Window

java.lang.Object
- javafx.stage.Window

Direct Known Subclasses:

PopupWindow, Stage
```
public class Window
extends java.lang.Object
```
A top level window within which a scene is hosted, and with which the user interacts. A Window might be a Stage, PopupWindow, or other such top level window.
Window objects must be constructed and modified on the JavaFX Application Thread.

The JavaFX Application Thread is created as part of the startup process for the JavaFX runtime. See the javafx.application.Application class and the Platform#startup(Runnable) method for more information.

Since:

JavaFX 2.0

Property Summary

All Methods Instance Methods Concrete Methods
Type	Property and Description
`<any>`	`eventDispatcher` Specifies the event dispatcher for this node.
`ReadOnlyBooleanProperty`	`focused` Whether or not this `Window` has the keyboard or input focus.
`BooleanProperty`	`forceIntegerRenderScale` Boolean property that controls whether only integer render scales are set by default by the system when there is a change in the associated output scale.
`ReadOnlyDoubleProperty`	`height` The height of this `Window`.
`<any>`	`onCloseRequest` Called when there is an external request to close this `Window`.
`<any>`	`onHidden` Called just after the Window has been hidden.
`<any>`	`onHiding` Called just prior to the Window being hidden.
`<any>`	`onShowing` Called just prior to the Window being shown.
`<any>`	`onShown` Called just after the Window is shown.
`DoubleProperty`	`opacity` Defines the opacity of the `Window` as a value between 0.0 and 1.0.
`ReadOnlyDoubleProperty`	`outputScaleX` The scale that the `Window` will apply to horizontal scene coordinates in all stages of rendering and compositing the output to the screen or other destination device.
`ReadOnlyDoubleProperty`	`outputScaleY` The scale that the `Window` will apply to vertical scene coordinates in all stages of rendering and compositing the output to the screen or other destination device.
`DoubleProperty`	`renderScaleX` The horizontal scale that the `Window` will use when rendering its `Scene` to the rendering buffer.
`DoubleProperty`	`renderScaleY` The vertical scale that the `Window` will use when rendering its `Scene` to the rendering buffer.
`<any>`	`scene` The `Scene` to be rendered on this `Window`.
`ReadOnlyBooleanProperty`	`showing` Whether or not this `Window` is showing (that is, open on the user's system).
`ReadOnlyDoubleProperty`	`width` The width of this `Window`.
`ReadOnlyDoubleProperty`	`x` The horizontal location of this `Window` on the screen.
`ReadOnlyDoubleProperty`	`y` The vertical location of this `Window` on the screen.

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`private class`	`Window.SceneModel`
`private class`	`Window.TKBoundsConfigurator` Caches all requested bounds settings and applies them at once during the next pulse.

Field Summary

Fields
Modifier and Type	Field and Description
`(package private) java.security.AccessControlContext`	`acc`
`private static float`	`CENTER_ON_SCREEN_X_FRACTION`
`private static float`	`CENTER_ON_SCREEN_Y_FRACTION`
`private <any>`	`eventDispatcher` Specifies the event dispatcher for this node.
`private ReadOnlyBooleanWrapper`	`focused` Whether or not this `Window` has the keyboard or input focus.
`private int`	`focusGrabCounter`
`private BooleanProperty`	`forceIntegerRenderScale` Boolean property that controls whether only integer render scales are set by default by the system when there is a change in the associated output scale.
`(package private) boolean`	`hasBeenVisible`
`private ReadOnlyDoubleWrapper`	`height` The height of this `Window`.
`private boolean`	`heightExplicit`
`private WindowEventDispatcher`	`internalEventDispatcher`
`private <any>`	`onCloseRequest` Called when there is an external request to close this `Window`.
`private <any>`	`onHidden` Called just after the Window has been hidden.
`private <any>`	`onHiding` Called just prior to the Window being hidden.
`private <any>`	`onShowing` Called just prior to the Window being shown.
`private <any>`	`onShown` Called just after the Window is shown.
`private DoubleProperty`	`opacity` Defines the opacity of the `Window` as a value between 0.0 and 1.0.
`private ReadOnlyDoubleWrapper`	`outputScaleX` The scale that the `Window` will apply to horizontal scene coordinates in all stages of rendering and compositing the output to the screen or other destination device.
`private ReadOnlyDoubleWrapper`	`outputScaleY` The scale that the `Window` will apply to vertical scene coordinates in all stages of rendering and compositing the output to the screen or other destination device.
`private TKStage`	`peer`
`private Window.TKBoundsConfigurator`	`peerBoundsConfigurator`
`private WindowPeerListener`	`peerListener`
`private <any>`	`properties`
`private DoubleProperty`	`renderScaleX` The horizontal scale that the `Window` will use when rendering its `Scene` to the rendering buffer.
`private DoubleProperty`	`renderScaleY` The vertical scale that the `Window` will use when rendering its `Scene` to the rendering buffer.
`private Window.SceneModel`	`scene` The `Scene` to be rendered on this `Window`.
`private <any>`	`screen`
`private ReadOnlyBooleanWrapper`	`showing` Whether or not this `Window` is showing (that is, open on the user's system).
`private boolean`	`sizeToScene` Indicates if a user requested the window to be sized to match the scene size.
`private static <any>`	`unmodifiableWindows`
`private static java.lang.Object`	`USER_DATA_KEY` * * *
`private ReadOnlyDoubleWrapper`	`width` The width of this `Window`.
`private boolean`	`widthExplicit`
`private WindowHelper`	`windowHelper`
`private static <any>`	`windows` A list of all the currently _showing_ windows.
`private ReadOnlyDoubleWrapper`	`x` The horizontal location of this `Window` on the screen.
`private boolean`	`xExplicit`
`private ReadOnlyDoubleWrapper`	`y` The vertical location of this `Window` on the screen.
`private boolean`	`yExplicit`

Constructor Summary

Constructors
Modifier Constructor and Description

protected Window()

