org.gnu.gtk
Class MenuItem

java.lang.Object
  |
  +--org.gnu.glib.GObject
        |
        +--org.gnu.gtk.GtkObject
              |
              +--org.gnu.gtk.Widget
                    |
                    +--org.gnu.gtk.Container
                          |
                          +--org.gnu.gtk.Bin
                                |
                                +--org.gnu.gtk.Item
                                      |
                                      +--org.gnu.gtk.MenuItem

Direct Known Subclasses:

CheckMenuItem, ImageMenuItem, SeparatorMenuItem, TearoffMenuItem

public class MenuItem

extends Item

The MenuItem widget and derived widgets are the only valid children for Menus. Their function is to correctly handle highlighting, alignment, events, and submenus.

Constructor Summary

MenuItem()
Construct a new menu item.

MenuItem(int handle)
Create a new MenuItem with a handle to a native resource returned from a call to the native libraries.

MenuItem(java.lang.String label, boolean hasMnemonic)
Construct a new menu item with the provided label.

Method Summary

void	addListener(MenuItemListener listener) Register an object to receive event notification.
void	emitActivate() Emits the "activate" signal on this MenuItem.
void	emitDeselect() Emits the "deselect" signal on this MenuItem.
java.lang.Class	getEventListenerClass(java.lang.String signal)
GtkEventType	getEventType(java.lang.String signal)
static Type	getType() Retrieve the runtime type used by the GLib library.
void	removeListener(MenuItemListener listener) Unregister an object that was receiving menuitem event notification.
void	removeSubmenu() Removes the widget's submenu.
void	setLeftJustified() MenuItem's are left justified by default.
void	setRightJustified() Sets whether the menu item appears to the right side of the menu bar.
void	setSubmenu(Menu submenu) Sets the submenu, or changes it.

Methods inherited from class org.gnu.gtk.Item

deselect, select, toggle

Methods inherited from class org.gnu.gtk.Bin

getChild

Methods inherited from class org.gnu.gtk.Container

add, addListener, getBorderWidth, getResizeMode, remove, removeListener, resizeChildren, setBorderWidth, setResizeMode

Methods inherited from class org.gnu.gtk.Widget

activate, addListener, addListener, addListener, addListener, addListener, addListener, createContext, createLayout, destroy, draw, drawArea, drawArea, getAccessible, getColormap, getContext, getModifierStyle, getName, getParent, getParentWindow, getPointer, getSensitive, getStyle, getToplevel, grabDefault, grabFocus, hasFocus, hide, hideAll, intersect, isAncestor, makeWidget, modifyStyle, popColormap, pushColormap, realize, removeListener, removeListener, removeListener, removeListener, removeListener, removeListener, reparent, setBackgroundColor, setBaseColor, setColormap, setDoubleBuffered, setDragDestination, setDragSource, setFont, setForegroundColor, setMinimumSize, setName, setNoDragDestination, setNoDragSource, setSensitive, setTextColor, shapeCombineMask, show, showAll

Methods inherited from class org.gnu.glib.GObject

addEventHandler, addEventHandler, addEventHandler, addEventHandler, addEventHandler, addEventHandler, equals, getData, getHandle, removeEventHandler, setData

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MenuItem

public MenuItem()

Construct a new menu item.

MenuItem

public MenuItem(int handle)

Create a new MenuItem with a handle to a native resource returned from a call to the native libraries.

Parameters:

handle - The handle that represents a pointer to a native resource.

MenuItem

public MenuItem(java.lang.String label,
                boolean hasMnemonic)

Construct a new menu item with the provided label.

Parameters:

label - The label to display in the menu item.

hasMnemonic - Indicates if the provided string contains mnemonics

Method Detail

setRightJustified

public void setRightJustified()

Sets whether the menu item appears to the right side of the menu bar. This was traditionally done for the Help menu, but is now considered a bad idea. (If the widget layout is reversed for a right to left language like Hebrew or Arabic, right-justified menu items appear at the left).

setLeftJustified

public void setLeftJustified()

MenuItem's are left justified by default. Use this method to change a MenuItem from right justified back to left justified.

setSubmenu

public void setSubmenu(Menu submenu)

Sets the submenu, or changes it.

Parameters:

submenu - The submenu.

removeSubmenu

public void removeSubmenu()

Removes the widget's submenu.

emitDeselect

public void emitDeselect()

Emits the "deselect" signal on this MenuItem.

emitActivate

public void emitActivate()

Emits the "activate" signal on this MenuItem.

getEventListenerClass

public java.lang.Class getEventListenerClass(java.lang.String signal)

Overrides:

getEventListenerClass in class Container

getEventType

public GtkEventType getEventType(java.lang.String signal)

Overrides:

getEventType in class Container

addListener

public void addListener(MenuItemListener listener)

Register an object to receive event notification.

Parameters:

listener - The object that has implemented the MenuItemListener interface that is to receive the menu item events.

removeListener

public void removeListener(MenuItemListener listener)

Unregister an object that was receiving menuitem event notification.

Parameters:

listener - The object that is to no longer receive menuitem events.

getType

public static Type getType()

Retrieve the runtime type used by the GLib library.