77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
// Copyright (C) 2022 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef MYSTYLE_H
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#define MYSTYLE_H
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#include <QColor>
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#include <QQmlEngine>
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#include <QQuickAttachedPropertyPropagator>
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#include "mystyle_export.h"
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class MYSTYLE_EXPORT MyStyle : public QQuickAttachedPropertyPropagator
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{
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Q_OBJECT
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// Provide a RESET function in order to allow an item to set MyStyle.theme to undefined
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// in order to use its parent's (or global) theme after one was explicitly set on it.
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Q_PROPERTY(Theme theme READ theme WRITE setTheme RESET resetTheme NOTIFY themeChanged FINAL)
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// As the values of these properties only depend on the theme, they can all use the theme
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// property's change signal.
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Q_PROPERTY(QColor windowColor READ windowColor NOTIFY themeChanged FINAL)
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Q_PROPERTY(QColor windowTextColor READ windowTextColor NOTIFY themeChanged FINAL)
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Q_PROPERTY(QColor buttonColor READ buttonColor NOTIFY themeChanged FINAL)
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Q_PROPERTY(QColor buttonTextColor READ buttonTextColor NOTIFY themeChanged FINAL)
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Q_PROPERTY(QColor toolBarColor READ toolBarColor NOTIFY themeChanged FINAL)
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Q_PROPERTY(QColor popupColor READ popupColor NOTIFY themeChanged FINAL)
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Q_PROPERTY(QColor popupBorderColor READ popupBorderColor NOTIFY themeChanged FINAL)
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Q_PROPERTY(QColor backgroundDimColor READ backgroundDimColor NOTIFY themeChanged FINAL)
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QML_ELEMENT
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QML_ATTACHED(MyStyle)
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QML_UNCREATABLE("")
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QML_ADDED_IN_VERSION(1, 0)
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public:
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enum Theme {
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Light,
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Dark
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};
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Q_ENUM(Theme)
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explicit MyStyle(QObject *parent = nullptr);
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static MyStyle *qmlAttachedProperties(QObject *object);
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Theme theme() const;
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void setTheme(Theme theme);
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void inheritTheme(Theme theme);
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void propagateTheme();
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void resetTheme();
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void themeChange();
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QColor windowColor() const;
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QColor windowTextColor() const;
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QColor buttonColor() const;
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QColor buttonTextColor() const;
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QColor toolBarColor() const;
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QColor popupColor() const;
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QColor popupBorderColor() const;
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QColor backgroundDimColor() const;
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Q_SIGNALS:
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void themeChanged();
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protected:
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void attachedParentChange(QQuickAttachedPropertyPropagator *newParent, QQuickAttachedPropertyPropagator *oldParent) override;
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private:
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// Whether a color value was explicitly set on the specific object that this attached style object represents.
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bool m_explicitTheme = false;
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// The actual values for this item, whether explicit, inherited or globally set.
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Theme m_theme = Light;
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};
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#endif // MYSTYLE_H
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