
 481
 482 /* mUPOpenControl initializes a user pane control so it will be drawn
 483     and will behave as a scrolling text edit field inside of a window.
 484     This routine performs all of the initialization steps necessary,
 485     except it does not create the user pane control itself.  theControl
 486     should refer to a user pane control that you have either created
 487     yourself or extracted from a dialog's control heirarchy using
 488     the GetDialogItemAsControl routine.  */
 489 OSStatus mUPOpenControl(ControlHandle theControl, long wxStyle )
 490 {
 491     Rect bounds;
 492     WindowRef theWindow;
 493     STPTextPaneVars **tpvars, *varsp;
 494     OSStatus err = noErr ;
 495     RGBColor rgbWhite = {0xFFFF, 0xFFFF, 0xFFFF};
 496     TXNBackground tback;
 497
 498         /* set up our globals */
 499     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(TPPaneDrawProc);
 500     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(TPPaneHitTestProc);
 501     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(TPPaneTrackingProc);
 502     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(TPPaneIdleProc);
 503     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(TPPaneKeyDownProc);
 504     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(TPPaneActivateProc);
 505     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(TPPaneFocusProc);
 506
 507         /* allocate our private storage */
 508     tpvars = (STPTextPaneVars **) NewHandleClear(sizeof(STPTextPaneVars));
 509     SetControlReference(theControl, (long) tpvars);
 510     HLock((Handle) tpvars);
 511     varsp = *tpvars;
 512         /* set the initial settings for our private data */
 513     varsp->fMultiline = wxStyle & wxTE_MULTILINE ;
 514     varsp->fInFocus = false;
 515     varsp->fIsActive = true;
 516     varsp->fTEActive = true; // in order to get a deactivate
 517     varsp->fUserPaneRec = theControl;
 518     theWindow = varsp->fOwner = GetControlOwner(theControl);
 519
 520     varsp->fDrawingEnvironment = (GrafPtr)  GetWindowPort(theWindow);
 521
 522     varsp->fInDialogWindow = ( GetWindowKind(varsp->fOwner) == kDialogWindowKind );
 523         /* set up the user pane procedures */
 524     SetControlData(theControl, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
 525     SetControlData(theControl, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
 526     SetControlData(theControl, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
 527     SetControlData(theControl, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
 528     SetControlData(theControl, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
 529     SetControlData(theControl, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
 530     SetControlData(theControl, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
 531         /* calculate the rectangles used by the control */
 532     GetControlBounds(theControl, &bounds);
 533     SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 534     SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 535     SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
 536         bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
 537         /* calculate the background region for the text.  In this case, it's kindof
 538         and irregular region because we're setting the scroll bar a little ways inside
 539         of the text area. */
 540     RectRgn((varsp->fTextBackgroundRgn = NewRgn()), &varsp->fRTextOutline);
 541
 542         /* set up the drawing environment */
 543     SetPort(varsp->fDrawingEnvironment);
 544
 545         /* create the new edit field */
 546
 547     TXNFrameOptions frameOptions =
 548         kTXNDontDrawCaretWhenInactiveMask ;
 549     if ( ! ( wxStyle & wxTE_NOHIDESEL ) )
 550         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
 551
 552     if ( wxStyle & wxTE_MULTILINE )
 553     {
 554         if ( ! ( wxStyle & wxTE_DONTWRAP ) )
 555             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 556         else
 557         {
 558             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 559             frameOptions |= kTXNWantHScrollBarMask ;
 560         }
 561
 562         if ( !(wxStyle & wxTE_NO_VSCROLL ) )
 563             frameOptions |= kTXNWantVScrollBarMask ;
 564     }
 565     else
 566         frameOptions |= kTXNSingleLineOnlyMask ;
 567
 568     if ( wxStyle & wxTE_READONLY )
 569         frameOptions |= kTXNReadOnlyMask ;
 570
 571     TXNNewObject(NULL, varsp->fOwner, &varsp->fRTextArea,
 572         frameOptions ,
 573         kTXNTextEditStyleFrameType,
 574         kTXNTextensionFile,
 575         kTXNSystemDefaultEncoding,
 576         &varsp->fTXNRec, &varsp->fTXNFrame, (TXNObjectRefcon) tpvars);
 577
 578     if ( (wxStyle & wxTE_MULTILINE) && (wxStyle & wxTE_DONTWRAP) )
 579     {
 580         TXNControlTag tag = kTXNWordWrapStateTag ;
 581         TXNControlData dat ;
 582         dat.uValue = kTXNNoAutoWrap ;
 583         TXNSetTXNObjectControls( varsp->fTXNRec , false , 1 , &tag , &dat ) ;
 584     }
 585         Str255 fontName ;
 586         SInt16 fontSize ;
 587         Style fontStyle ;
 588
 589         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 590
 591         TXNTypeAttributes typeAttr[] =
