Ejemplo n.º 1
0
        void draw_graph(QGraphicsView& v, int px, int py, int x, int y, int& max_y, const QPen& pen)
        {
            REQUIRE(v.scene());
            if(y > max_y) max_y = y;

            auto s = v.scene();
            s->addLine(px, -py, x, -y, pen);

            v.fitInView(x-GRAPH_WIDTH,-int(max_y),GRAPH_WIDTH, max_y+2); 
        }
Ejemplo n.º 2
0
void QSWindow::closeFile(){
    QGraphicsView *view = ui->tabWidget->currentWidget()->findChild
            <QGraphicsView *>(QString(),Qt::FindDirectChildrenOnly);
    //current view
    if(view->scene() == 0){
        ui->statusBar->showMessage("no current file to delete!");                                                           ////
        return;                                                                                                             ////
    }                                                                                                                       ////
    QSScene* qs = (QSScene*)view->scene();//current scene                                                                   ////
    delete qs;                                                                                                              ////
    qDebug()<<"after delete:"<<view->children().size();//index starts from 4 (3 default children)                           ////
    if(view->findChild<QSScene*>(QString(),Qt::FindDirectChildrenOnly) != 0)//auto switch to another file if possible       ////
        emit ((QSScene*)view->findChild<QSScene*>(QString(),Qt::FindDirectChildrenOnly))->Opened()->triggered();            ////
}
Ejemplo n.º 3
0
void MainWindow::closeEvent(QCloseEvent *e){
	saveSettings();
	bool clean = true;
	for(int i = 0; i < ui->tabWidget->count(); i++){
		QGraphicsView* view = qobject_cast<QGraphicsView*>(ui->tabWidget->widget(i));
		Q_ASSERT(view);
		if(view){
			PetriNetScene* scene = qobject_cast<PetriNetScene*>(view->scene());
			Q_ASSERT(scene);
			if(scene)
				clean &= scene->undoStack()->isClean();
		}
	}
	if(!clean){
		QMessageBox::StandardButtons retval;
		retval = QMessageBox::question(this,
									tr("You have unsaved changed"),
									tr("Do you wish to discard unsaved changes?"),
									QMessageBox::Cancel | QMessageBox::Discard,
									QMessageBox::Cancel);
		if(retval == QMessageBox::Cancel){
			e->ignore();
			return;
		}
	}
	// Accept if state was clean or changes were discarded
	e->accept();
}
Ejemplo n.º 4
0
Dashboard::Dashboard(QWidget *parent)
    : QMainWindow(parent)
    , d_ptr(new DashboardPrivate(this))
{
    setWindowTitle("Maliit Keyboard Viewer");
    resize(854, 480);

    QGraphicsView *v = new QGraphicsView;
    v->setScene(new QGraphicsScene(v));
    v->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    v->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    setCentralWidget(v);
    v->show();
    QWidget *w = 0;
    d_ptr->proxy_widget = v->scene()->addWidget(w = new QWidget);
    d_ptr->proxy_widget->setTransformOriginPoint(d_ptr->proxy_widget->geometry().center());
    w->resize(size());

    QVBoxLayout *vbox = d_ptr->vbox;
    w->setLayout(vbox);

    QSpacerItem *top_spacer = d_ptr->top;
    vbox->addItem(top_spacer);

    QWidget *buttons = d_ptr->buttons;
    buttons->show();
    vbox->addWidget(buttons);
    QHBoxLayout *hbox = new QHBoxLayout;
    buttons->setLayout(hbox);

    QPushButton *show = new QPushButton("Show virtual keyboard");
    connect(show, SIGNAL(clicked()),
            this, SLOT(onShow()));
    hbox->addWidget(show);
    show->show();

    QPushButton *orientation_changed = new QPushButton("Change orientation");
    connect(orientation_changed, SIGNAL(clicked()),
            this, SLOT(onOrientationChangeClicked()));
    hbox->addWidget(orientation_changed);
    orientation_changed->show();

    QPushButton *close = new QPushButton("Close application");
    connect(close, SIGNAL(clicked()),
            qApp,  SLOT(quit()));
    hbox->addWidget(close);
    close->show();

    QTextEdit *te = d_ptr->text_entry;
    vbox->addWidget(te);
    te->show();
    te->setFocus();

