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OS/2 Shareware BBS: 10 Tools
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oclsrc15.zip
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OCL
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OHelp.cpp
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C/C++ Source or Header
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1996-08-12
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4KB
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147 lines
// 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