Get rid of SWP_NOCOPYBITS

CHANGELOG.md

@@ -10,6 +10,14 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 
 # Fixed
 
+- Changed the behavior when setting window positions for yabridge's editor. This
+  may avoid a painfully slow redraw in the _Audio Nebula Aurora FM_ plugin when
+  dragging the editor window around.
+
+## [5.0.1] - 2022-11-14
+
+# Fixed
+
 - Added a temporary workaround for yabridge hanging indefinitely on startup as
   the result of a new bug in Wine 7.21:
   https://bugs.winehq.org/show_bug.cgi?id=53912

src/wine-host/editor.cpp

@@ -461,7 +461,7 @@ void Editor::resize(uint16_t width, uint16_t height) {
         });
         SetWindowPos(win32_window_.handle_, nullptr, 0, 0, 0, 0,
                      SWP_NOSIZE | SWP_NOREDRAW | SWP_NOACTIVATE |
-                         SWP_NOCOPYBITS | SWP_NOOWNERZORDER | SWP_DEFERERASE);
+                         SWP_NOOWNERZORDER | SWP_DEFERERASE);
 
         // Make sure that after the resize the screen coordinates always match
         // up properly. Without this Soundtoys Crystallizer might appear choppy
@@ -1180,7 +1180,7 @@ LRESULT CALLBACK window_proc(HWND handle,
                 handle, GWLP_USERDATA,
                 static_cast<LONG_PTR>(reinterpret_cast<size_t>(editor)));
         } break;
-        // Setting `SWP_NOCOPYBITS` somewhat reduces flickering on
+        // Setting `SWP_DEFERERASE` somewhat reduces flickering on
         // `fix_local_coordinates()` calls with plugins that don't do double
         // buffering since it speeds up the redrawing process.
         case WM_WINDOWPOSCHANGING: {
@@ -1191,7 +1191,7 @@ LRESULT CALLBACK window_proc(HWND handle,
             }
 
             WINDOWPOS* info = reinterpret_cast<WINDOWPOS*>(lParam);
-            info->flags |= SWP_NOCOPYBITS | SWP_DEFERERASE;
+            info->flags |= SWP_DEFERERASE;
         } break;
         case WM_TIMER: {
             auto editor = reinterpret_cast<Editor*>(