Merge branch 'master' into master

ext4fuse.rb

@@ -0,0 +1,57 @@
+class MacFuseRequirement < Requirement
+  fatal true
+
+  satisfy(build_env: false) { self.class.binary_mac_fuse_installed? }
+
+  def self.binary_mac_fuse_installed?
+    File.exist?("/usr/local/include/fuse/fuse.h") &&
+      !File.symlink?("/usr/local/include/fuse")
+  end
+
+  env do
+    ENV.append_path "PKG_CONFIG_PATH", HOMEBREW_LIBRARY/"Homebrew/os/mac/pkgconfig/fuse"
+    ENV.append_path "PKG_CONFIG_PATH", "/usr/local/lib/pkgconfig"
+
+    unless HOMEBREW_PREFIX.to_s == "/usr/local"
+      ENV.append_path "HOMEBREW_LIBRARY_PATHS", "/usr/local/lib"
+      ENV.append_path "HOMEBREW_INCLUDE_PATHS", "/usr/local/include/fuse"
+    end
+  end
+
+  def message
+    "macFUSE is required. Please run `brew install --cask macfuse` first."
+  end
+end
+
+class Ext4fuse < Formula
+  desc "Read-only implementation of ext4 for FUSE"
+  homepage "https://github.com/gerard/ext4fuse"
+  url "https://github.com/gerard/ext4fuse/archive/v0.1.3.tar.gz"
+  sha256 "550f1e152c4de7d4ea517ee1c708f57bfebb0856281c508511419db45aa3ca9f"
+  license "GPL-2.0"
+  head "https://github.com/gerard/ext4fuse.git"
+
+  bottle do
+    sha256 cellar: :any, catalina:    "446dde5e84b058966ead0cde5e38e9411f465732527f6decfa1c0dcdbd4abbef"
+    sha256 cellar: :any, mojave:      "88c4918bf5218f99295e539fe4499152edb3b60b6659e44ddd68b22359f512ae"
+    sha256 cellar: :any, high_sierra: "fc69c8993afd0ffc16a73c9c036ca8f83c77ac2a19b3237f76f9ccee8b30bbc9"
+    sha256 cellar: :any, sierra:      "fe8bbe7cd5362f00ff06ef750926bf349d60563c20b0ecf212778631c8912ba2"
+    sha256 cellar: :any, el_capitan:  "291047c821b7b205d85be853fb005510c6ab01bd4c2a2193c192299b6f049d35"
+    sha256 cellar: :any, yosemite:    "b11f564b7e7c08af0b0a3e9854973d39809bf2d8a56014f4882772b2f7307ac1"
+  end
+
+  depends_on "pkg-config" => :build
+
+  on_macos do
+    depends_on MacFuseRequirement => :build
+  end
+
+  on_linux do
+    depends_on "libfuse"
+  end
+
+  def install
+    system "make"
+    bin.install "ext4fuse"
+  end
+end

include/AButton.hpp

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <glibmm/markup.h>
+#include <gtkmm/button.h>
+#include <gtkmm/label.h>
+#include <json/json.h>
+
+#include "AModule.hpp"
+
+namespace waybar {
+
+class AButton : public AModule {
+ public:
+  AButton(const Json::Value &, const std::string &, const std::string &, const std::string &format,
+          uint16_t interval = 0, bool ellipsize = false, bool enable_click = false,
+          bool enable_scroll = false);
+  virtual ~AButton() = 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, const std::vector<std::string> &alts, uint16_t max = 0);
+
+ protected:
+  Gtk::Button button_ = Gtk::Button(name_);
+  Gtk::Label *label_ = (Gtk::Label *)button_.get_child();
+  std::string format_;
+  const std::chrono::seconds interval_;
+  bool alt_ = false;
+  std::string default_format_;
+
+  virtual bool handleToggle(GdkEventButton *const &e);
+  virtual std::string getState(uint8_t value, bool lesser = false);
+};
+
+}  // namespace waybar

include/factory.hpp

@@ -23,8 +23,8 @@
 #endif
 #ifdef HAVE_HYPRLAND
 #include "modules/hyprland/backend.hpp"
-#include "modules/hyprland/window.hpp"
 #include "modules/hyprland/language.hpp"
+#include "modules/hyprland/window.hpp"
 #endif
 #if defined(__linux__) && !defined(NO_FILESYSTEM)
 #include "modules/battery.hpp"

include/modules/backlight.hpp

@@ -5,7 +5,7 @@
 #include <string_view>
 #include <vector>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/json.hpp"
 #include "util/sleeper_thread.hpp"
 
