549 lines
17 KiB
C++
549 lines
17 KiB
C++
/* This file is a part of plaYUVerApp project
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* Copyright (C) 2014 by plaYUVerApp developers
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* \file plaYUVerApp.cpp
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* \brief Main definition of the plaYUVerApp app
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*/
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#if( QT_VERSION_PLAYUVER == 5 )
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#include <QtWidgets>
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#elif( QT_VERSION_PLAYUVER == 4 )
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#include <QtGui>
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#endif
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#include <QtDebug>
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#include "TypeDef.h"
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#include "plaYUVerApp.h"
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#include "SubWindowHandle.h"
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#include "InputStream.h"
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namespace plaYUVer
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{
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plaYUVerApp::plaYUVerApp()
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{
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setWindowModality( Qt::ApplicationModal );
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mdiArea = new QMdiArea;
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setCentralWidget( mdiArea );
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//mdiArea->setHorizontalScrollBarPolicy( Qt::ScrollBarAsNeeded );
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//mdiArea->setVerticalScrollBarPolicy( Qt::ScrollBarAsNeeded );
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connect( mdiArea, SIGNAL( subWindowActivated(QMdiSubWindow*) ), this, SLOT( updateMenus() ) );
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mapperWindow = new QSignalMapper( this );
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connect( mapperWindow, SIGNAL( mapped(QWidget*) ), this, SLOT( setActiveSubWindow(QWidget*) ) );
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createActions();
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createMenus();
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createToolBars();
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createStatusBar();
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updateMenus();
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readSettings();
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setWindowTitle( tr( "plaYUVerApp" ) );
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setWindowIcon( QIcon( ":/images/playuver.png" ) );
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setUnifiedTitleAndToolBarOnMac( true );
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playingTimer = new QTimer( this );
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setAcceptDrops( true );
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mdiArea->setAcceptDrops( true );
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connect( playingTimer, SIGNAL( timeout() ), this, SLOT( playEvent() ) );
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}
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Void plaYUVerApp::closeEvent( QCloseEvent *event )
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{
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mdiArea->closeAllSubWindows();
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if( mdiArea->currentSubWindow() )
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{
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event->ignore();
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}
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else
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{
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writeSettings();
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event->accept();
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}
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}
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// ----------------------- File Functions -----------------------
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void plaYUVerApp::open()
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{
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QString supported = tr( "Supported Files" );
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QString formats = InputStream::supportedReadFormats();
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formats.prepend( " (" );
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formats.append( ")" );
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supported.append( formats ); // supported=="Supported Files (*.pbm *.jpg...)"
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QStringList filter;
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filter << supported << InputStream::supportedReadFormatsList() << tr( "All Files (*)" );
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QString fileName = QFileDialog::getOpenFileName( this, tr( "Open File" ), m_cLastOpenPath, filter.join( ";;" ) );
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if( !fileName.isEmpty() )
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{
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m_cLastOpenPath = QFileInfo( fileName ).path();
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QMdiSubWindow *existing = findSubWindow( fileName );
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if( existing )
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{
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mdiArea->setActiveSubWindow( existing );
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return;
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}
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SubWindowHandle *interfaceChild = new SubWindowHandle( this ); //createSubWindow();
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if( interfaceChild->loadFile( fileName ) )
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{
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addSubWindow( interfaceChild );
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statusBar()->showMessage( tr( "File loaded" ), 2000 );
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interfaceChild->show();
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}
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else
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{
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interfaceChild->close();
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}
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}
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}
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void plaYUVerApp::save()
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{
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if( activeSubWindow() )
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activeSubWindow()->save();
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}
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// ----------------------- Playing Functions --------------------
