Method setKeyDown

ij/src/main/java/ij/IJ.java:1175–1202

(int key)

	 * KeyEvent.VK_SPACE or KeyEvent.VK_ESCAPE.
	*/
	public static void setKeyDown(int key) {
		switch (key) {
			case KeyEvent.VK_CONTROL:
				controlDown=true;
				break;
			case KeyEvent.VK_META:
				if (isMacintosh()) controlDown=true;
				break;
			case KeyEvent.VK_ALT:
				altDown=true;
				updateStatus();
				break;
			case KeyEvent.VK_SHIFT:
				shiftDown=true;
				if (debugMode) beep();
				break;
			case KeyEvent.VK_SPACE: {
				spaceDown=true;
				ImageWindow win = WindowManager.getCurrentWindow();
				//if (win!=null) win.getCanvas().setCursor(-1,-1,-1, -1);
				break;
			}
			case KeyEvent.VK_ESCAPE: {
				escapePressed = true;
				break;
			}
		}
	}

	/* Sets the specified key "up", where 'key'
	 * is KeyEvent.VK_CONTROL, KeyEvent.VK_META,