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321 lines
9.1 KiB
321 lines
9.1 KiB
//----------------------------------------------------------------------------
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// filename : tdemdichildfrmcaption.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 an
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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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//
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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 "tdemdichildfrmcaption.h"
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#include "tdemdichildfrmcaption.moc"
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#include <tqpainter.h>
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#include <tqapplication.h>
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#include <tqcursor.h>
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#include <tqtoolbutton.h>
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#include <tqpopupmenu.h>
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#include "tdemdidefines.h"
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#include "tdemdichildfrm.h"
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#include "tdemdichildarea.h"
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#include "tdemdimainfrm.h"
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#include <tdelocale.h>
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#include <iostream>
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#ifdef TQ_WS_WIN
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//TODO: one day gradient can be added for win98/winnt5+
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// ask system properties on windows
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#ifndef SPI_GETGRADIENTCAPTIONS
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# define SPI_GETGRADIENTCAPTIONS 0x1008
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#endif
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#ifndef COLOR_GRADIENTACTIVECAPTION
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# define COLOR_GRADIENTACTIVECAPTION 27
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#endif
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#ifndef COLOR_GRADIENTINACTIVECAPTION
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# define COLOR_GRADIENTINACTIVECAPTION 28
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#endif
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#endif
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//#endif
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//////////////////////////////////////////////////////////////////////////////
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// Class : KMdiChildFrmCaption
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// Purpose : An MDI label that draws the title
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//
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//
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//////////////////////////////////////////////////////////////////////////////
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//============== KMdiChildFrmCaption =============//
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KMdiChildFrmCaption::KMdiChildFrmCaption( KMdiChildFrm *parent )
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: TQWidget( parent, "tdemdi_childfrmcaption" )
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{
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m_szCaption = i18n( "Unnamed" );
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m_bActive = false;
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m_pParent = parent;
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setBackgroundMode( NoBackground );
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setFocusPolicy( TQWidget::NoFocus );
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m_bChildInDrag = false;
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}
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//============== ~KMdiChildFrmCaption =============//
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KMdiChildFrmCaption::~KMdiChildFrmCaption()
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{}
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//============= mousePressEvent ==============//
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void KMdiChildFrmCaption::mousePressEvent( TQMouseEvent *e )
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{
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if ( e->button() == TQt::LeftButton )
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{
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setMouseTracking( false );
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if ( KMdiMainFrm::frameDecorOfAttachedViews() != KMdi::Win95Look )
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{
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TQApplication::setOverrideCursor( TQt::sizeAllCursor, true );
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}
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m_pParent->m_bDragging = true;
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m_offset = mapToParent( e->pos() );
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}
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else if ( e->button() == TQt::RightButton )
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{
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m_pParent->systemMenu()->popup( mapToGlobal( e->pos() ) );
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}
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}
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//============= mouseReleaseEvent ============//
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void KMdiChildFrmCaption::mouseReleaseEvent( TQMouseEvent *e )
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{
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if ( e->button() == TQt::LeftButton )
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{
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if ( KMdiMainFrm::frameDecorOfAttachedViews() != KMdi::Win95Look )
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TQApplication::restoreOverrideCursor();
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releaseMouse();
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if ( m_pParent->m_bDragging )
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{
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m_pParent->m_bDragging = false;
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if ( m_bChildInDrag )
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{
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//notify child view
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KMdiChildFrmDragEndEvent ue( e );
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if ( m_pParent->m_pClient != 0L )
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TQApplication::sendEvent( m_pParent->m_pClient, &ue );
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m_bChildInDrag = false;
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}
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}
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}
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}
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//============== mouseMoveEvent =============//
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void KMdiChildFrmCaption::mouseMoveEvent( TQMouseEvent *e )
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{
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if ( !m_pParent->m_bDragging )
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return ;
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if ( !m_bChildInDrag )
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{
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//notify child view
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KMdiChildFrmDragBeginEvent ue( e );
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if ( m_pParent->m_pClient != 0L )
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TQApplication::sendEvent( m_pParent->m_pClient, &ue );
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m_bChildInDrag = true;
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}
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TQPoint relMousePosInChildArea = m_pParent->m_pManager->mapFromGlobal( e->globalPos() );
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// mouse out of child area? stop child frame dragging
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if ( !m_pParent->m_pManager->rect().contains( relMousePosInChildArea ) )
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{
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if ( relMousePosInChildArea.x() < 0 )
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relMousePosInChildArea.rx() = 0;
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if ( relMousePosInChildArea.y() < 0 )
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relMousePosInChildArea.ry() = 0;
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if ( relMousePosInChildArea.x() > m_pParent->m_pManager->width() )
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relMousePosInChildArea.rx() = m_pParent->m_pManager->width();
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if ( relMousePosInChildArea.y() > m_pParent->m_pManager->height() )
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relMousePosInChildArea.ry() = m_pParent->m_pManager->height();
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}
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TQPoint mousePosInChildArea = relMousePosInChildArea - m_offset;
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// set new child frame position
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parentWidget() ->move( mousePosInChildArea );
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}
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//=============== setActive ===============//
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void KMdiChildFrmCaption::setActive( bool bActive )
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{
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if ( m_bActive == bActive )
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return ;
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// Ensure the icon's pixmap has the correct bg color
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m_pParent->m_pWinIcon->setBackgroundColor( bActive ?