    QSpacerItem *bottom_spacer = d_ptr->bottom;
    vbox->addItem(bottom_spacer);

    onShow();
}
Ejemplo n.º 5
0
void MiniViewContainer::setView(QGraphicsView * view)
{
	QGraphicsView * oldView = m_miniView->view();
	if (oldView == view) return;

	if (oldView != NULL) {
		disconnect(oldView->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(updateFrame()));
		disconnect(oldView->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(updateFrame()));
		disconnect(oldView->scene(), SIGNAL(sceneRectChanged(QRectF)), this, SLOT(updateFrame()));
		disconnect(oldView, SIGNAL(resizeSignal()), this, SLOT(updateFrame()));
		disconnect(m_frame, SIGNAL(scrollChangeSignal(double, double)), oldView, SLOT(navigatorScrollChange(double, double)));
	}
Ejemplo n.º 6
0
int main(int argc, char *argv[])
{
  QApplication a(argc, argv);
  QGraphicsView w;

  assert(!w.scene());
  w.setScene(new QGraphicsScene);
  assert(w.scene());

  {
    TrianglePolygonItem * const item = new TrianglePolygonItem;
    item->setPos(-150.0,-150.0);
    w.scene()->addItem(item);
  }
  {
    TrianglePolygonItem * const item = new TrianglePolygonItem;
    item->setBrush(QBrush(QColor(0,0,0)));
    item->setPos(150.0,-150.0);
    w.scene()->addItem(item);
  }
  {
    TriangleGraphicsItem * const item = new TriangleGraphicsItem;
    item->setPos(-150.0, 150.0);
    w.scene()->addItem(item);
  }
  {
    TriangleGraphicsItem * const item = new TriangleGraphicsItem;
    item->SetMyBrush(QBrush(QColor(0,0,0)));
    item->setPos(150.0, 150.0);
    w.scene()->addItem(item);
  }
  w.show();

  return a.exec();
}
Ejemplo n.º 7
0
/*------------------------------------------------------------------------------
|    main
+-----------------------------------------------------------------------------*/
int main(int argc, char** argv) {
	qputenv("QT_QPA_EGLFS_FORCE888", "1");

	QApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true);
	QApplication a(argc, argv);

	const QStringList args = a.arguments();
	if (args.size() < 2) {
		log_err("Video ID is missing.");
		return 1;
	}

	const QString videoId = args.at(1);
	log_info("Starting playback of video ID %s...", qPrintable(videoId));

	POC_Bridge bridge(videoId);

	QGraphicsWebView* webItem = new QGraphicsWebView;
	webItem->page()->mainFrame()->addToJavaScriptWindowObject("bridge", &bridge);

	QOpenGLWidget* glViewport = new QOpenGLWidget;

	QGraphicsView* view = new QGraphicsView;
	view->setFrameShape(QFrame::NoFrame);

	view->setRenderHints(QPainter::Antialiasing);
	view->setScene(new QGraphicsScene);
	view->setViewport(glViewport);
	view->showFullScreen();

	view->scene()->setBackgroundBrush(QBrush(Qt::red));
	view->scene()->setSceneRect(QRectF(0, 0, 1920, 1080));
	view->scene()->addItem(webItem);

	webItem->setUrl(QUrl("qrc:/player.html"));
	webItem->setMinimumSize(1920, 1080);

	return a.exec();
}
Ejemplo n.º 8
0
bool
TabChild::RecvCreateWidget(const MagicWindowHandle& parentWidget)
{
    nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(mWebNav);
    if (!baseWindow) {
        NS_ERROR("mWebNav doesn't QI to nsIBaseWindow");
        return true;
    }

#ifdef MOZ_WIDGET_GTK2
    GtkWidget* win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
#elif defined(MOZ_WIDGET_QT)
    QGraphicsView *view = new QGraphicsView(new QGraphicsScene());
    NS_ENSURE_TRUE(view, false);
    QGraphicsWidget *win = new QGraphicsWidget();
    NS_ENSURE_TRUE(win, false);
    view->scene()->addItem(win);
#elif defined(XP_WIN)
    HWND win = parentWidget;
#elif defined(ANDROID)
    // Fake pointer to make baseWindow->InitWindow work
    // The android widget code is mostly disabled in the child process
    // so it won't choke on this
    void *win = (void *)0x1234;
#elif defined(XP_MACOSX)
#  warning IMPLEMENT ME
#else
#error You lose!
#endif

#if !defined(XP_MACOSX)
    baseWindow->InitWindow(win, 0, 0, 0, 0, 0);
    baseWindow->Create();
    baseWindow->SetVisibility(PR_TRUE);
#endif

