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Fixed deadlock in RSGraphWidget (Patch from Cyril)

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7908 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
thunder2 2015-02-04 10:56:19 +00:00
parent 0ebc1223b3
commit 6cad38bd7c
2 changed files with 25 additions and 4 deletions
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26
retroshare-gui/src/gui/common/RSGraphWidget.cpp
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@ -32,6 +32,7 @@
#include <QDateTime>
#include <QTimer>
#include <retroshare-gui/RsAutoUpdatePage.h>
#include "RSGraphWidget.h"
RSGraphSource::RSGraphSource()
@ -42,7 +43,7 @@ RSGraphSource::RSGraphSource()
_timer = new QTimer ;
_digits = 2 ;
QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(update())) ;
QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(updateIfPossible())) ;
}
RSGraphSource::~RSGraphSource()
@ -142,6 +143,14 @@ qint64 RSGraphSource::getTime() const
return QDateTime::currentMSecsSinceEpoch() - _time_orig_msecs ;
}
void RSGraphSource::updateIfPossible()
{
if(RsAutoUpdatePage::eventsLocked())
return ;
update() ;
}
void RSGraphSource::update()
{
std::map<std::string,float> vals ;
@ -206,12 +215,23 @@ RSGraphWidget::RSGraphWidget(QWidget *parent)
_flags = 0;
_time_scale = 5.0f ; // in pixels per second.
_timer = new QTimer ;
QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(update())) ;
QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(updateIfPossible())) ;
_y_scale = 1.0f ;
_timer->start(1000);
}
void RSGraphWidget::updateIfPossible()
{
if(RsAutoUpdatePage::eventsLocked())
return ;
if(!isVisible())
return ;
update() ;
}
/** Default destructor */
RSGraphWidget::~RSGraphWidget()
{
@ -235,7 +255,7 @@ RSGraphWidget::resetGraph()
{
_source->reset() ;
_maxValue = MINUSER_SCALE;
update();
updateIfPossible();
}
/** Toggles display of respective graph lines and counters. */