Gets emitted to select or unselect the complete contents of the text view.
The select_all signal is a [keybinding signal](class.SignalAction.html).
The default bindings for this signal are <kbd>Ctrl</kbd>+<kbd>a</kbd> and <kbd>Ctrl</kbd>+<kbd> /</kbd> for selecting and <kbd>Shift</kbd>+<kbd>Ctrl</kbd>+<kbd>a</kbd> and <kbd>Ctrl< /kbd>+<kbd></kbd> for unselecting.
select |
true to select, false to unselect |