Merge branch 'master' into add-river-layout

2023-02-11 13:22:46 +11:00 · 2023-02-11 13:22:46 +11:00 · 5e4a47c0a8
parent 301b106c48 ea38eec2af
commit 5e4a47c0a8
72 changed files with 1595 additions and 619 deletions
--- a/.envrc.sample
+++ b/.envrc.sample
@ -0,0 +1 @@
+use flake
--- a/.github/workflows/freebsd.yml
+++ b/.github/workflows/freebsd.yml
@ -9,7 +9,7 @@ jobs:
    # https://github.com/actions/virtual-environments/issues/4060 - for lack of VirtualBox on MacOS 11 runners
    runs-on: macos-12
    steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
    - name: Test in FreeBSD VM
      uses: vmactions/freebsd-vm@v0
      with:
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@ -6,7 +6,7 @@ jobs:
  build:
    runs-on: ubuntu-latest
    steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
    - uses: DoozyX/clang-format-lint-action@v0.13
      with:
        source: '.'
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@ -13,16 +13,20 @@ jobs:
          - fedora
          - opensuse
          - gentoo
+        cpp_std: [c++17]
+        include:
+          - distro: fedora
+            cpp_std: c++20

    runs-on: ubuntu-latest
    container:
      image: alexays/waybar:${{ matrix.distro }}

    steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
      - name: configure
-        run: meson -Dman-pages=enabled build
+        run: meson -Dman-pages=enabled -Dcpp_std=${{matrix.cpp_std}} build
      - name: build
        run: ninja -C build
      - name: test
-        run: meson test -C build --no-rebuild --print-errorlogs --suite waybar
+        run: meson test -C build --no-rebuild --verbose --suite waybar
--- a/.gitignore
+++ b/.gitignore
@ -43,3 +43,4 @@ packagecache
 *.exe
 *.out
 *.app
+/.direnv/
--- a/Dockerfiles/archlinux
+++ b/Dockerfiles/archlinux
@ -3,4 +3,5 @@
 FROM archlinux:base-devel

 RUN pacman -Syu --noconfirm && \
-    pacman -S --noconfirm git meson base-devel libinput wayland wayland-protocols pixman libxkbcommon mesa gtkmm3 jsoncpp pugixml scdoc libpulse libdbusmenu-gtk3 libmpdclient gobject-introspection libxkbcommon playerctl
+    pacman -S --noconfirm git meson base-devel libinput wayland wayland-protocols pixman libxkbcommon mesa gtkmm3 jsoncpp pugixml scdoc libpulse libdbusmenu-gtk3 libmpdclient gobject-introspection libxkbcommon playerctl && \
+    sed -Ei 's/#(en_(US|GB)\.UTF)/\1/' /etc/locale.gen && locale-gen
--- a/Dockerfiles/fedora
+++ b/Dockerfiles/fedora
@ -2,12 +2,33 @@

 FROM fedora:latest

-RUN dnf install -y @c-development git-core meson scdoc 'pkgconfig(date)' \
-    'pkgconfig(dbusmenu-gtk3-0.4)' 'pkgconfig(fmt)' 'pkgconfig(gdk-pixbuf-2.0)' \
-    'pkgconfig(gio-unix-2.0)' 'pkgconfig(gtk-layer-shell-0)' 'pkgconfig(gtkmm-3.0)' \
-    'pkgconfig(jsoncpp)' 'pkgconfig(libinput)' 'pkgconfig(libmpdclient)' \
-    'pkgconfig(libnl-3.0)' 'pkgconfig(libnl-genl-3.0)' 'pkgconfig(libpulse)' \
-    'pkgconfig(libudev)' 'pkgconfig(pugixml)' 'pkgconfig(sigc++-2.0)' 'pkgconfig(spdlog)' \
-    'pkgconfig(wayland-client)' 'pkgconfig(wayland-cursor)' 'pkgconfig(wayland-protocols)' 'pkgconfig(xkbregistry)' \
-    'pkgconfig(playerctl)' && \
+RUN dnf install -y @c-development \
+    git-core glibc-langpack-en meson scdoc \
+    'pkgconfig(catch2)' \
+    'pkgconfig(date)' \
+    'pkgconfig(dbusmenu-gtk3-0.4)' \
+    'pkgconfig(fmt)' \
+    'pkgconfig(gdk-pixbuf-2.0)' \
+    'pkgconfig(gio-unix-2.0)' \
+    'pkgconfig(gtk-layer-shell-0)' \
+    'pkgconfig(gtkmm-3.0)' \
+    'pkgconfig(jack)' \
+    'pkgconfig(jsoncpp)' \
+    'pkgconfig(libevdev)' \
+    'pkgconfig(libinput)' \
+    'pkgconfig(libmpdclient)' \
+    'pkgconfig(libnl-3.0)' \
+    'pkgconfig(libnl-genl-3.0)' \
+    'pkgconfig(libpulse)' \
+    'pkgconfig(libudev)' \
+    'pkgconfig(playerctl)' \
+    'pkgconfig(pugixml)' \
+    'pkgconfig(sigc++-2.0)' \
+    'pkgconfig(spdlog)' \
+    'pkgconfig(upower-glib)' \
+    'pkgconfig(wayland-client)' \
+    'pkgconfig(wayland-cursor)' \
+    'pkgconfig(wayland-protocols)' \
+    'pkgconfig(wireplumber-0.4)' \
+    'pkgconfig(xkbregistry)' && \
    dnf clean all -y
--- a/flake.lock
+++ b/flake.lock
@ -0,0 +1,94 @@
+{
+  "nodes": {
+    "devshell": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1667210711,
+        "narHash": "sha256-IoErjXZAkzYWHEpQqwu/DeRNJGFdR7X2OGbkhMqMrpw=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "96a9dd12b8a447840cc246e17a47b81a4268bba7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1642700792,
+        "narHash": "sha256-XqHrk7hFb+zBvRg6Ghl+AZDq03ov6OshJLiSWOoX5es=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "846b2ae0fc4cc943637d3d1def4454213e203cba",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1643381941,
+        "narHash": "sha256-pHTwvnN4tTsEKkWlXQ8JMY423epos8wUOhthpwJjtpc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5efc8ca954272c4376ac929f4c5ffefcc20551d5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1670152712,
+        "narHash": "sha256-LJttwIvJqsZIj8u1LxVRv82vwUtkzVqQVi7Wb8gxPS4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "14ddeaebcbe9a25748221d1d7ecdf98e20e2325e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devshell": "devshell",
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
--- a/flake.nix
+++ b/flake.nix
@ -0,0 +1,65 @@
+{
+  description = "Highly customizable Wayland bar for Sway and Wlroots based compositors.";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    devshell.url = "github:numtide/devshell";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, flake-utils, devshell, nixpkgs }:
+    let
+      inherit (nixpkgs) lib;
+      genSystems = lib.genAttrs [
+        "x86_64-linux"
+      ];
+
+      pkgsFor = genSystems (system:
+        import nixpkgs {
+          inherit system;
+        });
+
+      mkDate = longDate: (lib.concatStringsSep "-" [
+        (builtins.substring 0 4 longDate)
+        (builtins.substring 4 2 longDate)
+        (builtins.substring 6 2 longDate)
+      ]);
+    in
+    {
+      overlays.default = _: prev: rec {
+        waybar = prev.callPackage ./nix/default.nix {
+          version = "0.9.16" + "+date=" + (mkDate (self.lastModifiedDate or "19700101")) + "_" + (self.shortRev or "dirty");
+        };
+      };
+      packages = genSystems
+        (system:
+          (self.overlays.default null pkgsFor.${system})
+          // {
+            default = self.packages.${system}.waybar;
+          });
+    } //
+    flake-utils.lib.eachDefaultSystem (system: {
+      devShell =
+        let pkgs = import nixpkgs {
+          inherit system;
+
+          overlays = [ devshell.overlay ];
+        };
+        in
+        pkgs.devshell.mkShell {
+          imports = [ "${pkgs.devshell.extraModulesDir}/language/c.nix" ];
+          commands = [
+            {
+              package = pkgs.devshell.cli;
+              help = "Per project developer environments";
+            }
+          ];
+          devshell.packages = with pkgs; [
+            clang-tools
+            gdb
+          ];
+          language.c.libraries = with pkgs; [
+          ];
+        };
+    });
+}
--- a/include/AModule.hpp
+++ b/include/AModule.hpp
@ -15,6 +15,7 @@ class AModule : public IModule {
          bool enable_scroll = false);
  virtual ~AModule();
  virtual auto update() -> void;
+  virtual auto refresh(int) -> void{};
  virtual operator Gtk::Widget &();

  Glib::Dispatcher dp;
--- a/include/factory.hpp
+++ b/include/factory.hpp
@ -1,7 +1,7 @@
 #pragma once

 #include <json/json.h>
-#ifdef HAVE_LIBDATE
+#if defined(HAVE_CHRONO_TIMEZONES) || defined(HAVE_LIBDATE)
 #include "modules/clock.hpp"
 #else
 #include "modules/simpleclock.hpp"
--- a/include/modules/backlight.hpp
+++ b/include/modules/backlight.hpp
@ -6,6 +6,7 @@
 #include <vector>

 #include "ALabel.hpp"
+#include "giomm/dbusproxy.h"
 #include "util/json.hpp"
 #include "util/sleeper_thread.hpp"

@ -50,6 +51,8 @@ class Backlight : public ALabel {
  template <class ForwardIt, class Inserter>
  static void enumerate_devices(ForwardIt first, ForwardIt last, Inserter inserter, udev *udev);

+  bool handleScroll(GdkEventScroll *e);
+
  const std::string preferred_device_;
  static constexpr int EPOLL_MAX_EVENTS = 16;

@ -60,5 +63,7 @@ class Backlight : public ALabel {
  std::vector<BacklightDev> devices_;
  // thread must destruct before shared data
  util::SleeperThread udev_thread_;
+
+  Glib::RefPtr<Gio::DBus::Proxy> login_proxy_;
 };
 }  // namespace waybar::modules
--- a/include/modules/clock.hpp
+++ b/include/modules/clock.hpp
@ -1,19 +1,22 @@
 #pragma once

-#include <date/tz.h>
-
 #include "ALabel.hpp"
+#include "util/date.hpp"
 #include "util/sleeper_thread.hpp"

-namespace waybar {
-
-struct waybar_time;
-
-namespace modules {
+namespace waybar::modules {

 const std::string kCalendarPlaceholder = "calendar";
 const std::string KTimezonedTimeListPlaceholder = "timezoned_time_list";

+enum class WeeksSide {
+  LEFT,
+  RIGHT,
+  HIDDEN,
+};
+
+enum class CldMode { MONTH, YEAR };
+
 class Clock : public ALabel {
 public:
  Clock(const std::string&, const Json::Value&);
@ -22,26 +25,37 @@ class Clock : public ALabel {

 private:
  util::SleeperThread thread_;
+  std::map<std::pair<uint, GdkEventType>, void (waybar::modules::Clock::*)()> eventMap_;
  std::locale locale_;
  std::vector<const date::time_zone*> time_zones_;
  int current_time_zone_idx_;
-  date::year_month_day calendar_cached_ymd_{date::January / 1 / 0};
-  date::months calendar_shift_{0}, calendar_shift_init_{0};
-  std::string calendar_cached_text_;
  bool is_calendar_in_tooltip_;
  bool is_timezoned_list_in_tooltip_;

  bool handleScroll(GdkEventScroll* e);
+  bool handleToggle(GdkEventButton* const& e);

-  std::string fmt_str_weeks_;
-  std::string fmt_str_calendar_;
-  int fmt_weeks_left_pad_{0};
-  auto calendar_text(const waybar_time& wtime) -> std::string;
-  auto weekdays_header(const date::weekday& first_dow, std::ostream& os) -> void;
  auto first_day_of_week() -> date::weekday;
  const date::time_zone* current_timezone();
  bool is_timezone_fixed();
  auto timezones_text(std::chrono::system_clock::time_point* now) -> std::string;
+
+  /*Calendar properties*/
+  WeeksSide cldWPos_{WeeksSide::HIDDEN};
+  std::map<int, std::string const> fmtMap_;
+  CldMode cldMode_{CldMode::MONTH};
+  uint cldMonCols_{3};    // Count of the month in the row
+  int cldMonColLen_{20};  // Length of the month column
+  int cldWnLen_{3};       // Length of the week number
+  date::year_month_day cldYearShift_;
+  date::year_month cldMonShift_;
+  date::months cldCurrShift_{0};
+  date::months cldShift_{0};
+  std::string cldYearCached_{};
+  std::string cldMonCached_{};
+  /*Calendar functions*/
+  auto get_calendar(const date::zoned_seconds& now, const date::zoned_seconds& wtime)
+      -> std::string;
+  void cldModeSwitch();
 };
-}  // namespace modules
-}  // namespace waybar
+}  // namespace waybar::modules
--- a/include/modules/image.hpp
+++ b/include/modules/image.hpp
@ -7,6 +7,7 @@
 #include <string>

 #include "ALabel.hpp"
+#include "gtkmm/box.h"
 #include "util/command.hpp"
 #include "util/json.hpp"
 #include "util/sleeper_thread.hpp"
@ -15,7 +16,7 @@ namespace waybar::modules {

 class Image : public AModule {
 public:
-  Image(const std::string&, const std::string&, const Json::Value&);
+  Image(const std::string&, const Json::Value&);
  auto update() -> void;
  void refresh(int /*signal*/);

@ -23,6 +24,7 @@ class Image : public AModule {
  void delayWorker();
  void handleEvent();

+  Gtk::Box box_;
  Gtk::Image image_;
  std::string path_;
  int size_;
--- a/include/modules/sway/ipc/client.hpp
+++ b/include/modules/sway/ipc/client.hpp
@ -8,6 +8,7 @@
 #include <cstring>
 #include <memory>
 #include <mutex>
+#include <string>

 #include "ipc.hpp"
 #include "util/sleeper_thread.hpp"
--- a/include/modules/sway/window.hpp
+++ b/include/modules/sway/window.hpp
@ -19,10 +19,11 @@ class Window : public AIconLabel, public sigc::trackable {
  auto update() -> void;

 private:
+  void setClass(std::string classname, bool enable);
  void onEvent(const struct Ipc::ipc_response&);
  void onCmd(const struct Ipc::ipc_response&);
-  std::tuple<std::size_t, int, std::string, std::string, std::string, std::string> getFocusedNode(
-      const Json::Value& nodes, std::string& output);
+  std::tuple<std::size_t, int, int, std::string, std::string, std::string, std::string, std::string>
+  getFocusedNode(const Json::Value& nodes, std::string& output);
  void getTree();
  void updateAppIconName();
  void updateAppIcon();
@ -32,12 +33,14 @@ class Window : public AIconLabel, public sigc::trackable {
  int windowId_;
  std::string app_id_;
  std::string app_class_;
+  std::string layout_;
  std::string old_app_id_;
  std::size_t app_nb_;
  std::string shell_;
  unsigned app_icon_size_{24};
  bool update_app_icon_{true};
  std::string app_icon_name_;
+  int floating_count_;
  util::JsonParser parser_;
  std::mutex mutex_;
  Ipc ipc_;
--- a/include/modules/sway/workspaces.hpp
+++ b/include/modules/sway/workspaces.hpp
@ -4,6 +4,7 @@
 #include <gtkmm/button.h>
 #include <gtkmm/label.h>

+#include <string_view>
 #include <unordered_map>

 #include "AModule.hpp"
@ -21,7 +22,9 @@ class Workspaces : public AModule, public sigc::trackable {
  auto update() -> void;

 private:
-  static inline const std::string workspace_switch_cmd_ = "workspace {} \"{}\"";
+  static constexpr std::string_view workspace_switch_cmd_ = "workspace {} \"{}\"";
+  static constexpr std::string_view persistent_workspace_switch_cmd_ =
+      R"(workspace {} "{}"; move workspace to output "{}"; workspace {} "{}")";

  static int convertWorkspaceNameToNum(std::string name);

--- a/include/modules/wireplumber.hpp
+++ b/include/modules/wireplumber.hpp
@ -20,15 +20,19 @@ class Wireplumber : public ALabel {
  void loadRequiredApiModules();
  void prepare();
  void activatePlugins();
-  static void updateVolume(waybar::modules::Wireplumber* self);
-  static void updateNodeName(waybar::modules::Wireplumber* self);
-  static uint32_t getDefaultNodeId(waybar::modules::Wireplumber* self);
+  static void updateVolume(waybar::modules::Wireplumber* self, uint32_t id);
+  static void updateNodeName(waybar::modules::Wireplumber* self, uint32_t id);
  static void onPluginActivated(WpObject* p, GAsyncResult* res, waybar::modules::Wireplumber* self);
  static void onObjectManagerInstalled(waybar::modules::Wireplumber* self);
+  static void onMixerChanged(waybar::modules::Wireplumber* self, uint32_t id);
+  static void onDefaultNodesApiChanged(waybar::modules::Wireplumber* self);

