chore: 0.10.0

feat: allow horizontal scroll

.clang-tidy

@@ -0,0 +1,29 @@
+Checks: >
+  -*,
+  bugprone-*
+  misc-*,
+  modernize-*,
+  performance-*,
+  portability-*,
+  readability-*,
+  -fuchsia-trailing-return,
+  -readability-magic-numbers,
+  -modernize-use-nodiscard,
+  -modernize-use-trailing-return-type,
+  -readability-braces-around-statements,
+  -readability-redundant-access-specifiers,
+  -readability-redundant-member-init,
+  -readability-redundant-string-init,
+  -readability-identifier-length
+CheckOptions:
+  - { key: readability-identifier-naming.NamespaceCase,          value: lower_case }
+  - { key: readability-identifier-naming.ClassCase,              value: CamelCase  }
+  - { key: readability-identifier-naming.StructCase,             value: CamelCase  }
+  - { key: readability-identifier-naming.FunctionCase,           value: camelBack  }
+  - { key: readability-identifier-naming.VariableCase,           value: camelBack  }
+  - { key: readability-identifier-naming.PrivateMemberCase,      value: camelBack  }
+  - { key: readability-identifier-naming.PrivateMemberSuffix,    value: _          }
+  - { key: readability-identifier-naming.EnumCase,               value: CamelCase  }
+  - { key: readability-identifier-naming.EnumConstantCase,       value: UPPER_CASE }
+  - { key: readability-identifier-naming.GlobalConstantCase,     value: UPPER_CASE }
+  - { key: readability-identifier-naming.StaticConstantCase,     value: UPPER_CASE }

.envrc

@@ -0,0 +1 @@
+use flake

.github/labeler.yml

@@ -0,0 +1,65 @@
+bug:
+  - "(crash|bug|error|coredump|freeze|segfault|issue|problem)"
+
+enhancement:
+  - "(feature|enhancement|improvement|request|suggestion)"
+
+hyprland:
+  - "(hyprland)"
+
+network:
+  - "(network|wifi|ethernet)"
+
+bluetooth:
+  - "(bluetooth|bluez)"
+
+sway:
+  - "(sway)"
+
+cpu:
+  - "(cpu)"
+
+memory:
+  - "(memory|ram)"
+
+disk:
+  - "(disk|storage)"
+
+battery:
+  - "(upower|battery)"
+
+sni:
+  - "(sni|tray)"
+
+dwl:
+  - "(dwl)"
+
+custom:
+  - "(custom|module|extension|plugin|script)"
+
+mpd:
+  - "(mpd|music)"
+
+audio:
+  - "(pulseaudio|alsa|jack|audio|pirewire|wireplumber)"
+
+temperature:
+  - "(temperature|thermal|hwmon)"
+
+clock:
+  - "(clock|time|date)"
+
+gamemode:
+  - "(gamemode|game|gaming)"
+
+inhibitor:
+  - "(inhibitor|idle|lock|suspend|hibernate|logout)"
+
+cava:
+  - "(cava|audio-visualizer)"
+
+backlight:
+  - "(backlight|brightness)"
+
+keyboard:
+  - "(keyboard|keymap|layout|shortcut)"

.github/workflows/clang-format.yml

@@ -0,0 +1,19 @@
+name: clang-format
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-format-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: DoozyX/clang-format-lint-action@v0.16.2
+        name: clang-format
+        with:
+          source: "."
+          extensions: "hpp,h,cpp,c"
+          clangFormatVersion: 16

.github/workflows/clang-tidy.yml

@@ -0,0 +1,39 @@
+name: clang-tidy
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-tidy-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: alexays/waybar:debian
+    steps:
+      - uses: actions/checkout@v3
+      - name: configure
+        run: |
+          meson -Dcpp_std=c++20 build  # necessary to generate compile_commands.json
+          ninja -C build               # necessary to find certain .h files (xdg, wayland, etc.)
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'   # to be kept in sync with cpp-linter-action
+          update-environment: true # the python dist installed by the action needs LD_LIBRARY_PATH to work
+      - uses: cpp-linter/cpp-linter-action@v2.9.1
+        name: clang-tidy
+        id: clang-tidy-check
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PIP_NO_CACHE_DIR: false
+        with:
+          style: "" # empty string => don't do clang-format checks here, we do them in clang-format.yml
+          files-changed-only: true # only check files that have changed
+          lines-changed-only: true # only check lines that have changed
+          tidy-checks: "" # empty string => use the .clang-tidy file
+          version: "17" # clang-tools version
+          database: "build" # path to the compile_commands.json file
+      - name: Check if clang-tidy failed on any files
+        if: steps.clang-tidy-check.outputs.checks-failed > 0
+        run: echo "Some files failed the linting checks!" && exit 1

.github/workflows/freebsd.yml

@@ -1,29 +1,36 @@
 name: freebsd
 
-on: [ push, pull_request ]
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-freebsd-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 
 jobs:
   clang:
-    # Run actions in a FreeBSD VM on the macos-12 runner
+    # Run actions in a FreeBSD VM on the ubuntu runner
     # https://github.com/actions/runner/issues/385 - for FreeBSD runner support
-    # https://github.com/actions/virtual-environments/issues/4060 - for lack of VirtualBox on MacOS 11 runners
-    runs-on: macos-12
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Test in FreeBSD VM
-      uses: vmactions/freebsd-vm@v0
-      with:
-        mem: 2048
-        usesh: true
-        prepare: |
-          export CPPFLAGS=-isystem/usr/local/include LDFLAGS=-L/usr/local/lib # sndio
-          sed -i '' 's/quarterly/latest/' /etc/pkg/FreeBSD.conf
-          pkg install -y git #  subprojects/date
-          pkg install -y catch evdev-proto gtk-layer-shell gtkmm30 jsoncpp \
-            libdbusmenu libevdev libfmt libmpdclient libudev-devd meson \
-            pkgconf pulseaudio scdoc sndio spdlog wayland-protocols upower \
-            libinotify
-        run: |
-          meson build -Dman-pages=enabled
-          ninja -C build
-          meson test -C build --no-rebuild --print-errorlogs --suite waybar
+      - uses: actions/checkout@v3
+      - name: Test in FreeBSD VM
+        uses: cross-platform-actions/action@v0.23.0
+        timeout-minutes: 180
+        env:
+          CPPFLAGS: '-isystem/usr/local/include'
+          LDFLAGS:  '-L/usr/local/lib'
+        with:
+          operating_system: freebsd
+          version: "13.2"
+          environment_variables: CPPFLAGS LDFLAGS
+          sync_files: runner-to-vm
+          run: |
+            sudo sed -i '' 's/quarterly/latest/' /etc/pkg/FreeBSD.conf
+            sudo pkg install -y git #  subprojects/date
+            sudo pkg install -y catch evdev-proto gtk-layer-shell gtkmm30 jsoncpp \
+              libdbusmenu libevdev libfmt libmpdclient libudev-devd meson \
+              pkgconf pulseaudio scdoc sndio spdlog wayland-protocols upower \
+              libinotify
+            meson build -Dman-pages=enabled
+            ninja -C build
+            meson test -C build --no-rebuild --print-errorlogs --suite waybar

.github/workflows/labeler.yml

@@ -0,0 +1,19 @@
+name: "Issue Labeler"
+on:
+  issues:
+    types: [opened, edited]
+
+permissions:
+  issues: write
+  contents: read
+
+jobs:
+  triage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: github/issue-labeler@v3.4
+        with:
+          configuration-path: .github/labeler.yml
+          enable-versioned-regex: 0
+          include-title: 1
+          repo-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/lint.yml

@@ -1,14 +0,0 @@
-name: Linter
-
-on: [push, pull_request]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - uses: DoozyX/clang-format-lint-action@v0.13
-      with:
-        source: '.'
-        extensions: 'h,cpp,c'
-        clangFormatVersion: 12

.github/workflows/linux.yml

@@ -2,6 +2,10 @@ name: linux
 
 on: [push, pull_request]
 
+concurrency:
+  group: ${{ github.workflow }}-linux-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     strategy:
@@ -13,16 +17,17 @@ jobs:
           - fedora
           - opensuse
           - gentoo
+        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: make test

.gitignore

@@ -43,3 +43,8 @@ packagecache
 *.exe
 *.out
 *.app
+/.direnv/
+
+# Nix
+result
+result-*

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 iniparser fftw && \
+    sed -Ei 's/#(en_(US|GB)\.UTF)/\1/' /etc/locale.gen && locale-gen

Dockerfiles/debian

@@ -2,6 +2,48 @@
 
 FROM debian:sid
 
-RUN apt-get update && \
-    apt-get install -y build-essential meson ninja-build git pkg-config libinput10 libpugixml-dev libinput-dev wayland-protocols libwayland-client0 libwayland-cursor0 libwayland-dev libegl1-mesa-dev libgles2-mesa-dev libgbm-dev libxkbcommon-dev libudev-dev libpixman-1-dev libgtkmm-3.0-dev libjsoncpp-dev scdoc libdbusmenu-gtk3-dev libnl-3-dev libnl-genl-3-dev libpulse-dev libmpdclient-dev gobject-introspection libgirepository1.0-dev libxkbcommon-dev libxkbregistry-dev libxkbregistry0 libplayerctl-dev && \
-    apt-get clean
+RUN apt update && \
+    apt install --no-install-recommends --no-install-suggests -y \
+        build-essential \
+        catch2 \
+        cmake \
+        git \
+        gobject-introspection \
+        libdbusmenu-gtk3-dev \
+        libegl1-mesa-dev \
+        libfmt-dev \
+        libgbm-dev \
+        libgirepository1.0-dev \
+        libgles2-mesa-dev \
+        libgtk-layer-shell-dev \
+        libgtkmm-3.0-dev \
+        libhowardhinnant-date-dev \
+        libiniparser-dev \
+        libinput-dev     \
+        libjack-jackd2-dev \
+        libjsoncpp-dev \
+        libmpdclient-dev \
+        libnl-3-dev \
+        libnl-genl-3-dev \
+        libpixman-1-dev  \
+        libplayerctl-dev \
+        libpugixml-dev \
+        libpulse-dev \
+        libsndio-dev \
+        libspdlog-dev \
+        libudev-dev \
+        libupower-glib-dev \
+        libwayland-dev \
+        libwireplumber-0.4-dev \
+        libxkbcommon-dev \
+        libxkbregistry-dev \
+        locales \
+        meson \
+        ninja-build \
+        pkg-config \
+        python3-pip \
+        python3-venv \
+        scdoc \
+        sudo \
+        wayland-protocols \
+    && apt clean

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

Dockerfiles/gentoo

@@ -6,6 +6,6 @@ RUN export FEATURES="-ipc-sandbox -network-sandbox -pid-sandbox -sandbox -usersa
 		emerge --sync && \
 		eselect news read --quiet new 1>/dev/null 2>&1 && \
 		emerge --verbose --update --deep --with-bdeps=y --backtrack=30 --newuse @world && \
-		USE="wayland gtk3 gtk -doc X" emerge dev-vcs/git dev-libs/wayland dev-libs/wayland-protocols =dev-cpp/gtkmm-3.24.6 x11-libs/libxkbcommon \
+		USE="wayland gtk3 gtk -doc X pulseaudio minimal" emerge dev-vcs/git dev-libs/wayland dev-libs/wayland-protocols =dev-cpp/gtkmm-3.24.6 x11-libs/libxkbcommon \
 		x11-libs/gtk+:3 dev-libs/libdbusmenu dev-libs/libnl sys-power/upower media-libs/libpulse dev-libs/libevdev media-libs/libmpdclient \
-		media-sound/sndio gui-libs/gtk-layer-shell app-text/scdoc media-sound/playerctl
+		media-sound/sndio gui-libs/gtk-layer-shell app-text/scdoc media-sound/playerctl dev-libs/iniparser sci-libs/fftw

Makefile

@@ -19,5 +19,9 @@ run: build
 debug-run: build-debug
 	./build/waybar --log-level debug
 
+test:
+	meson test -C build --no-rebuild --verbose --suite waybar
+.PHONY: test
+
 clean:
 	rm -rf build

README.md

@@ -1,21 +1,23 @@
 # Waybar [![Licence](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE) [![Paypal Donate](https://img.shields.io/badge/Donate-Paypal-2244dd.svg)](https://paypal.me/ARouillard)<br>![Waybar](https://raw.githubusercontent.com/alexays/waybar/master/preview-2.png)
 
 > Highly customizable Wayland bar for Sway and Wlroots based compositors.<br>
-> Available in Arch [community](https://www.archlinux.org/packages/community/x86_64/waybar/) or
-[AUR](https://aur.archlinux.org/packages/waybar-git/), [Gentoo](https://packages.gentoo.org/packages/gui-apps/waybar), [openSUSE](https://build.opensuse.org/package/show/X11:Wayland/waybar), and [Alpine Linux](https://pkgs.alpinelinux.org/packages?name=waybar).<br>
+> Available in [all major distributions](https://github.com/Alexays/Waybar/wiki/Installation)<br>
 > *Waybar [examples](https://github.com/Alexays/Waybar/wiki/Examples)*
 
