Add manufacturer, model, and serialNumber properties to AbstractOutput

This can be useful for the colord integration plugin.

abstract_output.cpp

@@ -103,4 +103,19 @@ bool AbstractOutput::setGammaRamp(const GammaRamp &gamma)
     return false;
 }
 
+QString AbstractOutput::manufacturer() const
+{
+    return QString();
+}
+
+QString AbstractOutput::model() const
+{
+    return QString();
+}
+
+QString AbstractOutput::serialNumber() const
+{
+    return QString();
+}
+
 } // namespace KWin

abstract_output.h

@@ -164,6 +164,19 @@ public:
     /** Returns the resolution of the output.  */
     virtual QSize pixelSize() const = 0;
 
+    /**
+     * Returns the manufacturer of the screen.
+     */
+    virtual QString manufacturer() const;
+    /**
+     * Returns the model of the screen.
+     */
+    virtual QString model() const;
+    /**
+     * Returns the serial number of the screen.
+     */
+    virtual QString serialNumber() const;
+
 Q_SIGNALS:
     /**
      * This signal is emitted when the geometry of this output has changed.

abstract_wayland_output.cpp

@@ -85,6 +85,21 @@ void AbstractWaylandOutput::setGlobalPos(const QPoint &pos)
     m_xdgOutputV1->done();
 }
 
+QString AbstractWaylandOutput::manufacturer() const
+{
+    return m_waylandOutputDevice->manufacturer();
+}
+
+QString AbstractWaylandOutput::model() const
+{
+    return m_waylandOutputDevice->model();
+}
+
+QString AbstractWaylandOutput::serialNumber() const
+{
+    return m_waylandOutputDevice->serialNumber();
+}
+
 QSize AbstractWaylandOutput::modeSize() const
 {
     return m_waylandOutputDevice->pixelSize();

abstract_wayland_output.h

@@ -92,6 +92,10 @@ public:
         return m_internal;
     }
 
+    QString manufacturer() const override;
+    QString model() const override;
+    QString serialNumber() const override;
+
     void setGlobalPos(const QPoint &pos);
     void setScale(qreal scale);