/******************************************************************************** Copyright (C) 1992-$THISYEAR$ Trolltech AS. All rights reserved.**** This file is part of the $MODULE$ of the Qt Toolkit.**** $LICENSE$**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#include "viewmanager.h"#include "editor.h"#include "markerwidget.h"#include <qlayout.h>//Added by qt3to4:#include <QVBoxLayout>#include <Q3Frame>#include <Q3ValueList>#include <QHBoxLayout>#include <QResizeEvent>#include <QEvent>#include <QChildEvent>#include "q3richtext_p.h"#include "paragdata.h"#include <qobject.h>#include <qlabel.h>#include <qtimer.h>ViewManager::ViewManager( QWidget *parent, const char *name )    : QWidget( parent, name ), curView( 0 ){    QHBoxLayout *l = new QHBoxLayout( this );    markerWidget = new MarkerWidget( this, "editor_markerwidget" );    connect( markerWidget, SIGNAL( markersChanged() ),	     this, SIGNAL( markersChanged() ) );    connect( markerWidget, SIGNAL( collapseFunction( Q3TextParagraph * ) ),	     this, SIGNAL( collapseFunction( Q3TextParagraph * ) ) );    connect( markerWidget, SIGNAL( expandFunction( Q3TextParagraph * ) ),	     this, SIGNAL( expandFunction( Q3TextParagraph * ) ) );    connect( markerWidget, SIGNAL( collapse( bool ) ),	     this, SIGNAL( collapse( bool ) ) );    connect( markerWidget, SIGNAL( expand( bool ) ),	     this, SIGNAL( expand( bool ) ) );    connect( markerWidget, SIGNAL( editBreakPoints() ),	     this, SIGNAL( editBreakPoints() ) );    connect( markerWidget, SIGNAL( isBreakpointPossible( bool&, const QString &, int ) ),	     this, SIGNAL( isBreakpointPossible( bool&, const QString &, int ) ) );    connect( markerWidget, SIGNAL( showMessage( const QString & ) ),	     this, SLOT( showMessage( const QString & ) ) );    messageTimer = new QTimer( this );    connect( messageTimer, SIGNAL( timeout() ), this, SLOT( clearStatusBar() ) );    markerWidget->setFixedWidth( fontMetrics().width( QString::fromLatin1("0000") ) + 20 );    l->addWidget( markerWidget );    layout = new QVBoxLayout( l );}void ViewManager::addView( QWidget *view ){    layout->addWidget( view );    curView = view;    connect( ( (Editor*)curView )->verticalScrollBar(), SIGNAL( valueChanged( int ) ),	     markerWidget, SLOT( doRepaint() ) );    connect( (Editor*)curView, SIGNAL( textChanged() ),	     markerWidget, SLOT( doRepaint() ) );    connect( (Editor*)curView, SIGNAL( clearErrorMarker() ),	     this, SLOT( clearErrorMarker() ) );    posLabel = new QLabel( this, "editor_poslabel" );    posLabel->setAlignment( Qt::AlignVCenter | Qt::AlignRight );    posLabel->setText( QString::fromLatin1(" Line: 1 Col: 1") );    posLabel->setFrameStyle( Q3Frame::Sunken | Q3Frame::Panel );    posLabel->setLineWidth( 1 );    posLabel->setFixedHeight( posLabel->fontMetrics().height() );    layout->addWidget( posLabel );    connect( curView, SIGNAL( cursorPositionChanged( int, int ) ),	     this, SLOT( cursorPositionChanged( int, int ) ) );}QWidget *ViewManager::currentView() const{    return curView;}void ViewManager::childEvent( QChildEvent *e ){    if ( e->type() == QEvent::ChildInserted && qobject_cast<Editor*>(e->child()))        addView((QWidget*)e->child());    QWidget::childEvent( e );}void ViewManager::setError( int line ){    Q3TextParagraph *p = ( (Editor*)curView )->document()->paragAt( line );    if ( p ) {	( (Editor*)curView )->setErrorSelection( line );	( (Editor*)curView )->setCursorPosition( line, 0 );	( (Editor*)curView )->viewport()->setFocus();	( (Editor*)curView )->makeFunctionVisible( p );	ParagData *paragData = (ParagData*)p->extraData();	if ( !paragData )	    paragData = new ParagData;	paragData->marker = ParagData::Error;	p->setExtraData( paragData );	markerWidget->doRepaint();    }}void ViewManager::setStep( int line ){    