Kwave::UndoInsertTrack Class Reference

#include <UndoInsertTrack.h>

Inheritance diagram for Kwave::UndoInsertTrack:

Collaboration diagram for Kwave::UndoInsertTrack:

Public Member Functions
	UndoInsertTrack (Kwave::Signal &signal, unsigned int track)
virtual	~UndoInsertTrack () Q_DECL_OVERRIDE
virtual QString	description () Q_DECL_OVERRIDE
virtual qint64	undoSize () Q_DECL_OVERRIDE
virtual qint64	redoSize () Q_DECL_OVERRIDE
virtual bool	store (Kwave::SignalManager &manager) Q_DECL_OVERRIDE
virtual Kwave::UndoAction *	undo (Kwave::SignalManager &manager, bool with_redo) Q_DECL_OVERRIDE
Public Member Functions inherited from Kwave::UndoAction
virtual	~UndoAction ()
virtual bool	containsModification () const
virtual void	dump (const QString &indent)

Protected Attributes
Kwave::Signal &	m_signal
unsigned int	m_track

Detailed Description

Undo action for inserting a track.

Definition at line 36 of file UndoInsertTrack.h.

Constructor & Destructor Documentation

UndoInsertTrack()

Kwave::UndoInsertTrack::UndoInsertTrack	(	Kwave::Signal &	signal,
		unsigned int	track
	)

Constructor

Parameters

signal	reference to the signal
track	index of the inserted track.

Definition at line 30 of file UndoInsertTrack.cpp.

    :UndoAction(), m_signal(signal), m_track(track)
{
}

~UndoInsertTrack()

Kwave::UndoInsertTrack::~UndoInsertTrack ( )

virtual

Destructor

Definition at line 37 of file UndoInsertTrack.cpp.

{
}

Member Function Documentation

description()

QString Kwave::UndoInsertTrack::description ( )

virtual

Returns a verbose short description of the action.

Implements Kwave::UndoAction.

Definition at line 42 of file UndoInsertTrack.cpp.

{
    return i18n("Insert Track");
}

redoSize()

qint64 Kwave::UndoInsertTrack::redoSize ( )

virtual

See also

UndoAction::redoSize()

Implements Kwave::UndoAction.

Definition at line 54 of file UndoInsertTrack.cpp.

References Kwave::Signal::length(), and m_signal.

{
    return (m_signal.length() * sizeof(sample_t)) + sizeof(UndoDeleteTrack);
}

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store()

bool Kwave::UndoInsertTrack::store ( Kwave::SignalManager &  manager )

virtual

See also

UndoAction::store()

Implements Kwave::UndoAction.

Definition at line 60 of file UndoInsertTrack.cpp.

{
    // nothing to do, the track number has already
    // been stored in the constructor
    return true;
}

undo()

Kwave::UndoAction * Kwave::UndoInsertTrack::undo ( Kwave::SignalManager &  manager, bool  with_redo  )

virtual

See also

UndoAction::undo()

Implements Kwave::UndoAction.

Definition at line 68 of file UndoInsertTrack.cpp.

References Kwave::Signal::deleteTrack(), m_signal, m_track, and Kwave::UndoAction::store().

{
    Kwave::UndoAction *redo = Q_NULLPTR;

    // store data for redo
    if (with_redo) {
        redo = new(std::nothrow) Kwave::UndoDeleteTrack(m_signal, m_track);
        Q_ASSERT(redo);
        if (redo) redo->store(manager);
    }

    // remove the track from the signal
    m_signal.deleteTrack(m_track);

    return redo;
}

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undoSize()

qint64 Kwave::UndoInsertTrack::undoSize ( )

virtual

See also

UndoAction::undoSize()

Implements Kwave::UndoAction.

Definition at line 48 of file UndoInsertTrack.cpp.

{
    return sizeof(*this);
}

Member Data Documentation

m_signal

Kwave::Signal& Kwave::UndoInsertTrack::m_signal

protected

Reference to the signal

Definition at line 72 of file UndoInsertTrack.h.

Referenced by redoSize(), and undo().

m_track

unsigned int Kwave::UndoInsertTrack::m_track

protected

Index of the inserted track

Definition at line 75 of file UndoInsertTrack.h.

Referenced by undo().

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

• libkwave/undo/UndoInsertTrack.h
• libkwave/undo/UndoInsertTrack.cpp