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The opposite of to undo is to redo. The redo command reverses the undo or advances the buffer to a more recent state. The common components of undo functionality are the commands which were executed of the user, the history buffer(s) which stores the completed actions, the undo/redo manager for controlling the history buffer, and the user ...
One example of how this can be used is to restore an object to its previous state (undo via rollback), another is versioning, another is custom serialization. The memento pattern is implemented with three objects: the originator, a caretaker and a memento. The originator is some object that has an internal state.
Command Manager, Undo Manager, Scheduler, Queue, Dispatcher, Invoker: an object that puts command/event objects on an undo stack or redo stack, or that holds on to command/event objects until other objects are ready to act on them, or that routes the command/event objects to the appropriate receiver/target object or handler code.
Configurable Plugin system, with optional python support; A complete preferences interface; A new mini map which gives you instant overview over the content. [8] The new grid background pattern turns Pluma into a writing pad. The sort plugin supports undo actions. A show/hide line-numbers shortcut, namely Ctrl + Y.
Python 3 is now default in scripts. [21] Scribus 1.5.7 improves undo and redo action. Qt 5.14 is new base for compilation and 3rd party components have newer versions. Next version is 1.5.8 as perhaps last step before 1.6.0. [22] From view of developers Version 1.5.7 is stable.
Undo and redo – As with word processors, text editors provide a way to undo and redo the last edit, or more. Often—especially with older text editors—there is only one level of edit history remembered and successively issuing the undo command will only "toggle" the last change.
Python: No cost: wxWindows license: EmEditor: Emurasoft, Inc. 1997 21.3.0 2021-11-24 C++ ... Multiple undo/redo Rectangular block selection Virtual Space Support
Glade Interface Designer is a graphical user interface builder for GTK, with additional components for GNOME.In its third version, Glade is programming language–independent, and does not produce code for events, but rather an XML file that is then used with an appropriate binding (such as GtkAda for use with the Ada programming language).