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org.eclipse.jface.text.source
Class SourceViewer.RulerLayout
java.lang.Object
org.eclipse.swt.widgets.Layout
org.eclipse.jface.text.source.SourceViewer.RulerLayout
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Enclosing class:
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SourceViewer
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protected class SourceViewer.RulerLayout
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Layout
Layout of a source viewer. Vertical ruler, text widget, and overview ruler are shown side by side.
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Field Summary
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protected int
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fGap
The gap between the text viewer and the vertical ruler. |
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Constructor Summary
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SourceViewer.RulerLayout
(int gap)
Creates a new ruler layout with the given gap between text viewer and vertical ruler. |
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Method Summary
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protected
Point
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computeSize
(
Composite composite,
int wHint,
int hHint,
boolean flushCache)
Computes and returns the size of the specified
composite's client area according to this layout. |
protected void
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layout
(
Composite composite,
boolean flushCache)
Lays out the children of the specified composite
according to this layout. |
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Methods inherited from class java.lang.
Object
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clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait
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fGap
protected int fGap
- The gap between the text viewer and the vertical ruler.
SourceViewer.RulerLayout
public SourceViewer.RulerLayout(int gap)
- Creates a new ruler layout with the given gap between text viewer and vertical ruler.
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Parameters:
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gap - the gap between text viewer and vertical ruler
computeSize
protected
Point computeSize(
Composite composite,
int wHint,
int hHint,
boolean flushCache)
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Description copied from class:
Layout
- Computes and returns the size of the specified
composite's client area according to this layout.
This method computes the size that the client area
of the composite must be in order to position all
children at their preferred size inside the
composite according to the layout algorithm
encoded by this layout.
When a width or height hint is supplied, it is
used to constrain the result. For example, if a
width hint is provided that is less than the
width of the client area, the layout may choose
to wrap and increase height, clip, overlap, or
otherwise constrain the children.
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Specified by:
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computeSize
in class
Layout
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Parameters:
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composite - a composite widget using this layout -
wHint - width (SWT.DEFAULT for preferred size) -
hHint - height (SWT.DEFAULT for preferred size) -
flushCache - true means flush cached layout values
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Returns:
- a point containing the computed size (width, height)
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See Also:
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Layout.layout(org.eclipse.swt.widgets.Composite, boolean),
Control.getBorderWidth(),
Control.getBounds(),
Control.getSize(),
Control.pack(boolean),
"computeTrim, getClientArea for controls that implement them"
layout
protected void layout(
Composite composite,
boolean flushCache)
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Description copied from class:
Layout
- Lays out the children of the specified composite
according to this layout.
This method positions and sizes the children of a
composite using the layout algorithm encoded by this
layout. Children of the composite are positioned in
the client area of the composite. The position of
the composite is not altered by this method.
When the flush cache hint is true, the layout is
instructed to flush any cached values associated
with the children. Typically, a layout will cache
the preferred sizes of the children to avoid the
expense of computing these values each time the
widget is laid out.
When layout is triggered explicitly by the programmer
the flush cache hint is true. When layout is triggered
by a resize, either caused by the programmer or by the
user, the hint is false.
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Specified by:
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layout
in class
Layout
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Parameters:
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composite - a composite widget using this layout -
flushCache - true means flush cached layout values
Guidelines for using Eclipse APIs.
Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.
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