def __init__(self, graph, destPort, sourcePort):
super(EdgeTracer, self).__init__()
# show a faux copy of the delete menu
menu = QtWidgets.QMenu()
menu.addAction("Delete")
# position of pipe end based on port type
bindout_y = 5
bindin_y = -1
p1 = self.mapFromItem(sourcePort, 3.5, bindin_y)
p2 = self.mapFromItem(destPort, 3.5, bindout_y)
pos = graph.mapToGlobal(graph.mapFromScene((p1 - p2) / 2 + p2))
# render the menu without executing it
try:
# PyQt4
menupixmap = QtGui.QPixmap().grabWidget(menu)
except AttributeError:
menupixmap = menu.grab() # QtGui.QPixmap().grabWidget(menu)
# round edges
#mask = menupixmap.createMaskFromColor(QtGui.QColor(255, 255, 255), QtCore.Qt.MaskOutColor)
#p = QtGui.QPainter(menupixmap)
#p.setRenderHint(QtGui.QPainter.Antialiasing)
#p.drawRoundedRect(0,0,menupixmap.width(),menupixmap.height(), 5,5)
#p.drawPixmap(menupixmap.rect(), mask, mask.rect())
#p.end()
# display the menu image (as a dummy menu as its being built)
# TODO: this could probably be moved to the FauxMenu
self._tracer = QtWidgets.QLabel()
self._tracer.setWindowFlags(QtCore.Qt.Tool
| QtCore.Qt.FramelessWindowHint)
self._tracer.move(pos)
self._tracer.setPixmap(menupixmap)
self._tracer.show()
self._tracer.raise_()
# draw a faux selected line
line = QtCore.QLineF(p1, p2)
self.setPen(
QtGui.QPen(QtGui.QColor(QtCore.Qt.red), 2, QtCore.Qt.DashLine,
QtCore.Qt.RoundCap, QtCore.Qt.RoundJoin))
self.setLine(line)
self.setZValue(0)
# cleanup both menu item and line by removing from scene (parent).
self._timer = QtCore.QTimer()
self._timer.singleShot(300, lambda: graph.scene().removeItem(self))
def searchMenu(self, txt, parent, mousemenu):
# this menu needs to be rebuilt everytime a character changes
# don't bother if the user just cleared the search
if len(txt) == 0:
return
pos = self._parent.mapToGlobal(self._parent._event_pos + QtCore.QPoint(mousemenu.sizeHint().width(), 0))
# generate the menu
menu = QtGui.QMenu(self._parent)
self.generateNodeSearchActions(str(txt), menu, mousemenu)
# render the menu without executing it
menupixmap = QtGui.QPixmap().grabWidget(menu)
# display the menu image (as a dummy menu as its being built)
# TODO: this could probably be moved to the FauxMenu
self._listwdg = FauxMenu(menu, pos)
self._listwdg.setWindowFlags(QtCore.Qt.Tool | QtCore.Qt.FramelessWindowHint)
self._listwdg.move(pos)
self._listwdg.setPixmap(menupixmap)
self._listwdg.show()
self._listwdg.raise_()
def clearPixmap(self):
self.setPixmap(QtGui.QPixmap())
