com.google.gwt.user.client

## Class Window

- java.lang.Object
- - com.google.gwt.user.client.Window

-     public class Window
      extends java.lang.Object

  This class provides access to the browser window's methods, properties, and events.

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `Window.ClosingEvent` Fired just before the browser window closes or navigates to a different site.
    `static interface` | `Window.ClosingHandler` Handler for `Window.ClosingEvent` events.
    `static class` | `Window.Location` This class provides access to the browser's location's object.
    `static class` | `Window.Navigator` This class provides access to the browser's navigator object.
    `static class` | `Window.ScrollEvent` Fired when the browser window is scrolled.
    `static interface` | `Window.ScrollHandler` Handler for `Window.ScrollEvent` events.

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `(package private) static com.google.gwt.user.client.Window.WindowHandlers` | `handlers`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static HandlerRegistration` | `addCloseHandler(CloseHandler<Window> handler)` Adds a `CloseEvent` handler.
    `static HandlerRegistration` | `addResizeHandler(ResizeHandler handler)` Adds a `ResizeEvent` handler.
    `static void` | `addWindowCloseListener(WindowCloseListener listener)` Deprecated. use `addWindowClosingHandler(ClosingHandler)` and `addCloseHandler(CloseHandler)` instead
    `static HandlerRegistration` | `addWindowClosingHandler(Window.ClosingHandler handler)` Adds a `Window.ClosingEvent` handler.
    `static void` | `addWindowResizeListener(WindowResizeListener listener)` Deprecated. use `addResizeHandler(ResizeHandler)` instead
    `static HandlerRegistration` | `addWindowScrollHandler(Window.ScrollHandler handler)` Adds a `Window.ScrollEvent` handler.
    `static void` | `addWindowScrollListener(WindowScrollListener listener)` Deprecated. use `addWindowScrollHandler(ScrollHandler)` instead
    `static void` | `alert(java.lang.String msg)` Displays a message in a modal dialog box.
    `static boolean` | `confirm(java.lang.String msg)` Displays a message in a modal dialog box, along with the standard 'OK' and 'Cancel' buttons.
    `static void` | `enableScrolling(boolean enable)` Use this method to explicitly disable the window's scrollbars.
    `static int` | `getClientHeight()` Gets the height of the browser window's client area excluding the scroll bar.
    `static int` | `getClientWidth()` Gets the width of the browser window's client area excluding the vertical scroll bar.
    `static int` | `getScrollLeft()` Gets the window's scroll left.
    `static int` | `getScrollTop()` Get the window's scroll top.
    `static java.lang.String` | `getTitle()` Gets the browser window's current title.
    `static void` | `moveBy(int dx, int dy)` Moves a window's left and top edge to a specified number of pixels relative to its current coordinates.
    `static void` | `moveTo(int x, int y)` Moves a window's left and top edge to the specified coordinates.
    `(package private) static void` | `onClosed()`
    `(package private) static java.lang.String` | `onClosing()`
    `(package private) static void` | `onResize()`
    `(package private) static void` | `onScroll()`
    `static void` | `open(java.lang.String url, java.lang.String name, java.lang.String features)` Opens a new browser window.
    `static void` | `print()` Prints the document in the window, as if the user had issued a "Print" command.
    `static java.lang.String` | `prompt(java.lang.String msg, java.lang.String initialValue)` Displays a request for information in a modal dialog box, along with the standard 'OK' and 'Cancel' buttons.
    `static void` | `removeWindowCloseListener(WindowCloseListener listener)` Deprecated.
    `static void` | `removeWindowResizeListener(WindowResizeListener listener)` Deprecated.
    `static void` | `removeWindowScrollListener(WindowScrollListener listener)` Deprecated.
    `static void` | `resizeBy(int width, int height)` Resizes the window by the specified width and height.
    `static void` | `resizeTo(int width, int height)` Resizes the window to the specified width and height.
    `static void` | `scrollTo(int left, int top)` Scroll the window to the specified position.
    `static void` | `setMargin(java.lang.String size)` Sets the size of the margins used within the window's client area.
    `static void` | `setStatus(java.lang.String status)` Sets the status text for the window, if permitted by the browser's settings.
    `static void` | `setTitle(java.lang.String title)` Sets the browser window's title.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### handlers

          static com.google.gwt.user.client.Window.WindowHandlers handlers

  - ### Method Detail

    - #### addCloseHandler

          public static HandlerRegistration addCloseHandler(CloseHandler<Window> handler)

