Examples of org.eclipse.swt.widgets.Display.timerExec()

org.eclipse.swt.widgets.Display.timerExec()
Causes the run() method of the runnable to be invoked by the user-interface thread after the specified number of milliseconds have elapsed. If milliseconds is less than zero, the runnable is not executed.
Note that at the time the runnable is invoked, widgets that have the receiver as their display may have been disposed. Therefore, it is necessary to check for this case inside the runnable before accessing the widget.
@param milliseconds the delay before running the runnable @param runnable code to run on the user-interface thread @exception IllegalArgumentException
- ERROR_NULL_ARGUMENT - if the runnable is null
@exception SWTException
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
- ERROR_DEVICE_DISPOSED - if the receiver has been disposed
@see #asyncExec

        final Display display = Display.getCurrent();
        filterText.addModifyListener(new ModifyListener() {
          public void modifyText(ModifyEvent e) {
            final StagingViewSearchThread searchThread = new StagingViewSearchThread(
                StagingView.this);
            display.timerExec(200, new Runnable() {
              public void run() {
                searchThread.start();
              }
            });
          }

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              if (fAutoScrollDirection == SWT.UP) {
                int top= getInclusiveTopIndex();
                if (top > 0) {
                  fCachedTextViewer.setTopIndex(top -1);
                  expandSelection(top -1);
                  display.timerExec(TIMER_INTERVAL, this);
                }
              }
            }
          };
          break;

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            public void run() {
              if (fAutoScrollDirection == SWT.DOWN) {
                int top= getInclusiveTopIndex();
                fCachedTextViewer.setTopIndex(top +1);
                expandSelection(top +1 + fCachedViewportSize);
                display.timerExec(TIMER_INTERVAL, this);
              }
            }
          };
          break;
      }

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          break;
      }


      if (timer != null) {
        fAutoScrollDirection= direction;
        display.timerExec(TIMER_INTERVAL, timer);
      }
    }


    /**
     * Returns the viewer's first visible line, even if only partially visible.

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     * (see ProgressListener in constructor), or a timeout has been reached.
     */
    final Display display= shell.getDisplay();


    // Make sure the display wakes from sleep after timeout:
    display.timerExec(100, new Runnable() {
      public void run() {
        fCompleted= true;
      }
    });

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    Display display= getDisplay();
    if (display == null)
      return;


    fNumberOfPostSelectionChangedEvents[0]++;
    display.timerExec(getEmptySelectionChangedEventDelay(), new Runnable() {
      final int id= fNumberOfPostSelectionChangedEvents[0];
      public void run() {
        if (id == fNumberOfPostSelectionChangedEvents[0]) {
          // Check again because this is executed after the delay
          if (getDisplay() != null)  {

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  private void createActionMonitor() {
    actionMonitor = new Action("Monitor", IAction.AS_CHECK_BOX) { //$NON-NLS-1$
      public void run() {
        if (actionMonitor.isChecked() && !output.isDisposed()) {
          Display display = output.getDisplay();
          display.timerExec(100, trackWidgets);
        }
      }
    };


    actionMonitor.setToolTipText("Enable/Disable monitoring of widgets"); //$NON-NLS-1$

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