    // IPC uses a WebBrowser object for which DNS prefetching is turned off
    // by default. But here we really want it, so enable it explicitly
    nsCOMPtr<nsIWebBrowserSetup> webBrowserSetup = do_QueryInterface(baseWindow);
    if (webBrowserSetup) {
      webBrowserSetup->SetProperty(nsIWebBrowserSetup::SETUP_ALLOW_DNS_PREFETCH,
                                   PR_TRUE);
    } else {
        NS_WARNING("baseWindow doesn't QI to nsIWebBrowserSetup, skipping "
                   "DNS prefetching enable step.");
    }

    return InitTabChildGlobal();
}
Ejemplo n.º 9
0
MainWindow::MainWindow(QWidget *parent)
    : QWidget(parent)
{
    // create a scene with items,
    // use the view to show the scene
    QGraphicsScene *scene = new QGraphicsScene();
    QGraphicsView *gv = new QGraphicsView(this);
    gv->setScene(scene);
    if (gv->scene())
    {
        printf("renc: scene is not null.\n");

        // these two lines are at scene origin pos.
        scene->addLine(0, 0, 100, 0, QPen(Qt::red));
        scene->addLine(0, 0, 0, 100, QPen(Qt::green));

        /*QGraphicsRectItem *rect = */
        scene->addRect(QRectF(0,0,50,50), QPen(Qt::red), QBrush(Qt::green));

        // svg image
        QGraphicsSvgItem *svgItem = new QGraphicsSvgItem(svgFile2);
        scene->addItem((svgItem));
        svgItem->setPos(400, 0);
        bool rValid1 = svgItem->renderer()->isValid();
        printf("--%d--\n", rValid1);

        // QWidget to scene
        QPushButton *btn = new QPushButton("button 1");// at (0,0) by default.
        QGraphicsProxyWidget *btnWidget = scene->addWidget(btn);
        btnWidget->setPos(0, 400);

        //
        {
            SvgPushButton *btn2 = new SvgPushButton(svgFile1);
            QGraphicsProxyWidget *btnWidget2 = scene->addWidget(btn2);
            btnWidget2->setPos(400, 400);
        }
    }
    else
        printf("renc: scene is null.\n");

    //setCentralWidget(gv); setWindowTitle("Demo: graphics view");//QMainWindow
    setStyleSheet("background-color: rgb(100,120,50);");
}
Ejemplo n.º 10
0
/** Close document-tab */
void MainWindow::on_tabWidget_tabCloseRequested(int index){
	QGraphicsView* view = qobject_cast<QGraphicsView*>(ui->tabWidget->widget(index));
	if(view){
		PetriNetScene* scene = qobject_cast<PetriNetScene*>(view->scene());
		Q_ASSERT(scene != NULL);
		if(!scene->undoStack()->isClean()){
			QMessageBox::StandardButtons retval;
			retval = QMessageBox::question(this,
										tr("You have unsaved changed"),
										tr("Do you wish to discard unsaved changes?"),
										QMessageBox::Cancel | QMessageBox::Discard,
										QMessageBox::Cancel);
			if(retval == QMessageBox::Cancel)
				return;
		}
		ui->tabWidget->removeTab(index);
		view->deleteLater();
	}
}
Ejemplo n.º 11
0
void TimeGraphContainer::redraw() {
	//redraw it all:
	QGraphicsView * v;
	GraphScene * gs;
	for (int i=0;i<list.size();i++) {
		v=list.at(i);
		gs=(GraphScene *)v->scene();
		gs->updateArea();
		//v->fitInView ( 0,-10,3,20);
		
		v->fitInView ( (double)time_widget->getTimeControl()->getVisibleRange()->getMin() ,
									 (double)gs->sceneRect().y(),
									 (double)time_widget->getTimeControl()->getVisibleRange()->getLength(),
									  (double)gs->sceneRect().height(),
									  //20,
									  Qt::IgnoreAspectRatio );
									  
		qDebug("fit %f, %f, %f, %f\n",(double)time_widget->getTimeControl()->getVisibleRange()->getMin() ,
									 (double)gs->sceneRect().y(),
									 (double)time_widget->getTimeControl()->getVisibleRange()->getLength(),
									  (double)gs->sceneRect().height());
	}
}
Ejemplo n.º 12
0
void showAnCalChrRes::updColSenHoriz(){
    //Accumulate values in each color
    //..
    QGraphicsView *tmpCanvas = ui->canvasCroped;

