Java SWT.ALT属性代码示例

static int keyModifiersToEmbedKeyModifiers(int extModifiers) {
  int embedModifiers = 0;
  if ((extModifiers & SWT.SHIFT) != 0) {
    embedModifiers |= AbstractEvents.MODIFIER_SHIFT;
  }
  if ((extModifiers & SWT.CTRL) != 0) {
    embedModifiers |= AbstractEvents.MODIFIER_CONTROL;
  }
  if ((extModifiers & SWT.ALT) != 0) {
    embedModifiers |= AbstractEvents.MODIFIER_ALT;
  }
  // NOTE: can't get Windows key from SWT
  if ((extModifiers & SWT.COMMAND) != 0) {
    embedModifiers |= AbstractEvents.MODIFIER_META;
  }
  return embedModifiers;
}
 

/**
 * The toolbar command handler contains the global toolbar
 * actions. The intent is that the listener is then added to 
 * multiple visual components.
 */
public Listener createToolbarCommandHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			if (event.type == SWT.KeyUp) {
				if ((event.stateMask & SWT.CTRL) != 0) {	// CTRL+key
					switch (event.character) {
						case CTRL_C:
							getContentTypeAdapter().copy();
							break;
						case CTRL_A:
							getContentTypeAdapter().selectAll();
							break;
						case CTRL_P:
							getContentTypeAdapter().print();
							break;
					}
				} else if ((event.stateMask & SWT.ALT) == 0) { // key alone
					switch (event.keyCode) {
						case SWT.F2:	// the "native" file format (image, text, etc)
							getNativeFilterAdapter().display();
							setFilterToolItemSelection(true, false, false);
							break;
						case SWT.F3:	// Hex format
							getHexFilterAdapter().display();
							setFilterToolItemSelection(false, true, false);
							break;
						case SWT.F4:	// "Raw" hex format
							getRawDumpFilterAdapter().display();
							setFilterToolItemSelection(false, false, true);
							break;
					}
				}
			}
		}
	};
}
 

private void sendMouseEventToFX(MouseEvent me, int embedMouseType) {
    if (scenePeer == null) {
        return;
    }

    Point los = toDisplay(me.x, me.y);
    boolean primaryBtnDown = (me.stateMask & SWT.BUTTON1) != 0;
    boolean middleBtnDown = (me.stateMask & SWT.BUTTON2) != 0;
    boolean secondaryBtnDown = (me.stateMask & SWT.BUTTON3) != 0;
    boolean shift = (me.stateMask & SWT.SHIFT) != 0;
    boolean control = (me.stateMask & SWT.CONTROL) != 0;
    boolean alt = (me.stateMask & SWT.ALT) != 0;
    boolean meta = (me.stateMask & SWT.COMMAND) != 0;
    int button = me.button;
    switch (embedMouseType) {
        case AbstractEvents.MOUSEEVENT_PRESSED:
            primaryBtnDown |= me.button == 1;
            middleBtnDown |= me.button == 2;
            secondaryBtnDown |= me.button == 3;
            break;
        case AbstractEvents.MOUSEEVENT_RELEASED:
            primaryBtnDown &= me.button != 1;
            middleBtnDown &= me.button != 2;
            secondaryBtnDown &= me.button != 3;
            break;
        case AbstractEvents.MOUSEEVENT_CLICKED:
            // Don't send click events to FX, as they are generated in Scene
            return;

        case AbstractEvents.MOUSEEVENT_MOVED:
        case AbstractEvents.MOUSEEVENT_DRAGGED:
        case AbstractEvents.MOUSEEVENT_ENTERED:
        case AbstractEvents.MOUSEEVENT_EXITED:
            // If this event was the result of mouse movement and has no
            // button associated with it, then we look at the state to
            // determine which button to report
            if (button == 0) {
                if ((me.stateMask & SWT.BUTTON1) != 0) {
                    button = 1;
                } else if ((me.stateMask & SWT.BUTTON2) != 0) {
                    button = 2;
                } else if ((me.stateMask & SWT.BUTTON3) != 0) {
                    button = 3;
                }
            }
            break;

        default:
            break;
    }

    scenePeer.mouseEvent(
            embedMouseType,
            SWTEvents.mouseButtonToEmbedMouseButton(button, me.stateMask),
            primaryBtnDown, middleBtnDown, secondaryBtnDown,
            me.x, me.y,
            los.x, los.y,
            shift, control, alt, meta,
            SWTEvents.getWheelRotation(me, embedMouseType),
            false);  // RT-32990: popup trigger not implemented
}
 

/**
 * The toolbar command handler contains the global toolbar
 * actions.  This does not include file-specific actions.
 * The intent is that the listener is then added to multiple
 * visual components (i.e., the file listing as well as the
 * directory listing).
 */
private Listener createToolbarCommandHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			if (event.type == SWT.KeyUp) {
				if ((event.stateMask & SWT.CTRL) != 0) {	// CTRL key held
					if ((event.stateMask & SWT.SHIFT) != 0) {	// SHIFT key held
						switch (event.character) {
							case CTRL_S:	// Save As...
								saveAs();
								break;
						}
					} else {
						switch (event.character) {
							case CTRL_I:	// Import Wizard
								importFiles();
								break;
							case CTRL_P:	// Print...
								print();
								break;
							case CTRL_S:	// Save
								if (getSaveToolItem().isEnabled()) {
									save();
								}
								break;
						}
					}
				} else {	// No CTRL key
				    if ((event.stateMask & SWT.ALT) != SWT.ALT) {	// Ignore ALT key combinations like alt-F4!
					switch (event.keyCode) {
						case SWT.F2:	// Standard file display
							changeCurrentFormat(FormattedDisk.FILE_DISPLAY_STANDARD);
							break;
						case SWT.F3:	// Native file display
							changeCurrentFormat(FormattedDisk.FILE_DISPLAY_NATIVE);
							break;
						case SWT.F4:	// Detail file display
							changeCurrentFormat(FormattedDisk.FILE_DISPLAY_DETAIL);
							break;
						case SWT.F5:	// Show deleted files
							setShowDeletedFiles(!getShowDeletedFilesToolItem().getSelection());
							getShowDeletedFilesToolItem().setSelection(isShowDeletedFiles());
							fillFileTable(getCurrentFileList());
							break;
						}
					}
				}
			}
		}
	};
}