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729 lines
16 KiB
729 lines
16 KiB
/* kasbar.cpp
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**
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** Copyright (C) 2001-2004 Richard Moore <rich@kde.org>
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** Contributor: Mosfet
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** All rights reserved.
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**
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** KasBar is dual-licensed: you can choose the GPL or the BSD license.
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** Short forms of both licenses are included below.
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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 General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program in a file called COPYING; if not, write to
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** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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** MA 02110-1301, USA.
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*/
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/*
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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** ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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** OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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** SUCH DAMAGE.
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*/
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/*
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** Bug reports and questions can be sent to kde-devel@kde.org
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*/
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#include <math.h>
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#include <tqbitmap.h>
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#include <tqcursor.h>
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#include <tqpainter.h>
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#include <tqmemarray.h>
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#include <tqtimer.h>
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#include <kapplication.h>
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#include <kdebug.h>
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#include <krootpixmap.h>
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#include <kpixmapio.h>
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#include <kiconloader.h>
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#include "kasitem.h"
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#include "kasbar.h"
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#include "kasbar.moc"
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static const int SMALL_EXTENT = 36;
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static const int MEDIUM_EXTENT = 52;
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static const int LARGE_EXTENT = 68;
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static const int HUGE_EXTENT = 84;
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static const int ENORMOUS_EXTENT = 148;
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KasBar::KasBar( Orientation o, TQWidget *parent, const char *name, WFlags f )
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: TQWidget( parent, name, f ),
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master_(0),
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orient( o ),
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direction_( o == Qt::Horizontal ? TQBoxLayout::LeftToRight : TQBoxLayout::TopToBottom ),
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itemUnderMouse_( 0 ),
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boxesPerLine_(10), // Temp value
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inDrag( false ),
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detached( false ),
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maxBoxes_( 100 ), // Temp value
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itemSize_( Medium ),
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itemExtent_( MEDIUM_EXTENT ),
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paintInactiveFrame_( true ),
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transparent_( false ),
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rootPix( 0 ),
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enableTint_( false ),
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tintAmount_( 0.1 ),
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tintColour_( tqcolorGroup().mid() ),
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useMask_( true ),
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res(0)
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{
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setBackgroundMode( NoBackground );
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items.setAutoDelete( true );
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setMouseTracking( true );
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setMaxBoxes( 0 );
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connect( this, TQT_SIGNAL( configChanged() ), TQT_SLOT( tqrepaint() ) );
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}
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KasBar::KasBar( Orientation o, KasBar *master, TQWidget *parent, const char *name, WFlags f )
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: TQWidget( parent, name, f ),
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master_(master),
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orient( o ),
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direction_( o == Qt::Horizontal ? TQBoxLayout::LeftToRight : TQBoxLayout::TopToBottom ),
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itemUnderMouse_( 0 ),
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boxesPerLine_(10), // Temp value
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inDrag( false ),
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detached( false ),
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maxBoxes_( 100 ), // Temp value
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itemSize_( Medium ),
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itemExtent_( MEDIUM_EXTENT ),
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paintInactiveFrame_( true ),
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transparent_( false ),
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rootPix( 0 ),
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enableTint_( false ),
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tintAmount_( 0.1 ),
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tintColour_( tqcolorGroup().mid() ),
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useMask_( true ),
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res(0)
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{
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setBackgroundMode( NoBackground );
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items.setAutoDelete( true );
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setMouseTracking( true );
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setMaxBoxes( 0 );
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connect( master_, TQT_SIGNAL( configChanged() ), TQT_SLOT( tqrepaint() ) );
