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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
#include "swt.h"
#include "os_structs.h"
#define OS_NATIVE(func) Java_org_eclipse_swt_internal_win32_OS_##func
__declspec(dllexport) HRESULT DllGetVersion(DLLVERSIONINFO *dvi);
HRESULT DllGetVersion(DLLVERSIONINFO *dvi)
{
dvi->dwMajorVersion = SWT_VERSION / 1000;
dvi->dwMinorVersion = SWT_VERSION % 1000;
dvi->dwBuildNumber = SWT_BUILD_NUM;
dvi->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
return 1;
}
HINSTANCE g_hInstance = NULL;
BOOL WINAPI DllMain(HANDLE hInstDLL, DWORD dwReason, LPVOID lpvReserved)
{
if (dwReason == DLL_PROCESS_ATTACH) {
if (g_hInstance == NULL) g_hInstance = hInstDLL;
}
return TRUE;
}
#ifndef NO_GetLibraryHandle
JNIEXPORT jint JNICALL OS_NATIVE(GetLibraryHandle)
(JNIEnv *env, jclass that)
{
jint rc;
OS_NATIVE_ENTER(env, that, GetLibraryHandle_FUNC)
rc = (jint)g_hInstance;
OS_NATIVE_EXIT(env, that, GetLibraryHandle_FUNC)
return rc;
}
#endif
#ifndef NO_IsPPC
JNIEXPORT jboolean JNICALL OS_NATIVE(IsPPC)
(JNIEnv *env, jclass that)
{
jboolean rc;
OS_NATIVE_ENTER(env, that, IsPPC_FUNC)
#ifdef WIN32_PLATFORM_PSPC
rc = (jboolean)TRUE;
#else
rc = (jboolean)FALSE;
#endif
OS_NATIVE_EXIT(env, that, IsPPC_FUNC)
return rc;
}
#endif
#ifndef NO_IsSP
JNIEXPORT jboolean JNICALL OS_NATIVE(IsSP)
(JNIEnv *env, jclass that)
{
jboolean rc;
OS_NATIVE_ENTER(env, that, IsSP_FUNC)
#ifdef WIN32_PLATFORM_WFSP
rc = (jboolean)TRUE;
#else
rc = (jboolean)FALSE;
#endif
OS_NATIVE_EXIT(env, that, IsSP_FUNC)
return rc;
}
#endif
#ifndef NO_SendMessageW__II_3I_3I
JNIEXPORT jint JNICALL OS_NATIVE(SendMessageW__II_3I_3I)
(JNIEnv *env, jclass that, jint arg0, jint arg1, jintArray arg2, jintArray arg3)
{
jint *lparg2=NULL;
jint *lparg3=NULL;
jint rc;
OS_NATIVE_ENTER(env, that, SendMessageW__II_3I_3I_FUNC)
if (arg2) lparg2 = (*env)->GetIntArrayElements(env, arg2, NULL);
if (arg3) lparg3 = (*env)->GetIntArrayElements(env, arg3, NULL);
#ifdef _WIN32_WCE
/*
* Bug on WinCE. SendMessage can fail (return 0) when being passed references
* to parameters allocated from the heap. The workaround is to allocate
* the parameters on the stack and to copy them back to the java array.
* Observed on Pocket PC WinCE 3.0 with EM_GETSEL and CB_GETEDITSEL messages.
*/
switch (arg1) {
case EM_GETSEL:
case CB_GETEDITSEL: {
jint wParam = 0, lParam = 0;
jint *lpwParam = NULL, *lplParam = NULL;
if (lparg2 != NULL) lpwParam = &wParam;
if (lparg3 != NULL) lplParam = &lParam;
rc = (jint)SendMessageW((HWND)arg0, arg1, (WPARAM)lpwParam, (LPARAM)lplParam);
if (lparg2 != NULL) lparg2[0] = wParam;
if (lparg3 != NULL) lparg3[0] = lParam;
break;
}
default:
rc = (jint)SendMessageW((HWND)arg0, arg1, (WPARAM)lparg2, (LPARAM)lparg3);
}
#else
rc = (jint)SendMessageW((HWND)arg0, arg1, (WPARAM)lparg2, (LPARAM)lparg3);
#endif
if (arg2) (*env)->ReleaseIntArrayElements(env, arg2, lparg2, 0);
if (arg3) (*env)->ReleaseIntArrayElements(env, arg3, lparg3, 0);
OS_NATIVE_EXIT(env, that, SendMessageW__II_3I_3I_FUNC)
return rc;
}
#endif
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