org.eclipse.swt.snippets.Snippet244 source code

1 #!/usr/bin/env dub
2 /+
3 dub.sdl:
4     name "snippet244"
5     dependency "dwt" path="../../../../../../"
6     libs \
7       "atk-1.0" \
8       "cairo" \
9       "dl" \
10       "fontconfig" \
11       "gdk-x11-2.0" \
12       "gdk_pixbuf-2.0" \
13       "glib-2.0" \
14       "gmodule-2.0" \
15       "gnomeui-2" \
16       "gnomevfs-2" \
17       "gobject-2.0" \
18       "gthread-2.0" \
19       "gtk-x11-2.0" \
20       "pango-1.0" \
21       "pangocairo-1.0" \
22       "X11" \
23       "Xcomposite" \
24       "Xcursor" \
25       "Xdamage" \
26       "Xext" \
27       "Xfixes" \
28       "Xi" \
29       "Xinerama" \
30       "Xrandr" \
31       "Xrender" \
32       "Xtst" \
33       platform="linux"
34 +/
35 
36 /*******************************************************************************
37  * Copyright (c) 2000, 2004 IBM Corporation and others.
38  * All rights reserved. This program and the accompanying materials
39  * are made available under the terms of the Eclipse Public License v1.0
40  * which accompanies this distribution, and is available at
41  * http://www.eclipse.org/legal/epl-v10.html
42  *
43  * Contributors:
44  *     IBM Corporation - initial API and implementation
45  * Port to the D programming language:
46  *     yidabu at gmail dot com  ( D China http://www.d-programming-language-china.org/ )
47  *******************************************************************************/
48 
49 module org.eclipse.swt.snippets.Snippet244;
50 /*
51  * StyledText snippet: Draw a box around text.
52  *
53  * For a list of all SWT example snippets see
54  * http://www.eclipse.org/swt/snippets/
55  */
56 
57 import org.eclipse.swt.SWT;
58 import org.eclipse.swt.custom.StyledText;
59 import org.eclipse.swt.custom.StyleRange;
60 import org.eclipse.swt.layout.FillLayout;
61 import org.eclipse.swt.widgets.Display;
62 import org.eclipse.swt.widgets.Shell;
63 import org.eclipse.swt.widgets.Listener;
64 import org.eclipse.swt.widgets.Event;
65 import org.eclipse.swt.graphics.Color;
66 import org.eclipse.swt.graphics.Point;
67 
68 import java.lang.all;
69 version(JIVE){
70     import jive.stacktrace;
71 }
72 
73 void main() {
74     const String SEARCH_STRING = "box";
75     Display display = new Display();
76     Color RED = display.getSystemColor(SWT.COLOR_RED);
77     Shell shell = new Shell(display);
78     shell.setBounds(10,10,250,250);
79     StyledText text = new StyledText(shell, SWT.NONE);
80     text.setBounds(10,10,200,200);
81 
82     void onPaint(Event event) {
83         String contents = text.getText();
84         int stringWidth = event.gc.stringExtent(SEARCH_STRING).x;
85         int lineHeight = text.getLineHeight();
86         event.gc.setForeground(RED);
87         int index = contents.indexOf(SEARCH_STRING);
88         while (index != -1) {
89             Point topLeft = text.getLocationAtOffset(index);
90             event.gc.drawRectangle(topLeft.x - 1, topLeft.y, stringWidth + 1, lineHeight - 1);
91             index = contents.indexOf(SEARCH_STRING, index + 1);
92         }
93     }
94 
95     text.addListener(SWT.Paint, dgListener(&onPaint));
96 
97     text.setText("This demonstrates drawing a box\naround every occurrence of the word\nbox in the StyledText");
98     shell.open();
99     while (!shell.isDisposed()) {
100         if (!display.readAndDispatch()) display.sleep();
101     }
102     display.dispose();
103 }