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-rw-r--r--src/nativewindow/native/win32/GDImisc.c226
1 files changed, 226 insertions, 0 deletions
diff --git a/src/nativewindow/native/win32/GDImisc.c b/src/nativewindow/native/win32/GDImisc.c
new file mode 100644
index 000000000..3ab7f9859
--- /dev/null
+++ b/src/nativewindow/native/win32/GDImisc.c
@@ -0,0 +1,226 @@
+#include <jni.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#undef WIN32_LEAN_AND_MEAN
+
+#include <wingdi.h>
+#include <stddef.h>
+
+#include <gluegen_stdint.h>
+
+#include <stdio.h>
+
+#include "NativewindowCommon.h"
+#include "jogamp_nativewindow_windows_GDIUtil.h"
+
+// #define VERBOSE_ON 1
+
+#ifdef VERBOSE_ON
+ #define DBG_PRINT(args...) fprintf(stderr, args);
+#else
+ #define DBG_PRINT(args...)
+#endif
+
+static const char * const ClazzNamePoint = "javax/media/nativewindow/util/Point";
+static const char * const ClazzAnyCstrName = "<init>";
+static const char * const ClazzNamePointCstrSignature = "(II)V";
+
+static jclass pointClz = NULL;
+static jmethodID pointCstr = NULL;
+
+HINSTANCE GetApplicationHandle() {
+ return GetModuleHandle(NULL);
+}
+
+/* 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;
+}
+
+
+/* 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;
+}
+
+
+/*
+ * Class: jogamp_nativewindow_windows_GDIUtil
+ * Method: initIDs0
+ * Signature: ()Z
+ */
+JNIEXPORT jboolean JNICALL Java_jogamp_nativewindow_windows_GDIUtil_initIDs0
+ (JNIEnv *env, jclass clazz)
+{
+ if(NativewindowCommon_init(env)) {
+ jclass c = (*env)->FindClass(env, ClazzNamePoint);
+ if(NULL==c) {
+ NativewindowCommon_FatalError(env, "FatalError jogamp_nativewindow_windows_GDIUtil: can't find %s", ClazzNamePoint);
+ }
+ pointClz = (jclass)(*env)->NewGlobalRef(env, c);
+ (*env)->DeleteLocalRef(env, c);
+ if(NULL==pointClz) {
+ NativewindowCommon_FatalError(env, "FatalError jogamp_nativewindow_windows_GDIUtil: can't use %s", ClazzNamePoint);
+ }
+ pointCstr = (*env)->GetMethodID(env, pointClz, ClazzAnyCstrName, ClazzNamePointCstrSignature);
+ if(NULL==pointCstr) {
+ NativewindowCommon_FatalError(env, "FatalError jogamp_nativewindow_windows_GDIUtil: 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: jogamp_nativewindow_windows_GDIUtil
+ * Method: getDummyWndProc0
+ * Signature: ()J
+ */
+JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_windows_GDIUtil_getDummyWndProc0
+ (JNIEnv *env, jclass clazz)
+{
+ return (jlong) (intptr_t) DummyWndProc;
+}
+
+/*
+ * Class: jogamp_nativewindow_windows_GDIUtil
+ * Method: GetRelativeLocation0
+ * Signature: (JJII)Ljavax/media/nativewindow/util/Point;
+ */
+JNIEXPORT jobject JNICALL Java_jogamp_nativewindow_windows_GDIUtil_GetRelativeLocation0
+ (JNIEnv *env, jclass unused, jlong jsrc_win, jlong jdest_win, jint src_x, jint src_y)
+{
+ HWND src_win = (HWND) (intptr_t) jsrc_win;
+ HWND dest_win = (HWND) (intptr_t) jdest_win;
+ POINT dest = { src_x, src_y } ;
+ int res;
+
+ res = MapWindowPoints(src_win, dest_win, &dest, 1);
+
+ DBG_PRINT("*** WindowsWindow: getRelativeLocation0: %p %d/%d -> %p %d/%d - ok: %d\n",
+ (void*)src_win, src_x, src_y, (void*)dest_win, (int)dest.x, (int)dest.y, res);
+
+ return (*env)->NewObject(env, pointClz, pointCstr, (jint)dest.x, (jint)dest.y);
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 21:08:00 +0000