Constructors
Modifier	Constructor and Description
`protected`	`Window()`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`<T extends Event> void`	`addEventFilter(<any> eventType, <any> eventFilter)` Registers an event filter to this node.
`<T extends Event> void`	`addEventHandler(<any> eventType, <any> eventHandler)` Registers an event handler to this node.
`private void`	`adjustSize(boolean selfSizePriority)`
`(package private) void`	`applyBounds()`
`EventDispatchChain`	`buildEventDispatchChain(EventDispatchChain tail)` Construct an event dispatch chain for this window.
`void`	`centerOnScreen()` Sets x and y properties on this Window so that it is centered on the curent screen.
`(package private) WindowEventDispatcher`	`createInternalEventDispatcher()`
`(package private) void`	`decreaseFocusGrabCounter()`
`private void`	`doVisibleChanged(boolean visible)`
`private void`	`doVisibleChanging(boolean visible)`
`<any>`	`eventDispatcherProperty()` Specifies the event dispatcher for this node.
`void`	`fireEvent(Event event)` Fires the specified event.
`private void`	`focusChanged(boolean newIsFocused)`
`ReadOnlyBooleanProperty`	`focusedProperty()` Whether or not this `Window` has the keyboard or input focus.
`BooleanProperty`	`forceIntegerRenderScaleProperty()` Boolean property that controls whether only integer render scales are set by default by the system when there is a change in the associated output scale.
`EventDispatcher`	`getEventDispatcher()` Gets the value of the property eventDispatcher.
`double`	`getHeight()` Gets the value of the property height.
`(package private) WindowEventDispatcher`	`getInternalEventDispatcher()`
`<any>`	`getOnCloseRequest()` Gets the value of the property onCloseRequest.
`<any>`	`getOnHidden()` Gets the value of the property onHidden.
`<any>`	`getOnHiding()` Gets the value of the property onHiding.
`<any>`	`getOnShowing()` Gets the value of the property onShowing.
`<any>`	`getOnShown()` Gets the value of the property onShown.
`double`	`getOpacity()` Gets the value of the property opacity.
`double`	`getOutputScaleX()` Gets the value of the property outputScaleX.
`double`	`getOutputScaleY()` Gets the value of the property outputScaleY.
`(package private) TKStage`	`getPeer()`
`(package private) WindowPeerListener`	`getPeerListener()`
`<any>`	`getProperties()` Returns an observable map of properties on this node for use primarily by application developers.
`double`	`getRenderScaleX()` Gets the value of the property renderScaleX.
`double`	`getRenderScaleY()` Gets the value of the property renderScaleY.
`Scene`	`getScene()` Gets the value of the property scene.
`java.lang.Object`	`getUserData()` Returns a previously set Object property, or null if no such property has been set using the `setUserData(java.lang.Object)` method.
`double`	`getWidth()` Gets the value of the property width.
`(package private) Window`	`getWindowOwner()`
`static <any>`	`getWindows()` Returns a list containing a reference to the currently showing JavaFX windows.
`private Screen`	`getWindowScreen()`
`double`	`getX()` Gets the value of the property x.
`double`	`getY()` Gets the value of the property y.
`boolean`	`hasProperties()` Tests if Window has properties.
`ReadOnlyDoubleProperty`	`heightProperty()` The height of this `Window`.
`void`	`hide()` Attempts to hide this Window by setting the visibility to false.
`(package private) void`	`increaseFocusGrabCounter()`
`private void`	`initializeInternalEventDispatcher()`
`boolean`	`isFocused()` Gets the value of the property focused.
`boolean`	`isForceIntegerRenderScale()` Gets the value of the property forceIntegerRenderScale.
`boolean`	`isShowing()` Gets the value of the property showing.
`(package private) void`	`notifyLocationChanged(double newX, double newY)` Notification from the windowing system that the window's position has changed.
`private void`	`notifyScreenChanged(java.lang.Object from, java.lang.Object to)`
`(package private) void`	`notifySizeChanged(double newWidth, double newHeight)` Notification from the windowing system that the window's size has changed.
`<any>`	`onCloseRequestProperty()` Called when there is an external request to close this `Window`.
`<any>`	`onHiddenProperty()` Called just after the Window has been hidden.
`<any>`	`onHidingProperty()` Called just prior to the Window being hidden.
`<any>`	`onShowingProperty()` Called just prior to the Window being shown.
`<any>`	`onShownProperty()` Called just after the Window is shown.
`DoubleProperty`	`opacityProperty()` Defines the opacity of the `Window` as a value between 0.0 and 1.0.
`ReadOnlyDoubleProperty`	`outputScaleXProperty()` The scale that the `Window` will apply to horizontal scene coordinates in all stages of rendering and compositing the output to the screen or other destination device.
`ReadOnlyDoubleProperty`	`outputScaleYProperty()` The scale that the `Window` will apply to vertical scene coordinates in all stages of rendering and compositing the output to the screen or other destination device.
`<T extends Event> void`	`removeEventFilter(<any> eventType, <any> eventFilter)` Unregisters a previously registered event filter from this node.
`<T extends Event> void`	`removeEventHandler(<any> eventType, <any> eventHandler)` Unregisters a previously registered event handler from this node.
`DoubleProperty`	`renderScaleXProperty()` The horizontal scale that the `Window` will use when rendering its `Scene` to the rendering buffer.
`DoubleProperty`	`renderScaleYProperty()` The vertical scale that the `Window` will use when rendering its `Scene` to the rendering buffer.
`void`	`requestFocus()` Requests that this `Window` get the input focus.
`<any>`	`sceneProperty()` The `Scene` to be rendered on this `Window`.
`private <any>`	`screenProperty()`
`void`	`setEventDispatcher(EventDispatcher value)` Sets the value of the property eventDispatcher.
`protected <T extends Event> void`	`setEventHandler(<any> eventType, <any> eventHandler)` Sets the handler to use for this event type.
`(package private) void`	`setFocused(boolean value)`
`void`	`setForceIntegerRenderScale(boolean forced)` Sets the value of the property forceIntegerRenderScale.
`void`	`setHeight(double value)` Sets the value of the property height.
`void`	`setOnCloseRequest(<any> value)` Sets the value of the property onCloseRequest.
`void`	`setOnHidden(<any> value)` Sets the value of the property onHidden.
`void`	`setOnHiding(<any> value)` Sets the value of the property onHiding.
`void`	`setOnShowing(<any> value)` Sets the value of the property onShowing.
`void`	`setOnShown(<any> value)` Sets the value of the property onShown.
`void`	`setOpacity(double value)` Sets the value of the property opacity.
`(package private) void`	`setPeer(TKStage peer)`
`(package private) void`	`setPeerListener(WindowPeerListener peerListener)`
`void`	`setRenderScaleX(double scale)` Sets the value of the property renderScaleX.
`void`	`setRenderScaleY(double scale)` Sets the value of the property renderScaleY.
`protected void`	`setScene(Scene value)` Sets the value of the property scene.
`private void`	`setShowing(boolean value)`
`void`	`setUserData(java.lang.Object value)` Convenience method for setting a single Object property that can be retrieved at a later date.
`void`	`setWidth(double value)` Sets the value of the property width.
`void`	`setX(double value)` Sets the value of the property x.
`(package private) void`	`setXInternal(double value)`
`void`	`setY(double value)` Sets the value of the property y.
`(package private) void`	`setYInternal(double value)`
`protected void`	`show()` Attempts to show this Window by setting visibility to true
`ReadOnlyBooleanProperty`	`showingProperty()` Whether or not this `Window` is showing (that is, open on the user's system).
`void`	`sizeToScene()` Set the width and height of this Window to match the size of the content of this Window's Scene.
`private void`	`updateOutputScales(double sx, double sy)`
`(package private) void`	`updateRenderScales(double sx, double sy)`
`ReadOnlyDoubleProperty`	`widthProperty()` The width of this `Window`.
`ReadOnlyDoubleProperty`	`xProperty()` The horizontal location of this `Window` on the screen.
`ReadOnlyDoubleProperty`	`yProperty()` The vertical location of this `Window` on the screen.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Property Detail
  - outputScaleX
```
public final ReadOnlyDoubleProperty outputScaleXProperty
```
    The scale that the Window will apply to horizontal scene coordinates in all stages of rendering and compositing the output to the screen or other destination device. This property is updated asynchronously by the system at various times including:
    - Window creation
    - At some point during moving a window to a new Screen which may be before or after the Screen property is updated.
    - In response to a change in user preferences for output scaling.
    Since:
    
