Uses of Class
java.awt.HeadlessException

Packages that use HeadlessException
Package
Description
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.dnd
Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.print
Provides classes and interfaces for a general printing API.
javax.print
Provides the principal classes and interfaces for the Java Print Service API.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.

  • Uses of HeadlessException in java.applet

    Constructors in java.applet that throw HeadlessException
    Modifier
    Constructor
    Description
     
    Applet()
    Deprecated.
    Constructs a new Applet.

  • Uses of HeadlessException in java.awt

    Methods in java.awt that throw HeadlessException
    Modifier and Type
    Method
    Description
    boolean
    Toolkit.areExtraMouseButtonsEnabled()
    Reports whether events from extra mouse buttons are allowed to be processed and posted into EventQueue.
    Cursor
    Toolkit.createCustomCursor​(Image cursor, Point hotSpot, String name)
    Creates a new custom cursor object.
    Dimension
    Toolkit.getBestCursorSize​(int preferredWidth, int preferredHeight)
    Returns the supported cursor dimension which is closest to the desired sizes.
    Point
    GraphicsEnvironment.getCenterPoint()
    Returns the Point where Windows should be centered.
    abstract ColorModel
    Toolkit.getColorModel()
    Determines the color model of this toolkit's screen.
    abstract GraphicsDevice
    GraphicsEnvironment.getDefaultScreenDevice()
    Returns the default screen GraphicsDevice.
    int
    Toolkit.getMaximumCursorColors()
    Returns the maximum number of colors the Toolkit supports in a custom cursor palette.
    Rectangle
    GraphicsEnvironment.getMaximumWindowBounds()
    Returns the maximum bounds for centered Windows.
    int
    Toolkit.getMenuShortcutKeyMask()
    Deprecated.
    It is recommended that extended modifier keys and Toolkit.getMenuShortcutKeyMaskEx() be used instead
    int
    Toolkit.getMenuShortcutKeyMaskEx()
    Determines which extended modifier key is the appropriate accelerator key for menu shortcuts.
    Point
    Component.getMousePosition()
    Returns the position of the mouse pointer in this Component's coordinate space if the Component is directly under the mouse pointer, otherwise returns null.
    Point
    Container.getMousePosition​(boolean allowChildren)
    Returns the position of the mouse pointer in this Container's coordinate space if the Container is under the mouse pointer, otherwise returns null.
    static int
    MouseInfo.getNumberOfButtons()
    Returns the number of buttons on the mouse.
    static PointerInfo
    MouseInfo.getPointerInfo()
    Returns a PointerInfo instance that represents the current location of the mouse pointer.
    abstract GraphicsDevice[]
    GraphicsEnvironment.getScreenDevices()
    Returns an array of all of the screen GraphicsDevice objects.
    Insets
    Toolkit.getScreenInsets​(GraphicsConfiguration gc)
    Gets the insets of the screen.
    abstract int
    Toolkit.getScreenResolution()
    Returns the screen resolution in dots-per-inch.
    abstract Dimension
    Toolkit.getScreenSize()
    Gets the size of the screen.
    abstract Clipboard
    Toolkit.getSystemClipboard()
    Gets the singleton instance of the system Clipboard which interfaces with clipboard facilities provided by the native platform.
    static Cursor
    Cursor.getSystemCustomCursor​(String name)
    Returns a system-specific custom cursor object matching the specified name.
    Clipboard
    Toolkit.getSystemSelection()
    Gets the singleton instance of the system selection as a Clipboard object.
    boolean
    Toolkit.isDynamicLayoutActive()
    Returns whether dynamic layout of Containers on resize is currently enabled on the underlying operating system and/or window manager.
    protected boolean
    Toolkit.isDynamicLayoutSet()
    Returns whether the layout of Containers is validated dynamically during resizing, or statically, after resizing is complete.
    boolean
    Toolkit.isFrameStateSupported​(int state)
    Returns whether Toolkit supports this state for Frames.
    protected void
    Toolkit.loadSystemColors​(int[] systemColors)
    Fills in the integer array that is supplied as an argument with the current system color values.
    abstract Map<TextAttribute,​?>
    Toolkit.mapInputMethodHighlight​(InputMethodHighlight highlight)
    Returns a map of visual attributes for the abstract level description of the given input method highlight, or null if no mapping is found.
    void
    Toolkit.setDynamicLayout​(boolean dynamic)
    Controls whether the layout of Containers is validated dynamically during resizing, or statically, after resizing is complete.
    Constructors in java.awt that throw HeadlessException
    Modifier
    Constructor
    Description
     
