File indexing completed on 2024-11-10 04:57:19

0001 /*
0002     SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
0003 
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006 
0007 #include "virtualdesktopmodel.h"
0008 #include "virtualdesktops.h"
0009 
0010 namespace KWin
0011 {
0012 
0013 VirtualDesktopModel::VirtualDesktopModel(QObject *parent)
0014     : QAbstractListModel(parent)
0015 {
0016     VirtualDesktopManager *manager = VirtualDesktopManager::self();
0017 
0018     connect(manager, &VirtualDesktopManager::desktopAdded,
0019             this, &VirtualDesktopModel::handleVirtualDesktopAdded);
0020     connect(manager, &VirtualDesktopManager::desktopRemoved,
0021             this, &VirtualDesktopModel::handleVirtualDesktopRemoved);
0022 
0023     m_virtualDesktops = manager->desktops();
0024 }
0025 
0026 VirtualDesktop *VirtualDesktopModel::create(uint position, const QString &name)
0027 {
0028     return VirtualDesktopManager::self()->createVirtualDesktop(position, name);
0029 }
0030 
0031 void VirtualDesktopModel::remove(uint position)
0032 {
0033     if (position < m_virtualDesktops.count()) {
0034         VirtualDesktopManager::self()->removeVirtualDesktop(m_virtualDesktops[position]);
0035     }
0036 }
0037 
0038 void VirtualDesktopModel::handleVirtualDesktopAdded(VirtualDesktop *desktop)
0039 {
0040     const int position = desktop->x11DesktopNumber() - 1;
0041     beginInsertRows(QModelIndex(), position, position);
0042     m_virtualDesktops.insert(position, desktop);
0043     endInsertRows();
0044 }
0045 
0046 void VirtualDesktopModel::handleVirtualDesktopRemoved(VirtualDesktop *desktop)
0047 {
0048     const int index = m_virtualDesktops.indexOf(desktop);
0049     Q_ASSERT(index != -1);
0050 
0051     beginRemoveRows(QModelIndex(), index, index);
0052     m_virtualDesktops.removeAt(index);
0053     endRemoveRows();
0054 }
0055 
0056 QHash<int, QByteArray> VirtualDesktopModel::roleNames() const
0057 {
0058     QHash<int, QByteArray> roleNames = QAbstractListModel::roleNames();
0059     roleNames.insert(DesktopRole, QByteArrayLiteral("desktop"));
0060     return roleNames;
0061 }
0062 
0063 VirtualDesktop *VirtualDesktopModel::desktopFromIndex(const QModelIndex &index) const
0064 {
0065     if (!index.isValid() || index.row() < 0 || index.row() >= m_virtualDesktops.count()) {
0066         return nullptr;
0067     }
0068     return m_virtualDesktops[index.row()];
0069 }
0070 
0071 QVariant VirtualDesktopModel::data(const QModelIndex &index, int role) const
0072 {
0073     VirtualDesktop *desktop = desktopFromIndex(index);
0074     if (!desktop) {
0075         return QVariant();
0076     }
0077     switch (role) {
0078     case Qt::DisplayRole:
0079     case DesktopRole:
0080         return QVariant::fromValue(desktop);
0081     default:
0082         return QVariant();
0083     }
0084 }
0085 
0086 int VirtualDesktopModel::rowCount(const QModelIndex &parent) const
0087 {
0088     return parent.isValid() ? 0 : m_virtualDesktops.count();
0089 }
0090 
0091 } // namespace KWin
0092 
0093 #include "moc_virtualdesktopmodel.cpp"