Bug 34159 [Tasks] First three columns of Task List too wide w/native table
The type, completion, and priority columns of the Task list using the native table widget on MacOS X are much wider than are necessary for displaying the icons in those columns and appear not to be resizable.
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/tasklist/TaskList.java
private Action sortByPriorityAction;
	private Action sortByDescriptionAction;
	private Action sortByResourceAction;
	private Action sortByContainerAction;
	private Action sortByLocationAction;
	private Action sortByCreationTimeAction;
	private Action sortAscendingAction;
	private Action sortDescendingAction;
	private Clipboard clipboard;
	private static String[] tableColumnProperties =
		{
			IBasicPropertyConstants.P_IMAGE,
			IMarker.DONE,
			IMarker.PRIORITY,
			IMarker.MESSAGE,
			IMarkerConstants.P_RESOURCE_NAME,
			IMarkerConstants.P_CONTAINER_NAME,
			IMarkerConstants.P_LINE_AND_LOCATION };
	
	private static final String TAG_COLUMN = "column"; 
	private static final String TAG_NUMBER = "number"; 
	private static final String TAG_WIDTH = "width"; 
	private static final String TAG_FILTER = "filter"; 
	private static final String TAG_SELECTION = "selection"; 
	private static final String TAG_ID = "id"; 
	private static final String TAG_MARKER = "marker"; 
	private static final String TAG_RESOURCE = "resource"; 
	private static final String TAG_TOP_INDEX = "topIndex"; 
	private static final String TAG_SORT_SECTION = "TaskListSortState"; 
	static class TaskListLabelProvider