void StudentDashBoard::createActions()
{
//reset system toolbar
connect(timer,SIGNAL(timeout()),this,SLOT(statusMessage()));
connect(messageCheck,SIGNAL(timeout()),this,SLOT(newQuestion()));
connect(broadCastTimer,SIGNAL(timeout()),SLOT(showBroadCastContent()));
connect(clearHelpContent,SIGNAL(timeout()),ui->label,SLOT(clear()));
connect(clearHelpContent,SIGNAL(timeout()),clearHelpContent,SLOT(stop()));
connect(clearBroadCastContent,SIGNAL(timeout()),SLOT(clearBroadCast()));
connect(clearBroadCastContent,SIGNAL(timeout()),clearBroadCastContent,SLOT(stop()));
//the head actions
connect(ui->exit,SIGNAL(clicked()),this,SLOT(quitApp()));
connect(ui->helpBtn,SIGNAL(clicked()),this,SLOT(showHelpInfo()));
//viewppt
connect(ui->viewpptBtn,SIGNAL(clicked()),this,SLOT(viewPPt()));
//coding
connect(ui->codingBtn,SIGNAL(clicked()),timer,SLOT(stop()));
connect(ui->codingBtn,SIGNAL(clicked()),codingWin,SLOT(showFullScreen()));
connect(codingWin,SIGNAL(exitCoding()),SLOT(showFullScreen()));
connect(codingWin,SIGNAL(serverStarted()),SLOT(hide()));///???????????????????????????????!!!!!!!!!!!!!!!!!
//question
connect(ui->questionViewBtn,SIGNAL(clicked()),this,SLOT(exerciseQuestion()));
//socket to server
connect(socket, SIGNAL( readyRead()), SLOT(receiveQuestionID()));
// connect(qApp,SIGNAL(aboutToQuit()),SLOT(sendStudentStatus()));
//video view
connect(ui->viewVideoBtn,SIGNAL(clicked()),this,SLOT(viewVideos()));
//refreshdata
connect(this,SIGNAL(refreshDatabase()),SLOT(refreshDataFromDB()));
}
void CameraMainWindow::delayedInit()
{
settingsDialog = new QDialog( this );
settingsDialog->setModal( true );
settings = new Ui::CameraSettings();
settings->setupUi( settingsDialog );
settingsDialog->setObjectName( "settings" ); // To pick up correct help.
connect( settings->photo_quality, SIGNAL(valueChanged(int)),
settings->photo_quality_n, SLOT(setNum(int)) );
QFileSystemFilter *fsf = new QFileSystemFilter;
fsf->documents = QFileSystemFilter::Set;
settings->location->setFilter(fsf);
// load settings from config
QSettings cfg("Trolltech","Camera");
cfg.beginGroup("General");
QString l = cfg.value("location").toString();
if ( !l.isEmpty() )
settings->location->setLocation(l);
else
settings->location->setLocation(QFileSystem::documentsFileSystem().documentsPath());
storagepath = settings->location->documentPath();
cfg.endGroup();
cfg.beginGroup("Photo");
int w;
w = cfg.value("width",camera->videocaptureview->recommendedPhotoSize().width()).toInt();
for (psize=0; psize<(int)photo_size.count()-1 && photo_size[psize].width() > w;)
psize++;
pquality = cfg.value("quality",settings->photo_quality->value()).toInt();
cfg.endGroup();
cfg.beginGroup("Video");
w = cfg.value("width",camera->videocaptureview->recommendedVideoSize().width()).toInt();
for (vsize=0; vsize<(int)video_size.count()-1 && video_size[vsize].width() > w;)
vsize++;
vquality = cfg.value("quality",settings->video_quality->value()).toInt();
vframerate = cfg.value("framerate",settings->video_framerate->value()).toInt();
for (int i=0; i<(int)photo_size.count(); i++) {
settings->photo_size->addItem(tr("%1 x %2","picture size e.g. 640 x 480").arg(photo_size[i].width()).arg(photo_size[i].height()));
}
for (int i=0; i<(int)video_size.count(); i++) {
