Add Qt3 development HEAD version

1 files changed, 276 insertions, 0 deletions

diff --git a/tools/designer/editor/viewmanager.cpp b/tools/designer/editor/viewmanager.cpp
new file mode 100644
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+++ b/tools/designer/editor/viewmanager.cpp
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+ /**********************************************************************
+** 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 [email protected].
+**
+** 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 "viewmanager.h"
+#include "editor.h"
+#include "markerwidget.h"
+#include <qlayout.h>
+#include <private/qrichtext_p.h>
+#include "paragdata.h"
+#include <qobjectlist.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( QTextParagraph * ) ),
+	     this, SIGNAL( collapseFunction( QTextParagraph * ) ) );
+    connect( markerWidget, SIGNAL( expandFunction( QTextParagraph * ) ),
+	     this, SIGNAL( expandFunction( QTextParagraph * ) ) );
+    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( "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( " Line: 1 Col: 1" );
+    posLabel->setFrameStyle( QFrame::Sunken | QFrame::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 && ::qt_cast<Editor*>(e->child()) )
+	addView( (QWidget*)e->child() );
+    QWidget::childEvent( e );
+}
+
+void ViewManager::setError( int line )
+{
+    QTextParagraph *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 )
+{
+    QTextParagraph *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();
+    QTextParagraph *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 )
+{
+    QTextParagraph *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()
+{
+    QTextParagraph *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()
+{
+    QTextParagraph *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 QValueList<uint> &l )
+{
+    QTextParagraph *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();
+}
+
+QValueList<uint> ViewManager::breakPoints() const
+{
+    QValueList<uint> l;
+    int i = 0;
+    QTextParagraph *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;
+    ( (QTextEdit*)currentView() )->getCursorPosition( &row, &col );
+    posLabel->setText( msg );
+    messageTimer->start( 1000, TRUE );
+}
+
+void ViewManager::clearStatusBar()
+{
+    int row;
+    int col;
+    ( (QTextEdit*)currentView() )->getCursorPosition( &row, &col );
+    posLabel->setText( QString( " Line: %1 Col: %2" ).arg( row + 1 ).arg( col + 1 ) );
+}