@@ -14,7 +14,7 @@ struct udev_device;
 
 namespace waybar::modules {
 
-class Backlight : public ALabel {
+class Backlight : public AButton {
   class BacklightDev {
    public:
     BacklightDev() = default;

include/modules/battery.hpp

@@ -13,7 +13,7 @@
 #include <string>
 #include <vector>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
@@ -24,7 +24,7 @@ namespace fs = std::experimental::filesystem;
 namespace fs = std::filesystem;
 #endif
 
-class Battery : public ALabel {
+class Battery : public AButton {
  public:
   Battery(const std::string&, const Json::Value&);
   ~Battery();

include/modules/bluetooth.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #ifdef WANT_RFKILL
 #include "util/rfkill.hpp"
 #endif
@@ -12,7 +12,7 @@
 
 namespace waybar::modules {
 
-class Bluetooth : public ALabel {
+class Bluetooth : public AButton {
   struct ControllerInfo {
     std::string path;
     std::string address;

include/modules/clock.hpp

@@ -2,7 +2,7 @@
 
 #include <date/tz.h>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar {
@@ -14,7 +14,7 @@ namespace modules {
 const std::string kCalendarPlaceholder = "calendar";
 const std::string KTimezonedTimeListPlaceholder = "timezoned_time_list";
 
-class Clock : public ALabel {
+class Clock : public AButton {
  public:
   Clock(const std::string&, const Json::Value&);
   ~Clock() = default;

include/modules/cpu.hpp

@@ -9,12 +9,12 @@
 #include <utility>
 #include <vector>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
 
-class Cpu : public ALabel {
+class Cpu : public AButton {
  public:
   Cpu(const std::string&, const Json::Value&);
   ~Cpu() = default;

include/modules/custom.hpp

@@ -5,14 +5,14 @@
 #include <csignal>
 #include <string>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/command.hpp"
 #include "util/json.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
 
-class Custom : public ALabel {
+class Custom : public AButton {
  public:
   Custom(const std::string&, const std::string&, const Json::Value&);
   ~Custom();

include/modules/disk.hpp

@@ -5,13 +5,13 @@
 
 #include <fstream>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/format.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
 
-class Disk : public ALabel {
+class Disk : public AButton {
  public:
   Disk(const std::string&, const Json::Value&);
   ~Disk() = default;

include/modules/hyprland/backend.hpp

@@ -1,30 +1,28 @@
 #pragma once
-#include <string>
-#include <memory>
-#include <mutex>
 #include <deque>
 #include <functional>
+#include <memory>
+#include <mutex>
+#include <string>
 #include <thread>
 
 namespace waybar::modules::hyprland {
 class IPC {
-public:
+ public:
   IPC() { startIPC(); }
 
   void registerForIPC(const std::string&, std::function<void(const std::string&)>);
 
   std::string getSocket1Reply(const std::string& rq);
 
-private:
+ private:
+  void startIPC();
+  void parseIPC(const std::string&);
 
- void startIPC();
+  std::mutex callbackMutex;
- void parseIPC(const std::string&);
+  std::deque<std::pair<std::string, std::function<void(const std::string&)>>> callbacks;
-
- std::mutex callbackMutex;
- std::deque<std::pair<std::string, std::function<void(const std::string&)>>> callbacks;
 };
 
 inline std::unique_ptr<IPC> gIPC;
 inline bool modulesReady = false;
-};
+};  // namespace waybar::modules::hyprland
-

include/modules/hyprland/language.hpp

@@ -1,20 +1,20 @@
 #include <fmt/format.h>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "bar.hpp"
 #include "modules/hyprland/backend.hpp"
 #include "util/json.hpp"
 
 namespace waybar::modules::hyprland {
 
-class Language : public waybar::ALabel {
+class Language : public waybar::AButton {
-public:
+ public:
   Language(const std::string&, const waybar::Bar&, const Json::Value&);
   ~Language() = default;
 
   auto update() -> void;
 
