zrythm::gui::actions::UndoStack Class Reference

Serializable stack for undoable actions. More...

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

Inheritance diagram for zrythm::gui::actions::UndoStack:

Collaboration diagram for zrythm::gui::actions::UndoStack:

Public Types
enum	UndoableActionRoles { UndoableActionPtrRole = Qt::UserRole + 1 }

Public Member Functions
	UndoStack (QObject *parent=nullptr)
QHash< int, QByteArray >	roleNames () const override
int	rowCount (const QModelIndex &parent=QModelIndex()) const override
QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const override
Q_SIGNAL void	rowCountChanged (int rowCount)
void	init_loaded (sample_rate_t engine_sample_rate)
std::string	get_as_string (int limit) const
	Gets the list of actions as a string.
template<UndoableActionSubclass T>
void	push (T *action)
	Take ownership of the given action.
std::optional< UndoableActionPtrVariant >	pop ()
std::optional< UndoableActionPtrVariant >	pop_last ()
	Pops the last (first added) element and moves everything back.
auto	size () const
bool	is_empty () const
bool	empty () const
bool	is_full () const
std::optional< UndoableActionPtrVariant >	peek () const
void	clear ()
template<UndoableActionSubclass T>
bool	contains_action (const T &ua) const
	Checks if the undo stack contains the given action pointer.
void	get_plugins (std::vector< zrythm::plugins::Plugin * > &arr) const
	Returns the plugins referred to in the undo stack.

Data Fields
std::vector< UndoableActionPtrVariant >	actions_
	Actions on the stack.
size_t	max_size_ = 0
	Max size of the stack (if 0, unlimited).

Properties
int	rowCount

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

Detailed Description

Serializable stack for undoable actions.

This is used for both undo and redo.

Definition at line 18 of file undo_stack.h.

Member Enumeration Documentation

UndoableActionRoles

enum zrythm::gui::actions::UndoStack::UndoableActionRoles

Definition at line 33 of file undo_stack.h.

Member Function Documentation

clear()

void zrythm::gui::actions::UndoStack::clear ( )

inline

Definition at line 91 of file undo_stack.h.

empty()

bool zrythm::gui::actions::UndoStack::empty ( ) const

inline

Definition at line 79 of file undo_stack.h.

is_empty()

bool zrythm::gui::actions::UndoStack::is_empty ( ) const

inline

Definition at line 78 of file undo_stack.h.

is_full()

bool zrythm::gui::actions::UndoStack::is_full ( ) const

inline

Definition at line 80 of file undo_stack.h.

peek()

std::optional< UndoableActionPtrVariant > zrythm::gui::actions::UndoStack::peek

(

)

const

Note

The action is owned by the undo stack.

Returns

std::optional<UndoableActionPtrVariant>

pop()

std::optional< UndoableActionPtrVariant > zrythm::gui::actions::UndoStack::pop

(

)

Note

The caller takes ownership of the action.

Returns

std::optional<UndoableActionPtrVariant>

pop_last()

std::optional< UndoableActionPtrVariant > zrythm::gui::actions::UndoStack::pop_last

(

)

Pops the last (first added) element and moves everything back.

Note

The caller takes ownership of the action.

push()

template<UndoableActionSubclass T>

void zrythm::gui::actions::UndoStack::push

(

T *

action

)

Take ownership of the given action.

Template Parameters

T

Parameters

action

size()

auto zrythm::gui::actions::UndoStack::size ( ) const

inline

Definition at line 77 of file undo_stack.h.

Friends And Related Symbol Documentation

from_json

void from_json ( const nlohmann::json & j, UndoStack & stack )

friend

Definition at line 118 of file undo_stack.h.

to_json

void to_json ( nlohmann::json & j, const UndoStack & stack )

friend

Definition at line 113 of file undo_stack.h.

Field Documentation

actions_

std::vector<UndoableActionPtrVariant> zrythm::gui::actions::UndoStack::actions_

Actions on the stack.

Definition at line 127 of file undo_stack.h.

max_size_

size_t zrythm::gui::actions::UndoStack::max_size_ = 0

Max size of the stack (if 0, unlimited).

Definition at line 132 of file undo_stack.h.

Property Documentation

rowCount

int zrythm::gui::actions::UndoStack::rowCount

read

Definition at line 22 of file undo_stack.h.

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

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