fix(wayland): 导出模块够不着的八个 static inline 函数

pkgs/f/freedesktop.wayland-cursor.lua

@@ -59,10 +59,10 @@ package = {
         linux = {
             ["1.26.0"] = {
                 url = {
-                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp3.tar.gz",
-                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp3.tar.gz",
+                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp4.tar.gz",
+                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp4.tar.gz",
                 },
-                sha256 = "b95537b21b0df2119a84ec8b3b833a564259e52fbbe2b119c5f9dd7cbaad55a0",
+                sha256 = "9bce2cc00c61399a3c2fb15e730b664073694154860bc5e2b4496bcf09e55e52",
             },
         },
     },

pkgs/f/freedesktop.wayland-egl.lua

@@ -39,10 +39,10 @@ package = {
         linux = {
             ["1.26.0"] = {
                 url = {
-                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp3.tar.gz",
-                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp3.tar.gz",
+                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp4.tar.gz",
+                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp4.tar.gz",
                 },
-                sha256 = "b95537b21b0df2119a84ec8b3b833a564259e52fbbe2b119c5f9dd7cbaad55a0",
+                sha256 = "9bce2cc00c61399a3c2fb15e730b664073694154860bc5e2b4496bcf09e55e52",
             },
         },
     },

pkgs/f/freedesktop.wayland-scanner.lua

@@ -33,10 +33,10 @@ package = {
         linux = {
             ["1.26.0"] = {
                 url = {
-                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp3.tar.gz",
-                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp3.tar.gz",
+                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp4.tar.gz",
+                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp4.tar.gz",
                 },
-                sha256 = "b95537b21b0df2119a84ec8b3b833a564259e52fbbe2b119c5f9dd7cbaad55a0",
+                sha256 = "9bce2cc00c61399a3c2fb15e730b664073694154860bc5e2b4496bcf09e55e52",
             },
         },
     },

pkgs/f/freedesktop.wayland-server.lua

@@ -20,6 +20,21 @@
 -- `libwayland-server.so.0` are distinct SONAMEs that Mesa's libEGL_mesa needs
 -- BOTH of, and mcpp links every library target in a package against all of its
 -- sources — so one package cannot emit two libraries with disjoint contents.
+--
+-- ─────────────────────────────────────────────────────────────────────────
+-- ⭐ wl_signal_* 在 mcpp4 之前够不着(已修复)
+--
+-- `wayland-server-core.h` 把 wl_signal_init / _add / _get / _emit 定义成
+-- `static inline` —— 内部链接,C++ 禁止从模块导出。于是走**模块路线**的消费者
+-- 一个都拿不到。
+--
+-- 这不是边角:每一次 wlroots 监听注册都是
+-- `wl_signal_add(&thing->events.x, &listener)`,所以**用模块写不了合成器**。
+--
+-- ⚠️ 一直没发现,是因为这个包的测试从没调用过其中任何一个。缺口是从**外面**
+-- 被问出来的 —— 一个最小 wlroots 合成器编不过。同一类问题在
+-- `freedesktop.cairo`(少 cairo_t)和 `displayinfo`(少 295 个枚举量)上都出现
+-- 过,发现方式也一样:**自己的测试问不出来,别的包在真实用途里能。**
 package = {
     spec        = "1",
     namespace   = "freedesktop",
@@ -33,10 +48,10 @@ package = {
         linux = {
             ["1.26.0"] = {
                 url = {
-                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp3.tar.gz",
-                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp3.tar.gz",
+                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp4.tar.gz",
+                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp4.tar.gz",
                 },
-                sha256 = "b95537b21b0df2119a84ec8b3b833a564259e52fbbe2b119c5f9dd7cbaad55a0",
+                sha256 = "9bce2cc00c61399a3c2fb15e730b664073694154860bc5e2b4496bcf09e55e52",
             },
         },
     },

