VP1EventDisplayEditor.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
 
//                                                            //
//  Header file for class VP1EventDisplayEditor               //
//                                                            //
//  Description: Event display editor.                        //
//                                                            //
//  Author: Riccardo-Maria BIANCHI (rbianchi@cern.ch)         //
//  Initial version: September 2013                           //
//
//  Main updates: 
//  - 2023 Nov, Riccardo.Maria.Bianchi@cern.ch, 
//    Added HTML support in labels
//                                                            //
 
#include "VP1Gui/VP1EventDisplayEditor.h"
#include "ui_vp1eventdisplayeditor.h"
 
#include "VP1Base/VP1ExaminerViewer.h"
#include "VP1Base/VP1QtInventorUtils.h"
#include "VP1Base/VP1Serialise.h"
#include "VP1Base/VP1Deserialise.h"
#include "VP1Gui/VP1MainWindow.h"
 
#include <QRectF>
#include <QShortcut>
#include <QCloseEvent>
#include <QFileDialog>
 
#include <iostream>
 
 
//____________________________________________________________________
class VP1EventDisplayEditor::Imp {
 
public:
 
    VP1EventDisplayEditor * theclass;
    Ui::VP1EventDisplayEditorForm ui;
 
    //  VP1ExaminerViewer* viewer;
 
    //  QGraphicsScene* scene;
 
    //  QWidget * frameHolderWidget;
 
};
 
 
//QByteArray VP1EventDisplayEditor::state() const
//{
//  VP1Serialise s(0/*version*/);
//  QList<QByteArray> frameStates;
//  foreach(VP1CustomTourFrameWidget*frame,d->frames) {
//      frameStates << frame->serialise();
//      s.ignoreWidget(frame);
//  }
//  s.save(frameStates);
//  s.save(d->ui.doubleSpinBox_theta);
//  s.save(d->ui.doubleSpinBox_radius);
//  s.save(d->ui.groupBox_utilityZoom);
//  s.warnUnsaved(this);
//  return s.result();
//}
 
//void VP1EventDisplayEditor::setState(QByteArray ba)
//{
//  foreach(VP1CustomTourFrameWidget*frame,d->frames)
//          frame->deleteLater();
//  d->frames.clear();
//
//  VP1Deserialise s(ba);
//  if (s.version()!=0)
//      return;
//  QList<QByteArray> frameStates = s.restore<QList<QByteArray> >();
//  s.restore(d->ui.doubleSpinBox_theta);
//  s.restore(d->ui.doubleSpinBox_radius);
//  s.restore(d->ui.groupBox_utilityZoom);
//  s.warnUnrestored(this);
//
//  d->ui.widget_utilityZoomContents->setVisible(d->ui.groupBox_utilityZoom->isChecked());
//
//  foreach(QByteArray ba2, frameStates)
//  d->addFrame(new VP1CustomTourFrameWidget(ba2));
//  d->updateFrameListVisuals();
//  enabledFrameListChanged();
//}
 
 
/*
 * My first, old version
 */
//VP1EventDisplayEditor::VP1EventDisplayEditor()
//: QWidget(0,Qt::WindowStaysOnTopHint), d(new Imp)
//{
//  d->theclass = this;
//  d->ui.setupUi(this);
//
//  scene = new QGraphicsScene(); // the size of the scene is by default infinite. But we will limit the view, here below
//  scene->setSceneRect(QRectF(0.0, 0.0, 4000., 2641.));
//
//  scene_preview = new QGraphicsScene();
//
//
//  d->ui.graphicsView->setScene(scene);
//  d->ui.graphicsView->setSceneRect(0, 0, 4000, 2641); // the size of a final ATLAS event display
//  d->ui.graphicsView->setMaximumSize(1000, 660); // the size of the view window on the screen
//
//  d->ui.graphicsView_preview->setScene(scene_preview);
//  d->ui.graphicsView_preview->setSceneRect(0, 0, 333, 220); // the size of the preview scene
//  d->ui.graphicsView_preview->setMaximumSize(333, 220); // the size of the preview window
//
//  // set the default bkg color: black
//  setBackgroundColor();
//
//  setWindowIcon(QIcon(QString(":/vp1/icons/icons/3d_32x32.png")));
//
//  connect(d->ui.pushButton_addText,SIGNAL(clicked()), this,SLOT(addTextLabel()));
//  connect(d->ui.pushButton_removeObj,SIGNAL(clicked()), this,SLOT(removeObject()));
//  connect(d->ui.pushButton_addLogo,SIGNAL(clicked()), this,SLOT(addLogo()));
//
//  connect(d->ui.radioButton_black,SIGNAL(clicked()), this,SLOT(setBackgroundColor()));
//  connect(d->ui.radioButton_white,SIGNAL(clicked()), this,SLOT(setBackgroundColor()));
//  connect(d->ui.radioButton_transparent,SIGNAL(clicked()), this,SLOT(setBackgroundColor()));
//
//  connect(scene,SIGNAL(changed(const QList<QRectF>&)), this,SLOT(updatePreview(const QList<QRectF>&)));
//
//}
 
