Allow creating virtual ouputs with a user visible description

src/backends/drm/drm_backend.cpp

@@ -328,9 +328,9 @@ QString DrmBackend::supportInformation() const
     return supportInfo;
 }
 
-Output *DrmBackend::createVirtualOutput(const QString &name, const QSize &size, double scale)
+Output *DrmBackend::createVirtualOutput(const QString &name, const QString &description, const QSize &size, double scale)
 {
-    const auto ret = new DrmVirtualOutput(this, name, size, scale);
+    const auto ret = new DrmVirtualOutput(this, name, description, size, scale);
     m_virtualOutputs.push_back(ret);
     addOutput(ret);
     Q_EMIT outputsQueried();

src/backends/drm/drm_backend.h

@@ -52,7 +52,7 @@ public:
     QList<CompositingType> supportedCompositors() const override;
 
     QString supportInformation() const override;
-    Output *createVirtualOutput(const QString &name, const QSize &size, double scale) override;
+    Output *createVirtualOutput(const QString &name, const QString &description, const QSize &size, double scale) override;
     void removeVirtualOutput(Output *output) override;
 
     DrmGpu *primaryGpu() const;

src/backends/drm/drm_virtual_output.cpp

@@ -19,7 +19,7 @@
 namespace KWin
 {
 
-DrmVirtualOutput::DrmVirtualOutput(DrmBackend *backend, const QString &name, const QSize &size, qreal scale)
+DrmVirtualOutput::DrmVirtualOutput(DrmBackend *backend, const QString &name, const QString &description, const QSize &size, qreal scale)
     : m_backend(backend)
     , m_vsyncMonitor(SoftwareVsyncMonitor::create())
 {
@@ -30,6 +30,7 @@ DrmVirtualOutput::DrmVirtualOutput(DrmBackend *backend, const QString &name, con
 
     setInformation(Information{
         .name = QStringLiteral("Virtual-") + name,
+        .model = description,
         .physicalSize = size,
     });
 

src/backends/drm/drm_virtual_output.h

@@ -26,7 +26,7 @@ class DrmVirtualOutput : public DrmAbstractOutput
     Q_OBJECT
 
 public:
-    explicit DrmVirtualOutput(DrmBackend *backend, const QString &name, const QSize &size, qreal scale);
+    explicit DrmVirtualOutput(DrmBackend *backend, const QString &name, const QString &description, const QSize &size, qreal scale);
     ~DrmVirtualOutput() override;
 
     bool present(const std::shared_ptr<OutputFrame> &frame) override;

src/backends/wayland/wayland_backend.cpp

@@ -562,7 +562,7 @@ Outputs WaylandBackend::outputs() const
     return m_outputs;
 }
 
-Output *WaylandBackend::createVirtualOutput(const QString &name, const QSize &size, double scale)
+Output *WaylandBackend::createVirtualOutput(const QString &name, const QString &description, const QSize &size, double scale)
 {
     return createOutput(name, size * scale, scale);
 }

src/backends/wayland/wayland_backend.h

@@ -232,7 +232,7 @@ public:
         return m_outputs;
     }
 
-    Output *createVirtualOutput(const QString &name, const QSize &size, double scale) override;
+    Output *createVirtualOutput(const QString &name, const QString &description, const QSize &size, double scale) override;
     void removeVirtualOutput(Output *output) override;
 
     wl_buffer *importBuffer(GraphicsBuffer *graphicsBuffer);

src/core/outputbackend.cpp

@@ -77,7 +77,7 @@ Output *OutputBackend::findOutput(const QString &name) const
     return nullptr;
 }
 
-Output *OutputBackend::createVirtualOutput(const QString &name, const QSize &size, double scale)
+Output *OutputBackend::createVirtualOutput(const QString &name, const QString &description, const QSize &size, double scale)
 {
     return nullptr;
 }

src/core/outputbackend.h

@@ -86,7 +86,7 @@ public:
      */
     virtual QString supportInformation() const;
 
-    virtual Output *createVirtualOutput(const QString &name, const QSize &size, qreal scale);
+    virtual Output *createVirtualOutput(const QString &name, const QString &description, const QSize &size, qreal scale);
     virtual void removeVirtualOutput(Output *output);
 
     /**

src/plugins/screencast/screencastmanager.cpp

@@ -59,7 +59,7 @@ void ScreencastManager::streamVirtualOutput(ScreencastStreamV1Interface *stream,
                                             double scale,
                                             ScreencastV1Interface::CursorMode mode)
 {
-    auto output = kwinApp()->outputBackend()->createVirtualOutput(name, size, scale);
+    auto output = kwinApp()->outputBackend()->createVirtualOutput(name, name, size, scale);
     streamOutput(stream, output, mode);
     connect(stream, &ScreencastStreamV1Interface::finished, output, [output] {
         kwinApp()->outputBackend()->removeVirtualOutput(output);