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}
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KasBar::~KasBar()
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{
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delete res;
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}
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KasResources *KasBar::resources()
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{
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if ( res )
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return res;
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if ( isTopLevel() ) {
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res = new KasResources( this );
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connect( res, TQT_SIGNAL( changed() ), TQT_SIGNAL( configChanged() ) );
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connect( this, TQT_SIGNAL( itemSizeChanged(int) ), res, TQT_SLOT( itemSizeChanged() ) );
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return res;
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}
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return master_->resources();
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}
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KasBar *KasBar::createChildBar( Orientation o, TQWidget *parent, const char *name )
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{
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KasBar *child = new KasBar( o, this, parent, name );
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child->rereadMaster();
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return child;
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}
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void KasBar::setItemSize( int size )
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{
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switch( size ) {
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case Small:
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setItemExtent( SMALL_EXTENT );
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break;
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case Medium:
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setItemExtent( MEDIUM_EXTENT );
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break;
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case Large:
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setItemExtent( LARGE_EXTENT );
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break;
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case Huge:
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setItemExtent( HUGE_EXTENT );
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break;
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case Enormous:
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setItemExtent( ENORMOUS_EXTENT );
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break;
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default:
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break;
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}
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}
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void KasBar::setItemExtent( int size )
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{
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if ( size == itemExtent_ )
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return;
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itemExtent_ = size;
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if ( size < MEDIUM_EXTENT )
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itemSize_ = Small;
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else if ( size < LARGE_EXTENT )
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itemSize_ = Medium;
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else if ( size < HUGE_EXTENT )
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itemSize_ = Large;
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else if ( size < ENORMOUS_EXTENT )
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itemSize_ = Huge;
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else
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itemSize_ = Enormous;
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emit itemSizeChanged( itemSize_ );
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emit configChanged();
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updateLayout();
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}
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void KasBar::setTransparent( bool enable )
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{
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if ( transparent_ == enable )
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return;
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transparent_ = enable;
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if ( transparent_ ) {
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kdDebug(1345) << "KasBar: Enabling transparency" << endl;
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rootPix = new KRootPixmap( this );
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connect( rootPix, TQT_SIGNAL( backgroundUpdated(const TQPixmap &) ),
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this, TQT_SLOT( setBackground(const TQPixmap &) ) );
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rootPix->setCustomPainting( true );
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if ( enableTint_ )
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rootPix->setFadeEffect( tintAmount_, tintColour_ );
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rootPix->start();
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}
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else {
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kdDebug(1345) << "KasBar: Disabling transparency" << endl;
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rootPix->stop();
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delete rootPix;
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rootPix = 0;
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}
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emit configChanged();
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}
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void KasBar::setTint( bool enable )
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{
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if ( enableTint_ == enable )
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return;
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enableTint_ = enable;
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if ( transparent_ && rootPix ) {
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if ( enableTint_ ) {
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rootPix->setFadeEffect( tintAmount_, tintColour_ );
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}
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else {
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rootPix->setFadeEffect( 0.0, tintColour_ );
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}
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emit configChanged();
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tqrepaint( true );
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}
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}