 592         {
 593             {   kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 594             {   kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 595             {   kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , {  (void*) normal } } ,
 596         } ;
 597
 598     err = TXNSetTypeAttributes (varsp->fTXNRec, sizeof( typeAttr ) / sizeof(TXNTypeAttributes) , typeAttr,
 599           kTXNStartOffset,
 600           kTXNEndOffset);
 601         /* set the field's background */
 602
 603     tback.bgType = kTXNBackgroundTypeRGB;
 604     tback.bg.color = rgbWhite;
 605     TXNSetBackground( varsp->fTXNRec, &tback);
 606
 607         /* unlock our storage */
 608     HUnlock((Handle) tpvars);
 609         /* perform final activations and setup for our text field.  Here,
 610         we assume that the window is going to be the 'active' window. */
 611     TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
 612         /* all done */
 613     return err;
 614 }
 615
 616
 617
 618
 619 #if !USE_SHARED_LIBRARY
 620 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 621
 622 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 623     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 624     EVT_CHAR(wxTextCtrl::OnChar)
 625     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 626     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 627     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 628     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 629     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 630
 631     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 632     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 633     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 634     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 635     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 636 END_EVENT_TABLE()
 637 #endif
 638
 639 // Text item
 640 void wxTextCtrl::Init()
 641 {
 642   m_macTE = NULL ;
 643   m_macTXN = NULL ;
 644   m_macTXNvars = NULL ;
 645   m_macUsesTXN = false ;
 646
 647   m_editable = true ;
 648   m_dirty = false;
 649
 650   m_maxLength = TE_UNLIMITED_LENGTH ;
 651 }
 652
 653 wxTextCtrl::~wxTextCtrl()
 654 {
 655     if ( m_macUsesTXN )
 656     {
 657         SetControlReference((ControlHandle)m_macControl, 0) ;
 658         TXNDeleteObject((TXNObject)m_macTXN);
 659         /* delete our private storage */
 660         DisposeHandle((Handle) m_macTXNvars);
 661         /* zero the control reference */
 662     }
 663 }
 664
 665 const short kVerticalMargin = 2 ;
 666 const short kHorizontalMargin = 2 ;
 667
 668 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
 669            const wxString& st,
 670            const wxPoint& pos,
 671            const wxSize& size, long style,
 672            const wxValidator& validator,
 673            const wxString& name)
 674 {
 675     m_macTE = NULL ;
 676     m_macTXN = NULL ;
 677     m_macTXNvars = NULL ;
 678     m_macUsesTXN = false ;
 679     m_editable = true ;
 680
 681     m_macUsesTXN = ! (style & wxTE_PASSWORD ) ;
 682
 683     m_macUsesTXN &= (TXNInitTextension != (void*) kUnresolvedCFragSymbolAddress) ;
 684
 685     // base initialization
 686     if ( !wxTextCtrlBase::Create(parent, id, pos, size, style, validator, name) )
 687         return FALSE;
 688
 689     wxSize mySize = size ;
 690     if ( m_macUsesTXN )
 691     {
 692         m_macHorizontalBorder = 5 ; // additional pixels around the real control
 693         m_macVerticalBorder = 3 ;
 694     }
 695     else
 696     {
 697         m_macHorizontalBorder = 5 ; // additional pixels around the real control
 698         m_macVerticalBorder = 5 ;
 699     }
 700
 701
 702     Rect bounds ;
 703     Str255 title ;
 704     /*
 705     if ( mySize.y == -1 )
 706     {
 707         mySize.y = 13 ;
 708         if ( m_windowStyle & wxTE_MULTILINE )
 709             mySize.y *= 5 ;
 710
 711         mySize.y += 2 * m_macVerticalBorder ;
 712     }
 713     */
 714     MacPreControlCreate( parent , id ,  wxEmptyString , pos , mySize ,style, validator , name , &bounds , title ) ;
 715
 716     if ( m_windowStyle & wxTE_MULTILINE )
 717     {
 718         wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
 719                       wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
 720
 721         m_windowStyle |= wxTE_PROCESS_ENTER;
 722     }
 723
 724     if ( m_windowStyle & wxTE_READONLY)
 725     {
 726         m_editable = FALSE ;
 727     }
 728
 729     if ( !m_macUsesTXN )
 730     {
 731         m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , "\p" , true , 0 , 0 , 1,
 732             (style & wxTE_PASSWORD) ? kControlEditTextPasswordProc : kControlEditTextProc , (long) this ) ;
 733         long size ;
 734         ::GetControlData((ControlHandle)  m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*)((TEHandle *)&m_macTE) , &size ) ;
 735
 736     }
 737     else
 738     {
 739         short featurSet;
 740
 741         featurSet = kControlSupportsEmbedding | kControlSupportsFocus  | kControlWantsIdle
 742                 | kControlWantsActivate | kControlHandlesTracking | kControlHasSpecialBackground
 743                 | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