    9
    
    See Also:
    
    getOutputScaleX()
  - outputScaleY
```
public final ReadOnlyDoubleProperty outputScaleYProperty
```
    The scale that the Window will apply to vertical scene coordinates in all stages of rendering and compositing the output to the screen or other destination device. This property is updated asynchronously by the system at various times including:
    - Window creation
    - At some point during moving a window to a new Screen which may be before or after the Screen property is updated.
    - In response to a change in user preferences for output scaling.
    Since:
    
    9
    
    See Also:
    
    getOutputScaleY()
  - forceIntegerRenderScale
```
public final BooleanProperty forceIntegerRenderScaleProperty
```
    Boolean property that controls whether only integer render scales are set by default by the system when there is a change in the associated output scale. The renderScale properties will be updated directly and simultaneously with any changes in the associated outputScale properties, but the values can be overridden by subsequent calls to the setRenderScale setters or through appropriate use of binding. This property will not prevent setting non-integer scales directly using the renderScale property object or the convenience setter method.
    
    Since:
    
    9
    
    See Also:
    
    isForceIntegerRenderScale(), setForceIntegerRenderScale(boolean)
  - renderScaleX
```
public final DoubleProperty renderScaleXProperty
```
    The horizontal scale that the Window will use when rendering its Scene to the rendering buffer. This property is automatically updated whenever there is a change in the outpitScaleX property and can be overridden either by calling setRenderScaleX() in response to a listener on the outputScaleX property or by binding it appropriately.
    
    Since:
    
    9
    
    See Also:
    
    getRenderScaleX(), setRenderScaleX(double)
  - renderScaleY
```
public final DoubleProperty renderScaleYProperty
```
    The vertical scale that the Window will use when rendering its Scene to the rendering buffer. This property is automatically updated whenever there is a change in the outpitScaleY property and can be overridden either by calling setRenderScaleY() in response to a listener on the outputScaleY property or by binding it appropriately.
    
    Since:
    
    9
    
    See Also:
    
    getRenderScaleY(), setRenderScaleY(double)
  - x
```
public final ReadOnlyDoubleProperty xProperty
```
    The horizontal location of this Window on the screen. Changing this attribute will move the Window horizontally. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    
    See Also:
    
    getX(), setX(double)
  - y
```
public final ReadOnlyDoubleProperty yProperty
```
    The vertical location of this Window on the screen. Changing this attribute will move the Window vertically. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    
    See Also:
    
    getY(), setY(double)
  - width
```
public final ReadOnlyDoubleProperty widthProperty
```
    The width of this Window. Changing this attribute will narrow or widen the width of the Window. This value includes any and all decorations which may be added by the Operating System such as resizable frame handles. Typical applications will set the javafx.scene.Scene width instead. This Window will take its width from the scene if it has never been set by the application. Resizing the window by end user does not count as a setting the width by the application. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    The property is read only because it can be changed externally by the underlying platform and therefore must not be bindable.
    
    See Also:
    
    getWidth(), setWidth(double)
  - height
```
public final ReadOnlyDoubleProperty heightProperty
```
    The height of this Window. Changing this attribute will shrink or heighten the height of the Window. This value includes any and all decorations which may be added by the Operating System such as the title bar. Typical applications will set the javafx.scene.Scene height instead. This window will take its height from the scene if it has never been set by the application. Resizing this window by end user does not count as a setting the height by the application. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    The property is read only because it can be changed externally by the underlying platform and therefore must not be bindable.
    
    See Also:
    
    getHeight(), setHeight(double)
  - focused
```
public final ReadOnlyBooleanProperty focusedProperty
```
    Whether or not this Window has the keyboard or input focus.
    The property is read only because it can be changed externally by the underlying platform and therefore must not be bindable.
    
