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Diffstat (limited to 'src/datavisualization/engine/bars3dcontroller_p.h')
-rw-r--r-- | src/datavisualization/engine/bars3dcontroller_p.h | 143 |
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 |