diff snippets/styledtext/Snippet244.d @ 155:04d05db6dca4

styledtext: Snippet211, Snippet213, Snippet217, Snippet218, Snippet222, Snippet244
author yidabu <yidabu@gmail.com>
date Fri, 22 Aug 2008 07:27:56 +0800
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/snippets/styledtext/Snippet244.d	Fri Aug 22 07:27:56 2008 +0800
@@ -0,0 +1,68 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     yidabu at gmail dot com  ( D China http://www.d-programming-language-china.org/ )
+ *******************************************************************************/
+
+module styledtext.Snippet244;
+/*
+ * StyledText snippet: Draw a box around text.
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ */
+
+import dwt.DWT;
+import dwt.custom.StyledText;
+import dwt.custom.StyleRange;
+import dwt.layout.FillLayout;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+import dwt.widgets.Listener;
+import dwt.widgets.Event;
+import dwt.graphics.Color;
+import dwt.graphics.Point;
+
+import dwt.dwthelper.utils;
+version(JIVE){
+    import jive.stacktrace;
+}
+
+void main() {
+    static String SEARCH_STRING = "box";
+    Display display = new Display();
+    Color RED = display.getSystemColor(DWT.COLOR_RED);
+    Shell shell = new Shell(display);
+    shell.setBounds(10,10,250,250);
+    StyledText text = new StyledText(shell, DWT.NONE);
+    text.setBounds(10,10,200,200);
+
+    void onPaint(Event event) {
+        String contents = text.getText();
+        int stringWidth = event.gc.stringExtent(SEARCH_STRING).x;
+        int lineHeight = text.getLineHeight();
+        event.gc.setForeground(RED);
+        int index = contents.indexOf(SEARCH_STRING);
+        while (index != -1) {
+            Point topLeft = text.getLocationAtOffset(index);
+            event.gc.drawRectangle(topLeft.x - 1, topLeft.y, stringWidth + 1, lineHeight - 1);
+            index = contents.indexOf(SEARCH_STRING, index + 1);
+        }
+    }
+
+    text.addListener(DWT.Paint, dgListener(&onPaint));
+
+    text.setText("This demonstrates drawing a box\naround every occurrence of the word\nbox in the StyledText");
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch()) display.sleep();
+    }
+    display.dispose();
+}