##// END OF EJS Templates
Fix vanishing labels for first and last ticks....
Fix vanishing labels for first and last ticks. Extra space must be reserved by layout for the axes that have wide labels for first or last tick. Changed the logic how axis sizeHint is interpreted to make the previously irrelevant height or width (depending on orientation) of the sizeHint to indicate how far the widest label extends past the first/last tick, and adjust the grid size accordingly in layout. Reviewed-by: Mika Salmela

File last commit:

r2432:53927f716a3d
r2443:5b27b7b1d72a RC2_1.2.1
Show More
qchart.h
151 lines | 4.6 KiB | text/x-c | CLexer
/****************************************************************************
**
** 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 Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial 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
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCHART_H
#define QCHART_H
#include <QAbstractSeries>
#include <QLegend>
#include <QGraphicsWidget>
#include <QMargins>
class QGraphicsSceneResizeEvent;
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class QAbstractSeries;
class QAbstractAxis;
class QLegend;
class QChartPrivate;
class QTCOMMERCIALCHART_EXPORT QChart : public QGraphicsWidget
{
Q_OBJECT
Q_PROPERTY(QChart::ChartTheme theme READ theme WRITE setTheme)
Q_PROPERTY(QString title READ title WRITE setTitle)
Q_PROPERTY(bool backgroundVisible READ isBackgroundVisible WRITE setBackgroundVisible)
Q_PROPERTY(bool dropShadowEnabled READ isDropShadowEnabled WRITE setDropShadowEnabled)
Q_PROPERTY(QChart::AnimationOptions animationOptions READ animationOptions WRITE setAnimationOptions)
Q_PROPERTY(QMargins minimumMargins READ minimumMargins WRITE setMinimumMargins)
Q_PROPERTY(QMargins margins READ margins WRITE setMargins)
Q_ENUMS(ChartTheme)
Q_ENUMS(AnimationOption)
public:
enum ChartTheme {
ChartThemeLight = 0,
ChartThemeBlueCerulean,
ChartThemeDark,
ChartThemeBrownSand,
ChartThemeBlueNcs,
ChartThemeHighContrast,
ChartThemeBlueIcy
};
enum AnimationOption {
NoAnimation = 0x0,
GridAxisAnimations = 0x1,
SeriesAnimations = 0x2,
AllAnimations = 0x3
};
Q_DECLARE_FLAGS(AnimationOptions, AnimationOption)
public:
explicit QChart(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
~QChart();
void addSeries(QAbstractSeries *series);
void removeSeries(QAbstractSeries *series);
void removeAllSeries();
QList<QAbstractSeries *> series() const;
// *** deprecated ***
void setAxisX(QAbstractAxis *axis, QAbstractSeries *series = 0);
void setAxisY(QAbstractAxis *axis, QAbstractSeries *series = 0);
QAbstractAxis *axisX(QAbstractSeries *series = 0) const;
QAbstractAxis *axisY(QAbstractSeries *series = 0) const;
// ******************
void addAxis(QAbstractAxis *axis,Qt::Alignment alignment);
void removeAxis(QAbstractAxis *axis);
QList<QAbstractAxis*> axes(Qt::Orientations orientation = Qt::Horizontal|Qt::Vertical, QAbstractSeries *series = 0) const;
void createDefaultAxes();
void setTheme(QChart::ChartTheme theme);
QChart::ChartTheme theme() const;
void setTitle(const QString &title);
QString title() const;
void setTitleFont(const QFont &font);
QFont titleFont() const;
void setTitleBrush(const QBrush &brush);
QBrush titleBrush() const;
void setBackgroundBrush(const QBrush &brush);
QBrush backgroundBrush() const;
void setBackgroundPen(const QPen &pen);
QPen backgroundPen() const;
void setBackgroundVisible(bool visible = true);
bool isBackgroundVisible() const;
void setDropShadowEnabled(bool enabled = true);
bool isDropShadowEnabled() const;
void setAnimationOptions(AnimationOptions options);
AnimationOptions animationOptions() const;
void zoomIn();
void zoomOut();
void zoomIn(const QRectF &rect);
void zoom(qreal factor);
void scroll(qreal dx, qreal dy);
QLegend *legend() const;
void setMinimumMargins(const QMargins& margins);
QMargins minimumMargins() const;
void setMargins(const QMargins &margins);
QMargins margins() const;
QRectF plotArea() const;
QPointF mapToValue(const QPointF &position, QAbstractSeries *series = 0);
QPointF mapToPosition(const QPointF &value, QAbstractSeries *series = 0);
protected:
QScopedPointer<QChartPrivate> d_ptr;
friend class QLegend;
friend class DeclarativeChart;
friend class ChartDataSet;
friend class ChartPresenter;
friend class ChartThemeManager;
friend class QAbstractSeries;
Q_DISABLE_COPY(QChart)
};
QTCOMMERCIALCHART_END_NAMESPACE
Q_DECLARE_OPERATORS_FOR_FLAGS(QTCOMMERCIALCHART_NAMESPACE::QChart::AnimationOptions)
#endif // QCHART_H