Q3TextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();    while ( p ) {	if ( p->extraData() )	    ( (ParagData*)p->extraData() )->step = false;	p = p->next();    }    p = ( (Editor*)curView )->document()->paragAt( line );    if ( p ) {	( (Editor*)curView )->setStepSelection( line );	( (Editor*)curView )->setCursorPosition( line, 0 );	( (Editor*)curView )->viewport()->setFocus();	( (Editor*)curView )->makeFunctionVisible( p );	ParagData *paragData = (ParagData*)p->extraData();	if ( !paragData )	    paragData = new ParagData; 	paragData->step = true;	p->setExtraData( paragData );	markerWidget->doRepaint();    }}void ViewManager::clearStep(){    ( (Editor*)curView )->clearStepSelection();    Q3TextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();    while ( p ) {	if ( p->extraData() )	    ( (ParagData*)p->extraData() )->step = false;	p = p->next();    }    markerWidget->doRepaint();}void ViewManager::setStackFrame( int line ){    Q3TextParagraph *p = ( (Editor*)curView )->document()->paragAt( line );    if ( p ) {	( (Editor*)curView )->sync();	( (Editor*)curView )->setCursorPosition( line, 0 );	( (Editor*)curView )->ensureCursorVisible();	( (Editor*)curView )->viewport()->setFocus();	( (Editor*)curView )->makeFunctionVisible( p );	ParagData *paragData = (ParagData*)p->extraData();	if ( !paragData )	    paragData = new ParagData; 	paragData->stackFrame = true;	p->setExtraData( paragData );	markerWidget->doRepaint();    }}void ViewManager::clearStackFrame(){    Q3TextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();    while ( p ) {	if ( p->extraData() ) {	    ( (ParagData*)p->extraData() )->stackFrame = false;	    if ( ( (ParagData*)p->extraData() )->marker == ParagData::Error )		( (ParagData*)p->extraData() )->marker = ParagData::NoMarker;	}	p = p->next();    }    markerWidget->doRepaint();}void ViewManager::resizeEvent( QResizeEvent *e ){    QWidget::resizeEvent( e );    markerWidget->doRepaint();}void ViewManager::clearErrorMarker(){    Q3TextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();    while ( p ) {	if ( p->extraData() )	    ( (ParagData*)p->extraData() )->marker = ParagData::NoMarker;	p = p->next();    }    markerWidget->doRepaint();}void ViewManager::setBreakPoints( const Q3ValueList<uint> &l ){    Q3TextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();    int i = 0;    while ( p ) {	if ( l.find( i ) != l.end() ) {	    if ( !p->extraData() ) {		ParagData *data = new ParagData;		p->setExtraData( data );	    }	    ParagData *data = (ParagData*)p->extraData();	    data->marker = ParagData::Breakpoint;	} else if ( p->extraData() ) {	    ParagData *data = (ParagData*)p->extraData();	    data->marker = ParagData::NoMarker;	}	p = p->next();	++i;    }    markerWidget->doRepaint();}Q3ValueList<uint> ViewManager::breakPoints() const{    Q3ValueList<uint> l;    int i = 0;    Q3TextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();    while ( p ) {	if ( p->extraData() &&	     ( (ParagData*)p->extraData() )->marker == ParagData::Breakpoint )	    l << i;	p = p->next();	++i;    }    return l;}void ViewManager::showMarkerWidget( bool b ){    if ( b )	markerWidget->show();    else	markerWidget->hide();}void ViewManager::emitMarkersChanged(){    emit markersChanged();}void ViewManager::cursorPositionChanged( int row, int col ){    posLabel->setText( QString( " Line: %1 Col: %2" ).arg( row + 1 ).arg( col + 1 ) );}void ViewManager::showMessage( const QString &msg ){    int row;    int col;    ( (Q3TextEdit*)currentView() )->getCursorPosition( &row, &col );    posLabel->setText( msg );    messageTimer->start( 1000, true );}void ViewManager::clearStatusBar(){    int row;    int col;    ( (Q3TextEdit*)currentView() )->getCursorPosition( &row, &col );    posLabel->setText( QString( " Line: %1 Col: %2" ).arg( row + 1 ).arg( col + 1 ) );}