 
/*
 * new version
 */
//____________________________________________________________________
VP1EventDisplayEditor::VP1EventDisplayEditor(VP1MainWindow* mainWindow, const QList<unsigned long long>& listRunEventNumberTimestamp)
//: QWidget(0,Qt::WindowStaysOnTopHint), d(new Imp)
: QWidget(0), m_d(new Imp)
{
    m_mainWindow = mainWindow;
 
    m_runNumber = listRunEventNumberTimestamp[0];
    m_eventNumber = listRunEventNumberTimestamp[1];
    m_eventTimestamp = listRunEventNumberTimestamp[2];
 
 
    m_d->theclass = this;
    m_d->ui.setupUi(this);
 
    /* initialize the scene
     *
     * this is the scene that will be rendered and saved to the file.
     * By default the scene dimension is 4000x2641 pixels.
     *
     */
    m_scene = new QGraphicsScene();
    m_scene->setSceneRect(QRectF(0.0, 0.0, 4000., 2641.));
 
 
    VP1EventDisplaySceneView *view = new VP1EventDisplaySceneView("Full-size view");
    view->view()->setScene(m_scene);
 
    m_preview = new VP1EventDisplaySceneView("Preview", true);
    m_preview->view()->setScene(m_scene);
 
    // the right splitter, containing the list of objects in the scene and the preview
    QSplitter *previewSplitter = new QSplitter;
    previewSplitter->setOrientation(Qt::Vertical);
 
    // the center splitter, containing the main view and the preview splitter
    QSplitter *viewSplitter = new QSplitter;
    viewSplitter->setOrientation(Qt::Horizontal);
 
    // the center splitter, containing the main view and the preview splitter
    QSplitter *toolsSplitter = new QSplitter;
    toolsSplitter->setOrientation(Qt::Vertical);
 
    // the main splitter, containing all views
    QSplitter *mainSplitter = new QSplitter;
    mainSplitter->setOrientation(Qt::Horizontal);
 
 
    previewSplitter->addWidget(m_d->ui.groupBox_objectList);
    previewSplitter->addWidget(m_preview);
    previewSplitter->addWidget(m_d->ui.groupBox_actions);
 
 
    QWidget *containerPreview = new QWidget;
    QVBoxLayout *containerPreview_layout = new QVBoxLayout;
 
    containerPreview_layout->addWidget(previewSplitter);
    containerPreview->setLayout(containerPreview_layout);
 
    viewSplitter->addWidget(view);
    viewSplitter->addWidget(containerPreview);
 
    QWidget *containerAllViews = new QWidget;
    QHBoxLayout *containerAllViews_layout = new QHBoxLayout;
    containerAllViews_layout->addWidget(viewSplitter);
    containerAllViews->setLayout(containerAllViews_layout);
 
 
    toolsSplitter->addWidget(m_d->ui.groupBox_getTab);
    toolsSplitter->addWidget(m_d->ui.groupBox_bkg);
    toolsSplitter->addWidget(m_d->ui.groupBox_logo);
    toolsSplitter->addWidget(m_d->ui.groupBox_labels);
 
    QWidget *containerTools = new QWidget;
    QVBoxLayout *containerTools_layout = new QVBoxLayout;
    containerTools_layout->addWidget(toolsSplitter);
    containerTools_layout->addStretch(1);
    containerTools->setLayout(containerTools_layout);
 
 
    //  mainSplitter->addWidget(containerTools);
    mainSplitter->addWidget(containerAllViews);
 
    QGridLayout* grid = static_cast<QGridLayout*>(this->layout());
    grid->addWidget(containerTools);
    grid->addWidget(mainSplitter);
 
