1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski #include <windows.h>
25*b1cdbd2cSJim Jagielski
26*b1cdbd2cSJim Jagielski #include "jawt.h"
27*b1cdbd2cSJim Jagielski #include "jawt_md.h"
28*b1cdbd2cSJim Jagielski #include "NativeView.h"
29*b1cdbd2cSJim Jagielski
30*b1cdbd2cSJim Jagielski #define MY_ASSERT(X,S) if (!X) { fprintf(stderr,"%s\n",S); return 0L;}
31*b1cdbd2cSJim Jagielski
32*b1cdbd2cSJim Jagielski #define SYSTEM_WIN32 1
33*b1cdbd2cSJim Jagielski #define SYSTEM_WIN16 2
34*b1cdbd2cSJim Jagielski #define SYSTEM_JAVA 3
35*b1cdbd2cSJim Jagielski #define SYSTEM_OS2 4
36*b1cdbd2cSJim Jagielski #define SYSTEM_MAC 5
37*b1cdbd2cSJim Jagielski #define SYSTEM_XWINDOW 6
38*b1cdbd2cSJim Jagielski
39*b1cdbd2cSJim Jagielski // property name to register own window procedure on hwnd
40*b1cdbd2cSJim Jagielski #define OLD_PROC_KEY "oldwindowproc"
41*b1cdbd2cSJim Jagielski // signature of this window procedure
42*b1cdbd2cSJim Jagielski static LRESULT APIENTRY NativeViewWndProc( HWND , UINT , WPARAM , LPARAM );
43*b1cdbd2cSJim Jagielski
44*b1cdbd2cSJim Jagielski /*****************************************************************************
45*b1cdbd2cSJim Jagielski *
46*b1cdbd2cSJim Jagielski * Class : NativeView
47*b1cdbd2cSJim Jagielski * Method : getNativeWindowSystemType
48*b1cdbd2cSJim Jagielski * Signature : ()I
49*b1cdbd2cSJim Jagielski * Description: returns an identifier for the current operating system
50*b1cdbd2cSJim Jagielski */
Java_NativeView_getNativeWindowSystemType(JNIEnv * env,jobject obj_this)51*b1cdbd2cSJim Jagielski JNIEXPORT jint JNICALL Java_NativeView_getNativeWindowSystemType
52*b1cdbd2cSJim Jagielski (JNIEnv * env, jobject obj_this)
53*b1cdbd2cSJim Jagielski {
54*b1cdbd2cSJim Jagielski return (SYSTEM_WIN32);
55*b1cdbd2cSJim Jagielski }
56*b1cdbd2cSJim Jagielski
57*b1cdbd2cSJim Jagielski /*****************************************************************************
58*b1cdbd2cSJim Jagielski *
59*b1cdbd2cSJim Jagielski * Class : NativeView
60*b1cdbd2cSJim Jagielski * Method : getNativeWindow
61*b1cdbd2cSJim Jagielski * Signature : ()J
62*b1cdbd2cSJim Jagielski * Description: returns the native systemw window handle of this object
63*b1cdbd2cSJim Jagielski */
Java_NativeView_getNativeWindow(JNIEnv * env,jobject obj_this)64*b1cdbd2cSJim Jagielski JNIEXPORT jlong JNICALL Java_NativeView_getNativeWindow
65*b1cdbd2cSJim Jagielski (JNIEnv * env, jobject obj_this)
66*b1cdbd2cSJim Jagielski {
67*b1cdbd2cSJim Jagielski jboolean result ;
68*b1cdbd2cSJim Jagielski jint lock ;
69*b1cdbd2cSJim Jagielski JAWT awt ;
70*b1cdbd2cSJim Jagielski JAWT_DrawingSurface* ds ;
71*b1cdbd2cSJim Jagielski JAWT_DrawingSurfaceInfo* dsi ;
72*b1cdbd2cSJim Jagielski JAWT_Win32DrawingSurfaceInfo* dsi_win ;
73*b1cdbd2cSJim Jagielski HDC hdc ;
74*b1cdbd2cSJim Jagielski HWND hWnd ;
75*b1cdbd2cSJim Jagielski LONG hFuncPtr;
76*b1cdbd2cSJim Jagielski
77*b1cdbd2cSJim Jagielski /* Get the AWT */
78*b1cdbd2cSJim Jagielski awt.version = JAWT_VERSION_1_3;
79*b1cdbd2cSJim Jagielski result = JAWT_GetAWT(env, &awt);
80*b1cdbd2cSJim Jagielski MY_ASSERT(result!=JNI_FALSE,"wrong jawt version");
81*b1cdbd2cSJim Jagielski
82*b1cdbd2cSJim Jagielski /* Get the drawing surface */
83*b1cdbd2cSJim Jagielski if ((ds = awt.GetDrawingSurface(env, obj_this)) == NULL)
84*b1cdbd2cSJim Jagielski return 0L;
85*b1cdbd2cSJim Jagielski
86*b1cdbd2cSJim Jagielski /* Lock the drawing surface */
87*b1cdbd2cSJim Jagielski lock = ds->Lock(ds);
88*b1cdbd2cSJim Jagielski MY_ASSERT((lock & JAWT_LOCK_ERROR)==0,"can't lock the drawing surface");
89*b1cdbd2cSJim Jagielski
90*b1cdbd2cSJim Jagielski /* Get the drawing surface info */
91*b1cdbd2cSJim Jagielski dsi = ds->GetDrawingSurfaceInfo(ds);
92*b1cdbd2cSJim Jagielski
93*b1cdbd2cSJim Jagielski /* Get the platform-specific drawing info */
94*b1cdbd2cSJim Jagielski dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo;
95*b1cdbd2cSJim Jagielski hdc = dsi_win->hdc;
96*b1cdbd2cSJim Jagielski hWnd = dsi_win->hwnd;
97*b1cdbd2cSJim Jagielski
98*b1cdbd2cSJim Jagielski /* Free the drawing surface info */
99*b1cdbd2cSJim Jagielski ds->FreeDrawingSurfaceInfo(dsi);
100*b1cdbd2cSJim Jagielski /* Unlock the drawing surface */
101*b1cdbd2cSJim Jagielski ds->Unlock(ds);
102*b1cdbd2cSJim Jagielski /* Free the drawing surface */
103*b1cdbd2cSJim Jagielski awt.FreeDrawingSurface(ds);
104*b1cdbd2cSJim Jagielski
105*b1cdbd2cSJim Jagielski /* Register own window procedure
106*b1cdbd2cSJim Jagielski Do it one times only! Otherwhise
107*b1cdbd2cSJim Jagielski multiple instances will be registered
108*b1cdbd2cSJim Jagielski and calls on such construct produce
109*b1cdbd2cSJim Jagielski a stack overflow.
