QAbstractAxis Class

flags QAbstractAxis::AxisTypes

This enum type specifies the type of the axis object.

The AxisTypes type is a typedef for QFlags<AxisType>. It stores an OR combination of AxisType values.

This property holds the alignment of the axis.

Can be Qt::AlignLeft, Qt::AlignRight, Qt::AlignBottom, or Qt::AlignTop.

Access functions:

• alignment() const

This property holds the color of the axis and tick marks.

Access functions:

• linePenColor() const

• void setLinePenColor( color)

Notifier signal:

• void colorChanged( color)

This property holds the color of the grid line.

Access functions:

• gridLineColor()

• void setGridLineColor(const &color)

Notifier signal:

• void gridLineColorChanged(const &color)

This property holds the pen used to draw the grid line.

Access functions:

• gridLinePen() const

• void setGridLinePen(const &pen)

Notifier signal:

• void gridLinePenChanged(const &pen)

This property holds the visibility of the grid lines.

Access functions:

• bool isGridLineVisible() const

• void setGridLineVisible(bool visible = true)

Notifier signal:

• void gridVisibleChanged(bool visible)

This property holds the angle of the axis labels in degrees.

Access functions:

• int labelsAngle() const

• void setLabelsAngle(int angle)

Notifier signal:

• void labelsAngleChanged(int angle)

This property holds the brush used to draw the labels.

Only the color of the brush is relevant.

Access functions:

• labelsBrush() const

• void setLabelsBrush(const &brush)

Notifier signal:

• void labelsBrushChanged(const &brush)

This property holds the color of the axis labels.

Access functions:

• labelsColor() const

• void setLabelsColor( color)

Notifier signal:

• void labelsColorChanged( color)

This property holds the font of the axis labels.

Access functions:

• labelsFont() const

• void setLabelsFont(const &font)

Notifier signal:

• void labelsFontChanged(const &font)

Returns true if at least one label on the axis is truncated.

Returned value will not be accurate before the axis is shown.

Access functions:

• bool labelsTruncated() const

Notifier signal:

• void labelsTruncatedChanged(bool labelsTruncated)

This property holds whether axis labels are visible.

Access functions:

• bool labelsVisible() const

• void setLabelsVisible(bool visible = true)

Notifier signal:

• void labelsVisibleChanged(bool visible)

This property holds the pen used to draw the line.

Access functions:

• linePen() const

• void setLinePen(const &pen)

Notifier signal:

• void linePenChanged(const &pen)

This property holds the visibility of the axis line.

Access functions:

• bool isLineVisible() const

• void setLineVisible(bool visible = true)

Notifier signal:

• void lineVisibleChanged(bool visible)

This property holds the color of the minor grid line.

Applies only to axes that support minor grid lines.

Access functions:

• minorGridLineColor()

• void setMinorGridLineColor(const &color)

Notifier signal:

• void minorGridLineColorChanged(const &color)

This property holds the pen used to draw the minor grid line.

Applies only to axes that support minor grid lines.

Access functions:

• minorGridLinePen() const

• void setMinorGridLinePen(const &pen)

Notifier signal:

• void minorGridLinePenChanged(const &pen)

This property holds the visibility of the minor grid lines.

Applies only to axes that support minor grid lines.

Access functions:

• bool isMinorGridLineVisible() const

• void setMinorGridLineVisible(bool visible = true)

Notifier signal:

• void minorGridVisibleChanged(bool visible)

This property holds the orientation of the axis.

Fixed to either Qt::Horizontal or Qt::Vertical when the axis is added to a chart.

Access functions:

• orientation() const

This property holds whether a reverse axis is used.

By default, the value is false.

The reverse axis is supported with a line, spline, and scatter series, as well as an area series with a cartesian chart. All axes of the same orientation attached to the same series must be reversed if one is reversed or the behavior is undefined.

Access functions:

• bool isReverse() const

• void setReverse(bool reverse = true)

Notifier signal:

• void reverseChanged(bool reverse)

This property holds the border (pen) color of the axis shades.

Access functions:

• shadesBorderColor() const

• void setShadesBorderColor( color)

Notifier signal:

• void shadesBorderColorChanged( color)

This property holds the brush used to draw the axis shades (the area between the grid lines).

Access functions:

• shadesBrush() const

• void setShadesBrush(const &brush)

Notifier signal:

• void shadesBrushChanged(const &brush)

This property holds the fill (brush) color of the axis shades.

Access functions:

• shadesColor() const

• void setShadesColor( color)

Notifier signal:

• void shadesColorChanged( color)

This property holds the pen used to draw the axis shades (the area between the grid lines).

Access functions:

• shadesPen() const

• void setShadesPen(const &pen)

Notifier signal:

• void shadesPenChanged(const &pen)

This property holds the visibility of the axis shades.

Access functions:

• bool shadesVisible() const

• void setShadesVisible(bool visible = true)

Notifier signal:

• void shadesVisibleChanged(bool visible)

This property holds the brush used to draw the title text.

Only the color of the brush is relevant.

Access functions:

• titleBrush() const

• void setTitleBrush(const &brush)

Notifier signal:

• void titleBrushChanged(const &brush)

This property holds the font of the title of the axis.