  WpCore* wp_core_;
  GPtrArray* apis_;
  WpObjectManager* om_;
+  WpPlugin* mixer_api_;
+  WpPlugin* def_nodes_api_;
+  gchar* default_node_name_;
  uint32_t pending_plugins_;
  bool muted_;
  double volume_;
--- a/include/util/date.hpp
+++ b/include/util/date.hpp
@ -0,0 +1,60 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#if HAVE_CHRONO_TIMEZONES
+#include <chrono>
+#include <format>
+
+/* Compatibility layer for <date/tz.h> on top of C++20 <chrono> */
+namespace date {
+
+using namespace std::chrono;
+
+namespace literals {
+using std::chrono::last;
+}
+
+inline auto format(const std::string& spec, const auto& ztime) {
+  return spec.empty() ? "" : std::vformat("{:L" + spec + "}", std::make_format_args(ztime));
+}
+
+inline auto format(const std::locale& loc, const std::string& spec, const auto& ztime) {
+  return spec.empty() ? "" : std::vformat(loc, "{:L" + spec + "}", std::make_format_args(ztime));
+}
+
+}  // namespace date
+
+#else
+#include <date/tz.h>
+#endif
+
+template <typename Duration, typename TimeZonePtr>
+struct fmt::formatter<date::zoned_time<Duration, TimeZonePtr>> {
+  std::string_view specs;
+
+  template <typename ParseContext>
+  constexpr auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    auto it = ctx.begin();
+    if (it != ctx.end() && *it == ':') {
+      ++it;
+    }
+    auto end = it;
+    while (end != ctx.end() && *end != '}') {
+      ++end;
+    }
+    if (end != it) {
+      specs = {it, std::string_view::size_type(end - it)};
+    }
+    return end;
+  }
+
+  template <typename FormatContext>
+  auto format(const date::zoned_time<Duration, TimeZonePtr>& ztime, FormatContext& ctx) {
+    if (ctx.locale()) {
+      const auto loc = ctx.locale().template get<std::locale>();
+      return fmt::format_to(ctx.out(), "{}", date::format(loc, fmt::to_string(specs), ztime));
+    }
+    return fmt::format_to(ctx.out(), "{}", date::format(fmt::to_string(specs), ztime));
+  }
+};
--- a/include/util/format.hpp
+++ b/include/util/format.hpp
@ -66,9 +66,9 @@ struct formatter<pow_format> {
    std::string string;
    switch (spec) {
      case '>':
-        return format_to(ctx.out(), "{:>{}}", fmt::format("{}", s), max_width);
+        return fmt::format_to(ctx.out(), "{:>{}}", fmt::format("{}", s), max_width);
      case '<':
-        return format_to(ctx.out(), "{:<{}}", fmt::format("{}", s), max_width);
+        return fmt::format_to(ctx.out(), "{:<{}}", fmt::format("{}", s), max_width);
      case '=':
        format = "{coefficient:<{number_width}.1f}{padding}{prefix}{unit}";
        break;
@ -77,8 +77,8 @@ struct formatter<pow_format> {
        format = "{coefficient:.1f}{prefix}{unit}";
        break;
    }
-    return format_to(
-        ctx.out(), format, fmt::arg("coefficient", fraction),
+    return fmt::format_to(
+        ctx.out(), fmt::runtime(format), fmt::arg("coefficient", fraction),
        fmt::arg("number_width", number_width),
        fmt::arg("prefix", std::string() + units[pow] + ((s.binary_ && pow) ? "i" : "")),
        fmt::arg("unit", s.unit_),
--- a/include/util/waybar_time.hpp
+++ b/include/util/waybar_time.hpp
@ -1,39 +0,0 @@
-#pragma once
-
-#include <date/tz.h>
-#include <fmt/format.h>
-
-namespace waybar {
-
-struct waybar_time {
-  std::locale locale;
-  date::zoned_seconds ztime;
-};
-
-}  // namespace waybar
-
-template <>
-struct fmt::formatter<waybar::waybar_time> {
-  std::string_view specs;
-
-  template <typename ParseContext>
-  constexpr auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    auto it = ctx.begin();
-    if (it != ctx.end() && *it == ':') {
-      ++it;
-    }
-    auto end = it;
-    while (end != ctx.end() && *end != '}') {
-      ++end;
-    }
-    if (end != it) {
-      specs = {it, std::string_view::size_type(end - it)};
-    }
-    return end;
-  }
-
-  template <typename FormatContext>
-  auto format(const waybar::waybar_time& t, FormatContext& ctx) {
-    return format_to(ctx.out(), "{}", date::format(t.locale, fmt::to_string(specs), t.ztime));
-  }
-};
--- a/man/waybar-backlight.5.scd
+++ b/man/waybar-backlight.5.scd
@ -58,16 +58,25 @@ The *backlight* module displays the current backlight level.

 *on-scroll-up*: ++
 	typeof: string ++
-	Command to execute when performing a scroll up on the module.
+	Command to execute when performing a scroll up on the module. This replaces the default behaviour of brightness control.

 *on-scroll-down*: ++
 	typeof: string
-	Command to execute when performing a scroll down on the module.
+	Command to execute when performing a scroll down on the module. This replaces the default behaviour of brightness control.

 *smooth-scrolling-threshold*: ++
 	typeof: double
 	Threshold to be used when scrolling.

+*reverse-scrolling*: ++
+	typeof: bool ++
+	Option to reverse the scroll direction.
+
+*scroll-step*: ++
+	typeof: float ++
+	default: 1.0 ++
+	The speed in which to change the brightness when scrolling.
+
 # EXAMPLE:

 ```
--- a/man/waybar-image.5.scd
+++ b/man/waybar-image.5.scd
@ -1,4 +1,4 @@
-waybar-custom(5)
+waybar-image(5)

 # NAME

@ -10,12 +10,13 @@ The *image* module displays an image from a path.

 # CONFIGURATION

-Addressed by *custom/<name>*
-
 *path*: ++
 	typeof: string ++
 	The path to the image.
-
+*exec*: ++
+	typeof: string ++
+	The path to the script, which should return image path file
+	it will only execute if the path is not set
 *size*: ++
 	typeof: integer ++
 	The width/height to render the image.
@ -58,15 +59,15 @@ Addressed by *custom/<name>*

 # EXAMPLES

-## Spotify:
-
-## mpd:
-
 ```
-"image/album-art": {
+"image#album-art": {
 	"path": "/tmp/mpd_art",
 	"size": 32,
 	"interval": 5,
 	"on-click": "mpc toggle"
 }
-```
+```
+
+# STYLE
+
+- *#image*
--- a/man/waybar-sway-window.5.scd
+++ b/man/waybar-sway-window.5.scd
@ -66,6 +66,25 @@ Addressed by *sway/window*
 	default: true ++
 	Option to disable tooltip on hover.

+*all-outputs*: ++
+	typeof: bool ++
+	default: false ++
+	Option to show the focused window along with its workspace styles on all outputs.
+
+*offscreen-css*: ++
+	typeof: bool ++
+	default: false ++
+	Only effective when all-outputs is true. Adds style according to present windows on unfocused outputs instead of showing the focused window and style.
+
+*offscreen-css-text*: ++
+	typeof: string ++
+	Only effective when both all-outputs and offscreen-style are true. On screens currently not focused, show the given text along with that workspaces styles.
+
+*show-focused-workspace-name*: ++
+	typeof: bool ++
+	default: false ++
+	If the workspace itself is focused and the workspace contains nodes or floating_nodes, show the workspace name. If not set, text remains empty but styles according to nodes in the workspace are still applied.
+	
 *rewrite*: ++
 	typeof: object ++
 	Rules to rewrite window title. See *rewrite rules*.
@ -117,6 +136,10 @@ Invalid expressions (e.g., mismatched parentheses) are skipped.
 # STYLE

 - *#window*
- *window#waybar.empty* When no windows is in the workspace
- *window#waybar.solo* When one window is in the workspace
+- *window#waybar.empty* When no windows are in the workspace, or screen is not focused and offscreen-css option is not set
+- *window#waybar.solo* When one tiled window is in the workspace
+- *window#waybar.floating* When there are only floating windows in the workspace
+- *window#waybar.stacked* When there is more than one window in the workspace and the workspace layout is stacked
+- *window#waybar.tabbed* When there is more than one window in the workspace and the workspace layout is tabbed
+- *window#waybar.tiled* When there is more than one window in the workspace and the workspace layout is splith or splitv
 - *window#waybar.<app_id>* Where *app_id* is the app_id or *instance* name like (*chromium*) of the only window in the workspace
--- a/man/waybar.5.scd.in
+++ b/man/waybar.5.scd.in
@ -263,6 +263,7 @@ A module group is defined by specifying a module named "group/some-group-name".
 - *waybar-custom(5)*
 - *waybar-disk(5)*
 - *waybar-idle-inhibitor(5)*
+- *waybar-image(5)*
 - *waybar-keyboard-state(5)*
 - *waybar-memory(5)*
 - *waybar-mpd(5)*
@ -278,6 +279,7 @@ A module group is defined by specifying a module named "group/some-group-name".
 - *waybar-sway-scratchpad(5)*
 - *waybar-sway-window(5)*
 - *waybar-sway-workspaces(5)*
+- *waybar-wireplumber(5)*
 - *waybar-wlr-taskbar(5)*
 - *waybar-wlr-workspaces(5)*
 - *waybar-temperature(5)*
--- a/meson.build
+++ b/meson.build
@ -1,6 +1,6 @@
 project(
    'waybar', 'cpp', 'c',
-    version: '0.9.16',
+    version: '0.9.17',
    license: 'MIT',
    meson_version: '>= 0.49.0',
    default_options : [
@ -123,11 +123,18 @@ gtk_layer_shell = dependency('gtk-layer-shell-0',
        required: get_option('gtk-layer-shell'),
        fallback : ['gtk-layer-shell', 'gtk_layer_shell_dep'])
 systemd = dependency('systemd', required: get_option('systemd'))
-tz_dep = dependency('date',
-    required: false,
-    default_options : [ 'use_system_tzdb=true' ],
-    modules : [ 'date::date', 'date::date-tz' ],
-    fallback: [ 'date', 'tz_dep' ])
+
+cpp_lib_chrono = compiler.compute_int('__cpp_lib_chrono', prefix : '#include <chrono>')
+have_chrono_timezones = cpp_lib_chrono >= 201907
+if have_chrono_timezones
+  tz_dep = declare_dependency()
+else
+  tz_dep = dependency('date',
+      required: false,
+      default_options : [ 'use_system_tzdb=true' ],
+      modules : [ 'date::date', 'date::date-tz' ],
+      fallback: [ 'date', 'tz_dep' ])
+endif

 prefix = get_option('prefix')
 sysconfdir = get_option('sysconfdir')
@ -313,7 +320,10 @@ if get_option('rfkill').enabled() and is_linux
    )
 endif

-if tz_dep.found()
+if have_chrono_timezones
+    add_project_arguments('-DHAVE_CHRONO_TIMEZONES', language: 'cpp')
+    src_files += 'src/modules/clock.cpp'
+elif tz_dep.found()
    add_project_arguments('-DHAVE_LIBDATE', language: 'cpp')
    src_files += 'src/modules/clock.cpp'
 else
@ -396,6 +406,7 @@ if scdoc.found()
        'waybar-disk.5.scd',
        'waybar-gamemode.5.scd',
        'waybar-idle-inhibitor.5.scd',
+        'waybar-image.5.scd',
        'waybar-keyboard-state.5.scd',
        'waybar-memory.5.scd',
        'waybar-mpd.5.scd',
@ -449,7 +460,7 @@ endif

 catch2 = dependency(
    'catch2',
-    version: '>=3.0.0',
+    version: '>=2.0.0',
    fallback: ['catch2', 'catch2_dep'],
    required: get_option('tests'),
 )
--- a/nix/default.nix
+++ b/nix/default.nix
@ -0,0 +1,139 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, meson
+, pkg-config
+, ninja
+, wrapGAppsHook
+, wayland
+, wlroots
+, gtkmm3
+, libsigcxx
+, jsoncpp
+, scdoc
+, spdlog
+, gtk-layer-shell
+, howard-hinnant-date
+, libinotify-kqueue
+, libxkbcommon
+, evdevSupport ? true
+, libevdev
+, inputSupport ? true
+, libinput
+, jackSupport ? true
+, libjack2
+, mpdSupport ? true
+, libmpdclient
+, nlSupport ? true
+, libnl
+, pulseSupport ? true
+, libpulseaudio
+, rfkillSupport ? true
+, runTests ? true
+, catch2_3
+, sndioSupport ? true
+, sndio
+, swaySupport ? true
+, sway
+, traySupport ? true
+, libdbusmenu-gtk3
+, udevSupport ? true
+, udev
+, upowerSupport ? true
+, upower
+, wireplumberSupport ? true
+, wireplumber
+, withMediaPlayer ? false
+, glib
+, gobject-introspection
+, python3
+, playerctl
+, version
+}:
+
+stdenv.mkDerivation rec {
+  pname = "waybar";
+  inherit version;
+  # version = "0.9.16";
+
+  src = lib.cleanSourceWith {
+    filter = name: type:
+      let
+        baseName = baseNameOf (toString name);
+      in
+        ! (
+          lib.hasSuffix ".nix" baseName
+        );
+    src = lib.cleanSource ../.;
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    scdoc
+    wrapGAppsHook
+  ] ++ lib.optional withMediaPlayer gobject-introspection;
+
+  propagatedBuildInputs = lib.optionals withMediaPlayer [
+    glib
+    playerctl
+    python3.pkgs.pygobject3
+  ];
+  strictDeps = false;
+
+  buildInputs = with lib;
+    [ wayland wlroots gtkmm3 libsigcxx jsoncpp spdlog gtk-layer-shell howard-hinnant-date libxkbcommon ]
+    ++ optional (!stdenv.isLinux) libinotify-kqueue
+    ++ optional evdevSupport libevdev
+    ++ optional inputSupport libinput
+    ++ optional jackSupport libjack2
+    ++ optional mpdSupport libmpdclient
+    ++ optional nlSupport libnl
+    ++ optional pulseSupport libpulseaudio
+    ++ optional sndioSupport sndio
+    ++ optional swaySupport sway
+    ++ optional traySupport libdbusmenu-gtk3
+    ++ optional udevSupport udev
+    ++ optional upowerSupport upower
+    ++ optional wireplumberSupport wireplumber;
+
+  checkInputs = [ catch2_3 ];
+  doCheck = runTests;
+
+  mesonFlags = (lib.mapAttrsToList
+    (option: enable: "-D${option}=${if enable then "enabled" else "disabled"}")
+    {
+      dbusmenu-gtk = traySupport;
+      jack = jackSupport;
+      libinput = inputSupport;
+      libnl = nlSupport;
+      libudev = udevSupport;
+      mpd = mpdSupport;
+      pulseaudio = pulseSupport;
+      rfkill = rfkillSupport;
+      sndio = sndioSupport;
+      tests = runTests;
+      upower_glib = upowerSupport;
+      wireplumber = wireplumberSupport;
+    }
+  ) ++ [
+    "-Dsystemd=disabled"
+    "-Dgtk-layer-shell=enabled"
+    "-Dman-pages=enabled"
+  ];
+
+  preFixup = lib.optionalString withMediaPlayer ''
+    cp $src/resources/custom_modules/mediaplayer.py $out/bin/waybar-mediaplayer.py
+    wrapProgram $out/bin/waybar-mediaplayer.py \
+      --prefix PYTHONPATH : "$PYTHONPATH:$out/${python3.sitePackages}"
+  '';
+
+  meta = with lib; {
+    description = "Highly customizable Wayland bar for Sway and Wlroots based compositors";
+    license = licenses.mit;
+    maintainers = with maintainers; [ FlorianFranzen minijackson synthetica lovesegfault ];
+    platforms = platforms.unix;
+    homepage = "https://github.com/alexays/waybar";
+  };
+}
--- a/src/bar.cpp
+++ b/src/bar.cpp
@ -725,10 +725,7 @@ void waybar::Bar::setupAltFormatKeyForModuleList(const char* module_list_name) {

 void waybar::Bar::handleSignal(int signal) {
  for (auto& module : modules_all_) {
-    auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
-    if (custom != nullptr) {
-      custom->refresh(signal);
-    }
+    module->refresh(signal);
  }
 }

--- a/src/factory.cpp
+++ b/src/factory.cpp
@ -101,6 +101,9 @@ waybar::AModule* waybar::Factory::makeModule(const std::string& name) const {
    if (ref == "disk") {
      return new waybar::modules::Disk(id, config_[name]);
    }
+    if (ref == "image") {
+      return new waybar::modules::Image(id, config_[name]);
+    }
 #ifdef HAVE_DBUSMENU
    if (ref == "tray") {
      return new waybar::modules::SNI::Tray(id, bar_, config_[name]);
@ -159,8 +162,6 @@ waybar::AModule* waybar::Factory::makeModule(const std::string& name) const {
    }
    if (ref.compare(0, 7, "custom/") == 0 && ref.size() > 7) {
      return new waybar::modules::Custom(ref.substr(7), id, config_[name]);
-    } else if (ref.compare(0, 6, "image/") == 0 && ref.size() > 6) {
-      return new waybar::modules::Image(ref.substr(6), id, config_[name]);
    }
  } catch (const std::exception& e) {
    auto err = fmt::format("Disabling module \"{}\", {}", name, e.what());
--- a/src/main.cpp
+++ b/src/main.cpp
@ -85,6 +85,12 @@ int main(int argc, char* argv[]) {
      waybar::Client::inst()->reset();
    });

+    std::signal(SIGINT, [](int /*signal*/) {
+      spdlog::info("Quitting.");
+      reload = false;
+      waybar::Client::inst()->reset();
+    });
+
    for (int sig = SIGRTMIN + 1; sig <= SIGRTMAX; ++sig) {
      std::signal(sig, [](int sig) {
        for (auto& bar : waybar::Client::inst()->bars) {
--- a/src/modules/backlight.cpp
+++ b/src/modules/backlight.cpp
@ -48,13 +48,13 @@ struct UdevMonitorDeleter {

 void check_eq(int rc, int expected, const char *message = "eq, rc was: ") {
  if (rc != expected) {
-    throw std::runtime_error(fmt::format(message, rc));
+    throw std::runtime_error(fmt::format(fmt::runtime(message), rc));
  }
 }

 void check_neq(int rc, int bad_rc, const char *message = "neq, rc was: ") {
  if (rc == bad_rc) {
-    throw std::runtime_error(fmt::format(message, rc));
+    throw std::runtime_error(fmt::format(fmt::runtime(message), rc));
  }
 }

