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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
//
// W A R N I N G
// -------------
//
// This file is not part of the QtGraphs API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef QQUICKGRAPHSSURFACE_P_H
#define QQUICKGRAPHSSURFACE_P_H
#include "qquickgraphsitem_p.h"
#include "qsurface3dseries.h"
#include <private/graphsglobal_p.h>
QT_BEGIN_NAMESPACE
class QValue3DAxis;
class QSurface3DSeries;
class QQuickGraphsSurface;
class SurfaceSelectionInstancing;
class Q3DSurface;
struct Surface3DChangeBitField
{
bool selectedPointChanged : 1;
bool rowsChanged : 1;
bool itemChanged : 1;
bool flipHorizontalGridChanged : 1;
bool surfaceTextureChanged : 1;
Surface3DChangeBitField()
: selectedPointChanged(true)
, rowsChanged(false)
, itemChanged(false)
, flipHorizontalGridChanged(true)
, surfaceTextureChanged(true)
{}
};
class QQuickGraphsSurface : public QQuickGraphsItem
{
Q_OBJECT
Q_PROPERTY(QValue3DAxis *axisX READ axisX WRITE setAxisX NOTIFY axisXChanged)
Q_PROPERTY(QValue3DAxis *axisY READ axisY WRITE setAxisY NOTIFY axisYChanged)
Q_PROPERTY(QValue3DAxis *axisZ READ axisZ WRITE setAxisZ NOTIFY axisZChanged)
Q_PROPERTY(QSurface3DSeries *selectedSeries READ selectedSeries NOTIFY selectedSeriesChanged)
Q_PROPERTY(QQmlListProperty<QSurface3DSeries> seriesList READ seriesList CONSTANT)
Q_PROPERTY(bool flipHorizontalGrid READ flipHorizontalGrid WRITE setFlipHorizontalGrid NOTIFY
flipHorizontalGridChanged)
Q_CLASSINFO("DefaultProperty", "seriesList")
QML_NAMED_ELEMENT(Surface3D)
public:
explicit QQuickGraphsSurface(QQuickItem *parent = 0);
~QQuickGraphsSurface() override;
struct ChangeItem
{
QSurface3DSeries *series;
QPoint point;
};
struct ChangeRow
{
QSurface3DSeries *series;
int row;
};
enum DataDimension {
BothAscending = 0,
XDescending = 1,
ZDescending = 2,
BothDescending = XDescending | ZDescending
};
Q_DECLARE_FLAGS(DataDimensions, DataDimension)
void setAxisX(QValue3DAxis *axis);
QValue3DAxis *axisX() const;
void setAxisY(QValue3DAxis *axis);
QValue3DAxis *axisY() const;
void setAxisZ(QValue3DAxis *axis);
QValue3DAxis *axisZ() const;
QQmlListProperty<QSurface3DSeries> seriesList();
static void appendSeriesFunc(QQmlListProperty<QSurface3DSeries> *list, QSurface3DSeries *series);
static qsizetype countSeriesFunc(QQmlListProperty<QSurface3DSeries> *list);
static QSurface3DSeries *atSeriesFunc(QQmlListProperty<QSurface3DSeries> *list, qsizetype index);
static void clearSeriesFunc(QQmlListProperty<QSurface3DSeries> *list);
Q_INVOKABLE void addSeries(QSurface3DSeries *series);
Q_INVOKABLE void removeSeries(QSurface3DSeries *series);
Q_INVOKABLE void clearSelection() override;
void setFlipHorizontalGrid(bool flip);
bool flipHorizontalGrid() const;
bool isFlatShadingSupported();
QList<QSurface3DSeries *> surfaceSeriesList();
void updateSurfaceTexture(QSurface3DSeries *series);
static QPoint invalidSelectionPosition();
void setSelectedPoint(const QPoint &position, QSurface3DSeries *series, bool enterSlice);
inline QSurface3DSeries *selectedSeries() const { return m_selectedSeries; }
void setSelectionMode(QAbstract3DGraph::SelectionFlags mode) override;
void setDataDimensions(DataDimensions dimension) { m_dataDimensions = dimension; }
DataDimensions dataDimensions() { return m_dataDimensions; }
bool hasChangedSeriesList() const { return !m_changedSeriesList.isEmpty(); }
bool isSeriesVisibilityDirty() const { return m_isSeriesVisibilityDirty; }
void setSeriesVisibilityDirty(bool dirty) { m_isSeriesVisibilityDirty = dirty; }
bool isDataDirty() const { return m_isDataDirty; }
void setDataDirty(bool dirty) { m_isDataDirty = dirty; }
bool isSeriesVisualsDirty() const { return m_isSeriesVisualsDirty; }
void setSeriesVisualsDirty(bool dirty) { m_isSeriesVisualsDirty = dirty; }
bool isIndexDirty() const { return m_isIndexDirty; }
void setIndexDirty(bool dirty) { m_isIndexDirty = dirty; }
QList<QAbstract3DSeries *> changedSeriesList() { return m_changedSeriesList; }
bool isSelectedPointChanged() const { return m_changeTracker.selectedPointChanged; }
void setSelectedPointChanged(bool changed) { m_changeTracker.selectedPointChanged = changed; }
bool isFlipHorizontalGridChanged() const { return m_changeTracker.flipHorizontalGridChanged; }
void setFlipHorizontalGridChanged(bool changed)
{
m_changeTracker.flipHorizontalGridChanged = changed;
}