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void KasBar::setTint( double amount, TQColor color )
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{
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tintAmount_ = amount;
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tintColour_ = color;
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if ( transparent_ && enableTint_ ) {
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rootPix->setFadeEffect( tintAmount_, tintColour_ );
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emit configChanged();
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if ( rootPix->isAvailable() )
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rootPix->tqrepaint( true );
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}
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}
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void KasBar::setTintColor( const TQColor &c )
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{
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setTint( tintAmount_, c );
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}
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void KasBar::setTintAmount( int percent )
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{
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double amt = (double) percent / 100.0;
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setTint( amt, tintColour_ );
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}
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void KasBar::setMaxBoxes( int count )
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{
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if ( count == maxBoxes_ )
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return;
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if ( count == 0 )
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count = 15; // XXX Hacked
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maxBoxes_ = count;
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emit configChanged();
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setBoxesPerLine( count );
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}
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void KasBar::setBoxesPerLine( int count )
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{
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boxesPerLine_ = QMIN( count, maxBoxes_ );
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updateLayout();
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}
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void KasBar::setDetachedPosition( const TQPoint &pos )
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{
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if ( detachedPos == pos )
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return;
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detachedPos = pos;
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emit detachedPositionChanged( pos );
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}
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void KasBar::setDirection( Direction dir )
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{
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if ( direction_ == dir )
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return;
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if ( ( dir == TQBoxLayout::LeftToRight ) || ( dir == TQBoxLayout::RightToLeft ) )
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orient = Qt::Horizontal;
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else
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orient = Qt::Vertical;
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direction_ = dir;
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emit directionChanged();
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updateLayout();
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}
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void KasBar::setOrientation( Orientation o )
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{
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if ( orient == o )
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return;
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if ( o == Qt::Horizontal )
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setDirection( TQBoxLayout::LeftToRight );
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else
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setDirection( TQBoxLayout::TopToBottom );
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}
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void KasBar::toggleOrientation()
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{
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switch( direction_ ) {
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case TQBoxLayout::LeftToRight:
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setDirection( TQBoxLayout::RightToLeft );
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break;
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case TQBoxLayout::RightToLeft:
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setDirection( TQBoxLayout::TopToBottom );
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break;
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case TQBoxLayout::TopToBottom:
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setDirection( TQBoxLayout::BottomToTop );
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break;
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case TQBoxLayout::BottomToTop:
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setDirection( TQBoxLayout::LeftToRight );
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break;
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default:
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kdWarning() << "toggleOrientation got an odd direction: " << (uint) direction_ << endl;
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setDirection( TQBoxLayout::LeftToRight );
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break;
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}
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}
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void KasBar::toggleDetached()
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{
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setDetached( !detached );
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}
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void KasBar::setDetached( bool detach )
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{
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if ( detached == detach )
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return;
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detached = detach;
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updateLayout();
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emit detachedChanged( detached );
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}
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TQSize KasBar::tqsizeHint( Orientation o, TQSize sz )
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{
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if ( o == Qt::Horizontal )
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setBoxesPerLine( sz.width() / itemExtent() );
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else
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setBoxesPerLine( sz.height() / itemExtent() );
