GtkSource.UndoManager¶

Implementations:: None

Methods¶

	`begin_not_undoable_action` ()
	`can_redo` ()
	`can_redo_changed` ()
	`can_undo` ()
	`can_undo_changed` ()
	`end_not_undoable_action` ()
	`redo` ()
	`undo` ()

Virtual Methods¶

	`do_begin_not_undoable_action` ()
	`do_can_redo` ()
	`do_can_redo_changed` ()
	`do_can_undo` ()
	`do_can_undo_changed` ()
	`do_end_not_undoable_action` ()
	`do_redo` ()
	`do_undo` ()

Properties¶

None

Signals¶

Name	Short Description
`can-redo-changed`	Emitted when the ability to redo has changed.
`can-undo-changed`	Emitted when the ability to undo has changed.

Fields¶

None

Class Details¶

class GtkSource.UndoManager¶

Bases:: GObject.GInterface
Structure:: GtkSource.UndoManagerIface

begin_not_undoable_action()¶: Begin a not undoable action on the buffer. All changes between this call and the call to GtkSource.UndoManager.end_not_undoable_action() cannot be undone. This function should be re-entrant.

New in version 2.10.

can_redo()¶

Returns:: True if there are redo operations available, False otherwise
Return type:: bool

Get whether there are redo operations available.

New in version 2.10.

can_redo_changed()¶: Emits the GtkSource.UndoManager ::can-redo-changed signal.

New in version 2.10.

can_undo()¶

Returns:: True if there are undo operations available, False otherwise
Return type:: bool

Get whether there are undo operations available.

New in version 2.10.

can_undo_changed()¶: Emits the GtkSource.UndoManager ::can-undo-changed signal.

New in version 2.10.

end_not_undoable_action()¶: Ends a not undoable action on the buffer.

New in version 2.10.

redo()¶: Perform a single redo. Calling this function when there are no redo operations available is an error. Use GtkSource.UndoManager.can_redo() to find out if there are redo operations available.

New in version 2.10.

undo()¶: Perform a single undo. Calling this function when there are no undo operations available is an error. Use GtkSource.UndoManager.can_undo() to find out if there are undo operations available.

New in version 2.10.

do_begin_not_undoable_action() virtual¶: Begin a not undoable action on the buffer. All changes between this call and the call to GtkSource.UndoManager.end_not_undoable_action() cannot be undone. This function should be re-entrant.

New in version 2.10.

do_can_redo() virtual¶

Returns:: True if there are redo operations available, False otherwise
Return type:: bool

Get whether there are redo operations available.

New in version 2.10.

do_can_redo_changed() virtual¶: Emits the GtkSource.UndoManager ::can-redo-changed signal.

New in version 2.10.

do_can_undo() virtual¶

Returns:: True if there are undo operations available, False otherwise
Return type:: bool

Get whether there are undo operations available.

New in version 2.10.

do_can_undo_changed() virtual¶: Emits the GtkSource.UndoManager ::can-undo-changed signal.

New in version 2.10.

do_end_not_undoable_action() virtual¶: Ends a not undoable action on the buffer.

New in version 2.10.

do_redo() virtual¶: Perform a single redo. Calling this function when there are no redo operations available is an error. Use GtkSource.UndoManager.can_redo() to find out if there are redo operations available.

New in version 2.10.

do_undo() virtual¶: Perform a single undo. Calling this function when there are no undo operations available is an error. Use GtkSource.UndoManager.can_undo() to find out if there are undo operations available.

New in version 2.10.

Signal Details¶

GtkSource.UndoManager.signals.can_redo_changed(undo_manager)¶

Signal Name:: can-redo-changed
Flags:: RUN_LAST, ACTION
Parameters:: undo_manager (GtkSource.UndoManager) – The object which received the signal

Emitted when the ability to redo has changed.

New in version 2.10.

GtkSource.UndoManager.signals.can_undo_changed(undo_manager)¶

Signal Name:: can-undo-changed
Flags:: RUN_LAST, ACTION
Parameters:: undo_manager (GtkSource.UndoManager) – The object which received the signal

Emitted when the ability to undo has changed.

New in version 2.10.