VP1EventDisplaySceneView Class Reference

#include <VP1EventDisplaySceneView.h>

Inheritance diagram for VP1EventDisplaySceneView:

Collaboration diagram for VP1EventDisplaySceneView:

Public Slots
void	zoomIn (int level=1)
void	zoomOut (int level=1)
void	print ()

Public Member Functions
	VP1EventDisplaySceneView (const QString &name, bool preview=false, QWidget *parent=0)
	~VP1EventDisplaySceneView ()
QGraphicsView *	view () const
void	setPreviewZoom (qreal xx)
void	addRenderingFrame ()
void	showRenderingFrame ()
void	hideRenderingFrame ()

Private Slots
void	resetView ()
void	setResetButtonEnabled ()
void	setupMatrix ()
void	togglePointerMode ()
void	toggleOpenGL ()
void	toggleAntialiasing ()
void	rotateLeft ()
void	rotateRight ()

Private Attributes
GraphicsView *	m_graphicsView
bool	m_preview
QGraphicsRectItem *	m_frame
QGraphicsLineItem *	m_line
QLabel *	m_label
QLabel *	m_label2
QToolButton *	m_selectModeButton
QToolButton *	m_dragModeButton
QToolButton *	m_openGlButton
QToolButton *	m_antialiasButton
QToolButton *	m_printButton
QToolButton *	m_resetButton
QVBoxLayout *	m_zoomSliderLayout
QSlider *	m_zoomSlider
QToolButton *	m_zoomInIcon
QToolButton *	m_zoomOutIcon
QHBoxLayout *	m_rotateSliderLayout
QSlider *	m_rotateSlider
QToolButton *	m_rotateLeftIcon
QToolButton *	m_rotateRightIcon

Detailed Description

Definition at line 65 of file VP1EventDisplaySceneView.h.

Constructor & Destructor Documentation

VP1EventDisplaySceneView()

VP1EventDisplaySceneView::VP1EventDisplaySceneView	(	const QString &	name,
		bool	preview = false,
		QWidget *	parent = 0
	)

Definition at line 41 of file VP1EventDisplaySceneView.cxx.

: QFrame(parent),m_frame(nullptr),m_line(nullptr)
{
    m_preview = preview;
    
 
    setFrameStyle(Sunken | StyledPanel);
 
    m_graphicsView = new GraphicsView(this);
    m_graphicsView->setRenderHint(QPainter::Antialiasing, false);
    m_graphicsView->setDragMode(QGraphicsView::RubberBandDrag);
    m_graphicsView->setOptimizationFlags(QGraphicsView::DontSavePainterState);
    m_graphicsView->setViewportUpdateMode(QGraphicsView::SmartViewportUpdate);
    m_graphicsView->setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
 
    int size = style()->pixelMetric(QStyle::PM_ToolBarIconSize);
    QSize iconSize(size, size);
 
 
    // ZOOM BUTTONS
 
    m_zoomInIcon = new QToolButton;
    m_zoomInIcon->setAutoRepeat(true);
    m_zoomInIcon->setAutoRepeatInterval(33);
    m_zoomInIcon->setAutoRepeatDelay(0);
    m_zoomInIcon->setIcon(QPixmap(":/vp1/icons/icons/zoomin.png"));
    m_zoomInIcon->setIconSize(iconSize);
 
    m_zoomOutIcon = new QToolButton;
    m_zoomOutIcon->setAutoRepeat(true);
    m_zoomOutIcon->setAutoRepeatInterval(33);
    m_zoomOutIcon->setAutoRepeatDelay(0);
    m_zoomOutIcon->setIcon(QPixmap(":/vp1/icons/icons/zoomout.png"));
    m_zoomOutIcon->setIconSize(iconSize);
 
    m_zoomSlider = new QSlider();
    m_zoomSlider->setMinimum(0);
    m_zoomSlider->setMaximum(500);
    m_zoomSlider->setValue(250);
    m_zoomSlider->setTickPosition(QSlider::TicksRight);
 
