/*
* Class: com_jogamp_newt_impl_windows_WindowsDisplay
* Method: RegisterWindowClass
* Signature: (Ljava/lang/String;J)I
*/
JNIEXPORT jint JNICALL Java_com_jogamp_newt_impl_windows_WindowsDisplay_RegisterWindowClass
(JNIEnv *env, jclass clazz, jstring wndClassName, jlong hInstance)
{
ATOM res;
WNDCLASS wc;
#ifndef UNICODE
const char* _wndClassName = NULL;
#endif
/* register class */
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)wndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
/* This cast is legal because the HMODULE for a DLL is the same as
its HINSTANCE -- see MSDN docs for DllMain */
wc.hInstance = (HINSTANCE) (intptr_t) hInstance;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, MAKEINTRESOURCE(IDC_ARROW));
wc.hbrBackground = GetStockObject(BLACK_BRUSH);
wc.lpszMenuName = NULL;
#ifdef UNICODE
wc.lpszClassName = NewtCommon_GetNullTerminatedStringChars(env, wndClassName);
#else
_wndClassName = (*env)->GetStringUTFChars(env, wndClassName, NULL);
wc.lpszClassName = strdup(_wndClassName);
(*env)->ReleaseStringUTFChars(env, wndClassName, _wndClassName);
#endif
res = RegisterClass(&wc);
free((void *)wc.lpszClassName);
return (jint)res;
}
/*
* Class: com_jogamp_newt_impl_windows_WindowsDisplay
* Method: LoadLibraryW
* Signature: (Ljava/lang/String;)J
*/
JNIEXPORT jlong JNICALL Java_com_jogamp_newt_impl_windows_WindowsDisplay_LoadLibraryW
(JNIEnv *env, jclass clazz, jstring dllName)
{
jchar* _dllName = NewtCommon_GetNullTerminatedStringChars(env, dllName);
HMODULE lib = LoadLibraryW(_dllName);
free(_dllName);
return (jlong) (intptr_t) lib;
}
/*
* Class: com_jogamp_newt_impl_windows_WindowsWindow
* Method: setTitle
* Signature: (JLjava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_setTitle
(JNIEnv *env, jclass clazz, jlong window, jstring title)
{
HWND hwnd = (HWND) (intptr_t) window;
if (title != NULL) {
jchar *titleString = NewtCommon_GetNullTerminatedStringChars(env, title);
if (titleString != NULL) {
SetWindowTextW(hwnd, titleString);
free(titleString);
}
}
}
/* Java->C glue code:
* Java package: jogamp.nativewindow.windows.GDIUtil
* Java method: long CreateDummyWindow0(long hInstance, java.lang.String className, java.lang.String windowName, int x, int y, int width, int height)
* C function: HANDLE CreateDummyWindow0(HANDLE hInstance, LPCSTR className, LPCSTR windowName, int x, int y, int width, int height);
*/
JNIEXPORT jlong JNICALL
Java_jogamp_nativewindow_windows_GDIUtil_CreateDummyWindow0
(JNIEnv *env, jclass _unused, jlong jHInstance, jstring jWndClassName, jstring jWndName, jint x, jint y, jint width, jint height)
{
HINSTANCE hInstance = (HINSTANCE) (intptr_t) jHInstance;
const TCHAR* wndClassName = NULL;
const TCHAR* wndName = NULL;
DWORD dwExStyle;
DWORD dwStyle;
HWND hWnd;
#ifdef UNICODE
wndClassName = NewtCommon_GetNullTerminatedStringChars(env, jWndClassName);
wndName = NewtCommon_GetNullTerminatedStringChars(env, jWndName);
#else
wndClassName = (*env)->GetStringUTFChars(env, jWndClassName, NULL);
wndName = (*env)->GetStringUTFChars(env, jWndName, NULL);
#endif
dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
dwStyle = WS_OVERLAPPEDWINDOW;
hWnd = CreateWindowEx( dwExStyle,
wndClassName,
wndName,
dwStyle | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
x, y, width, height,
NULL, NULL, hInstance, NULL );
#ifdef UNICODE
free((void*) wndClassName);
free((void*) wndName);
#else
(*env)->ReleaseStringUTFChars(env, jWndClassName, wndClassName);
(*env)->ReleaseStringUTFChars(env, jWndName, wndName);
#endif
return (jlong) (intptr_t) hWnd;
}
/* Java->C glue code:
* Java package: jogamp.nativewindow.windows.GDIUtil
* Java method: boolean CreateWindowClass(long hInstance, java.lang.String clazzName, long wndProc)
* C function: BOOL CreateWindowClass(HANDLE hInstance, LPCSTR clazzName, HANDLE wndProc);
*/
JNIEXPORT jboolean JNICALL
Java_jogamp_nativewindow_windows_GDIUtil_CreateWindowClass
(JNIEnv *env, jclass _unused, jlong jHInstance, jstring jClazzName, jlong wndProc)
{
HINSTANCE hInstance = (HINSTANCE) (intptr_t) jHInstance;
const TCHAR* clazzName = NULL;
WNDCLASS wc;
