areachartitem_p.h
144 lines
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| text/x-c
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CLexer
Miikka Heikkinen
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r2854 | /**************************************************************************** | ||
Jani Honkonen
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r794 | ** | ||
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Miikka Heikkinen
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r2854 | ** Copyright (C) 2016 The Qt Company Ltd. | ||
| ** Contact: https://www.qt.io/licensing/ | ||||
|
Jani Honkonen
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r794 | ** | ||
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Miikka Heikkinen
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r2854 | ** This file is part of the Qt Charts module of the Qt Toolkit. | ||
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Jani Honkonen
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r794 | ** | ||
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Miikka Heikkinen
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r2854 | ** $QT_BEGIN_LICENSE:GPL$ | ||
Titta Heikkala
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r2845 | ** Commercial License Usage | ||
| ** Licensees holding valid commercial Qt licenses may use this file in | ||||
| ** accordance with the commercial license agreement provided with the | ||||
| ** Software or, alternatively, in accordance with the terms contained in | ||||
| ** a written agreement between you and The Qt Company. For licensing terms | ||||
|
Miikka Heikkinen
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r2854 | ** and conditions see https://www.qt.io/terms-conditions. For further | ||
| ** information use the contact form at https://www.qt.io/contact-us. | ||||
| ** | ||||
| ** GNU General Public License Usage | ||||
| ** Alternatively, this file may be used under the terms of the GNU | ||||
| ** General Public License version 3 or (at your option) any later version | ||||
| ** approved by the KDE Free Qt Foundation. The licenses are as published by | ||||
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 | ||||
| ** included in the packaging of this file. Please review the following | ||||
| ** information to ensure the GNU General Public License requirements will | ||||
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. | ||||
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Jani Honkonen
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r794 | ** | ||
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Titta Heikkala
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r2845 | ** $QT_END_LICENSE$ | ||
| ** | ||||
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Miikka Heikkinen
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r2854 | ****************************************************************************/ | ||
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Jani Honkonen
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r794 | |||
unknown
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r1366 | // W A R N I N G | ||
| // ------------- | ||||
| // | ||||
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Titta Heikkala
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r2807 | // This file is not part of the Qt Chart API. It exists purely as an | ||
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unknown
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r1366 | // implementation detail. This header file may change from version to | ||
| // version without notice, or even be removed. | ||||
| // | ||||
| // We mean it. | ||||
Michal Klocek
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r421 | #ifndef AREACHARTITEM_H | ||
| #define AREACHARTITEM_H | ||||
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Titta Heikkala
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r2714 | #include <QtCharts/QChartGlobal> | ||
| #include <private/linechartitem_p.h> | ||||
| #include <QtCharts/QAreaSeries> | ||||
| #include <QtGui/QPen> | ||||
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Michal Klocek
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r421 | |||
Titta Heikkala
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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Michal Klocek
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r421 | |||
| class AreaChartItem; | ||||
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Michal Klocek
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r689 | class AreaChartItem : public ChartItem | ||
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Michal Klocek
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r421 | { | ||
| Q_OBJECT | ||||
| public: | ||||
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r2273 | AreaChartItem(QAreaSeries *areaSeries, QGraphicsItem* item = 0); | ||
Tero Ahola
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r761 | ~AreaChartItem(); | ||
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r421 | |||
| //from QGraphicsItem | ||||
| QRectF boundingRect() const; | ||||
| void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); | ||||
| QPainterPath shape() const; | ||||
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Jani Honkonen
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r2104 | LineChartItem *upperLineItem() const { return m_upper; } | ||
| LineChartItem *lowerLineItem() const { return m_lower; } | ||||
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Michal Klocek
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r560 | |||
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Michal Klocek
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r421 | void updatePath(); | ||
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r571 | |||
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Michal Klocek
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r2273 | void setPresenter(ChartPresenter *presenter); | ||
Miikka Heikkinen
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r2483 | QAreaSeries *series() const { return m_series; } | ||
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Michal Klocek
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r571 | protected: | ||
sauimone
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r743 | void mousePressEvent(QGraphicsSceneMouseEvent *event); | ||
Marek Rosa
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r2264 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event); | ||
| void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); | ||||
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Titta Heikkala
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r2739 | void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); | ||
| void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event); | ||||
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r571 | |||
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sauimone
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r775 | Q_SIGNALS: | ||
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r2712 | void clicked(const QPointF &point); | ||
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Marek Rosa
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r2264 | void hovered(const QPointF &point, bool state); | ||
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Titta Heikkala
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r2739 | void pressed(const QPointF &point); | ||
| void released(const QPointF &point); | ||||
| void doubleClicked(const QPointF &point); | ||||
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Michal Klocek
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r571 | |||
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sauimone
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r775 | public Q_SLOTS: | ||
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Michal Klocek
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r421 | void handleUpdated(); | ||
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r1698 | void handleDomainUpdated(); | ||
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r421 | |||
| private: | ||||
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r2104 | QAreaSeries *m_series; | ||
| LineChartItem *m_upper; | ||||
| LineChartItem *m_lower; | ||||
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r439 | QPainterPath m_path; | ||
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r421 | QRectF m_rect; | ||
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r563 | QPen m_linePen; | ||
| QPen m_pointPen; | ||||
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Michal Klocek
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r421 | QBrush m_brush; | ||
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r563 | bool m_pointsVisible; | ||
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Titta Heikkala
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r2689 | bool m_pointLabelsVisible; | ||
| QString m_pointLabelsFormat; | ||||
| QFont m_pointLabelsFont; | ||||
| QColor m_pointLabelsColor; | ||||
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Titta Heikkala
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r2815 | bool m_pointLabelsClipping; | ||
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Titta Heikkala
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r2689 | |||
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Titta Heikkala
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r2739 | QPointF m_lastMousePos; | ||
| bool m_mousePressed; | ||||
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Michal Klocek
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r421 | }; | ||
| class AreaBoundItem : public LineChartItem | ||||
| { | ||||
| public: | ||||
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r2273 | AreaBoundItem(AreaChartItem *area, QLineSeries *lineSeries,QGraphicsItem* item = 0) | ||
| : LineChartItem(lineSeries, item), m_item(area) | ||||
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Jani Honkonen
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r2097 | { | ||
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r2483 | // We do not actually want to draw anything from LineChartItem. | ||
| // Drawing is done in AreaChartItem only. | ||||
| setVisible(false); | ||||
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Michal Klocek
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r1241 | } | ||
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Tero Ahola
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r761 | ~AreaBoundItem() {} | ||
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Michal Klocek
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r421 | |||
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Michal Klocek
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r2273 | void updateGeometry() | ||
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Jani Honkonen
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r2104 | { | ||
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Miikka Heikkinen
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r2800 | // Make sure the series is in a chart before trying to update | ||
| if (m_item->series()->chart()) { | ||||
| // Turn off points drawing from component line chart item, as that | ||||
| // messes up the fill for area series. | ||||
| suppressPoints(); | ||||
| // Component lineseries are not necessarily themselves on the chart, | ||||
| // so get the chart type for them from area chart. | ||||
| forceChartType(m_item->series()->chart()->chartType()); | ||||
| LineChartItem::updateGeometry(); | ||||
| m_item->updatePath(); | ||||
| } | ||||
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Michal Klocek
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r421 | } | ||
| private: | ||||
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Jani Honkonen
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r2104 | AreaChartItem *m_item; | ||
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Michal Klocek
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r421 | }; | ||
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Titta Heikkala
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r2712 | QT_CHARTS_END_NAMESPACE | ||
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Michal Klocek
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r421 | |||
| #endif | ||||