 #### Current features
 - Sway (Workspaces, Binding mode, Focused window name)
 - River (Mapping mode, Tags, Focused window name)
-- Hyprland (Focused window name)
+- Hyprland (Window Icons, Workspaces, Focused window name)
+- DWL (Tags) [requires dwl ipc patch](https://github.com/djpohly/dwl/wiki/ipc)
 - Tray [#21](https://github.com/Alexays/Waybar/issues/21)
 - Local time
 - Battery
 - UPower
+- Power profiles daemon
 - Network
 - Bluetooth
 - Pulseaudio
+- Privacy Info
 - Wireplumber
 - Disk
 - Memory

default.nix

@@ -0,0 +1,10 @@
+(import
+  (
+    let lock = builtins.fromJSON (builtins.readFile ./flake.lock); in
+    fetchTarball {
+      url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+      sha256 = lock.nodes.flake-compat.locked.narHash;
+    }
+  )
+  { src = ./.; }
+).defaultNix

flake.lock

@@ -0,0 +1,44 @@
+{
+  "nodes": {
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1704538339,
+        "narHash": "sha256-1734d3mQuux9ySvwf6axRWZRBhtcZA9Q8eftD6EZg6U=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "46ae0210ce163b3cba6c7da08840c1d63de9c701",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,67 @@
+{
+  description = "Highly customizable Wayland bar for Sway and Wlroots based compositors";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-compat = {
+      url = "github:edolstra/flake-compat";
+      flake = false;
+    };
+  };
+
+  outputs = { self, nixpkgs, ... }:
+    let
+      inherit (nixpkgs) lib;
+      genSystems = func: lib.genAttrs [
+        "x86_64-linux"
+        "aarch64-linux"
+      ]
+        (system: func (import nixpkgs { inherit system; }));
+
+      mkDate = longDate: (lib.concatStringsSep "-" [
+        (builtins.substring 0 4 longDate)
+        (builtins.substring 4 2 longDate)
+        (builtins.substring 6 2 longDate)
+      ]);
+    in
+    {
+      devShells = genSystems
+        (pkgs:
+          {
+            default =
+              pkgs.mkShell
+                {
+                  name = "waybar-shell";
+
+                  # inherit attributes from upstream nixpkgs derivation
+                  inherit (pkgs.waybar) buildInputs depsBuildBuild depsBuildBuildPropagated depsBuildTarget
+                    depsBuildTargetPropagated depsHostHost depsHostHostPropagated depsTargetTarget
+                    depsTargetTargetPropagated propagatedBuildInputs propagatedNativeBuildInputs strictDeps;
+
+                  # overrides for local development
+                  nativeBuildInputs = pkgs.waybar.nativeBuildInputs ++ (with pkgs; [
+                    clang-tools
+                    gdb
+                  ]);
+                };
+          });
+
+      overlays.default = final: prev: {
+        waybar = final.callPackage ./nix/default.nix {
+          # take the first "version: '...'" from meson.build
+          version =
+            (builtins.head (builtins.split "'"
+              (builtins.elemAt
+                (builtins.split " version: '" (builtins.readFile ./meson.build))
+                2)))
+            + "+date=" + (mkDate (self.lastModifiedDate or "19700101")) + "_" + (self.shortRev or "dirty");
+        };
+      };
+
+      packages = genSystems (pkgs:
+        let packages = self.overlays.default pkgs pkgs;
+        in packages // {
+          default = packages.waybar;
+        });
+    };
+}

include/AAppIconLabel.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <gtkmm/box.h>
+#include <gtkmm/image.h>
+
+#include "AIconLabel.hpp"
+
+namespace waybar {
+
+class AAppIconLabel : public AIconLabel {
+ public:
+  AAppIconLabel(const Json::Value &config, const std::string &name, const std::string &id,
+                const std::string &format, uint16_t interval = 0, bool ellipsize = false,
+                bool enable_click = false, bool enable_scroll = false);
+  virtual ~AAppIconLabel() = default;
+  auto update() -> void override;
+
+ protected:
+  void updateAppIconName(const std::string &app_identifier,
+                         const std::string &alternative_app_identifier);
+  void updateAppIcon();
+  unsigned app_icon_size_{24};
+  bool update_app_icon_{true};
+  std::string app_icon_name_;
+};
+
+}  // namespace waybar

include/AIconLabel.hpp

@@ -13,7 +13,7 @@ class AIconLabel : public ALabel {
              const std::string &format, uint16_t interval = 0, bool ellipsize = false,
              bool enable_click = false, bool enable_scroll = false);
   virtual ~AIconLabel() = default;
-  virtual auto update() -> void;
+  auto update() -> void override;
 
  protected:
   Gtk::Image image_;

include/ALabel.hpp

@@ -14,7 +14,7 @@ class ALabel : public AModule {
          uint16_t interval = 0, bool ellipsize = false, bool enable_click = false,
          bool enable_scroll = false);
   virtual ~ALabel() = default;
-  virtual auto update() -> void;
+  auto update() -> void override;
   virtual std::string getIcon(uint16_t, const std::string &alt = "", uint16_t max = 0);
   virtual std::string getIcon(uint16_t, const std::vector<std::string> &alts, uint16_t max = 0);
 
@@ -25,7 +25,7 @@ class ALabel : public AModule {
   bool alt_ = false;
   std::string default_format_;
 
-  virtual bool handleToggle(GdkEventButton *const &e);
+  bool handleToggle(GdkEventButton *const &e) override;
   virtual std::string getState(uint8_t value, bool lesser = false);
 };
 

include/AModule.hpp

@@ -11,15 +11,23 @@ namespace waybar {
 
 class AModule : public IModule {
  public:
-  AModule(const Json::Value &, const std::string &, const std::string &, bool enable_click = false,
-          bool enable_scroll = false);
-  virtual ~AModule();
-  virtual auto update() -> void;
-  virtual operator Gtk::Widget &();
+  static constexpr const char *MODULE_CLASS = "module";
 
+  virtual ~AModule();
+  auto update() -> void override;
+  virtual auto refresh(int) -> void{};
+  operator Gtk::Widget &() override;
+  auto doAction(const std::string &name) -> void override;
+
+  /// Emitting on this dispatcher triggers a update() call
   Glib::Dispatcher dp;
 
  protected:
+  // Don't need to make an object directly
+  // Derived classes are able to use it
+  AModule(const Json::Value &, const std::string &, const std::string &, bool enable_click = false,
+          bool enable_scroll = false);
+
   enum SCROLL_DIR { NONE, UP, DOWN, LEFT, RIGHT };
 
   SCROLL_DIR getScrollDir(GdkEventScroll *e);
@@ -31,25 +39,34 @@ class AModule : public IModule {
 
   virtual bool handleToggle(GdkEventButton *const &ev);
   virtual bool handleScroll(GdkEventScroll *);
+  virtual bool handleRelease(GdkEventButton *const &ev);
 
  private:
+  bool handleUserEvent(GdkEventButton *const &ev);
+  const bool isTooltip;
   std::vector<int> pid_;
   gdouble distance_scrolled_y_;
   gdouble distance_scrolled_x_;
+  std::map<std::string, std::string> eventActionMap_;
   static const inline std::map<std::pair<uint, GdkEventType>, std::string> eventMap_{
       {std::make_pair(1, GdkEventType::GDK_BUTTON_PRESS), "on-click"},
+      {std::make_pair(1, GdkEventType::GDK_BUTTON_RELEASE), "on-click-release"},
       {std::make_pair(1, GdkEventType::GDK_2BUTTON_PRESS), "on-double-click"},
       {std::make_pair(1, GdkEventType::GDK_3BUTTON_PRESS), "on-triple-click"},
       {std::make_pair(2, GdkEventType::GDK_BUTTON_PRESS), "on-click-middle"},
+      {std::make_pair(2, GdkEventType::GDK_BUTTON_RELEASE), "on-click-middle-release"},
       {std::make_pair(2, GdkEventType::GDK_2BUTTON_PRESS), "on-double-click-middle"},
       {std::make_pair(2, GdkEventType::GDK_3BUTTON_PRESS), "on-triple-click-middle"},
       {std::make_pair(3, GdkEventType::GDK_BUTTON_PRESS), "on-click-right"},
+      {std::make_pair(3, GdkEventType::GDK_BUTTON_RELEASE), "on-click-right-release"},
       {std::make_pair(3, GdkEventType::GDK_2BUTTON_PRESS), "on-double-click-right"},
       {std::make_pair(3, GdkEventType::GDK_3BUTTON_PRESS), "on-triple-click-right"},
       {std::make_pair(8, GdkEventType::GDK_BUTTON_PRESS), "on-click-backward"},
+      {std::make_pair(8, GdkEventType::GDK_BUTTON_RELEASE), "on-click-backward-release"},
       {std::make_pair(8, GdkEventType::GDK_2BUTTON_PRESS), "on-double-click-backward"},
       {std::make_pair(8, GdkEventType::GDK_3BUTTON_PRESS), "on-triple-click-backward"},
       {std::make_pair(9, GdkEventType::GDK_BUTTON_PRESS), "on-click-forward"},
+      {std::make_pair(9, GdkEventType::GDK_BUTTON_RELEASE), "on-click-forward-release"},
       {std::make_pair(9, GdkEventType::GDK_2BUTTON_PRESS), "on-double-click-forward"},
       {std::make_pair(9, GdkEventType::GDK_3BUTTON_PRESS), "on-triple-click-forward"}};
 };

include/ASlider.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "AModule.hpp"
+#include "gtkmm/scale.h"
+
+namespace waybar {
+
+class ASlider : public AModule {
+ public:
+  ASlider(const Json::Value& config, const std::string& name, const std::string& id);
+  virtual void onValueChanged();
+
+ protected:
+  bool vertical_ = false;
+  int min_ = 0, max_ = 100, curr_ = 50;
+  Gtk::Scale scale_;
+};
+
+}  // namespace waybar

include/IModule.hpp

@@ -9,6 +9,7 @@ class IModule {
   virtual ~IModule() = default;
   virtual auto update() -> void = 0;
   virtual operator Gtk::Widget&() = 0;
+  virtual auto doAction(const std::string& name) -> void = 0;
 };
 
 }  // namespace waybar

include/bar.hpp

@@ -12,6 +12,7 @@
 #include <vector>
 
 #include "AModule.hpp"
+#include "group.hpp"
 #include "xdg-output-unstable-v1-client-protocol.h"
 
 namespace waybar {
@@ -52,34 +53,18 @@ class BarIpcClient;
 }
 #endif  // HAVE_SWAY
 
-class BarSurface {
- protected:
-  BarSurface() = default;
-
- public:
-  virtual void setExclusiveZone(bool enable) = 0;
-  virtual void setLayer(bar_layer layer) = 0;
-  virtual void setMargins(const struct bar_margins &margins) = 0;
-  virtual void setPassThrough(bool enable) = 0;
-  virtual void setPosition(const std::string_view &position) = 0;
-  virtual void setSize(uint32_t width, uint32_t height) = 0;
-  virtual void commit(){};
-
-  virtual ~BarSurface() = default;
-};
-
 class Bar {
  public:
-  using bar_mode_map = std::map<std::string_view, struct bar_mode>;
+  using bar_mode_map = std::map<std::string, struct bar_mode>;
   static const bar_mode_map PRESET_MODES;
-  static const std::string_view MODE_DEFAULT;
-  static const std::string_view MODE_INVISIBLE;
+  static const std::string MODE_DEFAULT;
+  static const std::string MODE_INVISIBLE;
 
   Bar(struct waybar_output *w_output, const Json::Value &);
   Bar(const Bar &) = delete;
   ~Bar();
 
-  void setMode(const std::string_view &);
+  void setMode(const std::string &mode);
   void setVisible(bool visible);
   void toggle();
   void handleSignal(int);
@@ -88,8 +73,12 @@ class Bar {
   Json::Value config;
   struct wl_surface *surface;
   bool visible = true;
-  bool vertical = false;
   Gtk::Window window;
+  Gtk::Orientation orientation = Gtk::ORIENTATION_HORIZONTAL;
+  Gtk::PositionType position = Gtk::POS_TOP;
+
+  int x_global;
+  int y_global;
 
 #ifdef HAVE_SWAY
   std::string bar_id;
@@ -98,16 +87,24 @@ class Bar {
  private:
   void onMap(GdkEventAny *);
   auto setupWidgets() -> void;
-  void getModules(const Factory &, const std::string &, Gtk::Box *);
+  void getModules(const Factory &, const std::string &, waybar::Group *);
   void setupAltFormatKeyForModule(const std::string &module_name);
   void setupAltFormatKeyForModuleList(const char *module_list_name);
   void setMode(const bar_mode &);
+  void setPassThrough(bool passthrough);
+  void setPosition(Gtk::PositionType position);
+  void onConfigure(GdkEventConfigure *ev);
+  void configureGlobalOffset(int width, int height);
+  void onOutputGeometryChanged();
 
   /* Copy initial set of modes to allow customization */
   bar_mode_map configured_modes = PRESET_MODES;
   std::string last_mode_{MODE_DEFAULT};
 
-  std::unique_ptr<BarSurface> surface_impl_;
+  struct bar_margins margins_;
+  uint32_t width_, height_;
+  bool passthrough_;
+
   Gtk::Box left_;
   Gtk::Box center_;
   Gtk::Box right_;

include/client.hpp

@@ -7,8 +7,9 @@
 
 #include "bar.hpp"
 #include "config.hpp"
+#include "util/css_reload_helper.hpp"
+#include "util/portal.hpp"
 
-struct zwlr_layer_shell_v1;
 struct zwp_idle_inhibitor_v1;
 struct zwp_idle_inhibit_manager_v1;
 
@@ -24,7 +25,6 @@ class Client {
   Glib::RefPtr<Gdk::Display> gdk_display;
   struct wl_display *wl_display = nullptr;
   struct wl_registry *registry = nullptr;
-  struct zwlr_layer_shell_v1 *layer_shell = nullptr;
   struct zxdg_output_manager_v1 *xdg_output_manager = nullptr;
   struct zwp_idle_inhibit_manager_v1 *idle_inhibit_manager = nullptr;
   std::vector<std::unique_ptr<Bar>> bars;
@@ -33,7 +33,7 @@ class Client {
 
  private:
   Client() = default;
-  const std::string getStyle(const std::string &style);
+  const std::string getStyle(const std::string &style, std::optional<Appearance> appearance);
   void bindInterfaces();
   void handleOutput(struct waybar_output &output);
   auto setupCss(const std::string &css_file) -> void;
@@ -52,7 +52,10 @@ class Client {
 
   Glib::RefPtr<Gtk::StyleContext> style_context_;
   Glib::RefPtr<Gtk::CssProvider> css_provider_;
+  std::unique_ptr<Portal> portal;
   std::list<struct waybar_output> outputs_;
+  std::unique_ptr<CssReloadHelper> m_cssReloadHelper;
+  std::string m_cssFile;
 };
 