@ -62,7 +62,7 @@ void check0(int rc, const char *message = "rc wasn't 0") { check_eq(rc, 0, messa

 void check_gte(int rc, int gte, const char *message = "rc was: ") {
  if (rc < gte) {
-    throw std::runtime_error(fmt::format(message, rc));
+    throw std::runtime_error(fmt::format(fmt::runtime(message), rc));
  }
 }

@ -106,6 +106,15 @@ waybar::modules::Backlight::Backlight(const std::string &id, const Json::Value &
    dp.emit();
  }

+  // Set up scroll handler
+  event_box_.add_events(Gdk::SCROLL_MASK | Gdk::SMOOTH_SCROLL_MASK);
+  event_box_.signal_scroll_event().connect(sigc::mem_fun(*this, &Backlight::handleScroll));
+
+  // Connect to the login interface
+  login_proxy_ = Gio::DBus::Proxy::create_for_bus_sync(
+      Gio::DBus::BusType::BUS_TYPE_SYSTEM, "org.freedesktop.login1",
+      "/org/freedesktop/login1/session/self", "org.freedesktop.login1.Session");
+
  udev_thread_ = [this] {
    std::unique_ptr<udev, UdevDeleter> udev{udev_new()};
    check_nn(udev.get(), "Udev new failed");
@ -181,7 +190,8 @@ auto waybar::modules::Backlight::update() -> void {
      event_box_.show();
      const uint8_t percent =
          best->get_max() == 0 ? 100 : round(best->get_actual() * 100.0f / best->get_max());
-      label_.set_markup(fmt::format(format_, fmt::arg("percent", std::to_string(percent)),
+      label_.set_markup(fmt::format(fmt::runtime(format_),
+                                    fmt::arg("percent", std::to_string(percent)),
                                    fmt::arg("icon", getIcon(percent))));
      getState(percent);
    } else {
@ -263,3 +273,71 @@ void waybar::modules::Backlight::enumerate_devices(ForwardIt first, ForwardIt la
    upsert_device(first, last, inserter, dev.get());
  }
 }
+
+bool waybar::modules::Backlight::handleScroll(GdkEventScroll *e) {
+  // Check if the user has set a custom command for scrolling
+  if (config_["on-scroll-up"].isString() || config_["on-scroll-down"].isString()) {
+    return AModule::handleScroll(e);
+  }
+
+  // Fail fast if the proxy could not be initialized
+  if (!login_proxy_) {
+    return true;
+  }
+
+  // Check scroll direction
+  auto dir = AModule::getScrollDir(e);
+  if (dir == SCROLL_DIR::NONE) {
+    return true;
+  }
+
+  if (config_["reverse-scrolling"].asBool()) {
+    if (dir == SCROLL_DIR::UP) {
+      dir = SCROLL_DIR::DOWN;
+    } else if (dir == SCROLL_DIR::DOWN) {
+      dir = SCROLL_DIR::UP;
+    }
+  }
+
+  // Get scroll step
+  double step = 1;
+
+  if (config_["scroll-step"].isDouble()) {
+    step = config_["scroll-step"].asDouble();
+  }
+
+  // Get the best device
+  decltype(devices_) devices;
+  {
+    std::scoped_lock<std::mutex> lock(udev_thread_mutex_);
+    devices = devices_;
+  }
+  const auto best = best_device(devices.cbegin(), devices.cend(), preferred_device_);
+
+  if (best == nullptr) {
+    return true;
+  }
+
+  // Compute the absolute step
+  const auto abs_step = static_cast<int>(round(step * best->get_max() / 100.0f));
+
+  // Compute the new value
+  int new_value = best->get_actual();
+
+  if (dir == SCROLL_DIR::UP) {
+    new_value += abs_step;
+  } else if (dir == SCROLL_DIR::DOWN) {
+    new_value -= abs_step;
+  }
+
+  // Clamp the value
+  new_value = std::clamp(new_value, 0, best->get_max());
+
+  // Set the new value
+  auto call_args = Glib::VariantContainerBase(
+      g_variant_new("(ssu)", "backlight", std::string(best->name()).c_str(), new_value));
+
+  login_proxy_->call_sync("SetBrightness", call_args);
+
+  return true;
+}
--- a/src/modules/battery.cpp
+++ b/src/modules/battery.cpp
@ -505,12 +505,12 @@ const std::tuple<uint8_t, float, std::string, float> waybar::modules::Battery::g

    float time_remaining{0.0f};
    if (status == "Discharging" && time_to_empty_now_exists) {
-      if (time_to_empty_now != 0) time_remaining = (float)time_to_empty_now / 1000.0f;
+      if (time_to_empty_now != 0) time_remaining = (float)time_to_empty_now / 3600.0f;
    } else if (status == "Discharging" && total_power_exists && total_energy_exists) {
      if (total_power != 0) time_remaining = (float)total_energy / total_power;
    } else if (status == "Charging" && time_to_full_now_exists) {
      if (time_to_full_now_exists && (time_to_full_now != 0))
-        time_remaining = -(float)time_to_full_now / 1000.0f;
+        time_remaining = -(float)time_to_full_now / 3600.0f;
      // If we've turned positive it means the battery is past 100% and so just report that as no
      // time remaining
      if (time_remaining > 0.0f) time_remaining = 0.0f;
@ -604,7 +604,7 @@ const std::string waybar::modules::Battery::formatTimeRemaining(float hoursRemai
    format = config_["format-time"].asString();
  }
  std::string zero_pad_minutes = fmt::format("{:02d}", minutes);
-  return fmt::format(format, fmt::arg("H", full_hours), fmt::arg("M", minutes),
+  return fmt::format(fmt::runtime(format), fmt::arg("H", full_hours), fmt::arg("M", minutes),
                     fmt::arg("m", zero_pad_minutes));
 }

@ -644,7 +644,8 @@ auto waybar::modules::Battery::update() -> void {
    } else if (config_["tooltip-format"].isString()) {
      tooltip_format = config_["tooltip-format"].asString();
    }
-    label_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("timeTo", tooltip_text_default),
+    label_.set_tooltip_text(fmt::format(fmt::runtime(tooltip_format),
+                                        fmt::arg("timeTo", tooltip_text_default),
                                        fmt::arg("power", power), fmt::arg("capacity", capacity),
                                        fmt::arg("time", time_remaining_formatted)));
  }
@ -665,9 +666,9 @@ auto waybar::modules::Battery::update() -> void {
  } else {
    event_box_.show();
    auto icons = std::vector<std::string>{status + "-" + state, status, state};
-    label_.set_markup(fmt::format(format, fmt::arg("capacity", capacity), fmt::arg("power", power),
-                                  fmt::arg("icon", getIcon(capacity, icons)),
-                                  fmt::arg("time", time_remaining_formatted)));
+    label_.set_markup(fmt::format(
+        fmt::runtime(format), fmt::arg("capacity", capacity), fmt::arg("power", power),
+        fmt::arg("icon", getIcon(capacity, icons)), fmt::arg("time", time_remaining_formatted)));
  }
  // Call parent update
  ALabel::update();
--- a/src/modules/bluetooth.cpp
+++ b/src/modules/bluetooth.cpp
@ -206,7 +206,8 @@ auto waybar::modules::Bluetooth::update() -> void {
  state_ = state;

  label_.set_markup(fmt::format(
-      format_, fmt::arg("status", state_), fmt::arg("num_connections", connected_devices_.size()),
+      fmt::runtime(format_), fmt::arg("status", state_),
+      fmt::arg("num_connections", connected_devices_.size()),
      fmt::arg("controller_address", cur_controller_.address),
      fmt::arg("controller_address_type", cur_controller_.address_type),
      fmt::arg("controller_alias", cur_controller_.alias),
@ -234,7 +235,7 @@ auto waybar::modules::Bluetooth::update() -> void {
            enumerate_format = config_["tooltip-format-enumerate-connected"].asString();
          }
          ss << fmt::format(
-              enumerate_format, fmt::arg("device_address", dev.address),
+              fmt::runtime(enumerate_format), fmt::arg("device_address", dev.address),
              fmt::arg("device_address_type", dev.address_type),
              fmt::arg("device_alias", dev.alias), fmt::arg("icon", enumerate_icon),
              fmt::arg("device_battery_percentage", dev.battery_percentage.value_or(0)));
@ -247,7 +248,7 @@ auto waybar::modules::Bluetooth::update() -> void {
      }
    }
    label_.set_tooltip_text(fmt::format(
-        tooltip_format, fmt::arg("status", state_),
+        fmt::runtime(tooltip_format), fmt::arg("status", state_),
        fmt::arg("num_connections", connected_devices_.size()),
        fmt::arg("controller_address", cur_controller_.address),
        fmt::arg("controller_address_type", cur_controller_.address_type),
--- a/src/modules/clock.cpp
+++ b/src/modules/clock.cpp
@ -10,14 +10,11 @@
 #include <type_traits>

 #include "util/ustring_clen.hpp"
-#include "util/waybar_time.hpp"
 #ifdef HAVE_LANGINFO_1STDAY
 #include <langinfo.h>
 #include <locale.h>
 #endif

-using waybar::waybar_time;
-
 waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
    : ALabel(config, "clock", id, "{:%H:%M}", 60, false, false, true),
      current_time_zone_idx_(0),
@ -35,16 +32,10 @@ waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
    time_zones_.push_back(date::locate_zone(config_["timezone"].asString()));
  }

-  // If all timezones are parsed and no one is good, add nullptr to the timezones vector, to mark
-  // that local time should be shown.
+  // If all timezones are parsed and no one is good, add current time zone. nullptr in timezones
+  // vector means that local time should be shown
  if (!time_zones_.size()) {
-    time_zones_.push_back(nullptr);
-  }
-
-  if (!is_timezone_fixed()) {
-    spdlog::warn(
-        "As using a timezone, some format args may be missing as the date library haven't got a "
-        "release since 2018.");
+    time_zones_.push_back(date::current_zone());
  }

  // Check if a particular placeholder is present in the tooltip format, to know what to calculate
@ -62,39 +53,94 @@ waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
    }
  }

+  // Calendar configuration
  if (is_calendar_in_tooltip_) {
-    if (config_["on-scroll"][kCalendarPlaceholder].isInt()) {
-      calendar_shift_init_ =
-          date::months{config_["on-scroll"].get(kCalendarPlaceholder, 0).asInt()};
+    if (config_[kCalendarPlaceholder]["weeks-pos"].isString()) {
+      if (config_[kCalendarPlaceholder]["weeks-pos"].asString() == "left") {
+        cldWPos_ = WeeksSide::LEFT;
+      } else if (config_[kCalendarPlaceholder]["weeks-pos"].asString() == "right") {
+        cldWPos_ = WeeksSide::RIGHT;
+      }
+    }
+    if (config_[kCalendarPlaceholder]["format"]["months"].isString())
+      fmtMap_.insert({0, config_[kCalendarPlaceholder]["format"]["months"].asString()});
+    else
+      fmtMap_.insert({0, "{}"});
+    if (config_[kCalendarPlaceholder]["format"]["days"].isString())
+      fmtMap_.insert({2, config_[kCalendarPlaceholder]["format"]["days"].asString()});
+    else
+      fmtMap_.insert({2, "{}"});
+    if (config_[kCalendarPlaceholder]["format"]["weeks"].isString() &&
+        cldWPos_ != WeeksSide::HIDDEN) {
+      fmtMap_.insert(
+          {4, std::regex_replace(config_[kCalendarPlaceholder]["format"]["weeks"].asString(),
+                                 std::regex("\\{\\}"),
+                                 (first_day_of_week() == date::Monday) ? "{:%W}" : "{:%U}")});
+      Glib::ustring tmp{std::regex_replace(fmtMap_[4], std::regex("</?[^>]+>|\\{.*\\}"), "")};
+      cldWnLen_ += tmp.size();
+    } else {
+      if (cldWPos_ != WeeksSide::HIDDEN)
+        fmtMap_.insert({4, (first_day_of_week() == date::Monday) ? "{:%W}" : "{:%U}"});
+      else
+        cldWnLen_ = 0;
+    }
+    if (config_[kCalendarPlaceholder]["format"]["weekdays"].isString())
+      fmtMap_.insert({1, config_[kCalendarPlaceholder]["format"]["weekdays"].asString()});
+    else
+      fmtMap_.insert({1, "{}"});
+    if (config_[kCalendarPlaceholder]["format"]["today"].isString())
+      fmtMap_.insert({3, config_[kCalendarPlaceholder]["format"]["today"].asString()});
+    else
+      fmtMap_.insert({3, "{}"});
+    if (config_[kCalendarPlaceholder]["mode"].isString()) {
+      const std::string cfgMode{(config_[kCalendarPlaceholder]["mode"].isString())
+                                    ? config_[kCalendarPlaceholder]["mode"].asString()
+                                    : "month"};
+      const std::map<std::string, const CldMode&> monthModes{{"month", CldMode::MONTH},
+                                                             {"year", CldMode::YEAR}};
+      if (monthModes.find(cfgMode) != monthModes.end())
+        cldMode_ = monthModes.at(cfgMode);
+      else
+        spdlog::warn(
+            "Clock calendar configuration \"mode\"\"\" \"{0}\" is not recognized. Mode = \"month\" "
+            "is using instead",
+            cfgMode);
+    }
+    if (config_[kCalendarPlaceholder]["mode-mon-col"].isInt()) {
+      cldMonCols_ = config_[kCalendarPlaceholder]["mode-mon-col"].asInt();
+      if (cldMonCols_ == 0u || 12 % cldMonCols_ != 0u) {
+        cldMonCols_ = 3u;
+        spdlog::warn(
+            "Clock calendar configuration \"mode-mon-col\" = {0} must be one of [1, 2, 3, 4, 6, "
+            "12]. Value 3 is using instead",
+            cldMonCols_);
+      }
+    } else
+      cldMonCols_ = 1;
+    if (config_[kCalendarPlaceholder]["on-scroll"].isInt()) {
+      cldShift_ = date::months{config_[kCalendarPlaceholder]["on-scroll"].asInt()};
      event_box_.add_events(Gdk::LEAVE_NOTIFY_MASK);
      event_box_.signal_leave_notify_event().connect([this](GdkEventCrossing*) {
-        calendar_shift_ = date::months{0};
+        cldCurrShift_ = date::months{0};
        return false;
      });
    }
+    if (config_[kCalendarPlaceholder]["on-click-left"].isString()) {
+      if (config_[kCalendarPlaceholder]["on-click-left"].asString() == "mode")
+        eventMap_.insert({std::make_pair(1, GdkEventType::GDK_BUTTON_PRESS),
+                          &waybar::modules::Clock::cldModeSwitch});
+    }
+    if (config_[kCalendarPlaceholder]["on-click-right"].isString()) {
+      if (config_[kCalendarPlaceholder]["on-click-right"].asString() == "mode")
+        eventMap_.insert({std::make_pair(3, GdkEventType::GDK_BUTTON_PRESS),
+                          &waybar::modules::Clock::cldModeSwitch});
+    }
  }

-  if (config_["locale"].isString()) {
+  if (config_["locale"].isString())
    locale_ = std::locale(config_["locale"].asString());
-  } else {
+  else
    locale_ = std::locale("");
-  }
-
-  if (config_["format-calendar-weeks"].isString()) {
-    fmt_str_weeks_ =
-        std::regex_replace(config_["format-calendar-weeks"].asString(), std::regex("\\{\\}"),
-                           (first_day_of_week() == date::Monday) ? "{:%V}" : "{:%U}");
-    fmt_weeks_left_pad_ =
-        std::regex_replace(fmt_str_weeks_, std::regex("</?[^>]+>|\\{.*\\}"), "").length();
-  } else {
-    fmt_str_weeks_ = "";
-  }
-
-  if (config_["format-calendar"].isString()) {
-    fmt_str_calendar_ = config_["format-calendar"].asString();
-  } else {
-    fmt_str_calendar_ = "{}";
-  }

  thread_ = [this] {
    dp.emit();
@ -116,24 +162,22 @@ bool waybar::modules::Clock::is_timezone_fixed() {
 }

 auto waybar::modules::Clock::update() -> void {
-  auto time_zone = current_timezone();
+  const auto* time_zone = current_timezone();
  auto now = std::chrono::system_clock::now();
-  waybar_time wtime = {locale_,
-                       date::make_zoned(time_zone, date::floor<std::chrono::seconds>(now))};
+  auto ztime = date::zoned_time{time_zone, date::floor<std::chrono::seconds>(now)};

-  auto shifted_date = date::year_month_day{date::floor<date::days>(now)} + calendar_shift_;
+  auto shifted_date = date::year_month_day{date::floor<date::days>(now)} + cldCurrShift_;
  auto now_shifted = date::sys_days{shifted_date} + (now - date::floor<date::days>(now));
-  waybar_time shifted_wtime = {
-      locale_, date::make_zoned(time_zone, date::floor<std::chrono::seconds>(now_shifted))};
+  auto shifted_ztime = date::zoned_time{time_zone, date::floor<std::chrono::seconds>(now_shifted)};