    // Zoom slider layout
    m_zoomSliderLayout = new QVBoxLayout;
    m_zoomSliderLayout->addWidget(m_zoomInIcon);
    m_zoomSliderLayout->addWidget(m_zoomSlider);
    m_zoomSliderLayout->addWidget(m_zoomOutIcon);
 
 
    // ROTATION BUTTONS
    m_rotateLeftIcon = new QToolButton();
    m_rotateLeftIcon->setIcon(QPixmap(":/vp1/icons/icons/rotateleft.png"));
    m_rotateLeftIcon->setIconSize(iconSize);
 
    m_rotateRightIcon = new QToolButton();
    m_rotateRightIcon->setIcon(QPixmap(":/vp1/icons/icons/rotateright.png"));
    m_rotateRightIcon->setIconSize(iconSize);
 
    m_rotateSlider = new QSlider();
    m_rotateSlider->setOrientation(Qt::Horizontal);
    m_rotateSlider->setMinimum(-360);
    m_rotateSlider->setMaximum(360);
    m_rotateSlider->setValue(0);
    m_rotateSlider->setTickPosition(QSlider::TicksBelow);
 
    // Rotate slider layout
    m_rotateSliderLayout = new QHBoxLayout;
    m_rotateSliderLayout->addWidget(m_rotateLeftIcon);
    m_rotateSliderLayout->addWidget(m_rotateSlider);
    m_rotateSliderLayout->addWidget(m_rotateRightIcon);
 
    m_resetButton = new QToolButton;
    m_resetButton->setText(tr("Reset"));
    m_resetButton->setEnabled(false);
 
    // Label layout
    QHBoxLayout *labelLayout = new QHBoxLayout;
    m_label = new QLabel(name);
    m_label2 = new QLabel(tr("Pointer Mode"));
 
    m_selectModeButton = new QToolButton;
    m_selectModeButton->setText(tr("Select & Move items"));
    m_selectModeButton->setCheckable(true);
    m_selectModeButton->setChecked(true);
 
    m_dragModeButton = new QToolButton;
    m_dragModeButton->setText(tr("Drag View"));
    m_dragModeButton->setCheckable(true);
    m_dragModeButton->setChecked(false);
 
    m_antialiasButton = new QToolButton;
    m_antialiasButton->setText(tr("Antialiasing"));
    m_antialiasButton->setCheckable(true);
    m_antialiasButton->setChecked(false);
 
    m_openGlButton = new QToolButton;
    m_openGlButton->setText(tr("OpenGL"));
    m_openGlButton->setCheckable(true);
#ifndef QT_NO_OPENGL
    m_openGlButton->setEnabled(QGLFormat::hasOpenGL());
#else
    m_openGlButton->setEnabled(false);
#endif
    m_printButton = new QToolButton;
    m_printButton->setIcon(QIcon(QPixmap(":/vp1/icons/icons/fileprint.png")));
 
    QButtonGroup *pointerModeGroup = new QButtonGroup;
    pointerModeGroup->setExclusive(true);
    pointerModeGroup->addButton(m_selectModeButton);
    pointerModeGroup->addButton(m_dragModeButton);
 
    labelLayout->addWidget(m_label);
    labelLayout->addStretch();
 
    if (!preview) {
        labelLayout->addWidget(m_label2);
        labelLayout->addWidget(m_selectModeButton);
        labelLayout->addWidget(m_dragModeButton);
        labelLayout->addStretch();
//      labelLayout->addWidget(m_antialiasButton); // we don't use these buttons
//      labelLayout->addWidget(m_openGlButton);
//      labelLayout->addWidget(m_printButton);
    }
 
    QGridLayout *topLayout = new QGridLayout;
    topLayout->addLayout(labelLayout, 0, 0);
    topLayout->addWidget(m_graphicsView, 1, 0);
    /*
     * PREVIEW WINDOW
     * we don't need the rotation or zoom buttons for the "preview" view
     * and we put the reset button just below the zoom buttons
     */
    if (preview) {
        //      m_zoomSliderLayout->addWidget(m_resetButton);
    }
    /*
     * FULL SIZE WINDOW
     */
    else {
        topLayout->addLayout(m_zoomSliderLayout, 1, 1);
        topLayout->addLayout(m_rotateSliderLayout, 2, 0);
        topLayout->addWidget(m_resetButton, 2, 1);
    }
 
    setLayout(topLayout);
 
