xwayland: move to hyprland impl (#6086)

src/xwayland/Server.hpp

@@ -0,0 +1,48 @@
+#pragma once
+
+#include <array>
+#include "../helpers/signal/Signal.hpp"
+
+struct wl_event_source;
+struct wl_client;
+
+// TODO: add lazy mode
+class CXWaylandServer {
+  public:
+    CXWaylandServer();
+    ~CXWaylandServer();
+
+    // create the server.
+    bool create();
+
+    // starts the server, meant to be called by CXWaylandServer.
+    bool start();
+
+    // called on ready
+    int  ready(int fd, uint32_t mask);
+
+    void die();
+
+    struct {
+        CSignal ready;
+    } events;
+
+    wl_client* xwaylandClient = nullptr;
+
+  private:
+    bool                            tryOpenSockets();
+    void                            runXWayland(int notifyFD);
+
+    pid_t                           serverPID = 0;
+
+    std::string                     displayName;
+    int                             display       = -1;
+    std::array<int, 2>              xFDs          = {-1, -1};
+    std::array<wl_event_source*, 2> xFDReadEvents = {nullptr, nullptr};
+    wl_event_source*                idleSource    = nullptr;
+    wl_event_source*                pipeSource    = nullptr;
+    std::array<int, 2>              xwmFDs        = {-1, -1};
+    std::array<int, 2>              waylandFDs    = {-1, -1};
+
+    friend class CXWM;
+};