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Diffstat (limited to 'src/quickcontrols2/qquickstyleattached.cpp')
| -rw-r--r-- | src/quickcontrols2/qquickstyleattached.cpp | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/src/quickcontrols2/qquickstyleattached.cpp b/src/quickcontrols2/qquickstyleattached.cpp deleted file mode 100644 index b9a66169..00000000 --- a/src/quickcontrols2/qquickstyleattached.cpp +++ /dev/null @@ -1,269 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL3$ -** 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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPLv3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or later as published by the Free -** Software Foundation and appearing in the file LICENSE.GPL included in -** the packaging of this file. Please review the following information to -** ensure the GNU General Public License version 2.0 requirements will be -** met: http://www.gnu.org/licenses/gpl-2.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickstyleattached_p.h" -#include "qquickstyle_p.h" - -#include <QtCore/qfile.h> -#include <QtCore/qsettings.h> -#include <QtCore/qfileselector.h> -#include <QtGui/qcolor.h> -#include <QtGui/qpalette.h> -#include <QtGui/private/qguiapplication_p.h> -#include <QtGui/qpa/qplatformtheme.h> -#include <QtQuick/qquickwindow.h> -#include <QtQuick/private/qquickitem_p.h> -#include <QtQuickTemplates2/private/qquickpopup_p.h> - -QT_BEGIN_NAMESPACE - -static bool isDarkSystemTheme() -{ - if (const QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme()) { - if (const QPalette *systemPalette = theme->palette(QPlatformTheme::SystemPalette)) { - const QColor textColor = systemPalette->color(QPalette::WindowText); - return textColor.red() > 128 && textColor.blue() > 128 && textColor.green() > 128; - } - } - return false; -} - -Q_QUICKCONTROLS2_PRIVATE_EXPORT bool qt_is_dark_system_theme() -{ - static bool dark = isDarkSystemTheme(); - return dark; -} - -static QQuickStyleAttached *attachedStyle(const QMetaObject *type, QObject *object, bool create = false) -{ - if (!object) - return nullptr; - int idx = -1; - return qobject_cast<QQuickStyleAttached *>(qmlAttachedPropertiesObject(&idx, object, type, create)); -} - -static QQuickStyleAttached *findParentStyle(const QMetaObject *type, QObject *object) -{ - QQuickItem *item = qobject_cast<QQuickItem *>(object); - if (item) { - // lookup parent items and popups - QQuickItem *parent = item->parentItem(); - while (parent) { - QQuickStyleAttached *style = attachedStyle(type, parent); - if (style) - return style; - - QQuickPopup *popup = qobject_cast<QQuickPopup *>(parent->parent()); - if (popup) - return attachedStyle(type, popup); - - parent = parent->parentItem(); - } - - // fallback to item's window - QQuickStyleAttached *style = attachedStyle(type, item->window()); - if (style) - return style; - } else { - // lookup popup's window - QQuickPopup *popup = qobject_cast<QQuickPopup *>(object); - if (popup) - return attachedStyle(type, popup->popupItem()->window()); - } - - // lookup parent window - QQuickWindow *window = qobject_cast<QQuickWindow *>(object); - if (window) { - QQuickWindow *parentWindow = qobject_cast<QQuickWindow *>(window->parent()); - if (parentWindow) { - QQuickStyleAttached *style = attachedStyle(type, window); - if (style) - return style; - } - } - - // fallback to engine (global) - if (object) { - QQmlEngine *engine = qmlEngine(object); - if (engine) { - QByteArray name = QByteArray("_q_") + type->className(); - QQuickStyleAttached *style = engine->property(name).value<QQuickStyleAttached*>(); - if (!style) { - style = attachedStyle(type, engine, true); - engine->setProperty(name, QVariant::fromValue(style)); - } - return style; - } - } - - return nullptr; -} - -static