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289 lines
9.5 KiB
C
289 lines
9.5 KiB
C
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef __DDE_H
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// Avoid include redundancy
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//
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#define __DDE_H
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// Purpose: Header file for DDE remote control
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// Comments:
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// Revision History:
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// 12-27-94 created GAB
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// 12-28-94 designed DDE wrapper class with multiple conversations
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// in mind, all conversations using the same HSZ
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// strings, and a mechanism to find the coversation
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// on the fly.
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// The conversations are correctly multiplexed via the
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// NetscapeDDECallBack function as it can access
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// all instances of CDDEWrapper and it has the
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// conversation identifier to compare with.
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//
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// Required Includes
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//
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#ifndef WIN32
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#include "ddeml2.h"
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#else
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#include <ddeml.h>
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#endif // WIN32
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#include "genchrom.h"
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// Constants
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//
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// Change this on each revision. Hiword is major, Loword is minor.
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const DWORD dwDDEVersion = 0x00030000UL;
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// Careful, 32bit bools will byte you.
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typedef short TwoByteBool;
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// Structures
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//
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struct CDDEWrapper {
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// Enumeration values which index into our static HSZ array.
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// Faster than list lookups.
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enum {
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m_MinHSZ = 0,
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m_ServiceName = 0,
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m_TopicStart = 1, // Where topics begin, services end
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m_OpenURL = 1,
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m_ShowFile,
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m_Activate,
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m_ListWindows,
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m_GetWindowInfo,
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m_ParseAnchor,
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m_Exit,
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m_RegisterProtocol,
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m_UnRegisterProtocol,
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m_RegisterViewer,
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m_QueryViewer,
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m_ViewDocFile,
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m_UnRegisterViewer,
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m_RegisterURLEcho,
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m_URLEcho,
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m_UnRegisterURLEcho,
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m_RegisterWindowChange,
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m_WindowChange,
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m_UnRegisterWindowChange,
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m_BeginProgress,
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m_SetProgressRange,
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m_MakingProgress,
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m_EndProgress,
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m_Alert,
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m_Version,
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m_CancelProgress,
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m_QueryURLFile,
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m_ListFrameChildren,
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m_GetFrameParent,
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// Here come the new DDE topics for Netscape 5.0 -- Dave Hyatt (8/13/97)
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m_RegisterStatusBarChange,
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m_StatusBarChange,
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m_UnRegisterStatusBarChange,
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m_NavigateBack,
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m_NavigateForward,
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m_Reload,
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m_Stop,
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m_GetDocumentWidth,
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m_GetDocumentHeight,
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m_UserAgent,
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m_Cache_ClearCache,
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m_Cache_Filename,
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m_Cache_InCache,
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m_Cache_RemoveURL,
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m_Cache_AddURL,
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m_History_ClearHistory,
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m_History_InHistory,
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m_History_RemoveURL,
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m_History_AddURL,
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m_History_NumEntries,
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m_History_GetEntry,
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m_GetWindowID,
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m_SupportsMimeType,
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m_ExecuteJavaScript,
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m_PrintWindow,
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m_PrintURL,
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// End of the new topics -- Dave Hyatt (8/13/97)
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m_MaxHSZ, // Where all hsz strings end, and where topics end
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m_Timeout = 30000, // Timeout value, in milliseconds, that the we will wait as a client.
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m_AlertError = 0, // Possible alert box types
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m_AlertWarning = 1,
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m_AlertQuestion = 2,
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m_AlertStatus = 3,
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m_ButtonOk = 0, // Possible buttons to show in alert box
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m_ButtonOkCancel = 1,
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m_ButtonYesNo = 2,
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m_ButtonYesNoCancel = 3,
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m_PushedError = 0,
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m_PushedOk = 1, // The button pushed in an alert box.
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m_PushedCancel = 2,
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m_PushedNo = 3,
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m_PushedYes = 4
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};
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static DWORD m_dwidInst; // Our DDEML instance. Only 1 ever.
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static BOOL m_bDDEActive; // Wether or not DDEML was initialized.
