OnCheckItem вызывается CheckListCtrlMixin.
Добавьте панель к фрейму и установите родительский элемент ComboCtrl в качестве панели
Измените возвращаемое значение метода GetAdjustedSize метода ComboPopup, чтобы изменить размер
import wx
import wx.stc
from wx.lib.mixins.listctrl import CheckListCtrlMixin, ListCtrlAutoWidthMixin
class CheckListCtrl(wx.ListCtrl, CheckListCtrlMixin, ListCtrlAutoWidthMixin):
def __init__(self, parent):
wx.ListCtrl.__init__(self, parent, wx.ID_ANY, style=wx.LC_REPORT |
wx.SUNKEN_BORDER)
CheckListCtrlMixin.__init__(self)
ListCtrlAutoWidthMixin.__init__(self)
self.SetSize(-1, -1, -1, 50)
def OnCheckItem(self, index, flag):
item = self.GetItem(index)
if flag:
what = "checked"
else:
what = "unchecked"
print(f'{item.GetText()} - {what}')
class ListViewComboPopup(wx.ComboPopup):
def __init__(self):
wx.ComboPopup.__init__(self)
self.lc = None
def AddItem(self, txt):
self.lc.InsertItem(0, txt)
def Init(self):
self.value = -1
self.curitem = -1
def Create(self, parent):
self.lc = CheckListCtrl(parent)
self.lc.InsertColumn(0, '', width=90)
return True
def GetControl(self):
return self.lc
def OnPopup(self):
wx.ComboPopup.OnPopup(self)
def GetAdjustedSize(self, minWidth, prefHeight, maxHeight):
return wx.ComboPopup.GetAdjustedSize(
self, minWidth, 110, maxHeight)
class MyForm(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, title="Popup Menu Tutorial")
panel = wx.Panel(self)
comboCtrl = wx.ComboCtrl(panel, wx.ID_ANY, "Select filter")
popupCtrl = ListViewComboPopup()
comboCtrl.SetPopupControl(popupCtrl)
popupCtrl.AddItem("Test 1")
popupCtrl.AddItem("Test 2")
popupCtrl.AddItem("Test 3")
if __name__ == "__main__":
app = wx.App(False)
frame = MyForm().Show()
app.MainLoop()