05fc3aef53
Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
218 lines
7.8 KiB
C++
218 lines
7.8 KiB
C++
// Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QtWidgets/QtWidgets>
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struct ManualTask {
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const char *title;
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const char *instructions;
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unsigned sectionsMovable : 1;
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unsigned selectionMode : 3;
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};
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ManualTask tasks[] = {
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{ QT_TR_NOOP("0. Default"),
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"Please provide instructions",
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true, QAbstractItemView::SingleSelection
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},
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{ QT_TR_NOOP("1. Autoscroll"),
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"<ol>"
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"<li>Press and hold on section 9 of vertical header.<br/>"
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"<em>(all cells in the row will be selected)</em>"
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"</li>"
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"<li>Extend the selection by moving the mouse down.<br/>"
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"<em>(selection will extend to the next rows)</em>"
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"</li>"
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"<li>Continue to move the mouse down and outside the window geometry.<br/>"
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"<em>(The view should scroll automatically and the selection should still extend)</em>"
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"</li>"
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"<li>While still holding the button, do the same in the opposite direction, i.e. move mouse up and outside the window geometry.<br/>"
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"<em>(Verify that the view scrolls automatically and the selection changes)</em>"
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"</li>"
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"<li>Verify that it works in the other dimension, i.e Press and hold section 9 of the horizontal header.<br/>"
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"<em>All cells in the column will be selected</em>"
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"</li>"
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"<li>Extend the selection by moving the mouse to the far right and outside the window geometry.<br/>"
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"<em>(selection will extend to the next columns)</em>"
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"</li>"
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"<li>Verify that it works in the opposite direction (i.e. move mouse to the left of the window geometry).<br/>"
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"<em>(Verify that the view scrolls automatically and the selection changes)</em>"
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"</li>"
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"</ol>",
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false, QAbstractItemView::ExtendedSelection
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}
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};
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class Window : public QWidget
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{
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Q_OBJECT
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public:
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Window(QWidget *parent = nullptr): QWidget(parent), ckMovable(0), tableView(0), cbSelectionMode(0), m_taskInstructions(0)
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{
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m_taskInstructions = new QLabel();
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if (sizeof(tasks) > 0)
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m_taskInstructions->setText(tr(tasks[0].instructions));
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QVBoxLayout *vbox = new QVBoxLayout(this);
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vbox->addLayout(setupComboBox());
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vbox->addWidget(setupGroupBox());
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vbox->addWidget(setupTableView());
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vbox->addWidget(m_taskInstructions);
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}
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void updateControls()
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{
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ckMovable->setChecked(tableView->verticalHeader()->sectionsMovable());
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QAbstractItemView::SelectionMode sMode = tableView->selectionMode();
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cbSelectionMode->setCurrentIndex((int)sMode);
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}
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private:
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QFormLayout *setupComboBox()
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{
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QComboBox *combo = new QComboBox;
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for (size_t i = 0; i < sizeof(tasks) / sizeof(tasks[0]); ++i) {
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combo->addItem(tr(tasks[i].title));
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}
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connect(combo, SIGNAL(currentIndexChanged(int)), this, SLOT(on_taskCombo_currentIndexChanged(int)));
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QFormLayout *form = new QFormLayout;
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form->addRow(tr("Choose task:"), combo);
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return form;
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}
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QGroupBox *setupGroupBox()
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{
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QGroupBox *grp = new QGroupBox(tr("Properties"));
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QFormLayout *form = new QFormLayout;
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grp->setLayout(form);
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ckMovable = new QCheckBox;
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ckMovable->setObjectName(QLatin1String("ckMovable"));
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connect(ckMovable, SIGNAL(toggled(bool)), this, SLOT(on_ckMovable_toggled(bool)));
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form->addRow(tr("SectionsMovable"), ckMovable);
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cbSelectionMode = new QComboBox;
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cbSelectionMode->setObjectName(QLatin1String("cbSelectionMode"));
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cbSelectionMode->addItems(QStringList() << QLatin1String("NoSelection")
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<< QLatin1String("SingleSelection")
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<< QLatin1String("MultiSelection")
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<< QLatin1String("ExtendedSelection")
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<< QLatin1String("ContiguousSelection")
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);
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connect(cbSelectionMode, SIGNAL(currentIndexChanged(int)), this, SLOT(on_cbSelectionMode_currentIndexChanged(int)));
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form->addRow(tr("SelectionMode"), cbSelectionMode);
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return grp;
