Replace parts of the Xlib backend with x11-rb

src/platform_impl/linux/x11/atoms.rs

@@ -0,0 +1,110 @@
+//! Collects every atom used by the platform implementation.
+
+use core::ops::Index;
+
+macro_rules! atom_manager {
+    ($($name:ident $(:$lit:literal)?),*) => {
+        x11rb::atom_manager! {
+            /// The atoms used by `winit`
+            pub(crate) Atoms: AtomsCookie {
+                $($name $(:$lit)?,)*
+            }
+        }
+
+        /// Indices into the `Atoms` struct.
+        #[derive(Copy, Clone, Debug)]
+        #[allow(non_camel_case_types)]
+        pub(crate) enum AtomName {
+            $($name,)*
+        }
+
+        impl AtomName {
+            pub(crate) fn atom_from(
+                self,
+                atoms: &Atoms
+            ) -> &x11rb::protocol::xproto::Atom {
+                match self {
+                    $(AtomName::$name => &atoms.$name,)*
+                }
+            }
+        }
+    };
+}
+
+atom_manager! {
+    // General Use Atoms
+    CARD32,
+    UTF8_STRING,
+    WM_CHANGE_STATE,
+    WM_CLIENT_MACHINE,
+    WM_DELETE_WINDOW,
+    WM_PROTOCOLS,
+    WM_STATE,
+    XIM_SERVERS,
+
+    // Assorted ICCCM Atoms
+    _NET_WM_ICON,
+    _NET_WM_MOVERESIZE,
+    _NET_WM_NAME,
+    _NET_WM_PID,
+    _NET_WM_PING,
+    _NET_WM_STATE,
+    _NET_WM_STATE_ABOVE,
+    _NET_WM_STATE_BELOW,
+    _NET_WM_STATE_FULLSCREEN,
+    _NET_WM_STATE_HIDDEN,
+    _NET_WM_STATE_MAXIMIZED_HORZ,
+    _NET_WM_STATE_MAXIMIZED_VERT,
+    _NET_WM_WINDOW_TYPE,
+
+    // WM window types.
+    _NET_WM_WINDOW_TYPE_DESKTOP,
+    _NET_WM_WINDOW_TYPE_DOCK,
+    _NET_WM_WINDOW_TYPE_TOOLBAR,
+    _NET_WM_WINDOW_TYPE_MENU,
+    _NET_WM_WINDOW_TYPE_UTILITY,
+    _NET_WM_WINDOW_TYPE_SPLASH,
+    _NET_WM_WINDOW_TYPE_DIALOG,
+    _NET_WM_WINDOW_TYPE_DROPDOWN_MENU,
+    _NET_WM_WINDOW_TYPE_POPUP_MENU,
+    _NET_WM_WINDOW_TYPE_TOOLTIP,
+    _NET_WM_WINDOW_TYPE_NOTIFICATION,
+    _NET_WM_WINDOW_TYPE_COMBO,
+    _NET_WM_WINDOW_TYPE_DND,
+    _NET_WM_WINDOW_TYPE_NORMAL,
+
+    // Drag-N-Drop Atoms
+    XdndAware,
+    XdndEnter,
+    XdndLeave,
+    XdndDrop,
+    XdndPosition,
+    XdndStatus,
+    XdndActionPrivate,
+    XdndSelection,
+    XdndFinished,
+    XdndTypeList,
+    TextUriList: b"text/uri-list",
+    None: b"None",
+
+    // Miscellaneous Atoms
+    _GTK_THEME_VARIANT,
+    _MOTIF_WM_HINTS,
+    _NET_ACTIVE_WINDOW,
+    _NET_CLIENT_LIST,
+    _NET_FRAME_EXTENTS,
+    _NET_SUPPORTED,
+    _NET_SUPPORTING_WM_CHECK
+}
+
+impl Index<AtomName> for Atoms {
+    type Output = x11rb::protocol::xproto::Atom;
+
+    fn index(&self, index: AtomName) -> &Self::Output {
+        index.atom_from(self)
+    }
+}
+
+pub(crate) use AtomName::*;
+// Make sure `None` is still defined.
+pub(crate) use core::option::Option::None;