public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setLayout(new RowLayout());
   Text text = new Text(shell, SWT.MULTI | SWT.BORDER);
   String modifier = SWT.MOD1 == SWT.CTRL ? "Ctrl" : "Command";
   text.setText("Hit " + modifier + "+Return\nto see\nthe default button\nrun");
   text.addTraverseListener(
       e -> {
         switch (e.detail) {
           case SWT.TRAVERSE_RETURN:
             if ((e.stateMask & SWT.MOD1) != 0) e.doit = true;
         }
       });
   Button button = new Button(shell, SWT.PUSH);
   button.pack();
   button.setText("OK");
   button.addSelectionListener(
       new SelectionAdapter() {
         @Override
         public void widgetSelected(SelectionEvent e) {
           System.out.println("OK selected");
         }
       });
   shell.setDefaultButton(button);
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setText("StyledText with underline and strike through");
   shell.setLayout(new FillLayout());
   StyledText text = new StyledText(shell, SWT.BORDER);
   text.setText("0123456789 ABCDEFGHIJKLM NOPQRSTUVWXYZ");
   // make 0123456789 appear underlined
   StyleRange style1 = new StyleRange();
   style1.start = 0;
   style1.length = 10;
   style1.underline = true;
   text.setStyleRange(style1);
   // make ABCDEFGHIJKLM have a strike through
   StyleRange style2 = new StyleRange();
   style2.start = 11;
   style2.length = 13;
   style2.strikeout = true;
   text.setStyleRange(style2);
   // make NOPQRSTUVWXYZ appear underlined and have a strike through
   StyleRange style3 = new StyleRange();
   style3.start = 25;
   style3.length = 13;
   style3.underline = true;
   style3.strikeout = true;
   text.setStyleRange(style3);
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
示例#3
0
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new RowLayout());

    DateTime calendar = new DateTime(shell, SWT.CALENDAR);
    calendar.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            System.out.println("calendar date changed");
          }
        });

    DateTime time = new DateTime(shell, SWT.TIME);
    time.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            System.out.println("time changed");
          }
        });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
示例#4
0
 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setLayout(new RowLayout());
   Combo combo = new Combo(shell, SWT.NONE);
   combo.setItems(new String[] {"A-1", "B-1", "C-1"});
   Text text = new Text(shell, SWT.SINGLE | SWT.BORDER);
   text.setText("some text");
   combo.addListener(
       SWT.DefaultSelection,
       new Listener() {
         public void handleEvent(Event e) {
           System.out.println(e.widget + " - Default Selection");
         }
       });
   text.addListener(
       SWT.DefaultSelection,
       new Listener() {
         public void handleEvent(Event e) {
           System.out.println(e.widget + " - Default Selection");
         }
       });
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
  public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Widget");

    final Table table = new Table(shell, SWT.MULTI);
    table.setLinesVisible(true);
    table.setBounds(10, 10, 100, 100);
    for (int i = 0; i < 9; i++) {
      new TableItem(table, SWT.NONE).setText("item" + i);
    }

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.pack();
    button.setLocation(10, 140);
    button.addListener(
        SWT.Selection,
        event -> {
          Point tableSize = table.getSize();
          GC gc = new GC(table);
          final Image image = new Image(display, tableSize.x, tableSize.y);
          gc.copyArea(image, 0, 0);
          gc.dispose();

          Shell popup = new Shell(shell);
          popup.setText("Image");
          popup.addListener(SWT.Close, e -> image.dispose());

