1 /*
2 * Copyright (c) 2002, 2014, 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.X11;
26
27 import java.util.*;
28 import java.awt.*;
29 import java.awt.peer.*;
30 import java.awt.event.*;
31 import sun.awt.AWTAccessor;
32
33 import sun.awt.*;
34
35 class XDialogPeer extends XDecoratedPeer implements DialogPeer {
36
37 private Boolean undecorated;
38
39 XDialogPeer(Dialog target) {
40 super(target);
41 }
42
43 public void preInit(XCreateWindowParams params) {
44 super.preInit(params);
45
46 Dialog target = (Dialog)(this.target);
47 undecorated = Boolean.valueOf(target.isUndecorated());
48 winAttr.nativeDecor = !target.isUndecorated();
49 if (winAttr.nativeDecor) {
50 winAttr.decorations = XWindowAttributesData.AWT_DECOR_ALL;
51 } else {
52 winAttr.decorations = XWindowAttributesData.AWT_DECOR_NONE;
53 }
54 winAttr.functions = MWMConstants.MWM_FUNC_ALL;
55 winAttr.isResizable = true; //target.isResizable();
56 winAttr.initialResizability = target.isResizable();
57 winAttr.title = target.getTitle();
58 winAttr.initialState = XWindowAttributesData.NORMAL;
59 }
60
61 public void setVisible(boolean vis) {
62 if (isDisposed()) {
63 return;
64 }
65 XToolkit.awtLock();
66 try {
67 Dialog target = (Dialog)this.target;
68 if (vis) {
69 if (target.getModalityType() != Dialog.ModalityType.MODELESS) {
70 if (!isModalBlocked()) {
71 XBaseWindow.ungrabInput();
72 }
73 }
74 } else {
75 restoreTransientFor(this);
76 prevTransientFor = null;
77 nextTransientFor = null;
78 }
79 } finally {
80 XToolkit.awtUnlock();
81 }
82
83 super.setVisible(vis);
84 }
85
86 @Override
87 boolean isTargetUndecorated() {
88 if (undecorated != null) {
89 return undecorated.booleanValue();
90 } else {
91 return ((Dialog)target).isUndecorated();
92 }
93 }
94
95 int getDecorations() {
96 int d = super.getDecorations();
97 // remove minimize and maximize buttons for dialogs
98 if ((d & MWMConstants.MWM_DECOR_ALL) != 0) {
99 d |= (MWMConstants.MWM_DECOR_MINIMIZE | MWMConstants.MWM_DECOR_MAXIMIZE);
100 } else {
101 d &= ~(MWMConstants.MWM_DECOR_MINIMIZE | MWMConstants.MWM_DECOR_MAXIMIZE);
102 }
103 return d;
104 }
105
106 int getFunctions() {
107 int f = super.getFunctions();
108 // remove minimize and maximize functions for dialogs
109 if ((f & MWMConstants.MWM_FUNC_ALL) != 0) {
110 f |= (MWMConstants.MWM_FUNC_MINIMIZE | MWMConstants.MWM_FUNC_MAXIMIZE);
111 } else {
112 f &= ~(MWMConstants.MWM_FUNC_MINIMIZE | MWMConstants.MWM_FUNC_MAXIMIZE);
113 }
114 return f;
115 }
116
117 public void blockWindows(java.util.List<Window> toBlock) {
118 Vector<XWindowPeer> javaToplevels = null;
119 XToolkit.awtLock();
120 try {
121 javaToplevels = XWindowPeer.collectJavaToplevels();
122 for (Window w : toBlock) {
123 XWindowPeer wp = AWTAccessor.getComponentAccessor().getPeer(w);
124 if (wp != null) {
125 wp.setModalBlocked((Dialog)target, true, javaToplevels);
126 }
127 }
128 } finally {
129 XToolkit.awtUnlock();
130 }
131 }
132
133 /*
134 * WARNING: don't call client code in this method!
135 *
136 * The check is performed before the dialog is shown.
137 * The focused window can't be blocked at the time it's focused.
138 * Thus we don't have to perform any transitive (a blocker of a blocker) checks.
139 */
140 boolean isFocusedWindowModalBlocker() {
141 Window focusedWindow = XKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow();
142 XWindowPeer focusedWindowPeer = null;
143
144 if (focusedWindow != null) {
145 focusedWindowPeer = AWTAccessor.getComponentAccessor().getPeer(focusedWindow);
146 } else {
147 /*
148 * For the case when a potential blocked window is not yet focused
149 * on the Java level (e.g. it's just been mapped) we're asking for the
150 * focused window on the native level.
151 */
152 focusedWindowPeer = getNativeFocusedWindowPeer();
153 }
154 synchronized (getStateLock()) {
155 if (focusedWindowPeer != null && focusedWindowPeer.modalBlocker == target) {
156 return true;
157 }
158 }
159 return super.isFocusedWindowModalBlocker();
160 }
161 }