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void plaYUVerApp::play()
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{
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UInt frameRate;
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UInt timeInterval;
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frameRate = activeSubWindow()->getInputStream()->getFrameRate();
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timeInterval = ( UInt )( 1000.0 / frameRate + 0.5 );
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playingTimer->start( timeInterval );
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}
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void plaYUVerApp::pause()
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{
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playingTimer->stop();
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}
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void plaYUVerApp::stop()
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{
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playingTimer->stop();
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//disconnect( playingTimer, SIGNAL( timeout() ), 0, 0 );
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}
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void plaYUVerApp::playEvent()
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{
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if( activeSubWindow() )
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{
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if( !activeSubWindow()->playEvent() )
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{
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playingTimer->stop();
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}
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}
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}
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// ----------------------- Zoom Functions -----------------------
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void plaYUVerApp::normalSize()
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{
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if( activeSubWindow() )
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activeSubWindow()->normalSize();
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}
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void plaYUVerApp::zoomToFit()
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{
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if( activeSubWindow() )
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activeSubWindow()->zoomToFit();
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}
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void plaYUVerApp::scaleFrame( int ratio )
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{
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if( activeSubWindow() )
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{
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activeSubWindow()->scaleView( (Double)(ratio)/100.0 );
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actionZoomIn->setEnabled( activeSubWindow()->getScaleFactor() < 3.0 );
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actionZoomOut->setEnabled( activeSubWindow()->getScaleFactor() > 0.333 );
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}
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}
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// ----------------------- About Functions -----------------------
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void plaYUVerApp::about()
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{
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QMessageBox::about( this, tr( "About plaYUVerApp" ), tr( "The <b>plaYUVerApp</b> is an open-source raw video player " ) );
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}
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void plaYUVerApp::updateMenus()
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{
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Bool hasSubWindow = ( activeSubWindow() != 0 );
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actionSave->setEnabled( hasSubWindow );
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actionClose->setEnabled( hasSubWindow );
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actionCloseAll->setEnabled( hasSubWindow );
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actionTile->setEnabled( hasSubWindow );
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actionCascade->setEnabled( hasSubWindow );
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actionNext->setEnabled( hasSubWindow );
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actionPrevious->setEnabled( hasSubWindow );
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actionSeparator->setVisible( hasSubWindow );
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actionZoomIn->setEnabled( hasSubWindow );
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actionZoomOut->setEnabled( hasSubWindow );
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actionNormalSize->setEnabled( hasSubWindow );
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actionZoomToFit->setEnabled( hasSubWindow );
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actionVideoPlay->setEnabled( hasSubWindow );
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actionVideoPause->setEnabled( hasSubWindow );
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actionVideoStop->setEnabled( hasSubWindow );
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actionVideoBackward->setEnabled( hasSubWindow );
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actionVideoForward->setEnabled( hasSubWindow );
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}
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void plaYUVerApp::updateWindowMenu()
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{
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updateMenus();
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QList<QMdiSubWindow *> windows = mdiArea->subWindowList();
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actionSeparator->setVisible( !windows.isEmpty() );
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for( Int i = 0; i < windows.size(); ++i )
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{
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SubWindowHandle *child = qobject_cast<SubWindowHandle *>( windows.at( i ) );
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QString text;
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if( i < 9 )
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{
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text = tr( "&%1 %2" ).arg( i + 1 ).arg( child->userFriendlyCurrentFile() );
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}
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else
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{
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text = tr( "%1 %2" ).arg( i + 1 ).arg( child->userFriendlyCurrentFile() );
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}
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QAction *action = menuWindow->addAction( text );
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action->setCheckable( true );
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action->setChecked( child == activeSubWindow() );