    Button()
    Constructs a button with an empty string for its label.
     
    Button​(String label)
    Constructs a button with the specified label.
     
    Checkbox()
    Creates a check box with an empty string for its label.
     
    Checkbox​(String label)
    Creates a check box with the specified label.
     
    Checkbox​(String label, boolean state)
    Creates a check box with the specified label and sets the specified state.
     
    Checkbox​(String label, boolean state, CheckboxGroup group)
    Constructs a Checkbox with the specified label, set to the specified state, and in the specified check box group.
     
    Checkbox​(String label, CheckboxGroup group, boolean state)
    Creates a check box with the specified label, in the specified check box group, and set to the specified state.
     
    CheckboxMenuItem()
    Create a check box menu item with an empty label.
     
    CheckboxMenuItem​(String label)
    Create a check box menu item with the specified label.
     
    CheckboxMenuItem​(String label, boolean state)
    Create a check box menu item with the specified label and state.
     
    Choice()
    Creates a new choice menu.
     
    Frame()
    Constructs a new instance of Frame that is initially invisible.
     
    Frame​(String title)
    Constructs a new, initially invisible Frame object with the specified title.
     
    Label()
    Constructs an empty label.
     
    Label​(String text)
    Constructs a new label with the specified string of text, left justified.
     
    Label​(String text, int alignment)
    Constructs a new label that presents the specified string of text with the specified alignment.
     
    List()
    Creates a new scrolling list.
     
    List​(int rows)
    Creates a new scrolling list initialized with the specified number of visible lines.
     
    List​(int rows, boolean multipleMode)
    Creates a new scrolling list initialized to display the specified number of rows.
     
    Menu()
    Constructs a new menu with an empty label.
     
    Menu​(String label)
    Constructs a new menu with the specified label.
     
    Menu​(String label, boolean tearOff)
    Constructs a new menu with the specified label, indicating whether the menu can be torn off.
     
    MenuBar()
    Creates a new menu bar.
     
    MenuComponent()
    Creates a MenuComponent.
     
    MenuItem()
    Constructs a new MenuItem with an empty label and no keyboard shortcut.
     
    MenuItem​(String label)
    Constructs a new MenuItem with the specified label and no keyboard shortcut.
     
    MenuItem​(String label, MenuShortcut s)
    Create a menu item with an associated keyboard shortcut.
     
    PopupMenu()
    Creates a new popup menu with an empty name.
     
    PopupMenu​(String label)
    Creates a new popup menu with the specified name.
     
    Scrollbar()
    Constructs a new vertical scroll bar.
     
    Scrollbar​(int orientation)
    Constructs a new scroll bar with the specified orientation.
     
    Scrollbar​(int orientation, int value, int visible, int minimum, int maximum)
    Constructs a new scroll bar with the specified orientation, initial value, visible amount, and minimum and maximum values.
     
    ScrollPane()
    Create a new scrollpane container with a scrollbar display policy of "as needed".
     
    ScrollPane​(int scrollbarDisplayPolicy)
    Create a new scrollpane container.
     
    TextArea()
    Constructs a new text area with the empty string as text.
     
    TextArea​(int rows, int columns)
    Constructs a new text area with the specified number of rows and columns and the empty string as text.
     
    TextArea​(String text)
    Constructs a new text area with the specified text.
     
    TextArea​(String text, int rows, int columns)
    Constructs a new text area with the specified text, and with the specified number of rows and columns.
     
