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#include "MainView.h" |
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#include <QApplication> |
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#include <QPushButton> |
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#include <QLabel> |
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#include <QStackedLayout> |
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#include <QSvgWidget> |
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#include <QTimer> |
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#include <QKeyEvent> |
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#include <QSettings> |
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#include <QMessageBox> |
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#include "MyWebView.h" |
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#include "clientsiderender.h" |
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#include "pictureview.h" |
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#include "videoview.h" |
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#include "httpwrapper.h" |
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MainView::MainView(QWidget* parent) |
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: QWidget(parent), timer(0) |
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{ |
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loadSettings(); |
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|
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if ( currentMode == ModeXml) { |
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xmlUrl = url + "?screen_id=" + screenid; |
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qDebug() << "Starting XML mode"; |
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qDebug() << "xmlUrl" << xmlUrl; |
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} |
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if (currentMode == ModeSimpleWeb){ |
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qDebug() << "Starting plain browser mode"; |
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} |
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if (currentMode == ModeLocal ) { |
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qDebug() << "Starting local mode"; |
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qDebug() << "path" << path; |
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readLocalFiles(); |
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} |
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this->resize(400,400); |
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this->setWindowState( Qt::WindowFullScreen ); |
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this->grabKeyboard(); |
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qApp->setOverrideCursor( QCursor( Qt::BlankCursor) ); |
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render = new ClientSideRender(this); |
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web = new MyWebView(this); |
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picture = new PictureView(this); |
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video = new VideoView(this); |
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svg = new QSvgWidget(this); |
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layout = new QStackedLayout(); |
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layout->addWidget(web); |
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layout->addWidget(render); |
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layout->addWidget(picture); |
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layout->addWidget(video); |
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layout->addWidget(svg); |
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layout->setContentsMargins(0,0,0,0); |
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setLayout(layout); |
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if (currentMode == ModeSimpleWeb) { |
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web->setVisible(true); |
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web->start(url,screenid); |
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} |
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if (currentMode == ModeXml || currentMode == ModeLocal) { |
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qDebug() << "Starting timer..."; |
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timer = new QTimer(this); |
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connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() )); |
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timer->start(100); |
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} |
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} |
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void MainView::loadSettings() |
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{ |
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settings = new QSettings("Caddi", "infoscreen"); |
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qDebug() << "Loading settings" << settings->fileName(); |
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QString mode = settings->value("mode").toString().toLower(); |
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if (mode == "simpleweb") { |
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currentMode = ModeSimpleWeb; |
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} else if (mode == "xml") { |
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currentMode = ModeXml; |
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} else if (mode == "local") { |
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currentMode = ModeLocal; |
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} else { |
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currentMode = ModeNone; |
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QMessageBox::warning(this, "infoscreen", "no operation mode set or mode given an invalid value"); |
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exit(1); |
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} |
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if (currentMode == ModeSimpleWeb || currentMode == ModeXml) { |
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url = settings->value("url").toString(); |
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screenid = settings->value("screenid").toString(); |
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if (url == "" || screenid == "") { |
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QMessageBox::warning(this,"infoscreen","Could not find url or screenid in config file " + settings->fileName()); |
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exit(1); //Normal qApp->exit() doesn't terminate the init sequence so use std C exit function |
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} |
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} |
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if (currentMode == ModeLocal) { |
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path = settings->value("path").toString(); |
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if (path == "") { |
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QMessageBox::warning(this,"infoscreen","Could not find path in config file " + settings->fileName()); |
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exit(1); |
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} |
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} |
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} |
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void MainView::closeEvent ( QCloseEvent * event ) |
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{ |
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Q_UNUSED(event); |
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exit(0); //force application shutdown |
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} |
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void MainView::keyPressEvent ( QKeyEvent* event ) |
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{ |
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int key = event->key(); |
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if (key == ' ' || key == Qt::Key_Return || key == Qt::Key_Enter) { |
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close(); |
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} |
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} |
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void MainView::onTimer() |
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{ |
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screenManager.timerTick(); |
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if (currentMode == ModeXml) { |
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readXml(); |
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} |
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switchScreens(); |
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} |
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void MainView::readLocalFiles() |
