docs

battery: Add {cycles}, {health} format replacements

.clang-format

@@ -1,6 +1,5 @@
 ---
 BasedOnStyle: Google
-AlignConsecutiveDeclarations: true
-BinPackArguments: false
+AlignConsecutiveDeclarations: false
 ColumnLimit: 100
 ...

.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

@@ -0,0 +1,36 @@
+name: freebsd
+
+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 ubuntu runner
+    # https://github.com/actions/runner/issues/385 - for FreeBSD runner support
+    runs-on: ubuntu-latest
+    steps:
+      - 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/linux.yml

@@ -0,0 +1,33 @@
+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:
+      matrix:
+        distro:
+          - alpine
+          - archlinux
+          - debian
+          - fedora
+          - opensuse
+          - gentoo
+        cpp_std: [c++20]
+
+    runs-on: ubuntu-latest
+    container:
+      image: alexays/waybar:${{ matrix.distro }}
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: configure
+        run: meson -Dman-pages=enabled -Dcpp_std=${{matrix.cpp_std}} build
+      - name: build
+        run: ninja -C build
+      - name: test
+        run: make test

.gitignore

@@ -2,6 +2,8 @@
 *~
 vgcore.*
 /.vscode
+/.idea
+/.cache
 *.swp
 packagecache
 /subprojects/**/
@@ -41,3 +43,8 @@ packagecache
 *.exe
 *.out
 *.app
+/.direnv/
+
+# Nix
+result
+result-*

.travis.yml

@@ -1,38 +0,0 @@
-language: cpp
-
-services:
-    - docker
-
-git:
-    submodules: false
-
-env:
-    - distro: debian
-    - distro: archlinux
-    - distro: fedora
-    - distro: alpine
-    - distro: opensuse
-
-before_install:
-    - docker pull alexays/waybar:${distro}
-    - find . -type f \( -name '*.cpp' -o -name '*.h' \) -print0 | xargs -r0 clang-format -i
-
-script:
-    - echo FROM alexays/waybar:${distro} > Dockerfile
-    - echo ADD . /root >> Dockerfile
-    - docker build -t waybar .
-    - docker run waybar /bin/sh -c "cd /root && meson build -Dman-pages=enabled && ninja -C build"
-
-jobs:
-  include:
-    - os: freebsd
-      compiler: clang
-      env:
-      before_install:
-        - export CPPFLAGS+=-isystem/usr/local/include LDFLAGS+=-L/usr/local/lib # sndio
-        - sudo sed -i '' 's/quarterly/latest/' /etc/pkg/FreeBSD.conf
-        - sudo pkg install -y gtk-layer-shell gtkmm30 jsoncpp libdbusmenu sndio
-               libfmt libmpdclient libudev-devd meson pulseaudio scdoc spdlog
-      script:
-        - meson build -Dman-pages=enabled
-        - ninja -C build

Dockerfiles/alpine

@@ -2,4 +2,4 @@
 
 FROM alpine:latest
 
-RUN apk add --no-cache git meson alpine-sdk libinput-dev wayland-dev wayland-protocols mesa-dev libxkbcommon-dev eudev-dev pixman-dev gtkmm3-dev jsoncpp-dev pugixml-dev libnl3-dev pulseaudio-dev libmpdclient-dev sndio-dev scdoc
+RUN apk add --no-cache git meson alpine-sdk libinput-dev wayland-dev wayland-protocols mesa-dev libxkbcommon-dev eudev-dev pixman-dev gtkmm3-dev jsoncpp-dev pugixml-dev libnl3-dev pulseaudio-dev libmpdclient-dev sndio-dev scdoc libxkbcommon tzdata playerctl-dev

Dockerfiles/archlinux

@@ -1,6 +1,7 @@
 # vim: ft=Dockerfile
 
-FROM archlinux/base:latest
+FROM archlinux:base-devel
 
 RUN pacman -Syu --noconfirm && \
-    pacman -S git meson base-devel libinput wayland wayland-protocols pixman libxkbcommon mesa gtkmm3 jsoncpp pugixml scdoc libpulse libdbusmenu-gtk3 libmpdclient gobject-introspection --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 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 && \
-    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

@@ -1,7 +1,34 @@
 # vim: ft=Dockerfile
 
-FROM fedora:32
+FROM fedora:latest
 
-RUN dnf install sway meson git libinput-devel wayland-devel wayland-protocols-devel pugixml-devel egl-wayland-devel mesa-libEGL-devel mesa-libGLES-devel mesa-libgbm-devel libxkbcommon-devel libudev-devel pixman-devel gtkmm30-devel jsoncpp-devel scdoc -y && \
-    dnf group install "C Development Tools and Libraries" -y && \
+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

@@ -0,0 +1,11 @@
+# vim: ft=Dockerfile
+
+FROM gentoo/stage3:latest
+
+RUN export FEATURES="-ipc-sandbox -network-sandbox -pid-sandbox -sandbox -usersandbox" && \
+		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 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 dev-libs/iniparser sci-libs/fftw

Dockerfiles/opensuse

@@ -3,5 +3,7 @@
 FROM opensuse/tumbleweed:latest
 
 RUN zypper -n up && \
+    zypper addrepo https://download.opensuse.org/repositories/X11:Wayland/openSUSE_Tumbleweed/X11:Wayland.repo | echo 'a' && \
+    zypper -n refresh && \
     zypper -n install -t pattern devel_C_C++ && \
-    zypper -n install git meson clang libinput10 libinput-devel pugixml-devel libwayland-client0 libwayland-cursor0 wayland-protocols-devel wayland-devel Mesa-libEGL-devel Mesa-libGLESv2-devel libgbm-devel libxkbcommon-devel libudev-devel libpixman-1-0-devel gtkmm3-devel jsoncpp-devel scdoc
+    zypper -n install git meson clang libinput10 libinput-devel pugixml-devel libwayland-client0 libwayland-cursor0 wayland-protocols-devel wayland-devel Mesa-libEGL-devel Mesa-libGLESv2-devel libgbm-devel libxkbcommon-devel libudev-devel libpixman-1-0-devel gtkmm3-devel jsoncpp-devel libxkbregistry-devel scdoc playerctl-devel

Makefile

@@ -16,5 +16,12 @@ install: build
 run: build
 	./build/waybar
 
+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

@@ -1,26 +1,33 @@
-# Waybar [![Travis](https://travis-ci.org/Alexays/Waybar.svg?branch=master)](https://travis-ci.org/Alexays/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)
+# 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/), [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 (Window Icons, Workspaces, Focused window name)
+- DWL (Tags, Focused window name) [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
 - Cpu load average
 - Temperature
 - MPD
 - Custom scripts
+- Custom image
 - Multiple output configuration
-- And much more customizations
+- And many more customizations
 
 #### Configuration and Styling
 
@@ -30,7 +37,7 @@
 
 Waybar is available from a number of Linux distributions:
 
-[![Packaging status](https://repology.org/badge/vertical-allrepos/waybar.svg)](https://repology.org/project/waybar/versions)
+[![Packaging status](https://repology.org/badge/vertical-allrepos/waybar.svg?columns=3&header=Waybar%20Downstream%20Packaging)](https://repology.org/project/waybar/versions)
 
 An Ubuntu PPA with more recent versions is available
 [here](https://launchpad.net/~nschloe/+archive/ubuntu/waybar).
@@ -68,6 +75,9 @@ libappindicator-gtk3 [Tray module]
 libdbusmenu-gtk3 [Tray module]
 libmpdclient [MPD module]
 libsndio [sndio module]
+libevdev [KeyboardState module]
+xkbregistry
+upower [UPower battery module]
 ```
 
 **Build dependencies**
@@ -79,13 +89,14 @@ scdoc
 wayland-protocols
 ```
 
-On Ubuntu you can install all the relevant dependencies using this command (tested with 19.10 and 20.04):
+On Ubuntu, you can install all the relevant dependencies using this command (tested with 19.10 and 20.04):
 
 ```
 sudo apt install \
   clang-tidy \
   gobject-introspection \
   libdbusmenu-gtk3-dev \
+  libevdev-dev \
   libfmt-dev \
   libgirepository1.0-dev \
   libgtk-3-dev \
@@ -99,12 +110,15 @@ sudo apt install \
   libsigc++-2.0-dev \
   libspdlog-dev \
   libwayland-dev \
-  scdoc
+  scdoc \
+  upower \
+  libxkbregistry-dev
 ```
 
 
-Contributions welcome! - have fun :)<br>
-The style guidelines is [Google's](https://google.github.io/styleguide/cppguide.html)
+Contributions welcome!<br>
+Have fun :)<br>
+The style guidelines are [Google's](https://google.github.io/styleguide/cppguide.html)
 
 ## License
 

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": 1711163522,
+        "narHash": "sha256-YN/Ciidm+A0fmJPWlHBGvVkcarYWSC+s3NTPk/P+q3c=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "44d0940ea560dee511026a53f0e2e2cde489b4d4",
+        "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

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <gtkmm/box.h>
+#include <gtkmm/image.h>
+
+#include "ALabel.hpp"
+
+namespace waybar {
+
+class AIconLabel : public ALabel {
+ public:
+  AIconLabel(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 ~AIconLabel() = default;
+  auto update() -> void override;
+
+ protected:
+  Gtk::Image image_;
+  Gtk::Box box_;
+
+  bool iconEnabled() const;
+};
+
+}  // namespace waybar

include/ALabel.hpp

@@ -3,6 +3,7 @@
 #include <glibmm/markup.h>
 #include <gtkmm/label.h>
 #include <json/json.h>
+
 #include "AModule.hpp"
 
 namespace waybar {
@@ -10,20 +11,21 @@ namespace waybar {
 class ALabel : public AModule {
  public:
   ALabel(const Json::Value &, const std::string &, const std::string &, const std::string &format,
-         uint16_t interval = 0, bool ellipsize = false, bool enable_click = false, bool enable_scroll = false);
+         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, std::vector<std::string> &alts, uint16_t max = 0);
+  virtual std::string getIcon(uint16_t, const std::vector<std::string> &alts, uint16_t max = 0);
 
  protected:
-  Gtk::Label                 label_;
-  std::string                format_;
+  Gtk::Label label_;
+  std::string format_;
   const std::chrono::seconds interval_;
-  bool                       alt_ = false;
-  std::string                default_format_;
+  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

@@ -11,31 +11,64 @@ 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);
-  bool       tooltipEnabled();
+  bool tooltipEnabled();
 
-  const std::string  name_;
+  const std::string name_;
   const Json::Value &config_;
-  Gtk::EventBox      event_box_;
+  Gtk::EventBox event_box_;
 
   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_;
+  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"}};
 };
 
 }  // namespace waybar

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

@@ -7,8 +7,9 @@ namespace waybar {
 class IModule {
  public:
   virtual ~IModule() = default;
-  virtual auto     update() -> void = 0;
-  virtual          operator Gtk::Widget &() = 0;
+  virtual auto update() -> void = 0;
+  virtual operator Gtk::Widget&() = 0;
+  virtual auto doAction(const std::string& name) -> void = 0;
 };
 
 }  // namespace waybar

include/bar.hpp

@@ -8,7 +8,11 @@
 #include <gtkmm/window.h>
 #include <json/json.h>
 
+#include <memory>
+#include <vector>
+
 #include "AModule.hpp"
+#include "group.hpp"
 #include "xdg-output-unstable-v1-client-protocol.h"
 
 namespace waybar {
@@ -16,7 +20,8 @@ namespace waybar {
 class Factory;
 struct waybar_output {
   Glib::RefPtr<Gdk::Monitor> monitor;
-  std::string                name;
+  std::string name;
+  std::string identifier;
 
   std::unique_ptr<struct zxdg_output_v1, decltype(&zxdg_output_v1_destroy)> xdg_output = {
       nullptr, &zxdg_output_v1_destroy};
@@ -35,54 +40,83 @@ struct bar_margins {
   int left = 0;
 };
 
-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 setPosition(const std::string_view &position) = 0;
-  virtual void setSize(uint32_t width, uint32_t height) = 0;
-  virtual void commit(){};
-
-  virtual ~BarSurface() = default;
+struct bar_mode {
+  bar_layer layer;
+  bool exclusive;
+  bool passthrough;
+  bool visible;
 };
 
