X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a27cbf44fcdbdea10b0f85bd97836a70c4661f6a..f23b6f74bbf43799594924e94382b13587b4a57e:/include/wx/msw/private.h?ds=sidebyside

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 873855f0be..a2a08d8316 100644
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -244,15 +244,26 @@ struct WXDLLEXPORT wxCOLORMAP
 extern wxCOLORMAP *wxGetStdColourMap();
 
 // create a wxRect from Windows RECT
-inline wxRect wxRectFromRECT(const RECT& r)
+inline wxRect wxRectFromRECT(const RECT& rc)
 {
-    return wxRect(r.left, r.top, r.right - r.left, r.bottom - r.top);
+    return wxRect(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
 }
 
 // copy Windows RECT to our wxRect
-inline void wxCopyRECTToRect(const RECT& r, wxRect& rect)
+inline void wxCopyRECTToRect(const RECT& rc, wxRect& rect)
 {
-    rect = wxRectFromRECT(r);
+    rect = wxRectFromRECT(rc);
+}
+
+// and vice versa
+inline void wxCopyRectToRECT(const wxRect& rect, RECT& rc)
+{
+    // note that we don't use wxRect::GetRight() as it is one of compared to
+    // wxRectFromRECT() above
+    rc.top = rect.y;
+    rc.left = rect.x;
+    rc.right = rect.x + rect.width;
+    rc.bottom = rect.y + rect.height;
 }
 
 // translations between HIMETRIC units (which OLE likes) and pixels (which are
@@ -449,6 +460,28 @@ public:
     operator HRGN() const { return (HRGN)GetObject(); }
 };
 
+// class sets the specified clipping region during its life time
+class HDCClipper
+{
+public:
+    HDCClipper(HDC hdc, HRGN hrgn)
+        : m_hdc(hdc)
+    {
+        if ( !::SelectClipRgn(hdc, hrgn) )
+            wxLogLastError(_T("SelectClipRgn"));
+    }
+
+    ~HDCClipper()
+    {
+        ::SelectClipRgn(m_hdc, NULL);
+    }
+
+private:
+    HDC m_hdc;
+
+    DECLARE_NO_COPY_CLASS(HDCClipper)
+};
+
 // when working with global pointers (which is unfortunately still necessary
 // sometimes, e.g. for clipboard) it is important to unlock them exactly as
 // many times as we lock them which just asks for using a "smart lock" class
@@ -689,6 +722,14 @@ extern WXDLLEXPORT wxSize wxGetHiconSize(HICON hicon);
 // Lines are drawn differently for WinCE and regular WIN32
 WXDLLEXPORT void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2);
 
+// fill the client rect of the given window on the provided dc using this brush
+inline void wxFillRect(HWND hwnd, HDC hdc, HBRUSH hbr)
+{
+    RECT rc;
+    ::GetClientRect(hwnd, &rc);
+    ::FillRect(hdc, &rc, hbr);
+}
+
 // ----------------------------------------------------------------------------
 // 32/64 bit helpers
 // ----------------------------------------------------------------------------