1 2 // 3 // This source file is part of appleseed. 4 // Visit https://appleseedhq.net/ for additional information and resources. 5 // 6 // This software is released under the MIT license. 7 // 8 // Copyright (c) 2010-2013 Francois Beaune, Jupiter Jazz Limited 9 // Copyright (c) 2014-2018 Francois Beaune, The appleseedhq Organization 10 // 11 // Permission is hereby granted, free of charge, to any person obtaining a copy 12 // of this software and associated documentation files (the "Software"), to deal 13 // in the Software without restriction, including without limitation the rights 14 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 15 // copies of the Software, and to permit persons to whom the Software is 16 // furnished to do so, subject to the following conditions: 17 // 18 // The above copyright notice and this permission notice shall be included in 19 // all copies or substantial portions of the Software. 20 // 21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 22 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 24 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 25 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 26 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 27 // THE SOFTWARE. 28 // 29 30 #pragma once 31 32 // appleseed.foundation headers. 33 #include "foundation/math/vector.h" 34 35 // Qt headers. 36 #include <QObject> 37 38 // Forward declarations. 39 class QEvent; 40 class QLabel; 41 class QPoint; 42 class QWidget; 43 44 namespace appleseed { 45 namespace studio { 46 47 class MouseCoordinatesTracker 48 : public QObject 49 { 50 Q_OBJECT 51 52 public: 53 MouseCoordinatesTracker( 54 QWidget* widget, 55 QLabel* label); 56 57 ~MouseCoordinatesTracker() override; 58 59 foundation::Vector2d widget_to_ndc(const QPoint& point) const; 60 foundation::Vector2i widget_to_pixel(const QPoint& point) const; 61 62 private: 63 QWidget* m_widget; 64 QLabel* m_label; 65 const int m_content_width; 66 const int m_content_height; 67 68 bool eventFilter(QObject* object, QEvent* event) override; 69 70 void set_label_text(const QPoint& point) const; 71 72 }; 73 74 } // namespace studio 75 } // namespace appleseed 76