-private:
+ private:
   void onEvent(const std::string&);
 
   void initLanguage();
@@ -26,4 +26,4 @@ private:
   std::string layoutName_;
 };
 
-}
+}  // namespace waybar::modules::hyprland

include/modules/hyprland/window.hpp

@@ -10,13 +10,13 @@
 namespace waybar::modules::hyprland {
 
 class Window : public waybar::ALabel {
-public:
+ public:
   Window(const std::string&, const waybar::Bar&, const Json::Value&);
   ~Window() = default;
 
   auto update() -> void;
 
-private:
+ private:
   uint getActiveWorkspaceID(std::string);
   std::string getLastWindowTitle(uint);
   void onEvent(const std::string&);
@@ -28,4 +28,4 @@ private:
   std::string lastView;
 };
 
-}
+}  // namespace waybar::modules::hyprland

include/modules/idle_inhibitor.hpp

@@ -2,13 +2,13 @@
 
 #include <fmt/format.h>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "bar.hpp"
 #include "client.hpp"
 
 namespace waybar::modules {
 
-class IdleInhibitor : public ALabel {
+class IdleInhibitor : public AButton {
   sigc::connection timeout_;
 
  public:
@@ -20,6 +20,7 @@ class IdleInhibitor : public ALabel {
 
  private:
   bool handleToggle(GdkEventButton* const& e);
+  void toggleStatus();
 
   const Bar& bar_;
   struct zwp_idle_inhibitor_v1* idle_inhibitor_;

include/modules/inhibitor.hpp

@@ -4,12 +4,12 @@
 
 #include <memory>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "bar.hpp"
 
 namespace waybar::modules {
 
-class Inhibitor : public ALabel {
+class Inhibitor : public AButton {
  public:
   Inhibitor(const std::string&, const waybar::Bar&, const Json::Value&);
   ~Inhibitor() override;

include/modules/jack.hpp

@@ -1,9 +1,11 @@
 #pragma once
 
 #include <fmt/format.h>
-#include <fstream>
 #include <jack/jack.h>
 #include <jack/thread.h>
+
+#include <fstream>
+
 #include "ALabel.hpp"
 #include "util/sleeper_thread.hpp"
 
@@ -11,26 +13,26 @@ namespace waybar::modules {
 
 class JACK : public ALabel {
  public:
-  JACK(const std::string&, const Json::Value&);
+  JACK(const std::string &, const Json::Value &);
   ~JACK() = default;
   auto update() -> void;
 
-  int                 bufSize(jack_nframes_t size);
+  int bufSize(jack_nframes_t size);
-  int                 sampleRate(jack_nframes_t rate);
+  int sampleRate(jack_nframes_t rate);
-  int                 xrun();
+  int xrun();
-  void                shutdown();
+  void shutdown();
 
  private:
-  std::string         JACKState();
+  std::string JACKState();
 
-  jack_client_t*      client_;
+  jack_client_t *client_;
-  jack_nframes_t      bufsize_;
+  jack_nframes_t bufsize_;
-  jack_nframes_t      samplerate_;
+  jack_nframes_t samplerate_;
-  unsigned int        xruns_;
+  unsigned int xruns_;
-  float               load_;
+  float load_;
-  bool                running_;
+  bool running_;
-  std::mutex          mutex_;
+  std::mutex mutex_;
-  std::string         state_;
+  std::string state_;
   util::SleeperThread thread_;
 };
 

include/modules/memory.hpp

@@ -5,12 +5,12 @@
 #include <fstream>
 #include <unordered_map>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
 
