re-simplify library info window. start to unify glview.save()

src/MainWindow.h

@@ -87,7 +87,7 @@ private:
 	void loadViewSettings();
 	void loadDesignSettings();
 
-  class QDialog *openglbox;
+  class QMessageBox *openglbox;
 
 private slots:
 	void actionNew();

src/OffscreenView.cc

@@ -147,7 +147,7 @@ bool OffscreenView::save(std::ostream &output)
 	return save_framebuffer(this->ctx, output);
 }
 
-const std::string &OffscreenView::getRendererInfo()
+std::string OffscreenView::getRendererInfo()
 {
 	std::stringstream out;
 

src/OffscreenView.h

@@ -24,9 +24,9 @@ public:
 	void setupPerspective();
 	void setupOrtho(bool offset=false);
 	void paintGL();
-	bool save(const char *filename);
-	bool save(std::ostream &output);
-	const std::string &getRendererInfo();
+	bool save(const char *filename); //
+	bool save(std::ostream &output); // not implemented in qgl?
+	std::string getRendererInfo(); //
 
 	GLint shaderinfo[11];  //
 

src/QGLView.h

@@ -35,7 +35,8 @@ public:
 	void setShowCrosshairs(bool enabled) { this->showcrosshairs = enabled; }
 	bool orthoMode() const { return this->orthomode; }
 	void setOrthoMode(bool enabled) { this->orthomode = enabled; }
-	const std::string &getRendererInfo() const { return this->rendererInfo; }
+	std::string getRendererInfo() const { return this->rendererInfo; }
+	bool save(const char *filename);
 
 public:
 	QLabel *statusLabel;

src/mainwin.cc

@@ -1452,20 +1452,17 @@ void MainWindow::actionExportCSG()
 
 void MainWindow::actionExportImage()
 {
-	QImage img = this->qglview->grabFrameBuffer();
 	setCurrentOutput();
 
 	QString img_filename = QFileDialog::getSaveFileName(this,
 			"Export Image", "", "PNG Files (*.png)");
 	if (img_filename.isEmpty()) {
 		PRINT("No filename specified. Image export aborted.");
-		clearCurrentOutput();
-		return;
+	} else {
+		qglview->save(img_filename.toStdString().c_str());
 	}
-
-	img.save(img_filename, "PNG");
-
 	clearCurrentOutput();
+	return;
 }
 
 void MainWindow::actionFlushCaches()
@@ -1745,16 +1742,13 @@ void MainWindow::helpLibrary()
 									qVersion());
 
 	if (!this->openglbox) {
-		this->openglbox = new QDialog( this );
-		QVBoxLayout *ql = new QVBoxLayout( openglbox );
-		QTextEdit *qte = new QTextEdit( openglbox );
-		ql->addWidget( qte );
+    this->openglbox = new QMessageBox(QMessageBox::Information, 
+                                      "OpenGL Info", "Detailed Library Info",
+                                      QMessageBox::Ok, this);
+		this->openglbox->setMinimumSize( QSize(400,200) );
 	}
-	QTextEdit *qte = openglbox->findChild<QTextEdit *>();
-	qte->setText(libinfo + QString(this->qglview->getRendererInfo().c_str()));
-	qte->setReadOnly( true );
-	openglbox->setMinimumSize( QSize(400,200) );
-	openglbox->show();
+  this->openglbox->setDetailedText(libinfo + QString(qglview->getRendererInfo().c_str()));
+	this->openglbox->show();
 }
 
 /*!

src/qglview.cc

@@ -637,3 +637,10 @@ void QGLView::mouseReleaseEvent(QMouseEvent*)
 	mouse_drag_active = false;
 	releaseMouse();
 }
+
+bool QGLView::save(const char *filename)
+{
+  QImage img = grabFrameBuffer();
+  return img.save(filename, "PNG");
+}
+