Patch from Jed Burgess that optionally allows the grid to notify when

[wxWidgets.git] / include / wx / msw / private.h

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index a2ef6bcba4692c82614c234e4f716596d3a326de..c7aebfc709450e436baa71033702bde5d2ec093e 100644 (file)
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -1,7 +1,7 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        private.h
 // Purpose:     Private declarations: as this header is only included by
-//              wxWindows itself, it may contain identifiers which don't start
+//              wxWidgets itself, it may contain identifiers which don't start
 //              with "wx".
 // Author:      Julian Smart
 // Modified by:
@@ -245,7 +245,7 @@ inline void wxCopyRECTToRect(const RECT& r, wxRect& rect)
 extern void HIMETRICToPixel(LONG *x, LONG *y);
 extern void PixelToHIMETRIC(LONG *x, LONG *y);
 
-// Windows convention of the mask is opposed to the wxWindows one, so we need
+// Windows convention of the mask is opposed to the wxWidgets one, so we need
 // to invert the mask each time we pass one/get one to/from Windows
 extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0);
 
@@ -325,7 +325,9 @@ struct WinStruct : public T
     WinStruct()
     {
         ::ZeroMemory(this, sizeof(T));
-        cbSize = sizeof(T);
+
+        // explicit qualification is required here for this to be valid C++
+        this->cbSize = sizeof(T);
     }
 };
 
@@ -346,6 +348,22 @@ private:
     DECLARE_NO_COPY_CLASS(ScreenHDC)
 };
 
+// the same as ScreenHDC but for window DCs
+class WindowHDC
+{
+public:
+    WindowHDC(HWND hwnd) { m_hdc = ::GetDC(m_hwnd = hwnd); }
+   ~WindowHDC() { ::ReleaseDC(m_hwnd, m_hdc); }
+
+    operator HDC() const { return m_hdc; }
+
+private:
+   HWND m_hwnd;
+   HDC m_hdc;
+
+   DECLARE_NO_COPY_CLASS(WindowHDC)
+};
+
 // the same as ScreenHDC but for memory DCs: creates the HDC compatible with
 // the given one (screen by default) in ctor and destroys it in dtor
 class MemoryHDC
@@ -491,7 +509,7 @@ WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
 extern HCURSOR wxGetCurrentBusyCursor();    // from msw/utils.cpp
 extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp
 
-WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font);
+WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font);
 WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
 WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
 WXDLLEXPORT wxFontEncoding wxGetFontEncFromCharSet(int charset);