 }  // namespace waybar

include/factory.hpp

@@ -1,96 +1,17 @@
 #pragma once
 
 #include <json/json.h>
-#ifdef HAVE_LIBDATE
-#include "modules/clock.hpp"
-#else
-#include "modules/simpleclock.hpp"
-#endif
-#ifdef HAVE_SWAY
-#include "modules/sway/language.hpp"
-#include "modules/sway/mode.hpp"
-#include "modules/sway/scratchpad.hpp"
-#include "modules/sway/window.hpp"
-#include "modules/sway/workspaces.hpp"
-#endif
-#ifdef HAVE_WLR
-#include "modules/wlr/taskbar.hpp"
-#include "modules/wlr/workspace_manager.hpp"
-#endif
-#ifdef HAVE_RIVER
-#include "modules/river/mode.hpp"
-#include "modules/river/tags.hpp"
-#include "modules/river/window.hpp"
-#endif
-#ifdef HAVE_HYPRLAND
-#include "modules/hyprland/backend.hpp"
-#include "modules/hyprland/language.hpp"
-#include "modules/hyprland/submap.hpp"
-#include "modules/hyprland/window.hpp"
-#endif
-#if defined(__FreeBSD__) || (defined(__linux__) && !defined(NO_FILESYSTEM))
-#include "modules/battery.hpp"
-#endif
-#if defined(HAVE_CPU_LINUX) || defined(HAVE_CPU_BSD)
-#include "modules/cpu.hpp"
-#endif
-#include "modules/idle_inhibitor.hpp"
-#if defined(HAVE_MEMORY_LINUX) || defined(HAVE_MEMORY_BSD)
-#include "modules/memory.hpp"
-#endif
-#include "modules/disk.hpp"
-#ifdef HAVE_DBUSMENU
-#include "modules/sni/tray.hpp"
-#endif
-#ifdef HAVE_MPRIS
-#include "modules/mpris/mpris.hpp"
-#endif
-#ifdef HAVE_LIBNL
-#include "modules/network.hpp"
-#endif
-#ifdef HAVE_LIBUDEV
-#include "modules/backlight.hpp"
-#endif
-#ifdef HAVE_LIBEVDEV
-#include "modules/keyboard_state.hpp"
-#endif
-#ifdef HAVE_GAMEMODE
-#include "modules/gamemode.hpp"
-#endif
-#ifdef HAVE_UPOWER
-#include "modules/upower/upower.hpp"
-#endif
-#ifdef HAVE_LIBPULSE
-#include "modules/pulseaudio.hpp"
-#endif
-#ifdef HAVE_LIBMPDCLIENT
-#include "modules/mpd/mpd.hpp"
-#endif
-#ifdef HAVE_LIBSNDIO
-#include "modules/sndio.hpp"
-#endif
-#ifdef HAVE_GIO_UNIX
-#include "modules/bluetooth.hpp"
-#include "modules/inhibitor.hpp"
-#endif
-#ifdef HAVE_LIBJACK
-#include "modules/jack.hpp"
-#endif
-#ifdef HAVE_LIBWIREPLUMBER
-#include "modules/wireplumber.hpp"
-#endif
-#include "bar.hpp"
-#include "modules/custom.hpp"
-#include "modules/image.hpp"
-#include "modules/temperature.hpp"
-#include "modules/user.hpp"
+
+#include <AModule.hpp>
 
 namespace waybar {
 
+class Bar;
+
 class Factory {
  public:
   Factory(const Bar& bar, const Json::Value& config);
-  AModule* makeModule(const std::string& name) const;
+  AModule* makeModule(const std::string& name, const std::string& pos) const;
 
  private:
   const Bar& bar_;

include/group.hpp

@@ -5,18 +5,31 @@
 #include <json/json.h>
 
 #include "AModule.hpp"
-#include "bar.hpp"
-#include "factory.hpp"
+#include "gtkmm/revealer.h"
 
 namespace waybar {
 
 class Group : public AModule {
  public:
-  Group(const std::string&, const Bar&, const Json::Value&);
-  ~Group() = default;
-  auto update() -> void;
-  operator Gtk::Widget&();
+  Group(const std::string&, const std::string&, const Json::Value&, bool);
+  virtual ~Group() = default;
+  auto update() -> void override;
+  operator Gtk::Widget&() override;
+
+  virtual Gtk::Box& getBox();
+  void addWidget(Gtk::Widget& widget);
+
+  bool handleMouseHover(GdkEventCrossing* const& e);
+
+ protected:
   Gtk::Box box;
+  Gtk::Box revealer_box;
+  Gtk::Revealer revealer;
+  bool is_first_widget = true;
+  bool is_drawer = false;
+  std::string add_class_to_drawer_children;
+
+  void addHoverHandlerTo(Gtk::Widget& widget);
 };
 
 }  // namespace waybar

include/modules/backlight.hpp

@@ -1,13 +1,14 @@
 #pragma once
 
+#include <memory>
 #include <optional>
 #include <string>
 #include <string_view>
 #include <vector>
 
 #include "ALabel.hpp"
+#include "util/backlight_backend.hpp"
 #include "util/json.hpp"
-#include "util/sleeper_thread.hpp"
 
 struct udev;
 struct udev_device;
@@ -15,50 +16,17 @@ struct udev_device;
 namespace waybar::modules {
 
 class Backlight : public ALabel {
-  class BacklightDev {
-   public:
-    BacklightDev() = default;
-    BacklightDev(std::string name, int actual, int max, bool powered);
-    std::string_view name() const;
-    int get_actual() const;
-    void set_actual(int actual);
-    int get_max() const;
-    void set_max(int max);
-    bool get_powered() const;
-    void set_powered(bool powered);
-    friend inline bool operator==(const BacklightDev &lhs, const BacklightDev &rhs) {
-      return lhs.name_ == rhs.name_ && lhs.actual_ == rhs.actual_ && lhs.max_ == rhs.max_;
-    }
-
-   private:
-    std::string name_;
-    int actual_ = 1;
-    int max_ = 1;
-    bool powered_ = true;
-  };
-
  public:
   Backlight(const std::string &, const Json::Value &);
-  ~Backlight();
-  auto update() -> void;
+  virtual ~Backlight() = default;
+  auto update() -> void override;
 
- private:
-  template <class ForwardIt>
-  static const BacklightDev *best_device(ForwardIt first, ForwardIt last, std::string_view);
-  template <class ForwardIt, class Inserter>
-  static void upsert_device(ForwardIt first, ForwardIt last, Inserter inserter, udev_device *dev);
-  template <class ForwardIt, class Inserter>
-  static void enumerate_devices(ForwardIt first, ForwardIt last, Inserter inserter, udev *udev);
+  bool handleScroll(GdkEventScroll *e) override;
 
   const std::string preferred_device_;
-  static constexpr int EPOLL_MAX_EVENTS = 16;
 
-  std::optional<BacklightDev> previous_best_;
   std::string previous_format_;
 
-  std::mutex udev_thread_mutex_;
-  std::vector<BacklightDev> devices_;
-  // thread must destruct before shared data
-  util::SleeperThread udev_thread_;
+  util::BacklightBackend backend;
 };
 }  // namespace waybar::modules

include/modules/backlight_slider.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <chrono>
+
+#include "ASlider.hpp"
+#include "util/backlight_backend.hpp"
+
+namespace waybar::modules {
+
+class BacklightSlider : public ASlider {
+ public:
+  BacklightSlider(const std::string&, const Json::Value&);
+  virtual ~BacklightSlider() = default;
+
+  void update() override;
+  void onValueChanged() override;
+
+ private:
+  std::chrono::milliseconds interval_;
+  std::string preferred_device_;
+  util::BacklightBackend backend;
+};
+
+}  // namespace waybar::modules

include/modules/battery.hpp

@@ -1,11 +1,8 @@
 #pragma once
 
-#ifdef FILESYSTEM_EXPERIMENTAL
-#include <experimental/filesystem>
-#else
-#include <filesystem>
-#endif
 #include <fmt/format.h>
+
+#include <filesystem>
 #if defined(__linux__)
 #include <sys/inotify.h>
 #endif
@@ -16,21 +13,18 @@
 #include <vector>
 
 #include "ALabel.hpp"
+#include "bar.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
 
-#ifdef FILESYSTEM_EXPERIMENTAL
-namespace fs = std::experimental::filesystem;
-#else
 namespace fs = std::filesystem;
-#endif
 
 class Battery : public ALabel {
  public:
-  Battery(const std::string&, const Json::Value&);
-  ~Battery();
-  auto update() -> void;
+  Battery(const std::string&, const waybar::Bar&, const Json::Value&);
+  virtual ~Battery();
+  auto update() -> void override;
 
  private:
   static inline const fs::path data_dir_ = "/sys/class/power_supply/";
@@ -40,6 +34,7 @@ class Battery : public ALabel {
   const std::string getAdapterStatus(uint8_t capacity) const;
   const std::tuple<uint8_t, float, std::string, float> getInfos();
   const std::string formatTimeRemaining(float hoursRemaining);
+  void setBarClass(std::string&);
 
   int global_watch;
   std::map<fs::path, int> batteries_;
@@ -49,6 +44,7 @@ class Battery : public ALabel {
   std::mutex battery_list_mutex_;
   std::string old_status_;
   bool warnFirstTime_{true};
+  const Bar& bar_;
 
   util::SleeperThread thread_;
   util::SleeperThread thread_battery_update_;

include/modules/bluetooth.hpp

@@ -45,8 +45,8 @@ class Bluetooth : public ALabel {
 
  public:
   Bluetooth(const std::string&, const Json::Value&);
-  ~Bluetooth() = default;
-  auto update() -> void;
+  virtual ~Bluetooth() = default;
+  auto update() -> void override;
 
  private:
   static auto onInterfaceAddedOrRemoved(GDBusObjectManager*, GDBusObject*, GDBusInterface*,
@@ -59,7 +59,8 @@ class Bluetooth : public ALabel {
   auto getDeviceProperties(GDBusObject*, DeviceInfo&) -> bool;
   auto getControllerProperties(GDBusObject*, ControllerInfo&) -> bool;
 
-  auto findCurController(ControllerInfo&) -> bool;
+  // Returns std::nullopt if no controller could be found
+  auto findCurController() -> std::optional<ControllerInfo>;
   auto findConnectedDevices(const std::string&, std::vector<DeviceInfo>&) -> void;
 
 #ifdef WANT_RFKILL
@@ -68,7 +69,7 @@ class Bluetooth : public ALabel {
   const std::unique_ptr<GDBusObjectManager, void (*)(GDBusObjectManager*)> manager_;
 
   std::string state_;
-  ControllerInfo cur_controller_;
+  std::optional<ControllerInfo> cur_controller_;
   std::vector<DeviceInfo> connected_devices_;
   DeviceInfo cur_focussed_device_;
   std::string device_enumerate_;

include/modules/cava.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include "ALabel.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace cava {
+extern "C" {
+#include <cava/common.h>
+}
+}  // namespace cava
+
+namespace waybar::modules {
+using namespace std::literals::chrono_literals;
+
+class Cava final : public ALabel {
+ public:
+  Cava(const std::string&, const Json::Value&);
+  virtual ~Cava();
+  auto update() -> void override;
+  auto doAction(const std::string& name) -> void override;
+
+ private:
+  util::SleeperThread thread_;
+  util::SleeperThread thread_fetch_input_;
+
+  struct cava::error_s error_ {};          // cava errors
+  struct cava::config_params prm_ {};      // cava parameters
+  struct cava::audio_raw audio_raw_ {};    // cava handled raw audio data(is based on audio_data)
+  struct cava::audio_data audio_data_ {};  // cava audio data
+  struct cava::cava_plan* plan_;           //{new cava_plan{}};
+  // Cava API to read audio source
+  cava::ptr input_source_;
+  // Delay to handle audio source
+  std::chrono::milliseconds frame_time_milsec_{1s};
+  // Text to display
+  std::string text_{""};
+  int rePaint_{1};
+  std::chrono::seconds fetch_input_delay_{4};
+  std::chrono::seconds suspend_silence_delay_{0};
+  bool silence_{false};
+  bool hide_on_silence_{false};
+  int sleep_counter_{0};
+  // Cava method
+  void pause_resume();
+  // ModuleActionMap
+  static inline std::map<const std::string, void (waybar::modules::Cava::*const)()> actionMap_{
+      {"mode", &waybar::modules::Cava::pause_resume}};
+};
+}  // namespace waybar::modules

include/modules/cffi.hpp

@@ -0,0 +1,60 @@
+#pragma once
+
+#include <string>
+
+#include "AModule.hpp"
+#include "util/command.hpp"
+#include "util/json.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules {
+
+namespace ffi {
+extern "C" {
+typedef struct wbcffi_module wbcffi_module;
+
+typedef struct {
+  wbcffi_module* obj;
+  const char* waybar_version;
+  GtkContainer* (*get_root_widget)(wbcffi_module*);
+  void (*queue_update)(wbcffi_module*);
+} wbcffi_init_info;
+
+struct wbcffi_config_entry {
+  const char* key;
+  const char* value;
+};
+}
+}  // namespace ffi
+
+class CFFI : public AModule {
+ public:
+  CFFI(const std::string&, const std::string&, const Json::Value&);
+  virtual ~CFFI();
+
+  virtual auto refresh(int signal) -> void override;
+  virtual auto doAction(const std::string& name) -> void override;
+  virtual auto update() -> void override;
+
+ private:
+  ///
+  void* cffi_instance_ = nullptr;
+
+  typedef void*(InitFn)(const ffi::wbcffi_init_info* init_info,
+                        const ffi::wbcffi_config_entry* config_entries, size_t config_entries_len);
+  typedef void(DenitFn)(void* instance);
+  typedef void(RefreshFn)(void* instance, int signal);
+  typedef void(DoActionFn)(void* instance, const char* name);
+  typedef void(UpdateFn)(void* instance);
+
+  // FFI hooks
+  struct {
+    std::function<InitFn> init = nullptr;
+    std::function<DenitFn> deinit = nullptr;
+    std::function<RefreshFn> refresh = [](void*, int) {};
+    std::function<DoActionFn> doAction = [](void*, const char*) {};
+    std::function<UpdateFn> update = [](void*) {};
+  } hooks_;
+};
+
+}  // namespace waybar::modules

include/modules/clock.hpp

@@ -1,47 +1,83 @@
 #pragma once
 
-#include <date/tz.h>
-
 #include "ALabel.hpp"
+#include "util/date.hpp"
 #include "util/sleeper_thread.hpp"
 
-namespace waybar {
+namespace waybar::modules {
 
-struct waybar_time;
+const std::string kCldPlaceholder{"calendar"};
+const std::string kTZPlaceholder{"tz_list"};
+const std::string kOrdPlaceholder{"ordinal_date"};
 
-namespace modules {
+enum class CldMode { MONTH, YEAR };
+enum class WS { LEFT, RIGHT, HIDDEN };
 
-const std::string kCalendarPlaceholder = "calendar";
-const std::string KTimezonedTimeListPlaceholder = "timezoned_time_list";
-
-class Clock : public ALabel {
+class Clock final : public ALabel {
  public:
   Clock(const std::string&, const Json::Value&);
-  ~Clock() = default;
-  auto update() -> void;
+  virtual ~Clock() = default;
+  auto update() -> void override;
+  auto doAction(const std::string&) -> void override;
 
  private:
+  const std::locale locale_;
+  // tooltip
+  const std::string tlpFmt_;
+  std::string tlpText_{""};  // tooltip text to print
+  // Calendar
+  const bool cldInTooltip_;  // calendar in tooltip
+  /*
+    0 - calendar.format.months
+    1 - calendar.format.weekdays
+    2 - calendar.format.days
+    3 - calendar.format.today
+    4 - calendar.format.weeks
+    5 - tooltip-format
+   */
+  std::map<int, std::string const> fmtMap_;
+  uint cldMonCols_{3};           // calendar count month columns
+  int cldWnLen_{3};              // calendar week number length
+  const int cldMonColLen_{20};   // calendar month column length
+  WS cldWPos_{WS::HIDDEN};       // calendar week side to print
+  months cldCurrShift_{0};       // calendar months shift
+  year_month_day cldYearShift_;  // calendar Year mode. Cached ymd
+  std::string cldYearCached_;    // calendar Year mode. Cached calendar
+  year_month cldMonShift_;       // calendar Month mode. Cached ym
+  std::string cldMonCached_;     // calendar Month mode. Cached calendar
+  day cldBaseDay_{0};            // calendar Cached day. Is used when today is changing(midnight)
+  std::string cldText_{""};      // calendar text to print
+  CldMode cldMode_{CldMode::MONTH};
+  auto get_calendar(const year_month_day& today, const year_month_day& ymd, const time_zone* tz)
+      -> const std::string;
+
+  // time zoned time in tooltip
+  const bool tzInTooltip_;                // if need to print time zones text
+  std::vector<const time_zone*> tzList_;  // time zones list
+  int tzCurrIdx_;                         // current time zone index for tzList_
+  std::string tzText_{""};                // time zones text to print
   util::SleeperThread thread_;
-  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);
+  // ordinal date in tooltip
+  const bool ordInTooltip_;
+  std::string ordText_{""};
+  auto get_ordinal_date(const year_month_day& today) -> std::string;
 
