Question

I understand there are lots of settings for setting layouts. Here is a ListCtrl of fixed dimensions inside a horizontal sizer.

This absolute size either displays leftover space or is too small depending on number of columns.

What are the layout commands to draw a ListCtrl?

How do I make the ListCtrl more responsive, so that it:

• shows data from many columns at a glance without needing a resize
• doesnt become bad on different GUIs and resizes

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Code listing for the panel that hosts the list:

class CalcPanel(wx.Panel):
    def __init__(self, parent):
        wx.Panel.__init__(self, parent)

        self.lc = wx.ListCtrl(self, -1, size=(200,200), style=wx.LC_REPORT)
        self.lc.InsertColumn(0, 'State')
        self.lc.InsertColumn(1, 'Capital')
        #self.lc.SetColumnWidth(0, 140)
        #self.lc.SetColumnWidth(1, 153)
    #self.list_ctrl.Show()

        self.sizer = wx.BoxSizer(wx.HORIZONTAL)

        btn = wx.Button(self, label="Add Line")

        self.sizer.Add(btn)
        self.sizer.Add(self.lc, 1, wx.LEFT | wx.TOP | wx.GROW)
        self.SetSizer(self.sizer)
        self.Fit()

    def InitUI(self):
    pass

Answer 1

Have you looked at wx.lib.mixins.listctrl.ListCtrlAutoWidthMixin?

if you inherit from wx.lib.mixins.listctrl.ListCtrlAutoWidthMixin as well as wx.ListCtrl, and call the classes __init__ in your __init__ method the last column will auto resize with resize events

You can also change which column auto resizes with setResizeColumn