 744             /* create the control */
 745         m_macControl = NewControl(MAC_WXHWND(parent->MacGetRootWindow()), &bounds, "\p", true, featurSet, 0, featurSet, kControlUserPaneProc, 0);
 746             /* set up the mUP specific features and data */
 747         mUPOpenControl((ControlHandle) m_macControl, m_windowStyle );
 748     }
 749     MacPostControlCreate() ;
 750
 751     if ( !m_macUsesTXN )
 752     {
 753         wxCharBuffer text = wxMacStringToCString( st ) ;
 754         ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , strlen(text) , text ) ;
 755     }
 756     else
 757     {
 758         STPTextPaneVars **tpvars;
 759             /* set up locals */
 760         tpvars = (STPTextPaneVars **) GetControlReference((ControlHandle) m_macControl);
 761             /* set the text in the record */
 762         m_macTXN =  (**tpvars).fTXNRec ;
 763 #if wxUSE_UNICODE
 764         TXNSetData( ((TXNObject) m_macTXN) , kTXNUnicodeTextData,  (void*)st.wc_str(), st.Length() * 2,
 765           kTXNStartOffset, kTXNEndOffset);
 766 #else
 767         wxCharBuffer text = wxMacStringToCString( st ) ;
 768         TXNSetData( ((TXNObject) m_macTXN) , kTXNTextData,  (void*)text.data(), strlen( text ) ,
 769           kTXNStartOffset, kTXNEndOffset);
 770 #endif
 771         m_macTXNvars = tpvars ;
 772         m_macUsesTXN = true ;
 773         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 774         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 775     }
 776
 777     return TRUE;
 778 }
 779
 780 wxString wxTextCtrl::GetValue() const
 781 {
 782     Size actualSize = 0;
 783     wxString result ;
 784     OSStatus err ;
 785     if ( !m_macUsesTXN )
 786     {
 787         err = ::GetControlDataSize((ControlHandle) m_macControl, 0,
 788             ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag, &actualSize ) ;
 789
 790        if ( err )
 791            return wxEmptyString ;
 792
 793        if ( actualSize > 0 )
 794        {
 795                 wxCharBuffer buf(actualSize) ;
 796             ::GetControlData( (ControlHandle) m_macControl, 0,
 797                 ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag,
 798                 actualSize , buf.data() , &actualSize ) ;
 799             result = wxMacMakeStringFromCString( buf ) ;
 800         }
 801     }
 802     else
 803     {
 804 #if wxUSE_UNICODE
 805         Handle theText ;
 806         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNUnicodeTextData );
 807         // all done
 808         if ( err )
 809         {
 810             actualSize = 0 ;
 811         }
 812         else
 813         {
 814             actualSize = GetHandleSize( theText ) ;
 815             if ( actualSize > 0 )
 816             {
 817                 wxChar *ptr = result.GetWriteBuf(actualSize*sizeof(wxChar)) ;
 818                 wxStrncpy( ptr , (wxChar*) *theText , actualSize ) ;
 819                 ptr[actualSize] = 0 ;
 820                 result.UngetWriteBuf( actualSize ) ;
 821             }
 822             DisposeHandle( theText ) ;
 823         }
 824 #else
 825         Handle theText ;
 826         err = TXNGetDataEncoded( ((TXNObject) m_macTXN), kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
 827         // all done
 828         if ( err )
 829         {
 830             actualSize = 0 ;
 831         }
 832         else
 833         {
 834             actualSize = GetHandleSize( theText ) ;
 835             if ( actualSize > 0 )
 836             {
 837                 HLock( theText ) ;
 838                 result = wxMacMakeStringFromCString( *theText , actualSize ) ;
 839                 HUnlock( theText ) ;
 840             }
 841             DisposeHandle( theText ) ;
 842         }
 843 #endif
 844     }
 845
 846     return result ;
 847 }
 848
 849 void wxTextCtrl::GetSelection(long* from, long* to) const
 850 {
 851   if ( !m_macUsesTXN )
 852   {
 853     *from = (**((TEHandle) m_macTE)).selStart;
 854     *to = (**((TEHandle) m_macTE)).selEnd;
 855    }
 856    else
 857    {
 858         TXNGetSelection(  ((TXNObject) m_macTXN) , (TXNOffset*) from , (TXNOffset*) to ) ;
 859    }
 860 }
 861
 862 void wxTextCtrl::SetValue(const wxString& st)
 863 {
 864     if ( !m_macUsesTXN )
 865     {
 866         wxCharBuffer text = wxMacStringToCString( st ) ;
 867         ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , strlen(text) , text ) ;
 868     }
 869     else
 870     {
 871         bool formerEditable = m_editable ;
 872         if ( !formerEditable )
 873             SetEditable(true) ;
 874 #if wxUSE_UNICODE
 875         TXNSetData( ((TXNObject) m_macTXN), kTXNUnicodeTextData,  (void*)st.wc_str(), st.Length() * 2 ,
 876           kTXNStartOffset, kTXNEndOffset);
 877 #else
 878         wxCharBuffer text = wxMacStringToCString( st ) ;
 879         TXNSetData( ((TXNObject) m_macTXN), kTXNTextData,  (void*)text.data(), strlen( text ) ,
 880           kTXNStartOffset, kTXNEndOffset);
 881 #endif
 882         TXNSetSelection( (TXNObject) m_macTXN, 0, 0);
 883         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
 884         if ( !formerEditable )
 885             SetEditable(formerEditable) ;
 886     }
 887     MacRedrawControl() ;
 888 }
 889
 890 void wxTextCtrl::SetMaxLength(unsigned long len)
 891 {
