Add Qt3 development HEAD version

1 files changed, 636 insertions, 0 deletions

diff --git a/src/kernel/qrichtext_p.cpp b/src/kernel/qrichtext_p.cpp
new file mode 100644
index 0000000..cf79a51
--- /dev/null
+++ b/src/kernel/qrichtext_p.cpp
@@ -0,0 +1,636 @@
+/****************************************************************************
+**
+** Implementation of the internal Qt classes dealing with rich text
+**
+** Created : 990101
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of the kernel module of the Qt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at [email protected].
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.QPL
+** included in the packaging of this file.  Licensees holding valid Qt
+** Commercial licenses may use this file in accordance with the Qt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "qrichtext_p.h"
+
+#ifndef QT_NO_RICHTEXT
+
+QTextCommand::~QTextCommand() {}
+QTextCommand::Commands QTextCommand::type() const { return Invalid; }
+
+
+#ifndef QT_NO_TEXTCUSTOMITEM
+QTextCustomItem::~QTextCustomItem() {}
+void QTextCustomItem::adjustToPainter( QPainter* p){ if ( p ) width = 0; }
+QTextCustomItem::Placement QTextCustomItem::placement() const { return PlaceInline; }
+
+bool QTextCustomItem::ownLine() const { return FALSE; }
+void QTextCustomItem::resize( int nwidth ){ width = nwidth; }
+void QTextCustomItem::invalidate() {}
+
+bool QTextCustomItem::isNested() const { return FALSE; }
+int QTextCustomItem::minimumWidth() const { return 0; }
+
+QString QTextCustomItem::richText() const { return QString::null; }
+
+bool QTextCustomItem::enter( QTextCursor *, QTextDocument*&, QTextParagraph *&, int &, int &, int &, bool )
+{
+    return TRUE;
+}
+bool QTextCustomItem::enterAt( QTextCursor *, QTextDocument *&, QTextParagraph *&, int &, int &, int &, const QPoint & )
+{
+    return TRUE;
+}
+bool QTextCustomItem::next( QTextCursor *, QTextDocument *&, QTextParagraph *&, int &, int &, int & )
+{
+    return TRUE;
+}
+bool QTextCustomItem::prev( QTextCursor *, QTextDocument *&, QTextParagraph *&, int &, int &, int & )
+{
+    return TRUE;
+}
+bool QTextCustomItem::down( QTextCursor *, QTextDocument *&, QTextParagraph *&, int &, int &, int & )
+{
+    return TRUE;
+}
+bool QTextCustomItem::up( QTextCursor *, QTextDocument *&, QTextParagraph *&, int &, int &, int & )
+{
+    return TRUE;
+}
+#endif // QT_NO_TEXTCUSTOMITEM
+
+void QTextFlow::setPageSize( int ps ) { pagesize = ps; }
+#ifndef QT_NO_TEXTCUSTOMITEM
+bool QTextFlow::isEmpty() { return leftItems.isEmpty() && rightItems.isEmpty(); }
+#else
+bool QTextFlow::isEmpty() { return TRUE; }
+#endif
+
+#ifndef QT_NO_TEXTCUSTOMITEM
+void QTextTableCell::invalidate() { cached_width = -1; cached_sizehint = -1; }
+
+void QTextTable::invalidate() { cachewidth = -1; }
+#endif
+
+QTextParagraphData::~QTextParagraphData() {}
+void QTextParagraphData::join( QTextParagraphData * ) {}
+
+QTextFormatter::~QTextFormatter() {}
+void QTextFormatter::setWrapEnabled( bool b ) { wrapEnabled = b; }
+void QTextFormatter::setWrapAtColumn( int c ) { wrapColumn = c; }
+
+
+
+int QTextCursor::x() const
+{
+    if ( idx >= para->length() )
+	return 0;
