1 files changed, 714 insertions, 0 deletions

diff --git a/tools/designer/editor/completion.cpp b/tools/designer/editor/completion.cpp
new file mode 100644
index 0000000..9ab09fa
--- /dev/null
+++ b/tools/designer/editor/completion.cpp
@@ -0,0 +1,714 @@
+/**********************************************************************
+** Copyright (C) 2005-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of Qt Designer.
+**
+** 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 sales@trolltech.com.
+**
+** 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 "completion.h"
+#include "paragdata.h"
+#include "editor.h"
+#include <qlistbox.h>
+#include <qvbox.h>
+#include <qmap.h>
+#include <private/qrichtext_p.h>
+#include <qapplication.h>
+#include <qregexp.h>
+#include "arghintwidget.h"
+#include <qsizegrip.h>
+#include <qtimer.h>
+
+static QColor getColor( const QString &type )
+{
+    if ( type == "function" || type == "slot" || type == "package" )
+	return Qt::blue;
+    else if ( type == "variable" || type == "widget" || type == "dir" )
+	return Qt::darkRed;
+    else if ( type == "object" || type == "class" )
+	return Qt::darkBlue;
+    else if ( type == "property" )
+	return Qt::darkGreen;
+    else if ( type == "enum" )
+	return Qt::darkYellow;
+    return Qt::black;
+}
+
+class CompletionItem : public QListBoxItem
+{
+public:
+    CompletionItem( QListBox *lb, const QString &txt, const QString &t, const QString &p,
+		    const QString &pre, const QString &p2 )
+	: QListBoxItem( lb ), type( t ), postfix( p ), prefix( pre ), postfix2( p2 ),
+	  parag( 0 ), lastState( FALSE ) { setText( txt ); }
+    ~CompletionItem() { delete parag; }
+    void paint( QPainter *painter ) {
+	if ( lastState != isSelected() ) {
+	    delete parag;
+	    parag = 0;
+	}
+	lastState = isSelected();
+	if ( !parag )
+	    setupParagraph();
+	parag->paint( *painter, listBox()->colorGroup() );
+    }
+
+    int height( const QListBox * ) const {
+	if ( !parag )
+	    ( (CompletionItem*)this )->setupParagraph();
+	return parag->rect().height();
+    }
+    int width( const QListBox * ) const {
+	if ( !parag )
+	    ( (CompletionItem*)this )->setupParagraph();
+	return parag->rect().width() - 2;
+    }
+    QString text() const { return QListBoxItem::text() + postfix; }
+
+private:
+    void setupParagraph();
+    QString type, postfix, prefix, postfix2;
+    QTextParagraph *parag;
+    bool lastState;
+
+};
+
+void CompletionItem::setupParagraph() {
+    if ( !parag ) {
+	QTextFormatter *formatter;
+	formatter = new QTextFormatterBreakWords;
+	formatter->setWrapEnabled( FALSE );
+	parag = new QTextParagraph( 0 );
+	parag->setTabStops( listBox()->fontMetrics().width( "propertyXXXX" ) );
+	parag->pseudoDocument()->pFormatter = formatter;
+	parag->insert( 0, " " + type + ( type.isEmpty() ? " " : "\t" ) + prefix +
+		       QListBoxItem::text() + postfix + postfix2 );
+	bool selCol = isSelected() && listBox()->colorGroup().highlightedText() != listBox()->colorGroup().text();
+	QColor sc = selCol ? listBox()->colorGroup().highlightedText() : getColor( type );
+	QTextFormat *f1 = parag->formatCollection()->format( listBox()->font(), sc );
+	QTextFormat *f3 = parag->formatCollection()->format( listBox()->font(), isSelected() ?
