+ lastHeight = curpt.v ;
+ }
+ else
+ ++xpos ;
+ }
+
+ return 0 ;
+}
+
+bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
+{
+ Point curpt ;
+ wxTextPos lastpos ;
+
+ if ( y )
+ *y = 0 ;
+ if ( x )
+ *x = 0 ;
+
+ lastpos = GetLastPosition() ;
+ if ( pos <= lastpos )
+ {
+ // TODO: find a better implementation - while we can get the
+ // line metrics of a certain line, we don't get its starting
+ // position, so it would probably be rather a binary search
+ // for the start position
+ long xpos = 0, ypos = 0 ;
+ int lastHeight = 0 ;
+ ItemCount n ;
+
+ for ( n = 0 ; n <= (ItemCount) pos ; ++n )
+ {
+ TXNOffsetToPoint( m_txn, n, &curpt ) ;
+
+ if ( curpt.v > lastHeight )
+ {
+ xpos = 0 ;
+ if ( n > 0 )
+ ++ypos ;
+
+ lastHeight = curpt.v ;
+ }
+ else
+ ++xpos ;
+ }
+
+ if ( y )
+ *y = ypos ;
+ if ( x )
+ *x = xpos ;
+ }
+
+ return false ;
+}
+
+void wxMacMLTEControl::ShowPosition( long pos )
+{
+ Point current, desired ;
+ TXNOffset selstart, selend;
+
+ TXNGetSelection( m_txn, &selstart, &selend );
+ TXNOffsetToPoint( m_txn, selstart, ¤t );
+ TXNOffsetToPoint( m_txn, pos, &desired );
+
+ // TODO: use HIPoints for 10.3 and above
+
+ OSErr theErr = noErr;
+ long dv = desired.v - current.v;
+ long dh = desired.h - current.h;
+ TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
+ theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
+
+ // there will be an error returned for classic MLTE implementation when the control is
+ // invisible, but HITextView works correctly, so we don't assert that one
+ // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
+}
+
+void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
+{
+#if wxUSE_UNICODE
+#if SIZEOF_WCHAR_T == 2
+ size_t len = st.length() ;
+ TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
+#else
+ wxMBConvUTF16 converter ;
+ ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
+ UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
+ converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
+ TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
+ free( unibuf ) ;
+#endif
+#else
+ wxCharBuffer text = st.mb_str( wxConvLocal ) ;
+ TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
+#endif
+}
+
+wxString wxMacMLTEControl::GetLineText(long lineNo) const
+{
+ wxString line ;
+
+ if ( lineNo < GetNumberOfLines() )
+ {
+ Point firstPoint;
+ Fixed lineWidth, lineHeight, currentHeight;
+ long ypos ;
+
+ // get the first possible position in the control
+ TXNOffsetToPoint(m_txn, 0, &firstPoint);
+
+ // Iterate through the lines until we reach the one we want,
+ // adding to our current y pixel point position
+ ypos = 0 ;
+ currentHeight = 0;
+ while (ypos < lineNo)
+ {
+ TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
+ currentHeight += lineHeight;
+ }
+
+ Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
+ TXNOffset theOffset;
+ TXNPointToOffset(m_txn, thePoint, &theOffset);
+
+ wxString content = GetStringValue() ;
+ Point currentPoint = thePoint;
+ while (thePoint.v == currentPoint.v && theOffset < content.length())
+ {
+ line += content[theOffset];
+ TXNOffsetToPoint(m_txn, ++theOffset, ¤tPoint);
+ }
+ }
+
+ return line ;
+}
+
+int wxMacMLTEControl::GetLineLength(long lineNo) const
+{
+ int theLength = 0;
+
+ if ( lineNo < GetNumberOfLines() )
+ {
+ Point firstPoint;
+ Fixed lineWidth, lineHeight, currentHeight;
+ long ypos;
+
+ // get the first possible position in the control
+ TXNOffsetToPoint(m_txn, 0, &firstPoint);
+
+ // Iterate through the lines until we reach the one we want,
+ // adding to our current y pixel point position
+ ypos = 0;
+ currentHeight = 0;
+ while (ypos < lineNo)
+ {
+ TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
+ currentHeight += lineHeight;
+ }
+
+ Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
+ TXNOffset theOffset;
+ TXNPointToOffset(m_txn, thePoint, &theOffset);
+
+ wxString content = GetStringValue() ;
+ Point currentPoint = thePoint;
+ while (thePoint.v == currentPoint.v && theOffset < content.length())
+ {
+ ++theLength;
+ TXNOffsetToPoint(m_txn, ++theOffset, ¤tPoint);
+ }
+ }
+
+ return theLength ;
+}
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
+
+// ----------------------------------------------------------------------------
+// MLTE control implementation (classic part)
+// ----------------------------------------------------------------------------
+
+// OS X Notes : We still don't have a full replacement for MLTE, so this implementation
+// has to live on. We have different problems coming from outdated implementations on the
+// various OS X versions. Most deal with the scrollbars: they are not correctly embedded
+// while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
+// no way out, therefore we are using our own implementation and our own scrollbars ....