+    QTextStringChar *c = para->at( idx );
+    int curx = c->x;
+    if ( !c->rightToLeft &&
+	 c->c.isSpace() &&
+	 idx > 0 &&
+	 para->at( idx - 1 )->c != '\t' &&
+	 !c->lineStart &&
+	 ( para->alignment() & Qt::AlignJustify ) == Qt::AlignJustify )
+	curx = para->at( idx - 1 )->x + para->string()->width( idx - 1 );
+    if ( c->rightToLeft )
+	curx += para->string()->width( idx );
+    return curx;
+}
+
+int QTextCursor::y() const
+{
+    int dummy, line;
+    para->lineStartOfChar( idx, &dummy, &line );
+    return para->lineY( line );
+}
+
+int QTextCursor::globalX() const { return totalOffsetX() + para->rect().x() + x(); }
+int QTextCursor::globalY() const { return totalOffsetY() + para->rect().y() + y(); }
+
+QTextDocument *QTextCursor::document() const
+{
+    return para ? para->document() : 0;
+}
+
+void QTextCursor::gotoPosition( QTextParagraph* p, int index )
+{
+    if ( para && p != para ) {
+	while ( !indices.isEmpty() && para->document() != p->document() )
+	    pop();
+	Q_ASSERT( indices.isEmpty() || para->document() == p->document() );
+    }
+    para = p;
+    if ( index < 0 || index >= para->length() ) {
+#if defined(QT_CHECK_RANGE)
+	qWarning( "QTextCursor::gotoParagraph Index: %d out of range", index );
+#endif
+	if ( index < 0 || para->length() == 0 )
+	    index = 0;
+	else
+	    index = para->length() - 1;
+    }
+
+    tmpX = -1;
+    idx = index;
+    fixCursorPosition();
+}
+
+bool QTextDocument::hasSelection( int id, bool visible ) const
+{
+    return ( selections.find( id ) != selections.end() &&
+	     ( !visible ||
+	       ( (QTextDocument*)this )->selectionStartCursor( id ) !=
+	       ( (QTextDocument*)this )->selectionEndCursor( id ) ) );
+}
+
+void QTextDocument::setSelectionStart( int id, const QTextCursor &cursor )
+{
+    QTextDocumentSelection sel;
+    sel.startCursor = cursor;
+    sel.endCursor = cursor;
+    sel.swapped = FALSE;
+    selections[ id ] = sel;
+}
+
+QTextParagraph *QTextDocument::paragAt( int i ) const
+{
+    QTextParagraph* p = curParag;
+    if ( !p || p->paragId() > i )
+	p = fParag;
+    while ( p && p->paragId() != i )
+	p = p->next();
+    ((QTextDocument*)this)->curParag = p;
+    return p;
+}
+
+
+QTextFormat::~QTextFormat()
+{
+}
+
+QTextFormat::QTextFormat()
+    : fm( QFontMetrics( fn ) ), linkColor( TRUE ), logicalFontSize( 3 ), stdSize( qApp->font().pointSize() )
+{
+    ref = 0;
+
+    usePixelSizes = FALSE;
+    if ( stdSize == -1 ) {
+	stdSize = qApp->font().pixelSize();
+	usePixelSizes = TRUE;
+    }
+
+    missp = FALSE;
+    ha = AlignNormal;
+    collection = 0;
+}
+
+QTextFormat::QTextFormat( const QStyleSheetItem *style )
+    : fm( QFontMetrics( fn ) ), linkColor( TRUE ), logicalFontSize( 3 ), stdSize( qApp->font().pointSize() )
+{
+    ref = 0;
+
+    usePixelSizes = FALSE;
+    if ( stdSize == -1 ) {
+	stdSize = qApp->font().pixelSize();
+	usePixelSizes = TRUE;
+    }
+
+    missp = FALSE;
+    ha = AlignNormal;
+    collection = 0;
+    fn = QFont( style->fontFamily(),
+		style->fontSize(),
+		style->fontWeight(),
+		style->fontItalic() );
+    fn.setUnderline( style->fontUnderline() );
+    fn.setStrikeOut( style->fontStrikeOut() );
+    col = style->color();