          Canvas canvas = new Canvas(popup, SWT.NONE);
          canvas.setBounds(10, 10, tableSize.x + 10, tableSize.y + 10);
          canvas.addPaintListener(e -> e.gc.drawImage(image, 0, 0));
          popup.pack();
          popup.open();
        });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
示例#6
0
 private static void start() {
   Display display = new Display();
   Shell shell = new Shell(display);
   MainPane mainPane = new MainPane(shell, SWT.NONE);
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
  public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    final Button button = new Button(shell, SWT.NONE);
    button.setSize(100, 100);
    button.setText("Click");
    shell.pack();
    shell.open();
    button.addListener(
        SWT.MouseDown,
        new Listener() {
          @Override
          public void handleEvent(Event e) {
            System.out.println(
                "Mouse Down (button: " + e.button + " x: " + e.x + " y: " + e.y + ")");
          }
        });
    final Point pt = display.map(shell, null, 50, 50);
    new Thread() {
      Event event;

      @Override
      public void run() {
        try {
          Thread.sleep(300);
        } catch (InterruptedException e) {
        }
        event = new Event();
        event.type = SWT.MouseMove;
        event.x = pt.x;
        event.y = pt.y;
        display.post(event);
        try {
          Thread.sleep(300);
        } catch (InterruptedException e) {
        }
        event.type = SWT.MouseDown;
        event.button = 1;
        display.post(event);
        try {
          Thread.sleep(300);
        } catch (InterruptedException e) {
        }
        event.type = SWT.MouseUp;
        display.post(event);
      }
    }.start();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("Snippet 346");

    Text text = new Text(shell, SWT.PASSWORD | SWT.BORDER);
    text.setTextChars(new char[] {'p', 'a', 's', 's'});
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;
    layout.fill = false;
    layout.justify = true;
    shell.setLayout(layout);

    Button b = new Button(shell, SWT.PUSH);
    b.setText("Button 1");
    b = new Button(shell, SWT.PUSH);

    b.setText("Button 2");

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 3");

    b = new Button(shell, SWT.PUSH);
    b.setText("Not shown");
    b.setVisible(false);
    RowData data = new RowData();
    data.exclude = true;
    b.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 200 high");
    data = new RowData();
    data.height = 200;
    b.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 200 wide");
    data = new RowData();
    data.width = 200;
    b.setLayoutData(data);

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
示例#10
0
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(2, false));

    final Text text = new Text(shell, SWT.SEARCH | SWT.ICON_CANCEL);
    Image image = null;
    if ((text.getStyle() & SWT.ICON_CANCEL) == 0) {
      image = display.getSystemImage(SWT.ICON_ERROR);
      ToolBar toolBar = new ToolBar(shell, SWT.FLAT);
      ToolItem item = new ToolItem(toolBar, SWT.PUSH);
      item.setImage(image);
      item.addSelectionListener(
          new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
              text.setText("");
              System.out.println("Search cancelled");
            }
          });
    }
    text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    text.setText("Search text");
    text.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetDefaultSelected(SelectionEvent e) {
            if (e.detail == SWT.CANCEL) {
              System.out.println("Search cancelled");
            } else {
              System.out.println("Searching for: " + text.getText() + "...");
            }
          }
        });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    if (image != null) image.dispose();
    display.dispose();
  }
示例#11
0
 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   final Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
   Rectangle clientArea = shell.getClientArea();
   table.setBounds(clientArea.x, clientArea.y, 200, 200);
   for (int i = 0; i < 128; i++) {
     TableItem item = new TableItem(table, SWT.NONE);
     item.setText("Item " + i);
   }
   Menu menu = new Menu(shell, SWT.POP_UP);
   table.setMenu(menu);
   MenuItem item = new MenuItem(menu, SWT.PUSH);
   item.setText("Delete Selection");
   item.addListener(SWT.Selection, event -> table.remove(table.getSelectionIndices()));
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
示例#12
0
    protected authDialog(
        AESemaphore _sem, Display display, String realm, String tracker, String torrent_name) {
      sem = _sem;

      if (display.isDisposed()) {

        sem.release();

        return;
      }

      shell = new Shell(display, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);

      Utils.setShellIcon(shell);
      Messages.setLanguageText(shell, "authenticator.title");

      GridLayout layout = new GridLayout();
      layout.numColumns = 3;

      shell.setLayout(layout);

      GridData gridData;

