1 /*
2 * Shell DDE Handling
3 *
4 * Copyright 2004 Robert Shearman
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <stdarg.h>
22
23 #include "windef.h"
24 #include "winbase.h"
25 #include "ddeml.h"
26 #include "shellapi.h"
27
28 #include "wine/debug.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(shell);
31
32 /* String handles */
33 static HSZ hszProgmanTopic;
34 static HSZ hszProgmanService;
35 static HSZ hszAsterisk;
36 static HSZ hszShell;
37 static HSZ hszAppProperties;
38 static HSZ hszFolders;
39 /* DDE Instance ID */
40 static DWORD dwDDEInst;
41
42
43 static inline BOOL Dde_OnConnect(HSZ hszTopic, HSZ hszService)
44 {
45 if ((hszTopic == hszProgmanTopic) && (hszService == hszProgmanService))
46 return TRUE;
47 if ((hszTopic == hszProgmanTopic) && (hszService == hszAppProperties))
48 return TRUE;
49 if ((hszTopic == hszShell) && (hszService == hszFolders))
50 return TRUE;
51 if ((hszTopic == hszShell) && (hszService == hszAppProperties))
52 return TRUE;
53 return FALSE;
54 }
55
56 static inline void Dde_OnConnectConfirm(HCONV hconv, HSZ hszTopic, HSZ hszService)
57 {
58 FIXME("stub\n");
59 }
60
61 static inline BOOL Dde_OnWildConnect(HSZ hszTopic, HSZ hszService)
62 {
63 FIXME("stub\n");
64 return FALSE;
65 }
66
67 static inline HDDEDATA Dde_OnRequest(UINT uFmt, HCONV hconv, HSZ hszTopic,
68 HSZ hszItem)
69 {
70 FIXME("stub\n");
71 return NULL;
72 }
73
74 static inline DWORD Dde_OnExecute(HCONV hconv, HSZ hszTopic, HDDEDATA hdata)
75 {
76 BYTE * pszCommand;
77
78 pszCommand = DdeAccessData(hdata, NULL);
79 if (!pszCommand)
80 return DDE_FNOTPROCESSED;
81
82 FIXME("stub: %s\n", pszCommand);
83
84 DdeUnaccessData(hdata);
85
86 return DDE_FNOTPROCESSED;
87 }
88
89 static inline void Dde_OnDisconnect(HCONV hconv)
90 {
91 FIXME("stub\n");
92 }
93
94 static HDDEDATA CALLBACK DdeCallback(
95 UINT uType,
96 UINT uFmt,
97 HCONV hconv,
98 HSZ hsz1,
99 HSZ hsz2,
100 HDDEDATA hdata,
101 ULONG_PTR dwData1,
102 ULONG_PTR dwData2)
103 {
104 switch (uType)
105 {
106 case XTYP_CONNECT:
107 return (HDDEDATA)(DWORD_PTR)Dde_OnConnect(hsz1, hsz2);
108 case XTYP_CONNECT_CONFIRM:
109 Dde_OnConnectConfirm(hconv, hsz1, hsz2);
110 return NULL;
111 case XTYP_WILDCONNECT:
112 return (HDDEDATA)(DWORD_PTR)Dde_OnWildConnect(hsz1, hsz2);
113 case XTYP_REQUEST:
114 return Dde_OnRequest(uFmt, hconv, hsz1, hsz2);
115 case XTYP_EXECUTE:
116 return (HDDEDATA)(DWORD_PTR)Dde_OnExecute(hconv, hsz1, hdata);
117 case XTYP_DISCONNECT:
118 Dde_OnDisconnect(hconv);
119 return NULL;
120 default:
121 return NULL;
122 }
123 }
124
125 /*************************************************************************
126 * ShellDDEInit (SHELL32.@)
127 *
128 * Registers the Shell DDE services with the system so that applications
129 * can use them.
130 *
131 * PARAMS
132 * bInit [I] TRUE to initialize the services, FALSE to uninitalize.
133 *
134 * RETURNS
135 * Nothing.
136 */
137 void WINAPI ShellDDEInit(BOOL bInit)
138 {
139 TRACE("bInit = %s\n", bInit ? "TRUE" : "FALSE");
140
141 if (bInit)
142 {
143 static const WCHAR wszProgman[] = {'P','r','o','g','m','a','n',0};
144 static const WCHAR wszAsterisk[] = {'*',0};
145 static const WCHAR wszShell[] = {'S','h','e','l','l',0};
146 static const WCHAR wszAppProperties[] =
147 {'A','p','p','P','r','o','p','e','r','t','i','e','s',0};
148 static const WCHAR wszFolders[] = {'F','o','l','d','e','r','s',0};
149
150 DdeInitializeW(&dwDDEInst, DdeCallback, CBF_FAIL_ADVISES | CBF_FAIL_POKES, 0);
151
152 hszProgmanTopic = DdeCreateStringHandleW(dwDDEInst, wszProgman, CP_WINUNICODE);
153 hszProgmanService = DdeCreateStringHandleW(dwDDEInst, wszProgman, CP_WINUNICODE);
154 hszAsterisk = DdeCreateStringHandleW(dwDDEInst, wszAsterisk, CP_WINUNICODE);
155 hszShell = DdeCreateStringHandleW(dwDDEInst, wszShell, CP_WINUNICODE);
156 hszAppProperties = DdeCreateStringHandleW(dwDDEInst, wszAppProperties, CP_WINUNICODE);
157 hszFolders = DdeCreateStringHandleW(dwDDEInst, wszFolders, CP_WINUNICODE);
158
159 DdeNameService(dwDDEInst, hszFolders, 0, DNS_REGISTER);
160 DdeNameService(dwDDEInst, hszProgmanService, 0, DNS_REGISTER);
161 DdeNameService(dwDDEInst, hszShell, 0, DNS_REGISTER);
162 }
163 else
164 {
165 /* unregister all services */
166 DdeNameService(dwDDEInst, 0, 0, DNS_UNREGISTER);
167
168 DdeFreeStringHandle(dwDDEInst, hszFolders);
169 DdeFreeStringHandle(dwDDEInst, hszAppProperties);
170 DdeFreeStringHandle(dwDDEInst, hszShell);
171 DdeFreeStringHandle(dwDDEInst, hszAsterisk);
172 DdeFreeStringHandle(dwDDEInst, hszProgmanService);
173 DdeFreeStringHandle(dwDDEInst, hszProgmanTopic);
174
175 DdeUninitialize(dwDDEInst);
176 }
177 }
178
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.