chore: 0.9.8

Fix incorrect tray icon scaling

.github/workflows/freebsd.yml

@@ -8,15 +8,16 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Test in FreeBSD VM
-      uses: vmactions/freebsd-vm@v0.0.9 # aka FreeBSD 12.2
+      uses: vmactions/freebsd-vm@v0.1.4 # aka FreeBSD 12.2
       with:
         usesh: true
         prepare: |
           export CPPFLAGS=-isystem/usr/local/include LDFLAGS=-L/usr/local/lib # sndio
           sed -i '' 's/quarterly/latest/' /etc/pkg/FreeBSD.conf
           pkg install -y git #  subprojects/date
-          pkg install -y gtk-layer-shell gtkmm30 jsoncpp libdbusmenu sndio \
+          pkg install -y evdev-proto gtk-layer-shell gtkmm30 jsoncpp libdbusmenu \
-               libfmt libmpdclient libudev-devd meson pkgconf pulseaudio scdoc spdlog
+            libevdev libfmt libmpdclient libudev-devd meson pkgconf pulseaudio \
+            scdoc sndio spdlog
         run: |
           meson build -Dman-pages=enabled
           ninja -C build

.github/workflows/linux.yml

@@ -0,0 +1,25 @@
+name: linux
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        distro:
+          - alpine
+          - archlinux
+          - debian
+          - fedora
+          - opensuse
+
+    runs-on: ubuntu-latest
+    container:
+      image: alexays/waybar:${{ matrix.distro }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: configure
+        run: meson -Dman-pages=enabled build
+      - name: build
+        run: ninja -C build

.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

Dockerfiles/archlinux

@@ -1,6 +1,6 @@
 # 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 git meson base-devel libinput wayland wayland-protocols pixman libxkbcommon mesa gtkmm3 jsoncpp pugixml scdoc libpulse libdbusmenu-gtk3 libmpdclient gobject-introspection --noconfirm libxkbcommon

Dockerfiles/debian

@@ -3,5 +3,5 @@
 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 install -y build-essential meson ninja-build git pkg-config libinput10 libpugixml-dev libinput-dev wayland-protocols libwayland-client0 libwayland-cursor0 libwayland-dev libegl1-mesa-dev libgles2-mesa-dev libgbm-dev libxkbcommon-dev libudev-dev libpixman-1-dev libgtkmm-3.0-dev libjsoncpp-dev scdoc libdbusmenu-gtk3-dev libnl-3-dev libnl-genl-3-dev libpulse-dev libmpdclient-dev gobject-introspection libgirepository1.0-dev libxkbcommon-dev libxkbregistry-dev libxkbregistry0 && \
     apt-get clean

Dockerfiles/fedora

@@ -1,7 +1,12 @@
 # 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 && \
+RUN dnf install -y @c-development git-core meson scdoc 'pkgconfig(date)' \
-    dnf group install "C Development Tools and Libraries" -y && \
+    'pkgconfig(dbusmenu-gtk3-0.4)' 'pkgconfig(fmt)' 'pkgconfig(gdk-pixbuf-2.0)' \
+    'pkgconfig(gio-unix-2.0)' 'pkgconfig(gtk-layer-shell-0)' 'pkgconfig(gtkmm-3.0)' \
+    'pkgconfig(jsoncpp)' 'pkgconfig(libinput)' 'pkgconfig(libmpdclient)' \
+    'pkgconfig(libnl-3.0)' 'pkgconfig(libnl-genl-3.0)' 'pkgconfig(libpulse)' \
+    'pkgconfig(libudev)' 'pkgconfig(pugixml)' 'pkgconfig(sigc++-2.0)' 'pkgconfig(spdlog)' \
+    'pkgconfig(wayland-client)' 'pkgconfig(wayland-cursor)' 'pkgconfig(wayland-protocols)' 'pkgconfig(xkbregistry)' && \
     dnf clean all -y

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

README.md

@@ -68,6 +68,7 @@ libappindicator-gtk3 [Tray module]
 libdbusmenu-gtk3 [Tray module]
 libmpdclient [MPD module]
 libsndio [sndio module]
+libevdev [KeyboardState module]
 ```
 
 **Build dependencies**
@@ -86,6 +87,7 @@ sudo apt install \
   clang-tidy \
   gobject-introspection \
   libdbusmenu-gtk3-dev \
+  libevdev-dev \
   libfmt-dev \
   libgirepository1.0-dev \
   libgtk-3-dev \

include/ALabel.hpp

@@ -14,7 +14,7 @@ class ALabel : public AModule {
   virtual ~ALabel() = default;
   virtual auto        update() -> void;
   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_;

include/bar.hpp

@@ -44,6 +44,7 @@ class BarSurface {
   virtual void setExclusiveZone(bool enable) = 0;
   virtual void setLayer(bar_layer layer) = 0;
   virtual void setMargins(const struct bar_margins &margins) = 0;
+  virtual void setPassThrough(bool enable) = 0;
   virtual void setPosition(const std::string_view &position) = 0;
   virtual void setSize(uint32_t width, uint32_t height) = 0;
   virtual void commit(){};
@@ -64,6 +65,7 @@ class Bar {
   struct waybar_output *output;
   Json::Value           config;
   struct wl_surface *   surface;
+  bool                  exclusive = true;
   bool                  visible = true;
   bool                  vertical = false;
   Gtk::Window           window;

include/client.hpp

@@ -38,7 +38,9 @@ class Client {
   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;
+  auto                     setupConfig(const std::string &config_file, int depth) -> void;
+  auto                     resolveConfigIncludes(Json::Value &config, int depth) -> void;
+  auto                     mergeConfig(Json::Value &a_config_, Json::Value &b_config_) -> void;
   auto                     setupCss(const std::string &css_file) -> void;
   struct waybar_output &   getOutput(void *);
   std::vector<Json::Value> getOutputConfigs(struct waybar_output &output);

include/factory.hpp

@@ -38,6 +38,9 @@
 #ifdef HAVE_LIBUDEV
 #include "modules/backlight.hpp"
 #endif
+#ifdef HAVE_LIBEVDEV
+#include "modules/keyboard_state.hpp"
+#endif
 #ifdef HAVE_LIBPULSE
 #include "modules/pulseaudio.hpp"
 #endif

include/modules/keyboard_state.hpp

@@ -0,0 +1,47 @@
+#pragma once
+
+#include <fmt/format.h>
+#if FMT_VERSION < 60000
+#include <fmt/time.h>
+#else
+#include <fmt/chrono.h>
+#endif
+#include "AModule.hpp"
+#include "bar.hpp"
+#include "util/sleeper_thread.hpp"
+#include <gtkmm/label.h>
+
+extern "C" {
+#include <libevdev/libevdev.h>
+}
+
+namespace waybar::modules {
+
+class KeyboardState : public AModule {
+ public:
+  KeyboardState(const std::string&, const waybar::Bar&, const Json::Value&);
+  ~KeyboardState();
+  auto update() -> void;
+
+ private:
+  static auto openDevice(const std::string&) -> std::pair<int, libevdev*>;
+
+  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_;
+
+  int         fd_;
+  libevdev*   dev_;
+
+  util::SleeperThread thread_;
+};
+
+}  // namespace waybar::modules

include/modules/network.hpp

@@ -2,9 +2,7 @@
 
 #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>
@@ -28,23 +26,20 @@ class Network : public ALabel {
   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 askForStateDump(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);
+  bool              checkInterface(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;
@@ -59,11 +54,17 @@ class Network : public ALabel {
   int                nl80211_id_;
   std::mutex         mutex_;
 
+  bool               want_route_dump_;
+  bool               want_link_dump_;
+  bool               want_addr_dump_;
+  bool               dump_in_progress_;
+
   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 netmask_;
@@ -71,6 +72,7 @@ class Network : public ALabel {
   int32_t     signal_strength_dbm_;
   uint8_t     signal_strength_;
   uint32_t    frequency_;
+  uint32_t    route_priority;
 
   util::SleeperThread thread_;
   util::SleeperThread thread_timer_;

include/modules/pulseaudio.hpp

@@ -24,7 +24,7 @@ class Pulseaudio : public ALabel {
   static void volumeModifyCb(pa_context*, int, void*);
 
   bool              handleScroll(GdkEventScroll* e);
-  const std::string getPortIcon() const;
+  const std::vector<std::string> getPulseIcon() const;
 
   pa_threaded_mainloop* mainloop_;
   pa_mainloop_api*      mainloop_api_;
@@ -38,7 +38,8 @@ class Pulseaudio : public ALabel {
   std::string form_factor_;
   std::string desc_;
   std::string monitor_;
-  std::string default_sink_name_;
+  std::string current_sink_name_;
+  bool        current_sink_running_;
   // SOURCE
   uint32_t    source_idx_{0};
   uint16_t    source_volume_;

include/modules/sni/item.hpp

@@ -11,8 +11,16 @@
 #include <libdbusmenu-gtk/dbusmenu-gtk.h>
 #include <sigc++/trackable.h>
 
+#include <set>
+#include <string_view>
+
 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&);
@@ -27,10 +35,8 @@ class Item : public sigc::trackable {
   Gtk::EventBox event_box;
   std::string   category;
   std::string   id;
-  std::string   status;
 
   std::string                  title;
-  int32_t                      window_id;
   std::string                  icon_name;
   Glib::RefPtr<Gdk::Pixbuf>    icon_pixmap;
   Glib::RefPtr<Gtk::IconTheme> icon_theme;
@@ -39,6 +45,7 @@ class Item : public sigc::trackable {
   std::string                  attention_movie_name;
   std::string                  icon_theme_path;
   std::string                  menu;
+  ToolTip                      tooltip;
   DbusmenuGtkMenu*             dbus_menu = nullptr;
   Gtk::Menu*                   gtk_menu = nullptr;
   /**
@@ -51,6 +58,7 @@ class Item : public sigc::trackable {
  private:
   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,
@@ -58,14 +66,24 @@ class Item : public sigc::trackable {
 
   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);
+  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;
 
   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/sway/ipc/ipc.hpp

@@ -29,4 +29,8 @@ enum ipc_command_type {
   IPC_EVENT_BINDING = ((1 << 31) | 5),
   IPC_EVENT_SHUTDOWN = ((1 << 31) | 6),
   IPC_EVENT_TICK = ((1 << 31) | 7),
+
+	// sway-specific event types
+	IPC_EVENT_BAR_STATE_UPDATE = ((1<<31) | 20),
+	IPC_EVENT_INPUT = ((1<<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"
@@ -16,10 +21,38 @@ class Language : public ALabel, public sigc::trackable {
   auto update() -> void;
 
  private:
+  struct Layout {
+    std::string full_name;
+    std::string short_name;
+    std::string variant;
+  };
+
+  class XKBContext {
+   public:
+	   XKBContext();
+	   ~XKBContext();
+	   auto next_layout() -> Layout*;
+   private:
+	rxkb_context* context_ = nullptr;
+	rxkb_layout* xkb_layout_ = nullptr;
+	Layout* layout_ = nullptr;
+  };
+
   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_;
+  XKBContext xkb_context_;
+  bool is_variant_displayed;
+
   util::JsonParser         parser_;
   std::mutex               mutex_;
   Ipc                      ipc_;

include/modules/sway/window.hpp

@@ -22,6 +22,7 @@ class Window : public ALabel, public sigc::trackable {
   std::tuple<std::size_t, int, std::string, std::string> getFocusedNode(const Json::Value& nodes,
                                                                         std::string&       output);
   void                                                   getTree();
+  std::string                                            rewriteTitle(const std::string& title);
 
   const Bar&       bar_;
   std::string      window_;

include/modules/wlr/taskbar.hpp

@@ -8,6 +8,7 @@
 #include <memory>
 #include <string>
 #include <vector>
+#include <unordered_set>
 
 #include <gdk/gdk.h>
 
@@ -61,6 +62,7 @@ class Task
     Gtk::Label text_before_;
     Gtk::Label text_after_;
     bool button_visible_;
+    bool ignored_;
 
     bool with_icon_;
     std::string format_before_;
@@ -132,6 +134,7 @@ class Taskbar : public waybar::AModule
     std::vector<TaskPtr> tasks_;
 
     std::vector<Glib::RefPtr<Gtk::IconTheme>> icon_themes_;
+    std::unordered_set<std::string> ignore_list_;
 
     struct zwlr_foreign_toplevel_manager_v1 *manager_;
     struct wl_seat *seat_;
@@ -155,6 +158,7 @@ class Taskbar : public waybar::AModule
     bool all_outputs() const;
 
     std::vector<Glib::RefPtr<Gtk::IconTheme>> icon_themes() const;
+    const std::unordered_set<std::string>& ignore_list() const;
 };
 
 } /* namespace waybar::modules::wlr */

include/util/format.hpp

@@ -35,7 +35,11 @@ namespace fmt {
             // The rationale for ignoring it is that the only reason to specify
             // an alignment and a with is to get a fixed width bar, and ">" is
             // sufficient in this implementation.
+#if FMT_VERSION < 80000
             width = parse_nonnegative_int(it, end, ctx);
+#else
+            width = detail::parse_nonnegative_int(it, end, -1);
+#endif
           }
           return it;
         }

include/util/sleeper_thread.hpp

@@ -8,6 +8,20 @@
 
 namespace waybar::util {
 
+/**
+ * Defer pthread_cancel until the end of a current scope.
+ *
+ * Required to protect a scope where it's unsafe to raise `__forced_unwind` exception.
+ * An example of these is a call of a method marked as `noexcept`; an attempt to cancel within such
+ * a method may result in a `std::terminate` call.
+ */
+class CancellationGuard {
+  int oldstate;
+public:
+  CancellationGuard() { pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate); }
+  ~CancellationGuard() { pthread_setcancelstate(oldstate, &oldstate); }
+};
+
 class SleeperThread {
  public:
   SleeperThread() = default;
@@ -34,6 +48,7 @@ class SleeperThread {
 
   auto sleep_for(std::chrono::system_clock::duration dur) {
     std::unique_lock  lk(mutex_);
+    CancellationGuard cancel_lock;
     return condvar_.wait_for(lk, dur, [this] { return signal_ || !do_run_; });
   }
 
@@ -41,6 +56,7 @@ class SleeperThread {
       std::chrono::time_point<std::chrono::system_clock, std::chrono::system_clock::duration>
           time_point) {
     std::unique_lock  lk(mutex_);
+    CancellationGuard cancel_lock;
     return condvar_.wait_until(lk, time_point, [this] { return signal_ || !do_run_; });
   }
 

include/util/string.hpp

@@ -0,0 +1,15 @@
+#include <string>
+
+const std::string WHITESPACE = " \n\r\t\f\v";
+
+std::string ltrim(const std::string s) {
+  size_t begin = s.find_first_not_of(WHITESPACE);
+  return (begin == std::string::npos) ? "" : s.substr(begin);
+}
+
+std::string rtrim(const std::string s) {
+  size_t end = s.find_last_not_of(WHITESPACE);
+  return (end == std::string::npos) ? "" : s.substr(0, end + 1);
+}
+
+std::string trim(const std::string& s) { return rtrim(ltrim(s)); }

man/waybar-keyboard-state.5.scd

@@ -0,0 +1,80 @@
+waybar-keyboard-state(5)
+
+# NAME
+
+waybar - keyboard-state module
+
+# DESCRIPTION
+
+The *keyboard-state* module displays the state of number lock, caps lock, and scroll lock.
+
+# CONFIGURATION
+
+*interval*: ++
+	typeof: integer ++
+	default: 1 ++
+	The interval, in seconds, to poll the keyboard state.
+
+*format*: ++
+	typeof: string|object ++
+	default: {name} {icon} ++
+	The format, how information should be displayed. If a string, the same format is used for all keyboard states. If an object, the fields "numlock", "capslock", and "scrolllock" each specify the format for the corresponding state. Any unspecified states use the default format.
+
+*format-icons*: ++
+	typeof: object ++
+	default: {"locked": "locked", "unlocked": "unlocked"} ++
+	Based on the keyboard state, the corresponding icon gets selected. The same set of icons is used for number, caps, and scroll lock, but the icon is selected from the set independently for each. See *icons*.
+
+*numlock*: ++
+	typeof: bool ++
+	default: false ++
+	Display the number lock state.
+
+*capslock*: ++
+	typeof: bool ++
+	default: false ++
+	Display the caps lock state.
+
+*scrolllock*: ++
+	typeof: bool ++
+	default: false ++
+	Display the scroll lock state.
+
+*device-path*: ++
+	typeof: string ++
+	default: chooses first valid input device ++
+	Which libevdev input device to show the state of. Libevdev devices can be found in /dev/input. The device should support number lock, caps lock, and scroll lock events.
+
+# FORMAT REPLACEMENTS
+
+*{name}*: Caps, Num, or Scroll.
+
+*{icon}*: Icon, as defined in *format-icons*.
+
+# ICONS
+
+The following *format-icons* can be set.
+
+- *locked*: Will be shown when the keyboard state is locked. Default "locked".
+- *unlocked*: Will be shown when the keyboard state is not locked. Default "unlocked"
+
+# EXAMPLE:
+
+```
+"keyboard-state": {
+    "numlock": true,
+    "capslock": true,
+    "format": "{name} {icon}",
+    "format-icons": {
+        "locked": "",
+        "unlocked": ""
+    }
+}
+```
+
+# STYLE
+
+- *#keyboard-state*
+- *#keyboard-state label*
+- *#keyboard-state label.locked*
+

man/waybar-mpd.5.scd

@@ -172,6 +172,8 @@ Addressed by *mpd*
 
 *{date}*: The date of the current song
 
+*{volume}*: The current volume in percent
+
 *{elapsedTime}*: The current position of the current song. To format as a date/time (see example configuration)
 
 *{totalTime}*: The length of the current song. To format as a date/time (see example configuration)

man/waybar-pulseaudio.5.scd

@@ -109,6 +109,9 @@ Additionally you can control the volume by scrolling *up* or *down* while the cu
 # ICONS:
 
 The following strings for *format-icons* are supported.
+
+- the device name
+
 If they are found in the current PulseAudio port name, the corresponding icons will be selected.
 
 - *default* (Shown, when no other port is found)
@@ -131,6 +134,7 @@ If they are found in the current PulseAudio port name, the corresponding icons w
 	"format-bluetooth": "{volume}% {icon}",
 	"format-muted": "",
 	"format-icons": {
+		"alsa_output.pci-0000_00_1f.3.analog-stereo": "",
 		"headphones": "",
 		"handsfree": "",
 		"headset": "",

man/waybar-sway-language.5.scd

@@ -15,63 +15,35 @@ Addressed by *sway/language*
 *format*: ++
 	typeof: string ++
 	default: {} ++
-	The format, how information should be displayed. On {} data gets inserted.
+	The format, how layout should be displayed.
 
-*rotate*: ++
+*tooltip-format*: ++
-	typeof: integer ++
-	Positive value to rotate the text label.
-
-*max-length*: ++
-	typeof: integer ++
-	The maximum length in character the module should display.
-
-*min-length*: ++
-    typeof: integer ++
-    The minimum length in characters the module should take up.
-
-*align*: ++
-    typeof: float ++
-    The alignment of the text, where 0 is left-aligned and 1 is right-aligned. If the module is rotated, it will follow the flow of the text.
-
-*on-click*: ++
 	typeof: string ++
-	Command to execute when clicked on the module.
+	default: {} ++
-
+	The format, how layout should be displayed in tooltip.
-*on-click-middle*: ++
-	typeof: string ++
-	Command to execute when middle-clicked on the module using mousewheel.
-
-*on-click-right*: ++
-	typeof: string ++
-	Command to execute when you right clicked on the module.
-
-*on-update*: ++
-	typeof: string ++
-	Command to execute when the module is updated.
-
-*on-scroll-up*: ++
-	typeof: string ++
-	Command to execute when scrolling up on the module.
-
-*on-scroll-down*: ++
-	typeof: string ++
-	Command to execute when scrolling down on the module.
-
-*smooth-scrolling-threshold*: ++
-	typeof: double ++
-	Threshold to be used when scrolling.
 
 *tooltip*: ++
 	typeof: bool ++
 	default: true ++
 	Option to disable tooltip on hover.
 
+# FORMAT REPLACEMENTS
+
+*{short}*: Short name of layout (e.g. "en"). Equals to {}.
+
+*{long}*: Long name of layout (e.g. "English (Dvorak)").
+
+*{variant}*: Variant of layout (e.g. "Dvorak").
+
 # EXAMPLES
 
