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78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: pqListWidgetCheckHelper.cxx
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Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
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All rights reserved.
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ParaView is a free software; you can redistribute it and/or modify it
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under the terms of the ParaView license version 1.2.
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See License_v1.2.txt for the full ParaView license.
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A copy of this license can be obtained by contacting
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Kitware Inc.
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28 Corporate Drive
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Clifton Park, NY 12065
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USA
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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=========================================================================*/
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#include "pqListWidgetCheckHelper.h"
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#include <QListWidget>
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#include <QListWidgetItem>
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//-----------------------------------------------------------------------------
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pqListWidgetCheckHelper::pqListWidgetCheckHelper(
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QListWidget* list,
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QObject* p):
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QObject(p)
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{
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this->List = list;
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QObject::connect(this->List, SIGNAL(itemClicked(QListWidgetItem*)),
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this, SLOT(onItemClicked(QListWidgetItem*)));
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QObject::connect(this->List, SIGNAL(itemPressed(QListWidgetItem*)),
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this, SLOT(onItemPressed(QListWidgetItem*)));
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}
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//-----------------------------------------------------------------------------
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void pqListWidgetCheckHelper::onItemPressed(QListWidgetItem* item)
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{
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this->PressState = item->checkState();
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}
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//-----------------------------------------------------------------------------
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void pqListWidgetCheckHelper::onItemClicked(QListWidgetItem* item)
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{
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Qt::CheckState state = item->checkState();
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if (this->PressState != state)
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{
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// the click was on the check box itself, hence the state is already toggled.
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return;
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}
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if (state == Qt::Unchecked)
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{
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state = Qt::Checked;
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}
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else if (state == Qt::Checked)
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{
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state = Qt::Unchecked;
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}
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item->setCheckState(state);
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}
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//-----------------------------------------------------------------------------
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