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/*
* $RCSfile$
*
* Copyright (c) 2004 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision$
* $Date$
* $State$
*/
#include "StdAfx.h"
#ifdef STRICT
typedef WNDPROC PROC_TYPE;
#else
typedef FARPROC PROC_TYPE;
#endif
static PROC_TYPE g_lpDefWindowProcChild;
static long oldWindowHandle = 0;
extern "C" JNIEXPORT
void JNICALL Java_javax_media_j3d_NativeWSInfo_subclass(
JNIEnv * env,
jobject obj,
jint hwnd)
{
// For some reason, setting the callback before
// setCooperative level will cause setCooperative level
// to hang when start in fullscreen mode
// So we delay it later.
}
// Handle child move request
static LRESULT CALLBACK canvas3dWndProcChild(
HWND hwnd,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
/*
switch (message) {
case WM_NCPAINT:
// handle switch mode from 256 back to >= 16 bits color mode
DWORD status;
if (hSema != NULL) {
status = WaitForSingleObject(hSema, 0);
if (status == WAIT_OBJECT_0) {
// This prevent deadlock, otherwise the window event
// thread will hangs if lock already acquired
// during window resize/toggle.
D3dCtx *ctx = findCtx(hwnd);
if (ctx != NULL) {
ctx->retryRestoreSurface = true;
}
unlock();
}
}
break;
}
*/
return CallWindowProc(g_lpDefWindowProcChild, hwnd, message,
wParam, lParam);
}
VOID setWindowCallback(HWND topHwnd, HWND hwnd)
{
// For some reasons, setting proc for the same handle
// will crash the application. So we work around this
// by checking the old window handle before setting the
// new one.
// long newWindowHandle;
/*
if (oldWindowHandle == 0) {
oldWindowHandle = GetWindowLong((HWND) hwnd, GWL_WNDPROC);
}
newWindowHandle = GetWindowLong((HWND) hwnd, GWL_WNDPROC);
if (newWindowHandle == oldWindowHandle) {
g_lpDefWindowProcChild = (PROC_TYPE)
SetWindowLong((HWND) hwnd, GWL_WNDPROC,
(LONG) canvas3dWndProcChild);
}
*/
}
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