Override context menu of combobox text-entry-field

Sommerforsker <[email protected]> Fri, 30 Oct 2020 03:20:15 -0700 (PDT)

Newsgroups	gmane.comp.python.wxpython
Message-ID	<[email protected]>

Hi all,

In an application, I am trying to implement a context menu for various 
actions. 
Simply using "panel.Bind(wx.EVT_CONTEXT_MENU, self.onContext)" works for 
all widgets in my application except for editable ComboBoxes. The 
text-entry-field of the ComboBoxes produces the standard TextCtrl context 
menu when right-clicked, instead of my own. I suspect that the problem 
stems from the ComboBox being both a text-entry and item containing widget, 
as there is no problem overriding the menu of the TextCtrl widget.

Is it possible to override the default text-entry-field context menu?

Please find the attached example.

Best regards,

Sommerforsker

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temp2.py (text/plain, 1.9 KB)

import wx


# ----------------------------------------------------------------------
class Example(wx.Frame):
    # ----------------------------------------------------------------------
    def __init__(self):
        """Constructor"""
        wx.Frame.__init__(self, None, title="Popup Menu Tutorial")
        panel = wx.Panel(self)
        sizer = wx.BoxSizer(wx.HORIZONTAL)
        sizer.Add(panel, -1, wx.EXPAND | wx.ALL)
        self.SetSizerAndFit(sizer)
        self.SetMinSize((400, 400))

        vBox = wx.BoxSizer(wx.VERTICAL)
        textCtrl = wx.TextCtrl(panel, -1)
        vBox.Add(textCtrl, 0, wx.EXPAND | wx.ALL, 10)
        comboBox = wx.ComboBox(panel, 0, choices=["1", "2"])
        vBox.Add(comboBox, 0, wx.EXPAND | wx.ALL, 10)
        comboBoxRO = wx.ComboBox(panel, 0, choices=["1", "2"], style=wx.CB_READONLY)
        vBox.Add(comboBoxRO, 0, wx.EXPAND | wx.ALL, 10)
        self.button = wx.Button(panel, -1, 'Push me!')
        vBox.Add(self.button, 0, wx.EXPAND | wx.ALL, 10)
        panel.SetSizerAndFit(vBox)

        panel.Bind(wx.EVT_CONTEXT_MENU, self.onContext)

    # ----------------------------------------------------------------------
    def onContext(self, event):
        # only do this part the first time so the events are only bound once
        if not hasattr(self, "popupID1"):
            self.popupID1 = wx.NewId()
            self.Bind(wx.EVT_MENU, self.onPopup, id=self.popupID1)

        # build the menu
        menu = wx.Menu()
        menu.Append(self.popupID1, "ItemOne")

        # show the popup menu
        self.PopupMenu(menu)
        menu.Destroy()

    # ----------------------------------------------------------------------
    def onPopup(self, e):
        print 'menu item clicked'


# ----------------------------------------------------------------------
if __name__ == "__main__":
    app = wx.App()
    frame = Example()
    frame.Show()
    app.MainLoop()