+
+#ifdef __WXMAC_OSX__
+
+TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
+ControlActionUPP gTXNScrollActionProc = NULL ;
+
+pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
+ SInt32 iValue, SInt32 iMaximumValue,
+ TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
+{
+ wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
+ SInt32 value = wxMax( iValue , 0 ) ;
+ SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
+
+ if ( iScrollBarOrientation == kTXNHorizontal )
+ {
+ if ( mlte->m_sbHorizontal )
+ {
+ SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
+ SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
+ mlte->m_lastHorizontalValue = value ;
+ }
+ }
+ else if ( iScrollBarOrientation == kTXNVertical )
+ {
+ if ( mlte->m_sbVertical )
+ {
+ SetControl32BitValue( mlte->m_sbVertical , value ) ;
+ SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
+ mlte->m_lastVerticalValue = value ;
+ }
+ }
+}
+
+pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
+{
+ wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
+ if ( mlte == NULL )
+ return ;
+
+ if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
+ return ;
+
+ OSStatus err ;
+ bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
+
+ SInt32 minimum = 0 ;
+ SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
+ SInt32 value = GetControl32BitValue( controlRef ) ;
+ SInt32 delta = 0;
+
+ switch ( partCode )
+ {
+ case kControlDownButtonPart :
+ delta = 10 ;
+ break ;
+
+ case kControlUpButtonPart :
+ delta = -10 ;
+ break ;
+
+ case kControlPageDownPart :
+ delta = GetControlViewSize( controlRef ) ;
+ break ;
+
+ case kControlPageUpPart :
+ delta = -GetControlViewSize( controlRef ) ;
+ break ;
+
+ case kControlIndicatorPart :
+ delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
+ break ;
+
+ default :
+ break ;
+ }
+
+ if ( delta != 0 )
+ {
+ SInt32 newValue = value ;
+
+ if ( partCode != kControlIndicatorPart )
+ {
+ if ( value + delta < minimum )
+ delta = minimum - value ;
+ if ( value + delta > maximum )
+ delta = maximum - value ;
+
+ SetControl32BitValue( controlRef , value + delta ) ;
+ newValue = value + delta ;
+ }
+
+ SInt32 verticalDelta = isHorizontal ? 0 : delta ;
+ SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
+
+ err = TXNScroll(
+ mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
+ &verticalDelta, &horizontalDelta );
+ verify_noerr( err );
+
+ if ( isHorizontal )
+ mlte->m_lastHorizontalValue = newValue ;
+ else
+ mlte->m_lastVerticalValue = newValue ;
+ }
+}
+#endif
+
+// make correct activations
+void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
+{
+ wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
+
+ wxMacWindowClipper clipper( textctrl ) ;
+ TXNActivate( m_txn, m_txnFrameID, setActive );
+
+ ControlRef controlFocus = 0 ;
+ GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
+ if ( controlFocus == m_controlRef )
+ TXNFocus( m_txn, setActive );
+}
+
+void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
+{
+ TXNFocus( m_txn, setFocus );
+}
+
+// guards against inappropriate redraw (hidden objects drawing onto window)
+
+void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
+{
+ ControlRef controlFocus = 0 ;
+ GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
+
+ if ( !vis && (controlFocus == m_controlRef ) )
+ SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
+
+ TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
+ TXNControlData iControlData[1] = { { (UInt32)false } };
+
+ verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
+
+ if ( iControlData[0].uValue != vis )
