| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you under the Apache License, |
| * Version 2.0 (the "License"); you may not use this file except in |
| * compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.pivot.wtk; |
| |
| import java.awt.Graphics2D; |
| |
| import org.apache.pivot.wtk.skin.DisplaySkin; |
| |
| /** |
| * Container that serves as the root of a component hierarchy. |
| */ |
| public final class Display extends Container { |
| private ApplicationContext.DisplayHost displayHost; |
| |
| public Display(ApplicationContext.DisplayHost displayHost) { |
| this.displayHost = displayHost; |
| super.setSkin(new DisplaySkin()); |
| } |
| |
| public ApplicationContext.DisplayHost getDisplayHost() { |
| return displayHost; |
| } |
| |
| public java.awt.Window getHostWindow() { |
| java.awt.Container parent = displayHost.getParent(); |
| while (parent != null && !(parent instanceof java.awt.Window)) { |
| parent = parent.getParent(); |
| } |
| |
| if (parent == null) { |
| throw new IllegalArgumentException("Window does not have a native host."); |
| } |
| |
| return (java.awt.Window) parent; |
| } |
| |
| @Override |
| protected void setSkin(Skin skin) { |
| throw new UnsupportedOperationException("Can't replace Display skin."); |
| } |
| |
| @Override |
| protected void setParent(Container parent) { |
| throw new UnsupportedOperationException("Display can't have a parent."); |
| } |
| |
| @Override |
| public void setLocation(int x, int y) { |
| throw new UnsupportedOperationException("Can't change the location of the display."); |
| } |
| |
| @Override |
| public void setVisible(boolean visible) { |
| throw new UnsupportedOperationException("Can't change the visibility of the display."); |
| } |
| |
| @Override |
| public void setTooltipText(String tooltipText) { |
| throw new UnsupportedOperationException("Can't set a tooltip on the display."); |
| } |
| |
| @Override |
| public void repaint(int x, int y, int width, int height, boolean immediate) { |
| if (immediate) { |
| Graphics2D graphics = (Graphics2D) displayHost.getGraphics(); |
| |
| // If the display host has been made non-displayable (as will |
| // happen when the native peer closes), graphics will be null |
| if (graphics != null) { |
| double scale = displayHost.getScale(); |
| if (scale == 1) { |
| graphics.clipRect(x, y, width, height); |
| } else { |
| graphics.clipRect((int) Math.floor(x * scale), (int) Math.floor(y * scale), |
| (int) Math.ceil(width * scale) + 1, (int) Math.ceil(height * scale) + 1); |
| } |
| |
| displayHost.paint(graphics); |
| graphics.dispose(); |
| } |
| } else { |
| displayHost.repaint(x, y, width, height); |
| } |
| } |
| |
| @Override |
| public void insert(Component component, int index) { |
| if (!(component instanceof Window)) { |
| throw new IllegalArgumentException("component must be an instance " + "of " |
| + Window.class); |
| } |
| |
| super.insert(component, index); |
| } |
| |
| @Override |
| protected void descendantAdded(Component descendant) { |
| super.descendantAdded(descendant); |
| |
| String automationID = descendant.getAutomationID(); |
| |
| if (automationID != null) { |
| Automation.add(automationID, descendant); |
| } |
| } |
| |
| @Override |
| protected void descendantRemoved(Component descendant) { |
| super.descendantRemoved(descendant); |
| |
| String automationID = descendant.getAutomationID(); |
| |
| if (automationID != null) { |
| Automation.remove(automationID); |
| } |
| } |
| |
| @Override |
| public FocusTraversalPolicy getFocusTraversalPolicy() { |
| return null; |
| } |
| } |