src/mac/textctrl.cpp

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