added some wxMSW stuff

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/helpwin.cpp

@@ -0,0 +1,142 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        helpwin.cpp
+// Purpose:     Help system: WinHelp implementation
+// Author:      Julian Smart
+// Modified by:
+// Created:     04/01/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart and Markus Holzem
+// Licence:   	wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "helpwin.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include "wx/defs.h"
+#endif
+
+#include "wx/msw/helpwin.h"
+
+#if USE_HELP
+#include <time.h>
+
+#ifdef __WINDOWS__
+#include <wx/msw/private.h>
+#endif
+
+#include <string.h>
+
+// MAX path length
+#define _MAXPATHLEN 500
+
+// MAX length of Help descriptor
+#define _MAX_HELP_LEN 500
+
+#if !USE_SHARED_LIBRARY
+IMPLEMENT_DYNAMIC_CLASS(wxWinHelpController, wxHelpControllerBase)
+#endif
+
+wxWinHelpController::wxWinHelpController(void)
+{
+  m_helpFile = "";
+}
+
+wxWinHelpController::~wxWinHelpController(void)
+{
+}
+
+bool wxWinHelpController::Initialize(const wxString& filename, int server)
+{
+  m_helpFile = filename;
+  return TRUE;
+}
+
+bool wxWinHelpController::LoadFile(const wxString& file)
+{
+  m_helpFile = file;
+  return TRUE;
+}
+
+bool wxWinHelpController::DisplayContents(void)
+{
+    if (m_helpFile == "") return FALSE;
+
+    char buf[_MAXPATHLEN];
+    strcpy(buf, (const char*) m_helpFile);
+    size_t len = strlen(buf);
+    if (!(buf[len-1] == 'p' && buf[len-2] == 'l' && buf[len-3] == 'h' && buf[len-4] == '.'))
+      strcat(buf, ".hlp");
+    if (wxTheApp->GetTopWindow())
+    {
+#if defined(__WIN95__)
+      WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), buf, HELP_FINDER, 0L);
+#else
+      WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), buf, HELP_CONTENTS, 0L);
+#endif
+     return TRUE;
+    }
+	return FALSE;
+}
+
+bool wxWinHelpController::DisplaySection(int section)
+{
+  // No WinHelp equivalent for this
+  return FALSE;
+}
+
+bool wxWinHelpController::DisplayBlock(long block)
+{
+    // Use context number -- a very rough equivalent to block id!
+    if (!m_helpFile) return FALSE;
+
+    char buf[_MAXPATHLEN];
+    strcpy(buf, m_helpFile);
+    size_t len = strlen(buf);
+    if (!(buf[len-1] == 'p' && buf[len-2] == 'l' && buf[len-3] == 'h' && buf[len-4] == '.'))
+      strcat(buf, ".hlp");
+    if (wxTheApp->GetTopWindow())
+	{
+      WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), buf, HELP_CONTEXT, (DWORD)block);
+      return TRUE;
+	}
+    return FALSE;
+}
+
+bool wxWinHelpController::KeywordSearch(const wxString& k)
+{
+    if (m_helpFile == "") return FALSE;
+
+    char buf[_MAXPATHLEN];
+    strcpy(buf, m_helpFile);
+    size_t len = strlen(buf);
+    if (!(buf[len-1] == 'p' && buf[len-2] == 'l' && buf[len-3] == 'h' && buf[len-4] == '.'))
+      strcat(buf, ".hlp");
+    if (wxTheApp->GetTopWindow())
+    {
+      WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), buf, HELP_PARTIALKEY, (DWORD)(const char*) k);
+      return TRUE;
+    }
+    return FALSE;
+}
+
+// Can't close the help window explicitly in WinHelp
+bool wxWinHelpController::Quit(void)
+{
+  return TRUE;
+}
+
+// Don't get notified of WinHelp quitting
+void wxWinHelpController::OnQuit(void)
+{
+}
+
+#endif // USE_HELP