+    fm = QFontMetrics( fn );
+    leftBearing = fm.minLeftBearing();
+    rightBearing = fm.minRightBearing();
+    hei = fm.lineSpacing();
+    asc = fm.ascent() + (fm.leading()+1)/2;
+    dsc = fm.descent();
+    missp = FALSE;
+    ha = AlignNormal;
+    memset( widths, 0, 256 );
+    generateKey();
+    addRef();
+}
+
+QTextFormat::QTextFormat( const QFont &f, const QColor &c, QTextFormatCollection *parent )
+    : fn( f ), col( c ), fm( QFontMetrics( f ) ), linkColor( TRUE ),
+      logicalFontSize( 3 ), stdSize( f.pointSize() )
+{
+    ref = 0;
+    usePixelSizes = FALSE;
+    if ( stdSize == -1 ) {
+	stdSize = f.pixelSize();
+	usePixelSizes = TRUE;
+    }
+    collection = parent;
+    leftBearing = fm.minLeftBearing();
+    rightBearing = fm.minRightBearing();
+    hei = fm.lineSpacing();
+    asc = fm.ascent() + (fm.leading()+1)/2;
+    dsc = fm.descent();
+    missp = FALSE;
+    ha = AlignNormal;
+    memset( widths, 0, 256 );
+    generateKey();
+    addRef();
+}
+
+QTextFormat::QTextFormat( const QTextFormat &f )
+    : fm( f.fm )
+{
+    ref = 0;
+    collection = 0;
+    fn = f.fn;
+    col = f.col;
+    leftBearing = f.leftBearing;
+    rightBearing = f.rightBearing;
+    memset( widths, 0, 256 );
+    hei = f.hei;
+    asc = f.asc;
+    dsc = f.dsc;
+    stdSize = f.stdSize;
+    usePixelSizes = f.usePixelSizes;
+    logicalFontSize = f.logicalFontSize;
+    missp = f.missp;
+    ha = f.ha;
+    k = f.k;
+    linkColor = f.linkColor;
+    addRef();
+}
+
+QTextFormat& QTextFormat::operator=( const QTextFormat &f )
+{
+    ref = 0;
+    collection = f.collection;
+    fn = f.fn;
+    col = f.col;
+    fm = f.fm;
+    leftBearing = f.leftBearing;
+    rightBearing = f.rightBearing;
+    memset( widths, 0, 256 );
+    hei = f.hei;
+    asc = f.asc;
+    dsc = f.dsc;
+    stdSize = f.stdSize;
+    usePixelSizes = f.usePixelSizes;
+    logicalFontSize = f.logicalFontSize;
+    missp = f.missp;
+    ha = f.ha;
+    k = f.k;
+    linkColor = f.linkColor;
+    addRef();
+    return *this;
+}
+
+void QTextFormat::update()
+{
+    fm = QFontMetrics( fn );
+    leftBearing = fm.minLeftBearing();
+    rightBearing = fm.minRightBearing();
+    hei = fm.lineSpacing();
+    asc = fm.ascent() + (fm.leading()+1)/2;
+    dsc = fm.descent();
+    memset( widths, 0, 256 );
+    generateKey();
+}
+
+
+QPainter* QTextFormat::pntr = 0;
+QFontMetrics* QTextFormat::pntr_fm = 0;
+int QTextFormat::pntr_ldg=-1;
+int QTextFormat::pntr_asc=-1;
+int QTextFormat::pntr_hei=-1;
+int QTextFormat::pntr_dsc=-1;
+
+void QTextFormat::setPainter( QPainter *p )
+{
+    pntr = p;
+}
+
+QPainter*  QTextFormat::painter()
+{
+    return pntr;
+}
+
+void QTextFormat::applyFont( const QFont &f )
+{
+    QFontMetrics fm( pntr->fontMetrics() );
+    if ( !pntr_fm
+	|| pntr_fm->painter != pntr
+	|| pntr_fm->d != fm.d
+	|| !pntr->font().isCopyOf( f ) ) {
+	pntr->setFont( f );
+	delete pntr_fm;
+	pntr_fm = new QFontMetrics( pntr->fontMetrics() );
+	pntr_ldg = pntr_fm->leading();
+	pntr_asc = pntr_fm->ascent()+(pntr_ldg+1)/2;
+	pntr_hei = pntr_fm->lineSpacing();
+	pntr_dsc = -1;
+    }
+}
+
+int QTextFormat::minLeftBearing() const
+{
