137 lines
3.3 KiB
C++
137 lines
3.3 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef KWIN_DBUSCALL_H
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#define KWIN_DBUSCALL_H
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#include <QObject>
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#include <QString>
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namespace KWin
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{
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/**
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* @brief Qml export for providing a wrapper for sending a message over the DBus
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* session bus.
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*
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* Allows to setup the connection arguments just like in QDBusMessage and supports
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* adding arguments to the call. To invoke the message use the slot @ref call.
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*
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* If the call succeeds the signal @ref finished is emitted, if the call fails
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* the signal @ref failed is emitted.
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*
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* Note: the DBusCall always uses the session bus and performs an async call.
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*
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* Example on how to use in Qml:
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* @code
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* DBusCall {
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* id: dbus
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* service: "org.kde.KWin"
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* path: "/KWin"
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* method: "nextDesktop"
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* Component.onCompleted: dbus.call()
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* }
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* @endcode
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*
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* Example with arguments:
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* @code
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* DBusCall {
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* id: dbus
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* service: "org.kde.KWin"
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* path: "/KWin"
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* method: "setCurrentDesktop"
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* arguments: [1]
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* Component.onCompleted: dbus.call()
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* }
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* @endcode
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*
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* Example with a callback:
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* @code
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* DBusCall {
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* id: dbus
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* service: "org.kde.KWin"
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* path: "/KWin"
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* method: "currentDesktop"
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* onFinished: console.log(returnValue[0])
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* }
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* @endcode
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*/
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class DBusCall : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(QString service READ service WRITE setService NOTIFY serviceChanged)
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Q_PROPERTY(QString path READ path WRITE setPath NOTIFY pathChanged)
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Q_PROPERTY(QString dbusInterface READ interface WRITE setInterface NOTIFY interfaceChanged)
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Q_PROPERTY(QString method READ method WRITE setMethod NOTIFY methodChanged)
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Q_PROPERTY(QVariantList arguments READ arguments WRITE setArguments NOTIFY argumentsChanged)
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public:
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explicit DBusCall(QObject* parent = nullptr);
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~DBusCall() override;
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const QString &service() const;
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const QString &path() const;
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const QString &interface() const;
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const QString &method() const;
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const QVariantList &arguments() const;
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public Q_SLOTS:
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void call();
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void setService(const QString &service);
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void setPath(const QString &path);
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void setInterface(const QString &interface);
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void setMethod(const QString &method);
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void setArguments(const QVariantList &arguments);
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Q_SIGNALS:
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void finished(QVariantList returnValue);
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void failed();
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void serviceChanged();
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void pathChanged();
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void interfaceChanged();
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void methodChanged();
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void argumentsChanged();
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private:
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QString m_service;
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QString m_path;
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QString m_interface;
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QString m_method;
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QVariantList m_arguments;
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};
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#define GENERIC_WRAPPER(type, name, upperName) \
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inline type DBusCall::name() const \
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{ \
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return m_##name; \
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}\
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inline void DBusCall::set##upperName(type name) \
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{\
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if (m_##name == name) { \
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return; \
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} \
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m_##name = name; \
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emit name##Changed(); \
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}
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#define WRAPPER(name, upperName) \
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GENERIC_WRAPPER(const QString&, name, upperName)
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WRAPPER(interface, Interface)
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WRAPPER(method, Method)
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WRAPPER(path, Path)
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WRAPPER(service, Service)
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GENERIC_WRAPPER(const QVariantList &, arguments, Arguments)
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#undef WRAPPER
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#undef GENERIC_WRAPPER
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} // KWin
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#endif // KWIN_SCRIPTING_DBUSCALL_H
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