QwtPlotLayoutEngine::LayoutData::LegendData Struct Reference

Data for legend layout calculation. More...

#include <qwt_plot_layout_engine.h>

Public Member Functions
void	init (const QwtAbstractLegend *legend)
	Initialize legend data from a QwtAbstractLegend.
QSize	legendHint (const QwtAbstractLegend *legend, const QRectF &rect) const
	Calculate optimal legend size for given rectangle.

Public Attributes
int	frameWidth
int	hScrollExtent
int	vScrollExtent
QSize	hint

Detailed Description

Data for legend layout calculation.

Contains frame width, scroll extents, and size hint for the legend.

Member Function Documentation

init()

void QwtPlotLayoutEngine::LayoutData::LegendData::init

(

const QwtAbstractLegend *

legend

)

Initialize legend data from a QwtAbstractLegend.

Extracts frame width, scroll extents and size hint from the legend widget.

Parameters

legend

Pointer to the legend widget

legendHint()

QSize QwtPlotLayoutEngine::LayoutData::LegendData::legendHint	(	const QwtAbstractLegend *	legend,
		const QRectF &	rect
	)		const

Calculate optimal legend size for given rectangle.

Determines the best size for the legend within the available space, considering both width and height constraints.

Parameters

legend	Pointer to the legend widget
rect	Available rectangle for the legend

Returns

Optimal size for the legend

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The documentation for this struct was generated from the following files:

• /home/runner/work/QWT/QWT/src/plot/qwt_plot_layout_engine.h
• /home/runner/work/QWT/QWT/src/plot/qwt_plot_layout_engine.cpp