java.awt.peer
interface ComponentPeer

All Known Subinterfaces:

ButtonPeer, CanvasPeer, CheckboxPeer, ChoicePeer, ContainerPeer, LabelPeer, LightweightPeer, ListPeer, ScrollbarPeer, TextComponentPeer, PanelPeer, ScrollPanePeer, WindowPeer, TextAreaPeer, TextFieldPeer, DialogPeer, FramePeer, FileDialogPeer

public interface ComponentPeer

The peer interfaces are intended only for use in porting the AWT. They are not intended for use by application developers, and developers should not implement peers nor invoke any of the peer methods directly on the peer instances.

DEFAULT_OPERATION

public static final int DEFAULT_OPERATION

NO_EMBEDDED_CHECK

public static final int NO_EMBEDDED_CHECK

RESET_OPERATION

public static final int RESET_OPERATION

SET_BOUNDS

public static final int SET_BOUNDS

SET_CLIENT_SIZE

public static final int SET_CLIENT_SIZE

SET_LOCATION

public static final int SET_LOCATION

SET_SIZE

public static final int SET_SIZE

canDetermineObscurity

public boolean canDetermineObscurity()

checkImage

public int checkImage(Image img,
                      int w,
                      int h,
                      ImageObserver o)

Parameters:

img

w

h

o

coalescePaintEvent

public void coalescePaintEvent(PaintEvent e)

Parameters:

e

createBuffers

public void createBuffers(int numBuffers,
                          BufferCapabilities caps)
                   throws AWTException

Parameters:

numBuffers

caps

Throws:

AWTException

createImage

public Image createImage(ImageProducer producer)

Parameters:

producer

createImage

public Image createImage(int width,
                         int height)

Parameters:

width

height

createVolatileImage

public VolatileImage createVolatileImage(int width,
                                         int height)

Parameters:

width

height

destroyBuffers

public void destroyBuffers()

disable

public void disable()

DEPRECATED: Replaced by setEnabled(boolean).

dispose

public void dispose()

enable

public void enable()

DEPRECATED: Replaced by setEnabled(boolean).

flip

public void flip(BufferCapabilities.FlipContents flipAction)

Parameters:

flipAction

getBackBuffer

public Image getBackBuffer()

getBounds

public Rectangle getBounds()

getColorModel

public ColorModel getColorModel()

getFontMetrics

public FontMetrics getFontMetrics(Font font)

Parameters:

font

getGraphics

public Graphics getGraphics()

getGraphicsConfiguration

public GraphicsConfiguration getGraphicsConfiguration()

getLocationOnScreen

public Point getLocationOnScreen()

getMinimumSize

public Dimension getMinimumSize()

getPreferredSize

public Dimension getPreferredSize()

getToolkit

public Toolkit getToolkit()

handleEvent

public void handleEvent(AWTEvent e)

Parameters:

e

handlesWheelScrolling

public boolean handlesWheelScrolling()

hide

public void hide()

DEPRECATED: Replaced by setVisible(boolean).

isFocusable

public boolean isFocusable()

isObscured

public boolean isObscured()

isReparentSupported

public boolean isReparentSupported()

Returns whether this peer supports reparenting to another parent withour destroying the peer

Returns:

true if appropriate reparent is supported, false otherwise

layout

public void layout()

Used by lightweight implementations to tell a ComponentPeer to layout its sub-elements. For instance, a lightweight Checkbox needs to layout the box, as well as the text label.

minimumSize

public Dimension minimumSize()

DEPRECATED: Replaced by getMinimumSize().

paint

public void paint(Graphics g)

Parameters:

g

preferredSize

public Dimension preferredSize()

DEPRECATED: Replaced by getPreferredSize().

prepareImage

public boolean prepareImage(Image img,
                            int w,
                            int h,
                            ImageObserver o)

Parameters:

img

w

h

o

print

public void print(Graphics g)

Parameters:

g

repaint

public void repaint(long tm,
                    int x,
                    int y,
                    int width,
                    int height)

Parameters:

tm

x

y

width

height

reparent

public void reparent(ContainerPeer newContainer)

Reparents this peer to the new parent referenced by newContainer peer Implementation depends on toolkit and container.

Parameters:

newContainer - peer of the new parent container

requestFocus

public boolean requestFocus(Component lightweightChild,
                            boolean temporary,
                            boolean focusedWindowChangeAllowed,
                            long time,
                            CausedFocusEvent.Cause cause)

Parameters:

lightweightChild

temporary

focusedWindowChangeAllowed

time

cause

reshape

public void reshape(int x,
                    int y,
                    int width,
                    int height)

DEPRECATED: Replaced by setBounds(int, int, int, int).

Parameters:

x

y

width

height

setBackground

public void setBackground(Color c)

Parameters:

c

setBounds

public void setBounds(int x,
                      int y,
                      int width,
                      int height,
                      int op)

Parameters:

x

y

width

height

op

setEnabled

public void setEnabled(boolean b)

Parameters:

b

setFont

public void setFont(Font f)

Parameters:

f

setForeground

public void setForeground(Color c)

Parameters:

c

setVisible

public void setVisible(boolean b)

Parameters:

b

show

public void show()

DEPRECATED: Replaced by setVisible(boolean).

updateCursorImmediately

public void updateCursorImmediately()