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773 lines
21 KiB
773 lines
21 KiB
//----------------------------------------------------------------------------
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// filename : tdemdichildview.cpp
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//----------------------------------------------------------------------------
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// Project : KDE MDI extension
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//
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// begin : 07/1999 by Szymon Stefanek as part of kvirc
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// (an IRC application)
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// changes : 09/1999 by Falk Brettschneider to create a
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// -06/2000 stand-alone Qt extension set of
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// classes and a Qt-based library
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// 2000-2003 maintained by the KDevelop project
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// patches : 02/2000 by Massimo Morin (mmorin@schedsys.com)
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// */2000 by Lars Beikirch (Lars.Beikirch@gmx.net)
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// 02/2001 by Eva Brucherseifer (eva@rt.e-technik.tu-darmstadt.de)
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// 01/2003 by Jens Zurheide (jens.zurheide@gmx.de)
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//
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// copyright : (C) 1999-2003 by Szymon Stefanek (stefanek@tin.it)
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// and
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// Falk Brettschneider
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// email : falkbr@kdevelop.org (Falk Brettschneider)
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//----------------------------------------------------------------------------
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//
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//----------------------------------------------------------------------------
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Library General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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//----------------------------------------------------------------------------
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#include "tdemdichildview.h"
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#include "tdemdichildview.moc"
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#include <tqdatetime.h>
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#include <tqobjectlist.h>
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#include "tdemdimainfrm.h"
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#include "tdemdichildfrm.h"
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#include "tdemdidefines.h"
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#include <kdebug.h>
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#include <tdelocale.h>
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#include <tqiconset.h>
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//============ KMdiChildView ============//
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KMdiChildView::KMdiChildView( const TQString& caption, TQWidget* parentWidget, const char* name, WFlags f )
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: TQWidget( parentWidget, name, f )
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, m_focusedChildWidget( 0L )
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, m_firstFocusableChildWidget( 0L )
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, m_lastFocusableChildWidget( 0L )
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, m_stateChanged( true )
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, m_bToolView( false )
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, m_bInterruptActivation( false )
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, m_bMainframesActivateViewIsPending( false )
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, m_bFocusInEventIsPending( false )
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, m_trackChanges( 0 )
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{
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setGeometry( 0, 0, 0, 0 ); // reset
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if ( caption != 0L )
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m_szCaption = caption;
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else
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m_szCaption = i18n( "Unnamed" );
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m_sTabCaption = m_szCaption;
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setFocusPolicy( TQWidget::ClickFocus );
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installEventFilter( this );
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// store the current time
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updateTimeStamp();
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}
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//============ KMdiChildView ============//
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KMdiChildView::KMdiChildView( TQWidget* parentWidget, const char* name, WFlags f )
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: TQWidget( parentWidget, name, f )
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, m_focusedChildWidget( 0L )
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, m_firstFocusableChildWidget( 0L )
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, m_lastFocusableChildWidget( 0L )
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, m_stateChanged( true )
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, m_bToolView( false )
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, m_bInterruptActivation( false )
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, m_bMainframesActivateViewIsPending( false )
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, m_bFocusInEventIsPending( false )
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, m_trackChanges( 0 )
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{
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setGeometry( 0, 0, 0, 0 ); // reset
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m_szCaption = i18n( "Unnamed" );
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m_sTabCaption = m_szCaption;
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setFocusPolicy( TQWidget::ClickFocus );
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installEventFilter( this );
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// store the current time
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updateTimeStamp();
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}
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//============ ~KMdiChildView ============//
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KMdiChildView::~KMdiChildView()
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{
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kdDebug( 760 ) << k_funcinfo << endl;
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}
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void KMdiChildView::trackIconAndCaptionChanges( TQWidget *view )
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{
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m_trackChanges = view;
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}
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//============== internal geometry ==============//
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TQRect KMdiChildView::internalGeometry() const
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{
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if ( mdiParent() )
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{ // is attached
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// get the client area coordinates inside the MDI child frame
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TQRect posInFrame = geometry();
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// map these values to the parent of the MDI child frame
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// (this usually is the MDI child area) and return
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TQPoint ptTopLeft = mdiParent() ->mapToParent( posInFrame.topLeft() );
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TQSize sz = size();
