From 4c37518de70b10a2eabe929933e70ea7e8eca623 Mon Sep 17 00:00:00 2001
From: dabrain34 <scerveau@gmail.com>
Date: Sun, 11 Dec 2016 16:08:30 +0100
Subject: [PATCH] Add a menu entry clear

Allow to clear the graph and start over.
---
 src/MainWindow.cpp | 12 +++++++++++-
 src/MainWindow.h   |  1 +
 src/PipelineIE.cpp |  7 +++++++
 src/PipelineIE.h   |  1 +
 4 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 36ba2be..c03f701 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -106,7 +106,8 @@ MainWindow::MainWindow(QWidget *parent, Qt::WindowFlags flags):
 	QAction *pactFlush = ptb -> addAction(QIcon(pxFulsh), "Flush");
 	connect(pactFlush, SIGNAL(triggered()), SLOT(Flush()));
 
-
+	QAction *pactClear = ptb -> addAction("Clear");
+	connect(pactClear, SIGNAL(triggered()), SLOT(ClearGraph()));
 	ptb -> addSeparator();
 
 	m_pslider = new SeekSlider();
@@ -142,6 +143,8 @@ MainWindow::MainWindow(QWidget *parent, Qt::WindowFlags flags):
 	pmenu -> addAction(pactPause);
 	pmenu -> addAction(pactStop);
 	pmenu -> addAction(pactFlush);
+	pmenu -> addSeparator();
+	pmenu -> addAction(pactClear);
 
 
 	pmenu = menuBar() -> addMenu("&Help");
@@ -260,6 +263,13 @@ void MainWindow::Flush()
 	}
 }
 
+void MainWindow::ClearGraph()
+{
+	qDebug() << "ClearGraph";
+	PipelineIE::Clear(m_pGraph);
+}
+
+
 
 void MainWindow::Seek(int val)
 {
diff --git a/src/MainWindow.h b/src/MainWindow.h
index 11afac1..a99582b 100644
--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -40,6 +40,7 @@ class MainWindow: public QMainWindow
 		void SaveAs();
 		void Open();
 
+		void ClearGraph();
 		void About();
 
 	private:
diff --git a/src/PipelineIE.cpp b/src/PipelineIE.cpp
index 75c93ed..6ba3d74 100644
--- a/src/PipelineIE.cpp
+++ b/src/PipelineIE.cpp
@@ -620,3 +620,10 @@ bool PipelineIE::Import(QSharedPointer<GraphManager> pgraph, const QString &file
 
 	return true;
 }
+
+bool PipelineIE::Clear(QSharedPointer<GraphManager> pgraph)
+{
+	GstElement *pipeline = pgraph -> m_pGraph;
+	clearPipeline(pipeline);
+	return true;
+}
diff --git a/src/PipelineIE.h b/src/PipelineIE.h
index 7b35702..33c8769 100644
--- a/src/PipelineIE.h
+++ b/src/PipelineIE.h
@@ -10,6 +10,7 @@ namespace PipelineIE
 {
 	bool Export(QSharedPointer<GraphManager> pgraph, const QString &fileName);
 	bool Import(QSharedPointer<GraphManager> pgraph, const QString &fileName);
+	bool Clear(QSharedPointer<GraphManager> pgraph);
 };
 
 #endif