CODEWITHSUNDEEP
pyqtgraph
fengwt
fengwt

Reputation: 189

pyqtgraph: When I click on a PlotItem how do I know which item has been clicked

I don't konw if my method is the right method, but it works.

class PltItem(pg.PlotItem):

    pltClicked = Signal()

    def __init__(self, parent = None):
        super(PltItem, self).__init__(parent)

    def mousePressEvent(self, ev):
        super(PltItem, self).mousePressEvent(ev)
        self.pltClicked.emit()

the in the main window i use

for i, plt in enumerate(self.plts):
    self.connect(plt, SIGNAL("pltClicked()"), partial(self.selectplot, i))

def selectplot(self, i):
    ...

Upvotes: 0

Views: 4082

Answers (1)

Luke
Luke

Reputation: 11644

Your solution is a good one. Another solution is to connect to the GraphicsScene.sigMouseClicked signal and use QGraphicsScene.items() to determine whether a PlotItem (or any other item) was under the click.

Upvotes: 3

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