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Eclipse Platform 2.0 |
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java.lang.Object | +--org.eclipse.swt.widgets.Widget | +--org.eclipse.swt.widgets.Control | +--org.eclipse.swt.widgets.Scrollable | +--org.eclipse.swt.widgets.Composite | +--org.eclipse.swt.widgets.Canvas | +--org.eclipse.swt.custom.AnimatedProgress
A control for showing progress feedback for a long running operation.
Field Summary |
Fields inherited from class org.eclipse.swt.widgets.Control |
handle |
Constructor Summary | |
AnimatedProgress(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 | |
void |
clear()
Stop the animation if it is not already stopped and reset the presentation to a blank appearance. |
Point |
computeSize(int wHint,
int hHint,
boolean changed)
Returns the preferred size of the receiver. |
void |
start()
Start the animation. |
void |
stop()
Stop the animation. |
Methods inherited from class org.eclipse.swt.widgets.Canvas |
getCaret, scroll, setCaret, setFont |
Methods inherited from class org.eclipse.swt.widgets.Composite |
checkSubclass, getChildren, getLayout, getTabList, layout, layout, setFocus, setLayout, setTabList |
Methods inherited from class org.eclipse.swt.widgets.Scrollable |
computeTrim, getClientArea, getHorizontalBar, getVerticalBar |
Methods inherited from class org.eclipse.swt.widgets.Widget |
addDisposeListener, addListener, checkWidget, dispose, getData, getData, getStyle, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, setData, setData, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public AnimatedProgress(Composite parent, int style)
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.
parent
- a widget which will be the parent of the new instance (cannot be null)style
- the style of widget to construct
IllegalArgumentException
- SWTException
- SWT.VERTICAL
,
SWT.HORIZONTAL
,
SWT.BORDER
,
Widget.getStyle()
Method Detail |
public void clear()
SWTException
- public Point computeSize(int wHint, int hHint, boolean changed)
Control
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.
computeSize
in class Composite
wHint
- the width hint (can be SWT.DEFAULT
)hHint
- the height hint (can be SWT.DEFAULT
)changed
- true
if the control's contents have changed, and false
otherwise
Layout
,
Control.getBorderWidth()
,
Control.getBounds()
,
Control.getSize()
,
Control.pack()
,
"computeTrim, getClientArea for controls that implement them"public void start()
SWTException
- public void stop()
|
Eclipse Platform 2.0 |
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