Implement the touchpad forwarding into kcapp

This way the computer's cursor can be controlled from the device. Keyboard
is not yet implemented.

app/qml/main.qml

@@ -122,6 +122,13 @@ ApplicationWindow
                                 properties: { mprisInterface: MprisDbusInterfaceFactory.create(deviceView.currentDevice.id()) }
                             } );
                         }
+                        Button {
+                            text: i18n("Mouse Pad")
+                            onClicked: stack.push( {
+                                item: "qrc:/qml/mousepad.qml",
+                                properties: { remoteControlInterface: RemoteControlDbusInterfaceFactory.create(deviceView.currentDevice.id()) }
+                            } );
+                        }
                         Button {
                             text: i18n("Remote touch and keyboard")
                             enabled: false

app/qml/mousepad.qml

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2015 Aleix Pol Gonzalez <aleixpol@kde.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import QtQuick 2.5
+import QtQuick.Controls 1.2
+import QtQuick.Layouts 1.2
+
+ColumnLayout
+{
+    id: mousepad
+    property QtObject remoteControlInterface
+
+    MouseArea {
+        id: area
+        Layout.fillWidth: true
+        Layout.fillHeight: true
+        property var lastPos: Qt.point(-1, -1)
+
+        onClicked: mousepad.remoteControlInterface.sendCommand("singleclick", true);
+
+        onPositionChanged: {
+            if (lastPos.x > -1) {
+//                 console.log("move", mouse.x, mouse.y, lastPos)
+                var delta = Qt.point(mouse.x-lastPos.x, mouse.y-lastPos.y);
+
+                remoteControlInterface.moveCursor(delta);
+            }
+            lastPos = Qt.point(mouse.x, mouse.y);
+        }
+    }
+    RowLayout {
+        Layout.fillWidth: true
+
+        Button {
+            Layout.fillWidth: true
+            onClicked: mousepad.remoteControlInterface.sendCommand("singleclick", true);
+        }
+        Button {
+            Layout.fillWidth: true
+            onClicked: mousepad.remoteControlInterface.sendCommand("middleclick", true);
+        }
+        Button {
+            Layout.fillWidth: true
+            onClicked: mousepad.remoteControlInterface.sendCommand("rightclick", true);
+        }
+    }
+}

app/resources.qrc

@@ -3,5 +3,6 @@
     <file>qml/main.qml</file>
     <file>qml/DeviceDelegate.qml</file>
     <file>qml/mpris.qml</file>
+    <file>qml/mousepad.qml</file>
  </qresource>
 </RCC>

interfaces/CMakeLists.txt

@@ -39,7 +39,7 @@ geninterface(${CMAKE_SOURCE_DIR}/plugins/sftp/sftpplugin.h devicesftpinterface.h
 geninterface(${CMAKE_SOURCE_DIR}/plugins/notifications/notificationsdbusinterface.h devicenotificationsinterface.h)
 geninterface(${CMAKE_SOURCE_DIR}/plugins/notifications/notification.h notificationinterface.h)
 geninterface(${CMAKE_SOURCE_DIR}/plugins/mprisremote/mprisremoteplugin.h mprisremoteinterface)
-
+geninterface(${CMAKE_SOURCE_DIR}/plugins/remotecontrol/remotecontrolplugin.h remotecontrolinterface)
 
 add_library(kdeconnectinterfaces SHARED ${libkdeconnect_SRC})
 set_target_properties(kdeconnectinterfaces PROPERTIES

interfaces/dbusinterfaces.cpp

@@ -113,3 +113,12 @@ MprisDbusInterface::MprisDbusInterface(const QString& id, QObject* parent)
 MprisDbusInterface::~MprisDbusInterface()
 {
 }
+
+RemoteControlDbusInterface::RemoteControlDbusInterface(const QString& id, QObject* parent)
+    : OrgKdeKdeconnectDeviceRemotecontrolInterface(DaemonDbusInterface::activatedService(), "/modules/kdeconnect/devices/" + id + "/remotecontrol", QDBusConnection::sessionBus(), parent)
+{
+}
+
+RemoteControlDbusInterface::~RemoteControlDbusInterface()
+{
+}

interfaces/dbusinterfaces.h

@@ -30,6 +30,7 @@
 #include "interfaces/devicenotificationsinterface.h"
 #include "interfaces/notificationinterface.h"
 #include "interfaces/mprisremoteinterface.h"
+#include "interfaces/remotecontrolinterface.h"
 
 /**
  * Using these "proxy" classes just in case we need to rename the
@@ -124,4 +125,13 @@ Q_SIGNALS:
     void propertiesChangedProxy();
 };
 
+class KDECONNECTINTERFACES_EXPORT RemoteControlDbusInterface
+    : public OrgKdeKdeconnectDeviceRemotecontrolInterface
+{
+    Q_OBJECT
+public:
+    RemoteControlDbusInterface(const QString& deviceId, QObject* parent = 0);
+    ~RemoteControlDbusInterface() override;
+};
+
 #endif

plasmoid/declarativeplugin/kdeconnectdeclarativeplugin.cpp

@@ -49,6 +49,11 @@ QObject* createSftpInterface(QVariant deviceId)
     return new SftpDbusInterface(deviceId.toString());
 }
 
