1 /* ============================================================ 2 * Falkon - Qt web browser 3 * Copyright (C) 2018 Anmol Gautam <tarptaeya@gmail.com> 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 3 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * ============================================================ */ 18 #pragma once 19 20 #include <QWheelEvent> 21 #include <QObject> 22 23 /** 24 * @brief The class exposing WheelEvent to QML 25 */ 26 class QmlWheelEvent : public QObject 27 { 28 Q_OBJECT 29 /** 30 * @brief the distance that the wheel is rotated, in eighths of a degree 31 */ 32 Q_PROPERTY(QPoint angleDelta READ angleDelta CONSTANT) 33 /** 34 * @brief mouse state at the time of event 35 */ 36 Q_PROPERTY(int buttons READ buttons CONSTANT) 37 /** 38 * @brief global position of mouse cursor at the time of event 39 */ 40 Q_PROPERTY(QPoint globalPos READ globalPos CONSTANT) 41 /** 42 * @brief global position of mouse cursor at the time of event 43 */ 44 Q_PROPERTY(QPointF globalPosF READ globalPosF CONSTANT) 45 /** 46 * @brief global x position of mouse cursor at the time of event 47 */ 48 Q_PROPERTY(int globalX READ globalX CONSTANT) 49 /** 50 * @brief global y position of mouse cursor at the time of event 51 */ 52 Q_PROPERTY(int globalY READ globalY CONSTANT) 53 /** 54 * @brief checks if the delta values delivered with the event are inverted 55 */ 56 Q_PROPERTY(bool inverted READ inverted CONSTANT) 57 /** 58 * @brief scrolling phase of this wheel event 59 */ 60 Q_PROPERTY(int phase READ phase CONSTANT) 61 /** 62 * @brief scrolling distance in pixels on screen 63 */ 64 Q_PROPERTY(QPoint pixelDelta READ pixelDelta CONSTANT) 65 /** 66 * @brief position of mouse cursor at the time of event 67 */ 68 Q_PROPERTY(QPoint pos READ pos CONSTANT) 69 /** 70 * @brief position of mouse cursor at the time of event 71 */ 72 Q_PROPERTY(QPointF posF READ posF CONSTANT) 73 /** 74 * @brief source of the event 75 */ 76 Q_PROPERTY(int source READ source CONSTANT) 77 /** 78 * @brief x position of mouse cursor at the time of event 79 */ 80 Q_PROPERTY(int x READ x CONSTANT) 81 /** 82 * @brief y position of mouse cursor at the time of event 83 */ 84 Q_PROPERTY(int y READ y CONSTANT) 85 public: 86 explicit QmlWheelEvent(QWheelEvent *wheelEvent = nullptr, QObject *parent = nullptr); 87 QPoint angleDelta() const; 88 int buttons() const; 89 QPoint globalPos() const; 90 QPointF globalPosF() const; 91 int globalX() const; 92 int globalY() const; 93 bool inverted() const; 94 int phase() const; 95 QPoint pixelDelta() const; 96 QPoint pos() const; 97 QPointF posF() const; 98 int source() const; 99 int x() const; 100 int y() const; 101 102 void clear(); 103 private: 104 QWheelEvent *m_wheelEvent = nullptr; 105 }; 106