Ejemplo n.º 1
0
  /**
   * Creates a new <code>Shell</code>. This Shell is the root for the SWT widgets that will be
   * embedded within the AWT canvas.
   *
   * @param display the display for the new Shell
   * @param parent the parent <code>java.awt.Canvas</code> of the new Shell
   * @return a <code>Shell</code> to be the parent of the embedded SWT widgets
   * @exception IllegalArgumentException
   *     <ul>
   *       <li>ERROR_NULL_ARGUMENT - if the display is null
   *       <li>ERROR_NULL_ARGUMENT - if the parent is null
   *       <li>ERROR_INVALID_ARGUMENT - if the parent's peer is not created
   *     </ul>
   *
   * @since 3.0
   */
  public static Shell new_Shell(final Display display, final Canvas parent) {
    if (display == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
    if (parent == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
    int /*long*/ handle = 0;

    try {
      loadLibrary();
      handle = getAWTHandle(parent);
    } catch (Throwable e) {
      SWT.error(SWT.ERROR_NOT_IMPLEMENTED, e);
    }
    if (handle == 0) SWT.error(SWT.ERROR_INVALID_ARGUMENT, null, " [peer not created]");

    final Shell shell = Shell.cocoa_new(display, handle);
    final ComponentListener listener =
        new ComponentAdapter() {
          public void componentResized(ComponentEvent e) {
            display.asyncExec(
                new Runnable() {
                  public void run() {
                    if (shell.isDisposed()) return;
                    Dimension dim = parent.getSize();
                    shell.setSize(dim.width, dim.height);
                  }
                });
          }
        };
    parent.addComponentListener(listener);
    shell.addListener(
        SWT.Dispose,
        new Listener() {
          public void handleEvent(Event event) {
            parent.removeComponentListener(listener);
          }
        });
    shell.setVisible(true);
    return shell;
  }
Ejemplo n.º 2
0
  /**
   * Creates a new <code>java.awt.Frame</code>. This frame is the root for the AWT components that
   * will be embedded within the composite. In order for the embedding to succeed, the composite
   * must have been created with the SWT.EMBEDDED style.
   *
   * <p>IMPORTANT: As of JDK1.5, the embedded frame does not receive mouse events. When a
   * lightweight component is added as a child of the embedded frame, the cursor does not change. In
   * order to work around both these problems, it is strongly recommended that a heavyweight
   * component such as <code>java.awt.Panel</code> be added to the frame as the root of all
   * components.
   *
   * @param parent the parent <code>Composite</code> of the new <code>java.awt.Frame</code>
   * @return a <code>java.awt.Frame</code> to be the parent of the embedded AWT components
   * @exception IllegalArgumentException
   *     <ul>
   *       <li>ERROR_NULL_ARGUMENT - if the parent is null
   *       <li>ERROR_INVALID_ARGUMENT - if the parent Composite does not have the SWT.EMBEDDED style
   *     </ul>
   *
   * @since 3.0
   */
  public static Frame new_Frame(final Composite parent) {
    if (parent == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
    if ((parent.getStyle() & SWT.EMBEDDED) == 0) {
      SWT.error(SWT.ERROR_INVALID_ARGUMENT);
    }
    int /*long*/ handle = parent.embeddedHandle;
    /*
     * Some JREs have implemented the embedded frame constructor to take an integer
     * and other JREs take a long.  To handle this binary incompatibility, use
     * reflection to create the embedded frame.
     */
    Class clazz = null;
    try {
      String className =
          embeddedFrameClass != null ? embeddedFrameClass : "sun.awt.X11.XEmbeddedFrame";
      clazz = Class.forName(className);
    } catch (Throwable e) {
      SWT.error(SWT.ERROR_NOT_IMPLEMENTED, e, " [need JDK 1.5 or greater]");
    }
    initializeSwing();
    Object value = null;
    Constructor constructor = null;
    try {
      constructor = clazz.getConstructor(new Class[] {int.class, boolean.class});
      value =
          constructor.newInstance(new Object[] {new Integer((int) /*64*/ handle), Boolean.TRUE});
    } catch (Throwable e1) {
      try {
        constructor = clazz.getConstructor(new Class[] {long.class, boolean.class});
        value = constructor.newInstance(new Object[] {new Long(handle), Boolean.TRUE});
      } catch (Throwable e2) {
        SWT.error(SWT.ERROR_NOT_IMPLEMENTED, e2);
      }
    }
    final Frame frame = (Frame) value;
    parent.setData(EMBEDDED_FRAME_KEY, frame);
    if (Device.DEBUG) {
      loadLibrary();
      setDebug(frame, true);
    }
    try {
      /* Call registerListeners() to make XEmbed focus traversal work */
      Method method = clazz.getMethod("registerListeners", null);
      if (method != null) method.invoke(value, null);
    } catch (Throwable e) {
    }
    final AWTEventListener awtListener =
        new AWTEventListener() {
          public void eventDispatched(AWTEvent event) {
            if (event.getID() == WindowEvent.WINDOW_OPENED) {
              final Window window = (Window) event.getSource();
              if (window.getParent() == frame) {
                parent
                    .getDisplay()
                    .asyncExec(
                        new Runnable() {
                          public void run() {
                            if (parent.isDisposed()) return;
                            Shell shell = parent.getShell();
                            loadLibrary();
                            int /*long*/ awtHandle = getAWTHandle(window);
                            if (awtHandle == 0) return;
                            int /*long*/ xWindow =
                                OS.gdk_x11_drawable_get_xid(
                                    OS.GTK_WIDGET_WINDOW(OS.gtk_widget_get_toplevel(shell.handle)));
                            OS.XSetTransientForHint(
                                OS.gdk_x11_display_get_xdisplay(OS.gdk_display_get_default()),
                                awtHandle,
                                xWindow);
                          }
                        });
              }
            }
          }
        };
    frame.getToolkit().addAWTEventListener(awtListener, AWTEvent.WINDOW_EVENT_MASK);
    final Listener shellListener =
        new Listener() {
          public void handleEvent(Event e) {
            switch (e.type) {
              case SWT.Deiconify:
                EventQueue.invokeLater(
                    new Runnable() {
                      public void run() {
                        frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_DEICONIFIED));
                      }
                    });
                break;
              case SWT.Iconify:
                EventQueue.invokeLater(
                    new Runnable() {
                      public void run() {
                        frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_ICONIFIED));
                      }
                    });
                break;
            }
          }
        };
    Shell shell = parent.getShell();
    shell.addListener(SWT.Deiconify, shellListener);
    shell.addListener(SWT.Iconify, shellListener);

