LcdGfxSlider Class Reference

Class implements a value slider widget for lcdgfx library. More...

#include <slider.h>

Public Member Functions
	LcdGfxSlider (const NanoRect &rect, int16_t minValue, int16_t maxValue, int16_t value, int16_t step=1, LcdGfxSliderOrientation orientation=LcdGfxSliderOrientation::Horizontal)
	Creates a slider widget. More...
template<typename D >
void	show (D &d)
	Renders the slider on the display. More...
void	up ()
	Increments value by one step (clamped to max).
void	down ()
	Decrements value by one step (clamped to min).
void	setValue (int16_t value)
	Sets the current value, clamped into [min, max].
int16_t	value () const
	Returns the current value.
int16_t	minValue () const
	Returns the configured minimum.
int16_t	maxValue () const
	Returns the configured maximum.
const NanoRect &	getRect () const
	Returns the rectangle area used by the slider.

Detailed Description

Class implements a value slider widget for lcdgfx library.

Renders a track with a knob that represents the current value within [min, max]. Works with monochrome and color displays - drawing uses only the generic NanoDisplayOps API.

Definition at line 56 of file slider.h.

Constructor & Destructor Documentation

LcdGfxSlider()

LcdGfxSlider::LcdGfxSlider	(	const NanoRect &	rect,
		int16_t	minValue,
		int16_t	maxValue,
		int16_t	value,
		int16_t	step = 1,
		LcdGfxSliderOrientation	orientation = LcdGfxSliderOrientation::Horizontal
	)

Creates a slider widget.

Parameters

rect	screen area for the slider
minValue	minimum value (inclusive)
maxValue	maximum value (inclusive)
value	initial value (clamped into [min, max])
step	increment / decrement size for up()/down() (must be >= 1)
orientation	Horizontal or Vertical

Member Function Documentation

show()

template<typename D >

void LcdGfxSlider::show ( D &  d )

inline

Renders the slider on the display.

Parameters

d	display object (any NanoDisplayOps-derived type)

Definition at line 77 of file slider.h.

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

• src/v2/gui/slider.h