decompose wl_backend.c: extract wl_atom.c

src/Makefile.am

@@ -166,7 +166,8 @@ wmaker_SOURCES += \
 	backend/wayland/wl_props.c \
 	backend/wayland/wl_client.c \
 	backend/wayland/wl_icccm.c \
-	backend/wayland/wl_framebuf.c
+	backend/wayland/wl_framebuf.c \
+	backend/wayland/wl_atom.c
 endif
 
 if USE_NESTED_FUNC

src/backend/wayland/wl_atom.c

@@ -0,0 +1,15 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <X11/Xlib.h>
+#include "wl_types.h"
+
+unsigned long
+wl_atom_intern(const char *name)
+{
+    /* The WM's own UI runs on XWayland — it needs real X11 atoms for
+     * property operations (WM_STATE, WM_PROTOCOLS, etc.). */
+    if (wl_state.x_display)
+        return (unsigned long)XInternAtom(wl_state.x_display, name, False);
+    return 0;
+}

src/backend/wayland/wl_backend.c

@@ -3110,15 +3110,6 @@ wl_display_default_screen(void)
     return 0;
 }
 
-static unsigned long
-wl_atom_intern(const char *name)
-{
-    /* The WM's own UI runs on XWayland — it needs real X11 atoms for
-     * property operations (WM_STATE, WM_PROTOCOLS, etc.). */
-    if (wl_state.x_display)
-        return (unsigned long)XInternAtom(wl_state.x_display, name, False);
-    return 0;
-}
 
 /* ------------------------------------------------------------------ */
 /* Phase 29+: signalfd-based signal handling                           */

src/backend/wayland/wl_types.h

@@ -498,3 +498,4 @@ extern const struct wlr_buffer_impl frame_buf_impl;
 void fb_attach_tree_listener(struct wl_frame_buf *fb);
 void fb_attach_scene_buf_listener(struct wl_frame_buf *fb);
 void wl_frame_paint_button(WCoreWindow *button, WTexture *texture, unsigned long color, WPixmap *image, int pushed);
+unsigned long wl_atom_intern(const char *name);