MangoHud/src/shared_x11.cpp

#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();
}