jboolean res;
#ifdef UNICODE
clazzName = NewtCommon_GetNullTerminatedStringChars(env, jClazzName);
#else
clazzName = (*env)->GetStringUTFChars(env, jClazzName, NULL);
#endif
ZeroMemory( &wc, sizeof( wc ) );
if( GetClassInfo( hInstance, clazzName, &wc ) ) {
// registered already
res = JNI_TRUE;
} else {
// register now
ZeroMemory( &wc, sizeof( wc ) );
wc.style = CS_HREDRAW | CS_VREDRAW ;
wc.lpfnWndProc = (WNDPROC) (intptr_t) wndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = LoadCursor( NULL, IDC_ARROW);
wc.hbrBackground = NULL; // no background paint - GetStockObject(BLACK_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = clazzName;
res = ( 0 != RegisterClass( &wc ) ) ? JNI_TRUE : JNI_FALSE ;
}
#ifdef UNICODE
free((void*) clazzName);
#else
(*env)->ReleaseStringUTFChars(env, jClazzName, clazzName);
#endif
return res;
}
/* Java->C glue code:
* Java package: jogamp.nativewindow.windows.GDIUtil
* Java method: boolean DestroyWindowClass(long hInstance, java.lang.String className)
* C function: BOOL DestroyWindowClass(HANDLE hInstance, LPCSTR className);
*/
JNIEXPORT jboolean JNICALL
Java_jogamp_nativewindow_windows_GDIUtil_DestroyWindowClass
(JNIEnv *env, jclass _unused, jlong jHInstance, jstring jClazzName)
{
HINSTANCE hInstance = (HINSTANCE) (intptr_t) jHInstance;
const TCHAR* clazzName = NULL;
jboolean res;
#ifdef UNICODE
clazzName = NewtCommon_GetNullTerminatedStringChars(env, jClazzName);
#else
clazzName = (*env)->GetStringUTFChars(env, jClazzName, NULL);
#endif
res = ( 0 != UnregisterClass( clazzName, hInstance ) ) ? JNI_TRUE : JNI_FALSE ;
#ifdef UNICODE
free((void*) clazzName);
#else
(*env)->ReleaseStringUTFChars(env, jClazzName, clazzName);
#endif
return res;
}
/*
* Class: com_jogamp_newt_impl_windows_WindowsWindow
* Method: CreateWindow
* Signature: (JILjava/lang/String;JJZIIII)J
*/
JNIEXPORT jlong JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_CreateWindow
(JNIEnv *env, jobject obj, jlong parent, jint wndClassAtom, jstring jWndName, jlong hInstance, jlong visualID,
jboolean bIsUndecorated,
jint jx, jint jy, jint defaultWidth, jint defaultHeight)
{
HWND parentWindow = (HWND) (intptr_t) parent;
const TCHAR* wndName = NULL;
DWORD windowStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE | WS_TABSTOP;
int x=(int)jx, y=(int)jy;
int width=(int)defaultWidth, height=(int)defaultHeight;
HWND window = NULL;
#ifdef UNICODE
wndName = NewtCommon_GetNullTerminatedStringChars(env, jWndName);
#else
wndName = (*env)->GetStringUTFChars(env, jWndName, NULL);
#endif
if(NULL!=parentWindow) {
if (!IsWindow(parentWindow)) {
DBG_PRINT("*** WindowsWindow: CreateWindow failure: Passed parentWindow %p is invalid\n", parentWindow);
return 0;
}
windowStyle |= WS_CHILD ;
} else if (bIsUndecorated) {
windowStyle |= WS_POPUP | WS_SYSMENU | WS_MAXIMIZEBOX | WS_MINIMIZEBOX;
} else {
windowStyle |= WS_OVERLAPPEDWINDOW;
x = CW_USEDEFAULT;
y = 0;
}
(void) visualID; // FIXME: use the visualID ..
window = CreateWindow(MAKEINTATOM(wndClassAtom), wndName, windowStyle,
x, y, width, height,
parentWindow, NULL,
(HINSTANCE) (intptr_t) hInstance,
NULL);
DBG_PRINT("*** WindowsWindow: CreateWindow parent %p, window %p, %d/%d %dx%d\n", parentWindow, window, x, y, width, height);
if (NULL == window) {
int lastError = (int) GetLastError();
DBG_PRINT("*** WindowsWindow: CreateWindow failure: 0x%X %d\n", lastError, lastError);
return 0;
} else {
WindowUserData * wud = (WindowUserData *) malloc(sizeof(WindowUserData));
wud->jinstance = (*env)->NewGlobalRef(env, obj);
wud->jenv = env;
#if defined(UNDER_CE) || _MSC_VER <= 1200
SetWindowLong(window, GWL_USERDATA, (intptr_t) wud);
#else
SetWindowLongPtr(window, GWLP_USERDATA, (intptr_t) wud);
#endif
UpdateInsets(env, window, obj);
ShowWindow(window, SW_SHOWNORMAL);
if(NULL!=parentWindow) {
NewtWindows_requestFocus ( window ); // request focus on this window, if not already ..
} /* else {
// top level already capable of receiving [keyboard] events
} */
}
#ifdef UNICODE
free((void*) wndName);
#else
(*env)->ReleaseStringUTFChars(env, jWndName, wndName);
#endif
return (jlong) (intptr_t) window;
}
