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comparison dwtx/novocode/CustomSeparator.d @ 188:e3780acbbf80

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Added ported sources from Novocode, thanks to WasserDragoon
author Frank Benoit <benoit@tionex.de>
date Sun, 26 Oct 2008 14:54:39 +0100
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children df4e66472aff
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187:293a2f22f944 188:e3780acbbf80
1 /**
2 Original: com.novocode.naf.swt.custom.CustomSeparator
3 ***/
4
5 /*******************************************************************************
6 * Copyright (c) 2004 Stefan Zeiger and others.
7 * All rights reserved. This program and the accompanying materials
8 * are made available under the terms of the Eclipse Public License v1.0
9 * which accompanies this distribution, and is available at
10 * http://www.novocode.com/legal/epl-v10.html
11 *
12 * Contributors:
13 * Stefan Zeiger (szeiger@novocode.com) - initial API and implementation
14 *******************************************************************************/
15
16 module dwtx.novocode.CustomSeparator;
17
18 import dwt.DWT;
19 /**import dwt.events.PaintEvent;**/
20 /**import dwt.events.PaintListener;**/
21 import dwt.graphics.Color;
22 import dwt.graphics.Point;
23 import dwt.graphics.Rectangle;
24 import dwt.widgets.Canvas;
25 import dwt.widgets.Composite;
26 import dwt.widgets.Display;
27 import dwt.widgets.Event;
28 import dwt.widgets.Listener;
29
30
31 /**
32 * Instances of this class are non-native separator lines.
33 * <dl>
34 * <dt><b>Styles:</b></dt>
35 * <dd>SHADOW_IN, SHADOW_OUT, SHADOW_NONE, HORIZONTAL, VERTICAL</dd>
36 * <dt><b>Events:</b></dt>
37 * <dd>(none)</dd>
38 * </dl>
39 * <p>
40 * Note: Only one of SHADOW_IN, SHADOW_OUT and SHADOW_NONE may be specified.
41 * If neither ist specified, the default value SHADOW_IN is used. If SHADOW_NONE
42 * is specified, a single line is drawn with the control's foreground color.
43 * Only one of HORIZONTAL and VERTICAL may be specified. The default is VERTICAL.
44 * </p>
45 *
46 * @author Stefan Zeiger (szeiger@novocode.com)
47 * @since Feb 12, 2004
48 * @version $Id: CustomSeparator.java 199 2004-10-08 13:20:36 +0000 (Fri, 08 Oct 2004) szeiger $
49 */
50
51 class CustomSeparator : Canvas
52 {
53 private int lineSize;
54 private int style;
55
56
57 this(Composite parent, int style)
58 {
59 super(parent, style = checkStyle (style));
60
61 this.style = style;
62
63 if((style & DWT.SHADOW_IN) !is 0 || (style & DWT.SHADOW_OUT) !is 0) lineSize = 2;
64 else lineSize = 1;
65
66 /**addPaintListener(new class() PaintListener
67 {
68 public void paintControl(PaintEvent event) { onPaint(event); }
69 });*/
70 addListener(DWT.Paint, dgListener(&onPaint));
71 }
72
73
74 private int checkStyle(int style)
75 {
76 int mask = DWT.SHADOW_IN | DWT.SHADOW_OUT| DWT.SHADOW_NONE | DWT.HORIZONTAL | DWT.VERTICAL;
77 style &= mask;
78 if((style & (DWT.SHADOW_IN | DWT.SHADOW_OUT| DWT.SHADOW_NONE)) is 0) style |= DWT.SHADOW_IN;
79 if((style & (DWT.HORIZONTAL | DWT.VERTICAL)) is 0) style |= DWT.VERTICAL;
80 return style;
81 }
82
83
84 public Point computeSize(int wHint, int hHint, bool changed)
85 {
86 checkWidget();
87 if(wHint is DWT.DEFAULT) wHint = lineSize;
88 if(hHint is DWT.DEFAULT) hHint = lineSize;
89 return new Point(wHint, hHint);
90 }
91
92
93 public bool setFocus()
94 {
95 checkWidget();
96 return false;
97 }
98
99
100 private void onPaint(PaintEvent event)
101 {
102 Rectangle r = getClientArea();
103 if(r.width is 0 || r.height is 0) return;
104 bool horiz = ((style & DWT.HORIZONTAL) !is 0);
105 int mid = horiz ? r.y + (r.height/2) : r.x + (r.width/2);
106
107 Display disp = getDisplay();
108 event.gc.setLineWidth(1);
109
110 if((style & DWT.SHADOW_IN) !is 0)
111 {
112 Color shadow = disp.getSystemColor(DWT.COLOR_WIDGET_NORMAL_SHADOW);
113 Color highlight = disp.getSystemColor(DWT.COLOR_WIDGET_HIGHLIGHT_SHADOW);
114 event.gc.setForeground(shadow);
115 if(horiz) event.gc.drawLine(r.x, mid-1, r.x+r.width-1, mid-1);
116 else event.gc.drawLine(mid-1, r.y, mid-1, r.y+r.height-1);
117 event.gc.setForeground(highlight);
118 if(horiz) event.gc.drawLine(r.x, mid, r.x+r.width-1, mid);
119 else event.gc.drawLine(mid, r.y, mid, r.y+r.height-1);
120 }
121 else if((style & DWT.SHADOW_OUT) !is 0)
122 {
123 Color shadow = disp.getSystemColor(DWT.COLOR_WIDGET_NORMAL_SHADOW);
124 Color highlight = disp.getSystemColor(DWT.COLOR_WIDGET_HIGHLIGHT_SHADOW);
125 event.gc.setForeground(highlight);
126 if(horiz) event.gc.drawLine(r.x, mid-1, r.x+r.width-1, mid-1);
127 else event.gc.drawLine(mid-1, r.y, mid-1, r.y+r.height-1);
128 event.gc.setForeground(shadow);
129 if(horiz) event.gc.drawLine(r.x, mid, r.x+r.width-1, mid);
130 else event.gc.drawLine(mid, r.y, mid, r.y+r.height-1);
131 }
132 else
133 {
134 event.gc.setForeground(getForeground());
135 if(horiz) event.gc.drawLine(r.x, mid, r.x+r.width-1, mid);
136 else event.gc.drawLine(mid, r.y, mid, r.y+r.height-1);
137 }
138 }
139 }