1 /*
   2  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.lwawt.macosx;
  27 
  28 import sun.lwawt.LWToolkit;
  29 import sun.lwawt.LWWindowPeer;
  30 import sun.lwawt.macosx.CocoaConstants;
  31 import sun.lwawt.macosx.event.NSEvent;
  32 
  33 import sun.awt.EmbeddedFrame;
  34 
  35 import java.awt.*;
  36 import java.awt.event.*;
  37 
  38 public class CEmbeddedFrame extends EmbeddedFrame {
  39 
  40     private CPlatformResponder responder;
  41     private boolean focused = true;
  42     private boolean parentWindowActive = true;
  43 
  44     public CEmbeddedFrame() {
  45         show();
  46     }
  47 
  48     public void addNotify() {
  49         if (getPeer() == null) {
  50             LWToolkit toolkit = (LWToolkit)Toolkit.getDefaultToolkit();
  51             LWWindowPeer peer = toolkit.createEmbeddedFrame(this);
  52             setPeer(peer);
  53             responder = new CPlatformResponder(peer, true);
  54         }
  55         super.addNotify();
  56     }
  57 
  58     public void registerAccelerator(AWTKeyStroke stroke) {}
  59 
  60     public void unregisterAccelerator(AWTKeyStroke stroke) {}
  61 
  62     protected long getLayerPtr() {
  63         LWWindowPeer peer = (LWWindowPeer)getPeer();
  64         return peer.getLayerPtr();
  65     }
  66 
  67     // -----------------------------------------------------------------------
  68     //                          SYNTHETIC EVENT DELIVERY
  69     // -----------------------------------------------------------------------
  70 
  71     public void handleMouseEvent(int eventType, int modifierFlags, double pluginX,
  72                                  double pluginY, int buttonNumber, int clickCount) {
  73         int x = (int)pluginX;
  74         int y = (int)pluginY;
  75         Point locationOnScreen = getLocationOnScreen();
  76         int screenX = locationOnScreen.x + x;
  77         int screenY = locationOnScreen.y + y;
  78 
  79         responder.handleMouseEvent(eventType, modifierFlags, buttonNumber,
  80                                    clickCount, x, y, screenX, screenY);
  81     }
  82 
  83     public void handleScrollEvent(double pluginX, double pluginY, int modifierFlags,
  84                                   double deltaX, double deltaY, double deltaZ) {
  85         int x = (int)pluginX;
  86         int y = (int)pluginY;
  87 
  88         responder.handleScrollEvent(x, y, modifierFlags, deltaX, deltaY);
  89     }
  90 
  91     public void handleKeyEvent(int eventType, int modifierFlags, String characters,
  92                                String charsIgnoringMods, boolean isRepeat, short keyCode) {
  93         responder.handleKeyEvent(eventType, modifierFlags, charsIgnoringMods, keyCode);
  94     }
  95 
  96     public void handleInputEvent(String text) {
  97         new RuntimeException("Not implemented");
  98     }
  99 
 100     public void handleFocusEvent(boolean focused) {
 101         this.focused = focused;
 102         updateOverlayWindowActiveState();
 103     }
 104 
 105     public void handleWindowFocusEvent(boolean parentWindowActive) {
 106         this.parentWindowActive = parentWindowActive;
 107         updateOverlayWindowActiveState();
 108     }
 109 
 110     public boolean isParentWindowActive() {
 111         return parentWindowActive;
 112     }
 113 
 114     /*
 115      * May change appearance of contents of window, and generate a
 116      * WINDOW_ACTIVATED event.
 117      */
 118     private void updateOverlayWindowActiveState() {
 119         final boolean showAsFocused = parentWindowActive && focused;
 120         dispatchEvent(
 121             new FocusEvent(this, showAsFocused ?
 122                                  FocusEvent.FOCUS_GAINED :
 123                                  FocusEvent.FOCUS_LOST));
 124      }
 125 
 126 }