mirror of git://gcc.gnu.org/git/gcc.git
112 lines
3.4 KiB
Java
112 lines
3.4 KiB
Java
/* GtkMainThread.java -- Runs gtk_main()
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Copyright (C) 1998, 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.awt.peer.gtk;
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public class GtkMainThread extends GtkGenericPeer implements Runnable
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{
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private static Thread mainThread = null;
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private static Object mainThreadLock = new Object();
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// Whether the gtk+ subsystem has been initialized.
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private boolean gtkInitCalled = false;
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/**
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* Call gtk_init. It is very important that this happen before any other
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* gtk calls.
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*
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* @param portableNativeSync 1 if the Java property
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* gnu.classpath.awt.gtk.portable.native.sync is set to "true". 0 if it is
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* set to "false". -1 if unset.
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*/
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static native void gtkInit(int portableNativeSync);
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native void gtkMain();
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public GtkMainThread()
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{
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super (null);
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synchronized (mainThreadLock)
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{
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if (mainThread != null)
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throw new IllegalStateException();
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mainThread = new Thread(this, "GtkMain");
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}
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synchronized (this)
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{
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mainThread.start();
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while (!gtkInitCalled)
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{
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try
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{
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wait();
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}
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catch (InterruptedException e) { }
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}
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}
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}
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public void run()
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{
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/* Pass the value of the gnu.classpath.awt.gtk.portable.native.sync system
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* property to C. */
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int portableNativeSync;
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String portNatSyncProp =
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System.getProperty("gnu.classpath.awt.gtk.portable.native.sync");
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if (portNatSyncProp == null)
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portableNativeSync = -1; // unset
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else if (Boolean.valueOf(portNatSyncProp).booleanValue())
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portableNativeSync = 1; // true
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else
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portableNativeSync = 0; // false
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synchronized (this)
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{
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gtkInit(portableNativeSync);
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gtkInitCalled = true;
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notifyAll();
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}
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gtkMain();
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}
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}
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