-class Memory : public ALabel {
+class Memory : public AButton {
  public:
   Memory(const std::string&, const Json::Value&);
   ~Memory() = default;

include/modules/mpd/mpd.hpp

@@ -7,12 +7,12 @@
 #include <condition_variable>
 #include <thread>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "modules/mpd/state.hpp"
 
 namespace waybar::modules {
 
-class MPD : public ALabel {
+class MPD : public AButton {
   friend class detail::Context;
 
   // State machine

include/modules/mpd/state.hpp

@@ -7,7 +7,7 @@
 #include <condition_variable>
 #include <thread>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 
 namespace waybar::modules {
 class MPD;

include/modules/network.hpp

@@ -10,7 +10,7 @@
 
 #include <optional>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/sleeper_thread.hpp"
 #ifdef WANT_RFKILL
 #include "util/rfkill.hpp"
@@ -18,7 +18,7 @@
 
 namespace waybar::modules {
 
-class Network : public ALabel {
+class Network : public AButton {
  public:
   Network(const std::string&, const Json::Value&);
   ~Network();

include/modules/pulseaudio.hpp

@@ -7,11 +7,11 @@
 #include <algorithm>
 #include <array>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 
 namespace waybar::modules {
 
-class Pulseaudio : public ALabel {
+class Pulseaudio : public AButton {
  public:
   Pulseaudio(const std::string&, const Json::Value&);
   ~Pulseaudio();

include/modules/simpleclock.hpp

@@ -2,12 +2,12 @@
 
 #include <fmt/chrono.h>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
 
-class Clock : public ALabel {
+class Clock : public AButton {
  public:
   Clock(const std::string&, const Json::Value&);
   ~Clock() = default;

include/modules/sndio.hpp

@@ -4,12 +4,12 @@
 
 #include <vector>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
 
-class Sndio : public ALabel {
+class Sndio : public AButton {
  public:
   Sndio(const std::string &, const Json::Value &);
   ~Sndio();

include/modules/sway/language.hpp

@@ -6,7 +6,7 @@
 #include <map>
 #include <string>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "bar.hpp"
 #include "client.hpp"
 #include "modules/sway/ipc/client.hpp"
@@ -14,7 +14,7 @@
 
 namespace waybar::modules::sway {
 
-class Language : public ALabel, public sigc::trackable {
+class Language : public AButton, public sigc::trackable {
  public:
   Language(const std::string& id, const Json::Value& config);
   ~Language() = default;

include/modules/sway/mode.hpp

@@ -2,7 +2,7 @@
 
 #include <fmt/format.h>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "bar.hpp"
 #include "client.hpp"
 #include "modules/sway/ipc/client.hpp"
@@ -10,7 +10,7 @@
 
 namespace waybar::modules::sway {
 
-class Mode : public ALabel, public sigc::trackable {
+class Mode : public AButton, public sigc::trackable {
  public:
   Mode(const std::string&, const Json::Value&);
   ~Mode() = default;

include/modules/temperature.hpp

@@ -4,12 +4,12 @@
 
 #include <fstream>
 
-#include "ALabel.hpp"
+#include "AButton.hpp"
 #include "util/sleeper_thread.hpp"
 
 namespace waybar::modules {
 
-class Temperature : public ALabel {
+class Temperature : public AButton {
  public:
   Temperature(const std::string&, const Json::Value&);
   ~Temperature() = default;

include/util/format.hpp

@@ -56,9 +56,10 @@ struct formatter<pow_format> {
       fraction /= base;
     }
 
-    auto max_width = 4            // coeff in {:.3g} format
+    auto number_width = 5              // coeff in {:.1f} format
-                     + 1          // prefix from units array
+                        + s.binary_;   // potential 4th digit before the decimal point
-                     + s.binary_  // for the 'i' in GiB.
+    auto max_width = number_width + 1  // prefix from units array
+                     + s.binary_       // for the 'i' in GiB.
                      + s.unit_.length();
 
