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Java example source code file (awt_KeyboardFocusManager.cpp)
The awt_KeyboardFocusManager.cpp Java example source code/* * Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #include "awt.h" #include "awt_Component.h" #include "awt_Toolkit.h" #include <java_awt_KeyboardFocusManager.h> #include <jni.h> static jobject getNativeFocusState(JNIEnv *env, void*(*ftn)()) { jobject gFocusState = (jobject)AwtToolkit::GetInstance().SyncCall(ftn); if (gFocusState != NULL) { jobject lFocusState = env->NewLocalRef(gFocusState); env->DeleteGlobalRef(gFocusState); return lFocusState; } return NULL; } extern "C" { /* * Class: java_awt_KeyboardFocusManager * Method: initIDs * Signature: ()V */ JNIEXPORT void JNICALL Java_java_awt_KeyboardFocusManager_initIDs (JNIEnv *env, jclass cls) { } /* * Class: sun_awt_windows_WKeyboardFocusManagerPeer * Method: setNativeFocusOwner * Signature: (Lsun/awt/windows/WComponentPeer) */ JNIEXPORT void JNICALL Java_sun_awt_windows_WKeyboardFocusManagerPeer_setNativeFocusOwner (JNIEnv *env, jclass cls, jobject compPeer) { TRY; jobject peerGlobalRef = env->NewGlobalRef(compPeer); AwtToolkit::GetInstance().SyncCall(AwtComponent::SetNativeFocusOwner, (void*)peerGlobalRef); // peerGlobalRef is deleted in SetNativeFocusOwner CATCH_BAD_ALLOC; } /* * Class: sun_awt_windows_WKeyboardFocusManagerPeer * Method: getNativeFocusOwner * Signature: (Lsun/awt/windows/WComponentPeer) */ JNIEXPORT jobject JNICALL Java_sun_awt_windows_WKeyboardFocusManagerPeer_getNativeFocusOwner (JNIEnv *env, jclass cls) { TRY; return getNativeFocusState(env, AwtComponent::GetNativeFocusOwner); CATCH_BAD_ALLOC_RET(NULL); } /* * Class: sun_awt_windows_WKeyboardFocusManagerPeer * Method: getNativeFocusedWindow * Signature: ()Ljava/awt/Window; */ JNIEXPORT jobject JNICALL Java_sun_awt_windows_WKeyboardFocusManagerPeer_getNativeFocusedWindow (JNIEnv *env, jclass cls) { TRY; return getNativeFocusState(env, AwtComponent::GetNativeFocusedWindow); CATCH_BAD_ALLOC_RET(NULL); } } Other Java examples (source code examples)Here is a short list of links related to this Java awt_KeyboardFocusManager.cpp source code file: |
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