 892     m_maxLength = len ;
 893 }
 894
 895 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 896 {
 897     if ( m_macUsesTXN )
 898     {
 899         bool formerEditable = m_editable ;
 900         if ( !formerEditable )
 901             SetEditable(true) ;
 902         TXNTypeAttributes typeAttr[4] ;
 903         Str255 fontName = "\pMonaco" ;
 904         SInt16 fontSize = 12 ;
 905         Style fontStyle = normal ;
 906         RGBColor color ;
 907         int attrCounter = 0 ;
 908         if ( style.HasFont() )
 909         {
 910             const wxFont &font = style.GetFont() ;
 911             wxMacStringToPascal( font.GetFaceName() , fontName ) ;
 912             fontSize = font.GetPointSize() ;
 913             if ( font.GetUnderlined() )
 914                 fontStyle |= underline ;
 915             if ( font.GetWeight() == wxBOLD )
 916                 fontStyle |= bold ;
 917             if ( font.GetStyle() == wxITALIC )
 918                 fontStyle |= italic ;
 919
 920             typeAttr[attrCounter].tag = kTXNQDFontNameAttribute ;
 921             typeAttr[attrCounter].size = kTXNQDFontNameAttributeSize ;
 922             typeAttr[attrCounter].data.dataPtr = (void*) fontName ;
 923             typeAttr[attrCounter+1].tag = kTXNQDFontSizeAttribute ;
 924             typeAttr[attrCounter+1].size = kTXNFontSizeAttributeSize ;
 925             typeAttr[attrCounter+1].data.dataValue =  (fontSize << 16) ;
 926             typeAttr[attrCounter+2].tag = kTXNQDFontStyleAttribute ;
 927             typeAttr[attrCounter+2].size = kTXNQDFontStyleAttributeSize ;
 928             typeAttr[attrCounter+2].data.dataValue = fontStyle ;
 929             attrCounter += 3 ;
 930
 931         }
 932         if ( style.HasTextColour() )
 933         {
 934             typeAttr[attrCounter].tag = kTXNQDFontColorAttribute ;
 935             typeAttr[attrCounter].size = kTXNQDFontColorAttributeSize ;
 936             typeAttr[attrCounter].data.dataPtr = (void*) &color ;
 937             color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
 938             attrCounter += 1 ;
 939         }
 940
 941         if ( attrCounter > 0 )
 942         {
 943 #ifdef __WXDEBUG__
 944             OSStatus status =
 945 #endif // __WXDEBUG__
 946                 TXNSetTypeAttributes ((TXNObject)m_macTXN, attrCounter , typeAttr, start,end);
 947             wxASSERT_MSG( status == noErr , wxT("Couldn't set text attributes") ) ;
 948         }
 949         if ( !formerEditable )
 950             SetEditable(formerEditable) ;
 951     }
 952     return TRUE ;
 953 }
 954
 955 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 956 {
 957     wxTextCtrlBase::SetDefaultStyle( style ) ;
 958     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 959     return TRUE ;
 960 }
 961
 962 // Clipboard operations
 963 void wxTextCtrl::Copy()
 964 {
 965     if (CanCopy())
 966     {
 967       if ( !m_macUsesTXN )
 968       {
 969             TECopy( ((TEHandle) m_macTE) ) ;
 970             ClearCurrentScrap();
 971             TEToScrap() ;
 972             MacRedrawControl() ;
 973         }
 974         else
 975         {
 976             ClearCurrentScrap();
 977             TXNCopy((TXNObject)m_macTXN);
 978             TXNConvertToPublicScrap();
 979         }
 980     }
 981 }
 982
 983 void wxTextCtrl::Cut()
 984 {
 985     if (CanCut())
 986     {
 987         if ( !m_macUsesTXN )
 988         {
 989             TECut( ((TEHandle) m_macTE) ) ;
 990             ClearCurrentScrap();
 991             TEToScrap() ;
 992             MacRedrawControl() ;
 993         }
 994         else
 995         {
 996             ClearCurrentScrap();
 997             TXNCut((TXNObject)m_macTXN);
 998             TXNConvertToPublicScrap();
 999         }
1000         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1001         event.SetString( GetValue() ) ;
1002         event.SetEventObject( this );
1003         GetEventHandler()->ProcessEvent(event);
1004       }
1005 }
1006
1007 void wxTextCtrl::Paste()
1008 {
1009     if (CanPaste())
1010     {
1011         if ( !m_macUsesTXN )
1012         {
1013             TEFromScrap() ;
1014             TEPaste( (TEHandle) m_macTE ) ;
1015             MacRedrawControl() ;
1016         }
1017         else
1018         {
1019             TXNConvertFromPublicScrap();
1020             TXNPaste((TXNObject)m_macTXN);
1021             SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
1022         }
1023         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1024         event.SetString( GetValue() ) ;
1025         event.SetEventObject( this );
1026         GetEventHandler()->ProcessEvent(event);
1027     }
1028 }
1029
1030 bool wxTextCtrl::CanCopy() const
1031 {
1032     // Can copy if there's a selection
1033     long from, to;
1034     GetSelection(& from, & to);
1035     return (from != to);
1036 }
1037
1038 bool wxTextCtrl::CanCut() const
1039 {
1040     if ( !IsEditable() )
1041     {
1042         return false ;
1043     }
1044     // Can cut if there's a selection
1045     long from, to;
1046     GetSelection(& from, & to);
1047     return (from != to);
1048 }
1049
1050 bool wxTextCtrl::CanPaste() const
1051 {
1052     if (!IsEditable())
1053         return FALSE;
1054
1055 #if TARGET_CARBON
1056     OSStatus err = noErr;