      // realm

      Label realm_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(realm_label, "authenticator.realm");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      realm_label.setLayoutData(gridData);

      Label realm_value = new Label(shell, SWT.NULL);
      realm_value.setText(realm.replaceAll("&", "&&"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      realm_value.setLayoutData(gridData);

      // tracker

      Label tracker_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(tracker_label, "authenticator.tracker");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      tracker_label.setLayoutData(gridData);

      Label tracker_value = new Label(shell, SWT.NULL);
      tracker_value.setText(tracker.replaceAll("&", "&&"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      tracker_value.setLayoutData(gridData);

      if (torrent_name != null) {

        Label torrent_label = new Label(shell, SWT.NULL);
        Messages.setLanguageText(torrent_label, "authenticator.torrent");
        gridData = new GridData(GridData.FILL_BOTH);
        gridData.horizontalSpan = 1;
        torrent_label.setLayoutData(gridData);

        Label torrent_value = new Label(shell, SWT.NULL);
        torrent_value.setText(torrent_name.replaceAll("&", "&&"));
        gridData = new GridData(GridData.FILL_BOTH);
        gridData.horizontalSpan = 2;
        torrent_value.setLayoutData(gridData);
      }
      // user

      Label user_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(user_label, "authenticator.user");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      user_label.setLayoutData(gridData);

      final Text user_value = new Text(shell, SWT.BORDER);
      user_value.setText("");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      user_value.setLayoutData(gridData);

      user_value.addListener(
          SWT.Modify,
          new Listener() {
            public void handleEvent(Event event) {
              username = user_value.getText();
            }
          });

      // password

      Label password_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(password_label, "authenticator.password");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      password_label.setLayoutData(gridData);

      final Text password_value = new Text(shell, SWT.BORDER);
      password_value.setEchoChar('*');
      password_value.setText("");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      password_value.setLayoutData(gridData);

      password_value.addListener(
          SWT.Modify,
          new Listener() {
            public void handleEvent(Event event) {
              password = password_value.getText();
            }
          });

      // persist

      Label blank_label = new Label(shell, SWT.NULL);
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      blank_label.setLayoutData(gridData);

      final Button checkBox = new Button(shell, SWT.CHECK);
      checkBox.setText(MessageText.getString("authenticator.savepassword"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      checkBox.setLayoutData(gridData);
      checkBox.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              persist = checkBox.getSelection();
            }
          });

      // line

      Label labelSeparator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
      gridData = new GridData(GridData.FILL_HORIZONTAL);
      gridData.horizontalSpan = 3;
      labelSeparator.setLayoutData(gridData);

      // buttons

      new Label(shell, SWT.NULL);

      Button bOk = new Button(shell, SWT.PUSH);
      Messages.setLanguageText(bOk, "Button.ok");
      gridData =
          new GridData(
              GridData.FILL_HORIZONTAL
                  | GridData.HORIZONTAL_ALIGN_END
                  | GridData.HORIZONTAL_ALIGN_FILL);
      gridData.grabExcessHorizontalSpace = true;
      gridData.widthHint = 70;
      bOk.setLayoutData(gridData);
      bOk.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              close(true);
            }
          });

      Button bCancel = new Button(shell, SWT.PUSH);
      Messages.setLanguageText(bCancel, "Button.cancel");
      gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
      gridData.grabExcessHorizontalSpace = false;
      gridData.widthHint = 70;
      bCancel.setLayoutData(gridData);
      bCancel.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              close(false);
            }
          });

      shell.setDefaultButton(bOk);

      shell.addListener(
          SWT.Traverse,
          new Listener() {
            public void handleEvent(Event e) {
              if (e.character == SWT.ESC) {
                close(false);
              }
            }
          });

      shell.pack();

