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90 lines
1.8 KiB
C++
90 lines
1.8 KiB
C++
#include <cstdlib>
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#include <iostream>
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#include <memory>
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#include <functional>
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#include <thread>
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#include <chrono>
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#include <spdlog/spdlog.h>
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#include "shared_x11.h"
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#include "loaders/loader_x11.h"
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using namespace std::chrono_literals;
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static std::unique_ptr<Display, std::function<void(Display*)>> display;
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char keys_return[32]{};
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class x11_poller
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{
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std::thread thread;
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bool quit;
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void poll()
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{
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while (!quit)
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{
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libx11->XQueryKeymap(get_xdisplay(), keys_return);
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std::this_thread::sleep_for(10ms);
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}
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}
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public:
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std::shared_ptr<libx11_loader> libx11;
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x11_poller(std::shared_ptr<libx11_loader> x) : libx11(x) {}
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void start()
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{
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stop();
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quit = false;
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thread = std::thread(&x11_poller::poll, this);
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}
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void stop()
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{
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quit = true;
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if (thread.joinable())
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thread.join();
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}
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};
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bool init_x11() {
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std::shared_ptr<x11_poller> poller;
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static bool failed = false;
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if (failed)
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return false;
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if (display)
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return true;
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if (!g_x11->IsLoaded()) {
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SPDLOG_ERROR("X11 loader failed to load");
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failed = true;
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return false;
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}
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const char *displayid = getenv("DISPLAY");
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if (displayid) {
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poller = std::make_shared<x11_poller>( g_x11 );
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display = { g_x11->XOpenDisplay(displayid),
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[poller](Display* dpy) {
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poller->stop();
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if (dpy)
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poller->libx11->XCloseDisplay(dpy);
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}
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};
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if (display)
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poller->start();
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}
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failed = !display;
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if (failed)
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SPDLOG_ERROR("XOpenDisplay failed to open display '{}'", displayid);
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return !!display;
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}
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Display* get_xdisplay()
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{
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return display.get();
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}
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