+#ifdef HAVE_SWAY
+namespace modules::sway {
+class BarIpcClient;
+}
+#endif  // HAVE_SWAY
+
 class Bar {
  public:
+  using bar_mode_map = std::map<std::string, struct bar_mode>;
+  static const bar_mode_map PRESET_MODES;
+  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() = default;
+  ~Bar();
 
+  void setMode(const std::string &mode);
   void setVisible(bool visible);
   void toggle();
   void handleSignal(int);
 
   struct waybar_output *output;
-  Json::Value           config;
-  struct wl_surface *   surface;
-  bool                  visible = true;
-  bool                  vertical = false;
-  Gtk::Window           window;
+  Json::Value config;
+  struct wl_surface *surface;
+  bool visible = true;
+  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;
+#endif
 
  private:
   void onMap(GdkEventAny *);
   auto setupWidgets() -> void;
-  void getModules(const Factory &, const std::string &);
+  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();
 
-  std::unique_ptr<BarSurface>                   surface_impl_;
-  bar_layer                                     layer_;
-  Gtk::Box                                      left_;
-  Gtk::Box                                      center_;
-  Gtk::Box                                      right_;
-  Gtk::Box                                      box_;
-  std::vector<std::unique_ptr<waybar::AModule>> modules_left_;
-  std::vector<std::unique_ptr<waybar::AModule>> modules_center_;
-  std::vector<std::unique_ptr<waybar::AModule>> modules_right_;
+  /* Copy initial set of modes to allow customization */
+  bar_mode_map configured_modes = PRESET_MODES;
+  std::string last_mode_{MODE_DEFAULT};
+
+  struct bar_margins margins_;
+  uint32_t width_, height_;
+  bool passthrough_;
+
+  Gtk::Box left_;
+  Gtk::Box center_;
+  Gtk::Box right_;
+  Gtk::Box box_;
+  std::vector<std::shared_ptr<waybar::AModule>> modules_left_;
+  std::vector<std::shared_ptr<waybar::AModule>> modules_center_;
+  std::vector<std::shared_ptr<waybar::AModule>> modules_right_;
+#ifdef HAVE_SWAY
+  using BarIpcClient = modules::sway::BarIpcClient;
+  std::unique_ptr<BarIpcClient> _ipc_client;
+#endif
+  std::vector<std::shared_ptr<waybar::AModule>> modules_all_;
 };
 
 }  // namespace waybar

include/client.hpp

@@ -3,12 +3,13 @@
 #include <fmt/format.h>
 #include <gdk/gdk.h>
 #include <gdk/gdkwayland.h>
-#include <unistd.h>
 #include <wayland-client.h>
-#include <wordexp.h>
-#include "bar.hpp"
 
-struct zwlr_layer_shell_v1;
+#include "bar.hpp"
+#include "config.hpp"
+#include "util/css_reload_helper.hpp"
+#include "util/portal.hpp"
+
 struct zwp_idle_inhibitor_v1;
 struct zwp_idle_inhibit_manager_v1;
 
@@ -17,26 +18,24 @@ namespace waybar {
 class Client {
  public:
   static Client *inst();
-  int            main(int argc, char *argv[]);
+  int main(int argc, char *argv[]);
+  void reset();
 
-  Glib::RefPtr<Gtk::Application>      gtk_app;
-  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;
+  Glib::RefPtr<Gtk::Application> gtk_app;
+  Glib::RefPtr<Gdk::Display> gdk_display;
+  struct wl_display *wl_display = nullptr;
+  struct wl_registry *registry = 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;
+  std::vector<std::unique_ptr<Bar>> bars;
+  Config config;
+  std::string bar_id;
 
  private:
   Client() = default;
-  std::tuple<const std::string, const std::string> getConfigs(const std::string &config,
-                                                              const std::string &style) const;
-  void                                             bindInterfaces();
-  const std::string getValidPath(const std::vector<std::string> &paths) const;
-  void              handleOutput(struct waybar_output &output);
-  bool isValidOutput(const Json::Value &config, struct waybar_output &output);
-  auto setupConfig(const std::string &config_file) -> void;
+  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;
   struct waybar_output &getOutput(void *);
   std::vector<Json::Value> getOutputConfigs(struct waybar_output &output);
@@ -44,14 +43,19 @@ class Client {
   static void handleGlobal(void *data, struct wl_registry *registry, uint32_t name,
                            const char *interface, uint32_t version);
   static void handleGlobalRemove(void *data, struct wl_registry *registry, uint32_t name);
+  static void handleOutputDone(void *, struct zxdg_output_v1 *);
   static void handleOutputName(void *, struct zxdg_output_v1 *, const char *);
-  void        handleMonitorAdded(Glib::RefPtr<Gdk::Monitor> monitor);
-  void        handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor);
+  static void handleOutputDescription(void *, struct zxdg_output_v1 *, const char *);
+  void handleMonitorAdded(Glib::RefPtr<Gdk::Monitor> monitor);
+  void handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor);
+  void handleDeferredMonitorRemoval(Glib::RefPtr<Gdk::Monitor> monitor);
 
-  Json::Value                     config_;
   Glib::RefPtr<Gtk::StyleContext> style_context_;
-  Glib::RefPtr<Gtk::CssProvider>  css_provider_;
+  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/config.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <json/json.h>
+
+#include <optional>
+#include <string>
+
+#ifndef SYSCONFDIR
+#define SYSCONFDIR "/etc"
+#endif
+
+namespace waybar {
+
+class Config {
+ public:
+  static const std::vector<std::string> CONFIG_DIRS;
+  static const char *CONFIG_PATH_ENV;
+
+  /* Try to find any of provided names in the supported set of config directories */
+  static std::optional<std::string> findConfigPath(
+      const std::vector<std::string> &names, const std::vector<std::string> &dirs = CONFIG_DIRS);
+
+  Config() = default;
+
+  void load(const std::string &config);
+
+  Json::Value &getConfig() { return config_; }
+
+  std::vector<Json::Value> getOutputConfigs(const std::string &name, const std::string &identifier);
+
+ private:
+  void setupConfig(Json::Value &dst, const std::string &config_file, int depth);
+  void resolveConfigIncludes(Json::Value &config, int depth);
+  void mergeConfig(Json::Value &a_config_, Json::Value &b_config_);
+
+  std::string config_file_;
+
+  Json::Value config_;
+};
+}  // namespace waybar

include/factory.hpp

@@ -1,66 +1,20 @@
 #pragma once
 
 #include <json/json.h>
-#include "modules/clock.hpp"
-#ifdef HAVE_SWAY
-#include "modules/sway/mode.hpp"
-#include "modules/sway/window.hpp"
-#include "modules/sway/workspaces.hpp"
-#include "modules/sway/language.hpp"
-#endif
-#ifdef HAVE_WLR
-#include "modules/wlr/taskbar.hpp"
-#endif
-#ifdef HAVE_RIVER
-#include "modules/river/tags.hpp"
-#endif
-#if 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_LIBNL
-#include "modules/network.hpp"
-#endif
-#ifdef HAVE_LIBUDEV
-#include "modules/backlight.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
-#include "bar.hpp"
-#include "modules/custom.hpp"
-#include "modules/temperature.hpp"
-#if defined(__linux__)
-#  ifdef WANT_RFKILL
-#    include "modules/bluetooth.hpp"
-#  endif
-#endif
+
+#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_;
+  const Bar& bar_;
   const Json::Value& config_;
 };
 

include/group.hpp

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <gtkmm/box.h>
+#include <gtkmm/widget.h>
+#include <json/json.h>
+
+#include "AModule.hpp"
+#include "gtkmm/revealer.h"
+
+namespace waybar {
+
+class Group : public AModule {
+ public:
+  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;
@@ -15,47 +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);
-    std::string_view   name() const;
-    int                get_actual() const;
-    void               set_actual(int actual);
-    int                get_max() const;
-    void               set_max(int max);
-    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;
-  };
-
  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;
+  const std::string preferred_device_;
 
-  std::optional<BacklightDev> previous_best_;
-  std::string                 previous_format_;
+  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

@@ -1,53 +1,54 @@
 #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
+
 #include <algorithm>
 #include <fstream>
 #include <string>
 #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/";
 
-  void                                          refreshBatteries();
-  void                                          worker();
-  const std::string                             getAdapterStatus(uint8_t capacity) const;
-  const std::tuple<uint8_t, float, std::string> getInfos();
-  const std::string                             formatTimeRemaining(float hoursRemaining);
+  void refreshBatteries();
+  void worker();
+  const std::string getAdapterStatus(uint8_t capacity) const;
+  std::tuple<uint8_t, float, std::string, float, uint16_t, float> getInfos();
+  const std::string formatTimeRemaining(float hoursRemaining);
+  void setBarClass(std::string&);
 
-  int                   global_watch;
-  std::map<fs::path,int> batteries_;
-  fs::path              adapter_;
-  int                   battery_watch_fd_;
-  int                   global_watch_fd_;
-  std::mutex            battery_list_mutex_;
-  std::string           old_status_;
+  int global_watch;
+  std::map<fs::path, int> batteries_;
+  fs::path adapter_;
+  int battery_watch_fd_;
+  int global_watch_fd_;
+  std::mutex battery_list_mutex_;
+  std::string old_status_;
+  bool warnFirstTime_{true};
+  const Bar& bar_;
 
-  util::SleeperThread   thread_;
-  util::SleeperThread   thread_battery_update_;
-  util::SleeperThread   thread_timer_;
+  util::SleeperThread thread_;
+  util::SleeperThread thread_battery_update_;
+  util::SleeperThread thread_timer_;
 };
 
 }  // namespace waybar::modules

include/modules/bluetooth.hpp

@@ -1,26 +1,80 @@
 #pragma once
 
-#include <fmt/format.h>
 #include "ALabel.hpp"
-
-#include <fmt/chrono.h>
-#include "util/sleeper_thread.hpp"
+#ifdef WANT_RFKILL
 #include "util/rfkill.hpp"
+#endif
+#include <gio/gio.h>
+
+#include <optional>
+#include <string>
+#include <vector>
 
 namespace waybar::modules {
 
 class Bluetooth : public ALabel {
+  struct ControllerInfo {
+    std::string path;
+    std::string address;
+    std::string address_type;
+    // std::string name; // just use alias instead
+    std::string alias;
+    bool powered;
+    bool discoverable;
+    bool pairable;
+    bool discovering;
+  };
+
+  // NOTE: there are some properties that not all devices provide
+  struct DeviceInfo {
+    std::string path;
+    std::string paired_controller;
+    std::string address;
+    std::string address_type;
+    // std::optional<std::string> name; // just use alias instead
+    std::string alias;
+    std::optional<std::string> icon;
+    bool paired;
+    bool trusted;
+    bool blocked;
+    bool connected;
+    bool services_resolved;
+    // NOTE: experimental feature in bluez
+    std::optional<unsigned char> battery_percentage;
+  };
+
  public:
   Bluetooth(const std::string&, const Json::Value&);
-  ~Bluetooth() = default;
-  auto update() -> void;
+  virtual ~Bluetooth() = default;
+  auto update() -> void override;
 
  private:
-  std::string           status_;
-  util::SleeperThread 	thread_;
-  util::SleeperThread 	intervall_thread_;
+  static auto onInterfaceAddedOrRemoved(GDBusObjectManager*, GDBusObject*, GDBusInterface*,
+                                        gpointer) -> void;
+  static auto onInterfaceProxyPropertiesChanged(GDBusObjectManagerClient*, GDBusObjectProxy*,
+                                                GDBusProxy*, GVariant*, const gchar* const*,
+                                                gpointer) -> void;
 
+  auto getDeviceBatteryPercentage(GDBusObject*) -> std::optional<unsigned char>;
+  auto getDeviceProperties(GDBusObject*, DeviceInfo&) -> bool;
+  auto getControllerProperties(GDBusObject*, 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
   util::Rfkill rfkill_;
+#endif
+  const std::unique_ptr<GDBusObjectManager, void (*)(GDBusObjectManager*)> manager_;
+
+  std::string state_;
+  std::optional<ControllerInfo> cur_controller_;
+  std::vector<DeviceInfo> connected_devices_;
+  DeviceInfo cur_focussed_device_;
+  std::string device_enumerate_;
+
+  std::vector<std::string> device_preference_;
 };
 
