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Chapter 23 java.awt.peer Reference |
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ScrollPanePeer 
Name
ScrollPanePeer
![[Graphic: Figure from the text]](./figs/scrollp.gif)
Description
ScrollPanePeer is an interface that defines the basis for a scrolling container.
Interface Definition
public abstract interface java.awt.peer.ScrollPanePeer
extends java.awt.peer.ContainerPeer {
// Interface Methods
public abstract void childResized (int w, int h);
public abstract int getHScrollbarHeight();
public abstract int getVScrollbarWidth();
public abstract void setScrollPosition (int x, int y);
public abstract void setUnitIncrement (Adjustable adj, int u);
public abstract void setValue (Adjustable adj, int v);
}
Interface Methods
childResized
public abstract void childResized (int w, int h)
- Parameters
-
- w
-
The new child width.
- h
-
The new child height.
- w
- Description
-
Tells the peer that the child has a new size.
getHScrollbarHeight
public abstract int getHScrollbarHeight()
- Returns
-
Height that a horizontal scrollbar would occupy.
- Description
-
The height is returned regardless of whether the scrollbar is showing or not.
getVScrollbarWidth
public abstract int getVScrollbarWidth()
- Returns
-
Width that a vertical scrollbar would occupy.
- Description
-
The width is returned regardless of whether the scrollbar is showing or not.
setScrollPosition
public abstract void setScrollPosition (int x, int y)
- Parameters
-
- x
-
The new horizontal position.
- y
-
The new vertical position.
- x
- Description
-
Changes the coordinate of the child component that is displayed at the origin of the ScrollPanePeer.
setUnitIncrement
public abstract void setUnitIncrement (Adjustable adj, int u)
- Parameters
-
- adj
-
The Adjustable object to change.
- u
-
The new value.
- adj
- Description
-
Changes the unit increment of the given Adjustable object.
setValue
public abstract void setValue (Adjustable adj, int v)
- Parameters
-
- adj
-
The Adjustable object to change.
- v
-
The new value.
- adj
- Description
-
Changes the value of the given Adjustable object.
See Also
Adjustable, ContainerPeer, Scrollbar
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| ScrollbarPeer |  |
TextAreaPeer |