    See Also:
    
    isFocused()
  - scene
```
public final <any> sceneProperty
```
    The Scene to be rendered on this Window. There can only be one Scene on the Window at a time, and a Scene can only be on one Window at a time. Setting a Scene on a different Window will cause the old Window to lose the reference before the new one gains it. You may swap Scenes on a Window at any time, even if it is an instance of Stage and with fullScreen set to true. If the width or height of this Window have never been set by the application, setting the scene will cause this Window to take its width or height from that scene. Resizing this window by end user does not count as setting the width or height by the application. An IllegalStateException is thrown if this property is set on a thread other than the JavaFX Application Thread.
    
    See Also:
    
    getScene(), setScene(Scene)
  - opacity
```
public final DoubleProperty opacityProperty
```
    Defines the opacity of the Window as a value between 0.0 and 1.0. The opacity is reflected across the Window, its Decoration and its Scene content. On a JavaFX runtime platform that does not support opacity, assigning a value to this variable will have no visible difference. A Window with 0% opacity is fully translucent. Typically, a Window with 0% opacity will not receive any mouse events.
    
    See Also:
    
    getOpacity(), setOpacity(double)
  - onCloseRequest
```
public final <any> onCloseRequestProperty
```
    Called when there is an external request to close this Window. The installed event handler can prevent window closing by consuming the received event.
    
    See Also:
    
    getOnCloseRequest(), #setOnCloseRequest()
  - onShowing
```
public final <any> onShowingProperty
```
    Called just prior to the Window being shown.
    
    See Also:
    
    getOnShowing(), #setOnShowing()
  - onShown
```
public final <any> onShownProperty
```
    Called just after the Window is shown.
    
    See Also:
    
    getOnShown(), #setOnShown()
  - onHiding
```
public final <any> onHidingProperty
```
    Called just prior to the Window being hidden.
    
    See Also:
    
    getOnHiding(), #setOnHiding()
  - onHidden
```
public final <any> onHiddenProperty
```
    Called just after the Window has been hidden. When the Window is hidden, this event handler is invoked allowing the developer to clean up resources or perform other tasks when the Window is closed.
    
    See Also:
    
    getOnHidden(), #setOnHidden()
  - showing
```
public final ReadOnlyBooleanProperty showingProperty
```
    Whether or not this Window is showing (that is, open on the user's system). The Window might be "showing", yet the user might not be able to see it due to the Window being rendered behind another Window or due to the Window being positioned off the monitor.
    
    See Also:
    
    isShowing()
  - eventDispatcher
```
public final <any> eventDispatcherProperty
```
    Specifies the event dispatcher for this node. The default event dispatcher sends the received events to the registered event handlers and filters. When replacing the value with a new EventDispatcher, the new dispatcher should forward events to the replaced dispatcher to maintain the node's default event handling behavior.
    
    See Also:
    
    getEventDispatcher(), setEventDispatcher(EventDispatcher)
- Field Detail
  - windows
```
private static <any> windows
```
    A list of all the currently _showing_ windows. This is publicly accessible via the unmodifiableWindows wrapper.
  - unmodifiableWindows
```
private static <any> unmodifiableWindows
```
  - windowHelper
```
private WindowHelper windowHelper
```
  - acc
```
final java.security.AccessControlContext acc
```
  - peerListener
```
private WindowPeerListener peerListener
```
  - peer
```
private TKStage peer
```
  - peerBoundsConfigurator
```
private Window.TKBoundsConfigurator peerBoundsConfigurator
```
  - sizeToScene
```
private boolean sizeToScene
```
    Indicates if a user requested the window to be sized to match the scene size.
  - CENTER_ON_SCREEN_X_FRACTION
```
private static final float CENTER_ON_SCREEN_X_FRACTION
```
    See Also:
    
    Constant Field Values
  - CENTER_ON_SCREEN_Y_FRACTION
```
private static final float CENTER_ON_SCREEN_Y_FRACTION
```
    See Also:
    
    Constant Field Values
  - outputScaleX
```
private ReadOnlyDoubleWrapper outputScaleX
```
    The scale that the Window will apply to horizontal scene coordinates in all stages of rendering and compositing the output to the screen or other destination device. This property is updated asynchronously by the system at various times including:
    - Window creation
    - At some point during moving a window to a new Screen which may be before or after the Screen property is updated.
    - In response to a change in user preferences for output scaling.
    Since:
    
    9
    
    See Also:
    
    renderScaleXProperty()
  - outputScaleY
```
private ReadOnlyDoubleWrapper outputScaleY
```
    The scale that the Window will apply to vertical scene coordinates in all stages of rendering and compositing the output to the screen or other destination device. This property is updated asynchronously by the system at various times including:
    - Window creation
    - At some point during moving a window to a new Screen which may be before or after the Screen property is updated.
    - In response to a change in user preferences for output scaling.
    Since:
    
    9
    
    See Also:
    
    renderScaleYProperty()
  - forceIntegerRenderScale
```
private BooleanProperty forceIntegerRenderScale
```
    Boolean property that controls whether only integer render scales are set by default by the system when there is a change in the associated output scale. The renderScale properties will be updated directly and simultaneously with any changes in the associated outputScale properties, but the values can be overridden by subsequent calls to the setRenderScale setters or through appropriate use of binding. This property will not prevent setting non-integer scales directly using the renderScale property object or the convenience setter method.
    
    Since:
    
    9
    
    See Also:
    
    renderScaleXProperty(), renderScaleYProperty()
  - renderScaleX
```
private DoubleProperty renderScaleX
```
    The horizontal scale that the Window will use when rendering its Scene to the rendering buffer. This property is automatically updated whenever there is a change in the outpitScaleX property and can be overridden either by calling setRenderScaleX() in response to a listener on the outputScaleX property or by binding it appropriately.
    
    Since:
    
    9
    
    See Also:
    
    outputScaleXProperty(), forceIntegerRenderScaleProperty()
  - renderScaleY
```
private DoubleProperty renderScaleY
```
    The vertical scale that the Window will use when rendering its Scene to the rendering buffer. This property is automatically updated whenever there is a change in the outpitScaleY property and can be overridden either by calling setRenderScaleY() in response to a listener on the outputScaleY property or by binding it appropriately.
    
