From fdf486f4eb908c4471830b9a8708ebe7333b7bbe Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomi=20Korpip=C3=A4=C3=A4?= Date: Thu, 3 Apr 2014 12:06:54 +0300 Subject: Axis label dragging support, part 2 Task-number: QTRD-2367 + Added emitting selection signals + Added an example about creating an input handler for axis label dragging - Snapshot for example docs to be taken Change-Id: I641f4feb9e31c32023727b1c7c695324923accc4 Reviewed-by: Miikka Heikkinen --- .../draggableaxes/axesinputhandler.h | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 examples/datavisualization/draggableaxes/axesinputhandler.h (limited to 'examples/datavisualization/draggableaxes/axesinputhandler.h') diff --git a/examples/datavisualization/draggableaxes/axesinputhandler.h b/examples/datavisualization/draggableaxes/axesinputhandler.h new file mode 100644 index 00000000..e912ba74 --- /dev/null +++ b/examples/datavisualization/draggableaxes/axesinputhandler.h @@ -0,0 +1,71 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef AXESINPUTHANDLER_H +#define AXESINPUTHANDLER_H + +#include +#include +#include + +using namespace QtDataVisualization; + +//! [0] +class AxesInputHandler : public Q3DInputHandler +//! [0] +{ + Q_OBJECT + + enum InputState { + StateNormal = 0, + StateDraggingX, + StateDraggingZ, + StateDraggingY + }; + +public: + explicit AxesInputHandler(QAbstract3DGraph *graph, QObject *parent = 0); + + inline void setAxes(QValue3DAxis *axisX, QValue3DAxis *axisZ, QValue3DAxis *axisY) { + m_axisX = axisX; + m_axisZ = axisZ; + m_axisY = axisY; + } + + //! [1] + inline void setDragSpeedModifier(float modifier) { m_speedModifier = modifier; } + //! [1] + + virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos); + +private: + void handleElementSelected(QAbstract3DGraph::ElementType type); + void handleAxisDragging(); + +private: + bool m_mousePressed; + InputState m_state; + QValue3DAxis *m_axisX; + QValue3DAxis *m_axisZ; + QValue3DAxis *m_axisY; + float m_speedModifier; +}; + +#endif -- cgit v1.2.3