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org.eclipse.swt.widgets
Class Control  

java.lang.Object
  org.eclipse.swt.widgets.Widget
      org.eclipse.swt.widgets.Control

All Implemented Interfaces:

org.eclipse.swt.graphics.Drawable

Direct Known Subclasses:

Button, Label, ProgressBar, Sash, Scale, Scrollable, Slider

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public abstract class Control

extends Widget

implements org.eclipse.swt.graphics.Drawable

Control is the abstract superclass of all windowed user interface classes.

Styles:

BORDER

LEFT_TO_RIGHT, RIGHT_TO_LEFT

Events:

FocusIn, FocusOut, Help, KeyDown, KeyUp, MouseDoubleClick, MouseDown, MouseEnter, MouseExit, MouseHover, MouseUp, MouseMove, Move, Paint, Resize, Traverse, DragDetect, MenuDetect

Only one of LEFT_TO_RIGHT or RIGHT_TO_LEFT may be specified.

IMPORTANT: This class is intended to be subclassed only within the SWT implementation.

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Field Summary
(package private)  org.eclipse.swt.accessibility.Accessible	accessible
(package private)  org.eclipse.swt.graphics.Cursor	cursor
(package private)  int	drawCount
(package private)  long	enableWindow
(package private)  long	fixedHandle
(package private)  org.eclipse.swt.graphics.Font	font
(package private)  java.lang.Object	layoutData
(package private)  Menu	menu
(package private)  Composite	parent
(package private)  long	redrawWindow
(package private)  java.lang.String	toolTipText

 

Fields inherited from class org.eclipse.swt.widgets.Widget

ACTIVATE, BUTTON_PRESS_EVENT, BUTTON_RELEASE_EVENT, CANVAS, CHANGED, CLICKED, COMMIT, CONFIGURE_EVENT, data, DEFAULT_HEIGHT, DEFAULT_WIDTH, DELETE_EVENT, DELETE_RANGE, DELETE_TEXT, DISABLED, display, DISPOSED, ENTER_NOTIFY_EVENT, EVENT, EVENT_AFTER, eventTable, EXPOSE_EVENT, FOCUS, FOCUS_IN_EVENT, FOCUS_OUT_EVENT, handle, HANDLE, HIDE, INSERT_TEXT, KEY_PRESS_EVENT, KEY_RELEASE_EVENT, KEYED_DATA, LEAVE_NOTIFY_EVENT, MAP_EVENT, MENU, MNEMONIC_ACTIVATE, MOTION_NOTIFY_EVENT, OBSCURED, POPUP_MENU, PREEDIT_CHANGED, REALIZE, ROW_ACTIVATED, SCROLL_CHILD, SELECT, SHOW, SHOW_HELP, SIZE_ALLOCATE, state, style, STYLE_SET, SWITCH_PAGE, TEST_COLLAPSE_ROW, TEST_EXPAND_ROW, TOGGLED, UNMAP_EVENT, UNREALIZE, VALUE_CHANGED, VISIBILITY_NOTIFY_EVENT, WINDOW_STATE_EVENT

 

Constructor Summary
(package private)	Control()
	Control(Composite parent, int style)           Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

 