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static HSZ m_hsz[m_MaxHSZ]; // Array of HSZs to be used by all
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static CMapPtrToPtr m_ConvList; // Map of current conversations
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static DWORD m_dwafCmd; // array of command and filter flags
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static FARPROC m_pfnCallBack; // Call back function after MakeProcIntance
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static UINT m_cfFmts[]; // array of acceptable clipboard formats
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CDDEWrapper(HSZ hszService, HSZ hszTopic, HCONV hConv);
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~CDDEWrapper();
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// Conversation instance specific members
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HSZ m_hszService; // The service this object represents.
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int m_iService; // The enumerated service number; useful.
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HSZ m_hszTopic; // The topic this object represents.
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int m_iTopic; // The enumerated topic number; very useful.
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HCONV m_hConv; // The conversation this object represents.
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CString m_csProgressApp; // The service that we will update.
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// General members for informational lookup
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static CDDEWrapper *GetConvObj(HCONV hConv);
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static int EnumTopic(HSZ& hsz);
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static void ScanArgs(HSZ& hszArgs, const char *pFormat, ...);
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static void ScanDataArgs(HDDEDATA& hArgs, const char *pFormat, ...);
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static HDDEDATA MakeArgs(const char *pFormat, ...);
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static HSZ MakeItemArgs(const char *pFormat, ...);
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static char *SkipToNextFormat(char *pCurrent);
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static char *ExtractArg(HSZ& hszArgs, int iArgNum);
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// Context sensitive.
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CGenericView *GetView(DWORD dwContextID);
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CFrameGlue *GetFrame(DWORD dwContextID);
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CWinCX *GetContext(DWORD dwContextID);
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// DDE Callback handlers for a conversation
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HDDEDATA PokeHandler(HSZ& hszTopic, HSZ& hszItem, HDDEDATA& hData);
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HDDEDATA RequestHandler(HSZ& hszTopic, HSZ& hszItem);
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// Server Requests (Netscape 1-4)
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HDDEDATA OpenURL(HSZ& hszItem);
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HDDEDATA ShowFile(HSZ& hszItem);
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HDDEDATA Activate(HSZ& hszItem);
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HDDEDATA ListWindows(HSZ& hszItem);
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HDDEDATA GetWindowInfo(HSZ& hszItem);
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HDDEDATA ParseAnchor(HSZ& hszItem);
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HDDEDATA RegisterProtocol(HSZ& hszItem);
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HDDEDATA UnRegisterProtocol(HSZ& hszItem);
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HDDEDATA RegisterViewer(HSZ& hszItem);
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HDDEDATA UnRegisterViewer(HSZ& hszItem);
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HDDEDATA RegisterWindowChange(HSZ& hszItem);
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HDDEDATA UnRegisterWindowChange(HSZ& hszItem);
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HDDEDATA BeginProgress(HSZ& hszItem) { return(NULL); }
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HDDEDATA MakingProgress(HSZ& hszItem) { return(NULL); }
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HDDEDATA EndProgress(HSZ& hszItem) { return(NULL); }
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HDDEDATA Version(HSZ& hszItem);
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HDDEDATA QueryURLFile(HSZ& hszItem);
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HDDEDATA ListFrameChildren(HSZ& hszItem);
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HDDEDATA GetFrameParent(HSZ& hszItem);
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// New Server Requests for Netscape 5.0 (Dave Hyatt - 8/13/97)
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HDDEDATA RegisterStatusBarChange(HSZ& hszItem);
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HDDEDATA UnRegisterStatusBarChange(HSZ& hszItem);
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HDDEDATA Stop(HSZ& hszItem);
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HDDEDATA Reload(HSZ& hszItem);
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HDDEDATA NavigateForward(HSZ& hszItem);
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HDDEDATA NavigateBack(HSZ& hszItem);
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HDDEDATA UserAgent(HSZ& hszItem);
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HDDEDATA ClearCache(HSZ& hszItem);
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HDDEDATA CacheFilename(HSZ& hszItem);
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HDDEDATA InCache(HSZ& hszItem);
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HDDEDATA CacheRemoveURL(HSZ& hszItem);
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HDDEDATA CacheAddURL(HSZ& hszItem);
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HDDEDATA HistoryAddURL(HSZ& hszItem);
