src/settings/serviceitemdelegate.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "serviceitemdelegate.h"
   8
   9 #include "servicemodel.h"
  10
  11 #include <QAbstractItemView>
  12 #include <QCheckBox>
  13 #include <QPainter>
  14 #include <QPushButton>
  15
  16 ServiceItemDelegate::ServiceItemDelegate(QAbstractItemView *itemView, QObject *parent)
  17     : KWidgetItemDelegate(itemView, parent)
  18 {
  19 }
  20
  21 ServiceItemDelegate::~ServiceItemDelegate()
  22 {
  23 }
  24
  25 QSize ServiceItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
  26 {
  27     Q_UNUSED(index)
  28
  29     const QStyle *style = itemView()->style();
  30     const int buttonHeight = style->pixelMetric(QStyle::PM_ButtonMargin) * 2 + style->pixelMetric(QStyle::PM_ButtonIconSize);
  31     const int fontHeight = option.fontMetrics.height();
  32     return QSize(100, qMax(buttonHeight, fontHeight));
  33 }
  34
  35 void ServiceItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
  36 {
  37     Q_UNUSED(index)
  38     painter->save();
  39
  40     itemView()->style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter);
  41
  42     if (option.state & QStyle::State_Selected) {
  43         painter->setPen(option.palette.highlightedText().color());
  44     }
  45
  46     painter->restore();
  47 }
  48
  49 QList<QWidget *> ServiceItemDelegate::createItemWidgets(const QModelIndex &) const
  50 {
  51     QCheckBox *checkBox = new QCheckBox();
  52     QPalette palette = checkBox->palette();
  53     palette.setColor(QPalette::WindowText, palette.color(QPalette::Text));
  54     checkBox->setPalette(palette);
  55     connect(checkBox, &QCheckBox::clicked, this, &ServiceItemDelegate::slotCheckBoxClicked);
  56
  57     QPushButton *configureButton = new QPushButton();
  58     connect(configureButton, &QPushButton::clicked, this, &ServiceItemDelegate::slotConfigureButtonClicked);
  59
  60     return {checkBox, configureButton};
  61 }
  62
  63 void ServiceItemDelegate::updateItemWidgets(const QList<QWidget *> &widgets, const QStyleOptionViewItem &option, const QPersistentModelIndex &index) const
  64 {
  65     QCheckBox *checkBox = static_cast<QCheckBox *>(widgets[0]);
  66     QPushButton *configureButton = static_cast<QPushButton *>(widgets[1]);
  67
  68     const int itemHeight = sizeHint(option, index).height();
  69
  70     // Update the checkbox showing the service name and icon
  71     const QAbstractItemModel *model = index.model();
  72     checkBox->setText(model->data(index).toString());
  73     const QString iconName = model->data(index, Qt::DecorationRole).toString();
  74     if (!iconName.isEmpty()) {
  75         checkBox->setIcon(QIcon::fromTheme(iconName));
  76     }
  77     checkBox->setChecked(model->data(index, Qt::CheckStateRole).toBool());
  78
  79     const bool configurable = model->data(index, ServiceModel::ConfigurableRole).toBool();
  80
  81     int checkBoxWidth = option.rect.width();
  82     if (configurable) {
  83         checkBoxWidth -= configureButton->sizeHint().width();
  84     }
  85     checkBox->resize(checkBoxWidth, checkBox->sizeHint().height());
  86     checkBox->move(0, (itemHeight - checkBox->height()) / 2);
  87
  88     // Update the configuration button
  89     if (configurable) {
  90         configureButton->setEnabled(checkBox->isChecked());
  91         configureButton->setIcon(QIcon::fromTheme(QStringLiteral("configure")));
  92         configureButton->resize(configureButton->sizeHint());
  93         configureButton->move(option.rect.right() - configureButton->width(), (itemHeight - configureButton->height()) / 2);
  94     }
  95     configureButton->setVisible(configurable);
  96 }
  97
  98 void ServiceItemDelegate::slotCheckBoxClicked(bool checked)
  99 {
 100     QAbstractItemModel *model = const_cast<QAbstractItemModel *>(focusedIndex().model());
 101     model->setData(focusedIndex(), checked, Qt::CheckStateRole);
 102 }
 103
 104 void ServiceItemDelegate::slotConfigureButtonClicked()
 105 {
 106     Q_EMIT requestServiceConfiguration(focusedIndex());
 107 }