Bug 25419 [Dialogs] Can't Maximize Window: "Preferences"
Build: 200210181211 The "Preferences" window cannot be maximized since it neither has a maximize title bar button nor does the title bar respond to being double-clicked. The only work around is to reside the window manually by dragging the border. For short-lived windows this is too detail-oriented and time-consuming.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
tree = new Tree(parent, SWT.BORDER);
	OpenStrategy eventAdapter = new OpenStrategy(tree);
	eventAdapter.addPostSelectionListener(new SelectionAdapter() {
		public void widgetSelected(final SelectionEvent event) {
			BusyIndicator.showWhile(tree.getDisplay(),new Runnable(){
				public void run() {
					Object data = event.item.getData();
					if (data instanceof IPreferenceNode) {
						if (!isCurrentPageValid()) {
							showPageFlippingAbortDialog();
							selectCurrentPageAgain();
						} else
							if (!showPage((IPreferenceNode) data)) {
								
								showPageFlippingAbortDialog();
								selectCurrentPageAgain();
							} else {
								
								currentTreeItem = (TreeItem) event.item;
							}
							
						
						tree.setFocus();
					}
				}
			});
		}		
	});
	
	eventAdapter.addSelectionListener(new SelectionAdapter() {