Add "Export to Clipboard" to copy the current 3d view to the system clipboard.

src/MainWindow.h

@@ -196,6 +196,7 @@ private slots:
 	void actionExportSVG();
 	void actionExportCSG();
 	void actionExportImage();
+	void actionExportToClipboard();
 	void actionFlushCaches();
 
 public:

src/MainWindow.ui

@@ -274,6 +274,7 @@
      <addaction name="fileActionExportCSG"/>
      <addaction name="separator"/>
      <addaction name="fileActionExportImage"/>
+     <addaction name="fileActionExportClipboard"/>
     </widget>
     <addaction name="fileActionNew"/>
     <addaction name="fileActionOpen"/>
@@ -1261,6 +1262,11 @@
     <string>&amp;Cheat Sheet</string>
    </property>
   </action>
+  <action name="fileActionExportClipboard">
+   <property name="text">
+    <string>Export to Clipboard</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

src/QGLView.cc

@@ -294,11 +294,12 @@ void QGLView::mouseReleaseEvent(QMouseEvent*)
   releaseMouse();
 }
 
-void QGLView::grabFrame()
+const QImage & QGLView::grabFrame()
 {
 	// Force reading from front buffer. Some configurations will read from the back buffer here.
 	glReadBuffer(GL_FRONT);
 	this->frame = grabFrameBuffer();
+	return this->frame;
 }
 
 bool QGLView::save(const char *filename)

src/QGLView.h

@@ -43,7 +43,7 @@ public:
 	float getDPI() { return this->devicePixelRatio(); }
 #endif
 	
-	void grabFrame();
+	const QImage & grabFrame();
 	bool save(const char *filename);
 	void resetView();
 	void viewAll();

src/mainwin.cc

@@ -362,6 +362,7 @@ MainWindow::MainWindow(const QString &filename)
 	connect(this->fileActionExportSVG, SIGNAL(triggered()), this, SLOT(actionExportSVG()));
 	connect(this->fileActionExportCSG, SIGNAL(triggered()), this, SLOT(actionExportCSG()));
 	connect(this->fileActionExportImage, SIGNAL(triggered()), this, SLOT(actionExportImage()));
+	connect(this->fileActionExportClipboard, SIGNAL(triggered()), this, SLOT(actionExportToClipboard()));
 	connect(this->designActionFlushCaches, SIGNAL(triggered()), this, SLOT(actionFlushCaches()));
 
 	// View menu
@@ -2184,6 +2185,13 @@ void MainWindow::actionExportImage()
 	return;
 }
 
+void MainWindow::actionExportToClipboard()
+{
+	const QImage & image = qglview->grabFrame();
+	QClipboard *clipboard = QApplication::clipboard();
+	clipboard->setImage(image);
+}
+
 void MainWindow::actionFlushCaches()
 {
 	GeometryCache::instance()->clear();