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return TQRect( ptTopLeft, sz );
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}
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else
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{
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TQRect geo = geometry();
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TQRect frameGeo = externalGeometry();
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return TQRect( frameGeo.x(), frameGeo.y(), geo.width(), geo.height() );
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// return geometry();
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}
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}
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//============== set internal geometry ==============//
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void KMdiChildView::setInternalGeometry( const TQRect& newGeometry )
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{
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if ( mdiParent() )
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{ // is attached
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// retrieve the frame size
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TQRect geo = internalGeometry();
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TQRect frameGeo = externalGeometry();
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int nFrameSizeTop = geo.y() - frameGeo.y();
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int nFrameSizeLeft = geo.x() - frameGeo.x();
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// create the new geometry that is accepted by the TQWidget::setGeometry() method
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TQRect newGeoQt;
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newGeoQt.setX( newGeometry.x() - nFrameSizeLeft );
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newGeoQt.setY( newGeometry.y() - nFrameSizeTop );
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newGeoQt.setWidth( newGeometry.width() + nFrameSizeLeft + KMDI_CHILDFRM_DOUBLE_BORDER / 2 );
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newGeoQt.setHeight( newGeometry.height() + nFrameSizeTop + KMDI_CHILDFRM_DOUBLE_BORDER / 2 );
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// newGeoQt.setWidth(newGeometry.width()+KMDI_MDI_CHILDFRM_DOUBLE_BORDER);
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// newGeoQt.setHeight(newGeometry.height()+mdiParent()->captionHeight()+KMDI_MDI_CHILDFRM_DOUBLE_BORDER);
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// set the geometry
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mdiParent()->setGeometry( newGeoQt );
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}
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else
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{
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// retrieve the frame size
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TQRect geo = internalGeometry();
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TQRect frameGeo = externalGeometry();
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int nFrameSizeTop = geo.y() - frameGeo.y();
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int nFrameSizeLeft = geo.x() - frameGeo.x();
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// create the new geometry that is accepted by the TQWidget::setGeometry() method
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TQRect newGeoQt;
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newGeoQt.setX( newGeometry.x() - nFrameSizeLeft );
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newGeoQt.setY( newGeometry.y() - nFrameSizeTop );
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newGeoQt.setWidth( newGeometry.width() );
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newGeoQt.setHeight( newGeometry.height() );
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// set the geometry
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setGeometry( newGeoQt );
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}
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}
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//============== external geometry ==============//
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TQRect KMdiChildView::externalGeometry() const
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{
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return mdiParent() ? mdiParent()->frameGeometry() : frameGeometry();
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}
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//============== set external geometry ==============//
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void KMdiChildView::setExternalGeometry( const TQRect& newGeometry )
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{
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if ( mdiParent() )
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{ // is attached
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mdiParent() ->setGeometry( newGeometry );
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}
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else
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{
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// retrieve the frame size
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TQRect geo = internalGeometry();
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TQRect frameGeo = externalGeometry();
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int nTotalFrameWidth = frameGeo.width() - geo.width();
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int nTotalFrameHeight = frameGeo.height() - geo.height();
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int nFrameSizeTop = geo.y() - frameGeo.y();
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int nFrameSizeLeft = geo.x() - frameGeo.x();
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// create the new geometry that is accepted by the TQWidget::setGeometry() method
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// not attached => the window system makes the frame
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TQRect newGeoQt;
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newGeoQt.setX( newGeometry.x() + nFrameSizeLeft );
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newGeoQt.setY( newGeometry.y() + nFrameSizeTop );
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newGeoQt.setWidth( newGeometry.width() - nTotalFrameWidth );
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newGeoQt.setHeight( newGeometry.height() - nTotalFrameHeight );
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// set the geometry
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setGeometry( newGeoQt );
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}
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}
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//============== minimize ==============//
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void KMdiChildView::minimize( bool bAnimate )
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{
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if ( mdiParent() )
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{
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if ( !isMinimized() )
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{
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mdiParent() ->setState( KMdiChildFrm::Minimized, bAnimate );
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}
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}
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else
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showMinimized();
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}
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void KMdiChildView::showMinimized()
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{
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emit isMinimizedNow();
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TQWidget::showMinimized();
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}
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//slot:
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void KMdiChildView::minimize()
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{
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minimize( true );
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}
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//============= maximize ==============//