1057     ScrapRef scrapRef;
1058
1059     err = GetCurrentScrap( &scrapRef );
1060     if ( err != noTypeErr && err != memFullErr )
1061     {
1062         ScrapFlavorFlags    flavorFlags;
1063         Size                byteCount;
1064
1065         if (( err = GetScrapFlavorFlags( scrapRef, 'TEXT', &flavorFlags )) == noErr)
1066         {
1067             if (( err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount )) == noErr)
1068             {
1069                 return TRUE ;
1070             }
1071         }
1072     }
1073     return FALSE;
1074
1075 #else
1076     long offset ;
1077     if ( GetScrap( NULL , 'TEXT' , &offset ) > 0 )
1078     {
1079         return TRUE ;
1080     }
1081 #endif
1082     return FALSE ;
1083 }
1084
1085 void wxTextCtrl::SetEditable(bool editable)
1086 {
1087     if ( editable != m_editable )
1088     {
1089         m_editable = editable ;
1090         if ( !m_macUsesTXN )
1091         {
1092             if ( editable )
1093                 UMAActivateControl( (ControlHandle) m_macControl ) ;
1094             else
1095                 UMADeactivateControl((ControlHandle)  m_macControl ) ;
1096         }
1097         else
1098         {
1099             TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1100             TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1101             TXNSetTXNObjectControls( (TXNObject) m_macTXN , false , sizeof(tag) / sizeof (TXNControlTag) , tag , data ) ;
1102         }
1103     }
1104 }
1105
1106 void wxTextCtrl::SetInsertionPoint(long pos)
1107 {
1108     SetSelection( pos , pos ) ;
1109 }
1110
1111 void wxTextCtrl::SetInsertionPointEnd()
1112 {
1113     long pos = GetLastPosition();
1114     SetInsertionPoint(pos);
1115 }
1116
1117 long wxTextCtrl::GetInsertionPoint() const
1118 {
1119     long begin,end ;
1120     GetSelection( &begin , &end ) ;
1121     return begin ;
1122 }
1123
1124 long wxTextCtrl::GetLastPosition() const
1125 {
1126     if ( !m_macUsesTXN )
1127     {
1128         return (**((TEHandle) m_macTE)).teLength ;
1129     }
1130     else
1131     {
1132         Handle theText ;
1133         long actualsize ;
1134         OSErr err = TXNGetDataEncoded( (TXNObject) m_macTXN, kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
1135         /* all done */
1136         if ( err )
1137         {
1138             actualsize = 0 ;
1139         }
1140         else
1141         {
1142             actualsize = GetHandleSize( theText ) ;
1143             DisposeHandle( theText ) ;
1144         }
1145         return actualsize ;
1146     }
1147 }
1148
1149 void wxTextCtrl::Replace(long from, long to, const wxString& value)
1150 {
1151     if ( !m_macUsesTXN )
1152     {
1153         ControlEditTextSelectionRec selection ;
1154
1155         selection.selStart = from ;
1156         selection.selEnd = to ;
1157         ::SetControlData((ControlHandle)  m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
1158         TESetSelect( from , to  , ((TEHandle) m_macTE) ) ;
1159         TEDelete( ((TEHandle) m_macTE) ) ;
1160         TEInsert( value , value.Length() , ((TEHandle) m_macTE) ) ;
1161     }
1162     else
1163     {
1164         bool formerEditable = m_editable ;
1165         if ( !formerEditable )
1166             SetEditable(true) ;
1167         TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1168         TXNClear( ((TXNObject) m_macTXN) ) ;
1169 #if wxUSE_UNICODE
1170         TXNSetData( ((TXNObject) m_macTXN), kTXNUnicodeTextData,  (void*)value.wc_str(), value.Length() * 2 ,
1171           kTXNUseCurrentSelection, kTXNUseCurrentSelection);
1172 #else
1173         TXNSetData( ((TXNObject) m_macTXN), kTXNTextData,  (void*)value.c_str(), value.Length(),
1174             kTXNUseCurrentSelection, kTXNUseCurrentSelection);
1175 #endif
1176         if ( !formerEditable )
1177             SetEditable( formerEditable ) ;
1178     }
1179     Refresh() ;
1180 }
1181
1182 void wxTextCtrl::Remove(long from, long to)
1183 {
1184     if ( !m_macUsesTXN )
1185     {
1186         ControlEditTextSelectionRec selection ;
1187
1188         selection.selStart = from ;
1189         selection.selEnd = to ;
1190         ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
1191         TEDelete( ((TEHandle) m_macTE) ) ;
1192     }
1193     else
1194     {
1195         bool formerEditable = m_editable ;
1196         if ( !formerEditable )
1197             SetEditable(true) ;
1198         TXNSetSelection( ((TXNObject) m_macTXN) , from , to ) ;
1199         TXNClear( ((TXNObject) m_macTXN) ) ;
1200         if ( !formerEditable )
1201             SetEditable( formerEditable ) ;
1202     }
1203     Refresh() ;
1204 }
1205
1206 void wxTextCtrl::SetSelection(long from, long to)
1207 {
1208     if ( !m_macUsesTXN )
1209     {
1210         ControlEditTextSelectionRec selection ;
1211         if ((from == -1) && (to == -1))
1212         {
1213                 selection.selStart = 0 ;
1214                 selection.selEnd = 32767 ;
1215         }
1216         else
1217         {
1218                 selection.selStart = from ;
1219                 selection.selEnd = to ;
1220         }
1221
1222         TESetSelect( selection.selStart , selection.selEnd , ((TEHandle) m_macTE) ) ;
1223         ::SetControlData((ControlHandle)  m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
