- Added a parent page widget (class RsAutoUpdatePage) to handle auto-update. The page updates using a timer, only wh

en visible, and each time it gets showed. I already made some RS pages derive from this page.
- Modified and renamed the taskGraphPainterWidget to display info about currently selected file transfers. For know, it only shows file chunks info, but we should use it to display additional info about the transfer. Warning: in its
 current state, only fake chunk info is displayed.
 - Suppressed p3files.h, because it is not used.

 Remains to do (in order):
 - Implement a chunk map class in ft/ to properly manage which chunks should be downloaded 
 - Display correct chunk info by requesting the transfer's chunk map
 - Add check-sum verification of chunks
 - allow RS to import a partially downloaded file by force re-checking chunks
 - Add chunk map exchange from file source peer id to file destination peer id.
 - Manage chunks from different peers.
 - Allow search (turtle search) for partially downloaded files 



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1832 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/RsAutoUpdatePage.cpp

@@ -0,0 +1,31 @@
+#include <iostream>
+#include <QTimer>
+#include "RsAutoUpdatePage.h"
+
+RsAutoUpdatePage::RsAutoUpdatePage(int ms_update_period,QWidget *parent)
+	: MainPage(parent)
+{
+	_timer = new QTimer ;
+
+	QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(timerUpdate())) ;
+
+	_timer->start(ms_update_period) ;
+}
+
+void RsAutoUpdatePage::showEvent(QShowEvent *event)
+{
+	std::cout << "In show event !!" << std::endl ;
+	updateDisplay();
+}
+
+void RsAutoUpdatePage::timerUpdate()
+{
+	// only update when the widget is visible.
+	//
+	if(!isVisible())
+		return ;
+
+	updateDisplay() ;
+	update() ;				// Qt flush
+}
+