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}
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QTableView *setupTableView()
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{
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tableView = new QTableView;
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const int rowCount = 200;
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m.setRowCount(rowCount);
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m.setColumnCount(250);
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tableView->setSelectionMode(QAbstractItemView::SingleSelection);
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tableView->setModel(&m);
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tableView->verticalHeader()->swapSections(rowCount - 1, 5);
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return tableView;
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}
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private Q_SLOTS:
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void on_ckMovable_toggled(bool arg)
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{
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tableView->verticalHeader()->setSectionsMovable(arg);
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tableView->horizontalHeader()->setSectionsMovable(arg);
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}
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void on_cbSelectionMode_currentIndexChanged(int idx)
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{
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tableView->setSelectionMode((QAbstractItemView::SelectionMode)idx);
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}
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void on_taskCombo_currentIndexChanged(int idx)
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{
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ManualTask &task = tasks[idx];
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m_taskInstructions->setText(tr(task.instructions));
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ckMovable->setChecked(task.sectionsMovable);
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cbSelectionMode->setCurrentIndex((QAbstractItemView::SelectionMode)task.selectionMode);
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}
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public:
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QCheckBox *ckMovable;
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QTableView *tableView;
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QStandardItemModel m;
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QComboBox *cbSelectionMode;
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QLabel *m_taskInstructions;
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};
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class SomeHandler : public QObject
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{
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Q_OBJECT
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QHeaderView *m_hv;
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QTableView *m_tv;
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public:
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SomeHandler(QHeaderView *hv, QTableView *tv);
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public slots:
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void slotSectionResized(int, int, int);
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};
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SomeHandler::SomeHandler(QHeaderView *hv, QTableView *tv)
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{
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m_hv = hv;
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m_tv = tv;
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m_tv->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
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connect(hv, SIGNAL(sectionResized(int,int,int)), this, SLOT(slotSectionResized(int,int,int)));
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}
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void SomeHandler::slotSectionResized(int logsection, int oldsize, int newsize)
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{
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int offset = m_hv->offset();
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m_tv->setUpdatesEnabled(false);
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// Do some manual resizing - lets make every section having the new size.
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m_hv->blockSignals(true);
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m_hv->setDefaultSectionSize(newsize);
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m_hv->blockSignals(false);
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// Adjust offset and scrollbar. Maybe it isn't 100% perfect
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// but proof of concept
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// The test has sense without the define, too.
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#define DO_CORRECT_OFFSET_AND_SB
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#ifdef DO_CORRECT_OFFSET_AND_SB
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int leftRemoved = (m_hv->visualIndex(logsection)) * (oldsize - newsize);
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int newoffset = offset - leftRemoved;
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if (newoffset < 0)
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newoffset = 0;
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if (newoffset > 0 && newoffset >= m_hv->count() * newsize - m_tv->viewport()->width())
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m_hv->setOffsetToLastSection();
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else
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m_hv->setOffset(newoffset);
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m_tv->horizontalScrollBar()->blockSignals(true);
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m_tv->horizontalScrollBar()->setRange(0, m_hv->count() * newsize - m_tv->viewport()->width() );
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m_tv->horizontalScrollBar()->setValue(newoffset);
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m_tv->horizontalScrollBar()->blockSignals(false);
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#endif
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m_tv->setUpdatesEnabled(true);
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}
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int main(int argc, char *argv[])
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{
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QApplication app(argc, argv);
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Window window;
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// Comment in the line below to test selection with keyboard (space)
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// tv.setEditTriggers(QAbstractItemView::NoEditTriggers);
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QHeaderView *hHeader = window.tableView->horizontalHeader();
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QHeaderView *vHeader = window.tableView->verticalHeader();
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SomeHandler handler(hHeader, window.tableView);
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hHeader->setDefaultSectionSize(30);
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window.resize(600, 600);
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window.show();
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hHeader->setSectionsMovable(true);
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vHeader->setSectionsMovable(true);
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window.updateControls();
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app.exec();
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}
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#include "qheaderviewtest1.moc"
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