package org.eclipse.swt.layout; | |
/* | |
* (c) Copyright IBM Corp. 2000, 2001. | |
* All Rights Reserved | |
*/ | |
import org.eclipse.swt.*; | |
import org.eclipse.swt.graphics.*; | |
import org.eclipse.swt.widgets.*; | |
public final class FillLayout extends Layout { | |
/** | |
* type specifies how controls will be positioned | |
* within the layout. | |
* | |
* The default value is HORIZONTAL. | |
* | |
* Possible values are: | |
* | |
* HORIZONTAL: Position the controls horizontally from left to right | |
* VERTICAL: Position the controls vertically from top to bottom | |
*/ | |
public int type = SWT.HORIZONTAL; | |
public FillLayout () { | |
} | |
protected Point computeSize (Composite composite, int wHint, int hHint, boolean flushCache) { | |
Control [] children = composite.getChildren (); | |
int count = children.length; | |
int maxWidth = 0, maxHeight = 0; | |
for (int i=0; i<count; i++) { | |
Control child = children [i]; | |
Point pt = child.computeSize (SWT.DEFAULT, SWT.DEFAULT, flushCache); | |
maxWidth = Math.max (maxWidth, pt.x); | |
maxHeight = Math.max (maxHeight, pt.y); | |
} | |
if (type == SWT.HORIZONTAL) { | |
return new Point (count * maxWidth, maxHeight); | |
} | |
return new Point (maxWidth, count * maxHeight); | |
} | |
protected void layout (Composite composite, boolean flushCache) { | |
Rectangle rect = composite.getClientArea (); | |
Control [] children = composite.getChildren (); | |
int count = children.length; | |
if (count == 0) return; | |
if (type == SWT.HORIZONTAL) { | |
int x = rect.x + ((rect.width % count) / 2); | |
int width = rect.width / count; | |
int y = rect.y, height = rect.height; | |
for (int i=0; i<count; i++) { | |
Control child = children [i]; | |
child.setBounds (x, y, width, height); | |
x += width; | |
} | |
return; | |
} | |
int x = rect.x, width = rect.width; | |
int y = rect.y + ((rect.height % count) / 2); | |
int height = rect.height / count; | |
for (int i=0; i<count; i++) { | |
Control child = children [i]; | |
child.setBounds (x, y, width, height); | |
y += height; | |
} | |
} | |
} |