zrythm::gui::actions::UndoManager Class Reference

Undo manager. More...

#include <src/gui/backend/backend/legacy_actions/undo_manager.h>

Inheritance diagram for zrythm::gui::actions::UndoManager:

Collaboration diagram for zrythm::gui::actions::UndoManager:

Public Member Functions
	UndoManager (QObject *parent=nullptr)
void	init_loaded (sample_rate_t engine_sample_rate)
	Inits the undo manager by populating the undo/redo stacks.
UndoStack *	getUndoStack () const
UndoStack *	getRedoStack () const
Q_INVOKABLE void	undo ()
	Undo last action.
Q_INVOKABLE void	redo ()
	Redo last undone action.
Q_INVOKABLE void	perform (QObject *action_qobject)
	Performs the action and pushes it to the undo stack.
void	get_plugins (std::vector< zrythm::plugins::Plugin * > &arr) const
	Returns all plugins in the undo stacks.
std::optional< UndoableActionPtrVariant >	get_last_action () const
	Returns the last performed action, or NULL if the stack is empty.
void	clear_stacks ()
	Clears the undo and redo stacks.

Data Fields
UndoStack *	undo_stack_ = nullptr
UndoStack *	redo_stack_ = nullptr
bool	redo_stack_locked_ = false
	Whether the redo stack is currently locked.
std::binary_semaphore	action_sem_ { 1 }
	Semaphore for performing actions.

Properties
UndoStack *	undoStack
UndoStack *	redoStack

Friends
void	init_from (UndoManager &obj, const UndoManager &other, utils::ObjectCloneType clone_type)
void	to_json (nlohmann::json &j, const UndoManager &undo_manager)
void	from_json (const nlohmann::json &j, UndoManager &undo_manager)

Detailed Description

Undo manager.

Definition at line 18 of file undo_manager.h.

Member Function Documentation

get_plugins()

void zrythm::gui::actions::UndoManager::get_plugins

(

std::vector< zrythm::plugins::Plugin * > &

arr

)

const

Returns all plugins in the undo stacks.

Used when cleaning up state dirs.

getRedoStack()

UndoStack * zrythm::gui::actions::UndoManager::getRedoStack ( ) const

inline

Definition at line 36 of file undo_manager.h.

getUndoStack()

UndoStack * zrythm::gui::actions::UndoManager::getUndoStack ( ) const

inline

Definition at line 35 of file undo_manager.h.

perform()

Q_INVOKABLE void zrythm::gui::actions::UndoManager::perform

(

QObject *

action_qobject

)

Performs the action and pushes it to the undo stack.

Note

Takes ownership of the action.

Exceptions

ZrythmException

If the action couldn't be performed.

redo()

Q_INVOKABLE void zrythm::gui::actions::UndoManager::redo

(

)

Redo last undone action.

Exceptions

ZrythmException

on error.

undo()

Q_INVOKABLE void zrythm::gui::actions::UndoManager::undo

(

)

Undo last action.

Exceptions

ZrythmException

on error.

Friends And Related Symbol Documentation

from_json

void from_json ( const nlohmann::json & j, UndoManager & undo_manager )

friend

Definition at line 91 of file undo_manager.h.

to_json

void to_json ( nlohmann::json & j, const UndoManager & undo_manager )

friend

Definition at line 87 of file undo_manager.h.

Field Documentation

action_sem_

std::binary_semaphore zrythm::gui::actions::UndoManager::action_sem_ { 1 }

Semaphore for performing actions.

Definition at line 125 of file undo_manager.h.

redo_stack_

UndoStack* zrythm::gui::actions::UndoManager::redo_stack_ = nullptr

Definition at line 115 of file undo_manager.h.

redo_stack_locked_

bool zrythm::gui::actions::UndoManager::redo_stack_locked_ = false

Whether the redo stack is currently locked.

This is used as a hack when cancelling arranger drags.

Definition at line 122 of file undo_manager.h.

undo_stack_

UndoStack* zrythm::gui::actions::UndoManager::undo_stack_ = nullptr

Definition at line 114 of file undo_manager.h.

Property Documentation

redoStack

UndoStack * zrythm::gui::actions::UndoManager::redoStack

read

Definition at line 22 of file undo_manager.h.

undoStack

UndoStack * zrythm::gui::actions::UndoManager::undoStack

read

Definition at line 21 of file undo_manager.h.

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The documentation for this class was generated from the following file:

• src/gui/backend/backend/legacy_actions/undo_manager.h