Access functions:

• titleFont() const

• void setTitleFont(const &font)

Notifier signal:

• void titleFontChanged(const &font)

This property holds the title of the axis.

Empty by default. Axis titles support HTML formatting.

Access functions:

• titleText() const

• void setTitleText(const &title)

Notifier signal:

• void titleTextChanged(const &text)

This property holds the visibility of the axis title.

By default, the value is true.

Access functions:

• bool isTitleVisible() const

• void setTitleVisible(bool visible = true)

Notifier signal:

• void titleVisibleChanged(bool visible)

This property holds the truncation state of labels.

Indicates whether labels should be truncated if there is no enough space for full text. It is equal to true by default.

Access functions:

• bool truncateLabels() const

• void setTruncateLabels(bool truncateLabels = true)

Notifier signal:

• void truncateLabelsChanged(bool truncateLabels)

This property holds the visibility of the axis.

Access functions:

• bool isVisible() const

• void setVisible(bool visible = true)

Notifier signal:

• void visibleChanged(bool visible)

Destructs the axis object. When the axis is added to a chart, the chart object takes ownership.

This signal is emitted when the color of the axis changes to color.

This signal is emitted when the color of the pen used to draw the grid line changes to color.

Returns the pen used to draw the grid.

See Also▲

This signal is emitted when the pen used to draw the grid line changes to pen.

This signal is emitted when the visibility of the grid lines of the axis changes to visible.

Makes the axis, shades, labels, and grid lines invisible.

This signal is emitted when the angle of the axis labels changes to angle.

Returns the brush used to draw labels.

See Also▲

This signal is emitted when the brush used to draw the axis labels changes to brush.

This signal is emitted when the color of the axis labels changes to color.

Returns true if axis labels are editable.

This function was introduced in Qt 5.13.

See Also▲

This signal is emitted when the editable state of the label changes.

This function was introduced in Qt 5.13.

Returns the font used to draw labels.

See Also▲

This signal is emitted when the font of the axis labels changes to font.

This signal is emitted in two cases; when the axis changes from having one or more truncated labels to having no truncated labels, and when the axis changes from having no truncated labels to having one or more truncated labels. Current state is identified by labelsTruncated.

This function was introduced in Qt 6.2.

This signal is emitted when the visibility of the labels of the axis changes to visible.

Returns the pen used to draw the axis line and tick marks.

See Also▲

This signal is emitted when the pen used to draw the line of the axis changes to pen.

This signal is emitted when the visibility of the axis line changes to visible.

This signal is emitted when the color of the pen used to draw the minor grid line changes to color.

This signal is emitted when the pen used to draw the minor grid line changes to pen.

This signal is emitted when the visibility of the minor grid lines of the axis changes to visible.

Returns the orientation of the axis (vertical or horizontal).

Sets the pen used to draw the grid lines to pen.

See Also▲

Sets the brush used to draw labels to brush.

See Also▲

Sets axis labels editability to editable.

When the labels are editable the user will be able to change the range of the axis conveniently by editing any of the labels. This feature is only supported for the QValueAxis and the QDateTimeAxis.

By default, labels are not editable.

This function was introduced in Qt 5.13.

See Also▲

Sets the font used to draw labels to font.

See Also▲

Sets the pen used to draw the axis line and tick marks to pen.

See Also▲

Determines whether the axis line and tick marks are visible.

See Also▲

Sets the maximum value shown on the axis. Depending on the actual axis type, the max parameter is converted to the appropriate type of value. If the conversion is impossible, the function call does nothing.

Sets the minimum value shown on the axis. Depending on the actual axis type, the min parameter is converted to the appropriate type of value. If the conversion is impossible, the function call does nothing.

Sets the range shown on the axis. Depending on the actual axis type, the min and max parameters are converted to appropriate types of values. If the conversion is impossible, the function call does nothing.

Sets the brush used to draw shades to brush.

See Also▲

Sets the pen used to draw shades to pen.

See Also▲

Sets the brush used to draw titles to brush.

See Also▲

Sets the font used to draw titles to font.

See Also▲

Sets the visibility of the axis, shades, labels, and grid lines to visible.

See Also▲

This signal is emitted when the border color of the axis shades changes to color.

Returns the brush used to draw shades.

See Also▲

This signal is emitted when the brush used to draw the axis shades changes to brush.

This signal is emitted when the color of the axis shades changes to color.

Returns the pen used to draw shades.

See Also▲

This signal is emitted when the pen used to draw the axis shades changes to pen.

This signal is emitted when the visibility of the axis shades changes to visible.

Makes the axis, shades, labels, and grid lines visible.

Returns the brush used to draw titles.

See Also▲

This signal is emitted when the brush used to draw the axis title changes to brush.

Returns the font used to draw titles.

See Also▲

This signal is emitted when the font of the axis title changes to font.

This signal is emitted when the text of the axis title changes to text.

This signal is emitted when the visibility of the title text of the axis changes to visible.

This signal is emitted when the truncation of the labels changes to truncateLabels.

This function was introduced in Qt 6.2.

Returns the type of the axis.

This signal is emitted when the visibility of the axis changes to visible.