 
 
 
    connect(m_resetButton, SIGNAL(clicked()), this, SLOT(resetView()));
 
    connect(m_graphicsView->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(setResetButtonEnabled()));
    connect(m_graphicsView->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(setResetButtonEnabled()));
 
    connect(m_selectModeButton, SIGNAL(toggled(bool)), this, SLOT(togglePointerMode()));
    connect(m_dragModeButton, SIGNAL(toggled(bool)), this, SLOT(togglePointerMode()));
 
    connect(m_zoomSlider, SIGNAL(valueChanged(int)), this, SLOT(setupMatrix()));
    connect(m_zoomInIcon, SIGNAL(clicked()), this, SLOT(zoomIn()));
    connect(m_zoomOutIcon, SIGNAL(clicked()), this, SLOT(zoomOut()));
 
    connect(m_rotateSlider, SIGNAL(valueChanged(int)), this, SLOT(setupMatrix()));
    connect(m_rotateLeftIcon, SIGNAL(clicked()), this, SLOT(rotateLeft()));
    connect(m_rotateRightIcon, SIGNAL(clicked()), this, SLOT(rotateRight()));
 
 
    // we do not use these three buttons now...
//  connect(m_printButton, SIGNAL(clicked()), this, SLOT(print()));
//  connect(m_antialiasButton, SIGNAL(toggled(bool)), this, SLOT(toggleAntialiasing()));
//  connect(m_openGlButton, SIGNAL(toggled(bool)), this, SLOT(toggleOpenGL()));
 
    setupMatrix(); // only useful for the full-view window
}

~VP1EventDisplaySceneView()

VP1EventDisplaySceneView::~VP1EventDisplaySceneView

(

)

Definition at line 214 of file VP1EventDisplaySceneView.cxx.

{
    /* if preview, many buttons are not added to any widget or layout,
     * so we have to destroy them by hand
     */
    if (m_preview) {
        delete m_rotateSlider;
        delete m_rotateLeftIcon;
        delete m_rotateRightIcon;
        delete m_rotateSliderLayout;
        delete m_zoomSlider;
        delete m_zoomInIcon;
        delete m_zoomOutIcon;
        delete m_zoomSliderLayout;
        delete m_resetButton;
        delete m_label2;
        delete m_selectModeButton;
        delete m_dragModeButton;
    }
    /*
     * we have to destroy them by hand, because we do not use them in this version of the GUI
     */
    delete m_antialiasButton;
    delete m_openGlButton;
    delete m_printButton;
}

Member Function Documentation

addRenderingFrame()

void VP1EventDisplaySceneView::addRenderingFrame

(

)

Definition at line 246 of file VP1EventDisplaySceneView.cxx.

{
// adding a rect to the preview to define the rendering area
//  QPen pen2(Qt::green, 5, Qt::DashDotLine, Qt::RoundCap, Qt::RoundJoin);
    QPen pen(Qt::red, 5, Qt::SolidLine, Qt::SquareCap, Qt::MiterJoin);
    QRectF sceneRect = m_graphicsView->scene()->sceneRect();
    m_frame = m_graphicsView->scene()->addRect( sceneRect, pen );
 
    /* we also have to add a line on the bottom of the scene,
     * since the bottom side of the frame will go out of the view,
     * due to the thickness of the frame lines.
     */
    qreal x1 = sceneRect.left();
    qreal y1 = sceneRect.bottom();
    qreal y2 = y1;
    qreal x2 = sceneRect.right();
 
    m_line = m_graphicsView->scene()->addLine( x1, y1, x2, y2, pen);
}

hideRenderingFrame()

void VP1EventDisplaySceneView::hideRenderingFrame

(

)

Definition at line 272 of file VP1EventDisplaySceneView.cxx.