-  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;
+  auto getTZtext(sys_seconds now) -> std::string;
+  auto first_day_of_week() -> weekday;
+  // Module actions
+  void cldModeSwitch();
+  void cldShift_up();
+  void cldShift_down();
+  void tz_up();
+  void tz_down();
+  // Module Action Map
+  static inline std::map<const std::string, void (waybar::modules::Clock::*const)()> actionMap_{
+      {"mode", &waybar::modules::Clock::cldModeSwitch},
+      {"shift_up", &waybar::modules::Clock::cldShift_up},
+      {"shift_down", &waybar::modules::Clock::cldShift_down},
+      {"tz_up", &waybar::modules::Clock::tz_up},
+      {"tz_down", &waybar::modules::Clock::tz_down}};
 };
-}  // namespace modules
-}  // namespace waybar
+
+}  // namespace waybar::modules

include/modules/cpu.hpp

@@ -17,16 +17,10 @@ namespace waybar::modules {
 class Cpu : public ALabel {
  public:
   Cpu(const std::string&, const Json::Value&);
-  ~Cpu() = default;
-  auto update() -> void;
+  virtual ~Cpu() = default;
+  auto update() -> void override;
 
  private:
-  double getCpuLoad();
-  std::tuple<std::vector<uint16_t>, std::string> getCpuUsage();
-  std::tuple<float, float, float> getCpuFrequency();
-  std::vector<std::tuple<size_t, size_t>> parseCpuinfo();
-  std::vector<float> parseCpuFrequencies();
-
   std::vector<std::tuple<size_t, size_t>> prev_times_;
 
   util::SleeperThread thread_;

include/modules/cpu_frequency.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#include <cstdint>
+#include <fstream>
+#include <numeric>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "ALabel.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules {
+
+class CpuFrequency : public ALabel {
+ public:
+  CpuFrequency(const std::string&, const Json::Value&);
+  virtual ~CpuFrequency() = default;
+  auto update() -> void override;
+
+  // This is a static member because it is also used by the cpu module.
+  static std::tuple<float, float, float> getCpuFrequency();
+
+ private:
+  static std::vector<float> parseCpuFrequencies();
+
+  util::SleeperThread thread_;
+};
+
+}  // namespace waybar::modules

include/modules/cpu_usage.hpp

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#include <cstdint>
+#include <fstream>
+#include <numeric>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "ALabel.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules {
+
+class CpuUsage : public ALabel {
+ public:
+  CpuUsage(const std::string&, const Json::Value&);
+  virtual ~CpuUsage() = default;
+  auto update() -> void override;
+
+  // This is a static member because it is also used by the cpu module.
+  static std::tuple<std::vector<uint16_t>, std::string> getCpuUsage(
+      std::vector<std::tuple<size_t, size_t>>&);
+
+ private:
+  static std::vector<std::tuple<size_t, size_t>> parseCpuinfo();
+
+  std::vector<std::tuple<size_t, size_t>> prev_times_;
+
+  util::SleeperThread thread_;
+};
+
+}  // namespace waybar::modules

include/modules/custom.hpp

@@ -14,21 +14,23 @@ namespace waybar::modules {
 
 class Custom : public ALabel {
  public:
-  Custom(const std::string&, const std::string&, const Json::Value&);
-  ~Custom();
-  auto update() -> void;
-  void refresh(int /*signal*/);
+  Custom(const std::string&, const std::string&, const Json::Value&, const std::string&);
+  virtual ~Custom();
+  auto update() -> void override;
+  void refresh(int /*signal*/) override;
 
  private:
   void delayWorker();
   void continuousWorker();
+  void waitingWorker();
   void parseOutputRaw();
   void parseOutputJson();
   void handleEvent();
-  bool handleScroll(GdkEventScroll* e);
-  bool handleToggle(GdkEventButton* const& e);
+  bool handleScroll(GdkEventScroll* e) override;
+  bool handleToggle(GdkEventButton* const& e) override;
 
   const std::string name_;
+  const std::string output_name_;
   std::string text_;
   std::string id_;
   std::string alt_;

include/modules/disk.hpp

@@ -14,12 +14,15 @@ namespace waybar::modules {
 class Disk : public ALabel {
  public:
   Disk(const std::string&, const Json::Value&);
-  ~Disk() = default;
-  auto update() -> void;
+  virtual ~Disk() = default;
+  auto update() -> void override;
 
  private:
   util::SleeperThread thread_;
   std::string path_;
+  std::string unit_;
+
+  float calc_specific_divisor(const std::string divisor);
 };
 
 }  // namespace waybar::modules

include/modules/dwl/tags.hpp

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <gtkmm/button.h>
+#include <wayland-client.h>
+
+#include "AModule.hpp"
+#include "bar.hpp"
+#include "dwl-ipc-unstable-v2-client-protocol.h"
+#include "xdg-output-unstable-v1-client-protocol.h"
+
+namespace waybar::modules::dwl {
+
+class Tags : public waybar::AModule {
+ public:
+  Tags(const std::string &, const waybar::Bar &, const Json::Value &);
+  virtual ~Tags();
+
+  // Handlers for wayland events
+  void handle_view_tags(uint32_t tag, uint32_t state, uint32_t clients, uint32_t focused);
+
+  void handle_primary_clicked(uint32_t tag);
+  bool handle_button_press(GdkEventButton *event_button, uint32_t tag);
+
+  struct zdwl_ipc_manager_v2 *status_manager_;
+  struct wl_seat *seat_;
+
+ private:
+  const waybar::Bar &bar_;
+  Gtk::Box box_;
+  std::vector<Gtk::Button> buttons_;
+  struct zdwl_ipc_output_v2 *output_status_;
+};
+
+} /* namespace waybar::modules::dwl */

include/modules/gamemode.hpp

@@ -18,8 +18,8 @@ namespace waybar::modules {
 class Gamemode : public AModule {
  public:
   Gamemode(const std::string &, const Json::Value &);
-  ~Gamemode();
-  auto update() -> void;
+  virtual ~Gamemode();
+  auto update() -> void override;
 
  private:
   const std::string DEFAULT_ICON_NAME = "input-gaming-symbolic";
@@ -39,7 +39,7 @@ class Gamemode : public AModule {
                  const Glib::VariantContainerBase &arguments);
 
   void getData();
-  bool handleToggle(GdkEventButton *const &);
+  bool handleToggle(GdkEventButton *const &) override;
 
   // Config
   std::string format = DEFAULT_FORMAT;

include/modules/hyprland/backend.hpp

@@ -1,10 +1,12 @@
 #pragma once
-#include <functional>
+
 #include <list>
 #include <memory>
 #include <mutex>
 #include <string>
-#include <thread>
+#include <utility>
+
+#include "util/json.hpp"
 
 namespace waybar::modules::hyprland {
 
@@ -18,17 +20,19 @@ class IPC {
  public:
   IPC() { startIPC(); }
 
-  void registerForIPC(const std::string&, EventHandler*);
-  void unregisterForIPC(EventHandler*);
+  void registerForIPC(const std::string& ev, EventHandler* ev_handler);
+  void unregisterForIPC(EventHandler* handler);
 
-  std::string getSocket1Reply(const std::string& rq);
+  static std::string getSocket1Reply(const std::string& rq);
+  Json::Value getSocket1JsonReply(const std::string& rq);
 
  private:
   void startIPC();
   void parseIPC(const std::string&);
 
-  std::mutex callbackMutex;
-  std::list<std::pair<std::string, EventHandler*>> callbacks;
+  std::mutex callbackMutex_;
+  util::JsonParser parser_;
+  std::list<std::pair<std::string, EventHandler*>> callbacks_;
 };
 
 inline std::unique_ptr<IPC> gIPC;

include/modules/hyprland/language.hpp

@@ -1,5 +1,9 @@
+#pragma once
+
 #include <fmt/format.h>
 
+#include <string>
+
 #include "ALabel.hpp"
 #include "bar.hpp"
 #include "modules/hyprland/backend.hpp"
@@ -10,20 +14,29 @@ namespace waybar::modules::hyprland {
 class Language : public waybar::ALabel, public EventHandler {
  public:
   Language(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Language();
+  virtual ~Language();
 
-  auto update() -> void;
+  auto update() -> void override;
 
  private:
-  void onEvent(const std::string&);
+  void onEvent(const std::string&) override;
 
   void initLanguage();
-  std::string getShortFrom(const std::string&);
+
+  struct Layout {
+    std::string full_name;
+    std::string short_name;
+    std::string variant;
+    std::string short_description;
+  };
+
+  static auto getLayout(const std::string&) -> Layout;
 
   std::mutex mutex_;
   const Bar& bar_;
   util::JsonParser parser_;
-  std::string layoutName_;
+
+  Layout layout_;
 };
 
 }  // namespace waybar::modules::hyprland

include/modules/hyprland/submap.hpp

@@ -1,5 +1,9 @@
+#pragma once
+
 #include <fmt/format.h>
 
+#include <string>
+
 #include "ALabel.hpp"
 #include "bar.hpp"
 #include "modules/hyprland/backend.hpp"
@@ -10,12 +14,12 @@ namespace waybar::modules::hyprland {
 class Submap : public waybar::ALabel, public EventHandler {
  public:
   Submap(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Submap();
+  ~Submap() override;
 
-  auto update() -> void;
+  auto update() -> void override;
 
  private:
-  void onEvent(const std::string&);
+  void onEvent(const std::string& ev) override;
 
   std::mutex mutex_;
   const Bar& bar_;

include/modules/hyprland/window.hpp

@@ -1,31 +1,65 @@
+#pragma once
+
 #include <fmt/format.h>
 
-#include <tuple>
+#include <string>
 
-#include "ALabel.hpp"
+#include "AAppIconLabel.hpp"
 #include "bar.hpp"
 #include "modules/hyprland/backend.hpp"
 #include "util/json.hpp"
 
 namespace waybar::modules::hyprland {
 
-class Window : public waybar::ALabel, public EventHandler {
+class Window : public waybar::AAppIconLabel, public EventHandler {
  public:
   Window(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Window();
+  ~Window() override;
 
-  auto update() -> void;
+  auto update() -> void override;
 
  private:
-  int getActiveWorkspaceID(std::string);
-  std::string getLastWindowTitle(int);
-  void onEvent(const std::string&);
+  struct Workspace {
+    int id;
+    int windows;
+    std::string last_window;
+    std::string last_window_title;
 
-  bool separate_outputs;
+    static auto parse(const Json::Value& value) -> Workspace;
+  };
+
+  struct WindowData {
+    bool floating;
+    int monitor = -1;
+    std::string class_name;
+    std::string initial_class_name;
+    std::string title;
+    std::string initial_title;
+    bool fullscreen;
+    bool grouped;
+
+    static auto parse(const Json::Value&) -> WindowData;
+  };
+
+  static auto getActiveWorkspace(const std::string&) -> Workspace;
+  static auto getActiveWorkspace() -> Workspace;
+  void onEvent(const std::string& ev) override;
+  void queryActiveWorkspace();
+  void setClass(const std::string&, bool enable);
+
+  bool separateOutputs_;
   std::mutex mutex_;
   const Bar& bar_;
   util::JsonParser parser_;
-  std::string lastView;
+  WindowData windowData_;
+  Workspace workspace_;
+  std::string soloClass_;
+  std::string lastSoloClass_;
+  bool solo_;
+  bool allFloating_;
+  bool swallowing_;
+  bool fullscreen_;
+  bool focused_;
 };
 
 }  // namespace waybar::modules::hyprland

include/modules/hyprland/workspaces.hpp

@@ -0,0 +1,223 @@
+#pragma once
+
+#include <gtkmm/button.h>
+#include <gtkmm/label.h>
+#include <json/value.h>
+
+#include <cstddef>
+#include <cstdint>
+#include <map>
+#include <memory>
+#include <optional>
+#include <regex>
+#include <string>
+#include <variant>
+#include <vector>
+
+#include "AModule.hpp"
+#include "bar.hpp"
+#include "modules/hyprland/backend.hpp"
+#include "util/enum.hpp"
+#include "util/regex_collection.hpp"
+
+using WindowAddress = std::string;
+
+namespace waybar::modules::hyprland {
+
+class Workspaces;
+
+class WindowCreationPayload {
+ public:
+  WindowCreationPayload(std::string workspace_name, WindowAddress window_address,
+                        std::string window_repr);
+  WindowCreationPayload(std::string workspace_name, WindowAddress window_address,
+                        std::string window_class, std::string window_title);
+  WindowCreationPayload(Json::Value const& client_data);
+
+  int incrementTimeSpentUncreated();
+  bool isEmpty(Workspaces& workspace_manager);
+  bool reprIsReady() const { return std::holds_alternative<Repr>(m_window); }
+  std::string repr(Workspaces& workspace_manager);
+
+  std::string getWorkspaceName() const { return m_workspaceName; }
+  WindowAddress getAddress() const { return m_windowAddress; }
+
+  void moveToWorksace(std::string& new_workspace_name);
+
+ private:
+  void clearAddr();
+  void clearWorkspaceName();
+
+  using Repr = std::string;
+  using ClassAndTitle = std::pair<std::string, std::string>;
+  std::variant<Repr, ClassAndTitle> m_window;
+
+  WindowAddress m_windowAddress;
+  std::string m_workspaceName;
+
+  int m_timeSpentUncreated = 0;
+};
+
+class Workspace {
+ public:
+  explicit Workspace(const Json::Value& workspace_data, Workspaces& workspace_manager,
+                     const Json::Value& clients_data = Json::Value::nullRef);
+  std::string& selectIcon(std::map<std::string, std::string>& icons_map);
+  Gtk::Button& button() { return m_button; };
+
+  int id() const { return m_id; };
+  std::string name() const { return m_name; };
+  std::string output() const { return m_output; };
+  bool isActive() const { return m_isActive; };
+  bool isSpecial() const { return m_isSpecial; };
+  bool isPersistent() const { return m_isPersistentRule || m_isPersistentConfig; };
+  bool isPersistentConfig() const { return m_isPersistentConfig; };
+  bool isPersistentRule() const { return m_isPersistentRule; };
+  bool isVisible() const { return m_isVisible; };
+  bool isEmpty() const { return m_windows == 0; };
+  bool isUrgent() const { return m_isUrgent; };
+
+  bool handleClicked(GdkEventButton* bt) const;
+  void setActive(bool value = true) { m_isActive = value; };
+  void setPersistentRule(bool value = true) { m_isPersistentRule = value; };
+  void setPersistentConfig(bool value = true) { m_isPersistentConfig = value; };
+  void setUrgent(bool value = true) { m_isUrgent = value; };
+  void setVisible(bool value = true) { m_isVisible = value; };
+  void setWindows(uint value) { m_windows = value; };
+  void setName(std::string const& value) { m_name = value; };
+  bool containsWindow(WindowAddress const& addr) const { return m_windowMap.contains(addr); }
+  void insertWindow(WindowCreationPayload create_window_paylod);
+  std::string removeWindow(WindowAddress const& addr);
+  void initializeWindowMap(const Json::Value& clients_data);
+
+  bool onWindowOpened(WindowCreationPayload const& create_window_paylod);
+  std::optional<std::string> closeWindow(WindowAddress const& addr);
+
+  void update(const std::string& format, const std::string& icon);
+
+ private:
+  Workspaces& m_workspaceManager;
+
+  int m_id;
+  std::string m_name;
+  std::string m_output;
+  uint m_windows;
+  bool m_isActive = false;
+  bool m_isSpecial = false;
+  bool m_isPersistentRule = false;    // represents the persistent state in hyprland
+  bool m_isPersistentConfig = false;  // represents the persistent state in the Waybar config
+  bool m_isUrgent = false;
+  bool m_isVisible = false;
+
+  std::map<WindowAddress, std::string> m_windowMap;
+
+  Gtk::Button m_button;
+  Gtk::Box m_content;
+  Gtk::Label m_label;
+};
+
+class Workspaces : public AModule, public EventHandler {
+ public:
+  Workspaces(const std::string&, const waybar::Bar&, const Json::Value&);
+  ~Workspaces() override;
+  void update() override;
+  void init();
+
+  auto allOutputs() const -> bool { return m_allOutputs; }
+  auto showSpecial() const -> bool { return m_showSpecial; }
+  auto activeOnly() const -> bool { return m_activeOnly; }
+
+  auto getBarOutput() const -> std::string { return m_bar.output->name; }
+
+  std::string getRewrite(std::string window_class, std::string window_title);
+  std::string& getWindowSeparator() { return m_formatWindowSeparator; }
+  bool isWorkspaceIgnored(std::string const& workspace_name);
+
+  bool windowRewriteConfigUsesTitle() const { return m_anyWindowRewriteRuleUsesTitle; }
+
+ private:
+  void onEvent(const std::string& e) override;
+  void updateWindowCount();
+  void sortWorkspaces();
+  void createWorkspace(Json::Value const& workspaceData,
+                       Json::Value const& clientsData = Json::Value::nullRef);
+  void removeWorkspace(std::string const& name);
+  void setUrgentWorkspace(std::string const& windowaddress);
+  void parseConfig(const Json::Value& config);
+  void registerIpc();
+
+  // workspace events
+  void onWorkspaceActivated(std::string const& payload);
+  void onSpecialWorkspaceActivated(std::string const& payload);
+  void onWorkspaceDestroyed(std::string const& payload);
+  void onWorkspaceCreated(std::string const& workspaceName,
+                          Json::Value const& clientsData = Json::Value::nullRef);
+  void onWorkspaceMoved(std::string const& payload);
+  void onWorkspaceRenamed(std::string const& payload);
+
+  // monitor events
+  void onMonitorFocused(std::string const& payload);
+
+  // window events
+  void onWindowOpened(std::string const& payload);
+  void onWindowClosed(std::string const& addr);
+  void onWindowMoved(std::string const& payload);
+
+  void onWindowTitleEvent(std::string const& payload);
+
+  void onConfigReloaded();
+
+  int windowRewritePriorityFunction(std::string const& window_rule);
+
+  void doUpdate();
+
+  void extendOrphans(int workspaceId, Json::Value const& clientsJson);
+  void registerOrphanWindow(WindowCreationPayload create_window_payload);
+
+  void initializeWorkspaces();
+  void setCurrentMonitorId();
+  void loadPersistentWorkspacesFromConfig(Json::Value const& clientsJson);
+  void loadPersistentWorkspacesFromWorkspaceRules(const Json::Value& clientsJson);
+
+  bool m_allOutputs = false;
+  bool m_showSpecial = false;
+  bool m_activeOnly = false;
+  Json::Value m_persistentWorkspaceConfig;
+
+  // Map for windows stored in workspaces not present in the current bar.
+  // This happens when the user has multiple monitors (hence, multiple bars)
+  // and doesn't share windows accross bars (a.k.a `all-outputs` = false)
+  std::map<WindowAddress, std::string> m_orphanWindowMap;
+
+  enum class SortMethod { ID, NAME, NUMBER, DEFAULT };
+  util::EnumParser<SortMethod> m_enumParser;
+  SortMethod m_sortBy = SortMethod::DEFAULT;
+  std::map<std::string, SortMethod> m_sortMap = {{"ID", SortMethod::ID},
+                                                 {"NAME", SortMethod::NAME},
+                                                 {"NUMBER", SortMethod::NUMBER},
+                                                 {"DEFAULT", SortMethod::DEFAULT}};
+
+  std::string m_format;
+
+  std::map<std::string, std::string> m_iconsMap;
+  util::RegexCollection m_windowRewriteRules;
+  bool m_anyWindowRewriteRuleUsesTitle = false;
+  std::string m_formatWindowSeparator;
+
+  bool m_withIcon;
+  uint64_t m_monitorId;
+  std::string m_activeWorkspaceName;
+  std::string m_activeSpecialWorkspaceName;
+  std::vector<std::unique_ptr<Workspace>> m_workspaces;
+  std::vector<std::pair<Json::Value, Json::Value>> m_workspacesToCreate;
+  std::vector<std::string> m_workspacesToRemove;
+  std::vector<WindowCreationPayload> m_windowsToCreate;
+
+  std::vector<std::regex> m_ignoreWorkspaces;
+
+  std::mutex m_mutex;
+  const Bar& m_bar;
+  Gtk::Box m_box;
+};
+
+}  // namespace waybar::modules::hyprland

include/modules/idle_inhibitor.hpp

@@ -13,13 +13,13 @@ class IdleInhibitor : public ALabel {
 
  public:
   IdleInhibitor(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~IdleInhibitor();
-  auto update() -> void;
+  virtual ~IdleInhibitor();
+  auto update() -> void override;
   static std::list<waybar::AModule*> modules;
   static bool status;
 
  private:
-  bool handleToggle(GdkEventButton* const& e);
+  bool handleToggle(GdkEventButton* const& e) override;
   void toggleStatus();
 
   const Bar& bar_;

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"
@@ -15,18 +16,23 @@ namespace waybar::modules {
 
 class Image : public AModule {
  public:
-  Image(const std::string&, const std::string&, const Json::Value&);
-  auto update() -> void;
-  void refresh(int /*signal*/);
+  Image(const std::string&, const Json::Value&);
+  virtual ~Image() = default;
+  auto update() -> void override;
+  void refresh(int /*signal*/) override;
 
  private:
   void delayWorker();
   void handleEvent();
+  void parseOutputRaw();
 
+  Gtk::Box box_;
   Gtk::Image image_;
   std::string path_;
+  std::string tooltip_;
   int size_;
   int interval_;
+  util::command::res output_;
 
   util::SleeperThread thread_;
 };

include/modules/inhibitor.hpp

@@ -12,12 +12,12 @@ namespace waybar::modules {
 class Inhibitor : public ALabel {
  public:
   Inhibitor(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Inhibitor() override;
-  auto update() -> void;
+  virtual ~Inhibitor();
+  auto update() -> void override;
   auto activated() -> bool;
 
  private:
-  auto handleToggle(::GdkEventButton* const& e) -> bool;
+  auto handleToggle(::GdkEventButton* const& e) -> bool override;
 
   const std::unique_ptr<::GDBusConnection, void (*)(::GDBusConnection*)> dbus_;
   const std::string inhibitors_;

include/modules/jack.hpp

@@ -14,8 +14,8 @@ namespace waybar::modules {
 class JACK : public ALabel {
  public:
   JACK(const std::string &, const Json::Value &);
-  ~JACK() = default;
-  auto update() -> void;
+  virtual ~JACK() = default;
+  auto update() -> void override;
 
   int bufSize(jack_nframes_t size);
   int sampleRate(jack_nframes_t rate);

include/modules/keyboard_state.hpp

@@ -3,6 +3,7 @@
 #include <fmt/chrono.h>
 #include <gtkmm/label.h>
 
+#include <set>
 #include <unordered_map>
 
 #include "AModule.hpp"
@@ -19,8 +20,8 @@ namespace waybar::modules {
 class KeyboardState : public AModule {
  public:
   KeyboardState(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~KeyboardState();
-  auto update() -> void;
+  virtual ~KeyboardState();
+  auto update() -> void override;
 
  private:
   auto tryAddDevice(const std::string&) -> void;
@@ -40,6 +41,7 @@ class KeyboardState : public AModule {
 
   struct libinput* libinput_;
   std::unordered_map<std::string, struct libinput_device*> libinput_devices_;
+  std::set<int> binding_keys;
 
   util::SleeperThread libinput_thread_, hotplug_thread_;
 };

include/modules/load.hpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#include <cstdint>
+#include <fstream>
+#include <numeric>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "ALabel.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules {
+
+class Load : public ALabel {
+ public:
+  Load(const std::string&, const Json::Value&);
+  virtual ~Load() = default;
+  auto update() -> void override;
+
+  // This is a static member because it is also used by the cpu module.
+  static std::tuple<double, double, double> getLoad();
+
+ private:
+  util::SleeperThread thread_;
+};
+
+}  // namespace waybar::modules

include/modules/memory.hpp

@@ -13,8 +13,8 @@ namespace waybar::modules {
 class Memory : public ALabel {
  public:
   Memory(const std::string&, const Json::Value&);
-  ~Memory() = default;
-  auto update() -> void;
+  virtual ~Memory() = default;
+  auto update() -> void override;
 
  private:
   void parseMeminfo();

include/modules/mpd/mpd.hpp

@@ -37,7 +37,7 @@ class MPD : public ALabel {
  public:
   MPD(const std::string&, const Json::Value&);
   virtual ~MPD() noexcept = default;
-  auto update() -> void;
+  auto update() -> void override;
 
  private:
   std::string getTag(mpd_tag_type type, unsigned idx = 0) const;

include/modules/mpd/state.hpp

@@ -148,6 +148,7 @@ class Stopped : public State {
 class Disconnected : public State {
   Context* const ctx_;
   sigc::connection timer_connection_;
+  int last_interval_;
 
  public:
   Disconnected(Context* const ctx) : ctx_{ctx} {}
@@ -162,7 +163,7 @@ class Disconnected : public State {
   Disconnected(Disconnected const&) = delete;
   Disconnected& operator=(Disconnected const&) = delete;
 
-  void arm_timer(int interval) noexcept;
+  bool arm_timer(int interval) noexcept;
   void disarm_timer() noexcept;
 
   bool on_timer();

include/modules/mpris/mpris.hpp

@@ -16,12 +16,12 @@ extern "C" {
 
 namespace waybar::modules::mpris {
 
-class Mpris : public AModule {
+class Mpris : public ALabel {
  public:
   Mpris(const std::string&, const Json::Value&);
-  ~Mpris();
-  auto update() -> void;
-  bool handleToggle(GdkEventButton* const&);
+  virtual ~Mpris();
+  auto update() -> void override;
+  bool handleToggle(GdkEventButton* const&) override;
 
  private:
   static auto onPlayerNameAppeared(PlayerctlPlayerManager*, PlayerctlPlayerName*, gpointer) -> void;
@@ -39,21 +39,40 @@ class Mpris : public AModule {
     std::optional<std::string> artist;
     std::optional<std::string> album;
     std::optional<std::string> title;
-    std::optional<std::string> length;  // as HH:MM:SS
+    std::optional<std::string> length;    // as HH:MM:SS
+    std::optional<std::string> position;  // same format
   };
 
   auto getPlayerInfo() -> std::optional<PlayerInfo>;
-  auto getIcon(const Json::Value&, const std::string&) -> std::string;
-
-  Gtk::Box box_;
-  Gtk::Label label_;
+  auto getIconFromJson(const Json::Value&, const std::string&) -> std::string;
+  auto getArtistStr(const PlayerInfo&, bool) -> std::string;
+  auto getAlbumStr(const PlayerInfo&, bool) -> std::string;
+  auto getTitleStr(const PlayerInfo&, bool) -> std::string;
+  auto getLengthStr(const PlayerInfo&, bool) -> std::string;
+  auto getPositionStr(const PlayerInfo&, bool) -> std::string;
+  auto getDynamicStr(const PlayerInfo&, bool, bool) -> std::string;
 
   // config
-  std::string format_;
   std::string format_playing_;
   std::string format_paused_;
   std::string format_stopped_;
-  std::chrono::seconds interval_;
+
+  std::string tooltip_;
+  std::string tooltip_playing_;
+  std::string tooltip_paused_;
+  std::string tooltip_stopped_;
+
+  int artist_len_;
+  int album_len_;
+  int title_len_;
+  int dynamic_len_;
+  std::vector<std::string> dynamic_prio_;
+  std::vector<std::string> dynamic_order_;
+  std::string dynamic_separator_;
+  bool truncate_hours_;
+  bool tooltip_len_limits_;
+  std::string ellipsis_;
+
   std::string player_;
   std::vector<std::string> ignored_players_;
 
@@ -63,6 +82,7 @@ class Mpris : public AModule {
   std::string lastPlayer;
 
   util::SleeperThread thread_;
+  std::chrono::time_point<std::chrono::system_clock> last_update_;
 };
 
 }  // namespace waybar::modules::mpris

include/modules/network.hpp

@@ -21,8 +21,8 @@ namespace waybar::modules {
 class Network : public ALabel {
  public:
   Network(const std::string&, const Json::Value&);
-  ~Network();
-  auto update() -> void;
+  virtual ~Network();
+  auto update() -> void override;
 
  private:
   static const uint8_t MAX_RETRY = 5;
@@ -62,6 +62,7 @@ class Network : public ALabel {
   bool want_link_dump_;
   bool want_addr_dump_;
   bool dump_in_progress_;
+  bool is_p2p_;
 
   unsigned long long bandwidth_down_total_;
   unsigned long long bandwidth_up_total_;
@@ -77,7 +78,6 @@ class Network : public ALabel {
   int32_t signal_strength_dbm_;
   uint8_t signal_strength_;
   std::string signal_strength_app_;
-  float frequency_;
   uint32_t route_priority;
 
   util::SleeperThread thread_;
@@ -85,6 +85,7 @@ class Network : public ALabel {
 #ifdef WANT_RFKILL
   util::Rfkill rfkill_;
 #endif
+  float frequency_;
 };
 
