| /* |
| * Copyright (c) 1995, 2014, 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. |
| */ |
| |
| #ifdef HEADLESS |
| #error This file should not be included in headless library |
| #endif |
| |
| #include "awt_p.h" |
| #include "color.h" |
| #include <X11/Xatom.h> |
| #include <X11/Xmd.h> |
| #include <X11/Xutil.h> |
| #include <X11/Xproto.h> |
| #include <jni.h> |
| #include <jni_util.h> |
| #include <sys/time.h> |
| |
| |
| #include "java_awt_event_MouseWheelEvent.h" |
| |
| /* |
| * Called by "ToolkitErrorHandler" function in "XlibWrapper.c" file. |
| */ |
| XErrorHandler current_native_xerror_handler = NULL; |
| |
| extern jint getModifiers(uint32_t state, jint button, jint keyCode); |
| extern jint getButton(uint32_t button); |
| |
| static Atom OLDecorDelAtom = 0; |
| static Atom MWMHints = 0; |
| static Atom DTWMHints = 0; |
| static Atom decor_list[9]; |
| |
| #ifndef MAX |
| #define MAX(a,b) ((a) > (b) ? (a) : (b)) |
| #endif |
| |
| #ifndef MIN |
| #define MIN(a,b) ((a) < (b) ? (a) : (b)) |
| #endif |
| |
| jboolean |
| awtJNI_ThreadYield(JNIEnv *env) { |
| |
| static jclass threadClass = NULL; |
| static jmethodID yieldMethodID = NULL; |
| |
| /* Initialize our java identifiers once. Checking before locking |
| * is a huge performance win. |
| */ |
| if (threadClass == NULL) { |
| // should enter a monitor here... |
| Boolean err = FALSE; |
| if (threadClass == NULL) { |
| jclass tc = (*env)->FindClass(env, "java/lang/Thread"); |
| CHECK_NULL_RETURN(tc, JNI_FALSE); |
| threadClass = (*env)->NewGlobalRef(env, tc); |
| (*env)->DeleteLocalRef(env, tc); |
| if (threadClass != NULL) { |
| yieldMethodID = (*env)->GetStaticMethodID(env, |
| threadClass, |
| "yield", |
| "()V" |
| ); |
| } |
| } |
| if (yieldMethodID == NULL) { |
| threadClass = NULL; |
| err = TRUE; |
| } |
| if (err) { |
| return JNI_FALSE; |
| } |
| } /* threadClass == NULL*/ |
| |
| (*env)->CallStaticVoidMethod(env, threadClass, yieldMethodID); |
| DASSERT(!((*env)->ExceptionOccurred(env))); |
| if ((*env)->ExceptionCheck(env)) { |
| return JNI_FALSE; |
| } |
| return JNI_TRUE; |
| } /* awtJNI_ThreadYield() */ |