    TextArea​(String text, int rows, int columns, int scrollbars)
    Constructs a new text area with the specified text, and with the rows, columns, and scroll bar visibility as specified.
     
    TextField()
    Constructs a new text field.
     
    TextField​(int columns)
    Constructs a new empty text field with the specified number of columns.
     
    TextField​(String text)
    Constructs a new text field initialized with the specified text.
     
    TextField​(String text, int columns)
    Constructs a new text field initialized with the specified text to be displayed, and wide enough to hold the specified number of columns.

  • Uses of HeadlessException in java.awt.dnd

    Constructors in java.awt.dnd that throw HeadlessException
    Modifier
    Constructor
    Description
     
    DragSource()
    Creates a new DragSource.
     
    DropTarget()
    Creates a DropTarget.
     
    DropTarget​(Component c, int ops, DropTargetListener dtl)
    Creates a DropTarget given the Component to associate itself with, an int representing the default acceptable action(s) to support, and a DropTargetListener to handle event processing.
     
    DropTarget​(Component c, int ops, DropTargetListener dtl, boolean act)
    Creates a DropTarget given the Component to associate itself with, an int representing the default acceptable action(s) to support, a DropTargetListener to handle event processing, and a boolean indicating if the DropTarget is currently accepting drops.
     
    DropTarget​(Component c, int ops, DropTargetListener dtl, boolean act, FlavorMap fm)
    Creates a new DropTarget given the Component to associate itself with, an int representing the default acceptable action(s) to support, a DropTargetListener to handle event processing, a boolean indicating if the DropTarget is currently accepting drops, and a FlavorMap to use (or null for the default FlavorMap).
     
    DropTarget​(Component c, DropTargetListener dtl)
    Creates a DropTarget given the Component to associate itself with, and the DropTargetListener to handle event processing.

  • Uses of HeadlessException in java.awt.print

    Methods in java.awt.print that throw HeadlessException
    Modifier and Type
    Method
    Description
    abstract PageFormat
    PrinterJob.pageDialog​(PageFormat page)
    Displays a dialog that allows modification of a PageFormat instance.
    PageFormat
    PrinterJob.pageDialog​(PrintRequestAttributeSet attributes)
    A convenience method which displays a cross-platform page setup dialog.
    abstract boolean
    PrinterJob.printDialog()
    Presents a dialog to the user for changing the properties of the print job.
    boolean
    PrinterJob.printDialog​(PrintRequestAttributeSet attributes)
    A convenience method which displays a cross-platform print dialog for all services which are capable of printing 2D graphics using the Pageable interface.

  • Uses of HeadlessException in javax.print

    Methods in javax.print that throw HeadlessException
    Modifier and Type
    Method
    Description
    static PrintService
    ServiceUI.printDialog​(GraphicsConfiguration gc, int x, int y, PrintService[] services, PrintService defaultService, DocFlavor flavor, PrintRequestAttributeSet attributes)
    Presents a dialog to the user for selecting a print service (printer).