      Adds a `CloseEvent` handler.
      Parameters:
        `handler` - the handler
      Returns:
        returns the handler registration

    - #### addResizeHandler

          public static HandlerRegistration addResizeHandler(ResizeHandler handler)

      Adds a `ResizeEvent` handler.
      Parameters:
        `handler` - the handler
      Returns:
        returns the handler registration

    - #### addWindowCloseListener

          @Deprecated
          public static void addWindowCloseListener(WindowCloseListener listener)

      Deprecated. use `addWindowClosingHandler(ClosingHandler)` and `addCloseHandler(CloseHandler)` instead
      Adds a listener to receive window closing events.
      Parameters:
        `listener` - the listener to be informed when the window is closing

    - #### addWindowClosingHandler

          public static HandlerRegistration addWindowClosingHandler(Window.ClosingHandler handler)

      Adds a `Window.ClosingEvent` handler.
      Parameters:
        `handler` - the handler
      Returns:
        returns the handler registration

    - #### addWindowResizeListener

          @Deprecated
          public static void addWindowResizeListener(WindowResizeListener listener)

      Deprecated. use `addResizeHandler(ResizeHandler)` instead
      Adds a listener to receive window resize events.
      Parameters:
        `listener` - the listener to be informed when the window is resized

    - #### addWindowScrollHandler

          public static HandlerRegistration addWindowScrollHandler(Window.ScrollHandler handler)

      Adds a `Window.ScrollEvent` handler.
      Parameters:
        `handler` - the handler
      Returns:
        returns the handler registration

    - #### addWindowScrollListener

          @Deprecated
          public static void addWindowScrollListener(WindowScrollListener listener)

      Deprecated. use `addWindowScrollHandler(ScrollHandler)` instead
      Adds a listener to receive window scroll events.
      Parameters:
        `listener` - the listener to be informed when the window is scrolled

    - #### alert

          public static void alert(java.lang.String msg)

      Displays a message in a modal dialog box.
      Parameters:
        `msg` - the message to be displayed.

    - #### confirm

          public static boolean confirm(java.lang.String msg)

      Displays a message in a modal dialog box, along with the standard 'OK' and 'Cancel' buttons.
      Parameters:
        `msg` - the message to be displayed.
      Returns:
        `true` if 'OK' is clicked, `false` if 'Cancel' is clicked.

    - #### enableScrolling

          public static void enableScrolling(boolean enable)

      Use this method to explicitly disable the window's scrollbars. Applications that choose to resize their user-interfaces to fit within the window's client area will normally want to disable window scrolling.
      Parameters:
        `enable` - `false` to disable window scrolling

    - #### getClientHeight

          public static int getClientHeight()

      Gets the height of the browser window's client area excluding the scroll bar.
      Returns:
        the window's client height

    - #### getClientWidth

          public static int getClientWidth()

      Gets the width of the browser window's client area excluding the vertical scroll bar.
      Returns:
        the window's client width

    - #### getScrollLeft

          public static int getScrollLeft()

      Gets the window's scroll left.
      Returns:
        window's scroll left

    - #### getScrollTop

          public static int getScrollTop()

      Get the window's scroll top.
      Returns:
        the window's scroll top

    - #### getTitle

          public static java.lang.String getTitle()

      Gets the browser window's current title.
      Returns:
        the window's title.

    - #### moveBy

          public static void moveBy(int dx,
                    int dy)

      Moves a window's left and top edge to a specified number of pixels relative to its current coordinates.

