Web Reference: GtkSpinButtons main CSS node has the name spinbutton. It creates subnodes for the entry and the two buttons, with these names. The button nodes have the style classes .up and .down. The GtkEntry subnodes (if present) are put below the entry node. Rather than having to directly type a number into a Gtk.Entry, Gtk.SpinButton allows the user to click on one of two arrows to increment or decrement the displayed value. GTK+ 1.2.10 with patches from several Linux distributions - GTK/examples/spinbutton/spinbutton.c at master · tindzk/GTK
YouTube Excerpt: http://linux-buddy.blogspot.com/2014/01/
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Gtk Example Spinbutton Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $66M - $86M
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Last Updated: April 12, 2026
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