    Since:
    
    9
    
    See Also:
    
    outputScaleYProperty(), forceIntegerRenderScaleProperty()
  - xExplicit
```
private boolean xExplicit
```
  - x
```
private ReadOnlyDoubleWrapper x
```
    The horizontal location of this Window on the screen. Changing this attribute will move the Window horizontally. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
  - yExplicit
```
private boolean yExplicit
```
  - y
```
private ReadOnlyDoubleWrapper y
```
    The vertical location of this Window on the screen. Changing this attribute will move the Window vertically. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
  - widthExplicit
```
private boolean widthExplicit
```
  - width
```
private ReadOnlyDoubleWrapper width
```
    The width of this Window. Changing this attribute will narrow or widen the width of the Window. This value includes any and all decorations which may be added by the Operating System such as resizable frame handles. Typical applications will set the javafx.scene.Scene width instead. This Window will take its width from the scene if it has never been set by the application. Resizing the window by end user does not count as a setting the width by the application. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    The property is read only because it can be changed externally by the underlying platform and therefore must not be bindable.
  - heightExplicit
```
private boolean heightExplicit
```
  - height
```
private ReadOnlyDoubleWrapper height
```
    The height of this Window. Changing this attribute will shrink or heighten the height of the Window. This value includes any and all decorations which may be added by the Operating System such as the title bar. Typical applications will set the javafx.scene.Scene height instead. This window will take its height from the scene if it has never been set by the application. Resizing this window by end user does not count as a setting the height by the application. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    The property is read only because it can be changed externally by the underlying platform and therefore must not be bindable.
  - focused
```
private ReadOnlyBooleanWrapper focused
```
    Whether or not this Window has the keyboard or input focus.
    The property is read only because it can be changed externally by the underlying platform and therefore must not be bindable.
  - USER_DATA_KEY
```
private static final java.lang.Object USER_DATA_KEY
```
    * * *
  - properties
```
private <any> properties
```
  - scene
```
private Window.SceneModel scene
```
    The Scene to be rendered on this Window. There can only be one Scene on the Window at a time, and a Scene can only be on one Window at a time. Setting a Scene on a different Window will cause the old Window to lose the reference before the new one gains it. You may swap Scenes on a Window at any time, even if it is an instance of Stage and with fullScreen set to true. If the width or height of this Window have never been set by the application, setting the scene will cause this Window to take its width or height from that scene. Resizing this window by end user does not count as setting the width or height by the application. An IllegalStateException is thrown if this property is set on a thread other than the JavaFX Application Thread.
  - opacity
```
private DoubleProperty opacity
```
    Defines the opacity of the Window as a value between 0.0 and 1.0. The opacity is reflected across the Window, its Decoration and its Scene content. On a JavaFX runtime platform that does not support opacity, assigning a value to this variable will have no visible difference. A Window with 0% opacity is fully translucent. Typically, a Window with 0% opacity will not receive any mouse events.
  - onCloseRequest
```
private <any> onCloseRequest
```
    Called when there is an external request to close this Window. The installed event handler can prevent window closing by consuming the received event.
  - onShowing
```
private <any> onShowing
```
    Called just prior to the Window being shown.
  - onShown
```
private <any> onShown
```
    Called just after the Window is shown.
  - onHiding
```
private <any> onHiding
```
    Called just prior to the Window being hidden.
  - onHidden
```
private <any> onHidden
```
    Called just after the Window has been hidden. When the Window is hidden, this event handler is invoked allowing the developer to clean up resources or perform other tasks when the Window is closed.
  - showing
```
private ReadOnlyBooleanWrapper showing
```
    Whether or not this Window is showing (that is, open on the user's system). The Window might be "showing", yet the user might not be able to see it due to the Window being rendered behind another Window or due to the Window being positioned off the monitor.
  - hasBeenVisible
```
boolean hasBeenVisible
```
  - eventDispatcher
```
private <any> eventDispatcher
```
    Specifies the event dispatcher for this node. The default event dispatcher sends the received events to the registered event handlers and filters. When replacing the value with a new EventDispatcher, the new dispatcher should forward events to the replaced dispatcher to maintain the node's default event handling behavior.
  - internalEventDispatcher
```
private WindowEventDispatcher internalEventDispatcher
```
  - focusGrabCounter
```
private int focusGrabCounter
```
  - screen
```
private final <any> screen
```
- Constructor Detail
  - Window
```
protected Window()
```
- Method Detail
  - getWindows
```
public static <any> getWindows()
```
    Returns a list containing a reference to the currently showing JavaFX windows. The list is unmodifiable - attempting to modify this list will result in an UnsupportedOperationException being thrown at runtime.
    
    Returns:
    
    A list containing all windows that are currently showing.
    
    Since:
    
    9
  - getPeerListener
```
WindowPeerListener getPeerListener()
```
  - setPeerListener
```
void setPeerListener(WindowPeerListener peerListener)
```
  - getPeer
```
TKStage getPeer()
```
  - setPeer
```
void setPeer(TKStage peer)
```
  - sizeToScene
```
public void sizeToScene()
```
    Set the width and height of this Window to match the size of the content of this Window's Scene.
  - adjustSize
```
private void adjustSize(boolean selfSizePriority)
```
  - centerOnScreen
```
public void centerOnScreen()
```
    Sets x and y properties on this Window so that it is centered on the curent screen. The current screen is determined from the intersection of current window bounds and visual bounds of all screens.
  - updateOutputScales
```
private void updateOutputScales(double sx,
                                double sy)
```
  - updateRenderScales
```
void updateRenderScales(double sx,
                        double sy)
```
  - getOutputScaleX
```
public final double getOutputScaleX()
```
    Gets the value of the property outputScaleX.
    
    Since:
    
    9
  - outputScaleXProperty
```
public final ReadOnlyDoubleProperty outputScaleXProperty()
```
    The scale that the Window will apply to horizontal scene coordinates in all stages of rendering and compositing the output to the screen or other destination device. This property is updated asynchronously by the system at various times including:
    - Window creation
    - At some point during moving a window to a new Screen which may be before or after the Screen property is updated.
    - In response to a change in user preferences for output scaling.
    Since:
    
    9
    
    See Also:
    
    getOutputScaleX()
  - getOutputScaleY
```
public final double getOutputScaleY()
```
    Gets the value of the property outputScaleY.
    