Method Summary
(package private)  Shell	_getShell()
void	addControlListener(org.eclipse.swt.events.ControlListener listener)           Adds the listener to the collection of listeners who will be notified when the control is moved or resized, by sending it one of the messages defined in the ControlListener interface.
void	addFocusListener(org.eclipse.swt.events.FocusListener listener)           Adds the listener to the collection of listeners who will be notified when the control gains or loses focus, by sending it one of the messages defined in the FocusListener interface.
void	addHelpListener(org.eclipse.swt.events.HelpListener listener)           Adds the listener to the collection of listeners who will be notified when help events are generated for the control, by sending it one of the messages defined in the HelpListener interface.
void	addKeyListener(org.eclipse.swt.events.KeyListener listener)           Adds the listener to the collection of listeners who will be notified when keys are pressed and released on the system keyboard, by sending it one of the messages defined in the KeyListener interface.
void	addMouseListener(org.eclipse.swt.events.MouseListener listener)           Adds the listener to the collection of listeners who will be notified when mouse buttons are pressed and released, by sending it one of the messages defined in the MouseListener interface.
void	addMouseMoveListener(org.eclipse.swt.events.MouseMoveListener listener)           Adds the listener to the collection of listeners who will be notified when the mouse moves, by sending it one of the messages defined in the MouseMoveListener interface.
void	addMouseTrackListener(org.eclipse.swt.events.MouseTrackListener listener)           Adds the listener to the collection of listeners who will be notified when the mouse passes or hovers over controls, by sending it one of the messages defined in the MouseTrackListener interface.
void	addPaintListener(org.eclipse.swt.events.PaintListener listener)           Adds the listener to the collection of listeners who will be notified when the receiver needs to be painted, by sending it one of the messages defined in the PaintListener interface.
void	addTraverseListener(org.eclipse.swt.events.TraverseListener listener)           Adds the listener to the collection of listeners who will be notified when traversal events occur, by sending it one of the messages defined in the TraverseListener interface.
(package private)  org.eclipse.swt.graphics.Point	computeNativeSize(long h, int wHint, int hHint, boolean changed)
org.eclipse.swt.graphics.Point	computeSize(int wHint, int hHint)           Returns the preferred size of the receiver.
org.eclipse.swt.graphics.Point	computeSize(int wHint, int hHint, boolean changed)           Returns the preferred size of the receiver.
(package private)  Control	computeTabGroup()
(package private)  Control[]	computeTabList()
(package private)  Control	computeTabRoot()
(package private)  void	createWidget(int index)
(package private)  long	defaultFont()
(package private)  void	deregister()
(package private)  boolean	drawGripper(int x, int y, int width, int height)
(package private)  void	enableWidget(boolean enabled)
(package private)  long	eventHandle()
(package private)  boolean	filterKey(int keyval, long event)
(package private)  Menu[]	findMenus(Control control)
(package private)  void	fixChildren(Shell newShell, Shell oldShell, Decorations newDecorations, Decorations oldDecorations, Menu[] menus)
(package private)  void	fixFocus(Control focusControl)
(package private)  long	focusHandle()
(package private)  long	fontHandle()
boolean	forceFocus()           Forces the receiver to have the keyboard focus, causing all keyboard events to be delivered to it.
(package private)  boolean	forceFocus(long focusHandle)
org.eclipse.swt.accessibility.Accessible	getAccessible()           Returns the accessible object for the receiver.
org.eclipse.swt.graphics.Color	getBackground()           Returns the receiver's background color.
(package private)  org.eclipse.swt.internal.gtk.GdkColor	getBackgroundColor()
(package private)  org.eclipse.swt.internal.gtk.GdkColor	getBaseColor()
(package private)  org.eclipse.swt.internal.gtk.GdkColor	getBgColor()
int	getBorderWidth()           Returns the receiver's border width.
org.eclipse.swt.graphics.Rectangle	getBounds()           Returns a rectangle describing the receiver's size and location relative to its parent (or its display if its parent is null), unless the receiver is a shell.
