bool ContentWindowGraphicsItem::sceneEvent( QEvent* event )
{
switch( event->type( ))
{
case QEvent::Gesture:
getContentWindowManager()->getInteractionDelegate().gestureEvent( static_cast< QGestureEvent* >( event ));
return true;
case QEvent::KeyPress:
// Override default behaviour to process TAB key events
keyPressEvent(static_cast<QKeyEvent *>(event));
return true;
default:
return QGraphicsObject::sceneEvent( event );
}
}
void ContentWindowGraphicsItem::paint(QPainter * painter, const QStyleOptionGraphicsItem* , QWidget* )
{
if( !getContentWindowManager( ))
return;
drawFrame_( painter );
drawCloseButton_( painter );
drawResizeIndicator_( painter );
drawFullscreenButton_( painter );
drawMovieControls_( painter );
drawTextLabel_( painter );
}
void ContentWindowGraphicsItem::mouseMoveEvent(QGraphicsSceneMouseEvent * event)
{
// handle mouse movements differently depending on selected mode of item
if(!selected())
{
if(event->buttons().testFlag(Qt::LeftButton))
{
if(resizing_)
{
QRectF r = boundingRect();
QPointF eventPos = event->pos();
r.setBottomRight(eventPos);
QRectF sceneRect = mapRectToScene(r);
double w = sceneRect.width();
double h = sceneRect.height();
setSize(w, h);
}
else
{
QPointF delta = event->pos() - event->lastPos();
double new_x = coordinates_.x() + delta.x();
double new_y = coordinates_.y() + delta.y();
setPosition(new_x, new_y);
}
}
}
else
{
ContentWindowManagerPtr contentWindow = getContentWindowManager();
if(contentWindow)
{
// Zoom or forward event depending on type
contentWindow->getInteractionDelegate().mouseMoveEvent(event);
// force a redraw to update window info label
update();
}
}
}
void ContentWindowGraphicsItem::mouseReleaseEvent(QGraphicsSceneMouseEvent * event)
{
resizing_ = false;
moving_ = false;
ContentWindowManagerPtr contentWindow = getContentWindowManager();
if( contentWindow )
{
contentWindow->getContent()->blockAdvance( false );
if (selected())
{
contentWindow->getInteractionDelegate().mouseReleaseEvent(event);
}
}
QGraphicsItem::mouseReleaseEvent(event);
}
void ContentWindowGraphicsItem::drawTextLabel_( QPainter* painter )
{
ContentWindowManagerPtr contentWindowManager = getContentWindowManager();
float buttonWidth, buttonHeight;
getButtonDimensions(buttonWidth, buttonHeight);
const float fontSize = 24.;
QFont font;
font.setPixelSize(fontSize);
painter->setFont(font);
// color the text black
QPen pen;
pen.setColor(QColor(0,0,0));
painter->setPen(pen);
// scale the text size down to the height of the graphics view
// and, calculate the bounding rectangle for the text based on this scale
// the dimensions of the view need to be corrected for the tiled display aspect ratio
// recall the tiled display UI is only part of the graphics view since we show it at the correct aspect ratio
// TODO refactor this for clarity!