-  std::string text = "";
+  std::string text{""};
  if (!is_timezone_fixed()) {
    // As date dep is not fully compatible, prefer fmt
    tzset();
    auto localtime = fmt::localtime(std::chrono::system_clock::to_time_t(now));
-    text = fmt::format(locale_, format_, localtime);
+    text = fmt::format(locale_, fmt::runtime(format_), localtime);
  } else {
-    text = fmt::format(format_, wtime);
+    text = fmt::format(locale_, fmt::runtime(format_), ztime);
  }
  label_.set_markup(text);

@ -142,13 +186,13 @@ auto waybar::modules::Clock::update() -> void {
      std::string calendar_lines{""};
      std::string timezoned_time_lines{""};
      if (is_calendar_in_tooltip_) {
-        calendar_lines = calendar_text(shifted_wtime);
+        calendar_lines = get_calendar(ztime, shifted_ztime);
      }
      if (is_timezoned_list_in_tooltip_) {
        timezoned_time_lines = timezones_text(&now);
      }
      auto tooltip_format = config_["tooltip-format"].asString();
-      text = fmt::format(tooltip_format, shifted_wtime,
+      text = fmt::format(locale_, fmt::runtime(tooltip_format), shifted_ztime,
                         fmt::arg(kCalendarPlaceholder.c_str(), calendar_lines),
                         fmt::arg(KTimezonedTimeListPlaceholder.c_str(), timezoned_time_lines));
      label_.set_tooltip_markup(text);
@ -159,6 +203,21 @@ auto waybar::modules::Clock::update() -> void {
  ALabel::update();
 }

+bool waybar::modules::Clock::handleToggle(GdkEventButton* const& e) {
+  const std::map<std::pair<uint, GdkEventType>, void (waybar::modules::Clock::*)()>::const_iterator&
+      rec{eventMap_.find(std::pair(e->button, e->type))};
+
+  const auto callMethod{(rec != eventMap_.cend()) ? rec->second : nullptr};
+
+  if (callMethod) {
+    (this->*callMethod)();
+  } else
+    return ALabel::handleToggle(e);
+
+  update();
+  return true;
+}
+
 bool waybar::modules::Clock::handleScroll(GdkEventScroll* e) {
  // defer to user commands if set
  if (config_["on-scroll-up"].isString() || config_["on-scroll-down"].isString()) {
@ -168,11 +227,11 @@ bool waybar::modules::Clock::handleScroll(GdkEventScroll* e) {
  auto dir = AModule::getScrollDir(e);

  // Shift calendar date
-  if (calendar_shift_init_.count() != 0) {
+  if (cldShift_.count() != 0) {
    if (dir == SCROLL_DIR::UP)
-      calendar_shift_ += calendar_shift_init_;
+      cldCurrShift_ += ((cldMode_ == CldMode::YEAR) ? 12 : 1) * cldShift_;
    else
-      calendar_shift_ -= calendar_shift_init_;
+      cldCurrShift_ -= ((cldMode_ == CldMode::YEAR) ? 12 : 1) * cldShift_;
  } else {
    // Change time zone
    if (dir != SCROLL_DIR::UP && dir != SCROLL_DIR::DOWN) {
@ -196,126 +255,214 @@ bool waybar::modules::Clock::handleScroll(GdkEventScroll* e) {
  return true;
 }

-auto waybar::modules::Clock::calendar_text(const waybar_time& wtime) -> std::string {
-  const auto daypoint = date::floor<date::days>(wtime.ztime.get_local_time());
-  const auto ymd{date::year_month_day{daypoint}};
-
-  if (calendar_cached_ymd_ == ymd) {
-    return calendar_cached_text_;
-  }
-
-  const auto curr_day{(calendar_shift_init_.count() != 0 && calendar_shift_.count() != 0)
-                          ? date::day{0}
-                          : ymd.day()};
-  const date::year_month ym{ymd.year(), ymd.month()};
-  const auto first_dow = first_day_of_week();
-
-  std::stringstream os;
-
-  enum class WeeksSide {
-    LEFT,
-    RIGHT,
-    HIDDEN,
-  };
-  WeeksSide weeks_pos = WeeksSide::HIDDEN;
-
-  if (config_["calendar-weeks-pos"].isString()) {
-    if (config_["calendar-weeks-pos"].asString() == "left") {
-      weeks_pos = WeeksSide::LEFT;
-      // Add paddings before the header
-      os << std::string(3 + fmt_weeks_left_pad_, ' ');
-    } else if (config_["calendar-weeks-pos"].asString() == "right") {
-      weeks_pos = WeeksSide::RIGHT;
-    }
-  }
-
-  weekdays_header(first_dow, os);
-
-  // First week day prefixed with spaces if needed.
-  date::sys_days print_wd{ym / 1};
-  auto wd{date::weekday{print_wd}};
-  auto empty_days = (wd - first_dow).count();
-
-  /* Print weeknumber on the left for the first row*/
-  if (weeks_pos == WeeksSide::LEFT) {
-    os << fmt::format(fmt_str_weeks_, print_wd) << ' ';
-  }
-
-  if (empty_days > 0) {
-    os << std::string(empty_days * 3 - 1, ' ');
-  }
-
-  const auto last_day = (ym / date::literals::last).day();
-
-  for (auto d{date::day{1}}; d <= last_day; ++d, ++wd) {
-    if (wd != first_dow) {
-      os << ' ';
-    } else if (unsigned(d) != 1) {
-      if (weeks_pos == WeeksSide::RIGHT) {
-        os << ' ' << fmt::format(fmt_str_weeks_, print_wd);
-      }
-
-      os << '\n';
-
-      print_wd = (ym / d);
-
-      if (weeks_pos == WeeksSide::LEFT) {
-        os << fmt::format(fmt_str_weeks_, print_wd) << ' ';
-      }
-    }
-
-    if (d == curr_day) {
-      if (config_["today-format"].isString()) {
-        auto today_format = config_["today-format"].asString();
-        os << fmt::format(today_format, date::format("%e", d));
-      } else {
-        os << "<b><u>" << date::format("%e", d) << "</u></b>";
-      }
-    } else {
-      os << fmt::format(fmt_str_calendar_, date::format("%e", d));
-    }
-    /*Print weeks on the right when the endings with spaces*/
-    if (weeks_pos == WeeksSide::RIGHT && d == last_day) {
-      empty_days = 6 - (wd.c_encoding() - first_dow.c_encoding());
-      if (empty_days > 0 && empty_days < 7) {
-        os << std::string(empty_days * 3, ' ');
-      }
-
-      os << ' ' << fmt::format(fmt_str_weeks_, print_wd);
-    }
-  }
-
-  auto result = os.str();
-  calendar_cached_ymd_ = ymd;
-  calendar_cached_text_ = result;
-  return result;
+// The number of weeks in calendar month layout plus 1 more for calendar titles
+unsigned cldRowsInMonth(date::year_month const ym, date::weekday const firstdow) {
+  using namespace date;
+  return static_cast<unsigned>(
+             ceil<weeks>((weekday{ym / 1} - firstdow) + ((ym / last).day() - day{0})).count()) +
+         2;
 }

-auto waybar::modules::Clock::weekdays_header(const date::weekday& first_week_day, std::ostream& os)
-    -> void {
-  std::stringstream res;
-  auto wd = first_week_day;
-  do {
-    if (wd != first_week_day) {
-      res << ' ';
-    }
-    Glib::ustring wd_ustring(date::format(locale_, "%a", wd));
-    auto clen = ustring_clen(wd_ustring);
-    auto wd_len = wd_ustring.length();
-    while (clen > 2) {
-      wd_ustring = wd_ustring.substr(0, wd_len - 1);
-      wd_len--;
-      clen = ustring_clen(wd_ustring);
-    }
-    const std::string pad(2 - clen, ' ');
-    res << pad << wd_ustring;
-  } while (++wd != first_week_day);
-  res << '\n';
+auto cldGetWeekForLine(date::year_month const ym, date::weekday const firstdow, unsigned const line)
+    -> const date::year_month_weekday {
+  unsigned index = line - 2;
+  auto sd = date::sys_days{ym / 1};
+  if (date::weekday{sd} == firstdow) ++index;
+  auto ymdw = ym / firstdow[index];
+  return ymdw;
+}

-  if (config_["format-calendar-weekdays"].isString()) {
-    os << fmt::format(config_["format-calendar-weekdays"].asString(), res.str());
-  } else
-    os << res.str();
+auto getCalendarLine(date::year_month_day const currDate, date::year_month const ym,
+                     unsigned const line, date::weekday const firstdow,
+                     const std::locale* const locale_) -> std::string {
+  using namespace date::literals;
+  std::ostringstream res;
+
+  switch (line) {
+    case 0: {
+      // Output month and year title
+      res << date::format(*locale_, "%B %Y", ym);
+      break;
+    }
+    case 1: {
+      // Output weekday names title
+      auto wd{firstdow};
+      do {
+        Glib::ustring wd_ustring{date::format(*locale_, "%a", wd)};
+        auto clen{ustring_clen(wd_ustring)};
+        auto wd_len{wd_ustring.length()};
+        while (clen > 2) {
+          wd_ustring = wd_ustring.substr(0, wd_len - 1);
+          --wd_len;
+          clen = ustring_clen(wd_ustring);
+        }
+        const std::string pad(2 - clen, ' ');
+
+        if (wd != firstdow) res << ' ';
+
+        res << pad << wd_ustring;
+      } while (++wd != firstdow);
+      break;
+    }
+    case 2: {
+      // Output first week prefixed with spaces if necessary
+      auto wd = date::weekday{ym / 1};
+      res << std::string(static_cast<unsigned>((wd - firstdow).count()) * 3, ' ');
+
+      if (currDate.year() != ym.year() || currDate.month() != ym.month() || currDate != ym / 1_d)
+        res << date::format("%e", 1_d);
+      else
+        res << "{today}";
+
+      auto d = 2_d;
+
+      while (++wd != firstdow) {
+        if (currDate.year() != ym.year() || currDate.month() != ym.month() || currDate != ym / d)
+          res << date::format(" %e", d);
+        else
+          res << " {today}";
+
+        ++d;
+      }
+      break;
+    }
+    default: {
+      // Output a non-first week:
+      auto ymdw{cldGetWeekForLine(ym, firstdow, line)};
+      if (ymdw.ok()) {
+        auto d = date::year_month_day{ymdw}.day();
+        auto const e = (ym / last).day();
+        auto wd = firstdow;
+
+        if (currDate.year() != ym.year() || currDate.month() != ym.month() || currDate != ym / d)
+          res << date::format("%e", d);
+        else
+          res << "{today}";
+
+        while (++wd != firstdow && ++d <= e) {
+          if (currDate.year() != ym.year() || currDate.month() != ym.month() || currDate != ym / d)
+            res << date::format(" %e", d);
+          else
+            res << " {today}";
+        }
+        // Append row with spaces if the week did not complete
+        res << std::string(static_cast<unsigned>((firstdow - wd).count()) * 3, ' ');
+      }
+      break;
+    }
+  }
+
+  return res.str();
+}
+
+auto waybar::modules::Clock::get_calendar(const date::zoned_seconds& now,
+                                          const date::zoned_seconds& wtime) -> std::string {
+  auto daypoint = date::floor<date::days>(wtime.get_local_time());
+  const auto ymd{date::year_month_day{daypoint}};
+  const auto ym{ymd.year() / ymd.month()};
+  const auto y{ymd.year()};
+  const auto firstdow = first_day_of_week();
+  const auto maxRows{12 / cldMonCols_};
+  std::ostringstream os;
+  std::ostringstream tmp;
+  // get currdate
+  daypoint = date::floor<date::days>(now.get_local_time());
+  const auto currDate{date::year_month_day{daypoint}};
+
+  if (cldMode_ == CldMode::YEAR) {
+    if (y / date::month{1} / 1 == cldYearShift_)
+      return cldYearCached_;
+    else
+      cldYearShift_ = y / date::month{1} / 1;
+  }
+  if (cldMode_ == CldMode::MONTH) {
+    if (ym == cldMonShift_)
+      return cldMonCached_;
+    else
+      cldMonShift_ = ym;
+  }
+
+  // Compute number of lines needed for each calendar month
+  unsigned ml[12]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
+
+  for (auto& m : ml) {
+    if (cldMode_ == CldMode::YEAR || m == static_cast<unsigned>(ymd.month()))
+      m = cldRowsInMonth(y / date::month{m}, firstdow);
+    else
+      m = 0u;
+  }
+  for (auto row{0u}; row < maxRows; ++row) {
+    const auto lines = *std::max_element(std::begin(ml) + (row * cldMonCols_),
+                                         std::begin(ml) + ((row + 1) * cldMonCols_));
+    for (auto line{0u}; line < lines; ++line) {
+      for (auto col{0u}; col < cldMonCols_; ++col) {
+        const auto mon{date::month{row * cldMonCols_ + col + 1}};
+        if (cldMode_ == CldMode::YEAR || y / mon == ym) {
+          date::year_month ymTmp{y / mon};
+          if (col != 0 && cldMode_ == CldMode::YEAR) os << "   ";
+
+          // Week numbers on the left
+          if (cldWPos_ == WeeksSide::LEFT && line > 0) {
+            if (line > 1) {
+              if (line < ml[static_cast<unsigned>(ymTmp.month()) - 1u])
+                os << fmt::format(fmt::runtime(fmtMap_[4]),
+                                  (line == 2)
+                                      ? date::sys_days{ymTmp / 1}
+                                      : date::sys_days{cldGetWeekForLine(ymTmp, firstdow, line)})
+                   << ' ';
+              else
+                os << std::string(cldWnLen_, ' ');
+            }
+          }
+
+          os << fmt::format(
+              fmt::runtime((cldWPos_ != WeeksSide::LEFT || line == 0) ? "{:<{}}" : "{:>{}}"),
+              getCalendarLine(currDate, ymTmp, line, firstdow, &locale_),
+              (cldMonColLen_ + ((line < 2) ? cldWnLen_ : 0)));
+
+          // Week numbers on the right
+          if (cldWPos_ == WeeksSide ::RIGHT && line > 0) {
+            if (line > 1) {
+              if (line < ml[static_cast<unsigned>(ymTmp.month()) - 1u])
+                os << ' '
+                   << fmt::format(fmt::runtime(fmtMap_[4]),
+                                  (line == 2)
+                                      ? date::sys_days{ymTmp / 1}
+                                      : date::sys_days{cldGetWeekForLine(ymTmp, firstdow, line)});
+              else
+                os << std::string(cldWnLen_, ' ');
+            }
+          }
+        }
+      }
+
+      // Apply user formats to calendar
+      if (line < 2)
+        tmp << fmt::format(fmt::runtime(fmtMap_[line]), os.str());
+      else
+        tmp << os.str();
+      // Clear ostringstream
+      std::ostringstream().swap(os);
+      if (line + 1u != lines || (row + 1u != maxRows && cldMode_ == CldMode::YEAR)) tmp << '\n';
+    }
+    if (row + 1u != maxRows && cldMode_ == CldMode::YEAR) tmp << '\n';
+  }
+
+  os << fmt::format(  // Apply days format
+      fmt::runtime(fmt::format(fmt::runtime(fmtMap_[2]), tmp.str())),
+      // Apply today format
+      fmt::arg("today", fmt::format(fmt::runtime(fmtMap_[3]), date::format("%e", ymd.day()))));
+
+  if (cldMode_ == CldMode::YEAR)
+    cldYearCached_ = os.str();
+  else
+    cldMonCached_ = os.str();
+
+  return os.str();
+}
+
+void waybar::modules::Clock::cldModeSwitch() {
+  cldMode_ = (cldMode_ == CldMode::YEAR) ? CldMode::MONTH : CldMode::YEAR;
 }

 auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_point* now)
@ -324,7 +471,6 @@ auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_poin
    return "";
  }
  std::stringstream os;
-  waybar_time wtime;
  for (size_t time_zone_idx = 0; time_zone_idx < time_zones_.size(); ++time_zone_idx) {
    if (static_cast<int>(time_zone_idx) == current_time_zone_idx_) {
      continue;
@ -333,8 +479,8 @@ auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_poin
    if (!timezone) {
      timezone = date::current_zone();
    }
-    wtime = {locale_, date::make_zoned(timezone, date::floor<std::chrono::seconds>(*now))};
-    os << fmt::format(format_, wtime) << '\n';
+    auto ztime = date::zoned_time{timezone, date::floor<std::chrono::seconds>(*now)};
+    os << fmt::format(locale_, fmt::runtime(format_), ztime) << '\n';
  }
  return os.str();
 }
--- a/src/modules/custom.cpp
+++ b/src/modules/custom.cpp
@ -126,7 +126,7 @@ auto waybar::modules::Custom::update() -> void {
    } else {
      parseOutputRaw();
    }
-    auto str = fmt::format(format_, text_, fmt::arg("alt", alt_),
+    auto str = fmt::format(fmt::runtime(format_), text_, fmt::arg("alt", alt_),
                           fmt::arg("icon", getIcon(percentage_, alt_)),
                           fmt::arg("percentage", percentage_));
    if (str.empty()) {
@ -209,8 +209,8 @@ void waybar::modules::Custom::parseOutputJson() {
        class_.push_back(c.asString());
      }
    }
-    if (!parsed["percentage"].asString().empty() && parsed["percentage"].isUInt()) {
-      percentage_ = parsed["percentage"].asUInt();
+    if (!parsed["percentage"].asString().empty() && parsed["percentage"].isNumeric()) {
+      percentage_ = (int)lround(parsed["percentage"].asFloat());
    } else {
      percentage_ = 0;
    }
--- a/src/modules/disk.cpp
+++ b/src/modules/disk.cpp
@ -58,11 +58,11 @@ auto waybar::modules::Disk::update() -> void {
    event_box_.hide();
  } else {
    event_box_.show();
-    label_.set_markup(
-        fmt::format(format, stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
-                    fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks),
-                    fmt::arg("used", used), fmt::arg("percentage_used", percentage_used),
-                    fmt::arg("total", total), fmt::arg("path", path_)));
+    label_.set_markup(fmt::format(
+        fmt::runtime(format), stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
+        fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks), fmt::arg("used", used),
+        fmt::arg("percentage_used", percentage_used), fmt::arg("total", total),
+        fmt::arg("path", path_)));
  }

  if (tooltipEnabled()) {
@ -70,11 +70,11 @@ auto waybar::modules::Disk::update() -> void {
    if (config_["tooltip-format"].isString()) {
      tooltip_format = config_["tooltip-format"].asString();
    }
-    label_.set_tooltip_text(
-        fmt::format(tooltip_format, stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
-                    fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks),
-                    fmt::arg("used", used), fmt::arg("percentage_used", percentage_used),
-                    fmt::arg("total", total), fmt::arg("path", path_)));
+    label_.set_tooltip_text(fmt::format(
+        fmt::runtime(tooltip_format), stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
+        fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks), fmt::arg("used", used),
+        fmt::arg("percentage_used", percentage_used), fmt::arg("total", total),
+        fmt::arg("path", path_)));
  }
  // Call parent update
  ALabel::update();
--- a/src/modules/gamemode.cpp
+++ b/src/modules/gamemode.cpp
@ -213,14 +213,14 @@ auto Gamemode::update() -> void {

