[PATCH 1/2] kernel-shark: Enforce update of the OpenGL widget when loading new session

From: Yordan Karadzhov <ykaradzhov@vmware.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org, y.karadz@gmail.com,
	Yordan Karadzhov <ykaradzhov@vmware.com>
Subject: [PATCH 1/2] kernel-shark: Enforce update of the OpenGL widget when loading new session
Date: Thu,  2 May 2019 15:45:35 +0300	[thread overview]
Message-ID: <20190502124536.32463-1-ykaradzhov@vmware.com> (raw)

This is needed in the case when the session was saved at different screen
resolution.

Reported-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Yordan Karadzhov <ykaradzhov@vmware.com>
---
 kernel-shark/src/KsGLWidget.hpp   | 2 ++
 kernel-shark/src/KsMainWindow.cpp | 3 +--
 kernel-shark/src/KsTraceGraph.cpp | 2 ++
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/kernel-shark/src/KsGLWidget.hpp b/kernel-shark/src/KsGLWidget.hpp
index 3bcecf9..bf68be3 100644
--- a/kernel-shark/src/KsGLWidget.hpp
+++ b/kernel-shark/src/KsGLWidget.hpp
@@ -41,6 +41,8 @@ public:
 
 	void reset();
 
+	void update() {resizeGL(width(), height());}
+
 	void mousePressEvent(QMouseEvent *event);
 
 	void mouseMoveEvent(QMouseEvent *event);
diff --git a/kernel-shark/src/KsMainWindow.cpp b/kernel-shark/src/KsMainWindow.cpp
index bb593bd..3cf10bc 100644
--- a/kernel-shark/src/KsMainWindow.cpp
+++ b/kernel-shark/src/KsMainWindow.cpp
@@ -435,7 +435,6 @@ QString KsMainWindow::lastSessionFile()
 void KsMainWindow::_restoreSession()
 {
 	loadSession(lastSessionFile());
-	_graph.updateGeom();
 }
 
 void KsMainWindow::_importSession()
@@ -450,7 +449,6 @@ void KsMainWindow::_importSession()
 		return;
 
 	loadSession(fileName);
-	_graph.updateGeom();
 }
 
 void KsMainWindow::_updateSession()
@@ -1100,6 +1098,7 @@ void KsMainWindow::loadSession(const QString &fileName)
 
 	_session.loadTable(&_view);
 	_colorPhaseSlider.setValue(_session.getColorScheme() * 100);
+	_graph.updateGeom();
 }
 
 void KsMainWindow::_initCapture()
diff --git a/kernel-shark/src/KsTraceGraph.cpp b/kernel-shark/src/KsTraceGraph.cpp
index 6087e96..da2c6aa 100644
--- a/kernel-shark/src/KsTraceGraph.cpp
+++ b/kernel-shark/src/KsTraceGraph.cpp
@@ -538,6 +538,8 @@ void KsTraceGraph::updateGeom()
 			       * allow the scroll bar to disappear when the
 			       * widget is extended to maximum.
 			       */
+
+	_glWindow.update();
 }
 
 void KsTraceGraph::_updateGraphLegends()
-- 
2.20.1

