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Diffstat (limited to 'examples/datavisualization/graphgallery/custominputhandler.h')
-rw-r--r-- | examples/datavisualization/graphgallery/custominputhandler.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/examples/datavisualization/graphgallery/custominputhandler.h b/examples/datavisualization/graphgallery/custominputhandler.h new file mode 100644 index 00000000..a28b5851 --- /dev/null +++ b/examples/datavisualization/graphgallery/custominputhandler.h @@ -0,0 +1,76 @@ +// Copyright (C) 2023 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef CUSTOMINPUTHANDLER_H +#define CUSTOMINPUTHANDLER_H + +#include "highlightseries.h" + +#include <QtDataVisualization/q3dinputhandler.h> +#include <QtDataVisualization/qabstract3dgraph.h> +#include <QtDataVisualization/qvalue3daxis.h> + +class CustomInputHandler : public Q3DInputHandler +{ + Q_OBJECT + + enum InputState { + StateNormal = 0, + StateDraggingX, + StateDraggingZ, + StateDraggingY + }; + +public: + explicit CustomInputHandler(QAbstract3DGraph *graph, QObject *parent = 0); + + inline void setLimits(float min, float max, float minRange) { + m_areaMinValue = min; + m_areaMaxValue = max; + m_axisXMinValue = m_areaMinValue; + m_axisXMaxValue = m_areaMaxValue; + m_axisZMinValue = m_areaMinValue; + m_axisZMaxValue = m_areaMaxValue; + m_axisXMinRange = minRange; + m_axisZMinRange = minRange; + } + inline void setAxes(QValue3DAxis *axisX, QValue3DAxis *axisY, QValue3DAxis *axisZ) { + m_axisX = axisX; + m_axisY = axisY; + m_axisZ = axisZ; + } + inline void setAspectRatio(float ratio) { m_aspectRatio = ratio; } + inline void setHighlightSeries(HighlightSeries *series) { m_highlight = series; } + inline void setDragSpeedModifier(float modifier) { m_speedModifier = modifier; } + +protected: + virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void wheelEvent(QWheelEvent *event); + +private: + void handleElementSelected(QAbstract3DGraph::ElementType type); + void handleAxisDragging(); + void checkConstraints(); + +private: + HighlightSeries *m_highlight = nullptr; + bool m_mousePressed = false; + InputState m_state = StateNormal; + QValue3DAxis *m_axisX = nullptr; + QValue3DAxis *m_axisY = nullptr; + QValue3DAxis *m_axisZ = nullptr; + float m_speedModifier = 20.f; + float m_aspectRatio = 0.f; + float m_axisXMinValue = 0.f; + float m_axisXMaxValue = 0.f; + float m_axisXMinRange = 0.f; + float m_axisZMinValue = 0.f; + float m_axisZMaxValue = 0.f; + float m_axisZMinRange = 0.f; + float m_areaMinValue = 0.f; + float m_areaMaxValue = 0.f; +}; + +#endif |