+							     listBox()->colorGroup().highlightedText() :
+							     listBox()->colorGroup().text() );
+	QFont f( listBox()->font() );
+	f.setBold( TRUE );
+	QTextFormat *f2 =
+	    parag->formatCollection()->format( f, isSelected() ? listBox()->colorGroup().highlightedText() :
+					       listBox()->colorGroup().text() );
+	parag->setFormat( 1, type.length() + 1, f1 );
+	parag->setFormat( type.length() + 2, prefix.length() + QListBoxItem::text().length(), f2 );
+	if ( !postfix.isEmpty() )
+	    parag->setFormat( type.length() + 2 + prefix.length() + QListBoxItem::text().length(),
+			      postfix.length(), f3 );
+	parag->setFormat( type.length() + 2 + prefix.length() + QListBoxItem::text().length() + postfix.length(),
+			  postfix2.length(), f3 );
+	f1->removeRef();
+	f2->removeRef();
+	f3->removeRef();
+	parag->format();
+    }
+}
+
+
+EditorCompletion::EditorCompletion( Editor *e )
+{
+    enabled = TRUE;
+    lastDoc = 0;
+    completionPopup = new QVBox( e->topLevelWidget(), 0, WType_Popup );
+    completionPopup->setFrameStyle( QFrame::Box | QFrame::Plain );
+    completionPopup->setLineWidth( 1 );
+    functionLabel = new ArgHintWidget( e->topLevelWidget(), "editor_function_lbl" );
+    functionLabel->hide();
+    completionListBox = new QListBox( completionPopup, "editor_completion_lb" );
+    completionListBox->setFrameStyle( QFrame::NoFrame );
+    completionListBox->installEventFilter( this );
+    completionListBox->setHScrollBarMode( QScrollView::AlwaysOn );
+    completionListBox->setVScrollBarMode( QScrollView::AlwaysOn );
+    completionListBox->setCornerWidget( new QSizeGrip( completionListBox, "editor_cornerwidget" ) );
+    completionPopup->installEventFilter( this );
+    functionLabel->installEventFilter( this );
+    completionPopup->setFocusProxy( completionListBox );
+    completionOffset = 0;
+    curEditor = e;
+    curEditor->installEventFilter( this );
+}
+
+EditorCompletion::~EditorCompletion()
+{
+    delete completionPopup;
+    delete functionLabel;
+}
+
+void EditorCompletion::addCompletionEntry( const QString &s, QTextDocument *, bool strict )
+{
+    QChar key( s[ 0 ] );
+    QMap<QChar, QStringList>::Iterator it = completionMap.find( key );
+    if ( it == completionMap.end() ) {
+	completionMap.insert( key, QStringList( s ) );
+    } else {
+	if ( strict ) {
+	    QStringList::Iterator sit;
+	    for ( sit = (*it).begin(); sit != (*it).end(); ) {
+		QStringList::Iterator it2 = sit;
+		++sit;
+		if ( (*it2).length() > s.length() && (*it2).left( s.length() ) == s ) {
+		    if ( (*it2)[ (int)s.length() ].isLetter() && (*it2)[ (int)s.length() ].upper() != (*it2)[ (int)s.length() ] )
+			return;
+		} else if ( s.length() > (*it2).length() && s.left( (*it2).length() ) == *it2 ) {
+		    if ( s[ (int)(*it2).length() ].isLetter() && s[ (int)(*it2).length() ].upper() != s[ (int)(*it2).length() ] )
+			(*it).remove( it2 );
+		}
+	    }
+	}
+	(*it).append( s );
+    }
+}
+
+QValueList<CompletionEntry> EditorCompletion::completionList( const QString &s, QTextDocument *doc ) const
+{
+    if ( doc )
+	( (EditorCompletion*)this )->updateCompletionMap( doc );
+
+    QChar key( s[ 0 ] );
+    QMap<QChar, QStringList>::ConstIterator it = completionMap.find( key );
+    if ( it == completionMap.end() )
+	return QValueList<CompletionEntry>();
+    QStringList::ConstIterator it2 = (*it).begin();
+    QValueList<CompletionEntry> lst;
+    int len = s.length();
+    for ( ; it2 != (*it).end(); ++it2 ) {
+	CompletionEntry c;
+	c.type = "";
+	c.text = *it2;
+	c.postfix = "";
+	c.prefix = "";
+	c.postfix2 = "";
+	if ( (int)(*it2).length() > len && (*it2).left( len ) == s && lst.find( c ) == lst.end() )
+	    lst << c;
+    }
+
+    return lst;
+}
+
+void EditorCompletion::updateCompletionMap( QTextDocument *doc )
+{
+    bool strict = TRUE;
+    if ( doc != lastDoc )
