diff snippets/styledtext/Snippet218.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/Snippet218.d	Fri Aug 22 07:27:56 2008 +0800
@@ -0,0 +1,89 @@
+/*******************************************************************************
+ * 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.Snippet218;
+/*
+ * SWT StyledText snippet: use gradient background.
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ *
+ * @since 3.2
+ */
+
+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.Event;
+import dwt.widgets.Listener;
+import dwt.graphics.FontData;
+import dwt.graphics.Font;
+import dwt.graphics.Rectangle;
+import dwt.graphics.GC;
+import dwt.graphics.Image;
+
+import dwt.dwthelper.utils;
+
+import Math = tango.math.Math;
+version(JIVE){
+    import jive.stacktrace;
+}
+
+void main() {
+    static String text = "Plans do not materialize out of nowhere, nor are they entirely static. To ensure the planning process is "
+        "transparent and open to the entire Eclipse community, we (the Eclipse PMC) post plans in an embryonic "
+        "form and revise them throughout the release cycle. \n"
+        "The first part of the plan deals with the important matters of release deliverables, release milestones, target "
+        "operating environments, and release-to-release compatibility. These are all things that need to be clear for "
+        "any release, even if no features were to change.  \n";
+    static Image oldImage;
+
+
+    Display display = new Display();
+    Shell shell = new Shell(display);
+    shell.setLayout(new FillLayout());
+    StyledText styledText = new StyledText(shell, DWT.WRAP | DWT.BORDER);
+    styledText.setText(text);
+    FontData data = display.getSystemFont().getFontData()[0];
+    Font font = new Font(display, data.getName(), 16f, DWT.BOLD);
+    styledText.setFont(font);
+    styledText.setForeground(display.getSystemColor (DWT.COLOR_BLUE));
+
+    void onResize (Event event) {
+        Rectangle rect = styledText.getClientArea ();
+        Image newImage = new Image (display, 1, Math.max (1, rect.height));
+        GC gc = new GC (newImage);
+        gc.setForeground (display.getSystemColor (DWT.COLOR_WHITE));
+        gc.setBackground (display.getSystemColor (DWT.COLOR_YELLOW));
+        gc.fillGradientRectangle (rect.x, rect.y, 1, rect.height, true);
+        gc.dispose ();
+        styledText.setBackgroundImage (newImage);
+        if (oldImage !is null) oldImage.dispose ();
+        oldImage = newImage;
+    }
+
+    styledText.addListener (DWT.Resize, dgListener(&onResize));
+
+    shell.setSize(700, 400);
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch())
+            display.sleep();
+    }
+    if (oldImage !is null) oldImage.dispose ();
+    font.dispose();
+    display.dispose();
+}
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