 ```
 "sway/language": {
     "format": "{}",
-    "max-length": 50
+},
+
+"sway/language": {
+    "format": "{short} {variant}",
 }
 ```
 

man/waybar-sway-window.5.scd

@@ -66,12 +66,32 @@ Addressed by *sway/window*
 	default: true ++
 	Option to disable tooltip on hover.
 
+*rewrite*: ++
+	typeof: object ++
+	Rules to rewrite window title. See *rewrite rules*.
+
+# REWRITE RULES
+
+*rewrite* is an object where keys are regular expressions and values are
+rewrite rules if the expression matches. Rules may contain references to
+captures of the expression.
+
+Regular expression and replacement follow ECMA-script rules.
+
+If no expression matches, the title is left unchanged.
+
+Invalid expressions (e.g., mismatched parentheses) are skipped.
+
 # EXAMPLES
 
 ```
 "sway/window": {
     "format": "{}",
-    "max-length": 50
+    "max-length": 50,
+    "rewrite": {
+      "(.*) - Mozilla Firefox": "🌎 $1",
+      "(.*) - zsh": "> [$1]"
+    }
 }
 ```
 

man/waybar-tray.5.scd

@@ -16,6 +16,15 @@ Addressed by *tray*
     typeof: integer ++
     Defines the size of the tray icons.
 
+*show-passive-items*: ++
+    typeof: bool ++
+    default: false ++
+    Defines visibility of the tray icons with *Passive* status.
+
+*smooth-scrolling-threshold*: ++
+	typeof: double ++
+	Threshold to be used when scrolling.
+
 *spacing*: ++
     typeof: integer ++
     Defines the spacing between the tray icons.
@@ -37,3 +46,6 @@ Addressed by *tray*
 # STYLE
 
 - *#tray*
+- *#tray > .passive*
+- *#tray > .active*
+- *#tray > .needs-attention*

man/waybar-wlr-taskbar.5.scd

@@ -68,6 +68,10 @@ Addressed by *wlr/taskbar*
 	typeof: string ++
 	Command to execute when the module is updated.
 
+*ignore-list*: ++
+	typeof: array ++
+	List of app_id to be invisible.
+
 # FORMAT REPLACEMENTS
 
 *{icon}*: The icon of the application.
@@ -98,7 +102,10 @@ Addressed by *wlr/taskbar*
 	"icon-theme": "Numix-Circle",
 	"tooltip-format": "{title}",
 	"on-click": "activate",
-	"on-click-middle": "close"
+	"on-click-middle": "close",
+	"ignore-list": [
+	    "Alacritty"
+	]
 }
 ```
 

man/waybar.5.scd.in

@@ -68,12 +68,28 @@ Also a minimal example configuration can be found on the at the bottom of this m
 	typeof: string ++
 	Optional name added as a CSS class, for styling multiple waybars.
 
+*exclusive* ++
+	typeof: bool ++
+	default: *true* unless the layer is set to *overlay* ++
+	Option to request an exclusive zone from the compositor. Disable this to allow drawing application windows underneath or on top of the bar.
+
+*passthrough* ++
+	typeof: bool ++
+	default: *false* unless the layer is set to *overlay* ++
+	Option to pass any pointer events to the window under the bar.
+	Intended to be used with either *top* or *overlay* layers and without exclusive zone.
+
 *gtk-layer-shell* ++
 	typeof: bool ++
 	default: true ++
 	Option to disable the use of gtk-layer-shell for popups.
 	Only functional if compiled with gtk-layer-shell support.
 
+*include* ++
+	typeof: string|array ++
+	Paths to additional configuration files. In case of duplicate options, the including file's value takes precedence. Make sure to avoid circular imports.
+	For a multi-bar config, specify at least an empty object for each bar also in every file being included.
+
 # MODULE FORMAT
 
 You can use PangoMarkupFormat (See https://developer.gnome.org/pango/stable/PangoMarkupFormat.html#PangoMarkupFormat).
@@ -192,6 +208,7 @@ Valid options for the "rotate" property are: 0, 90, 180 and 270.
 - *waybar-custom(5)*
 - *waybar-disk(5)*
 - *waybar-idle-inhibitor(5)*
+- *waybar-keyboard-state(5)*
 - *waybar-memory(5)*
 - *waybar-mpd(5)*
 - *waybar-network(5)*

meson.build

@@ -1,6 +1,6 @@
 project(
     'waybar', 'cpp', 'c',
-    version: '0.9.6',
+    version: '0.9.8',
     license: 'MIT',
     meson_version: '>= 0.49.0',
     default_options : [
@@ -80,7 +80,7 @@ is_openbsd = host_machine.system() == 'openbsd'
 
 thread_dep = dependency('threads')
 fmt = dependency('fmt', version : ['>=5.3.0'], fallback : ['fmt', 'fmt_dep'])
-spdlog = dependency('spdlog', version : ['>=1.8.0'], fallback : ['spdlog', 'spdlog_dep'], default_options : ['external_fmt=true'])
+spdlog = dependency('spdlog', version : ['>=1.8.5'], fallback : ['spdlog', 'spdlog_dep'], default_options : ['external_fmt=true'])
 wayland_client = dependency('wayland-client')
 wayland_cursor = dependency('wayland-cursor')
 wayland_protos = dependency('wayland-protocols')
@@ -94,7 +94,9 @@ libnl = dependency('libnl-3.0', required: get_option('libnl'))
 libnlgen = dependency('libnl-genl-3.0', required: get_option('libnl'))
 libpulse = dependency('libpulse', required: get_option('pulseaudio'))
 libudev = dependency('libudev', required: get_option('libudev'))
+libevdev = dependency('libevdev', required: get_option('libevdev'))
 libmpdclient = dependency('libmpdclient', required: get_option('mpd'))
+xkbregistry = dependency('xkbregistry')
 
 libsndio = compiler.find_library('sndio', required: get_option('sndio'))
 if libsndio.found()
@@ -215,6 +217,11 @@ if libudev.found() and (is_linux or libepoll.found())
     src_files += 'src/modules/backlight.cpp'
 endif
 
+if libevdev.found() and (is_linux or libepoll.found())
+    add_project_arguments('-DHAVE_LIBEVDEV', language: 'cpp')
+    src_files += 'src/modules/keyboard_state.cpp'
+endif
+
 if libmpdclient.found()
     add_project_arguments('-DHAVE_LIBMPDCLIENT', language: 'cpp')
     src_files += 'src/modules/mpd/mpd.cpp'
@@ -270,9 +277,11 @@ executable(
         libudev,
         libepoll,
         libmpdclient,
+        libevdev,
         gtk_layer_shell,
         libsndio,
-        tz_dep
+        tz_dep,
+				xkbregistry 
     ],
     include_directories: [include_directories('include')],
     install: true,
@@ -310,6 +319,7 @@ if scdoc.found()
         'waybar-custom.5.scd',
         'waybar-disk.5.scd',
         'waybar-idle-inhibitor.5.scd',
+        'waybar-keyboard-state.5.scd',
         'waybar-memory.5.scd',
         'waybar-mpd.5.scd',
         'waybar-network.5.scd',

meson_options.txt

@@ -1,6 +1,7 @@
 option('libcxx', type : 'boolean', value : false, description : 'Build with Clang\'s libc++ instead of libstdc++ on Linux.')
 option('libnl', type: 'feature', value: 'auto', description: 'Enable libnl support for network related features')
 option('libudev', type: 'feature', value: 'auto', description: 'Enable libudev support for udev related features')
+option('libevdev', type: 'feature', value: 'auto', description: 'Enable libevdev support for evdev related features')
 option('pulseaudio', type: 'feature', value: 'auto', description: 'Enable support for pulseaudio')
 option('systemd', type: 'feature', value: 'auto', description: 'Install systemd user service unit')
 option('dbusmenu-gtk', type: 'feature', value: 'auto', description: 'Enable support for tray')

resources/config

@@ -6,7 +6,7 @@
     // Choose the order of the modules
     "modules-left": ["sway/workspaces", "sway/mode", "custom/media"],
     "modules-center": ["sway/window"],
-    "modules-right": ["mpd", "idle_inhibitor", "pulseaudio", "network", "cpu", "memory", "temperature", "backlight", "sway/language", "battery", "battery#bat2", "clock", "tray"],
+    "modules-right": ["mpd", "idle_inhibitor", "pulseaudio", "network", "cpu", "memory", "temperature", "backlight", "keyboard-state", "sway/language", "battery", "battery#bat2", "clock", "tray"],
     // Modules configuration
     // "sway/workspaces": {
     //     "disable-scroll": true,
@@ -23,11 +23,20 @@
     //         "default": ""
     //     }
     // },
+    "keyboard-state": {
+        "numlock": true,
+        "capslock": true,
+        "format": "{name} {icon}",
+        "format-icons": {
+            "locked": "",
+            "unlocked": ""
+        }
+    },
     "sway/mode": {
         "format": "<span style=\"italic\">{}</span>"
     },
     "mpd": {
-        "format": "{stateIcon} {consumeIcon}{randomIcon}{repeatIcon}{singleIcon}{artist} - {album} - {title} ({elapsedTime:%M:%S}/{totalTime:%M:%S}) ⸨{songPosition}|{queueLength}⸩ ",
+        "format": "{stateIcon} {consumeIcon}{randomIcon}{repeatIcon}{singleIcon}{artist} - {album} - {title} ({elapsedTime:%M:%S}/{totalTime:%M:%S}) ⸨{songPosition}|{queueLength}⸩ {volume}% ",
         "format-disconnected": "Disconnected ",
         "format-stopped": "{consumeIcon}{randomIcon}{repeatIcon}{singleIcon}Stopped ",
         "unknown-tag": "N/A",
@@ -145,3 +154,4 @@
         // "exec": "$HOME/.config/waybar/mediaplayer.py --player spotify 2> /dev/null" // Filter player based on name
     }
 }
+

resources/style.css

@@ -195,6 +195,15 @@ label:focus {
     background-color: #2980b9;
 }
 
+#tray > .passive {
+    -gtk-icon-effect: dim;
+}
+
+#tray > .needs-attention {
+    -gtk-icon-effect: highlight;
+    background-color: #eb4d4b;
+}
+
 #idle_inhibitor {
     background-color: #2d3436;
 }
@@ -228,3 +237,19 @@ label:focus {
     margin: 0 5px;
     min-width: 16px;
 }
+
+#keyboard-state {
+    background: #97e1ad;
+    color: #000000;
+    padding: 0 0px;
+    margin: 0 5px;
+    min-width: 16px;
+}
+
+#keyboard-state > label {
+    padding: 0 5px;
+}
+
+#keyboard-state > label.locked {
+    background: rgba(0, 0, 0, 0.2);
+}

resources/waybar.service.in

@@ -3,6 +3,7 @@ Description=Highly customizable Wayland bar for Sway and Wlroots based composito
 Documentation=https://github.com/Alexays/Waybar/wiki/
 PartOf=graphical-session.target
 After=graphical-session.target
+Requisite=graphical-session.target
 
