Uses of Class
java.awt.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 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 intoEventQueue
.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 screenGraphicsDevice
.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 andToolkit.getMenuShortcutKeyMaskEx()
be used insteadint
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 thisComponent
's coordinate space if theComponent
is directly under the mouse pointer, otherwise returnsnull
.Point
Container. getMousePosition(boolean allowChildren)
Returns the position of the mouse pointer in thisContainer
's coordinate space if theContainer
is under the mouse pointer, otherwise returnsnull
.static int
MouseInfo. getNumberOfButtons()
Returns the number of buttons on the mouse.static PointerInfo
MouseInfo. getPointerInfo()
Returns aPointerInfo
instance that represents the current location of the mouse pointer.abstract GraphicsDevice[]
GraphicsEnvironment. getScreenDevices()
Returns an array of all of the screenGraphicsDevice
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 aClipboard
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 forFrame
s.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 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 ofFrame
that is initially invisible.Frame(String title)
Constructs a new, initially invisibleFrame
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 aMenuComponent
.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 Constructor Description DragSource()
Creates a newDragSource
.DropTarget()
Creates aDropTarget
.DropTarget(Component c, int ops, DropTargetListener dtl)
Creates aDropTarget
given theComponent
to associate itself with, anint
representing the default acceptable action(s) to support, and aDropTargetListener
to handle event processing.DropTarget(Component c, int ops, DropTargetListener dtl, boolean act)
Creates aDropTarget
given theComponent
to associate itself with, anint
representing the default acceptable action(s) to support, aDropTargetListener
to handle event processing, and aboolean
indicating if theDropTarget
is currently accepting drops.DropTarget(Component c, int ops, DropTargetListener dtl, boolean act, FlavorMap fm)
Creates a new DropTarget given theComponent
to associate itself with, anint
representing the default acceptable action(s) to support, aDropTargetListener
to handle event processing, aboolean
indicating if theDropTarget
is currently accepting drops, and aFlavorMap
to use (or null for the defaultFlavorMap
).DropTarget(Component c, DropTargetListener dtl)
Creates aDropTarget
given theComponent
to associate itself with, and theDropTargetListener
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 aPageFormat
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 thePageable
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 specifiedColorChooser
pane along with "OK", "Cancel", and "Reset" buttons.protected JDialog
JFileChooser. createDialog(Component parent)
Creates and returns a newJDialog
wrappingthis
centered on theparent
in theparent
's frame.JDialog
JOptionPane. createDialog(Component parentComponent, String title)
Creates and returns a newJDialog
wrappingthis
centered on theparentComponent
in theparentComponent
's frame.JDialog
JOptionPane. createDialog(String title)
Creates and returns a new parentlessJDialog
with the specified title.static Frame
JOptionPane. getFrameForComponent(Component parentComponent)
Returns the specified component'sFrame
.static Frame
JOptionPane. getRootFrame()
Returns theFrame
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 featuredprint
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 thisJTable
.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 theoptionType
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 theoptionType
parameter, where themessageType
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 theoptionType
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 toparentComponent
.static String
JOptionPane. showInputDialog(Component parentComponent, Object message, String title, int messageType)
Shows a dialog requesting input from the user parented toparentComponent
with the dialog having the titletitle
and message typemessageType
.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 themessageType
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 theinitialValue
parameter and the number of choices is determined by theoptionType
parameter.int
JFileChooser. showSaveDialog(Component parent)
Pops up a "Save File" file chooser dialog.Constructors in javax.swing that throw HeadlessException 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 invisibleFrame
with the specified title.