Examples with SWTException org.eclipse.swt.SWTException used on opensource projects

Example 56 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.text by eclipse.

the class AnnotationPainter method modelChanged.

@Override
public void modelChanged(final AnnotationModelEvent event) {
    Display textWidgetDisplay;
    try {
        StyledText textWidget = fTextWidget;
        if (textWidget == null || textWidget.isDisposed())
            return;
        textWidgetDisplay = textWidget.getDisplay();
    } catch (SWTException ex) {
        if (ex.code == SWT.ERROR_WIDGET_DISPOSED)
            return;
        throw ex;
    }
    if (fIsSettingModel) {
        // inside the UI thread -> no need for posting
        if (textWidgetDisplay == Display.getCurrent())
            updatePainting(event);
        else {
            /*
				 * we can throw away the changes since
				 * further update painting will happen
				 */
            return;
        }
    } else {
        if (DEBUG && event != null && event.isWorldChange()) {
            // $NON-NLS-1$
            System.out.println("AP: WORLD CHANGED, stack trace follows:");
            new Throwable().printStackTrace(System.out);
        }
        // XXX: posting here is a problem for annotations that are being
        // removed and the positions of which are not updated to document
        // changes any more. If the document gets modified between
        // now and running the posted runnable, the position information
        // is not accurate any longer.
        textWidgetDisplay.asyncExec(new Runnable() {

            @Override
            public void run() {
                if (fTextWidget != null && !fTextWidget.isDisposed())
                    updatePainting(event);
            }
        });
    }
}

Example 57 with SWTException

use of org.eclipse.swt.SWTException in project knime-core by knime.

the class KNIMEApplication method start.

/**
 * {@inheritDoc}
 */
@Override
public Object start(final IApplicationContext appContext) throws Exception {
    Display display = createDisplay();
    try {
        // open document listener needs to be registered as first
        // thing to account for open document events during startup
        KNIMEOpenDocumentEventProcessor openDocProcessor = new KNIMEOpenDocumentEventProcessor();
        display.addListener(SWT.OpenDocument, openDocProcessor);
        if (!checkInstanceLocation()) {
            appContext.applicationRunning();
            return EXIT_OK;
        }
        ViewUtils.setLookAndFeel();
        ProfileManager.getInstance().applyProfiles();
        // initialize KNIMEConstants as early as possible in order to avoid deadlocks during startup
        KNIMEConstants.BUILD.toString();
        parseApplicationArguments(appContext);
        // initialize common classes early in order to avoid deadlocks
        NodeLogger.class.getName();
        RepositoryUpdater.INSTANCE.addDefaultRepositories();
        RepositoryUpdater.INSTANCE.updateArtifactRepositoryURLs();
        int returnCode;
        if (m_checkForUpdates && checkForUpdates()) {
            returnCode = PlatformUI.RETURN_RESTART;
        } else {
            startDeadlockDetectors(display);
            // create the workbench with this advisor and run it until it
            // exits
            // N.B. createWorkbench remembers the advisor, and also
            // registers
            // the workbench globally so that all UI plug-ins can find it
            // using
            // PlatformUI.getWorkbench() or AbstractUIPlugin.getWorkbench()
            returnCode = PlatformUI.createAndRunWorkbench(display, getWorkbenchAdvisor(openDocProcessor));
        }
        // here to substitute in the relaunch return code if needed
        if (returnCode != PlatformUI.RETURN_RESTART) {
            return EXIT_OK;
        }
        // return that code now, otherwise this is a normal restart
        return EXIT_RELAUNCH.equals(Integer.getInteger(PROP_EXIT_CODE)) ? EXIT_RELAUNCH : EXIT_RESTART;
    } finally {
        if (display != null) {
            try {
                display.dispose();
            } catch (SWTException e) {
                // attempt to fix ui hangs on mac when the closes, see AP-8117
                NodeLogger.getLogger(KNIMEApplication.class).debug("Exception while disposing Display object: " + e.getMessage(), e);
            }
        }
    }
}