     const char* format;
@@ -69,15 +70,16 @@ struct formatter<pow_format> {
       case '<':
         return format_to(ctx.out(), "{:<{}}", fmt::format("{}", s), max_width);
       case '=':
-        format = "{coefficient:<4.3g}{padding}{prefix}{unit}";
+        format = "{coefficient:<{number_width}.1f}{padding}{prefix}{unit}";
         break;
       case 0:
       default:
-        format = "{coefficient:.3g}{prefix}{unit}";
+        format = "{coefficient:.1f}{prefix}{unit}";
         break;
     }
     return format_to(
         ctx.out(), format, fmt::arg("coefficient", fraction),
+        fmt::arg("number_width", number_width),
         fmt::arg("prefix", std::string() + units[pow] + ((s.binary_ && pow) ? "i" : "")),
         fmt::arg("unit", s.unit_),
         fmt::arg("padding", pow         ? ""

include/util/sanitize_str.hpp

@@ -0,0 +1,6 @@
+#pragma once
+#include <string>
+
+namespace waybar::util {
+std::string sanitize_string(std::string str);
+}  // namespace waybar::util

man/waybar-idle-inhibitor.5.scd

@@ -63,6 +63,11 @@ screensaving, also known as "presentation mode".
 	typeof: double ++
 	Threshold to be used when scrolling.
 
+*start-activated*: ++
+  typeof: bool ++
+  default: *false* ++
+  Whether the inhibit should be activated when starting waybar.
+
 *timeout*: ++
 	typeof: double ++
 	The number of minutes the inhibit should last.

man/waybar-pulseaudio.5.scd

@@ -101,6 +101,10 @@ Additionally you can control the volume by scrolling *up* or *down* while the cu
 	default: 100 ++
 	The maximum volume that can be set, in percentage.
 
+*ignored-sinks*: ++
+	typeof: array ++
+	Sinks in this list will not be shown as the active sink by Waybar. Entries should be the sink's description field.
+
 # FORMAT REPLACEMENTS
 
 *{desc}*: Pulseaudio port's description, for bluetooth it'll be the device name.

meson.build

@@ -143,6 +143,7 @@ endif
 src_files = files(
     'src/factory.cpp',
     'src/AModule.cpp',
+    'src/AButton.cpp',
     'src/ALabel.cpp',
     'src/AIconLabel.cpp',
     'src/modules/custom.cpp',
@@ -154,7 +155,8 @@ src_files = files(
     'src/client.cpp',
     'src/config.cpp',
     'src/group.cpp',
-    'src/util/ustring_clen.cpp'
+    'src/util/ustring_clen.cpp',
+    'src/util/sanitize_str.cpp'
 )
 
 if is_linux

resources/style.css

@@ -34,6 +34,12 @@ window#waybar.chromium {
     border: none;
 }
 
+/* https://github.com/Alexays/Waybar/wiki/FAQ#the-workspace-buttons-have-a-strange-hover-effect */
+button:hover {
+    background: inherit;
+    box-shadow: inset 0 -3px #ffffff;
+}
+
 #workspaces button {
     padding: 0 5px;
     background-color: transparent;
@@ -45,10 +51,8 @@ window#waybar.chromium {
     border-radius: 0;
 }
 
-/* https://github.com/Alexays/Waybar/wiki/FAQ#the-workspace-buttons-have-a-strange-hover-effect */
 #workspaces button:hover {
     background: rgba(0, 0, 0, 0.2);
-    box-shadow: inset 0 -3px #ffffff;
 }
 
