Differential D22034 Diff 62268 components/containmentlayoutmanager/resizehandle.h

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components/containmentlayoutmanager/resizehandle.h

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		1		/*
		2		* Copyright 2019 by Marco Martin <mart@kde.org>
		3		*
		4		* This program is free software; you can redistribute it and/or modify
		5		* it under the terms of the GNU Library General Public License as
		6		* published by the Free Software Foundation; either version 2, or
		7		* (at your option) any later version.
		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
		12		* GNU Library General Public License for more details
		13		*
		14		* You should have received a copy of the GNU Library General Public
		15		* License along with this program; if not, write to the
		16		* Free Software Foundation, Inc.,
		17		* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
		18		*
		19		*/
		20
		21		#pragma once
		22
		23		#include <QQuickItem>
		24
		25		#include "configoverlay.h"
		26
		27		class ResizeHandle: public QQuickItem
		28		{
		29		Q_OBJECT
		30		Q_PROPERTY(Corner resizeCorner MEMBER m_resizeCorner NOTIFY resizeCornerChanged)
		31		Q_PROPERTY(bool resizeBlocked READ resizeBlocked NOTIFY resizeBlockedChanged)
		32
		33		public:
		34		enum Corner {
		35		Left = 0,
		36		TopLeft,
		37		Top,
		38		TopRight,
		39		Right,
		40		BottomRight,
		41		Bottom,
		42		BottomLeft
		43		};
		44		Q_ENUMS(Corner)
		45
		46		ResizeHandle(QQuickItem *parent = nullptr);
		47		~ResizeHandle();
		48
		49		bool resizeBlocked() const;
		50
		51		protected:
		52		void mousePressEvent(QMouseEvent *event) override;
		53		void mouseReleaseEvent(QMouseEvent *event) override;
		54		void mouseMoveEvent(QMouseEvent *event) override;
		55
		56		Q_SIGNALS:
		57		void resizeCornerChanged();
		58		void resizeBlockedChanged();
		59
		60		private:
		61		void setConfigOverlay(ConfigOverlay *configOverlay);
		62
		63		inline bool resizeLeft() const;
		64		inline bool resizeTop() const;
		65		inline bool resizeRight() const;
		66		inline bool resizeBottom() const;
		67		void setResizeBlocked(bool width, bool height);
		68
		69		QPointF m_mouseDownPosition;
		70		QRectF m_mouseDownGeometry;
		71
		72		QPointer<ConfigOverlay> m_configOverlay;
		73		Corner m_resizeCorner = Left;
		74		bool m_resizeWidthBlocked = false;
		75		bool m_resizeHeightBlocked = false;
		76		};
		77