 [Service]
 ExecStart=@prefix@/bin/waybar

src/ALabel.cpp

@@ -76,7 +76,7 @@ std::string ALabel::getIcon(uint16_t percentage, const std::string& alt, uint16_
   return "";
 }
 
-std::string ALabel::getIcon(uint16_t percentage, std::vector<std::string>& alts, uint16_t max) {
+std::string ALabel::getIcon(uint16_t percentage, const std::vector<std::string>& alts, uint16_t max) {
   auto format_icons = config_["format-icons"];
   if (format_icons.isObject()) {
     std::string _alt = "default";

src/bar.cpp

@@ -33,6 +33,7 @@ struct GLSSurfaceImpl : public BarSurface, public sigc::trackable {
     gtk_layer_set_monitor(window_.gobj(), output.monitor->gobj());
     gtk_layer_set_namespace(window_.gobj(), "waybar");
 
+    window.signal_map_event().connect_notify(sigc::mem_fun(*this, &GLSSurfaceImpl::onMap));
     window.signal_configure_event().connect_notify(
         sigc::mem_fun(*this, &GLSSurfaceImpl::onConfigure));
   }
@@ -62,6 +63,18 @@ struct GLSSurfaceImpl : public BarSurface, public sigc::trackable {
     gtk_layer_set_layer(window_.gobj(), layer);
   }
 
+  void setPassThrough(bool enable) override {
+    passthrough_ = enable;
+    auto gdk_window = window_.get_window();
+    if (gdk_window) {
+      Cairo::RefPtr<Cairo::Region> region;
+      if (enable) {
+        region = Cairo::Region::create();
+      }
+      gdk_window->input_shape_combine_region(region, 0, 0);
+    }
+  }
+
   void setPosition(const std::string_view& position) override {
     auto unanchored = GTK_LAYER_SHELL_EDGE_BOTTOM;
     vertical_ = false;
@@ -93,8 +106,11 @@ struct GLSSurfaceImpl : public BarSurface, public sigc::trackable {
   std::string  output_name_;
   uint32_t     width_;
   uint32_t     height_;
+  bool         passthrough_ = false;
   bool         vertical_ = false;
 
+  void onMap(GdkEventAny* ev) { setPassThrough(passthrough_); }
+
   void onConfigure(GdkEventConfigure* ev) {
     /*
      * GTK wants new size for the window.
@@ -182,6 +198,20 @@ struct RawSurfaceImpl : public BarSurface, public sigc::trackable {
     }
   }
 
+  void setPassThrough(bool enable) override {
+    passthrough_ = enable;
+    /* GTK overwrites any region changes applied directly to the wl_surface,
+     * thus the same GTK region API as in the GLS impl has to be used. */
+    auto gdk_window = window_.get_window();
+    if (gdk_window) {
+      Cairo::RefPtr<Cairo::Region> region;
+      if (enable) {
+        region = Cairo::Region::create();
+      }
+      gdk_window->input_shape_combine_region(region, 0, 0);
+    }
+  }
+
   void setPosition(const std::string_view& position) override {
     anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
     if (position == "bottom") {
@@ -230,6 +260,7 @@ struct RawSurfaceImpl : public BarSurface, public sigc::trackable {
   uint32_t           height_ = 0;
   uint8_t            anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
   bool               exclusive_zone_ = true;
+  bool               passthrough_ = false;
   struct bar_margins margins_;
 
   zwlr_layer_shell_v1_layer layer_ = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
@@ -262,6 +293,7 @@ struct RawSurfaceImpl : public BarSurface, public sigc::trackable {
 
     setSurfaceSize(width_, height_);
     setExclusiveZone(exclusive_zone_);
+    setPassThrough(passthrough_);
 
     commit();
     wl_display_roundtrip(client->wl_display);
@@ -377,6 +409,21 @@ waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
     layer_ = bar_layer::OVERLAY;
   }
 
+  if (config["exclusive"].isBool()) {
+    exclusive = config["exclusive"].asBool();
+  } else if (layer_ == bar_layer::OVERLAY) {
+    // swaybar defaults: overlay mode does not reserve an exclusive zone
+    exclusive = false;
+  }
+
+  bool passthrough = false;
+  if (config["passthrough"].isBool()) {
+    passthrough = config["passthrough"].asBool();
+  } else if (layer_ == bar_layer::OVERLAY) {
+    // swaybar defaults: overlay mode does not accept pointer events.
+    passthrough = true;
+  }
+
   auto position = config["position"].asString();
 
   if (position == "right" || position == "left") {
@@ -452,8 +499,9 @@ waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
   }
 
   surface_impl_->setLayer(layer_);
-  surface_impl_->setExclusiveZone(true);
+  surface_impl_->setExclusiveZone(exclusive);
   surface_impl_->setMargins(margins_);
+  surface_impl_->setPassThrough(passthrough);
   surface_impl_->setPosition(position);
   surface_impl_->setSize(width, height);
 
@@ -492,7 +540,7 @@ void waybar::Bar::setVisible(bool value) {
     window.set_opacity(1);
     surface_impl_->setLayer(layer_);
   }
-  surface_impl_->setExclusiveZone(visible);
+  surface_impl_->setExclusiveZone(exclusive && visible);
   surface_impl_->commit();
 }
 

src/client.cpp

@@ -207,9 +207,13 @@ std::tuple<const std::string, const std::string> waybar::Client::getConfigs(
     const std::string &config, const std::string &style) const {
   auto config_file = config.empty() ? getValidPath({
                                           "$XDG_CONFIG_HOME/waybar/config",
+                                          "$XDG_CONFIG_HOME/waybar/config.jsonc",
                                           "$HOME/.config/waybar/config",
+                                          "$HOME/.config/waybar/config.jsonc",
                                           "$HOME/waybar/config",
+                                          "$HOME/waybar/config.jsonc",
                                           "/etc/xdg/waybar/config",
+                                          "/etc/xdg/waybar/config.jsonc",
                                           SYSCONFDIR "/xdg/waybar/config",
                                           "./resources/config",
                                       })
@@ -230,14 +234,62 @@ std::tuple<const std::string, const std::string> waybar::Client::getConfigs(
   return {config_file, css_file};
 }
 
-auto waybar::Client::setupConfig(const std::string &config_file) -> void {
+auto waybar::Client::setupConfig(const std::string &config_file, int depth) -> void {
+  if (depth > 100) {
+    throw std::runtime_error("Aborting due to likely recursive include in config files");
+  }
   std::ifstream file(config_file);
   if (!file.is_open()) {
     throw std::runtime_error("Can't open config file");
   }
   std::string      str((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
   util::JsonParser parser;
-  config_ = parser.parse(str);
+  Json::Value      tmp_config_ = parser.parse(str);
+  if (tmp_config_.isArray()) {
+    for (auto &config_part : tmp_config_) {
+      resolveConfigIncludes(config_part, depth);
+    }
+  } else {
+    resolveConfigIncludes(tmp_config_, depth);
+  }
+  mergeConfig(config_, tmp_config_);
+}
+
+auto waybar::Client::resolveConfigIncludes(Json::Value &config, int depth) -> void {
+  Json::Value includes = config["include"];
+  if (includes.isArray()) {
+    for (const auto &include : includes) {
+      spdlog::info("Including resource file: {}", include.asString());
+      setupConfig(getValidPath({include.asString()}), ++depth);
+    }
+  } else if (includes.isString()) {
+    spdlog::info("Including resource file: {}", includes.asString());
+    setupConfig(getValidPath({includes.asString()}), ++depth);
+  }
+}
+
+auto waybar::Client::mergeConfig(Json::Value &a_config_, Json::Value &b_config_) -> void {
+  if (!a_config_) {
+    // For the first config
+    a_config_ = b_config_;
+  } else if (a_config_.isObject() && b_config_.isObject()) {
+    for (const auto &key : b_config_.getMemberNames()) {
+      if (a_config_[key].isObject() && b_config_[key].isObject()) {
+        mergeConfig(a_config_[key], b_config_[key]);
+      } else {
+        a_config_[key] = b_config_[key];
+      }
+    }
+  } else if (a_config_.isArray() && b_config_.isArray()) {
+    // This can happen only on the top-level array of a multi-bar config
+    for (Json::Value::ArrayIndex i = 0; i < b_config_.size(); i++) {
+      if (a_config_[i].isObject() && b_config_[i].isObject()) {
+        mergeConfig(a_config_[i], b_config_[i]);
+      }
+    }
+  } else {
+    spdlog::error("Cannot merge config, conflicting or invalid JSON types");
+  }
 }
 
 auto waybar::Client::setupCss(const std::string &css_file) -> void {
@@ -316,7 +368,7 @@ int waybar::Client::main(int argc, char *argv[]) {
   }
   wl_display = gdk_wayland_display_get_wl_display(gdk_display->gobj());
   auto [config_file, css_file] = getConfigs(config, style);
-  setupConfig(config_file);
+  setupConfig(config_file, 0);
   setupCss(css_file);
   bindInterfaces();
   gtk_app->hold();

src/factory.cpp

@@ -70,6 +70,11 @@ waybar::AModule* waybar::Factory::makeModule(const std::string& name) const {
       return new waybar::modules::Backlight(id, config_[name]);
     }
 #endif
+#ifdef HAVE_LIBEVDEV
+    if (ref == "keyboard-state") {
+      return new waybar::modules::KeyboardState(id, bar_, config_[name]);
+    }
+#endif
 #ifdef HAVE_LIBPULSE
     if (ref == "pulseaudio") {
       return new waybar::modules::Pulseaudio(id, config_[name]);

src/modules/battery.cpp

@@ -162,14 +162,37 @@ const std::tuple<uint8_t, float, std::string, float> waybar::modules::Battery::g
       uint32_t    energy_full_design;
       std::string _status;
       std::ifstream(bat / "status") >> _status;
-      auto rate_path = fs::exists(bat / "current_now") ? "current_now" : "power_now";
+
-      std::ifstream(bat / rate_path) >> power_now;
+      // Some battery will report current and charge in μA/μAh.
-      auto now_path = fs::exists(bat / "charge_now") ? "charge_now" : "energy_now";
+      // Scale these by the voltage to get μW/μWh.
-      std::ifstream(bat / now_path) >> energy_now;
+      if (fs::exists(bat / "current_now")) {
-      auto full_path = fs::exists(bat / "charge_full") ? "charge_full" : "energy_full";
+        uint32_t voltage_now;
-      std::ifstream(bat / full_path) >> energy_full;
+        uint32_t current_now;
-      auto full_design_path = fs::exists(bat / "charge_full_design") ? "charge_full_design" : "energy_full_design";
+        uint32_t charge_now;
-      std::ifstream(bat / full_design_path) >> energy_full_design;
+        uint32_t charge_full;
+        uint32_t charge_full_design;
+        std::ifstream(bat / "voltage_now") >> voltage_now;
+        std::ifstream(bat / "current_now") >> current_now;
+        std::ifstream(bat / "charge_full") >> charge_full;
+        std::ifstream(bat / "charge_full_design") >> charge_full_design;
+        if (fs::exists(bat / "charge_now"))
+          std::ifstream(bat / "charge_now") >> charge_now;
+        else {
+          // charge_now is missing on some systems, estimate using capacity.
+          uint32_t capacity;
+          std::ifstream(bat / "capacity") >> capacity;
+          charge_now = (capacity * charge_full) / 100;
+        }
+        power_now = ((uint64_t)current_now * (uint64_t)voltage_now) / 1000000;
+        energy_now = ((uint64_t)charge_now * (uint64_t)voltage_now) / 1000000;
+        energy_full = ((uint64_t)charge_full * (uint64_t)voltage_now) / 1000000;
+        energy_full_design = ((uint64_t)charge_full_design * (uint64_t)voltage_now) / 1000000;
+      } else {
+        std::ifstream(bat / "power_now") >> power_now;
+        std::ifstream(bat / "energy_now") >> energy_now;
+        std::ifstream(bat / "energy_full") >> energy_full;
+        std::ifstream(bat / "energy_full_design") >> energy_full_design;
+      }
 