  // Tooltip
  if (tooltip) {
-    std::string text = fmt::format(tooltip_format, fmt::arg("count", gameCount));
+    std::string text = fmt::format(fmt::runtime(tooltip_format), fmt::arg("count", gameCount));
    box_.set_tooltip_text(text);
  }

  // Label format
-  std::string str =
-      fmt::format(showAltText ? format_alt : format, fmt::arg("glyph", useIcon ? "" : glyph),
-                  fmt::arg("count", gameCount > 0 ? std::to_string(gameCount) : ""));
+  std::string str = fmt::format(fmt::runtime(showAltText ? format_alt : format),
+                                fmt::arg("glyph", useIcon ? "" : glyph),
+                                fmt::arg("count", gameCount > 0 ? std::to_string(gameCount) : ""));
  label_.set_markup(str);

  if (useIcon) {
--- a/src/modules/hyprland/language.cpp
+++ b/src/modules/hyprland/language.cpp
@ -49,23 +49,23 @@ auto Language::update() -> void {

 void Language::onEvent(const std::string& ev) {
  std::lock_guard<std::mutex> lg(mutex_);
-  auto kbName = ev.substr(ev.find_last_of('>') + 1, ev.find_first_of(','));
+  std::string kbName(begin(ev) + ev.find_last_of('>') + 1, begin(ev) + ev.find_first_of(','));
  auto layoutName = ev.substr(ev.find_first_of(',') + 1);

  if (config_.isMember("keyboard-name") && kbName != config_["keyboard-name"].asString())
    return;  // ignore

+  layoutName = waybar::util::sanitize_string(layoutName);
+
  const auto briefName = getShortFrom(layoutName);

  if (config_.isMember("format-" + briefName)) {
    const auto propName = "format-" + briefName;
-    layoutName = fmt::format(format_, config_[propName].asString());
+    layoutName = fmt::format(fmt::runtime(format_), config_[propName].asString());
  } else {
-    layoutName = fmt::format(format_, layoutName);
+    layoutName = fmt::format(fmt::runtime(format_), layoutName);
  }

-  layoutName = waybar::util::sanitize_string(layoutName);
-
  if (layoutName == layoutName_) return;

  layoutName_ = layoutName;
@ -87,18 +87,18 @@ void Language::initLanguage() {
    searcher = searcher.substr(searcher.find("keymap:") + 8);
    searcher = searcher.substr(0, searcher.find_first_of("\n\t"));

+    searcher = waybar::util::sanitize_string(searcher);
+
    auto layoutName = std::string{};
    const auto briefName = getShortFrom(searcher);

    if (config_.isMember("format-" + briefName)) {
      const auto propName = "format-" + briefName;
-      layoutName = fmt::format(format_, config_[propName].asString());
+      layoutName = fmt::format(fmt::runtime(format_), config_[propName].asString());
    } else {
-      layoutName = fmt::format(format_, searcher);
+      layoutName = fmt::format(fmt::runtime(format_), searcher);
    }

-    layoutName = waybar::util::sanitize_string(layoutName);
-
    layoutName_ = layoutName;

    spdlog::debug("hyprland language initLanguage found {}", layoutName_);
--- a/src/modules/hyprland/submap.cpp
+++ b/src/modules/hyprland/submap.cpp
@ -19,6 +19,7 @@ Submap::Submap(const std::string& id, const Bar& bar, const Json::Value& config)

  // register for hyprland ipc
  gIPC->registerForIPC("submap", this);
+  dp.emit();
 }

 Submap::~Submap() {
@ -33,7 +34,7 @@ auto Submap::update() -> void {
  if (submap_.empty()) {
    event_box_.hide();
  } else {
-    label_.set_markup(fmt::format(format_, submap_));
+    label_.set_markup(fmt::format(fmt::runtime(format_), submap_));
    if (tooltipEnabled()) {
      label_.set_tooltip_text(submap_);
    }
--- a/src/modules/hyprland/window.cpp
+++ b/src/modules/hyprland/window.cpp
@ -40,8 +40,8 @@ auto Window::update() -> void {

  if (!format_.empty()) {
    label_.show();
-    label_.set_markup(
-        fmt::format(format_, waybar::util::rewriteTitle(lastView, config_["rewrite"])));
+    label_.set_markup(fmt::format(fmt::runtime(format_),
+                                  waybar::util::rewriteTitle(lastView, config_["rewrite"])));
  } else {
    label_.hide();
  }
--- a/src/modules/idle_inhibitor.cpp
+++ b/src/modules/idle_inhibitor.cpp
@ -63,21 +63,15 @@ auto waybar::modules::IdleInhibitor::update() -> void {
  }

  std::string status_text = status ? "activated" : "deactivated";
-  label_.set_markup(fmt::format(format_, fmt::arg("status", status_text),
+  label_.set_markup(fmt::format(fmt::runtime(format_), fmt::arg("status", status_text),
                                fmt::arg("icon", getIcon(0, status_text))));
  label_.get_style_context()->add_class(status_text);
  if (tooltipEnabled()) {
-    label_.set_tooltip_markup(
-        status ? fmt::format(config_["tooltip-format-activated"].isString()
-                                 ? config_["tooltip-format-activated"].asString()
-                                 : "{status}",
-                             fmt::arg("status", status_text),
-                             fmt::arg("icon", getIcon(0, status_text)))
-               : fmt::format(config_["tooltip-format-deactivated"].isString()
-                                 ? config_["tooltip-format-deactivated"].asString()
-                                 : "{status}",
-                             fmt::arg("status", status_text),
-                             fmt::arg("icon", getIcon(0, status_text))));
+    auto config = config_[status ? "tooltip-format-activated" : "tooltip-format-deactivated"];
+    auto tooltip_format = config.isString() ? config.asString() : "{status}";
+    label_.set_tooltip_markup(fmt::format(fmt::runtime(tooltip_format),
+                                          fmt::arg("status", status_text),
+                                          fmt::arg("icon", getIcon(0, status_text))));
  }
  // Call parent update
  ALabel::update();
--- a/src/modules/image.cpp
+++ b/src/modules/image.cpp
@ -1,15 +1,16 @@
 #include "modules/image.hpp"

-#include <spdlog/spdlog.h>
-
-waybar::modules::Image::Image(const std::string& name, const std::string& id,
-                              const Json::Value& config)
-    : AModule(config, "image-" + name, id, "{}") {
-  event_box_.add(image_);
+waybar::modules::Image::Image(const std::string& id, const Json::Value& config)
+    : AModule(config, "image", id), box_(Gtk::ORIENTATION_HORIZONTAL, 0) {
+  box_.pack_start(image_);
+  box_.set_name("image");
+  if (!id.empty()) {
+    box_.get_style_context()->add_class(id);
+  }
+  event_box_.add(box_);

  dp.emit();

-  path_ = config["path"].asString();
  size_ = config["size"].asInt();

  interval_ = config_["interval"].asInt();
@ -40,8 +41,17 @@ void waybar::modules::Image::refresh(int sig) {
 }

 auto waybar::modules::Image::update() -> void {
-  Glib::RefPtr<Gdk::Pixbuf> pixbuf;
+  util::command::res output_;

+  Glib::RefPtr<Gdk::Pixbuf> pixbuf;
+  if (config_["path"].isString()) {
+    path_ = config_["path"].asString();
+  } else if (config_["exec"].isString()) {
+    output_ = util::command::exec(config_["exec"].asString());
+    path_ = output_.out;
+  } else {
+    path_ = "";
+  }
  if (Glib::file_test(path_, Glib::FILE_TEST_EXISTS))
    pixbuf = Gdk::Pixbuf::create_from_file(path_, size_, size_);
  else
--- a/src/modules/inhibitor.cpp
+++ b/src/modules/inhibitor.cpp
@ -118,7 +118,7 @@ auto Inhibitor::update() -> void {
  std::string status_text = activated() ? "activated" : "deactivated";

  label_.get_style_context()->remove_class(activated() ? "deactivated" : "activated");
-  label_.set_markup(fmt::format(format_, fmt::arg("status", status_text),
+  label_.set_markup(fmt::format(fmt::runtime(format_), fmt::arg("status", status_text),
                                fmt::arg("icon", getIcon(0, status_text))));
  label_.get_style_context()->add_class(status_text);

--- a/src/modules/jack.cpp
+++ b/src/modules/jack.cpp
@ -72,7 +72,7 @@ auto JACK::update() -> void {
  } else
    format = "{load}%";

-  label_.set_markup(fmt::format(format, fmt::arg("load", std::round(load_)),
+  label_.set_markup(fmt::format(fmt::runtime(format), fmt::arg("load", std::round(load_)),
                                fmt::arg("bufsize", bufsize_), fmt::arg("samplerate", samplerate_),
                                fmt::arg("latency", fmt::format("{:.2f}", latency)),
                                fmt::arg("xruns", xruns_)));
@ -81,9 +81,9 @@ auto JACK::update() -> void {
    std::string tooltip_format = "{bufsize}/{samplerate} {latency}ms";
    if (config_["tooltip-format"].isString()) tooltip_format = config_["tooltip-format"].asString();
    label_.set_tooltip_text(fmt::format(
-        tooltip_format, fmt::arg("load", std::round(load_)), fmt::arg("bufsize", bufsize_),
-        fmt::arg("samplerate", samplerate_), fmt::arg("latency", fmt::format("{:.2f}", latency)),
-        fmt::arg("xruns", xruns_)));
+        fmt::runtime(tooltip_format), fmt::arg("load", std::round(load_)),
+        fmt::arg("bufsize", bufsize_), fmt::arg("samplerate", samplerate_),
+        fmt::arg("latency", fmt::format("{:.2f}", latency)), fmt::arg("xruns", xruns_)));
  }

  // Call parent update
--- a/src/modules/keyboard_state.cpp
+++ b/src/modules/keyboard_state.cpp
@ -278,7 +278,7 @@ auto waybar::modules::KeyboardState::update() -> void {
  };
  for (auto& label_state : label_states) {
    std::string text;
-    text = fmt::format(label_state.format,
+    text = fmt::format(fmt::runtime(label_state.format),
                       fmt::arg("icon", label_state.state ? icon_locked_ : icon_unlocked_),
                       fmt::arg("name", label_state.name));
    label_state.label.set_markup(text);
--- a/src/modules/memory/common.cpp
+++ b/src/modules/memory/common.cpp
@ -56,7 +56,8 @@ auto waybar::modules::Memory::update() -> void {
      event_box_.show();
      auto icons = std::vector<std::string>{state};
      label_.set_markup(fmt::format(
-          format, used_ram_percentage, fmt::arg("icon", getIcon(used_ram_percentage, icons)),
+          fmt::runtime(format), used_ram_percentage,
+          fmt::arg("icon", getIcon(used_ram_percentage, icons)),
          fmt::arg("total", total_ram_gigabytes), fmt::arg("swapTotal", total_swap_gigabytes),
          fmt::arg("percentage", used_ram_percentage),
          fmt::arg("swapPercentage", used_swap_percentage), fmt::arg("used", used_ram_gigabytes),
@ -68,8 +69,8 @@ auto waybar::modules::Memory::update() -> void {
      if (config_["tooltip-format"].isString()) {
        auto tooltip_format = config_["tooltip-format"].asString();
        label_.set_tooltip_text(fmt::format(
-            tooltip_format, used_ram_percentage, fmt::arg("total", total_ram_gigabytes),
-            fmt::arg("swapTotal", total_swap_gigabytes),
+            fmt::runtime(tooltip_format), used_ram_percentage,
+            fmt::arg("total", total_ram_gigabytes), fmt::arg("swapTotal", total_swap_gigabytes),
            fmt::arg("percentage", used_ram_percentage),
            fmt::arg("swapPercentage", used_swap_percentage), fmt::arg("used", used_ram_gigabytes),
            fmt::arg("swapUsed", used_swap_gigabytes), fmt::arg("avail", available_ram_gigabytes),
--- a/src/modules/mpd/mpd.cpp
+++ b/src/modules/mpd/mpd.cpp
@ -174,14 +174,14 @@ void waybar::modules::MPD::setLabel() {

  try {
    auto text = fmt::format(
-        format, fmt::arg("artist", artist.raw()), fmt::arg("albumArtist", album_artist.raw()),
-        fmt::arg("album", album.raw()), fmt::arg("title", title.raw()), fmt::arg("date", date),
-        fmt::arg("volume", volume), fmt::arg("elapsedTime", elapsedTime),
-        fmt::arg("totalTime", totalTime), fmt::arg("songPosition", song_pos),
-        fmt::arg("queueLength", queue_length), fmt::arg("stateIcon", stateIcon),
-        fmt::arg("consumeIcon", consumeIcon), fmt::arg("randomIcon", randomIcon),
-        fmt::arg("repeatIcon", repeatIcon), fmt::arg("singleIcon", singleIcon),
-        fmt::arg("filename", filename));
+        fmt::runtime(format), fmt::arg("artist", artist.raw()),
+        fmt::arg("albumArtist", album_artist.raw()), fmt::arg("album", album.raw()),
+        fmt::arg("title", title.raw()), fmt::arg("date", date), fmt::arg("volume", volume),
+        fmt::arg("elapsedTime", elapsedTime), fmt::arg("totalTime", totalTime),
+        fmt::arg("songPosition", song_pos), fmt::arg("queueLength", queue_length),
+        fmt::arg("stateIcon", stateIcon), fmt::arg("consumeIcon", consumeIcon),
+        fmt::arg("randomIcon", randomIcon), fmt::arg("repeatIcon", repeatIcon),
+        fmt::arg("singleIcon", singleIcon), fmt::arg("filename", filename));
    if (text.empty()) {
      label_.hide();
    } else {
@ -198,7 +198,7 @@ void waybar::modules::MPD::setLabel() {
                                                          : "MPD (connected)";
    try {
      auto tooltip_text =
-          fmt::format(tooltip_format, fmt::arg("artist", artist.raw()),
+          fmt::format(fmt::runtime(tooltip_format), fmt::arg("artist", artist.raw()),
                      fmt::arg("albumArtist", album_artist.raw()), fmt::arg("album", album.raw()),
                      fmt::arg("title", title.raw()), fmt::arg("date", date),
                      fmt::arg("volume", volume), fmt::arg("elapsedTime", elapsedTime),
--- a/src/modules/mpris/mpris.cpp
+++ b/src/modules/mpris/mpris.cpp
@ -378,10 +378,10 @@ auto Mpris::update() -> void {
      break;
  }
  auto label_format =
-      fmt::format(formatstr, fmt::arg("player", info.name), fmt::arg("status", info.status_string),
-                  fmt::arg("artist", *info.artist), fmt::arg("title", *info.title),
-                  fmt::arg("album", *info.album), fmt::arg("length", *info.length),
-                  fmt::arg("dynamic", dynamic.str()),
+      fmt::format(fmt::runtime(formatstr), fmt::arg("player", info.name),
+                  fmt::arg("status", info.status_string), fmt::arg("artist", *info.artist),
+                  fmt::arg("title", *info.title), fmt::arg("album", *info.album),
+                  fmt::arg("length", *info.length), fmt::arg("dynamic", dynamic.str()),
                  fmt::arg("player_icon", getIcon(config_["player-icons"], info.name)),
                  fmt::arg("status_icon", getIcon(config_["status-icons"], info.status_string)));
  label_.set_markup(label_format);
--- a/src/modules/network.cpp
+++ b/src/modules/network.cpp
@ -331,7 +331,7 @@ auto waybar::modules::Network::update() -> void {
  getState(signal_strength_);