      Utils.centreWindow(shell);

      shell.open();

      shell.forceActive();
    }
示例#13
0
  /**
   * Constructor to create an editor to update/create an ontology entry
   *
   * @param display - points back to the display
   * @param oureditOntEntry - the entry being edited
   * @param ontParent - the edited item's parent in the hierarchy
   * @param newItem - true if this is a new item
   */
  public EditOntEntry(
      Display display, OntEntry oureditOntEntry, OntEntry ontParent, boolean newItem) {
    super();
    shell = new Shell(display, SWT.DIALOG_TRIM | SWT.PRIMARY_MODAL);
    shell.setText("OntEntry Information");
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 3;
    gridLayout.marginHeight = 5;
    gridLayout.makeColumnsEqualWidth = true;
    shell.setLayout(gridLayout);

    ourOntEntry = oureditOntEntry;
    ourParent = ontParent;

    if (newItem) {
      ourOntEntry.setName("");
      ourOntEntry.setImportance(Importance.MODERATE);
    }

    new Label(shell, SWT.NONE).setText("Name:");

    nameField = new Text(shell, SWT.SINGLE | SWT.BORDER | SWT.H_SCROLL);
    nameField.setText(ourOntEntry.getName());
    GridData gridData =
        new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
    DisplayUtilities.setTextDimensions(nameField, gridData, 75);
    gridData.horizontalSpan = 2;
    nameField.setLayoutData(gridData);

    new Label(shell, SWT.NONE).setText("Description:");

    descArea = new Text(shell, SWT.MULTI | SWT.WRAP | SWT.BORDER | SWT.V_SCROLL);
    descArea.setText(ourOntEntry.getDescription());
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
    DisplayUtilities.setTextDimensions(descArea, gridData, 75, 5);
    gridData.horizontalSpan = 2;
    gridData.heightHint = descArea.getLineHeight() * 3;
    descArea.setLayoutData(gridData);

    new Label(shell, SWT.NONE).setText("Importance:");
    importanceBox = new Combo(shell, SWT.DROP_DOWN | SWT.READ_ONLY);
    Enumeration impEnum = Importance.elements();
    int l = 0;
    Importance itype;
    while (impEnum.hasMoreElements()) {
      itype = (Importance) impEnum.nextElement();
      importanceBox.add(itype.toString());
      if (itype.toString().compareTo(ourOntEntry.getImportance().toString()) == 0) {
        importanceBox.select(l);
      }
      l++;
    }
    // Error checking: if no such selection is valid, set it to select index 0
    if (importanceBox.getSelectionIndex() == -1) {
      importanceBox.select(0);
    }
    importanceBox.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    new Label(shell, SWT.NONE).setText(" ");
    new Label(shell, SWT.NONE).setText(" ");

    addButton = new Button(shell, SWT.PUSH);
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
    addButton.setLayoutData(gridData);
    if (newItem) {
      addButton.setText("Add");
      addButton.addSelectionListener(
          new SelectionAdapter() {

            public void widgetSelected(SelectionEvent event) {
              canceled = false;
              if (!nameField.getText().trim().equals("")) {
                ConsistencyChecker checker =
                    new ConsistencyChecker(ourOntEntry.getID(), nameField.getText(), "OntEntries");

                if (ourOntEntry.getName() == nameField.getText() || checker.check()) {
                  ourParent.addChild(ourOntEntry);
                  ourOntEntry.setLevel(ourParent.getLevel() + 1);
                  ourOntEntry.setName(nameField.getText());
                  ourOntEntry.setDescription(descArea.getText());
                  ourOntEntry.setImportance(
                      Importance.fromString(
                          importanceBox.getItem(importanceBox.getSelectionIndex())));

                  // comment before this made no sense...
                  ourOntEntry.setID(ourOntEntry.toDatabase(ourParent.getID()));
                  System.out.println("Name of added item = " + ourOntEntry.getName());

                  shell.close();
                  shell.dispose();
                }
              } else {
                MessageBox mbox = new MessageBox(shell, SWT.ICON_ERROR);
                mbox.setMessage("Need to provide the OntEntry name");
                mbox.open();
              }
            }
          });