    Since:
    
    9
  - outputScaleYProperty
```
public final ReadOnlyDoubleProperty outputScaleYProperty()
```
    The scale that the Window will apply to vertical scene coordinates in all stages of rendering and compositing the output to the screen or other destination device. This property is updated asynchronously by the system at various times including:
    - Window creation
    - At some point during moving a window to a new Screen which may be before or after the Screen property is updated.
    - In response to a change in user preferences for output scaling.
    Since:
    
    9
    
    See Also:
    
    getOutputScaleY()
  - setForceIntegerRenderScale
```
public final void setForceIntegerRenderScale(boolean forced)
```
    Sets the value of the property forceIntegerRenderScale.
    
    Since:
    
    9
  - isForceIntegerRenderScale
```
public final boolean isForceIntegerRenderScale()
```
    Gets the value of the property forceIntegerRenderScale.
    
    Since:
    
    9
  - forceIntegerRenderScaleProperty
```
public final BooleanProperty forceIntegerRenderScaleProperty()
```
    Boolean property that controls whether only integer render scales are set by default by the system when there is a change in the associated output scale. The renderScale properties will be updated directly and simultaneously with any changes in the associated outputScale properties, but the values can be overridden by subsequent calls to the setRenderScale setters or through appropriate use of binding. This property will not prevent setting non-integer scales directly using the renderScale property object or the convenience setter method.
    
    Since:
    
    9
    
    See Also:
    
    isForceIntegerRenderScale(), setForceIntegerRenderScale(boolean)
  - setRenderScaleX
```
public final void setRenderScaleX(double scale)
```
    Sets the value of the property renderScaleX.
    
    Since:
    
    9
  - getRenderScaleX
```
public final double getRenderScaleX()
```
    Gets the value of the property renderScaleX.
    
    Since:
    
    9
  - renderScaleXProperty
```
public final DoubleProperty renderScaleXProperty()
```
    The horizontal scale that the Window will use when rendering its Scene to the rendering buffer. This property is automatically updated whenever there is a change in the outpitScaleX property and can be overridden either by calling setRenderScaleX() in response to a listener on the outputScaleX property or by binding it appropriately.
    
    Since:
    
    9
    
    See Also:
    
    getRenderScaleX(), setRenderScaleX(double)
  - setRenderScaleY
```
public final void setRenderScaleY(double scale)
```
    Sets the value of the property renderScaleY.
    
    Since:
    
    9
  - getRenderScaleY
```
public final double getRenderScaleY()
```
    Gets the value of the property renderScaleY.
    
    Since:
    
    9
  - renderScaleYProperty
```
public final DoubleProperty renderScaleYProperty()
```
    The vertical scale that the Window will use when rendering its Scene to the rendering buffer. This property is automatically updated whenever there is a change in the outpitScaleY property and can be overridden either by calling setRenderScaleY() in response to a listener on the outputScaleY property or by binding it appropriately.
    
    Since:
    
    9
    
    See Also:
    
    getRenderScaleY(), setRenderScaleY(double)
  - setX
```
public final void setX(double value)
```
    Sets the value of the property x.
  - getX
```
public final double getX()
```
    Gets the value of the property x.
  - xProperty
```
public final ReadOnlyDoubleProperty xProperty()
```
    The horizontal location of this Window on the screen. Changing this attribute will move the Window horizontally. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    
    See Also:
    
    getX(), setX(double)
  - setXInternal
```
void setXInternal(double value)
```
  - setY
```
public final void setY(double value)
```
    Sets the value of the property y.
  - getY
```
public final double getY()
```
    Gets the value of the property y.
  - yProperty
```
public final ReadOnlyDoubleProperty yProperty()
```
    The vertical location of this Window on the screen. Changing this attribute will move the Window vertically. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    
    See Also:
    
    getY(), setY(double)
  - setYInternal
```
void setYInternal(double value)
```
  - notifyLocationChanged
```
void notifyLocationChanged(double newX,
                           double newY)
```
    Notification from the windowing system that the window's position has changed.
    
    Parameters:
    
    newX - the new window x position
    
    newY - the new window y position
  - setWidth
```
public final void setWidth(double value)
```
    Sets the value of the property width.
  - getWidth
```
public final double getWidth()
```
    Gets the value of the property width.
  - widthProperty
```
public final ReadOnlyDoubleProperty widthProperty()
```
    The width of this Window. Changing this attribute will narrow or widen the width of the Window. This value includes any and all decorations which may be added by the Operating System such as resizable frame handles. Typical applications will set the javafx.scene.Scene width instead. This Window will take its width from the scene if it has never been set by the application. Resizing the window by end user does not count as a setting the width by the application. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    The property is read only because it can be changed externally by the underlying platform and therefore must not be bindable.
    
    See Also:
    
    getWidth(), setWidth(double)
  - setHeight
```
public final void setHeight(double value)
```
    Sets the value of the property height.
  - getHeight
```
public final double getHeight()
```
    Gets the value of the property height.
  - heightProperty
```
public final ReadOnlyDoubleProperty heightProperty()
```
    The height of this Window. Changing this attribute will shrink or heighten the height of the Window. This value includes any and all decorations which may be added by the Operating System such as the title bar. Typical applications will set the javafx.scene.Scene height instead. This window will take its height from the scene if it has never been set by the application. Resizing this window by end user does not count as a setting the height by the application. If this Window is an instance of Stage, changing this attribute will not visually affect the Window while fullScreen is true, but will be honored by the Window once fullScreen becomes false.
    The property is read only because it can be changed externally by the underlying platform and therefore must not be bindable.
    
    See Also:
    
    getHeight(), setHeight(double)
  - notifySizeChanged
```
void notifySizeChanged(double newWidth,
                       double newHeight)
```
    Notification from the windowing system that the window's size has changed.
    
