fix docs compliance for CF_HDROP

Tests/test_imagegrab.py

@@ -1,3 +1,4 @@
+import os
 import subprocess
 import sys
 
@@ -79,7 +80,8 @@ $bmp = New-Object Drawing.Bitmap 200, 200
         p.communicate()
 
         im = ImageGrab.grabclipboard()
-        assert_image_equal_tofile(im, "Tests/images/hopper.gif")
+        assert len(im) == 1
+        assert os.path.samefile(im[0], "Tests/images/hopper.gif")
 
     @pytest.mark.skipif(sys.platform != "win32", reason="Windows only")
     def test_grabclipboard_png(self):

src/PIL/ImageGrab.py

@@ -93,15 +93,20 @@ def grabclipboard():
         os.unlink(filepath)
         return im
     elif sys.platform == "win32":
-        import io
-
         fmt, data = Image.core.grabclipboard_win32()
-        if isinstance(data, str):
-            if fmt == "file":
-                with open(data, "rb") as f:
-                    im = Image.open(io.BytesIO(f.read()))
-                return im
+        if fmt == "file":  # CF_HDROP
+            import struct
+
+            o = struct.unpack_from("I", data)[0]
+            if data[16] != 0:
+                files = data[o:].decode("utf-16le").split("\0")
+                return files[: files.index("")]
+            else:
+                files = data[o:].decode("mbcs").split("\0")
+                return files[: files.index("")]
         if isinstance(data, bytes):
+            import io
+
             data = io.BytesIO(data)
             if fmt == "png":
                 from . import PngImagePlugin

src/display.c

@@ -32,7 +32,6 @@
 
 #ifdef _WIN32
 
-#include <Shlobj.h>
 #include "ImDib.h"
 
 #if SIZEOF_VOID_P == 8
@@ -504,27 +503,6 @@ PyImaging_GrabClipboardWin32(PyObject* self, PyObject* args)
         return Py_BuildValue("zO", NULL, Py_None);
     }
 
-    if (formats[format] == CF_HDROP) {
-        LPDROPFILES files = (LPDROPFILES)GlobalLock(handle);
-        size = GlobalSize(handle);
-
-        if (files->fWide) {
-            LPCWSTR filename = (LPCWSTR)(((char*)files) + files->pFiles);
-            size = wcsnlen(filename, (size - files->pFiles) / 2);
-            result = Py_BuildValue("zu#", "file", filename, size);
-        }
-        else {
-            LPCSTR filename = (LPCSTR)(((char*)files) + files->pFiles);
-            size = strnlen(filename, size - files->pFiles);
-            result = Py_BuildValue("zs#", "file", filename, size);
-        }
-
-        GlobalUnlock(handle);
-        CloseClipboard();
-
-        return result;
-    }
-
     data = GlobalLock(handle);
     size = GlobalSize(handle);