~ubuntu-branches/ubuntu/precise/kde4libs/precise-updates

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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
/* This file is part of the KDE libraries
    Copyright (C) Stephan Kulow <coolo@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef KFILEFILTERCOMBO_H
#define KFILEFILTERCOMBO_H

#include <kfile_export.h>

#include <QtCore/QStringList>

#include <kcombobox.h>

class KFILE_EXPORT KFileFilterCombo : public KComboBox
{
    Q_OBJECT

public:
    /**
     * Creates a new filter combo box.
     *
     * @param parent The parent widget.
     */
    KFileFilterCombo(QWidget *parent=0);

    /**
     * Destroys the filter combo box.
     */
    ~KFileFilterCombo();

    /**
     * Sets the @p filter string.
     */
    void setFilter(const QString& filter);

    /**
     * @returns the current filter, either something like "*.cpp *.h"
     * or the current mimetype, like "text/html", or a list of those, like
     " "text/html text/plain image/png", all separated with one space.
     */
    QString currentFilter() const;

    /**
     * Sets the current filter. Filter must match one of the filter items
     * passed before to this widget.
     */
    void setCurrentFilter( const QString& filter );

    /**
     * Sets a list of mimetypes.
     * If @p defaultType is set, it will be set as the current item.
     * Otherwise, a first item showing all the mimetypes will be created.
     */
    void setMimeFilter( const QStringList& types, const QString& defaultType );

    /**
     * @return true if the filter's first item is the list of all mimetypes
     */
    bool showsAllTypes() const;

    /**
     * This method allows you to set a default-filter, that is used when an
     * empty filter is set. Make sure you call this before calling
     * setFilter().
     *
     * By default, this is set to i18n("*|All Files")
     * @see defaultFilter
     */
    void setDefaultFilter( const QString& filter );

    /**
     * @return the default filter, used when an empty filter is set.
     * @see setDefaultFilter
     */
    QString defaultFilter() const;

    /**
     * @return all filters (this can be a list of patterns or a list of mimetypes)
     */
    QStringList filters() const;
    
    /**
     * Returns true if the filter has been set using setMimeFilter().
     * @since 4.6.1
     */
    bool isMimeFilter() const;

protected:
    virtual bool eventFilter( QObject*, QEvent* );

Q_SIGNALS:
    /**
     * This signal is emitted whenever the filter has been changed.
     */
    void filterChanged();

private:
    class Private;
    Private* const d;

    Q_PRIVATE_SLOT( d, void _k_slotFilterChanged() )
};

#endif