+QObject* createRemoteControlInterface(QVariant deviceId)
+{
+    return new RemoteControlDbusInterface(deviceId.toString());
+}
+
 QObject* createMprisInterface(QVariant deviceId)
 {
     return new MprisDbusInterface(deviceId.toString());
@@ -85,6 +90,9 @@ void KdeConnectDeclarativePlugin::initializeEngine(QQmlEngine* engine, const cha
 
     engine->rootContext()->setContextProperty("MprisDbusInterfaceFactory"
       , new ObjectFactory(engine, createMprisInterface));
+
+    engine->rootContext()->setContextProperty("RemoteControlDbusInterfaceFactory"
+      , new ObjectFactory(engine, createRemoteControlInterface));
     
     engine->rootContext()->setContextProperty("DBusResponseFactory"
       , new ObjectFactory(engine, createDBusResponse));    

plugins/CMakeLists.txt

@@ -16,6 +16,7 @@ add_subdirectory(screensaver-inhibit)
 
 if(EXPERIMENTALAPP_ENABLED)
     add_subdirectory(mprisremote)
+    add_subdirectory(remotecontrol)
 endif()
 
 #FIXME: If we split notifications in several files, they won't appear in the same group in the Notifications KCM

plugins/remotecontrol/CMakeLists.txt

@@ -0,0 +1,7 @@
+kdeconnect_add_plugin(kdeconnect_remotecontrol JSON kdeconnect_remotecontrol.json SOURCES remotecontrolplugin.cpp)
+
+target_link_libraries(kdeconnect_remotecontrol
+    kdeconnectcore
+    Qt5::DBus
+    KF5::I18n
+)

plugins/remotecontrol/kdeconnect_remotecontrol.json

@@ -0,0 +1,26 @@
+{
+    "Encoding": "UTF-8", 
+    "KPlugin": {
+        "Authors": [
+            {
+                "Email": "aleixpol@kde.org", 
+                "Name": "Aleix Pol"
+            }
+        ], 
+        "Description": "Control Remote systems",
+        "EnabledByDefault": true, 
+        "Icon": "applications-multimedia", 
+        "Id": "kdeconnect_remotecontrol",
+        "License": "GPL", 
+        "Name": "RemoteControl",
+        "ServiceTypes": [
+            "KdeConnect/Plugin"
+        ], 
+        "Version": "0.1", 
+        "Website": "https://kde.org"
+    }, 
+    "X-KdeConnect-OutgoingPackageType": [
+        "kdeconnect.mousepad"
+    ], 
+    "X-KdeConnect-SupportedPackageType": []
+}

plugins/remotecontrol/remotecontrolplugin.cpp

@@ -0,0 +1,70 @@
+/**
+ * Copyright 2013 Albert Vaca <albertvaka@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "remotecontrolplugin.h"
+
+#include <KLocalizedString>
+#include <KPluginFactory>
+
+#include <QDebug>
+#include <QDBusConnection>
+#include <QPoint>
+#include <QLoggingCategory>
+
+#include <core/device.h>
+
+K_PLUGIN_FACTORY_WITH_JSON( KdeConnectPluginFactory, "kdeconnect_remotecontrol.json", registerPlugin< RemoteControlPlugin >(); )
+
+Q_LOGGING_CATEGORY(KDECONNECT_PLUGIN_REMOTECONTROL, "kdeconnect.plugin.remotecontrol")
+
+RemoteControlPlugin::RemoteControlPlugin(QObject *parent, const QVariantList &args)
+    : KdeConnectPlugin(parent, args)
+{
+}
+
+RemoteControlPlugin::~RemoteControlPlugin()
+{}
+
+void RemoteControlPlugin::moveCursor(const QPoint &p)
+{
+    NetworkPackage np(PACKAGE_TYPE_MOUSEPAD);
+    np.set("dx", p.x());
+    np.set("dy", p.y());
+    sendPackage(np);
+}
+
+void RemoteControlPlugin::sendCommand(const QString &name, bool val)
+{
+    NetworkPackage np(PACKAGE_TYPE_MOUSEPAD);
+    np.set(name, val);
+    sendPackage(np);
+}
+
+void RemoteControlPlugin::connected()
+{
+    QDBusConnection::sessionBus().registerObject(dbusPath(), this, QDBusConnection::ExportAllContents);
+}
+
+QString RemoteControlPlugin::dbusPath() const
+{
+    return "/modules/kdeconnect/devices/" + device()->id() + "/remotecontrol";
+}
+
+#include "remotecontrolplugin.moc"

plugins/remotecontrol/remotecontrolplugin.h

@@ -0,0 +1,50 @@
+/**
+ * Copyright 2013 Albert Vaca <albertvaka@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MPRISREMOTEPLUGIN_H
+#define MPRISREMOTEPLUGIN_H
+
+#include <QObject>
+
+#include <core/kdeconnectplugin.h>
+
+#define PACKAGE_TYPE_MOUSEPAD QLatin1String("kdeconnect.mousepad")
+
+class Q_DECL_EXPORT RemoteControlPlugin
+    : public KdeConnectPlugin
+{
+    Q_OBJECT
+    Q_CLASSINFO("D-Bus Interface", "org.kde.kdeconnect.device.remotecontrol")
+
+public:
+    explicit RemoteControlPlugin(QObject *parent, const QVariantList &args);
+    ~RemoteControlPlugin() override;
+
+    bool receivePackage(const NetworkPackage& /*np*/) override { return false; }
+    void connected() override;
+
+    Q_INVOKABLE void moveCursor(const QPoint &p);
+    Q_INVOKABLE void sendCommand(const QString &name, bool val);
+
+private:
+    QString dbusPath() const;
+};
+
+#endif