Package org.fest.swing.awt

Class AWT

java.lang.Object
org.fest.swing.awt.AWT
public class AWT extends Object
Understands utility methods related to AWT.

  • Field Details

    • APPLET_APPLET_VIEWER_CLASS

      private static final String APPLET_APPLET_VIEWER_CLASS
      See Also:

    • ROOT_FRAME_CLASSNAME

      private static final String ROOT_FRAME_CLASSNAME

  • Constructor Details

    • AWT

      private AWT()

  • Method Details

    • isPointInScreenBoundaries

      public static boolean isPointInScreenBoundaries(JComponent c, Point p)
      Indicates whether the given point, relative to the given JComponent, is inside the screen boundaries.
      Parameters:
      c - the given JComponent.
      p - the point to verify.
      Returns:
      true if the point is inside the screen boundaries; false otherwise.
      Since:
      1.2

    • isPointInScreenBoundaries

      public static boolean isPointInScreenBoundaries(Point p)
      Indicates whether the given point is inside the screen boundaries.
      Parameters:
      p - the point to verify.
      Returns:
      true if the point is inside the screen boundaries; false otherwise.
      Since:
      1.2

    • ownerLessWindows

      public static Window[] ownerLessWindows()
      Returns an array of all Windows that have no owner. They include Frames and ownerless Dialogs and Windows.

      This method only works when using JDK 1.6 or later. For JDK 1.5, this method returns an empty array.

      Returns:
      an array of all Windows that have no owner.
      Since:
      1.2

    • translate

      @RunsInCurrentThread public static Point translate(Component c, int x, int y)
      Translates the given coordinates to the location on screen of the given Component.

      Note: This method is not executed in the event dispatch thread (EDT.) Clients are responsible for invoking this method in the EDT.

      Parameters:
      c - the given Component.
      x - X coordinate.
      y - Y coordinate.
      Returns:
      the translated coordinates.
      Since:
      1.1

    • visibleCenterOf

      @RunsInEDT public static Point visibleCenterOf(Component c)
      Returns a point at the center of the visible area of the given Component.
      Parameters:
      c - the given Component.
      Returns:
      a point at the center of the visible area of the given Component.

    • centerOf

      @RunsInCurrentThread public static Point centerOf(Component c)
      Returns a point at the center of the given Component.

      Note: This method is not executed in the event dispatch thread (EDT.) Clients are responsible for invoking this method in the EDT.

      Parameters:
      c - the given Component.
      Returns:
      a point at the center of the given Component.

    • centerOfVisibleRect

      @RunsInCurrentThread public static Point centerOfVisibleRect(JComponent c)
      Returns a point at the center of the visible rectangle of the given JComponent.

      Note: This method is not executed in the event dispatch thread (EDT.) Clients are responsible for invoking this method in the EDT.

      Parameters:
      c - the given JComponent.
      Returns:
      a point at the center of the visible rectangle of the given JComponent.

    • centerOf

      @RunsInCurrentThread public static Point centerOf(Rectangle r)
      Returns a point at the center of the given Rectangle.
      Parameters:
      r - the given Rectangle.
      Returns:
      a point at the center of the given Rectangle.

    • insetsFrom

      @RunsInCurrentThread public static Insets insetsFrom(Container c)
      Returns the insets of the given Container, or an empty one if no insets can be found.

      Note: This method is not executed in the event dispatch thread (EDT.) Clients are responsible for invoking this method in the EDT.

      Parameters:
      c - the given Container.
      Returns:
      the insets of the given Container, or an empty one if no insets can be found.

    • isAppletViewer

      public static boolean isAppletViewer(Component c)
      Returns true if the given component is an Applet viewer.
      Parameters:
      c - the component to check.
      Returns:
      true if the given component is an Applet viewer, false otherwise.

    • isSharedInvisibleFrame

      public static boolean isSharedInvisibleFrame(Component c)
      Returns whether the given component is the default Swing hidden frame.
      Parameters:
      c - the component to check.
      Returns:
      true if the given component is the default hidden frame, false otherwise.

    • isHeavyWeightPopup

      @RunsInCurrentThread public static boolean isHeavyWeightPopup(Component c)
      Returns whether the given Component is a heavy-weight pop-up, that is, a container for a JPopupMenu that is implemented with a heavy-weight component (usually a Window).
      Parameters:
      c - the given Component.
      Returns:
      true if the given Component is a heavy-weight pop-up; false otherwise.
      Since:
      1.2

    • obtainNameSafely

      @RunsInCurrentThread private static String obtainNameSafely(Component c)

    • invokerOf

      @RunsInCurrentThread public static Component invokerOf(Component c)
      Returns the invoker, if any, of the given Component; or null, if the Component is not on a pop-up of any sort.

      Note: This method is not executed in the event dispatch thread (EDT.) Clients are responsible for invoking this method in the EDT.

      Parameters:
      c - the given Component.
      Returns:
      the invoker, if any, of the given Component; or null, if the Component is not on a pop-up of any sort.

    • locationOnScreenOf

      @RunsInCurrentThread public static Point locationOnScreenOf(Component c)
      Safe version of Component.getLocationOnScreen(), which avoids lockup if an AWT pop-up menu is showing. The AWT pop-up holds the AWT tree lock when showing, which lock is required by getLocationOnScreen.

      Note: This method is not executed in the event dispatch thread (EDT.) Clients are responsible for invoking this method in the EDT.

      Parameters:
      c - the given Component.
      Returns:
      the a point specifying the Component's top-left corner in the screen's coordinate space, or null, if the Component is not showing on the screen.

    • popupOnPress

      public static boolean popupOnPress()
      Returns whether the platform registers a pop-up on mouse press.
      Returns:
      true if the platform registers a pop-up on mouse press, false otherwise.

    • popupMask

      public static int popupMask()
      Returns the InputEvent mask for the pop-up trigger button.
      Returns:
      the InputEvent mask for the pop-up trigger button.

    • isAWTTreeLockHeld

      public static boolean isAWTTreeLockHeld()
      Indicates whether the AWT Tree Lock is currently held.
      Returns:
      true if the AWT Tree Lock is currently held, false otherwise.