its simple, create a "label" widget using the same "system" font with the sane font size as used for the title, let the size be automatic, then "get" the dimensions of the "label"

kinda like this Re^3: Query the height of Tk::Text widget with word wrap, Re^7: Query the height of Tk::Text widget with word wrap

In reply to Re^3: Gtk2::Dialog window size by Anonymous Monk
in thread Gtk2::Dialog window size by smittypaddler

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