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-rw-r--r--src/nativewindow/native/windows/GDImisc.c185
1 files changed, 136 insertions, 49 deletions
diff --git a/src/nativewindow/native/windows/GDImisc.c b/src/nativewindow/native/windows/GDImisc.c
index 0de40cf50..798edcbbf 100644
--- a/src/nativewindow/native/windows/GDImisc.c
+++ b/src/nativewindow/native/windows/GDImisc.c
@@ -29,6 +29,7 @@
#include <stdio.h>
+#include "NativewindowCommon.h"
#include "com_jogamp_nativewindow_impl_windows_GDI.h"
// #define VERBOSE_ON 1
@@ -39,19 +40,6 @@
#define DBG_PRINT(args...)
#endif
-static void _FatalError(JNIEnv *env, const char* msg, ...)
-{
- char buffer[512];
- va_list ap;
-
- va_start(ap, msg);
- vsnprintf(buffer, sizeof(buffer), msg, ap);
- va_end(ap);
-
- fprintf(stderr, "%s\n", buffer);
- (*env)->FatalError(env, buffer);
-}
-
static const char * const ClazzNamePoint = "javax/media/nativewindow/util/Point";
static const char * const ClazzAnyCstrName = "<init>";
static const char * const ClazzNamePointCstrSignature = "(II)V";
@@ -59,52 +47,136 @@ static const char * const ClazzNamePointCstrSignature = "(II)V";
static jclass pointClz = NULL;
static jmethodID pointCstr = NULL;
-#define NATIVEWINDOW_DUMMY_WINDOW_NAME "__nativewindow_dummy_window"
-static ATOM nativewindowClass = 0;
-static HINSTANCE nativeHInstance = NULL;
-
-LRESULT CALLBACK DummyWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
- return DefWindowProc(hWnd,uMsg,wParam,lParam);
+HINSTANCE GetApplicationHandle() {
+ return GetModuleHandle(NULL);
}
-HWND CreateDummyWindow0(int x, int y, int width, int height ) {
- DWORD dwExStyle;
- DWORD dwStyle;
- HWND hWnd;
- HINSTANCE hInstance = GetModuleHandle(NULL);
- if( nativeHInstance != hInstance || 0 == nativewindowClass ) {
- nativeHInstance=hInstance;
- WNDCLASS wc;
+/* Java->C glue code:
+ * Java package: com.jogamp.nativewindow.impl.windows.GDI
+ * 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_com_jogamp_nativewindow_impl_windows_GDI_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 | CS_OWNDC;
- wc.lpfnWndProc = (WNDPROC) DummyWndProc;
+ 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 = NULL;
- wc.hbrBackground = NULL;
+ wc.hCursor = LoadCursor( NULL, IDC_ARROW);
+ wc.hbrBackground = NULL; // no background paint - GetStockObject(BLACK_BRUSH);
wc.lpszMenuName = NULL;
- wc.lpszClassName = NATIVEWINDOW_DUMMY_WINDOW_NAME;
- if( !(nativewindowClass = RegisterClass( &wc )) ) {
- fprintf(stderr, "FatalError com_jogamp_nativewindow_impl_windows_GDI: RegisterClass Failed: %d\n", GetLastError() );
- return( 0 );
- }
+ 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: com.jogamp.nativewindow.impl.windows.GDI
+ * Java method: boolean DestroyWindowClass(long hInstance, java.lang.String className)
+ * C function: BOOL DestroyWindowClass(HANDLE hInstance, LPCSTR className);
+ */
+JNIEXPORT jboolean JNICALL
+Java_com_jogamp_nativewindow_impl_windows_GDI_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;
+}
+
+
+/* Java->C glue code:
+ * Java package: com.jogamp.nativewindow.impl.windows.GDI
+ * 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_com_jogamp_nativewindow_impl_windows_GDI_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;
- if( !(hWnd=CreateWindowEx( dwExStyle,
- NATIVEWINDOW_DUMMY_WINDOW_NAME,
- NATIVEWINDOW_DUMMY_WINDOW_NAME,
- dwStyle | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
- x, y, width, height,
- NULL, NULL, hInstance, NULL ) ) ) {
- return( 0 );
- }
- return( hWnd );
+
+ 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;
}
+
/*
* Class: com_jogamp_nativewindow_impl_windows_GDI
* Method: initIDs0
@@ -113,25 +185,40 @@ HWND CreateDummyWindow0(int x, int y, int width, int height ) {
JNIEXPORT jboolean JNICALL Java_com_jogamp_nativewindow_impl_windows_GDI_initIDs0
(JNIEnv *env, jclass clazz)
{
- if(NULL==pointClz) {
+ if(NativewindowCommon_init(env)) {
jclass c = (*env)->FindClass(env, ClazzNamePoint);
if(NULL==c) {
- _FatalError(env, "FatalError com_jogamp_nativewindow_impl_windows_GDI: can't find %s", ClazzNamePoint);
+ NativewindowCommon_FatalError(env, "FatalError com_jogamp_nativewindow_impl_windows_GDI: can't find %s", ClazzNamePoint);
}
pointClz = (jclass)(*env)->NewGlobalRef(env, c);
(*env)->DeleteLocalRef(env, c);
if(NULL==pointClz) {
- _FatalError(env, "FatalError com_jogamp_nativewindow_impl_windows_GDI: can't use %s", ClazzNamePoint);
+ NativewindowCommon_FatalError(env, "FatalError com_jogamp_nativewindow_impl_windows_GDI: can't use %s", ClazzNamePoint);
}
pointCstr = (*env)->GetMethodID(env, pointClz, ClazzAnyCstrName, ClazzNamePointCstrSignature);
if(NULL==pointCstr) {
- _FatalError(env, "FatalError com_jogamp_nativewindow_impl_windows_GDI: can't fetch %s.%s %s",
+ NativewindowCommon_FatalError(env, "FatalError com_jogamp_nativewindow_impl_windows_GDI: can't fetch %s.%s %s",
ClazzNamePoint, ClazzAnyCstrName, ClazzNamePointCstrSignature);
}
}
return JNI_TRUE;
}
+LRESULT CALLBACK DummyWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
+ return DefWindowProc(hWnd,uMsg,wParam,lParam);
+}
+
+/*
+ * Class: com_jogamp_nativewindow_impl_windows_GDI
+ * Method: getDummyWndProc0
+ * Signature: ()J
+ */
+JNIEXPORT jlong JNICALL Java_com_jogamp_nativewindow_impl_windows_GDI_getDummyWndProc0
+ (JNIEnv *env, jclass clazz)
+{
+ return (jlong) (intptr_t) DummyWndProc;
+}
+
/*
* Class: com_jogamp_nativewindow_impl_windows_GDI
* Method: GetRelativeLocation0
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 01:56:24 +0000