disable some functions of right-click menu

[Duan Yi]

How can I disable/customize the functions of the right-click menu in pyqtgraph? Much appreciated.

[Dejan Penko]

Code example. I don't guarantee that copy-paste will work as It is only a part of my whole code, but it should give you some tips and ideas.

import pyqtgraph as pg

class MyCustomPlotContextMenu(pg.ViewBox):
    """Subclass of ViewBox.
    """

    def __init__(self parent=None):
        """Constructor of the QVizCustomPlotContextMenu

        super(MyCustomPlotContextMenu, self).__init__(parent)

        # Set original plot context menu
        # Note: self.menu must not be None (this way works fine for plotWidgets,
        # but not for GraphicsWindow)
        self.menu = pg.ViewBoxMenu.ViewBoxMenu(self)

        # Menu update property
        self.menuUpdate = True

    def getMenu(self, event=None):
        """Modify the menu. Called by the pyqtgraph.ViewBox raiseContextMenu()
        routine.
        Note: Overwriting the ViewBox.py getMenu() function.
        """

        if self.menuUpdate is True:
            # Modify contents of the original ViewBoxMenu
            for action in self.menu.actions():
                # Modify the original Mouse Mode
                if "Mouse Mode" in action.text():
                    # Change action labels
                    for mouseAction in self.menu.leftMenu.actions():
                        if "3 button" in mouseAction.text():
                            mouseAction.setText("CustomLabel1")
                        elif "1 button" in mouseAction.text():
                            mouseAction.setText("CustomLabel2")

            # Add custom contents to menu
            self.addCustomToMenu()

            # Set menu update to false
            self.menuUpdate = False

        return self.menu

    def addCustomToMenu(self):
        """Add custom actions to the menu.
        """
        self.menu.addSeparator()
        # Autorange feature
        self.actionAutoRange = QAction("Auto Range", self.menu)
        self.actionAutoRange.triggered.connect(self.autoRange)
        # - Add to main menu
        self.menu.addAction(self.actionAutoRange)

        # - Add to main menu
        self.menu.addAction(self.actionConfigurePlot)

To set your custom contextMenu as default one, you have to set it as a 'viewBox' argument

Example: 

myPlotWidget = pg.PlotWidget(parent, viewBox=MyCustomPlotContextMenu)

On Tue, 4 Dec 2018 at 13:55, Duan Yi <yi.du...@gmail.com> wrote:

How can I disable/customize the functions of the right-click menu in pyqtgraph? Much appreciated.

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