523 lines
15 KiB
C++
523 lines
15 KiB
C++
// Copyright (C) Microsoft Corporation 1996-1997, All Rights reserved.
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// This module contains all the routines necessary for talking to hha.dll.
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// This dll is installed as part of HtmlHelp Workshop, indicating that a Help
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// Author is working with the HtmlHelp display.
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/*
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TODO: This function calls the following lines TOO many times
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if (g_hmodHHA == NULL) {
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if (g_fTriedHHA || !LoadHHA(NULL, _Module.GetModuleInstance())) {
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this code needs to be consolidated.
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*/
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#include "header.h"
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#include "hhctrl.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static const char THIS_FILE[] = __FILE__;
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#endif
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#include "strtable.h"
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#include "hha_strtable.h"
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#include "hhctrl.h"
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#include "secwin.h"
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#define DLL_VERSION 0x0018 // from hhafunc.h (help authoring dll project)
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int (WINAPI *pHHA_msg)(UINT command, WPARAM wParam, LPARAM lParam);
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PCSTR (STDCALL *pGetDllStringResource)(int idFormatString);
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int (STDCALL *pDllMsgBox)(int idFormatString, PCSTR pszSubString, UINT nType);
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static BOOL InitializeHHA(HWND hwnd, HINSTANCE hinst);
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// persistent local memory class
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class CDataHHA {
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public:
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CDataHHA::CDataHHA() { m_pszMsgBoxTitle = NULL; }
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CDataHHA::~CDataHHA() { CHECK_AND_FREE( m_pszMsgBoxTitle ); }
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char* GetMsgBoxTitle(void) { if( !m_pszMsgBoxTitle ) m_pszMsgBoxTitle = lcStrDup(pGetDllStringResource(IDS_AUTHOR_MSG_TITLE)); return m_pszMsgBoxTitle; }
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private:
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char* m_pszMsgBoxTitle;
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};
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static CDataHHA s_Data;
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#if defined(_DEBUG)
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void WINAPI CopyAssertInfo(PSTR pszDst);
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void (WINAPI *pAssertErrorReport)(PCSTR pszExpression, UINT line, LPCSTR pszFile);
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void AssertErrorReport(PCSTR pszExpression, UINT line, LPCSTR pszFile)
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{
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if (g_hmodHHA == NULL) {
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if (g_fTriedHHA || !LoadHHA(NULL, _Module.GetModuleInstance())) {
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HHAUnavailable:
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char szMsg[MAX_PATH*2];
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wsprintf(szMsg, "%s\n%s (%u)",
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pszExpression, pszFile, line);
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#ifdef _DEBUG
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int answer = ::MessageBox(GetActiveWindow(), pszExpression, "Retry to call DebugBreak()",
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MB_ABORTRETRYIGNORE);
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if (answer == IDRETRY) {
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DebugBreak();
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return;
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}
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else if (answer == IDIGNORE) {
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return;
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}
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#else
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MessageBox(GetActiveWindow(), szMsg, "Assertion error",
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MB_ICONEXCLAMATION);
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#endif
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}
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}
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if (pAssertErrorReport == NULL) {
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(FARPROC&) pAssertErrorReport =
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GetProcAddress(g_hmodHHA, MAKEINTATOM(26));
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if (pAssertErrorReport == NULL)
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goto HHAUnavailable;
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}
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pAssertErrorReport(pszExpression, line, pszFile);
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}
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/***************************************************************************
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FUNCTION: CopyAssertInfo
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PURPOSE: Allows additional information to be written to the
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assertion file.
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PARAMETERS:
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pszDst -- where to put the additional information. About 900
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bytes is available.
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RETURNS: void
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COMMENTS: Used when hha.dll is found, and therefore hooked up to
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assertion errors (HHA will call this). See InitializeHHA.
