java.lang.Object
javax.swing.plaf.ComponentUI
javax.swing.plaf.ButtonUI
javax.swing.plaf.basic.BasicButtonUI
- Direct Known Subclasses:
BasicToggleButtonUI
,MetalButtonUI
,SynthButtonUI
BasicButton implementation
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Field Summary
Modifier and TypeFieldDescriptionprotected int
The default gap between a text and an icon.protected int
The default offset of a text. -
Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionprotected void
Clears the offset of the text.protected BasicButtonListener
Returns a new instance ofBasicButtonListener
.static ComponentUI
Returns an instance ofBasicButtonUI
.int
getBaseline
(JComponent c, int width, int height) Returns the baseline.Returns an enum indicating how the baseline of the component changes as the size changes.int
Returns the default gap between a text and an icon.protected String
Returns the property prefix.protected int
Returns the offset of the text.protected void
Installs default properties.protected void
Registers keyboard actions.protected void
Registers listeners.protected void
Paints a pressed button.protected void
paintFocus
(Graphics g, AbstractButton b, Rectangle viewRect, Rectangle textRect, Rectangle iconRect) Paints a focused button.protected void
paintIcon
(Graphics g, JComponent c, Rectangle iconRect) Paints an icon of the current button.protected void
paintText
(Graphics g, AbstractButton b, Rectangle textRect, String text) Method which renders the text of the current button.protected void
paintText
(Graphics g, JComponent c, Rectangle textRect, String text) Method which renders the text of the current button.protected void
Sets the offset of the text.protected void
Uninstalls default properties.protected void
Unregisters keyboard actions.protected void
Unregisters listeners.Methods declared in class javax.swing.plaf.ComponentUI
contains, getAccessibleChild, getAccessibleChildrenCount, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI, update
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Field Details
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defaultTextIconGap
protected int defaultTextIconGapThe default gap between a text and an icon. -
defaultTextShiftOffset
protected int defaultTextShiftOffsetThe default offset of a text.
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Constructor Details
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BasicButtonUI
public BasicButtonUI()Constructs aBasicButtonUI
.
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Method Details
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createUI
Returns an instance ofBasicButtonUI
.- Parameters:
c
- a component- Returns:
- an instance of
BasicButtonUI
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getPropertyPrefix
Returns the property prefix.- Returns:
- the property prefix
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installDefaults
Installs default properties.- Parameters:
b
- an abstract button
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installListeners
Registers listeners.- Parameters:
b
- an abstract button
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installKeyboardActions
Registers keyboard actions.- Parameters:
b
- an abstract button
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uninstallKeyboardActions
Unregisters keyboard actions.- Parameters:
b
- an abstract button
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uninstallListeners
Unregisters listeners.- Parameters:
b
- an abstract button
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uninstallDefaults
Uninstalls default properties.- Parameters:
b
- an abstract button
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createButtonListener
Returns a new instance ofBasicButtonListener
.- Parameters:
b
- an abstract button- Returns:
- a new instance of
BasicButtonListener
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getDefaultTextIconGap
Returns the default gap between a text and an icon.- Parameters:
b
- an abstract button- Returns:
- the default gap between text and an icon
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paintIcon
Paints an icon of the current button.- Parameters:
g
- an instance ofGraphics
c
- a componenticonRect
- a bounding rectangle to render the icon
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paintText
Method which renders the text of the current button. As of Java 2 platform v 1.4 this method should not be used or overridden. Use the paintText method which takes the AbstractButton argument.- Parameters:
g
- an instance ofGraphics
c
- a componenttextRect
- a bounding rectangle to render the texttext
- a string to render
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paintText
Method which renders the text of the current button.- Parameters:
g
- Graphics contextb
- Current button to rendertextRect
- Bounding rectangle to render the texttext
- String to render- Since:
- 1.4
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paintFocus
protected void paintFocus(Graphics g, AbstractButton b, Rectangle viewRect, Rectangle textRect, Rectangle iconRect) Paints a focused button.- Parameters:
g
- an instance ofGraphics
b
- an abstract buttonviewRect
- a bounding rectangle to render the buttontextRect
- a bounding rectangle to render the texticonRect
- a bounding rectangle to render the icon
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paintButtonPressed
Paints a pressed button.- Parameters:
g
- an instance ofGraphics
b
- an abstract button
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clearTextShiftOffset
protected void clearTextShiftOffset()Clears the offset of the text. -
setTextShiftOffset
protected void setTextShiftOffset()Sets the offset of the text. -
getTextShiftOffset
protected int getTextShiftOffset()Returns the offset of the text.- Returns:
- the offset of the text
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getBaseline
Returns the baseline.- Overrides:
getBaseline
in classComponentUI
- Parameters:
c
-JComponent
baseline is being requested forwidth
- the width to get the baseline forheight
- the height to get the baseline for- Returns:
- baseline or a value < 0 indicating there is no reasonable baseline
- Throws:
NullPointerException
- ifc
isnull
IllegalArgumentException
- if width or height is < 0- Since:
- 1.6
- See Also:
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getBaselineResizeBehavior
Returns an enum indicating how the baseline of the component changes as the size changes.- Overrides:
getBaselineResizeBehavior
in classComponentUI
- Parameters:
c
-JComponent
to return baseline resize behavior for- Returns:
- an enum indicating how the baseline changes as the component size changes
- Throws:
NullPointerException
- ifc
isnull
- Since:
- 1.6
- See Also:
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