       // Show the "smallest" status among all batteries
       if (status_gt(status, _status)) {
@@ -216,7 +239,7 @@ const std::tuple<uint8_t, float, std::string, float> waybar::modules::Battery::g
       capacity = 100.f;
     }
     uint8_t cap = round(capacity);
-    if (cap == 100) {
+    if (cap == 100 && status == "Charging") {
       // If we've reached 100% just mark as full as some batteries can stay
       // stuck reporting they're still charging but not yet done
       status = "Full";

src/modules/bluetooth.cpp

@@ -16,7 +16,7 @@ auto waybar::modules::Bluetooth::update() -> void {
   if (tooltipEnabled()) {
     if (config_["tooltip-format"].isString()) {
       auto tooltip_format = config_["tooltip-format"].asString();
-      auto tooltip_text = fmt::format(tooltip_format, status);
+      auto tooltip_text = fmt::format(tooltip_format, status, fmt::arg("status", status));
       label_.set_tooltip_text(tooltip_text);
     } else {
       label_.set_tooltip_text(status);

src/modules/clock.cpp

@@ -196,6 +196,9 @@ template <>
 struct fmt::formatter<waybar_time> : fmt::formatter<std::tm> {
   template <typename FormatContext>
   auto format(const waybar_time& t, FormatContext& ctx) {
+#if FMT_VERSION >= 80000
+	auto& tm_format = specs;
+#endif
     return format_to(ctx.out(), "{}", date::format(t.locale, fmt::to_string(tm_format), t.ztime));
   }
 };

src/modules/cpu/linux.cpp

@@ -1,3 +1,4 @@
+#include <filesystem>
 #include "modules/cpu.hpp"
 
 std::vector<std::tuple<size_t, size_t>> waybar::modules::Cpu::parseCpuinfo() {
@@ -46,5 +47,31 @@ std::vector<float> waybar::modules::Cpu::parseCpuFrequencies() {
     frequencies.push_back(frequency);
   }
   info.close();
+
+  if (frequencies.size() <= 0) {
+    std::string cpufreq_dir = "/sys/devices/system/cpu/cpufreq";
+    if (std::filesystem::exists(cpufreq_dir)) {
+      std::vector<std::string> frequency_files = {
+        "/cpuinfo_min_freq",
+        "/cpuinfo_max_freq"
+      };
+      for (auto& p: std::filesystem::directory_iterator(cpufreq_dir)) {
+        for (auto freq_file: frequency_files) {
+          std::string freq_file_path = p.path().string() + freq_file;
+          if (std::filesystem::exists(freq_file_path)) {
+            std::string freq_value;
+            std::ifstream freq(freq_file_path);
+            if (freq.is_open()) {
+              getline(freq, freq_value);
+              float frequency = std::strtol(freq_value.c_str(), nullptr, 10);
+              frequencies.push_back(frequency / 1000);
+              freq.close();
+            }
+          }
+        }
+      }
+    }
+  }
+
   return frequencies;
 }

src/modules/keyboard_state.cpp

@@ -0,0 +1,152 @@
+#include "modules/keyboard_state.hpp"
+#include <filesystem>
+#include <spdlog/spdlog.h>
+
+extern "C" {
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+}
+
+waybar::modules::KeyboardState::KeyboardState(const std::string& id, const Bar& bar, const Json::Value& config)
+    : AModule(config, "keyboard-state", id, false, !config["disable-scroll"].asBool()),
+      box_(bar.vertical ? Gtk::ORIENTATION_VERTICAL : Gtk::ORIENTATION_HORIZONTAL, 0),
+      numlock_label_(""),
+      capslock_label_(""),
+      numlock_format_(config_["format"].isString() ? config_["format"].asString()
+                      : config_["format"]["numlock"].isString() ? config_["format"]["numlock"].asString()
+                      : "{name} {icon}"),
+      capslock_format_(config_["format"].isString() ? config_["format"].asString()
+                       : config_["format"]["capslock"].isString() ? config_["format"]["capslock"].asString()
+                       : "{name} {icon}"),
+      scrolllock_format_(config_["format"].isString() ? config_["format"].asString()
+                         : config_["format"]["scrolllock"].isString() ? config_["format"]["scrolllock"].asString()
+                         : "{name} {icon}"),
+      interval_(std::chrono::seconds(config_["interval"].isUInt() ? config_["interval"].asUInt() : 1)),
+      icon_locked_(config_["format-icons"]["locked"].isString()
+                   ? config_["format-icons"]["locked"].asString()
+                   : "locked"),
+      icon_unlocked_(config_["format-icons"]["unlocked"].isString()
+                     ? config_["format-icons"]["unlocked"].asString()
+                     : "unlocked"),
+      fd_(0),
+      dev_(nullptr) {
+  box_.set_name("keyboard-state");
+  if (config_["numlock"].asBool()) {
+    box_.pack_end(numlock_label_, false, false, 0);
+  }
+  if (config_["capslock"].asBool()) {
+    box_.pack_end(capslock_label_, false, false, 0);
+  }
+  if (config_["scrolllock"].asBool()) {
+    box_.pack_end(scrolllock_label_, false, false, 0);
+  }
+  if (!id.empty()) {
+    box_.get_style_context()->add_class(id);
+  }
+  event_box_.add(box_);
+
+  if (config_["device-path"].isString()) {
+    std::string dev_path = config_["device-path"].asString();
+    std::tie(fd_, dev_) = openDevice(dev_path);
+  } else {
+    DIR* dev_dir = opendir("/dev/input");
+    if (dev_dir == nullptr) {
+      throw std::runtime_error("Failed to open /dev/input");
+    }
+    dirent *ep;
+    while ((ep = readdir(dev_dir))) {
+      if (ep->d_type != DT_CHR) continue;
+      std::string dev_path = std::string("/dev/input/") + ep->d_name;
+      try {
+        std::tie(fd_, dev_) = openDevice(dev_path);
+        spdlog::info("Found device {} at '{}'", libevdev_get_name(dev_),  dev_path);
+        break;
+      } catch (const std::runtime_error& e) {
+        continue;
+      }
+    }
+    if (dev_ == nullptr) {
+      throw std::runtime_error("Failed to find keyboard device");
+    }
+  }
+
+  thread_ = [this] {
+    dp.emit();
+    thread_.sleep_for(interval_);
+  };
+}
+
+waybar::modules::KeyboardState::~KeyboardState() {
+  libevdev_free(dev_);
+  int err = close(fd_);
+  if (err < 0) {
+    // Not much we can do, so ignore it.
+  }
+}
+
+auto waybar::modules::KeyboardState::openDevice(const std::string& path) -> std::pair<int, libevdev*> {
+    int fd = open(path.c_str(), O_NONBLOCK | O_CLOEXEC | O_RDONLY);
+    if (fd < 0) {
+      throw std::runtime_error("Can't open " + path);
+    }
+
+    libevdev* dev;
+    int err = libevdev_new_from_fd(fd, &dev);
+    if (err < 0) {
+      throw std::runtime_error("Can't create libevdev device");
+    }
+    if (!libevdev_has_event_type(dev, EV_LED)) {
+      throw std::runtime_error("Device doesn't support LED events");
+    }
+    if (!libevdev_has_event_code(dev, EV_LED, LED_NUML)
+        || !libevdev_has_event_code(dev, EV_LED, LED_CAPSL)
+        || !libevdev_has_event_code(dev, EV_LED, LED_SCROLLL)) {
+      throw std::runtime_error("Device doesn't support num lock, caps lock, or scroll lock events");
+    }
+
+    return std::make_pair(fd, dev);
+}
+
+auto waybar::modules::KeyboardState::update() -> void {
+  int err = LIBEVDEV_READ_STATUS_SUCCESS;
+  while (err == LIBEVDEV_READ_STATUS_SUCCESS) {
+    input_event ev;
+    err = libevdev_next_event(dev_, LIBEVDEV_READ_FLAG_NORMAL, &ev);
+    while (err == LIBEVDEV_READ_STATUS_SYNC) {
+      err = libevdev_next_event(dev_, LIBEVDEV_READ_FLAG_SYNC, &ev);
+    }
+  }
+  if (err != -EAGAIN) {
+    throw std::runtime_error("Failed to sync evdev device");
+  }
+
+  int numl = libevdev_get_event_value(dev_, EV_LED, LED_NUML);
+  int capsl = libevdev_get_event_value(dev_, EV_LED, LED_CAPSL);
+  int scrolll = libevdev_get_event_value(dev_, EV_LED, LED_SCROLLL);
+
+  struct {
+    bool state;
+    Gtk::Label& label;
+    const std::string& format;
+    const char* name;
+  } label_states[] = {
+    {(bool) numl, numlock_label_, numlock_format_, "Num"},
+    {(bool) capsl, capslock_label_, capslock_format_, "Caps"},
+    {(bool) scrolll, scrolllock_label_, scrolllock_format_, "Scroll"},
+  };
+  for (auto& label_state : label_states) {
+    std::string text;
+    text = fmt::format(label_state.format,
+                       fmt::arg("icon", label_state.state ? icon_locked_ : icon_unlocked_),
+                       fmt::arg("name", label_state.name));
+    label_state.label.set_markup(text);
+    if (label_state.state) {
+      label_state.label.get_style_context()->add_class("locked");
+    } else {
+      label_state.label.get_style_context()->remove_class("locked");
+    }
+  }
+
+  AModule::update();
+}

src/modules/mpd/mpd.cpp

@@ -100,7 +100,7 @@ void waybar::modules::MPD::setLabel() {
   auto format = format_;
   Glib::ustring        artist, album_artist, album, title;
   std::string          date;
-  int                  song_pos = 0, queue_length = 0;
+  int                  song_pos = 0, queue_length = 0, volume = 0;
   std::chrono::seconds elapsedTime, totalTime;
 
   std::string stateIcon = "";
@@ -130,6 +130,7 @@ void waybar::modules::MPD::setLabel() {
     title = getTag(MPD_TAG_TITLE);
     date = getTag(MPD_TAG_DATE);
     song_pos = mpd_status_get_song_pos(status_.get());
+    volume = mpd_status_get_volume(status_.get());
     queue_length = mpd_status_get_queue_length(status_.get());
     elapsedTime = std::chrono::seconds(mpd_status_get_elapsed_time(status_.get()));
     totalTime = std::chrono::seconds(mpd_status_get_total_time(status_.get()));
@@ -156,6 +157,7 @@ void waybar::modules::MPD::setLabel() {
                     fmt::arg("album", Glib::Markup::escape_text(album).raw()),
                     fmt::arg("title", Glib::Markup::escape_text(title).raw()),
                     fmt::arg("date", Glib::Markup::escape_text(date).raw()),
+                    fmt::arg("volume", volume),
                     fmt::arg("elapsedTime", elapsedTime),
                     fmt::arg("totalTime", totalTime),
                     fmt::arg("songPosition", song_pos),
@@ -180,6 +182,7 @@ void waybar::modules::MPD::setLabel() {
                                       fmt::arg("album", album.raw()),
                                       fmt::arg("title", title.raw()),
                                       fmt::arg("date", date),
+                                      fmt::arg("volume", volume),
                                       fmt::arg("elapsedTime", elapsedTime),
                                       fmt::arg("totalTime", totalTime),
                                       fmt::arg("songPosition", song_pos),

src/modules/network.cpp

@@ -1,6 +1,7 @@
 #include "modules/network.hpp"
 #include <spdlog/spdlog.h>
 #include <sys/eventfd.h>
+#include <linux/if.h>
 #include <fstream>
 #include <cassert>
 #include <optional>
@@ -18,6 +19,7 @@ constexpr const char *NETSTAT_FILE =
 constexpr std::string_view BANDWIDTH_CATEGORY = "IpExt";
 constexpr std::string_view BANDWIDTH_DOWN_TOTAL_KEY = "InOctets";
 constexpr std::string_view BANDWIDTH_UP_TOTAL_KEY = "OutOctets";
+constexpr const char *DEFAULT_FORMAT = "{ifname}";
 
 std::ifstream                     netstat(NETSTAT_FILE);
 std::optional<unsigned long long> read_netstat(std::string_view category, std::string_view key) {
@@ -81,18 +83,29 @@ std::optional<unsigned long long> read_netstat(std::string_view category, std::s
 }  // namespace
 
 waybar::modules::Network::Network(const std::string &id, const Json::Value &config)
-    : ALabel(config, "network", id, "{ifname}", 60),
+    : ALabel(config, "network", id, DEFAULT_FORMAT, 60),
       ifid_(-1),
       family_(config["family"] == "ipv6" ? AF_INET6 : AF_INET),
       efd_(-1),
       ev_fd_(-1),
-      cidr_(-1),
+      want_route_dump_(false),
+      want_link_dump_(false),
+      want_addr_dump_(false),
+      dump_in_progress_(false),
+      cidr_(0),
       signal_strength_dbm_(0),
       signal_strength_(0),
 #ifdef WANT_RFKILL
       rfkill_{RFKILL_TYPE_WLAN},
 #endif
       frequency_(0) {
+
+  // Start with some "text" in the module's label_, update() will then
+  // update it. Since the text should be different, update() will be able
+  // to show or hide the event_box_. This is to work around the case where
+  // the module start with no text, but the the event_box_ is shown.
+  label_.set_markup("<s></s>");
+
   auto down_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_DOWN_TOTAL_KEY);
   auto up_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_UP_TOTAL_KEY);
   if (down_octets) {
@@ -107,17 +120,25 @@ waybar::modules::Network::Network(const std::string &id, const Json::Value &conf
     bandwidth_up_total_ = 0;
   }
 
+  if (!config_["interface"].isString()) {
+    // "interface" isn't configure, then try to guess the external
+    // interface currently used for internet.
+    want_route_dump_ = true;
+  } else {
+    // Look for an interface that match "interface"
+    // and then find the address associated with it.
+    want_link_dump_ = true;
+    want_addr_dump_ = true;
+  }
+
   createEventSocket();
   createInfoSocket();
-  auto default_iface = getPreferredIface(-1, false);
+
-  if (default_iface != -1) {
-    ifid_ = default_iface;
-    char ifname[IF_NAMESIZE];
-    if_indextoname(default_iface, ifname);
-    ifname_ = ifname;
-    getInterfaceAddress();
-  }
   dp.emit();
+  // Ask for a dump of interfaces and then addresses to populate our
+  // information. First the interface dump, and once done, the callback
+  // will be called again which will ask for addresses dump.
+  askForStateDump();
   worker();
 }
 