{
    m_frame->hide();
    m_line->hide();
}

print

void VP1EventDisplaySceneView::print ( )

slot

Definition at line 341 of file VP1EventDisplaySceneView.cxx.

{
#ifndef QT_NO_PRINTER
    QPrinter printer;
    QPrintDialog dialog(&printer, this);
    if (dialog.exec() == QDialog::Accepted) {
        QPainter painter(&printer);
        m_graphicsView->render(&painter);
    }
#endif
}

resetView

void VP1EventDisplaySceneView::resetView ( )

privateslot

Definition at line 280 of file VP1EventDisplaySceneView.cxx.

{
    m_zoomSlider->setValue(250);
    m_rotateSlider->setValue(0);
    setupMatrix();
    m_graphicsView->ensureVisible(QRectF(0, 0, 0, 0));
 
    m_resetButton->setEnabled(false);
}

rotateLeft

void VP1EventDisplaySceneView::rotateLeft ( )

privateslot

Definition at line 363 of file VP1EventDisplaySceneView.cxx.

{
    m_rotateSlider->setValue(m_rotateSlider->value() - 10);
}

rotateRight

void VP1EventDisplaySceneView::rotateRight ( )

privateslot

Definition at line 368 of file VP1EventDisplaySceneView.cxx.

{
    m_rotateSlider->setValue(m_rotateSlider->value() + 10);
}

setPreviewZoom()

void VP1EventDisplaySceneView::setPreviewZoom

(

qreal

xx

)

Definition at line 295 of file VP1EventDisplaySceneView.cxx.

{
    if (m_preview) {
        QTransform matrix;
        matrix.scale(xx, xx);
        m_graphicsView->setTransform(matrix);
    } else {
        VP1Msg::message("Warning!! using setPreviewZoom() on a full-size view has no effect.");
    }
 
}

setResetButtonEnabled

void VP1EventDisplaySceneView::setResetButtonEnabled ( )

privateslot

Definition at line 290 of file VP1EventDisplaySceneView.cxx.

{
    m_resetButton->setEnabled(true);
}

setupMatrix

void VP1EventDisplaySceneView::setupMatrix ( )

privateslot

Definition at line 307 of file VP1EventDisplaySceneView.cxx.

{
    if (!m_preview) {
        QTransform matrix;
        qreal scale = qPow(qreal(2), (m_zoomSlider->value() - 250) / qreal(50));
        matrix.scale(scale, scale);
        matrix.rotate(m_rotateSlider->value());
 
        m_graphicsView->setTransform(matrix);
        setResetButtonEnabled();
    }
 
}

showRenderingFrame()

void VP1EventDisplaySceneView::showRenderingFrame

(

)

Definition at line 266 of file VP1EventDisplaySceneView.cxx.

{
    m_frame->show();
    m_line->show();
}

toggleAntialiasing

void VP1EventDisplaySceneView::toggleAntialiasing ( )

privateslot

Definition at line 336 of file VP1EventDisplaySceneView.cxx.

{
    m_graphicsView->setRenderHint(QPainter::Antialiasing, m_antialiasButton->isChecked());
}

toggleOpenGL

void VP1EventDisplaySceneView::toggleOpenGL ( )

privateslot

Definition at line 329 of file VP1EventDisplaySceneView.cxx.

{
#ifndef QT_NO_OPENGL
    m_graphicsView->setViewport(m_openGlButton->isChecked() ? new QGLWidget(QGLFormat(QGL::SampleBuffers)) : new QWidget);
#endif
}

togglePointerMode

void VP1EventDisplaySceneView::togglePointerMode ( )

privateslot

Definition at line 321 of file VP1EventDisplaySceneView.cxx.

{
    m_graphicsView->setDragMode(m_selectModeButton->isChecked()
            ? QGraphicsView::RubberBandDrag
                    : QGraphicsView::ScrollHandDrag);
    m_graphicsView->setInteractive(m_selectModeButton->isChecked());
}

view()

QGraphicsView * VP1EventDisplaySceneView::view

(

)

const

Definition at line 241 of file VP1EventDisplaySceneView.cxx.

