1/****************************************************************************
2**
3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: http://www.qt.io/licensing/
5**
6** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL3$
9** Commercial License Usage
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16**
17** GNU Lesser General Public License Usage
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22** ensure the GNU Lesser General Public License version 3 requirements
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25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
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30** ensure the GNU General Public License version 2.0 requirements will be
31** met: http://www.gnu.org/licenses/gpl-2.0.html.
32**
33** $QT_END_LICENSE$
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35****************************************************************************/
36
37#include "qquicktheme_p.h"
38#include "qquicktheme_p_p.h"
39
40#include <QtGui/qpa/qplatformtheme.h>
41#include <QtGui/private/qguiapplication_p.h>
42
43QT_BEGIN_NAMESPACE
44
45QScopedPointer<QQuickTheme> QQuickThemePrivate::instance;
46
47static void cleanup_instance()
48{
49 QQuickThemePrivate::instance.reset();
50}
51
52static void install_instance_cleanuper()
53{
54 qAddPostRoutine(cleanup_instance);
55}
56
57Q_COREAPP_STARTUP_FUNCTION(install_instance_cleanuper)
58
59static QPlatformTheme::Font platformFont(QQuickTheme::Scope scope)
60{
61 switch (scope) {
62 case QQuickTheme::Button: return QPlatformTheme::PushButtonFont;
63 case QQuickTheme::CheckBox: return QPlatformTheme::CheckBoxFont;
64 case QQuickTheme::ComboBox: return QPlatformTheme::ComboMenuItemFont;
65 case QQuickTheme::GroupBox: return QPlatformTheme::GroupBoxTitleFont;
66 case QQuickTheme::ItemView: return QPlatformTheme::ItemViewFont;
67 case QQuickTheme::Label: return QPlatformTheme::LabelFont;
68 case QQuickTheme::ListView: return QPlatformTheme::ListViewFont;
69 case QQuickTheme::Menu: return QPlatformTheme::MenuFont;
70 case QQuickTheme::MenuBar: return QPlatformTheme::MenuBarFont;
71 case QQuickTheme::RadioButton: return QPlatformTheme::RadioButtonFont;
72 case QQuickTheme::SpinBox: return QPlatformTheme::EditorFont;
73 case QQuickTheme::Switch: return QPlatformTheme::CheckBoxFont;
74 case QQuickTheme::TabBar: return QPlatformTheme::TabButtonFont;
75 case QQuickTheme::TextArea: return QPlatformTheme::EditorFont;
76 case QQuickTheme::TextField: return QPlatformTheme::EditorFont;
77 case QQuickTheme::ToolBar: return QPlatformTheme::ToolButtonFont;
78 case QQuickTheme::ToolTip: return QPlatformTheme::TipLabelFont;
79 case QQuickTheme::Tumbler: return QPlatformTheme::ItemViewFont;
80 default: return QPlatformTheme::SystemFont;
81 }
82}
83
84static QPlatformTheme::Palette platformPalette(QQuickTheme::Scope scope)
85{
86 switch (scope) {
87 case QQuickTheme::Button: return QPlatformTheme::ButtonPalette;
88 case QQuickTheme::CheckBox: return QPlatformTheme::CheckBoxPalette;
89 case QQuickTheme::ComboBox: return QPlatformTheme::ComboBoxPalette;
90 case QQuickTheme::GroupBox: return QPlatformTheme::GroupBoxPalette;
91 case QQuickTheme::ItemView: return QPlatformTheme::ItemViewPalette;
92 case QQuickTheme::Label: return QPlatformTheme::LabelPalette;
93 case QQuickTheme::ListView: return QPlatformTheme::ItemViewPalette;
94 case QQuickTheme::Menu: return QPlatformTheme::MenuPalette;
95 case QQuickTheme::MenuBar: return QPlatformTheme::MenuBarPalette;
96 case QQuickTheme::RadioButton: return QPlatformTheme::RadioButtonPalette;
97 case QQuickTheme::SpinBox: return QPlatformTheme::TextLineEditPalette;
98 case QQuickTheme::Switch: return QPlatformTheme::CheckBoxPalette;
99 case QQuickTheme::TabBar: return QPlatformTheme::TabBarPalette;
100 case QQuickTheme::TextArea: return QPlatformTheme::TextEditPalette;
101 case QQuickTheme::TextField: return QPlatformTheme::TextLineEditPalette;
102 case QQuickTheme::ToolBar: return QPlatformTheme::ToolButtonPalette;
103 case QQuickTheme::ToolTip: return QPlatformTheme::ToolTipPalette;
104 case QQuickTheme::Tumbler: return QPlatformTheme::ItemViewPalette;
105 default: return QPlatformTheme::SystemPalette;
106 }
107}
108
109QQuickTheme::QQuickTheme()
110 : d_ptr(new QQuickThemePrivate)
111{
112}
113
114QQuickTheme::~QQuickTheme()
115{
116}
117
118QQuickTheme *QQuickTheme::instance()
119{
120 return QQuickThemePrivate::instance.data();
121}
122
123QFont QQuickTheme::font(Scope scope)
124{
125 const QFont *font = nullptr;
126 if (QQuickTheme *theme = instance())
127 font = QQuickThemePrivate::get(theme)->fonts[scope].data();
128 else if (QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme())
129 font = theme->font(type: platformFont(scope));
130
131 if (font) {
132 QFont f = *font;
133 if (scope == System)
134 f.resolve(mask: 0);
135 return f;
136 }
137
138 if (scope != System)
139 return QQuickTheme::font(scope: System);
140
141 return QFont();
142}
143
144QPalette QQuickTheme::palette(Scope scope)
145{
146 const QPalette *palette = nullptr;
147 if (QQuickTheme *theme = instance())
148 palette = QQuickThemePrivate::get(theme)->palettes[scope].data();
149 else if (QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme())
150 palette = theme->palette(type: platformPalette(scope));
151
152 if (palette) {
153 QPalette f = *palette;
154 if (scope == System)
155 f.resolve(mask: 0);
156 return f;
157 }
158
159 if (scope != System)
160 return QQuickTheme::palette(scope: System);
161
162 return QPalette();
163}
164
165void QQuickTheme::setFont(Scope scope, const QFont &font)
166{
167 Q_D(QQuickTheme);
168 d->fonts[scope] = QSharedPointer<QFont>::create(arguments: d->defaultFont ? d->defaultFont->resolve(font) : font);
169 // See comment in QQuickControlPrivate::inheritFont
170 d->fonts[scope]->setFamilies(QStringList());
171}
172
173void QQuickTheme::setPalette(Scope scope, const QPalette &palette)
174{
175 Q_D(QQuickTheme);
176 d->palettes[scope] = QSharedPointer<QPalette>::create(arguments: d->defaultPalette ? d->defaultPalette->resolve(palette) : palette);
177}
178
179QT_END_NAMESPACE
180

source code of qtquickcontrols2/src/quicktemplates2/qquicktheme.cpp