reset virtual root to NULL in DeleteAllItems()

[wxWidgets.git] / src / msw / helpchm.cpp

diff --git a/src/msw/helpchm.cpp b/src/msw/helpchm.cpp
index 88dff23aab0bda1c4e7f2a596592199340925fce..2871a9f78265dbdcdf7d598f4d6d64c7c7e3fe13 100644 (file)
--- a/src/msw/helpchm.cpp
+++ b/src/msw/helpchm.cpp
@@ -27,64 +27,13 @@
 
 #include "wx/dynlib.h"
 
-#include "wx/msw/private.h"
-
-// instead of including htmlhelp.h, duplicate the things from it we need here
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/app.h"
+#endif
 
-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;
-};
+#include "wx/msw/private.h"
+#include "wx/msw/missing.h"
 
 // ----------------------------------------------------------------------------
 // utility functions to manage the loading/unloading
@@ -93,34 +42,33 @@ struct HH_AKLINK
 
 #ifndef UNICODE
     typedef HWND ( WINAPI * HTMLHELP )( HWND, LPCSTR, UINT, DWORD );
-    #define HTMLHELP_NAME "HtmlHelpA"
+    #define HTMLHELP_NAME wxT("HtmlHelpA")
 #else // ANSI
     typedef HWND ( WINAPI * HTMLHELP )( HWND, LPCWSTR, UINT, DWORD );
-    #define HTMLHELP_NAME "HtmlHelpW"
+    #define HTMLHELP_NAME wxT("HtmlHelpW")
 #endif
 
 // dll symbol handle
 static HTMLHELP gs_htmlHelp = 0;
-static wxPluginLibrary *gs_libHtmlHelp = NULL;
 
 static bool LoadHtmlHelpLibrary()
 {
-    gs_libHtmlHelp = wxPluginManager::LoadLibrary( _T("HHCTRL.OCX"), wxDL_DEFAULT | wxDL_VERBATIM );
+    wxPluginLibrary *lib = wxPluginManager::LoadLibrary( _T("HHCTRL.OCX"), wxDL_DEFAULT | wxDL_VERBATIM );
 
-    if( !gs_libHtmlHelp )
+    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_htmlHelp = (HTMLHELP)gs_libHtmlHelp->GetSymbol( HTMLHELP_NAME );
+        gs_htmlHelp = (HTMLHELP)lib->GetSymbol( HTMLHELP_NAME );
 
         if( !gs_htmlHelp )
         {
             wxLogError(_("Failed to initialize MS HTML Help."));
 
-            gs_libHtmlHelp->UnrefLib();
+            lib->UnrefLib();
             return FALSE ;
         }
     }
@@ -130,10 +78,9 @@ static bool LoadHtmlHelpLibrary()
 
 static void UnloadHtmlHelpLibrary()
 {
-    if( gs_htmlHelp )
+    if ( gs_htmlHelp )
     {
         wxPluginManager::UnloadLibrary( _T("HHCTRL.OCX") );
-        gs_libHtmlHelp->UnrefLib();
 
         gs_htmlHelp = 0;
     }