boolean	getEnabled()           Returns true if the receiver is enabled, and false otherwise.
(package private)  org.eclipse.swt.internal.gtk.GdkColor	getFgColor()
org.eclipse.swt.graphics.Font	getFont()           Returns the font that the receiver will use to paint textual information.
(package private)  long	getFontDescription()
org.eclipse.swt.graphics.Color	getForeground()           Returns the foreground color that the receiver will use to draw.
(package private)  org.eclipse.swt.internal.gtk.GdkColor	getForegroundColor()
(package private)  org.eclipse.swt.graphics.Point	getIMCaretPos()
java.lang.Object	getLayoutData()           Returns layout data which is associated with the receiver.
org.eclipse.swt.graphics.Point	getLocation()           Returns a point describing the receiver's location relative to its parent (or its display if its parent is null), unless the receiver is a shell.
Menu	getMenu()           Returns the receiver's pop up menu if it has one, or null if it does not.
Monitor	getMonitor()           Returns the receiver's monitor.
Composite	getParent()           Returns the receiver's parent, which must be a Composite or null when the receiver is a shell that was created with null or a display for a parent.
(package private)  Control[]	getPath()
Shell	getShell()           Returns the receiver's shell.
org.eclipse.swt.graphics.Point	getSize()           Returns a point describing the receiver's size.
(package private)  org.eclipse.swt.internal.gtk.GdkColor	getTextColor()
java.lang.String	getToolTipText()           Returns the receiver's tool tip text, or null if it has not been set.
boolean	getVisible()           Returns true if the receiver is visible, and false otherwise.
(package private)  long	gtk_button_press_event(long widget, long event)
(package private)  long	gtk_button_release_event(long widget, long event)
(package private)  long	gtk_commit(long imcontext, long text)
(package private)  long	gtk_enter_notify_event(long widget, long event)
(package private)  long	gtk_event_after(long widget, long gdkEvent)
(package private)  long	gtk_expose_event(long widget, long eventPtr)
(package private)  long	gtk_focus_in_event(long widget, long event)
(package private)  long	gtk_focus_out_event(long widget, long event)
(package private)  long	gtk_focus(long widget, long directionType)
(package private)  long	gtk_key_press_event(long widget, long event)
(package private)  long	gtk_key_release_event(long widget, long event)
(package private)  long	gtk_leave_notify_event(long widget, long event)
(package private)  long	gtk_mnemonic_activate(long widget, long arg1)
(package private)  long	gtk_motion_notify_event(long widget, long event)
(package private)  long	gtk_popup_menu(long widget)
(package private)  long	gtk_preedit_changed(long imcontext)
(package private)  long	gtk_realize(long widget)
(package private)  long	gtk_show_help(long widget, long helpType)
(package private)  long	gtk_unrealize(long widget)
(package private)  long	gtk_visibility_notify_event(long widget, long event)
(package private)  boolean	hasFocus()
(package private)  void	hookEvents()
(package private)  long	hoverProc(long widget)
(package private)  long	imHandle()
void	internal_dispose_GC(long gdkGC, org.eclipse.swt.graphics.GCData data)           Invokes platform specific functionality to dispose a GC handle.
long	internal_new_GC(org.eclipse.swt.graphics.GCData data)           Invokes platform specific functionality to allocate a new GC handle.
boolean	isEnabled()           Returns true if the receiver is enabled and all of the receiver's ancestors are enabled, and false otherwise.
(package private)  boolean	isFocusAncestor(Control control)
boolean	isFocusControl()           Returns true if the receiver has the user-interface focus, and false otherwise.
boolean	isReparentable()           Returns true if the underlying operating system supports this reparenting, otherwise false
(package private)  boolean	isShowing()
(package private)  boolean	isTabGroup()
(package private)  boolean	isTabItem()
boolean	isVisible()           Returns true if the receiver is visible and all of the receiver's ancestors are visible and false otherwise.
(package private)  Decorations	menuShell()
(package private)  boolean	mnemonicHit(char key)
(package private)  boolean	mnemonicMatch(char key)
void	moveAbove(Control control)           Moves the receiver above the specified control in the drawing order.
void	moveBelow(Control control)           Moves the receiver below the specified control in the drawing order.
(package private)  void	moveHandle(int x, int y)
