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Packages that use Component | |
java.applet | Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context. |
java.awt | Contains all of the classes for creating user interfaces and for painting graphics and images. |
java.awt.event | Provides interfaces and classes for dealing with different types of events fired by AWT components. |
java.awt.im | Provides classes and interfaces for the input method framework. |
Uses of Component in java.applet |
Subclasses of Component in java.applet | |
class |
Applet
An applet is a small program that is intended not to be run on its own, but rather to be embedded inside another application. |
Uses of Component in java.awt |
Subclasses of Component in java.awt | |
class |
Button
This class creates a labeled button. |
class |
Canvas
A Canvas component represents a blank rectangular
area of the screen onto which the application can draw or from
which the application can trap input events from the user. |
class |
Checkbox
A check box is a graphical component that can be in either an "on" ( true ) or "off" (false ) state. |
class |
Choice
The Choice class presents a pop-up menu of choices. |
class |
Container
A generic Abstract Window Toolkit(AWT) container object is a component that can contain other AWT components. |
class |
Dialog
A Dialog is a top-level window with a title and a border that is typically used to take some form of input from the user. |
class |
FileDialog
The FileDialog class displays a dialog window
from which the user can select a file. |
class |
Frame
A Frame is a top-level window with a title and a border. |
class |
Label
A Label object is a component for placing text in a
container. |
class |
List
The List component presents the user with a
scrolling list of text items. |
class |
Panel
Panel is the simplest container class. |
class |
Scrollbar
The Scrollbar class embodies a scroll bar, a
familiar user-interface object. |
class |
ScrollPane
A container class which implements automatic horizontal and/or vertical scrolling for a single child component. |
class |
TextArea
A TextArea object is a multi-line region
that displays text. |
class |
TextComponent
The TextComponent class is the superclass of
any component that allows the editing of some text. |
class |
TextField
A TextField object is a text component
that allows for the editing of a single line of text. |
class |
Window
A Window object is a top-level window with no borders and no
menubar. |
Methods in java.awt that return Component | |
Component |
Window.getFocusOwner()
Returns the child Component of this Window that has focus if this Window is focused; returns null otherwise. |
Component |
Window.getMostRecentFocusOwner()
Returns the child Component of this Window that will receive the focus when this Window is focused. |
Component |
KeyboardFocusManager.getFocusOwner()
Returns the focus owner, if the focus owner is in the same context as the calling thread. |
Component |
KeyboardFocusManager.getPermanentFocusOwner()
Returns the permanent focus owner, if the permanent focus owner is in the same context as the calling thread. |
abstract Component |
FocusTraversalPolicy.getComponentAfter(Container focusCycleRoot,
Component aComponent)
Returns the Component that should receive the focus after aComponent. |
abstract Component |
FocusTraversalPolicy.getComponentBefore(Container focusCycleRoot,
Component aComponent)
Returns the Component that should receive the focus before aComponent. |
abstract Component |
FocusTraversalPolicy.getFirstComponent(Container focusCycleRoot)
Returns the first Component in the traversal cycle. |
abstract Component |
FocusTraversalPolicy.getLastComponent(Container focusCycleRoot)
Returns the last Component in the traversal cycle. |
abstract Component |
FocusTraversalPolicy.getDefaultComponent(Container focusCycleRoot)
Returns the default Component to focus. |
Component |
FocusTraversalPolicy.getInitialComponent(Window window)
Returns the Component that should receive the focus when a Window is made visible for the first time. |
Component |
Component.getComponentAt(int x,
int y)
Determines if this component or one of its immediate subcomponents contains the (x, y) location, and if so, returns the containing component. |
Component |
Component.locate(int x,
int y)
Deprecated. As of JDK version 1.1, replaced by getComponentAt(int, int). |
Component |
Component.getComponentAt(Point p)
Returns the component or subcomponent that contains the specified point. |
Component |
Container.getComponent(int n)
Gets the nth component in this container. |
Component[] |
Container.getComponents()
Gets all the components in this container. |
Component |
Container.add(Component comp)
Appends the specified component to the end of this container. |
Component |
Container.add(String name,
Component comp)
Adds the specified component to this container. |
Component |
Container.add(Component comp,
int index)
Adds the specified component to this container at the given position. |
Component |
Container.getComponentAt(int x,
int y)
Locates the component that contains the x,y position. |
Component |
Container.locate(int x,
int y)
Deprecated. As of JDK version 1.1, replaced by getComponentAt(int, int) . |
Component |
