コード例 #1
0
  void init() {
    if (MozillaVersion.CheckVersion(MozillaVersion.VERSION_XR10)) {
      /*
       * In XULRunner versions > 4, sending WM_GETDLGCODE to a WM_KEYDOWN's MSG hwnd answers 0
       * instead of the expected DLGC_WANTALLKEYS.  This causes the default traversal framework
       * perform traversals outside of the Browser when it should not.  Hook a Traverse listener
       * to work around these problems.
       */
      browser.addListener(
          SWT.Traverse,
          event -> {
            switch (event.detail) {
              case SWT.TRAVERSE_RETURN:
                {
                  /* always veto the traversal */
                  event.doit = false;
                  break;
                }
              case SWT.TRAVERSE_TAB_NEXT:
              case SWT.TRAVERSE_TAB_PREVIOUS:
                {
                  /* veto the traversal whenever an element in the browser has focus */
                  long /*int*/[] result = new long /*int*/[1];
                  int rc = XPCOM.NS_GetServiceManager(result);
                  if (rc != XPCOM.NS_OK) Mozilla.error(rc);
                  if (result[0] == 0) Mozilla.error(XPCOM.NS_NOINTERFACE);
                  nsIServiceManager serviceManager = new nsIServiceManager(result[0]);
                  result[0] = 0;
                  byte[] aContractID =
                      MozillaDelegate.wcsToMbcs(null, XPCOM.NS_FOCUSMANAGER_CONTRACTID, true);
                  rc =
                      serviceManager.GetServiceByContractID(
                          aContractID,
                          IIDStore.GetIID(nsIFocusManager.class, MozillaVersion.VERSION_XR10),
                          result);
                  serviceManager.Release();

                  if (rc == XPCOM.NS_OK && result[0] != 0) {
                    nsIFocusManager focusManager = new nsIFocusManager(result[0]);
                    result[0] = 0;
                    rc = focusManager.GetFocusedElement(result);
                    focusManager.Release();
                    event.doit = result[0] == 0;
                    if (rc == XPCOM.NS_OK && result[0] != 0) {
                      new nsISupports(result[0]).Release();
                    }
                  }
                  break;
                }
            }
          });

      /* children created in getSiteHandle() should be destroyed whenever a page is left */
      browser.addLocationListener(
          new LocationAdapter() {
            @Override
            public void changing(LocationEvent event) {
              Iterator<Composite> it = childWindows.iterator();
              while (it.hasNext()) {
                it.next().dispose();
              }
              childWindows.clear();
            }
          });
    }
  }
コード例 #2
0
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 3;
    shell.setLayout(gridLayout);
    ToolBar toolbar = new ToolBar(shell, SWT.NONE);
    ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
    itemBack.setText("Back");
    ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
    itemForward.setText("Forward");
    ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
    itemStop.setText("Stop");
    ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
    itemRefresh.setText("Refresh");
    ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
    itemGo.setText("Go");

    GridData data = new GridData();
    data.horizontalSpan = 3;
    toolbar.setLayoutData(data);

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

    final Text location = new Text(shell, SWT.BORDER);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    data.grabExcessHorizontalSpace = true;
    location.setLayoutData(data);

    final Browser browser;
    try {
      browser = new Browser(shell, SWT.NONE);
    } catch (SWTError e) {
      System.out.println("Could not instantiate Browser: " + e.getMessage());
      display.dispose();
      return;
    }
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.verticalAlignment = GridData.FILL;
    data.horizontalSpan = 3;
    data.grabExcessHorizontalSpace = true;
    data.grabExcessVerticalSpace = true;
    browser.setLayoutData(data);

    final Label status = new Label(shell, SWT.NONE);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    status.setLayoutData(data);

    final ProgressBar progressBar = new ProgressBar(shell, SWT.NONE);
    data = new GridData();
    data.horizontalAlignment = GridData.END;
    progressBar.setLayoutData(data);

    /* event handling */
    Listener listener =
        new Listener() {
          @Override
          public void handleEvent(Event event) {
            ToolItem item = (ToolItem) event.widget;
            String string = item.getText();
            if (string.equals("Back")) browser.back();
            else if (string.equals("Forward")) browser.forward();
            else if (string.equals("Stop")) browser.stop();
            else if (string.equals("Refresh")) browser.refresh();
            else if (string.equals("Go")) browser.setUrl(location.getText());
          }
        };
    browser.addProgressListener(
        new ProgressListener() {
          @Override
          public void changed(ProgressEvent event) {
            if (event.total == 0) return;
            int ratio = event.current * 100 / event.total;
            progressBar.setSelection(ratio);
          }

          @Override
          public void completed(ProgressEvent event) {
            progressBar.setSelection(0);
          }
        });
    browser.addStatusTextListener(
        new StatusTextListener() {
          @Override
          public void changed(StatusTextEvent event) {
            status.setText(event.text);
          }
        });
    browser.addLocationListener(
        new LocationListener() {
          @Override
          public void changed(LocationEvent event) {
            if (event.top) location.setText(event.location);
          }

          @Override
          public void changing(LocationEvent event) {}
        });
    itemBack.addListener(SWT.Selection, listener);
    itemForward.addListener(SWT.Selection, listener);
    itemStop.addListener(SWT.Selection, listener);
    itemRefresh.addListener(SWT.Selection, listener);
    itemGo.addListener(SWT.Selection, listener);
    location.addListener(
        SWT.DefaultSelection,
        new Listener() {
          @Override
          public void handleEvent(Event e) {
            browser.setUrl(location.getText());
          }
        });

    shell.open();
    browser.setUrl("http://eclipse.org");

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