    } else {
      addButton.setText("Save");
      addButton.addSelectionListener(
          new SelectionAdapter() {

            public void widgetSelected(SelectionEvent event) {
              canceled = false;

              ConsistencyChecker checker =
                  new ConsistencyChecker(ourOntEntry.getID(), nameField.getText(), "OntEntries");

              if (ourOntEntry.getName() == nameField.getText() || checker.check()) {
                ourOntEntry.setName(nameField.getText());
                ourOntEntry.setDescription(descArea.getText());
                ourOntEntry.setImportance(
                    Importance.fromString(
                        importanceBox.getItem(importanceBox.getSelectionIndex())));
                // since this is a save, not an add, the type and parent are ignored
                ourOntEntry.setID(ourOntEntry.toDatabase(0));

                //			RationaleDB db = RationaleDB.getHandle();
                //			db.addOntEntry(ourOntEntry);

                shell.close();
                shell.dispose();
              }
            }
          });
    }

    cancelButton = new Button(shell, SWT.PUSH);
    cancelButton.setText("Cancel");
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
    cancelButton.setLayoutData(gridData);
    cancelButton.addSelectionListener(
        new SelectionAdapter() {

          public void widgetSelected(SelectionEvent event) {
            canceled = true;
            shell.close();
            shell.dispose();
          }
        });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
  }
示例#14
0
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());

    final Tree tree1 = new Tree(shell, SWT.NONE);
    new TreeColumn(tree1, SWT.NONE).setWidth(40);
    final TreeItem treeItem1 = new TreeItem(tree1, SWT.NONE);
    treeItem1.setText("A");
    final TreeItem treeItem12 = new TreeItem(tree1, SWT.NONE);
    treeItem12.setText("W");
    final Tree tree2 = new Tree(shell, SWT.BORDER);
    new TreeColumn(tree2, SWT.NONE).setWidth(40);
    final TreeItem treeItem2 = new TreeItem(tree2, SWT.NONE);
    treeItem2.setText("A");
    final TreeItem treeItem22 = new TreeItem(tree2, SWT.NONE);
    treeItem22.setText(".");
    final Tree tree3 = new Tree(shell, SWT.V_SCROLL);
    new TreeColumn(tree3, SWT.NONE).setWidth(40);
    final TreeItem treeItem3 = new TreeItem(tree3, SWT.NONE);
    treeItem3.setText("A");
    final TreeItem treeItem32 = new TreeItem(tree3, SWT.NONE);
    treeItem32.setText("ABC");
    final Tree tree4 = new Tree(shell, SWT.H_SCROLL);
    new TreeColumn(tree4, SWT.NONE).setWidth(40);
    final TreeItem treeItem4 = new TreeItem(tree4, SWT.NONE);
    treeItem4.setText(".");
    final TreeItem treeItem42 = new TreeItem(tree4, SWT.NONE);
    treeItem42.setText("A.");
    final Tree tree5 = new Tree(shell, SWT.V_SCROLL | SWT.H_SCROLL);
    new TreeColumn(tree5, SWT.NONE).setWidth(40);
    final TreeItem treeItem5 = new TreeItem(tree5, SWT.NONE);
    treeItem5.setText("W");
    final TreeItem treeItem52 = new TreeItem(tree5, SWT.NONE);
    treeItem52.setText("Width");