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m_pParent->m_pManager->m_captionActiveBackColor :
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m_pParent->m_pManager->m_captionInactiveBackColor );
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m_pParent->m_pUnixIcon->setBackgroundColor( bActive ?
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m_pParent->m_pManager->m_captionActiveBackColor :
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m_pParent->m_pManager->m_captionInactiveBackColor );
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m_bActive = bActive;
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repaint( false );
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}
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//=============== setCaption ===============//
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void KMdiChildFrmCaption::setCaption( const TQString& text )
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{
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m_szCaption = text;
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repaint( false );
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}
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//============== heightHint ===============//
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int KMdiChildFrmCaption::heightHint()
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{
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int hint = m_pParent->m_pManager->m_captionFontLineSpacing + 3;
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if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::Win95Look )
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{
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if ( hint < 18 )
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hint = 18;
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}
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else if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::KDE1Look )
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{
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if ( hint < 20 )
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hint = 20;
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}
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else if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::KDELook )
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{
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if ( hint < 16 )
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hint = 16;
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}
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else
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{ // kde2laptop look
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hint -= 4;
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if ( hint < 14 )
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hint = 14;
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}
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return hint;
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}
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//=============== paintEvent ==============//
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void KMdiChildFrmCaption::paintEvent( TQPaintEvent * )
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{
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TQPainter p( this );
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TQRect r = rect();
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p.setFont( m_pParent->m_pManager->m_captionFont );
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if ( m_bActive )
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{
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p.fillRect( r, m_pParent->m_pManager->m_captionActiveBackColor );
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p.setPen( m_pParent->m_pManager->m_captionActiveForeColor );
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}
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else
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{
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p.fillRect( r, m_pParent->m_pManager->m_captionInactiveBackColor );
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p.setPen( m_pParent->m_pManager->m_captionInactiveForeColor );
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}
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//Shift the text after the icon
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if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::Win95Look )
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r.setLeft( r.left() + m_pParent->icon() ->width() + 3 );
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else if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::KDE1Look )
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r.setLeft( r.left() + 22 );
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else if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::KDELook )
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r.setLeft( r.left() + m_pParent->icon() ->width() + 3 );
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else // kde2laptop look
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r.setLeft( r.left() + 30 );
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int captionWidthForText = width() - 4 * m_pParent->m_pClose->width() - m_pParent->icon() ->width() - 5;
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TQString text = abbreviateText( m_szCaption, captionWidthForText );
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p.drawText( r, AlignVCenter | AlignLeft | SingleLine, text );
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}
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TQString KMdiChildFrmCaption::abbreviateText( TQString origStr, int maxWidth )
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{
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TQFontMetrics fm = fontMetrics();
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int actualWidth = fm.width( origStr );
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int realLetterCount = origStr.length();
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int newLetterCount;
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if ( actualWidth != 0 )
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newLetterCount = ( maxWidth * realLetterCount ) / actualWidth;
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else
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newLetterCount = realLetterCount; // should be 0 anyway
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int w = maxWidth + 1;
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TQString s = origStr;
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if ( newLetterCount <= 0 )
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s = "";
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while ( ( w > maxWidth ) && ( newLetterCount >= 1 ) )
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{
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if ( newLetterCount < realLetterCount )
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{
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if ( newLetterCount > 3 )
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s = origStr.left( newLetterCount / 2 ) + "..." + origStr.right( newLetterCount / 2 );
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else
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{
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if ( newLetterCount > 1 )
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s = origStr.left( newLetterCount ) + "..";
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else
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s = origStr.left( 1 );
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}
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}
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TQFontMetrics fm = fontMetrics();
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w = fm.width( s );
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newLetterCount--;
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}
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return s;
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}
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//============= mouseDoubleClickEvent ===========//
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void KMdiChildFrmCaption::mouseDoubleClickEvent( TQMouseEvent * )
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{
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m_pParent->maximizePressed();
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}
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//============= slot_moveViaSystemMenu ===========//
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void KMdiChildFrmCaption::slot_moveViaSystemMenu()
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{
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setMouseTracking( true );
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grabMouse();
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if ( KMdiMainFrm::frameDecorOfAttachedViews() != KMdi::Win95Look )
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TQApplication::setOverrideCursor( TQt::sizeAllCursor, true );
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m_pParent->m_bDragging = true;
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m_offset = mapFromGlobal( TQCursor::pos() );
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}
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