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void KMdiChildView::maximize( bool bAnimate )
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{
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if ( mdiParent() )
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{
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if ( !isMaximized() )
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{
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mdiParent() ->setState( KMdiChildFrm::Maximized, bAnimate );
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emit mdiParentNowMaximized( true );
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}
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}
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else
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showMaximized();
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}
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void KMdiChildView::showMaximized()
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{
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emit isMaximizedNow();
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TQWidget::showMaximized();
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}
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//slot:
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void KMdiChildView::maximize()
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{
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maximize( true );
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}
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//============== restoreGeometry ================//
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TQRect KMdiChildView::restoreGeometry()
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{
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if ( mdiParent() )
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return mdiParent() ->restoreGeometry();
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else //FIXME not really supported, may be we must use Windows or X11 funtions
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return geometry();
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}
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//============== setRestoreGeometry ================//
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void KMdiChildView::setRestoreGeometry( const TQRect& newRestGeo )
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{
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if ( mdiParent() )
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mdiParent()->setRestoreGeometry( newRestGeo );
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}
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//============== attach ================//
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void KMdiChildView::attach()
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{
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emit attachWindow( this, true );
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}
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//============== detach =================//
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void KMdiChildView::detach()
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{
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emit detachWindow( this, true );
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}
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//=============== isMinimized ? =================//
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bool KMdiChildView::isMinimized() const
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{
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if ( mdiParent() )
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return ( mdiParent()->state() == KMdiChildFrm::Minimized );
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else
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return TQWidget::isMinimized();
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}
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//============== isMaximized ? ==================//
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bool KMdiChildView::isMaximized() const
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{
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if ( mdiParent() )
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return ( mdiParent()->state() == KMdiChildFrm::Maximized );
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else
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return TQWidget::isMaximized();
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}
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//============== restore ================//
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void KMdiChildView::restore()
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{
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if ( mdiParent() )
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{
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if ( isMaximized() )
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emit mdiParentNowMaximized( false );
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if ( isMinimized() || isMaximized() )
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mdiParent()->setState( KMdiChildFrm::Normal );
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}
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else
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showNormal();
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}
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void KMdiChildView::showNormal()
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{
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emit isRestoredNow();
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TQWidget::showNormal();
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}
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//=============== youAreAttached ============//
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void KMdiChildView::youAreAttached( KMdiChildFrm *lpC )
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{
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lpC->setCaption( m_szCaption );
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emit isAttachedNow();
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}
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//================ youAreDetached =============//
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void KMdiChildView::youAreDetached()
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{
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setCaption( m_szCaption );
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setTabCaption( m_sTabCaption );
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if ( myIconPtr() )
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setIcon( *( myIconPtr() ) );
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setFocusPolicy( TQWidget::StrongFocus );
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emit isDetachedNow();
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}
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//================ setCaption ================//
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// this set the caption of only the window
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void KMdiChildView::setCaption( const TQString& szCaption )
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{
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// this will work only for window
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m_szCaption = szCaption;
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if ( mdiParent() )
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mdiParent() ->setCaption( m_szCaption );
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else //have to call the parent one
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TQWidget::setCaption( m_szCaption );
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emit windowCaptionChanged( m_szCaption );
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}
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//============== closeEvent ================//
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void KMdiChildView::closeEvent( TQCloseEvent *e )
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{
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e->ignore(); //we ignore the event , and then close later if needed.
