类 Slider

java.lang.Object

polaris.sdk.ui.Widget

polaris.sdk.ui.controls.Slider

直接已知子类:

RangeSlider, ScrollBar

public class Slider
extends Widget

Full-width continuous drag, pointer capture via Ui, monotonic visual following.

字段概要

字段

修饰符和类型	字段	说明
protected float	downX
protected float	dragOffset
protected double	max
protected double	min
protected boolean	pointerMoved
protected float	shownFraction
protected boolean	snapToStep
protected double	step
protected double	value

从类继承的字段 Widget

ax, ay, change, children, click, clip, clipChildren, contextMenu, enabled, focusable, h, hovered, id, parent, pressed, text, tooltip, ui, visible, w, x, y

修饰符和类型	字段	说明
protected float	ax
protected float	ay
protected Consumer<Widget>	change
protected final List<Widget>	children
protected Consumer<Widget>	click
protected Rect	clip
protected boolean	clipChildren
protected PopupMenu	contextMenu
protected boolean	enabled
protected boolean	focusable
protected float	h
protected boolean	hovered
protected String	id
protected Widget	parent
protected boolean	pressed
protected String	text
protected String	tooltip
protected Ui	ui
protected boolean	visible
protected float	w
protected float	x
protected float	y

构造器概要

构造器

构造器	说明
Slider()

方法概要

修饰符和类型	方法	说明
Slider	continuous()
boolean	discrete()
protected float	displayedFraction()
protected void	drawThumb(Painter p, float f, float pressure)
protected void	drawTrack(Painter p, float lo, float hi)
void	event(UiEvent e)
protected float	fraction()
protected float	inset()
protected void	paint(Painter p)
protected double	pointerValue(float px)
Slider	range(double min, double max)
protected void	setFromPointer(float px)
Slider	step(double step)	Explicit step enables quantization; defaults are continuous for pointer input.
protected float	thumbSize()
protected float	trackLength()
protected float	trackStart()
double	value()
Slider	value(double v)

从类继承的方法 Widget

absoluteX, absoluteY, activate, add, appear, attach, beginPositionDrag, bounds, canFocus, centered, changed, childClip, children, clear, clipChildren, clock, contains, contentClipRadius, context, contextMenu, corner, corners, corners, draw, drawFocus, enabled, enabled, find, focusable, focused, follow, glassPart, height, hit, hover, hoverAmount, hovered, id, id, ink, label, layout, layoutChildren, motion, motion, offsetX, offsetY, onChange, onClick, paintOverlay, parent, popContentClip, pressAmount, pressTransform, pushContentClip, radius, radius, rect, remove, resetPress, smoothPosition, snapMotion, stateSurface, surface, text, text, theme, tooltip, tooltip, ui, visible, visible, width, x, y

修饰符和类型	方法	说明
float	absoluteX()
float	absoluteY()
void	activate()
Widget	add(Widget child)
Widget	appear()
void	attach(Ui context)
Widget	beginPositionDrag()	Grab an already moving widget at its shown location rather than at its old target.
Widget	bounds(float x, float y, float w, float h)
boolean	canFocus()
protected void	centered(Painter p, String s)
void	changed()
protected Rect	childClip()
List<Widget>	children()
void	clear()
Widget	clipChildren(boolean b)
protected double	clock()
boolean	contains(float px, float py)
protected float	contentClipRadius()	The same outline used by this widget's own glass surface, only for its descendants.
Widget	context(PopupMenu menu)
PopupMenu	contextMenu()
Widget	corner(Corner corner, BezierCorner value)
CornerRadii	corners()
Widget	corners(CornerRadii value)
final void	draw(Painter original)
void	drawFocus(Painter p)
boolean	enabled()
Widget	enabled(boolean value)
Widget	find(String wanted)
Widget	focusable(boolean b)
boolean	focused()
protected float	follow(String key, float target, float response)
protected void	glassPart(Painter p, float xx, float yy, float ww, float hh, float radius, float tintExtra, int tintColor, float colorMix, float blur)
float	height()
Widget	hit(float px, float py)
void	hover(boolean value)
protected float	hoverAmount()
boolean	hovered()
String	id()
Widget	id(String s)
protected int	ink()
protected void	label(Painter p, String s, float left, float top, float size, int color)
final void	layout(float px, float py, Rect parentClip)
protected void	layoutChildren()
protected float	motion(String key, float target)
protected float	motion(String key, float target, float frequency, float damping)
protected float	offsetX()
protected float	offsetY()
Widget	onChange(Consumer<Widget> listener)
Widget	onClick(Consumer<Widget> listener)
protected void	paintOverlay(Painter p)
Widget	parent()
protected final void	popContentClip(Painter p)
protected float	pressAmount()
protected boolean	pressTransform()
protected final void	pushContentClip(Painter p)
Widget	radius(float all)
Widget	radius(float topLeft, float topRight, float bottomRight, float bottomLeft)	Four independent cubic corner radii, clockwise from the top left.
Rect	rect()
void	remove(Widget child)
void	resetPress()
Widget	smoothPosition(boolean value)	Position follows its target while rendering and hit testing use the same shown geometry.
protected void	snapMotion(String key, float value)
protected void	stateSurface(Painter p, float selected, float prominence)
protected void	surface(Painter p)
String	text()
Widget	text(String s)
protected Theme	theme()
String	tooltip()
Widget	tooltip(String s)
Ui	ui()
boolean	visible()
Widget	visible(boolean value)
float	width()
float	x()
float	y()

从类继承的方法 Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

min

protected double min

max

protected double max

value

protected double value

step

protected double step

snapToStep

protected boolean snapToStep

pointerMoved

protected boolean pointerMoved

downX

protected float downX

dragOffset

protected float dragOffset

shownFraction

protected float shownFraction

构造器详细资料

Slider

public Slider()

方法详细资料

range

public Slider range(double min,
 double max)

step

public Slider step(double step)

Explicit step enables quantization; defaults are continuous for pointer input.

continuous

public Slider continuous()

value

public Slider value(double v)

value

public double value()

discrete

public boolean discrete()

fraction

protected float fraction()

thumbSize

protected float thumbSize()

inset

protected float inset()

trackStart

protected float trackStart()

trackLength

protected float trackLength()

pointerValue

protected double pointerValue(float px)

setFromPointer

protected void setFromPointer(float px)

displayedFraction

protected float displayedFraction()

event

public void event(UiEvent e)

覆盖:

event 在类中 Widget

drawTrack

protected void drawTrack(Painter p,
 float lo,
 float hi)

drawThumb

protected void drawThumb(Painter p,
 float f,
 float pressure)

paint

protected void paint(Painter p)

覆盖:

paint 在类中 Widget