+ {
+ iControlData[0].uValue = vis ;
+ verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
+ }
+
+ // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
+ // if we run into further problems we might set the FrameBounds to an empty rect here
+}
+
+// make sure that the TXNObject is at the right position
+
+void wxMacMLTEClassicControl::MacUpdatePosition()
+{
+ wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
+ if ( textctrl == NULL )
+ return ;
+
+ Rect bounds ;
+ UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
+
+ wxRect visRect = textctrl->MacGetClippedClientRect() ;
+ Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
+ int x , y ;
+ x = y = 0 ;
+ textctrl->MacWindowToRootWindow( &x , &y ) ;
+ OffsetRect( &visBounds , x , y ) ;
+
+ if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
+ {
+ m_txnControlBounds = bounds ;
+ m_txnVisBounds = visBounds ;
+ wxMacWindowClipper cl( textctrl ) ;
+
+#ifdef __WXMAC_OSX__
+ if ( m_sbHorizontal || m_sbVertical )
+ {
+ int w = bounds.right - bounds.left ;
+ int h = bounds.bottom - bounds.top ;
+
+ if ( m_sbHorizontal )
+ {
+ Rect sbBounds ;
+
+ sbBounds.left = -1 ;
+ sbBounds.top = h - 14 ;
+ sbBounds.right = w + 1 ;
+ sbBounds.bottom = h + 1 ;
+
+ SetControlBounds( m_sbHorizontal , &sbBounds ) ;
+ SetControlViewSize( m_sbHorizontal , w ) ;
+ }
+
+ if ( m_sbVertical )
+ {
+ Rect sbBounds ;
+
+ sbBounds.left = w - 14 ;
+ sbBounds.top = -1 ;
+ sbBounds.right = w + 1 ;
+ sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
+
+ SetControlBounds( m_sbVertical , &sbBounds ) ;
+ SetControlViewSize( m_sbVertical , h ) ;
+ }
+ }
+
+ Rect oldviewRect ;
+ TXNLongRect olddestRect ;
+ TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
+
+ Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
+ m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
+ m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
+ TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
+ m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
+ m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
+
+ if ( olddestRect.right >= 10000 )
+ destRect.right = destRect.left + 32000 ;
+
+ if ( olddestRect.bottom >= 0x20000000 )
+ destRect.bottom = destRect.top + 0x40000000 ;
+
+ SectRect( &viewRect , &visBounds , &viewRect ) ;
+ TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
+
+#if 0
+ TXNSetFrameBounds(
+ m_txn,
+ m_txnControlBounds.top,
+ m_txnControlBounds.left,
+ m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
+ m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
+ m_txnFrameID );
+#endif
+#else
+
+ TXNSetFrameBounds(
+ m_txn, m_txnControlBounds.top, m_txnControlBounds.left,
+ wxMax( m_txnControlBounds.bottom, m_txnControlBounds.top ),
+ wxMax( m_txnControlBounds.right, m_txnControlBounds.left ), m_txnFrameID );
+#endif
+
+ // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
+ // movement, therefore we have to force it
+
+ // this problem has been reported in OSX as well, so we use this here once again
+
+ TXNLongRect textRect ;
+ TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
+ if ( textRect.left < m_txnControlBounds.left )
+ TXNShowSelection( m_txn , kTXNShowStart ) ;
+ }
+}
+
+void wxMacMLTEClassicControl::SetRect( Rect *r )
+{
+ wxMacControl::SetRect( r ) ;
+ MacUpdatePosition() ;
+}
+
+void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 thePart)
+{
+ wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
+ if ( textctrl == NULL )
+ return ;
+
+ if ( textctrl->MacIsReallyShown() )
+ {
+ wxMacWindowClipper clipper( textctrl ) ;
+ TXNDraw( m_txn , NULL ) ;
+ }
+}