+	strict = FALSE;
+    lastDoc = doc;
+    QTextParagraph *s = doc->firstParagraph();
+    if ( !s->extraData() )
+	s->setExtraData( new ParagData );
+    while ( s ) {
+	if ( s->length() == ( (ParagData*)s->extraData() )->lastLengthForCompletion ) {
+	    s = s->next();
+	    continue;
+	}
+
+	QChar c;
+	QString buffer;
+	for ( int i = 0; i < s->length(); ++i ) {
+	    c = s->at( i )->c;
+	    if ( c.isLetter() || c.isNumber() || c == '_' || c == '#' ) {
+		buffer += c;
+	    } else {
+		addCompletionEntry( buffer, doc, strict );
+		buffer = QString::null;
+	    }
+	}
+	if ( !buffer.isEmpty() )
+	    addCompletionEntry( buffer, doc, strict );
+
+	( (ParagData*)s->extraData() )->lastLengthForCompletion = s->length();
+	s = s->next();
+    }
+}
+
+bool EditorCompletion::doCompletion()
+{
+    searchString = "";
+    if ( !curEditor )
+	return FALSE;
+
+    QTextCursor *cursor = curEditor->textCursor();
+    QTextDocument *doc = curEditor->document();
+
+    if ( cursor->index() > 0 && cursor->paragraph()->at( cursor->index() - 1 )->c == '.' &&
+	 ( cursor->index() == 1 || cursor->paragraph()->at( cursor->index() - 2 )->c != '.' ) )
+	return doObjectCompletion();
+
+    int idx = cursor->index();
+    if ( idx == 0 )
+	return FALSE;
+    QChar c = cursor->paragraph()->at( idx - 1 )->c;
+    if ( !c.isLetter() && !c.isNumber() && c != '_' && c != '#' )
+	return FALSE;
+
+    QString s;
+    idx--;
+    completionOffset = 1;
+    for (;;) {
+	s.prepend( QString( cursor->paragraph()->at( idx )->c ) );
+	idx--;
+	if ( idx < 0 )
+	    break;
+	if ( !cursor->paragraph()->at( idx )->c.isLetter() &&
+	     !cursor->paragraph()->at( idx )->c.isNumber() &&
+	     cursor->paragraph()->at( idx )->c != '_' &&
+	     cursor->paragraph()->at( idx )->c != '#' )
+	    break;
+	completionOffset++;
+    }
+
+    searchString = s;
+
+    QValueList<CompletionEntry> lst( completionList( s, doc ) );
+    if ( lst.count() > 1 ) {
+	QTextStringChar *chr = cursor->paragraph()->at( cursor->index() );
+	int h = cursor->paragraph()->lineHeightOfChar( cursor->index() );
+	int x = cursor->paragraph()->rect().x() + chr->x;
+	int y, dummy;
+	cursor->paragraph()->lineHeightOfChar( cursor->index(), &dummy, &y );
+	y += cursor->paragraph()->rect().y();
+	completionListBox->clear();
+	for ( QValueList<CompletionEntry>::ConstIterator it = lst.begin(); it != lst.end(); ++it )
+	    (void)new CompletionItem( completionListBox, (*it).text, (*it).type, (*it).postfix,
+				      (*it).prefix, (*it).postfix2 );
+	cList = lst;
+	completionPopup->resize( completionListBox->sizeHint() +
+				 QSize( completionListBox->verticalScrollBar()->width() + 4,
+					completionListBox->horizontalScrollBar()->height() + 4 ) );
+	completionListBox->setCurrentItem( 0 );
+	completionListBox->setFocus();
+	if ( curEditor->mapToGlobal( QPoint( 0, y ) ).y() + h + completionPopup->height() < QApplication::desktop()->height() )
+	    completionPopup->move( curEditor->mapToGlobal( curEditor->
+							   contentsToViewport( QPoint( x, y + h ) ) ) );
+	else
+	    completionPopup->move( curEditor->mapToGlobal( curEditor->
+							   contentsToViewport( QPoint( x, y - completionPopup->height() ) ) ) );
+	completionPopup->show();
+    } else if ( lst.count() == 1 ) {
+	curEditor->insert( lst.first().text.mid( completionOffset, 0xFFFFFF ),
+ 			   (uint) ( QTextEdit::RedoIndentation |
+				    QTextEdit::CheckNewLines |
+				    QTextEdit::RemoveSelected ) );
+    } else {
+	return FALSE;
+    }
+
+    return TRUE;
+}
+
+bool EditorCompletion::eventFilter( QObject *o, QEvent *e )
+{
+    if ( !enabled )
+	return FALSE;
+    if ( e->type() == QEvent::KeyPress && ::qt_cast<Editor*>(o)) {
+	curEditor = (Editor*)o;
+	QKeyEvent *ke = (QKeyEvent*)e;
+	if ( ke->key() == Key_Tab ) {
+	    QString s = curEditor->textCursor()->paragraph()->string()->toString().
