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/****************************************************************************
**
** Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtWidgets/QtWidgets>
struct ManualTask {
const char *title;
const char *instructions;
unsigned sectionsMovable : 1;
unsigned selectionMode : 3;
};
ManualTask tasks[] = {
{ QT_TR_NOOP("0. Default"),
"Please provide instructions",
true, QAbstractItemView::SingleSelection
},
{ QT_TR_NOOP("1. Autoscroll"),
"<ol>"
"<li>Press and hold on section 9 of vertical header.<br/>"
"<em>(all cells in the row will be selected)</em>"
"</li>"
"<li>Extend the selection by moving the mouse down.<br/>"
"<em>(selection will extend to the next rows)</em>"
"</li>"
"<li>Continue to move the mouse down and outside the window geometry.<br/>"
"<em>(The view should scroll automatically and the selection should still extend)</em>"
"</li>"
"<li>While still holding the button, do the same in the opposite direction, i.e. move mouse up and outside the window geometry.<br/>"
"<em>(Verify that the view scrolls automatically and the selection changes)</em>"
"</li>"
"<li>Verify that it works in the other dimension, i.e Press and hold section 9 of the horizontal header.<br/>"
"<em>All cells in the column will be selected</em>"
"</li>"
"<li>Extend the selection by moving the mouse to the far right and outside the window geometry.<br/>"
"<em>(selection will extend to the next columns)</em>"
"</li>"
"<li>Verify that it works in the opposite direction (i.e. move mouse to the left of the window geometry).<br/>"
"<em>(Verify that the view scrolls automatically and the selection changes)</em>"
"</li>"
"</ol>",
false, QAbstractItemView::ExtendedSelection
}
};
class Window : public QWidget
{
Q_OBJECT
public:
Window(QWidget *parent = 0): QWidget(parent), ckMovable(0), tableView(0), cbSelectionMode(0), m_taskInstructions(0)
{
m_taskInstructions = new QLabel();
if (sizeof(tasks) > 0)
m_taskInstructions->setText(tr(tasks[0].instructions));
QVBoxLayout *vbox = new QVBoxLayout(this);
vbox->addLayout(setupComboBox());
vbox->addWidget(setupGroupBox());
vbox->addWidget(setupTableView());
vbox->addWidget(m_taskInstructions);
}
void updateControls()
{
ckMovable->setChecked(tableView->verticalHeader()->sectionsMovable());
QAbstractItemView::SelectionMode sMode = tableView->selectionMode();
cbSelectionMode->setCurrentIndex((int)sMode);
}
private:
QFormLayout *setupComboBox()
{
QComboBox *combo = new QComboBox;
for (size_t i = 0; i < sizeof(tasks) / sizeof(tasks[0]); ++i) {
combo->addItem(tr(tasks[i].title));
}
connect(combo, SIGNAL(currentIndexChanged(int)), this, SLOT(on_taskCombo_currentIndexChanged(int)));
QFormLayout *form = new QFormLayout;
form->addRow(tr("Choose task:"), combo);
return form;
}
QGroupBox *setupGroupBox()
{
QGroupBox *grp = new QGroupBox(tr("Properties"));
QFormLayout *form = new QFormLayout;
grp->setLayout(form);
ckMovable = new QCheckBox;
ckMovable->setObjectName(QLatin1String("ckMovable"));
connect(ckMovable, SIGNAL(toggled(bool)), this, SLOT(on_ckMovable_toggled(bool)));
form->addRow(tr("SectionsMovable"), ckMovable);
cbSelectionMode = new QComboBox;
cbSelectionMode->setObjectName(QLatin1String("cbSelectionMode"));
cbSelectionMode->addItems(QStringList() << QLatin1String("NoSelection")
<< QLatin1String("SingleSelection")
<< QLatin1String("MultiSelection")
<< QLatin1String("ExtendedSelection")
<< QLatin1String("ContiguousSelection")
);
connect(cbSelectionMode, SIGNAL(currentIndexChanged(int)), this, SLOT(on_cbSelectionMode_currentIndexChanged(int)));
form->addRow(tr("SelectionMode"), cbSelectionMode);
return grp;
}
QTableView *setupTableView()
{
tableView = new QTableView;
const int rowCount = 200;
m.setRowCount(rowCount);
m.setColumnCount(250);
tableView->setSelectionMode(QAbstractItemView::SingleSelection);
tableView->setModel(&m);
tableView->verticalHeader()->swapSections(rowCount - 1, 5);
return tableView;
}
private Q_SLOTS:
void on_ckMovable_toggled(bool arg)
{
tableView->verticalHeader()->setSectionsMovable(arg);
tableView->horizontalHeader()->setSectionsMovable(arg);
}
void on_cbSelectionMode_currentIndexChanged(int idx)
{
tableView->setSelectionMode((QAbstractItemView::SelectionMode)idx);
}
void on_taskCombo_currentIndexChanged(int idx)
{
ManualTask &task = tasks[idx];
m_taskInstructions->setText(tr(task.instructions));
ckMovable->setChecked(task.sectionsMovable);
cbSelectionMode->setCurrentIndex((QAbstractItemView::SelectionMode)task.selectionMode);
}
public:
QCheckBox *ckMovable;
QTableView *tableView;
QStandardItemModel m;
QComboBox *cbSelectionMode;
QLabel *m_taskInstructions;
};
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);
m_hv->setDefaultSectionSize(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);
Window window;
// Comment in the line below to test selection with keyboard (space)
// tv.setEditTriggers(QAbstractItemView::NoEditTriggers);
QHeaderView *hHeader = window.tableView->horizontalHeader();
QHeaderView *vHeader = window.tableView->verticalHeader();
SomeHandler handler(hHeader, window.tableView);
hHeader->setDefaultSectionSize(30);
window.resize(600, 600);
window.show();
hHeader->setSectionsMovable(true);
vHeader->setSectionsMovable(true);
window.updateControls();
app.exec();
}
#include "qheaderviewtest1.moc"
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