Shared X11 intialization functions

src/shared_x11.cpp

@@ -0,0 +1,34 @@
+#include "shared_x11.h"
+#include "loaders/loader_x11.h"
+#include <cstdlib>
+#include <iostream>
+#include <memory>
+#include <functional>
+
+static std::unique_ptr<Display, std::function<void(Display*)>> display;
+
+bool init_x11() {
+    static bool failed = false;
+    if (failed || !g_x11->IsLoaded())
+        return false;
+
+    if (display)
+        return true;
+
+    const char *displayid = getenv("DISPLAY");
+    auto local_x11 = g_x11;
+    display = { g_x11->XOpenDisplay(displayid),
+        [local_x11](Display* dpy) {
+            if (dpy)
+                local_x11->XCloseDisplay(dpy);
+        }
+    };
+
+    failed = !display;
+    return failed;
+}
+
+Display* get_xdisplay()
+{
+    return display.get();
+}

src/shared_x11.h

@@ -0,0 +1,5 @@
+#pragma once
+#include <X11/Xlib.h>
+
+Display* get_xdisplay();
+bool init_x11();