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{ |
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QDir dir(path); |
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if (! dir.exists()) { |
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QMessageBox::warning(this,"infoscreen","Local Source directory not found: " + path); |
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exit(1); |
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} |
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QFileInfoList files = dir.entryInfoList(QDir::Files, QDir::Name); //only files, sort by name |
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for (int i=0; i<files.size(); ++i) { |
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QFileInfo file = files[i]; |
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qDebug() << "Found" << file.fileName(); |
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ScreenItem item; |
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item.url = file.filePath(); |
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item.module = ModuleUnknown; |
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QString ext = file.suffix().toLower(); |
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if (ext == "avi" || ext == "mpg" || ext == "mpeg") { |
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item.module = ModuleVideo; |
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item.runtime = 1; |
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} |
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if (ext == "jpg" || ext == "jpeg" || ext == "png" ) { |
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item.module = ModuleImage; |
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item.runtime = 10; |
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} |
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if (ext == "svg") { |
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item.module = ModuleSvg; |
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item.runtime = 10; |
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} |
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if (ext == "htm" || ext == "html") { |
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item.module = ModuleWeb; |
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item.runtime = 10; |
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} |
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if (item.module != ModuleUnknown) { //no need to enqueue unknown modules |
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screenItems.push_back( item ); |
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} |
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} |
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qDebug() << "Found " << screenItems.size() << " playable items"; |
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} |
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bool MainView::readXml() |
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{ |
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const int TIMEOUT = 30*60*1000; // 30 minutter |
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if ( lastXml.isNull() || lastXml.elapsed() > TIMEOUT) { |
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bool res = xmlHandler.readXml( xmlUrl ); |
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lastXml = QTime::currentTime(); |
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screenItems = xmlHandler.getScreenSet(); |
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if ( currentItemIdx >= screenItems.size() ) |
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currentItemIdx = screenItems.size()-1; //avoid overflow |
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return true; |
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} else { |
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return false; |
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} |
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} |
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void MainView::switchScreens() |
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{ |
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if (video->isVisible() && video->isPlaying() ) { |
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return; //wait until current clip has finished |
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} |
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if (lastScreenSwitch.isNull() || lastScreenSwitch.elapsed() > (currentItem.runtime*1000)) { |
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QTime now = QTime::currentTime(); |
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if (lastScreenSwitch.isNull()) |
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currentItemIdx = -1; |
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bool found = false; |
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int tries = 0; |
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if (screenItems.size() > 0) { //only try if we have a any screens |
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while (found == false && tries <= screenItems.size()) { //find next with valid display time |
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tries++; |
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currentItemIdx = (currentItemIdx+1) % screenItems.size(); |
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currentItem = screenItems.at(currentItemIdx); |
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if (currentItem.start.isValid() && currentItem.stop.isValid()) { |
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if (currentItem.start <= now && now <= currentItem.stop ) |
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found = true; |
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} else { // if start or stop time was invalid - show them always |
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found = true; |
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} |
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} |
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} |
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if (found) { |
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switch(currentItem.module) { |
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case ModuleImage: |
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ensureVisible(picture); |
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picture->loadFromUrl( currentItem.url ); |
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break; |
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case ModuleWeb: |
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ensureVisible(web); |
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web->load(currentItem.url); |
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break; |
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case ModuleVideo: |
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ensureVisible(video); |
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video->loadUrl(currentItem.url); |
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break; |
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case ModuleSvg: |
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ensureVisible(svg); |
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svg->load(currentItem.url); |
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break; |
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default: |
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// ModuleUnknown - what should we do?? |
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break; |
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} |
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} else { |
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qDebug() << "no screen"; |
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errorInfoScreen("Der er ingen information at vise"); |
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} |
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lastScreenSwitch = QTime::currentTime(); |
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} |
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} |
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void MainView::errorInfoScreen(QString msg) |
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{ |
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ensureVisible(web); |
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web->setHtml("<html>\ |
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<body text='#505050' bgcolor='#000000'>\ |
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<table width='100%' height='100%'><tr><td align='center' valign='middel'><h1>" + msg+ "</h1></td></tr></table>\ |
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</body></html>"); |
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} |
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void MainView::ensureVisible(QWidget* widget) |
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{ |
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layout->setCurrentWidget(widget); |
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} |