类 ListBox

java.lang.Object

polaris.sdk.ui.Widget

polaris.sdk.ui.controls.ListBox

直接已知子类:

GridView, Sidebar

public class ListBox
extends Widget

A selectable list with one shared inset model for paint, input and scroll limits.

字段概要

字段

修饰符和类型	字段	说明
protected IntConsumer	doubleClick
protected boolean	glass
protected int	hoverRow
protected final List<String>	items
protected float	padding
protected float	rowGap
protected float	rowHeight
protected float	scroll
protected int	selected
protected IntConsumer	selection
protected float	visualScroll

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
ListBox()
ListBox(String... values)

方法概要

修饰符和类型	方法	说明
Rect	contentBounds()	Absolute logical content viewport; useful for consistent custom list renderers.
protected float	contentHeight()
protected void	ensureVisible()
void	event(UiEvent e)
boolean	glass()
ListBox	glass(boolean value)	Disable only the list's own surface.
boolean	hasScrollbar()
List<String>	items()
ListBox	items(String... values)
ListBox	items(List<String> values)
protected void	layoutChildren()
protected float	maxScroll()
ListBox	onDoubleClick(IntConsumer c)
ListBox	onSelection(IntConsumer c)
float	padding()
ListBox	padding(float value)	Equal outer insets on all four sides.
protected void	paint(Painter p)
protected void	paintScrollbar(Painter p)
Rect	rowBounds(int index)	Actual shown row, including continuous scroll animation.
float	rowGap()
ListBox	rowGap(float value)
float	rowHeight()
ListBox	rowHeight(float value)	Row pitch includes the row gap.
void	select(int index)
int	selectedIndex()
String	selectedItem()
protected float	viewportHeight()

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, 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 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

items

protected final List<String> items

selected

protected int selected

hoverRow

protected int hoverRow

visualScroll

protected float visualScroll

scroll

protected float scroll

rowHeight

protected float rowHeight

padding

protected float padding

rowGap

protected float rowGap

glass

protected boolean glass

selection

protected IntConsumer selection

doubleClick

protected IntConsumer doubleClick

构造器详细资料

ListBox

public ListBox()

ListBox

public ListBox(String... values)

方法详细资料

glass

public ListBox glass(boolean value)

Disable only the list's own surface. Selection still changes its glass material.

glass

public boolean glass()

padding

public ListBox padding(float value)

Equal outer insets on all four sides. A gutter is added only if a scrollbar is visible.

padding

public float padding()

rowGap

public ListBox rowGap(float value)

rowGap

public float rowGap()

rowHeight

public ListBox rowHeight(float value)

Row pitch includes the row gap.

rowHeight

public float rowHeight()

items

public ListBox items(String... values)

items

public ListBox items(List<String> values)

items

public List<String> items()

selectedIndex

public int selectedIndex()

selectedItem

public String selectedItem()

onSelection

public ListBox onSelection(IntConsumer c)

onDoubleClick

public ListBox onDoubleClick(IntConsumer c)

select

public void select(int index)

contentHeight

protected float contentHeight()

viewportHeight

protected float viewportHeight()

maxScroll

protected float maxScroll()

hasScrollbar

public boolean hasScrollbar()

contentBounds

public Rect contentBounds()

Absolute logical content viewport; useful for consistent custom list renderers.

rowBounds

public Rect rowBounds(int index)

Actual shown row, including continuous scroll animation. The gap is not clickable.

ensureVisible

protected void ensureVisible()

layoutChildren

protected void layoutChildren()

覆盖:

layoutChildren 在类中 Widget

paint

protected void paint(Painter p)

覆盖:

paint 在类中 Widget

paintScrollbar

protected void paintScrollbar(Painter p)

event

public void event(UiEvent e)

覆盖:

event 在类中 Widget