void activeKeyScrolling() {
if (keyScrollingFilter == null) {
Composite pageParent = getPageContainer().getParent();
if (!(pageParent instanceof ScrolledComposite)) {
return;
}
final ScrolledComposite sc = (ScrolledComposite) pageParent;
keyScrollingFilter =
event -> {
if (!keyScrollingEnabled || sc.isDisposed()) {
return;
}
switch (event.keyCode) {
case SWT.ARROW_DOWN:
sc.setOrigin(sc.getOrigin().x, sc.getOrigin().y + INCREMENT);
break;
case SWT.ARROW_UP:
sc.setOrigin(sc.getOrigin().x, sc.getOrigin().y - INCREMENT);
break;
case SWT.ARROW_LEFT:
sc.setOrigin(sc.getOrigin().x - INCREMENT, sc.getOrigin().y);
break;
case SWT.ARROW_RIGHT:
sc.setOrigin(sc.getOrigin().x + INCREMENT, sc.getOrigin().y);
break;
case SWT.PAGE_DOWN:
sc.setOrigin(sc.getOrigin().x, sc.getOrigin().y + PAGE_MULTIPLIER * INCREMENT);
break;
case SWT.PAGE_UP:
sc.setOrigin(sc.getOrigin().x, sc.getOrigin().y - PAGE_MULTIPLIER * INCREMENT);
break;
case SWT.HOME:
sc.setOrigin(0, 0);
break;
case SWT.END:
sc.setOrigin(0, sc.getSize().y);
break;
default:
keyScrollingEnabled = false;
}
event.type = SWT.None;
event.doit = false;
};
Display display = PlatformUI.getWorkbench().getDisplay();
display.addFilter(SWT.KeyDown, keyScrollingFilter);
display.addFilter(SWT.Traverse, keyScrollingFilter);
sc.addDisposeListener(e -> removeKeyScrolling());
}
keyScrollingEnabled = true;
}
@PostConstruct
public void init() {
eventBroker.subscribe(UIEvents.UILabel.TOPIC_ALL, itemUpdater);
eventBroker.subscribe(UIEvents.Item.TOPIC_SELECTED, selectionUpdater);
eventBroker.subscribe(UIEvents.Item.TOPIC_ENABLED, enabledUpdater);
eventBroker.subscribe(UIEvents.UIElement.TOPIC_ALL, toBeRenderedUpdater);
context.set(MenuManagerRenderer.class, this);
Display display = context.get(Display.class);
rendererFilter = ContextInjectionFactory.make(MenuManagerRendererFilter.class, context);
display.addFilter(SWT.Show, rendererFilter);
display.addFilter(SWT.Hide, rendererFilter);
display.addFilter(SWT.Dispose, rendererFilter);
context.set(MenuManagerRendererFilter.class, rendererFilter);
}
/** create tabs */
private void createTabs() {
// create tab
tabFolder = Widgets.newTabFolder(shell);
Widgets.layout(tabFolder, 0, 0, TableLayoutData.NSWE);
tabStatus = new TabStatus(tabFolder, SWT.F1);
tabJobs = new TabJobs(tabFolder, SWT.F2);
tabRestore = new TabRestore(tabFolder, SWT.F3);
tabStatus.setTabJobs(tabJobs);
tabJobs.setTabStatus(tabStatus);
// add tab listener
display.addFilter(
SWT.KeyDown,
new Listener() {
public void handleEvent(Event event) {
switch (event.keyCode) {
case SWT.F1:
System.out.println(event);
Widgets.showTab(tabFolder, tabStatus.widgetTab);
event.doit = false;
break;
case SWT.F2:
Widgets.showTab(tabFolder, tabJobs.widgetTab);
event.doit = false;
break;
case SWT.F3:
Widgets.showTab(tabFolder, tabRestore.widgetTab);
event.doit = false;
break;
default:
break;
}
}
});
}
/**
* Constructs a new instance of <code>BindingService</code> using a JFace binding manager.
*
* @param bindingManager The bind ing manager to use; must not be <code>null</code>.
* @param commandService The command service providing support for this service; must not be
* <code>null</code>;
* @param workbench The workbench on which this context service will act; must not be <code>null
* </code>.
*/
public BindingService(
final BindingManager bindingManager,
final ICommandService commandService,
final IWorkbench workbench) {
if (bindingManager == null) {
throw new NullPointerException(
"Cannot create a binding service with a null manager"); //$NON-NLS-1$
}
if (commandService == null) {
throw new NullPointerException(
"Cannot create a binding service with a null command service"); //$NON-NLS-1$
}
this.bindingManager = bindingManager;
this.workbench = workbench;
// Hook up the key binding support.
this.bindingPersistence = new BindingPersistence(bindingManager, commandService);
keyboard = new WorkbenchKeyboard(workbench);
final Display display = workbench.getDisplay();
final Listener listener = keyboard.getKeyDownFilter();
display.addFilter(SWT.KeyDown, listener);
// RAP [if] Listening for both SWT.KeyDown and SWT.Traverse events execute the command twice
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=381092
// display.addFilter(SWT.Traverse, listener);
// ENDRAP
// Initialize the key formatter.
KeyFormatterFactory.setDefault(SWTKeySupport.getKeyFormatterForPlatform());
}
private void addDisplayFilterListener() {
if (_isDisplayListenerSet) {
return;
}
_display.addFilter(SWT.MouseMove, _ttDisplayListener);
_isDisplayListenerSet = true;
}
public static void main(String[] args) {
final Display display = new Display();
Shell shell = new Shell(display);
shell.pack();
shell.open();
final int TIME_OUT = 3000;
final Runnable runnable =
new Runnable() {
public void run() {
System.out.println("Idle for " + (TIME_OUT / 1000) + " seconds");
display.timerExec(TIME_OUT, this);
}
};
display.addFilter(
SWT.KeyDown,
new Listener() {
public void handleEvent(Event event) {
display.timerExec(TIME_OUT, runnable);
}
});
display.timerExec(TIME_OUT, runnable);
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
void handleFocus(int type) {
if (isDisposed()) return;
switch (type) {
case SWT.FocusIn:
{
if (hasFocus) return;
if (getEditable()) text.selectAll();
hasFocus = true;
Shell shell = getShell();
shell.removeListener(SWT.Deactivate, listener);
shell.addListener(SWT.Deactivate, listener);
Display display = getDisplay();
display.removeFilter(SWT.FocusIn, filter);
display.addFilter(SWT.FocusIn, filter);
Event e = new Event();
notifyListeners(SWT.FocusIn, e);
break;
}
case SWT.FocusOut:
{
if (!hasFocus) return;
Control focusControl = getDisplay().getFocusControl();
if (focusControl == arrow
|| focusControl == list
|| focusControl == icon
|| focusControl == text) return;
hasFocus = false;
Shell shell = getShell();
shell.removeListener(SWT.Deactivate, listener);
Display display = getDisplay();
display.removeFilter(SWT.FocusIn, filter);
Event e = new Event();
notifyListeners(SWT.FocusOut, e);
dropDown(false);
break;
}
}
}