+    if ( !pntr || !pntr->isActive() )
+	return leftBearing;
+    applyFont( fn );
+    return pntr_fm->minLeftBearing();
+}
+
+int QTextFormat::minRightBearing() const
+{
+    if ( !pntr || !pntr->isActive() )
+	return rightBearing;
+    applyFont( fn );
+    return pntr_fm->minRightBearing();
+}
+
+int QTextFormat::height() const
+{
+    if ( !pntr || !pntr->isActive() )
+	return hei;
+    applyFont( fn );
+    return pntr_hei;
+}
+
+int QTextFormat::ascent() const
+{
+    if ( !pntr || !pntr->isActive() )
+	return asc;
+    applyFont( fn );
+    return pntr_asc;
+}
+
+int QTextFormat::descent() const
+{
+    if ( !pntr || !pntr->isActive() )
+	return dsc;
+    applyFont( fn );
+    if ( pntr_dsc < 0 )
+	pntr_dsc = pntr_fm->descent();
+    return pntr_dsc;
+}
+
+int QTextFormat::leading() const
+{
+    if ( !pntr || !pntr->isActive() )
+	return fm.leading();
+    applyFont( fn );
+    return pntr_ldg;
+}
+
+void QTextFormat::generateKey()
+{
+    k = getKey( fn, col, isMisspelled(), vAlign() );
+}
+
+QString QTextFormat::getKey( const QFont &fn, const QColor &col, bool misspelled, VerticalAlignment a )
+{
+    QString k = fn.key();
+    k += '/';
+    k += QString::number( (uint)col.rgb() );
+    k += '/';
+    k += QString::number( (int)misspelled );
+    k += '/';
+    k += QString::number( (int)a );
+    return k;
+}
+
+QString QTextString::toString( const QMemArray<QTextStringChar> &data )
+{
+    QString s;
+    int l = data.size();
+    s.setUnicode( 0, l );
+    QTextStringChar *c = data.data();
+    QChar *uc = (QChar *)s.unicode();
+    while ( l-- )
+	*(uc++) = (c++)->c;
+
+    return s;
+}
+
+void QTextParagraph::setSelection( int id, int start, int end )
+{
+    QMap<int, QTextParagraphSelection>::ConstIterator it = selections().find( id );
+    if ( it != mSelections->end() ) {
+	if ( start == ( *it ).start && end == ( *it ).end )
+	    return;
+    }
+
+    QTextParagraphSelection sel;
+    sel.start = start;
+    sel.end = end;
+    (*mSelections)[ id ] = sel;
+    setChanged( TRUE, TRUE );
+}
+
+void QTextParagraph::removeSelection( int id )
+{
+    if ( !hasSelection( id ) )
+	return;
+    if ( mSelections )
+	mSelections->remove( id );
+    setChanged( TRUE, TRUE );
+}
+
+int QTextParagraph::selectionStart( int id ) const
+{
+    if ( !mSelections )
+	return -1;
+    QMap<int, QTextParagraphSelection>::ConstIterator it = mSelections->find( id );
+    if ( it == mSelections->end() )
+	return -1;
+    return ( *it ).start;
+}
+
+int QTextParagraph::selectionEnd( int id ) const
+{
+    if ( !mSelections )
+	return -1;
+    QMap<int, QTextParagraphSelection>::ConstIterator it = mSelections->find( id );
+    if ( it == mSelections->end() )
+	return -1;
+    return ( *it ).end;
+}
+
+bool QTextParagraph::hasSelection( int id ) const
+{
+    return mSelections ? mSelections->contains( id ) : FALSE;
+}
+
+bool QTextParagraph::fullSelected( int id ) const
+{
+    if ( !mSelections )
+	return FALSE;
+    QMap<int, QTextParagraphSelection>::ConstIterator it = mSelections->find( id );
+    if ( it == mSelections->end() )
+	return FALSE;
+    return ( *it ).start == 0 && ( *it ).end == str->length() - 1;
+}
+
