// Created: 16/04/2000
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation "helpchm.h"
+ #pragma implementation "helpchm.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#ifndef WX_PRECOMP
-#include "wx/defs.h"
-#endif
+#if wxUSE_HELP && wxUSE_MS_HTML_HELP && defined(__WIN95__)
#include "wx/filefn.h"
-
-#if wxUSE_HELP && wxUSE_MS_HTML_HELP && defined(__WIN95__)
#include "wx/msw/helpchm.h"
+
#include "wx/dynlib.h"
-
+
#ifndef WX_PRECOMP
-#include <windows.h>
+ #include "wx/intl.h"
+ #include "wx/app.h"
#endif
-// This is found in the HTML Help Workshop installation,
-// along with htmlhelp.lib.
-#include <htmlhelp.h>
-
-#include <time.h>
-
-#ifdef __WXMSW__
#include "wx/msw/private.h"
-#endif
-#include <string.h>
+// instead of including htmlhelp.h, duplicate the things from it we need here
+enum
+{
+ HH_DISPLAY_TOPIC,
+ HH_DISPLAY_TOC,
+ HH_DISPLAY_INDEX,
+ HH_DISPLAY_SEARCH,
+ HH_SET_WIN_TYPE,
+ HH_GET_WIN_TYPE,
+ HH_GET_WIN_HANDLE,
+ HH_ENUM_INFO_TYPE,
+ HH_SET_INFO_TYPE,
+ HH_SYNC,
+ HH_RESERVED1,
+ HH_RESERVED2,
+ HH_RESERVED3,
+ HH_KEYWORD_LOOKUP,
+ HH_DISPLAY_TEXT_POPUP,
+ HH_HELP_CONTEXT,
+ HH_TP_HELP_CONTEXTMENU,
+ HH_TP_HELP_WM_HELP,
+ HH_CLOSE_ALL,
+ HH_ALINK_LOOKUP,
+ HH_GET_LAST_ERROR,
+ HH_ENUM_CATEGORY,
+ HH_ENUM_CATEGORY_IT,
+ HH_RESET_IT_FILTER,
+ HH_SET_INCLUSIVE_FILTER,
+ HH_SET_EXCLUSIVE_FILTER
+};
+
+struct HH_POPUP
+{
+ int cbStruct;
+ HINSTANCE hinst;
+ UINT idString;
+ LPCTSTR pszText;
+ POINT pt;
+ COLORREF clrForeground;
+ COLORREF clrBackground;
+ RECT rcMargins;
+ LPCTSTR pszFont;
+};
+
+struct HH_AKLINK
+{
+ int cbStruct;
+ BOOL fReserved;
+ LPCTSTR pszKeywords;
+ LPCTSTR pszUrl;
+ LPCTSTR pszMsgText;
+ LPCTSTR pszMsgTitle;
+ LPCTSTR pszWindow;
+ BOOL fIndexOnFail;
+};
+
+// ----------------------------------------------------------------------------
// utility functions to manage the loading/unloading
// of hhctrl.ocx
+// ----------------------------------------------------------------------------
+
#ifndef UNICODE
-typedef HWND ( WINAPI * HTMLHELP )( HWND, LPCSTR, UINT, DWORD );
-#define HTMLHELP_NAME "HtmlHelpA"
-#else
-typedef HWND ( WINAPI * HTMLHELP )( HWND, LPCWSTR, UINT, DWORD );
-#define HTMLHELP_NAME "HtmlHelpW"
+ typedef HWND ( WINAPI * HTMLHELP )( HWND, LPCSTR, UINT, DWORD );
+ #define HTMLHELP_NAME "HtmlHelpA"
+#else // ANSI
+ typedef HWND ( WINAPI * HTMLHELP )( HWND, LPCWSTR, UINT, DWORD );
+ #define HTMLHELP_NAME "HtmlHelpW"
#endif
-// dll handle/reference count
+
+// dll symbol handle
static HTMLHELP gs_htmlHelp = 0;
-static wxDllType gs_dllHandle = 0;
-static int gs_dllCount = 0;
static bool LoadHtmlHelpLibrary()
{
- if( !gs_dllCount )
- {
- gs_dllHandle = wxDllLoader::LoadLibrary( "hhctrl.ocx" );
- if( !gs_dllHandle )
- {
- wxLogError(_("MS HTML Help functions are unavailable because the MS HTML Help library is not installed on this machine. Please install it."));
- return FALSE;
- }
- else
- {
- gs_dllCount = 1;
- gs_htmlHelp = (HTMLHELP)wxDllLoader::GetSymbol( gs_dllHandle, HTMLHELP_NAME );
-
- if( !gs_htmlHelp )
- {
- wxLogError(_("Failed to initialize MS HTML Help."));
-
- wxDllLoader::UnloadLibrary(gs_dllHandle);
- gs_dllHandle = 0;
- gs_dllCount = 0;
+ wxPluginLibrary *lib = wxPluginManager::LoadLibrary( _T("HHCTRL.OCX"), wxDL_DEFAULT | wxDL_VERBATIM );
- return FALSE ;
- }
- }
+ if( !lib )
+ {
+ wxLogError(_("MS HTML Help functions are unavailable because the MS HTML Help library is not installed on this machine. Please install it."));
+ return FALSE;
}
else
{
- ++gs_dllCount;
+ gs_htmlHelp = (HTMLHELP)lib->GetSymbol( HTMLHELP_NAME );
+
+ if( !gs_htmlHelp )
+ {
+ wxLogError(_("Failed to initialize MS HTML Help."));
+
+ lib->UnrefLib();
+ return FALSE ;
+ }
}
return TRUE;
static void UnloadHtmlHelpLibrary()
{
- if( gs_dllCount != 0 && !--gs_dllCount )
+ if ( gs_htmlHelp )
{
- wxDllLoader::UnloadLibrary( gs_dllHandle );
- gs_dllHandle = 0;
+ wxPluginManager::UnloadLibrary( _T("HHCTRL.OCX") );
+
gs_htmlHelp = 0;
}
}
wxString str = GetValidFilename(m_helpFile);
- gs_htmlHelp(GetSuitableHWND(), (const wxChar*) str, HH_HELP_FINDER, 0L);
+ gs_htmlHelp(GetSuitableHWND(), (const wxChar*) str, HH_DISPLAY_TOPIC, 0L);
return TRUE;
}
bool wxCHMHelpController::Quit()
{
gs_htmlHelp(GetSuitableHWND(), 0, HH_CLOSE_ALL, 0L);
- UnloadHtmlHelpLibrary();
return TRUE;
}
return fullName;
}
+wxCHMHelpController::~wxCHMHelpController()
+{
+ UnloadHtmlHelpLibrary();
+}
+
#endif // wxUSE_HELP
+