 }  // namespace waybar::modules

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

@@ -1,42 +1,89 @@
 #pragma once
 
-#include <fmt/format.h>
-#if FMT_VERSION < 60000
-#include <fmt/time.h>
-#else
-#include <fmt/chrono.h>
-#endif
-#include <date/tz.h>
 #include "ALabel.hpp"
+#include "util/date.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
 
-struct waybar_time {
-  std::locale locale;
-  date::zoned_seconds ztime;
-};
+const std::string kCldPlaceholder{"calendar"};
+const std::string kTZPlaceholder{"tz_list"};
+const std::string kOrdPlaceholder{"ordinal_date"};
 
-class Clock : public ALabel {
+enum class CldMode { MONTH, YEAR };
+enum class WS { LEFT, RIGHT, HIDDEN };
+
+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
+  int cldShift_{1};              // calendar months shift factor
+  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;
+
+  // get local time zone
+  auto local_zone() -> const time_zone*;
+
+  // 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_;
-  const date::time_zone* time_zone_;
-  bool fixed_time_zone_;
-  int time_zone_idx_;
-  date::year_month_day cached_calendar_ymd_ = date::January/1/0;
-  std::string cached_calendar_text_;
 
-  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;
 
-  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;
+  auto getTZtext(sys_seconds now) -> std::string;
+  auto first_day_of_week() -> weekday;
+  // Module actions
+  void cldModeSwitch();
+  void cldShift_up();
+  void cldShift_down();
+  void cldShift_reset();
+  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},
+      {"shift_reset", &waybar::modules::Clock::cldShift_reset},
+      {"tz_up", &waybar::modules::Clock::tz_up},
+      {"tz_down", &waybar::modules::Clock::tz_down}};
 };
 
 }  // namespace waybar::modules

include/modules/cpu.hpp

@@ -1,13 +1,14 @@
 #pragma once
 
 #include <fmt/format.h>
-#include <unistd.h>
+
 #include <cstdint>
 #include <fstream>
 #include <numeric>
 #include <string>
 #include <utility>
 #include <vector>
+
 #include "ALabel.hpp"
 #include "util/sleeper_thread.hpp"
 
@@ -16,14 +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:
-  uint16_t                                getCpuLoad();
-  std::tuple<uint16_t, std::string>       getCpuUsage();
-  std::vector<std::tuple<size_t, size_t>> parseCpuinfo();
-
   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

@@ -1,8 +1,11 @@
 #pragma once
 
 #include <fmt/format.h>
+#include <fmt/args.h>
+
 #include <csignal>
 #include <string>
+
 #include "ALabel.hpp"
 #include "util/command.hpp"
 #include "util/json.hpp"
@@ -12,30 +15,34 @@ 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_;
-  std::string              text_;
-  std::string              alt_;
-  std::string              tooltip_;
+  const std::string name_;
+  const std::string output_name_;
+  std::string text_;
+  std::string id_;
+  std::string alt_;
+  std::string tooltip_;
   std::vector<std::string> class_;
-  int                      percentage_;
-  FILE*                    fp_;
-  int                      pid_;
-  util::command::res       output_;
-  util::JsonParser         parser_;
+  fmt::dynamic_format_arg_store<fmt::format_context> fields_;
+  int percentage_;
+  FILE* fp_;
+  int pid_;
+  util::command::res output_;
+  util::JsonParser parser_;
 
   util::SleeperThread thread_;
 };

include/modules/disk.hpp

@@ -1,23 +1,28 @@
 #pragma once
 
 #include <fmt/format.h>
-#include <fstream>
 #include <sys/statvfs.h>
+
+#include <fstream>
+
 #include "ALabel.hpp"
-#include "util/sleeper_thread.hpp"
 #include "util/format.hpp"
+#include "util/sleeper_thread.hpp"
 
 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/dwl/window.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#include <string>
+
+#include "AAppIconLabel.hpp"
+#include "bar.hpp"
+#include "dwl-ipc-unstable-v2-client-protocol.h"
+#include "util/json.hpp"
+
+namespace waybar::modules::dwl {
+
+class Window : public AAppIconLabel, public sigc::trackable {
+ public:
+  Window(const std::string &, const waybar::Bar &, const Json::Value &);
+  virtual ~Window() = default;
+
+  void handle_layout(const uint32_t layout);
+  void handle_title(const char *title);
+  void handle_appid(const char *ppid);
+  void handle_layout_symbol(const char *layout_symbol);
+  void handle_frame();
+
+  struct zdwl_ipc_manager_v2 *status_manager_;
+
+ private:
+  const Bar &bar_;
+
+  std::string title_;
+  std::string appid_;
+  std::string layout_symbol_;
+  uint32_t layout_;
+
+  struct zdwl_ipc_output_v2 *output_status_;
+};
+
+}  // namespace waybar::modules::dwl

include/modules/gamemode.hpp

@@ -0,0 +1,77 @@
+#pragma once
+
+#include <iostream>
+#include <map>
+#include <string>
+
+#include "ALabel.hpp"
+#include "giomm/dbusconnection.h"
+#include "giomm/dbusproxy.h"
+#include "glibconfig.h"
+#include "gtkmm/box.h"
+#include "gtkmm/image.h"
+#include "gtkmm/label.h"
+#include "gtkmm/overlay.h"
+
+namespace waybar::modules {
+
+class Gamemode : public AModule {
+ public:
+  Gamemode(const std::string &, const Json::Value &);
+  virtual ~Gamemode();
+  auto update() -> void override;
+
+ private:
+  const std::string DEFAULT_ICON_NAME = "input-gaming-symbolic";
+  const std::string DEFAULT_FORMAT = "{glyph}";
+  const std::string DEFAULT_FORMAT_ALT = "{glyph} {count}";
+  const std::string DEFAULT_TOOLTIP_FORMAT = "Games running: {count}";
+  const std::string DEFAULT_GLYPH = "";
+
+  void appear(const Glib::RefPtr<Gio::DBus::Connection> &connection, const Glib::ustring &name,
+              const Glib::ustring &name_owner);
+  void disappear(const Glib::RefPtr<Gio::DBus::Connection> &connection, const Glib::ustring &name);
+  void prepareForSleep_cb(const Glib::RefPtr<Gio::DBus::Connection> &connection,
+                          const Glib::ustring &sender_name, const Glib::ustring &object_path,
+                          const Glib::ustring &interface_name, const Glib::ustring &signal_name,
+                          const Glib::VariantContainerBase &parameters);
+  void notify_cb(const Glib::ustring &sender_name, const Glib::ustring &signal_name,
+                 const Glib::VariantContainerBase &arguments);
+
+  void getData();
+  bool handleToggle(GdkEventButton *const &) override;
+
+  // Config
+  std::string format = DEFAULT_FORMAT;
+  std::string format_alt = DEFAULT_FORMAT_ALT;
+  std::string tooltip_format = DEFAULT_TOOLTIP_FORMAT;
+  std::string glyph = DEFAULT_GLYPH;
+  bool tooltip = true;
+  bool hideNotRunning = true;
+  bool useIcon = true;
+  uint iconSize = 20;
+  uint iconSpacing = 4;
+  std::string iconName = DEFAULT_ICON_NAME;
+
+  Gtk::Box box_;
+  Gtk::Image icon_;
+  Gtk::Label label_;
+
+  const std::string dbus_name = "com.feralinteractive.GameMode";
+  const std::string dbus_obj_path = "/com/feralinteractive/GameMode";
+  const std::string dbus_interface = "org.freedesktop.DBus.Properties";
+  const std::string dbus_get_interface = "com.feralinteractive.GameMode";
+
+  uint gameCount = 0;
+
+  std::string lastStatus;
+  bool showAltText = false;
+
+  guint login1_id;
+  Glib::RefPtr<Gio::DBus::Proxy> gamemode_proxy;
+  Glib::RefPtr<Gio::DBus::Connection> system_connection;
+  bool gamemodeRunning;
+  guint gamemodeWatcher_id;
+};
+
+}  // namespace waybar::modules

include/modules/hyprland/backend.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <list>
+#include <memory>
+#include <mutex>
+#include <string>
+#include <utility>
+
+#include "util/json.hpp"
+
+namespace waybar::modules::hyprland {
+
+class EventHandler {
+ public:
+  virtual void onEvent(const std::string& ev) = 0;
+  virtual ~EventHandler() = default;
+};
+
+class IPC {
+ public:
+  IPC() { startIPC(); }
+
+  void registerForIPC(const std::string& ev, EventHandler* ev_handler);
+  void unregisterForIPC(EventHandler* handler);
+
+  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_;
+  util::JsonParser parser_;
+  std::list<std::pair<std::string, EventHandler*>> callbacks_;
+};
+
+inline std::unique_ptr<IPC> gIPC;
+inline bool modulesReady = false;
+};  // namespace waybar::modules::hyprland

include/modules/hyprland/language.hpp

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#include <string>
+
+#include "ALabel.hpp"
+#include "bar.hpp"
+#include "modules/hyprland/backend.hpp"
+#include "util/json.hpp"
+
+namespace waybar::modules::hyprland {
+
+class Language : public waybar::ALabel, public EventHandler {
+ public:
+  Language(const std::string&, const waybar::Bar&, const Json::Value&);
+  virtual ~Language();
+
+  auto update() -> void override;
+
+ private:
+  void onEvent(const std::string&) override;
+
+  void initLanguage();
+
+  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_;
+
+  Layout layout_;
+};
+
+}  // namespace waybar::modules::hyprland

include/modules/hyprland/submap.hpp

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#include <string>
+
+#include "ALabel.hpp"
+#include "bar.hpp"
+#include "modules/hyprland/backend.hpp"
+#include "util/json.hpp"
+
+namespace waybar::modules::hyprland {
+
+class Submap : public waybar::ALabel, public EventHandler {
+ public:
+  Submap(const std::string&, const waybar::Bar&, const Json::Value&);
+  ~Submap() override;
+
+  auto update() -> void override;
+
+ private:
+  auto parseConfig(const Json::Value&) -> void;
+  void onEvent(const std::string& ev) override;
+
+  std::mutex mutex_;
+  const Bar& bar_;
+  util::JsonParser parser_;
+  std::string submap_;
+  bool always_on_ = false;
+  std::string default_submap_ = "Default";
+};
+
+}  // namespace waybar::modules::hyprland

include/modules/hyprland/window.hpp

@@ -0,0 +1,65 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#include <string>
+
+#include "AAppIconLabel.hpp"
+#include "bar.hpp"
+#include "modules/hyprland/backend.hpp"
+#include "util/json.hpp"
+
+namespace waybar::modules::hyprland {
+
+class Window : public waybar::AAppIconLabel, public EventHandler {
+ public:
+  Window(const std::string&, const waybar::Bar&, const Json::Value&);
+  ~Window() override;
+
+  auto update() -> void override;
+
+ private:
+  struct Workspace {
+    int id;
+    int windows;
+    std::string last_window;
+    std::string last_window_title;
+
+    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_;
+  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 +1,226 @@
+#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; };
+  void setOutput(std::string const& value) { m_output = 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 moveToMonitor() const -> bool { return m_moveToMonitor; }
+
+  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;
+  bool m_moveToMonitor = 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

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <fmt/format.h>
+
 #include "ALabel.hpp"
 #include "bar.hpp"
 #include "client.hpp"
@@ -8,19 +9,22 @@
 namespace waybar::modules {
 
 class IdleInhibitor : public ALabel {
+  sigc::connection timeout_;
+
  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;
+  static bool status;
 
  private:
-  bool handleToggle(GdkEventButton* const& e);
+  bool handleToggle(GdkEventButton* const& e) override;
+  void toggleStatus();
 
-  const Bar&                    bar_;
+  const Bar& bar_;
   struct zwp_idle_inhibitor_v1* idle_inhibitor_;
-  int                           pid_;
+  int pid_;
 };
 
