// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#include "wx/defs.h"
#endif
+#if wxUSE_HELP
+
+#include "wx/filefn.h"
#include "wx/msw/helpwin.h"
-#if wxUSE_HELP
#include <time.h>
#ifdef __WXMSW__
-#include <wx/msw/private.h>
+#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)
+static HWND GetSuitableHWND()
{
- m_helpFile = "";
+ if (wxTheApp->GetTopWindow())
+ return (HWND) wxTheApp->GetTopWindow()->GetHWND();
+ else
+ return GetDesktopWindow();
}
-wxWinHelpController::~wxWinHelpController(void)
-{
-}
+IMPLEMENT_DYNAMIC_CLASS(wxWinHelpController, wxHelpControllerBase)
bool wxWinHelpController::Initialize(const wxString& filename)
{
- m_helpFile = filename;
- return TRUE;
+ m_helpFile = filename;
+ return TRUE;
}
bool wxWinHelpController::LoadFile(const wxString& file)
{
- m_helpFile = file;
- return TRUE;
+ if (!file.IsEmpty())
+ m_helpFile = file;
+ return TRUE;
}
bool wxWinHelpController::DisplayContents(void)
{
- if (m_helpFile == wxT("")) return FALSE;
-
- wxString str = m_helpFile;
- size_t len = str.Length();
- if (!(str[(size_t)(len-1)] == wxT('p') && str[(size_t)(len-2)] == wxT('l') && str[(size_t)(len-3)] == wxT('h') && str[(size_t)(len-4)] == wxT('.')))
- str += wxT(".hlp");
-
- if (wxTheApp->GetTopWindow())
- {
+ if (m_helpFile.IsEmpty()) return FALSE;
+
+ wxString str = GetValidFilename(m_helpFile);
+
#if defined(__WIN95__)
- WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_FINDER, 0L);
+ return (WinHelp(GetSuitableHWND(), (const wxChar*) str, HELP_FINDER, 0L) != 0);
#else
- WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTENTS, 0L);
+ return (WinHelp(GetSuitableHWND(), (const wxChar*) str, HELP_CONTENTS, 0L) != 0);
#endif
- return TRUE;
- }
- return FALSE;
}
bool wxWinHelpController::DisplaySection(int section)
{
// Use context number
- if (m_helpFile == wxT("")) return FALSE;
+ if (m_helpFile.IsEmpty()) return FALSE;
+
+ wxString str = GetValidFilename(m_helpFile);
- wxString str = m_helpFile;
- size_t len = str.Length();
- if (!(str[(size_t)(len-1)] == wxT('p') && str[(size_t)(len-2)] == wxT('l') && str[(size_t)(len-3)] == wxT('h') && str[(size_t)(len-4)] == wxT('.')))
- str += wxT(".hlp");
-
- if (wxTheApp->GetTopWindow())
- {
- WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)section);
- return TRUE;
- }
- return FALSE;
+ return (WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)section) != 0);
}
-bool wxWinHelpController::DisplayBlock(long block)
+bool wxWinHelpController::DisplayContextPopup(int contextId)
{
- // Use context number -- a very rough equivalent to block id!
- if (m_helpFile == wxT("")) return FALSE;
+ if (m_helpFile.IsEmpty()) return FALSE;
+
+ wxString str = GetValidFilename(m_helpFile);
- wxString str = m_helpFile;
- size_t len = str.Length();
- if (!(str[(size_t)(len-1)] == 'p' && str[(size_t)(len-2)] == 'l' && str[(size_t)(len-3)] == 'h' && str[(size_t)(len-4)] == '.'))
- str += wxT(".hlp");
+ return (WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXTPOPUP, (DWORD) contextId) != 0);
+}
- if (wxTheApp->GetTopWindow())
- {
- WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)block);
- return TRUE;
- }
- return FALSE;
+bool wxWinHelpController::DisplayBlock(long block)
+{
+ DisplaySection(block);
+ return TRUE;
}
bool wxWinHelpController::KeywordSearch(const wxString& k)
{
- if (m_helpFile == wxT("")) return FALSE;
-
- wxString str = m_helpFile;
- size_t len = str.Length();
- if (!(str[(size_t)(len-1)] == wxT('p') && str[(size_t)(len-2)] == wxT('l') && str[(size_t)(len-3)] == wxT('h') && str[(size_t)(len-4)] == wxT('.')))
- str += wxT(".hlp");
-
- if (wxTheApp->GetTopWindow())
- {
- WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_PARTIALKEY, (DWORD)(const wxChar*) k);
- return TRUE;
- }
- return FALSE;
+ if (m_helpFile.IsEmpty()) return FALSE;
+
+ wxString str = GetValidFilename(m_helpFile);
+
+ return (WinHelp(GetSuitableHWND(), (const wxChar*) str, HELP_PARTIALKEY, (DWORD)(const wxChar*) k) != 0);
}
// Can't close the help window explicitly in WinHelp
bool wxWinHelpController::Quit(void)
{
- if (wxTheApp->GetTopWindow())
- {
- WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), 0, HELP_QUIT, 0L);
- return TRUE;
- }
- else
- return FALSE;
+ return (WinHelp(GetSuitableHWND(), 0, HELP_QUIT, 0L) != 0);
}
-// Don't get notified of WinHelp quitting
-void wxWinHelpController::OnQuit(void)
+// Append extension if necessary.
+wxString wxWinHelpController::GetValidFilename(const wxString& file) const
{
+ wxString path, name, ext;
+ wxSplitPath(file, & path, & name, & ext);
+
+ wxString fullName;
+ if (path.IsEmpty())
+ fullName = name + wxT(".hlp");
+ else if (path.Last() == wxT('\\'))
+ fullName = path + name + wxT(".hlp");
+ else
+ fullName = path + wxT("\\") + name + wxT(".hlp");
+ return fullName;
}
#endif // wxUSE_HELP