  • Uses of HeadlessException in javax.swing

    Methods in javax.swing that throw HeadlessException
    Modifier and Type
    Method
    Description
    static JDialog
    JColorChooser.createDialog​(Component c, String title, boolean modal, JColorChooser chooserPane, ActionListener okListener, ActionListener cancelListener)
    Creates and returns a new dialog containing the specified ColorChooser pane along with "OK", "Cancel", and "Reset" buttons.
    protected JDialog
    JFileChooser.createDialog​(Component parent)
    Creates and returns a new JDialog wrapping this centered on the parent in the parent's frame.
    JDialog
    JOptionPane.createDialog​(Component parentComponent, String title)
    Creates and returns a new JDialog wrapping this centered on the parentComponent in the parentComponent's frame.
    JDialog
    JOptionPane.createDialog​(String title)
    Creates and returns a new parentless JDialog with the specified title.
    static Frame
    JOptionPane.getFrameForComponent​(Component parentComponent)
    Returns the specified component's Frame.
    static Frame
    JOptionPane.getRootFrame()
    Returns the Frame to use for the class methods in which a frame is not provided.
    boolean
    JTable.print​(JTable.PrintMode printMode, MessageFormat headerFormat, MessageFormat footerFormat, boolean showPrintDialog, PrintRequestAttributeSet attr, boolean interactive)
    Prints this table, as specified by the fully featured print method, with the default printer specified as the print service.
    boolean
    JTable.print​(JTable.PrintMode printMode, MessageFormat headerFormat, MessageFormat footerFormat, boolean showPrintDialog, PrintRequestAttributeSet attr, boolean interactive, PrintService service)
    Prints this JTable.
    static int
    JOptionPane.showConfirmDialog​(Component parentComponent, Object message)
    Brings up a dialog with the options Yes, No and Cancel; with the title, Select an Option.
    static int
    JOptionPane.showConfirmDialog​(Component parentComponent, Object message, String title, int optionType)
    Brings up a dialog where the number of choices is determined by the optionType parameter.
    static int
    JOptionPane.showConfirmDialog​(Component parentComponent, Object message, String title, int optionType, int messageType)
    Brings up a dialog where the number of choices is determined by the optionType parameter, where the messageType parameter determines the icon to display.
    static int
    JOptionPane.showConfirmDialog​(Component parentComponent, Object message, String title, int optionType, int messageType, Icon icon)
    Brings up a dialog with a specified icon, where the number of choices is determined by the optionType parameter.
    static Color
    JColorChooser.showDialog​(Component component, String title, Color initialColor)
    Shows a modal color-chooser dialog and blocks until the dialog is hidden.
    static Color
    JColorChooser.showDialog​(Component component, String title, Color initialColor, boolean colorTransparencySelectionEnabled)
    Shows a modal color-chooser dialog and blocks until the dialog is hidden.
    int
    JFileChooser.showDialog​(Component parent, String approveButtonText)
    Pops a custom file chooser dialog with a custom approve button.
    static String
    JOptionPane.showInputDialog​(Component parentComponent, Object message)
    Shows a question-message dialog requesting input from the user parented to parentComponent.
    static String
    JOptionPane.showInputDialog​(Component parentComponent, Object message, String title, int messageType)
    Shows a dialog requesting input from the user parented to parentComponent with the dialog having the title title and message type messageType.
    static Object
    JOptionPane.showInputDialog​(Component parentComponent, Object message, String title, int messageType, Icon icon, Object[] selectionValues, Object initialSelectionValue)
    Prompts the user for input in a blocking dialog where the initial selection, possible selections, and all other options can be specified.
    static String
    JOptionPane.showInputDialog​(Object message)
    Shows a question-message dialog requesting input from the user.
    static void
    JOptionPane.showMessageDialog​(Component parentComponent, Object message)
    Brings up an information-message dialog titled "Message".
    static void
    JOptionPane.showMessageDialog​(Component parentComponent, Object message, String title, int messageType)
    Brings up a dialog that displays a message using a default icon determined by the messageType parameter.
    static void
    JOptionPane.showMessageDialog​(Component parentComponent, Object message, String title, int messageType, Icon icon)
    Brings up a dialog displaying a message, specifying all parameters.
    int
    JFileChooser.showOpenDialog​(Component parent)
    Pops up an "Open File" file chooser dialog.
    static int
    JOptionPane.showOptionDialog​(Component parentComponent, Object message, String title, int optionType, int messageType, Icon icon, Object[] options, Object initialValue)
    Brings up a dialog with a specified icon, where the initial choice is determined by the initialValue parameter and the number of choices is determined by the optionType parameter.
    int
    JFileChooser.showSaveDialog​(Component parent)
    Pops up a "Save File" file chooser dialog.
    Constructors in javax.swing that throw HeadlessException
    Modifier
    Constructor
    Description
     
    JApplet()
    Deprecated.
    Creates a swing applet instance.
     
    JFrame()
    Constructs a new frame that is initially invisible.
     
    JFrame​(String title)
    Creates a new, initially invisible Frame with the specified title.