File indexing completed on 2024-05-19 05:38:25
0001 /* 0002 SPDX-FileCopyrightText: 2003-2007 Fredrik Höglund <fredrik@kde.org> 0003 SPDX-FileCopyrightText: 2019 Kai Uwe Broulik <kde@broulik.de> 0004 0005 SPDX-License-Identifier: GPL-2.0-only 0006 */ 0007 0008 #pragma once 0009 0010 #include <QPointer> 0011 #include <QQuickPaintedItem> 0012 0013 #include "ui_stylepreview.h" 0014 0015 class QWidget; 0016 class QStyle; 0017 0018 class PreviewItem : public QQuickPaintedItem 0019 { 0020 Q_OBJECT 0021 0022 Q_PROPERTY(QString styleName READ styleName WRITE setStyleName NOTIFY styleNameChanged) 0023 0024 Q_PROPERTY(bool valid READ isValid NOTIFY validChanged) 0025 0026 public: 0027 explicit PreviewItem(QQuickItem *parent = nullptr); 0028 ~PreviewItem() override; 0029 0030 QString styleName() const; 0031 void setStyleName(const QString &styleName); 0032 Q_SIGNAL void styleNameChanged(); 0033 0034 bool isValid() const; 0035 Q_SIGNAL void validChanged(); 0036 0037 Q_INVOKABLE void reload(); 0038 0039 void componentComplete() override; 0040 0041 protected: 0042 bool eventFilter(QObject *watched, QEvent *event) override; 0043 0044 void paint(QPainter *painter) override; 0045 0046 void hoverEnterEvent(QHoverEvent *event) override; 0047 void hoverMoveEvent(QHoverEvent *event) override; 0048 void hoverLeaveEvent(QHoverEvent *event) override; 0049 void timerEvent(QTimerEvent *event) override; 0050 void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override; 0051 0052 private: 0053 void sendHoverEvent(QHoverEvent *event); 0054 void dispatchEnterLeave(QWidget *enter, QWidget *leave, const QPointF &globalPosF); 0055 void resizeWidget(const QSizeF &newSize); 0056 0057 QString m_styleName; 0058 0059 Ui::StylePreview m_ui; 0060 0061 std::unique_ptr<QWidget> m_widget; 0062 QPointer<QWidget> m_lastWidgetUnderMouse; 0063 int m_timerId = 0; 0064 bool m_containsMouse = false; 0065 0066 std::unique_ptr<QStyle> m_style; 0067 };