settings->video_size->addItem(tr("%1 x %2","picture size e.g. 640 x 480").arg(video_size[i].width()).arg(video_size[i].height()));
}
QMimeType m( QLatin1String( "image/jpeg" ));
QContent a = m.application();
QIcon picViewIcon = a.icon();
if ( picViewIcon.isNull() )
picViewIcon = QIcon( QLatin1String( ":icon/view" ));
if ( video_supported ) {
// If video_supported is ever not a constant false then ensure
// an application is available to handle it
if ( a.isValid() )
{
a_vview = new QAction( QIcon(":image/"+a.iconName()), QString("%1...").arg(a.name()), this );
connect( a_vview, SIGNAL(triggered()), this, SLOT(viewVideos()) );
}
} else {
a_vview = 0;
}
a_pview = new QAction( QIcon(), tr( "View pictures" ), this );
a_pview->setIcon(picViewIcon);
connect( a_pview, SIGNAL(triggered()), this, SLOT(viewPictures()) );
a_timer = new QAction( QIcon( ":icon/wait" ) , tr("Timer"), this );
connect( a_timer, SIGNAL(triggered()), this, SLOT(takePhotoTimer()) );
if(camera->videocaptureview->available())
{
a_settings = new QAction( QIcon( ":icon/settings" ) , tr("Settings..."), this );
connect( a_settings, SIGNAL(triggered()), this, SLOT(doSettings()) );
}
a_th_edit = new QAction( QIcon(":icon/edit"), tr("Edit"), this );
connect( a_th_edit, SIGNAL(triggered()), this, SLOT(editThumb()) );
a_th_del = new QAction( QIcon(":icon/trash"), tr("Delete"), this );
connect( a_th_del, SIGNAL(triggered()), this, SLOT(delThumb()) );
a_th_add = new QAction( QIcon(":image/addressbook/AddressBook"), tr("Save to Contact..."), this );
connect( a_th_add, SIGNAL(triggered()), this, SLOT(moveToContact()) );
a_send = new QAction( QIcon( ":icon/beam" ), tr("Send to Contact..."), this );
connect( a_send, SIGNAL(triggered()), this, SLOT(sendFile()) );
a_zoom = new QAction( QIcon( ), tr("Zoom"), this);
connect(a_zoom, SIGNAL(triggered()), this, SLOT(showZoom()));
m_zoom = new QSlider(this);
m_zoom->setSliderPosition(50);
m_zoom->setOrientation(Qt::Horizontal);
m_zoom->setRange(camera->videocaptureview->minZoom(),camera->videocaptureview->maxZoom());
m_zoom->setValue(0);
m_zoom->setGeometry(width()*1/5, height()*2/3, 60*width()/100, 40*height()/100);
m_zoom->hide();
connect(m_zoom, SIGNAL(valueChanged(int)), this, SLOT(zoomChanged(int)));
QMenu *contextMenu = QSoftMenuBar::menuFor(this);
if(camera->videocaptureview->available())
{
contextMenu->addAction( a_pview );
if ( video_supported )
contextMenu->addAction( a_vview );
contextMenu->addAction( a_th_edit );
contextMenu->addAction( a_th_del );
contextMenu->addAction( a_th_add );
contextMenu->addAction( a_timer );
contextMenu->addAction( a_send );
contextMenu->addAction( a_settings );
contextMenu->addAction( a_zoom );
}
connect(contextMenu, SIGNAL(aboutToHide()),
this, SLOT(contextMenuAboutToHide()));
connect(contextMenu, SIGNAL(aboutToShow()),
this, SLOT(contextMenuAboutToShow()));
QSignalMapper* sm = new QSignalMapper(this);
for (int i=0; i<nthumb; i++) {
sm->setMapping(thumb[i],i);
connect(thumb[i],SIGNAL(clicked()),sm,SLOT(map()));
thumb[i]->installEventFilter(this);
}
connect(sm,SIGNAL(mapped(int)),this,SLOT(thumbClicked(int)));
installEventFilter(camera->photo);
installEventFilter(camera->video);
camera->photo->installEventFilter(this);
camera->video->installEventFilter(this);
loadThumbs();
preview();
}