 }  // namespace waybar::modules

include/modules/image.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <fmt/format.h>
+#include <gtkmm/image.h>
+
+#include <csignal>
+#include <string>
+
+#include "ALabel.hpp"
+#include "gtkmm/box.h"
+#include "util/command.hpp"
+#include "util/json.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules {
+
+class Image : public AModule {
+ public:
+  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_;
+};
+
+}  // namespace waybar::modules

include/modules/inhibitor.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <gio/gio.h>
+
+#include <memory>
+
+#include "ALabel.hpp"
+#include "bar.hpp"
+
+namespace waybar::modules {
+
+class Inhibitor : public ALabel {
+ public:
+  Inhibitor(const std::string&, const waybar::Bar&, const Json::Value&);
+  virtual ~Inhibitor();
+  auto update() -> void override;
+  auto activated() -> bool;
+
+ private:
+  auto handleToggle(::GdkEventButton* const& e) -> bool override;
+
+  const std::unique_ptr<::GDBusConnection, void (*)(::GDBusConnection*)> dbus_;
+  const std::string inhibitors_;
+  int handle_ = -1;
+};
+
+}  // namespace waybar::modules

include/modules/jack.hpp

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <fmt/format.h>
+#include <jack/jack.h>
+#include <jack/thread.h>
+
+#include <fstream>
+
+#include "ALabel.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules {
+
+class JACK : public ALabel {
+ public:
+  JACK(const std::string &, const Json::Value &);
+  virtual ~JACK() = default;
+  auto update() -> void override;
+
+  int bufSize(jack_nframes_t size);
+  int sampleRate(jack_nframes_t rate);
+  int xrun();
+  void shutdown();
+
+ private:
+  std::string JACKState();
+
+  jack_client_t *client_;
+  jack_nframes_t bufsize_;
+  jack_nframes_t samplerate_;
+  unsigned int xruns_;
+  float load_;
+  bool running_;
+  std::mutex mutex_;
+  std::string state_;
+  util::SleeperThread thread_;
+};
+
+}  // namespace waybar::modules
+
+int bufSizeCallback(jack_nframes_t size, void *obj);
+int sampleRateCallback(jack_nframes_t rate, void *obj);
+int xrunCallback(void *obj);
+void shutdownCallback(void *obj);

include/modules/keyboard_state.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include <fmt/chrono.h>
+#include <gtkmm/label.h>
+
+#include <set>
+#include <unordered_map>
+
+#include "AModule.hpp"
+#include "bar.hpp"
+#include "util/sleeper_thread.hpp"
+
+extern "C" {
+#include <libevdev/libevdev.h>
+#include <libinput.h>
+}
+
+namespace waybar::modules {
+
+class KeyboardState : public AModule {
+ public:
+  KeyboardState(const std::string&, const waybar::Bar&, const Json::Value&);
+  virtual ~KeyboardState();
+  auto update() -> void override;
+
+ private:
+  auto tryAddDevice(const std::string&) -> void;
+
+  Gtk::Box box_;
+  Gtk::Label numlock_label_;
+  Gtk::Label capslock_label_;
+  Gtk::Label scrolllock_label_;
+
+  std::string numlock_format_;
+  std::string capslock_format_;
+  std::string scrolllock_format_;
+  const std::chrono::seconds interval_;
+  std::string icon_locked_;
+  std::string icon_unlocked_;
+  std::string devices_path_;
+
+  struct libinput* libinput_;
+  std::unordered_map<std::string, struct libinput_device*> libinput_devices_;
+  std::set<int> binding_keys;
+
+  util::SleeperThread libinput_thread_, hotplug_thread_;
+};
+
+}  // namespace waybar::modules

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

@@ -1,8 +1,10 @@
 #pragma once
 
 #include <fmt/format.h>
+
 #include <fstream>
 #include <unordered_map>
+
 #include "ALabel.hpp"
 #include "util/sleeper_thread.hpp"
 
@@ -11,11 +13,11 @@ 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();
+  void parseMeminfo();
 
   std::unordered_map<std::string, unsigned long> meminfo_;
 

include/modules/mpd/mpd.hpp

@@ -22,8 +22,8 @@ class MPD : public ALabel {
 
   // Not using unique_ptr since we don't manage the pointer
   // (It's either nullptr, or from the config)
-  const char*       server_;
-  const unsigned    port_;
+  const char* server_;
+  const unsigned port_;
   const std::string password_;
 
   unsigned timeout_;
@@ -31,17 +31,18 @@ class MPD : public ALabel {
   detail::unique_connection connection_;
 
   detail::unique_status status_;
-  mpd_state             state_;
-  detail::unique_song   song_;
+  mpd_state state_;
+  detail::unique_song song_;
 
  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;
-  void        setLabel();
+  std::string getFilename() const;
+  void setLabel();
   std::string getStateIcon() const;
   std::string getOptionIcon(std::string optionName, bool activated) const;
 

include/modules/mpd/state.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
-#include <mpd/client.h>
 #include <fmt/format.h>
+#include <mpd/client.h>
 #include <spdlog/spdlog.h>
 
 #include <condition_variable>
@@ -57,7 +57,7 @@ class State {
 };
 
 class Idle : public State {
-  Context* const   ctx_;
+  Context* const ctx_;
   sigc::connection idle_connection_;
 
  public:
@@ -80,7 +80,7 @@ class Idle : public State {
 };
 
 class Playing : public State {
-  Context* const   ctx_;
+  Context* const ctx_;
   sigc::connection timer_connection_;
 
  public:
@@ -102,7 +102,7 @@ class Playing : public State {
 };
 
 class Paused : public State {
-  Context* const   ctx_;
+  Context* const ctx_;
   sigc::connection timer_connection_;
 
  public:
@@ -124,7 +124,7 @@ class Paused : public State {
 };
 
 class Stopped : public State {
-  Context* const   ctx_;
+  Context* const ctx_;
   sigc::connection timer_connection_;
 
  public:
@@ -146,8 +146,9 @@ class Stopped : public State {
 };
 
 class Disconnected : public State {
-  Context* const   ctx_;
+  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();
@@ -170,7 +171,7 @@ class Disconnected : public State {
 
 class Context {
   std::unique_ptr<State> state_;
-  waybar::modules::MPD*  mpd_module_;
+  waybar::modules::MPD* mpd_module_;
 
   friend class State;
   friend class Playing;
@@ -188,18 +189,18 @@ class Context {
     state_->entry();
   }
 
-  bool                             is_connected() const;
-  bool                             is_playing() const;
-  bool                             is_paused() const;
-  bool                             is_stopped() const;
-  constexpr std::size_t            interval() const;
-  void                             tryConnect() const;
-  void                             checkErrors(mpd_connection*) const;
-  void                             do_update();
-  void                             queryMPD() const;
-  void                             fetchState() const;
-  constexpr mpd_state              state() const;
-  void                             emit() const;
+  bool is_connected() const;
+  bool is_playing() const;
+  bool is_paused() const;
+  bool is_stopped() const;
+  constexpr std::size_t interval() const;
+  void tryConnect() const;
+  void checkErrors(mpd_connection*) const;
+  void do_update();
+  void queryMPD() const;
+  void fetchState() const;
+  constexpr mpd_state state() const;
+  void emit() const;
   [[nodiscard]] unique_connection& connection();
 
  public:

include/modules/mpd/state.inl.hpp

@@ -8,13 +8,11 @@ inline bool Context::is_paused() const { return mpd_module_->paused(); }
 inline bool Context::is_stopped() const { return mpd_module_->stopped(); }
 
 constexpr inline std::size_t Context::interval() const { return mpd_module_->interval_.count(); }
-inline void                  Context::tryConnect() const { mpd_module_->tryConnect(); }
-inline unique_connection&    Context::connection() { return mpd_module_->connection_; }
-constexpr inline mpd_state   Context::state() const { return mpd_module_->state_; }
+inline void Context::tryConnect() const { mpd_module_->tryConnect(); }
+inline unique_connection& Context::connection() { return mpd_module_->connection_; }
+constexpr inline mpd_state Context::state() const { return mpd_module_->state_; }
 
-inline void Context::do_update() {
-  mpd_module_->setLabel();
-}
+inline void Context::do_update() { mpd_module_->setLabel(); }
 
 inline void Context::checkErrors(mpd_connection* conn) const { mpd_module_->checkErrors(conn); }
 inline void Context::queryMPD() const { mpd_module_->queryMPD(); }

include/modules/mpris/mpris.hpp

@@ -0,0 +1,88 @@
+#pragma once
+
+#include <iostream>
+#include <optional>
+#include <string>
+
+#include "gtkmm/box.h"
+#include "gtkmm/label.h"
+
+extern "C" {
+#include <playerctl/playerctl.h>
+}
+
+#include "ALabel.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules::mpris {
+
+class Mpris : public ALabel {
+ public:
+  Mpris(const std::string&, const Json::Value&);
+  virtual ~Mpris();
+  auto update() -> void override;
+  bool handleToggle(GdkEventButton* const&) override;
+
+ private:
+  static auto onPlayerNameAppeared(PlayerctlPlayerManager*, PlayerctlPlayerName*, gpointer) -> void;
+  static auto onPlayerNameVanished(PlayerctlPlayerManager*, PlayerctlPlayerName*, gpointer) -> void;
+  static auto onPlayerPlay(PlayerctlPlayer*, gpointer) -> void;
+  static auto onPlayerPause(PlayerctlPlayer*, gpointer) -> void;
+  static auto onPlayerStop(PlayerctlPlayer*, gpointer) -> void;
+  static auto onPlayerMetadata(PlayerctlPlayer*, GVariant*, gpointer) -> void;
+
+  struct PlayerInfo {
+    std::string name;
+    PlayerctlPlaybackStatus status;
+    std::string status_string;
+
+    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> position;  // same format
+  };
+
+  auto getPlayerInfo() -> std::optional<PlayerInfo>;
+  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_playing_;
+  std::string format_paused_;
+  std::string format_stopped_;
+
+  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_;
+
+  PlayerctlPlayerManager* manager;
+  PlayerctlPlayer* player;
+  std::string lastStatus;
+  std::string lastPlayer;
+
+  util::SleeperThread thread_;
+  std::chrono::time_point<std::chrono::system_clock> last_update_;
+};
+
+}  // namespace waybar::modules::mpris

include/modules/network.hpp

@@ -2,13 +2,14 @@
 
 #include <arpa/inet.h>
 #include <fmt/format.h>
-#include <ifaddrs.h>
 #include <linux/nl80211.h>
-#include <net/if.h>
 #include <netlink/genl/ctrl.h>
 #include <netlink/genl/genl.h>
 #include <netlink/netlink.h>
 #include <sys/epoll.h>
+
+#include <optional>
+
 #include "ALabel.hpp"
 #include "util/sleeper_thread.hpp"
 #ifdef WANT_RFKILL
@@ -20,65 +21,71 @@ 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;
   static const uint8_t EPOLL_MAX = 200;
 
   static int handleEvents(struct nl_msg*, void*);
+  static int handleEventsDone(struct nl_msg*, void*);
   static int handleScan(struct nl_msg*, void*);
 
-  void              worker();
-  void              createInfoSocket();
-  void              createEventSocket();
-  int               getExternalInterface(int skip_idx = -1) const;
-  void              getInterfaceAddress();
-  int               netlinkRequest(void*, uint32_t, uint32_t groups = 0) const;
-  int               netlinkResponse(void*, uint32_t, uint32_t groups = 0) const;
-  void              parseEssid(struct nlattr**);
-  void              parseSignal(struct nlattr**);
-  void              parseFreq(struct nlattr**);
-  bool              associatedOrJoined(struct nlattr**);
-  bool              checkInterface(struct ifinfomsg* rtif, std::string name);
-  int               getPreferredIface(int skip_idx = -1, bool wait = true) const;
-  auto              getInfo() -> void;
-  void              checkNewInterface(struct ifinfomsg* rtif);
-  const std::string getNetworkState() const;
-  void              clearIface();
-  bool              wildcardMatch(const std::string& pattern, const std::string& text) const;
+  void askForStateDump(void);
 