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MODIFICATION DATES:
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25-Feb-1997 [ralphw]
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***************************************************************************/
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void WINAPI CopyAssertInfo(PSTR pszDst)
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{
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*pszDst = '\0';
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return;
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}
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#endif // _DEBUG
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const TCHAR txtRegKeySection[] = "Software\\Microsoft\\HtmlHelp Author";
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const TCHAR txtRegKey[] = "location";
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extern "C" HMODULE LoadHHA(HWND hwnd, HINSTANCE hinst)
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{
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HKEY hkey;
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TCHAR szPath[MAX_PATH];
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if (RegOpenKeyEx(HKEY_CURRENT_USER,
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txtRegKeySection, 0, KEY_READ, &hkey) ==
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ERROR_SUCCESS) {
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DWORD type;
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DWORD cbPath = sizeof(szPath);
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LONG result = RegQueryValueEx(hkey, txtRegKey, 0, &type,
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(PBYTE) szPath, &cbPath);
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RegCloseKey(hkey);
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if (result == ERROR_SUCCESS) {
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g_hmodHHA = LoadLibrary(szPath);
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if (g_hmodHHA != NULL) {
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if (!InitializeHHA(hwnd, hinst)) {
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FreeLibrary(g_hmodHHA);
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g_hmodHHA = NULL;
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g_fTriedHHA = TRUE;
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return NULL;
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}
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return g_hmodHHA;
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}
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}
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}
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g_fTriedHHA = TRUE;
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return NULL;
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}
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/***************************************************************************
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FUNCTION: InitializeHHA
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PURPOSE: Initialize the Help Authoring dll
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PARAMETERS:
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hwnd -- will be used as the parent of HHA.dll message boxes
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RETURNS: FALSE if InitializeHHA can't be found, which means
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a very corrupted HHA.dll
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COMMENTS:
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Call this whenever the window handle for messages boxes changes.
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MODIFICATION DATES:
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25-Feb-1997 [ralphw]
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***************************************************************************/
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typedef void (WINAPI* COPYASSERTINFO)(PSTR pszDst);
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typedef struct {
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int cb;
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HINSTANCE hinstApp;
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PCSTR pszErrorFile;
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HWND hwndWindow;
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COPYASSERTINFO CopyAssertInfo;
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PCSTR pszMsgBoxTitle;
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// The following will be filled in by the dll
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BOOL fDBCSSystem;
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LCID lcidSystem;
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BOOL fDualCPU;
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UINT version;
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} HHA_INIT;
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typedef void (WINAPI* INITIALIZEHHA)(HHA_INIT* pinit);
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void (WINAPI *pInitializeHHA)(HHA_INIT* pinit);
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static BOOL InitializeHHA(HWND hwnd, HINSTANCE hinst)
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{
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ASSERT(g_hmodHHA != NULL);
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static HWND hwndLast = (HWND) -1;
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if (hwnd == hwndLast)
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return TRUE; // no change to window handle, so already initialized
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if (pInitializeHHA == NULL) {
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pInitializeHHA =
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(INITIALIZEHHA) GetProcAddress(g_hmodHHA, MAKEINTATOM(78));
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if (pInitializeHHA == NULL)
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return FALSE;
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}
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(FARPROC&) pGetDllStringResource = GetProcAddress(g_hmodHHA, MAKEINTATOM(194));
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HHA_INIT hwInit;
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hwInit.cb = sizeof(HHA_INIT);
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hwInit.hinstApp = hinst; // BUGBUG: HHA doesn't separate Resource from App. Will get English resource strings in some instances. (HINST_THIS)
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#if defined(_DEBUG)
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hwInit.pszErrorFile = "c:\\HtmlHelp.err";
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hwInit.CopyAssertInfo = CopyAssertInfo;
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#else
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hwInit.pszErrorFile = "";
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hwInit.CopyAssertInfo = NULL;
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#endif
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hwInit.pszMsgBoxTitle = s_Data.GetMsgBoxTitle();
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hwInit.hwndWindow = hwnd; // parent for message boxes
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hwInit.version = DLL_VERSION;
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pInitializeHHA(&hwInit);
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(FARPROC&) pDllMsgBox = GetProcAddress(g_hmodHHA, MAKEINTATOM(115));
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(FARPROC&) pHHA_msg = GetProcAddress(g_hmodHHA, MAKEINTATOM(106));
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return TRUE;
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}
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/***************************************************************************
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FUNCTION: doAuthorMessage
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PURPOSE: Use a format string from HHA.dll, format the message
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with the supplied string and display it in a message box.
