added backend and hyprland/window

src/modules/hyprland/window.cpp

@@ -0,0 +1,54 @@
+#include "modules/hyprland/backend.hpp"
+#include "modules/hyprland/window.hpp"
+
+#include <spdlog/spdlog.h>
+
+namespace waybar::modules::hyprland {
+
+Window::Window(const std::string& id, const Bar& bar, const Json::Value& config)
+    : ALabel(config, "window", id, "{}", 0, true), bar_(bar) {
+  modulesReady = true;
+
+  if (!gIPC.get()) {
+    gIPC = std::make_unique<IPC>();
+  }
+
+  label_.hide();
+  ALabel::update();
+
+  // register for hyprland ipc
+  gIPC->registerForIPC("activewindow", [&](const std::string& ev) { this->onEvent(ev); });
+}
+
+void Window::onEvent(const std::string& ev) {
+  auto windowName = ev.substr(ev.find_first_of(',') + 1).substr(0, 256);
+
+  // fix ampersands
+  auto replaceAll = [](std::string str, const std::string& from,
+                       const std::string& to) -> std::string {
+    size_t start_pos = 0;
+    while ((start_pos = str.find(from, start_pos)) != std::string::npos) {
+      str.replace(start_pos, from.length(), to);
+      start_pos += to.length();
+    }
+    return str;
+  };
+
+  windowName = replaceAll(windowName, "&", "&amp;");
+
+  if (windowName == lastView) return;
+
+  lastView = windowName;
+
+  spdlog::debug("hyprland window onevent with {}", windowName);
+
+  if (!format_.empty()) {
+    label_.show();
+    label_.set_markup(fmt::format(format_, windowName));
+  } else {
+    label_.hide();
+  }
+
+  ALabel::update();
+}
+}