Initial revision

From-SVN: r104578
2005-09-23 19:36:46 +00:00 · 2005-09-23 19:36:46 +00:00 · 9b044d1951
commit 9b044d1951
parent acff2da93c
495 changed files with 82760 additions and 0 deletions
--- a/libjava/classpath/native/jni/qt-peer/qtcomponent.cpp
+++ b/libjava/classpath/native/jni/qt-peer/qtcomponent.cpp
@ -0,0 +1,122 @@
+/* qtcomponent.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 <jni.h>
+#include <assert.h>
+#include <qmainwindow.h>
+#include <qwidget.h>
+#include "qtcomponent.h"
+#include "containers.h"
+
+#define COMPONENT_CLASS "gnu/java/awt/peer/qt/QtComponentPeer"
+
+/*
+ * Returns the parent widget for a QtComponentPeer
+ */
+void *getParentWidget( JNIEnv *env, jobject qtcomponentpeer )
+{
+  jclass componentCls = env->GetObjectClass( qtcomponentpeer );
+  jfieldID ownerField = env->GetFieldID( componentCls,
+					 "owner", "Ljava/awt/Component;" );
+  assert( ownerField );
+  jobject owner = env->GetObjectField( qtcomponentpeer, ownerField );
+  if (owner == NULL)
+    return NULL;
+
+  jclass ownerCls = env->GetObjectClass( owner );
+  jmethodID getParentMID = env->GetMethodID( ownerCls,
+					     "getParent", 
+					     "()Ljava/awt/Container;" );
+  assert(getParentMID);
+
+  jobject parent = env->CallObjectMethod( owner, getParentMID, 0);
+  assert(parent);
+
+  // Get the parents peer
+  jclass parentCls = env->GetObjectClass( parent );
+  {
+    jclass frameCls = env->FindClass( "java/awt/Frame" );
+    if(env->IsInstanceOf( parent, frameCls ) == JNI_TRUE)
+      return frameChildWidget( env, parent );
+  }
+  {
+    jclass scrollpaneCls = env->FindClass( "java/awt/ScrollPane" );
+    if(env->IsInstanceOf( parent, scrollpaneCls ) == JNI_TRUE)
+      return scrollPaneChildWidget( env, parent );
+  }
+
+  jmethodID getPeerMID = env->GetMethodID( parentCls,
+					   "getPeer",
+					   "()Ljava/awt/peer/ComponentPeer;" );
+  assert(getPeerMID);
+  return getNativeObject(env, env->CallObjectMethod( parent, getPeerMID, 0));
+}
+
+/*
+ * Creates a java.awt.Dimension object from a QSize.
+ */
+jobject makeDimension(JNIEnv *env, QSize *size)
+{
+  if( size == NULL )
+    return NULL;
+  if( size->isNull() || !size->isValid() )
+    return NULL;
+  jclass cls = env->FindClass("java/awt/Dimension");
+  jmethodID mid = env->GetMethodID(cls, "<init>", "(II)V");
+  jvalue values[2];
+  
+  values[0].i = (jint) size->width();
+  values[1].i = (jint) size->height();
+
+  return env->NewObjectA(cls, mid, values);
+}
+
+/*
+ * Creates a java.awt.Point object from a QPoint.
+ */
+jobject makePoint(JNIEnv *env, QPoint &p)
+{
+  jclass cls = env->FindClass("java/awt/Point");
+  jmethodID mid = env->GetMethodID(cls, "<init>", "(II)V");
+  jvalue values[2];
+  
+  values[0].i = (jint) p.x();
+  values[1].i = (jint) p.y();
+
+  return env->NewObjectA(cls, mid, values);
+}
+