+int QTextParagraph::lineY( int l ) const
+{
+    if ( l > (int)lineStarts.count() - 1 ) {
+	qWarning( "QTextParagraph::lineY: line %d out of range!", l );
+	return 0;
+    }
+
+    if ( !isValid() )
+	( (QTextParagraph*)this )->format();
+
+    QMap<int, QTextLineStart*>::ConstIterator it = lineStarts.begin();
+    while ( l-- > 0 )
+	++it;
+    return ( *it )->y;
+}
+
+int QTextParagraph::lineBaseLine( int l ) const
+{
+    if ( l > (int)lineStarts.count() - 1 ) {
+	qWarning( "QTextParagraph::lineBaseLine: line %d out of range!", l );
+	return 10;
+    }
+
+    if ( !isValid() )
+	( (QTextParagraph*)this )->format();
+
+    QMap<int, QTextLineStart*>::ConstIterator it = lineStarts.begin();
+    while ( l-- > 0 )
+	++it;
+    return ( *it )->baseLine;
+}
+
+int QTextParagraph::lineHeight( int l ) const
+{
+    if ( l > (int)lineStarts.count() - 1 ) {
+	qWarning( "QTextParagraph::lineHeight: line %d out of range!", l );
+	return 15;
+    }
+
+    if ( !isValid() )
+	( (QTextParagraph*)this )->format();
+
+    QMap<int, QTextLineStart*>::ConstIterator it = lineStarts.begin();
+    while ( l-- > 0 )
+	++it;
+    return ( *it )->h;
+}
+
+void QTextParagraph::lineInfo( int l, int &y, int &h, int &bl ) const
+{
+    if ( l > (int)lineStarts.count() - 1 ) {
+	qWarning( "QTextParagraph::lineInfo: line %d out of range!", l );
+	qDebug( "%d %d", (int)lineStarts.count() - 1, l );
+	y = 0;
+	h = 15;
+	bl = 10;
+	return;
+    }
+
+    if ( !isValid() )
+	( (QTextParagraph*)this )->format();
+
+    QMap<int, QTextLineStart*>::ConstIterator it = lineStarts.begin();
+    while ( l-- > 0 )
+	++it;
+    y = ( *it )->y;
+    h = ( *it )->h;
+    bl = ( *it )->baseLine;
+}
+
+
+void QTextParagraph::setAlignment( int a )
+{
+    if ( a == (int)align )
+	return;
+    align = a;
+    invalidate( 0 );
+}
+
+QTextFormatter *QTextParagraph::formatter() const
+{
+    if ( hasdoc )
+	return document()->formatter();
+    if ( pseudoDocument()->pFormatter )
+	return pseudoDocument()->pFormatter;
+    return ( ( (QTextParagraph*)this )->pseudoDocument()->pFormatter = new QTextFormatterBreakWords );
+}
+
+void QTextParagraph::setTabArray( int *a )
+{
+    delete [] tArray;
+    tArray = a;
+}
+
+void QTextParagraph::setTabStops( int tw )
+{
+    if ( hasdoc )
+	document()->setTabStops( tw );
+    else
+	tabStopWidth = tw;
+}
+
+QMap<int, QTextParagraphSelection> &QTextParagraph::selections() const
+{
+    if ( !mSelections )
+	((QTextParagraph *)this)->mSelections = new QMap<int, QTextParagraphSelection>;
+    return *mSelections;
+}
+
+#ifndef QT_NO_TEXTCUSTOMITEM
+QPtrList<QTextCustomItem> &QTextParagraph::floatingItems() const
+{
+    if ( !mFloatingItems )
+	((QTextParagraph *)this)->mFloatingItems = new QPtrList<QTextCustomItem>;
+    return *mFloatingItems;
+}
+#endif
+
+QTextStringChar::~QTextStringChar()
+{
+    if ( format() )
+	format()->removeRef();
+    if ( type ) // not Regular
+	delete d.custom;
+}
+
+QTextParagraphPseudoDocument::QTextParagraphPseudoDocument():pFormatter(0),commandHistory(0), minw(0),wused(0),collection(){}
+QTextParagraphPseudoDocument::~QTextParagraphPseudoDocument(){ delete pFormatter; delete commandHistory; }
+
+
+#endif //QT_NO_RICHTEXT