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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: nativeview.c,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
*************************************************************************/
#ifdef WNT
#include <windows.h>
// property name to register own window procedure on hwnd
#define OLD_PROC_KEY "oldwindowproc"
// signature of this window procedure
static LRESULT APIENTRY NativeViewWndProc( HWND , UINT , WPARAM , LPARAM );
#endif
#include "jawt.h"
#include "jawt_md.h"
#include "NativeView.h"
#define MY_ASSERT(X,S) if (!X) { fprintf(stderr,"%s\n",S); return 0L;}
#define SYSTEM_WIN32 1
#define SYSTEM_WIN16 2
#define SYSTEM_JAVA 3
#define SYSTEM_OS2 4
#define SYSTEM_MAC 5
#define SYSTEM_XWINDOW 6
/*****************************************************************************
*
* Class : NativeView
* Method : getNativeWindowSystemType
* Signature : ()I
* Description: returns an identifier for the current operating system
*/
JNIEXPORT jint JNICALL Java_embeddedobj_test_NativeView_getNativeWindowSystemType
(JNIEnv * env, jobject obj_this)
{
return (SYSTEM_WIN32);
}
/*****************************************************************************
*
* Class : NativeView
* Method : getNativeWindow
* Signature : ()J
* Description: returns the native systemw window handle of this object
*/
JNIEXPORT jlong JNICALL Java_embeddedobj_test_NativeView_getNativeWindow
(JNIEnv * env, jobject obj_this)
{
jboolean result ;
jint lock ;
JAWT awt ;
JAWT_DrawingSurface* ds ;
JAWT_DrawingSurfaceInfo* dsi ;
JAWT_Win32DrawingSurfaceInfo* dsi_win ;
jlong drawable;
#if 0
LONG hFuncPtr;
#endif
/* Get the AWT */
awt.version = JAWT_VERSION_1_3;
result = JAWT_GetAWT(env, &awt);
MY_ASSERT(result!=JNI_FALSE,"wrong jawt version");
/* Get the drawing surface */
if ((ds = awt.GetDrawingSurface(env, obj_this)) == NULL)
return 0L;
/* Lock the drawing surface */
lock = ds->Lock(ds);
MY_ASSERT((lock & JAWT_LOCK_ERROR)==0,"can't lock the drawing surface");
/* Get the drawing surface info */
dsi = ds->GetDrawingSurfaceInfo(ds);
/* Get the platform-specific drawing info */
#ifdef WNT
dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo;
drawable = (jlong)dsi_win->hwnd;
#else
dsi_x11 = (JAWT_X11DrawingSurfaceInfo*)dsi->platformInfo;
drawable = (jlong)dsi_x11->drawable;
#endif
/* Free the drawing surface info */
ds->FreeDrawingSurfaceInfo(dsi);
/* Unlock the drawing surface */
ds->Unlock(ds);
/* Free the drawing surface */
awt.FreeDrawingSurface(ds);
#if 0
/* Register own window procedure
Do it one times only! Otherwhise
multiple instances will be registered
and calls on such construct produce
a stack overflow.
*/
if (GetProp( (HWND)drawable, OLD_PROC_KEY )==0)
{
hFuncPtr = SetWindowLong( (HWND)drawable, GWL_WNDPROC, (DWORD)NativeViewWndProc );
SetProp( (HWND)drawable, OLD_PROC_KEY, (HANDLE)hFuncPtr );
}
#endif
return drawable;
}
#if 0
/*****************************************************************************
*
* Class : -
* Method : NativeViewWndProc
* Signature : -
* Description: registered window handler to intercept window messages between
* java and office process
*/
static LRESULT APIENTRY NativeViewWndProc(
HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
HANDLE hFuncPtr;
/* resize new created child window to fill out the java window complete */
if (uMsg==WM_PARENTNOTIFY)
{
if (wParam == WM_CREATE)
{
RECT rect;
HWND hChild = (HWND) lParam;
GetClientRect(hWnd, &rect);
SetWindowPos(hChild,
NULL,
rect.left,
rect.top,
rect.right - rect.left,
rect.bottom - rect.top,
SWP_NOZORDER);
}
}
/* handle normal resize events */
else if(uMsg==WM_SIZE)
{
WORD newHeight = HIWORD(lParam);
WORD newWidth = LOWORD(lParam);
HWND hChild = GetWindow(hWnd, GW_CHILD);
if (hChild != NULL)
SetWindowPos(hChild, NULL, 0, 0, newWidth, newHeight, SWP_NOZORDER);
}
/* forward request to original handler which is intercepted by this window procedure */
hFuncPtr = GetProp(hWnd, OLD_PROC_KEY);
MY_ASSERT(hFuncPtr,"lost original window proc handler");
return CallWindowProc( hFuncPtr, hWnd, uMsg, wParam, lParam);
}
#endif
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