void	pack()           Causes the receiver to be resized to its preferred size.
void	pack(boolean changed)           Causes the receiver to be resized to its preferred size.
(package private)  long	paintHandle()
(package private)  long	paintWindow()
void	redraw()           Causes the entire bounds of the receiver to be marked as needing to be redrawn.
void	redraw(int x, int y, int width, int height, boolean all)           Causes the rectangular area of the receiver specified by the arguments to be marked as needing to be redrawn.
(package private)  void	redrawWidget(int x, int y, int width, int height, boolean all)
(package private)  void	register()
(package private)  void	releaseChild()
(package private)  void	releaseHandle()
(package private)  void	releaseWidget()
void	removeControlListener(org.eclipse.swt.events.ControlListener listener)           Removes the listener from the collection of listeners who will be notified when the control is moved or resized.
void	removeFocusListener(org.eclipse.swt.events.FocusListener listener)           Removes the listener from the collection of listeners who will be notified when the control gains or loses focus.
void	removeHelpListener(org.eclipse.swt.events.HelpListener listener)           Removes the listener from the collection of listeners who will be notified when the help events are generated for the control.
void	removeKeyListener(org.eclipse.swt.events.KeyListener listener)           Removes the listener from the collection of listeners who will be notified when keys are pressed and released on the system keyboard.
void	removeMouseListener(org.eclipse.swt.events.MouseListener listener)           Removes the listener from the collection of listeners who will be notified when mouse buttons are pressed and released.
void	removeMouseMoveListener(org.eclipse.swt.events.MouseMoveListener listener)           Removes the listener from the collection of listeners who will be notified when the mouse moves.
void	removeMouseTrackListener(org.eclipse.swt.events.MouseTrackListener listener)           Removes the listener from the collection of listeners who will be notified when the mouse passes or hovers over controls.
void	removePaintListener(org.eclipse.swt.events.PaintListener listener)           Removes the listener from the collection of listeners who will be notified when the receiver needs to be painted.
void	removeTraverseListener(org.eclipse.swt.events.TraverseListener listener)           Removes the listener from the collection of listeners who will be notified when traversal events occur.
(package private)  void	resizeHandle(int width, int height)
(package private)  void	sendFocusEvent(int type)
(package private)  boolean	sendHelpEvent(long helpType)
(package private)  char[]	sendIMKeyEvent(int type, org.eclipse.swt.internal.gtk.GdkEventKey keyEvent, char[] chars)
(package private)  boolean	sendKeyEvent(int type, org.eclipse.swt.internal.gtk.GdkEventKey keyEvent)
(package private)  void	sendMouseEvent(int type, int button, long eventPtr)
void	setBackground(org.eclipse.swt.graphics.Color color)           Sets the receiver's background color to the color specified by the argument, or to the default system color for the control if the argument is null.
(package private)  void	setBackgroundColor(org.eclipse.swt.internal.gtk.GdkColor color)
(package private)  void	setBackgroundColor(long handle, org.eclipse.swt.internal.gtk.GdkColor color)
void	setBounds(int x, int y, int width, int height)           Sets the receiver's size and location to the rectangular area specified by the arguments.
(package private)  boolean	setBounds(int x, int y, int width, int height, boolean move, boolean resize)
void	setBounds(org.eclipse.swt.graphics.Rectangle rect)           Sets the receiver's size and location to the rectangular area specified by the argument.
void	setCapture(boolean capture)           If the argument is true, causes the receiver to have all mouse events delivered to it until the method is called with false as the argument.
void	setCursor(org.eclipse.swt.graphics.Cursor cursor)           Sets the receiver's cursor to the cursor specified by the argument, or to the default cursor for that kind of control if the argument is null.
(package private)  void	setCursor(long cursor)
void	setEnabled(boolean enabled)           Enables the receiver if the argument is true, and disables it otherwise.
boolean	setFocus()           Causes the receiver to have the keyboard focus, such that all keyboard events will be delivered to it.
