212 lines
6.1 KiB
C
212 lines
6.1 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#if defined _MSC_VER
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#pragma warning(push, 1)
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#endif
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#include <windows.h>
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#if defined _MSC_VER
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#pragma warning(pop)
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#endif
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#include <windows.h>
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#define JAWT_GetAWT hidden_JAWT_GetAWT
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#include "jawt.h"
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#undef JAWT_GetAWT
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#if defined _MSC_VER
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#pragma warning(push, 1)
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#endif
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/* When cross-compiling to Windows we don't have any Windows JDK
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* available. Copying this short snippet from win32/jawt_md.h can
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* surely not be against its license. The intent is to enable
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* interoperation with real Oracle Java after all. We leave out the
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* informative comments that might have "artistic merit" and be more
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* copyrightable. Use this also for native Windows compilation for
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* simplicity.
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*/
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typedef struct jawt_Win32DrawingSurfaceInfo {
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union {
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HWND hwnd;
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HBITMAP hbitmap;
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void* pbits;
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};
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HDC hdc;
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HPALETTE hpalette;
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} JAWT_Win32DrawingSurfaceInfo;
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extern __declspec(dllimport) unsigned char __stdcall JAWT_GetAWT(JNIEnv *, JAWT *);
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#if defined _MSC_VER
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#pragma warning(pop)
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#endif
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#define SYSTEM_WIN32 1
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#define OLD_PROC_KEY "oldwindowproc"
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static LRESULT APIENTRY OpenOfficeWndProc( HWND , UINT , WPARAM , LPARAM );
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/* type must be something like java/lang/RuntimeException
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*/
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static void ThrowException(JNIEnv * env, char const * type, char const * msg) {
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jclass c;
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(*env)->ExceptionClear(env);
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c = (*env)->FindClass(env, type);
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if (c == NULL) {
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(*env)->ExceptionClear(env);
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(*env)->FatalError(
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env, "JNI FindClass failed");
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}
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if ((*env)->ThrowNew(env, c, msg) != 0) {
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(*env)->ExceptionClear(env);
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(*env)->FatalError(env, "JNI ThrowNew failed");
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}
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}
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/*****************************************************************************/
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/*
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* Class: com_sun_star_comp_beans_LocalOfficeWindow
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* Method: getNativeWindowSystemType
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* Signature: ()I
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*/
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JNIEXPORT jint JNICALL Java_com_sun_star_comp_beans_LocalOfficeWindow_getNativeWindowSystemType
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(JNIEnv * env, jobject obj_this)
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{
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(void) env; // unused
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(void) obj_this; // unused
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return (SYSTEM_WIN32);
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}
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/*****************************************************************************/
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/*
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* Class: com_sun_star_comp_beans_LocalOfficeWindow
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* Method: getNativeWindow
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* Signature: ()J
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*/
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JNIEXPORT jlong JNICALL Java_com_sun_star_comp_beans_LocalOfficeWindow_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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HWND hWnd;
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LONG hFuncPtr;
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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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if (result == JNI_FALSE)
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ThrowException(env, "java/lang/RuntimeException", "JAWT_GetAWT failed");
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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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if ( (lock & JAWT_LOCK_ERROR) != 0)
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ThrowException(env, "java/lang/RuntimeException",
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"Could not get AWT 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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dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo;
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hWnd = dsi_win->hwnd;
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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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/* 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, OLD_PROC_KEY )==0)
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{
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hFuncPtr = SetWindowLongPtr( hWnd, GWLP_WNDPROC, (LONG_PTR)OpenOfficeWndProc );
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SetProp( hWnd, OLD_PROC_KEY, (HANDLE)hFuncPtr );
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}
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return ((jlong)(LONG)hWnd);
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}
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static LRESULT APIENTRY OpenOfficeWndProc(
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HWND hWnd,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam)
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{
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switch(uMsg)
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{
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case WM_PARENTNOTIFY: {
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if (wParam == WM_CREATE) {
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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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break;
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}
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case WM_SIZE: {
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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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break;
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}
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}
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#if defined _MSC_VER
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#pragma warning(push)
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#pragma warning(disable: 4152) /* function/data pointer conversion: */
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#endif
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return CallWindowProc(GetProp(hWnd, OLD_PROC_KEY),
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hWnd, uMsg, wParam, lParam);
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#if defined _MSC_VER
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#pragma warning(pop)
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#endif
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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