 }  // namespace waybar::modules

include/modules/power_profiles_daemon.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#include "ALabel.hpp"
+#include "giomm/dbusproxy.h"
+
+namespace waybar::modules {
+
+struct Profile {
+  std::string name;
+  std::string driver;
+};
+
+class PowerProfilesDaemon : public ALabel {
+ public:
+  PowerProfilesDaemon(const std::string &, const Json::Value &);
+  auto update() -> void override;
+  void profileChangedCb(const Gio::DBus::Proxy::MapChangedProperties &,
+                        const std::vector<Glib::ustring> &);
+  void busConnectedCb(Glib::RefPtr<Gio::AsyncResult> &r);
+  void getAllPropsCb(Glib::RefPtr<Gio::AsyncResult> &r);
+  void setPropCb(Glib::RefPtr<Gio::AsyncResult> &r);
+  void populateInitState();
+  bool handleToggle(GdkEventButton *const &e) override;
+
+ private:
+  // True if we're connected to the dbug interface. False if we're
+  // not.
+  bool connected_;
+  // Look for a profile name in the list of available profiles and
+  // switch activeProfile_ to it.
+  void switchToProfile(std::string const &);
+  // Used to toggle/display the profiles
+  std::vector<Profile> availableProfiles_;
+  // Points to the active profile in the profiles list
+  std::vector<Profile>::iterator activeProfile_;
+  // Current CSS class applied to the label
+  std::string currentStyle_;
+  // Format string
+  std::string tooltipFormat_;
+  // DBus Proxy used to track the current active profile
+  Glib::RefPtr<Gio::DBus::Proxy> powerProfilesProxy_;
+};
+
+}  // namespace waybar::modules

include/modules/privacy/privacy.hpp

@@ -0,0 +1,41 @@
+#pragma once
+
+#include <iostream>
+#include <map>
+#include <string>
+
+#include "ALabel.hpp"
+#include "gtkmm/box.h"
+#include "modules/privacy/privacy_item.hpp"
+#include "util/pipewire/pipewire_backend.hpp"
+#include "util/pipewire/privacy_node_info.hpp"
+
+using waybar::util::PipewireBackend::PrivacyNodeInfo;
+
+namespace waybar::modules::privacy {
+
+class Privacy : public AModule {
+ public:
+  Privacy(const std::string &, const Json::Value &, const std::string &pos);
+  auto update() -> void override;
+
+  void onPrivacyNodesChanged();
+
+ private:
+  std::list<PrivacyNodeInfo *> nodes_screenshare;  // Screen is being shared
+  std::list<PrivacyNodeInfo *> nodes_audio_in;     // Application is using the microphone
+  std::list<PrivacyNodeInfo *> nodes_audio_out;    // Application is outputting audio
+
+  std::mutex mutex_;
+  sigc::connection visibility_conn;
+
+  // Config
+  Gtk::Box box_;
+  uint iconSpacing = 4;
+  uint iconSize = 20;
+  uint transition_duration = 250;
+
+  std::shared_ptr<util::PipewireBackend::PipewireBackend> backend = nullptr;
+};
+
+}  // namespace waybar::modules::privacy

include/modules/privacy/privacy_item.hpp

@@ -0,0 +1,51 @@
+#pragma once
+
+#include <json/value.h>
+
+#include <iostream>
+#include <map>
+#include <mutex>
+#include <string>
+
+#include "gtkmm/box.h"
+#include "gtkmm/image.h"
+#include "gtkmm/revealer.h"
+#include "util/pipewire/privacy_node_info.hpp"
+
+using waybar::util::PipewireBackend::PrivacyNodeInfo;
+using waybar::util::PipewireBackend::PrivacyNodeType;
+
+namespace waybar::modules::privacy {
+
+class PrivacyItem : public Gtk::Revealer {
+ public:
+  PrivacyItem(const Json::Value &config_, enum PrivacyNodeType privacy_type_,
+              std::list<PrivacyNodeInfo *> *nodes, const std::string &pos, const uint icon_size,
+              const uint transition_duration);
+
+  enum PrivacyNodeType privacy_type;
+
+  void set_in_use(bool in_use);
+
+ private:
+  std::list<PrivacyNodeInfo *> *nodes;
+
+  sigc::connection signal_conn;
+
+  Gtk::Box tooltip_window;
+
+  bool init = false;
+  bool in_use = false;
+
+  // Config
+  std::string iconName = "image-missing-symbolic";
+  bool tooltip = true;
+  uint tooltipIconSize = 24;
+
+  Gtk::Box box_;
+  Gtk::Image icon_;
+
+  void update_tooltip();
+};
+
+}  // namespace waybar::modules::privacy

include/modules/pulseaudio.hpp

@@ -1,54 +1,27 @@
 #pragma once
 
 #include <fmt/format.h>
-#include <pulse/pulseaudio.h>
-#include <pulse/volume.h>
 
 #include <algorithm>
 #include <array>
+#include <memory>
 
 #include "ALabel.hpp"
+#include "util/audio_backend.hpp"
 
 namespace waybar::modules {
 
 class Pulseaudio : public ALabel {
  public:
   Pulseaudio(const std::string&, const Json::Value&);
-  ~Pulseaudio();
-  auto update() -> void;
+  virtual ~Pulseaudio() = default;
+  auto update() -> void override;
 
  private:
-  static void subscribeCb(pa_context*, pa_subscription_event_type_t, uint32_t, void*);
-  static void contextStateCb(pa_context*, void*);
-  static void sinkInfoCb(pa_context*, const pa_sink_info*, int, void*);
-  static void sourceInfoCb(pa_context*, const pa_source_info* i, int, void* data);
-  static void serverInfoCb(pa_context*, const pa_server_info*, void*);
-  static void volumeModifyCb(pa_context*, int, void*);
-
-  bool handleScroll(GdkEventScroll* e);
+  bool handleScroll(GdkEventScroll* e) override;
   const std::vector<std::string> getPulseIcon() const;
 
-  pa_threaded_mainloop* mainloop_;
-  pa_mainloop_api* mainloop_api_;
-  pa_context* context_;
-  // SINK
-  uint32_t sink_idx_{0};
-  uint16_t volume_;
-  pa_cvolume pa_volume_;
-  bool muted_;
-  std::string port_name_;
-  std::string form_factor_;
-  std::string desc_;
-  std::string monitor_;
-  std::string current_sink_name_;
-  bool current_sink_running_;
-  // SOURCE
-  uint32_t source_idx_{0};
-  uint16_t source_volume_;
-  bool source_muted_;
-  std::string source_port_name_;
-  std::string source_desc_;
-  std::string default_source_name_;
+  std::shared_ptr<util::AudioBackend> backend = nullptr;
 };
 
 }  // namespace waybar::modules

include/modules/pulseaudio_slider.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <memory>
+
+#include "ASlider.hpp"
+#include "util/audio_backend.hpp"
+namespace waybar::modules {
+
+enum class PulseaudioSliderTarget {
+  Sink,
+  Source,
+};
+
+class PulseaudioSlider : public ASlider {
+ public:
+  PulseaudioSlider(const std::string&, const Json::Value&);
+  virtual ~PulseaudioSlider() = default;
+
+  void update() override;
+  void onValueChanged() override;
+
+ private:
+  std::shared_ptr<util::AudioBackend> backend = nullptr;
+  PulseaudioSliderTarget target = PulseaudioSliderTarget::Sink;
+};
+
+}  // namespace waybar::modules

include/modules/river/layout.hpp

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <wayland-client.h>
+
+#include "ALabel.hpp"
+#include "bar.hpp"
+#include "river-status-unstable-v1-client-protocol.h"
+
+namespace waybar::modules::river {
+
+class Layout : public waybar::ALabel {
+ public:
+  Layout(const std::string &, const waybar::Bar &, const Json::Value &);
+  virtual ~Layout();
+
+  // Handlers for wayland events
+  void handle_name(const char *name);
+  void handle_clear();
+  void handle_focused_output(struct wl_output *output);
+  void handle_unfocused_output(struct wl_output *output);
+
+  struct zriver_status_manager_v1 *status_manager_;
+  struct wl_seat *seat_;
+
+ private:
+  const waybar::Bar &bar_;
+  struct wl_output *output_;          // stores the output this module belongs to
+  struct wl_output *focused_output_;  // stores the currently focused output
+  struct zriver_output_status_v1 *output_status_;
+  struct zriver_seat_status_v1 *seat_status_;
+};
+
+} /* namespace waybar::modules::river */

include/modules/river/mode.hpp

@@ -11,7 +11,7 @@ namespace waybar::modules::river {
 class Mode : public waybar::ALabel {
  public:
   Mode(const std::string &, const waybar::Bar &, const Json::Value &);
-  ~Mode();
+  virtual ~Mode();
 
   // Handlers for wayland events
   void handle_mode(const char *mode);

include/modules/river/tags.hpp

@@ -14,7 +14,7 @@ namespace waybar::modules::river {
 class Tags : public waybar::AModule {
  public:
   Tags(const std::string &, const waybar::Bar &, const Json::Value &);
-  ~Tags();
+  virtual ~Tags();
 
   // Handlers for wayland events
   void handle_focused_tags(uint32_t tags);

include/modules/river/window.hpp

@@ -13,7 +13,7 @@ namespace waybar::modules::river {
 class Window : public waybar::ALabel {
  public:
   Window(const std::string &, const waybar::Bar &, const Json::Value &);
-  ~Window();
+  virtual ~Window();
 
   // Handlers for wayland events
   void handle_focused_view(const char *title);

include/modules/simpleclock.hpp

@@ -10,8 +10,8 @@ namespace waybar::modules {
 class Clock : public ALabel {
  public:
   Clock(const std::string&, const Json::Value&);
-  ~Clock() = default;
-  auto update() -> void;
+  virtual ~Clock() = default;
+  auto update() -> void override;
 
  private:
   util::SleeperThread thread_;

include/modules/sndio.hpp

@@ -12,12 +12,12 @@ namespace waybar::modules {
 class Sndio : public ALabel {
  public:
   Sndio(const std::string &, const Json::Value &);
-  ~Sndio();
-  auto update() -> void;
+  virtual ~Sndio();
+  auto update() -> void override;
   auto set_desc(struct sioctl_desc *, unsigned int) -> void;
   auto put_val(unsigned int, unsigned int) -> void;
-  bool handleScroll(GdkEventScroll *);
-  bool handleToggle(GdkEventButton *const &);
+  bool handleScroll(GdkEventScroll *) override;
+  bool handleToggle(GdkEventButton *const &) override;
 
  private:
   auto connect_to_sndio() -> void;

include/modules/sni/item.hpp

@@ -84,6 +84,8 @@ class Item : public sigc::trackable {
   // visibility of items with Status == Passive
   bool show_passive_ = false;
 
+  const Bar& bar_;
+
   Glib::RefPtr<Gio::DBus::Proxy> proxy_;
   Glib::RefPtr<Gio::Cancellable> cancellable_;
   std::set<std::string_view> update_pending_;

include/modules/sni/tray.hpp

@@ -13,8 +13,8 @@ namespace waybar::modules::SNI {
 class Tray : public AModule {
  public:
   Tray(const std::string&, const Bar&, const Json::Value&);
-  ~Tray() = default;
-  auto update() -> void;
+  virtual ~Tray() = default;
+  auto update() -> void override;
 
  private:
   void onAdd(std::unique_ptr<Item>& item);

include/modules/sway/ipc/client.hpp

@@ -8,6 +8,8 @@
 #include <cstring>
 #include <memory>
 #include <mutex>
+#include <stdexcept>
+#include <string>
 
 #include "ipc.hpp"
 #include "util/sleeper_thread.hpp"

include/modules/sway/language.hpp

@@ -17,8 +17,8 @@ namespace waybar::modules::sway {
 class Language : public ALabel, public sigc::trackable {
  public:
   Language(const std::string& id, const Json::Value& config);
-  ~Language() = default;
-  auto update() -> void;
+  virtual ~Language() = default;
+  auto update() -> void override;
 
  private:
   enum class DispayedShortFlag { None = 0, ShortName = 1, ShortDescription = 1 << 1 };
@@ -56,6 +56,7 @@ class Language : public ALabel, public sigc::trackable {
   Layout layout_;
   std::string tooltip_format_ = "";
   std::map<std::string, Layout> layouts_map_;
+  bool hide_single_;
   bool is_variant_displayed;
   std::byte displayed_short_flag = static_cast<std::byte>(DispayedShortFlag::None);
 

include/modules/sway/mode.hpp

@@ -13,8 +13,8 @@ namespace waybar::modules::sway {
 class Mode : public ALabel, public sigc::trackable {
  public:
   Mode(const std::string&, const Json::Value&);
-  ~Mode() = default;
-  auto update() -> void;
+  virtual ~Mode() = default;
+  auto update() -> void override;
 
  private:
   void onEvent(const struct Ipc::ipc_response&);

include/modules/sway/scratchpad.hpp

@@ -15,8 +15,8 @@ namespace waybar::modules::sway {
 class Scratchpad : public ALabel {
  public:
   Scratchpad(const std::string&, const Json::Value&);
-  ~Scratchpad() = default;
-  auto update() -> void;
+  virtual ~Scratchpad() = default;
+  auto update() -> void override;
 
  private:
   auto getTree() -> void;
@@ -32,4 +32,4 @@ class Scratchpad : public ALabel {
   Ipc ipc_;
   util::JsonParser parser_;
 };
-}  // namespace waybar::modules::sway
+}  // namespace waybar::modules::sway

include/modules/sway/window.hpp

@@ -4,7 +4,7 @@
 
 #include <tuple>
 
-#include "AIconLabel.hpp"
+#include "AAppIconLabel.hpp"
 #include "bar.hpp"
 #include "client.hpp"
 #include "modules/sway/ipc/client.hpp"
@@ -12,32 +12,30 @@
 
 namespace waybar::modules::sway {
 
-class Window : public AIconLabel, public sigc::trackable {
+class Window : public AAppIconLabel, public sigc::trackable {
  public:
   Window(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Window() = default;
-  auto update() -> void;
+  virtual ~Window() = default;
+  auto update() -> void override;
 
  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();
 
   const Bar& bar_;
   std::string window_;
   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_;

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"
@@ -11,35 +12,45 @@
 #include "client.hpp"
 #include "modules/sway/ipc/client.hpp"
 #include "util/json.hpp"
+#include "util/regex_collection.hpp"
 
 namespace waybar::modules::sway {
 
 class Workspaces : public AModule, public sigc::trackable {
  public:
   Workspaces(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Workspaces() = default;
-  auto update() -> void;
+  virtual ~Workspaces() = default;
+  auto update() -> void override;
 