void	setFont(org.eclipse.swt.graphics.Font font)           Sets the font that the receiver will use to paint textual information to the font specified by the argument, or to the default font for that kind of control if the argument is null.
(package private)  void	setFontDescription(long font)
void	setForeground(org.eclipse.swt.graphics.Color color)           Sets the receiver's foreground color to the color specified by the argument, or to the default system color for the control if the argument is null.
(package private)  void	setForegroundColor(org.eclipse.swt.internal.gtk.GdkColor color)
(package private)  void	setInitialSize()
void	setLayoutData(java.lang.Object layoutData)           Sets the layout data associated with the receiver to the argument.
void	setLocation(int x, int y)           Sets the receiver's location to the point specified by the arguments which are relative to the receiver's parent (or its display if its parent is null), unless the receiver is a shell.
void	setLocation(org.eclipse.swt.graphics.Point location)           Sets the receiver's location to the point specified by the arguments which are relative to the receiver's parent (or its display if its parent is null), unless the receiver is a shell.
void	setMenu(Menu menu)           Sets the receiver's pop up menu to the argument.
boolean	setParent(Composite parent)           Changes the parent of the widget to be the one provided if the underlying operating system supports this feature.
(package private)  boolean	setRadioSelection(boolean value)
void	setRedraw(boolean redraw)           If the argument is false, causes subsequent drawing operations in the receiver to be ignored.
void	setSize(int width, int height)           Sets the receiver's size to the point specified by the arguments.
void	setSize(org.eclipse.swt.graphics.Point size)           Sets the receiver's size to the point specified by the argument.
(package private)  boolean	setTabGroupFocus(boolean next)
(package private)  boolean	setTabItemFocus(boolean next)
void	setToolTipText(java.lang.String string)           Sets the receiver's tool tip text to the argument, which may be null indicating that no tool tip text should be shown.
void	setVisible(boolean visible)           Marks the receiver as visible if the argument is true, and marks it invisible otherwise.
(package private)  void	setZOrder(Control sibling, boolean above)
(package private)  void	setZOrder(Control sibling, boolean above, boolean fixChildren)
(package private)  boolean	showMenu(int x, int y)
(package private)  void	sort(int[] items)
org.eclipse.swt.graphics.Point	toControl(int x, int y)           Returns a point which is the result of converting the argument, which is specified in display relative coordinates, to coordinates relative to the receiver.
org.eclipse.swt.graphics.Point	toControl(org.eclipse.swt.graphics.Point point)           Returns a point which is the result of converting the argument, which is specified in display relative coordinates, to coordinates relative to the receiver.
org.eclipse.swt.graphics.Point	toDisplay(int x, int y)           Returns a point which is the result of converting the argument, which is specified in coordinates relative to the receiver, to display relative coordinates.
org.eclipse.swt.graphics.Point	toDisplay(org.eclipse.swt.graphics.Point point)           Returns a point which is the result of converting the argument, which is specified in coordinates relative to the receiver, to display relative coordinates.
(package private)  long	topHandle()
(package private)  boolean	translateMnemonic(Event event, Control control)
(package private)  boolean	translateMnemonic(int keyval, org.eclipse.swt.internal.gtk.GdkEventKey gdkEvent)
(package private)  boolean	translateTraversal(org.eclipse.swt.internal.gtk.GdkEventKey keyEvent)
(package private)  int	traversalCode(int key, org.eclipse.swt.internal.gtk.GdkEventKey event)
(package private)  boolean	traverse(Event event)
boolean	traverse(int traversal)           Based on the argument, perform one of the expected platform traversal action.
(package private)  boolean	traverseEscape()
(package private)  boolean	traverseGroup(boolean next)
(package private)  boolean	traverseItem(boolean next)
(package private)  boolean	traverseMnemonic(char key)
(package private)  boolean	traversePage(boolean next)
(package private)  boolean	traverseReturn()
void	update()           Forces all outstanding paint requests for the widget to be processed before this method returns.
(package private)  void	update(boolean all)