{
    return static_cast<QGraphicsView *>(m_graphicsView);
}

zoomIn

void VP1EventDisplaySceneView::zoomIn ( int  level = 1 )

slot

Definition at line 353 of file VP1EventDisplaySceneView.cxx.

{
    m_zoomSlider->setValue(m_zoomSlider->value() + level);
}

zoomOut

void VP1EventDisplaySceneView::zoomOut ( int  level = 1 )

slot

Definition at line 358 of file VP1EventDisplaySceneView.cxx.

{
    m_zoomSlider->setValue(m_zoomSlider->value() - level);
}

Member Data Documentation

m_antialiasButton

QToolButton* VP1EventDisplaySceneView::m_antialiasButton

private

Definition at line 107 of file VP1EventDisplaySceneView.h.

m_dragModeButton

QToolButton* VP1EventDisplaySceneView::m_dragModeButton

private

Definition at line 105 of file VP1EventDisplaySceneView.h.

m_frame

QGraphicsRectItem* VP1EventDisplaySceneView::m_frame

private

Definition at line 98 of file VP1EventDisplaySceneView.h.

m_graphicsView

GraphicsView* VP1EventDisplaySceneView::m_graphicsView

private

Definition at line 94 of file VP1EventDisplaySceneView.h.

m_label

QLabel* VP1EventDisplaySceneView::m_label

private

Definition at line 101 of file VP1EventDisplaySceneView.h.

m_label2

QLabel* VP1EventDisplaySceneView::m_label2

private

Definition at line 102 of file VP1EventDisplaySceneView.h.

m_line

QGraphicsLineItem* VP1EventDisplaySceneView::m_line

private

Definition at line 99 of file VP1EventDisplaySceneView.h.

m_openGlButton

QToolButton* VP1EventDisplaySceneView::m_openGlButton

private

Definition at line 106 of file VP1EventDisplaySceneView.h.

m_preview

bool VP1EventDisplaySceneView::m_preview

private

Definition at line 96 of file VP1EventDisplaySceneView.h.

m_printButton

QToolButton* VP1EventDisplaySceneView::m_printButton

private

Definition at line 108 of file VP1EventDisplaySceneView.h.

m_resetButton

QToolButton* VP1EventDisplaySceneView::m_resetButton

private

Definition at line 109 of file VP1EventDisplaySceneView.h.

m_rotateLeftIcon

QToolButton* VP1EventDisplaySceneView::m_rotateLeftIcon

private

Definition at line 118 of file VP1EventDisplaySceneView.h.

m_rotateRightIcon

QToolButton* VP1EventDisplaySceneView::m_rotateRightIcon

private

Definition at line 119 of file VP1EventDisplaySceneView.h.

m_rotateSlider

QSlider* VP1EventDisplaySceneView::m_rotateSlider

private

Definition at line 117 of file VP1EventDisplaySceneView.h.

m_rotateSliderLayout

QHBoxLayout* VP1EventDisplaySceneView::m_rotateSliderLayout

private

Definition at line 116 of file VP1EventDisplaySceneView.h.

m_selectModeButton

QToolButton* VP1EventDisplaySceneView::m_selectModeButton

private

Definition at line 104 of file VP1EventDisplaySceneView.h.

m_zoomInIcon

QToolButton* VP1EventDisplaySceneView::m_zoomInIcon

private

Definition at line 113 of file VP1EventDisplaySceneView.h.

m_zoomOutIcon

QToolButton* VP1EventDisplaySceneView::m_zoomOutIcon

private

Definition at line 114 of file VP1EventDisplaySceneView.h.

m_zoomSlider

QSlider* VP1EventDisplaySceneView::m_zoomSlider

private

Definition at line 112 of file VP1EventDisplaySceneView.h.

m_zoomSliderLayout

QVBoxLayout* VP1EventDisplaySceneView::m_zoomSliderLayout

private

Definition at line 111 of file VP1EventDisplaySceneView.h.

---

The documentation for this class was generated from the following files:

• VP1EventDisplaySceneView.h
• VP1EventDisplaySceneView.cxx