2010-03-10 22:36:47 +00:00
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/**
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******************************************************************************
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*
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* @file treewidgetcolumnstretcher.cpp
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
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* @brief
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* @see The GNU Public License (GPL) Version 3
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* @defgroup
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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 General Public License as published by
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* the Free Software Foundation; either version 3 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2010-02-01 14:10:06 +00:00
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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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