WindowServer: Fix drawing wallpaper on additional screens

We need to translate the source rectangle relative to the screen
location when blitting from the wallpaper bitmap.

1 files changed, 1 insertions, 1 deletions

diff --git a/Userland/Services/WindowServer/Compositor.cpp b/Userland/Services/WindowServer/Compositor.cpp
index 26e4e74834..40860fa334 100644
--- a/Userland/Services/WindowServer/Compositor.cpp
+++ b/Userland/Services/WindowServer/Compositor.cpp
@@ -320,7 +320,7 @@ void Compositor::compose()
                 painter.draw_tiled_bitmap(rect, *m_wallpaper);
             } else if (m_wallpaper_mode == WallpaperMode::Stretch) {
                 VERIFY(screen.compositor_screen_data().m_wallpaper_bitmap);
-                painter.blit(rect.location(), *screen.compositor_screen_data().m_wallpaper_bitmap, rect);
+                painter.blit(rect.location(), *screen.compositor_screen_data().m_wallpaper_bitmap, rect.translated(-screen.location()));
             } else {
                 VERIFY_NOT_REACHED();
             }