I have created a toplevel window like this:
<window>
<vbox>
<expander>
<treeview>
<table>
<label><entry>
<label><entry>
...
The glade file is available on my website [1].
The labels and entries in the table have a fixed height. Thus, resizing
the window should change the size of the treeview (if it's not hidden by
the expander of course). But it doesn' work the way I want it.
The window starts with the expander collapsed. When I use the arrow to
expand it, the arrow changes its state, but the treeview remains
invisible. See screenshot [2]. Only when I enlarge the toplevel window,
I can make the treeview visible. It seems like the initial height of the
treeview is zero? If I replace the treeview with another widget like a
button, it is shown instantly (e.g. without enlarging the toplevel window).
Now, if I collapse again, the treeview disappears like it should, but
the space where it used to be remains empty. See screenshot [3]. And
that's not certainly not what I wanted. This empty space should be gone
and the toplevel window should shrink. How can I do that?
[1] http://users.telenet.be/sacn/tmp/expander.glade
[2] http://users.telenet.be/sacn/tmp/expander_1.png
[3] http://users.telenet.be/sacn/tmp/expander_2.png
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