mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-30 19:53:46 +00:00
108 lines
3.2 KiB
Java
108 lines
3.2 KiB
Java
/* EventDispatchThread.java -
|
|
Copyright (C) 2000, 2002, 2004 Free Software Foundation
|
|
|
|
This file is part of GNU Classpath.
|
|
|
|
GNU Classpath is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
GNU Classpath 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 for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU Classpath; see the file COPYING. If not, write to the
|
|
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301 USA.
|
|
|
|
Linking this library statically or dynamically with other modules is
|
|
making a combined work based on this library. Thus, the terms and
|
|
conditions of the GNU General Public License cover the whole
|
|
combination.
|
|
|
|
As a special exception, the copyright holders of this library give you
|
|
permission to link this library with independent modules to produce an
|
|
executable, regardless of the license terms of these independent
|
|
modules, and to copy and distribute the resulting executable under
|
|
terms of your choice, provided that you also meet, for each linked
|
|
independent module, the terms and conditions of the license of that
|
|
module. An independent module is a module which is not derived from
|
|
or based on this library. If you modify this library, you may extend
|
|
this exception to your version of the library, but you are not
|
|
obligated to do so. If you do not wish to do so, delete this
|
|
exception statement from your version. */
|
|
|
|
package java.awt;
|
|
|
|
/**
|
|
* @author Bryce McKinlay
|
|
* @status believed complete, but untested.
|
|
*/
|
|
class EventDispatchThread extends Thread
|
|
{
|
|
/**
|
|
* The default priority when no property has been set.
|
|
*/
|
|
private static final int DEFAULT_PRIORITY = NORM_PRIORITY + 1;
|
|
|
|
private static int dispatchThreadNum;
|
|
|
|
private EventQueue queue;
|
|
|
|
EventDispatchThread(EventQueue queue)
|
|
{
|
|
super();
|
|
setName("AWT-EventQueue-" + ++dispatchThreadNum);
|
|
this.queue = queue;
|
|
|
|
int priority = DEFAULT_PRIORITY;
|
|
try
|
|
{
|
|
String priorityString =
|
|
System.getProperty("gnu.awt.dispatchthread.priority");
|
|
if (priorityString != null)
|
|
{
|
|
priority = Integer.parseInt(priorityString);
|
|
}
|
|
}
|
|
catch (NumberFormatException ex)
|
|
{
|
|
// Ignore and use default.
|
|
}
|
|
setPriority(priority);
|
|
|
|
// Make sure that an event dispatch thread is never a daemon thread.
|
|
setDaemon(false);
|
|
}
|
|
|
|
public void run()
|
|
{
|
|
while (true)
|
|
{
|
|
try
|
|
{
|
|
AWTEvent evt = queue.getNextEvent();
|
|
queue.dispatchEvent(evt);
|
|
}
|
|
catch (ThreadDeath death)
|
|
{
|
|
// If someone wants to kill us, let them.
|
|
return;
|
|
}
|
|
catch (InterruptedException ie)
|
|
{
|
|
// We are interrupted when we should finish executing
|
|
return;
|
|
}
|
|
catch (Throwable x)
|
|
{
|
|
System.err.println("Exception during event dispatch:");
|
|
x.printStackTrace(System.err);
|
|
}
|
|
}
|
|
}
|
|
}
|