RetroShare/retroshare-gui/src/gui/RsAutoUpdatePage.cpp
2018-12-25 21:34:59 +01:00

75 lines
2.7 KiB
C++

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