1 files changed, 54 insertions, 0 deletions
diff --git a/qtjambiawtbridge.cpp b/qtjambiawtbridge.cpp
new file mode 100644
index 0000000..3f3bb81
--- /dev/null
+++ b/qtjambiawtbridge.cpp
@@ -0,0 +1,54 @@
+#include <qtjambi_core.h>
+
+#include <QtGui/QWidget>
+
+#include <jni.h>
+
+const char *qtjambi_awt_title = "Qt Jambi / AWT";
+
+extern "C" JNIEXPORT jobject JNICALL Java_com_trolltech_research_qtjambiawtbridge_QtJambiAwtBridge_getEmbeddedFrame
+(JNIEnv *env, jclass, jlong widgetNativeId)
+{
+#ifdef Q_OS_WIN32
+    const char *embeddedFramePackageName = "sun/awt/windows/";
+    const char *embeddedFrameClassName = "WEmbeddedFrame";
+#else
+    const char *embeddedFramePackageName = "sun/awt/X11/";
+    const char *embeddedFrameClassName = "XEmbeddedFrame";
+#endif
+
+    QWidget *widget = reinterpret_cast<QWidget *>(qtjambi_from_jlong(widgetNativeId));
+    if (widget == 0) {
+        qWarning("%s [%s:%d]: Component host widget has been deleted\n", qtjambi_awt_title, __FILE__, __LINE__);
+        return 0;
+    }
+
+    jclass embeddedFrameClass = resolveClass(env, embeddedFrameClassName, embeddedFramePackageName);
+    if (embeddedFrameClass == 0) {
+        qWarning("%s [%s:%d]: Embedded frame class '%s%s' not found\n",
+            qtjambi_awt_title, __FILE__, __LINE__, embeddedFramePackageName, embeddedFrameClassName);
+        return 0;
+    }
+
+    jmethodID constructor = resolveMethod(env, "<init>", "(I)V",
+                                          embeddedFrameClassName,
+                                          embeddedFramePackageName);
+    // Different constructors on different JREs.
+    if (constructor == 0) {
+        env->ExceptionClear();
+        constructor = resolveMethod(env, "<init>", "(J)V",
+                                    embeddedFrameClassName,
+                                    embeddedFramePackageName);
+    }
+
+    if (constructor == 0) {
+        qWarning("%s [%s:%d]: Cannot find constructor in embedded frame class\n", qtjambi_awt_title, __FILE__, __LINE__);
+        return 0;
+    }
+
+    WId windowId = widget->winId();
+
+    return env->NewObject(embeddedFrameClass, constructor, windowId);
+}
+
+