LameXP/src/Dialog_SplashScreen.cpp
2011-01-01 17:04:25 +01:00

133 lines
3.2 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
// Copyright (C) 2004-2011 LoRd_MuldeR <MuldeR2@GMX.de>
//
// 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; either version 2 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// http://www.gnu.org/licenses/gpl-2.0.txt
///////////////////////////////////////////////////////////////////////////////
#include "Dialog_SplashScreen.h"
#include "Global.h"
#include <QThread>
#include <QMovie>
#include <QKeyEvent>
#include <Windows.h>
#define EPS (1.0E-5)
////////////////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////////////////
SplashScreen::SplashScreen(QWidget *parent)
: QFrame(parent, Qt::CustomizeWindowHint | Qt::WindowStaysOnTopHint)
{
//Init the dialog, from the .ui file
setupUi(this);
//Start animation
m_working = new QMovie(":/images/Loading.gif");
labelLoading->setMovie(m_working);
m_working->start();
//Set wait cursor
setCursor(Qt::WaitCursor);
//Prevent close
m_canClose = false;
}
////////////////////////////////////////////////////////////
// Destructor
////////////////////////////////////////////////////////////
SplashScreen::~SplashScreen(void)
{
if(m_working)
{
m_working->stop();
delete m_working;
m_working = NULL;
}
}
////////////////////////////////////////////////////////////
// PUBLIC FUNCTIONS
////////////////////////////////////////////////////////////
void SplashScreen::showSplash(QThread *thread)
{
SplashScreen *splashScreen = new SplashScreen();
//Show splash
splashScreen->m_canClose = false;
splashScreen->setWindowOpacity(0.0);
splashScreen->show();
QApplication::processEvents();
//Start the thread
thread->start();
//Fade in
for(double d = 0.0; d <= 1.0 + EPS; d = d + 0.01)
{
splashScreen->setWindowOpacity(d);
QApplication::processEvents();
Sleep(6);
}
//Loop while thread is running
while(thread->isRunning())
{
QApplication::processEvents(QEventLoop::AllEvents | QEventLoop::WaitForMoreEvents);
}
//Fade out
for(double d = 1.0; d >= 0.0; d = d - 0.01)
{
splashScreen->setWindowOpacity(d);
QApplication::processEvents();
Sleep(6);
}
//Hide splash
splashScreen->m_canClose = true;
splashScreen->close();
LAMEXP_DELETE(splashScreen);
}
////////////////////////////////////////////////////////////
// EVENTS
////////////////////////////////////////////////////////////
void SplashScreen::keyPressEvent(QKeyEvent *event)
{
event->ignore();
}
void SplashScreen::keyReleaseEvent(QKeyEvent *event)
{
event->ignore();
}
void SplashScreen::closeEvent(QCloseEvent *event)
{
if(!m_canClose) event->ignore();
}