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 XToolkit.awtLock();
63 try {
64 Dialog target = (Dialog)this.target;
65 if (vis) {
66 if (target.getModalityType() != Dialog.ModalityType.MODELESS) {
67 if (!isModalBlocked()) {
68 XBaseWindow.ungrabInput();
69 }
70 }
71 } else {
72 restoreTransientFor(this);
73 prevTransientFor = null;
74 nextTransientFor = null;
75 }
76 } finally {
77 XToolkit.awtUnlock();
78 }
79
80 super.setVisible(vis);
81 }
82
83 @Override
84 boolean isTargetUndecorated() {
85 if (undecorated != null) {
86 return undecorated.booleanValue();
87 } else {
88 return ((Dialog)target).isUndecorated();
89 }
90 }
91
92 int getDecorations() {
93 int d = super.getDecorations();
94 // remove minimize and maximize buttons for dialogs
95 if ((d & MWMConstants.MWM_DECOR_ALL) != 0) {
96 d |= (MWMConstants.MWM_DECOR_MINIMIZE | MWMConstants.MWM_DECOR_MAXIMIZE);
97 } else {
98 d &= ~(MWMConstants.MWM_DECOR_MINIMIZE | MWMConstants.MWM_DECOR_MAXIMIZE);
99 }
100 return d;
101 }
102
103 int getFunctions() {
104 int f = super.getFunctions();
105 // remove minimize and maximize functions for dialogs
106 if ((f & MWMConstants.MWM_FUNC_ALL) != 0) {
107 f |= (MWMConstants.MWM_FUNC_MINIMIZE | MWMConstants.MWM_FUNC_MAXIMIZE);
108 } else {
109 f &= ~(MWMConstants.MWM_FUNC_MINIMIZE | MWMConstants.MWM_FUNC_MAXIMIZE);
110 }
111 return f;
112 }
113
114 public void blockWindows(java.util.List<Window> toBlock) {
115 Vector<XWindowPeer> javaToplevels = null;
116 XToolkit.awtLock();
117 try {
118 javaToplevels = XWindowPeer.collectJavaToplevels();
119 for (Window w : toBlock) {
120 XWindowPeer wp = AWTAccessor.getComponentAccessor().getPeer(w);
121 if (wp != null) {
122 wp.setModalBlocked((Dialog)target, true, javaToplevels);
123 }
124 }
125 } finally {
126 XToolkit.awtUnlock();
127 }
128 }
129
130 /*
131 * WARNING: don't call client code in this method!
132 *
133 * The check is performed before the dialog is shown.
134 * The focused window can't be blocked at the time it's focused.
135 * Thus we don't have to perform any transitive (a blocker of a blocker) checks.
136 */
137 boolean isFocusedWindowModalBlocker() {
138 Window focusedWindow = XKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow();
139 XWindowPeer focusedWindowPeer = null;
140
141 if (focusedWindow != null) {
142 focusedWindowPeer = AWTAccessor.getComponentAccessor().getPeer(focusedWindow);
143 } else {
144 /*
145 * For the case when a potential blocked window is not yet focused
146 * on the Java level (e.g. it's just been mapped) we're asking for the
147 * focused window on the native level.
148 */
149 focusedWindowPeer = getNativeFocusedWindowPeer();
150 }
151 synchronized (getStateLock()) {
152 if (focusedWindowPeer != null && focusedWindowPeer.modalBlocker == target) {
153 return true;
154 }
155 }
156 return super.isFocusedWindowModalBlocker();
157 }
158 }