+			left( curEditor->textCursor()->index() );
+	    if ( curEditor->document()->hasSelection( QTextDocument::Standard ) ||
+		 s.simplifyWhiteSpace().isEmpty() ) {
+		if ( curEditor->document()->indent() ) {
+		    curEditor->indent();
+		    int i = 0;
+		    for ( ; i < curEditor->textCursor()->paragraph()->length() - 1; ++i ) {
+			if ( curEditor->textCursor()->paragraph()->at( i )->c != ' ' &&
+			     curEditor->textCursor()->paragraph()->at( i )->c != '\t' )
+			    break;
+		    }
+		    curEditor->drawCursor( FALSE );
+		    curEditor->textCursor()->setIndex( i );
+		    curEditor->drawCursor( TRUE );
+		} else {
+		    curEditor->insert( "\t" );
+		}
+		return TRUE;
+	    }
+	}
+
+	if ( functionLabel->isVisible() ) {
+	    if ( ke->key() == Key_Up && ( ke->state() & ControlButton ) == ControlButton ) {
+		functionLabel->gotoPrev();
+		return TRUE;
+	    } else if ( ke->key() == Key_Down && ( ke->state() & ControlButton ) == ControlButton ) {
+		functionLabel->gotoNext();
+		return TRUE;
+	    }
+	}
+
+	if ( ke->text().length() && !( ke->state() & AltButton ) &&
+	     ( !ke->ascii() || ke->ascii() >= 32 ) ||
+	     ( ke->text() == "\t" && !( ke->state() & ControlButton ) ) ) {
+	    if ( ke->key() == Key_Tab ) {
+		if ( curEditor->textCursor()->index() == 0 &&
+		     curEditor->textCursor()->paragraph()->isListItem() )
+		    return FALSE;
+		if ( doCompletion() )
+			return TRUE;
+	    } else if ( ke->key() == Key_Period &&
+			( curEditor->textCursor()->index() == 0 ||
+			  curEditor->textCursor()->paragraph()->at( curEditor->textCursor()->index() - 1 )->c != '.' )
+			||
+			ke->key() == Key_Greater &&
+			curEditor->textCursor()->index() > 0 &&
+			curEditor->textCursor()->paragraph()->at( curEditor->textCursor()->index() - 1 )->c == '-' ) {
+		doObjectCompletion();
+	    } else {
+		if ( !doArgumentHint( ke->text() == "(" ) )
+		    functionLabel->hide();
+	    }
+	}
+    } else if ( o == completionPopup || o == completionListBox ||
+	 o == completionListBox->viewport() ) {
+	if ( e->type() == QEvent::KeyPress ) {
+	    QKeyEvent *ke = (QKeyEvent*)e;
+	    if ( ke->key() == Key_Enter || ke->key() == Key_Return || ke->key() == Key_Tab ) {
+		if ( ke->key() == Key_Tab && completionListBox->count() > 1 &&
+		     completionListBox->currentItem() < (int)completionListBox->count() - 1 ) {
+		    completionListBox->setCurrentItem( completionListBox->currentItem() + 1 );
+		    return TRUE;
+		}
+		completeCompletion();
+		return TRUE;
+	    } else if ( ke->key() == Key_Left || ke->key() == Key_Right ||
+			ke->key() == Key_Up || ke->key() == Key_Down ||
+			ke->key() == Key_Home || ke->key() == Key_End ||
+			ke->key() == Key_Prior || ke->key() == Key_Next ) {
+		return FALSE;
+	    } else if ( ke->key() != Key_Shift && ke->key() != Key_Control &&
+			ke->key() != Key_Alt ) {
+		int l = searchString.length();
+		if ( ke->key() == Key_Backspace ) {
+		    searchString.remove( searchString.length() - 1, 1 );
+		} else {
+		    searchString += ke->text();
+		    l = 1;
+		}
+		if ( !l || !continueComplete() ) {
+		    completionPopup->close();
+		    curEditor->setFocus();
+		}
