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66 lines
2.7 KiB
C++
66 lines
2.7 KiB
C++
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "treewidgetcolumnstretcher.h"
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#include <QtGui/QTreeWidget>
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#include <QtGui/QHideEvent>
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#include <QtGui/QHeaderView>
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using namespace Utils;
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TreeWidgetColumnStretcher::TreeWidgetColumnStretcher(QTreeWidget *treeWidget, int columnToStretch)
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: QObject(treeWidget->header()), m_columnToStretch(columnToStretch)
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{
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parent()->installEventFilter(this);
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QHideEvent fake;
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TreeWidgetColumnStretcher::eventFilter(parent(), &fake);
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}
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bool TreeWidgetColumnStretcher::eventFilter(QObject *obj, QEvent *ev)
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{
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if (obj == parent()) {
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if (ev->type() == QEvent::Show) {
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QHeaderView *hv = qobject_cast<QHeaderView*>(obj);
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for (int i = 0; i < hv->count(); ++i)
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hv->setResizeMode(i, QHeaderView::Interactive);
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} else if (ev->type() == QEvent::Hide) {
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QHeaderView *hv = qobject_cast<QHeaderView*>(obj);
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for (int i = 0; i < hv->count(); ++i)
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hv->setResizeMode(i, i == m_columnToStretch ? QHeaderView::Stretch : QHeaderView::ResizeToContents);
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} else if (ev->type() == QEvent::Resize) {
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QHeaderView *hv = qobject_cast<QHeaderView*>(obj);
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if (hv->resizeMode(m_columnToStretch) == QHeaderView::Interactive) {
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QResizeEvent *re = static_cast<QResizeEvent*>(ev);
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int diff = re->size().width() - re->oldSize().width() ;
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hv->resizeSection(m_columnToStretch, qMax(32, hv->sectionSize(1) + diff));
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}
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}
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}
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return false;
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}
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