@@ -148,17 +169,29 @@ void waybar::modules::Network::createEventSocket() {
   ev_sock_ = nl_socket_alloc();
   nl_socket_disable_seq_check(ev_sock_);
   nl_socket_modify_cb(ev_sock_, NL_CB_VALID, NL_CB_CUSTOM, handleEvents, this);
+  nl_socket_modify_cb(ev_sock_, NL_CB_FINISH, NL_CB_CUSTOM, handleEventsDone, this);
   auto groups = RTMGRP_LINK | (family_ == AF_INET ? RTMGRP_IPV4_IFADDR : RTMGRP_IPV6_IFADDR);
   nl_join_groups(ev_sock_, groups);  // Deprecated
   if (nl_connect(ev_sock_, NETLINK_ROUTE) != 0) {
     throw std::runtime_error("Can't connect network socket");
   }
+  if (nl_socket_set_nonblocking(ev_sock_)) {
+    throw std::runtime_error("Can't set non-blocking on network socket");
+  }
   nl_socket_add_membership(ev_sock_, RTNLGRP_LINK);
   if (family_ == AF_INET) {
     nl_socket_add_membership(ev_sock_, RTNLGRP_IPV4_IFADDR);
   } else {
     nl_socket_add_membership(ev_sock_, RTNLGRP_IPV6_IFADDR);
   }
+  if (!config_["interface"].isString()) {
+    if (family_ == AF_INET) {
+      nl_socket_add_membership(ev_sock_, RTNLGRP_IPV4_ROUTE);
+    } else {
+      nl_socket_add_membership(ev_sock_, RTNLGRP_IPV6_ROUTE);
+    }
+  }
+
   efd_ = epoll_create1(EPOLL_CLOEXEC);
   if (efd_ < 0) {
     throw std::runtime_error("Can't create epoll");
@@ -228,7 +261,23 @@ void waybar::modules::Network::worker() {
     int ec = epoll_wait(efd_, events.data(), EPOLL_MAX, -1);
     if (ec > 0) {
       for (auto i = 0; i < ec; i++) {
-        if (events[i].data.fd != nl_socket_get_fd(ev_sock_) || nl_recvmsgs_default(ev_sock_) < 0) {
+        if (events[i].data.fd == nl_socket_get_fd(ev_sock_)) {
+          int rc = 0;
+          // Read as many message as possible, until the socket blocks
+          while (true) {
+            errno = 0;
+            rc = nl_recvmsgs_default(ev_sock_);
+            if (rc == -NLE_AGAIN || errno == EAGAIN) {
+              rc = 0;
+              break;
+            }
+          }
+          if (rc < 0) {
+            spdlog::error("nl_recvmsgs_default error: {}", nl_geterror(-rc));
+            thread_.stop();
+            break;
+          }
+        } else {
           thread_.stop();
           break;
         }
@@ -245,6 +294,7 @@ const std::string waybar::modules::Network::getNetworkState() const {
 #endif
     return "disconnected";
   }
+  if (!carrier_) return "disconnected";
   if (ipaddr_.empty()) return "linked";
   if (essid_.empty()) return "ethernet";
   return "wifi";
@@ -274,6 +324,10 @@ auto waybar::modules::Network::update() -> void {
     }
     if (config_["format-" + state].isString()) {
       default_format_ = config_["format-" + state].asString();
+    } else if (config_["format"].isString()) {
+      default_format_ = config_["format"].asString();
+    } else {
+      default_format_ = DEFAULT_FORMAT;
     }
     if (config_["tooltip-format-" + state].isString()) {
       tooltip_format = config_["tooltip-format-" + state].asString();
@@ -342,76 +396,213 @@ auto waybar::modules::Network::update() -> void {
   ALabel::update();
 }
 
+bool waybar::modules::Network::checkInterface(std::string name) {
+  if (config_["interface"].isString()) {
+    return config_["interface"].asString() == name ||
+           wildcardMatch(config_["interface"].asString(), name);
+  }
+  return false;
+}
+
+void waybar::modules::Network::clearIface() {
+  ifid_ = -1;
+  ifname_.clear();
+  essid_.clear();
+  ipaddr_.clear();
+  netmask_.clear();
+  carrier_ = false;
+  cidr_ = 0;
+  signal_strength_dbm_ = 0;
+  signal_strength_ = 0;
+  frequency_ = 0;
+}
+
+int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
+  auto                        net = static_cast<waybar::modules::Network *>(data);
+  std::lock_guard<std::mutex> lock(net->mutex_);
+  auto                        nh = nlmsg_hdr(msg);
+  bool                        is_del_event = false;
+
+  switch (nh->nlmsg_type) {
+  case RTM_DELLINK:
+    is_del_event = true;
+  case RTM_NEWLINK: {
+    struct ifinfomsg *ifi = static_cast<struct ifinfomsg *>(NLMSG_DATA(nh));
+    ssize_t attrlen = IFLA_PAYLOAD(nh);
+    struct rtattr *ifla = IFLA_RTA(ifi);
+    const char *ifname = NULL;
+    size_t ifname_len = 0;
+    std::optional<bool> carrier;
+
+    if (net->ifid_ != -1 && ifi->ifi_index != net->ifid_) {
+      return NL_OK;
+    }
+
+    // Check if the interface goes "down" and if we want to detect the
+    // external interface.
+    if (net->ifid_ != -1 && !(ifi->ifi_flags & IFF_UP)
+        && !net->config_["interface"].isString()) {
+      // The current interface is now down, all the routes associated with
+      // it have been deleted, so start looking for a new default route.
+      spdlog::debug("network: if{} down", net->ifid_);
+      net->clearIface();
+      net->dp.emit();
+      net->want_route_dump_ = true;
+      net->askForStateDump();
+      return NL_OK;
+    }
+
+    for (; RTA_OK(ifla, attrlen); ifla = RTA_NEXT(ifla, attrlen)) {
+      switch (ifla->rta_type) {
+      case IFLA_IFNAME:
+        ifname = static_cast<const char *>(RTA_DATA(ifla));
+        ifname_len = RTA_PAYLOAD(ifla) - 1; // minus \0
+        break;
+      case IFLA_CARRIER: {
+        carrier = *(char*)RTA_DATA(ifla) == 1;
+        break;
+      }
+      }
+    }
+
+    if (!is_del_event && ifi->ifi_index == net->ifid_) {
+      // Update inferface information
+      if (net->ifname_.empty() && ifname != NULL) {
+        std::string new_ifname (ifname, ifname_len);
+        net->ifname_ = new_ifname;
+      }
+      if (carrier.has_value()) {
+        if (net->carrier_ != *carrier) {
+          if (*carrier) {
+            // Ask for WiFi information
+            net->thread_timer_.wake_up();
+          } else {
+            // clear state related to WiFi connection
+            net->essid_.clear();
+            net->signal_strength_dbm_ = 0;
+            net->signal_strength_ = 0;
+            net->frequency_ = 0;
+          }
+        }
+        net->carrier_ = carrier.value();
+      }
+    } else if (!is_del_event && net->ifid_ == -1) {
+      // Checking if it's an interface we care about.
+      std::string new_ifname (ifname, ifname_len);
+      if (net->checkInterface(new_ifname)) {
+        spdlog::debug("network: selecting new interface {}/{}", new_ifname, ifi->ifi_index);
+
+        net->ifname_ = new_ifname;
+        net->ifid_ = ifi->ifi_index;
+        if (carrier.has_value()) {
+          net->carrier_ = carrier.value();
+        }
+        net->thread_timer_.wake_up();
+        /* An address for this new interface should be received via an
+         * RTM_NEWADDR event either because we ask for a dump of both links
+         * and addrs, or because this interface has just been created and
+         * the addr will be sent after the RTM_NEWLINK event.
+         * So we don't need to do anything. */
+      }
+    } else if (is_del_event && net->ifid_ >= 0) {
+      // Our interface has been deleted, start looking/waiting for one we care.
+      spdlog::debug("network: interface {}/{} deleted", net->ifname_, net->ifid_);
+
+      net->clearIface();
+      net->dp.emit();
+    }
+    break;
+  }
+
+  case RTM_DELADDR:
+    is_del_event = true;
+  case RTM_NEWADDR: {
+    struct ifaddrmsg *ifa = static_cast<struct ifaddrmsg *>(NLMSG_DATA(nh));
+    ssize_t attrlen = IFA_PAYLOAD(nh);
+    struct rtattr *ifa_rta = IFA_RTA(ifa);
+
+    if ((int)ifa->ifa_index != net->ifid_) {
+      return NL_OK;
+    }
+
+    if (ifa->ifa_family != net->family_) {
+      return NL_OK;
+    }
+
+    // We ignore address mark as scope for the link or host,
+    // which should leave scope global addresses.
+    if (ifa->ifa_scope >= RT_SCOPE_LINK) {
+      return NL_OK;
+    }
+
+    for (; RTA_OK(ifa_rta, attrlen); ifa_rta = RTA_NEXT(ifa_rta, attrlen)) {
+      switch (ifa_rta->rta_type) {
+      case IFA_ADDRESS: {
+        char ipaddr[INET6_ADDRSTRLEN];
+        if (!is_del_event) {
+          net->ipaddr_ = inet_ntop(ifa->ifa_family, RTA_DATA(ifa_rta),
+                                   ipaddr, sizeof (ipaddr));
+          net->cidr_ = ifa->ifa_prefixlen;
+          switch (ifa->ifa_family) {
+          case AF_INET: {
+            struct in_addr netmask;
+            netmask.s_addr = htonl(~0 << (32 - ifa->ifa_prefixlen));
+            net->netmask_ = inet_ntop(ifa->ifa_family, &netmask,
+                                      ipaddr, sizeof (ipaddr));
+          }
+          case AF_INET6: {
+            struct in6_addr netmask;
+            for (int i = 0; i < 16; i++) {
+              int v = (i + 1) * 8 - ifa->ifa_prefixlen;
+              if (v < 0) v = 0;
+              if (v > 8) v = 8;
+              netmask.s6_addr[i] = ~0 << v;
+            }
+            net->netmask_ = inet_ntop(ifa->ifa_family, &netmask,
+                                      ipaddr, sizeof (ipaddr));
+          }
+          }
+          spdlog::debug("network: {}, new addr {}/{}", net->ifname_, net->ipaddr_, net->cidr_);
+        } else {
+          net->ipaddr_.clear();
+          net->cidr_ = 0;
+          net->netmask_.clear();
+          spdlog::debug("network: {} addr deleted {}/{}",
+                        net->ifname_,
+                        inet_ntop(ifa->ifa_family, RTA_DATA(ifa_rta),
+                                  ipaddr, sizeof (ipaddr)),
+                        ifa->ifa_prefixlen);
+        }
+        net->dp.emit();
+        break;
+      }
+      }
+    }
+    break;
+  }
+
+  case RTM_DELROUTE:
+    is_del_event = true;
+  case RTM_NEWROUTE: {
     // Based on https://gist.github.com/Yawning/c70d804d4b8ae78cc698
-int waybar::modules::Network::getExternalInterface(int skip_idx) const {
+    // to find the interface used to reach the outside world
-  static const uint32_t route_buffer_size = 8192;
-  struct nlmsghdr *     hdr = nullptr;
-  struct rtmsg *        rt = nullptr;
-  char                  resp[route_buffer_size] = {0};
-  int                   ifidx = -1;
 
-  /* Prepare request. */
+    struct rtmsg  *rtm = static_cast<struct rtmsg *>(NLMSG_DATA(nh));
-  constexpr uint32_t reqlen = NLMSG_SPACE(sizeof(*rt));
+    ssize_t attrlen = RTM_PAYLOAD(nh);
-  char               req[reqlen] = {0};
+    struct rtattr *attr = RTM_RTA(rtm);
-
+    bool           has_gateway = false;
-  /* Build the RTM_GETROUTE request. */
+    bool           has_destination = false;
-  hdr = reinterpret_cast<struct nlmsghdr *>(req);
+    int            temp_idx = -1;
-  hdr->nlmsg_len = NLMSG_LENGTH(sizeof(*rt));
+    uint32_t       priority = 0;
-  hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
-  hdr->nlmsg_type = RTM_GETROUTE;
-  rt = static_cast<struct rtmsg *>(NLMSG_DATA(hdr));
-  rt->rtm_family = family_;
-  rt->rtm_table = RT_TABLE_MAIN;
-
-  /* Issue the query. */
-  if (netlinkRequest(req, reqlen) < 0) {
-    goto out;
-  }
-
-  /* Read the response(s).
-   *
-   * WARNING: All the packets generated by the request must be consumed (as in,
-   * consume responses till NLMSG_DONE/NLMSG_ERROR is encountered).
-   */
-  do {
-    auto len = netlinkResponse(resp, route_buffer_size);
-    if (len < 0) {
-      goto out;
-    }
-
-    /* Parse the response payload into netlink messages. */
-    for (hdr = reinterpret_cast<struct nlmsghdr *>(resp); NLMSG_OK(hdr, len);
-         hdr = NLMSG_NEXT(hdr, len)) {
-      if (hdr->nlmsg_type == NLMSG_DONE) {
-        goto out;
-      }
-      if (hdr->nlmsg_type == NLMSG_ERROR) {
-        /* Even if we found the interface index, something is broken with the
-         * netlink socket, so return an error.
-         */
-        ifidx = -1;
-        goto out;
-      }
-
-      /* If we found the correct answer, skip parsing the attributes. */
-      if (ifidx != -1) {
-        continue;
-      }
 
     /* Find the message(s) concerting the main routing table, each message
      * corresponds to a single routing table entry.
      */
-      rt = static_cast<struct rtmsg *>(NLMSG_DATA(hdr));
+    if (rtm->rtm_table != RT_TABLE_MAIN) {
-      if (rt->rtm_table != RT_TABLE_MAIN) {
+      return NL_OK;
-        continue;
     }
 
     /* Parse all the attributes for a single routing table entry. */
-      struct rtattr *attr = RTM_RTA(rt);
-      uint64_t       attrlen = RTM_PAYLOAD(hdr);
-      bool           has_gateway = false;
-      bool           has_destination = false;
-      int            temp_idx = -1;
     for (; RTA_OK(attr, attrlen); attr = RTA_NEXT(attr, attrlen)) {
       /* Determine if this routing table entry corresponds to the default
        * route by seeing if it has a gateway, and if a destination addr is
@@ -430,7 +621,7 @@ int waybar::modules::Network::getExternalInterface(int skip_idx) const {
         /* The destination address.
          * Should be either missing, or maybe all 0s.  Accept both.
          */
-            const uint32_t nr_zeroes = (family_ == AF_INET) ? 4 : 16;
+        const uint32_t nr_zeroes = (net->family_ == AF_INET) ? 4 : 16;
         unsigned char  c = 0;
         size_t         dstlen = RTA_PAYLOAD(attr);
         if (dstlen != nr_zeroes) {
@@ -446,245 +637,105 @@ int waybar::modules::Network::getExternalInterface(int skip_idx) const {
         /* The output interface index. */
         temp_idx = *static_cast<int *>(RTA_DATA(attr));
         break;
+      case RTA_PRIORITY:
+        priority = *(uint32_t*)RTA_DATA(attr);
+        break;
       default:
         break;
       }
     }
-      /* If this is the default route, and we know the interface index,
-       * we can stop parsing this message.
-       */
-      if (has_gateway && !has_destination && temp_idx != -1 && temp_idx != skip_idx) {
-        ifidx = temp_idx;
-        break;
-      }
-    }
-  } while (true);
 
