Mercurial > projects > dwt-linux
comparison dwt/layout/RowData.d @ 51:e300eb95bec4
RowData, RowLayout
author | Frank Benoit <benoit@tionex.de> |
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date | Fri, 11 Jan 2008 10:57:51 +0100 |
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children | 8cec8f536af3 |
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50:d48f7334742c | 51:e300eb95bec4 |
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1 /******************************************************************************* | |
2 * Copyright (c) 2000, 2006 IBM Corporation and others. | |
3 * All rights reserved. This program and the accompanying materials | |
4 * are made available under the terms of the Eclipse Public License v1.0 | |
5 * which accompanies this distribution, and is available at | |
6 * http://www.eclipse.org/legal/epl-v10.html | |
7 * | |
8 * Contributors: | |
9 * IBM Corporation - initial API and implementation | |
10 *******************************************************************************/ | |
11 module dwt.layout.RowData; | |
12 | |
13 import dwt.SWT; | |
14 import dwt.graphics.Point; | |
15 import dwt.widgets.Control; | |
16 | |
17 import tango.text.Util; | |
18 import tango.util.Convert; | |
19 | |
20 /** | |
21 * Each control controlled by a <code>RowLayout</code> can have its initial | |
22 * width and height specified by setting a <code>RowData</code> object | |
23 * into the control. | |
24 * <p> | |
25 * The following code uses a <code>RowData</code> object to change the initial | |
26 * size of a <code>Button</code> in a <code>Shell</code>: | |
27 * <pre> | |
28 * Display display = new Display(); | |
29 * Shell shell = new Shell(display); | |
30 * shell.setLayout(new RowLayout()); | |
31 * Button button1 = new Button(shell, SWT.PUSH); | |
32 * button1.setText("Button 1"); | |
33 * button1.setLayoutData(new RowData(50, 40)); | |
34 * </pre> | |
35 * </p> | |
36 * | |
37 * @see RowLayout | |
38 */ | |
39 public final class RowData { | |
40 /** | |
41 * width specifies the desired width in pixels. This value | |
42 * is the wHint passed into Control.computeSize(int, int, bool) | |
43 * to determine the preferred size of the control. | |
44 * | |
45 * The default value is SWT.DEFAULT. | |
46 * | |
47 * @see dwt.widgets.Control#computeSize(int, int, bool) | |
48 */ | |
49 public int width = SWT.DEFAULT; | |
50 /** | |
51 * height specifies the preferred height in pixels. This value | |
52 * is the hHint passed into Control.computeSize(int, int, bool) | |
53 * to determine the preferred size of the control. | |
54 * | |
55 * The default value is SWT.DEFAULT. | |
56 * | |
57 * @see dwt.widgets.Control#computeSize(int, int, bool) | |
58 */ | |
59 public int height = SWT.DEFAULT; | |
60 | |
61 /** | |
62 * exclude informs the layout to ignore this control when sizing | |
63 * and positioning controls. If this value is <code>true</code>, | |
64 * the size and position of the control will not be managed by the | |
65 * layout. If this value is <code>false</code>, the size and | |
66 * position of the control will be computed and assigned. | |
67 * | |
68 * The default value is <code>false</code>. | |
69 * | |
70 * @since 3.1 | |
71 */ | |
72 public bool exclude = false; | |
73 | |
74 /** | |
75 * Constructs a new instance of RowData using | |
76 * default values. | |
77 */ | |
78 public this () { | |
79 } | |
80 | |
81 /** | |
82 * Constructs a new instance of RowData according to the parameters. | |
83 * A value of SWT.DEFAULT indicates that no minimum width or | |
84 * no minimum height is specified. | |
85 * | |
86 * @param width a minimum width for the control | |
87 * @param height a minimum height for the control | |
88 */ | |
89 public this (int width, int height) { | |
90 this.width = width; | |
91 this.height = height; | |
92 } | |
93 | |
94 /** | |
95 * Constructs a new instance of RowData according to the parameter. | |
96 * A value of SWT.DEFAULT indicates that no minimum width or | |
97 * no minimum height is specified. | |
98 * | |
99 * @param point a point whose x coordinate specifies a minimum width for the control | |
100 * and y coordinate specifies a minimum height for the control | |
101 */ | |
102 public this (Point point) { | |
103 this (point.x, point.y); | |
104 } | |
105 | |
106 char[] getName () { | |
107 char[] string = this.classinfo.name; | |
108 int index = locatePrior( string, '.'); | |
109 if (index is string.length ) return string; | |
110 return string[ index + 1 .. string.length ]; | |
111 } | |
112 | |
113 /** | |
114 * Returns a string containing a concise, human-readable | |
115 * description of the receiver. | |
116 * | |
117 * @return a string representation of the RowData object | |
118 */ | |
119 public char[] toString () { | |
120 char[] string = getName ()~" {"; | |
121 if (width !is SWT.DEFAULT) string ~= "width="~to!(char[])(width)~" "; | |
122 if (height !is SWT.DEFAULT) string ~= "height="~to!(char[])(height)~" "; | |
123 if (exclude) string ~= "exclude="~to!(char[])(exclude)~" "; | |
124 string = trim( string ); | |
125 string ~= "}"; | |
126 return string; | |
127 } | |
128 } |