    tmpCanvas->scene()->clear();
    QImage tmpImg( "./tmpImages/tmpCropped.ppm" );
    int Red[tmpImg.width()];memset(Red,'\0',tmpImg.width());
    int Green[tmpImg.width()];memset(Green,'\0',tmpImg.width());
    int Blue[tmpImg.width()];memset(Blue,'\0',tmpImg.width());
    int r, c, maxR, maxG, maxB, xR, xG, xB;
    maxR = 0;
    maxG = 0;
    maxB = 0;
    xR   = 0;
    xG   = 0;
    xB   = 0;
    QRgb pixel;
    for(c=0;c<tmpImg.width();c++){
        Red[c]   = 0;
        Green[c] = 0;
        Blue[c]  = 0;
        for(r=0;r<tmpImg.height();r++){
            if(!tmpImg.valid(QPoint(c,r))){
                qDebug() << "Invalid r: " << r << "c: "<<c;
                qDebug() << "tmpImg.width(): " << tmpImg.width();
                qDebug() << "tmpImg.height(): " << tmpImg.height();
                return (void)NULL;
                close();
            }
            pixel     = tmpImg.pixel(QPoint(c,r));
            Red[c]   += qRed(pixel);
            Green[c] += qGreen(pixel);
            Blue[c]  += qBlue(pixel);
        }
        Red[c]   = round((float)Red[c]/tmpImg.height());
        Green[c] = round((float)Green[c]/tmpImg.height());
        Blue[c]  = round((float)Blue[c]/tmpImg.height());
        if( Red[c] > maxR ){
            maxR = Red[c];
            xR = c;
        }
        if( Green[c] > maxG ){
            maxG = Green[c];
            xG = c;
        }
        if( Blue[c] > maxB ){
            maxB = Blue[c];
            xB = c;
        }
        //qDebug() << "xR: " << xR << "xG: " << xG << "xB: " << xB;
    }
    int maxRGB = (maxR>maxG)?maxR:maxG;
    maxRGB = (maxB>maxRGB)?maxB:maxRGB;
    float upLimit = (float)tmpImg.height() * 0.7;

    //qDebug() << "c" << c << "maxR:"<<maxR<<" maxG:"<<maxG<<" maxB:"<<maxB;
    //qDebug() << "c" << c << "xR:"<<xR<<" xG:"<<xG<<" xB:"<<xB;
    //qDebug() << "tmpImg.width(): " << tmpImg.width();
    //qDebug() << "tmpImg.height(): " << tmpImg.height();

    //Draw camera's sensitivities
    //..
    int tmpPoint1, tmpPoint2, tmpHeight;
    tmpHeight = tmpImg.height();
    for(c=1;c<tmpImg.width();c++){
        if( ui->chbRed->isChecked() ){
            tmpPoint1 = ((float)Red[c-1]/((float)maxRGB)) * upLimit;
            tmpPoint2 = ((float)Red[c]/((float)maxRGB)) * upLimit;
            tmpPoint1 = tmpHeight - tmpPoint1;
            tmpPoint2 = tmpHeight - tmpPoint2;
            tmpCanvas->scene()->addLine( c, tmpPoint1, c+1, tmpPoint2, QPen(QColor("#FF0000")) );
        }
        if( ui->chbGreen->isChecked() ){
            tmpPoint1 = ((float)Green[c-1]/((float)maxRGB)) * upLimit;
            tmpPoint2 = ((float)Green[c]/((float)maxRGB)) * upLimit;
            tmpPoint1 = tmpHeight - tmpPoint1;
            tmpPoint2 = tmpHeight - tmpPoint2;
            tmpCanvas->scene()->addLine( c, tmpPoint1, c+1, tmpPoint2, QPen(QColor("#00FF00")) );            
        }
        if( ui->chbBlue->isChecked() ){
            tmpPoint1 = ((float)Blue[c-1]/((float)maxRGB)) * upLimit;
            tmpPoint2 = ((float)Blue[c]/((float)maxRGB)) * upLimit;
            tmpPoint1 = tmpHeight - tmpPoint1;
            tmpPoint2 = tmpHeight - tmpPoint2;
            tmpCanvas->scene()->addLine( c, tmpPoint1, c+1, tmpPoint2, QPen(QColor("#0000FF")) );
        }
    }

    //Draw RGB peaks
    //..
    addLine2CanvasInPos(true,xR,Qt::red);
    globalRedLine = globalTmpLine;
    addLine2CanvasInPos(true,xG,Qt::green);
    globalGreenLine = globalTmpLine;
    addLine2CanvasInPos(true,xB,Qt::blue);
    globalBlueLine = globalTmpLine;

    globalRedLine->parameters.orientation   = _VERTICAL;
    globalGreenLine->parameters.orientation = _VERTICAL;
    globalBlueLine->parameters.orientation  = _VERTICAL;