    Parameters:
    
    newWidth - the new window width
    
    newHeight - the new window height
  - setFocused
```
final void setFocused(boolean value)
```
  - requestFocus
```
public final void requestFocus()
```
    Requests that this Window get the input focus.
  - isFocused
```
public final boolean isFocused()
```
    Gets the value of the property focused.
  - focusedProperty
```
public final ReadOnlyBooleanProperty focusedProperty()
```
    Whether or not this Window has the keyboard or input focus.
    The property is read only because it can be changed externally by the underlying platform and therefore must not be bindable.
    
    See Also:
    
    isFocused()
  - getProperties
```
public final <any> getProperties()
```
    Returns an observable map of properties on this node for use primarily by application developers.
    
    Returns:
    
    an observable map of properties on this node for use primarily by application developers
    
    Since:
    
    JavaFX 8u40
  - hasProperties
```
public boolean hasProperties()
```
    Tests if Window has properties.
    
    Returns:
    
    true if node has properties.
    
    Since:
    
    JavaFX 8u40
  - setUserData
```
public void setUserData(java.lang.Object value)
```
    Convenience method for setting a single Object property that can be retrieved at a later date. This is functionally equivalent to calling the getProperties().put(Object key, Object value) method. This can later be retrieved by calling getUserData().
    
    Parameters:
    
    value - The value to be stored - this can later be retrieved by calling getUserData().
    
    Since:
    
    JavaFX 8u40
  - getUserData
```
public java.lang.Object getUserData()
```
    Returns a previously set Object property, or null if no such property has been set using the setUserData(java.lang.Object) method.
    
    Returns:
    
    The Object that was previously set, or null if no property has been set or if null was set.
    
    Since:
    
    JavaFX 8u40
  - setScene
```
protected void setScene(Scene value)
```
    Sets the value of the property scene.
  - getScene
```
public final Scene getScene()
```
    Gets the value of the property scene.
  - sceneProperty
```
public final <any> sceneProperty()
```
    The Scene to be rendered on this Window. There can only be one Scene on the Window at a time, and a Scene can only be on one Window at a time. Setting a Scene on a different Window will cause the old Window to lose the reference before the new one gains it. You may swap Scenes on a Window at any time, even if it is an instance of Stage and with fullScreen set to true. If the width or height of this Window have never been set by the application, setting the scene will cause this Window to take its width or height from that scene. Resizing this window by end user does not count as setting the width or height by the application. An IllegalStateException is thrown if this property is set on a thread other than the JavaFX Application Thread.
    
    See Also:
    
    getScene(), setScene(Scene)
  - setOpacity
```
public final void setOpacity(double value)
```
    Sets the value of the property opacity.
  - getOpacity
```
public final double getOpacity()
```
    Gets the value of the property opacity.
  - opacityProperty
```
public final DoubleProperty opacityProperty()
```
    Defines the opacity of the Window as a value between 0.0 and 1.0. The opacity is reflected across the Window, its Decoration and its Scene content. On a JavaFX runtime platform that does not support opacity, assigning a value to this variable will have no visible difference. A Window with 0% opacity is fully translucent. Typically, a Window with 0% opacity will not receive any mouse events.
    
    See Also:
    
    getOpacity(), setOpacity(double)
  - setOnCloseRequest
```
public final void setOnCloseRequest(<any> value)
```
    Sets the value of the property onCloseRequest.
  - getOnCloseRequest
```
public final <any> getOnCloseRequest()
```
    Gets the value of the property onCloseRequest.
  - onCloseRequestProperty
```
public final <any> onCloseRequestProperty()
```
    Called when there is an external request to close this Window. The installed event handler can prevent window closing by consuming the received event.
    
    See Also:
    
    getOnCloseRequest(), #setOnCloseRequest()
  - setOnShowing
```
public final void setOnShowing(<any> value)
```
    Sets the value of the property onShowing.
  - getOnShowing
```
public final <any> getOnShowing()
```
    Gets the value of the property onShowing.
  - onShowingProperty
```
public final <any> onShowingProperty()
```
    Called just prior to the Window being shown.
    
    See Also:
    
    getOnShowing(), #setOnShowing()
  - setOnShown
```
public final void setOnShown(<any> value)
```
    Sets the value of the property onShown.
  - getOnShown
```
public final <any> getOnShown()
```
    Gets the value of the property onShown.
  - onShownProperty
```
public final <any> onShownProperty()
```
    Called just after the Window is shown.
    
    See Also:
    
    getOnShown(), #setOnShown()
  - setOnHiding
```
public final void setOnHiding(<any> value)
```
    Sets the value of the property onHiding.
  - getOnHiding
```
public final <any> getOnHiding()
```
    Gets the value of the property onHiding.
  - onHidingProperty
```
public final <any> onHidingProperty()
```
    Called just prior to the Window being hidden.
    
    See Also:
    
    getOnHiding(), #setOnHiding()
  - setOnHidden
```
public final void setOnHidden(<any> value)
```
    Sets the value of the property onHidden.
  - getOnHidden
```
public final <any> getOnHidden()
```
    Gets the value of the property onHidden.
  - onHiddenProperty
```
public final <any> onHiddenProperty()
```
    Called just after the Window has been hidden. When the Window is hidden, this event handler is invoked allowing the developer to clean up resources or perform other tasks when the Window is closed.
    
    See Also:
    
    getOnHidden(), #setOnHidden()
  - setShowing
```
private void setShowing(boolean value)
```
  - isShowing
```
public final boolean isShowing()
```
    Gets the value of the property showing.
  - showingProperty
```
public final ReadOnlyBooleanProperty showingProperty()
```
    Whether or not this Window is showing (that is, open on the user's system). The Window might be "showing", yet the user might not be able to see it due to the Window being rendered behind another Window or due to the Window being positioned off the monitor.
    
    See Also:
    
    isShowing()
  - show
```
protected void show()
```
    Attempts to show this Window by setting visibility to true
    
    Throws:
    
    java.lang.IllegalStateException - if this method is called on a thread other than the JavaFX Application Thread.
  - hide
```
public void hide()
```
    Attempts to hide this Window by setting the visibility to false.
    
