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