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- // OCL - OS/2 Class Library
- // (c) Cubus 1995
- // All Rights Reserved
- // OHelp.cpp
-
- // help for PM applications
-
- /*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Neither the name Cubus nor the name Team OCL may be used to
- * endorse or promote products derived from this software
- * without specific prior written permission.
- * 3. See OCL.INF for a detailed copyright notice.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-
- // $Header: W:/Projects/OCL/Source/rcs/OHelp.cpp 1.50 1996/08/11 23:49:17 B.STEIN Release $
-
- #define __OCL_SOURCE__
-
- #define OINCL_OSTRING
- #define OINCL_BASE
-
- #include <ocl.hpp>
- #include <OHelp.hpp>
-
-
- OHelp::OHelp(const ULONG mainTable, const ULONG errorID)
- : table(mainTable),
- errid(errorID),
- isHlpAvail(FALSE)
- {}
-
-
- OHelp::~OHelp()
- {
- terminateHelp();
- }
-
-
- PSZ OHelp::isOfType() const
- {
- return("OHelp");
- }
-
-
- OHelp& OHelp::terminateHelp()
- {
- if (helpInstance)
- WinDestroyHelpInstance(helpInstance);
- return(*this);
- }
-
-
- OHelp& OHelp::initializeHelp(PSZ helpLibrary,
- PSZ title,
- const HWND associated)
- {
- HELPINIT HelpInit;
-
- if ((isHlpAvail) &&
- (associated == assoc))
- return(*this);
- else
- assoc = associated;
-
- HelpInit.cb = sizeof(HELPINIT);
- HelpInit.ulReturnCode = 0;
- HelpInit.pszTutorialName = (PSZ)NULL;
- HelpInit.phtHelpTable = (PHELPTABLE)MAKEULONG(table, 0xFFFF);
- HelpInit.hmodHelpTableModule = NULLHANDLE;
- HelpInit.hmodAccelActionBarModule = NULLHANDLE;
- HelpInit.idAccelTable = 0;
- HelpInit.idActionBar = 0;
- HelpInit.pszHelpWindowTitle = title;
- HelpInit.pszHelpLibraryName = helpLibrary;
- HelpInit.fShowPanelId = 0;
-
- helpInstance = WinCreateHelpInstance(OApp::current().anchor(), &HelpInit);
-
- if ((!helpInstance) || (HelpInit.ulReturnCode))
- throw OPMException(OCL::error(180), HelpInit.ulReturnCode);
-
- isHlpAvail = (BOOL) WinAssociateHelpInstance(helpInstance, associated);
-
- if(!isHlpAvail)
- throw OPMException(OCL::error(181), 0);
-
- return(*this);
- }
-
-
-
- OHelp& OHelp::helpRequest(const ULONG id)
- {
- if(!isHlpAvail)
- throw OPMException(OCL::error(182), 0);
-
- switch(id)
- {
- case help:
- WinSendMsg(helpInstance, HM_DISPLAY_HELP, NULL, NULL);
- break;
-
- case general:
- WinSendMsg(helpInstance, HM_GENERAL_HELP, NULL, NULL);
- break;
-
- case keys:
- WinSendMsg(helpInstance, HM_KEYS_HELP, NULL, NULL);
- break;
-
- case index:
- WinSendMsg(helpInstance, HM_HELP_INDEX, NULL, NULL);
- break;
-
- case contents:
- WinSendMsg(helpInstance, HM_HELP_CONTENTS, NULL, NULL);
- break;
-
- default:
- WinSendMsg(helpInstance, HM_DISPLAY_HELP, MPFROMSHORT(id), HM_RESOURCEID);
- break;
- }
-
- return(*this);
- }
-
-
- // end of source
-