If the @type is %GTK_DELETE_CHARS, GTK deletes the selection
if there is one, otherwise it deletes the requested number
of characters.
The default bindings for this signal are <kbd>Delete</kbd> for
deleting a character, <kbd>Ctrl</kbd>-<kbd>Delete</kbd> for
deleting a word and <kbd>Ctrl</kbd>-<kbd>Backspace</kbd> for
deleting a word backwards.
Gets emitted when the user initiates a text deletion.
The ::delete-from-cursor signal is a keybinding signal.
If the @type is %GTK_DELETE_CHARS, GTK deletes the selection if there is one, otherwise it deletes the requested number of characters.
The default bindings for this signal are <kbd>Delete</kbd> for deleting a character, <kbd>Ctrl</kbd>-<kbd>Delete</kbd> for deleting a word and <kbd>Ctrl</kbd>-<kbd>Backspace</kbd> for deleting a word backwards.