  auto text = fmt::format(
-      format_, fmt::arg("essid", essid_), fmt::arg("signaldBm", signal_strength_dbm_),
+      fmt::runtime(format_), fmt::arg("essid", essid_), fmt::arg("signaldBm", signal_strength_dbm_),
      fmt::arg("signalStrength", signal_strength_),
      fmt::arg("signalStrengthApp", signal_strength_app_), fmt::arg("ifname", ifname_),
      fmt::arg("netmask", netmask_), fmt::arg("ipaddr", ipaddr_), fmt::arg("gwaddr", gwaddr_),
@ -363,8 +363,8 @@ auto waybar::modules::Network::update() -> void {
    }
    if (!tooltip_format.empty()) {
      auto tooltip_text = fmt::format(
-          tooltip_format, fmt::arg("essid", essid_), fmt::arg("signaldBm", signal_strength_dbm_),
-          fmt::arg("signalStrength", signal_strength_),
+          fmt::runtime(tooltip_format), fmt::arg("essid", essid_),
+          fmt::arg("signaldBm", signal_strength_dbm_), fmt::arg("signalStrength", signal_strength_),
          fmt::arg("signalStrengthApp", signal_strength_app_), fmt::arg("ifname", ifname_),
          fmt::arg("netmask", netmask_), fmt::arg("ipaddr", ipaddr_), fmt::arg("gwaddr", gwaddr_),
          fmt::arg("cidr", cidr_), fmt::arg("frequency", fmt::format("{:.1f}", frequency_)),
--- a/src/modules/pulseaudio.cpp
+++ b/src/modules/pulseaudio.cpp
@ -294,9 +294,9 @@ auto waybar::modules::Pulseaudio::update() -> void {
      format_source = config_["format-source"].asString();
    }
  }
-  format_source = fmt::format(format_source, fmt::arg("volume", source_volume_));
+  format_source = fmt::format(fmt::runtime(format_source), fmt::arg("volume", source_volume_));
  auto text = fmt::format(
-      format, fmt::arg("desc", desc_), fmt::arg("volume", volume_),
+      fmt::runtime(format), fmt::arg("desc", desc_), fmt::arg("volume", volume_),
      fmt::arg("format_source", format_source), fmt::arg("source_volume", source_volume_),
      fmt::arg("source_desc", source_desc_), fmt::arg("icon", getIcon(volume_, getPulseIcon())));
  if (text.empty()) {
@ -313,7 +313,7 @@ auto waybar::modules::Pulseaudio::update() -> void {
    }
    if (!tooltip_format.empty()) {
      label_.set_tooltip_text(fmt::format(
-          tooltip_format, fmt::arg("desc", desc_), fmt::arg("volume", volume_),
+          fmt::runtime(tooltip_format), fmt::arg("desc", desc_), fmt::arg("volume", volume_),
          fmt::arg("format_source", format_source), fmt::arg("source_volume", source_volume_),
          fmt::arg("source_desc", source_desc_),
          fmt::arg("icon", getIcon(volume_, getPulseIcon()))));
--- a/src/modules/river/mode.cpp
+++ b/src/modules/river/mode.cpp
@ -103,7 +103,7 @@ void Mode::handle_mode(const char *mode) {
    }

    label_.get_style_context()->add_class(mode);
-    label_.set_markup(fmt::format(format_, Glib::Markup::escape_text(mode).raw()));
+    label_.set_markup(fmt::format(fmt::runtime(format_), Glib::Markup::escape_text(mode).raw()));
    label_.show();
  }

--- a/src/modules/river/window.cpp
+++ b/src/modules/river/window.cpp
@ -106,7 +106,7 @@ void Window::handle_focused_view(const char *title) {
    label_.hide();  // hide empty labels or labels with empty format
  } else {
    label_.show();
-    label_.set_markup(fmt::format(format_, Glib::Markup::escape_text(title).raw()));
+    label_.set_markup(fmt::format(fmt::runtime(format_), Glib::Markup::escape_text(title).raw()));
  }

  ALabel::update();
--- a/src/modules/sndio.cpp
+++ b/src/modules/sndio.cpp
@ -110,7 +110,8 @@ auto Sndio::update() -> void {
    label_.get_style_context()->remove_class("muted");
  }

-  auto text = fmt::format(format, fmt::arg("volume", vol), fmt::arg("raw_value", volume_));
+  auto text =
+      fmt::format(fmt::runtime(format), fmt::arg("volume", vol), fmt::arg("raw_value", volume_));
  if (text.empty()) {
    label_.hide();
  } else {
--- a/src/modules/sway/ipc/client.cpp
+++ b/src/modules/sway/ipc/client.cpp
@ -2,6 +2,8 @@

 #include <fcntl.h>

+#include <stdexcept>
+
 namespace waybar::modules::sway {

 Ipc::Ipc() {
--- a/src/modules/sway/language.cpp
+++ b/src/modules/sway/language.cpp
@ -96,14 +96,14 @@ void Language::onEvent(const struct Ipc::ipc_response& res) {
 auto Language::update() -> void {
  std::lock_guard<std::mutex> lock(mutex_);
  auto display_layout = trim(fmt::format(
-      format_, fmt::arg("short", layout_.short_name),
+      fmt::runtime(format_), fmt::arg("short", layout_.short_name),
      fmt::arg("shortDescription", layout_.short_description), fmt::arg("long", layout_.full_name),
      fmt::arg("variant", layout_.variant), fmt::arg("flag", layout_.country_flag())));
  label_.set_markup(display_layout);
  if (tooltipEnabled()) {
    if (tooltip_format_ != "") {
      auto tooltip_display_layout = trim(
-          fmt::format(tooltip_format_, fmt::arg("short", layout_.short_name),
+          fmt::format(fmt::runtime(tooltip_format_), fmt::arg("short", layout_.short_name),
                      fmt::arg("shortDescription", layout_.short_description),
                      fmt::arg("long", layout_.full_name), fmt::arg("variant", layout_.variant),
                      fmt::arg("flag", layout_.country_flag())));
--- a/src/modules/sway/mode.cpp
+++ b/src/modules/sway/mode.cpp
@ -42,7 +42,7 @@ auto Mode::update() -> void {
  if (mode_.empty()) {
    event_box_.hide();
  } else {
-    label_.set_markup(fmt::format(format_, mode_));
+    label_.set_markup(fmt::format(fmt::runtime(format_), mode_));
    if (tooltipEnabled()) {
      label_.set_tooltip_text(mode_);
    }
--- a/src/modules/sway/scratchpad.cpp
+++ b/src/modules/sway/scratchpad.cpp
@ -32,7 +32,8 @@ auto Scratchpad::update() -> void {
  if (count_ || show_empty_) {
    event_box_.show();
    label_.set_markup(
-        fmt::format(format_, fmt::arg("icon", getIcon(count_, "", config_["format-icons"].size())),
+        fmt::format(fmt::runtime(format_),
+                    fmt::arg("icon", getIcon(count_, "", config_["format-icons"].size())),
                    fmt::arg("count", count_)));
    if (tooltip_enabled_) {
      label_.set_tooltip_markup(tooltip_text_);
@ -64,7 +65,7 @@ auto Scratchpad::onCmd(const struct Ipc::ipc_response& res) -> void {
    if (tooltip_enabled_) {
      tooltip_text_.clear();
      for (const auto& window : tree["nodes"][0]["nodes"][0]["floating_nodes"]) {
-        tooltip_text_.append(fmt::format(tooltip_format_ + '\n',
+        tooltip_text_.append(fmt::format(fmt::runtime(tooltip_format_ + '\n'),
                                         fmt::arg("app", window["app_id"].asString()),
                                         fmt::arg("title", window["name"].asString())));
      }
--- a/src/modules/sway/window.cpp
+++ b/src/modules/sway/window.cpp
@ -17,7 +17,7 @@
 namespace waybar::modules::sway {

 Window::Window(const std::string& id, const Bar& bar, const Json::Value& config)
-    : AIconLabel(config, "window", id, "{title}", 0, true), bar_(bar), windowId_(-1) {
+    : AIconLabel(config, "window", id, "{}", 0, true), bar_(bar), windowId_(-1) {
  // Icon size
  if (config_["icon-size"].isUInt()) {
    app_icon_size_ = config["icon-size"].asUInt();
@ -35,6 +35,7 @@ Window::Window(const std::string& id, const Bar& bar, const Json::Value& config)
      ipc_.handleEvent();
    } catch (const std::exception& e) {
      spdlog::error("Window: {}", e.what());
+      spdlog::trace("Window::Window exception");
    }
  });
 }
@ -46,12 +47,13 @@ void Window::onCmd(const struct Ipc::ipc_response& res) {
    std::lock_guard<std::mutex> lock(mutex_);
    auto payload = parser_.parse(res.payload);
    auto output = payload["output"].isString() ? payload["output"].asString() : "";
-    std::tie(app_nb_, windowId_, window_, app_id_, app_class_, shell_) =
+    std::tie(app_nb_, floating_count_, windowId_, window_, app_id_, app_class_, shell_, layout_) =
        getFocusedNode(payload["nodes"], output);
    updateAppIconName();
    dp.emit();
  } catch (const std::exception& e) {
    spdlog::error("Window: {}", e.what());
+    spdlog::trace("Window::onCmd exception");
  }
 }

@ -156,30 +158,56 @@ void Window::updateAppIcon() {
 }

 auto Window::update() -> void {
-  if (!old_app_id_.empty()) {
-    bar_.window.get_style_context()->remove_class(old_app_id_);
-  }
+  spdlog::trace("workspace layout {}, tiled count {}, floating count {}", layout_, app_nb_,
+                floating_count_);
+
+  int mode = 0;
  if (app_nb_ == 0) {
-    bar_.window.get_style_context()->remove_class("solo");
-    if (!bar_.window.get_style_context()->has_class("empty")) {
-      bar_.window.get_style_context()->add_class("empty");
+    if (floating_count_ == 0) {
+      mode += 1;
+    } else {
+      mode += 4;
    }
  } else if (app_nb_ == 1) {
-    bar_.window.get_style_context()->remove_class("empty");
-    if (!bar_.window.get_style_context()->has_class("solo")) {
-      bar_.window.get_style_context()->add_class("solo");
+    mode += 2;
+  } else {
+    if (layout_ == "tabbed") {
+      mode += 8;
+    } else if (layout_ == "stacked") {
+      mode += 16;
+    } else {
+      mode += 32;
    }
    if (!app_id_.empty() && !bar_.window.get_style_context()->has_class(app_id_)) {
      bar_.window.get_style_context()->add_class(app_id_);
      old_app_id_ = app_id_;
    }
-  } else {
-    bar_.window.get_style_context()->remove_class("solo");
-    bar_.window.get_style_context()->remove_class("empty");
  }
-  label_.set_markup(fmt::format(
-      format_, fmt::arg("title", waybar::util::rewriteTitle(window_, config_["rewrite"])),
-      fmt::arg("app_id", app_id_), fmt::arg("shell", shell_)));
+
+  if (!old_app_id_.empty() && ((mode & 2) == 0 || old_app_id_ != app_id_) &&
+      bar_.window.get_style_context()->has_class(old_app_id_)) {
+    spdlog::trace("Removing app_id class: {}", old_app_id_);
+    bar_.window.get_style_context()->remove_class(old_app_id_);
+    old_app_id_ = "";
+  }
+
+  setClass("empty", ((mode & 1) > 0));
+  setClass("solo", ((mode & 2) > 0));
+  setClass("floating", ((mode & 4) > 0));
+  setClass("tabbed", ((mode & 8) > 0));
+  setClass("stacked", ((mode & 16) > 0));
+  setClass("tiled", ((mode & 32) > 0));
+
+  if ((mode & 2) > 0 && !app_id_.empty() && !bar_.window.get_style_context()->has_class(app_id_)) {
+    spdlog::trace("Adding app_id class: {}", app_id_);
+    bar_.window.get_style_context()->add_class(app_id_);
+    old_app_id_ = app_id_;
+  }
+
+  label_.set_markup(
+      fmt::format(fmt::runtime(format_),
+                  fmt::arg("title", waybar::util::rewriteTitle(window_, config_["rewrite"])),
+                  fmt::arg("app_id", app_id_), fmt::arg("shell", shell_)));
  if (tooltipEnabled()) {
    label_.set_tooltip_text(window_);
  }
@ -190,71 +218,143 @@ auto Window::update() -> void {
  AIconLabel::update();
 }

-int leafNodesInWorkspace(const Json::Value& node) {
+void Window::setClass(std::string classname, bool enable) {
+  if (enable) {
+    if (!bar_.window.get_style_context()->has_class(classname)) {
+      bar_.window.get_style_context()->add_class(classname);
+    }
+  } else {
+    bar_.window.get_style_context()->remove_class(classname);
+  }
+}
+
+std::pair<int, int> leafNodesInWorkspace(const Json::Value& node) {
  auto const& nodes = node["nodes"];
  auto const& floating_nodes = node["floating_nodes"];
  if (nodes.empty() && floating_nodes.empty()) {
-    if (node["type"] == "workspace")
-      return 0;
-    else
-      return 1;
+    if (node["type"].asString() == "workspace")
+      return {0, 0};
+    else if (node["type"].asString() == "floating_con") {
+      return {0, 1};
+    } else {
+      return {1, 0};
+    }
  }
  int sum = 0;
-  if (!nodes.empty()) {
-    for (auto const& node : nodes) sum += leafNodesInWorkspace(node);
-  }
-  if (!floating_nodes.empty()) {
-    for (auto const& node : floating_nodes) sum += leafNodesInWorkspace(node);
-  }
-  return sum;
-}
-
-std::tuple<std::size_t, int, std::string, std::string, std::string, std::string> gfnWithWorkspace(
-    const Json::Value& nodes, std::string& output, const Json::Value& config_, const Bar& bar_,
-    Json::Value& parentWorkspace) {
+  int floating_sum = 0;
  for (auto const& node : nodes) {
-    if (node["output"].isString()) {
-      output = node["output"].asString();
-    }
-    // found node
-    if (node["focused"].asBool() && (node["type"] == "con" || node["type"] == "floating_con")) {
-      if ((!config_["all-outputs"].asBool() && output == bar_.output->name) ||
-          config_["all-outputs"].asBool()) {
-        auto app_id = node["app_id"].isString() ? node["app_id"].asString()
-                                                : node["window_properties"]["instance"].asString();
-        const auto app_class = node["window_properties"]["class"].isString()
-                                   ? node["window_properties"]["class"].asString()
-                                   : "";
-
-        const auto shell = node["shell"].isString() ? node["shell"].asString() : "";
-
-        int nb = node.size();
-        if (parentWorkspace != 0) nb = leafNodesInWorkspace(parentWorkspace);
-        return {nb,     node["id"].asInt(), Glib::Markup::escape_text(node["name"].asString()),
-                app_id, app_class,          shell};
-      }
-    }
-    // iterate
-    if (node["type"] == "workspace") parentWorkspace = node;
-    auto [nb, id, name, app_id, app_class, shell] =
-        gfnWithWorkspace(node["nodes"], output, config_, bar_, parentWorkspace);
-    if (id > -1 && !name.empty()) {
-      return {nb, id, name, app_id, app_class, shell};
-    }
-    // Search for floating node
-    std::tie(nb, id, name, app_id, app_class, shell) =
-        gfnWithWorkspace(node["floating_nodes"], output, config_, bar_, parentWorkspace);
-    if (id > -1 && !name.empty()) {
-      return {nb, id, name, app_id, app_class, shell};
-    }
+    std::pair all_leaf_nodes = leafNodesInWorkspace(node);
+    sum += all_leaf_nodes.first;
+    floating_sum += all_leaf_nodes.second;
  }
-  return {0, -1, "", "", "", ""};
+  for (auto const& node : floating_nodes) {
+    std::pair all_leaf_nodes = leafNodesInWorkspace(node);
+    sum += all_leaf_nodes.first;
+    floating_sum += all_leaf_nodes.second;
+  }
+  return {sum, floating_sum};
 }

