Files
lmms/src/gui/MainApplication.cpp
2017-11-13 08:52:08 +09:00

107 lines
2.6 KiB
C++

/*
* MainApplication.cpp - Main QApplication handler
*
* Copyright (c) 2017-2017 Tres Finocchiaro <tres.finocchiaro/at/gmail.com>
*
* This file is part of LMMS - http://lmms.io
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include "MainApplication.h"
#include <QDebug>
#include <QFileOpenEvent>
#include "Engine.h"
#include "GuiApplication.h"
#include "MainWindow.h"
#include "Song.h"
MainApplication::MainApplication(int& argc, char** argv) :
QApplication(argc, argv),
m_queuedFile()
{
#if defined(LMMS_BUILD_WIN32) && QT_VERSION >= 0x050000
installNativeEventFilter(this);
#endif
}
bool MainApplication::event(QEvent* event)
{
switch(event->type())
{
case QEvent::FileOpen:
{
QFileOpenEvent * fileEvent = static_cast<QFileOpenEvent *>(event);
// Handle the project file
m_queuedFile = fileEvent->file();
if(Engine::getSong())
{
if(gui->mainWindow()->mayChangeProject(true))
{
qDebug() << "Loading file " << m_queuedFile;
Engine::getSong()->loadProject(m_queuedFile);
}
}
else
{
qDebug() << "Queuing file " << m_queuedFile;
}
return true;
}
default:
return QApplication::event(event);
}
}
#ifdef LMMS_BUILD_WIN32
// This can be moved into nativeEventFilter once Qt4 support has been dropped
bool MainApplication::winEventFilter(MSG* msg, long* result)
{
switch(msg->message)
{
case WM_STYLECHANGING:
if(msg->wParam == GWL_EXSTYLE)
{
// Prevent plugins making the main window transparent
STYLESTRUCT * style = reinterpret_cast<STYLESTRUCT *>(msg->lParam);
if(!(style->styleOld & WS_EX_LAYERED))
{
style->styleNew &= ~WS_EX_LAYERED;
}
*result = 0;
return true;
}
return false;
default:
return false;
}
}
#if QT_VERSION >= 0x050000
bool MainApplication::nativeEventFilter(const QByteArray& eventType,
void* message, long* result)
{
if(eventType == "windows_generic_MSG")
{
return winEventFilter(static_cast<MSG *>(message), result);
}
return false;
}
#endif
#endif