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emit childWindowCloseRequest( this );
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}
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//================ myIconPtr =================//
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TQPixmap* KMdiChildView::myIconPtr()
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{
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return 0;
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}
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//============= focusInEvent ===============//
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void KMdiChildView::focusInEvent( TQFocusEvent *e )
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{
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TQWidget::focusInEvent( e );
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// every widget get a focusInEvent when a popup menu is opened!?! -> maybe bug of QT
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if ( e && ( ( e->reason() ) == TQFocusEvent::Popup ) )
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return ;
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m_bFocusInEventIsPending = true;
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activate();
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m_bFocusInEventIsPending = false;
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emit gotFocus( this );
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}
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//============= activate ===============//
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void KMdiChildView::activate()
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{
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// avoid circularity
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static bool s_bActivateIsPending = false;
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if ( s_bActivateIsPending )
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return ;
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s_bActivateIsPending = true;
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// raise the view and push the taskbar button
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if ( !m_bMainframesActivateViewIsPending )
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emit focusInEventOccurs( this );
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// if this method was called directly, check if the mainframe wants that we interrupt
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if ( m_bInterruptActivation )
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m_bInterruptActivation = false;
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else
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{
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if ( !m_bFocusInEventIsPending )
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setFocus();
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kdDebug( 760 ) << k_funcinfo << endl;
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emit activated( this );
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}
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if ( m_focusedChildWidget != 0L )
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m_focusedChildWidget->setFocus();
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else
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{
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if ( m_firstFocusableChildWidget != 0L )
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{
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m_firstFocusableChildWidget->setFocus();
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m_focusedChildWidget = m_firstFocusableChildWidget;
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}
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}
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s_bActivateIsPending = false;
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}
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//============= focusOutEvent ===============//
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void KMdiChildView::focusOutEvent( TQFocusEvent* e )
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{
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TQWidget::focusOutEvent( e );
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emit lostFocus( this );
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}
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//============= resizeEvent ===============//
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void KMdiChildView::resizeEvent( TQResizeEvent* e )
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{
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TQWidget::resizeEvent( e );
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if ( m_stateChanged )
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{
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m_stateChanged = false;
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if ( isMaximized() )
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{ //maximized
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emit isMaximizedNow();
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}
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else if ( isMinimized() )
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{ //minimized
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emit isMinimizedNow();
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}
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else
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{ //is restored
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emit isRestoredNow();
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}
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}
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}
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void KMdiChildView::slot_childDestroyed()
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{
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// do what we do if a child is removed
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// if we lost a child we uninstall ourself as event filter for the lost
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// child and its children
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const TQObject * pLostChild = sender();
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if ( pLostChild && ( pLostChild->isWidgetType() ) )
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{
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TQObjectList* list = ( ( TQObject* ) ( pLostChild ) ) ->queryList( "TQWidget" );
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list->insert( 0, pLostChild ); // add the lost child to the list too, just to save code
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TQObjectListIt it( *list ); // iterate over all lost child widgets
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TQObject* obj;
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while ( ( obj = it.current() ) != 0 )
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{ // for each found object...
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TQWidget * widg = ( TQWidget* ) obj;
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++it;
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widg->removeEventFilter( this );
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if ( m_firstFocusableChildWidget == widg )
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m_firstFocusableChildWidget = 0L; // reset first widget
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if ( m_lastFocusableChildWidget == widg )
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m_lastFocusableChildWidget = 0L; // reset last widget
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if ( m_focusedChildWidget == widg )
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m_focusedChildWidget = 0L; // reset focused widget
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}
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delete list; // delete the list, not the objects
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}
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}
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//============= eventFilter ===============//
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bool KMdiChildView::eventFilter( TQObject *obj, TQEvent *e )
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{
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if ( e->type() == TQEvent::KeyPress && isAttached() )
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{
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TQKeyEvent* ke = ( TQKeyEvent* ) e;
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if ( ke->key() == TQt::Key_Tab )
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{
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TQWidget* w = ( TQWidget* ) obj;
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TQWidget::FocusPolicy wfp = w->focusPolicy();
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if ( wfp == TQWidget::StrongFocus || wfp == TQWidget::TabFocus || w->focusPolicy() == TQWidget::WheelFocus )
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{
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if ( m_lastFocusableChildWidget != 0 )
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{
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if ( w == m_lastFocusableChildWidget )
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{
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if ( w != m_firstFocusableChildWidget )
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m_firstFocusableChildWidget->setFocus();
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}
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}
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}
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}
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}
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else if ( e->type() == TQEvent::FocusIn )
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{
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if ( obj->isWidgetType() )
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{
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TQObjectList * list = queryList( "TQWidget" );
|
|
if ( list->find( obj ) != -1 )
|
|
m_focusedChildWidget = ( TQWidget* ) obj;
|
|
|
|
delete list; // delete the list, not the objects
|
|
}
|
|
if ( !isAttached() )
|
|
{ // is toplevel, for attached views activation is done by main frame event filter
|
|
static bool m_bActivationIsPending = false;
|
|
if ( !m_bActivationIsPending )
|
|
{
|
|
m_bActivationIsPending = true;
|
|
activate(); // sets the focus
|
|
m_bActivationIsPending = false;
|
|
}
|
|
}
|
|
}
|
|
else if ( e->type() == TQEvent::ChildRemoved )
|
|
{
|
|
// if we lost a child we uninstall ourself as event filter for the lost
|
|
// child and its children
|
|
TQObject * pLostChild = ( ( TQChildEvent* ) e ) ->child();
|
|
if ( ( pLostChild != 0L ) && ( pLostChild->isWidgetType() ) )
|
|
{
|
|
TQObjectList * list = pLostChild->queryList( "TQWidget" );
|
|
list->insert( 0, pLostChild ); // add the lost child to the list too, just to save code
|
|
TQObjectListIt it( *list ); // iterate over all lost child widgets
|
|
TQObject * o;
|
|
while ( ( o = it.current() ) != 0 )
|
|
{ // for each found object...
