| 1 | /***
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| 2 | This file belongs to the Gotcha! distribution.
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| 3 | Copyright (C) 1998-2002 Thorsten Thielen <thth@c2226.de>
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| 4 |
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| 5 | This program is free software; you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 2 of the License, or
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| 8 | (at your option) any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program; if not, write to the Free Software
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| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 18 | ***/
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| 19 |
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| 20 | #include "helper.h"
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| 21 |
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| 22 | // ** Helper ************************************************************** /*FOLD00*/
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| 23 |
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| 24 | Helper :: Helper (HWND hwnd)
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| 25 | {
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| 26 | HELPINIT helpInit;
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| 27 | PPIB ppib;
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| 28 | char *ptr;
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| 29 |
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| 30 | // get the Process Information Block
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| 31 | DosGetInfoBlocks(0, &ppib);
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| 32 |
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| 33 | // get a pointer to the environment
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| 34 | ptr = ppib->pib_pchenv;
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| 35 |
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| 36 | // loop through the environment strings to find
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| 37 | // the null string that terminates it
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| 38 | while (*ptr)
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| 39 | ptr = strchr(ptr, 0) + 1;
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| 40 |
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| 41 | // the exe's fully-qualified filename starts at the next character
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| 42 | ptr++;
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| 43 |
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| 44 | // if we return because of an error, Help will be disabled
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| 45 | fHelpEnabled = TRUE;
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| 46 |
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| 47 | // inititalize help init structure
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| 48 | helpInit.cb = sizeof (HELPINIT);
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| 49 | helpInit.ulReturnCode = 0L;
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| 50 | helpInit.pszTutorialName = PSZ (NULL);
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| 51 | helpInit.phtHelpTable = PHELPTABLE (MAKELONG (MAIN_HELP_TABLE,
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| 52 | 0xFFFF));
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| 53 | helpInit.hmodHelpTableModule = GETMODULE;
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| 54 | helpInit.hmodAccelActionBarModule = GETMODULE;
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| 55 | helpInit.idAccelTable = 0;
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| 56 | helpInit.idActionBar = 0;
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| 57 | #ifdef _QUIET_
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| 58 | helpInit.pszHelpWindowTitle = PSZ (PSZ_QNAMEVERSION);
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| 59 | #else
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| 60 | helpInit.pszHelpWindowTitle = PSZ (PSZ_NAMEVERSION);
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| 61 | #endif
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| 62 | helpInit.fShowPanelId = CMIC_HIDE_PANEL_ID;
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| 63 |
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| 64 | CHAR fullExeName[CCHMAXPATH];
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| 65 | CHAR *p;;
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| 66 | strcpy(fullExeName, ptr);
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| 67 | p = strrchr(fullExeName, '\\');
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| 68 | if (p)
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| 69 | *p = 0;
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| 70 | CHAR ach[_MAX_FNAME+_MAX_EXT];
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| 71 | sprintf (ach, "%s\\%s.hlp", fullExeName, pset->QueryString (SEI_LANGUAGEHELP));
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| 72 | helpInit.pszHelpLibraryName = PSZ (ach);
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| 73 |
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| 74 | // create the help instance
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| 75 | hwndHelpInstance = WinCreateHelpInstance (hab, &helpInit);
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| 76 | if (!hwndHelpInstance || helpInit.ulReturnCode)
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| 77 | {
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| 78 | DisplayError (RSTR (IDS_ERROR_HELPERHEADING),
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| 79 | RSTR (IDS_ERROR_COULDNOTINITHELPFILE), ach);
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| 80 | fHelpEnabled = FALSE;
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| 81 | }
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| 82 |
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| 83 | // associate help instance with main frame
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| 84 | if (! WinAssociateHelpInstance (hwndHelpInstance, hwnd))
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| 85 | {
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| 86 | DisplayError (RSTR (IDS_ERROR_HELPERHEADING),
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| 87 | RSTR (IDS_ERROR_COULDNOTINITHELP));
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| 88 | fHelpEnabled = FALSE;
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| 89 | }
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| 90 | }
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| 91 |
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| 92 | // ** ~Helper ************************************************************* /*FOLD00*/
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| 93 |
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| 94 | Helper :: ~Helper (VOID)
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| 95 | {
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| 96 | if (hwndHelpInstance)
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| 97 | WinDestroyHelpInstance (hwndHelpInstance);
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| 98 | }
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| 99 |
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| 100 | // ** DisplayPanel ******************************************************** /*FOLD00*/
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| 101 |
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| 102 | VOID Helper :: DisplayPanel (SHORT idPanel)
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| 103 | {
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| 104 | if (fHelpEnabled)
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| 105 | {
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| 106 | WinPostMsg (hwndHelpInstance, HM_DISPLAY_HELP,
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| 107 | MPFROMSHORT (idPanel), MPFROMSHORT (HM_RESOURCEID));
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| 108 | }
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| 109 | }
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| 110 |
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| 111 | #if 0
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| 112 | VOID Helper :: ChangeActiveWindow (HWND hwnd)
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| 113 | {
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| 114 | if (fHelpEnabled)
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| 115 | {
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| 116 | WinPostMsg (hwndHelpInstance, HM_SET_ACTIVE_WINDOW,
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| 117 | MPFROMHWND (hwnd), MPFROMHWND (NULL));
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| 118 | }
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| 119 | }
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| 120 | #endif
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| 121 | // ************************************************************************
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