1224     }
1225     else
1226     {
1227         STPTextPaneVars **tpvars;
1228         /* set up our locals */
1229         tpvars = (STPTextPaneVars **) GetControlReference((ControlHandle) m_macControl);
1230         /* and our drawing environment as the operation
1231         may force a redraw in the text area. */
1232         SetPort((**tpvars).fDrawingEnvironment);
1233         /* change the selection */
1234         if ((from == -1) && (to == -1))
1235                 TXNSelectAll((TXNObject) m_macTXN);
1236         else
1237                 TXNSetSelection( (**tpvars).fTXNRec, from, to);
1238         TXNShowSelection( (TXNObject) m_macTXN, kTXNShowStart);
1239     }
1240 }
1241
1242 bool wxTextCtrl::LoadFile(const wxString& file)
1243 {
1244     if ( wxTextCtrlBase::LoadFile(file) )
1245     {
1246         return TRUE;
1247     }
1248
1249     return FALSE;
1250 }
1251
1252 void wxTextCtrl::WriteText(const wxString& st)
1253 {
1254     if ( !m_macUsesTXN )
1255     {
1256         wxCharBuffer text = wxMacStringToCString( st ) ;
1257         TEInsert( text , strlen(text) , ((TEHandle) m_macTE) ) ;
1258     }
1259     else
1260     {
1261         bool formerEditable = m_editable ;
1262         if ( !formerEditable )
1263             SetEditable(true) ;
1264         long start , end , dummy ;
1265         GetSelection( &start , &dummy ) ;
1266 #if wxUSE_UNICODE
1267         TXNSetData( ((TXNObject) m_macTXN), kTXNUnicodeTextData,  (void*)st.wc_str(), st.Length() * 2 ,
1268           kTXNUseCurrentSelection, kTXNUseCurrentSelection);
1269 #else
1270         wxCharBuffer text = wxMacStringToCString( st ) ;
1271         TXNSetData( ((TXNObject) m_macTXN), kTXNTextData,  (void*)text.data(), strlen( text ) ,
1272           kTXNUseCurrentSelection, kTXNUseCurrentSelection);
1273 #endif
1274         GetSelection( &dummy , &end ) ;
1275         SetStyle( start , end , GetDefaultStyle() ) ;
1276         if ( !formerEditable )
1277             SetEditable( formerEditable ) ;
1278     }
1279     MacRedrawControl() ;
1280 }
1281
1282 void wxTextCtrl::AppendText(const wxString& text)
1283 {
1284     SetInsertionPointEnd();
1285     WriteText(text);
1286 }
1287
1288 void wxTextCtrl::Clear()
1289 {
1290     if ( !IsEditable() )
1291     {
1292         return ;
1293     }
1294     if ( !m_macUsesTXN )
1295     {
1296         ::SetControlData((ControlHandle)  m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 0 , (char*) ((const char*)NULL) ) ;
1297     }
1298     else
1299     {
1300         TXNSetSelection( (TXNObject)m_macTXN , kTXNStartOffset , kTXNEndOffset ) ;
1301         TXNClear((TXNObject)m_macTXN);
1302     }
1303     Refresh() ;
1304 }
1305
1306 bool wxTextCtrl::IsModified() const
1307 {
1308     return m_dirty;
1309 }
1310
1311 bool wxTextCtrl::IsEditable() const
1312 {
1313     return IsEnabled() && m_editable ;
1314 }
1315
1316 bool wxTextCtrl::AcceptsFocus() const
1317 {
1318     // we don't want focus if we can't be edited
1319     return /*IsEditable() && */ wxControl::AcceptsFocus();
1320 }
1321
1322 wxSize wxTextCtrl::DoGetBestSize() const
1323 {
1324     int wText = 100 ;
1325
1326     int hText;
1327     if ( m_macUsesTXN )
1328     {
1329         hText = 17 ;
1330     }
1331     else
1332     {
1333         hText = 13 ;
1334     }
1335 /*
1336     int cx, cy;
1337     wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
1338
1339     int wText = DEFAULT_ITEM_WIDTH;
1340
1341     int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
1342
1343     return wxSize(wText, hText);
1344 */
1345     if ( m_windowStyle & wxTE_MULTILINE )
1346     {
1347          hText *= 5 ;
1348     }
1349     hText += 2 * m_macVerticalBorder ;
1350     wText += 2 * m_macHorizontalBorder ;
1351     //else: for single line control everything is ok
1352     return wxSize(wText, hText);
1353 }
1354
1355 // ----------------------------------------------------------------------------
1356 // Undo/redo
1357 // ----------------------------------------------------------------------------
1358
1359 void wxTextCtrl::Undo()
1360 {
1361     if (CanUndo())
1362     {
1363         if ( m_macUsesTXN )
1364         {
1365             TXNUndo((TXNObject)m_macTXN);
1366         }
1367     }
1368 }
1369
1370 void wxTextCtrl::Redo()
1371 {
1372     if (CanRedo())
1373     {
1374         if ( m_macUsesTXN )
1375         {
1376             TXNRedo((TXNObject)m_macTXN);
1377         }
1378     }
1379 }
1380
1381 bool wxTextCtrl::CanUndo() const
1382 {
1383     if ( !IsEditable() )
1384     {
1385         return false ;
1386     }
1387     if ( m_macUsesTXN )
1388     {
1389         return TXNCanUndo((TXNObject)m_macTXN,NULL);
1390     }
1391     return FALSE ;
1392 }
1393
1394 bool wxTextCtrl::CanRedo() const
1395 {
1396     if ( !IsEditable() )
1397     {
1398         return false ;
1399     }
1400     if ( m_macUsesTXN )
1401     {
1402         return TXNCanRedo((TXNObject)m_macTXN,NULL);
1403     }
1404     return FALSE ;
1405 }
1406
1407 // Makes 'unmodified'
1408 void wxTextCtrl::DiscardEdits()
1409 {
1410     m_dirty = false;
1411 }
1412
1413 int wxTextCtrl::GetNumberOfLines() const
1414 {
1415     // TODO change this if possible to reflect real lines
1416     wxString content = GetValue() ;
1417
1418     int count = 1;
1419     for (size_t i = 0; i < content.Length() ; i++)
