1 /*
   2  * Copyright (c) 1996, 2008, 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 package sun.awt.windows;
  26 
  27 import java.util.*;
  28 import java.awt.*;
  29 import java.awt.peer.*;
  30 
  31 import sun.awt.*;
  32 import sun.awt.im.*;
  33 
  34 class WDialogPeer extends WWindowPeer implements DialogPeer {
  35     // Toolkit & peer internals
  36 
  37     // Platform default background for dialogs.  Gets set on target if
  38     // target has none explicitly specified.
  39     final static Color defaultBackground =  SystemColor.control;
  40 
  41     // If target doesn't have its background color set, we set its
  42     // background to platform default.
  43     boolean needDefaultBackground;
  44 
  45     WDialogPeer(Dialog target) {
  46         super(target);
  47 
  48         InputMethodManager imm = InputMethodManager.getInstance();
  49         String menuString = imm.getTriggerMenuString();
  50         if (menuString != null)
  51         {
  52             pSetIMMOption(menuString);
  53         }
  54     }
  55 
  56     native void createAwtDialog(WComponentPeer parent);
  57     void create(WComponentPeer parent) {
  58         preCreate(parent);
  59         createAwtDialog(parent);
  60     }
  61 
  62     native void showModal();
  63     native void endModal();
  64 
  65     void initialize() {
  66         Dialog target = (Dialog)this.target;
  67         // Need to set target's background to default _before_ a call
  68         // to super.initialize.
  69         if (needDefaultBackground) {
  70             target.setBackground(defaultBackground);
  71         }
  72 
  73         super.initialize();
  74 
  75         if (target.getTitle() != null) {
  76             setTitle(target.getTitle());
  77         }
  78         setResizable(target.isResizable());
  79     }
  80 
  81     protected void realShow() {
  82         Dialog dlg = (Dialog)target;
  83         if (dlg.getModalityType() != Dialog.ModalityType.MODELESS) {
  84             showModal();
  85         } else {
  86             super.realShow();
  87         }
  88     }
  89 
  90     @SuppressWarnings("deprecation")
  91     public void hide() {
  92         Dialog dlg = (Dialog)target;
  93         if (dlg.getModalityType() != Dialog.ModalityType.MODELESS) {
  94             endModal();
  95         } else {
  96             super.hide();
  97         }
  98     }
  99 
 100     public void blockWindows(java.util.List<Window> toBlock) {
 101         for (Window w : toBlock) {
 102             WWindowPeer wp = (WWindowPeer)AWTAccessor.getComponentAccessor().getPeer(w);
 103             if (wp != null) {
 104                 wp.setModalBlocked((Dialog)target, true);
 105             }
 106         }
 107     }
 108 
 109     public Dimension getMinimumSize() {
 110         if (((Dialog)target).isUndecorated()) {
 111             return super.getMinimumSize();
 112         } else {
 113             return new Dimension(getSysMinWidth(), getSysMinHeight());
 114         }
 115     }
 116 
 117     @Override
 118     boolean isTargetUndecorated() {
 119         return ((Dialog)target).isUndecorated();
 120     }
 121 
 122     public void reshape(int x, int y, int width, int height) {
 123         if (((Dialog)target).isUndecorated()) {
 124             super.reshape(x, y, width, height);
 125         } else {
 126             reshapeFrame(x, y, width, height);
 127         }
 128     }
 129 
 130     /* Native create() peeks at target's background and if it's null
 131      * calls this method to arrage for default background to be set on
 132      * target.  Can't make the check in Java, since getBackground will
 133      * return owner's background if target has none set.
 134      */
 135     private void setDefaultColor() {
 136         // Can't call target.setBackground directly, since we are
 137         // called on toolkit thread.  Can't schedule a Runnable on the
 138         // EventHandlerThread because of the race condition.  So just
 139         // set a flag and call target.setBackground in initialize.
 140         needDefaultBackground = true;
 141     }
 142 
 143     native void pSetIMMOption(String option);
 144     void notifyIMMOptionChange(){
 145       InputMethodManager.getInstance().notifyChangeRequest((Component)target);
 146     }
 147 }