1/****************************************************************************
2**
3** Copyright (C) 2020 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#include <QApplication>
52#include <QFileSystemModel>
53#include <QFileIconProvider>
54#include <QScreen>
55#include <QScroller>
56#include <QTreeView>
57#include <QCommandLineParser>
58#include <QCommandLineOption>
59
60int main(int argc, char *argv[])
61{
62 QApplication app(argc, argv);
63
64 QCoreApplication::setApplicationVersion(QT_VERSION_STR);
65 QCommandLineParser parser;
66 parser.setApplicationDescription("Qt Dir View Example");
67 parser.addHelpOption();
68 parser.addVersionOption();
69 QCommandLineOption dontUseCustomDirectoryIconsOption("c", "Set QFileSystemModel::DontUseCustomDirectoryIcons");
70 parser.addOption(dontUseCustomDirectoryIconsOption);
71 QCommandLineOption dontWatchOption("w", "Set QFileSystemModel::DontWatch");
72 parser.addOption(dontWatchOption);
73 parser.addPositionalArgument("directory", "The directory to start in.");
74 parser.process(app);
75 const QString rootPath = parser.positionalArguments().isEmpty()
76 ? QString() : parser.positionalArguments().first();
77
78 QFileSystemModel model;
79 model.setRootPath("");
80 if (parser.isSet(dontUseCustomDirectoryIconsOption))
81 model.setOption(QFileSystemModel::DontUseCustomDirectoryIcons);
82 if (parser.isSet(dontWatchOption))
83 model.setOption(QFileSystemModel::DontWatchForChanges);
84 QTreeView tree;
85 tree.setModel(&model);
86 if (!rootPath.isEmpty()) {
87 const QModelIndex rootIndex = model.index(QDir::cleanPath(rootPath));
88 if (rootIndex.isValid())
89 tree.setRootIndex(rootIndex);
90 }
91
92 // Demonstrating look and feel features
93 tree.setAnimated(false);
94 tree.setIndentation(20);
95 tree.setSortingEnabled(true);
96 const QSize availableSize = tree.screen()->availableGeometry().size();
97 tree.resize(availableSize / 2);
98 tree.setColumnWidth(0, tree.width() / 3);
99
100 // Make it flickable on touchscreens
101 QScroller::grabGesture(&tree, QScroller::TouchGesture);
102
103 tree.setWindowTitle(QObject::tr("Dir View"));
104 tree.show();
105
106 return app.exec();
107}
108