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FlatLaf/flatlaf-natives/flatlaf-natives-windows/src/main/cpp/Registry.cpp

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1.5 KiB
C++

/*
* Copyright 2021 FormDev Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <windows.h>
#include <winreg.h>
#include <winerror.h>
#include <jni.h>
#include "com_formdev_flatlaf_ui_FlatWindowsNativeWindowBorder.h"
/**
* @author Karl Tauber
*/
//---- JNI methods ------------------------------------------------------------
extern "C"
JNIEXPORT jint JNICALL Java_com_formdev_flatlaf_ui_FlatWindowsNativeWindowBorder_registryGetIntValue
( JNIEnv* env, jclass cls, jstring key, jstring valueName, jint defaultValue )
{
const char* skey = env->GetStringUTFChars( key, NULL );
const char* svalueName = env->GetStringUTFChars( valueName, NULL );
DWORD data = 0;
DWORD cbData = sizeof( data );
int rc = ::RegGetValueA( HKEY_CURRENT_USER, skey, svalueName, RRF_RT_DWORD, NULL, &data, &cbData );
env->ReleaseStringUTFChars( key, skey );
env->ReleaseStringUTFChars( valueName, svalueName );
return (rc == ERROR_SUCCESS) ? data : defaultValue;
}