Advance Wayland and KDE package bring-up
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
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/*
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This file is part of the KDE project
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SPDX-FileCopyrightText: 2007-2008 Rafael Fernández López <ereslibre@kde.org>
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SPDX-FileCopyrightText: 2008 Kevin Ottens <ervin@kde.org>
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SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#include <QAbstractItemView>
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#include <QApplication>
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#include <QDebug>
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#include <QLineEdit>
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#include <QListView>
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#include <QMainWindow>
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#include <QMenu>
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#include <QMessageBox>
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#include <QPaintEvent>
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#include <QPainter>
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#include <QPushButton>
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#include <QRadialGradient>
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#include <QStringListModel>
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#include <QToolButton>
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#include <kwidgetitemdelegate.h>
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#define HARDCODED_BORDER 10
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#define EQUALLY_SIZED_TOOLBUTTONS 1
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#if EQUALLY_SIZED_TOOLBUTTONS
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#include <QStyleOptionToolButton>
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#endif
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class TestWidget : public QWidget
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{
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Q_OBJECT
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public:
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TestWidget(QWidget *parent = nullptr)
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: QWidget(parent)
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{
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setMouseTracking(true);
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setAttribute(Qt::WA_Hover);
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}
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~TestWidget() override
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{
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}
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QSize sizeHint() const override
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{
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return QSize(30, 30);
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}
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protected:
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void paintEvent(QPaintEvent *event) override
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{
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QPainter p(this);
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QRadialGradient radialGrad(QPointF(event->rect().width() / 2, event->rect().height() / 2), qMin(event->rect().width() / 2, event->rect().height() / 2));
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if (underMouse()) {
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radialGrad.setColorAt(0, Qt::green);
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} else {
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radialGrad.setColorAt(0, Qt::red);
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}
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radialGrad.setColorAt(1, Qt::transparent);
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p.fillRect(event->rect(), radialGrad);
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p.setPen(Qt::black);
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p.drawLine(0, 15, 30, 15);
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p.drawLine(15, 0, 15, 30);
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p.end();
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}
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bool event(QEvent *event) override
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{
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if (event->type() == QEvent::MouseButtonPress) {
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QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
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if (mouseEvent->pos().x() > 15 //
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&& mouseEvent->pos().y() < 15) {
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qDebug() << "First quarter";
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} else if (mouseEvent->pos().x() < 15 //
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&& mouseEvent->pos().y() < 15) {
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qDebug() << "Second quarter";
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} else if (mouseEvent->pos().x() < 15 //
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&& mouseEvent->pos().y() > 15) {
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qDebug() << "Third quarter";
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} else {
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qDebug() << "Forth quarter";
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}
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}
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return QWidget::event(event);
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}
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};
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class MyDelegate : public KWidgetItemDelegate
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{
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Q_OBJECT
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public:
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MyDelegate(QAbstractItemView *itemView, QObject *parent = nullptr)
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: KWidgetItemDelegate(itemView, parent)
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{
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for (int i = 0; i < 100; i++) {
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installed[i] = i % 5;
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}
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}
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~MyDelegate() override
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{
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}
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QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override
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{
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Q_UNUSED(option);
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Q_UNUSED(index);
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return sizeHint();
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}
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QSize sizeHint() const
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{
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return QSize(600, 60);
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}
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void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override
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{
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Q_UNUSED(index);
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painter->save();
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itemView()->style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter, nullptr);
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if (option.state & QStyle::State_Selected) {
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painter->setPen(option.palette.highlightedText().color());
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}
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painter->restore();
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}
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QList<QWidget *> createItemWidgets(const QModelIndex &index) const override
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{
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Q_UNUSED(index);
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QPushButton *button = new QPushButton();
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QToolButton *toolButton = new QToolButton();
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setBlockedEventTypes(button, QList<QEvent::Type>() << QEvent::MouseButtonPress << QEvent::MouseButtonRelease << QEvent::MouseButtonDblClick);
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setBlockedEventTypes(toolButton, QList<QEvent::Type>() << QEvent::MouseButtonPress << QEvent::MouseButtonRelease << QEvent::MouseButtonDblClick);
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connect(button, SIGNAL(clicked(bool)), this, SLOT(mySlot()));
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connect(toolButton, SIGNAL(triggered(QAction *)), this, SLOT(mySlot2()));
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connect(toolButton, SIGNAL(clicked(bool)), this, SLOT(mySlot3()));