+		QApplication::sendEvent( curEditor, e );
+		return TRUE;
+	    }
+	} else if ( e->type() == QEvent::MouseButtonDblClick ) {
+	    completeCompletion();
+	    return TRUE;
+	}
+    }
+    if ( o == functionLabel || ::qt_cast<Editor*>(o) && functionLabel->isVisible() ) {
+	if ( e->type() == QEvent::KeyPress ) {
+	    QKeyEvent *ke = (QKeyEvent*)e;
+	    if ( ke->key() == Key_Escape ) {
+		functionLabel->hide();
+	    } else {
+		if ( !doArgumentHint( ke->text() == "(" ) )
+		    functionLabel->hide();
+		if ( o == functionLabel ) {
+		    QApplication::sendEvent( curEditor, e );
+		    return TRUE;
+		}
+	    }
+	}
+    }
+    return FALSE;
+}
+
+void EditorCompletion::completeCompletion()
+{
+    int idx = curEditor->textCursor()->index();
+    QString s = completionListBox->currentText().mid( searchString.length() );
+    curEditor->insert( s, (uint) ( QTextEdit::RedoIndentation |
+				   QTextEdit::CheckNewLines |
+				   QTextEdit::RemoveSelected ) );
+    int i = s.find( '(' );
+    completionPopup->close();
+    curEditor->setFocus();
+    if ( i != -1 && i < (int)s.length() ) {
+	curEditor->setCursorPosition( curEditor->textCursor()->paragraph()->paragId(), idx + i + 1 );
+	doArgumentHint( FALSE );
+    }
+}
+
+void EditorCompletion::setCurrentEdior( Editor *e )
+{
+    curEditor = e;
+    curEditor->installEventFilter( this );
+}
+
+void EditorCompletion::addEditor( Editor *e )
+{
+    e->installEventFilter( this );
+}
+
+bool EditorCompletion::doObjectCompletion()
+{
+    searchString = "";
+    QString object;
+    int i = curEditor->textCursor()->index();
+    i--;
+    QTextParagraph *p = curEditor->textCursor()->paragraph();
+    for (;;) {
+	if ( i < 0 )
+	    break;
+	if ( p->at( i )->c == ' ' || p->at( i )->c == '\t' )
+	    break;
+	object.prepend( p->at( i )->c );
+	i--;
+    }
+
+    if ( object[ (int)object.length() - 1 ] == '-' )
+	object.remove( object.length() - 1, 1 );
+
+    if ( object.isEmpty() )
+	return FALSE;
+    return doObjectCompletion( object );
+}
+
+bool EditorCompletion::doObjectCompletion( const QString & )
+{
+    return FALSE;
+}
+
+static void strip( QString &txt )
+{
+    int i = txt.find( "(" );
+    if ( i == -1 )
+	return;
+    txt = txt.left( i );
+}
+
+bool EditorCompletion::continueComplete()
+{
+    if ( searchString.isEmpty() ) {
+	completionListBox->clear();
+	for ( QValueList<CompletionEntry>::ConstIterator it = cList.begin(); it != cList.end(); ++it )
+	    (void)new CompletionItem( completionListBox, (*it).text, (*it).type,
+				      (*it).postfix, (*it).prefix, (*it).postfix2 );
+	completionListBox->setCurrentItem( 0 );
+	completionListBox->setSelected( completionListBox->currentItem(), TRUE );
+	return TRUE;
+    }
+
+    QListBoxItem *i = completionListBox->findItem( searchString );
+    if ( !i )
+	return FALSE;
+
+    QString txt1 = i->text();
+    QString txt2 = searchString;
+    strip( txt1 );
+    strip( txt2 );
+    if ( txt1 == txt2 && !i->next() )
+	return FALSE;
+
+    QValueList<CompletionEntry> res;
+    for ( QValueList<CompletionEntry>::ConstIterator it = cList.begin(); it != cList.end(); ++it ) {