-out:
+    // Check if we have a default route.
-  return ifidx;
+    if (has_gateway && !has_destination && temp_idx != -1) {
-}
+      // Check if this is the first default route we see, or if this new
-
+      // route have a higher priority.
-void waybar::modules::Network::getInterfaceAddress() {
+      if (!is_del_event && ((net->ifid_ == -1) || (priority < net->route_priority))) {
-  struct ifaddrs *ifaddr, *ifa;
+        // Clear if's state for the case were there is a higher priority
-  cidr_ = 0;
+        // route on a different interface.
-  int success = getifaddrs(&ifaddr);
+        net->clearIface();
-  if (success != 0) {
+        net->ifid_ = temp_idx;
-    return;
+        net->route_priority = priority;
-  }
+
-  ifa = ifaddr;
+        spdlog::debug("network: new default route via if{} metric {}", temp_idx, priority);
-  while (ifa != nullptr) {
+
-    if (ifa->ifa_addr != nullptr && ifa->ifa_addr->sa_family == family_ &&
+        /* Ask ifname associated with temp_idx as well as carrier status */
-        ifa->ifa_name == ifname_) {
+        struct ifinfomsg ifinfo_hdr = {
-      char ipaddr[INET6_ADDRSTRLEN];
+          .ifi_family = AF_UNSPEC,
-      char netmask[INET6_ADDRSTRLEN];
+          .ifi_index = temp_idx,
-      unsigned int cidr = 0;
+        };
-      if (family_ == AF_INET) {
+        int err;
-        ipaddr_ = inet_ntop(AF_INET,
+        err = nl_send_simple(net->ev_sock_, RTM_GETLINK, NLM_F_REQUEST,
-                            &reinterpret_cast<struct sockaddr_in *>(ifa->ifa_addr)->sin_addr,
+                             &ifinfo_hdr, sizeof (ifinfo_hdr));
-                            ipaddr,
+        if (err < 0) {
-                            INET_ADDRSTRLEN);
+          spdlog::error("network: failed to ask link info: {}", err);
-        auto net_addr = reinterpret_cast<struct sockaddr_in *>(ifa->ifa_netmask);
+          /* Ask for a dump of all links instead */
-        netmask_ = inet_ntop(AF_INET, &net_addr->sin_addr, netmask, INET_ADDRSTRLEN);
+          net->want_link_dump_ = true;
-        unsigned int cidrRaw = net_addr->sin_addr.s_addr;
+        }
-        while (cidrRaw) {
+
-          cidr += cidrRaw & 1;
+        /* Also ask for the address. Asking for a addresses of a specific
-          cidrRaw >>= 1;
+         * interface doesn't seems to work so ask for a dump of all
-        }
+         * addresses. */
-      } else {
+        net->want_addr_dump_ = true;
-        ipaddr_ = inet_ntop(AF_INET6,
+        net->askForStateDump();
-                            &reinterpret_cast<struct sockaddr_in6 *>(ifa->ifa_addr)->sin6_addr,
+        net->thread_timer_.wake_up();
-                            ipaddr,
+      } else if (is_del_event && temp_idx == net->ifid_
-                            INET6_ADDRSTRLEN);
+                 && net->route_priority == priority) {
-        auto net_addr = reinterpret_cast<struct sockaddr_in6 *>(ifa->ifa_netmask);
+        spdlog::debug("network: default route deleted {}/if{} metric {}",
-        netmask_ = inet_ntop(AF_INET6, &net_addr->sin6_addr, netmask, INET6_ADDRSTRLEN);
+                      net->ifname_, temp_idx, priority);
-        for (size_t i = 0; i < sizeof(net_addr->sin6_addr.s6_addr); ++i) {
+
-          unsigned char cidrRaw = net_addr->sin6_addr.s6_addr[i];
-          while (cidrRaw) {
-            cidr += cidrRaw & 1;
-            cidrRaw >>= 1;
-          }
-        }
-      }
-      cidr_ = cidr;
-      break;
-    }
-    ifa = ifa->ifa_next;
-  }
-  freeifaddrs(ifaddr);
-}
-
-int waybar::modules::Network::netlinkRequest(void *req, uint32_t reqlen, uint32_t groups) const {
-  struct sockaddr_nl sa = {};
-  sa.nl_family = AF_NETLINK;
-  sa.nl_groups = groups;
-  struct iovec  iov = {req, reqlen};
-  struct msghdr msg = {
-      .msg_name = &sa,
-      .msg_namelen = sizeof(sa),
-      .msg_iov = &iov,
-      .msg_iovlen = 1,
-  };
-  return sendmsg(nl_socket_get_fd(ev_sock_), &msg, 0);
-}
-
-int waybar::modules::Network::netlinkResponse(void *resp, uint32_t resplen, uint32_t groups) const {
-  struct sockaddr_nl sa = {};
-  sa.nl_family = AF_NETLINK;
-  sa.nl_groups = groups;
-  struct iovec  iov = {resp, resplen};
-  struct msghdr msg = {
-      .msg_name = &sa,
-      .msg_namelen = sizeof(sa),
-      .msg_iov = &iov,
-      .msg_iovlen = 1,
-  };
-  auto ret = recvmsg(nl_socket_get_fd(ev_sock_), &msg, 0);
-  if (msg.msg_flags & MSG_TRUNC) {
-    return -1;
-  }
-  return ret;
-}
-
-bool waybar::modules::Network::checkInterface(struct ifinfomsg *rtif, std::string name) {
-  if (config_["interface"].isString()) {
-    return config_["interface"].asString() == name ||
-           wildcardMatch(config_["interface"].asString(), name);
-  }
-  // getExternalInterface may need some delay to detect external interface
-  for (uint8_t tries = 0; tries < MAX_RETRY; tries += 1) {
-    auto external_iface = getExternalInterface();
-    if (external_iface > 0) {
-      return external_iface == rtif->ifi_index;
-    }
-    std::this_thread::sleep_for(std::chrono::milliseconds(500));
-  }
-  return false;
-}
-
-int waybar::modules::Network::getPreferredIface(int skip_idx, bool wait) const {
-  int ifid = -1;
-  if (config_["interface"].isString()) {
-    ifid = if_nametoindex(config_["interface"].asCString());
-    if (ifid > 0) {
-      return ifid;
-    } else {
-      // Try with wildcard
-      struct ifaddrs *ifaddr, *ifa;
-      int             success = getifaddrs(&ifaddr);
-      if (success != 0) {
-        return -1;
-      }
-      ifa = ifaddr;
-      ifid = -1;
-      while (ifa != nullptr) {
-        if (wildcardMatch(config_["interface"].asString(), ifa->ifa_name)) {
-          ifid = if_nametoindex(ifa->ifa_name);
-          break;
-        }
-        ifa = ifa->ifa_next;
-      }
-      freeifaddrs(ifaddr);
-      return ifid;
-    }
-  }
-  // getExternalInterface may need some delay to detect external interface
-  for (uint8_t tries = 0; tries < MAX_RETRY; tries += 1) {
-    ifid = getExternalInterface(skip_idx);
-    if (ifid > 0) {
-      return ifid;
-    }
-    if (wait) {
-      std::this_thread::sleep_for(std::chrono::milliseconds(500));
-    }
-  }
-  return -1;
-}
-
-void waybar::modules::Network::clearIface() {
-  essid_.clear();
-  ipaddr_.clear();
-  netmask_.clear();
-  cidr_ = 0;
-  signal_strength_dbm_ = 0;
-  signal_strength_ = 0;
-  frequency_ = 0;
-}
-
-void waybar::modules::Network::checkNewInterface(struct ifinfomsg *rtif) {
-  auto new_iface = getPreferredIface(rtif->ifi_index);
-  if (new_iface != -1) {
-    ifid_ = new_iface;
-    char ifname[IF_NAMESIZE];
-    if_indextoname(new_iface, ifname);
-    ifname_ = ifname;
-    getInterfaceAddress();
-    thread_timer_.wake_up();
-  } else {
-    ifid_ = -1;
-    dp.emit();
-  }
-}
-
-int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
-  auto                        net = static_cast<waybar::modules::Network *>(data);
-  std::lock_guard<std::mutex> lock(net->mutex_);
-  auto                        nh = nlmsg_hdr(msg);
-  auto                        ifi = static_cast<struct ifinfomsg *>(NLMSG_DATA(nh));
-  if (nh->nlmsg_type == RTM_DELADDR) {
-    // Check for valid interface
-    if (ifi->ifi_index == net->ifid_) {
-      net->ipaddr_.clear();
-      net->netmask_.clear();
-      net->cidr_ = 0;
-      if (!(ifi->ifi_flags & IFF_RUNNING)) {
         net->clearIface();
-        // Check for a new interface and get info
-        net->checkNewInterface(ifi);
-      } else {
         net->dp.emit();
+        /* Ask for a dump of all routes in case another one is already
+         * setup. If there's none, there'll be an event with new one
+         * later. */
+        net->want_route_dump_ = true;
+        net->askForStateDump();
       }
+    }
+    break;
+  }
+  }
+
   return NL_OK;
 }
-  } else if (nh->nlmsg_type == RTM_NEWLINK || nh->nlmsg_type == RTM_DELLINK) {
+
-    char ifname[IF_NAMESIZE];
+void waybar::modules::Network::askForStateDump(void) {
-    if_indextoname(ifi->ifi_index, ifname);
+  /* We need to wait until the current dump is done before sending new
-    // Check for valid interface
+   * messages. handleEventsDone() is called when a dump is done. */
-    if (ifi->ifi_index != net->ifid_ && net->checkInterface(ifi, ifname)) {
+  if (dump_in_progress_)
-      net->ifname_ = ifname;
+    return;
-      net->ifid_ = ifi->ifi_index;
+
-      // Get Iface and WIFI info
+  struct rtgenmsg rt_hdr = {
-      net->getInterfaceAddress();
+    .rtgen_family = AF_UNSPEC,
-      net->thread_timer_.wake_up();
+  };
+
+  if (want_route_dump_) {
+    rt_hdr.rtgen_family = family_;
+    nl_send_simple(ev_sock_, RTM_GETROUTE, NLM_F_DUMP,
+                   &rt_hdr, sizeof (rt_hdr));
+    want_route_dump_ = false;
+    dump_in_progress_ = true;
+
+  } else if (want_link_dump_) {
+    nl_send_simple(ev_sock_, RTM_GETLINK, NLM_F_DUMP,
+                   &rt_hdr, sizeof (rt_hdr));
+    want_link_dump_ = false;
+    dump_in_progress_ = true;
+
+  } else if (want_addr_dump_) {
+    rt_hdr.rtgen_family = family_;
+    nl_send_simple(ev_sock_, RTM_GETADDR, NLM_F_DUMP,
+                   &rt_hdr, sizeof (rt_hdr));
+    want_addr_dump_ = false;
+    dump_in_progress_ = true;
+  }
+}
+
+int waybar::modules::Network::handleEventsDone(struct nl_msg *msg, void *data) {
+  auto net = static_cast<waybar::modules::Network *>(data);
+  net->dump_in_progress_ = false;
+  net->askForStateDump();
   return NL_OK;
-    } else if (ifi->ifi_index == net->ifid_ &&
-               (!(ifi->ifi_flags & IFF_RUNNING) || !(ifi->ifi_flags & IFF_UP) ||
-                !net->checkInterface(ifi, ifname))) {
-      net->clearIface();
-      // Check for a new interface and get info
-      net->checkNewInterface(ifi);
-      return NL_OK;
-    }
-  } else {
-    char ifname[IF_NAMESIZE];
-    if_indextoname(ifi->ifi_index, ifname);
-    // Auto detected network can also be assigned here
-    if (ifi->ifi_index != net->ifid_ && net->checkInterface(ifi, ifname)) {
-      // If iface is different, clear data
-      if (ifi->ifi_index != net->ifid_) {
-        net->clearIface();
-      }
-      net->ifname_ = ifname;
-      net->ifid_ = ifi->ifi_index;
-    }
-    // Check for valid interface
-    if (ifi->ifi_index == net->ifid_) {
-      // Get Iface and WIFI info
-      net->getInterfaceAddress();
-      net->thread_timer_.wake_up();
-      return NL_OK;
-    }
-  }
-  return NL_SKIP;
 }
 
 int waybar::modules::Network::handleScan(struct nl_msg *msg, void *data) {

src/modules/pulseaudio.cpp

@@ -151,8 +151,24 @@ void waybar::modules::Pulseaudio::sourceInfoCb(pa_context * /*context*/, const p
  */
 void waybar::modules::Pulseaudio::sinkInfoCb(pa_context * /*context*/, const pa_sink_info *i,
                                              int /*eol*/, void *data) {
+  if (i == nullptr)
+    return;
+
   auto pa = static_cast<waybar::modules::Pulseaudio *>(data);
-  if (i != nullptr && pa->default_sink_name_ == i->name) {
+  if (pa->current_sink_name_ == i->name) {
+    if (i->state != PA_SINK_RUNNING) {
+      pa->current_sink_running_ = false;
+    } else {
+      pa->current_sink_running_ = true;
+    }
+  }
+
+  if (!pa->current_sink_running_ && i->state == PA_SINK_RUNNING) {
+    pa->current_sink_name_ = i->name;
+    pa->current_sink_running_ = true;
+  }
+
+  if (pa->current_sink_name_ == i->name) {
     pa->pa_volume_ = i->volume;
     float volume = static_cast<float>(pa_cvolume_avg(&(pa->pa_volume_))) / float{PA_VOLUME_NORM};
     pa->sink_idx_ = i->index;
@@ -175,11 +191,11 @@ void waybar::modules::Pulseaudio::sinkInfoCb(pa_context * /*context*/, const pa_
 void waybar::modules::Pulseaudio::serverInfoCb(pa_context *context, const pa_server_info *i,
                                                void *data) {
   auto pa = static_cast<waybar::modules::Pulseaudio *>(data);
-  pa->default_sink_name_ = i->default_sink_name;
+  pa->current_sink_name_ = i->default_sink_name;
   pa->default_source_name_ = i->default_source_name;
 
-  pa_context_get_sink_info_by_name(context, i->default_sink_name, sinkInfoCb, data);
+  pa_context_get_sink_info_list(context, sinkInfoCb, data);
-  pa_context_get_source_info_by_name(context, i->default_source_name, sourceInfoCb, data);
+  pa_context_get_source_info_list(context, sourceInfoCb, data);
 }
 
 static const std::array<std::string, 9> ports = {
@@ -194,22 +210,26 @@ static const std::array<std::string, 9> ports = {
     "phone",
 };
 