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connect( action, SIGNAL( triggered() ), mapperWindow, SLOT( map() ) );
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mapperWindow->setMapping( action, windows.at( i ) );
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}
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}
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SubWindowHandle *plaYUVerApp::createSubWindow()
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{
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SubWindowHandle *child = new SubWindowHandle;
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mdiArea->addSubWindow( child );
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return child;
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}
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void plaYUVerApp::addSubWindow( SubWindowHandle *child )
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{
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//connect( child, SIGNAL( areaSelected( QRect ) ), this, SLOT( setSelection( QRect ) ) );
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// Add the interface to the mdiArea
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mdiArea->addSubWindow( child );
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return;
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}
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Void plaYUVerApp::createActions()
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{
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// ------------ File ------------
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actionOpen = new QAction( QIcon( ":/images/open.png" ), tr( "&Open..." ), this );
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actionOpen->setShortcuts( QKeySequence::Open );
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actionOpen->setStatusTip( tr( "Open an existing file" ) );
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connect( actionOpen, SIGNAL( triggered() ), this, SLOT( open() ) );
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actionSave = new QAction( QIcon( ":/images/save.png" ), tr( "&Save..." ), this );
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actionSave->setShortcuts( QKeySequence::SaveAs );
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actionSave->setStatusTip( tr( "Save the document under a new name" ) );
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connect( actionSave, SIGNAL( triggered() ), this, SLOT( save() ) );
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actionExit = new QAction( tr( "E&xit" ), this );
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actionExit->setShortcuts( QKeySequence::Quit );
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actionExit->setStatusTip( tr( "Exit the application" ) );
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connect( actionExit, SIGNAL( triggered() ), qApp, SLOT( closeAllWindows() ) );
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actionClose = new QAction( tr( "Cl&ose" ), this );
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actionClose->setIcon( QIcon( ":/images/close.png" ) );
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actionClose->setStatusTip( tr( "Close the active window" ) );
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connect( actionClose, SIGNAL( triggered() ), mdiArea, SLOT( closeActiveSubWindow() ) );
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actionCloseAll = new QAction( tr( "Close &All" ), this );
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actionCloseAll->setStatusTip( tr( "Close all the windows" ) );
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connect( actionCloseAll, SIGNAL( triggered() ), mdiArea, SLOT( closeAllSubWindows() ) );
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// ------------ View ------------
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mapperZoom = new QSignalMapper( this );
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connect( mapperZoom, SIGNAL( mapped(int) ), this, SLOT( scaleFrame(int) ) );
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actionZoomIn = new QAction( tr( "Zoom &In (25%)" ), this );
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actionZoomIn->setIcon( QIcon( ":/images/zoomin.png" ) );
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actionZoomIn->setShortcut( tr( "Ctrl++" ) );
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actionZoomIn->setStatusTip( tr( "Scale the image up by 25%" ) );
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connect (actionZoomIn, SIGNAL(triggered()), mapperZoom, SLOT(map())) ;
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mapperZoom->setMapping(actionZoomIn, 125 );
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actionZoomOut = new QAction( tr( "Zoom &Out (25%)" ), this );
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actionZoomOut->setIcon( QIcon( ":/images/zoomout.png" ) );
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actionZoomOut->setShortcut( tr( "Ctrl+-" ) );
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actionZoomOut->setStatusTip( tr( "Scale the image down by 25%" ) );
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connect (actionZoomOut, SIGNAL(triggered()), mapperZoom, SLOT(map())) ;
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mapperZoom->setMapping(actionZoomOut, 80 );
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actionNormalSize = new QAction( tr( "&Normal Size" ), this );
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actionNormalSize->setIcon( QIcon( ":/images/zoomtonormal.png" ) );
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actionNormalSize->setShortcut( tr( "Ctrl+N" ) );
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actionNormalSize->setStatusTip( tr( "Show the image at its original size" ) );
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connect( actionNormalSize, SIGNAL( triggered() ), this, SLOT( normalSize() ) );
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actionZoomToFit = new QAction( tr( "Zoom to &Fit" ), this );
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actionZoomToFit->setIcon( QIcon( ":/images/fittowindow.png" ) );
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actionZoomToFit->setStatusTip( tr( "Zoom in or out to fit on the window." ) );
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actionZoomToFit->setShortcut( tr( "Ctrl+F" ) );
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connect( actionZoomToFit, SIGNAL( triggered() ), this, SLOT( zoomToFit() ) );
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// ------------ Playing ------------
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actionVideoPlay = new QAction( "VideoPlay", this );
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actionVideoPause = new QAction( "VideoPause", this );
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actionVideoStop = new QAction( "VideoStop", this );
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actionVideoBackward = new QAction( "VideoBackward", this );
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actionVideoForward = new QAction( "VideoForward", this );
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actionVideoLoop = new QAction( "VideoLoop", this );
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actionVideoLock = new QAction( "VideoLock", this );