  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);
+  static int windowRewritePriorityFunction(std::string const& window_rule);
 
   void onCmd(const struct Ipc::ipc_response&);
   void onEvent(const struct Ipc::ipc_response&);
   bool filterButtons();
+  static bool hasFlag(const Json::Value&, const std::string&);
+  void updateWindows(const Json::Value&, std::string&);
   Gtk::Button& addButton(const Json::Value&);
   void onButtonReady(const Json::Value&, Gtk::Button&);
   std::string getIcon(const std::string&, const Json::Value&);
   const std::string getCycleWorkspace(std::vector<Json::Value>::iterator, bool prev) const;
   uint16_t getWorkspaceIndex(const std::string& name) const;
   std::string trimWorkspaceName(std::string);
-  bool handleScroll(GdkEventScroll*);
+  bool handleScroll(GdkEventScroll*) override;
 
   const Bar& bar_;
   std::vector<Json::Value> workspaces_;
+  std::vector<std::string> high_priority_named_;
   std::vector<std::string> workspaces_order_;
   Gtk::Box box_;
+  std::string m_formatWindowSeperator;
+  std::string m_windowRewriteDefault;
+  util::RegexCollection m_windowRewriteRules;
   util::JsonParser parser_;
   std::unordered_map<std::string, Gtk::Button> buttons_;
   std::mutex mutex_;

include/modules/systemd_failed_units.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <giomm/dbusproxy.h>
+
+#include <string>
+
+#include "ALabel.hpp"
+
+namespace waybar::modules {
+
+class SystemdFailedUnits : public ALabel {
+ public:
+  SystemdFailedUnits(const std::string &, const Json::Value &);
+  virtual ~SystemdFailedUnits();
+  auto update() -> void override;
+
+ private:
+  bool hide_on_ok;
+  std::string format_ok;
+
+  bool update_pending;
+  uint32_t nr_failed_system, nr_failed_user;
+  std::string last_status;
+  Glib::RefPtr<Gio::DBus::Proxy> system_proxy, user_proxy;
+
+  void notify_cb(const Glib::ustring &sender_name, const Glib::ustring &signal_name,
+                 const Glib::VariantContainerBase &arguments);
+  void updateData();
+};
+
+}  // namespace waybar::modules

include/modules/temperature.hpp

@@ -12,8 +12,8 @@ namespace waybar::modules {
 class Temperature : public ALabel {
  public:
   Temperature(const std::string&, const Json::Value&);
-  ~Temperature() = default;
-  auto update() -> void;
+  virtual ~Temperature() = default;
+  auto update() -> void override;
 
  private:
   float getTemperature();

include/modules/upower/upower.hpp

@@ -19,8 +19,8 @@ namespace waybar::modules::upower {
 class UPower : public AModule {
  public:
   UPower(const std::string &, const Json::Value &);
-  ~UPower();
-  auto update() -> void;
+  virtual ~UPower();
+  auto update() -> void override;
 
  private:
   typedef std::unordered_map<std::string, UpDevice *> Devices;
@@ -45,7 +45,7 @@ class UPower : public AModule {
   void resetDevices();
   void removeDevices();
   bool show_tooltip_callback(int, int, bool, const Glib::RefPtr<Gtk::Tooltip> &tooltip);
-  bool handleToggle(GdkEventButton *const &);
+  bool handleToggle(GdkEventButton *const &) override;
   std::string timeToString(gint64 time);
 
   const std::string getDeviceStatus(UpDeviceState &state);
@@ -66,14 +66,16 @@ class UPower : public AModule {
   Devices devices;
   std::mutex m_Mutex;
   UpClient *client;
-  UpDevice *displayDevice;
+  UpDevice *displayDevice = nullptr;
   guint login1_id;
   GDBusConnection *login1_connection;
-  UPowerTooltip *upower_tooltip;
+  std::unique_ptr<UPowerTooltip> upower_tooltip;
   std::string lastStatus;
   bool showAltText;
+  bool showIcon = true;
   bool upowerRunning;
   guint upowerWatcher_id;
+  std::string nativePath_;
 };
 
 }  // namespace waybar::modules::upower

include/modules/upower/upower_tooltip.hpp

@@ -2,6 +2,7 @@
 
 #include <libupower-glib/upower.h>
 
+#include <memory>
 #include <unordered_map>
 
 #include "gtkmm/box.h"
@@ -16,7 +17,7 @@ class UPowerTooltip : public Gtk::Window {
 
   const std::string getDeviceIcon(UpDeviceKind& kind);
 
-  Gtk::Box* contentBox;
+  std::unique_ptr<Gtk::Box> contentBox;
 
   uint iconSize;
   uint tooltipSpacing;
@@ -24,7 +25,7 @@ class UPowerTooltip : public Gtk::Window {
 
  public:
   UPowerTooltip(uint iconSize, uint tooltipSpacing, uint tooltipPadding);
-  ~UPowerTooltip();
+  virtual ~UPowerTooltip();
 
   uint updateTooltip(Devices& devices);
 };

include/modules/user.hpp

@@ -11,8 +11,8 @@ namespace waybar::modules {
 class User : public AIconLabel {
  public:
   User(const std::string&, const Json::Value&);
-  ~User() = default;
-  auto update() -> void;
+  virtual ~User() = default;
+  auto update() -> void override;
 
   bool handleToggle(GdkEventButton* const& e) override;
 

include/modules/wireplumber.hpp

@@ -13,25 +13,32 @@ namespace waybar::modules {
 class Wireplumber : public ALabel {
  public:
   Wireplumber(const std::string&, const Json::Value&);
-  ~Wireplumber();
-  auto update() -> void;
+  virtual ~Wireplumber();
+  auto update() -> void override;
 
  private:
   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);
+
+  bool handleScroll(GdkEventScroll* e) override;
 
   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_;
+  double min_step_;
   uint32_t node_id_{0};
   std::string node_name_;
 };

include/modules/wlr/taskbar.hpp

@@ -40,6 +40,8 @@ class Task {
     FULLSCREEN = (1 << 3),
     INVALID = (1 << 4)
   };
+  // made public so TaskBar can reorder based on configuration.
+  Gtk::Button button;
 
  private:
   static uint32_t global_id;
@@ -53,7 +55,6 @@ class Task {
 
   uint32_t id_;
 
-  Gtk::Button button_;
   Gtk::Box content_;
   Gtk::Image icon_;
   Gtk::Label text_before_;

include/modules/wlr/workspace_manager.hpp

@@ -22,7 +22,7 @@ class WorkspaceGroup;
 class Workspace {
  public:
   Workspace(const waybar::Bar &bar, const Json::Value &config, WorkspaceGroup &workspace_group,
-            zext_workspace_handle_v1 *workspace, uint32_t id);
+            zext_workspace_handle_v1 *workspace, uint32_t id, std::string name);
   ~Workspace();
   auto update() -> void;
 
@@ -30,11 +30,15 @@ class Workspace {
   auto is_active() const -> bool { return state_ & static_cast<uint32_t>(State::ACTIVE); }
   auto is_urgent() const -> bool { return state_ & static_cast<uint32_t>(State::URGENT); }
   auto is_hidden() const -> bool { return state_ & static_cast<uint32_t>(State::HIDDEN); }
+  auto is_empty() const -> bool { return state_ & static_cast<uint32_t>(State::EMPTY); }
+  auto is_persistent() const -> bool { return persistent_; }
   // wlr stuff
   auto handle_name(const std::string &name) -> void;
   auto handle_coordinates(const std::vector<uint32_t> &coordinates) -> void;
   auto handle_state(const std::vector<uint32_t> &state) -> void;
   auto handle_remove() -> void;
+  auto make_persistent() -> void;
+  auto handle_duplicate() -> void;
 
   auto handle_done() -> void;
   auto handle_clicked(GdkEventButton *bt) -> bool;
@@ -48,6 +52,7 @@ class Workspace {
     ACTIVE = (1 << 0),
     URGENT = (1 << 1),
     HIDDEN = (1 << 2),
+    EMPTY = (1 << 3),
   };
 
  private:
@@ -67,6 +72,7 @@ class Workspace {
   static std::map<std::string, std::string> icons_map_;
   std::string format_;
   bool with_icon_ = false;
+  bool persistent_ = false;
 
   Gtk::Button button_;
   Gtk::Box content_;
@@ -87,11 +93,14 @@ class WorkspaceGroup {
   auto active_only() const -> bool;
   auto creation_delayed() const -> bool;
   auto workspaces() -> std::vector<std::unique_ptr<Workspace>> & { return workspaces_; }
+  auto persistent_workspaces() -> std::vector<std::string> & { return persistent_workspaces_; }
 
   auto sort_workspaces() -> void;
   auto set_need_to_sort() -> void { need_to_sort = true; }
   auto add_button(Gtk::Button &button) -> void;
   auto remove_button(Gtk::Button &button) -> void;
+  auto fill_persistent_workspaces() -> void;
+  auto create_persistent_workspaces() -> void;
 
   // wlr stuff
   auto handle_workspace_create(zext_workspace_handle_v1 *workspace_handle) -> void;
@@ -115,6 +124,8 @@ class WorkspaceGroup {
   uint32_t id_;
   std::vector<std::unique_ptr<Workspace>> workspaces_;
   bool need_to_sort = false;
+  std::vector<std::string> persistent_workspaces_;
+  bool persistent_created_ = false;
 };
 
 class WorkspaceManager : public AModule {

include/util/audio_backend.hpp

@@ -0,0 +1,96 @@
+#pragma once
+
+#include <json/value.h>
+#include <pulse/context.h>
+#include <pulse/introspect.h>
+#include <pulse/thread-mainloop.h>
+#include <pulse/volume.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+#include "util/backend_common.hpp"
+
+namespace waybar::util {
+
+class AudioBackend {
+ private:
+  static void subscribeCb(pa_context*, pa_subscription_event_type_t, uint32_t, void*);
+  static void contextStateCb(pa_context*, void*);
+  static void sinkInfoCb(pa_context*, const pa_sink_info*, int, void*);
+  static void sourceInfoCb(pa_context*, const pa_source_info* i, int, void* data);
+  static void serverInfoCb(pa_context*, const pa_server_info*, void*);
+  static void volumeModifyCb(pa_context*, int, void*);
+  void connectContext();
+
+  pa_threaded_mainloop* mainloop_;
+  pa_mainloop_api* mainloop_api_;
+  pa_context* context_;
+  pa_cvolume pa_volume_;
+
+  // SINK
+  uint32_t sink_idx_{0};
+  uint16_t volume_;
+  bool muted_;
+  std::string port_name_;
+  std::string form_factor_;
+  std::string desc_;
+  std::string monitor_;
+  std::string current_sink_name_;
+  bool current_sink_running_;
+  // SOURCE
+  uint32_t source_idx_{0};
+  uint16_t source_volume_;
+  bool source_muted_;
+  std::string source_port_name_;
+  std::string source_desc_;
+  std::string default_source_name_;
+
+  std::vector<std::string> ignored_sinks_;
+
+  std::function<void()> on_updated_cb_ = NOOP;
+
+  /* Hack to keep constructor inaccessible but still public.
+   * This is required to be able to use std::make_shared.
+   * It is important to keep this class only accessible via a reference-counted
+   * pointer because the destructor will manually free memory, and this could be
+   * a problem with C++20's copy and move semantics.
+   */
+  struct private_constructor_tag {};
+
+ public:
+  static std::shared_ptr<AudioBackend> getInstance(std::function<void()> on_updated_cb = NOOP);
+
+  AudioBackend(std::function<void()> on_updated_cb, private_constructor_tag tag);
+  ~AudioBackend();
+
+  void changeVolume(uint16_t volume, uint16_t min_volume = 0, uint16_t max_volume = 100);
+  void changeVolume(ChangeType change_type, double step = 1, uint16_t max_volume = 100);
+
+  void setIgnoredSinks(const Json::Value& config);
+
+  std::string getSinkPortName() const { return port_name_; }
+  std::string getFormFactor() const { return form_factor_; }
+  std::string getSinkDesc() const { return desc_; }
+  std::string getMonitor() const { return monitor_; }
+  std::string getCurrentSinkName() const { return current_sink_name_; }
+  bool getCurrentSinkRunning() const { return current_sink_running_; }
+  uint16_t getSinkVolume() const { return volume_; }
+  bool getSinkMuted() const { return muted_; }
+  uint16_t getSourceVolume() const { return source_volume_; }
+  bool getSourceMuted() const { return source_muted_; }
+  std::string getSourcePortName() const { return source_port_name_; }
+  std::string getSourceDesc() const { return source_desc_; }
+  std::string getDefaultSourceName() const { return default_source_name_; }
+
+  void toggleSinkMute();
+  void toggleSinkMute(bool);
+
+  void toggleSourceMute();
+  void toggleSourceMute(bool);
+
+  bool isBluetooth();
+};
+
+}  // namespace waybar::util

include/util/backend_common.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+#include "AModule.hpp"
+
+namespace waybar::util {
+
+const static auto NOOP = []() {};
+enum class ChangeType : char { Increase, Decrease };
+
+}  // namespace waybar::util