Container.getComponentAt(Point p)
Gets the component that contains the specified point. |
Component |
Container.findComponentAt(int x,
int y)
Locates the visible child component that contains the specified position. |
Component |
Container.findComponentAt(Point p)
Locates the visible child component that contains the specified point. |
Component |
ContainerOrderFocusTraversalPolicy.getComponentAfter(Container focusCycleRoot,
Component aComponent)
Returns the Component that should receive the focus after aComponent. |
Component |
ContainerOrderFocusTraversalPolicy.getComponentBefore(Container focusCycleRoot,
Component aComponent)
Returns the Component that should receive the focus before aComponent. |
Component |
ContainerOrderFocusTraversalPolicy.getFirstComponent(Container focusCycleRoot)
Returns the first Component in the traversal cycle. |
Component |
ContainerOrderFocusTraversalPolicy.getLastComponent(Container focusCycleRoot)
Returns the last Component in the traversal cycle. |
Component |
ContainerOrderFocusTraversalPolicy.getDefaultComponent(Container focusCycleRoot)
Returns the default Component to focus. |
Methods in java.awt with parameters of type Component | |
protected void |
ScrollPane.addImpl(Component comp,
Object constraints,
int index)
Adds the specified component to this scroll pane container. |
void |
PopupMenu.show(Component origin,
int x,
int y)
Shows the popup menu at the x, y position relative to an origin component. |
void |
LayoutManager2.addLayoutComponent(Component comp,
Object constraints)
Adds the specified component to the layout, using the specified constraint object. |
void |
LayoutManager.addLayoutComponent(String name,
Component comp)
If the layout manager uses a per-component string, adds the component comp to the layout,
associating it
with the string specified by name . |
void |
LayoutManager.removeLayoutComponent(Component comp)
Removes the specified component from the layout. |
void |
KeyboardFocusManager.redispatchEvent(Component target,
AWTEvent e)
Redispatches an AWTEvent in such a way that the AWT event dispatcher will not recursively request that the KeyboardFocusManager, or any installed KeyEventDispatchers, dispatch the event again. |
abstract void |
KeyboardFocusManager.processKeyEvent(Component focusedComponent,
KeyEvent e)
This method initiates a focus traversal operation if and only if the KeyEvent represents a focus traversal key for the specified focusedComponent. |
abstract void |
KeyboardFocusManager.focusNextComponent(Component aComponent)
Focuses the Component after aComponent, typically based on a FocusTraversalPolicy. |
abstract void |
KeyboardFocusManager.focusPreviousComponent(Component aComponent)
Focuses the Component before aComponent, typically based on a FocusTraversalPolicy. |
abstract void |
KeyboardFocusManager.upFocusCycle(Component aComponent)
Moves the focus up one focus traversal cycle. |
void |
GridLayout.addLayoutComponent(String name,
Component comp)
Adds the specified component with the specified name to the layout. |
void |
GridLayout.removeLayoutComponent(Component comp)
Removes the specified component from the layout. |
void |
GridBagLayout.setConstraints(Component comp,
GridBagConstraints constraints)
Sets the constraints for the specified component in this layout. |
GridBagConstraints |
GridBagLayout.getConstraints(Component comp)
Gets the constraints for the specified component. |
protected GridBagConstraints |
GridBagLayout.lookupConstraints(Component comp)
Retrieves the constraints for the specified component. |
void |
GridBagLayout.addLayoutComponent(String name,
Component comp)
Adds the specified component with the specified name to the layout. |
void |
GridBagLayout.addLayoutComponent(Component comp,
Object constraints)
Adds the specified component to the layout, using the specified constraints object. |
void |
GridBagLayout.removeLayoutComponent(Component comp)
Removes the specified component from this layout. |
abstract Component |
FocusTraversalPolicy.getComponentAfter(Container focusCycleRoot,
Component aComponent)
Returns the Component that should receive the focus after aComponent. |
abstract Component |
FocusTraversalPolicy.getComponentBefore(Container focusCycleRoot,
Component aComponent)
Returns the Component that should receive the focus before aComponent. |
void |
FlowLayout.addLayoutComponent(String name,
Component comp)
Adds the specified component to the layout. |
void |
FlowLayout.removeLayoutComponent(Component comp)
Removes the specified component from the layout. |
protected boolean |
DefaultFocusTraversalPolicy.accept(Component aComponent)
Determines whether a Component is an acceptable choice as the new focus owner. |
Component |
Container.add(Component comp)
Appends the specified component to the end of this container. |
Component |
Container.add(String name,
Component comp)
Adds the specified component to this container. |
Component |
Container.add(Component comp,
int index)
Adds the specified component to this container at the given position. |
void |
Container.add(Component comp,
Object constraints)
Adds the specified component to the end of this container. |
void |
Container.add(Component comp,
Object constraints,
int index)
