Differential D24361 Diff 68042 kcms/style/previewitem.h

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kcms/style/previewitem.h

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		1		/*
		2		* Copyright © 2003-2007 Fredrik Höglund <fredrik@kde.org>
		3		* Copyright 2019 Kai Uwe Broulik <kde@broulik.de>
		4		*
		5		* This program is free software; you can redistribute it and/or
		6		* modify it under the terms of the GNU General Public
		7		* License version 2 as published by the Free Software Foundation.
		8		*
		9		* This program is distributed in the hope that it will be useful,
		10		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		11		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		12		* General Public License for more details.
		13		*
		14		* You should have received a copy of the GNU General Public License
		15		* along with this program; see the file COPYING. If not, write to
		16		* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
		17		* Boston, MA 02110-1301, USA.
		18		*/
		19
		20		#pragma once
		21
		22		#include <QPointer>
		23		#include <QQuickPaintedItem>
		24		#include <QScopedPointer>
		25
		26		#include "ui_stylepreview.h"
		27
		28		class QWidget;
		29		class QStyle;
		30
		31		class PreviewItem : public QQuickPaintedItem
		32		{
		33		Q_OBJECT
		34
		35		Q_PROPERTY(QString styleName READ styleName WRITE setStyleName NOTIFY styleNameChanged)
		36
		37		Q_PROPERTY(bool valid READ isValid NOTIFY validChanged)
		38
		39		public:
		40		explicit PreviewItem(QQuickItem *parent = nullptr);
		41		~PreviewItem() override;
		42
		43		QString styleName() const;
		44		void setStyleName(const QString &styleName);
		45		Q_SIGNAL void styleNameChanged();
		46
		47		bool isValid() const;
		48		Q_SIGNAL void validChanged();
		49
		50		Q_INVOKABLE void reload();
		51
		52		void componentComplete() override;
		53
		54		protected:
		55		bool eventFilter(QObject watched, QEvent event) override;
		56
		57		void paint(QPainter *painter) override;
		58
		59		void hoverMoveEvent(QHoverEvent *event) override;
		60		void hoverLeaveEvent(QHoverEvent *event) override;
		61
		62		void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
		63
		64		private:
		65		void sendHoverEvent(QHoverEvent *event);
		66		void dispatchEnterLeave(QWidget enter, QWidget leave, const QPointF &globalPosF);
		67
		68		QString m_styleName;
		69
		70		Ui::StylePreview m_ui;
		71
		72		QScopedPointer<QWidget> m_widget;
		73		QPointer<QWidget> m_lastWidgetUnderMouse;
		74
		75		QScopedPointer<QStyle> m_style;
		76		};