-const std::string waybar::modules::Pulseaudio::getPortIcon() const {
+const std::vector<std::string> waybar::modules::Pulseaudio::getPulseIcon() const {
+  std::vector<std::string> res = {default_source_name_};
   std::string nameLC = port_name_ + form_factor_;
   std::transform(nameLC.begin(), nameLC.end(), nameLC.begin(), ::tolower);
   for (auto const &port : ports) {
     if (nameLC.find(port) != std::string::npos) {
-      return port;
+      res.push_back(port);
+      return res;
     }
   }
-  return port_name_;
+  return res;
 }
 
 auto waybar::modules::Pulseaudio::update() -> void {
   auto format = format_;
+  std::string                 tooltip_format;
   if (!alt_) {
     std::string format_name = "format";
-    if (monitor_.find("a2dp_sink") != std::string::npos) {
+    if (monitor_.find("a2dp_sink") != std::string::npos || // PulseAudio
+        monitor_.find("a2dp-sink") != std::string::npos) { // PipeWire
       format_name = format_name + "-bluetooth";
       label_.get_style_context()->add_class("bluetooth");
     } else {
@@ -222,29 +242,54 @@ auto waybar::modules::Pulseaudio::update() -> void {
       }
       format_name = format_name + "-muted";
       label_.get_style_context()->add_class("muted");
+      label_.get_style_context()->add_class("sink-muted");
     } else {
       label_.get_style_context()->remove_class("muted");
+      label_.get_style_context()->remove_class("sink-muted");
     }
     format =
       config_[format_name].isString() ? config_[format_name].asString() : format;
   }
   // TODO: find a better way to split source/sink
   std::string format_source = "{volume}%";
-  if (source_muted_ && config_["format-source-muted"].isString()) {
+  if (source_muted_) {
+    label_.get_style_context()->add_class("source-muted");
+    if (config_["format-source-muted"].isString()) {
       format_source = config_["format-source-muted"].asString();
-  } else if (!source_muted_ && config_["format-source"].isString()) {
+    }
+  } else {
+    label_.get_style_context()->remove_class("source-muted");
+    if (config_["format-source-muted"].isString()) {
       format_source = config_["format-source"].asString();
     }
+  }
   format_source = fmt::format(format_source, fmt::arg("volume", source_volume_));
   label_.set_markup(fmt::format(format,
                                 fmt::arg("desc", desc_),
                                 fmt::arg("volume", volume_),
                                 fmt::arg("format_source", format_source),
-                                fmt::arg("icon", getIcon(volume_, getPortIcon()))));
+                                fmt::arg("source_volume", source_volume_),
+                                fmt::arg("source_desc", source_desc_),
+                                fmt::arg("icon", getIcon(volume_, getPulseIcon()))));
   getState(volume_);
+  
   if (tooltipEnabled()) {
+    if (tooltip_format.empty() && config_["tooltip-format"].isString()) {
+      tooltip_format = config_["tooltip-format"].asString();
+    }
+    if (!tooltip_format.empty()) {
+      label_.set_tooltip_text(fmt::format(
+        tooltip_format,
+        fmt::arg("desc", desc_),
+        fmt::arg("volume", volume_),
+        fmt::arg("format_source", format_source),
+        fmt::arg("source_volume", source_volume_),
+        fmt::arg("source_desc", source_desc_),
+        fmt::arg("icon", getIcon(volume_, getPulseIcon()))));
+    } else {
       label_.set_tooltip_text(desc_);
     }
+  }
 
   // Call parent update
   ALabel::update();

src/modules/sni/item.cpp

@@ -1,7 +1,12 @@
 #include "modules/sni/item.hpp"
+
+#include <gdkmm/general.h>
 #include <glibmm/main.h>
+#include <gtkmm/tooltip.h>
 #include <spdlog/spdlog.h>
+
 #include <fstream>
+#include <map>
 
 template <>
 struct fmt::formatter<Glib::ustring> : formatter<std::string> {
@@ -39,14 +44,22 @@ Item::Item(const std::string& bn, const std::string& op, const Json::Value& conf
       object_path(op),
       icon_size(16),
       effective_icon_size(0),
-      icon_theme(Gtk::IconTheme::create()),
+      icon_theme(Gtk::IconTheme::create()) {
-      update_pending_(false) {
   if (config["icon-size"].isUInt()) {
     icon_size = config["icon-size"].asUInt();
   }
+  if (config["smooth-scrolling-threshold"].isNumeric()) {
+    scroll_threshold_ = config["smooth-scrolling-threshold"].asDouble();
+  }
+  if (config["show-passive-items"].isBool()) {
+    show_passive_ = config["show-passive-items"].asBool();
+  }
   event_box.add(image);
-  event_box.add_events(Gdk::BUTTON_PRESS_MASK);
+  event_box.add_events(Gdk::BUTTON_PRESS_MASK | Gdk::SCROLL_MASK | Gdk::SMOOTH_SCROLL_MASK);
   event_box.signal_button_press_event().connect(sigc::mem_fun(*this, &Item::handleClick));
+  event_box.signal_scroll_event().connect(sigc::mem_fun(*this, &Item::handleScroll));
+  // initial visibility
+  event_box.set_visible(show_passive_);
 
   cancellable_ = Gio::Cancellable::create();
 
@@ -73,12 +86,11 @@ void Item::proxyReady(Glib::RefPtr<Gio::AsyncResult>& result) {
 
     this->proxy_->signal_signal().connect(sigc::mem_fun(*this, &Item::onSignal));
 
-    if (this->id.empty() || this->category.empty() || this->status.empty()) {
+    if (this->id.empty() || this->category.empty()) {
       spdlog::error("Invalid Status Notifier Item: {}, {}", bus_name, object_path);
       return;
     }
     this->updateImage();
-    // this->event_box.set_tooltip_text(this->title);
 
   } catch (const Glib::Error& err) {
     spdlog::error("Failed to create DBus Proxy for {} {}: {}", bus_name, object_path, err.what());
@@ -88,10 +100,24 @@ void Item::proxyReady(Glib::RefPtr<Gio::AsyncResult>& result) {
 }
 
 template <typename T>
-T get_variant(Glib::VariantBase& value) {
+T get_variant(const Glib::VariantBase& value) {
   return Glib::VariantBase::cast_dynamic<Glib::Variant<T>>(value).get();
 }
 
+template <>
+ToolTip get_variant<ToolTip>(const Glib::VariantBase& value) {
+  ToolTip result;
+  // Unwrap (sa(iiay)ss)
+  auto container = value.cast_dynamic<Glib::VariantContainerBase>(value);
+  result.icon_name = get_variant<Glib::ustring>(container.get_child(0));
+  result.text = get_variant<Glib::ustring>(container.get_child(2));
+  auto description = get_variant<Glib::ustring>(container.get_child(3));
+  if (!description.empty()) {
+    result.text = fmt::format("<b>{}</b>\n{}", result.text, description);
+  }
+  return result;
+}
+
 void Item::setProperty(const Glib::ustring& name, Glib::VariantBase& value) {
   try {
     spdlog::trace("Set tray item property: {}.{} = {}", id.empty() ? bus_name : id, name, value);
@@ -102,10 +128,11 @@ void Item::setProperty(const Glib::ustring& name, Glib::VariantBase& value) {
       id = get_variant<std::string>(value);
     } else if (name == "Title") {
       title = get_variant<std::string>(value);
+      if (tooltip.text.empty()) {
+        event_box.set_tooltip_markup(title);
+      }
     } else if (name == "Status") {
-      status = get_variant<std::string>(value);
+      setStatus(get_variant<Glib::ustring>(value));
-    } else if (name == "WindowId") {
-      window_id = get_variant<int32_t>(value);
     } else if (name == "IconName") {
       icon_name = get_variant<std::string>(value);
     } else if (name == "IconPixmap") {
@@ -121,7 +148,10 @@ void Item::setProperty(const Glib::ustring& name, Glib::VariantBase& value) {
     } else if (name == "AttentionMovieName") {
       attention_movie_name = get_variant<std::string>(value);
     } else if (name == "ToolTip") {
-      // TODO: tooltip
+      tooltip = get_variant<ToolTip>(value);
+      if (!tooltip.text.empty()) {
+        event_box.set_tooltip_markup(tooltip.text);
+      }
     } else if (name == "IconThemePath") {
       icon_theme_path = get_variant<std::string>(value);
       if (!icon_theme_path.empty()) {
@@ -148,9 +178,22 @@ void Item::setProperty(const Glib::ustring& name, Glib::VariantBase& value) {
   }
 }
 
-void Item::getUpdatedProperties() {
+void Item::setStatus(const Glib::ustring& value) {
-  update_pending_ = false;
+  Glib::ustring lower = value.lowercase();
+  event_box.set_visible(show_passive_ || lower.compare("passive") != 0);
 
+  auto style = event_box.get_style_context();
+  for (const auto& class_name : style->list_classes()) {
+    style->remove_class(class_name);
+  }
+  if (lower.compare("needsattention") == 0) {
+    // convert status to dash-case for CSS
+    lower = "needs-attention";
+  }
+  style->add_class(lower);
+}
+
+void Item::getUpdatedProperties() {
   auto params = Glib::VariantContainerBase::create_tuple(
       {Glib::Variant<Glib::ustring>::create(SNI_INTERFACE_NAME)});
   proxy_->call("org.freedesktop.DBus.Properties.GetAll",
@@ -167,34 +210,49 @@ void Item::processUpdatedProperties(Glib::RefPtr<Gio::AsyncResult>& _result) {
     auto properties = properties_variant.get();
 
     for (const auto& [name, value] : properties) {
-      Glib::VariantBase old_value;
+      if (update_pending_.count(name.raw())) {
-      proxy_->get_cached_property(old_value, name);
-      if (!old_value || !value.equal(old_value)) {
-        proxy_->set_cached_property(name, value);
         setProperty(name, const_cast<Glib::VariantBase&>(value));
       }
     }
 
     this->updateImage();
-    // this->event_box.set_tooltip_text(this->title);
   } catch (const Glib::Error& err) {
     spdlog::warn("Failed to update properties: {}", err.what());
   } catch (const std::exception& err) {
     spdlog::warn("Failed to update properties: {}", err.what());
   }
+  update_pending_.clear();
 }
 
+/**
+ * Mapping from a signal name to a set of possibly changed properties.
+ * Commented signals are not handled by the tray module at the moment.
+ */
+static const std::map<std::string_view, std::set<std::string_view>> signal2props = {
+    {"NewTitle", {"Title"}},
+    {"NewIcon", {"IconName", "IconPixmap"}},
+    // {"NewAttentionIcon", {"AttentionIconName", "AttentionIconPixmap", "AttentionMovieName"}},
+    // {"NewOverlayIcon", {"OverlayIconName", "OverlayIconPixmap"}},
+    {"NewIconThemePath", {"IconThemePath"}},
+    {"NewToolTip", {"ToolTip"}},
+    {"NewStatus", {"Status"}},
+    // {"XAyatanaNewLabel", {"XAyatanaLabel"}},
+};
+
 void Item::onSignal(const Glib::ustring& sender_name, const Glib::ustring& signal_name,
                     const Glib::VariantContainerBase& arguments) {
   spdlog::trace("Tray item '{}' got signal {}", id, signal_name);
-  if (!update_pending_ && signal_name.compare(0, 3, "New") == 0) {
+  auto changed = signal2props.find(signal_name.raw());
+  if (changed != signal2props.end()) {
+    if (update_pending_.empty()) {
       /* Debounce signals and schedule update of all properties.
        * Based on behavior of Plasma dataengine for StatusNotifierItem.
        */
-    update_pending_ = true;
       Glib::signal_timeout().connect_once(sigc::mem_fun(*this, &Item::getUpdatedProperties),
                                           UPDATE_DEBOUNCE_TIME);
     }
+    update_pending_.insert(changed->second.begin(), changed->second.end());
+  }
 }
 
 static void pixbuf_data_deleter(const guint8* data) { g_free((void*)data); }
@@ -252,35 +310,41 @@ Glib::RefPtr<Gdk::Pixbuf> Item::extractPixBuf(GVariant* variant) {
 }
 
 void Item::updateImage() {
-  image.set_from_icon_name("image-missing", Gtk::ICON_SIZE_MENU);
+  auto pixbuf = getIconPixbuf();
-  image.set_pixel_size(icon_size);
+  auto scaled_icon_size = getScaledIconSize();
-  if (!icon_name.empty()) {
+ 
+  if (!pixbuf) {
+    pixbuf = getIconByName("image-missing", getScaledIconSize());
+  }
+
+  // If the loaded icon is not square, assume that the icon height should match the
+  // requested icon size, but the width is allowed to be different. As such, if the
+  // height of the image does not match the requested icon size, resize the icon such that
+  // the aspect ratio is maintained, but the height matches the requested icon size.
+  if (pixbuf->get_height() != scaled_icon_size) {
+    int width = scaled_icon_size * pixbuf->get_width() / pixbuf->get_height();
+    pixbuf = pixbuf->scale_simple(width, scaled_icon_size, Gdk::InterpType::INTERP_BILINEAR);
+  }
+
+  auto surface = Gdk::Cairo::create_surface_from_pixbuf(pixbuf, 0, image.get_window());
+  image.set(surface);
+}
+
+Glib::RefPtr<Gdk::Pixbuf> Item::getIconPixbuf() {
   try {
-      // Try to find icons specified by path and filename
+    if (!icon_name.empty()) {
       std::ifstream temp(icon_name);
       if (temp.is_open()) {
-        auto pixbuf = Gdk::Pixbuf::create_from_file(icon_name);
+        return Gdk::Pixbuf::create_from_file(icon_name);
-        if (pixbuf->gobj() != nullptr) {
-          // An icon specified by path and filename may be the wrong size for
-          // the tray
-          // Keep the aspect ratio and scale to make the height equal to icon_size
-          // If people have non square icons, assume they want it to grow in width not height
-          int width = icon_size * pixbuf->get_width() / pixbuf->get_height();
-
-          pixbuf = pixbuf->scale_simple(width, icon_size, Gdk::InterpType::INTERP_BILINEAR);
-          image.set(pixbuf);
       }
-      } else {
+      return getIconByName(icon_name, getScaledIconSize());
-        image.set(getIconByName(icon_name, icon_size));
+    } else if (icon_pixmap) {
+      return icon_pixmap;
     }
   } catch (Glib::Error& e) {
     spdlog::error("Item '{}': {}", id, static_cast<std::string>(e.what()));
   } 
-  } else if (icon_pixmap) {
+  return getIconByName("image-missing", getScaledIconSize());
-    // An icon extracted may be the wrong size for the tray
-    icon_pixmap = icon_pixmap->scale_simple(icon_size, icon_size, Gdk::InterpType::INTERP_BILINEAR);
-    image.set(icon_pixmap);
-  }
 }
 
 Glib::RefPtr<Gdk::Pixbuf> Item::getIconByName(const std::string& name, int request_size) {
@@ -315,6 +379,11 @@ Glib::RefPtr<Gdk::Pixbuf> Item::getIconByName(const std::string& name, int reque
       name.c_str(), tmp_size, Gtk::IconLookupFlags::ICON_LOOKUP_FORCE_SIZE);
 }
 
+double Item::getScaledIconSize() {
+  // apply the scale factor from the Gtk window to the requested icon size
+  return icon_size * image.get_scale_factor();
+}
+
 void Item::onMenuDestroyed(Item* self, GObject* old_menu_pointer) {
   if (old_menu_pointer == reinterpret_cast<GObject*>(self->dbus_menu)) {
     self->gtk_menu = nullptr;
@@ -360,4 +429,52 @@ bool Item::handleClick(GdkEventButton* const& ev) {
   return false;
 }
 