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PARAMETERS:
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idStringFormatResource -- must have been defined in HHA.dll
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pszSubString
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RETURNS: void
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COMMENTS:
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The reason for doing this is to allow for larger, more informative
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strings for help authors without having to ship those strings in
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a retail package where users would never see them.
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MODIFICATION DATES:
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25-Feb-1997 [ralphw]
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***************************************************************************/
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void doAuthorMsg(UINT idStringFormatResource, PCSTR pszSubString)
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{
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// Work around known stack overwrite problem in hha.dll
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//
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char *pszTempString = lcStrDup(pszSubString);
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if(pszTempString && strlen(pszTempString) > 768)
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pszTempString[768] = 0;
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if (g_hmodHHA == NULL) {
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if (g_fTriedHHA || !LoadHHA(NULL, _Module.GetModuleInstance()))
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return; // no HHA.dll, so not a help author
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}
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if (pDllMsgBox == NULL) {
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(FARPROC&) pDllMsgBox = GetProcAddress(g_hmodHHA, MAKEINTATOM(15));
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if (pDllMsgBox == NULL)
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return;
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}
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// Note that the resource id is in hha.dll
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pDllMsgBox(idStringFormatResource, pszTempString, MB_OK);
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// Track the message in HtmlHelp Workshop
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if( !pszTempString || !*pszTempString )
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HHA_Msg(HHA_SEND_RESID_TO_PARENT, idStringFormatResource, (LPARAM) NULL );
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else
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HHA_Msg(HHA_SEND_RESID_AND_STRING_TO_PARENT, idStringFormatResource,
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(LPARAM) pszTempString);
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}
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void (WINAPI *pReportOleError)(HRESULT, PCSTR);
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#ifdef _DEBUG
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void doReportOleError(HRESULT hres)
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{
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if (g_hmodHHA == NULL) {
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if (g_fTriedHHA || !LoadHHA(NULL, _Module.GetModuleInstance()))
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return; // no HHA.dll, so not a help author
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}
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if (pReportOleError == NULL) {
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(FARPROC&) pReportOleError = GetProcAddress(g_hmodHHA, MAKEINTATOM(234));
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if (pReportOleError == NULL)
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return;
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}
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pReportOleError(hres, NULL);
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}
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#endif // _DEBUG
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void SendStringToParent(PCSTR pszMsg)
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{
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#ifdef _DEBUG
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OutputDebugString(pszMsg);
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#endif
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if (g_hmodHHA == NULL) {
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if (g_fTriedHHA || !LoadHHA(NULL, _Module.GetModuleInstance()))
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return; // no HHA.dll, so not a help author
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}
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ASSERT(pHHA_msg);
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if (!pHHA_msg) {
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return;
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}
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pHHA_msg(HHA_SEND_STRING_TO_PARENT, (WPARAM) pszMsg, 0);
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}
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int HHA_Msg(UINT command, WPARAM wParam, LPARAM lParam)
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{
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if (g_hmodHHA && pHHA_msg)
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return pHHA_msg(command, wParam, lParam);
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if (g_hmodHHA == NULL) {
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if (g_fTriedHHA || !LoadHHA(NULL, _Module.GetModuleInstance()))
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return 0; // no HHA.dll, so not a help author
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}
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ASSERT(pHHA_msg);
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if (!pHHA_msg) {
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return 0;
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}
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return pHHA_msg(command, wParam, lParam);
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}
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void CHtmlHelpControl::FillGeneralInformation(HHA_GEN_INFO* pgenInfo)
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{
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pgenInfo->m_pszBitmap = m_pszBitmap;
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// pgenInfo->m_cImages = m_cImages;
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pgenInfo->pflags = m_flags;
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pgenInfo->m_hfont = m_hfont;
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pgenInfo->m_clrFont = m_clrFont;
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pgenInfo->m_hpadding = m_hpadding;
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pgenInfo->m_vpadding = m_vpadding;
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pgenInfo->m_hImage = m_hImage;
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pgenInfo->m_fPopupMenu = m_fPopupMenu;
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pgenInfo->m_fWinHelpPopup = m_fWinHelpPopup;
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/*
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* A TOC image uses an imagelist, the handle for which is not
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* interchangeable with a "regular" bitmap. To show what it looks like,
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* we must load it as a regular bitmap. This instance of the bitmap
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* will get deleted when the CHtmlHelpControl class is deleted.