QList<QQuickStyleAttached *> findChildStyles(const QMetaObject *type, QObject *object) -{ - QList<QQuickStyleAttached *> children; - - QQuickItem *item = qobject_cast<QQuickItem *>(object); - if (!item) { - QQuickWindow *window = qobject_cast<QQuickWindow *>(object); - if (window) { - item = window->contentItem(); - - const auto windowChildren = window->children(); - for (QObject *child : windowChildren) { - QQuickWindow *childWindow = qobject_cast<QQuickWindow *>(child); - if (childWindow) { - QQuickStyleAttached *style = attachedStyle(type, childWindow); - if (style) - children += style; - } - } - } - } - - if (item) { - const auto childItems = item->childItems(); - for (QQuickItem *child : childItems) { - QQuickStyleAttached *style = attachedStyle(type, child); - if (style) - children += style; - else - children += findChildStyles(type, child); - } - } - - return children; -} - -QQuickStyleAttached::QQuickStyleAttached(QObject *parent) : QObject(parent) -{ - QQuickItem *item = qobject_cast<QQuickItem *>(parent); - if (!item) { - QQuickPopup *popup = qobject_cast<QQuickPopup *>(parent); - if (popup) - item = popup->popupItem(); - } - - if (item) { - connect(item, &QQuickItem::windowChanged, this, &QQuickStyleAttached::itemWindowChanged); - QQuickItemPrivate::get(item)->addItemChangeListener(this, QQuickItemPrivate::Parent); - } -} - -QQuickStyleAttached::~QQuickStyleAttached() -{ - QQuickItem *item = qobject_cast<QQuickItem *>(parent()); - if (item) { - disconnect(item, &QQuickItem::windowChanged, this, &QQuickStyleAttached::itemWindowChanged); - QQuickItemPrivate::get(item)->removeItemChangeListener(this, QQuickItemPrivate::Parent); - } - - setParentStyle(nullptr); -} - -QSharedPointer<QSettings> QQuickStyleAttached::settings(const QString &group) -{ -#ifndef QT_NO_SETTINGS - const QString filePath = QQuickStylePrivate::configFilePath(); - if (QFile::exists(filePath)) { - QFileSelector selector; - QSettings *settings = new QSettings(selector.select(filePath), QSettings::IniFormat); - if (!group.isEmpty()) - settings->beginGroup(group); - return QSharedPointer<QSettings>(settings); - } -#endif // QT_NO_SETTINGS - return QSharedPointer<QSettings>(); -} - -QList<QQuickStyleAttached *> QQuickStyleAttached::childStyles() const -{ - return m_childStyles; -} - -QQuickStyleAttached *QQuickStyleAttached::parentStyle() const -{ - return m_parentStyle; -} - -void QQuickStyleAttached::setParentStyle(QQuickStyleAttached *style) -{ - if (m_parentStyle != style) { - QQuickStyleAttached *oldParent = m_parentStyle; - if (m_parentStyle) - m_parentStyle->m_childStyles.removeOne(this); - m_parentStyle = style; - if (style) - style->m_childStyles.append(this); - parentStyleChange(style, oldParent); - } -} - -void QQuickStyleAttached::init() -{ - QQuickStyleAttached *parentStyle = findParentStyle(metaObject(), parent()); - if (parentStyle) - setParentStyle(parentStyle); - - const QList<QQuickStyleAttached *> children = findChildStyles(metaObject(), parent()); - for (QQuickStyleAttached *child : children) - child->setParentStyle(this); -} - -void QQuickStyleAttached::parentStyleChange(QQuickStyleAttached *newParent, QQuickStyleAttached *oldParent) -{ - Q_UNUSED(newParent); - Q_UNUSED(oldParent); -} - -void QQuickStyleAttached::itemWindowChanged(QQuickWindow *window) -{ - QQuickStyleAttached *parentStyle = nullptr; - QQuickItem *item = qobject_cast<QQuickItem *>(sender()); - if (item) - parentStyle = findParentStyle(metaObject(), item); - if (!parentStyle) - parentStyle = attachedStyle(metaObject(), window); - setParentStyle(parentStyle); -} - -void QQuickStyleAttached::itemParentChanged(QQuickItem *item, QQuickItem *parent) -{ - Q_UNUSED(parent); - setParentStyle(findParentStyle(metaObject(), item)); -} - -QT_END_NAMESPACE |