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
    //	Display display = new Display ();
    //	Shell shell = new Shell (display);
    //	shell.setLayout(new FillLayout());
    //	Image imageOpen = new Image(display, TestButton.class.getResourceAsStream("openFolder.gif"));
    //	Image imageClose = new Image(display,
    // TestButton.class.getResourceAsStream("closedFolder.gif"));
    //	final Tree tree = new Tree (shell, SWT.BORDER | SWT.CHECK);
    //	tree.setSize (100, 100);
    //	shell.setSize (300, 200);
    //	for (int i=0; i<2; i++) {
    //		TreeItem iItem = new TreeItem (tree, 0);
    //		iItem.setText ("TreeItem (0) -" + i);
    //		iItem.setImage(imageOpen);
    //		for (int j=0; j<2; j++) {
    //			TreeItem jItem = new TreeItem (iItem, 0);
    //			jItem.setText ("TreeItem (1) -" + j);
    //			jItem.setImage(imageClose);
    //			for (int k=0; k<3; k++) {
    //				TreeItem kItem = new TreeItem (jItem, 0);
    //				kItem.setText ("TreeItem (2) -" + k);
    ////				for (int l=0; l<2; l++) {
    ////					TreeItem lItem = new TreeItem (kItem, 0);
    ////					lItem.setText ("TreeItem (3) -" + l);
    ////				}
    //			}
    //		}
    //	}
    //	shell.open ();
    //	while (!shell.isDisposed()) {
    //		if (!display.readAndDispatch ()) display.sleep ();
    //	}
    //	imageOpen.dispose();
    //	imageClose.dispose();
    //	display.dispose ();
  }
    protected authDialog(
        AESemaphore _sem,
        Display display,
        String realm,
        boolean is_tracker,
        String target,
        String details) {
      sem = _sem;

      if (display.isDisposed()) {

        sem.releaseForever();

        return;
      }

      final String ignore_key = "IgnoreAuth:" + realm + ":" + target + ":" + details;

      if (RememberedDecisionsManager.getRememberedDecision(ignore_key) == 1) {

        Debug.out(
            "Authentication for "
                + realm
                + "/"
                + target
                + "/"
                + details
                + " ignored as told not to ask again");

        sem.releaseForever();

        return;
      }

      shell = ShellFactory.createMainShell(SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);

      Utils.setShellIcon(shell);
      Messages.setLanguageText(shell, "authenticator.title");

      GridLayout layout = new GridLayout();
      layout.numColumns = 3;

      shell.setLayout(layout);

      GridData gridData;

      // realm

      Label realm_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(realm_label, "authenticator.realm");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      realm_label.setLayoutData(gridData);

      Label realm_value = new Label(shell, SWT.NULL);
      realm_value.setText(realm.replaceAll("&", "&&"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      realm_value.setLayoutData(gridData);

      // target

      Label target_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(
          target_label, is_tracker ? "authenticator.tracker" : "authenticator.location");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      target_label.setLayoutData(gridData);

      Label target_value = new Label(shell, SWT.NULL);
      target_value.setText(target.replaceAll("&", "&&"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      target_value.setLayoutData(gridData);

      if (details != null) {

        Label details_label = new Label(shell, SWT.NULL);
        Messages.setLanguageText(
            details_label, is_tracker ? "authenticator.torrent" : "authenticator.details");
        gridData = new GridData(GridData.FILL_BOTH);
        gridData.horizontalSpan = 1;
        details_label.setLayoutData(gridData);

        Label details_value = new Label(shell, SWT.NULL);
        details_value.setText(details.replaceAll("&", "&&"));
        gridData = new GridData(GridData.FILL_BOTH);
        gridData.horizontalSpan = 2;
        details_value.setLayoutData(gridData);
      }
      // user

      Label user_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(user_label, "authenticator.user");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      user_label.setLayoutData(gridData);

      final Text user_value = new Text(shell, SWT.BORDER);
      user_value.setText("");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      user_value.setLayoutData(gridData);

      user_value.addListener(
          SWT.Modify,
          new Listener() {
            public void handleEvent(Event event) {
              username = user_value.getText();
            }
          });

      // password

      Label password_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(password_label, "authenticator.password");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      password_label.setLayoutData(gridData);

      final Text password_value = new Text(shell, SWT.BORDER);
      password_value.setEchoChar('*');
      password_value.setText("");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      password_value.setLayoutData(gridData);

      password_value.addListener(
          SWT.Modify,
          new Listener() {
            public void handleEvent(Event event) {
              password = password_value.getText();
            }
          });

