X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a72ebcd0917c35e860e5c6c4cc528fefa6fa9cdd..7d40f0a500faebf846c99b992088b17e65c7d4e8:/include/wx/msw/private.h

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 309f4376de..622c3b1544 100644
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -169,9 +169,9 @@ extern LONG APIENTRY _EXPORT
 
 // This one is a macro so that it can be tested with #ifdef, it will be
 // undefined if it cannot be implemented for a given compiler.
-// Vc++, bcc, dmc, ow, mingw, codewarrior (and rsxnt) have _get_osfhandle.
-// Cygwin has get_osfhandle. Others are currently unknown, e.g. Salford,
-// Intel, Visual Age.
+// Vc++, bcc, dmc, ow, mingw akk have _get_osfhandle() and Cygwin has
+// get_osfhandle. Others are currently unknown, e.g. Salford, Intel, Visual
+// Age.
 #if defined(__WXWINCE__)
     #define wxGetOSFHandle(fd) ((HANDLE)fd)
     #define wxOpenOSFHandle(h, flags) ((int)wxPtrToUInt(h))
@@ -181,8 +181,7 @@ extern LONG APIENTRY _EXPORT
    || defined(__BORLANDC__) \
    || defined(__DMC__) \
    || defined(__WATCOMC__) \
-   || defined(__MINGW32__) \
-   || (defined(__MWERKS__) && defined(__MSL__))
+   || defined(__MINGW32__)
     #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd))
     #define wxOpenOSFHandle(h, flags) (_open_osfhandle(wxPtrToUInt(h), flags))
     #define wx_fdopen _fdopen
@@ -418,8 +417,9 @@ private:
 class WindowHDC
 {
 public:
+    WindowHDC() : m_hwnd(NULL), m_hdc(NULL) { }
     WindowHDC(HWND hwnd) { m_hdc = ::GetDC(m_hwnd = hwnd); }
-   ~WindowHDC() { ::ReleaseDC(m_hwnd, m_hdc); }
+   ~WindowHDC() { if ( m_hwnd && m_hdc ) { ::ReleaseDC(m_hwnd, m_hdc); } }
 
     operator HDC() const { return m_hdc; }
 
@@ -454,7 +454,7 @@ private:
     void DoInit(HGDIOBJ hgdiobj) { m_hgdiobj = ::SelectObject(m_hdc, hgdiobj); }
 
 public:
-    SelectInHDC() : m_hdc(NULL) { }
+    SelectInHDC() : m_hdc(NULL), m_hgdiobj(NULL) { }
     SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) { DoInit(hgdiobj); }
 
     void Init(HDC hdc, HGDIOBJ hgdiobj)
@@ -923,6 +923,9 @@ WXDLLIMPEXP_BASE wxWinVersion wxGetWinVersion();
 extern HCURSOR wxGetCurrentBusyCursor();    // from msw/utils.cpp
 extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp
 
+// GetCursorPos can fail without populating the POINT. This falls back to GetMessagePos.
+WXDLLIMPEXP_CORE void wxGetCursorPosMSW(POINT* pt);
+
 WXDLLIMPEXP_CORE void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font);
 WXDLLIMPEXP_CORE void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
 WXDLLIMPEXP_CORE wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);