 
 
    /*
     * setting the size of the preview window
     */
    //m_preview->view()->setFixedSize(450,302);
    /*
     * this triggers a better fitInView() but not enough for our purpose.
     * See: http://stackoverflow.com/a/17085612
     */
    //m_preview->show();
 
    /*
     * setting the size of the viewport
     *
     * Details:
     * The QGraphicsView is not the widget that actually contains the scene,
     * because the QGraphicsView also manages the scrollbars.
     * The scene is drawn in the viewport widget,
     * which is a little smaller than the QGraphicsView.
     * (http://qt-project.org/forums/viewthread/17504)
     *
     * Update: useful, but it's useless here, because we want to use fitInView()
     * from the view, and that does not match with the viewport size.
     */
    //  m_preview->view()->viewport()->setFixedSize(400,265);
 
 
    QSize size = m_preview->view()->maximumViewportSize();
    VP1Msg::message("scene rect: " + QString::number(m_scene->sceneRect().width()) + " - " +  QString::number(m_scene->sceneRect().height()) );
    VP1Msg::message("max preview size: " + QString::number(size.width()) + " - " +  QString::number(size.height()) );
 
    m_preview->view()->ensureVisible ( m_scene->sceneRect(), 0, 0  );
    m_preview->view()->fitInView( m_scene->sceneRect(), Qt::KeepAspectRatio);
 
    // add a frame to preview to define the the rendering area
    m_preview->addRenderingFrame();
 
    // set the default m_scene bkg color: black
    this->setBackgroundColor(); // the "black" checkbox is checked by default in the GUI
 
    setWindowIcon(QIcon(QString(":/vp1/icons/icons/3d_32x32.png")));
 
    connect(m_d->ui.pushButton_get,SIGNAL(clicked()), this,SLOT(getTabSnapshot()));
 
//  connect(m_d->ui.pushButton_eventDetailsLabel,SIGNAL(clicked()), this,SLOT(getEventDetailsLabel()));
 
 
    connect(m_d->ui.radioButton_eventDetails,SIGNAL(toggled(bool)), this,SLOT(enableCustomTextField(bool)));
    //  connect(m_d->ui.radioButton_customText,SIGNAL(toggled()), this,SLOT(showCustomTextField()));
 
    connect(m_d->ui.pushButton_addText,SIGNAL(clicked()), this,SLOT(setTextLabel()));
    connect(m_d->ui.pushButton_removeObj,SIGNAL(clicked()), this,SLOT(removeObject()));
    connect(m_d->ui.pushButton_addLogo,SIGNAL(clicked()), this,SLOT(addLogo()));
 
    connect(m_d->ui.pushButton_save,SIGNAL(clicked()), this,SLOT(savePicture()));
    connect(m_d->ui.pushButton_print,SIGNAL(clicked()), this,SLOT(printPicture()));
 
 
    connect(m_d->ui.radioButton_black,SIGNAL(clicked()), this,SLOT(setBackgroundColor()));
    connect(m_d->ui.radioButton_white,SIGNAL(clicked()), this,SLOT(setBackgroundColor()));
    connect(m_d->ui.radioButton_transparent,SIGNAL(clicked()), this,SLOT(setBackgroundColor()));
 
    this->setWindowTitle(tr("ATLAS VP1 Event Display Editor"));
 
    this->getEventDetailsLabel();
 
 
}
 
/*
 * Qt example
 */
//VP1EventDisplayEditor::VP1EventDisplayEditor()
//: QWidget(0), m_d(new Imp)
//{
//  m_d->theclass = this;
//  m_d->ui.setupUi(this);
//
//  m_scene = new QGraphicsScene();
//
//  h1Splitter = new QSplitter;
//  h2Splitter = new QSplitter;
//
//  QSplitter *vSplitter = new QSplitter;
//  vSplitter->setOrientation(Qt::Vertical);
//  vSplitter->addWidget(h1Splitter);
//  vSplitter->addWidget(h2Splitter);
//
//  VP1EventDisplaySceneView *view = new VP1EventDisplaySceneView("Top left view");
//  view->view()->setScene(m_scene);
//  h1Splitter->addWidget(view);
//
//  view = new VP1EventDisplaySceneView("Top right view");
//  view->view()->setScene(m_scene);
//  h1Splitter->addWidget(view);
//
//  view = new VP1EventDisplaySceneView("Bottom left view");
//  view->view()->setScene(m_scene);
//  h2Splitter->addWidget(view);
//
//  view = new VP1EventDisplaySceneView("Bottom right view");
//  view->view()->setScene(m_scene);
//  h2Splitter->addWidget(view);
//
//  QLayout *layout = this->layout();
//  layout->addWidget(vSplitter);
//
//  setWindowTitle(tr("Chip Demo"));
//
//
//}
 