-  int                ifid_;
-  sa_family_t        family_;
+  void worker();
+  void createInfoSocket();
+  void createEventSocket();
+  void parseEssid(struct nlattr**);
+  void parseSignal(struct nlattr**);
+  void parseFreq(struct nlattr**);
+  bool associatedOrJoined(struct nlattr**);
+  bool checkInterface(std::string name);
+  auto getInfo() -> void;
+  const std::string getNetworkState() const;
+  void clearIface();
+  bool wildcardMatch(const std::string& pattern, const std::string& text) const;
+  std::optional<std::pair<unsigned long long, unsigned long long>> readBandwidthUsage();
+
+  int ifid_;
+  sa_family_t family_;
   struct sockaddr_nl nladdr_ = {0};
-  struct nl_sock*    sock_ = nullptr;
-  struct nl_sock*    ev_sock_ = nullptr;
-  int                efd_;
-  int                ev_fd_;
-  int                nl80211_id_;
-  std::mutex         mutex_;
+  struct nl_sock* sock_ = nullptr;
+  struct nl_sock* ev_sock_ = nullptr;
+  int efd_;
+  int ev_fd_;
+  int nl80211_id_;
+  std::mutex mutex_;
+
+  bool want_route_dump_;
+  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_;
 
   std::string state_;
   std::string essid_;
+  bool carrier_;
   std::string ifname_;
   std::string ipaddr_;
+  std::string gwaddr_;
   std::string netmask_;
-  int         cidr_;
-  int32_t     signal_strength_dbm_;
-  uint8_t     signal_strength_;
-  uint32_t    frequency_;
+  int cidr_;
+  int32_t signal_strength_dbm_;
+  uint8_t signal_strength_;
+  std::string signal_strength_app_;
+  uint32_t route_priority;
 
   util::SleeperThread thread_;
   util::SleeperThread thread_timer_;
 #ifdef WANT_RFKILL
-  util::SleeperThread thread_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

@@ -1,51 +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) override;
+  const std::vector<std::string> getPulseIcon() const;
 
-  bool              handleScroll(GdkEventScroll* e);
-  const std::string getPortIcon() 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 default_sink_name_;
-  // 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

@@ -0,0 +1,28 @@
+#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 Mode : public waybar::ALabel {
+ public:
+  Mode(const std::string &, const waybar::Bar &, const Json::Value &);
+  virtual ~Mode();
+
+  // Handlers for wayland events
+  void handle_mode(const char *mode);
+
+  struct zriver_status_manager_v1 *status_manager_;
+  struct wl_seat *seat_;
+
+ private:
+  const waybar::Bar &bar_;
+  std::string mode_;
+  struct zriver_seat_status_v1 *seat_status_;
+};
+
+} /* namespace waybar::modules::river */

include/modules/river/tags.hpp

@@ -5,6 +5,7 @@
 
 #include "AModule.hpp"
 #include "bar.hpp"
+#include "river-control-unstable-v1-client-protocol.h"
 #include "river-status-unstable-v1-client-protocol.h"
 #include "xdg-output-unstable-v1-client-protocol.h"
 
@@ -13,17 +14,23 @@ 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);
   void handle_view_tags(struct wl_array *tags);
+  void handle_urgent_tags(uint32_t tags);
+
+  void handle_primary_clicked(uint32_t tag);
+  bool handle_button_press(GdkEventButton *event_button, uint32_t tag);
 
   struct zriver_status_manager_v1 *status_manager_;
+  struct zriver_control_v1 *control_;
+  struct wl_seat *seat_;
 
  private:
-  const waybar::Bar &      bar_;
-  Gtk::Box                 box_;
+  const waybar::Bar &bar_;
+  Gtk::Box box_;
   std::vector<Gtk::Button> buttons_;
   struct zriver_output_status_v1 *output_status_;
 };

include/modules/river/window.hpp

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <gtkmm/button.h>
+#include <wayland-client.h>
+
+#include "ALabel.hpp"
+#include "bar.hpp"
+#include "river-status-unstable-v1-client-protocol.h"
+#include "xdg-output-unstable-v1-client-protocol.h"
+
+namespace waybar::modules::river {
+
+class Window : public waybar::ALabel {
+ public:
+  Window(const std::string &, const waybar::Bar &, const Json::Value &);
+  virtual ~Window();
+
+  // Handlers for wayland events
+  void handle_focused_view(const char *title);
+  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_seat_status_v1 *seat_status_;
+};
+
+} /* namespace waybar::modules::river */

include/modules/simpleclock.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <fmt/chrono.h>
+
+#include "ALabel.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules {
+
+class Clock : public ALabel {
+ public:
+  Clock(const std::string&, const Json::Value&);
+  virtual ~Clock() = default;
+  auto update() -> void override;
+
+ private:
+  util::SleeperThread thread_;
+};
+
+}  // namespace waybar::modules

include/modules/sndio.hpp

@@ -1,7 +1,9 @@
 #pragma once
 
 #include <sndio.h>
+
 #include <vector>
+
 #include "ALabel.hpp"
 #include "util/sleeper_thread.hpp"
 
@@ -9,13 +11,13 @@ namespace waybar::modules {
 
 class Sndio : public ALabel {
  public:
-  Sndio(const std::string&, const Json::Value&);
-  ~Sndio();
-  auto update() -> void;
+  Sndio(const std::string &, const Json::Value &);
+  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/host.hpp

@@ -4,38 +4,43 @@
 #include <giomm.h>
 #include <glibmm/refptr.h>
 #include <json/json.h>
+
 #include <tuple>
+
+#include "bar.hpp"
 #include "modules/sni/item.hpp"
 
 namespace waybar::modules::SNI {
 
 class Host {
  public:
-  Host(const std::size_t id, const Json::Value&, const std::function<void(std::unique_ptr<Item>&)>&,
+  Host(const std::size_t id, const Json::Value&, const Bar&,
+       const std::function<void(std::unique_ptr<Item>&)>&,
        const std::function<void(std::unique_ptr<Item>&)>&);
   ~Host();
 
  private:
-  void        busAcquired(const Glib::RefPtr<Gio::DBus::Connection>&, Glib::ustring);
-  void        nameAppeared(const Glib::RefPtr<Gio::DBus::Connection>&, Glib::ustring,
-                           const Glib::ustring&);
-  void        nameVanished(const Glib::RefPtr<Gio::DBus::Connection>&, Glib::ustring);
+  void busAcquired(const Glib::RefPtr<Gio::DBus::Connection>&, Glib::ustring);
+  void nameAppeared(const Glib::RefPtr<Gio::DBus::Connection>&, Glib::ustring,
+                    const Glib::ustring&);
+  void nameVanished(const Glib::RefPtr<Gio::DBus::Connection>&, Glib::ustring);
   static void proxyReady(GObject*, GAsyncResult*, gpointer);
   static void registerHost(GObject*, GAsyncResult*, gpointer);
   static void itemRegistered(SnWatcher*, const gchar*, gpointer);
   static void itemUnregistered(SnWatcher*, const gchar*, gpointer);
 
   std::tuple<std::string, std::string> getBusNameAndObjectPath(const std::string);
-  void                                 addRegisteredItem(std::string service);
+  void addRegisteredItem(std::string service);
 
-  std::vector<std::unique_ptr<Item>>                items_;
-  const std::string                                 bus_name_;
-  const std::string                                 object_path_;
-  std::size_t                                       bus_name_id_;
-  std::size_t                                       watcher_id_;
-  GCancellable*                                     cancellable_ = nullptr;
-  SnWatcher*                                        watcher_ = nullptr;
-  const Json::Value&                                config_;
+  std::vector<std::unique_ptr<Item>> items_;
+  const std::string bus_name_;
+  const std::string object_path_;
+  std::size_t bus_name_id_;
+  std::size_t watcher_id_;
+  GCancellable* cancellable_ = nullptr;
+  SnWatcher* watcher_ = nullptr;
+  const Json::Value& config_;
+  const Bar& bar_;
   const std::function<void(std::unique_ptr<Item>&)> on_add_;
   const std::function<void(std::unique_ptr<Item>&)> on_remove_;
 };

include/modules/sni/item.hpp

@@ -11,36 +11,45 @@
 #include <libdbusmenu-gtk/dbusmenu-gtk.h>
 #include <sigc++/trackable.h>
 
+#include <set>
+#include <string_view>
+
+#include "bar.hpp"
+
 namespace waybar::modules::SNI {
 
+struct ToolTip {
+  Glib::ustring icon_name;
+  Glib::ustring text;
+};
+
 class Item : public sigc::trackable {
  public:
-  Item(const std::string&, const std::string&, const Json::Value&);
+  Item(const std::string&, const std::string&, const Json::Value&, const Bar&);
   ~Item() = default;
 
   std::string bus_name;
   std::string object_path;
 
-  int           icon_size;
-  int           effective_icon_size;
-  Gtk::Image    image;
+  int icon_size;
+  int effective_icon_size;
+  Gtk::Image image;
   Gtk::EventBox event_box;
-  std::string   category;
-  std::string   id;
-  std::string   status;
+  std::string category;
+  std::string id;
 
-  std::string                  title;
-  int32_t                      window_id;
-  std::string                  icon_name;
-  Glib::RefPtr<Gdk::Pixbuf>    icon_pixmap;
+  std::string title;
+  std::string icon_name;
+  Glib::RefPtr<Gdk::Pixbuf> icon_pixmap;
   Glib::RefPtr<Gtk::IconTheme> icon_theme;
-  std::string                  overlay_icon_name;
-  std::string                  attention_icon_name;
-  std::string                  attention_movie_name;
-  std::string                  icon_theme_path;
-  std::string                  menu;
-  DbusmenuGtkMenu*             dbus_menu = nullptr;
-  Gtk::Menu*                   gtk_menu = nullptr;
+  std::string overlay_icon_name;
+  std::string attention_icon_name;
+  std::string attention_movie_name;
+  std::string icon_theme_path;
+  std::string menu;
+  ToolTip tooltip;
+  DbusmenuGtkMenu* dbus_menu = nullptr;
+  Gtk::Menu* gtk_menu = nullptr;
   /**
    * ItemIsMenu flag means that the item only supports the context menu.
    * Default value is true because libappindicator supports neither ItemIsMenu nor Activate method
@@ -49,23 +58,37 @@ class Item : public sigc::trackable {
   bool item_is_menu = true;
 
  private:
+  void onConfigure(GdkEventConfigure* ev);
   void proxyReady(Glib::RefPtr<Gio::AsyncResult>& result);
   void setProperty(const Glib::ustring& name, Glib::VariantBase& value);
+  void setStatus(const Glib::ustring& value);
   void getUpdatedProperties();
   void processUpdatedProperties(Glib::RefPtr<Gio::AsyncResult>& result);
   void onSignal(const Glib::ustring& sender_name, const Glib::ustring& signal_name,
                 const Glib::VariantContainerBase& arguments);
 
-  void                      updateImage();
+  void updateImage();
   Glib::RefPtr<Gdk::Pixbuf> extractPixBuf(GVariant* variant);
+  Glib::RefPtr<Gdk::Pixbuf> getIconPixbuf();
   Glib::RefPtr<Gdk::Pixbuf> getIconByName(const std::string& name, int size);
-  static void               onMenuDestroyed(Item* self, GObject* old_menu_pointer);
-  void                      makeMenu();
-  bool                      handleClick(GdkEventButton* const& /*ev*/);
+  double getScaledIconSize();
+  static void onMenuDestroyed(Item* self, GObject* old_menu_pointer);
+  void makeMenu();
+  bool handleClick(GdkEventButton* const& /*ev*/);
+  bool handleScroll(GdkEventScroll* const&);
+
+  // smooth scrolling threshold
+  gdouble scroll_threshold_ = 0;
+  gdouble distance_scrolled_x_ = 0;
+  gdouble distance_scrolled_y_ = 0;
+  // visibility of items with Status == Passive
+  bool show_passive_ = false;
+
+  const Bar& bar_;
 
   Glib::RefPtr<Gio::DBus::Proxy> proxy_;
   Glib::RefPtr<Gio::Cancellable> cancellable_;
-  bool                           update_pending_;
+  std::set<std::string_view> update_pending_;
 };
 
 }  // namespace waybar::modules::SNI

include/modules/sni/tray.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <fmt/format.h>
+
 #include "AModule.hpp"
 #include "bar.hpp"
 #include "modules/sni/host.hpp"
@@ -12,17 +13,17 @@ 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);
   void onRemove(std::unique_ptr<Item>& item);
 
   static inline std::size_t nb_hosts_ = 0;
-  Gtk::Box                  box_;
-  SNI::Watcher::singleton   watcher_;
-  SNI::Host                 host_;
+  Gtk::Box box_;
+  SNI::Watcher::singleton watcher_;
+  SNI::Host host_;
 };
 