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return QList<QWidget *>() << button << new TestWidget() << new QLineEdit() << toolButton;
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}
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void updateItemWidgets(const QList<QWidget *> &widgets, const QStyleOptionViewItem &option, const QPersistentModelIndex &index) const override
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{
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QPushButton *button = static_cast<QPushButton *>(widgets[0]);
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button->setText(QStringLiteral("Test me"));
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button->setIcon(QIcon::fromTheme(QStringLiteral("kde")));
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button->resize(button->sizeHint());
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button->move(HARDCODED_BORDER, sizeHint().height() / 2 - button->height() / 2);
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TestWidget *testWidget = static_cast<TestWidget *>(widgets[1]);
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testWidget->resize(testWidget->sizeHint());
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testWidget->move(2 * HARDCODED_BORDER + button->sizeHint().width(), //
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sizeHint().height() / 2 - testWidget->size().height() / 2);
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// Hide the test widget when row can be divided by three
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testWidget->setVisible((index.row() % 3) != 0);
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QLineEdit *lineEdit = static_cast<QLineEdit *>(widgets[2]);
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lineEdit->setClearButtonEnabled(true);
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lineEdit->resize(lineEdit->sizeHint());
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lineEdit->move(3 * HARDCODED_BORDER + button->sizeHint().width() + testWidget->sizeHint().width(),
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sizeHint().height() / 2 - lineEdit->size().height() / 2);
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QToolButton *toolButton = static_cast<QToolButton *>(widgets[3]);
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if (!toolButton->menu()) {
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QMenu *myMenu = new QMenu(toolButton);
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myMenu->addAction(QStringLiteral("Save"));
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myMenu->addAction(QStringLiteral("Load"));
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myMenu->addSeparator();
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myMenu->addAction(QStringLiteral("Close"));
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toolButton->setMenu(myMenu);
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}
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toolButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
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toolButton->setPopupMode(QToolButton::MenuButtonPopup);
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if (installed[index.row()]) {
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toolButton->setText(QStringLiteral("Uninstall"));
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} else {
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toolButton->setText(QStringLiteral("Install"));
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}
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toolButton->resize(toolButton->sizeHint());
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#if EQUALLY_SIZED_TOOLBUTTONS
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QStyleOptionToolButton toolButtonOpt;
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toolButtonOpt.initFrom(toolButton);
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toolButtonOpt.features = QStyleOptionToolButton::MenuButtonPopup;
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toolButtonOpt.arrowType = Qt::DownArrow;
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toolButtonOpt.toolButtonStyle = Qt::ToolButtonTextBesideIcon;
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toolButtonOpt.text = "Install";
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int widthInstall = QApplication::style()
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->sizeFromContents(QStyle::CT_ToolButton,
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&toolButtonOpt,
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QSize(option.fontMetrics.boundingRect(QStringLiteral("Install")).width() + HARDCODED_BORDER * 3,
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option.fontMetrics.height()),
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toolButton)
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.width();
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toolButtonOpt.text = "Uninstall";
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int widthUninstall = QApplication::style()
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->sizeFromContents(QStyle::CT_ToolButton,
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&toolButtonOpt,
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QSize(option.fontMetrics.boundingRect(QStringLiteral("Uninstall")).width() + HARDCODED_BORDER * 3,
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option.fontMetrics.height()),
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toolButton)
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.width();
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QSize size = toolButton->sizeHint();
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size.setWidth(qMax(widthInstall, widthUninstall));
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toolButton->resize(size);
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#endif
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toolButton->move(option.rect.width() - toolButton->size().width() - HARDCODED_BORDER, //
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sizeHint().height() / 2 - toolButton->size().height() / 2);
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// Eat more space
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lineEdit->resize(option.rect.width() - toolButton->width() - testWidget->width() - button->width() - 5 * HARDCODED_BORDER, lineEdit->height());
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}
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private Q_SLOTS:
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void mySlot()
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{
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QMessageBox::information(nullptr, QStringLiteral("Button clicked"), QStringLiteral("The button in row %1 was clicked").arg(focusedIndex().row()));
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}
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void mySlot2()
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{
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QMessageBox::information(nullptr,
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QStringLiteral("Toolbutton menu item clicked"),
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QStringLiteral("A menu item was triggered in row %1").arg(focusedIndex().row()));
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}
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void mySlot3()
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{
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bool isInstalled = installed[focusedIndex().row()];
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installed[focusedIndex().row()] = !isInstalled;
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const_cast<QAbstractItemModel *>(focusedIndex().model())->setData(focusedIndex(), QStringLiteral("makemodelbeupdated"));
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}
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private:
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bool installed[100];
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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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QMainWindow *mainWindow = new QMainWindow();
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mainWindow->setMinimumSize(640, 480);
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QListView *listView = new QListView();
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QStringListModel *model = new QStringListModel();
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model->insertRows(0, 100);
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for (int i = 0; i < 100; ++i) {
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model->setData(model->index(i, 0), QString("Test " + QString::number(i)), Qt::DisplayRole);
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}
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listView->setModel(model);
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MyDelegate *myDelegate = new MyDelegate(listView);
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listView->setItemDelegate(myDelegate);
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listView->setVerticalScrollMode(QListView::ScrollPerPixel);
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mainWindow->setCentralWidget(listView);
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mainWindow->show();
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model->removeRows(0, 95);
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return app.exec();
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}
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#include "kwidgetitemdelegatetest.moc"
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