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2b910c35
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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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2b910c35
编写于
7月 29, 2010
作者:
A
alexp
浏览文件
操作
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电子邮件补丁
差异文件
4743225: Size of JComboBox list is wrong when list is populated via PopupMenuListener
Reviewed-by: rupashka
上级
a32de89b
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
114 addition
and
2 deletion
+114
-2
src/share/classes/javax/swing/plaf/basic/BasicComboPopup.java
...share/classes/javax/swing/plaf/basic/BasicComboPopup.java
+3
-2
test/javax/swing/JComboBox/4743225/bug4743225.java
test/javax/swing/JComboBox/4743225/bug4743225.java
+111
-0
未找到文件。
src/share/classes/javax/swing/plaf/basic/BasicComboPopup.java
浏览文件 @
2b910c35
...
...
@@ -202,8 +202,8 @@ public class BasicComboPopup extends JPopupMenu implements ComboPopup {
* Implementation of ComboPopup.show().
*/
public
void
show
()
{
comboBox
.
firePopupMenuWillBecomeVisible
();
setListSelection
(
comboBox
.
getSelectedIndex
());
Point
location
=
getPopupLocation
();
show
(
comboBox
,
location
.
x
,
location
.
y
);
}
...
...
@@ -344,7 +344,8 @@ public class BasicComboPopup extends JPopupMenu implements ComboPopup {
protected
void
firePopupMenuWillBecomeVisible
()
{
super
.
firePopupMenuWillBecomeVisible
();
comboBox
.
firePopupMenuWillBecomeVisible
();
// comboBox.firePopupMenuWillBecomeVisible() is called from BasicComboPopup.show() method
// to let the user change the popup menu from the PopupMenuListener.popupMenuWillBecomeVisible()
}
protected
void
firePopupMenuWillBecomeInvisible
()
{
...
...
test/javax/swing/JComboBox/4743225/bug4743225.java
0 → 100644
浏览文件 @
2b910c35
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4743225
* @summary Size of JComboBox list is wrong when list is populated via PopupMenuListener
* @author Alexander Potochkin
*/
import
sun.awt.SunToolkit
;
import
javax.accessibility.AccessibleContext
;
import
javax.swing.JComboBox
;
import
javax.swing.JFrame
;
import
javax.swing.SwingUtilities
;
import
javax.swing.event.PopupMenuEvent
;
import
javax.swing.event.PopupMenuListener
;
import
javax.swing.plaf.basic.BasicComboPopup
;
import
java.awt.FlowLayout
;
import
java.awt.Point
;
import
java.awt.Robot
;
import
java.awt.Toolkit
;
import
java.awt.event.InputEvent
;
public
class
bug4743225
extends
JFrame
{
private
static
JComboBox
cb
;
private
static
volatile
boolean
flag
;
public
bug4743225
()
{
setDefaultCloseOperation
(
JFrame
.
EXIT_ON_CLOSE
);
setLayout
(
new
FlowLayout
());
cb
=
new
JComboBox
(
new
Object
[]
{
"one"
,
"two"
,
"three"
});
cb
.
addPopupMenuListener
(
new
PopupMenuListener
()
{
public
void
popupMenuWillBecomeVisible
(
PopupMenuEvent
e
)
{
cb
.
addItem
(
"Test"
);
}
public
void
popupMenuWillBecomeInvisible
(
PopupMenuEvent
e
)
{
}
public
void
popupMenuCanceled
(
PopupMenuEvent
e
)
{
}
});
add
(
cb
);
pack
();
}
public
static
BasicComboPopup
getPopup
()
{
AccessibleContext
c
=
cb
.
getAccessibleContext
();
for
(
int
i
=
0
;
i
<
c
.
getAccessibleChildrenCount
();
i
++)
{
if
(
c
.
getAccessibleChild
(
i
)
instanceof
BasicComboPopup
)
{
return
(
BasicComboPopup
)
c
.
getAccessibleChild
(
i
);
}
}
throw
new
AssertionError
(
"No BasicComboPopup found"
);
}
public
static
void
main
(
String
...
args
)
throws
Exception
{
Robot
robot
=
new
Robot
();
robot
.
setAutoDelay
(
20
);
SunToolkit
toolkit
=
(
SunToolkit
)
Toolkit
.
getDefaultToolkit
();
SwingUtilities
.
invokeAndWait
(
new
Runnable
()
{
public
void
run
()
{
new
bug4743225
().
setVisible
(
true
);
}
});
toolkit
.
realSync
();
// calling this method from main thread is ok
Point
point
=
cb
.
getLocationOnScreen
();
robot
.
mouseMove
(
point
.
x
+
10
,
point
.
y
+
10
);
robot
.
mousePress
(
InputEvent
.
BUTTON1_MASK
);
robot
.
mouseRelease
(
InputEvent
.
BUTTON1_MASK
);
toolkit
.
realSync
();
SwingUtilities
.
invokeAndWait
(
new
Runnable
()
{
public
void
run
()
{
if
(
getPopup
().
getList
().
getLastVisibleIndex
()
==
3
)
{
flag
=
true
;
}
}
});
if
(!
flag
)
{
throw
new
RuntimeException
(
"The ComboBox popup wasn't correctly updated"
);
}
}
}
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