      // persist

      Label blank_label = new Label(shell, SWT.NULL);
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      blank_label.setLayoutData(gridData);

      final Button checkBox = new Button(shell, SWT.CHECK);
      checkBox.setText(MessageText.getString("authenticator.savepassword"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      checkBox.setLayoutData(gridData);
      checkBox.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              persist = checkBox.getSelection();
            }
          });

      final Button dontAsk = new Button(shell, SWT.CHECK);
      dontAsk.setText(MessageText.getString("general.dont.ask.again"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      dontAsk.setLayoutData(gridData);
      dontAsk.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              RememberedDecisionsManager.setRemembered(ignore_key, dontAsk.getSelection() ? 1 : 0);
            }
          });

      // line

      Label labelSeparator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
      gridData = new GridData(GridData.FILL_HORIZONTAL);
      gridData.horizontalSpan = 3;
      labelSeparator.setLayoutData(gridData);

      // buttons

      new Label(shell, SWT.NULL);

      Button bOk = new Button(shell, SWT.PUSH);
      Messages.setLanguageText(bOk, "Button.ok");
      gridData =
          new GridData(
              GridData.FILL_HORIZONTAL
                  | GridData.HORIZONTAL_ALIGN_END
                  | GridData.HORIZONTAL_ALIGN_FILL);
      gridData.grabExcessHorizontalSpace = true;
      gridData.widthHint = 70;
      bOk.setLayoutData(gridData);
      bOk.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              close(true);
            }
          });

      Button bCancel = new Button(shell, SWT.PUSH);
      Messages.setLanguageText(bCancel, "Button.cancel");
      gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
      gridData.grabExcessHorizontalSpace = false;
      gridData.widthHint = 70;
      bCancel.setLayoutData(gridData);
      bCancel.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              close(false);
            }
          });

      shell.setDefaultButton(bOk);

      shell.addListener(
          SWT.Traverse,
          new Listener() {
            public void handleEvent(Event e) {
              if (e.character == SWT.ESC) {
                close(false);
              }
            }
          });

      shell.pack();

      Utils.centreWindow(shell);

      shell.open();
    }
  public static void main(String[] args) {
    final Display display = new Display();
    final Clipboard clipboard = new Clipboard(display);
    final Shell shell = new Shell(display, SWT.SHELL_TRIM);
    shell.setLayout(new GridLayout());
    shell.setText("Clipboard ImageTransfer");

    final Button imageButton = new Button(shell, SWT.NONE);
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.minimumHeight = 400;
    gd.minimumWidth = 600;
    imageButton.setLayoutData(gd);

    final Text imageText = new Text(shell, SWT.BORDER);
    imageText.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));

    Composite buttons = new Composite(shell, SWT.NONE);
    buttons.setLayout(new GridLayout(4, true));
    Button button = new Button(buttons, SWT.PUSH);
    button.setText("Open");
    button.addListener(
        SWT.Selection,
        event -> {
          FileDialog dialog = new FileDialog(shell, SWT.OPEN);
          dialog.setText("Open an image file or cancel");
          String string = dialog.open();
          if (string != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null) image.dispose();
            image = new Image(display, string);
            imageButton.setImage(image);
            imageText.setText(string);
          }
        });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Copy");
    button.addListener(
        SWT.Selection,
        event -> {
          Image image = imageButton.getImage();
          if (image != null) {
            ImageTransfer imageTransfer = ImageTransfer.getInstance();
            TextTransfer textTransfer = TextTransfer.getInstance();
            clipboard.setContents(
                new Object[] {image.getImageData(), imageText.getText()},
                new Transfer[] {imageTransfer, textTransfer});
          }
        });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Paste");
    button.addListener(
        SWT.Selection,
        event -> {
          ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance());
          if (imageData != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null) image.dispose();
            image = new Image(display, imageData);
            imageButton.setImage(image);
          } else {
            imageButton.setText("No image");
            imageButton.setImage(null);
          }
          String text = (String) clipboard.getContents(TextTransfer.getInstance());
          if (text != null) {
            imageText.setText(text);
          } else {
            imageText.setText("");
          }
        });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Clear");
    button.addListener(
        SWT.Selection,
        event -> {
          imageButton.setText("");
          Image image = imageButton.getImage();
          if (image != null) image.dispose();
          imageButton.setImage(null);
          imageText.setText("");
        });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
  public static void main(String[] args) {
    final ImageFileNameProvider filenameProvider =
        new ImageFileNameProvider() {
          @Override
          public String getImagePath(int zoom) {
            switch (zoom) {
              case 150:
                return IMAGE_PATH_150;
              case 200:
                return IMAGE_PATH_200;
              default:
                return IMAGE_PATH_100;
            }
          }
        };
    final ImageDataProvider imageDataProvider =
        new ImageDataProvider() {
          @Override
          public ImageData getImageData(int zoom) {
            switch (zoom) {
              case 150:
                return new ImageData(IMAGE_PATH_150);
              case 200:
                return new ImageData(IMAGE_PATH_200);
              default:
                return new ImageData(IMAGE_PATH_100);
            }
          }
        };

