File indexing completed on 2024-04-21 15:31:10
0001 /* 0002 * SPDX-FileCopyrightText: (C) 2019 Marco Martin <mart@kde.org> 0003 * SPDX-FileCopyrightText: (C) 2020 Carl Schwan <carl@carlschwan.eu> 0004 * 0005 * SPDX-License-Identifier: LGPL-2.1-or-later 0006 */ 0007 0008 #pragma once 0009 0010 #include <QQuickItem> 0011 0012 class ResizeRectangle; 0013 0014 class ResizeHandle : public QQuickItem 0015 { 0016 Q_OBJECT 0017 Q_PROPERTY(bool resizeBlocked READ resizeBlocked NOTIFY resizeBlockedChanged) 0018 Q_PROPERTY(QQuickItem *rectangle READ rectangle WRITE setRectangle NOTIFY rectangleChanged) 0019 0020 public: 0021 enum Corner { 0022 Left = 0, 0023 TopLeft, 0024 Top, 0025 TopRight, 0026 Right, 0027 BottomRight, 0028 Bottom, 0029 BottomLeft, 0030 }; 0031 Q_ENUM(Corner) 0032 0033 ResizeHandle(QQuickItem *parent = nullptr); 0034 ~ResizeHandle() = default; 0035 0036 QQuickItem *rectangle() const; 0037 void setRectangle(QQuickItem *rectangle); 0038 0039 bool resizeBlocked() const; 0040 0041 void setResizeCorner(Corner corner); 0042 0043 protected: 0044 void mousePressEvent(QMouseEvent *event) override; 0045 void mouseReleaseEvent(QMouseEvent *event) override; 0046 void mouseMoveEvent(QMouseEvent *event) override; 0047 0048 Q_SIGNALS: 0049 void resizeCornerChanged(); 0050 void resizeBlockedChanged(); 0051 void rectangleChanged(); 0052 0053 private: 0054 inline bool resizeLeft() const; 0055 inline bool resizeTop() const; 0056 inline bool resizeRight() const; 0057 inline bool resizeBottom() const; 0058 void setResizeBlocked(bool width, bool height); 0059 0060 QPointF m_mouseDownPosition; 0061 QRectF m_mouseDownGeometry; 0062 0063 Corner m_resizeCorner = Left; 0064 bool m_resizeWidthBlocked = false; 0065 bool m_resizeHeightBlocked = false; 0066 ResizeRectangle *m_rectangle = nullptr; 0067 };