+	if ( (*it).text.left( searchString.length() ) == searchString )
+	    res << *it;
+    }
+    if ( res.isEmpty() )
+	return FALSE;
+    completionListBox->clear();
+    for ( QValueList<CompletionEntry>::ConstIterator it2 = res.begin(); it2 != res.end(); ++it2 )
+	(void)new CompletionItem( completionListBox, (*it2).text, (*it2).type,
+				  (*it2).postfix, (*it2).prefix, (*it2).postfix2 );
+    completionListBox->setCurrentItem( 0 );
+    completionListBox->setSelected( completionListBox->currentItem(), TRUE );
+    return TRUE;
+}
+
+bool EditorCompletion::doArgumentHint( bool useIndex )
+{
+    QTextCursor *cursor = curEditor->textCursor();
+    int i = cursor->index() ;
+    if ( !useIndex ) {
+	bool foundParen = FALSE;
+	int closeParens = 0;
+	while ( i >= 0 ) {
+	    if ( cursor->paragraph()->at( i )->c == ')' && i != cursor->index() )
+		closeParens++;
+	    if ( cursor->paragraph()->at( i )->c == '(' ) {
+		closeParens--;
+		if ( closeParens == -1 ) {
+		    foundParen = TRUE;
+		    break;
+		}
+	    }
+	    --i;
+	}
+
+	if ( !foundParen )
+	    return FALSE;
+    }
+    int j = i - 1;
+    bool foundSpace = FALSE;
+    bool foundNonSpace = FALSE;
+    while ( j >= 0 ) {
+	if ( foundNonSpace && ( cursor->paragraph()->at( j )->c == ' ' || cursor->paragraph()->at( j )->c == ',' ) ) {
+	    foundSpace = TRUE;
+	    break;
+	}
+	if ( !foundNonSpace && ( cursor->paragraph()->at( j )->c != ' ' || cursor->paragraph()->at( j )->c != ',' ) )
+	    foundNonSpace = TRUE;
+	--j;
+    }
+    if ( foundSpace )
+	++j;
+    j = QMAX( j, 0 );
+    QString function( cursor->paragraph()->string()->toString().mid( j, i - j + 1 ) );
+    QString part = cursor->paragraph()->string()->toString().mid( j, cursor->index() - j + 1 );
+    function = function.simplifyWhiteSpace();
+    for (;;) {
+	if ( function[ (int)function.length() - 1 ] == '(' ) {
+	    function.remove( function.length() - 1, 1 );
+	    function = function.simplifyWhiteSpace();
+	} else if ( function[ (int)function.length() - 1 ] == ')' ) {
+	    function.remove( function.length() - 1, 1 );
+	    function = function.simplifyWhiteSpace();
+	} else {
+	    break;
+	}
+    }
+
+    QChar sep;
+    QString pre, post;
+    QValueList<QStringList> argl = functionParameters( function, sep, pre, post );
+    if ( argl.isEmpty() )
+	return FALSE;
+
+    QString label;
+    int w = 0;
+    int num = 0;
+    if ( !functionLabel->isVisible() )
+	functionLabel->setNumFunctions( (int)argl.count() );
+    for ( QValueList<QStringList>::Iterator vit = argl.begin(); vit != argl.end(); ++vit, ++num ) {
+	QStringList args = *vit;
+	int argNum = 0;
+	int inParen = 0;
+	for ( int k = 0; k < (int)part.length(); ++k ) {
+	    if ( part[ k ] == sep && inParen < 2 )
+		argNum++;
+	    if ( part[ k ] == '(' )
+		inParen++;
+	    if ( part[ k ] == ')' )
+		inParen--;
+	}
+
+	QString func = function;
+	int pnt = -1;
+	pnt = func.findRev( '.' );
+	if ( pnt == -1 )
+	    func.findRev( '>' );
+	if ( pnt != -1 )
+	    func = func.mid( pnt + 1 );
+
+	QString s = func + "( ";
+	if ( s[ 0 ] == '\"' )
+	    s.remove( (uint)0, 1 );
+	i = 0;