pkgs/f/freedesktop.wayland-util.lua

@@ -33,10 +33,10 @@ package = {
         linux = {
             ["1.26.0"] = {
                 url = {
-                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp3.tar.gz",
-                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp3.tar.gz",
+                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp4.tar.gz",
+                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp4.tar.gz",
                 },
-                sha256 = "b95537b21b0df2119a84ec8b3b833a564259e52fbbe2b119c5f9dd7cbaad55a0",
+                sha256 = "9bce2cc00c61399a3c2fb15e730b664073694154860bc5e2b4496bcf09e55e52",
             },
         },
     },

pkgs/f/freedesktop.wayland.lua

@@ -20,6 +20,18 @@
 -- `libwayland-server.so.0` are distinct SONAMEs that Mesa's libEGL_mesa needs
 -- BOTH of, and mcpp links every library target in a package against all of its
 -- sources — so one package cannot emit two libraries with disjoint contents.
+--
+-- ─────────────────────────────────────────────────────────────────────────
+-- ⭐ wl_fixed_* 在 mcpp4 之前够不着(已修复)
+--
+-- `wayland-util.h` 把四个定点数转换定义成 `static inline`(内部链接),模块
+-- 无法导出。而 `wl_fixed_t` 是协议里**每一个亚像素坐标**的载体 —— wl_pointer
+-- 的移动、触摸点、数位板轴 —— 所以走模块路线的客户端**处理不了输入事件**。
+--
+-- ⚠️ 它们放在**这个**模块而不是 `freedesktop.wayland.util`:那个模块是和头文件
+-- **配对**设计的(只出宏和模板,零个 `using ::`),加同名实体会让每次调用在
+-- clang 上 `ambiguous`。也没有同时放进 server —— 两个模块各自的实体,对同时
+-- import 两者的 TU 一样是二义。三个模块同时 import 已在两条工具链上实测。
 package = {
     spec        = "1",
     namespace   = "freedesktop",
@@ -33,10 +45,10 @@ package = {
         linux = {
             ["1.26.0"] = {
                 url = {
-                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp3.tar.gz",
-                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp3.tar.gz",
+                    GLOBAL = "https://github.com/mcpplibs/wayland/releases/download/v1.26.0/wayland-1.26.0-mcpp4.tar.gz",
+                    CN     = "https://gitcode.com/mcpp-res/wayland/releases/download/1.26.0/wayland-1.26.0-mcpp4.tar.gz",
                 },
-                sha256 = "b95537b21b0df2119a84ec8b3b833a564259e52fbbe2b119c5f9dd7cbaad55a0",
+                sha256 = "9bce2cc00c61399a3c2fb15e730b664073694154860bc5e2b4496bcf09e55e52",
             },
         },
     },

tests/examples/wayland/tests/modules.cpp

@@ -92,6 +92,26 @@ int main()
               "WL_MARSHAL_FLAG_DESTROY keeps upstream's value");
     }
 
+    // ⭐ 这八个函数在 mcpp4 之前根本够不着(`static inline` 无法从模块导出),
+    // 而**没有任何测试调用过它们**,所以谁都没发现。缺口是从外面被一个最小
+    // wlroots 合成器问出来的。下面每一行都是"再塌陷就编译不过"的探针。
+    {
+        // wayland-util.h 的定点数 —— 协议里每个亚像素坐标的载体
+        check(wl_fixed_from_int(3) == 768, "wl_fixed_from_int");
+        check(wl_fixed_to_double(wl_fixed_from_double(1.5)) == 1.5, "wl_fixed double 往返");
+        check(wl_fixed_from_double(-1.5) == -384, "负数按上游 round() 舍入");
+
+        // wayland-server-core.h 的 signal —— 每次 wlroots 挂监听都要它
+        wl_signal sig{};
+        wl_signal_init(&sig);
+        check(sig.listener_list.next == &sig.listener_list, "wl_signal_init");
+        wl_listener l{};
+        l.notify = [](wl_listener *, void *) {};
+        wl_signal_add(&sig, &l);
+        check(wl_signal_get(&sig, l.notify) == &l, "wl_signal_add + wl_signal_get");
+        wl_list_remove(&l.link);
+    }
+
     std::printf("\n%d check(s) failed\n", failures);
     return failures == 0 ? 0 : 1;
 }