A widget drawing a checkerboard into its space. More...

Inheritance diagram for UICheckerboard:

Collaboration diagram for UICheckerboard:

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Public Member Functions
	UICheckerboard (UISize preferredSize=UISize(), UIWidget *next=nullptr)
	Create a checkerboard widget with the given preferred size and a potential successor.

	UICheckerboard (UIWidget *next)
	Create a checkerboard widget with the given successor.

UIArea *	render (U8G2 *display, bool force)
	Render the checkerboard pattern. More...

Public Member Functions inherited from UIWidget
UISize	preferredSize (U8G2 *display)
	Return the preferred size of this widget, will be called before a call to layout(). More...

virtual void	layout (U8G2 display, UIArea area)
	Layout widget in the given rectanglar area, will be called before first call to render(). More...

virtual UIArea *	render (U8G2 *display, bool force)=0
	Render component in the space given in layout(). More...

virtual void	setParent (UIParent *parent)
	Set the parent widget group (if it exists). More...

Protected Member Functions
void	computePreferredSize (U8G2 display, UISize preferredSize)
	Generate the preferred size from the font size. More...

Protected Member Functions inherited from UIWidget
	UIWidget (UIWidget *next=nullptr)
	Initialize this widget and potentially set its successor.

void	clearBox (U8G2 display, UIArea dimm)
	Clear the given area.

void	clearFull (U8G2 *display)
	Clear the full area of this widget.

void	clip (U8G2 *display)
	Set U8g2's clip window to the area of this widget, should be called from render().

virtual void	computePreferredSize (U8G2 display, UISize preferredSize)=0
	Store preferred size of this widget into the preferredSize reference. More...

void	signalNeedsRendering ()
	Called internally: Signals to parent that this widget needs to be rendered.

Additional Inherited Members
Public Attributes inherited from UIWidget
UIWidget *	next
	Pointer to the next widget on the same level.

Protected Attributes inherited from UIWidget
UIArea	dim
	Actual area of this widget, set in layout().

UIParent *	parent
	Reference to the group this widget is connected to.

Detailed Description

A widget drawing a checkerboard into its space.

Member Function Documentation

void UICheckerboard::computePreferredSize	(	U8G2 *	display,
		UISize *	preferredSize
	)

protectedvirtual

Generate the preferred size from the font size.

Implements UIWidget.

UIArea * UICheckerboard::render	(	U8G2 *	display,
		bool	force
	)

virtual

Render the checkerboard pattern.

Implements UIWidget.

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