bean/native/unix/com_sun_star_comp_beans_LocalOfficeWindow.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "sal/config.h"
  21
  22 #include <X11/Xlib.h>
  23 #include <X11/Xutil.h>
  24 #include <X11/Intrinsic.h>
  25
  26 #include "jni.h"
  27
  28 // Workaround for problematic IBM JDK 1.6.0 on ppc
  29 #ifndef _JNI_IMPORT_OR_EXPORT_
  30 #define _JNI_IMPORT_OR_EXPORT_
  31 #endif
  32
  33 #include "jawt_md.h"
  34 #include "jawt.h"
  35
  36 #include "sal/types.h"
  37
  38 #define SYSTEM_XWINDOW 6
  39
  40
  41 /* type must be something like java/lang/RuntimeException
  42  */
  43 static void ThrowException(JNIEnv * env, char const * type, char const * msg) {
  44     jclass c;
  45     (*env)->ExceptionClear(env);
  46     c = (*env)->FindClass(env, type);
  47     if (c == NULL) {
  48         (*env)->ExceptionClear(env);
  49         (*env)->FatalError(
  50             env, "JNI FindClass failed");
  51     }
  52     if ((*env)->ThrowNew(env, c, msg) != 0) {
  53         (*env)->ExceptionClear(env);
  54         (*env)->FatalError(env, "JNI ThrowNew failed");
  55     }
  56 }
  57
  58 /*****************************************************************************/
  59 /*
  60  * Class:     com_sun_star_comp_beans_LocalOfficeWindow
  61  * Method:    getNativeWindowSystemType
  62  * Signature: ()I
  63  */
  64 SAL_DLLPUBLIC_EXPORT jint JNICALL Java_com_sun_star_comp_beans_LocalOfficeWindow_getNativeWindowSystemType
  65   (JNIEnv * env, jobject obj_this)
  66 {
  67     (void) env; /* avoid warning about unused parameter */
  68     (void) obj_this; /* avoid warning about unused parameter */
  69     return (SYSTEM_XWINDOW);
  70 }
  71
  72
  73 /*****************************************************************************/
  74 /*
  75  * Class:     com_sun_star_beans_LocalOfficeWindow
  76  * Method:    getNativeWindow
  77  * Signature: ()J
  78  */
  79 SAL_DLLPUBLIC_EXPORT jlong JNICALL Java_com_sun_star_comp_beans_LocalOfficeWindow_getNativeWindow
  80   (JNIEnv * env, jobject obj_this)
  81 {
  82     jboolean result;
  83     jint lock;
  84
  85     JAWT awt;
  86     JAWT_DrawingSurface* ds;
  87     JAWT_DrawingSurfaceInfo* dsi;
  88     JAWT_X11DrawingSurfaceInfo* dsi_x11;
  89
  90     Drawable drawable;
  91
  92     /* Get the AWT */
  93     awt.version = JAWT_VERSION_1_3;
  94     result = JAWT_GetAWT(env, &awt);
  95     if (result == JNI_FALSE)
  96         ThrowException(env, "java/lang/RuntimeException", "JAWT_GetAWT failed");
  97
  98                                 /* Get the drawing surface */
  99     if ((ds = awt.GetDrawingSurface(env, obj_this)) == NULL)
 100         return 0L;
 101
 102     /* Lock the drawing surface */
 103     lock = ds->Lock(ds);
 104     if ( (lock & JAWT_LOCK_ERROR) != 0)
 105         ThrowException(env, "java/lang/RuntimeException",
 106                        "Could not get AWT drawing surface.");
 107
 108     /* Get the drawing surface info */
 109     dsi = ds->GetDrawingSurfaceInfo(ds);
 110
 111     /* Get the platform-specific drawing info */
 112     dsi_x11 = (JAWT_X11DrawingSurfaceInfo*)dsi->platformInfo;
 113
 114     drawable = dsi_x11->drawable;
 115
 116     /* Free the drawing surface info */
 117     ds->FreeDrawingSurfaceInfo(dsi);
 118     /* Unlock the drawing surface */
 119     ds->Unlock(ds);
 120     /* Free the drawing surface */
 121     awt.FreeDrawingSurface(ds);
 122
 123     return ((jlong)drawable);
 124 }
 125
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 136 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */