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,
  26                                     const QModelIndex &index) const
  27 {
  28     Q_UNUSED(index)
  29
  30     const QStyle *style = itemView()->style();
  31     const int buttonHeight = style->pixelMetric(QStyle::PM_ButtonMargin) * 2 +
  32                              style->pixelMetric(QStyle::PM_ButtonIconSize);
  33     const int fontHeight = option.fontMetrics.height();
  34     return QSize(100, qMax(buttonHeight, fontHeight));
  35 }
  36
  37 void ServiceItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option,
  38                                   const QModelIndex& index) const
  39 {
  40     Q_UNUSED(index)
  41     painter->save();
  42
  43     itemView()->style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter);
  44
  45     if (option.state & QStyle::State_Selected) {
  46         painter->setPen(option.palette.highlightedText().color());
  47     }
  48
  49     painter->restore();
  50 }
  51
  52 QList<QWidget*> ServiceItemDelegate::createItemWidgets(const QModelIndex&) const
  53 {
  54     QCheckBox* checkBox = new QCheckBox();
  55     QPalette palette = checkBox->palette();
  56     palette.setColor(QPalette::WindowText, palette.color(QPalette::Text));
  57     checkBox->setPalette(palette);
  58     connect(checkBox, &QCheckBox::clicked, this, &ServiceItemDelegate::slotCheckBoxClicked);
  59
  60     QPushButton* configureButton = new QPushButton();
  61     connect(configureButton, &QPushButton::clicked, this, &ServiceItemDelegate::slotConfigureButtonClicked);
  62
  63     return {checkBox, configureButton};
  64 }
  65
  66 void ServiceItemDelegate::updateItemWidgets(const QList<QWidget*> widgets,
  67                                               const QStyleOptionViewItem& option,
  68                                               const QPersistentModelIndex& index) const
  69 {
  70     QCheckBox* checkBox = static_cast<QCheckBox*>(widgets[0]);
  71     QPushButton *configureButton = static_cast<QPushButton*>(widgets[1]);
  72
  73     const int itemHeight = sizeHint(option, index).height();
  74
  75     // Update the checkbox showing the service name and icon
  76     const QAbstractItemModel* model = index.model();
  77     checkBox->setText(model->data(index).toString());
  78     const QString iconName = model->data(index, Qt::DecorationRole).toString();
  79     if (!iconName.isEmpty()) {
  80         checkBox->setIcon(QIcon::fromTheme(iconName));
  81     }
  82     checkBox->setChecked(model->data(index, Qt::CheckStateRole).toBool());
  83
  84     const bool configurable = model->data(index, ServiceModel::ConfigurableRole).toBool();
  85
  86     int checkBoxWidth = option.rect.width();
  87     if (configurable) {
  88         checkBoxWidth -= configureButton->sizeHint().width();
  89     }
  90     checkBox->resize(checkBoxWidth, checkBox->sizeHint().height());
  91     checkBox->move(0, (itemHeight - checkBox->height()) / 2);
  92
  93     // Update the configuration button
  94     if (configurable) {
  95         configureButton->setEnabled(checkBox->isChecked());
  96         configureButton->setIcon(QIcon::fromTheme(QStringLiteral("configure")));
  97         configureButton->resize(configureButton->sizeHint());
  98         configureButton->move(option.rect.right() - configureButton->width(),
  99                               (itemHeight - configureButton->height()) / 2);
 100     }
 101     configureButton->setVisible(configurable);
 102 }
 103
 104 void ServiceItemDelegate::slotCheckBoxClicked(bool checked)
 105 {
 106     QAbstractItemModel* model = const_cast<QAbstractItemModel*>(focusedIndex().model());
 107     model->setData(focusedIndex(), checked, Qt::CheckStateRole);
 108 }
 109
 110 void ServiceItemDelegate::slotConfigureButtonClicked()
 111 {
 112     Q_EMIT requestServiceConfiguration(focusedIndex());
 113 }
 114