1 files changed, 143 insertions, 0 deletions
diff --git a/src/datavisualization/engine/bars3dcontroller_p.h b/src/datavisualization/engine/bars3dcontroller_p.h
new file mode 100644
index 00000000..69ead98a
--- /dev/null
+++ b/src/datavisualization/engine/bars3dcontroller_p.h
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 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
+**
+****************************************************************************/
+
+//
+//  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 "datavisualizationglobal_p.h"
+#include "abstract3dcontroller_p.h"
+
+//#define DISPLAY_RENDER_SPEED
+
+QT_DATAVISUALIZATION_BEGIN_NAMESPACE
+
+class Bars3DRenderer;
+class QBarDataProxy;
+
+struct Bars3DChangeBitField {
+    bool slicingActiveChanged     : 1;
+    bool sampleSpaceChanged       : 1;
+    bool barSpecsChanged          : 1;
+    bool selectedBarPosChanged    : 1;
+
+    Bars3DChangeBitField() :
+        slicingActiveChanged(true),
+        sampleSpaceChanged(true),
+        barSpecsChanged(true),
+        selectedBarPosChanged(true)
+    {
+    }
+};
+
+class QT_DATAVISUALIZATION_EXPORT Bars3DController : public Abstract3DController
+{
+    Q_OBJECT
+
+private:
+    Bars3DChangeBitField m_changeTracker;
+
+    // Data
+    int m_rowCount;
+    int m_columnCount;
+
+    // Interaction
+    QPoint m_selectedBarPos;     // Points to row & column in data window.
+
+    // Look'n'feel
+    bool m_isBarSpecRelative;
+    GLfloat m_barThicknessRatio;
+    QSizeF m_barSpacing;
+
+    // Rendering
+    Bars3DRenderer *m_renderer;
+
+public:
+    explicit Bars3DController(QRect rect);
+    ~Bars3DController();
+
+    void initializeOpenGL();
+    virtual void synchDataToRenderer();
+
+    int columnCount();
+    int rowCount();
+
+    // 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);
+    GLfloat barThickness();
+    QSizeF barSpacing();
+    bool isBarSpecRelative();
+
+    // bar type; bars (=cubes), pyramids, cones, cylinders, etc.
+    void setBarType(QDataVis::MeshStyle style, bool smooth = false);
+
+    // how many samples per row and column, and names for axes
+    void setDataWindow(int samplesRow, int samplesColumn);
+
+    // Change selection mode; single bar, bar and row, bar and column, or all
+    void setSelectionMode(QDataVis::SelectionMode mode);
+
+    void setSelectedBarPos(const QPoint &position);
+    QPoint selectedBarPos() const;
+
+    virtual void setActiveDataProxy(QAbstractDataProxy *proxy);
+
+    virtual void handleAxisAutoAdjustRangeChangedInOrientation(Q3DAbstractAxis::AxisOrientation orientation, bool autoAdjust);
+
+    static QPoint noSelectionPoint();
+
+public 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 handleSelectedBarPosChanged(const QPoint &position);
+
+signals:
+    void selectedBarPosChanged(QPoint position);
+
+protected:
+    virtual Q3DAbstractAxis *createDefaultAxis(Q3DAbstractAxis::AxisOrientation orientation);
+
+private:
+    void adjustValueAxisRange();
+
+    Q_DISABLE_COPY(Bars3DController)
+
+};
+
+
+QT_DATAVISUALIZATION_END_NAMESPACE
+
+#endif