X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77ec05d4776a5210c766fcd4b6b2c63a23b1f86a..823c4e96f9656176562b5baf7d1b64a8a3dfb3d8:/include/wx/msw/private.h

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index ff47704cfa..873855f0be 100644
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -174,6 +174,24 @@ extern LONG APIENTRY _EXPORT
 #define wxZeroMemory(obj)   memset((void*) & obj, 0, sizeof(obj))
 #endif
 
+// 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.
+#if defined(__WXWINCE__)
+    #define wxGetOSFHandle(fd) ((HANDLE)fd)
+#elif defined(__CYGWIN__)
+    #define wxGetOSFHandle(fd) ((HANDLE)get_osfhandle(fd))
+#elif defined(__VISUALC__) \
+   || defined(__BORLANDC__) \
+   || defined(__DMC__) \
+   || defined(__WATCOMC__) \
+   || (defined(__GNUWIN32__) || defined(__MINGW32__)) \
+   || (defined(__MWERKS__) && defined(__MSL__))
+    #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd))
+#endif
+
 #if wxUSE_GUI
 
 #include <wx/gdicmn.h>
@@ -397,25 +415,38 @@ private:
    DECLARE_NO_COPY_CLASS(SelectInHDC)
 };
 
+// a class which cleans up any GDI object
+class AutoGDIObject
+{
+protected:
+    AutoGDIObject(HGDIOBJ gdiobj) : m_gdiobj(gdiobj) { }
+    ~AutoGDIObject() { if ( m_gdiobj ) ::DeleteObject(m_gdiobj); }
+
+    HGDIOBJ GetObject() const { return m_gdiobj; }
+
+private:
+    HGDIOBJ m_gdiobj;
+};
+
 // a class for temporary bitmaps
-class CompatibleBitmap
+class CompatibleBitmap : private AutoGDIObject
 {
 public:
     CompatibleBitmap(HDC hdc, int w, int h)
+        : AutoGDIObject(::CreateCompatibleBitmap(hdc, w, h))
     {
-        m_hbmp = ::CreateCompatibleBitmap(hdc, w, h);
     }
 
-    ~CompatibleBitmap()
-    {
-        if ( m_hbmp )
-            ::DeleteObject(m_hbmp);
-    }
+    operator HBITMAP() const { return (HBITMAP)GetObject(); }
+};
 
-    operator HBITMAP() const { return m_hbmp; }
+// class automatically destroys the region object
+class AutoHRGN : private AutoGDIObject
+{
+public:
+    AutoHRGN(HRGN hrgn) : AutoGDIObject(hrgn) { }
 
-private:
-    HBITMAP m_hbmp;
+    operator HRGN() const { return (HRGN)GetObject(); }
 };
 
 // when working with global pointers (which is unfortunately still necessary
@@ -539,8 +570,8 @@ private:
 #define GetHaccel()             ((HACCEL)GetHACCEL())
 #define GetHaccelOf(table)      ((HACCEL)((table).GetHACCEL()))
 
-#define GetHbrush()             ((HPEN)GetResourceHandle())
-#define GetHbrushOf(brush)      ((HPEN)(brush).GetResourceHandle())
+#define GetHbrush()             ((HBRUSH)GetResourceHandle())
+#define GetHbrushOf(brush)      ((HBRUSH)(brush).GetResourceHandle())
 
 #define GetHmenu()              ((HMENU)GetHMenu())
 #define GetHmenuOf(menu)        ((HMENU)menu->GetHMenu())
@@ -551,6 +582,9 @@ private:
 #define GetHfont()              ((HFONT)GetHFONT())
 #define GetHfontOf(font)        ((HFONT)(font).GetHFONT())
 
+#define GetHimagelist()         ((HIMAGELIST)GetHIMAGELIST())
+#define GetHimagelistOf(imgl)   ((HIMAGELIST)imgl->GetHIMAGELIST())
+
 #define GetHpalette()           ((HPALETTE)GetHPALETTE())
 #define GetHpaletteOf(pal)      ((HPALETTE)(pal).GetHPALETTE())
 
@@ -719,5 +753,4 @@ inline void *wxSetWindowUserData(HWND hwnd, void *data)
 
 #endif // wxUSE_GUI
 
-#endif
-    // _WX_PRIVATE_H_
+#endif // _WX_PRIVATE_H_