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277 lines
8.8 KiB
277 lines
8.8 KiB
14 years ago
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/**********************************************************************
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** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of Qt Designer.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "viewmanager.h"
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#include "editor.h"
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#include "markerwidget.h"
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#include <qlayout.h>
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#include <private/qrichtext_p.h>
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#include "paragdata.h"
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#include <qobjectlist.h>
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#include <qlabel.h>
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#include <qtimer.h>
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ViewManager::ViewManager( QWidget *parent, const char *name )
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: QWidget( parent, name ), curView( 0 )
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{
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QHBoxLayout *l = new QHBoxLayout( this );
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markerWidget = new MarkerWidget( this, "editor_markerwidget" );
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connect( markerWidget, SIGNAL( markersChanged() ),
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this, SIGNAL( markersChanged() ) );
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connect( markerWidget, SIGNAL( collapseFunction( QTextParagraph * ) ),
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this, SIGNAL( collapseFunction( QTextParagraph * ) ) );
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connect( markerWidget, SIGNAL( expandFunction( QTextParagraph * ) ),
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this, SIGNAL( expandFunction( QTextParagraph * ) ) );
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connect( markerWidget, SIGNAL( collapse( bool ) ),
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this, SIGNAL( collapse( bool ) ) );
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connect( markerWidget, SIGNAL( expand( bool ) ),
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this, SIGNAL( expand( bool ) ) );
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connect( markerWidget, SIGNAL( editBreakPoints() ),
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this, SIGNAL( editBreakPoints() ) );
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connect( markerWidget, SIGNAL( isBreakpointPossible( bool&, const QString &, int ) ),
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this, SIGNAL( isBreakpointPossible( bool&, const QString &, int ) ) );
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connect( markerWidget, SIGNAL( showMessage( const QString & ) ),
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this, SLOT( showMessage( const QString & ) ) );
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messageTimer = new QTimer( this );
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connect( messageTimer, SIGNAL( timeout() ), this, SLOT( clearStatusBar() ) );
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markerWidget->setFixedWidth( fontMetrics().width( "0000" ) + 20 );
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l->addWidget( markerWidget );
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layout = new QVBoxLayout( l );
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}
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void ViewManager::addView( QWidget *view )
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{
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layout->addWidget( view );
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curView = view;
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connect( ( (Editor*)curView )->verticalScrollBar(), SIGNAL( valueChanged( int ) ),
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markerWidget, SLOT( doRepaint() ) );
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connect( (Editor*)curView, SIGNAL( textChanged() ),
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markerWidget, SLOT( doRepaint() ) );
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connect( (Editor*)curView, SIGNAL( clearErrorMarker() ),
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this, SLOT( clearErrorMarker() ) );
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posLabel = new QLabel( this, "editor_poslabel" );
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posLabel->setAlignment( Qt::AlignVCenter | Qt::AlignRight );
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posLabel->setText( " Line: 1 Col: 1" );
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posLabel->setFrameStyle( QFrame::Sunken | QFrame::Panel );
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posLabel->setLineWidth( 1 );
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posLabel->setFixedHeight( posLabel->fontMetrics().height() );
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layout->addWidget( posLabel );
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connect( curView, SIGNAL( cursorPositionChanged( int, int ) ),
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this, SLOT( cursorPositionChanged( int, int ) ) );
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}
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QWidget *ViewManager::currentView() const
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{
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return curView;
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}
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void ViewManager::childEvent( QChildEvent *e )
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{
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if ( e->type() == QEvent::ChildInserted && ::qt_cast<Editor*>(e->child()) )
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addView( (QWidget*)e->child() );
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QWidget::childEvent( e );
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}
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void ViewManager::setError( int line )
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{
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QTextParagraph *p = ( (Editor*)curView )->document()->paragAt( line );
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if ( p ) {
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( (Editor*)curView )->setErrorSelection( line );
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( (Editor*)curView )->setCursorPosition( line, 0 );
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( (Editor*)curView )->viewport()->setFocus();
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( (Editor*)curView )->makeFunctionVisible( p );
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ParagData *paragData = (ParagData*)p->extraData();
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if ( !paragData )
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paragData = new ParagData;
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paragData->marker = ParagData::Error;
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p->setExtraData( paragData );
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markerWidget->doRepaint();
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}
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}
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void ViewManager::setStep( int line )
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{
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QTextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();
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while ( p ) {
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if ( p->extraData() )
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( (ParagData*)p->extraData() )->step = FALSE;
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p = p->next();
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}
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p = ( (Editor*)curView )->document()->paragAt( line );
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if ( p ) {
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( (Editor*)curView )->setStepSelection( line );
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( (Editor*)curView )->setCursorPosition( line, 0 );
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( (Editor*)curView )->viewport()->setFocus();
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( (Editor*)curView )->makeFunctionVisible( p );
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ParagData *paragData = (ParagData*)p->extraData();
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if ( !paragData )
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paragData = new ParagData;
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paragData->step = TRUE;
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p->setExtraData( paragData );
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markerWidget->doRepaint();
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}
