1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/***************************************************************************
UndoInsertTrack.cpp - Undo action for insertion of tracks
-------------------
begin : Sun Jun 24 2001
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas Eschenbacher <Thomas.Eschenbacher@gmx.de>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "config.h"
#include <KLocalizedString>
#include <new>
#include "libkwave/SignalManager.h"
#include "libkwave/undo/UndoDeleteTrack.h"
#include "libkwave/undo/UndoInsertTrack.h"
//***************************************************************************
Kwave::UndoInsertTrack::UndoInsertTrack(Kwave::Signal &signal,
unsigned int track)
:UndoAction(), m_signal(signal), m_track(track)
{
}
//***************************************************************************
Kwave::UndoInsertTrack::~UndoInsertTrack()
{
}
//***************************************************************************
QString Kwave::UndoInsertTrack::description()
{
return i18n("Insert Track");
}
//***************************************************************************
qint64 Kwave::UndoInsertTrack::undoSize()
{
return sizeof(*this);
}
//***************************************************************************
qint64 Kwave::UndoInsertTrack::redoSize()
{
return (m_signal.length() * sizeof(sample_t)) + sizeof(UndoDeleteTrack);
}
//***************************************************************************
bool Kwave::UndoInsertTrack::store(Kwave::SignalManager &)
{
// nothing to do, the track number has already
// been stored in the constructor
return true;
}
//***************************************************************************
Kwave::UndoAction *Kwave::UndoInsertTrack::undo(
Kwave::SignalManager &manager, bool with_redo)
{
Kwave::UndoAction *redo = 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;
}
//***************************************************************************
//***************************************************************************
|