 

Methods inherited from class org.eclipse.swt.widgets.Widget

addDisposeListener, addListener, checkBits, checkOrientation, checkParent, checkSubclass, checkWidget, createHandle, destroyWidget, dispose, error, filterProc, filters, fixMnemonic, fontHeight, getData, getData, getDisplay, getName, getNameText, getStyle, gtk_activate, gtk_changed, gtk_clicked, gtk_configure_event, gtk_delete_event, gtk_delete_range, gtk_delete_text, gtk_event, gtk_hide, gtk_insert_text, gtk_map_event, gtk_row_activated, gtk_scroll_child, gtk_select, gtk_show, gtk_size_allocate, gtk_style_set, gtk_switch_page, gtk_test_collapse_row, gtk_test_expand_row, gtk_timer, gtk_toggled, gtk_unmap_event, gtk_value_changed, gtk_window_state_event, hooks, isDisposed, isListening, isValidSubclass, isValidThread, isValidWidget, menuPositionProc, mnemonicHit, mnemonicMatch, notifyListeners, pixbufCellDataProc, postEvent, postEvent, releaseResources, removeDisposeListener, removeListener, removeListener, sendEvent, sendEvent, sendEvent, sendEvent, setData, setData, setInputState, setKeyState, setOrientation, shellMapProc, textCellDataProc, timerProc, toString, translateTraversal, treeSelectionProc, windowProc, windowProc, windowProc, windowProc

 

Methods inherited from class java.lang.Object

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

 

Field Detail

fixedHandle

long fixedHandle

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redrawWindow

long redrawWindow

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enableWindow

long enableWindow

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drawCount

int drawCount

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parent

Composite parent

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cursor

org.eclipse.swt.graphics.Cursor cursor

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menu

Menu menu

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font

org.eclipse.swt.graphics.Font font

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toolTipText

java.lang.String toolTipText

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layoutData

java.lang.Object layoutData

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accessible

org.eclipse.swt.accessibility.Accessible accessible

Constructor Detail

Control

Control()

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Control

public Control(Composite parent,
               int style)

Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

The style value is either one of the style constants defined in class SWT which is applicable to instances of this class, or must be built by bitwise OR'ing together (that is, using the int "|" operator) two or more of those SWT style constants. The class description lists the style constants that are applicable to the class. Style bits are also inherited from superclasses.

Method Detail

defaultFont

long defaultFont()

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deregister

void deregister()

Overrides:

deregister in class Widget

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drawGripper

boolean drawGripper(int x,
                    int y,
                    int width,
                    int height)

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enableWidget

void enableWidget(boolean enabled)

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eventHandle

long eventHandle()

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fixFocus

void fixFocus(Control focusControl)

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focusHandle

long focusHandle()

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fontHandle

long fontHandle()

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hasFocus

boolean hasFocus()

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hookEvents

void hookEvents()

Overrides:

hookEvents in class Widget

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hoverProc

long hoverProc(long widget)

Overrides:

hoverProc in class Widget

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topHandle

long topHandle()

Overrides:

topHandle in class Widget

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paintHandle

long paintHandle()

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paintWindow

long paintWindow()

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computeSize

public org.eclipse.swt.graphics.Point computeSize(int wHint,
                                                  int hHint)

Returns the preferred size of the receiver.

The preferred size of a control is the size that it would best be displayed at. The width hint and height hint arguments allow the caller to ask a control questions such as "Given a particular width, how high does the control need to be to show all of the contents?" To indicate that the caller does not wish to constrain a particular dimension, the constant SWT.DEFAULT is passed for the hint.

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computeTabGroup

Control computeTabGroup()

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computeTabList

Control[] computeTabList()

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computeTabRoot

Control computeTabRoot()

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createWidget

void createWidget(int index)

Overrides:

createWidget in class Widget

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computeSize

public org.eclipse.swt.graphics.Point computeSize(int wHint,
                                                  int hHint,
                                                  boolean changed)

Returns the preferred size of the receiver.

The preferred size of a control is the size that it would best be displayed at. The width hint and height hint arguments allow the caller to ask a control questions such as "Given a particular width, how high does the control need to be to show all of the contents?" To indicate that the caller does not wish to constrain a particular dimension, the constant SWT.DEFAULT is passed for the hint.

If the changed flag is true, it indicates that the receiver's contents have changed, therefore any caches that a layout manager containing the control may have been keeping need to be flushed. When the control is resized, the changed flag will be false, so layout manager caches can be retained.