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}
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void ViewManager::clearStep()
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{
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( (Editor*)curView )->clearStepSelection();
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QTextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();
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while ( p ) {
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if ( p->extraData() )
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( (ParagData*)p->extraData() )->step = FALSE;
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p = p->next();
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}
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markerWidget->doRepaint();
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}
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void ViewManager::setStackFrame( int line )
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{
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QTextParagraph *p = ( (Editor*)curView )->document()->paragAt( line );
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if ( p ) {
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( (Editor*)curView )->sync();
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( (Editor*)curView )->setCursorPosition( line, 0 );
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( (Editor*)curView )->ensureCursorVisible();
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( (Editor*)curView )->viewport()->setFocus();
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( (Editor*)curView )->makeFunctionVisible( p );
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ParagData *paragData = (ParagData*)p->extraData();
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if ( !paragData )
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paragData = new ParagData;
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paragData->stackFrame = TRUE;
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p->setExtraData( paragData );
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markerWidget->doRepaint();
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}
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}
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void ViewManager::clearStackFrame()
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{
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QTextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();
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while ( p ) {
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if ( p->extraData() ) {
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( (ParagData*)p->extraData() )->stackFrame = FALSE;
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if ( ( (ParagData*)p->extraData() )->marker == ParagData::Error )
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( (ParagData*)p->extraData() )->marker = ParagData::NoMarker;
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}
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p = p->next();
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}
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markerWidget->doRepaint();
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}
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void ViewManager::resizeEvent( QResizeEvent *e )
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{
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QWidget::resizeEvent( e );
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markerWidget->doRepaint();
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}
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void ViewManager::clearErrorMarker()
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{
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QTextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();
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while ( p ) {
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if ( p->extraData() )
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( (ParagData*)p->extraData() )->marker = ParagData::NoMarker;
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p = p->next();
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}
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markerWidget->doRepaint();
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}
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void ViewManager::setBreakPoints( const QValueList<uint> &l )
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{
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QTextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();
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int i = 0;
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while ( p ) {
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if ( l.find( i ) != l.end() ) {
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if ( !p->extraData() ) {
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ParagData *data = new ParagData;
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p->setExtraData( data );
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}
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ParagData *data = (ParagData*)p->extraData();
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data->marker = ParagData::Breakpoint;
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} else if ( p->extraData() ) {
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ParagData *data = (ParagData*)p->extraData();
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data->marker = ParagData::NoMarker;
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}
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p = p->next();
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++i;
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}
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markerWidget->doRepaint();
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}
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QValueList<uint> ViewManager::breakPoints() const
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{
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QValueList<uint> l;
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int i = 0;
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QTextParagraph *p = ( (Editor*)curView )->document()->firstParagraph();
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while ( p ) {
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if ( p->extraData() &&
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( (ParagData*)p->extraData() )->marker == ParagData::Breakpoint )
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l << i;
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p = p->next();
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++i;
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}
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return l;
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}
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void ViewManager::showMarkerWidget( bool b )
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{
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if ( b )
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markerWidget->show();
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else
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markerWidget->hide();
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}
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void ViewManager::emitMarkersChanged()
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{
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emit markersChanged();
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}
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void ViewManager::cursorPositionChanged( int row, int col )
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{
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posLabel->setText( QString( " Line: %1 Col: %2" ).arg( row + 1 ).arg( col + 1 ) );
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}
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void ViewManager::showMessage( const QString &msg )
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{
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int row;
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int col;
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( (QTextEdit*)currentView() )->getCursorPosition( &row, &col );
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posLabel->setText( msg );
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messageTimer->start( 1000, TRUE );
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}
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void ViewManager::clearStatusBar()
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{
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int row;
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int col;
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( (QTextEdit*)currentView() )->getCursorPosition( &row, &col );
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posLabel->setText( QString( " Line: %1 Col: %2" ).arg( row + 1 ).arg( col + 1 ) );
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}
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