bool isSurfaceTextureChanged() const { return m_changeTracker.surfaceTextureChanged; }
void setSurfaceTextureChanged(bool changed) { m_changeTracker.surfaceTextureChanged = changed; }
bool isChangedTexturesEmpty() const { return m_changedTextures.empty(); }
bool hasSeriesToChangeTexture(QSurface3DSeries *series) const
{
return m_changedTextures.contains(series);
}
void handleAxisAutoAdjustRangeChangedInOrientation(QAbstract3DAxis::AxisOrientation orientation,
bool autoAdjust) override;
void handleAxisRangeChangedBySender(QObject *sender) override;
void handleSeriesVisibilityChangedBySender(QObject *sender) override;
void adjustAxisRanges() override;
protected:
void componentComplete() override;
void synchData() override;
void updateGraph() override;
void calculateSceneScalingFactors() override;
void updateSliceGraph() override;
bool handleMousePressedEvent(QMouseEvent *event) override;
void updateSingleHighlightColor() override;
void updateLightStrength() override;
void handleThemeTypeChange() override;
bool handleTouchEvent(QTouchEvent *event) override;
bool doPicking(const QPointF &position) override;
void createSliceView() override;
void updateSliceItemLabel(QString label, const QVector3D &position) override;
void updateSelectionMode(QAbstract3DGraph::SelectionFlags mode) override;
public Q_SLOTS:
void handleAxisXChanged(QAbstract3DAxis *axis) override;
void handleAxisYChanged(QAbstract3DAxis *axis) override;
void handleAxisZChanged(QAbstract3DAxis *axis) override;
void handleFlatShadingEnabledChanged();
void handleWireframeColorChanged();
void handleFlipHorizontalGridChanged(bool flip);
void handleArrayReset();
void handleRowsAdded(int startIndex, int count);
void handleRowsChanged(int startIndex, int count);
void handleRowsRemoved(int startIndex, int count);
void handleRowsInserted(int startIndex, int count);
void handleItemChanged(int rowIndex, int columnIndex);
void handleFlatShadingSupportedChange(bool supported);
Q_SIGNALS:
void axisXChanged(QValue3DAxis *axis);
void axisYChanged(QValue3DAxis *axis);
void axisZChanged(QValue3DAxis *axis);
void selectedSeriesChanged(QSurface3DSeries *series);
void flipHorizontalGridChanged(bool flip);
private:
struct SurfaceVertex
{
QVector3D position;
QVector2D uv;
QPoint coord;
};
struct SurfaceModel
{
QQuick3DModel *model;
QQuick3DModel *gridModel;
QQuick3DModel *sliceModel;
QQuick3DModel *sliceGridModel;
QQuick3DModel *proxyModel;
QVector<SurfaceVertex> vertices;
QVector<quint32> indices;
QVector<quint32> gridIndices;
QSurface3DSeries *series;
QQuick3DTexture *texture;
QQuick3DTexture *heightTexture;
QQuick3DCustomMaterial *customMaterial;
int columnCount;
int rowCount;
SurfaceVertex selectedVertex;
bool picked = false;
bool polar;
QVector3D boundsMin;
QVector3D boundsMax;
QRect sampleSpace;
};
QVector3D getNormalizedVertex(const QSurfaceDataItem &data, bool polar, bool flipXZ);
QRect calculateSampleSpace(const QSurfaceDataArray &array);
QPointF mapCoordsToWorldSpace(SurfaceModel *model, const QPointF &coords);
QPoint mapCoordsToSampleSpace(SurfaceModel *model, const QPointF &coords);
void createIndices(SurfaceModel *model, int columnCount, int rowCount);
void createGridlineIndices(SurfaceModel *model, int x, int y, int endX, int endY);
void handleChangedSeries();
void updateModel(SurfaceModel *model);
void createProxyModel(SurfaceModel *parentModel);
void updateProxyModel(SurfaceModel *model);
void updateMaterial(SurfaceModel *model);
void updateSelectedPoint();
void addModel(QSurface3DSeries *series);
void addSliceModel(SurfaceModel *model);
QVector<SurfaceModel *> m_model;
QQuick3DModel *m_selectionPointer = nullptr;
SurfaceSelectionInstancing *m_instancing = nullptr;
QQuick3DModel *m_sliceSelectionPointer = nullptr;
SurfaceSelectionInstancing *m_sliceInstancing = nullptr;
bool m_isIndexDirty = true;
bool m_selectionDirty = false;
Surface3DChangeBitField m_changeTracker;
QPoint m_selectedPoint;
QSurface3DSeries *m_selectedSeries
= nullptr; // Points to the series for which the point is selected in
// single series selection cases.
bool m_flatShadingSupported = true;
QList<ChangeItem> m_changedItems;
QList<ChangeRow> m_changedRows;
bool m_flipHorizontalGrid = false;
QList<QSurface3DSeries *> m_changedTextures;
bool m_isSeriesVisibilityDirty = false;
DataDimensions m_dataDimensions;
friend class Q3DSurface;
};
QT_END_NAMESPACE
#endif // QQUICKGRAPHSSURFACE_P_H
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