1420     {
1421         if (content[i] == '\r') count++;
1422     }
1423
1424     return count;
1425 }
1426
1427 long wxTextCtrl::XYToPosition(long x, long y) const
1428 {
1429     // TODO
1430     return 0;
1431 }
1432
1433 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
1434 {
1435     return FALSE ;
1436 }
1437
1438 void wxTextCtrl::ShowPosition(long pos)
1439 {
1440     // TODO
1441 }
1442
1443 int wxTextCtrl::GetLineLength(long lineNo) const
1444 {
1445     // TODO change this if possible to reflect real lines
1446     wxString content = GetValue() ;
1447
1448     // Find line first
1449     int count = 0;
1450     for (size_t i = 0; i < content.Length() ; i++)
1451     {
1452         if (count == lineNo)
1453         {
1454             // Count chars in line then
1455             count = 0;
1456             for (size_t j = i; j < content.Length(); j++)
1457             {
1458                 count++;
1459                 if (content[j] == '\r') return count;
1460             }
1461
1462             return count;
1463         }
1464         if (content[i] == '\r') count++;
1465     }
1466     return 0;
1467 }
1468
1469 wxString wxTextCtrl::GetLineText(long lineNo) const
1470 {
1471     // TODO change this if possible to reflect real lines
1472     wxString content = GetValue() ;
1473
1474     // Find line first
1475     int count = 0;
1476     for (size_t i = 0; i < content.Length() ; i++)
1477     {
1478         if (count == lineNo)
1479         {
1480             // Add chars in line then
1481             wxString tmp;
1482
1483             for (size_t j = i; j < content.Length(); j++)
1484             {
1485                 if (content[j] == '\r')
1486                     return tmp;
1487
1488                 tmp += content[j];
1489             }
1490
1491             return tmp;
1492         }
1493         if (content[i] == '\r') count++;
1494     }
1495     return wxEmptyString ;
1496 }
1497
1498 /*
1499  * Text item
1500  */
1501
1502 void wxTextCtrl::Command(wxCommandEvent & event)
1503 {
1504     SetValue (event.GetString());
1505     ProcessCommand (event);
1506 }
1507
1508 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
1509 {
1510     // By default, load the first file into the text window.
1511     if (event.GetNumberOfFiles() > 0)
1512     {
1513         LoadFile(event.GetFiles()[0]);
1514     }
1515 }
1516
1517 void wxTextCtrl::OnChar(wxKeyEvent& event)
1518 {
1519     int key = event.GetKeyCode() ;
1520     bool eat_key = false ;
1521
1522     if ( key == 'c' && event.MetaDown() )
1523     {
1524         if ( CanCopy() )
1525             Copy() ;
1526         return ;
1527     }
1528
1529     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
1530         !( key == WXK_RETURN && ( (m_windowStyle & wxPROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
1531 /*        && key != WXK_PRIOR && key != WXK_NEXT && key != WXK_HOME && key != WXK_END */
1532         )
1533     {
1534         // eat it
1535         return ;
1536     }
1537
1538     // assume that any key not processed yet is going to modify the control
1539     m_dirty = true;
1540
1541     if ( key == 'v' && event.MetaDown() )
1542     {
1543         if ( CanPaste() )
1544             Paste() ;
1545         return ;
1546     }
1547     if ( key == 'x' && event.MetaDown() )
1548     {
1549         if ( CanCut() )
1550             Cut() ;
1551         return ;
1552     }
1553     switch ( key )
1554     {
1555         case WXK_RETURN:
1556             if (m_windowStyle & wxPROCESS_ENTER)
1557             {
1558                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1559                 event.SetEventObject( this );
1560                 event.SetString( GetValue() );
1561                 if ( GetEventHandler()->ProcessEvent(event) )
1562                     return;
1563             }
1564             if ( !(m_windowStyle & wxTE_MULTILINE) )
1565             {
1566                 wxWindow *parent = GetParent();
1567                 while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
1568                   parent = parent->GetParent() ;
1569                 }
1570                 if ( parent && parent->GetDefaultItem() )
1571                 {
1572                     wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
1573                                                           wxButton);
1574                     if ( def && def->IsEnabled() )
1575                     {
1576                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
1577                         event.SetEventObject(def);
1578                         def->Command(event);
1579                         return ;
1580                    }
1581                 }
1582
1583                 // this will make wxWindows eat the ENTER key so that
1584                 // we actually prevent line wrapping in a single line
1585                 // text control
1586                 eat_key = TRUE;
1587             }
1588
1589             break;
1590
1591         case WXK_TAB:
1592             // always produce navigation event - even if we process TAB
1593             // ourselves the fact that we got here means that the user code
1594             // decided to skip processing of this TAB - probably to let it
1595             // do its default job.
