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1 /*
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2 * Copyright (c) 2000, 2002 IBM Corp. All rights reserved.
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3 * This file is made available under the terms of the Common Public License v1.0
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4 * which accompanies this distribution, and is available at
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5 * http://www.eclipse.org/legal/cpl-v10.html
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6 *
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7 * Port to the D programming language
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8 * Frank Benoit <benoit@tionex.de>
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9 */
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10 module dwtexamples.sleak.SleakExample;
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11
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36
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12 import dwt.DWT;
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13 import dwt.graphics.DeviceData;
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14 // import dwt.graphics.Rectangle;
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15 // import dwt.graphics.GC;
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16 // import dwt.graphics.Point;
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17 // import dwt.graphics.Color;
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18 // import dwt.graphics.Font;
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19 // import dwt.graphics.FontData;
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20 // import dwt.graphics.Region;
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21 // import dwt.graphics.Cursor;
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22 import dwt.widgets.Display;
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23 import dwt.widgets.Shell;
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24 import dwt.widgets.Canvas;
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25 // import dwt.widgets.Button;
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26 // import dwt.widgets.Label;
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27 import dwt.widgets.List;
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28 // import dwt.widgets.Text;
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29 // import dwt.widgets.Event;
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30 // import dwt.widgets.Listener;
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31 // import dwt.widgets.MessageBox;
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32
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33 import dwtx.sleak.Sleak;
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34
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35
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35
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36 import dwt.program.Program;
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37 import dwt.graphics.ImageData;
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38 import dwt.graphics.Image;
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39 import dwt.layout.FillLayout;
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40 import dwt.events.PaintListener;
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41 import dwt.events.PaintEvent;
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42 import dwt.events.SelectionAdapter;
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43 import dwt.events.SelectionEvent;
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44 import tango.io.Stdout;
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45 version(JIVE){
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46 import jive.stacktrace;
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47 }
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48
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49 void main() {
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50 Display display;
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51 Shell shell;
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52 List list;
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53 Canvas canvas;
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54 Image image;
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55
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56 version( all ){
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57 DeviceData data = new DeviceData();
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58 data.tracking = true;
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59 display = new Display(data);
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60 Sleak sleak = new Sleak();
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61 sleak.open();
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62 }
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63 else{
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64 display = new Display();
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65 }
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66
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67 shell = new Shell(display);
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68 shell.setLayout(new FillLayout());
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69 list = new List(shell, DWT.BORDER | DWT.SINGLE | DWT.V_SCROLL | DWT.H_SCROLL);
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70 list.setItems(Program.getExtensions());
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71 canvas = new Canvas(shell, DWT.BORDER);
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72 canvas.addPaintListener(new class() PaintListener {
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73 public void paintControl(PaintEvent e) {
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74 if (image !is null) {
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75 e.gc.drawImage(image, 0, 0);
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76 }
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77 }
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78 });
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79 list.addSelectionListener(new class() SelectionAdapter {
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80 public void widgetSelected(SelectionEvent e) {
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81 image = null; // potentially leak one image
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82 char[][] selection = list.getSelection();
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83 if (selection.length !is 0) {
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84 Program program = Program.findProgram(selection[0]);
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85 if (program !is null) {
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86 ImageData imageData = program.getImageData();
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87 if (imageData !is null) {
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88 if (image !is null) image.dispose();
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89 image = new Image(display, imageData);
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90 }
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91 }
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92 }
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93 canvas.redraw();
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94 }
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95 });
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96 shell.setSize(shell.computeSize(DWT.DEFAULT, 200));
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97 shell.open();
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98 while (!shell.isDisposed()) {
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99 if (!display.readAndDispatch())
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100 display.sleep();
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101 }
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102 }
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