    Listener listener =
        new Listener() {
          public void handleEvent(Event e) {
            switch (e.type) {
              case SWT.Dispose:
                Shell shell = parent.getShell();
                shell.removeListener(SWT.Deiconify, shellListener);
                shell.removeListener(SWT.Iconify, shellListener);
                parent.setVisible(false);
                EventQueue.invokeLater(
                    new Runnable() {
                      public void run() {
                        frame.getToolkit().removeAWTEventListener(awtListener);
                        frame.dispose();
                      }
                    });
                break;
              case SWT.Resize:
                if (Library.JAVA_VERSION >= Library.JAVA_VERSION(1, 6, 0)) {
                  final Rectangle clientArea = parent.getClientArea();
                  EventQueue.invokeLater(
                      new Runnable() {
                        public void run() {
                          frame.setSize(clientArea.width, clientArea.height);
                        }
                      });
                }
                break;
            }
          }
        };
    parent.addListener(SWT.Dispose, listener);
    parent.addListener(SWT.Resize, listener);

    parent
        .getDisplay()
        .asyncExec(
            new Runnable() {
              public void run() {
                if (parent.isDisposed()) return;
                final Rectangle clientArea = parent.getClientArea();
                EventQueue.invokeLater(
                    new Runnable() {
                      public void run() {
                        frame.setSize(clientArea.width, clientArea.height);
                        frame.validate();
                      }
                    });
              }
            });
    return frame;
  }