200 lines
6.5 KiB
C
200 lines
6.5 KiB
C
/*************************************************************************
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*
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* $RCSfile: nativeview.c,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: kz $ $Date: 2004-10-04 19:58:10 $
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*
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* The Contents of this file are made available subject to the terms of
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* the BSD license.
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*
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* Copyright (c) 2003 by Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*************************************************************************/
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#ifdef WNT
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#include <windows.h>
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// property name to register own window procedure on hwnd
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#define OLD_PROC_KEY "oldwindowproc"
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// signature of this window procedure
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static LRESULT APIENTRY NativeViewWndProc( HWND , UINT , WPARAM , LPARAM );
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#endif
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#include "jawt.h"
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#include "jawt_md.h"
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#include "NativeView.h"
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#define MY_ASSERT(X,S) if (!X) { fprintf(stderr,"%s\n",S); return 0L;}
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#define SYSTEM_WIN32 1
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#define SYSTEM_WIN16 2
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#define SYSTEM_JAVA 3
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#define SYSTEM_OS2 4
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#define SYSTEM_MAC 5
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#define SYSTEM_XWINDOW 6
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/*****************************************************************************
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*
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* Class : NativeView
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* Method : getNativeWindowSystemType
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* Signature : ()I
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* Description: returns an identifier for the current operating system
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*/
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JNIEXPORT jint JNICALL Java_embeddedobj_test_NativeView_getNativeWindowSystemType
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(JNIEnv * env, jobject obj_this)
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{
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return (SYSTEM_WIN32);
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}
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/*****************************************************************************
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*
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* Class : NativeView
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* Method : getNativeWindow
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* Signature : ()J
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* Description: returns the native systemw window handle of this object
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*/
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JNIEXPORT jlong JNICALL Java_embeddedobj_test_NativeView_getNativeWindow
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(JNIEnv * env, jobject obj_this)
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{
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jboolean result ;
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jint lock ;
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JAWT awt ;
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JAWT_DrawingSurface* ds ;
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JAWT_DrawingSurfaceInfo* dsi ;
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JAWT_Win32DrawingSurfaceInfo* dsi_win ;
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jlong drawable;
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#if 0
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LONG hFuncPtr;
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#endif
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/* Get the AWT */
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awt.version = JAWT_VERSION_1_3;
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result = JAWT_GetAWT(env, &awt);
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MY_ASSERT(result!=JNI_FALSE,"wrong jawt version");
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/* Get the drawing surface */
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if ((ds = awt.GetDrawingSurface(env, obj_this)) == NULL)
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return 0L;
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/* Lock the drawing surface */
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lock = ds->Lock(ds);
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MY_ASSERT((lock & JAWT_LOCK_ERROR)==0,"can't lock the drawing surface");
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/* Get the drawing surface info */
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dsi = ds->GetDrawingSurfaceInfo(ds);
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/* Get the platform-specific drawing info */
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#ifdef WNT
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dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo;
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drawable = (jlong)dsi_win->hwnd;
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#else
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dsi_x11 = (JAWT_X11DrawingSurfaceInfo*)dsi->platformInfo;
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drawable = (jlong)dsi_x11->drawable;
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#endif
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/* Free the drawing surface info */
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ds->FreeDrawingSurfaceInfo(dsi);
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/* Unlock the drawing surface */
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ds->Unlock(ds);
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/* Free the drawing surface */
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awt.FreeDrawingSurface(ds);
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#if 0
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/* Register own window procedure
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Do it one times only! Otherwhise
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multiple instances will be registered
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and calls on such construct produce
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a stack overflow.
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*/
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if (GetProp( (HWND)drawable, OLD_PROC_KEY )==0)
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{
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hFuncPtr = SetWindowLong( (HWND)drawable, GWL_WNDPROC, (DWORD)NativeViewWndProc );
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SetProp( (HWND)drawable, OLD_PROC_KEY, (HANDLE)hFuncPtr );
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}
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#endif
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return drawable;
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}
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#if 0
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/*****************************************************************************
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*
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* Class : -
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* Method : NativeViewWndProc
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* Signature : -
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* Description: registered window handler to intercept window messages between
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* java and office process
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*/
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static LRESULT APIENTRY NativeViewWndProc(
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HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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HANDLE hFuncPtr;
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/* resize new created child window to fill out the java window complete */
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if (uMsg==WM_PARENTNOTIFY)
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{
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if (wParam == WM_CREATE)
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{
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RECT rect;
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HWND hChild = (HWND) lParam;
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GetClientRect(hWnd, &rect);
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SetWindowPos(hChild,
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NULL,
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rect.left,
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rect.top,
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rect.right - rect.left,
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rect.bottom - rect.top,
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SWP_NOZORDER);
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}
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}
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/* handle normal resize events */
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else if(uMsg==WM_SIZE)
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{
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WORD newHeight = HIWORD(lParam);
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WORD newWidth = LOWORD(lParam);
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HWND hChild = GetWindow(hWnd, GW_CHILD);
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if (hChild != NULL)
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SetWindowPos(hChild, NULL, 0, 0, newWidth, newHeight, SWP_NOZORDER);
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}
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/* forward request to original handler which is intercepted by this window procedure */
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hFuncPtr = GetProp(hWnd, OLD_PROC_KEY);
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MY_ASSERT(hFuncPtr,"lost original window proc handler");
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return CallWindowProc( hFuncPtr, hWnd, uMsg, wParam, lParam);
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}
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#endif
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