-std::tuple<std::size_t, int, std::string, std::string, std::string, std::string>
+std::tuple<std::size_t, int, int, std::string, std::string, std::string, std::string, std::string>
+gfnWithWorkspace(const Json::Value& nodes, std::string& output, const Json::Value& config_,
+                 const Bar& bar_, Json::Value& parentWorkspace,
+                 const Json::Value& immediateParent) {
+  for (auto const& node : nodes) {
+    if (node["type"].asString() == "output") {
+      if ((!config_["all-outputs"].asBool() || config_["offscreen-css"].asBool()) &&
+          (node["name"].asString() != bar_.output->name)) {
+        continue;
+      }
+      output = node["name"].asString();
+    } else if (node["type"].asString() == "workspace") {
+      // needs to be a string comparison, because filterWorkspace is the current_workspace
+      if (node["name"].asString() != immediateParent["current_workspace"].asString()) {
+        continue;
+      }
+      if (node["focused"].asBool()) {
+        std::pair all_leaf_nodes = leafNodesInWorkspace(node);
+        return {all_leaf_nodes.first,
+                all_leaf_nodes.second,
+                node["id"].asInt(),
+                (((all_leaf_nodes.first > 0) || (all_leaf_nodes.second > 0)) &&
+                 (config_["show-focused-workspace-name"].asBool()))
+                    ? node["name"].asString()
+                    : "",
+                "",
+                "",
+                "",
+                node["layout"].asString()};
+      }
+      parentWorkspace = node;
+    } else if ((node["type"].asString() == "con" || node["type"].asString() == "floating_con") &&
+               (node["focused"].asBool())) {
+      // found node
+      spdlog::trace("actual output {}, output found {}, node (focused) found {}", bar_.output->name,
+                    output, node["name"].asString());
+      auto app_id = node["app_id"].isString() ? node["app_id"].asString()
+                                              : node["window_properties"]["instance"].asString();
+      const auto app_class = node["window_properties"]["class"].isString()
+                                 ? node["window_properties"]["class"].asString()
+                                 : "";
+      const auto shell = node["shell"].isString() ? node["shell"].asString() : "";
+      int nb = node.size();
+      int floating_count = 0;
+      std::string workspace_layout = "";
+      if (!parentWorkspace.isNull()) {
+        std::pair all_leaf_nodes = leafNodesInWorkspace(parentWorkspace);
+        nb = all_leaf_nodes.first;
+        floating_count = all_leaf_nodes.second;
+        workspace_layout = parentWorkspace["layout"].asString();
+      }
+      return {nb,
+              floating_count,
+              node["id"].asInt(),
+              Glib::Markup::escape_text(node["name"].asString()),
+              app_id,
+              app_class,
+              shell,
+              workspace_layout};
+    }
+
+    // iterate
+    auto [nb, f, id, name, app_id, app_class, shell, workspace_layout] =
+        gfnWithWorkspace(node["nodes"], output, config_, bar_, parentWorkspace, node);
+    auto [nb2, f2, id2, name2, app_id2, app_class2, shell2, workspace_layout2] =
+        gfnWithWorkspace(node["floating_nodes"], output, config_, bar_, parentWorkspace, node);
+
+    //    if ((id > 0 || ((id2 < 0 || name2.empty()) && id > -1)) && !name.empty()) {
+    if ((id > 0) || (id2 < 0 && id > -1)) {
+      return {nb, f, id, name, app_id, app_class, shell, workspace_layout};
+    } else if (id2 > 0 && !name2.empty()) {
+      return {nb2, f2, id2, name2, app_id2, app_class, shell2, workspace_layout2};
+    }
+  }
+
+  // this only comes into effect when no focused children are present
+  if (config_["all-outputs"].asBool() && config_["offscreen-css"].asBool() &&
+      immediateParent["type"].asString() == "workspace") {
+    std::pair all_leaf_nodes = leafNodesInWorkspace(immediateParent);
+    // using an empty string as default ensures that no window depending styles are set due to the
+    // checks above for !name.empty()
+    return {all_leaf_nodes.first,
+            all_leaf_nodes.second,
+            0,
+            (all_leaf_nodes.first > 0 || all_leaf_nodes.second > 0)
+                ? config_["offscreen-css-text"].asString()
+                : "",
+            "",
+            "",
+            "",
+            immediateParent["layout"].asString()};
+  }
+
+  return {0, 0, -1, "", "", "", "", ""};
+}
+
+std::tuple<std::size_t, int, int, std::string, std::string, std::string, std::string, std::string>
 Window::getFocusedNode(const Json::Value& nodes, std::string& output) {
-  Json::Value placeholder = 0;
-  return gfnWithWorkspace(nodes, output, config_, bar_, placeholder);
+  Json::Value placeholder = Json::Value::null;
+  return gfnWithWorkspace(nodes, output, config_, bar_, placeholder, placeholder);
 }

 void Window::getTree() {
@ -262,6 +362,7 @@ void Window::getTree() {
    ipc_.sendCmd(IPC_GET_TREE);
  } catch (const std::exception& e) {
    spdlog::error("Window: {}", e.what());
+    spdlog::trace("Window::getTree exception");
  }
 }

--- a/src/modules/sway/workspaces.cpp
+++ b/src/modules/sway/workspaces.cpp
@ -233,7 +233,7 @@ auto Workspaces::update() -> void {
    std::string output = (*it)["name"].asString();
    if (config_["format"].isString()) {
      auto format = config_["format"].asString();
-      output = fmt::format(format, fmt::arg("icon", getIcon(output, *it)),
+      output = fmt::format(fmt::runtime(format), fmt::arg("icon", getIcon(output, *it)),
                           fmt::arg("value", output), fmt::arg("name", trimWorkspaceName(output)),
                           fmt::arg("index", (*it)["num"].asString()));
    }
@ -259,11 +259,9 @@ Gtk::Button &Workspaces::addButton(const Json::Value &node) {
      try {
        if (node["target_output"].isString()) {
          ipc_.sendCmd(IPC_COMMAND,
-                       fmt::format(workspace_switch_cmd_ + "; move workspace to output \"{}\"; " +
-                                       workspace_switch_cmd_,
-                                   "--no-auto-back-and-forth", node["name"].asString(),
-                                   node["target_output"].asString(), "--no-auto-back-and-forth",
-                                   node["name"].asString()));
+                       fmt::format(persistent_workspace_switch_cmd_, "--no-auto-back-and-forth",
+                                   node["name"].asString(), node["target_output"].asString(),
+                                   "--no-auto-back-and-forth", node["name"].asString()));
        } else {
          ipc_.sendCmd(IPC_COMMAND, fmt::format("workspace {} \"{}\"",
                                                config_["disable-auto-back-and-forth"].asBool()
--- a/src/modules/temperature.cpp
+++ b/src/modules/temperature.cpp
@ -55,7 +55,7 @@ auto waybar::modules::Temperature::update() -> void {
  }

  auto max_temp = config_["critical-threshold"].isInt() ? config_["critical-threshold"].asInt() : 0;
-  label_.set_markup(fmt::format(format, fmt::arg("temperatureC", temperature_c),
+  label_.set_markup(fmt::format(fmt::runtime(format), fmt::arg("temperatureC", temperature_c),
                                fmt::arg("temperatureF", temperature_f),
                                fmt::arg("temperatureK", temperature_k),
                                fmt::arg("icon", getIcon(temperature_c, "", max_temp))));
@ -64,9 +64,9 @@ auto waybar::modules::Temperature::update() -> void {
    if (config_["tooltip-format"].isString()) {
      tooltip_format = config_["tooltip-format"].asString();
    }
-    label_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("temperatureC", temperature_c),
-                                        fmt::arg("temperatureF", temperature_f),
-                                        fmt::arg("temperatureK", temperature_k)));
+    label_.set_tooltip_text(fmt::format(
+        fmt::runtime(tooltip_format), fmt::arg("temperatureC", temperature_c),
+        fmt::arg("temperatureF", temperature_f), fmt::arg("temperatureK", temperature_k)));
  }
  // Call parent update
  ALabel::update();
--- a/src/modules/upower/upower.cpp
+++ b/src/modules/upower/upower.cpp
@ -336,8 +336,8 @@ auto UPower::update() -> void {
      break;
  }
  std::string label_format =
-      fmt::format(showAltText ? format_alt : format, fmt::arg("percentage", percentString),
-                  fmt::arg("time", time_format));
+      fmt::format(fmt::runtime(showAltText ? format_alt : format),
+                  fmt::arg("percentage", percentString), fmt::arg("time", time_format));
  // Only set the label text if it doesn't only contain spaces
  bool onlySpaces = true;
  for (auto& character : label_format) {
--- a/src/modules/upower/upower_tooltip.cpp
+++ b/src/modules/upower/upower_tooltip.cpp
@ -29,7 +29,7 @@ UPowerTooltip::~UPowerTooltip() {}
 uint UPowerTooltip::updateTooltip(Devices& devices) {
  // Removes all old devices
  for (auto child : contentBox->get_children()) {
-    child->~Widget();
+    delete child;
  }

  uint deviceCount = 0;
--- a/src/modules/user.cpp
+++ b/src/modules/user.cpp
@ -127,16 +127,16 @@ auto User::update() -> void {
  auto startSystemTime = currentSystemTime - workSystemTimeSeconds;
  long workSystemDays = uptimeSeconds / 86400;

-  auto label = fmt::format(ALabel::format_, fmt::arg("up_H", fmt::format("{:%H}", startSystemTime)),
-                           fmt::arg("up_M", fmt::format("{:%M}", startSystemTime)),
-                           fmt::arg("up_d", fmt::format("{:%d}", startSystemTime)),
-                           fmt::arg("up_m", fmt::format("{:%m}", startSystemTime)),
-                           fmt::arg("up_Y", fmt::format("{:%Y}", startSystemTime)),
-                           fmt::arg("work_d", workSystemDays),
-                           fmt::arg("work_H", fmt::format("{:%H}", workSystemTimeSeconds)),
-                           fmt::arg("work_M", fmt::format("{:%M}", workSystemTimeSeconds)),
-                           fmt::arg("work_S", fmt::format("{:%S}", workSystemTimeSeconds)),
-                           fmt::arg("user", systemUser));
+  auto label = fmt::format(
+      fmt::runtime(ALabel::format_), fmt::arg("up_H", fmt::format("{:%H}", startSystemTime)),
+      fmt::arg("up_M", fmt::format("{:%M}", startSystemTime)),
+      fmt::arg("up_d", fmt::format("{:%d}", startSystemTime)),
+      fmt::arg("up_m", fmt::format("{:%m}", startSystemTime)),
+      fmt::arg("up_Y", fmt::format("{:%Y}", startSystemTime)), fmt::arg("work_d", workSystemDays),
+      fmt::arg("work_H", fmt::format("{:%H}", workSystemTimeSeconds)),
+      fmt::arg("work_M", fmt::format("{:%M}", workSystemTimeSeconds)),
+      fmt::arg("work_S", fmt::format("{:%S}", workSystemTimeSeconds)),
+      fmt::arg("user", systemUser));
  ALabel::label_.set_markup(label);
  AIconLabel::update();
 }
--- a/src/modules/wireplumber.cpp
+++ b/src/modules/wireplumber.cpp
@ -1,15 +1,22 @@
 #include "modules/wireplumber.hpp"

+#include <spdlog/spdlog.h>
+
+bool isValidNodeId(uint32_t id) { return id > 0 && id < G_MAXUINT32; }
+
 waybar::modules::Wireplumber::Wireplumber(const std::string& id, const Json::Value& config)
    : ALabel(config, "wireplumber", id, "{volume}%"),
      wp_core_(nullptr),
      apis_(nullptr),
      om_(nullptr),
+      mixer_api_(nullptr),
+      def_nodes_api_(nullptr),
+      default_node_name_(nullptr),
      pending_plugins_(0),
      muted_(false),
      volume_(0.0),
      node_id_(0) {
-  wp_init(WP_INIT_ALL);
+  wp_init(WP_INIT_PIPEWIRE);
  wp_core_ = wp_core_new(NULL, NULL);
  apis_ = g_ptr_array_new_with_free_func(g_object_unref);
  om_ = wp_object_manager_new();
@ -18,10 +25,15 @@ waybar::modules::Wireplumber::Wireplumber(const std::string& id, const Json::Val

  loadRequiredApiModules();

+  spdlog::debug("[{}]: connecting to pipewire...", this->name_);
+
  if (!wp_core_connect(wp_core_)) {
+    spdlog::error("[{}]: Could not connect to PipeWire", this->name_);
    throw std::runtime_error("Could not connect to PipeWire\n");
  }

+  spdlog::debug("[{}]: connected!", this->name_);
+
  g_signal_connect_swapped(om_, "installed", (GCallback)onObjectManagerInstalled, this);

  activatePlugins();
@ -33,33 +45,26 @@ waybar::modules::Wireplumber::~Wireplumber() {
  g_clear_pointer(&apis_, g_ptr_array_unref);
  g_clear_object(&om_);
  g_clear_object(&wp_core_);
+  g_clear_object(&mixer_api_);
+  g_clear_object(&def_nodes_api_);
+  g_free(default_node_name_);
 }

-uint32_t waybar::modules::Wireplumber::getDefaultNodeId(waybar::modules::Wireplumber* self) {
-  uint32_t id;
-  g_autoptr(WpPlugin) def_nodes_api = wp_plugin_find(self->wp_core_, "default-nodes-api");
+void waybar::modules::Wireplumber::updateNodeName(waybar::modules::Wireplumber* self, uint32_t id) {
+  spdlog::debug("[{}]: updating node name with node.id {}", self->name_, id);

-  if (!def_nodes_api) {
-    throw std::runtime_error("Default nodes API is not loaded\n");
+  if (!isValidNodeId(id)) {
+    spdlog::warn("[{}]: '{}' is not a valid node ID. Ignoring node name update.", self->name_, id);
+    return;
  }

-  g_signal_emit_by_name(def_nodes_api, "get-default-node", "Audio/Sink", &id);
-
-  if (id <= 0 || id >= G_MAXUINT32) {
-    auto err = fmt::format("'{}' is not a valid ID (returned by default-nodes-api)\n", id);
-    throw std::runtime_error(err);
-  }
-
-  return id;
-}
-
-void waybar::modules::Wireplumber::updateNodeName(waybar::modules::Wireplumber* self) {
-  auto proxy = static_cast<WpProxy*>(
-      wp_object_manager_lookup(self->om_, WP_TYPE_GLOBAL_PROXY, WP_CONSTRAINT_TYPE_G_PROPERTY,
-                               "bound-id", "=u", self->node_id_, NULL));
+  auto proxy = static_cast<WpProxy*>(wp_object_manager_lookup(
+      self->om_, WP_TYPE_GLOBAL_PROXY, WP_CONSTRAINT_TYPE_G_PROPERTY, "bound-id", "=u", id, NULL));

  if (!proxy) {
-    throw std::runtime_error(fmt::format("Object '{}' not found\n", self->node_id_));
+    auto err = fmt::format("Object '{}' not found\n", id);
+    spdlog::error("[{}]: {}", self->name_, err);
+    throw std::runtime_error(err);
  }

  g_autoptr(WpProperties) properties =
@ -73,15 +78,24 @@ void waybar::modules::Wireplumber::updateNodeName(waybar::modules::Wireplumber*
  auto description = wp_properties_get(properties, "node.description");

  self->node_name_ = nick ? nick : description;
+  spdlog::debug("[{}]: Updating node name to: {}", self->name_, self->node_name_);
 }

-void waybar::modules::Wireplumber::updateVolume(waybar::modules::Wireplumber* self) {
+void waybar::modules::Wireplumber::updateVolume(waybar::modules::Wireplumber* self, uint32_t id) {
+  spdlog::debug("[{}]: updating volume", self->name_);
  double vol;
  GVariant* variant = NULL;
-  g_autoptr(WpPlugin) mixer_api = wp_plugin_find(self->wp_core_, "mixer-api");
-  g_signal_emit_by_name(mixer_api, "get-volume", self->node_id_, &variant);
+
+  if (!isValidNodeId(id)) {
+    spdlog::error("[{}]: '{}' is not a valid node ID. Ignoring volume update.", self->name_, id);
+    return;
+  }
+
+  g_signal_emit_by_name(self->mixer_api_, "get-volume", id, &variant);
+
  if (!variant) {
-    auto err = fmt::format("Node {} does not support volume\n", self->node_id_);
+    auto err = fmt::format("Node {} does not support volume\n", id);
+    spdlog::error("[{}]: {}", self->name_, err);
    throw std::runtime_error(err);
  }

@ -93,22 +107,121 @@ void waybar::modules::Wireplumber::updateVolume(waybar::modules::Wireplumber* se
  self->dp.emit();
 }

+void waybar::modules::Wireplumber::onMixerChanged(waybar::modules::Wireplumber* self, uint32_t id) {
+  spdlog::debug("[{}]: (onMixerChanged) - id: {}", self->name_, id);
+
+  g_autoptr(WpNode) node = static_cast<WpNode*>(wp_object_manager_lookup(
+      self->om_, WP_TYPE_NODE, WP_CONSTRAINT_TYPE_G_PROPERTY, "bound-id", "=u", id, NULL));
+
+  if (!node) {
+    spdlog::warn("[{}]: (onMixerChanged) - Object with id {} not found", self->name_, id);
+    return;
+  }
+
+  const gchar* name = wp_pipewire_object_get_property(WP_PIPEWIRE_OBJECT(node), "node.name");
+
+  if (g_strcmp0(self->default_node_name_, name) != 0) {
+    spdlog::debug(
+        "[{}]: (onMixerChanged) - ignoring mixer update for node: id: {}, name: {} as it is not "
+        "the default node: {}",
+        self->name_, id, name, self->default_node_name_);
+    return;
+  }
+
+  spdlog::debug("[{}]: (onMixerChanged) - Need to update volume for node with id {} and name {}",
+                self->name_, id, name);
+  updateVolume(self, id);
+}
+
+void waybar::modules::Wireplumber::onDefaultNodesApiChanged(waybar::modules::Wireplumber* self) {
+  spdlog::debug("[{}]: (onDefaultNodesApiChanged)", self->name_);
+
+  uint32_t default_node_id;
+  g_signal_emit_by_name(self->def_nodes_api_, "get-default-node", "Audio/Sink", &default_node_id);
+
+  if (!isValidNodeId(default_node_id)) {
+    spdlog::warn("[{}]: '{}' is not a valid node ID. Ignoring node change.", self->name_,
+                 default_node_id);
+    return;
+  }
+
+  g_autoptr(WpNode) node = static_cast<WpNode*>(
+      wp_object_manager_lookup(self->om_, WP_TYPE_NODE, WP_CONSTRAINT_TYPE_G_PROPERTY, "bound-id",
+                               "=u", default_node_id, NULL));
+
+  if (!node) {
+    spdlog::warn("[{}]: (onDefaultNodesApiChanged) - Object with id {} not found", self->name_,
+                 default_node_id);
+    return;
+  }
+
+  const gchar* default_node_name =
+      wp_pipewire_object_get_property(WP_PIPEWIRE_OBJECT(node), "node.name");
+
+  spdlog::debug(
+      "[{}]: (onDefaultNodesApiChanged) - got the following default node: Node(name: {}, id: {})",
+      self->name_, default_node_name, default_node_id);
+
+  if (g_strcmp0(self->default_node_name_, default_node_name) == 0) {
+    spdlog::debug(
+        "[{}]: (onDefaultNodesApiChanged) - Default node has not changed. Node(name: {}, id: {}). "
+        "Ignoring.",
+        self->name_, self->default_node_name_, default_node_id);
+    return;
+  }
+
+  spdlog::debug(
+      "[{}]: (onDefaultNodesApiChanged) - Default node changed to -> Node(name: {}, id: {})",
+      self->name_, default_node_name, default_node_id);
+
+  self->default_node_name_ = g_strdup(default_node_name);
+  updateVolume(self, default_node_id);
+  updateNodeName(self, default_node_id);
+}
+
 void waybar::modules::Wireplumber::onObjectManagerInstalled(waybar::modules::Wireplumber* self) {
-  self->node_id_ =
-      self->config_["node-id"].isInt() ? self->config_["node-id"].asInt() : getDefaultNodeId(self);
+  spdlog::debug("[{}]: onObjectManagerInstalled", self->name_);

