def glass_path(scene, x, y, w, h, colr):
qp = QPainterPath()
qp.addRoundedRect(x, y, w, h, 5, 5)
gradient = QLinearGradient(0, +0, 0, 1)
gradient.setCoordinateMode(QGradient.ObjectBoundingMode)
gradient.setColorAt(0, colr)
gradient.setColorAt(1, colr.lighter(150))
brush = QBrush(gradient)
item = QGraphicsPathItem()
item.setPath(qp)
item.setBrush(brush)
scene.addItem(item)
# Draw glass reflection
glass = QPainterPath()
r = 3
glass.addRoundedRect(x + r, y + r, w - 2 * r, 2 * r, r, r)
gradient = QLinearGradient(0, +0, 0, 1)
gradient.setCoordinateMode(QGradient.ObjectBoundingMode)
gradient.setColorAt(0, QColor(255, 255, 255, 188))
gradient.setColorAt(1, QColor(255, 255, 255, 0))
brush = QBrush(gradient)
item = QGraphicsPathItem()
item.setPath(glass)
item.setBrush(brush)
item.setPen(QPen(Qt.transparent))
scene.addItem(item)
def __init__(self, parent):
super(QNEBlock, self).__init__(parent)
self.m_nodeEditor = None
self.m_name = ""
self.m_uuid = ""
self.normalBrush = QApplication.palette().dark()
normalColor = self.normalBrush.color()
normalColor.setAlphaF(0.8)
self.normalBrush.setColor(normalColor)
self.selectedBrush = QApplication.palette().light()
selectedColor = self.selectedBrush.color()
selectedColor.setAlphaF(0.8)
self.selectedBrush.setColor(selectedColor)
self.pen = QPen(QApplication.palette().text().color(), 1)
path = QPainterPath()
path.addRoundedRect(-50, -15, 100, 30, 5, 5)
self.setPath(path)
self.setBrush(self.normalBrush)
self.setFlag(QGraphicsItem.ItemIsMovable)
self.setFlag(QGraphicsItem.ItemIsSelectable)
self.effect = QGraphicsDropShadowEffect(None)
self.effect.setBlurRadius(8)
self.effect.setOffset(2, 2)
self.setGraphicsEffect(self.effect)
self.horzMargin = 20
self.vertMargin = 5
self.width = self.horzMargin
self.height = self.vertMargin
def addPort(self, name, hasInput=False, hasOutput=False, flags=0):
port = QNEPort(self)
port.setName(name)
port.setCanConnect(hasInput, hasOutput)
port.setNEBlock(self)
port.setPortFlags(flags)
innerSize = port.innerSize()
width = innerSize.width()
height = innerSize.height()
if width > self.width - self.horzMargin:
self.width = width + self.horzMargin
self.height += height
path = QPainterPath()
path.addRoundedRect(-self.width / 2, -self.height / 2, self.width,
self.height, 5, 5)
self.setPath(path)
y = -self.height / 2 + self.vertMargin + port.radius()
for port_ in self.childItems():
if port_.type() != QNEPort.Type:
continue
port_.setPos(-self.width / 2 - port.radius(), y)
port_.setWidth(self.width)
y += port_.innerSize().height()
return port
def addPort(self, name, isOutput = False, flags = 0, ptr = None):
port = QNEPort(self)
port.setName(name)
port.setIsOutput(isOutput)
port.setNEBlock(self)
port.setPortFlags(flags)
port.setPtr(ptr)
fontmetrics = QFontMetrics(self.scene().font());
width = fontmetrics.width(name)
height = fontmetrics.height()
if width > self.width - self.horzMargin:
self.width = width + self.horzMargin
self.height += height
path = QPainterPath()
path.addRoundedRect(-self.width/2, -self.height/2, self.width, self.height, 5, 5)
self.setPath(path)
y = -self.height / 2 + self.vertMargin + port.radius()
for port_ in self.childItems():
if port_.type() != QNEPort.Type:
continue
if port_.isOutput():
port_.setPos(self.width/2 + port.radius(), y)
else:
port_.setPos(-self.width/2 - port.radius(), y)
y += height;
return port
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRoundedRect(0, 0, width, height, height / 2, height / 2)
path.moveTo(min(width / 2, height / 2), 0)
path.lineTo(min(width / 2, height / 2), height)
path.moveTo(max(width / 2, width - height / 2), 0)
path.lineTo(max(width / 2, width - height / 2), height)
self.setPath(path)
super(Start, self).set_shape(width, height)
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRoundedRect(0, 0, width, height, height / 2, height / 2)
path.moveTo(min(width / 2, height / 2), 0)
path.lineTo(min(width / 2, height / 2), height)
path.moveTo(max(width / 2, width - height / 2), 0)
path.lineTo(max(width / 2, width - height / 2), height)
self.setPath(path)
super(Start, self).set_shape(width, height)
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRoundedRect(0, 0, width, height, height / 4, height)
if self.nested_scene and self.is_composite():
# Distinguish composite states with dash line
self.setPen(QPen(Qt.DashLine))
else:
self.setPen(QPen(Qt.SolidLine))
self.setPath(path)
super(State, self).set_shape(width, height)
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRoundedRect(0, 0, width, height, height / 4, height)
if self.nested_scene and self.is_composite():
# Distinguish composite states with dash line
self.setPen(QPen(Qt.DashLine))
else:
self.setPen(QPen(Qt.SolidLine))
self.setPath(path)
super(State, self).set_shape(width, height)
def __init__(self, parent):
super(QNEBlock, self).__init__(parent)
path = QPainterPath()
path.addRoundedRect(-50, -15, 100, 30, 5, 5);
self.setPath(path)
self.setPen(QPen(Qt.darkGreen))
self.setBrush(Qt.green)
self.setFlag(QGraphicsItem.ItemIsMovable)
self.setFlag(QGraphicsItem.ItemIsSelectable)
self.horzMargin = 20
self.vertMargin = 5
self.width = self.horzMargin
self.height = self.vertMargin
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRoundedRect(0, 0, width, height, height / 2, height / 2)
self.setPath(path)
super(Start, self).set_shape(width, height)
def set_shape(self, width, height):
''' Compute the polygon to fit in width, height '''
path = QPainterPath()
path.addRoundedRect(0, 0, width, height, height / 2, height / 2)
self.setPath(path)
super(Start, self).set_shape(width, height)
