void QUProfileController::drawGrid(QPainter & p)
{
if( ! m_vars.showGrid-> get()) return;
p.save();
// text is outside of the plot area, so disable clipping
p.setClipping(false);
int labelFontHeight = m_labelFontMetrics-> height();
// int captionFontHeight = m_captionFontMetrics-> height();
QColor captionColor( 0, 0, 128);
// y axis labels
int textGap = 2;
p.setFont ( m_labelFont);
p.setPen( QColor(100,100,100));
for( auto label : m_vertLabels) {
double yy = m_y2 - label.centerPix;
p.drawText( QRectF( m_x2 + textGap, yy, 1, 1),
Qt::AlignVCenter | Qt::TextDontClip | Qt::AlignLeft,
label.txt1
);
}
// x axis labels
for( Plot2dLabelers::LabelEntry & label : m_horizLabels) {
double xx = m_x1 + label.centerPix;
p.drawText( QRectF( xx, m_y2 + labelFontHeight / 2.0, 1, 1),
Qt::AlignCenter | Qt::TextDontClip,
label.txt1
);
}
// draw the grid lines
// ===================
p.setRenderHint( p.Antialiasing, false);
// p.setClipping( false);
p.setClipRect( m_x1, m_y1, m_x2 - m_x1, m_y2 - m_y1);
p.setClipping(true);
p.setPen( QPen(QColor(255,0,0,20), 1.0));
// draw horizontal lines
for( auto label : m_vertLabels) {
double yy = m_y2 - label.centerPix;
p.drawLine( QPointF(m_x1, yy), QPointF(m_x2, yy));
}
// draw vertical lines
for( auto label : m_horizLabels) {
double xx = m_x1 + label.centerPix;
p.drawLine( QPointF(xx, m_y1), QPointF(xx, m_y2));
}
// highlight 0 axes
p.setPen( QPen(QColor(255,0,0, 128), 1.0));
double x0 = ttx1( 0);
double y0 = tty1( 0);
p.drawLine( QPointF( x0, m_y1), QPointF( x0, m_y2));
p.drawLine( QPointF( m_x1, y0), QPointF( m_x2, y0));
// draw the surrounding rectangle
p.setClipping( false);
p.setPen( QPen( QColor( 255,70,70,128), 2, Qt::SolidLine, Qt::SquareCap, Qt::MiterJoin));
p.drawRect( m_x1, m_y1, m_x2-m_x1, m_y2-m_y1);
// put the painter in the original state
p.restore();
}
GraphicsPortItem::GraphicsPortItem(GraphicsClientItemsClient *client_, const QString &fullPortName_, int style_, QFont font_, int padding, QGraphicsItem *parent) :
QGraphicsPathItem(parent),
client(client_),
fullPortName(fullPortName_),
shortPortName(fullPortName.split(":")[1]),
dataType(client->getPortType(fullPortName)),
isInput(client->getPortFlags(fullPortName) & JackPortIsInput),
style(style_),
font(font_),
showMenu(false)
{
bool gradient = false;
QColor captionColor(0xfc, 0xf9, 0xc2);
setPen(QPen(QBrush(Qt::black), 2));
setBrush(QBrush(captionColor));
setFlags(QGraphicsItem::ItemSendsScenePositionChanges);
setCursor(Qt::ArrowCursor);
font.setStyleStrategy(QFont::PreferAntialias);
QFontMetrics fontMetrics(font);
int portPadding = padding;
QGraphicsSimpleTextItem *portTextItem = new QGraphicsSimpleTextItem(shortPortName, this);
portTextItem->setFont(font);
portTextItem->setPos(portPadding, 0);
portRect = portTextItem->boundingRect().adjusted(-portPadding, -portPadding, portPadding, portPadding).translated(portTextItem->pos());
QPainterPath portPath;
if (style == 0) {
portPath = portPath.united(EllipsePath(portRect));
} else if (style == 1) {
portPath = portPath.united(SpeechBubblePath(portRect, portRect.height() / 4, portRect.height() / 4, Qt::AbsoluteSize));
} else if (style == 2) {
portPath = portPath.united(RoundedRectanglePath(portRect, portPadding + fontMetrics.height() / 2, portPadding + fontMetrics.height() / 2));
} else if (style == 3) {
portPath = portPath.united(RectanglePath(portRect));
}
setPath(portPath);
// register the port registration callback at the jack server:
QObject::connect(client, SIGNAL(portRegistered(QString,QString,int)), this, SLOT(onPortRegistered(QString,QString,int)), Qt::QueuedConnection);
QObject::connect(client, SIGNAL(portUnregistered(QString,QString,int)), this, SLOT(onPortUnregistered(QString,QString,int)), Qt::QueuedConnection);
QObject::connect(client, SIGNAL(portConnected(QString,QString)), this, SLOT(onPortConnected(QString,QString)), Qt::QueuedConnection);
QObject::connect(client, SIGNAL(portDisconnected(QString,QString)), this, SLOT(onPortDisconnected(QString,QString)), Qt::QueuedConnection);
if (gradient) {
QLinearGradient gradient(portRect.topLeft(), portRect.bottomRight());
gradient.setColorAt(0, Qt::white);
gradient.setColorAt(1, QColor("wheat"));
setBrush(QBrush(gradient));
}
// create the context menu:
connectMenu = contextMenu.addMenu("Connect");
disconnectMenu = contextMenu.addMenu("Disconnect");
// create the entries in connect- and disconnect-menus, as well as graphical representations of existing connections:
QStringList connectedPorts = client->getConnectedPorts(fullPortName);
QSet<QString> connectedPortsSet;
for (int i = 0; i < connectedPorts.size(); i++) {
// create an entry in the disconnect-menu:
QAction *action = disconnectMenu->addAction(connectedPorts[i]);
action->setData(connectedPorts[i]);
QObject::connect(action, SIGNAL(triggered()), this, SLOT(onDisconnectAction()));
mapPortNamesToActions[connectedPorts[i]] = action;
connectedPortsSet.insert(connectedPorts[i]);
// create a graphical representation of the connection:
if (isInput) {
client->getPortConnectionItem(connectedPorts[i], fullPortName)->setPos(fullPortName, getConnectionScenePos());
} else {
client->getPortConnectionItem(fullPortName, connectedPorts[i])->setPos(fullPortName, getConnectionScenePos());
}
}
// get all available ports that can be connected to this:
QStringList connectablePorts = client->getPorts(0, dataType.toAscii().data(), isInput ? JackPortIsOutput : JackPortIsInput);
for (int i = 0; i < connectablePorts.size(); i++) {
// skip ports that are already connected:
if (!connectedPortsSet.contains(connectablePorts[i])) {
// create an entry in the connect-menu:
QAction *action = connectMenu->addAction(connectablePorts[i]);
action->setData(connectablePorts[i]);
QObject::connect(action, SIGNAL(triggered()), this, SLOT(onConnectAction()));
mapPortNamesToActions[connectablePorts[i]] = action;
}
}
disconnectMenu->setEnabled(disconnectMenu->actions().size());
connectMenu->setEnabled(connectMenu->actions().size());
}