    /*
    QPoint p1,p2;
    p1.setX(0);
    p1.setY(0);
    p2.setX(0);
    p2.setY(tmpImg.height());
    customLine *redPeak = new customLine(p1,p2,QPen(Qt::red));
    customLine *greenPeak = new customLine(p1,p2,QPen(Qt::green));
    customLine *bluePeak = new customLine(p1,p2,QPen(Qt::blue));

    redPeak->setX(xR);
    greenPeak->setX(xG);
    bluePeak->setX(xB);
    if(ui->chbRedLine->isChecked()){
        tmpCanvas->scene()->addItem(redPeak);
    }
    if(ui->chbGreenLine->isChecked()){
        tmpCanvas->scene()->addItem(greenPeak);
    }
    if(ui->chbBlueLine->isChecked()){
        tmpCanvas->scene()->addItem(bluePeak);
    }
    globalRedLine = redPeak;
    globalGreenLine = greenPeak;
    globalBlueLine = bluePeak;
    */
}
Ejemplo n.º 13
0
// FIXME: better to qupdate(scene()) and then repaint the viewport widget?
SEXP qt_qupdate_QGraphicsView(SEXP rself) {
  QGraphicsView *view = unwrapQObject(rself, QGraphicsView);
  view->scene()->update();
  view->viewport()->repaint();
  return rself;
}
Ejemplo n.º 14
0
 void init_scene(QGraphicsView& v)
 {
     auto s = new QGraphicsScene;
     v.setScene(s);
     ENSURE(v.scene());
 }
void MInputContext::setFocusWidget(QWidget *focused)
{
    QObject *focusedObject = focused;
    QGraphicsItem *focusItem = 0;
    qDebug() << "MInputContext" << "in" << __PRETTY_FUNCTION__ << focused;
    QInputContext::setFocusWidget(focused);

    // get detailed focus information from inside qgraphicsview
    QGraphicsView *graphicsView = qobject_cast<QGraphicsView *>(focusWidget());

    if (graphicsView && graphicsView->scene()) {
        focusItem = graphicsView->scene()->focusItem();

        if (focusItem) {
            focusedObject = dynamic_cast<QObject *>(focusItem);
        }
    }

    const QMap<QString, QVariant> stateInformation = getStateInformation();
    if (focused) {
        // for non-null focus widgets, we'll have this context activated
        if (!active) {
            imServer->activateContext();
            active = true;

#ifdef HAVE_MEEGOTOUCH
            // Notify whatever application's orientation is currently.
            notifyOrientationChanged(currOrientation);
#endif
        }

        imServer->updateWidgetInformation(stateInformation, true);

        // check if copyable text is selected
        Qt::InputMethodQuery query = Qt::ImCurrentSelection;
        QVariant queryResult = focused->inputMethodQuery(query);
        if (queryResult.isValid()) {
            copyAvailable = !queryResult.toString().isEmpty();
        }

        if (focusItem) {
            copyAllowed = !(focusItem->inputMethodHints() & Qt::ImhHiddenText);
        } else {
            copyAllowed = !(focused->inputMethodHints() & Qt::ImhHiddenText);
        }

        pasteAvailable = !QApplication::clipboard()->text().isEmpty();

        connect(QApplication::clipboard(), SIGNAL(dataChanged()), this, SLOT(handleClipboardDataChange()), Qt::UniqueConnection);
    } else {
        copyAvailable = false;
        copyAllowed = false;
        imServer->updateWidgetInformation(stateInformation, true);

        disconnect(QApplication::clipboard(), SIGNAL(dataChanged()), this, 0);
    }

    // show or hide Copy/Paste button on input method server
    notifyCopyPasteState();

    if (inputPanelState == InputPanelShowPending && focused) {
        imServer->showInputMethod();
        inputPanelState = InputPanelShown;
    }

    if (connectedObject) {
        connectedObject->disconnect(this);
        connectedObject = 0;
    }

    if (focusedObject && focusedObject->metaObject()) {
        if (focusedObject->metaObject()->indexOfSignal("copyAvailable(bool)") != -1) {
            // for MTextEdit
            connect(focusedObject, SIGNAL(copyAvailable(bool)),
                    this, SLOT(handleCopyAvailabilityChange(bool)));
            connectedObject = focusedObject;
        } else if (focusedObject->metaObject()->indexOfSignal("selectedTextChanged()") != -1) {