include/util/backlight_backend.hpp

@@ -0,0 +1,93 @@
+#pragma once
+
+#include <libudev.h>
+#include <spdlog/spdlog.h>
+
+#include <chrono>
+#include <mutex>
+#include <optional>
+#include <string>
+#include <string_view>
+#include <vector>
+
+#include "giomm/dbusproxy.h"
+#include "util/backend_common.hpp"
+#include "util/sleeper_thread.hpp"
+
+#define GET_BEST_DEVICE(varname, backend, preferred_device)          \
+  decltype((backend).devices_) __devices;                            \
+  {                                                                  \
+    std::scoped_lock<std::mutex> lock((backend).udev_thread_mutex_); \
+    __devices = (backend).devices_;                                  \
+  }                                                                  \
+  auto varname = (backend).best_device(__devices.cbegin(), __devices.cend(), preferred_device);
+
+namespace waybar::util {
+
+class BacklightDevice {
+ public:
+  BacklightDevice() = default;
+  BacklightDevice(std::string name, int actual, int max, bool powered);
+
+  std::string name() const;
+  int get_actual() const;
+  void set_actual(int actual);
+  int get_max() const;
+  void set_max(int max);
+  bool get_powered() const;
+  void set_powered(bool powered);
+  friend inline bool operator==(const BacklightDevice &lhs, const BacklightDevice &rhs) {
+    return lhs.name_ == rhs.name_ && lhs.actual_ == rhs.actual_ && lhs.max_ == rhs.max_;
+  }
+
+ private:
+  std::string name_;
+  int actual_ = 1;
+  int max_ = 1;
+  bool powered_ = true;
+};
+
+class BacklightBackend {
+ public:
+  BacklightBackend(std::chrono::milliseconds interval, std::function<void()> on_updated_cb = NOOP);
+
+  // const inline BacklightDevice *get_best_device(std::string_view preferred_device);
+  const BacklightDevice *get_previous_best_device();
+
+  void set_previous_best_device(const BacklightDevice *device);
+
+  void set_brightness(std::string preferred_device, ChangeType change_type, double step);
+
+  void set_scaled_brightness(std::string preferred_device, int brightness);
+  int get_scaled_brightness(std::string preferred_device);
+
+  template <class ForwardIt, class Inserter>
+  static void upsert_device(ForwardIt first, ForwardIt last, Inserter inserter, udev_device *dev);
+
+  template <class ForwardIt, class Inserter>
+  static void enumerate_devices(ForwardIt first, ForwardIt last, Inserter inserter, udev *udev);
+
+  bool is_login_proxy_initialized() const { return static_cast<bool>(login_proxy_); }
+
+  template <class ForwardIt>
+  static const BacklightDevice *best_device(ForwardIt first, ForwardIt last, std::string_view);
+
+  std::vector<BacklightDevice> devices_;
+  std::mutex udev_thread_mutex_;
+
+ private:
+  void set_brightness_internal(std::string device_name, int brightness, int max_brightness);
+
+  std::function<void()> on_updated_cb_;
+  std::chrono::milliseconds polling_interval_;
+
+  std::optional<BacklightDevice> previous_best_;
+  // thread must destruct before shared data
+  util::SleeperThread udev_thread_;
+
+  Glib::RefPtr<Gio::DBus::Proxy> login_proxy_;
+
+  static constexpr int EPOLL_MAX_EVENTS = 16;
+};
+
+}  // namespace waybar::util

include/util/clara.hpp

@@ -989,7 +989,7 @@ struct Help : Opt {
           showHelpFlag = flag;
           return ParserResult::ok(ParseResultType::ShortCircuitAll);
         }) {
-    static_cast<Opt &> (*this)("display usage information")["-?"]["-h"]["--help"].optional();
+    static_cast<Opt &>(*this)("display usage information")["-?"]["-h"]["--help"].optional();
   }
 };
 

include/util/command.hpp

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <fcntl.h>
 #include <giomm.h>
 #include <spdlog/spdlog.h>
 #include <sys/wait.h>
@@ -65,10 +66,14 @@ inline int close(FILE* fp, pid_t pid) {
   return stat;
 }
 
-inline FILE* open(const std::string& cmd, int& pid) {
+inline FILE* open(const std::string& cmd, int& pid, const std::string& output_name) {
   if (cmd == "") return nullptr;
   int fd[2];
-  if (pipe(fd) != 0) {
+  // Open the pipe with the close-on-exec flag set, so it will not be inherited
+  // by any other subprocesses launched by other threads (which could result in
+  // the pipe staying open after this child dies, causing us to hang when trying
+  // to read from it)
+  if (pipe2(fd, O_CLOEXEC) != 0) {
     spdlog::error("Unable to pipe fd");
     return nullptr;
   }
@@ -77,6 +82,8 @@ inline FILE* open(const std::string& cmd, int& pid) {
 
   if (child_pid < 0) {
     spdlog::error("Unable to exec cmd {}, error {}", cmd.c_str(), strerror(errno));
+    ::close(fd[0]);
+    ::close(fd[1]);
     return nullptr;
   }
 
@@ -102,6 +109,9 @@ inline FILE* open(const std::string& cmd, int& pid) {
     ::close(fd[0]);
     dup2(fd[1], 1);
     setpgid(child_pid, child_pid);
+    if (output_name != "") {
+      setenv("WAYBAR_OUTPUT_NAME", output_name.c_str(), 1);
+    }
     execlp("/bin/sh", "sh", "-c", cmd.c_str(), (char*)0);
     exit(0);
   } else {
@@ -111,9 +121,9 @@ inline FILE* open(const std::string& cmd, int& pid) {
   return fdopen(fd[0], "r");
 }
 
-inline struct res exec(const std::string& cmd) {
+inline struct res exec(const std::string& cmd, const std::string& output_name) {
   int pid;
-  auto fp = command::open(cmd, pid);
+  auto fp = command::open(cmd, pid, output_name);
   if (!fp) return {-1, ""};
   auto output = command::read(fp);
   auto stat = command::close(fp, pid);
@@ -122,7 +132,7 @@ inline struct res exec(const std::string& cmd) {
 
 inline struct res execNoRead(const std::string& cmd) {
   int pid;
-  auto fp = command::open(cmd, pid);
+  auto fp = command::open(cmd, pid, "");
   if (!fp) return {-1, ""};
   auto stat = command::close(fp, pid);
   return {WEXITSTATUS(stat), ""};

include/util/css_reload_helper.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include <functional>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#include "giomm/file.h"
+#include "giomm/filemonitor.h"
+#include "glibmm/refptr.h"
+
+struct pollfd;
+
+namespace waybar {
+class CssReloadHelper {
+ public:
+  CssReloadHelper(std::string cssFile, std::function<void()> callback);
+
+  virtual ~CssReloadHelper() = default;
+
+  virtual void monitorChanges();
+
+ protected:
+  std::vector<std::string> parseImports(const std::string& cssFile);
+
+  void parseImports(const std::string& cssFile, std::unordered_map<std::string, bool>& imports);
+
+  void watchFiles(const std::vector<std::string>& files);
+
+  bool handleInotifyEvents(int fd);
+
+  bool watch(int inotifyFd, pollfd* pollFd);
+
+  virtual std::string getFileContents(const std::string& filename);
+
+  virtual std::string findPath(const std::string& filename);
+
+  void handleFileChange(Glib::RefPtr<Gio::File> const& file,
+                        Glib::RefPtr<Gio::File> const& other_type,
+                        Gio::FileMonitorEvent event_type);
+
+ private:
+  std::string m_cssFile;
+
+  std::function<void()> m_callback;
+
+  std::vector<std::tuple<Glib::RefPtr<Gio::FileMonitor>>> m_fileMonitors;
+};
+}  // namespace waybar

include/util/date.hpp

@@ -0,0 +1,77 @@
+#pragma once
+
+#include <chrono>
+
+#if HAVE_CHRONO_TIMEZONES
+#include <format>
+#else
+#include <date/tz.h>
+#include <fmt/format.h>
+
+#include <regex>
+#endif
+
+// Date
+namespace date {
+#if HAVE_CHRONO_TIMEZONES
+using namespace std::chrono;
+using namespace std;
+#else
+
+using system_clock = std::chrono::system_clock;
+using seconds = std::chrono::seconds;
+
+template <typename T>
+inline auto format(const char* spec, const T& arg) {
+  return date::format(std::regex_replace(spec, std::regex("\\{:L|\\}"), ""), arg);
+}
+
+template <typename T>
+inline auto format(const std::locale& loc, const char* spec, const T& arg) {
+  return date::format(loc, std::regex_replace(spec, std::regex("\\{:L|\\}"), ""), arg);
+}
+#endif
+}  // namespace date
+
+// Format
+namespace waybar::util::date::format {
+#if HAVE_CHRONO_TIMEZONES
+using namespace std;
+#else
+using namespace fmt;
+#endif
+}  // namespace waybar::util::date::format
+
+#if not HAVE_CHRONO_TIMEZONES
+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));
+  }
+};
+#endif
+
+using namespace date;

include/util/enum.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <map>
+#include <stdexcept>
+#include <string>
+
+namespace waybar::util {
+
+template <typename EnumType>
+struct EnumParser {
+ public:
+  EnumParser();
+  ~EnumParser();
+
+  EnumType parseStringToEnum(const std::string& str,
+                             const std::map<std::string, EnumType>& enumMap);
+};
+
+}  // namespace waybar::util

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_),
@@ -93,7 +93,7 @@ template <>
 struct formatter<Glib::ustring> : formatter<std::string> {
   template <typename FormatContext>
   auto format(const Glib::ustring& value, FormatContext& ctx) {
-    return formatter<std::string>::format(value, ctx);
+    return formatter<std::string>::format(static_cast<std::string>(value), ctx);
   }
 };
 }  // namespace fmt

include/util/gtk_icon.hpp

@@ -0,0 +1,14 @@
+#pragma once
+#include <gtkmm/icontheme.h>
+
+#include <mutex>
+#include <string>
+
+class DefaultGtkIconThemeWrapper {
+ private:
+  static std::mutex default_theme_mutex;
+
+ public:
+  static bool has_icon(const std::string&);
+  static Glib::RefPtr<Gdk::Pixbuf> load_icon(const char*, int, Gtk::IconLookupFlags);
+};

include/util/json.hpp

@@ -3,6 +3,12 @@
 #include <fmt/ostream.h>
 #include <json/json.h>
 
+#include <algorithm>
+#include <codecvt>
+#include <iostream>
+#include <locale>
+#include <regex>
+
 #if (FMT_VERSION >= 90000)
 
 template <>
@@ -12,25 +18,30 @@ struct fmt::formatter<Json::Value> : ostream_formatter {};
 
 namespace waybar::util {
 
-struct JsonParser {
-  JsonParser() {}
+class JsonParser {
+ public:
+  JsonParser() = default;
 
-  const Json::Value parse(const std::string& data) const {
-    Json::Value root(Json::objectValue);
-    if (data.empty()) {
-      return root;
+  Json::Value parse(const std::string& jsonStr) {
+    Json::Value root;
+
+    // replace all occurrences of "\x" with "\u00", because JSON doesn't allow "\x" escape sequences
+    std::string modifiedJsonStr = replaceHexadecimalEscape(jsonStr);
+
+    std::istringstream jsonStream(modifiedJsonStr);
+    std::string errs;
+    if (!Json::parseFromStream(m_readerBuilder, jsonStream, &root, &errs)) {
+      throw std::runtime_error("Error parsing JSON: " + errs);
     }
-    std::unique_ptr<Json::CharReader> const reader(builder_.newCharReader());
-    std::string err;
-    bool res = reader->parse(data.c_str(), data.c_str() + data.size(), &root, &err);
-    if (!res) throw std::runtime_error(err);
     return root;
   }
 
-  ~JsonParser() = default;
-
  private:
-  Json::CharReaderBuilder builder_;
-};
+  Json::CharReaderBuilder m_readerBuilder;
 
+  static std::string replaceHexadecimalEscape(const std::string& str) {
+    static std::regex re("\\\\x");
+    return std::regex_replace(str, re, "\\u00");
+  }
+};
 }  // namespace waybar::util

include/util/pipewire/pipewire_backend.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <pipewire/pipewire.h>
+
+#include "util/backend_common.hpp"
+#include "util/pipewire/privacy_node_info.hpp"
+
+namespace waybar::util::PipewireBackend {
+
+class PipewireBackend {
+ private:
+  pw_thread_loop* mainloop_;
+  pw_context* context_;
+  pw_core* core_;
+
+  spa_hook registry_listener;
+
+  /* Hack to keep constructor inaccessible but still public.
+   * This is required to be able to use std::make_shared.
+   * It is important to keep this class only accessible via a reference-counted
+   * pointer because the destructor will manually free memory, and this could be
+   * a problem with C++20's copy and move semantics.
+   */
+  struct private_constructor_tag {};
+
+ public:
+  std::mutex mutex_;
+
+  pw_registry* registry;
+
+  sigc::signal<void> privacy_nodes_changed_signal_event;
+
+  std::unordered_map<uint32_t, PrivacyNodeInfo*> privacy_nodes;
+
+  static std::shared_ptr<PipewireBackend> getInstance();
+
+  PipewireBackend(private_constructor_tag tag);
+  ~PipewireBackend();
+};
+}  // namespace waybar::util::PipewireBackend

include/util/pipewire/privacy_node_info.hpp

@@ -0,0 +1,62 @@
+#pragma once
+
+#include <pipewire/pipewire.h>
+
+#include <string>
+
+#include "util/gtk_icon.hpp"
+
+namespace waybar::util::PipewireBackend {
+
+enum PrivacyNodeType {
+  PRIVACY_NODE_TYPE_NONE,
+  PRIVACY_NODE_TYPE_VIDEO_INPUT,
+  PRIVACY_NODE_TYPE_AUDIO_INPUT,
+  PRIVACY_NODE_TYPE_AUDIO_OUTPUT
+};
+
+class PrivacyNodeInfo {
+ public:
+  PrivacyNodeType type = PRIVACY_NODE_TYPE_NONE;
+  uint32_t id;
+  uint32_t client_id;
+  enum pw_node_state state = PW_NODE_STATE_IDLE;
+  std::string media_class;
+  std::string media_name;
+  std::string node_name;
+  std::string application_name;
+
+  std::string pipewire_access_portal_app_id;
+  std::string application_icon_name;
+
+  struct spa_hook object_listener;
+  struct spa_hook proxy_listener;
+
+  void *data;
+
+  std::string get_name() {
+    const std::vector<std::string *> names{&application_name, &node_name};
+    std::string name = "Unknown Application";
+    for (auto &name_ : names) {
+      if (name_ != nullptr && name_->length() > 0) {
+        name = *name_;
+        name[0] = toupper(name[0]);
+        break;
+      }
+    }
+    return name;
+  }
+
+  std::string get_icon_name() {
+    const std::vector<std::string *> names{&application_icon_name, &pipewire_access_portal_app_id,
+                                           &application_name, &node_name};
+    const std::string name = "application-x-executable-symbolic";
+    for (auto &name_ : names) {
+      if (name_ != nullptr && name_->length() > 0 && DefaultGtkIconThemeWrapper::has_icon(*name_)) {
+        return *name_;
+      }
+    }
+    return name;
+  }
+};
+}  // namespace waybar::util::PipewireBackend

include/util/portal.hpp

@@ -0,0 +1,38 @@
+#include <giomm/dbusproxy.h>
+
+#include <string>
+
+#include "fmt/format.h"
+
+namespace waybar {
+
+using namespace Gio;
+
+enum class Appearance {
+  UNKNOWN = 0,
+  DARK = 1,
+  LIGHT = 2,
+};
+class Portal : private DBus::Proxy {
+ public:
+  Portal();
+  void refreshAppearance();
+  Appearance getAppearance();
+
+  typedef sigc::signal<void, Appearance> type_signal_appearance_changed;
+  type_signal_appearance_changed signal_appearance_changed() { return m_signal_appearance_changed; }
+
+ private:
+  type_signal_appearance_changed m_signal_appearance_changed;
+  Appearance currentMode;
+  void on_signal(const Glib::ustring& sender_name, const Glib::ustring& signal_name,
+                 const Glib::VariantContainerBase& parameters);
+};
+
+}  // namespace waybar
+
+template <>
+struct fmt::formatter<waybar::Appearance> : formatter<fmt::string_view> {
+  // parse is inherited from formatter<string_view>.
+  auto format(waybar::Appearance c, format_context& ctx) const;
+};