支持窗口全屏操作

src/atoms.c

@@ -1,9 +1,12 @@
 #include "atoms.h"
 
+#include <stdint.h>
+#include <string.h>
 #include <xcb/xproto.h>
 
 #include "atoms-intern.h"
 #include "utils.h"
+#include "wm.h"
 
 void atoms_init(xcb_connection_t *conn) {
   xcb_intern_atom_cookie_t cookies[countof(ATOM_LIST)];
@@ -12,12 +15,25 @@ void atoms_init(xcb_connection_t *conn) {
     cookies[i] = xcb_intern_atom_unchecked(conn, false, atom.len, atom.name);
   }
 
+  atom_item_t *atom = nullptr;
+  uint32_t supported_length = 0;
+  xcb_atom_t supported_list[countof(ATOM_LIST)] = {XCB_ATOM_NONE};
+
   xcb_intern_atom_reply_t *reply = nullptr;
   for (int i = 0; i < countof(ATOM_LIST); i++) {
     reply = xcb_intern_atom_reply(conn, cookies[i], nullptr);
     if (reply) {
-      *ATOM_LIST[i].atom = reply->atom;
+      atom = &ATOM_LIST[i];
+      *atom->atom = reply->atom;
       p_delete(&reply);
+
+      if (strstr(atom->name, "_NET_") == atom->name) {
+        supported_list[supported_length++] = *atom->atom;
+      }
     }
   }
+
+  xcb_change_property(wm.xcb_conn, XCB_PROP_MODE_REPLACE, wm.screen->root,
+                      _NET_SUPPORTED, XCB_ATOM_ATOM, 32, supported_length,
+                      supported_list);
 }