Ensure there is valid context for DrawRectangle

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

diff --git a/src/msw/helpwin.cpp b/src/msw/helpwin.cpp
index e5739bad4f5e377e132e49a10ffda7b893636728..f3795942288b2287801f053bfeaaa21534a58016 100644 (file)
--- a/src/msw/helpwin.cpp
+++ b/src/msw/helpwin.cpp
@@ -13,16 +13,15 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
+#if wxUSE_HELP
+
 #ifndef WX_PRECOMP
-#include "wx/defs.h"
 #endif
 
-#if wxUSE_HELP
-
-#include "wx/filefn.h"
+#include "wx/filename.h"
 #include "wx/msw/helpwin.h"
 
 #include <time.h>
@@ -53,37 +52,37 @@ bool wxWinHelpController::Initialize(const wxString& filename)
 
 bool wxWinHelpController::LoadFile(const wxString& file)
 {
-    if (!file.IsEmpty())
+    if (!file.empty())
         m_helpFile = file;
     return true;
 }
 
 bool wxWinHelpController::DisplayContents(void)
 {
-    if (m_helpFile.IsEmpty()) return false;
+    if (m_helpFile.empty()) return false;
 
     wxString str = GetValidFilename(m_helpFile);
 
-    return (WinHelp(GetSuitableHWND(this), (const wxChar*) str, HELP_FINDER, 0L) != 0);
+    return (WinHelp(GetSuitableHWND(this), str.t_str(), HELP_FINDER, 0L) != 0);
 }
 
 bool wxWinHelpController::DisplaySection(int section)
 {
     // Use context number
-    if (m_helpFile.IsEmpty()) return false;
+    if (m_helpFile.empty()) return false;
 
     wxString str = GetValidFilename(m_helpFile);
 
-    return (WinHelp(GetSuitableHWND(this), (const wxChar*) str, HELP_CONTEXT, (DWORD)section) != 0);
+    return (WinHelp(GetSuitableHWND(this), str.t_str(), HELP_CONTEXT, (DWORD)section) != 0);
 }
 
 bool wxWinHelpController::DisplayContextPopup(int contextId)
 {
-    if (m_helpFile.IsEmpty()) return false;
+    if (m_helpFile.empty()) return false;
 
     wxString str = GetValidFilename(m_helpFile);
 
-    return (WinHelp(GetSuitableHWND(this), (const wxChar*) str, HELP_CONTEXTPOPUP, (DWORD) contextId) != 0);
+    return (WinHelp(GetSuitableHWND(this), str.t_str(), HELP_CONTEXTPOPUP, (DWORD) contextId) != 0);
 }
 
 bool wxWinHelpController::DisplayBlock(long block)
@@ -95,27 +94,28 @@ bool wxWinHelpController::DisplayBlock(long block)
 bool wxWinHelpController::KeywordSearch(const wxString& k,
                                         wxHelpSearchMode WXUNUSED(mode))
 {
-    if (m_helpFile.IsEmpty()) return false;
+    if (m_helpFile.empty()) return false;
 
     wxString str = GetValidFilename(m_helpFile);
 
-    return (WinHelp(GetSuitableHWND(this), (const wxChar*) str, HELP_PARTIALKEY, (DWORD)(const wxChar*) k) != 0);
+    return WinHelp(GetSuitableHWND(this), str.t_str(), HELP_PARTIALKEY,
+                   (ULONG_PTR)wxMSW_CONV_LPCTSTR(k)) != 0;
 }
 
 // Can't close the help window explicitly in WinHelp
 bool wxWinHelpController::Quit(void)
 {
-    return (WinHelp(GetSuitableHWND(this), 0, HELP_QUIT, 0L) != 0);
+    return WinHelp(GetSuitableHWND(this), 0, HELP_QUIT, 0) != 0;
 }
 
 // Append extension if necessary.
 wxString wxWinHelpController::GetValidFilename(const wxString& file) const
 {
     wxString path, name, ext;
-    wxSplitPath(file, & path, & name, & ext);
+    wxFileName::SplitPath(file, & path, & name, & ext);
 
     wxString fullName;
-    if (path.IsEmpty())
+    if (path.empty())
         fullName = name + wxT(".hlp");
     else if (path.Last() == wxT('\\'))
         fullName = path + name + wxT(".hlp");