|
|
TQWidget * widg = ( TQWidget* ) o;
|
|
++it;
|
|
widg->removeEventFilter( this );
|
|
TQWidget::FocusPolicy wfp = widg->focusPolicy();
|
|
if ( wfp == TQWidget::StrongFocus || wfp == TQWidget::TabFocus || widg->focusPolicy() == TQWidget::WheelFocus )
|
|
{
|
|
if ( m_firstFocusableChildWidget == widg )
|
|
m_firstFocusableChildWidget = 0L; // reset first widget
|
|
|
|
if ( m_lastFocusableChildWidget == widg )
|
|
m_lastFocusableChildWidget = 0L; // reset last widget
|
|
}
|
|
}
|
|
delete list; // delete the list, not the objects
|
|
}
|
|
}
|
|
else if ( e->type() == TQEvent::ChildInserted )
|
|
{
|
|
// if we got a new child and we are attached to the MDI system we
|
|
// install ourself as event filter for the new child and its children
|
|
// (as we did when we were added to the MDI system).
|
|
TQObject * pNewChild = ( ( TQChildEvent* ) e ) ->child();
|
|
if ( ( pNewChild != 0L ) && ( pNewChild->isWidgetType() ) )
|
|
{
|
|
TQWidget * pNewWidget = ( TQWidget* ) pNewChild;
|
|
if ( pNewWidget->testWFlags( (WFlags)(WType_Dialog | WShowModal) ) )
|
|
return false;
|
|
TQObjectList *list = pNewWidget->queryList( "TQWidget" );
|
|
list->insert( 0, pNewChild ); // add the new child to the list too, just to save code
|
|
TQObjectListIt it( *list ); // iterate over all new child widgets
|
|
TQObject * o;
|
|
while ( ( o = it.current() ) != 0 )
|
|
{ // for each found object...
|
|
TQWidget * widg = ( TQWidget* ) o;
|
|
++it;
|
|
widg->installEventFilter( this );
|
|
connect( widg, TQ_SIGNAL( destroyed() ), this, TQ_SLOT( slot_childDestroyed() ) );
|
|
TQWidget::FocusPolicy wfp = widg->focusPolicy();
|
|
if ( wfp == TQWidget::StrongFocus || wfp == TQWidget::TabFocus || widg->focusPolicy() == TQWidget::WheelFocus )
|
|
{
|
|
if ( m_firstFocusableChildWidget == 0 )
|
|
m_firstFocusableChildWidget = widg; // first widge
|
|
|
|
m_lastFocusableChildWidget = widg; // last widget
|
|
}
|
|
}
|
|
delete list; // delete the list, not the objects
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( e->type() == TQEvent::IconChange )
|
|
{
|
|
// tqDebug("KMDiChildView:: TQEvent:IconChange intercepted\n");
|
|
if ( obj == this )
|
|
iconUpdated( this, icon() ? ( *icon() ) : TQPixmap() );
|
|
else if ( obj == m_trackChanges )
|
|
setIcon( m_trackChanges->icon() ? ( *( m_trackChanges->icon() ) ) : TQPixmap() );
|
|
}
|
|
if ( e->type() == TQEvent::CaptionChange )
|
|
{
|
|
if ( obj == this )
|
|
captionUpdated( this, caption() );
|
|
}
|
|
}
|
|
|
|
return false; // standard event processing
|
|
}
|
|
|
|
/** Switches interposing in event loop of all current child widgets off. */
|
|
void KMdiChildView::removeEventFilterForAllChildren()
|
|
{
|
|
TQObjectList* list = queryList( "TQWidget" );
|
|
TQObjectListIt it( *list ); // iterate over all child widgets
|
|
TQObject* obj;
|
|
while ( ( obj = it.current() ) != 0 )
|
|
{ // for each found object...
