Initial revision

From-SVN: r104578

libjava/classpath/native/jni/qt-peer/mainqtthread.cpp

@@ -0,0 +1,112 @@
+/* mainqtthread.cpp --
+   Copyright (C)  2005  Free Software Foundation, Inc.
+
+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. */
+
+#include <assert.h>
+#include <jni.h>
+#include <QApplication>
+#include <QThread>
+#include <gnu_java_awt_peer_qt_MainQtThread.h>
+#include "mainthreadinterface.h"
+
+MainThreadInterface *mainThread;
+QApplication *qApplication;
+
+#if defined(Q_WS_X11)
+extern void qt_x11_set_global_double_buffer( bool );
+#endif
+
+/**
+ * Starts up a QApplication
+ */
+JNIEXPORT jlong JNICALL Java_gnu_java_awt_peer_qt_MainQtThread_init
+(JNIEnv *env, jobject obj, jstring theme, jboolean doublebuffer)
+{
+  int *argc;
+  char **argv;
+
+  if(theme != NULL)
+    {
+      argc = (int*)malloc(sizeof(int));
+      *argc = 3;
+      argv = (char **)malloc( 3 * sizeof(char *) );
+      argv[0] = (char *)malloc(10 * sizeof(char));
+      argv[1] = (char *)malloc(10 * sizeof(char));
+      argv[2] = (char *)malloc(100 * sizeof(char));
+      strncpy(argv[0], "\0", 2);
+      strncpy(argv[1], "-style\0", 8);
+      strncpy(argv[2], (char *)env->GetStringUTFChars( theme, NULL ), 100);
+    } 
+   else
+    {
+      argc = (int*)malloc(sizeof(int));
+      *argc = 1;
+      argv = (char **)malloc( 3 * sizeof(char *) );
+      argv[0] = (char *)malloc(10 * sizeof(char));
+      strncpy(argv[0], " \0", 3);
+    }
+  QApplication *qtApp = new QApplication( *argc, argv );
+  assert( qtApp );
+
+  qApplication = qtApp;
+
+  if( theme != NULL)
+    env->ReleaseStringUTFChars( theme, argv[1] );
+
+  mainThread = new MainThreadInterface( qtApp );
+
+  jclass cls = env->GetObjectClass(obj);
+  jfieldID nofid = env->GetFieldID( cls, "mainThreadInterface", "J" );
+  env->SetLongField( obj, nofid, (jlong)mainThread );
+
+#if defined(Q_WS_X11)
+  // turn off double-buffering.
+  qt_x11_set_global_double_buffer( (doublebuffer == JNI_TRUE) );
+#endif
+
+  return (jlong)qtApp;
+}
+
+/*
+ * Calls QApplication::exec()
+ */
+JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_MainQtThread_exec
+(JNIEnv *env, jobject obj, jlong ptr)
+{
+  QApplication *app = (QApplication *)ptr;
+  if(app)
+    app->exec();
+}