| Top |  |  |  |  | 
| void | e_widget_undo_attach () | 
| gboolean | e_widget_undo_is_attached () | 
| gboolean | e_widget_undo_has_undo () | 
| gboolean | e_widget_undo_has_redo () | 
| gchar * | e_widget_undo_describe_undo () | 
| gchar * | e_widget_undo_describe_redo () | 
| void | e_widget_undo_do_undo () | 
| void | e_widget_undo_do_redo () | 
| void | e_widget_undo_reset () | 
void e_widget_undo_attach (GtkWidget *widget,struct _EFocusTracker *focus_tracker);
The function does nothing, if the widget is not of a supported type
for undo functionality, same as when the undo is already attached.
It is ensured that the actions of the provided focus_tracker
 are
updated on change of the widget
.
See e_widget_undo_is_attached()
| widget | a GtkWidget, where to attach undo functionality | |
| focus_tracker | an EFocusTracker, can be  | 
Since: 3.12
gboolean
e_widget_undo_is_attached (GtkWidget *widget);
Checks whether the given widget has already attached an undo
functionality - it is done with e_widget_undo_attach()
Since: 3.12
gboolean
e_widget_undo_has_undo (GtkWidget *widget);
 Whether the given widget
has any undo available.
See: e_widget_undo_describe_undo
, e_widget_undo_do_undo
Since: 3.12
gboolean
e_widget_undo_has_redo (GtkWidget *widget);
 Whether the given widget
has any redo available.
See: e_widget_undo_describe_redo
, e_widget_undo_do_redo
Since: 3.12
gchar *
e_widget_undo_describe_undo (GtkWidget *widget);
Description of a top undo action available
for the widget
, NULL when there is no undo action. Returned pointer,
if not NULL, should be freed with g_free().
See: e_widget_undo_has_undo
, e_widget_undo_do_undo
. 
[transfer full]
Since: 3.12
gchar *
e_widget_undo_describe_redo (GtkWidget *widget);
Description of a top redo action available
for the widget
, NULL when there is no redo action. Returned pointer,
if not NULL, should be freed with g_free().
See: e_widget_undo_has_redo
, e_widget_undo_do_redo
. 
[transfer full]
Since: 3.12
void
e_widget_undo_do_undo (GtkWidget *widget);
Applies the top undo action on the widget
, which also remembers
a redo action. It does nothing if the widget doesn't have
attached undo functionality (e_widget_undo_attach()
See: e_widget_undo_attach
, e_widget_undo_has_undo
, e_widget_undo_describe_undo
Since: 3.12
void
e_widget_undo_do_redo (GtkWidget *widget);
Applies the top redo action on the widget
, which also remembers
an undo action. It does nothing if the widget doesn't have
attached undo functionality (e_widget_undo_attach()
See: e_widget_undo_attach
, e_widget_undo_has_redo
, e_widget_undo_describe_redo
Since: 3.12
void
e_widget_undo_reset (GtkWidget *widget);
Resets undo and redo stack to empty on a widget with attached
undo functionality. It does nothing, if the widget does not have
the undo functionality attached (see e_widget_undo_attach()
Since: 3.12