Textured surface example

Documentation once the feature set is final and code looking good. Size
of image files adjusted when example area is locked.

Change-Id: I7ff249ec3452d412a64ce029b33f7607965ffb3a
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

1 files changed, 91 insertions, 0 deletions

diff --git a/examples/datavisualization/texturesurface/custominputhandler.h b/examples/datavisualization/texturesurface/custominputhandler.h
new file mode 100644
index 00000000..5307a6be
--- /dev/null
+++ b/examples/datavisualization/texturesurface/custominputhandler.h
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** 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 CUSTOMINPUTHANDLER_H
+#define CUSTOMINPUTHANDLER_H
+
+#include <QtDataVisualization/Q3DInputHandler>
+#include <QtDataVisualization/QAbstract3DGraph>
+#include <QtDataVisualization/QValue3DAxis>
+#include "highlightseries.h"
+
+using namespace QtDataVisualization;
+
+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) {
+        m_areaMinValue = min;
+        m_areaMaxValue = max;
+        m_axisXMinValue = m_areaMinValue;
+        m_axisXMaxValue = m_areaMaxValue;
+        m_axisZMinValue = m_areaMinValue;
+        m_axisZMaxValue = m_areaMaxValue;
+        m_axisXMinRange = (m_areaMaxValue - m_areaMinValue) * 0.49f;
+        m_axisZMinRange = (m_areaMaxValue - m_areaMinValue) * 0.49f;
+    }
+    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; }
+
+    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;
+    bool m_mousePressed;
+    InputState m_state;
+    QValue3DAxis *m_axisX;
+    QValue3DAxis *m_axisY;
+    QValue3DAxis *m_axisZ;
+    float m_speedModifier;
+    float m_aspectRatio;
+    float m_axisXMinValue;
+    float m_axisXMaxValue;
+    float m_axisXMinRange;
+    float m_axisZMinValue;
+    float m_axisZMaxValue;
+    float m_axisZMinRange;
+    float m_areaMinValue;
+    float m_areaMaxValue;
+};
+
+#endif