 }  // namespace waybar::modules::SNI

include/modules/sni/watcher.hpp

@@ -30,26 +30,26 @@ class Watcher {
 
   typedef struct {
     GfWatchType type;
-    Watcher *   watcher;
-    gchar *     service;
-    gchar *     bus_name;
-    gchar *     object_path;
-    guint       watch_id;
+    Watcher *watcher;
+    gchar *service;
+    gchar *bus_name;
+    gchar *object_path;
+    guint watch_id;
   } GfWatch;
 
-  void            busAcquired(const Glib::RefPtr<Gio::DBus::Connection> &, Glib::ustring);
+  void busAcquired(const Glib::RefPtr<Gio::DBus::Connection> &, Glib::ustring);
   static gboolean handleRegisterHost(Watcher *, GDBusMethodInvocation *, const gchar *);
   static gboolean handleRegisterItem(Watcher *, GDBusMethodInvocation *, const gchar *);
   static GfWatch *gfWatchFind(GSList *list, const gchar *bus_name, const gchar *object_path);
   static GfWatch *gfWatchNew(GfWatchType, const gchar *, const gchar *, const gchar *, Watcher *);
-  static void     nameVanished(GDBusConnection *connection, const char *name, gpointer data);
-  static void     gfWatchFree(gpointer data);
+  static void nameVanished(GDBusConnection *connection, const char *name, gpointer data);
+  static void gfWatchFree(gpointer data);
 
   void updateRegisteredItems(SnWatcher *obj);
 
-  uint32_t   bus_name_id_;
-  GSList *   hosts_ = nullptr;
-  GSList *   items_ = nullptr;
+  uint32_t bus_name_id_;
+  GSList *hosts_ = nullptr;
+  GSList *items_ = nullptr;
   SnWatcher *watcher_ = nullptr;
 };
 

include/modules/sway/bar.hpp

@@ -0,0 +1,60 @@
+#pragma once
+#include <atomic>
+#include <string>
+
+#include "modules/sway/ipc/client.hpp"
+#include "util/SafeSignal.hpp"
+#include "util/json.hpp"
+
+namespace waybar {
+
+class Bar;
+
+namespace modules::sway {
+
+/*
+ * Supported subset of i3/sway IPC barconfig object
+ */
+struct swaybar_config {
+  std::string id;
+  std::string mode;
+  std::string hidden_state;
+};
+
+/**
+ * swaybar IPC client
+ */
+class BarIpcClient {
+ public:
+  BarIpcClient(waybar::Bar& bar);
+
+ private:
+  void onInitialConfig(const struct Ipc::ipc_response& res);
+  void onIpcEvent(const struct Ipc::ipc_response&);
+  void onCmd(const struct Ipc::ipc_response&);
+  void onConfigUpdate(const swaybar_config& config);
+  void onVisibilityUpdate(bool visible_by_modifier);
+  void onModeUpdate(bool visible_by_modifier);
+  void onUrgencyUpdate(bool visible_by_urgency);
+  void update();
+  bool isModuleEnabled(std::string name);
+
+  Bar& bar_;
+  util::JsonParser parser_;
+  Ipc ipc_;
+
+  swaybar_config bar_config_;
+  std::string modifier_reset_;
+  bool visible_by_mode_ = false;
+  bool visible_by_modifier_ = false;
+  bool visible_by_urgency_ = false;
+  std::atomic<bool> modifier_no_action_ = false;
+
+  SafeSignal<bool> signal_mode_;
+  SafeSignal<bool> signal_visible_;
+  SafeSignal<bool> signal_urgency_;
+  SafeSignal<swaybar_config> signal_config_;
+};
+
+}  // namespace modules::sway
+}  // namespace waybar

include/modules/sway/ipc/client.hpp

@@ -4,9 +4,13 @@
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <unistd.h>
+
 #include <cstring>
 #include <memory>
 #include <mutex>
+#include <stdexcept>
+#include <string>
+
 #include "ipc.hpp"
 #include "util/sleeper_thread.hpp"
 
@@ -18,8 +22,8 @@ class Ipc {
   ~Ipc();
 
   struct ipc_response {
-    uint32_t    size;
-    uint32_t    type;
+    uint32_t size;
+    uint32_t type;
     std::string payload;
   };
 
@@ -33,16 +37,16 @@ class Ipc {
 
  protected:
   static inline const std::string ipc_magic_ = "i3-ipc";
-  static inline const size_t      ipc_header_size_ = ipc_magic_.size() + 8;
+  static inline const size_t ipc_header_size_ = ipc_magic_.size() + 8;
 
-  const std::string   getSocketPath() const;
-  int                 open(const std::string &) const;
+  const std::string getSocketPath() const;
+  int open(const std::string &) const;
   struct ipc_response send(int fd, uint32_t type, const std::string &payload = "");
   struct ipc_response recv(int fd);
 
-  int                 fd_;
-  int                 fd_event_;
-  std::mutex          mutex_;
+  int fd_;
+  int fd_event_;
+  std::mutex mutex_;
   util::SleeperThread thread_;
 };
 

include/modules/sway/ipc/ipc.hpp

@@ -1,8 +1,10 @@
 #pragma once
 
+#include <cstdint>
+
 #define event_mask(ev) (1u << (ev & 0x7F))
 
-enum ipc_command_type {
+enum ipc_command_type : uint32_t {
   // i3 command types - see i3's I3_REPLY_TYPE constants
   IPC_COMMAND = 0,
   IPC_GET_WORKSPACES = 1,
@@ -21,12 +23,16 @@ enum ipc_command_type {
   IPC_GET_SEATS = 101,
 
   // Events sent from sway to clients. Events have the highest bits set.
-  IPC_EVENT_WORKSPACE = ((1 << 31) | 0),
-  IPC_EVENT_OUTPUT = ((1 << 31) | 1),
-  IPC_EVENT_MODE = ((1 << 31) | 2),
-  IPC_EVENT_WINDOW = ((1 << 31) | 3),
-  IPC_EVENT_BARCONFIG_UPDATE = ((1 << 31) | 4),
-  IPC_EVENT_BINDING = ((1 << 31) | 5),
-  IPC_EVENT_SHUTDOWN = ((1 << 31) | 6),
-  IPC_EVENT_TICK = ((1 << 31) | 7),
+  IPC_EVENT_WORKSPACE = ((1U << 31) | 0),
+  IPC_EVENT_OUTPUT = ((1U << 31) | 1),
+  IPC_EVENT_MODE = ((1U << 31) | 2),
+  IPC_EVENT_WINDOW = ((1U << 31) | 3),
+  IPC_EVENT_BARCONFIG_UPDATE = ((1U << 31) | 4),
+  IPC_EVENT_BINDING = ((1U << 31) | 5),
+  IPC_EVENT_SHUTDOWN = ((1U << 31) | 6),
+  IPC_EVENT_TICK = ((1U << 31) | 7),
+
+  // sway-specific event types
+  IPC_EVENT_BAR_STATE_UPDATE = ((1U << 31) | 20),
+  IPC_EVENT_INPUT = ((1U << 31) | 21),
 };

include/modules/sway/language.hpp

@@ -1,6 +1,11 @@
 #pragma once
 
 #include <fmt/format.h>
+#include <xkbcommon/xkbregistry.h>
+
+#include <map>
+#include <string>
+
 #include "ALabel.hpp"
 #include "bar.hpp"
 #include "client.hpp"
@@ -12,17 +17,52 @@ 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 };
+
+  struct Layout {
+    std::string full_name;
+    std::string short_name;
+    std::string variant;
+    std::string short_description;
+    std::string country_flag() const;
+  };
+
+  class XKBContext {
+   public:
+    XKBContext();
+    ~XKBContext();
+    auto next_layout() -> Layout*;
+
+   private:
+    rxkb_context* context_ = nullptr;
+    rxkb_layout* xkb_layout_ = nullptr;
+    Layout* layout_ = nullptr;
+    std::map<std::string, rxkb_layout*> base_layouts_by_name_;
+  };
+
   void onEvent(const struct Ipc::ipc_response&);
   void onCmd(const struct Ipc::ipc_response&);
-  
-  std::string      lang_;
+
+  auto set_current_layout(std::string current_layout) -> void;
+  auto init_layouts_map(const std::vector<std::string>& used_layouts) -> void;
+
+  const static std::string XKB_LAYOUT_NAMES_KEY;
+  const static std::string XKB_ACTIVE_LAYOUT_NAME_KEY;
+
+  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);
+
   util::JsonParser parser_;
-  std::mutex       mutex_;
-  Ipc              ipc_;
+  std::mutex mutex_;
+  Ipc ipc_;
 };
 
 }  // namespace waybar::modules::sway

include/modules/sway/mode.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <fmt/format.h>
+
 #include "ALabel.hpp"
 #include "bar.hpp"
 #include "client.hpp"
@@ -12,16 +13,16 @@ 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&);
 
-  std::string      mode_;
+  std::string mode_;
   util::JsonParser parser_;
-  std::mutex       mutex_;
-  Ipc              ipc_;
+  std::mutex mutex_;
+  Ipc ipc_;
 };
 
 }  // namespace waybar::modules::sway

include/modules/sway/scratchpad.hpp

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <gtkmm/label.h>
+
+#include <mutex>
+#include <string>
+
+#include "ALabel.hpp"
+#include "bar.hpp"
+#include "client.hpp"
+#include "modules/sway/ipc/client.hpp"
+#include "util/json.hpp"
+
+namespace waybar::modules::sway {
+class Scratchpad : public ALabel {
+ public:
+  Scratchpad(const std::string&, const Json::Value&);
+  virtual ~Scratchpad() = default;
+  auto update() -> void override;
+
+ private:
+  auto getTree() -> void;
+  auto onCmd(const struct Ipc::ipc_response&) -> void;
+  auto onEvent(const struct Ipc::ipc_response&) -> void;
+
+  std::string tooltip_format_;
+  bool show_empty_;
+  bool tooltip_enabled_;
+  std::string tooltip_text_;
+  int count_;
+  std::mutex mutex_;
+  Ipc ipc_;
+  util::JsonParser parser_;
+};
+}  // namespace waybar::modules::sway

include/modules/sway/window.hpp

@@ -1,8 +1,10 @@
 #pragma once
 
 #include <fmt/format.h>
+
 #include <tuple>
-#include "ALabel.hpp"
+
+#include "AAppIconLabel.hpp"
 #include "bar.hpp"
 #include "client.hpp"
 #include "modules/sway/ipc/client.hpp"
@@ -10,28 +12,33 @@
 
 namespace waybar::modules::sway {
 
-class Window : public ALabel, 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                                                   onEvent(const struct Ipc::ipc_response&);
-  void                                                   onCmd(const struct Ipc::ipc_response&);
-  std::tuple<std::size_t, int, std::string, std::string> getFocusedNode(const Json::Value& nodes,
-                                                                        std::string&       output);
-  void                                                   getTree();
+  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, int, std::string, std::string, std::string, std::string, std::string>
+  getFocusedNode(const Json::Value& nodes, std::string& output);
+  void getTree();
 
-  const Bar&       bar_;
-  std::string      window_;
-  int              windowId_;
-  std::string      app_id_;
-  std::string      old_app_id_;
-  std::size_t      app_nb_;
+  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_;
+  int floating_count_;
   util::JsonParser parser_;
-  std::mutex       mutex_;
-  Ipc              ipc_;
+  std::mutex mutex_;
+  Ipc ipc_;
 };
 
 }  // namespace waybar::modules::sway

include/modules/sway/workspaces.hpp

@@ -1,48 +1,60 @@
 #pragma once
 
-#include <unordered_map>
 #include <fmt/format.h>
 #include <gtkmm/button.h>
 #include <gtkmm/label.h>
+
+#include <string_view>
 #include <unordered_map>
+
 #include "AModule.hpp"
 #include "bar.hpp"
 #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 --no-auto-back-and-forth \"{}\"";
+  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();
-  Gtk::Button&      addButton(const Json::Value&);
-  void              onButtonReady(const Json::Value&, Gtk::Button&);
-  std::string       getIcon(const std::string&, const Json::Value&);
+  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*);
+  uint16_t getWorkspaceIndex(const std::string& name) const;
+  std::string trimWorkspaceName(std::string);
+  bool handleScroll(GdkEventScroll*) override;
 
