I'm trying to get a TreeStore in a ComboBox to look like I want but haven't been able to do so.
I'm trying to design a form to be used with a database of business records. I have categories under "Income" and "Expense", which I wish to be separated from each other. I can get the setup I want by creating a TreeStore with 'Income' and 'Expense' as top-level rows and each category under the respective top-level. When I click on the ComboBox, I get a pop-up menu with "Income" and "Expense" displayed (separated by a separator) - this is well and good. But when I come to the submenus, I have the top-level name, i.e. "Income" or "Expense" displayed, under it a separator, and then the categories. I'd prefer that the top-levels were not displayed in the sub-menu, or at least were not clickable. But I've not been able to find a solution. I'll attach a simple test program with which I've been experimenting. It's written in Perl - I contemplated sending it to the gtk-perl list, but I think my question is more of a gtk question. If anyone can point me in the right direction - or tell me a better way - I'd greatly appreciate it.
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