1 /*
   2  * Copyright (c) 2013, 2017, 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.awt.windows;
  27 
  28 import java.awt.Component;
  29 import java.awt.Graphics;
  30 import java.awt.dnd.DropTarget;
  31 import java.awt.event.ComponentEvent;
  32 import java.awt.event.MouseEvent;
  33 
  34 import sun.awt.LightweightFrame;
  35 import sun.awt.OverrideNativeWindowHandle;
  36 import sun.swing.JLightweightFrame;
  37 import sun.swing.SwingAccessor;
  38 
  39 public class WLightweightFramePeer extends WFramePeer implements OverrideNativeWindowHandle {
  40 
  41     public WLightweightFramePeer(LightweightFrame target) {
  42         super(target);
  43     }
  44 
  45     private LightweightFrame getLwTarget() {
  46         return (LightweightFrame)target;
  47     }
  48 
  49     @Override
  50     public Graphics getGraphics() {
  51         return getLwTarget().getGraphics();
  52     }
  53 
  54     private native void overrideNativeHandle(long hwnd);
  55 
  56     @Override
  57     public void overrideWindowHandle(final long handle) {
  58         overrideNativeHandle(handle);
  59     }
  60 
  61     @Override
  62     public void show() {
  63         super.show();
  64         postEvent(new ComponentEvent((Component)getTarget(), ComponentEvent.COMPONENT_SHOWN));
  65     }
  66 
  67     @Override
  68     public void hide() {
  69         super.hide();
  70         postEvent(new ComponentEvent((Component)getTarget(), ComponentEvent.COMPONENT_HIDDEN));
  71     }
  72 
  73     @Override
  74     public void reshape(int x, int y, int width, int height) {
  75         super.reshape(x, y, width, height);
  76         postEvent(new ComponentEvent((Component) getTarget(), ComponentEvent.COMPONENT_MOVED));
  77         postEvent(new ComponentEvent((Component) getTarget(), ComponentEvent.COMPONENT_RESIZED));
  78     }
  79 
  80     @Override
  81     public void handleEvent(java.awt.AWTEvent e) {
  82         if (e.getID() == MouseEvent.MOUSE_PRESSED) {
  83             emulateActivation(true);
  84         }
  85         super.handleEvent(e);
  86     }
  87 
  88     @Override
  89     public void grab() {
  90         getLwTarget().grabFocus();
  91     }
  92 
  93     @Override
  94     public void ungrab() {
  95         getLwTarget().ungrabFocus();
  96     }
  97 
  98     @Override
  99     public void updateCursorImmediately() {
 100         SwingAccessor.getJLightweightFrameAccessor().updateCursor((JLightweightFrame)getLwTarget());
 101     }
 102 
 103     public boolean isLightweightFramePeer() {
 104         return true;
 105     }
 106 
 107     @Override
 108     public void addDropTarget(DropTarget dt) {
 109         getLwTarget().addDropTarget(dt);
 110     }
 111 
 112     @Override
 113     public void removeDropTarget(DropTarget dt) {
 114         getLwTarget().removeDropTarget(dt);
 115     }
 116 }