110*b1cdbd2cSJim Jagielski */
111*b1cdbd2cSJim Jagielski if (GetProp( hWnd, OLD_PROC_KEY )==0)
112*b1cdbd2cSJim Jagielski {
113*b1cdbd2cSJim Jagielski hFuncPtr = SetWindowLong( hWnd, GWL_WNDPROC, (DWORD)NativeViewWndProc );
114*b1cdbd2cSJim Jagielski SetProp( hWnd, OLD_PROC_KEY, (HANDLE)hFuncPtr );
115*b1cdbd2cSJim Jagielski }
116*b1cdbd2cSJim Jagielski
117*b1cdbd2cSJim Jagielski return ((jlong)hWnd);
118*b1cdbd2cSJim Jagielski }
119*b1cdbd2cSJim Jagielski
120*b1cdbd2cSJim Jagielski /*****************************************************************************
121*b1cdbd2cSJim Jagielski *
122*b1cdbd2cSJim Jagielski * Class : -
123*b1cdbd2cSJim Jagielski * Method : NativeViewWndProc
124*b1cdbd2cSJim Jagielski * Signature : -
125*b1cdbd2cSJim Jagielski * Description: registered window handler to intercept window messages between
126*b1cdbd2cSJim Jagielski * java and office process
127*b1cdbd2cSJim Jagielski */
NativeViewWndProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam)128*b1cdbd2cSJim Jagielski static LRESULT APIENTRY NativeViewWndProc(
129*b1cdbd2cSJim Jagielski HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
130*b1cdbd2cSJim Jagielski {
131*b1cdbd2cSJim Jagielski HANDLE hFuncPtr;
132*b1cdbd2cSJim Jagielski
133*b1cdbd2cSJim Jagielski /* resize new created child window to fill out the java window complete */
134*b1cdbd2cSJim Jagielski if (uMsg==WM_PARENTNOTIFY)
135*b1cdbd2cSJim Jagielski {
136*b1cdbd2cSJim Jagielski if (wParam == WM_CREATE)
137*b1cdbd2cSJim Jagielski {
138*b1cdbd2cSJim Jagielski RECT rect;
139*b1cdbd2cSJim Jagielski HWND hChild = (HWND) lParam;
140*b1cdbd2cSJim Jagielski
141*b1cdbd2cSJim Jagielski GetClientRect(hWnd, &rect);
142*b1cdbd2cSJim Jagielski
143*b1cdbd2cSJim Jagielski SetWindowPos(hChild,
144*b1cdbd2cSJim Jagielski NULL,
145*b1cdbd2cSJim Jagielski rect.left,
146*b1cdbd2cSJim Jagielski rect.top,
147*b1cdbd2cSJim Jagielski rect.right - rect.left,
148*b1cdbd2cSJim Jagielski rect.bottom - rect.top,
149*b1cdbd2cSJim Jagielski SWP_NOZORDER);
150*b1cdbd2cSJim Jagielski }
151*b1cdbd2cSJim Jagielski }
152*b1cdbd2cSJim Jagielski /* handle normal resize events */
153*b1cdbd2cSJim Jagielski else if(uMsg==WM_SIZE)
154*b1cdbd2cSJim Jagielski {
155*b1cdbd2cSJim Jagielski WORD newHeight = HIWORD(lParam);
156*b1cdbd2cSJim Jagielski WORD newWidth = LOWORD(lParam);
157*b1cdbd2cSJim Jagielski HWND hChild = GetWindow(hWnd, GW_CHILD);
158*b1cdbd2cSJim Jagielski
159*b1cdbd2cSJim Jagielski if (hChild != NULL)
160*b1cdbd2cSJim Jagielski SetWindowPos(hChild, NULL, 0, 0, newWidth, newHeight, SWP_NOZORDER);
161*b1cdbd2cSJim Jagielski }
162*b1cdbd2cSJim Jagielski
163*b1cdbd2cSJim Jagielski /* forward request to original handler which is intercepted by this window procedure */
164*b1cdbd2cSJim Jagielski hFuncPtr = GetProp(hWnd, OLD_PROC_KEY);
165*b1cdbd2cSJim Jagielski MY_ASSERT(hFuncPtr,"lost original window proc handler");
166*b1cdbd2cSJim Jagielski return CallWindowProc( hFuncPtr, hWnd, uMsg, wParam, lParam);
167*b1cdbd2cSJim Jagielski }
168