Mercurial > projects > dwt-samples
annotate snippets/control/Snippet214.d @ 119:9a1be6ff19a2
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author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 20 Jul 2008 15:26:06 +0200 |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2005 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 * D Port: |
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11 * Thomas Demmer <t_demmer AT web DOT de> |
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12 *******************************************************************************/ |
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13 module control.Snippet214; |
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14 |
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15 /* |
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16 * Control example snippet: set a background image (a dynamic gradient) |
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17 * |
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18 * For a list of all SWT example snippets see |
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19 * http://www.eclipse.org/swt/snippets/ |
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20 * |
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21 * @since 3.2 |
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22 */ |
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23 import dwt.DWT; |
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24 |
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25 import dwt.graphics.GC; |
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26 import dwt.graphics.Image; |
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27 import dwt.graphics.Rectangle; |
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28 import dwt.layout.FillLayout; |
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29 import dwt.layout.RowLayout; |
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30 import dwt.widgets.Button; |
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31 import dwt.widgets.Display; |
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32 import dwt.widgets.Event; |
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33 import dwt.widgets.Group; |
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34 import dwt.widgets.Listener; |
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35 import dwt.widgets.Shell; |
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36 import dwt.layout.RowLayout; |
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37 |
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38 import dwt.dwthelper.utils; |
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39 |
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40 import tango.util.Convert; |
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41 |
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42 static Image oldImage; |
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43 void main(String [] args) { |
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44 Display display = new Display (); |
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45 Shell shell = new Shell (display); |
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46 shell.setBackgroundMode (DWT.INHERIT_DEFAULT); |
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47 FillLayout layout1 = new FillLayout (DWT.VERTICAL); |
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48 layout1.marginWidth = layout1.marginHeight = 10; |
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49 shell.setLayout (layout1); |
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50 Group group = new Group (shell, DWT.NONE); |
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51 group.setText ("Group "); |
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52 RowLayout layout2 = new RowLayout (DWT.VERTICAL); |
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53 layout2.marginWidth = layout2.marginHeight = layout2.spacing = 10; |
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54 group.setLayout (layout2); |
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55 for (int i=0; i<8; i++) { |
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56 Button button = new Button (group, DWT.RADIO); |
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57 button.setText ("Button " ~ to!(char[])(i)); |
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58 } |
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59 shell.addListener (DWT.Resize, new class() Listener { |
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60 public void handleEvent (Event event) { |
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61 Rectangle rect = shell.getClientArea (); |
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62 Image newImage = new Image (display, Math.max (1, rect.width), 1); |
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63 GC gc = new GC (newImage); |
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64 gc.setForeground (display.getSystemColor (DWT.COLOR_WHITE)); |
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65 gc.setBackground (display.getSystemColor (DWT.COLOR_BLUE)); |
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66 gc.fillGradientRectangle (rect.x, rect.y, rect.width, 1, false); |
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67 gc.dispose (); |
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68 shell.setBackgroundImage (newImage); |
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69 if (oldImage !is null) oldImage.dispose (); |
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70 oldImage = newImage; |
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71 } |
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72 }); |
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73 shell.pack (); |
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74 shell.open (); |
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75 while (!shell.isDisposed ()) { |
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76 if (!display.readAndDispatch ()) display.sleep (); |
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77 } |
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78 if (oldImage !is null) oldImage.dispose (); |
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79 display.dispose (); |
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80 } |
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81 |