1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifdef WNT 25 26 #include <windows.h> 27 // property name to register own window procedure on hwnd 28 #define OLD_PROC_KEY "oldwindowproc" 29 // signature of this window procedure 30 static LRESULT APIENTRY NativeViewWndProc( HWND , UINT , WPARAM , LPARAM ); 31 32 #endif 33 34 #include "jawt.h" 35 #include "jawt_md.h" 36 #include "NativeView.h" 37 38 #define MY_ASSERT(X,S) if (!X) { fprintf(stderr,"%s\n",S); return 0L;} 39 40 #define SYSTEM_WIN32 1 41 #define SYSTEM_WIN16 2 42 #define SYSTEM_JAVA 3 43 #define SYSTEM_OS2 4 44 #define SYSTEM_MAC 5 45 #define SYSTEM_XWINDOW 6 46 47 /***************************************************************************** 48 * 49 * Class : NativeView 50 * Method : getNativeWindowSystemType 51 * Signature : ()I 52 * Description: returns an identifier for the current operating system 53 */ 54 JNIEXPORT jint JNICALL Java_embeddedobj_test_NativeView_getNativeWindowSystemType 55 (JNIEnv * env, jobject obj_this) 56 { 57 return (SYSTEM_WIN32); 58 } 59 60 /***************************************************************************** 61 * 62 * Class : NativeView 63 * Method : getNativeWindow 64 * Signature : ()J 65 * Description: returns the native systemw window handle of this object 66 */ 67 JNIEXPORT jlong JNICALL Java_embeddedobj_test_NativeView_getNativeWindow 68 (JNIEnv * env, jobject obj_this) 69 { 70 jboolean result ; 71 jint lock ; 72 JAWT awt ; 73 JAWT_DrawingSurface* ds ; 74 JAWT_DrawingSurfaceInfo* dsi ; 75 JAWT_Win32DrawingSurfaceInfo* dsi_win ; 76 jlong drawable; 77 78 #if 0 79 LONG hFuncPtr; 80 #endif 81 82 /* Get the AWT */ 83 awt.version = JAWT_VERSION_1_3; 84 result = JAWT_GetAWT(env, &awt); 85 MY_ASSERT(result!=JNI_FALSE,"wrong jawt version"); 86 87 /* Get the drawing surface */ 88 if ((ds = awt.GetDrawingSurface(env, obj_this)) == NULL) 89 return 0L; 90 91 /* Lock the drawing surface */ 92 lock = ds->Lock(ds); 93 MY_ASSERT((lock & JAWT_LOCK_ERROR)==0,"can't lock the drawing surface"); 94 95 /* Get the drawing surface info */ 96 dsi = ds->GetDrawingSurfaceInfo(ds); 97 98 /* Get the platform-specific drawing info */ 99 #ifdef WNT 100 dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo; 101 drawable = (jlong)dsi_win->hwnd; 102 #else 103 dsi_x11 = (JAWT_X11DrawingSurfaceInfo*)dsi->platformInfo; 104 drawable = (jlong)dsi_x11->drawable; 105 #endif 106 107 /* Free the drawing surface info */ 108 ds->FreeDrawingSurfaceInfo(dsi); 109 /* Unlock the drawing surface */ 110 ds->Unlock(ds); 111 /* Free the drawing surface */ 112 awt.FreeDrawingSurface(ds); 113 114 #if 0 115 /* Register own window procedure 116 Do it one times only! Otherwhise 117 multiple instances will be registered 118 and calls on such construct produce 119 a stack overflow. 120 */ 121 122 if (GetProp( (HWND)drawable, OLD_PROC_KEY )==0) 123 { 124 hFuncPtr = SetWindowLong( (HWND)drawable, GWL_WNDPROC, (DWORD)NativeViewWndProc ); 125 SetProp( (HWND)drawable, OLD_PROC_KEY, (HANDLE)hFuncPtr ); 126 } 127 #endif 128 129 return drawable; 130 } 131 132 #if 0 133 /***************************************************************************** 134 * 135 * Class : - 136 * Method : NativeViewWndProc 137 * Signature : - 138 * Description: registered window handler to intercept window messages between 139 * java and office process 140 */ 141 static LRESULT APIENTRY NativeViewWndProc( 142 HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 143 { 144 HANDLE hFuncPtr; 145 146 /* resize new created child window to fill out the java window complete */ 147 if (uMsg==WM_PARENTNOTIFY) 148 { 149 if (wParam == WM_CREATE) 150 { 151 RECT rect; 152 HWND hChild = (HWND) lParam; 153 154 GetClientRect(hWnd, &rect); 155 156 SetWindowPos(hChild, 157 NULL, 158 rect.left, 159 rect.top, 160 rect.right - rect.left, 161 rect.bottom - rect.top, 162 SWP_NOZORDER); 163 } 164 } 165 /* handle normal resize events */ 166 else if(uMsg==WM_SIZE) 167 { 168 WORD newHeight = HIWORD(lParam); 169 WORD newWidth = LOWORD(lParam); 170 HWND hChild = GetWindow(hWnd, GW_CHILD); 171 172 if (hChild != NULL) 173 SetWindowPos(hChild, NULL, 0, 0, newWidth, newHeight, SWP_NOZORDER); 174 } 175 176 /* forward request to original handler which is intercepted by this window procedure */ 177 hFuncPtr = GetProp(hWnd, OLD_PROC_KEY); 178 MY_ASSERT(hFuncPtr,"lost original window proc handler"); 179 return CallWindowProc( hFuncPtr, hWnd, uMsg, wParam, lParam); 180 } 181 #endif 182 183