1 files changed, 71 insertions, 0 deletions
diff --git a/plugins/windows/src/native/net_java_games_input_DummyWindow.c b/plugins/windows/src/native/net_java_games_input_DummyWindow.c
new file mode 100644
index 0000000..539e45c
--- /dev/null
+++ b/plugins/windows/src/native/net_java_games_input_DummyWindow.c
@@ -0,0 +1,71 @@
+/*
+ * %W% %E%
+ *
+ * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
+ * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ */
+
+#include <windows.h>
+#include <jni.h>
+#include "net_java_games_input_DummyWindow.h"
+#include "util.h"
+
+static const TCHAR* DUMMY_WINDOW_NAME = "JInputControllerWindow";
+
+static LRESULT CALLBACK DummyWndProc(
+    HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
+    return DefWindowProc(hWnd, message, wParam, lParam);
+}
+
+static BOOL RegisterDummyWindow(HINSTANCE hInstance)
+{
+	WNDCLASSEX wcex;
+	wcex.cbSize = sizeof(WNDCLASSEX); 
+	wcex.style			= CS_HREDRAW | CS_VREDRAW;
+	wcex.lpfnWndProc	= (WNDPROC)DummyWndProc;
+	wcex.cbClsExtra		= 0;
+	wcex.cbWndExtra		= 0;
+	wcex.hInstance		= hInstance;
+	wcex.hIcon			= NULL;
+	wcex.hCursor		= NULL;
+	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
+	wcex.lpszMenuName	= (LPCSTR)NULL;
+	wcex.lpszClassName	= DUMMY_WINDOW_NAME;
+	wcex.hIconSm		= NULL;
+	return RegisterClassEx(&wcex);
+}
+
+JNIEXPORT jlong JNICALL Java_net_java_games_input_DummyWindow_createWindow(JNIEnv *env, jclass unused) {
+    HINSTANCE hInst = GetModuleHandle(NULL);
+	HWND hwndDummy;
+	WNDCLASSEX class_info;
+	class_info.cbSize = sizeof(WNDCLASSEX);
+	class_info.cbClsExtra = 0;
+	class_info.cbWndExtra = 0;
+	
+	if (!GetClassInfoEx(hInst, DUMMY_WINDOW_NAME, &class_info)) {
+		// Register the dummy input window
+		if (!RegisterDummyWindow(hInst)) {
+			throwIOException(env, "Failed to register window class (%d)\n", GetLastError());
+			return 0;
+		}
+	}
+
+    // Create the dummy input window
+    hwndDummy = CreateWindow(DUMMY_WINDOW_NAME, NULL,
+        WS_POPUP | WS_ICONIC,
+        0, 0, 0, 0, NULL, NULL, hInst, NULL);
+    if (hwndDummy == NULL) {
+		throwIOException(env, "Failed to create window (%d)\n", GetLastError());
+        return 0;
+    }
+	return (jlong)hwndDummy;
+}
+
+JNIEXPORT void JNICALL Java_net_java_games_input_DummyWindow_nDestroy(JNIEnv *env, jclass unused, jlong hwnd_address) {
+	HWND hwndDummy = (HWND)(INT_PTR)hwnd_address;
+	BOOL result = DestroyWindow(hwndDummy);
+	if (!result) {
+		throwIOException(env, "Failed to destroy window (%d)\n", GetLastError());
+	}
+}