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unsigned int r=0, c=0;
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if( items.count() > (unsigned int) boxesPerLine_ ) {
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r = items.count()/boxesPerLine_;
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c = boxesPerLine_;
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}
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else {
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r = 1;
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c = items.count();
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}
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if( r*c < items.count() ) // remainders
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++r;
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TQSize s;
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if( o == Qt::Horizontal ) {
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s.setWidth( c*itemExtent() );
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s.setHeight( r*itemExtent() );
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}
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else {
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s.setWidth( r*itemExtent() );
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s.setHeight( c*itemExtent() );
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}
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return s;
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}
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void KasBar::updateLayout()
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{
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// kdDebug(1345) << "KasBar: updateLayout(), count is " << items.count() << endl;
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if ( !isUpdatesEnabled() )
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return;
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bool updates = isUpdatesEnabled();
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tqsetUpdatesEnabled( false );
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// This is for testing a rectangular layout
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// boxesPerLine_ = (uint) ceil(sqrt( items.count() ));
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// Work out the number of rows and columns
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unsigned int r=0, c=0;
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if( items.count() > (unsigned int) boxesPerLine_ ) {
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r = items.count()/boxesPerLine_;
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c = boxesPerLine_;
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}
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else{
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r = 1;
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c = items.count();
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}
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if( r*c < items.count() ) // remainders
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++r;
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TQSize sz;
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if ( orient == Qt::Horizontal )
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sz = TQSize( c * itemExtent(), r * itemExtent() );
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else
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sz = TQSize( r * itemExtent(), c * itemExtent() );
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if ( sz != size() ) {
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resize( sz );
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}
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tqsetUpdatesEnabled( updates );
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TQWidget *top = tqtopLevelWidget();
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TQRegion mask;
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KasItem *i;
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if ( orient == Qt::Horizontal ) {
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for ( i = items.first(); i; i = items.next() ) {
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int x = (items.tqat() % c) * itemExtent();
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if ( direction_ == TQBoxLayout::RightToLeft )
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x = width() - x - itemExtent();
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i->setPos( x, (items.tqat() / c) * itemExtent() );
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i->update();
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mask = mask.unite( TQRegion( TQRect( i->pos(), TQSize(itemExtent(),itemExtent()) ) ) );
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}
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}
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else {
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for ( i = items.first(); i; i = items.next() ) {
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int y = (items.tqat() / r) * itemExtent();
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if ( direction_ == TQBoxLayout::BottomToTop )
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y = height() - y - itemExtent();
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i->setPos( (items.tqat() % r) * itemExtent(), y );
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i->update();
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mask = mask.unite( TQRegion( TQRect( i->pos(), TQSize(itemExtent(),itemExtent()) ) ) );
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}
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}
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if ( useMask_ )
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top->setMask( mask );
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else
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top->clearMask();
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update();
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}
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void KasBar::rereadMaster()
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{
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if ( !master_ )
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return;
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setItemSize( master_->itemSize() );
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setTint( master_->hasTint() );
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setTintColor( master_->tintColor() );
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setTintAmount( master_->tintAmount() );
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}
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void KasBar::append( KasItem *i )
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{
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if ( !i )
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return;
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items.append( i );
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updateLayout();
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}
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void KasBar::insert( int index, KasItem *i )
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{
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if ( (!i) || (index < 0) )