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HDDEDATA HistoryRemoveURL(HSZ& hszItem);
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HDDEDATA InHistory(HSZ& hszItem);
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HDDEDATA ClearHistory(HSZ& hszItem);
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HDDEDATA HistoryNumEntries(HSZ& hszItem);
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HDDEDATA HistoryGetEntry(HSZ& hszItem);
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HDDEDATA GetWindowID(HSZ& hszItem);
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HDDEDATA SupportsMimeType(HSZ& hszItem);
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HDDEDATA ExecuteJavaScript(HSZ& hszItem);
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HDDEDATA PrintWindow(HSZ& hszItem);
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HDDEDATA PrintURL(HSZ& hszItem);
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// Server Pokes (Netscape 1-4)
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HDDEDATA Exit(HSZ& hszItem, HDDEDATA& hData);
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HDDEDATA SetProgressRange(HSZ& hszItem, HDDEDATA& hData) { return(NULL); }
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HDDEDATA RegisterURLEcho(HSZ& hszItem, HDDEDATA& hData);
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HDDEDATA UnRegisterURLEcho(HSZ& hszItem, HDDEDATA& hData);
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HDDEDATA WindowChange(HSZ& hszItem, HDDEDATA& hData);
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HDDEDATA CancelProgress(HSZ& hszItem, HDDEDATA& hData);
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// Client connection establisher.
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static CDDEWrapper *ClientConnect(const char *cpService,
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HSZ& hszTopic);
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// Client Progress
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static DWORD BeginProgress(CNcapiUrlData *pNcapi, const char *pService,
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DWORD dwWindowID, const char *pMessage);
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static void SetProgressRange(CNcapiUrlData *pNcapi, const char *pService,
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DWORD dwTransactionID, DWORD dwMaxRange);
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static TwoByteBool MakingProgress(CNcapiUrlData *pNcapi, const char *pService,
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DWORD dwTransactionID, const char *pMessage, DWORD dwCurrent);
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static void EndProgress(CNcapiUrlData *pNcapi, const char *pService,
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DWORD dwTransactionID);
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static DWORD AlertProgress(CNcapiUrlData *pNcapi, const char *pService,
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const char *pMessage);
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static DWORD ConfirmProgress(CNcapiUrlData *pNcapi, const char *pService,
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const char *pMessage);
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// Helper func for active window retrieval (Dave Hyatt)
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static DWORD fetchLastActiveWindow();
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// Client Viewer Commands
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static void QueryViewer(CDDEDownloadData *pDData);
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static void ViewDocFile(CDDEDownloadData *pDData);
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static void OpenDocument(CDDEDownloadData *pDData);
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// Client Protocol Commands.
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static TwoByteBool OpenURL(CString csProtocol, CString csServiceName, URL_Struct *pURL, MWContext *pContext, FO_Present_Types iFormatOut);
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// Client Echo commands.
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static void URLEcho(CDDEEchoItem *pItem, CString& csURL, CString& csMimeType, DWORD dwWindowID, CString& csReferrer);
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// Client Window change commands.
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static void WindowChange(CDDEWindowChangeItem *pItem, int iChange, TwoByteBool bExiting = FALSE, DWORD dwX = 0, DWORD dwY = 0,
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DWORD dwCX = 0, DWORD cwCY = 0);
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static void StatusBarChange(CDDEStatusBarChangeItem *pItem, LPCSTR lpStatusMsg);//JOKI
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};
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// Global variables
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//
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// Macros
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//
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// Function declarations
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//
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void DDEStartup();
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void DDEShutdown();
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HDDEDATA
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CALLBACK
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#ifndef XP_WIN32
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_export
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#endif // no _export in windows 32
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NetscapeDDECallBack(UINT type, UINT fmt,
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HCONV hconv, HSZ hsz1, HSZ hsz2, HDDEDATA hData, DWORD dwData1,
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DWORD dwData2);
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#endif // __DDE_H
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