+	for ( QStringList::Iterator it = args.begin(); it != args.end(); ++it, ++i ) {
+	    if ( i == argNum )
+		s += "<b>" + *it + "</b>";
+	    else
+		s += *it;
+	    if ( i < (int)args.count() - 1 )
+		s += ", ";
+	    else
+		s += " ";
+	}
+	s += ")";
+	s.prepend( pre );
+	s.append( post );
+	label += "<p>" + s + "</p>";
+	functionLabel->setFunctionText( num, s );
+	w = QMAX( w, functionLabel->fontMetrics().width( s ) + 10 );
+    }
+    w += 16;
+    if ( label.isEmpty() )
+	return FALSE;
+    if ( functionLabel->isVisible() ) {
+	functionLabel->resize( w + 50, QMAX( functionLabel->fontMetrics().height(), 16 ) );
+    } else {
+	QTextStringChar *chr = cursor->paragraph()->at( cursor->index() );
+	int h = cursor->paragraph()->lineHeightOfChar( cursor->index() );
+	int x = cursor->paragraph()->rect().x() + chr->x;
+	int y, dummy;
+	cursor->paragraph()->lineHeightOfChar( cursor->index(), &dummy, &y );
+	y += cursor->paragraph()->rect().y();
+	functionLabel->resize( w + 50, QMAX( functionLabel->fontMetrics().height(), 16 ) );
+	functionLabel->move( curEditor->mapToGlobal( curEditor->contentsToViewport( QPoint( x, y + h ) ) ) );
+	if ( functionLabel->x() + functionLabel->width() > QApplication::desktop()->width() )
+	    functionLabel->move( QMAX( 0, QApplication::desktop()->width() - functionLabel->width() ),
+				 functionLabel->y() );
+	functionLabel->show();
+	curEditor->setFocus();
+    }
+    QTimer::singleShot( 0, functionLabel, SLOT( relayout() ) );
+
+    return TRUE;
+}
+
+QValueList<QStringList> EditorCompletion::functionParameters( const QString &, QChar &, QString &, QString & )
+{
+    return QValueList<QStringList>();
+}
+
+void EditorCompletion::setContext( QObject * )
+{
+}
+
+void EditorCompletion::showCompletion( const QValueList<CompletionEntry> &lst )
+{
+    QTextCursor *cursor = curEditor->textCursor();
+    QTextStringChar *chr = cursor->paragraph()->at( cursor->index() );
+    int h = cursor->paragraph()->lineHeightOfChar( cursor->index() );
+    int x = cursor->paragraph()->rect().x() + chr->x;
+    int y, dummy;
+    cursor->paragraph()->lineHeightOfChar( cursor->index(), &dummy, &y );
+    y += cursor->paragraph()->rect().y();
+    completionListBox->clear();
+    for ( QValueList<CompletionEntry>::ConstIterator it = lst.begin(); it != lst.end(); ++it )
+	(void)new CompletionItem( completionListBox, (*it).text, (*it).type,
+				  (*it).postfix, (*it).prefix, (*it).postfix2 );
+    cList = lst;
+    completionPopup->resize( completionListBox->sizeHint() +
+			     QSize( completionListBox->verticalScrollBar()->width() + 4,
+				    completionListBox->horizontalScrollBar()->height() + 4 ) );
+    completionListBox->setCurrentItem( 0 );
+    completionListBox->setFocus();
+    if ( curEditor->mapToGlobal( QPoint( 0, y ) ).y() + h + completionPopup->height() < QApplication::desktop()->height() )
+	completionPopup->move( curEditor->mapToGlobal( curEditor->
+						       contentsToViewport( QPoint( x, y + h ) ) ) );
+    else
+	completionPopup->move( curEditor->mapToGlobal( curEditor->
+						       contentsToViewport( QPoint( x, y - completionPopup->height() ) ) ) );
+
+    completionPopup->show();
+}