1596             {
1597                 wxNavigationKeyEvent eventNav;
1598                 eventNav.SetDirection(!event.ShiftDown());
1599                 eventNav.SetWindowChange(event.ControlDown());
1600                 eventNav.SetEventObject(this);
1601
1602                 if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
1603                     return;
1604
1605                 event.Skip() ;
1606                 return;
1607             }
1608             break;
1609     }
1610
1611     if (!eat_key)
1612     {
1613         // perform keystroke handling
1614 #if TARGET_CARBON
1615         if ( m_macUsesTXN && wxTheApp->MacGetCurrentEvent() != NULL && wxTheApp->MacGetCurrentEventHandlerCallRef() != NULL )
1616             CallNextEventHandler((EventHandlerCallRef)wxTheApp->MacGetCurrentEventHandlerCallRef() , (EventRef) wxTheApp->MacGetCurrentEvent() ) ;
1617         else
1618 #endif
1619         {
1620             EventRecord rec ;
1621             if ( wxMacConvertEventToRecord(  (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) )
1622             {
1623                 EventRecord *ev = &rec ;
1624                 short keycode ;
1625                 short keychar ;
1626                 keychar = short(ev->message & charCodeMask);
1627                 keycode = short(ev->message & keyCodeMask) >> 8 ;
1628
1629                 ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
1630             }
1631         }
1632     }
1633     if ( ( key >= 0x20 && key < WXK_START ) ||
1634          key == WXK_RETURN ||
1635          key == WXK_DELETE ||
1636          key == WXK_BACK)
1637     {
1638         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1639         event1.SetString( GetValue() ) ;
1640         event1.SetEventObject( this );
1641         wxPostEvent(GetEventHandler(),event1);
1642     }
1643 }
1644
1645 void  wxTextCtrl::MacSuperShown( bool show )
1646 {
1647     bool former = m_macControlIsShown ;
1648     wxControl::MacSuperShown( show ) ;
1649     if ( (former != m_macControlIsShown) && m_macUsesTXN )
1650     {
1651         if ( m_macControlIsShown )
1652             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1653                 (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom,(**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1654         else
1655             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1656                (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1657     }
1658 }
1659
1660 bool  wxTextCtrl::Show(bool show)
1661 {
1662     bool former = m_macControlIsShown ;
1663
1664     bool retval = wxControl::Show( show ) ;
1665
1666     if ( former != m_macControlIsShown && m_macUsesTXN )
1667     {
1668         if ( m_macControlIsShown )
1669             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1670                 (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom,(**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1671         else
1672             TXNSetFrameBounds( (TXNObject) m_macTXN, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.top + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.left,
1673                (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.bottom + 30000, (**(STPTextPaneVars **)m_macTXNvars).fRTextArea.right, (**(STPTextPaneVars **)m_macTXNvars).fTXNFrame);
1674     }
1675
1676     return retval ;
1677 }
1678
1679 // ----------------------------------------------------------------------------
1680 // standard handlers for standard edit menu events
1681 // ----------------------------------------------------------------------------
1682
1683 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1684 {
1685     Cut();
1686 }
1687
1688 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1689 {
1690     Copy();
1691 }
1692
1693 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1694 {
1695     Paste();
1696 }
1697
1698 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1699 {
1700     Undo();
1701 }
1702
1703 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1704 {
1705     Redo();
1706 }
1707
1708 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1709 {
1710     event.Enable( CanCut() );
1711 }
1712
1713 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1714 {
1715     event.Enable( CanCopy() );
1716 }
1717
1718 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1719 {
1720     event.Enable( CanPaste() );
1721 }
1722
1723 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1724 {
1725     event.Enable( CanUndo() );
1726 }
1727
1728 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1729 {
1730     event.Enable( CanRedo() );
1731 }
1732
1733 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1734 {
1735     if ( m_macUsesTXN )
1736         return true ;
1737     else
1738         return wxWindow::MacSetupCursor( pt ) ;
1739 }
1740
1741 #endif
1742     // wxUSE_TEXTCTRL