2004-06-12 16:28:34 -04:00
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/*
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* Copyright (c) 2002-2004 LWJGL Project
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2002-11-15 05:40:55 -05:00
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* All rights reserved.
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2004-06-12 16:28:34 -04:00
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*
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2002-11-15 05:40:55 -05:00
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* Redistribution and use in source and binary forms, with or without
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2004-06-12 16:28:34 -04:00
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* modification, are permitted provided that the following conditions are
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* met:
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2004-06-12 16:28:34 -04:00
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*
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* * Redistributions of source code must retain the above copyright
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2002-11-15 05:40:55 -05:00
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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2004-06-12 16:28:34 -04:00
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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2002-11-15 05:40:55 -05:00
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* from this software without specific prior written permission.
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2004-06-12 16:28:34 -04:00
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*
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2002-11-15 05:40:55 -05:00
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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2004-06-12 16:28:34 -04:00
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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2002-11-15 05:40:55 -05:00
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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2004-06-12 16:28:34 -04:00
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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2002-11-15 05:40:55 -05:00
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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2003-10-28 11:23:17 -05:00
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2002-11-15 05:40:55 -05:00
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/**
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* $Id$
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*
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2002-11-15 06:10:32 -05:00
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* Linux system library.
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*
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2002-11-15 06:10:32 -05:00
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* @author elias_naur <elias_naur@users.sourceforge.net>
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2002-11-15 05:40:55 -05:00
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* @version $Revision$
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*/
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2002-11-22 06:35:03 -05:00
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#include <sched.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include "org_lwjgl_Sys.h"
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#include "common_tools.h"
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2003-08-11 13:33:41 -04:00
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static long int hires_timer; // Hires timer current time
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2002-11-15 05:40:55 -05:00
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/*
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* Class: org_lwjgl_Sys
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* Method: getTimerResolution
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* Signature: ()J
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*/
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JNIEXPORT jlong JNICALL Java_org_lwjgl_Sys_getTimerResolution
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(JNIEnv * env, jclass clazz)
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{
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// Constant on linux
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return 1000000;
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}
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2003-08-11 13:33:41 -04:00
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static long queryTime(void) {
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struct timeval tv;
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if (gettimeofday(&tv, NULL) == -1) {
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printfDebug("Could not read current time\n");
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}
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long result = tv.tv_sec * 1000000l + tv.tv_usec;
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2002-11-25 23:58:29 -05:00
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2002-11-16 14:46:18 -05:00
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return result;
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}
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2003-12-20 17:03:25 -05:00
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JNIEXPORT void JNICALL Java_org_lwjgl_Sys_setDebug(JNIEnv *env, jclass clazz, jboolean enabled) {
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setDebugEnabled(enabled == JNI_TRUE ? true : false);
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}
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2002-11-15 05:40:55 -05:00
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/*
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* Class: org_lwjgl_Sys
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* Method: ngetTime
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2002-11-15 05:40:55 -05:00
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* Signature: ()J
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*/
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JNIEXPORT jlong JNICALL Java_org_lwjgl_Sys_ngetTime
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(JNIEnv * env, jclass clazz)
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{
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hires_timer = queryTime();
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return (jlong) hires_timer;
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}
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/*
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* Class: org_lwjgl_Sys
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* Method: setProcessPriority
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* Signature: (I)V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_Sys_setProcessPriority
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(JNIEnv * env, jclass clazz, jint priority)
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{
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int linux_priority;
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int max_pri, min_pri;
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struct sched_param sched_pri;
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2002-11-22 06:35:03 -05:00
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if (sched_getscheduler(0) != SCHED_OTHER) {
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// Reset scheduler to normal
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sched_pri.sched_priority = 0;
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if (sched_setscheduler(0, SCHED_OTHER, &sched_pri) != 0) {
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printfDebug("Could not set realtime priority\n");
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return;
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}
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}
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2002-11-15 05:40:55 -05:00
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switch (priority) {
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case org_lwjgl_Sys_REALTIME_PRIORITY:
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min_pri = sched_get_priority_min(SCHED_FIFO);
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max_pri = sched_get_priority_max(SCHED_FIFO);
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if (min_pri == -1 || max_pri == -1) {
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printfDebug("Failed to set realtime priority\n");
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return;
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}
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sched_pri.sched_priority = (max_pri + min_pri)/2;
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if (sched_setscheduler(0, SCHED_FIFO, &sched_pri) != 0) {
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printfDebug("Could not set realtime priority\n");
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2002-11-22 06:35:03 -05:00
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return;
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}
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return;
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case org_lwjgl_Sys_HIGH_PRIORITY:
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linux_priority = -20;
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break;
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case org_lwjgl_Sys_NORMAL_PRIORITY:
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linux_priority = 0;
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break;
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case org_lwjgl_Sys_LOW_PRIORITY:
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linux_priority = 20;
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break;
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default:
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return;
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}
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2002-11-16 15:10:42 -05:00
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if (setpriority(PRIO_PROCESS, 0, linux_priority) == -1) {
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2003-12-20 17:03:25 -05:00
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printfDebug("Failed to set priority.\n");
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2002-11-16 15:10:42 -05:00
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}
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2002-11-15 05:40:55 -05:00
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}
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2002-12-22 15:19:50 -05:00
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2004-02-27 04:54:37 -05:00
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JNIEXPORT void JNICALL Java_org_lwjgl_Sys_nAlert(JNIEnv * env, jclass clazz, jstring title, jstring message)
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{
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jboolean copy = JNI_FALSE;
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const char * eMessageText = env->GetStringUTFChars(message, ©);
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const char * cTitleBarText = env->GetStringUTFChars(title, ©);
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printf("*** Alert ***\n%s\n%s\n", cTitleBarText, eMessageText);
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env->ReleaseStringUTFChars(message, eMessageText);
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env->ReleaseStringUTFChars(title, cTitleBarText);
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}
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2003-10-28 11:23:17 -05:00
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2004-03-27 09:09:55 -05:00
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JNIEXPORT jstring JNICALL Java_org_lwjgl_Sys_getNativeLibraryVersion(JNIEnv *env, jclass clazz) {
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return getVersionString(env);
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}
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2003-10-28 11:23:17 -05:00
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/*
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* Class: org_lwjgl_Sys
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* Method: openURL
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* Signature: (Ljava/lang/String;)V
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*/
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2003-10-28 14:26:51 -05:00
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JNIEXPORT void JNICALL Java_org_lwjgl_Sys_nOpenURL
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(JNIEnv * env, jclass clazz, jstring url)
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{
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const char * urlString = env->GetStringUTFChars(url, NULL);
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printf("*** Please visit %s\n", urlString);
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env->ReleaseStringUTFChars(url, urlString);
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2003-11-22 14:20:05 -05:00
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}
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2004-08-11 11:37:40 -04:00
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/*
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* Class: org_lwjgl_Sys
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* Method: setClipboard
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* Signature: (Ljava/lang/String;)V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_Sys_setClipboard
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(JNIEnv * env, jclass clazz, jstring clipboard)
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{
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const char * urlString = env->GetStringUTFChars(clipboard, NULL);
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// TODO
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}
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/*
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* Class: org_lwjgl_Sys
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* Method: getClipboard
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* Signature: ()Ljava/lang/String;
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*/
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JNIEXPORT jstring JNICALL Java_org_lwjgl_Sys_getClipboard
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(JNIEnv * env, jclass clazz)
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{
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return NULL;
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}
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