private void showStandaloneViewMenu( ExecutionEvent event, MPart model, MMenu menuModel, Composite partContainer) { Shell shell = partContainer.getShell(); Menu menu = (Menu) menuModel.getWidget(); if (menu == null) { IPresentationEngine engine = (IPresentationEngine) HandlerUtil.getVariable(event, IPresentationEngine.class.getName()); menu = (Menu) engine.createGui(menuModel, shell, model.getContext()); if (menu != null) { final Menu tmpMenu = menu; partContainer.addDisposeListener( new DisposeListener() { public void widgetDisposed(DisposeEvent e) { tmpMenu.dispose(); } }); } } Display display = menu.getDisplay(); Point location = display.map(partContainer, null, partContainer.getLocation()); Point size = partContainer.getSize(); menu.setLocation(location.x + size.x, location.y); menu.setVisible(true); while (!menu.isDisposed() && menu.isVisible()) { if (!display.readAndDispatch()) display.sleep(); } if (!(menu.getData() instanceof MenuManager)) { menu.dispose(); } }
/** {@inheritDoc} */ public void run() { Display display = Display.getCurrent(); if (display == null) return; Control focus = display.getFocusControl(); if (focus == null || focus.isDisposed()) return; MenuManager menu = new MenuManager(); fillMenu(menu); final Menu widget = menu.createContextMenu(focus.getShell()); Point location = computeMenuLocation(focus, widget); if (location == null) return; widget.setLocation(location); widget.setVisible(true); while (!widget.isDisposed() && widget.isVisible()) { if (!display.readAndDispatch()) display.sleep(); } if (!widget.isDisposed()) { widget.dispose(); } }
private void createContextMenu(MouseEvent me) throws TermInstantiationException { System.out.println("Right button click"); Display display = context.getCanvas().getDisplay(); Menu menu = new Menu(context.getCanvas().getShell(), SWT.POP_UP); try { Variable varAction = new Variable("Action"); Iterator<Map<Variable, Object>> results = PrologProxy.instance() .getSolutions(Compound.createCompound("cpi#contextMenuEntry", descriptor, varAction)); int count = 0; while (results.hasNext()) { Map<Variable, Object> result = (Map<Variable, Object>) results.next(); Compound action = (Compound) result.get(varAction); TermInstantiator.instance().instantiate(action, menu, context); if (count++ > MAX_MENU_ENTRIES) { MenuItem errItem = new MenuItem(menu, SWT.NONE); errItem.setText("<too many results>"); break; } } } catch (PrologException e1) { e1.printStackTrace(); } Point absLocation = me.getLocation().getCopy(); translateToAbsolute(absLocation); org.eclipse.swt.graphics.Point point = display.map( context.getCanvas(), null, new org.eclipse.swt.graphics.Point(absLocation.x, absLocation.y)); menu.setLocation(point); menu.setVisible(true); while (!menu.isDisposed() && menu.isVisible()) { if (!display.readAndDispatch()) display.sleep(); } }