Teaked the TrustView and NetworkView so that they only update when visible. Doing so, the CPU overload is only present when strictly needed.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.4.x@1570 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/TrustView.cpp

@@ -35,6 +35,11 @@ TrustView::TrustView()
 	update() ;
 }
 
+void TrustView::showEvent(QShowEvent *e)
+{
+	QWidget::showEvent(e) ;
+	update() ;
+}
 void TrustView::wheelEvent(QWheelEvent *e)
 {
 	if(e->modifiers() & Qt::ShiftModifier)
@@ -131,6 +136,9 @@ void TrustView::update()
 {
 	// collect info.
 
+	if(!isVisible())
+		return ;
+
 	std::list<std::string> neighs;
 
 	if(!rsPeers->getOthersList(neighs))

retroshare-gui/src/gui/TrustView.h

@@ -1,6 +1,7 @@
 #include "ui_TrustView.h"
 
 class QWheelEvent ;
+class QShowEvent ;
 
 class TrustView: public QWidget, public Ui::TrustView
 {
@@ -11,6 +12,7 @@ class TrustView: public QWidget, public Ui::TrustView
 
 	protected:
 		virtual void wheelEvent(QWheelEvent *) ;
+		virtual void showEvent(QShowEvent *) ;
 
 	public slots:
 		void update() ;

retroshare-gui/src/gui/elastic/graphwidget.cpp

@@ -38,6 +38,7 @@
 #include "edge.h"
 #include "node.h"
 
+#include <iostream>
 #include <QDebug>
 #include <QGraphicsScene>
 #include <QWheelEvent>
@@ -202,7 +203,8 @@ void GraphWidget::keyPressEvent(QKeyEvent *event)
 
 void GraphWidget::timerEvent(QTimerEvent *event)
 {
-    Q_UNUSED(event);
+	if(!isVisible())
+		return;
 
     QList<Node *> nodes;
     foreach (QGraphicsItem *item, scene()->items()) {