File indexing completed on 2026-08-09 12:02:24

 /*
     SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 #include "buttonsmodel.h"
 
 #include <KLocalizedString>
 
 #include <QFontDatabase>
 
 namespace KDecoration2
 {
 
 namespace Preview
 {
 
 ButtonsModel::ButtonsModel(const QVector<DecorationButtonType> &buttons, QObject *parent)
     : QAbstractListModel(parent)
     , m_buttons(buttons)
 {
 }
 
 ButtonsModel::ButtonsModel(QObject *parent)
     : ButtonsModel(QVector<DecorationButtonType>({DecorationButtonType::Menu,
                                                   DecorationButtonType::ApplicationMenu,
                                                   DecorationButtonType::OnAllDesktops,
                                                   DecorationButtonType::Minimize,
                                                   DecorationButtonType::Maximize,
                                                   DecorationButtonType::Close,
                                                   DecorationButtonType::ContextHelp,
                                                   DecorationButtonType::Shade,
                                                   DecorationButtonType::KeepBelow,
                                                   DecorationButtonType::KeepAbove}),
                    parent)
 {
 }
 
 ButtonsModel::~ButtonsModel() = default;
 
 int ButtonsModel::rowCount(const QModelIndex &parent) const
 {
     if (parent.isValid()) {
         return 0;
     }
     return m_buttons.count();
 }
 
 static QString buttonToName(DecorationButtonType type)
 {
     switch (type) {
     case DecorationButtonType::Menu:
         return i18n("More actions for this window");
     case DecorationButtonType::ApplicationMenu:
         return i18n("Application menu");
     case DecorationButtonType::OnAllDesktops:
         return i18n("On all desktops");
     case DecorationButtonType::Minimize:
         return i18n("Minimize");
     case DecorationButtonType::Maximize:
         return i18n("Maximize");
     case DecorationButtonType::Close:
         return i18n("Close");
     case DecorationButtonType::ContextHelp:
         return i18n("Context help");
     case DecorationButtonType::Shade:
         return i18n("Shade");
     case DecorationButtonType::KeepBelow:
         return i18n("Keep below other windows");
     case DecorationButtonType::KeepAbove:
         return i18n("Keep above other windows");
     default:
         return QString();
     }
 }
 
 QVariant ButtonsModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid() || index.row() < 0 || index.row() >= m_buttons.count() || index.column() != 0) {
         return QVariant();
     }
     switch (role) {
     case Qt::DisplayRole:
         return buttonToName(m_buttons.at(index.row()));
     case Qt::UserRole:
         return QVariant::fromValue(int(m_buttons.at(index.row())));
     }
     return QVariant();
 }
 
 QHash<int, QByteArray> ButtonsModel::roleNames() const
 {
     QHash<int, QByteArray> roles;
     roles.insert(Qt::DisplayRole, QByteArrayLiteral("display"));
     roles.insert(Qt::UserRole, QByteArrayLiteral("button"));
     return roles;
 }
 
 void ButtonsModel::remove(int row)
 {
     if (row < 0 || row >= m_buttons.count()) {
         return;
     }
     beginRemoveRows(QModelIndex(), row, row);
     m_buttons.removeAt(row);
     endRemoveRows();
 }
 
 void ButtonsModel::down(int index)
 {
     if (m_buttons.count() < 2 || index == m_buttons.count() - 1) {
         return;
     }
     beginMoveRows(QModelIndex(), index, index, QModelIndex(), index + 2);
     m_buttons.insert(index + 1, m_buttons.takeAt(index));
     endMoveRows();
 }
 
 void ButtonsModel::up(int index)
 {
     if (m_buttons.count() < 2 || index == 0) {
         return;
     }
     beginMoveRows(QModelIndex(), index, index, QModelIndex(), index - 1);
     m_buttons.insert(index - 1, m_buttons.takeAt(index));
     endMoveRows();
 }
 
 void ButtonsModel::add(DecorationButtonType type)
 {
     beginInsertRows(QModelIndex(), m_buttons.count(), m_buttons.count());
     m_buttons.append(type);
     endInsertRows();
 }
 
 void ButtonsModel::add(int index, int type)
 {
     beginInsertRows(QModelIndex(), index, index);
     m_buttons.insert(index, KDecoration2::DecorationButtonType(type));
     endInsertRows();
 }
 
 void ButtonsModel::move(int sourceIndex, int targetIndex)
 {
     if (sourceIndex == std::max(0, targetIndex)) {
         return;
     }
 
     /* When moving an item down, the destination index needs to be incremented
        by one, as explained in the documentation:
        https://doc.qt.io/qt-5/qabstractitemmodel.html#beginMoveRows */
     if (targetIndex > sourceIndex) {
         // Row will be moved down
         beginMoveRows(QModelIndex(), sourceIndex, sourceIndex, QModelIndex(), targetIndex + 1);
     } else {
         beginMoveRows(QModelIndex(), sourceIndex, sourceIndex, QModelIndex(), std::max(0, targetIndex));
     }
 
     m_buttons.move(sourceIndex, std::max(0, targetIndex));
     endMoveRows();
 }
 
 void ButtonsModel::clear()
 {
     beginResetModel();
     m_buttons.clear();
     endResetModel();
 }
 
 void ButtonsModel::replace(const QVector<DecorationButtonType> &buttons)
 {
     if (buttons.isEmpty()) {
         return;
     }
 
     beginResetModel();
     m_buttons = buttons;
     endResetModel();
 }
 
 }
 }