Java ScrolledComposite.getClientArea方法代碼示例

import org.eclipse.swt.custom.ScrolledComposite; //導入方法依賴的package包/類
/**
 * Setup some sensible paging information.
 */
public static void setupPagingInformation(ScrolledComposite composite) {
	GC gc = new GC(composite);
	FontMetrics fontMetrics = gc.getFontMetrics();
	gc.dispose();
	int fontHeight = fontMetrics.getHeight();
	int fontWidth = fontMetrics.getAverageCharWidth();
	Rectangle clientArea = composite.getClientArea();
	int lines = clientArea.height / fontHeight;
	int pageHeight = lines * fontHeight;
	int pageWidth = clientArea.width - fontWidth; 
	composite.getVerticalBar().setIncrement(fontHeight);
	composite.getVerticalBar().setPageIncrement(pageHeight);
	composite.getHorizontalBar().setIncrement(fontWidth);
	composite.getHorizontalBar().setPageIncrement(pageWidth);
}
 

import org.eclipse.swt.custom.ScrolledComposite; //導入方法依賴的package包/類
public static void setViewRequiresOneDownload(Composite genComposite) {
	if (genComposite == null || genComposite.isDisposed()) {
		return;
	}
	Utils.disposeComposite(genComposite, false);

	Label lab = new Label(genComposite, SWT.NULL);
	GridData gridData = new GridData(SWT.CENTER, SWT.CENTER, true, true);
	gridData.verticalIndent = 10;
	lab.setLayoutData(gridData);
	Messages.setLanguageText(lab, "view.one.download.only");

	genComposite.layout(true);

	Composite parent = genComposite.getParent();
	if (parent instanceof ScrolledComposite) {
		ScrolledComposite scrolled_comp = (ScrolledComposite) parent;

		Rectangle r = scrolled_comp.getClientArea();
		scrolled_comp.setMinSize(genComposite.computeSize(r.width, SWT.DEFAULT ));
	}

}
 

import org.eclipse.swt.custom.ScrolledComposite; //導入方法依賴的package包/類
public static void updateScrolledComposite(ScrolledComposite sc) {
	Control content = sc.getContent();
	if (content != null && !content.isDisposed()) {
		Rectangle r = sc.getClientArea();
		sc.setMinSize(content.computeSize(r.width, SWT.DEFAULT ));
	}
}
 

import org.eclipse.swt.custom.ScrolledComposite; //導入方法依賴的package包/類
private Point computeSize(Control child, int wHint, int hHint) {
	Object layoutData = child.getLayoutData();
	if (layoutData instanceof TimelineLayoutData) {
		TimelineLayoutData data = (TimelineLayoutData) layoutData;
		if (data.maximized) {
			ScrolledComposite parent = (ScrolledComposite) child.getParent().getParent();
			Rectangle a = parent.getClientArea();
			return new Point(a.width, a.height - 2);
		}
		if (data != null && data.preferredSize != null) {
			return data.preferredSize;
		}
	}
	return child.computeSize(wHint, hHint, true);
}
 

import org.eclipse.swt.custom.ScrolledComposite; //導入方法依賴的package包/類
/**
 * Updates the page scroll increment for given composite.
 * 
 * @param scomp
 */
public static void updatePageIncrement( ScrolledComposite scomp )
{
	ScrollBar vbar = scomp.getVerticalBar( );
	if ( vbar != null )
	{
		Rectangle clientArea = scomp.getClientArea( );
		int increment = clientArea.height - 5;
		vbar.setPageIncrement( increment );
	}
}
 

import org.eclipse.swt.custom.ScrolledComposite; //導入方法依賴的package包/類
@PostConstruct
public void postConstruct(Composite parent) {
	GridLayout gl_parent = new GridLayout(1, false);
	gl_parent.verticalSpacing = 0;
	gl_parent.marginWidth = 0;
	gl_parent.marginHeight = 0;
	gl_parent.horizontalSpacing = 0;
	parent.setLayout(gl_parent);
	
	part = partService
			.findPart("org.bbaw.bts.ui.corpus.part.AnnotationsPart");
	resizeListener = new Listener() {

		@Override
		public void handleEvent(
				org.eclipse.swt.widgets.Event event) {
			Rectangle r = scrollComposite
					.getClientArea();
			composite.layout();
			scrollComposite.setMinSize(composite
					.computeSize(r.width, SWT.DEFAULT));
		}

	};

	selectionListener = new Listener() {

		@Override
		public void handleEvent(
				org.eclipse.swt.widgets.Event event) {
			RelatedObjectGroup roGroup = (RelatedObjectGroup) event.widget;
			selfselection = true;
			setSelectedInternal(new Vector<>(Arrays.asList(roGroup)), true);
			selfselection = false;
		}

	};
	
	scrollComposite = new ScrolledComposite(parent,
			SWT.V_SCROLL | SWT.H_SCROLL);
	scrollComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));
	scrollComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
	scrollComposite.setMinWidth(100);
	scrollComposite.setMinHeight(400);
	composite = new Composite(scrollComposite, SWT.BORDER);
	scrollComposite.setExpandHorizontal(true);

	scrollComposite.setExpandVertical(true);
	scrollComposite.addControlListener(new ControlAdapter() {
		@Override
		public void controlResized(ControlEvent e) {
			Rectangle r = scrollComposite.getClientArea();
			scrollComposite.setMinSize(composite.computeSize(r.width,
					SWT.DEFAULT));
		}
	});
	composite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));
	composite.setLayout(new GridLayout(1, false));
	((GridLayout)composite.getLayout()).marginHeight = 0;
	((GridLayout)composite.getLayout()).marginWidth = 0;
	((GridLayout)composite.getLayout()).verticalSpacing = 0;

	// populate extended annotation filter menu and initialize context node
	extendAnnotationsFilterMenu();

	scrollComposite.setContent(composite);
	constructed = true;
	// request input from text editor
	eventBroker.post(BTSUIConstants.EVENT_EGY_TEXT_EDITOR_INPUT_REQUESTED+"annotations_part", relatingObjectsEvent);
}