tray: drop std::filesystem dependency

include/factory.hpp

@@ -14,7 +14,7 @@
 #include "modules/idle_inhibitor.hpp"
 #include "modules/memory.hpp"
 #include "modules/disk.hpp"
-#if defined(HAVE_DBUSMENU) && !defined(NO_FILESYSTEM)
+#ifdef HAVE_DBUSMENU
 #include "modules/sni/tray.hpp"
 #endif
 #ifdef HAVE_LIBNL

include/modules/sni/item.hpp

@@ -10,11 +10,6 @@
 #include <json/json.h>
 #include <libdbusmenu-gtk/dbusmenu-gtk.h>
 #include <sigc++/trackable.h>
-#ifdef FILESYSTEM_EXPERIMENTAL
-#include <experimental/filesystem>
-#else
-#include <filesystem>
-#endif
 
 namespace waybar::modules::SNI {
 

src/factory.cpp

@@ -38,7 +38,7 @@ waybar::AModule* waybar::Factory::makeModule(const std::string& name) const {
     if (ref == "disk") {
       return new waybar::modules::Disk(id, config_[name]);
     }
-#if defined(HAVE_DBUSMENU) && !defined(NO_FILESYSTEM)
+#ifdef HAVE_DBUSMENU
     if (ref == "tray") {
       return new waybar::modules::SNI::Tray(id, bar_, config_[name]);
     }

src/modules/sni/item.cpp

@@ -1,6 +1,7 @@
 #include "modules/sni/item.hpp"
 #include <glibmm/main.h>
 #include <spdlog/spdlog.h>
+#include <fstream>
 
 template <>
 struct fmt::formatter<Glib::ustring> : formatter<std::string> {
@@ -256,11 +257,8 @@ void Item::updateImage() {
   if (!icon_name.empty()) {
     try {
       // Try to find icons specified by path and filename
-#ifdef FILESYSTEM_EXPERIMENTAL
-      if (std::experimental::filesystem::exists(icon_name)) {
-#else
-      if (std::filesystem::exists(icon_name)) {
-#endif
+      std::ifstream temp(icon_name);
+      if (temp.is_open()) {
         auto pixbuf = Gdk::Pixbuf::create_from_file(icon_name);
         if (pixbuf->gobj() != nullptr) {
           // An icon specified by path and filename may be the wrong size for