-  g_autoptr(WpPlugin) mixer_api = wp_plugin_find(self->wp_core_, "mixer-api");
+  self->def_nodes_api_ = wp_plugin_find(self->wp_core_, "default-nodes-api");

-  updateVolume(self);
-  updateNodeName(self);
-  g_signal_connect_swapped(mixer_api, "changed", (GCallback)updateVolume, self);
+  if (!self->def_nodes_api_) {
+    spdlog::error("[{}]: default nodes api is not loaded.", self->name_);
+    throw std::runtime_error("Default nodes API is not loaded\n");
+  }
+
+  self->mixer_api_ = wp_plugin_find(self->wp_core_, "mixer-api");
+
+  if (!self->mixer_api_) {
+    spdlog::error("[{}]: mixer api is not loaded.", self->name_);
+    throw std::runtime_error("Mixer api is not loaded\n");
+  }
+
+  uint32_t default_node_id;
+  g_signal_emit_by_name(self->def_nodes_api_, "get-default-configured-node-name", "Audio/Sink",
+                        &self->default_node_name_);
+  g_signal_emit_by_name(self->def_nodes_api_, "get-default-node", "Audio/Sink", &default_node_id);
+
+  if (self->default_node_name_) {
+    spdlog::debug("[{}]: (onObjectManagerInstalled) - default configured node name: {} and id: {}",
+                  self->name_, self->default_node_name_, default_node_id);
+  }
+
+  updateVolume(self, default_node_id);
+  updateNodeName(self, default_node_id);
+
+  g_signal_connect_swapped(self->mixer_api_, "changed", (GCallback)onMixerChanged, self);
+  g_signal_connect_swapped(self->def_nodes_api_, "changed", (GCallback)onDefaultNodesApiChanged,
+                           self);
 }

 void waybar::modules::Wireplumber::onPluginActivated(WpObject* p, GAsyncResult* res,
                                                     waybar::modules::Wireplumber* self) {
+  auto plugin_name = wp_plugin_get_name(WP_PLUGIN(p));
+  spdlog::debug("[{}]: onPluginActivated: {}", self->name_, plugin_name);
  g_autoptr(GError) error = NULL;

  if (!wp_object_activate_finish(p, res, &error)) {
+    spdlog::error("[{}]: error activating plugin: {}", self->name_, error->message);
    throw std::runtime_error(error->message);
  }

@ -118,6 +231,7 @@ void waybar::modules::Wireplumber::onPluginActivated(WpObject* p, GAsyncResult*
 }

 void waybar::modules::Wireplumber::activatePlugins() {
+  spdlog::debug("[{}]: activating plugins", name_);
  for (uint16_t i = 0; i < apis_->len; i++) {
    WpPlugin* plugin = static_cast<WpPlugin*>(g_ptr_array_index(apis_, i));
    pending_plugins_++;
@ -127,13 +241,13 @@ void waybar::modules::Wireplumber::activatePlugins() {
 }

 void waybar::modules::Wireplumber::prepare() {
-  wp_object_manager_add_interest(om_, WP_TYPE_NODE, NULL);
-  wp_object_manager_add_interest(om_, WP_TYPE_GLOBAL_PROXY, NULL);
-  wp_object_manager_request_object_features(om_, WP_TYPE_GLOBAL_PROXY,
-                                            WP_PIPEWIRE_OBJECT_FEATURES_MINIMAL);
+  spdlog::debug("[{}]: preparing object manager", name_);
+  wp_object_manager_add_interest(om_, WP_TYPE_NODE, WP_CONSTRAINT_TYPE_PW_PROPERTY, "media.class",
+                                 "=s", "Audio/Sink", NULL);
 }

 void waybar::modules::Wireplumber::loadRequiredApiModules() {
+  spdlog::debug("[{}]: loading required modules", name_);
  g_autoptr(GError) error = NULL;

  if (!wp_core_load_component(wp_core_, "libwireplumber-module-default-nodes-api", "module", NULL,
@ -165,7 +279,7 @@ auto waybar::modules::Wireplumber::update() -> void {
    label_.get_style_context()->remove_class("muted");
  }

-  std::string markup = fmt::format(format, fmt::arg("node_name", node_name_),
+  std::string markup = fmt::format(fmt::runtime(format), fmt::arg("node_name", node_name_),
                                   fmt::arg("volume", volume_), fmt::arg("icon", getIcon(volume_)));
  label_.set_markup(markup);

@ -177,9 +291,9 @@ auto waybar::modules::Wireplumber::update() -> void {
    }

    if (!tooltip_format.empty()) {
-      label_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("node_name", node_name_),
-                                          fmt::arg("volume", volume_),
-                                          fmt::arg("icon", getIcon(volume_))));
+      label_.set_tooltip_text(
+          fmt::format(fmt::runtime(tooltip_format), fmt::arg("node_name", node_name_),
+                      fmt::arg("volume", volume_), fmt::arg("icon", getIcon(volume_))));
    } else {
      label_.set_tooltip_text(node_name_);
    }
--- a/src/modules/wlr/taskbar.cpp
+++ b/src/modules/wlr/taskbar.cpp
@ -102,8 +102,11 @@ Glib::RefPtr<Gio::DesktopAppInfo> get_desktop_app_info(const std::string &app_id
        desktop_file = desktop_list[0][i];
      } else {
        auto tmp_info = Gio::DesktopAppInfo::create(desktop_list[0][i]);
-        auto startup_class = tmp_info->get_startup_wm_class();
+        if (!tmp_info)
+          // see https://github.com/Alexays/Waybar/issues/1446
+          continue;

+        auto startup_class = tmp_info->get_startup_wm_class();
        if (startup_class == app_id) {
          desktop_file = desktop_list[0][i];
          break;
@ -615,9 +618,10 @@ void Task::update() {
    app_id = Glib::Markup::escape_text(app_id);
  }
  if (!format_before_.empty()) {
-    auto txt = fmt::format(format_before_, fmt::arg("title", title), fmt::arg("name", name),
-                           fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
-                           fmt::arg("short_state", state_string(true)));
+    auto txt =
+        fmt::format(fmt::runtime(format_before_), fmt::arg("title", title), fmt::arg("name", name),
+                    fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
+                    fmt::arg("short_state", state_string(true)));
    if (markup)
      text_before_.set_markup(txt);
    else
@ -625,9 +629,10 @@ void Task::update() {
    text_before_.show();
  }
  if (!format_after_.empty()) {
-    auto txt = fmt::format(format_after_, fmt::arg("title", title), fmt::arg("name", name),
-                           fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
-                           fmt::arg("short_state", state_string(true)));
+    auto txt =
+        fmt::format(fmt::runtime(format_after_), fmt::arg("title", title), fmt::arg("name", name),
+                    fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
+                    fmt::arg("short_state", state_string(true)));
    if (markup)
      text_after_.set_markup(txt);
    else
@ -636,9 +641,10 @@ void Task::update() {
  }

  if (!format_tooltip_.empty()) {
-    auto txt = fmt::format(format_tooltip_, fmt::arg("title", title), fmt::arg("name", name),
-                           fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
-                           fmt::arg("short_state", state_string(true)));
+    auto txt =
+        fmt::format(fmt::runtime(format_tooltip_), fmt::arg("title", title), fmt::arg("name", name),
+                    fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
+                    fmt::arg("short_state", state_string(true)));
    if (markup)
      button_.set_tooltip_markup(txt);
    else
--- a/src/modules/wlr/workspace_manager.cpp
+++ b/src/modules/wlr/workspace_manager.cpp
@ -169,7 +169,7 @@ WorkspaceManager::~WorkspaceManager() {

  wl_display *display = Client::inst()->wl_display;

-  // Send `stop` request and wait for one roundtrip. This is not quite correct as 
+  // Send `stop` request and wait for one roundtrip. This is not quite correct as
  // the protocol encourages us to wait for the .finished event, but it should work
  // with wlroots workspace manager implementation.
  zext_workspace_manager_v1_stop(workspace_manager_);
@ -379,7 +379,7 @@ Workspace::~Workspace() {
 }

 auto Workspace::update() -> void {
-  label_.set_markup(fmt::format(format_, fmt::arg("name", name_),
+  label_.set_markup(fmt::format(fmt::runtime(format_), fmt::arg("name", name_),
                                fmt::arg("icon", with_icon_ ? get_icon() : "")));
 }

--- a/test/SafeSignal.cpp
+++ b/test/SafeSignal.cpp
@ -2,7 +2,11 @@

 #include <glibmm.h>

-#include <catch2/catch_all.hpp>
+#if __has_include(<catch2/catch_test_macros.hpp>)
+#include <catch2/catch_test_macros.hpp>
+#else
+#include <catch2/catch.hpp>
+#endif
 #include <thread>
 #include <type_traits>

--- a/test/config.cpp
+++ b/test/config.cpp
@ -1,6 +1,10 @@
 #include "config.hpp"

-#include <catch2/catch_all.hpp>
+#if __has_include(<catch2/catch_test_macros.hpp>)
+#include <catch2/catch_test_macros.hpp>
+#else
+#include <catch2/catch.hpp>
+#endif

 TEST_CASE("Load simple config", "[config]") {
  waybar::Config conf;
--- a/test/date.cpp
+++ b/test/date.cpp
@ -0,0 +1,162 @@
+#include "util/date.hpp"
+
+#include <chrono>
+#include <ctime>
+#include <iomanip>
+#include <sstream>
+#include <stdexcept>
+
+#if __has_include(<catch2/catch_test_macros.hpp>)
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/matchers/catch_matchers_all.hpp>
+#else
+#include <catch2/catch.hpp>
+#endif
+
+#ifndef SKIP
+#define SKIP(...)    \
+  WARN(__VA_ARGS__); \
+  return
+#endif
+
+using namespace std::literals::chrono_literals;
+
+/*
+ * Check that the date/time formatter with locale and timezone support is working as expected.
+ */
+
+const date::zoned_time<std::chrono::seconds> TEST_TIME = date::zoned_time{
+    "UTC", date::local_days{date::Monday[1] / date::January / 2022} + 13h + 4min + 5s};
+
+/*
+ * Check if the date formatted with LC_TIME=en_US is within expectations.
+ *
+ * The check expects Glibc output style and will fail with FreeBSD (different implementation)
+ * or musl (no implementation).
+ */
+static const bool LC_TIME_is_sane = []() {
+  try {
+    std::stringstream ss;
+    ss.imbue(std::locale("en_US.UTF-8"));
+
+    time_t t = 1641211200;
+    std::tm tm = *std::gmtime(&t);
+
+    ss << std::put_time(&tm, "%x %X");
+    return ss.str() == "01/03/2022 12:00:00 PM";
+  } catch (std::exception &) {
+    return false;
+  }
+}();
+
+TEST_CASE("Format UTC time", "[clock][util]") {
+  const auto loc = std::locale("C");
+  const auto tm = TEST_TIME;
+
+  CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+  CHECK(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan  3 13:04:05 2022 UTC");
+  CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
+
+  if (!LC_TIME_is_sane) {
+    SKIP("Locale support check failed, skip tests");
+  }
+
+  /* Test a few locales that are most likely to be present */
+  SECTION("US locale") {
+    try {
+      const auto loc = std::locale("en_US.UTF-8");
+
+      CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format(loc, "{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
+      CHECK(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
+      CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_US not found, skip tests");
+    }
+  }
+  SECTION("GB locale") {
+    try {
+      const auto loc = std::locale("en_GB.UTF-8");
+
+      CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format(loc, "{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
+      CHECK(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 13:04:05");
+      CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_GB not found, skip tests");
+    }
+  }
+  SECTION("Global locale") {
+    try {
+      const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
+
+      CHECK(fmt::format("{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
+      CHECK(fmt::format("{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
+      CHECK(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
+
+      std::locale::global(loc);
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_US not found, skip tests");
+    }
+  }
+}
+
+TEST_CASE("Format zoned time", "[clock][util]") {
+  const auto loc = std::locale("C");
+  const auto tm = date::zoned_time{"America/New_York", TEST_TIME};
+
+  CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+  CHECK(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan  3 08:04:05 2022 EST");
+  CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
+
+  if (!LC_TIME_is_sane) {
+    SKIP("Locale support check failed, skip tests");
+  }
+
+  /* Test a few locales that are most likely to be present */
+  SECTION("US locale") {
+    try {
+      const auto loc = std::locale("en_US.UTF-8");
+
+      CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format(loc, "{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
+      CHECK(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
+      CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_US not found, skip tests");
+    }
+  }
+  SECTION("GB locale") {
+    try {
+      const auto loc = std::locale("en_GB.UTF-8");
+
+      CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format(loc, "{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
+      CHECK(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 08:04:05");
+      CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_GB not found, skip tests");
+    }
+  }
+  SECTION("Global locale") {
+    try {
+      const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
+
+      CHECK(fmt::format("{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
+      CHECK(fmt::format("{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
+      CHECK(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
+
+      std::locale::global(loc);
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_US not found, skip tests");
+    }
+  }
+}
--- a/test/main.cpp
+++ b/test/main.cpp
@ -3,8 +3,13 @@
 #include <spdlog/sinks/stdout_sinks.h>
 #include <spdlog/spdlog.h>

+#if __has_include(<catch2/catch_all.hpp>)
 #include <catch2/catch_all.hpp>
 #include <catch2/reporters/catch_reporter_tap.hpp>
+#else
+#include <catch2/catch.hpp>
+#include <catch2/catch_reporter_tap.hpp>
+#endif
 #include <memory>

 int main(int argc, char* argv[]) {
@ -13,10 +18,16 @@ int main(int argc, char* argv[]) {

  session.applyCommandLine(argc, argv);
  const auto logger = spdlog::default_logger();
+#if CATCH_VERSION_MAJOR >= 3
  for (const auto& spec : session.config().getReporterSpecs()) {
-    if (spec.name() == "tap") {
+    const auto& reporter_name = spec.name();
+#else
+  {
+    const auto& reporter_name = session.config().getReporterName();
+#endif
+    if (reporter_name == "tap") {
      spdlog::set_pattern("# [%l] %v");
-    } else if (spec.name() == "compact") {
+    } else if (reporter_name == "compact") {
      logger->sinks().clear();
    } else {
      logger->sinks().assign({std::make_shared<spdlog::sinks::stderr_sink_st>()});
--- a/test/meson.build
+++ b/test/meson.build
@ -15,7 +15,7 @@ test_src = files(

 if tz_dep.found()
  test_dep += tz_dep
-  test_src += files('waybar_time.cpp')
+  test_src += files('date.cpp')
 endif

 waybar_test = executable(
--- a/test/waybar_time.cpp
+++ b/test/waybar_time.cpp
@ -1,90 +0,0 @@
-#include "util/waybar_time.hpp"
-
-#include <date/date.h>
-#include <date/tz.h>
-
-#include <catch2/catch_all.hpp>
-#include <chrono>
-#include <stdexcept>
-
-using namespace std::literals::chrono_literals;
-
-/*
- * Check that the date/time formatter with locale and timezone support is working as expected.
- */
-
-const date::zoned_time<std::chrono::seconds> TEST_TIME = date::make_zoned(
-    "UTC", date::local_days{date::Monday[1] / date::January / 2022} + 13h + 4min + 5s);
-
-TEST_CASE("Format UTC time", "[clock][util]") {
-  waybar::waybar_time tm{std::locale("C"), TEST_TIME};
-
-  REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-  REQUIRE(fmt::format("{:%c %Z}", tm) == "Mon Jan  3 13:04:05 2022 UTC");
-  REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
-
-  /* Test a few locales that are most likely to be present */
-  SECTION("US locale") {
-    try {
-      tm.locale = std::locale("en_US");
-
-      REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-      REQUIRE_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
-                   Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
-      REQUIRE(fmt::format("{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
-      REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
-    } catch (const std::runtime_error&) {
-      // locale not found; ignore
-    }
-  }
-  SECTION("GB locale") {
-    try {
-      tm.locale = std::locale("en_GB");
-
-      REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-      REQUIRE_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
-                   Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
-      REQUIRE(fmt::format("{:%x %X}", tm) == "03/01/22 13:04:05");
-      REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
-    } catch (const std::runtime_error&) {
-      // locale not found; ignore
-    }
-  }
-}
-
-TEST_CASE("Format zoned time", "[clock][util]") {
-  waybar::waybar_time tm{std::locale("C"), date::make_zoned("America/New_York", TEST_TIME)};
-
-  REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-  REQUIRE(fmt::format("{:%c %Z}", tm) == "Mon Jan  3 08:04:05 2022 EST");
-  REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
-
-  /* Test a few locales that are most likely to be present */
-  SECTION("US locale") {
-    try {
-      tm.locale = std::locale("en_US");
-
-      REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-      REQUIRE_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
-                   Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
-      REQUIRE(fmt::format("{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
-      REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
-    } catch (const std::runtime_error&) {
-      // locale not found; ignore
-    }
-  }
-
-  SECTION("GB locale") {
-    try {
-      tm.locale = std::locale("en_GB");
-
-      REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-      REQUIRE_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
-                   Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
-      REQUIRE(fmt::format("{:%x %X}", tm) == "03/01/22 08:04:05");
-      REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
-    } catch (const std::runtime_error&) {
-      // locale not found; ignore
-    }
-  }
-}