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*/
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if (m_pszBitmap && !m_hImage) {
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char szBitmap[MAX_PATH];
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if (ConvertToCacheFile(m_pszBitmap, szBitmap)) {
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pgenInfo->m_hImage = m_hImage =
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LoadImage(_Module.GetResourceInstance(), szBitmap, IMAGE_BITMAP, 0, 0,
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LR_LOADFROMFILE);
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}
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}
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if (m_ptblItems) {
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pgenInfo->cItems = m_ptblItems->CountStrings();
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pgenInfo->apszItems = m_ptblItems->GetStringPointers();
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}
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else
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pgenInfo->cItems = 0;
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}
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void (STDCALL *pViewEntry)(HWND hwndParent, HHA_ENTRY_APPEARANCE* pAppear);
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void DisplayAuthorInfo(CInfoType *pInfoType, CSiteMap* pSiteMap, SITEMAP_ENTRY* pSiteMapEntry, HWND hwndParent, CHtmlHelpControl* phhctrl)
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{
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if (!pViewEntry)
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(FARPROC&) pViewEntry = GetProcAddress(g_hmodHHA,
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MAKEINTATOM(262));
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if (!pViewEntry) {
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pDllMsgBox(IDS_DLL_OUT_OF_DATE, "", MB_OK);
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return;
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}
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HHA_ENTRY_APPEARANCE entry;
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ZeroMemory(&entry, sizeof(entry));
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entry.version = HHA_REQUIRED_VERSION;
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entry.pSiteMap = pSiteMap;
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entry.pSiteMapEntry = pSiteMapEntry;
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entry.pszWindowName = pSiteMapEntry->GetWindowIndex() ?
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pSiteMap->GetEntryWindow(pSiteMapEntry) : pSiteMap->GetWindowName();
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entry.pszFrameName = pSiteMapEntry->GetFrameIndex() ?
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pSiteMap->GetEntryFrame(pSiteMapEntry) : pSiteMap->GetFrameName();
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/*
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* We use a CTable so that we can free all the strings in one fell
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* swoop.
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*/
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CTable tblData;
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entry.apszUrlNames = (PCSTR*) tblData.TableMalloc(
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(pSiteMapEntry->cUrls * 2) * sizeof(PCSTR));
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SITE_ENTRY_URL* pUrl = pSiteMapEntry->pUrls;
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for (int i = 0; i < pSiteMapEntry->cUrls; i++) {
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entry.apszUrlNames[i * 2] =
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pUrl->urlPrimary ?
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pSiteMap->GetUrlString(pUrl->urlPrimary) : "";
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entry.apszUrlNames[i * 2 + 1] =
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pUrl->urlSecondary ?