float viewWidth = (float)scene()->views()[0]->width();
float viewHeight = (float)scene()->views()[0]->height();
const float tiledDisplayAspect = g_configuration->getAspectRatio();
if(viewWidth / viewHeight > tiledDisplayAspect)
{
viewWidth = viewHeight * tiledDisplayAspect;
}
else if(viewWidth / viewHeight <= tiledDisplayAspect)
{
viewHeight = viewWidth / tiledDisplayAspect;
}
float verticalTextScale = 1. / viewHeight;
float horizontalTextScale = viewHeight / viewWidth * verticalTextScale;
painter->scale(horizontalTextScale, verticalTextScale);
QRectF textBoundingRect = QRectF(coordinates_.x() / horizontalTextScale,
coordinates_.y() / verticalTextScale,
coordinates_.width() / horizontalTextScale,
coordinates_.height() / verticalTextScale);
// get the label and render it
QString label(contentWindowManager->getContent()->getURI());
QString labelSection = label.section("/", -1, -1).prepend(" ");
painter->drawText(textBoundingRect, Qt::AlignLeft | Qt::AlignTop, labelSection);
// draw window info at smaller scale
verticalTextScale *= 0.5;
horizontalTextScale *= 0.5;
painter->scale(0.5, 0.5);
textBoundingRect = QRectF((coordinates_.x()+buttonWidth) / horizontalTextScale,
coordinates_.y() / verticalTextScale,
(coordinates_.width()-buttonWidth) / horizontalTextScale,
coordinates_.height() / verticalTextScale);
QString coordinatesLabel = QString(" (") + QString::number(coordinates_.x(), 'f', 2) + QString(" ,") +
QString::number(coordinates_.y(), 'f', 2) + QString(", ") +
QString::number(coordinates_.width(), 'f', 2) + QString(", ") +
QString::number(coordinates_.height(), 'f', 2) + QString(")\n");
QString zoomCenterLabel = QString(" zoom = ") + QString::number(zoom_, 'f', 2) + QString(" @ (") +
QString::number(centerX_, 'f', 2) + QString(", ") +
QString::number(centerY_, 'f', 2) + QString(")");
QString interactionLabel = QString(" x: ") +
QString::number(latestEvent_.mouseX, 'f', 2) +
QString(" y: ") + QString::number(latestEvent_.mouseY, 'f', 2) +
QString(" mouseLeft: ") + QString::number((int) latestEvent_.mouseLeft, 'b', 1) +
QString(" mouseMiddle: ") + QString::number((int) latestEvent_.mouseMiddle, 'b', 1) +
QString(" mouseRight: ") + QString::number((int) latestEvent_.mouseRight, 'b', 1);
QString windowInfoLabel = coordinatesLabel + zoomCenterLabel + interactionLabel;
painter->drawText(textBoundingRect, Qt::AlignLeft | Qt::AlignBottom, windowInfoLabel);
}
void ContentWindowGraphicsItem::mousePressEvent(QGraphicsSceneMouseEvent * event)
{
// on Mac we've seen that mouse events can go to the wrong graphics item
// this is due to the bug: https://bugreports.qt.nokia.com/browse/QTBUG-20493
// here we ignore the event if it shouldn't have been sent to us, which ensures
// it will go to the correct item...
if(boundingRect().contains(event->pos()) == false)
{
event->ignore();
return;
}
// button dimensions
float buttonWidth, buttonHeight;
getButtonDimensions(buttonWidth, buttonHeight);
// item rectangle and event position
QRectF r = boundingRect();
QPointF eventPos = event->pos();
// check to see if user clicked on the close button
if(fabs((r.x()+r.width()) - eventPos.x()) <= buttonWidth &&
fabs(r.y() - eventPos.y()) <= buttonHeight)
{
close();
return;
}
// move to the front of the GUI display
moveToFront();
ContentWindowManagerPtr contentWindow = getContentWindowManager();
if (!contentWindow)
return;
if (selected())
{
contentWindow->getInteractionDelegate().mousePressEvent(event);
return;
}
contentWindow->getContent()->blockAdvance( true );
// check to see if user clicked on the resize button
if(fabs((r.x()+r.width()) - eventPos.x()) <= buttonWidth &&
fabs((r.y()+r.height()) - eventPos.y()) <= buttonHeight)
{
resizing_ = true;
}
// check to see if user clicked on the fullscreen button
else if(fabs(r.x() - eventPos.x()) <= buttonWidth &&
fabs((r.y()+r.height()) - eventPos.y()) <= buttonHeight)
{
toggleFullscreen();
}
else if(fabs(((r.x()+r.width())/2) - eventPos.x() - buttonWidth) <= buttonWidth &&
fabs((r.y()+r.height()) - eventPos.y()) <= buttonHeight &&
g_configuration->getOptions()->getShowMovieControls( ))
{
contentWindow->setControlState( ControlState(contentWindow->getControlState() ^ STATE_PAUSED) );
}
else if(fabs(((r.x()+r.width())/2) - eventPos.x()) <= buttonWidth &&
fabs((r.y()+r.height()) - eventPos.y()) <= buttonHeight &&
g_configuration->getOptions()->getShowMovieControls( ))
