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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/***************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2013 BlackBerry Limited. All rights reserved.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qquickstyleselector_p.h"
#include "qquickstyleselector_p_p.h"
#include "qquickstyle.h"
#include <QtCore/qdir.h>
#include <QtCore/qfile.h>
#include <QtCore/qfileinfo.h>
#include <QtCore/qsysinfo.h>
#include <QtCore/qlocale.h>
#include <QtCore/private/qfileselector_p.h>
#include <QtGui/private/qguiapplication_p.h>
QT_BEGIN_NAMESPACE
static bool isLocalScheme(const QString &scheme)
{
bool local = scheme == QLatin1String("qrc");
#ifdef Q_OS_ANDROID
local |= scheme == QLatin1String("assets");
#endif
return local;
}
static QStringList allSelectors(const QString &style = QString())
{
static const QStringList platformSelectors = QFileSelectorPrivate::platformSelectors();
QStringList selectors = platformSelectors;
selectors += QLocale().name();
if (!style.isEmpty())
selectors.prepend(style);
return selectors;
}
static QString selectionHelper(const QString &path, const QString &fileName, const QStringList &selectors)
{
/* selectionHelper does a depth-first search of possible selected files. Because there is strict
selector ordering in the API, we can stop checking as soon as we find the file in a directory
which does not contain any other valid selector directories.
*/
Q_ASSERT(path.isEmpty() || path.endsWith(QLatin1Char('/')));
for (const QString &s : selectors) {
QString prospectiveBase = path + s + QLatin1Char('/');
QStringList remainingSelectors = selectors;
remainingSelectors.removeAll(s);
if (!QDir(prospectiveBase).exists())
continue;
QString prospectiveFile = selectionHelper(prospectiveBase, fileName, remainingSelectors);
if (!prospectiveFile.isEmpty())
return prospectiveFile;
}
// If we reach here there were no successful files found at a lower level in this branch, so we
// should check this level as a potential result.
const QString result = path + fileName;
if (!QFileInfo::exists(result))
return QString();
return result;
}
QString QQuickStyleSelectorPrivate::select(const QString &filePath) const
{
QFileInfo fi(filePath);
// If file doesn't exist, don't select
if (!fi.exists())
return filePath;
const QString path = fi.path();
const QString ret = selectionHelper(path.isEmpty() ? QString() : path + QLatin1Char('/'),
fi.fileName(), allSelectors(style));
if (!ret.isEmpty())
return ret;
return filePath;
}
QQuickStyleSelector::QQuickStyleSelector() : d_ptr(new QQuickStyleSelectorPrivate)
{
Q_D(QQuickStyleSelector);
d->style = QQuickStyle::name();
}
QQuickStyleSelector::~QQuickStyleSelector()
{
}
QUrl QQuickStyleSelector::baseUrl() const
{
Q_D(const QQuickStyleSelector);
return d->baseUrl;
}
void QQuickStyleSelector::setBaseUrl(const QUrl &url)
{
Q_D(QQuickStyleSelector);
d->baseUrl = url;
}
QString QQuickStyleSelector::select(const QString &fileName) const
{
Q_D(const QQuickStyleSelector);
const QString overridePath = QQuickStyle::path();
if (!overridePath.isEmpty()) {
const QString stylePath = overridePath + d->style + QLatin1Char('/');
if (QFile::exists(stylePath + fileName)) {
// the style name is included to the path, so exclude it from the selectors.
// the rest of the selectors (os, locale) are still valid, though.
const QString selectedPath = selectionHelper(stylePath, fileName, allSelectors());
if (selectedPath.startsWith(QLatin1Char(':')))
return QLatin1String("qrc") + selectedPath;
return QUrl::fromLocalFile(QFileInfo(selectedPath).absoluteFilePath()).toString();
}
}
QString base = d->baseUrl.toString();
if (!base.isEmpty() && !base.endsWith(QLatin1Char('/')))
base += QLatin1Char('/');
QUrl url(base + fileName);
if (isLocalScheme(url.scheme())) {
QString equivalentPath = QLatin1Char(':') + url.path();
QString selectedPath = d->select(equivalentPath);
url.setPath(selectedPath.remove(0, 1));
} else if (url.isLocalFile()) {
url = QUrl::fromLocalFile(d->select(url.toLocalFile()));
}
return url.toString();
}
QT_END_NAMESPACE
|