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actionVideoInterlace = new QAction( "VideoInterlace", this );
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actionVideoCenter = new QAction( "VideoCenter", this );
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actionVideoPlay->setIcon( QIcon( style()->standardIcon( QStyle::SP_MediaPlay ) ) );
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actionVideoPause->setIcon( QIcon( style()->standardIcon( QStyle::SP_MediaPause ) ) );
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actionVideoStop->setIcon( QIcon( style()->standardIcon( QStyle::SP_MediaStop ) ) );
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actionVideoBackward->setIcon( QIcon( style()->standardIcon( QStyle::SP_MediaSeekBackward ) ) );
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actionVideoForward->setIcon( QIcon( style()->standardIcon( QStyle::SP_MediaSeekForward ) ) );
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/*
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actionVideoLoop ->setIcon( QIcon( ":/images/videoloop.png" ) );
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actionVideoLock ->setIcon( QIcon( ":/images/lock.png" ) );
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actionVideoInterlace->setIcon( QIcon( ":/images/interlace.png" ) );
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actionVideoCenter ->setIcon( QIcon( ":/images/center.png" ) );
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*/
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connect( actionVideoPlay, SIGNAL( triggered() ), this, SLOT( play() ) );
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connect( actionVideoPause, SIGNAL( triggered() ), this, SLOT( pause() ) );
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connect( actionVideoStop, SIGNAL( triggered() ), this, SLOT( stop() ) );
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// ------------ Window ------------
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actionTile = new QAction( tr( "&Tile" ), this );
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actionTile->setStatusTip( tr( "Tile the windows" ) );
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connect( actionTile, SIGNAL( triggered() ), mdiArea, SLOT( tileSubWindows() ) );
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actionCascade = new QAction( tr( "&Cascade" ), this );
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actionCascade->setStatusTip( tr( "Cascade the windows" ) );
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connect( actionCascade, SIGNAL( triggered() ), mdiArea, SLOT( cascadeSubWindows() ) );
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actionNext = new QAction( tr( "Ne&xt" ), this );
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actionNext->setShortcuts( QKeySequence::NextChild );
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actionNext->setStatusTip( tr( "Move the focus to the next window" ) );
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connect( actionNext, SIGNAL( triggered() ), mdiArea, SLOT( activateNextSubWindow() ) );
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actionPrevious = new QAction( tr( "Pre&vious" ), this );
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actionPrevious->setShortcuts( QKeySequence::PreviousChild );
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actionPrevious->setStatusTip( tr( "Move the focus to the previous window" ) );
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connect( actionPrevious, SIGNAL( triggered() ), mdiArea, SLOT( activatePreviousSubWindow() ) );
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actionSeparator = new QAction( this );
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actionSeparator->setSeparator( true );
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// ------------ About ------------
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actionAbout = new QAction( tr( "&About" ), this );
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actionAbout->setStatusTip( tr( "Show the application's About box" ) );
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connect( actionAbout, SIGNAL( triggered() ), this, SLOT( about() ) );
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actionAboutQt = new QAction( tr( "About &Qt" ), this );
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actionAboutQt->setIcon( QIcon( ":images/qt.png" ) );
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actionAboutQt->setStatusTip( tr( "Show the Qt library's About box" ) );
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connect( actionAboutQt, SIGNAL( triggered() ), qApp, SLOT( aboutQt() ) );
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}
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Void plaYUVerApp::createMenus()
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{
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menuFile = menuBar()->addMenu( tr( "&File" ) );
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menuFile->addAction( actionOpen );
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menuFile->addSeparator();
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menuFile->addAction( actionSave );
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menuFile->addSeparator();
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menuFile->addAction( actionClose );
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menuFile->addAction( actionExit );
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menuView = new QMenu( tr( "&View" ), this );
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menuView->addAction( actionZoomIn );
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menuView->addAction( actionZoomOut );
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menuView->addAction( actionNormalSize );
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menuView->addAction( actionZoomToFit );
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menuWindow = menuBar()->addMenu( tr( "&Window" ) );
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menuWindow->clear();
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menuWindow->addAction( actionClose );
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menuWindow->addAction( actionCloseAll );
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menuWindow->addSeparator();
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menuWindow->addAction( actionTile );
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menuWindow->addAction( actionCascade );
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menuWindow->addSeparator();
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menuWindow->addAction( actionNext );
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menuWindow->addAction( actionPrevious );
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menuWindow->addAction( actionSeparator );
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updateWindowMenu();
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connect( menuWindow, SIGNAL( aboutToShow() ), this, SLOT( updateWindowMenu() ) );
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menuBar()->addSeparator();
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menuHelp = menuBar()->addMenu( tr( "&Help" ) );
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menuHelp->addAction( actionAbout );
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menuHelp->addAction( actionAboutQt );
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}
