blob: 585dad84d2f8454670e9a801aa6fd0e38d28ec17 (
plain)
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
|
/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-11-17
* Description : Albums history manager.
*
* Copyright (C) 2004 by Joern Ahrens <joern.ahrens@kdemail.net>
*
* 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, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */
#ifndef ALBUMHISTORY_H
#define ALBUMHISTORY_H
/** @file albumhistory.h */
// TQt includes.
#include <tqobject.h>
#include <tqvaluelist.h>
#include <tqstringlist.h>
namespace Digikam
{
class Album;
class HistoryItem;
/**
* Manages the history of the last visited albums.
*
* The user is able to navigate through the albums, he has
* opened during a session.
*/
class AlbumHistory : public TQObject
{
TQ_OBJECT
public:
AlbumHistory();
~AlbumHistory();
void addAlbum(Album *album, TQWidget *widget = 0);
void deleteAlbum(Album *album);
void clearHistory();
void back(Album **album, TQWidget **widget, unsigned int steps=1);
void forward(Album **album, TQWidget **widget, unsigned int steps=1);
void getCurrentAlbum(Album **album, TQWidget **widget) const;
void getBackwardHistory(TQStringList &list) const;
void getForwardHistory(TQStringList &list) const;
bool isForwardEmpty() const;
bool isBackwardEmpty() const;
private:
HistoryItem* getCurrentAlbum() const;
void forward(unsigned int steps=1);
typedef TQValueList<HistoryItem*> AlbumStack;
AlbumStack *m_backwardStack;
AlbumStack *m_forwardStack;
bool m_moving;
};
} // namespace Digikam
#endif /* ALBUMHISTORY_H */
|
