bars3dcontroller_p.h

++ // Copyright (C) 2016 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 QtDataVisualization 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 Q3DBARSCONTROLLER_p_H

++ #define Q3DBARSCONTROLLER_p_H

++

++ #include <private/datavisualizationglobal_p.h>

++ #include <private/abstract3dcontroller_p.h>

++

++ QT_BEGIN_NAMESPACE

++

++ class Bars3DRenderer;

++ class QBar3DSeries;

++

++ struct Bars3DChangeBitField {

++     bool multiSeriesScalingChanged  : 1;

++     bool barSpecsChanged            : 1;

++     bool selectedBarChanged         : 1;

++     bool rowsChanged                : 1;

++     bool itemChanged                : 1;

++     bool floorLevelChanged          : 1;

++     bool barSeriesMarginChanged     : 1;

++

++     Bars3DChangeBitField() :

++         multiSeriesScalingChanged(true),

++         barSpecsChanged(true),

++         selectedBarChanged(true),

++         rowsChanged(false),

++         itemChanged(false),

++         floorLevelChanged(false),

++         barSeriesMarginChanged(false)

++     {

++     }

++ };

++

++ class Q_DATAVISUALIZATION_EXPORT Bars3DController : public Abstract3DController

++ {

++     Q_OBJECT

++

++ public:

++     struct ChangeItem {

++         QBar3DSeries *series;

++         QPoint point;

++     };

++     struct ChangeRow {

++         QBar3DSeries *series;

++         int row;

++     };

++

++ private:

++     Bars3DChangeBitField m_changeTracker;

++     QList<ChangeItem> m_changedItems;

++     QList<ChangeRow> m_changedRows;

++

++     // Interaction

++     QPoint m_selectedBar;     // Points to row & column in data window.

++     QBar3DSeries *m_selectedBarSeries; // Points to the series for which the bar is selected in

++                                        // single series selection cases.

++     QBar3DSeries *m_primarySeries; // Category axis labels are taken from the primary series

++

++     // Look'n'feel

++     bool m_isMultiSeriesUniform;

++     bool m_isBarSpecRelative;

++     GLfloat m_barThicknessRatio;

++     QSizeF m_barSpacing;

++     float m_floorLevel;

++     QSizeF m_barSeriesMargin;

++

++     // Rendering

++     Bars3DRenderer *m_renderer;

++

++ public:

++     explicit Bars3DController(QRect rect, Q3DScene *scene = 0);

++     ~Bars3DController();

++

++     void initializeOpenGL() override;

++     void synchDataToRenderer() override;

++

++     void setMultiSeriesScaling(bool uniform);

++     bool multiSeriesScaling() const;

++

++     // bar thickness, spacing between bars, and is spacing relative to thickness or absolute

++     // y -component sets the thickness/spacing of z -direction

++     // With relative 0.0f means side-to-side, 1.0f = one thickness in between

++     void setBarSpecs(GLfloat thicknessRatio = 1.0f,

++                      const QSizeF &spacing = QSizeF(1.0, 1.0),

++                      bool relative = true);

++     void setBarSeriesMargin(const QSizeF &margin);

++     QSizeF barSeriesMargin();

++

++     GLfloat barThickness();

++     QSizeF barSpacing();

++     bool isBarSpecRelative();

++     void setFloorLevel(float level);

++     float floorLevel() const;

++

++     inline QBar3DSeries *selectedSeries() const { return m_selectedBarSeries; }

++

++     void setSelectionMode(QAbstract3DGraph::SelectionFlags mode) override;

++     void setSelectedBar(const QPoint &position, QBar3DSeries *series, bool enterSlice);

++     void clearSelection() override;

++

++     void handleAxisAutoAdjustRangeChangedInOrientation(

++             QAbstract3DAxis::AxisOrientation orientation, bool autoAdjust) override;

++     void handleSeriesVisibilityChangedBySender(QObject *sender) override;

++     void handlePendingClick() override;

++

++     static QPoint invalidSelectionPosition();

++

++     void setAxisX(QAbstract3DAxis *axis) override;

++     void setAxisZ(QAbstract3DAxis *axis) override;

++

++     virtual void setPrimarySeries(QBar3DSeries *series);

++     virtual QBar3DSeries *primarySeries() const;

++     void addSeries(QAbstract3DSeries *series) override;

++     void removeSeries(QAbstract3DSeries *series) override;

++     void insertSeries(int index, QAbstract3DSeries *series) override;

++     virtual QList<QBar3DSeries *> barSeriesList();

++

++     void handleAxisRangeChangedBySender(QObject *sender) override;

++     void adjustAxisRanges() override;

++

++ public Q_SLOTS:

++     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 handleDataRowLabelsChanged();

++     void handleDataColumnLabelsChanged();

++     void handleRowColorsChanged();

++

++ Q_SIGNALS:

++     void primarySeriesChanged(QBar3DSeries *series);

++     void selectedSeriesChanged(QBar3DSeries *series);

++

++ protected:

++     QAbstract3DAxis *createDefaultAxis(QAbstract3DAxis::AxisOrientation orientation) override;

++

++ private:

++     void adjustSelectionPosition(QPoint &pos, const QBar3DSeries *series);

++

++     Q_DISABLE_COPY(Bars3DController)

++ };

++

++ QT_END_NAMESPACE

++

++ #endif

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