qquickmaterialtheme.cpp

Enable keyboard shortcuts

// Copyright (C) 2017 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#include "qquickmaterialtheme_p.h"

#include "qquickmaterialstyle_p.h"

#include <QtGui/qpa/qplatformdialoghelper.h>

#include <QtGui/qfont.h>

#include <QtGui/qfontdatabase.h>

#include <QtQuickTemplates2/private/qquicktheme_p.h>

#include <QtCore/qmutex.h>

QT_BEGIN_NAMESPACE

struct QQuickMaterialThemePrivate

    static inline void addSystemStyle(QPointer<QQuickMaterialStyle> style);

    static inline void removeSystemStyle(QPointer<QQuickMaterialStyle> style);

    static inline void updateSystemStyles();

    static inline std::vector<QPointer<QQuickMaterialStyle>> systemStyles = {};

    static inline QMutex mutex;

};

void QQuickMaterialThemePrivate::addSystemStyle(QPointer<QQuickMaterialStyle> style)

    QMutexLocker locker{&mutex};

    auto it = std::find(systemStyles.begin(), systemStyles.end(), style);

    if (it == systemStyles.end())

        systemStyles.push_back(style);

void QQuickMaterialThemePrivate::removeSystemStyle(QPointer<QQuickMaterialStyle> style)

    QMutexLocker locker{&mutex};

    auto it = std::find(systemStyles.begin(), systemStyles.end(), style);

    if (it != systemStyles.end())

        systemStyles.erase(it);

void QQuickMaterialThemePrivate::updateSystemStyles()

    QMutexLocker locker{&mutex};

    for (auto it = systemStyles.begin(); it != systemStyles.end(); ) {

        if (it->isNull()) {

            it = systemStyles.erase(it);

        } else {

            (*it)->setTheme(QQuickMaterialStyle::System);

            ++it;

void QQuickMaterialTheme::initialize(QQuickTheme *theme)

    QFont systemFont;

    QFont buttonFont;

    QFont toolTipFont;

    QFont itemViewFont;

    QFont listViewFont;

    QFont menuItemFont;

    QFont editorFont;

    auto defaultFontFamily = QLatin1String("Roboto");

    if (!QFontDatabase::hasFamily(defaultFontFamily)) {

        defaultFontFamily = QLatin1String("Noto"); // fallback

        if (!QFontDatabase::hasFamily(defaultFontFamily))

            defaultFontFamily = {};

    if (!defaultFontFamily.isEmpty()) {

        const QStringList families{defaultFontFamily};

        systemFont.setFamilies(families);

        buttonFont.setFamilies(families);

        toolTipFont.setFamilies(families);

        itemViewFont.setFamilies(families);

        listViewFont.setFamilies(families);

        menuItemFont.setFamilies(families);

        editorFont.setFamilies(families);

    const bool dense = QQuickMaterialStyle::variant() == QQuickMaterialStyle::Dense;

    systemFont.setPixelSize(dense ? 13 : 14);

    theme->setFont(QQuickTheme::System, systemFont);

    // https://material.io/guidelines/components/buttons.html#buttons-style

    buttonFont.setPixelSize(dense ? 13 : 14);

    buttonFont.setWeight(QFont::Medium);

    theme->setFont(QQuickTheme::Button, buttonFont);

    theme->setFont(QQuickTheme::TabBar, buttonFont);

    theme->setFont(QQuickTheme::ToolBar, buttonFont);

    // https://material.io/guidelines/components/tooltips.html

    toolTipFont.setPixelSize(dense ? 10 : 14);

    toolTipFont.setWeight(QFont::Medium);

    theme->setFont(QQuickTheme::ToolTip, toolTipFont);

    itemViewFont.setPixelSize(dense ? 13 : 14);

    itemViewFont.setWeight(QFont::Medium);

    theme->setFont(QQuickTheme::ItemView, itemViewFont);

    // https://material.io/guidelines/components/lists.html#lists-specs

    listViewFont.setPixelSize(dense ? 13 : 16);

    theme->setFont(QQuickTheme::ListView, listViewFont);

    menuItemFont.setPixelSize(dense ? 13 : 16);

    theme->setFont(QQuickTheme::Menu, menuItemFont);

    theme->setFont(QQuickTheme::MenuBar, menuItemFont);

    theme->setFont(QQuickTheme::ComboBox, menuItemFont);

    editorFont.setPixelSize(dense ? 13 : 16);

    theme->setFont(QQuickTheme::TextArea, editorFont);

    theme->setFont(QQuickTheme::TextField, editorFont);

    theme->setFont(QQuickTheme::SpinBox, editorFont);

void QQuickMaterialTheme::registerSystemStyle(QQuickMaterialStyle *style)

    QQuickMaterialThemePrivate::addSystemStyle(QPointer{style});

void QQuickMaterialTheme::unregisterSystemStyle(QQuickMaterialStyle *style)

    QQuickMaterialThemePrivate::removeSystemStyle(QPointer{style});

void QQuickMaterialTheme::updateTheme()

    QQuickMaterialThemePrivate::updateSystemStyles();

QT_END_NAMESPACE