Class Scrollable
- All Implemented Interfaces:
Drawable
- Styles:
- H_SCROLL, V_SCROLL
- Events:
- (none)
IMPORTANT: This class is intended to be subclassed only within the SWT implementation.
- See Also:
- Restriction:
- This class is not intended to be subclassed by clients.
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Field Summary
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Constructor Summary
ConstructorDescriptionScrollable
(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
Modifier and TypeMethodDescriptioncomputeTrim
(int x, int y, int width, int height) Given a desired client area for the receiver (as described by the arguments), returns the bounding rectangle which would be required to produce that client area.Returns a rectangle which describes the area of the receiver which is capable of displaying data (that is, not covered by the "trimmings").Returns the receiver's horizontal scroll bar if it has one, and null if it does not.int
Returns the mode of the receiver's scrollbars.Returns the receiver's vertical scroll bar if it has one, and null if it does not.void
setScrollbarsMode
(int mode) Sets the mode of the receiver's scrollbars.Methods inherited from class org.eclipse.swt.widgets.Control
addControlListener, addDragDetectListener, addFocusListener, addGestureListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTouchListener, addTraverseListener, computeSize, computeSize, dragDetect, dragDetect, forceFocus, getAccessible, getBackground, getBackgroundImage, getBorderWidth, getBounds, getCursor, getDragDetect, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getOrientation, getParent, getRegion, getShell, getSize, getTextDirection, getToolTipText, getTouchEnabled, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isFocusControl, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, print, redraw, redraw, removeControlListener, removeDragDetectListener, removeFocusListener, removeGestureListener, removeHelpListener, removeKeyListener, removeMenuDetectListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removeMouseWheelListener, removePaintListener, removeTouchListener, removeTraverseListener, requestLayout, setBackground, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setDragDetect, setEnabled, setFocus, setFont, setForeground, setLayoutData, setLocation, setLocation, setMenu, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setToolTipText, setTouchEnabled, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse, update
Methods inherited from class org.eclipse.swt.widgets.Widget
addDisposeListener, addListener, addTypedListener, checkSubclass, checkWidget, dispose, getData, getData, getDisplay, getListeners, getStyle, getTypedListeners, isAutoDirection, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, removeTypedListener, reskin, setData, setData, toString
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Methods inherited from interface org.eclipse.swt.graphics.Drawable
isAutoScalable
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Constructor Details
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Scrollable
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 theint
"|" operator) two or more of thoseSWT
style constants. The class description lists the style constants that are applicable to the class. Style bits are also inherited from superclasses.- Parameters:
parent
- a composite control which will be the parent of the new instance (cannot be null)style
- the style of control to construct- Throws:
IllegalArgumentException
-- ERROR_NULL_ARGUMENT - if the parent is null
SWTException
-- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
- ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
- See Also:
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Method Details
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computeTrim
Given a desired client area for the receiver (as described by the arguments), returns the bounding rectangle which would be required to produce that client area.In other words, it returns a rectangle such that, if the receiver's bounds were set to that rectangle, the area of the receiver which is capable of displaying data (that is, not covered by the "trimmings") would be the rectangle described by the arguments (relative to the receiver's parent).
- Parameters:
x
- the desired x coordinate of the client areay
- the desired y coordinate of the client areawidth
- the desired width of the client areaheight
- the desired height of the client area- Returns:
- the required bounds to produce the given client area
- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
- See Also:
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getClientArea
Returns a rectangle which describes the area of the receiver which is capable of displaying data (that is, not covered by the "trimmings").- Returns:
- the client area
- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
- See Also:
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getHorizontalBar
Returns the receiver's horizontal scroll bar if it has one, and null if it does not.- Returns:
- the horizontal scroll bar (or null)
- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
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getScrollbarsMode
public int getScrollbarsMode()Returns the mode of the receiver's scrollbars. This will be bitwise OR of one or more of the constants defined in classSWT
.
SWT.SCROLLBAR_OVERLAY
- if receiver uses overlay scrollbarsSWT.NONE
- otherwise
- Returns:
- the mode of scrollbars
- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
- Since:
- 3.8
- See Also:
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setScrollbarsMode
public void setScrollbarsMode(int mode) Sets the mode of the receiver's scrollbars. This will be bitwise OR of one or more of the constants defined in classSWT
.
SWT.SCROLLBAR_OVERLAY
- if receiver uses overlay scrollbarsSWT.NONE
- otherwise
- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
- Since:
- 3.126
- See Also:
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getVerticalBar
Returns the receiver's vertical scroll bar if it has one, and null if it does not.- Returns:
- the vertical scroll bar (or null)
- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
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