1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
package org.eclipse.swt.layout;
/*
* Licensed Materials - Property of IBM,
* WebSphere Studio Workbench
* (c) Copyright IBM Corp 2000
*/
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;
}
}
}
|
