CheckBoxRenderer Class Reference

#include <Pt/Forms/CheckBoxStyle.h>

Renders the visual appearance of a check box widget. More...

Inherits Style::Facet.

Inherited by PlatinumCheckBoxRenderer.

Public Member Functions
CheckBoxRenderer *	create () const
	Creates a new default-constructed instance that the caller owns.
void	prepare (const StyleOptions &options, const CheckBoxStyleOptions &checkBoxOptions)
	Applies the widget-local check box style overrides to this renderer. More...
Gfx::SizeF	measureIndicator (PaintSurface &surface)
	Returns the natural size of the check indicator on surface.
Gfx::SizeF	measureContent (PaintSurface &surface, const Gfx::SizeF &indicatorSize, const Gfx::SizeF &textSize)
	Returns the combined content size for indicator and text.
Gfx::SizeF	measureFrame (PaintSurface &surface, const Gfx::SizeF &contentSize)
	Returns the outer size including frame for the given content size.
Gfx::RectF	layoutFrame (PaintSurface &surface, const Gfx::RectF &frameRect)
	Returns the content rectangle within the outer frame rect.
void	layoutContent (PaintSurface &surface, const Gfx::RectF &contentRect, const Gfx::SizeF &indicatorSize, const Gfx::SizeF &textSize, Gfx::RectF &indicatorRect, Gfx::RectF &textRect)
	Partitions the content rect into indicator and text sub-rectangles.
Gfx::RectF	layoutMnemonic (PaintSurface &surface, const String &text, const Gfx::PointF &textPos, const Gfx::FontMetrics &fontMetrics, String::size_type mnemonicIndex)
	Computes the underline rectangle for the mnemonic character.
const Painter &	textPainter (PaintSurface &surface)
	Returns a painter with the current font and text color applied.
void	renderChrome (PaintContext &context, const Gfx::RectF &rect, const Gfx::RectF &boxRect, const CheckBoxState &state)
	Draws the check indicator chrome within the widget rect.
void	renderText (PaintContext &context, const Gfx::RectF &textRect, const String &text, const Gfx::PointF &pos, const CheckBoxState &state)
	Draws text at pos, clipped to the text rect.
void	renderMnemonic (PaintContext &context, const Gfx::RectF &rect, const Gfx::RectF &mnemonic, const CheckBoxState &state)
	Draws the mnemonic underline within mnemonic, clipped to the widget rect.
void	reset (const StyleOptions &options)
	Resets the facet to the given global style options.

Protected Member Functions
virtual void	onReset (const StyleOptions &options)
	Resets the shared check box renderer to global defaults.

Detailed Description

Provides rendering primitives for the check indicator, label text, and mnemonic underline. Subclasses override the protected virtuals.

Member Function Documentation

prepare()

void prepare	(	const StyleOptions &	options,
		const CheckBoxStyleOptions &	checkBoxOptions
	)

This is the explicit synchronization point for the check box slice.