790e717c82
Test Plan: kcmshell5 kcm_kwin_virtualdesktops kcm works as before Reviewers: #kwin, ervin, crossi, zzag Reviewed By: #kwin, ervin, zzag Subscribers: zzag, bport, crossi, kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D25881
134 lines
4 KiB
C++
134 lines
4 KiB
C++
/*
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* Copyright (C) 2018 Eike Hein <hein@kde.org>
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* Copyright (C) 2018 Marco Martin <mart@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DESKTOPSMODEL_H
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#define DESKTOPSMODEL_H
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#include <QAbstractListModel>
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#include "../virtualdesktopsdbustypes.h"
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class QDBusArgument;
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class QDBusMessage;
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class QDBusServiceWatcher;
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namespace KWin
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{
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/**
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* @short An item model around KWin's D-Bus API for virtual desktops.
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*
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* The model initially gets the state from KWin and populates.
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*
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* As long as the user makes no changes, KWin-side changes are directly
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* exposed in the model.
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*
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* If the user makes changes (see the `userModified` property), it stops
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* exposing KWin-side changes live, but it keeps track of the KWin-side
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* changes, so it can figure out and apply the delta when `syncWithServer`
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* is called.
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*
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* When KWin-side changes happen while the model is user-modified, the
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* model signals this via the `serverModified` property. A call to
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* `syncWithServer` will overwrite the KWin-side changes.
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*
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* After synchronization, the model tracks Kwin-side changes again,
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* until the user makes further changes.
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*
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* @author Eike Hein <hein@kde.org>
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*/
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class DesktopsModel : public QAbstractListModel
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{
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Q_OBJECT
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Q_PROPERTY(bool ready READ ready NOTIFY readyChanged)
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Q_PROPERTY(QString error READ error NOTIFY errorChanged)
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Q_PROPERTY(bool userModified READ userModified NOTIFY userModifiedChanged)
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Q_PROPERTY(bool serverModified READ serverModified NOTIFY serverModifiedChanged)
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Q_PROPERTY(int rows READ rows WRITE setRows NOTIFY rowsChanged)
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public:
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enum AdditionalRoles {
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Id = Qt::UserRole + 1,
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DesktopRow
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};
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Q_ENUM(AdditionalRoles)
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explicit DesktopsModel(QObject *parent = nullptr);
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~DesktopsModel() override;
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QHash<int, QByteArray> roleNames() const override;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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int rowCount(const QModelIndex &parent = {}) const override;
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bool ready() const;
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QString error() const;
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bool userModified() const;
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bool serverModified() const;
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int rows() const;
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void setRows(int rows);
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Q_INVOKABLE void createDesktop(const QString &name);
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Q_INVOKABLE void removeDesktop(const QString &id);
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Q_INVOKABLE void setDesktopName(const QString &id, const QString &name);
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Q_INVOKABLE void syncWithServer();
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bool needsSave() const;
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void load();
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void defaults();
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bool isDefaults() const;
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Q_SIGNALS:
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void readyChanged() const;
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void errorChanged() const;
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void userModifiedChanged() const;
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void serverModifiedChanged() const;
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void rowsChanged() const;
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protected Q_SLOTS:
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void reset();
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void getAllAndConnect(const QDBusMessage &msg);
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void desktopCreated(const QString &id, const KWin::DBusDesktopDataStruct &data);
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void desktopRemoved(const QString &id);
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void desktopDataChanged(const QString &id, const KWin::DBusDesktopDataStruct &data);
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void desktopRowsChanged(uint rows);
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void updateModifiedState(bool server = false);
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void handleCallError();
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private:
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QDBusServiceWatcher *m_serviceWatcher;
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QString m_error;
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bool m_userModified;
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bool m_serverModified;
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QStringList m_serverSideDesktops;
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QHash<QString,QString> m_serverSideNames;
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int m_serverSideRows;
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QStringList m_desktops;
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QHash<QString,QString> m_names;
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int m_rows;
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bool m_synchronizing;
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};
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}
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#endif
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