{
contentWindow->setControlState( ControlState(contentWindow->getControlState() ^ STATE_LOOP) );
}
else
moving_ = true;
QGraphicsItem::mousePressEvent(event);
}
void ContentWindowGraphicsItem::paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget)
{
QGraphicsRectItem::paint(painter, option, widget);
boost::shared_ptr<ContentWindowManager> contentWindowManager = getContentWindowManager();
if(contentWindowManager != NULL)
{
// default pen
QPen pen;
// button dimensions
float buttonWidth, buttonHeight;
getButtonDimensions(buttonWidth, buttonHeight);
// draw close button
QRectF closeRect(rect().x() + rect().width() - buttonWidth, rect().y(), buttonWidth, buttonHeight);
pen.setColor(QColor(255,0,0));
painter->setPen(pen);
painter->drawRect(closeRect);
painter->drawLine(QPointF(rect().x() + rect().width() - buttonWidth, rect().y()), QPointF(rect().x() + rect().width(), rect().y() + buttonHeight));
painter->drawLine(QPointF(rect().x() + rect().width(), rect().y()), QPointF(rect().x() + rect().width() - buttonWidth, rect().y() + buttonHeight));
// resize indicator
QRectF resizeRect(rect().x() + rect().width() - buttonWidth, rect().y() + rect().height() - buttonHeight, buttonWidth, buttonHeight);
pen.setColor(QColor(128,128,128));
painter->setPen(pen);
painter->drawRect(resizeRect);
painter->drawLine(QPointF(rect().x() + rect().width(), rect().y() + rect().height() - buttonHeight), QPointF(rect().x() + rect().width() - buttonWidth, rect().y() + rect().height()));
// text label
// set the font
float fontSize = 24.;
QFont font;
font.setPixelSize(fontSize);
painter->setFont(font);
// color the text black
pen.setColor(QColor(0,0,0));
painter->setPen(pen);
// scale the text size down to the height of the graphics view
// and, calculate the bounding rectangle for the text based on this scale
// the dimensions of the view need to be corrected for the tiled display aspect ratio
// recall the tiled display UI is only part of the graphics view since we show it at the correct aspect ratio
float viewWidth = (float)scene()->views()[0]->width();
float viewHeight = (float)scene()->views()[0]->height();
float tiledDisplayAspect = (float)g_configuration->getTotalWidth() / (float)g_configuration->getTotalHeight();
if(viewWidth / viewHeight > tiledDisplayAspect)
{
viewWidth = viewHeight * tiledDisplayAspect;
}
else if(viewWidth / viewHeight <= tiledDisplayAspect)
{
viewHeight = viewWidth / tiledDisplayAspect;
}
float verticalTextScale = 1. / viewHeight;
float horizontalTextScale = viewHeight / viewWidth * verticalTextScale;
painter->scale(horizontalTextScale, verticalTextScale);
QRectF textBoundingRect = QRectF(rect().x() / horizontalTextScale, rect().y() / verticalTextScale, rect().width() / horizontalTextScale, rect().height() / verticalTextScale);
// get the label and render it
QString label(contentWindowManager->getContent()->getURI().c_str());
QString labelSection = label.section("/", -1, -1).prepend(" ");
painter->drawText(textBoundingRect, Qt::AlignLeft | Qt::AlignTop, labelSection);
// draw window info at smaller scale
verticalTextScale *= 0.5;
horizontalTextScale *= 0.5;
painter->scale(0.5, 0.5);
textBoundingRect = QRectF(rect().x() / horizontalTextScale, rect().y() / verticalTextScale, rect().width() / horizontalTextScale, rect().height() / verticalTextScale);
QString coordinatesLabel = QString(" (") + QString::number(x_, 'f', 2) + QString(" ,") + QString::number(y_, 'f', 2) + QString(", ") + QString::number(w_, 'f', 2) + QString(", ") + QString::number(h_, 'f', 2) + QString(")\n");
QString zoomCenterLabel = QString(" zoom = ") + QString::number(zoom_, 'f', 2) + QString(" @ (") + QString::number(centerX_, 'f', 2) + QString(", ") + QString::number(centerY_, 'f', 2) + QString(")");
QString interactionLabel = QString(" x: ") +
QString::number(interactionState_.mouseX_, 'f', 2) +
QString(" y: ") + QString::number(interactionState_.mouseY_, 'f', 2) +
QString(" mouseLeft: ") + QString::number((int) interactionState_.mouseLeft_, 'b', 1) +
QString(" mouseMiddle: ") + QString::number((int) interactionState_.mouseMiddle_, 'b', 1) +
QString(" mouseRight: ") + QString::number((int) interactionState_.mouseRight_, 'b', 1);
QString windowInfoLabel = coordinatesLabel + zoomCenterLabel + interactionLabel;
painter->drawText(textBoundingRect, Qt::AlignLeft | Qt::AlignBottom, windowInfoLabel);
}
}
