| /* |
| * Copyright (c) 1995, 2005, 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. |
| */ |
| |
| /* |
| * Common AWT definitions |
| */ |
| |
| #ifndef _AWT_ |
| #define _AWT_ |
| |
| #include "jvm.h" |
| #include "jni_util.h" |
| #include "debug_util.h" |
| |
| #ifndef HEADLESS |
| #include <X11/Intrinsic.h> |
| #endif /* !HEADLESS */ |
| |
| |
| /* The JVM instance: defined in awt_MToolkit.c */ |
| extern JavaVM *jvm; |
| |
| extern jclass tkClass; |
| extern jmethodID awtLockMID; |
| extern jmethodID awtUnlockMID; |
| extern jmethodID awtWaitMID; |
| extern jmethodID awtNotifyMID; |
| extern jmethodID awtNotifyAllMID; |
| extern jboolean awtLockInited; |
| |
| /* Perform sanity and consistency checks on AWT locking */ |
| #ifdef DEBUG |
| #define DEBUG_AWT_LOCK |
| #endif |
| |
| /* |
| * The following locking primitives should be defined |
| * |
| #define AWT_LOCK() |
| #define AWT_NOFLUSH_UNLOCK() |
| #define AWT_WAIT(tm) |
| #define AWT_NOTIFY() |
| #define AWT_NOTIFY_ALL() |
| */ |
| |
| /* |
| * Convenience macros based on AWT_NOFLUSH_UNLOCK |
| */ |
| extern void awt_output_flush(); |
| #define AWT_UNLOCK() AWT_FLUSH_UNLOCK() |
| #define AWT_FLUSH_UNLOCK() do { \ |
| awt_output_flush(); \ |
| AWT_NOFLUSH_UNLOCK(); \ |
| } while (0) |
| |
| #define AWT_LOCK_IMPL() \ |
| (*env)->CallStaticVoidMethod(env, tkClass, awtLockMID) |
| #define AWT_NOFLUSH_UNLOCK_IMPL() \ |
| (*env)->CallStaticVoidMethod(env, tkClass, awtUnlockMID) |
| #define AWT_WAIT_IMPL(tm) \ |
| (*env)->CallStaticVoidMethod(env, tkClass, awtWaitMID, (jlong)(tm)) |
| #define AWT_NOTIFY_IMPL() \ |
| (*env)->CallStaticVoidMethod(env, tkClass, awtNotifyMID) |
| #define AWT_NOTIFY_ALL_IMPL() \ |
| (*env)->CallStaticVoidMethod(env, tkClass, awtNotifyAllMID) |
| |
| /* |
| * Unfortunately AWT_LOCK debugging does not work with XAWT due to mixed |
| * Java/C use of AWT lock. |
| */ |
| #if defined(DEBUG_AWT_LOCK) && !defined(XAWT) |
| extern int awt_locked; |
| extern char *lastF; |
| extern int lastL; |
| |
| #define AWT_LOCK() do { \ |
| if (!awtLockInited) { \ |
| jio_fprintf(stderr, "AWT lock error, awt_lock is null\n"); \ |
| } \ |
| if (awt_locked < 0) { \ |
| jio_fprintf(stderr, \ |
| "AWT lock error (%s,%d) (last held by %s,%d) %d\n", \ |
| __FILE__, __LINE__, lastF, lastL, awt_locked); \ |
| } \ |
| lastF = __FILE__; \ |
| lastL = __LINE__; \ |
| AWT_LOCK_IMPL(); \ |
| ++awt_locked; \ |
| } while (0) |
| |
| #define AWT_NOFLUSH_UNLOCK() do { \ |
| lastF = ""; \ |
| lastL = -1; \ |
| if (awt_locked < 1) { \ |
| jio_fprintf(stderr, "AWT unlock error (%s,%d,%d)\n", \ |
| __FILE__, __LINE__, awt_locked); \ |
| } \ |
| --awt_locked; \ |
| AWT_NOFLUSH_UNLOCK_IMPL(); \ |
| } while (0) |
| |
| #define AWT_WAIT(tm) do { \ |
| int old_lockcount = awt_locked; \ |
| if (awt_locked < 1) { \ |
| jio_fprintf(stderr, "AWT wait error (%s,%d,%d)\n", \ |
| __FILE__, __LINE__, awt_locked); \ |
| } \ |
| awt_locked = 0; \ |
| AWT_WAIT_IMPL(tm); \ |
| awt_locked = old_lockcount; \ |
| } while (0) |
| |
| #define AWT_NOTIFY() do { \ |
| if (awt_locked < 1) { \ |
| jio_fprintf(stderr, "AWT notify error (%s,%d,%d)\n", \ |
| __FILE__, __LINE__, awt_locked); \ |
| } \ |
| AWT_NOTIFY_IMPL(); \ |
| } while(0) |
| |
| #define AWT_NOTIFY_ALL() do { \ |
| if (awt_locked < 1) { \ |
| jio_fprintf(stderr, "AWT notify all error (%s,%d,%d)\n", \ |
| __FILE__, __LINE__, awt_locked); \ |
| } \ |
| AWT_NOTIFY_ALL_IMPL(); \ |
| } while (0) |
| |
| #else |
| |
| #define AWT_LOCK() AWT_LOCK_IMPL() |
| #define AWT_NOFLUSH_UNLOCK() AWT_NOFLUSH_UNLOCK_IMPL() |
| #define AWT_WAIT(tm) AWT_WAIT_IMPL(tm) |
| #define AWT_NOTIFY() AWT_NOTIFY_IMPL() |
| #define AWT_NOTIFY_ALL() AWT_NOTIFY_ALL_IMPL() |
| |
| #endif /* DEBUG_AWT_LOCK && !XAWT */ |
| |
| #ifndef HEADLESS |
| extern Display *awt_display; /* awt_GraphicsEnv.c */ |
| extern XtAppContext awt_appContext; /* awt_MToolkit.c */ |
| extern Widget awt_root_shell; |
| extern Pixel awt_defaultBg; |
| extern Pixel awt_defaultFg; |
| extern int awt_multiclick_time; /* awt_MToolkit.c */ |
| extern int awt_multiclick_smudge; /* canvas.c */ |
| extern unsigned int awt_MetaMask; /* awt_MToolkit.c */ |
| extern unsigned int awt_AltMask; |
| extern unsigned int awt_NumLockMask; |
| extern unsigned int awt_ModeSwitchMask; |
| extern Cursor awt_scrollCursor; /* awt_MToolkit.c */ |
| extern Boolean awt_ModLockIsShiftLock; |
| |
| #endif /* !HEADLESS */ |
| |
| #endif /* ! _AWT_ */ |