    Throws:
    
    java.lang.IllegalStateException - if this method is called on a thread other than the JavaFX Application Thread.
  - doVisibleChanging
```
private void doVisibleChanging(boolean visible)
```
  - doVisibleChanged
```
private void doVisibleChanged(boolean visible)
```
  - setEventDispatcher
```
public final void setEventDispatcher(EventDispatcher value)
```
    Sets the value of the property eventDispatcher.
  - getEventDispatcher
```
public final EventDispatcher getEventDispatcher()
```
    Gets the value of the property eventDispatcher.
  - eventDispatcherProperty
```
public final <any> eventDispatcherProperty()
```
    Specifies the event dispatcher for this node. The default event dispatcher sends the received events to the registered event handlers and filters. When replacing the value with a new EventDispatcher, the new dispatcher should forward events to the replaced dispatcher to maintain the node's default event handling behavior.
    
    See Also:
    
    getEventDispatcher(), setEventDispatcher(EventDispatcher)
  - addEventHandler
```
public final <T extends Event> void addEventHandler(<any> eventType,
                                                    <any> eventHandler)
```
    Registers an event handler to this node. The handler is called when the node receives an Event of the specified type during the bubbling phase of event delivery.
    
    Type Parameters:
    
    T - the specific event class of the handler
    
    Parameters:
    
    eventType - the type of the events to receive by the handler
    
    eventHandler - the handler to register
    
    Throws:
    
    java.lang.NullPointerException - if the event type or handler is null
  - removeEventHandler
```
public final <T extends Event> void removeEventHandler(<any> eventType,
                                                       <any> eventHandler)
```
    Unregisters a previously registered event handler from this node. One handler might have been registered for different event types, so the caller needs to specify the particular event type from which to unregister the handler.
    
    Type Parameters:
    
    T - the specific event class of the handler
    
    Parameters:
    
    eventType - the event type from which to unregister
    
    eventHandler - the handler to unregister
    
    Throws:
    
    java.lang.NullPointerException - if the event type or handler is null
  - addEventFilter
```
public final <T extends Event> void addEventFilter(<any> eventType,
                                                   <any> eventFilter)
```
    Registers an event filter to this node. The filter is called when the node receives an Event of the specified type during the capturing phase of event delivery.
    
    Type Parameters:
    
    T - the specific event class of the filter
    
    Parameters:
    
    eventType - the type of the events to receive by the filter
    
    eventFilter - the filter to register
    
    Throws:
    
    java.lang.NullPointerException - if the event type or filter is null
  - removeEventFilter
```
public final <T extends Event> void removeEventFilter(<any> eventType,
                                                      <any> eventFilter)
```
    Unregisters a previously registered event filter from this node. One filter might have been registered for different event types, so the caller needs to specify the particular event type from which to unregister the filter.
    
    Type Parameters:
    
    T - the specific event class of the filter
    
    Parameters:
    
    eventType - the event type from which to unregister
    
    eventFilter - the filter to unregister
    
    Throws:
    
    java.lang.NullPointerException - if the event type or filter is null
  - setEventHandler
```
protected final <T extends Event> void setEventHandler(<any> eventType,
                                                       <any> eventHandler)
```
    Sets the handler to use for this event type. There can only be one such handler specified at a time. This handler is guaranteed to be called first. This is used for registering the user-defined onFoo event handlers.
    
    Type Parameters:
    
    T - the specific event class of the handler
    
    Parameters:
    
    eventType - the event type to associate with the given eventHandler
    
    eventHandler - the handler to register, or null to unregister
    
    Throws:
    
    java.lang.NullPointerException - if the event type is null
  - getInternalEventDispatcher
```
WindowEventDispatcher getInternalEventDispatcher()
```
  - initializeInternalEventDispatcher
```
private void initializeInternalEventDispatcher()
```
  - createInternalEventDispatcher
```
WindowEventDispatcher createInternalEventDispatcher()
```
  - fireEvent
```
public final void fireEvent(Event event)
```
    Fires the specified event.
    This method must be called on the FX user thread.
    
    Parameters:
    
    event - the event to fire
  - buildEventDispatchChain
```
public EventDispatchChain buildEventDispatchChain(EventDispatchChain tail)
```
    Construct an event dispatch chain for this window.
    
    Parameters:
    
    tail - the initial chain to build from
    
    Returns:
    
    the resulting event dispatch chain for this window
  - increaseFocusGrabCounter
```
void increaseFocusGrabCounter()
```
  - decreaseFocusGrabCounter
```
void decreaseFocusGrabCounter()
```
  - focusChanged
```
private void focusChanged(boolean newIsFocused)
```
  - applyBounds
```
final void applyBounds()
```
  - getWindowOwner
```
Window getWindowOwner()
```
  - getWindowScreen
```
private Screen getWindowScreen()
```
  - screenProperty
```
private <any> screenProperty()
```
  - notifyScreenChanged
```
private void notifyScreenChanged(java.lang.Object from,
                                 java.lang.Object to)
```

Class Window

Property Summary

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Property Detail

outputScaleX

outputScaleY

forceIntegerRenderScale

renderScaleX

renderScaleY

x

y

width

height

focused

scene

opacity

onCloseRequest

onShowing

onShown

onHiding

onHidden

showing

eventDispatcher

Field Detail

windows

unmodifiableWindows

windowHelper

acc

peerListener

peer

peerBoundsConfigurator

sizeToScene

CENTER_ON_SCREEN_X_FRACTION

CENTER_ON_SCREEN_Y_FRACTION

outputScaleX

outputScaleY

forceIntegerRenderScale

renderScaleX

renderScaleY

xExplicit

x

yExplicit

y

widthExplicit

width

heightExplicit

height

focused

USER_DATA_KEY

properties

scene

opacity

onCloseRequest

onShowing

onShown

onHiding

onHidden

showing

hasBeenVisible

eventDispatcher

internalEventDispatcher

focusGrabCounter

screen

Constructor Detail

Window

Method Detail

getWindows

getPeerListener

setPeerListener

getPeer

setPeer

sizeToScene

adjustSize

centerOnScreen

updateOutputScales

updateRenderScales