File indexing completed on 2024-04-28 05:11:30

 /*
  * SPDX-FileCopyrightText: 2014 Sandro Knauß <knauss@kolabsys.com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later WITH Qt-Commercial-exception-1.0
  */
 
 #include "attendeecomboboxdelegate.h"
 
 #include "attendeeline.h"
 
 #include <QAbstractItemView>
 #include <QApplication>
 #include <QHelpEvent>
 #include <QMenu>
 #include <QToolTip>
 #include <QWhatsThis>
 
 using namespace IncidenceEditorNG;
 
 AttendeeComboBoxDelegate::AttendeeComboBoxDelegate(QObject *parent)
     : QStyledItemDelegate(parent)
 {
     connect(this, &AttendeeComboBoxDelegate::closeEditor, this, &AttendeeComboBoxDelegate::doCloseEditor);
 }
 
 void AttendeeComboBoxDelegate::addItem(const QIcon &icon, const QString &text)
 {
     QPair<QIcon, QString> pair;
     pair.first = icon;
     pair.second = text;
     mEntries << pair;
 }
 
 void AttendeeComboBoxDelegate::clear()
 {
     mEntries.clear();
 }
 
 void AttendeeComboBoxDelegate::setToolTip(const QString &tT)
 {
     mToolTip = tT;
 }
 
 void AttendeeComboBoxDelegate::setWhatsThis(const QString &wT)
 {
     mWhatsThis = wT;
 }
 
 void AttendeeComboBoxDelegate::setStandardIndex(int index)
 {
     mStandardIndex = index;
 }
 
 QWidget *AttendeeComboBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem & /* option */, const QModelIndex & /* index */) const
 {
     auto editor = new AttendeeComboBox(parent);
 
     for (const QPair<QIcon, QString> &pair : std::as_const(mEntries)) {
         editor->addItem(pair.first, pair.second);
     }
 
     connect(editor, &AttendeeComboBox::leftPressed, this, &AttendeeComboBoxDelegate::leftPressed);
     connect(editor, &AttendeeComboBox::rightPressed, this, &AttendeeComboBoxDelegate::rightPressed);
 
     editor->setPopupMode(QToolButton::MenuButtonPopup);
     editor->setToolTip(mToolTip);
     editor->setWhatsThis(mWhatsThis);
     return editor;
 }
 
 void AttendeeComboBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
 {
     auto comboBox = static_cast<AttendeeComboBox *>(editor);
     int value = index.model()->data(index, Qt::EditRole).toUInt();
     if (value >= mEntries.count()) {
         value = mStandardIndex;
     }
     comboBox->setCurrentIndex(value);
 }
 
 void AttendeeComboBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
 {
     auto comboBox = static_cast<AttendeeComboBox *>(editor);
     model->setData(index, comboBox->currentIndex(), Qt::EditRole);
     comboBox->menu()->close();
 }
 
 void AttendeeComboBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex & /* index */) const
 {
     editor->setGeometry(option.rect);
 }
 
 void AttendeeComboBoxDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
     QStyleOptionButton myOption;
 
     int value = index.model()->data(index).toUInt();
     if (value >= mEntries.count()) {
         value = mStandardIndex;
     }
 
     myOption.rect = option.rect;
     myOption.state = option.state;
     myOption.icon = mEntries[value].first;
     myOption.iconSize = myOption.icon.actualSize(option.rect.size());
 
     QApplication::style()->drawControl(QStyle::CE_PushButton, &myOption, painter);
 }
 
 bool AttendeeComboBoxDelegate::eventFilter(QObject *editor, QEvent *event)
 {
     if (event->type() == QEvent::Enter) {
         auto comboBox = static_cast<AttendeeComboBox *>(editor);
         comboBox->showMenu();
         return editor->eventFilter(editor, event);
     }
 
     return QStyledItemDelegate::eventFilter(editor, event);
 }
 
 void AttendeeComboBoxDelegate::doCloseEditor(QWidget *editor)
 {
     auto comboBox = static_cast<AttendeeComboBox *>(editor);
     comboBox->menu()->close();
 }
 
 void AttendeeComboBoxDelegate::leftPressed()
 {
     Q_EMIT closeEditor(static_cast<QWidget *>(QObject::sender()), QAbstractItemDelegate::EditPreviousItem);
 }
 
 void AttendeeComboBoxDelegate::rightPressed()
 {
     Q_EMIT closeEditor(static_cast<QWidget *>(QObject::sender()), QAbstractItemDelegate::EditNextItem);
 }
 
 bool AttendeeComboBoxDelegate::helpEvent(QHelpEvent *event, QAbstractItemView *view, const QStyleOptionViewItem &option, const QModelIndex &index)
 {
     if (!event || !view) {
         return false;
     }
     switch (event->type()) {
 #ifndef QT_NO_TOOLTIP
     case QEvent::ToolTip: {
         QToolTip::showText(event->globalPos(), mToolTip, view);
         return true;
     }
 #endif
 #ifndef QT_NO_WHATSTHIS
     case QEvent::QueryWhatsThis:
         return true;
     case QEvent::WhatsThis: {
         QWhatsThis::showText(event->globalPos(), mWhatsThis, view);
         return true;
     }
 #endif
     default:
         break;
     }
     return QStyledItemDelegate::helpEvent(event, view, option, index);
 }
 
 #include "moc_attendeecomboboxdelegate.cpp"