|
|
TQWidget* widg = ( TQWidget* ) obj;
|
|
++it;
|
|
widg->removeEventFilter( this );
|
|
}
|
|
delete list; // delete the list, not the objects
|
|
}
|
|
|
|
TQWidget* KMdiChildView::focusedChildWidget()
|
|
{
|
|
return m_focusedChildWidget;
|
|
}
|
|
|
|
void KMdiChildView::setFirstFocusableChildWidget( TQWidget* firstFocusableChildWidget )
|
|
{
|
|
m_firstFocusableChildWidget = firstFocusableChildWidget;
|
|
}
|
|
|
|
void KMdiChildView::setLastFocusableChildWidget( TQWidget* lastFocusableChildWidget )
|
|
{
|
|
m_lastFocusableChildWidget = lastFocusableChildWidget;
|
|
}
|
|
|
|
/** Set a new value of the task bar button caption */
|
|
void KMdiChildView::setTabCaption ( const TQString& stbCaption )
|
|
{
|
|
m_sTabCaption = stbCaption;
|
|
emit tabCaptionChanged( m_sTabCaption );
|
|
}
|
|
|
|
void KMdiChildView::setMDICaption ( const TQString& caption )
|
|
{
|
|
setCaption( caption );
|
|
setTabCaption( caption );
|
|
}
|
|
|
|
/** sets an ID */
|
|
void KMdiChildView::setWindowMenuID( int id )
|
|
{
|
|
m_windowMenuID = id;
|
|
}
|
|
|
|
//============= slot_clickedInWindowMenu ===============//
|
|
|
|
/** called if someone click on the "Window" menu item for this child frame window */
|
|
void KMdiChildView::slot_clickedInWindowMenu()
|
|
{
|
|
updateTimeStamp();
|
|
emit clickedInWindowMenu( m_windowMenuID );
|
|
}
|
|
|
|
//============= slot_clickedInDockMenu ===============//
|
|
|
|
/** called if someone click on the "Dock/Undock..." menu item for this child frame window */
|
|
void KMdiChildView::slot_clickedInDockMenu()
|
|
{
|
|
emit clickedInDockMenu( m_windowMenuID );
|
|
}
|
|
|
|
//============= setMinimumSize ===============//
|
|
|
|
void KMdiChildView::setMinimumSize( int minw, int minh )
|
|
{
|
|
TQWidget::setMinimumSize( minw, minh );
|
|
if ( mdiParent() && mdiParent()->state() != KMdiChildFrm::Minimized )
|
|
{
|
|
mdiParent() ->setMinimumSize( minw + KMDI_CHILDFRM_DOUBLE_BORDER,
|
|
minh + KMDI_CHILDFRM_DOUBLE_BORDER + KMDI_CHILDFRM_SEPARATOR + mdiParent() ->captionHeight() );
|
|
}
|
|
}
|
|
|
|
//============= setMaximumSize ===============//
|
|
|
|
void KMdiChildView::setMaximumSize( int maxw, int maxh )
|
|
{
|
|
if ( mdiParent() && mdiParent()->state() == KMdiChildFrm::Normal )
|
|
{
|
|
int w = maxw + KMDI_CHILDFRM_DOUBLE_BORDER;
|
|
if ( w > TQWIDGETSIZE_MAX )
|
|
w = TQWIDGETSIZE_MAX;
|
|
|
|
int h = maxh + KMDI_CHILDFRM_DOUBLE_BORDER + KMDI_CHILDFRM_SEPARATOR + mdiParent() ->captionHeight();
|
|
if ( h > TQWIDGETSIZE_MAX )
|
|
h = TQWIDGETSIZE_MAX;
|
|
|
|
mdiParent()->setMaximumSize( w, h );
|
|
}
|
|
TQWidget::setMaximumSize( maxw, maxh );
|
|
}
|
|
|
|
//============= show ===============//
|
|
|
|
void KMdiChildView::show()
|
|
{
|
|
if ( mdiParent() )
|
|
mdiParent()->show();
|
|
|
|
TQWidget::show();
|
|
}
|
|
|
|
//============= hide ===============//
|
|
|
|
void KMdiChildView::hide()
|
|
{
|
|
if ( mdiParent() )
|
|
mdiParent()->hide();
|
|
|
|
TQWidget::hide();
|
|
}
|
|
|
|
//============= raise ===============//
|
|
|
|
void KMdiChildView::raise()
|
|
{
|
|
if ( mdiParent() ) //TODO Check Z-order
|
|
mdiParent()->raise();
|
|
|
|
TQWidget::raise();
|
|
}
|