-  const Bar&                                   bar_;
-  std::vector<Json::Value>                     workspaces_;
-  std::vector<std::string>                     workspaces_order_;
-  Gtk::Box                                     box_;
-  util::JsonParser                             parser_;
+  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_;
-  Ipc                                          ipc_;
+  std::mutex mutex_;
+  Ipc ipc_;
 };
 
 }  // namespace waybar::modules::sway

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

@@ -1,7 +1,9 @@
 #pragma once
 
 #include <fmt/format.h>
+
 #include <fstream>
+
 #include "ALabel.hpp"
 #include "util/sleeper_thread.hpp"
 
@@ -10,14 +12,14 @@ 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();
-  bool                isCritical(uint16_t);
+  float getTemperature();
+  bool isCritical(uint16_t);
 
-  std::string         file_path_;
+  std::string file_path_;
   util::SleeperThread thread_;
 };
 

include/modules/upower/upower.hpp

@@ -0,0 +1,82 @@
+#pragma once
+
+#include <libupower-glib/upower.h>
+
+#include <iostream>
+#include <map>
+#include <string>
+#include <unordered_map>
+
+#include "ALabel.hpp"
+#include "glibconfig.h"
+#include "gtkmm/box.h"
+#include "gtkmm/image.h"
+#include "gtkmm/label.h"
+#include "modules/upower/upower_tooltip.hpp"
+
+namespace waybar::modules::upower {
+
+class UPower : public AModule {
+ public:
+  UPower(const std::string &, const Json::Value &);
+  virtual ~UPower();
+  auto update() -> void override;
+
+ private:
+  typedef std::unordered_map<std::string, UpDevice *> Devices;
+
+  const std::string DEFAULT_FORMAT = "{percentage}";
+  const std::string DEFAULT_FORMAT_ALT = "{percentage} {time}";
+
+  static void deviceAdded_cb(UpClient *client, UpDevice *device, gpointer data);
+  static void deviceRemoved_cb(UpClient *client, const gchar *objectPath, gpointer data);
+  static void deviceNotify_cb(UpDevice *device, GParamSpec *pspec, gpointer user_data);
+  static void prepareForSleep_cb(GDBusConnection *system_bus, const gchar *sender_name,
+                                 const gchar *object_path, const gchar *interface_name,
+                                 const gchar *signal_name, GVariant *parameters,
+                                 gpointer user_data);
+  static void upowerAppear(GDBusConnection *conn, const gchar *name, const gchar *name_owner,
+                           gpointer data);
+  static void upowerDisappear(GDBusConnection *connection, const gchar *name, gpointer user_data);
+
+  void removeDevice(const gchar *objectPath);
+  void addDevice(UpDevice *device);
+  void setDisplayDevice();
+  void resetDevices();
+  void removeDevices();
+  bool show_tooltip_callback(int, int, bool, const Glib::RefPtr<Gtk::Tooltip> &tooltip);
+  bool handleToggle(GdkEventButton *const &) override;
+  std::string timeToString(gint64 time);
+
+  const std::string getDeviceStatus(UpDeviceState &state);
+
+  Gtk::Box box_;
+  Gtk::Image icon_;
+  Gtk::Label label_;
+
+  // Config
+  bool hideIfEmpty = true;
+  bool tooltip_enabled = true;
+  uint tooltip_spacing = 4;
+  uint tooltip_padding = 4;
+  uint iconSize = 20;
+  std::string format = DEFAULT_FORMAT;
+  std::string format_alt = DEFAULT_FORMAT_ALT;
+
+  Devices devices;
+  std::mutex m_Mutex;
+  UpClient *client;
+  UpDevice *displayDevice = nullptr;
+  guint login1_id;
+  GDBusConnection *login1_connection;
+  std::unique_ptr<UPowerTooltip> upower_tooltip;
+  std::string lastStatus;
+  const char *lastWarningLevel;
+  bool showAltText;
+  bool showIcon = true;
+  bool upowerRunning;
+  guint upowerWatcher_id;
+  std::string nativePath_;
+};
+
+}  // namespace waybar::modules::upower

include/modules/upower/upower_tooltip.hpp

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <libupower-glib/upower.h>
+
+#include <memory>
+#include <unordered_map>
+
+#include "gtkmm/box.h"
+#include "gtkmm/label.h"
+#include "gtkmm/window.h"
+
+namespace waybar::modules::upower {
+
+class UPowerTooltip : public Gtk::Window {
+ private:
+  typedef std::unordered_map<std::string, UpDevice*> Devices;
+
+  const std::string getDeviceIcon(UpDeviceKind& kind);
+
+  std::unique_ptr<Gtk::Box> contentBox;
+
+  uint iconSize;
+  uint tooltipSpacing;
+  uint tooltipPadding;
+
+ public:
+  UPowerTooltip(uint iconSize, uint tooltipSpacing, uint tooltipPadding);
+  virtual ~UPowerTooltip();
+
+  uint updateTooltip(Devices& devices);
+};
+
+}  // namespace waybar::modules::upower

include/modules/user.hpp

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <fmt/chrono.h>
+#include <gdkmm/pixbuf.h>
+#include <glibmm/refptr.h>
+
+#include "AIconLabel.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules {
+class User : public AIconLabel {
+ public:
+  User(const std::string&, const Json::Value&);
+  virtual ~User() = default;
+  auto update() -> void override;
+
+  bool handleToggle(GdkEventButton* const& e) override;
+
+ private:
+  util::SleeperThread thread_;
+
+  static constexpr inline int defaultUserImageWidth_ = 20;
+  static constexpr inline int defaultUserImageHeight_ = 20;
+
+  long uptime_as_seconds();
+  std::string get_user_login() const;
+  std::string get_user_home_dir() const;
+  std::string get_default_user_avatar_path() const;
+  void init_default_user_avatar(int width, int height);
+  void init_user_avatar(const std::string& path, int width, int height);
+  void init_avatar(const Json::Value& config);
+  void init_update_worker();
+};
+}  // namespace waybar::modules

include/modules/wireplumber.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include <fmt/format.h>
+#include <wp/wp.h>
+
+#include <algorithm>
+#include <array>
+
+#include "ALabel.hpp"
+
+namespace waybar::modules {
+
+class Wireplumber : public ALabel {
+ public:
+  Wireplumber(const std::string&, const Json::Value&);
+  virtual ~Wireplumber();
+  auto update() -> void override;
+
+ private:
+  void asyncLoadRequiredApiModules();
+  void prepare();
+  void activatePlugins();
+  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 onDefaultNodesApiLoaded(WpObject* p, GAsyncResult* res,
+                                      waybar::modules::Wireplumber* self);
+  static void onMixerApiLoaded(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_;
+};
+
+}  // namespace waybar::modules

include/modules/wlr/taskbar.hpp

@@ -1,160 +1,179 @@
 #pragma once
 
+#include <gdk/gdk.h>
+#include <glibmm/refptr.h>
+#include <gtkmm/box.h>
+#include <gtkmm/button.h>
+#include <gtkmm/icontheme.h>
+#include <gtkmm/image.h>
+#include <gtkmm/label.h>
+#include <wayland-client.h>
+
+#include <map>
+#include <memory>
+#include <string>
+#include <unordered_set>
+#include <vector>
+
 #include "AModule.hpp"
 #include "bar.hpp"
 #include "client.hpp"
+#include "giomm/desktopappinfo.h"
 #include "util/json.hpp"
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include <gdk/gdk.h>
-
-#include <glibmm/refptr.h>
-
-#include <gtkmm/box.h>
-#include <gtkmm/button.h>
-#include <gtkmm/image.h>
-#include <gtkmm/label.h>
-#include <gtkmm/icontheme.h>
-
-#include <wayland-client.h>
 #include "wlr-foreign-toplevel-management-unstable-v1-client-protocol.h"
 
-
 namespace waybar::modules::wlr {
 
 class Taskbar;
 
-class Task
-{
-   public:
-    Task(const waybar::Bar&, const Json::Value&, Taskbar*,
-         struct zwlr_foreign_toplevel_handle_v1 *, struct wl_seat*);
-    ~Task();
+class Task {
+ public:
+  Task(const waybar::Bar &, const Json::Value &, Taskbar *,
+       struct zwlr_foreign_toplevel_handle_v1 *, struct wl_seat *);
+  ~Task();
 
-   public:
-    enum State {
-        MAXIMIZED = (1 << 0),
-        MINIMIZED = (1 << 1),
-        ACTIVE = (1 << 2),
-        FULLSCREEN = (1 << 3),
-        INVALID = (1 << 4)
-    };
+ public:
+  enum State {
+    MAXIMIZED = (1 << 0),
+    MINIMIZED = (1 << 1),
+    ACTIVE = (1 << 2),
+    FULLSCREEN = (1 << 3),
+    INVALID = (1 << 4)
+  };
+  // made public so TaskBar can reorder based on configuration.
+  Gtk::Button button;
 
-   private:
-    static uint32_t global_id;
+ private:
+  static uint32_t global_id;
 
-   private:
-    const waybar::Bar &bar_;
-    const Json::Value &config_;
-    Taskbar *tbar_;
-    struct zwlr_foreign_toplevel_handle_v1 *handle_;
-    struct wl_seat *seat_;
+ private:
+  const waybar::Bar &bar_;
+  const Json::Value &config_;
+  Taskbar *tbar_;
+  struct zwlr_foreign_toplevel_handle_v1 *handle_;
+  struct wl_seat *seat_;
 
-    uint32_t id_;
+  uint32_t id_;
 
-    Gtk::Button button_;
-    Gtk::Box content_;
-    Gtk::Image icon_;
-    Gtk::Label text_before_;
-    Gtk::Label text_after_;
-    bool button_visible_;
+  Gtk::Box content_;
+  Gtk::Image icon_;
+  Gtk::Label text_before_;
+  Gtk::Label text_after_;
+  Glib::RefPtr<Gio::DesktopAppInfo> app_info_;
+  bool button_visible_ = false;
+  bool ignored_ = false;
 
-    bool with_icon_;
-    std::string format_before_;
-    std::string format_after_;
+  bool with_icon_ = false;
+  bool with_name_ = false;
+  std::string format_before_;
+  std::string format_after_;
 
-    std::string format_tooltip_;
+  std::string format_tooltip_;
 
-    std::string title_;
-    std::string app_id_;
-    uint32_t state_ = 0;
+  std::string name_;
+  std::string title_;
+  std::string app_id_;
+  uint32_t state_ = 0;
 
-   private:
-    std::string repr() const;
-    std::string state_string(bool = false) const;
+  int32_t drag_start_x;
+  int32_t drag_start_y;
+  int32_t drag_start_button = -1;
 
-   public:
-    /* Getter functions */
-    uint32_t id() const { return id_; }
-    std::string title() const { return title_; }
-    std::string app_id() const { return app_id_; }
-    uint32_t state() const { return state_; }
-    bool maximized() const { return state_ & MAXIMIZED; }
-    bool minimized() const { return state_ & MINIMIZED; }
-    bool active() const { return state_ & ACTIVE; }
-    bool fullscreen() const { return state_ & FULLSCREEN; }
+ private:
+  std::string repr() const;
+  std::string state_string(bool = false) const;
+  void set_app_info_from_app_id_list(const std::string &app_id_list);
+  bool image_load_icon(Gtk::Image &image, const Glib::RefPtr<Gtk::IconTheme> &icon_theme,
+                       Glib::RefPtr<Gio::DesktopAppInfo> app_info, int size);
+  void hide_if_ignored();
 
-   public:
-    /* Callbacks for the wlr protocol */
-    void handle_title(const char *);
-    void handle_app_id(const char *);
-    void handle_output_enter(struct wl_output *);
-    void handle_output_leave(struct wl_output *);
-    void handle_state(struct wl_array *);
-    void handle_done();
-    void handle_closed();
+ public:
+  /* Getter functions */
+  uint32_t id() const { return id_; }
+  std::string title() const { return title_; }
+  std::string app_id() const { return app_id_; }
+  uint32_t state() const { return state_; }
+  bool maximized() const { return state_ & MAXIMIZED; }
+  bool minimized() const { return state_ & MINIMIZED; }
+  bool active() const { return state_ & ACTIVE; }
+  bool fullscreen() const { return state_ & FULLSCREEN; }
 