Adds the specified component to this container with the specified constraints at the specified index. |
protected void |
Container.addImpl(Component comp,
Object constraints,
int index)
Adds the specified component to this container at the specified index. |
void |
Container.remove(Component comp)
Removes the specified component from this container. |
boolean |
Container.isAncestorOf(Component c)
Checks if the component is contained in the component hierarchy of this container. |
Component |
ContainerOrderFocusTraversalPolicy.getComponentAfter(Container focusCycleRoot,
Component aComponent)
Returns the Component that should receive the focus after aComponent. |
Component |
ContainerOrderFocusTraversalPolicy.getComponentBefore(Container focusCycleRoot,
Component aComponent)
Returns the Component that should receive the focus before aComponent. |
protected boolean |
ContainerOrderFocusTraversalPolicy.accept(Component aComponent)
Determines whether a Component is an acceptable choice as the new focus owner. |
void |
CardLayout.addLayoutComponent(Component comp,
Object constraints)
Adds the specified component to this card layout's internal table of names. |
void |
CardLayout.addLayoutComponent(String name,
Component comp)
Deprecated. replaced by addLayoutComponent(Component, Object) . |
void |
CardLayout.removeLayoutComponent(Component comp)
Removes the specified component from the layout. |
void |
BorderLayout.addLayoutComponent(Component comp,
Object constraints)
Adds the specified component to the layout, using the specified constraint object. |
void |
BorderLayout.addLayoutComponent(String name,
Component comp)
Deprecated. replaced by addLayoutComponent(Component, Object) . |
void |
BorderLayout.removeLayoutComponent(Component comp)
Removes the specified component from this border layout. |
Constructors in java.awt with parameters of type Component | |
MediaTracker(Component comp)
Creates a media tracker to track images for a given component. |
Uses of Component in java.awt.event |
Methods in java.awt.event that return Component | |
Component |
FocusEvent.getOppositeComponent()
Returns the other Component involved in this focus change. |
Component |
ContainerEvent.getChild()
Returns the component that was affected by the event. |
Component |
ComponentEvent.getComponent()
Returns the originator of the event. |
Constructors in java.awt.event with parameters of type Component | |
PaintEvent(Component source,
int id,
Rectangle updateRect)
Constructs a PaintEvent object with the specified
source component and type. |
|
MouseEvent(Component source,
int id,
long when,
int modifiers,
int x,
int y,
int clickCount,
boolean popupTrigger,
int button)
Constructs a MouseEvent object with the
specified source component,
type, modifiers, coordinates, and click count. |
|
MouseEvent(Component source,
int id,
long when,
int modifiers,
int x,
int y,
int clickCount,
boolean popupTrigger)
Constructs a MouseEvent object with the
specified source component,
type, modifiers, coordinates, and click count. |
|
KeyEvent(Component source,
int id,
long when,
int modifiers,
int keyCode,
char keyChar)
Constructs a KeyEvent object. |
|
KeyEvent(Component source,
int id,
long when,
int modifiers,
int keyCode)
Deprecated. as of JDK1.1 |
|
MouseWheelEvent(Component source,
int id,
long when,
int modifiers,
int x,
int y,
int clickCount,
boolean popupTrigger,
int scrollType,
int scrollAmount,
int wheelRotation)
Constructs a MouseWheelEvent object with the
specified source component, type, modifiers, coordinates,
scroll type, scroll amount, and wheel rotation. |
|
FocusEvent(Component source,
int id,
boolean temporary,
Component opposite)
Constructs a FocusEvent object with the
specified temporary state and opposite Component . |
|
FocusEvent(Component source,
int id,
boolean temporary)
Constructs a FocusEvent object and identifies
whether or not the change is temporary. |
|
FocusEvent(Component source,
int id)
Constructs a FocusEvent object and identifies it
as a permanent change in focus. |
|
InputMethodEvent(Component source,
int id,
long when,
AttributedCharacterIterator text,
int committedCharacterCount,
TextHitInfo caret,
TextHitInfo visiblePosition)
Constructs an InputMethodEvent with the specified
source component, type, time, text, caret, and visiblePosition. |
|
InputMethodEvent(Component source,
int id,
AttributedCharacterIterator text,
int committedCharacterCount,
TextHitInfo caret,
TextHitInfo visiblePosition)
Constructs an InputMethodEvent with the specified
source component, type, text, caret, and visiblePosition. |
|
InputMethodEvent(Component source,
int id,
TextHitInfo caret,
TextHitInfo visiblePosition)
Constructs an InputMethodEvent with the
specified source component, type, caret, and visiblePosition. |
|
ContainerEvent(Component source,
int id,
Component child)
Constructs a ContainerEvent object. |
|
ComponentEvent(Component source,
int id)
Constructs a ComponentEvent object. |
Uses of Component in java.awt.im |
Methods in java.awt.im with parameters of type Component | |
void |
InputContext.removeNotify(Component client)
Notifies the input context that a client component has been removed from its containment hierarchy, or that input method support has been disabled for the component. |
|
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