1// Copyright (C) 2017 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "qquickmaterialtheme_p.h"
5#include "qquickmaterialstyle_p.h"
6
7#include <QtGui/qpa/qplatformdialoghelper.h>
8#include <QtGui/qfont.h>
9#include <QtGui/qfontdatabase.h>
10#include <QtQuickTemplates2/private/qquicktheme_p.h>
11#include <QtCore/qmutex.h>
12QT_BEGIN_NAMESPACE
13
14struct QQuickMaterialThemePrivate
15{
16 static inline void addSystemStyle(QPointer<QQuickMaterialStyle> style);
17 static inline void removeSystemStyle(QPointer<QQuickMaterialStyle> style);
18 static inline void updateSystemStyles();
19
20 static inline std::vector<QPointer<QQuickMaterialStyle>> systemStyles = {};
21 static inline QMutex mutex;
22};
23
24void QQuickMaterialThemePrivate::addSystemStyle(QPointer<QQuickMaterialStyle> style)
25{
26 QMutexLocker locker{&mutex};
27 auto it = std::find(first: systemStyles.begin(), last: systemStyles.end(), val: style);
28 if (it == systemStyles.end())
29 systemStyles.push_back(x: style);
30}
31
32void QQuickMaterialThemePrivate::removeSystemStyle(QPointer<QQuickMaterialStyle> style)
33{
34 QMutexLocker locker{&mutex};
35 auto it = std::find(first: systemStyles.begin(), last: systemStyles.end(), val: style);
36 if (it != systemStyles.end())
37 systemStyles.erase(position: it);
38}
39
40void QQuickMaterialThemePrivate::updateSystemStyles()
41{
42 QMutexLocker locker{&mutex};
43 for (auto it = systemStyles.begin(); it != systemStyles.end(); ) {
44 if (it->isNull()) {
45 it = systemStyles.erase(position: it);
46 } else {
47 (*it)->setTheme(QQuickMaterialStyle::System);
48 ++it;
49 }
50 }
51}
52
53void QQuickMaterialTheme::initialize(QQuickTheme *theme)
54{
55 QFont systemFont;
56 QFont buttonFont;
57 QFont toolTipFont;
58 QFont itemViewFont;
59 QFont listViewFont;
60 QFont menuItemFont;
61 QFont editorFont;
62
63 auto defaultFontFamily = QLatin1String("Roboto");
64 if (!QFontDatabase::hasFamily(family: defaultFontFamily)) {
65 defaultFontFamily = QLatin1String("Noto"); // fallback
66 if (!QFontDatabase::hasFamily(family: defaultFontFamily))
67 defaultFontFamily = {};
68 }
69
70 if (!defaultFontFamily.isEmpty()) {
71 const QStringList families{defaultFontFamily};
72 systemFont.setFamilies(families);
73 buttonFont.setFamilies(families);
74 toolTipFont.setFamilies(families);
75 itemViewFont.setFamilies(families);
76 listViewFont.setFamilies(families);
77 menuItemFont.setFamilies(families);
78 editorFont.setFamilies(families);
79 }
80
81 const bool dense = QQuickMaterialStyle::variant() == QQuickMaterialStyle::Dense;
82 systemFont.setPixelSize(dense ? 13 : 14);
83 theme->setFont(scope: QQuickTheme::System, font: systemFont);
84
85 // https://material.io/guidelines/components/buttons.html#buttons-style
86 buttonFont.setPixelSize(dense ? 13 : 14);
87 buttonFont.setWeight(QFont::Medium);
88 theme->setFont(scope: QQuickTheme::Button, font: buttonFont);
89 theme->setFont(scope: QQuickTheme::TabBar, font: buttonFont);
90 theme->setFont(scope: QQuickTheme::ToolBar, font: buttonFont);
91
92 // https://material.io/guidelines/components/tooltips.html
93 toolTipFont.setPixelSize(dense ? 10 : 14);
94 toolTipFont.setWeight(QFont::Medium);
95 theme->setFont(scope: QQuickTheme::ToolTip, font: toolTipFont);
96
97 itemViewFont.setPixelSize(dense ? 13 : 14);
98 itemViewFont.setWeight(QFont::Medium);
99 theme->setFont(scope: QQuickTheme::ItemView, font: itemViewFont);
100
101 // https://material.io/guidelines/components/lists.html#lists-specs
102 listViewFont.setPixelSize(dense ? 13 : 16);
103 theme->setFont(scope: QQuickTheme::ListView, font: listViewFont);
104
105 menuItemFont.setPixelSize(dense ? 13 : 16);
106 theme->setFont(scope: QQuickTheme::Menu, font: menuItemFont);
107 theme->setFont(scope: QQuickTheme::MenuBar, font: menuItemFont);
108 theme->setFont(scope: QQuickTheme::ComboBox, font: menuItemFont);
109
110 editorFont.setPixelSize(dense ? 13 : 16);
111 theme->setFont(scope: QQuickTheme::TextArea, font: editorFont);
112 theme->setFont(scope: QQuickTheme::TextField, font: editorFont);
113 theme->setFont(scope: QQuickTheme::SpinBox, font: editorFont);
114}
115
116void QQuickMaterialTheme::registerSystemStyle(QQuickMaterialStyle *style)
117{
118 QQuickMaterialThemePrivate::addSystemStyle(style: QPointer{style});
119}
120
121void QQuickMaterialTheme::unregisterSystemStyle(QQuickMaterialStyle *style)
122{
123 QQuickMaterialThemePrivate::removeSystemStyle(style: QPointer{style});
124}
125
126void QQuickMaterialTheme::updateTheme()
127{
128 QQuickMaterialThemePrivate::updateSystemStyles();
129}
130
131QT_END_NAMESPACE
132

source code of qtdeclarative/src/quickcontrols/material/qquickmaterialtheme.cpp