-    /* Callbacks for Gtk events */
-    bool handle_clicked(GdkEventButton *);
+ public:
+  /* Callbacks for the wlr protocol */
+  void handle_title(const char *);
+  void handle_app_id(const char *);
+  void handle_output_enter(struct wl_output *);
+  void handle_output_leave(struct wl_output *);
+  void handle_state(struct wl_array *);
+  void handle_done();
+  void handle_closed();
 
-  public:
-    bool operator==(const Task&) const;
-    bool operator!=(const Task&) const;
+  /* Callbacks for Gtk events */
+  bool handle_clicked(GdkEventButton *);
+  bool handle_button_release(GdkEventButton *);
+  bool handle_motion_notify(GdkEventMotion *);
+  void handle_drag_data_get(const Glib::RefPtr<Gdk::DragContext> &context,
+                            Gtk::SelectionData &selection_data, guint info, guint time);
+  void handle_drag_data_received(const Glib::RefPtr<Gdk::DragContext> &context, int x, int y,
+                                 Gtk::SelectionData selection_data, guint info, guint time);
 
-  public:
-    void update();
+ public:
+  bool operator==(const Task &) const;
+  bool operator!=(const Task &) const;
 
-  public:
-    /* Interaction with the tasks */
-    void maximize(bool);
-    void minimize(bool);
-    void activate();
-    void fullscreen(bool);
-    void close();
+ public:
+  void update();
+
+ public:
+  /* Interaction with the tasks */
+  void maximize(bool);
+  void minimize(bool);
+  void activate();
+  void fullscreen(bool);
+  void close();
 };
 
 using TaskPtr = std::unique_ptr<Task>;
 
+class Taskbar : public waybar::AModule {
+ public:
+  Taskbar(const std::string &, const waybar::Bar &, const Json::Value &);
+  ~Taskbar();
+  void update();
 
-class Taskbar : public waybar::AModule
-{
-   public:
-    Taskbar(const std::string&, const waybar::Bar&, const Json::Value&);
-    ~Taskbar();
-    void update();
+ private:
+  const waybar::Bar &bar_;
+  Gtk::Box box_;
+  std::vector<TaskPtr> tasks_;
 
-   private:
-    const waybar::Bar &bar_;
-    Gtk::Box box_;
-    std::vector<TaskPtr> tasks_;
+  std::vector<Glib::RefPtr<Gtk::IconTheme>> icon_themes_;
+  std::unordered_set<std::string> ignore_list_;
+  std::map<std::string, std::string> app_ids_replace_map_;
 
-    std::vector<Glib::RefPtr<Gtk::IconTheme>> icon_themes_;
+  struct zwlr_foreign_toplevel_manager_v1 *manager_;
+  struct wl_seat *seat_;
 
-    struct zwlr_foreign_toplevel_manager_v1 *manager_;
-    struct wl_seat *seat_;
+ public:
+  /* Callbacks for global registration */
+  void register_manager(struct wl_registry *, uint32_t name, uint32_t version);
+  void register_seat(struct wl_registry *, uint32_t name, uint32_t version);
 
-   public:
-    /* Callbacks for global registration */
-    void register_manager(struct wl_registry*, uint32_t name, uint32_t version);
-    void register_seat(struct wl_registry*, uint32_t name, uint32_t version);
+  /* Callbacks for the wlr protocol */
+  void handle_toplevel_create(struct zwlr_foreign_toplevel_handle_v1 *);
+  void handle_finished();
 
-    /* Callbacks for the wlr protocol */
-    void handle_toplevel_create(struct zwlr_foreign_toplevel_handle_v1 *);
-    void handle_finished();
+ public:
+  void add_button(Gtk::Button &);
+  void move_button(Gtk::Button &, int);
+  void remove_button(Gtk::Button &);
+  void remove_task(uint32_t);
 
-   public:
-    void add_button(Gtk::Button &);
-    void move_button(Gtk::Button &, int);
-    void remove_button(Gtk::Button &);
-    void remove_task(uint32_t);
+  bool show_output(struct wl_output *) const;
+  bool all_outputs() const;
 
-    bool show_output(struct wl_output *) const;
-    bool all_outputs() const;
-
-    std::vector<Glib::RefPtr<Gtk::IconTheme>> icon_themes() const;
+  const std::vector<Glib::RefPtr<Gtk::IconTheme>> &icon_themes() const;
+  const std::unordered_set<std::string> &ignore_list() const;
+  const std::map<std::string, std::string> &app_ids_replace_map() const;
 };
 
 } /* namespace waybar::modules::wlr */

include/modules/wlr/workspace_manager.hpp

@@ -0,0 +1,172 @@
+#pragma once
+
+#include <fmt/format.h>
+#include <gtkmm/button.h>
+#include <gtkmm/image.h>
+#include <gtkmm/label.h>
+
+#include <functional>
+#include <map>
+#include <memory>
+#include <vector>
+
+#include "AModule.hpp"
+#include "bar.hpp"
+#include "ext-workspace-unstable-v1-client-protocol.h"
+
+namespace waybar::modules::wlr {
+
+class WorkspaceManager;
+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, std::string name);
+  ~Workspace();
+  auto update() -> void;
+
+  auto id() const -> uint32_t { return id_; }
+  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;
+  auto show() -> void;
+  auto hide() -> void;
+  auto get_button_ref() -> Gtk::Button & { return button_; }
+  auto get_name() -> std::string & { return name_; }
+  auto get_coords() -> std::vector<uint32_t> & { return coordinates_; }
+
+  enum class State {
+    ACTIVE = (1 << 0),
+    URGENT = (1 << 1),
+    HIDDEN = (1 << 2),
+    EMPTY = (1 << 3),
+  };
+
+ private:
+  auto get_icon() -> std::string;
+
+  const Bar &bar_;
+  const Json::Value &config_;
+  WorkspaceGroup &workspace_group_;
+
+  // wlr stuff
+  zext_workspace_handle_v1 *workspace_handle_;
+  uint32_t state_ = 0;
+
+  uint32_t id_;
+  std::string name_;
+  std::vector<uint32_t> coordinates_;
+  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_;
+  Gtk::Label label_;
+};
+
+class WorkspaceGroup {
+ public:
+  WorkspaceGroup(const waybar::Bar &bar, Gtk::Box &box, const Json::Value &config,
+                 WorkspaceManager &manager, zext_workspace_group_handle_v1 *workspace_group_handle,
+                 uint32_t id);
+  ~WorkspaceGroup();
+  auto update() -> void;
+
+  auto id() const -> uint32_t { return id_; }
+  auto is_visible() const -> bool;
+  auto remove_workspace(uint32_t id_) -> void;
+  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;
+  auto handle_remove() -> void;
+  auto handle_output_enter(wl_output *output) -> void;
+  auto handle_output_leave() -> void;
+  auto handle_done() -> void;
+  auto commit() -> void;
+
+ private:
+  static uint32_t workspace_global_id;
+  const waybar::Bar &bar_;
+  Gtk::Box &box_;
+  const Json::Value &config_;
+  WorkspaceManager &workspace_manager_;
+
+  // wlr stuff
+  zext_workspace_group_handle_v1 *workspace_group_handle_;
+  wl_output *output_ = nullptr;
+
+  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 {
+ public:
+  WorkspaceManager(const std::string &id, const waybar::Bar &bar, const Json::Value &config);
+  ~WorkspaceManager() override;
+  auto update() -> void override;
+
+  auto all_outputs() const -> bool { return all_outputs_; }
+  auto active_only() const -> bool { return active_only_; }
+  auto workspace_comparator() const
+      -> std::function<bool(std::unique_ptr<Workspace> &, std::unique_ptr<Workspace> &)>;
+  auto creation_delayed() const -> bool { return creation_delayed_; }
+
+  auto sort_workspaces() -> void;
+  auto remove_workspace_group(uint32_t id_) -> void;
+
+  // wlr stuff
+  auto register_manager(wl_registry *registry, uint32_t name, uint32_t version) -> void;
+  auto handle_workspace_group_create(zext_workspace_group_handle_v1 *workspace_group_handle)
+      -> void;
+  auto handle_done() -> void;
+  auto handle_finished() -> void;
+  auto commit() -> void;
+
+ private:
+  const waybar::Bar &bar_;
+  Gtk::Box box_;
+  std::vector<std::unique_ptr<WorkspaceGroup>> groups_;
+
+  // wlr stuff
+  zext_workspace_manager_v1 *workspace_manager_ = nullptr;
+
+  static uint32_t group_global_id;
+
+  bool sort_by_name_ = true;
+  bool sort_by_coordinates_ = true;
+  bool sort_by_number_ = false;
+  bool all_outputs_ = false;
+  bool active_only_ = false;
+  bool creation_delayed_ = false;
+};
+
+}  // namespace waybar::modules::wlr

include/modules/wlr/workspace_manager_binding.hpp

@@ -0,0 +1,10 @@
+#include "ext-workspace-unstable-v1-client-protocol.h"
+
+namespace waybar::modules::wlr {
+void add_registry_listener(void *data);
+void add_workspace_listener(zext_workspace_handle_v1 *workspace_handle, void *data);
+void add_workspace_group_listener(zext_workspace_group_handle_v1 *workspace_group_handle,
+                                  void *data);
+zext_workspace_manager_v1 *workspace_manager_bind(wl_registry *registry, uint32_t name,
+                                                  uint32_t version, void *data);
+}  // namespace waybar::modules::wlr

include/util/SafeSignal.hpp

@@ -0,0 +1,75 @@
+#pragma once
+
+#include <glibmm/dispatcher.h>
+#include <sigc++/signal.h>
+
+#include <functional>
+#include <mutex>
+#include <queue>
+#include <thread>
+#include <tuple>
+#include <type_traits>
+#include <utility>
+
+namespace waybar {
+
+/**
+ * Thread-safe signal wrapper.
+ * Uses Glib::Dispatcher to pass events to another thread and locked queue to pass the arguments.
+ */
+template <typename... Args>
+struct SafeSignal : sigc::signal<void(std::decay_t<Args>...)> {
+ public:
+  SafeSignal() { dp_.connect(sigc::mem_fun(*this, &SafeSignal::handle_event)); }
+
+  template <typename... EmitArgs>
+  void emit(EmitArgs&&... args) {
+    if (main_tid_ == std::this_thread::get_id()) {
+      /*
+       * Bypass the queue if the method is called the main thread.
+       * Ensures that events emitted from the main thread are processed synchronously and saves a
+       * few CPU cycles on locking/queuing.
+       * As a downside, this makes main thread events prioritized over the other threads and
+       * disrupts chronological order.
+       */
+      signal_t::emit(std::forward<EmitArgs>(args)...);
+    } else {
+      {
+        std::unique_lock lock(mutex_);
+        queue_.emplace(std::forward<EmitArgs>(args)...);
+      }
+      dp_.emit();
+    }
+  }
+
+  template <typename... EmitArgs>
+  inline void operator()(EmitArgs&&... args) {
+    emit(std::forward<EmitArgs>(args)...);
+  }
+
+ protected:
+  using signal_t = sigc::signal<void(std::decay_t<Args>...)>;
+  using slot_t = decltype(std::declval<signal_t>().make_slot());
+  using arg_tuple_t = std::tuple<std::decay_t<Args>...>;
+  // ensure that unwrapped methods are not accessible
+  using signal_t::emit_reverse;
+  using signal_t::make_slot;
+
+  void handle_event() {
+    for (std::unique_lock lock(mutex_); !queue_.empty(); lock.lock()) {
+      auto args = queue_.front();
+      queue_.pop();
+      lock.unlock();
+      std::apply(cached_fn_, args);
+    }
+  }
+
+  Glib::Dispatcher dp_;
+  std::mutex mutex_;
+  std::queue<arg_tuple_t> queue_;
+  const std::thread::id main_tid_ = std::this_thread::get_id();
+  // cache functor for signal emission to avoid recreating it on each event
+  const slot_t cached_fn_ = make_slot();
+};
+
+}  // namespace waybar

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