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pSiteMap->GetUrlString(pUrl->urlSecondary) : "";
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pUrl = pSiteMap->NextUrlEntry(pUrl);
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}
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// Now add the type names
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if (pInfoType && pInfoType->HowManyInfoTypes()) {
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entry.apszTypes = (PCSTR*) tblData.TableMalloc(pInfoType->HowManyInfoTypes() * sizeof(PCSTR));
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int end = pInfoType->HowManyInfoTypes();
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for (int i = 0; i < end; i++)
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entry.apszTypes[i] = pInfoType->GetInfoTypeName(i + 1);
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entry.cTypes = end;
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}
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else {
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entry.apszTypes = NULL;
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entry.cTypes = 0;
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}
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if (phhctrl)
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phhctrl->FillGeneralInformation(&entry.genInfo);
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entry.genInfo.pszDefWindowName = pSiteMap->GetWindowName();
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entry.genInfo.pszDefFrameName = pSiteMap->GetFrameName();
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entry.genInfo.pszBackBitmap = pSiteMap->m_pszBackBitmap;
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if (phhctrl)
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phhctrl->ModalDialog(TRUE);
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pViewEntry(FindTopLevelWindow(hwndParent), &entry);
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if (phhctrl)
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phhctrl->ModalDialog(FALSE);
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}
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// BUGBUG: remove when everything works!
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void (STDCALL *pItDoesntWork)(void);
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void ItDoesntWork()
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{
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if (g_hmodHHA == NULL) {
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if (g_fTriedHHA || !LoadHHA(NULL, _Module.GetModuleInstance()))
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return; // no HHA.dll, so not a help author
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}
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if (!pItDoesntWork)
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(FARPROC&) pItDoesntWork = GetProcAddress(g_hmodHHA,
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MAKEINTATOM(296));
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if (pItDoesntWork)
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pItDoesntWork();
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}
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BOOL IsHelpAuthor(HWND hwndCaller)
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{
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if (g_hmodHHA == NULL) {
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if (g_fTriedHHA || !LoadHHA(hwndCaller, _Module.GetModuleInstance()))
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return FALSE; // no HHA.dll, so not a help author
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}
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return TRUE;
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}
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void (STDCALL *pDoHhctrlVersion)(HWND hwndParent, PCSTR pszCHMVersion);
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void doHhctrlVersion(HWND hwndParent, PCSTR pszCHMVersion)
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{
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if (!pDoHhctrlVersion)
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(FARPROC&) pDoHhctrlVersion = GetProcAddress(g_hmodHHA,
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MAKEINTATOM(323));
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if (pDoHhctrlVersion)
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pDoHhctrlVersion(hwndParent, pszCHMVersion);
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}
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void (STDCALL *pShowWindowType)(PHH_WINTYPE phh);
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void doWindowInformation(HWND hwndParent, CHHWinType* phh)
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{
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if (!pShowWindowType)
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(FARPROC&) pShowWindowType = GetProcAddress(g_hmodHHA,
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MAKEINTATOM(380));
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if (pShowWindowType) {
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CStr csz("");
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if (!phh->pszCustomTabs) {
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for (int iTab = HHWIN_NAVTYPE_CUSTOM_FIRST; iTab < HH_MAX_TABS+1; iTab++) {
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if (phh->fsWinProperties & (HHWIN_PROP_TAB_CUSTOM1 << (iTab - HH_TAB_CUSTOM_FIRST))) {
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if (csz.IsNonEmpty())
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csz += "\1";
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csz += phh->GetExtTab(iTab - HH_TAB_CUSTOM_FIRST)->pszTabName;
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csz += " -- ";
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csz += phh->GetExtTab(iTab - HH_TAB_CUSTOM_FIRST)->pszProgId;
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}
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}
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if (csz.IsNonEmpty())
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csz += "\1";
|
|
phh->pszCustomTabs = csz.psz;
|
|
PSTR psz = StrChr(phh->pszCustomTabs, '\1');
|
|
while (psz) {
|
|
*psz = '\0';
|
|
psz = StrChr(psz + 1, '\1');
|
|
}
|
|
}
|
|
pShowWindowType(phh);
|
|
}
|
|
else if (pDllMsgBox)
|
|
pDllMsgBox(IDS_DLL_OUT_OF_DATE, "", MB_OK);
|
|
}
|