    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(2, false));

    new Label(shell, SWT.NONE).setText(IMAGE_200 + ":");
    new Label(shell, SWT.NONE).setImage(new Image(display, IMAGE_PATH_200));

    new Label(shell, SWT.NONE).setText(IMAGE_150 + ":");
    new Label(shell, SWT.NONE).setImage(new Image(display, IMAGE_PATH_150));

    new Label(shell, SWT.NONE).setText(IMAGE_100 + ":");
    new Label(shell, SWT.NONE).setImage(new Image(display, IMAGE_PATH_100));

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("ImageFileNameProvider:");
    new Label(shell, SWT.NONE).setImage(new Image(display, filenameProvider));

    new Label(shell, SWT.NONE).setText("ImageDataProvider:");
    new Label(shell, SWT.NONE).setImage(new Image(display, imageDataProvider));

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("Canvas\n(PaintListener)");
    final Point size = new Point(550, 35);
    final Canvas canvas = new Canvas(shell, SWT.NONE);
    canvas.addPaintListener(
        new PaintListener() {
          @Override
          public void paintControl(PaintEvent e) {
            Point size = canvas.getSize();
            paintImage(e.gc, size);
          }
        });
    canvas.setLayoutData(new GridData(size.x, size.y));

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("Painted image\n (default resolution)");
    Image image = new Image(display, size.x, size.y);
    GC gc = new GC(image);
    try {
      paintImage(gc, size);
    } finally {
      gc.dispose();
    }
    new Label(shell, SWT.NONE).setImage(image);

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("Painted image\n(multi-res, unzoomed paint)");
    new Label(shell, SWT.NONE)
        .setImage(
            new Image(
                display,
                new ImageDataProvider() {
                  @Override
                  public ImageData getImageData(int zoom) {
                    Image temp = new Image(display, size.x * zoom / 100, size.y * zoom / 100);
                    GC gc = new GC(temp);
                    try {
                      paintImage(gc, size);
                      return temp.getImageData();
                    } finally {
                      gc.dispose();
                      temp.dispose();
                    }
                  }
                }));

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("Painted image\n(multi-res, zoomed paint)");
    new Label(shell, SWT.NONE)
        .setImage(
            new Image(
                display,
                new ImageDataProvider() {
                  @Override
                  public ImageData getImageData(int zoom) {
                    Image temp = new Image(display, size.x * zoom / 100, size.y * zoom / 100);
                    GC gc = new GC(temp);
                    try {
                      paintImage2(
                          gc, new Point(size.x * zoom / 100, size.y * zoom / 100), zoom / 100);
                      return temp.getImageData();
                    } finally {
                      gc.dispose();
                      temp.dispose();
                    }
                  }
                }));

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }