--- /dev/null 2015-04-26 06:51:08.003313989 -0700 +++ new/jdk/src/jdk.internal.le/windows/native/lible/WindowsTerminal.cpp 2015-07-02 08:21:50.822789825 -0700 @@ -0,0 +1,127 @@ +/* + * Copyright (c) 2015, 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 "jni.h" +#include "jni_util.h" +#include "jvm.h" +#include "jdk_internal_jline_WindowsTerminal.h" + +#include +#include +#include + +static jclass recordClass; +static jmethodID recordConstructor; + +JNIEXPORT void JNICALL Java_jdk_internal_jline_WindowsTerminal_initIDs + (JNIEnv *env, jclass) { + jclass cls = env->FindClass("jdk/internal/jline/WindowsTerminal$KEY_EVENT_RECORD"); + CHECK_NULL(cls); + recordClass = (jclass) env->NewGlobalRef(cls); + CHECK_NULL(recordClass); + recordConstructor = env->GetMethodID(cls, "", "(ZCIII)V"); + CHECK_NULL(recordConstructor); +} + +JNIEXPORT jint JNICALL Java_jdk_internal_jline_WindowsTerminal_getConsoleMode + (JNIEnv *, jobject) { + HANDLE hStdIn; + if ((hStdIn = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) { + return -1; + } + DWORD fdwMode; + if (! GetConsoleMode(hStdIn, &fdwMode)) { + return -1; + } + return fdwMode; +} + +JNIEXPORT void JNICALL Java_jdk_internal_jline_WindowsTerminal_setConsoleMode + (JNIEnv *, jobject, jint mode) { + HANDLE hStdIn; + if ((hStdIn = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) { + return ; + } + DWORD fdwMode = mode; + SetConsoleMode(hStdIn, fdwMode); +} + +JNIEXPORT jobject JNICALL Java_jdk_internal_jline_WindowsTerminal_readKeyEvent + (JNIEnv *env, jobject) { + HANDLE hStdIn; + if ((hStdIn = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) { + return NULL; + } + INPUT_RECORD record; + DWORD n; + while (TRUE) { + if (ReadConsoleInput(hStdIn, &record, 1, &n) == 0) { + return NULL; + } + if (record.EventType == KEY_EVENT) { + jclass clazz = env->FindClass("jdk/internal/jline/WindowsTerminal$KEY_EVENT_RECORD"); + jmethodID constr = env->GetMethodID(clazz, "", "(ZCIII)V"); + return env->NewObject(recordClass, + recordConstructor, + record.Event.KeyEvent.bKeyDown, + record.Event.KeyEvent.uChar.UnicodeChar, + record.Event.KeyEvent.dwControlKeyState, + record.Event.KeyEvent.wVirtualKeyCode, + record.Event.KeyEvent.wRepeatCount); + } + continue; + } +} + +JNIEXPORT jint JNICALL Java_jdk_internal_jline_WindowsTerminal_getConsoleOutputCodepage + (JNIEnv *, jobject) { + return GetConsoleCP(); +} + +JNIEXPORT jint JNICALL Java_jdk_internal_jline_WindowsTerminal_getWindowsTerminalWidth + (JNIEnv *, jobject) { + HANDLE hStdIn; + if ((hStdIn = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) { + return -1; + } + CONSOLE_SCREEN_BUFFER_INFO info; + if (! GetConsoleScreenBufferInfo(hStdIn, &info)) { + return -1; + } + return info.dwSize.X; +} + +JNIEXPORT jint JNICALL Java_jdk_internal_jline_WindowsTerminal_getWindowsTerminalHeight + (JNIEnv *, jobject) { + HANDLE hStdIn; + if ((hStdIn = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) { + return -1; + } + CONSOLE_SCREEN_BUFFER_INFO info; + if (! GetConsoleScreenBufferInfo(hStdIn, &info)) { + return -1; + } + return info.dwSize.Y; +}