The ::select-all signal is a [keybinding signal][GtkBindingSignal] which gets emitted to select or unselect the complete contents of the text view.
The default bindings for this signal are Ctrl-a and Ctrl-/ for selecting and Shift-Ctrl-a and Ctrl-\ for unselecting.
|Default handler: |
The default handler is called after the handlers added via
|Signal can be directly emitted on objects from user code|
|Available since: 3.0|