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return;
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items.insert( index, i );
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updateLayout();
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}
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void KasBar::remove( KasItem *i )
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{
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items.remove( i );
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if ( i == itemUnderMouse_ )
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itemUnderMouse_ = 0;
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updateLayout();
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}
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void KasBar::clear()
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{
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items.clear();
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itemUnderMouse_ = 0;
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updateLayout();
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}
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void KasBar::mousePressEvent(TQMouseEvent *ev)
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{
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KasItem *i = itemAt( ev->pos() );
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if ( i )
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i->mousePressEvent( ev );
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pressPos = ev->globalPos();
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}
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void KasBar::mouseReleaseEvent(TQMouseEvent *ev)
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{
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if ( !inDrag ) {
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KasItem *i = itemAt( ev->pos() );
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if ( i )
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i->mouseReleaseEvent( ev );
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}
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else if ( detached ) {
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setDetachedPosition( pos() );
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emit configChanged();
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}
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pressPos = TQPoint();
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inDrag = false;
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}
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void KasBar::updateMouseOver()
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{
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updateMouseOver( mapFromGlobal( TQCursor::pos() ) );
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}
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void KasBar::updateMouseOver( TQPoint pos )
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{
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KasItem *i = itemAt(pos);
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if ( i == itemUnderMouse_ )
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return;
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if ( itemUnderMouse_ )
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itemUnderMouse_->mouseLeave();
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if ( i )
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i->mouseEnter();
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if ( i && itemUnderMouse_ )
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itemUnderMouse_->hidePopup();
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itemUnderMouse_ = i;
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}
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void KasBar::mouseMoveEvent(TQMouseEvent *ev)
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{
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if ( detached && (!pressPos.isNull()) ) {
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TQPoint moved = ev->globalPos() - pressPos;
|
|
|
|
if ( !inDrag ) {
|
|
if ( moved.manhattanLength() > 6 ) {
|
|
inDrag = true;
|
|
emit dragStarted();
|
|
}
|
|
}
|
|
|
|
if ( inDrag ) {
|
|
if ( itemUnderMouse_ )
|
|
itemUnderMouse_->hidePopup();
|
|
|
|
move( pos() + moved );
|
|
pressPos = ev->globalPos();
|
|
}
|
|
}
|
|
else {
|
|
updateMouseOver( ev->pos() );
|
|
}
|
|
}
|
|
|
|
void KasBar::dragMoveEvent ( TQDragMoveEvent *ev )
|
|
{
|
|
KasItem *i = itemAt( ev->pos() );
|
|
if ( itemUnderMouse_ != i ) {
|
|
if ( itemUnderMouse_ )
|
|
itemUnderMouse_->dragLeave();
|
|
if ( i )
|
|
i->dragEnter();
|
|
itemUnderMouse_ = i;
|
|
}
|
|
}
|
|
|
|
void KasBar::paintEvent(TQPaintEvent *ev)
|
|
{
|
|
TQPainter q( this );
|
|
q.drawPixmap( ev->rect().topLeft(), offscreen, ev->rect() );
|
|
}
|
|
|
|
void KasBar::resizeEvent(TQResizeEvent *ev)
|
|
{
|
|
offscreen.resize( ev->size() );
|
|
TQPainter p( &offscreen );
|
|
paintBackground( &p, TQRect(TQPoint(0,0),size()) );
|
|
TQWidget::resizeEvent(ev);
|
|
emit tqlayoutChanged();
|
|
}
|
|
|
|
|
|
TQPoint KasBar::itemPos( KasItem *i )
|
|
{
|
|
return i->pos();
|
|
}
|
|
|
|
void KasBar::updateItem( KasItem *i )
|
|
{
|
|
if ( !i )
|
|
return;
|
|
if ( !isShown() )
|
|
return;
|
|
|
|
TQPainter p( &offscreen );
|
|
TQPoint pos = i->pos();
|
|
|
|
paintBackground( &p, TQRect( pos, TQSize( itemExtent(), itemExtent() ) ) );
|
|
i->paint( &p, pos.x(), pos.y() );
|
|
update( TQRect( pos, TQSize( itemExtent(), itemExtent() ) ) );
|
|
}
|
|
|
|
void KasBar::repaintItem(KasItem *i, bool erase )
|
|
{
|
|
if ( !i )
|
|
return;
|
|
if ( !isShown() )
|
|
return;
|
|
|
|
TQPainter p( &offscreen );
|
|
TQPoint pos = i->pos();
|
|
|
|
paintBackground( &p, TQRect( pos, TQSize( itemExtent(), itemExtent() ) ) );
|
|
i->paint( &p, pos.x(), pos.y() );
|
|
tqrepaint( TQRect( pos, TQSize( itemExtent(), itemExtent() ) ), transparent_ || erase );
|
|
}
|
|
|
|
KasItem* KasBar::itemAt(const TQPoint &p)
|
|
{
|
|
KasItem *i;
|
|
TQRect cr;
|
|
|
|
for (i = items.first(); i; i = items.next()) {
|
|
cr.setTopLeft( i->pos() );
|
|
cr.setSize( TQSize( itemExtent(), itemExtent() ) );
|
|
|
|
if(cr.tqcontains(p))
|
|
return i;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void KasBar::setBackground( const TQPixmap &newBg )
|
|
{
|
|
bg = newBg;
|
|
|
|
TQPainter p( &offscreen );
|
|
paintBackground( &p, TQRect(TQPoint(0,0),size()) );
|
|
|
|
updateLayout();
|
|
}
|
|
|
|
void KasBar::setMasked( bool mask )
|
|
{
|
|
if ( useMask_ == mask )
|
|
return;
|
|
|
|
useMask_ = mask;
|
|
}
|
|
|
|
void KasBar::setPaintInactiveFrames( bool enable )
|
|
{
|
|
paintInactiveFrame_ = enable;
|
|
update();
|
|
}
|
|
|
|
void KasBar::paintBackground( TQPainter *p, const TQRect &r )
|
|
{
|
|
// If we're transparent
|
|
if ( transparent_ ) {
|
|
if ( !bg.isNull() ) {
|
|
p->drawPixmap( r.topLeft(), bg, r );
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void KasBar::addTestItems()
|
|
{
|
|
KasItem *i = new KasItem( this );
|
|
insert( 0, i );
|
|
i->setText( "Animated" );
|
|
i->setIcon( KGlobal::iconLoader()->loadIcon( "icons", KIcon::NoGroup, KIcon::SizeMedium ) );
|
|
i->setAnimation( resources()->startupAnimation() );
|
|
TQTimer *aniTimer = new TQTimer( i, "aniTimer" );
|
|
connect( aniTimer, TQT_SIGNAL( timeout() ), i, TQT_SLOT( advanceAnimation() ) );
|
|
aniTimer->start( 100 );
|
|
i->setShowAnimation( true );
|
|
|
|
updateLayout();
|
|
}
|