Module java.desktop

Package javax.swing.plaf.metal

Class MetalScrollBarUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.ScrollBarUI

javax.swing.plaf.basic.BasicScrollBarUI

javax.swing.plaf.metal.MetalScrollBarUI

所有已实现的接口:

LayoutManager, SwingConstants

       public class MetalScrollBarUI extends BasicScrollBarUI
      

Metal外观和感觉的ScrollBarUI实现

Nested Class Summary

Nested classes/interfaces declared in class javax.swing.plaf.basic.BasicScrollBarUI

BasicScrollBarUI.ArrowButtonListener, BasicScrollBarUI.ModelListener, BasicScrollBarUI.PropertyChangeHandler, BasicScrollBarUI.ScrollListener, BasicScrollBarUI.TrackListener

Field Summary

Fields

Modifier and Type	Field	Description
protected MetalScrollButton	decreaseButton	减少按钮。
static final String	FREE_STANDING_PROP	属性 JScrollBar.isFreeStanding。
protected MetalScrollButton	increaseButton	增加按钮。
protected boolean	isFreeStanding	属性 JScrollBar.isFreeStanding 的值。
protected int	scrollBarWidth	滚动条的宽度。

Fields declared in class javax.swing.plaf.basic.BasicScrollBarUI

buttonListener, decrButton, DECREASE_HIGHLIGHT, decrGap, incrButton, INCREASE_HIGHLIGHT, incrGap, isDragging, maximumThumbSize, minimumThumbSize, modelListener, NO_HIGHLIGHT, propertyChangeListener, scrollbar, scrollListener, scrollTimer, thumbDarkShadowColor, thumbLightShadowColor, thumbRect, trackColor, trackHighlight, trackHighlightColor, trackListener, trackRect

Fields declared in interface javax.swing.SwingConstants

BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST

Constructor Summary

Constructors

Constructor	Description
MetalScrollBarUI()	构造一个 MetalScrollBarUI。

Method Summary

Modifier and Type	Method	Description
protected JButton	createDecreaseButton(int orientation)	返回表示减少视图的视图。
protected JButton	createIncreaseButton(int orientation)	返回表示增加视图的视图。
static ComponentUI	createUI(JComponent c)	构造一个新的 MetalScrollBarUI 实例。
protected void	setThumbBounds(int x, int y, int width, int height)	仅覆盖以增加无效区域。

Methods declared in class javax.swing.plaf.basic.BasicScrollBarUI

addLayoutComponent, configureScrollBarColors, createArrowButtonListener, createModelListener, createPropertyChangeListener, createScrollListener, createTrackListener, getMaximumSize, getMaximumThumbSize, getMinimumThumbSize, getPreferredSize, getSupportsAbsolutePositioning, getThumbBounds, getTrackBounds, installComponents, installDefaults, installKeyboardActions, installListeners, installUI, isThumbRollover, layoutContainer, layoutHScrollbar, layoutVScrollbar, minimumLayoutSize, paintDecreaseHighlight, paintIncreaseHighlight, paintThumb, paintTrack, preferredLayoutSize, removeLayoutComponent, scrollByBlock, scrollByUnit, setThumbRollover, uninstallComponents, uninstallDefaults, uninstallKeyboardActions, uninstallListeners, uninstallUI

Methods declared in class javax.swing.plaf.ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMinimumSize, paint, update

Methods declared in class java.lang.Object

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

Field Details

increaseButton

             protected MetalScrollButton increaseButton
            

增加按钮。

decreaseButton

             protected MetalScrollButton decreaseButton
            

减少按钮。

scrollBarWidth

             protected int scrollBarWidth
            

滚动条的宽度。

FREE_STANDING_PROP

             public static final String FREE_STANDING_PROP
            

属性 JScrollBar.isFreeStanding 的值。

参见:

• 常量字段值

isFreeStanding

             protected boolean isFreeStanding
            

属性 JScrollBar.isFreeStanding 的值。

Constructor Details

MetalScrollBarUI

             public MetalScrollBarUI()
            

构造一个 MetalScrollBarUI。

Method Details

createUI

             public static ComponentUI createUI(JComponent c)
            

构造一个新的 MetalScrollBarUI 实例。

参数:

c - 一个组件

返回:

一个新的 MetalScrollBarUI 实例

createDecreaseButton

             protected JButton createDecreaseButton(int orientation)
            

返回表示减少视图的视图。

覆盖:

createDecreaseButton 在类 BasicScrollBarUI

参数:

orientation - 方向

返回:

一个减少按钮

createIncreaseButton

             protected JButton createIncreaseButton(int orientation)
            

返回表示增加视图的视图。

覆盖:

createIncreaseButton 在类 BasicScrollBarUI

参数:

orientation - 方向

返回:

一个增加按钮

setThumbBounds

             protected void setThumbBounds(int x, int y, int width, int height)
            

仅覆盖以增加无效区域。 确保"拇指"下方的"阴影"无效

覆盖:

setThumbBounds 在类 BasicScrollBarUI

参数:

x - 设置拇指的x位置

y - 设置拇指的y位置

width - 设置拇指的宽度

height - 设置拇指的高度

参见:

• BasicScrollBarUI.getThumbBounds()