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Void plaYUVerApp::createToolBars()
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{
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toolbarFile = addToolBar( tr( "File" ) );
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toolbarFile->addAction( actionOpen );
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toolbarFile->addAction( actionSave );
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toolbarFile->addAction( actionClose );
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toolbarView = addToolBar( tr( "Zoom" ) );
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toolbarView->addAction( actionZoomIn );
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toolbarView->addAction( actionZoomOut );
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toolbarView->addAction( actionNormalSize );
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toolbarView->addAction( actionZoomToFit );
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toolbarVideo = addToolBar( tr( "Video" ) );
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toolbarVideo->addAction( actionVideoPlay );
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toolbarVideo->addAction( actionVideoPause );
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toolbarVideo->addAction( actionVideoStop );
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toolbarVideo->addAction( actionVideoBackward );
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toolbarVideo->addAction( actionVideoForward );
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toolbarVideo->addAction( actionVideoLoop );
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toolbarVideo->addAction( actionVideoLock );
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toolbarVideo->addAction( actionVideoInterlace );
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toolbarVideo->addAction( actionVideoCenter );
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}
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Void plaYUVerApp::createStatusBar()
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{
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statusBar()->showMessage( tr( "Ready" ) );
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}
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/*
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* Drag and drop functions
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*/
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void plaYUVerApp::dragEnterEvent( QDragEnterEvent *event )
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{
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//setText(tr("<drop content>"));
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setBackgroundRole( QPalette::Highlight );
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event->acceptProposedAction();
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}
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void plaYUVerApp::dropEvent( QDropEvent *event )
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{
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const QMimeData *mimeData = event->mimeData();
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QList<QUrl> urlList = mimeData->urls();
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if( urlList.size() == 1 )
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{
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QString fileName = urlList.at( 0 ).toLocalFile();
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m_cLastOpenPath = QFileInfo( fileName ).path();
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QMdiSubWindow *existing = findSubWindow( fileName );
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if( !existing )
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{
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SubWindowHandle *interfaceChild = new SubWindowHandle( this ); //createSubWindow();
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if( interfaceChild->loadFile( fileName ) )
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{
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addSubWindow( interfaceChild );
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statusBar()->showMessage( tr( "File loaded" ), 2000 );
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interfaceChild->show();
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}
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else
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{
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interfaceChild->close();
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}
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}
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}
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}
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Void plaYUVerApp::readSettings()
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{
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QSettings settings( "IT", "YUV Player" );
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QPoint pos = settings.value( "pos", QPoint( 200, 200 ) ).toPoint();
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QSize size = settings.value( "size", QSize( 400, 400 ) ).toSize();
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move( pos );
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resize( size );
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}
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Void plaYUVerApp::writeSettings()
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{
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|
QSettings settings( "IT", "YUV Player" );
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settings.setValue( "pos", pos() );
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settings.setValue( "size", size() );
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}
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SubWindowHandle *plaYUVerApp::activeSubWindow()
|
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{
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if( QMdiSubWindow *activeSubWindow = mdiArea->activeSubWindow() )
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return qobject_cast<SubWindowHandle *>( activeSubWindow );
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return 0;
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|
}
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|
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QMdiSubWindow *plaYUVerApp::findSubWindow( const QString &fileName )
|
|
{
|
|
QString canonicalFilePath = QFileInfo( fileName ).canonicalFilePath();
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|
|
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foreach( QMdiSubWindow * window, mdiArea->subWindowList() ){
|
|
SubWindowHandle *mdiChild = qobject_cast<SubWindowHandle *>( window);
|
|
if( mdiChild->currentFile() == canonicalFilePath )
|
|
return window;
|
|
}
|
|
return 0;
|
|
}
|
|
|
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void plaYUVerApp::setActiveSubWindow( QWidget *window )
|
|
{
|
|
if( !window )
|
|
return;
|
|
mdiArea->setActiveSubWindow( qobject_cast<QMdiSubWindow *>( window ) );
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|
}
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} // NAMESPACE
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