java.awt.event.InputEvent#getModifiersEx()源码实例Demo

@Override
public void dragGestureRecognized(DragGestureEvent event) {
	if (!isDocking) {
		return;
	}

	// if any button other than MB1 is pressed, don't attempt to process the drag and drop event
	InputEvent ie = event.getTriggerEvent();
	int modifiers = ie.getModifiersEx();
	if ((modifiers & InputEvent.BUTTON2_DOWN_MASK) != 0 ||
		(modifiers & InputEvent.BUTTON3_DOWN_MASK) != 0) {
		return;
	}
	DockableComponent.DROP_CODE = DropCode.WINDOW;
	DockableComponent.DROP_CODE_SET = true;
	DockableComponent.SOURCE_INFO = dockComp.getComponentWindowingPlaceholder();

	dragCursorManager.dragStarted();

	dragSource.startDrag(event, DragSource.DefaultMoveNoDrop,
		new ComponentTransferable(new ComponentTransferableData(dockComp)), this);
}
 

@Override
public void dragGestureRecognized(DragGestureEvent dragEvent) {

	// check input event: if any button other than MB1 is pressed,
	// don't attempt to process the drag and drop event.
	InputEvent ie = dragEvent.getTriggerEvent();
	int modifiers = ie.getModifiersEx();
	if ((modifiers & InputEvent.BUTTON2_DOWN_MASK) != 0 ||
		(modifiers & InputEvent.BUTTON3_DOWN_MASK) != 0) {
		return;
	}

	Point p = dragEvent.getDragOrigin();
	TreePath path = tree.getClosestPathForLocation(p.x, p.y);

	if (!tree.isPathSelected(path)) {
		return;
	}
	List<GTreeNode> selectedData = createSelectionList(tree.getSelectionPaths());
	if (!dragNDropHandler.isStartDragOk(selectedData, dragEvent.getDragAction())) {
		return;
	}

	Transferable transferable = new GTreeNodeTransferable(dragNDropHandler, selectedData);

	Image image = getDragImage(selectedData);

	try {
		dragEvent.startDrag(DragSource.DefaultCopyNoDrop, image, new Point(-10, -30),
			transferable, this);
	}
	catch (InvalidDnDOperationException exc) {
		Msg.debug(this, "Unable to initiate drag from tree", exc);
	}
}
 

private HyperlinkType getHyperlinkType(InputEvent e) {
    int modifiers = e.getModifiers() | e.getModifiersEx();
    if ((modifiers & altActionKeyMask) == altActionKeyMask && ((modifiers & InputEvent.SHIFT_MASK) == 0)) { // Ctrl/Cmd + Shift + Click is Add-Caret
        return HyperlinkType.ALT_HYPERLINK;
    } else if ((modifiers & actionKeyMask) == actionKeyMask && ((modifiers & InputEvent.SHIFT_MASK) == 0)) { // Ctrl/Cmd + Shift + Click is Add-Caret)
        return HyperlinkType.GO_TO_DECLARATION;
    }
    return null;
}
 

public static boolean isMenuShortcutKeyDown(final InputEvent event) {
    return (event.getModifiersEx() & InputEvent.CTRL_DOWN_MASK) != 0;
}
 

static boolean isMenuShortcutKeyDown(InputEvent event) {
    return (event.getModifiersEx() &
            Toolkit.getDefaultToolkit().getMenuShortcutKeyMaskEx()) != 0;
}
 

/**
 * {@code isShiftLeftMouseButton} detects SHIFT-BUTTON1
 * events for flipping pane shortcuts.
 *
 * @param e {@code MouseEvent}, the event
 *
 * @return {@code boolean}, the condition
 */
@Contract(pure = true)
static boolean isShiftLeftMouseButton(InputEvent e)
{
	return ((e.getModifiersEx() & InputEvent.BUTTON1_DOWN_MASK) == InputEvent.BUTTON1_DOWN_MASK) && e.isShiftDown();
}
 

/**
 * {@code isShiftLeftMouseButton} detects SHIFT-BUTTON1
 * events for flipping pane shortcuts.
 *
 * @param e {@code MouseEvent}, the event
 *
 * @return {@code boolean}, the condition
 */
@Contract(pure = true)
static boolean isShiftLeftMouseButton(InputEvent e)
{
	return ((e.getModifiersEx() & InputEvent.BUTTON1_DOWN_MASK) == InputEvent.BUTTON1_DOWN_MASK) && e.isShiftDown();
}