 
 
//____________________________________________________________________
VP1EventDisplayEditor::~VP1EventDisplayEditor()
{
    //  m_d->frameHolderWidget->deleteLater();
    //  foreach(VP1CustomTourFrameWidget*frame,m_d->frames)
    //  frame->deleteLater();
    delete m_d;
    delete m_scene;
    //  delete scene_preview;
}
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::enableCustomTextField(bool checked)
{
//  if (m_d->ui.radioButton_eventDetails->isChecked())
    if (checked)
        m_d->ui.lineEdit_customLabelText->setEnabled(false);
    else
        m_d->ui.lineEdit_customLabelText->setEnabled(true);
}
 
 
//____________________________________________________________________
QString VP1EventDisplayEditor::getEventDetailsLabel()
{
 
    QString evtstr = "Run: "+QString::number(m_runNumber)+"\n"
            + "Event: "+QString::number(m_eventNumber)+"\n"
            + QString(m_eventTimestamp>0 ? QDateTime::fromTime_t(m_eventTimestamp).toString(Qt::ISODate).replace('T',' ')+ " CEST" : "");
 
    //VP1Msg::messageVerbose(evtstr);
 
    return evtstr;
}
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::printPicture()
{
    m_preview->print();
}
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::savePicture()
{
    VP1Msg::messageVerbose("VP1EventDisplayEditor::savePicture()");
 
    // hide the rendering frame, cause we do not want it in the final picture
    m_preview->hideRenderingFrame();
 
    QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"),
            "event_display.png",
            tr("Images (*.png *.jpg)"));
 
    QImage image(m_scene->sceneRect().size().toSize(), QImage::Format_ARGB32);
    image.fill(Qt::transparent);
 
    QPainter painter(&image);
    painter.setRenderHint(QPainter::Antialiasing);
 
    m_scene->render(&painter);
 
    image.save(fileName);
 
    // show the rendering frame again
    m_preview->showRenderingFrame();
 
}
 
 
 
 
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::addPixmapList(QList<QPixmap>& list, QStringList& listNames)
{
    VP1Msg::messageVerbose("VP1EventDisplayEditor::addPixmapList()");
 
    if (!list.isEmpty()) {
        for (QPixmap img : list) {
            // add  and set it movableimage to the scene
            QGraphicsPixmapItem* item = m_scene->addPixmap(img);
            item->setFlags(QGraphicsItem::ItemIsMovable);
            m_sceneItems << item;
        }
    }
 
    if (!listNames.isEmpty()) {
        for (const QString& name : listNames) {
            // add image name to the list
            new QListWidgetItem(name, m_d->ui.listWidget);
        }
    }
}
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::removeObject()
{
    QListWidgetItem * currentItem = m_d->ui.listWidget->currentItem();
    QString text = currentItem->text();
    int currentPos = m_d->ui.listWidget->row( currentItem );
 
    // remove the object from the scene
    m_scene->removeItem( m_sceneItems[currentPos] );
    // remove its associated pointer in our list
    m_sceneItems.removeAt( currentPos );
    // remove its associated label
    QListWidgetItem * item = m_d->ui.listWidget->takeItem(currentPos);
    delete item;
 
    VP1Msg::message("Successfully removed the object: " + text);
}
 
//void VP1EventDisplayEditor::addTextLabelSlot()
//{
//  this->addTextLabel();
//}
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::setTextLabel()
{
    QString text;
    QFont font;
 
//  /* if we use this function programmatically,
//   * passing text directly
//   */
//  if (!textString.isEmpty()) {
//
//      text = textString;
//
//      // default settings
//      int size = 32;
//      int weight = QFont::Normal;
//      bool italics = false;
//      QString typeface = "Courier";
//
//      // default font
//      font = QFont(typeface, size, weight, italics);
//
//      // default font family, if Courier is not available
//      font.setStyleHint(QFont::TypeWriter);
//
//  }
 
