diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/manual/widgets/itemviews/qheaderview/qheaderviewtest.pro | 3 | ||||
-rw-r--r-- | tests/manual/widgets/itemviews/qheaderview/qheaderviewtest1.cpp | 110 |
2 files changed, 113 insertions, 0 deletions
diff --git a/tests/manual/widgets/itemviews/qheaderview/qheaderviewtest.pro b/tests/manual/widgets/itemviews/qheaderview/qheaderviewtest.pro new file mode 100644 index 0000000000..ac40c6e9e1 --- /dev/null +++ b/tests/manual/widgets/itemviews/qheaderview/qheaderviewtest.pro @@ -0,0 +1,3 @@ +TEMPLATE = app +SOURCES = qheaderviewtest1.cpp +QT += widgets diff --git a/tests/manual/widgets/itemviews/qheaderview/qheaderviewtest1.cpp b/tests/manual/widgets/itemviews/qheaderview/qheaderviewtest1.cpp new file mode 100644 index 0000000000..48f592202e --- /dev/null +++ b/tests/manual/widgets/itemviews/qheaderview/qheaderviewtest1.cpp @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com +** Contact: http://www.qt-project.org/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets/QtWidgets> + +class SomeHandler : public QObject +{ + Q_OBJECT + QHeaderView *m_hv; + QTableView *m_tv; +public: + SomeHandler(QHeaderView *hv, QTableView *tv); +public slots: + void slotSectionResized(int, int, int); +}; + +SomeHandler::SomeHandler(QHeaderView *hv, QTableView *tv) +{ + m_hv = hv; + m_tv = tv; + m_tv->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel); + connect(hv, SIGNAL(sectionResized(int, int, int)), this, SLOT(slotSectionResized(int, int, int))); +} +void SomeHandler::slotSectionResized(int logsection, int oldsize, int newsize) +{ + int offset = m_hv->offset(); + m_tv->setUpdatesEnabled(false); + // Do some manual resizing - lets make every section having the new size. + m_hv->blockSignals(true); + for (int u = 0; u < m_hv->count(); ++u) + m_hv->resizeSection(u, newsize); + m_hv->blockSignals(false); + + // Adjust offset and scrollbar. Maybe it isn't 100% perfect + // but proof of concept + // The test has sense without the define, too. +#define DO_CORRECT_OFFSET_AND_SB +#ifdef DO_CORRECT_OFFSET_AND_SB + int leftRemoved = (m_hv->visualIndex(logsection)) * (oldsize - newsize); + int newoffset = offset - leftRemoved; + if (newoffset < 0) + newoffset = 0; + + if (newoffset > 0 && newoffset >= m_hv->count() * newsize - m_tv->viewport()->width()) + m_hv->setOffsetToLastSection(); + else + m_hv->setOffset(newoffset); + + m_tv->horizontalScrollBar()->blockSignals(true); + m_tv->horizontalScrollBar()->setRange(0, m_hv->count() * newsize - m_tv->viewport()->width() ); + m_tv->horizontalScrollBar()->setValue(newoffset); + m_tv->horizontalScrollBar()->blockSignals(false); +#endif + m_tv->setUpdatesEnabled(true); +} + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + QTableView tv; + QStandardItemModel m; + m.setRowCount(10); + m.setColumnCount(36); + tv.setModel(&m); + SomeHandler handler(tv.horizontalHeader(), &tv); + tv.horizontalHeader()->setDefaultSectionSize(200); + tv.showMaximized(); + tv.horizontalScrollBar()->setValue(tv.horizontalScrollBar()->maximum()); + app.exec(); +} + +#include "qheaderviewtest1.moc" |