1 /*
   2  * Copyright (c) 1996, 2020, 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.Color;
  29 import java.awt.Component;
  30 import java.awt.Dialog;
  31 import java.awt.Dimension;
  32 import java.awt.SystemColor;
  33 import java.awt.Window;
  34 import java.awt.peer.DialogPeer;
  35 
  36 import sun.awt.AWTAccessor;
  37 import sun.awt.im.InputMethodManager;
  38 
  39 import static sun.java2d.SunGraphicsEnvironment.toUserSpace;
  40 
  41 final class WDialogPeer extends WWindowPeer implements DialogPeer {
  42     // Toolkit & peer internals
  43 
  44     // Platform default background for dialogs.  Gets set on target if
  45     // target has none explicitly specified.
  46     static final Color defaultBackground =  SystemColor.control;
  47 
  48     WDialogPeer(Dialog target) {
  49         super(target);
  50 
  51         InputMethodManager imm = InputMethodManager.getInstance();
  52         String menuString = imm.getTriggerMenuString();
  53         if (menuString != null)
  54         {
  55             pSetIMMOption(menuString);
  56         }
  57     }
  58 
  59     native void createAwtDialog(WComponentPeer parent);
  60     @Override
  61     void create(WComponentPeer parent) {
  62         preCreate(parent);
  63         createAwtDialog(parent);
  64     }
  65 
  66     native void showModal();
  67     native void endModal();
  68 
  69     @Override
  70     void initialize() {
  71         Dialog target = (Dialog)this.target;
  72         // Need to set target's background to default _before_ a call
  73         // to super.initialize.
  74         if (!target.isBackgroundSet()) {
  75             target.setBackground(defaultBackground);
  76         }
  77 
  78         super.initialize();
  79 
  80         if (target.getTitle() != null) {
  81             setTitle(target.getTitle());
  82         }
  83         setResizable(target.isResizable());
  84     }
  85 
  86     @Override
  87     protected void realShow() {
  88         Dialog dlg = (Dialog)target;
  89         if (dlg.getModalityType() != Dialog.ModalityType.MODELESS) {
  90             showModal();
  91         } else {
  92             super.realShow();
  93         }
  94     }
  95 
  96     @Override
  97     @SuppressWarnings("deprecation")
  98     void hide() {
  99         Dialog dlg = (Dialog)target;
 100         if (dlg.getModalityType() != Dialog.ModalityType.MODELESS) {
 101             endModal();
 102         } else {
 103             super.hide();
 104         }
 105     }
 106 
 107     @Override
 108     public void blockWindows(java.util.List<Window> toBlock) {
 109         for (Window w : toBlock) {
 110             WWindowPeer wp = AWTAccessor.getComponentAccessor().getPeer(w);
 111             if (wp != null) {
 112                 wp.setModalBlocked((Dialog)target, true);
 113             }
 114         }
 115     }
 116 
 117     @Override
 118     public Dimension getMinimumSize() {
 119         if (((Dialog)target).isUndecorated()) {
 120             return super.getMinimumSize();
 121         }
 122         return toUserSpace(getGraphicsConfiguration(),
 123                            getSysMinWidth(), getSysMinHeight());
 124     }
 125 
 126     @Override
 127     boolean isTargetUndecorated() {
 128         return ((Dialog)target).isUndecorated();
 129     }
 130 
 131     @Override
 132     public void reshape(int x, int y, int width, int height) {
 133         if (((Dialog)target).isUndecorated()) {
 134             super.reshape(x, y, width, height);
 135         } else {
 136             reshapeFrame(x, y, width, height);
 137         }
 138     }
 139 
 140     native void pSetIMMOption(String option);
 141     void notifyIMMOptionChange(){
 142       InputMethodManager.getInstance().notifyChangeRequest((Component)target);
 143     }
 144 }