      NOTE: In Chrome, this method only works with windows created by Window.open().

      Parameters:
        `dx` - A positive or a negative number that specifies how many pixels to move the left edge by
        `dy` - A positive or a negative number that specifies how many pixels to move the top edge by

    - #### moveTo

          public static void moveTo(int x,
                    int y)

      Moves a window's left and top edge to the specified coordinates.

      NOTE: In Chrome, this method only works with windows created by Window.open().

      Parameters:
        `x` - The left coordinate
        `y` - The top coordinate

    - #### open

          public static void open(java.lang.String url,
                  java.lang.String name,
                  java.lang.String features)

      Opens a new browser window. The "name" and "features" arguments are specified here.
      Parameters:
        `url` - the URL that the new window will display
        `name` - the name of the window (e.g. "_blank")
        `features` - the features to be enabled/disabled on this window

    - #### print

          public static void print()

      Prints the document in the window, as if the user had issued a "Print" command.

    - #### prompt

          public static java.lang.String prompt(java.lang.String msg,
                                java.lang.String initialValue)

      Displays a request for information in a modal dialog box, along with the standard 'OK' and 'Cancel' buttons.
      Parameters:
        `msg` - the message to be displayed
        `initialValue` - the initial value in the dialog's text field
      Returns:
        the value entered by the user if 'OK' was pressed, or `null` if 'Cancel' was pressed

    - #### removeWindowCloseListener

          @Deprecated
          public static void removeWindowCloseListener(WindowCloseListener listener)

      Deprecated.
      Removes a window closing listener.
      Parameters:
        `listener` - the listener to be removed

    - #### removeWindowResizeListener

          @Deprecated
          public static void removeWindowResizeListener(WindowResizeListener listener)

      Deprecated.
      Removes a window resize listener.
      Parameters:
        `listener` - the listener to be removed

    - #### removeWindowScrollListener

          @Deprecated
          public static void removeWindowScrollListener(WindowScrollListener listener)

      Deprecated.
      Removes a window scroll listener.
      Parameters:
        `listener` - the listener to be removed

    - #### resizeBy

          public static void resizeBy(int width,
                      int height)

      Resizes the window by the specified width and height. This method moves the bottom right corner of the window by the specified number of pixels defined. The top left corner will not be moved (it stays in its original coordinates).

      NOTE: In most modern browsers, this method only works with windows created by Window.open() with a supplied width and height.

      Parameters:
        `width` - A positive or a negative number that specifies how many pixels to resize the width by
        `height` - A positive or a negative number that specifies how many pixels to resize the height by

    - #### resizeTo

          public static void resizeTo(int width,
                      int height)

      Resizes the window to the specified width and height.

      NOTE: In most modern browsers, this method only works with windows created by Window.open() with a supplied width and height.

      Parameters:
        `width` - The width of the window, in pixels
        `height` - The height of the window, in pixels

    - #### scrollTo

          public static void scrollTo(int left,
                      int top)

      Scroll the window to the specified position.
      Parameters:
        `left` - the left scroll position
        `top` - the top scroll position

    - #### setMargin

          public static void setMargin(java.lang.String size)

      Sets the size of the margins used within the window's client area. It is sometimes necessary to do this because some browsers, such as Internet Explorer, add margins by default, which can confound attempts to resize panels to fit exactly within the window.
      Parameters:
        `size` - the window's new margin size, in CSS units.

    - #### setStatus

          public static void setStatus(java.lang.String status)

      Sets the status text for the window, if permitted by the browser's settings.
      Parameters:
        `status` - the new message to display.

    - #### setTitle

          public static void setTitle(java.lang.String title)

      Sets the browser window's title.
      Parameters:
        `title` - the new window title.

    - #### onClosed

          static void onClosed()

    - #### onClosing

          static java.lang.String onClosing()

    - #### onResize

          static void onResize()

    - #### onScroll

          static void onScroll()