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75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*******************************************************************************
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* gui/RsAutoUpdatePage.cpp *
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* *
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* Copyright (c) 2009 Retroshare Team <retroshare.project@gmail.com> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Affero General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Affero General Public License for more details. *
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* *
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* You should have received a copy of the GNU Affero General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#include <QTimer>
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#include "RsAutoUpdatePage.h"
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bool RsAutoUpdatePage::_locked = false ;
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RsAutoUpdatePage::RsAutoUpdatePage(int ms_update_period, QWidget *parent, Qt::WindowFlags flags)
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: MainPage(parent, flags)
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{
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mUpdateWhenInvisible = false;
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_timer = new QTimer ;
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_timer->setInterval(ms_update_period);
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_timer->setSingleShot(true);
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QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(timerUpdate())) ;
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_timer->start() ;
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}
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RsAutoUpdatePage::~RsAutoUpdatePage()
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{
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if(_timer != NULL)
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delete _timer ;
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_timer = NULL ;
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}
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void RsAutoUpdatePage::securedUpdateDisplay()
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{
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if(_locked == false && (mUpdateWhenInvisible || isVisible())) {
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updateDisplay();
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update() ; // Qt flush
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}
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}
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void RsAutoUpdatePage::showEvent(QShowEvent */*event*/)
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{
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//std::cout << "RsAutoUpdatePage::showEvent() In show event !!" << std::endl ;
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if(!_locked && !mUpdateWhenInvisible)
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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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securedUpdateDisplay() ;
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_timer->start() ;
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}
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void RsAutoUpdatePage::lockAllEvents() { _locked = true ; }
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void RsAutoUpdatePage::unlockAllEvents() { _locked = false ; }
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bool RsAutoUpdatePage::eventsLocked() { return _locked ; }
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