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//##########################################################################
//# #
//# CLOUDCOMPARE #
//# #
//# This program is free software; you can redistribute it and/or modify #
//# it under the terms of the GNU General Public License as published by #
//# the Free Software Foundation; version 2 or later of the License. #
//# #
//# 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 General Public License for more details. #
//# #
//# COPYRIGHT: EDF R&D / TELECOM ParisTech (ENST-TSI) #
//# #
//##########################################################################
#include "ccProgressDialog.h"
//Qt
#include <QCoreApplication>
#include <QPushButton>
#include <QProgressBar>
ccProgressDialog::ccProgressDialog( bool showCancelButton,
QWidget *parent/*=0*/ )
: QProgressDialog(parent)
, m_currentValue(0)
, m_lastRefreshValue(-1)
{
setAutoClose(true);
resize(400, 200);
setRange(0, 100);
setMinimumWidth(400);
QPushButton* cancelButton = 0;
if (showCancelButton)
{
cancelButton = new QPushButton("Cancel");
cancelButton->setDefault(false);
cancelButton->setFocusPolicy(Qt::NoFocus);
}
setCancelButton(cancelButton);
connect(this, &ccProgressDialog::scheduleRefresh, this, &ccProgressDialog::refresh, Qt::QueuedConnection); //can't use DirectConnection here!
}
void ccProgressDialog::refresh()
{
int value = m_currentValue;
if (m_lastRefreshValue != value)
{
m_lastRefreshValue = value;
setValue(value); //See Qt doc: if the progress dialog is modal, setValue() calls QApplication::processEvents()
}
}
void ccProgressDialog::update(float percent)
{
//thread-safe
int value = static_cast<int>(percent);
if (value != m_currentValue)
{
m_currentValue = value;
emit scheduleRefresh();
QCoreApplication::processEvents(); //we let the main thread breath (so that the call to 'refresh' can be performed)
}
}
void ccProgressDialog::setMethodTitle(QString methodTitle)
{
setWindowTitle(methodTitle);
}
void ccProgressDialog::setInfo(QString infoStr)
{
setLabelText(infoStr);
if (isVisible())
{
QProgressDialog::update();
QCoreApplication::processEvents();
}
}
void ccProgressDialog::start()
{
m_lastRefreshValue = -1;
show();
QCoreApplication::processEvents();
}
void ccProgressDialog::stop()
{
hide();
QCoreApplication::processEvents();
}
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