//  /* if we use this function from the GUI,
//   * then we get all user's settings from the GUI itself
//   */
//  else {
 
        if (m_d->ui.radioButton_eventDetails->isChecked()) {
            // get the event details
            text = this->getEventDetailsLabel();
        }
        else {
            // get the user's text
            text = m_d->ui.lineEdit_customLabelText->text();
        }
 
 
        // get users' settings
        int size = 0;
        if (m_d->ui.radioButton_size12->isChecked()) size = 12;
        else if (m_d->ui.radioButton_size24->isChecked()) size = 24;
        else if (m_d->ui.radioButton_size32->isChecked()) size = 32;
        else if (m_d->ui.radioButton_size44->isChecked()) size = 44;
        else if (m_d->ui.radioButton_sizeCustom->isChecked()) {
            size = m_d->ui.spinBox_size->value();
        }
 
        QString typeface = "Courier"; // default typeface
 
        int weight = QFont::Normal;
        if (m_d->ui.radioButton_light->isChecked()) weight = QFont::Light;
        else if (m_d->ui.radioButton_normal->isChecked()) weight = QFont::Normal;
        else if (m_d->ui.radioButton_bold->isChecked()) weight = QFont::Bold;
        else if (m_d->ui.radioButton_black_2->isChecked()) weight = QFont::Black;
 
        bool italics = false;
        if (m_d->ui.radioButton_italics->isChecked()) italics = true;
 
        font = QFont(typeface, size, weight, italics);
 
        if (m_d->ui.radioButton_monaco->isChecked()) {
            //      typeface = "Monaco";
            typeface = "Courier";
            font.setStyleHint(QFont::TypeWriter); // this defines the family to choose from, if the preferred typeface is not available on the host system
        }
        else if (m_d->ui.radioButton_helvetica->isChecked()) {
            typeface = "Helvetica";
            font.setStyleHint(QFont::SansSerif);
        }
        else if (m_d->ui.radioButton_times->isChecked()) {
            typeface = "Times";
            font.setStyleHint(QFont::Serif);
        }
        font.setFamily(typeface);
 
//  }
 
    this->addTextLabel(std::move(text), font);
}
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::addTextLabel(QString text, QFont font)
{
// adding the label to the m_scene
QGraphicsTextItem* item = m_scene->addText(text, font);
item->setFlags(QGraphicsItem::ItemIsMovable);
 
// The addText() method creates a TextItem with 'plain text.
// So, we now set again the text property with the setHtml()
// method, so users can use HTML tags to stylize their labels.
// That's especially useful in this context, to add labels
// with the Pt values of the physics objects.
item->setHtml(text);
 
// set the user's preferred color
if (m_d->ui.radioButton_whiteText->isChecked()) {
    item->setDefaultTextColor(Qt::white);
} else if (m_d->ui.radioButton_blackText->isChecked()) {
    item->setDefaultTextColor(Qt::black);
}
 
// adding the label to the list of objects
QString strippedText = text.replace('\n',' ').replace('\t', ' ').simplified();
new QListWidgetItem(strippedText, m_d->ui.listWidget);
 
// adding the label to list of object pointers
m_sceneItems << item;
}
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::getTabSnapshot()
{
    int tabN = m_d->ui.comboBox_tabNumber->currentIndex();
    QString tabName = m_d->ui.comboBox_tabNumber->currentText();
    VP1Msg::messageVerbose("Got tab: " + tabName + " at idx: " + QString::number(tabN) );
 
    int imageWidth = m_d->ui.spinBox_imageWidth->value();
    VP1Msg::messageVerbose("width: " + QString::number(imageWidth) );
 
    QPixmap snap = m_mainWindow->getSingleChannelCustomSnapshot( tabName, imageWidth );
 
    tabName = tabName + "_" + QString::number(imageWidth);
 
 
    QList<QPixmap> listPixmap;
    QStringList listNamesPixmap;
 
    listPixmap << snap;
    listNamesPixmap << tabName;
 
    this->addPixmapList(listPixmap, listNamesPixmap);
 
}
 
//____________________________________________________________________
void VP1EventDisplayEditor::setTabsList( QStringList listNames )
{
    VP1Msg::messageVerbose("VP1EventDisplayEditor::setTabsList()");
 
    m_d->ui.comboBox_tabNumber->addItems(listNames);
 