+bool Item::handleScroll(GdkEventScroll* const& ev) {
+  int dx = 0, dy = 0;
+  switch (ev->direction) {
+    case GDK_SCROLL_UP:
+      dy = -1;
+      break;
+    case GDK_SCROLL_DOWN:
+      dy = 1;
+      break;
+    case GDK_SCROLL_LEFT:
+      dx = -1;
+      break;
+    case GDK_SCROLL_RIGHT:
+      dx = 1;
+      break;
+    case GDK_SCROLL_SMOOTH:
+      distance_scrolled_x_ += ev->delta_x;
+      distance_scrolled_y_ += ev->delta_y;
+      // check against the configured threshold and ensure that the absolute value >= 1
+      if (distance_scrolled_x_ > scroll_threshold_) {
+        dx = (int)lround(std::max(distance_scrolled_x_, 1.0));
+        distance_scrolled_x_ = 0;
+      } else if (distance_scrolled_x_ < -scroll_threshold_) {
+        dx = (int)lround(std::min(distance_scrolled_x_, -1.0));
+        distance_scrolled_x_ = 0;
+      }
+      if (distance_scrolled_y_ > scroll_threshold_) {
+        dy = (int)lround(std::max(distance_scrolled_y_, 1.0));
+        distance_scrolled_y_ = 0;
+      } else if (distance_scrolled_y_ < -scroll_threshold_) {
+        dy = (int)lround(std::min(distance_scrolled_y_, -1.0));
+        distance_scrolled_y_ = 0;
+      }
+      break;
+  }
+  if (dx != 0) {
+    auto parameters = Glib::VariantContainerBase::create_tuple(
+        {Glib::Variant<int>::create(dx), Glib::Variant<Glib::ustring>::create("horizontal")});
+    proxy_->call("Scroll", parameters);
+  }
+  if (dy != 0) {
+    auto parameters = Glib::VariantContainerBase::create_tuple(
+        {Glib::Variant<int>::create(dy), Glib::Variant<Glib::ustring>::create("vertical")});
+    proxy_->call("Scroll", parameters);
+  }
+  return true;
+}
+
 }  // namespace waybar::modules::SNI

src/modules/sway/language.cpp

@@ -1,10 +1,28 @@
 #include "modules/sway/language.hpp"
+
+#include <fmt/core.h>
+#include <json/json.h>
 #include <spdlog/spdlog.h>
+#include <xkbcommon/xkbregistry.h>
+
+#include <cstring>
+#include <string>
+#include <vector>
+
+#include "modules/sway/ipc/ipc.hpp"
+#include "util/string.hpp"
 
 namespace waybar::modules::sway {
 
+const std::string Language::XKB_LAYOUT_NAMES_KEY = "xkb_layout_names";
+const std::string Language::XKB_ACTIVE_LAYOUT_NAME_KEY = "xkb_active_layout_name";
+
 Language::Language(const std::string& id, const Json::Value& config)
     : ALabel(config, "language", id, "{}", 0, true) {
+  is_variant_displayed = format_.find("{variant}") != std::string::npos;
+	if (config.isMember("tooltip-format")) {
+		tooltip_format_ = config["tooltip-format"].asString();
+	}
   ipc_.subscribe(R"(["input"])");
   ipc_.signal_event.connect(sigc::mem_fun(*this, &Language::onEvent));
   ipc_.signal_cmd.connect(sigc::mem_fun(*this, &Language::onCmd));
@@ -21,18 +39,31 @@ Language::Language(const std::string& id, const Json::Value& config)
 }
 
 void Language::onCmd(const struct Ipc::ipc_response& res) {
+  if (res.type != static_cast<uint32_t>(IPC_GET_INPUTS)) {
+    return;
+  }
+
   try {
+    std::lock_guard<std::mutex> lock(mutex_);
     auto                        payload = parser_.parse(res.payload);
-    //Display current layout of a device with a maximum count of layouts, expecting that all will be OK
+    std::vector<std::string>    used_layouts;
-    Json::Value::ArrayIndex maxId = 0, max = 0;
+    // Display current layout of a device with a maximum count of layouts, expecting that all will
-    for(Json::Value::ArrayIndex i = 0; i < payload.size(); i++) {
+    // be OK
-      if(payload[i]["xkb_layout_names"].size() > max) {
+    Json::ArrayIndex max_id = 0, max = 0;
-        max = payload[i]["xkb_layout_names"].size();
+    for (Json::ArrayIndex i = 0; i < payload.size(); i++) {
-        maxId = i;
+      auto size = payload[i][XKB_LAYOUT_NAMES_KEY].size();
+      if (size > max) {
+        max = size;
+        max_id = i;
       }
     }
-    auto layout_name = payload[maxId]["xkb_active_layout_name"].asString().substr(0,2);
+
-    lang_ = Glib::Markup::escape_text(layout_name);
+    for (const auto& layout : payload[max_id][XKB_LAYOUT_NAMES_KEY]) {
+      used_layouts.push_back(layout.asString());
+    }
+
+    init_layouts_map(used_layouts);
+    set_current_layout(payload[max_id][XKB_ACTIVE_LAYOUT_NAME_KEY].asString());
     dp.emit();
   } catch (const std::exception& e) {
     spdlog::error("Language: {}", e.what());
@@ -40,12 +71,15 @@ void Language::onCmd(const struct Ipc::ipc_response& res) {
 }
 
 void Language::onEvent(const struct Ipc::ipc_response& res) {
+  if (res.type != static_cast<uint32_t>(IPC_EVENT_INPUT)) {
+    return;
+  }
+
   try {
     std::lock_guard<std::mutex> lock(mutex_);
     auto                        payload = parser_.parse(res.payload)["input"];
     if (payload["type"].asString() == "keyboard") {
-        auto layout_name = payload["xkb_active_layout_name"].asString().substr(0,2);
+      set_current_layout(payload[XKB_ACTIVE_LAYOUT_NAME_KEY].asString());
-        lang_ = Glib::Markup::escape_text(layout_name);
     }
     dp.emit();
   } catch (const std::exception& e) {
@@ -54,17 +88,102 @@ void Language::onEvent(const struct Ipc::ipc_response& res) {
 }
 
 auto Language::update() -> void {
-  if (lang_.empty()) {
+  auto display_layout = trim(fmt::format(format_,
-    event_box_.hide();
+                                         fmt::arg("short", layout_.short_name),
-  } else {
+                                         fmt::arg("long", layout_.full_name),
-    label_.set_markup(fmt::format(format_, lang_));
+                                         fmt::arg("variant", layout_.variant)));
+  label_.set_markup(display_layout);
   if (tooltipEnabled()) {
-      label_.set_tooltip_text(lang_);
+		if (tooltip_format_ != "") {
+			auto tooltip_display_layout = trim(fmt::format(tooltip_format_,
+																						 fmt::arg("short", layout_.short_name),
+																						 fmt::arg("long", layout_.full_name),
+																						 fmt::arg("variant", layout_.variant)));
+			label_.set_tooltip_markup(tooltip_display_layout);
+
+		} else {
+			label_.set_tooltip_markup(display_layout);
 		}
+  }
+
   event_box_.show();
-  }
+
   // Call parent update
   ALabel::update();
 }
 
+auto Language::set_current_layout(std::string current_layout) -> void {
+  layout_ = layouts_map_[current_layout];
+}
+
+auto Language::init_layouts_map(const std::vector<std::string>& used_layouts) -> void {
+  std::map<std::string, std::vector<Layout*>> found_by_short_names;
+  auto                                        layout = xkb_context_.next_layout();
+  for (; layout != nullptr; layout = xkb_context_.next_layout()) {
+    if (std::find(used_layouts.begin(), used_layouts.end(), layout->full_name) ==
+        used_layouts.end()) {
+      continue;
+    }
+
+    if (!is_variant_displayed) {
+      auto short_name = layout->short_name;
+      if (found_by_short_names.count(short_name) > 0) {
+        found_by_short_names[short_name].push_back(layout);
+      } else {
+        found_by_short_names[short_name] = {layout};
+      }
+    }
+
+    layouts_map_.emplace(layout->full_name, *layout);
+  }
+
+  if (is_variant_displayed || found_by_short_names.size() == 0) {
+    return;
+  }
+
+  std::map<std::string, int> short_name_to_number_map;
+  for (const auto& used_layout_name : used_layouts) {
+    auto used_layout = &layouts_map_.find(used_layout_name)->second;
+    auto layouts_with_same_name_list = found_by_short_names[used_layout->short_name];
+		spdlog::info("SIZE: " + std::to_string(layouts_with_same_name_list.size()));
+    if (layouts_with_same_name_list.size() < 2) {
+      continue;
+    }
+
+    if (short_name_to_number_map.count(used_layout->short_name) == 0) {
+      short_name_to_number_map[used_layout->short_name] = 1;
+    }
+
+    used_layout->short_name =
+        used_layout->short_name + std::to_string(short_name_to_number_map[used_layout->short_name]++);
+  }
+}
+
+Language::XKBContext::XKBContext() {
+  context_ = rxkb_context_new(RXKB_CONTEXT_NO_DEFAULT_INCLUDES);
+  rxkb_context_include_path_append_default(context_);
+  rxkb_context_parse_default_ruleset(context_);
+}
+
+auto Language::XKBContext::next_layout() -> Layout* {
+  if (xkb_layout_ == nullptr) {
+    xkb_layout_ = rxkb_layout_first(context_);
+  } else {
+    xkb_layout_ = rxkb_layout_next(xkb_layout_);
+  }
+
+  if (xkb_layout_ == nullptr) {
+    return nullptr;
+  }
+
+  auto        description = std::string(rxkb_layout_get_description(xkb_layout_));
+  auto        name = std::string(rxkb_layout_get_name(xkb_layout_));
+  auto        variant_ = rxkb_layout_get_variant(xkb_layout_);
+  std::string variant = variant_ == nullptr ? "" : std::string(variant_);
+
+  layout_ = new Layout{description, name, variant};
+  return layout_;
+}
+
+Language::XKBContext::~XKBContext() { rxkb_context_unref(context_); }
 }  // namespace waybar::modules::sway

src/modules/sway/window.cpp

@@ -1,5 +1,6 @@
 #include "modules/sway/window.hpp"
 #include <spdlog/spdlog.h>
+#include <regex>
 
 namespace waybar::modules::sway {
 
@@ -56,7 +57,7 @@ auto Window::update() -> void {
     bar_.window.get_style_context()->remove_class("solo");
     bar_.window.get_style_context()->remove_class("empty");
   }
-  label_.set_markup(fmt::format(format_, fmt::arg("title", window_),
+  label_.set_markup(fmt::format(format_, fmt::arg("title", rewriteTitle(window_)),
                                 fmt::arg("app_id", app_id_)));
   if (tooltipEnabled()) {
     label_.set_tooltip_text(window_);
@@ -131,4 +132,30 @@ void Window::getTree() {
   }
 }
 
+std::string Window::rewriteTitle(const std::string& title) {
+  const auto& rules = config_["rewrite"];
+  if (!rules.isObject()) {
+    return title;
+  }
+
+  std::string res = title;
+
+  for (auto it = rules.begin(); it != rules.end(); ++it) {
+    if (it.key().isString() && it->isString()) {
+      try {
+        // malformated regexes will cause an exception.
+        // in this case, log error and try the next rule.
+        const std::regex rule{it.key().asString()};
+        if (std::regex_match(title, rule)) {
+          res = std::regex_replace(res, rule, it->asString());
+        }
+      } catch (const std::regex_error& e) {
+        spdlog::error("Invalid rule {}: {}", it.key().asString(), e.what());
+      }
+    }
+  }
+
+  return res;
+}
+
 }  // namespace waybar::modules::sway

src/modules/wlr/taskbar.cpp

@@ -277,7 +277,7 @@ Task::Task(const waybar::Bar &bar, const Json::Value &config, Taskbar *tbar,
     bar_{bar}, config_{config}, tbar_{tbar}, handle_{tl_handle}, seat_{seat},
     id_{global_id++},
     content_{bar.vertical ? Gtk::ORIENTATION_VERTICAL : Gtk::ORIENTATION_HORIZONTAL, 0},
-    button_visible_{false}
+    button_visible_{false}, ignored_{false}
 {
     zwlr_foreign_toplevel_handle_v1_add_listener(handle_, &toplevel_handle_impl, this);
 
@@ -383,6 +383,21 @@ void Task::handle_app_id(const char *app_id)
 {
     app_id_ = app_id;
 
+    if (tbar_->ignore_list().count(app_id)) {
+        ignored_ = true;
+        if (button_visible_) {
+          auto output = gdk_wayland_monitor_get_wl_output(bar_.output->monitor->gobj());
+          handle_output_leave(output);
+        }
+    } else {
+        bool is_was_ignored = ignored_;
+        ignored_ = false;
+        if (is_was_ignored) {
+          auto output = gdk_wayland_monitor_get_wl_output(bar_.output->monitor->gobj());
+          handle_output_enter(output);
+        }
+    }
+
     if (!with_icon_)
         return;
 
@@ -405,6 +420,11 @@ void Task::handle_output_enter(struct wl_output *output)
 {
     spdlog::debug("{} entered output {}", repr(), (void*)output);
 
+    if (ignored_) {
+      spdlog::debug("{} is ignored", repr());
+      return;
+    }
+
     if (!button_visible_ && (tbar_->all_outputs() || tbar_->show_output(output))) {
         /* The task entered the output of the current bar make the button visible */
         tbar_->add_button(button_);
@@ -694,6 +714,14 @@ Taskbar::Taskbar(const std::string &id, const waybar::Bar &bar, const Json::Valu
 
         icon_themes_.push_back(it);
     }
+
+    // Load ignore-list
+    if (config_["ignore-list"].isArray()) {
+        for (auto& app_name : config_["ignore-list"]) {
+          ignore_list_.emplace(app_name.asString());
+        }
+    }
+
     icon_themes_.push_back(Gtk::IconTheme::get_default());
 }
 
@@ -829,5 +857,6 @@ std::vector<Glib::RefPtr<Gtk::IconTheme>> Taskbar::icon_themes() const
 {
     return icon_themes_;
 }
+const std::unordered_set<std::string> &Taskbar::ignore_list() const { return ignore_list_; }
 
 } /* namespace waybar::modules::wlr */

subprojects/spdlog.wrap

@@ -1,13 +1,11 @@
 [wrap-file]
-directory = spdlog-1.8.1
+directory = spdlog-1.8.5
-
+source_url = https://github.com/gabime/spdlog/archive/v1.8.5.tar.gz
-source_url = https://github.com/gabime/spdlog/archive/v1.8.1.tar.gz
+source_filename = v1.8.5.tar.gz
-source_filename = v1.8.1.tar.gz
+source_hash = 944d0bd7c763ac721398dca2bb0f3b5ed16f67cef36810ede5061f35a543b4b8
-source_hash = 5197b3147cfcfaa67dd564db7b878e4a4b3d9f3443801722b3915cdeced656cb
+patch_url = https://wrapdb.mesonbuild.com/v1/projects/spdlog/1.8.5/1/get_zip
-
+patch_filename = spdlog-1.8.5-1-wrap.zip
-patch_url = https://github.com/mesonbuild/spdlog/releases/download/1.8.1-1/spdlog.zip
+patch_hash = 3c38f275d5792b1286391102594329e98b17737924b344f98312ab09929b74be
-patch_filename = spdlog-1.8.1-1-wrap.zip
-patch_hash = 76844292a8e912aec78450618271a311841b33b17000988f215ddd6c64dd71b3
 
 [provide]
 spdlog = spdlog_dep