mirror of https://github.com/qt/qtgraphs.git
109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
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// Copyright (C) 2023 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#ifndef AXISRENDERER_H
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#define AXISRENDERER_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the QtGraphs API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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#include <QQuickItem>
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#include <QRectF>
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#include <QList>
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#include <QList>
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#include <QtQuick/private/qquicktext_p.h>
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#include <private/axisgrid_p.h>
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#include <private/axisticker_p.h>
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#include <private/axisline_p.h>
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QT_BEGIN_NAMESPACE
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class QAbstractAxis;
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class QGraphsView;
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class QBarCategoryAxis;
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class QValueAxis;
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class GraphTheme;
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class AxisRenderer : public QQuickItem
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{
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Q_OBJECT
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QML_ELEMENT
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public:
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AxisRenderer(QQuickItem *parent = nullptr);
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void handlePolish();
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void updateAxis();
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void updateAxisTickers();
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void updateAxisTickersShadow();
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void updateAxisGrid();
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void updateAxisGridShadow();
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void updateBarXAxisLabels(QBarCategoryAxis *axis, const QRectF &rect);
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void updateValueYAxisLabels(QValueAxis *axis, const QRectF &rect);
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Q_SIGNALS:
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private:
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friend class QGraphsView;
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friend class BarsRenderer;
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friend class LinesRenderer;
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friend class PointRenderer;
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QGraphsView *m_graph = nullptr;
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GraphTheme *theme();
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QAbstractAxis *m_axisVertical = nullptr;
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QAbstractAxis *m_axisHorizontal = nullptr;
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QList<QQuickText *> m_xAxisTextItems;
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QList<QQuickText *> m_yAxisTextItems;
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AxisGrid *m_axisGrid = nullptr;
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AxisTicker *m_axisTickerVertical = nullptr;
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AxisTicker *m_axisTickerHorizontal = nullptr;
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AxisLine *m_axisLineVertical = nullptr;
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AxisLine *m_axisLineHorizontal = nullptr;
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// Shadow
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AxisGrid *m_axisGridShadow = nullptr;
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AxisTicker *m_axisTickerVerticalShadow = nullptr;
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AxisTicker *m_axisTickerHorizontalShadow = nullptr;
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AxisLine *m_axisLineVerticalShadow = nullptr;
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AxisLine *m_axisLineHorizontalShadow = nullptr;
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// Min value
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double m_axisVerticalMaxValue = 20;
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// Max value
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double m_axisVerticalMinValue = 0;
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// Values range, so m_axisVerticalMaxValue - m_axisVerticalMinValue
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double m_axisVerticalValueRange = 0;
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// px between major ticks
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double m_axisHorizontalStepPx = 0;
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// Ticks movement, between -m_axisHorizontalStepPx .. m_axisHorizontalStepPx.
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double m_axisYMovement = 0;
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double m_axisHorizontalMaxValue = 6;
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double m_axisHorizontalMinValue = 0;
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double m_axisHorizontalValueRange;
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double m_axisVerticalMinorTickScale = 0.5;
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double m_axisHorizontalMinorTickScale = 0.5;
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bool m_gridHorizontalMajorTicksVisible = true;
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bool m_gridVerticalMajorTicksVisible = true;
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bool m_gridHorizontalMinorTicksVisible = false;
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bool m_gridVerticalMinorTicksVisible = false;
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// Sizes required of axis labels
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// TODO: Should these come from QAbstactAxis?
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qreal m_axisWidth = 40;
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qreal m_axisHeight = 20;
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qreal m_axisTickersWidth = 15;
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qreal m_axisTickersHeight = 15;
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};
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QT_END_NAMESPACE
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#endif // AXISRENDERER_H
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