}
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::addLogo()
{
    QPixmap pix;
    QString name;
 
    // load the right version of the ATLAS logo
    if ( m_d->ui.radioButton_300px->isChecked() ) {
        if ( m_d->ui.radioButton_logo_white->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-New_300pixels.png");
        if ( m_d->ui.radioButton_logo_main->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-Ref-RGB-transpBkg-300px.png");
        name = "logo_300px";
    }
    else if ( m_d->ui.radioButton_450px->isChecked() ) {
        if ( m_d->ui.radioButton_logo_white->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-New_450pixels.png");
        if ( m_d->ui.radioButton_logo_main->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-Ref-RGB-transpBkg-450px.png");
        name = "logo_450px";
    }
    else if ( m_d->ui.radioButton_600px->isChecked() ) {
        if ( m_d->ui.radioButton_logo_white->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-New_600pixels.png");
        if ( m_d->ui.radioButton_logo_main->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-Ref-RGB-transpBkg-600px.png");
        name = "logo_600px";
    }
    else if ( m_d->ui.radioButton_800px->isChecked() ) {
        if ( m_d->ui.radioButton_logo_white->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-New_800pixels.png");
        if ( m_d->ui.radioButton_logo_main->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-Ref-RGB-transpBkg-800px.png");
        name = "logo_800px";
    }
    else if ( m_d->ui.radioButton_1000px->isChecked() ) {
        if ( m_d->ui.radioButton_logo_white->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-New_1000pixels.png");
        if ( m_d->ui.radioButton_logo_main->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-Ref-RGB-transpBkg-1000px.png");
        name = "logo_1000px";
    }
    else if ( m_d->ui.radioButton_1200px->isChecked() ) {
        if ( m_d->ui.radioButton_logo_white->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-New_1200pixels.png");
        if ( m_d->ui.radioButton_logo_main->isChecked() )
            pix.load(":/vp1/images/images/ATLAS-Logo-Ref-RGB-transpBkg-1200px.png");
        name = "logo_1200px";
    }
 
    // add the logo to the m_scene
    QGraphicsPixmapItem* item = m_scene->addPixmap(pix);
    item->setFlags(QGraphicsItem::ItemIsMovable);
    // add to the list of pointers
    m_sceneItems << item;
    // add to the list of object labels
    new QListWidgetItem(name, m_d->ui.listWidget);
}
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::setBackgroundColor()
{
 
    // a white background
    if ( m_d->ui.radioButton_white->isChecked() )
        m_scene->setBackgroundBrush(Qt::white);
    // a black background
    else if ( m_d->ui.radioButton_black->isChecked() )
        m_scene->setBackgroundBrush(Qt::black);
    // a transparent background
    else if ( m_d->ui.radioButton_transparent->isChecked() ) {
        m_scene->setBackgroundBrush(Qt::NoBrush);
        //      // a gradient background
        //      QRadialGradient gradient(0, 0, 10);
        //      gradient.setSpread(QGradient::RepeatSpread);
        //      m_scene->setBackgroundBrush(gradient);
    }
}
 
 
 
//____________________________________________________________________
void VP1EventDisplayEditor::closeEvent(QCloseEvent*ev)
{
    // if you want to just hide the window when closed, uncomment the lines below
    ev->ignore();
    hide();
 
    // this, instead, will close the window
    //  ev->accept();
}
 
//QGraphicsView* VP1EventDisplayEditor::getView()
//{
//  return m_d->ui.graphicsView;
//}
 
 
 
 
//void VP1EventDisplayEditor::buttonClicked()
//{
//  if (m_d->ui.pushButton_addCurrentView==sender()) {
//      VP1CustomTourFrameWidget * frame = new VP1CustomTourFrameWidget(m_d->viewer->currentCamIsPerspective(),
//              m_d->viewer->currentCameraState());
//      m_d->addFrame(frame);
//      m_d->updateFrameSnapshot(frame);
//      m_d->updateFrameListVisuals();
//  } else if (m_d->ui.pushButton_refreshPreviews==sender()) {
//      foreach(VP1CustomTourFrameWidget*frame,m_d->frames)
//            m_d->updateFrameSnapshot(frame);
//  } else if (m_d->ui.pushButton_execute==sender()) {
//      m_d->viewer->startCustomTour();
//  } else if (m_d->ui.pushButton_utilityZoomShow==sender()) {
//  }
//}