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computeNativeSize

org.eclipse.swt.graphics.Point computeNativeSize(long h,
                                                 int wHint,
                                                 int hHint,
                                                 boolean changed)

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getAccessible

public org.eclipse.swt.accessibility.Accessible getAccessible()

Returns the accessible object for the receiver. If this is the first time this object is requested, then the object is created and returned.

Since:

2.0

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getBounds

public org.eclipse.swt.graphics.Rectangle getBounds()

Returns a rectangle describing the receiver's size and location relative to its parent (or its display if its parent is null), unless the receiver is a shell. In this case, the location is relative to the display.

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setBounds

public void setBounds(org.eclipse.swt.graphics.Rectangle rect)

Sets the receiver's size and location to the rectangular area specified by the argument. The x and y fields of the rectangle are relative to the receiver's parent (or its display if its parent is null).

Note: Attempting to set the width or height of the receiver to a negative number will cause that value to be set to zero instead.

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setBounds

public void setBounds(int x,
                      int y,
                      int width,
                      int height)

Sets the receiver's size and location to the rectangular area specified by the arguments. The x and y arguments are relative to the receiver's parent (or its display if its parent is null), unless the receiver is a shell. In this case, the x and y arguments are relative to the display.

Note: Attempting to set the width or height of the receiver to a negative number will cause that value to be set to zero instead.

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moveHandle

void moveHandle(int x,
                int y)

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resizeHandle

void resizeHandle(int width,
                  int height)

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setBounds

boolean setBounds(int x,
                  int y,
                  int width,
                  int height,
                  boolean move,
                  boolean resize)

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getLocation

public org.eclipse.swt.graphics.Point getLocation()

Returns a point describing the receiver's location relative to its parent (or its display if its parent is null), unless the receiver is a shell. In this case, the point is relative to the display.

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setLocation

public void setLocation(org.eclipse.swt.graphics.Point location)

Sets the receiver's location to the point specified by the arguments which are relative to the receiver's parent (or its display if its parent is null), unless the receiver is a shell. In this case, the point is relative to the display.

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setLocation

public void setLocation(int x,
                        int y)

Sets the receiver's location to the point specified by the arguments which are relative to the receiver's parent (or its display if its parent is null), unless the receiver is a shell. In this case, the point is relative to the display.

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getSize

public org.eclipse.swt.graphics.Point getSize()

Returns a point describing the receiver's size. The x coordinate of the result is the width of the receiver. The y coordinate of the result is the height of the receiver.

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setSize

public void setSize(org.eclipse.swt.graphics.Point size)

Sets the receiver's size to the point specified by the argument.

Note: Attempting to set the width or height of the receiver to a negative number will cause them to be set to zero instead.

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setSize

public void setSize(int width,
                    int height)

Sets the receiver's size to the point specified by the arguments.

Note: Attempting to set the width or height of the receiver to a negative number will cause that value to be set to zero instead.

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moveAbove

public void moveAbove(Control control)

Moves the receiver above the specified control in the drawing order. If the argument is null, then the receiver is moved to the top of the drawing order. The control at the top of the drawing order will not be covered by other controls even if they occupy intersecting areas.

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moveBelow

public void moveBelow(Control control)

Moves the receiver below the specified control in the drawing order. If the argument is null, then the receiver is moved to the bottom of the drawing order. The control at the bottom of the drawing order will be covered by all other controls which occupy intersecting areas.

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pack

public void pack()

Causes the receiver to be resized to its preferred size. For a composite, this involves computing the preferred size from its layout, if there is one.

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pack

public void pack(boolean changed)

Causes the receiver to be resized to its preferred size. For a composite, this involves computing the preferred size from its layout, if there is one.

If the changed flag is true, it indicates that the receiver's contents have changed, therefore any caches that a layout manager containing the control may have been keeping need to be flushed. When the control is resized, the changed flag will be false, so layout manager caches can be retained.

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setLayoutData

public