public class SynthPopupMenuUI extends BasicPopupMenuUI implements PropertyChangeListener, SynthUI
JPopupMenu
。
popupMenu
DEFAULT, DISABLED, ENABLED, FOCUSED, MOUSE_OVER, PRESSED, SELECTED
Constructor and Description |
---|
SynthPopupMenuUI() |
Modifier and Type | Method and Description |
---|---|
static ComponentUI |
createUI(JComponent x)
为给定的组件创建一个新的UI对象。
|
SynthContext |
getContext(JComponent c)
返回指定组件的上下文。
|
void |
installDefaults() |
protected void |
installListeners() |
void |
paint(Graphics g, JComponent c)
根据外观和外观绘制指定的组件。
|
protected void |
paint(SynthContext context, Graphics g)
绘制指定的组件。
|
void |
paintBorder(SynthContext context, Graphics g, int x, int y, int w, int h)
画边框
|
void |
propertyChange(PropertyChangeEvent e)
当绑定属性更改时,此方法将被调用。
|
protected void |
uninstallDefaults() |
protected void |
uninstallListeners() |
void |
update(Graphics g, JComponent c)
通知此UI代理重新绘制指定的组件。
|
installKeyboardActions, installUI, isPopupTrigger, uninstallKeyboardActions, uninstallUI
getPopup
contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize
public static ComponentUI createUI(JComponent x)
x
- 创建UI对象的组件
public void installDefaults()
protected void installListeners()
protected void uninstallDefaults()
protected void uninstallListeners()
public SynthContext getContext(JComponent c)
getContext
在接口
SynthUI
c
- 组件请求SynthContext。
public void update(Graphics g, JComponent c)
paint(SynthContext,Graphics)
方法。
通常,此方法不需要被子类覆盖。 所有Look和Feel渲染代码都应该在paint
方法中。
update
在
ComponentUI
g
- 用于绘画的
Graphics
对象
c
- 正在涂漆的组件
paint(SynthContext,Graphics)
public void paint(Graphics g, JComponent c)
Synth Look and Feel不使用此方法。 绘画由paint(SynthContext,Graphics)
处理。
paint
在
ComponentUI
g
- 用于绘画的
Graphics
对象
c
- 被涂的组件
paint(SynthContext,Graphics)
protected void paint(SynthContext context, Graphics g)
context
- 正在绘制的组件的上下文
g
- 用于绘画的
Graphics
对象
update(Graphics,JComponent)
public void paintBorder(SynthContext context, Graphics g, int x, int y, int w, int h)
paintBorder
在界面
SynthUI
context
- 组件上下文
g
-
Graphics
上画
x
- X坐标
y
- Y坐标
w
- 边框的宽度
h
- 边框的高度
public void propertyChange(PropertyChangeEvent e)
propertyChange
在接口
PropertyChangeListener
e
- 描述事件源和已更改的属性的PropertyChangeEvent对象。
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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