gtk-tool-button, gtk-tool-item, gtk-bin, gtk-container, gtk-widget, gtk-buildable, gtk-activatable, gtk-actionable, g-object, common-lisp:standard-object, common-lisp:t

A gtk-toggle-tool-button widget is a gtk-tool-item widget that contains a toggle button. Use the gtk-toggle-tool-button-new function to create a new toggle tool button. The gtk-toggle-tool-button implementation has a single CSS node with name togglebutton.

The "toggled" signal

 lambda (button)    :run-first      

Emitted whenever the toggle tool button changes state.

button

The gtk-toggle-tool-button widget that emitted the signal.