Horizontal line with optional empty border on top and bottom, always spreads as wide as possible to the left and right. More...

Inheritance diagram for UIHorizontalLine:

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Collaboration diagram for UIHorizontalLine:

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Public Member Functions
	UIHorizontalLine (uint16_t border=0, uint16_t lineWidth=1, UIWidget *next=nullptr)
	Create a horizontal line. More...

	UIHorizontalLine (UIWidget *next)
	Create a horizontal line of width 1 with no border on top and bottom.

UIArea *	render (U8G2 *display, bool force)
	A line is only rendered if rendering is forced, otherwise it never changes. 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)
	The preferred size of a line is 1+2*border in height and "as wide as possible". 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

Horizontal line with optional empty border on top and bottom, always spreads as wide as possible to the left and right.

Constructor & Destructor Documentation

UIHorizontalLine::UIHorizontalLine	(	uint16_t	border = `0`,
		uint16_t	lineWidth = `1`,
		UIWidget *	next = `nullptr`
	)

Create a horizontal line.

Defaults to an empty border on top and bottom (default 0), a tiny line width (defaults to 1) and an optional successor.

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

protectedvirtual

The preferred size of a line is 1+2*border in height and "as wide as possible".

Implements UIWidget.

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

virtual

A line is only rendered if rendering is forced, otherwise it never changes.

Implements UIWidget.

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