 #workspaces button.focused {

src/AButton.cpp

@@ -0,0 +1,154 @@
+#include "AButton.hpp"
+
+#include <fmt/format.h>
+
+#include <util/command.hpp>
+
+namespace waybar {
+
+AButton::AButton(const Json::Value& config, const std::string& name, const std::string& id,
+                 const std::string& format, uint16_t interval, bool ellipsize, bool enable_click,
+                 bool enable_scroll)
+    : AModule(config, name, id, config["format-alt"].isString() || enable_click, enable_scroll),
+      format_(config_["format"].isString() ? config_["format"].asString() : format),
+      interval_(config_["interval"] == "once"
+                    ? std::chrono::seconds(100000000)
+                    : std::chrono::seconds(
+                          config_["interval"].isUInt() ? config_["interval"].asUInt() : interval)),
+      default_format_(format_) {
+  button_.set_name(name);
+  button_.set_relief(Gtk::RELIEF_NONE);
+  if (!id.empty()) {
+    button_.get_style_context()->add_class(id);
+  }
+  event_box_.add(button_);
+  if (config_["max-length"].isUInt()) {
+    label_->set_max_width_chars(config_["max-length"].asInt());
+    label_->set_ellipsize(Pango::EllipsizeMode::ELLIPSIZE_END);
+    label_->set_single_line_mode(true);
+  } else if (ellipsize && label_->get_max_width_chars() == -1) {
+    label_->set_ellipsize(Pango::EllipsizeMode::ELLIPSIZE_END);
+    label_->set_single_line_mode(true);
+  }
+
+  if (config_["min-length"].isUInt()) {
+    label_->set_width_chars(config_["min-length"].asUInt());
+  }
+
+  uint rotate = 0;
+
+  if (config_["rotate"].isUInt()) {
+    rotate = config["rotate"].asUInt();
+    label_->set_angle(rotate);
+  }
+
+  if (config_["align"].isDouble()) {
+    auto align = config_["align"].asFloat();
+    if (rotate == 90 || rotate == 270) {
+      label_->set_yalign(align);
+    } else {
+      label_->set_xalign(align);
+    }
+  }
+
+  if (!(config_["on-click"].isString() || config_["on-click-middle"].isString() ||
+        config_["on-click-backward"].isString() || config_["on-click-forward"].isString() ||
+        config_["on-click-right"].isString() || config_["format-alt"].isString() || enable_click)) {
+    button_.set_sensitive(false);
+  } else {
+    button_.signal_pressed().connect([this] {
+      GdkEventButton* e = (GdkEventButton*)gdk_event_new(GDK_BUTTON_PRESS);
+      e->button = 1;
+      handleToggle(e);
+    });
+  }
+}
+
+auto AButton::update() -> void { AModule::update(); }
+
+std::string AButton::getIcon(uint16_t percentage, const std::string& alt, uint16_t max) {
+  auto format_icons = config_["format-icons"];
+  if (format_icons.isObject()) {
+    if (!alt.empty() && (format_icons[alt].isString() || format_icons[alt].isArray())) {
+      format_icons = format_icons[alt];
+    } else {
+      format_icons = format_icons["default"];
+    }
+  }
+  if (format_icons.isArray()) {
+    auto size = format_icons.size();
+    auto idx = std::clamp(percentage / ((max == 0 ? 100 : max) / size), 0U, size - 1);
+    format_icons = format_icons[idx];
+  }
+  if (format_icons.isString()) {
+    return format_icons.asString();
+  }
+  return "";
+}
+
+std::string AButton::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";
+    for (const auto& alt : alts) {
+      if (!alt.empty() && (format_icons[alt].isString() || format_icons[alt].isArray())) {
+        _alt = alt;
+        break;
+      }
+    }
+    format_icons = format_icons[_alt];
+  }
+  if (format_icons.isArray()) {
+    auto size = format_icons.size();
+    auto idx = std::clamp(percentage / ((max == 0 ? 100 : max) / size), 0U, size - 1);
+    format_icons = format_icons[idx];
+  }
+  if (format_icons.isString()) {
+    return format_icons.asString();
+  }
+  return "";
+}
+
+bool waybar::AButton::handleToggle(GdkEventButton* const& e) {
+  if (config_["format-alt-click"].isUInt() && e->button == config_["format-alt-click"].asUInt()) {
+    alt_ = !alt_;
+    if (alt_ && config_["format-alt"].isString()) {
+      format_ = config_["format-alt"].asString();
+    } else {
+      format_ = default_format_;
+    }
+  }
+  return AModule::handleToggle(e);
+}
+
+std::string AButton::getState(uint8_t value, bool lesser) {
+  if (!config_["states"].isObject()) {
+    return "";
+  }
+  // Get current state
+  std::vector<std::pair<std::string, uint8_t>> states;
+  if (config_["states"].isObject()) {
+    for (auto it = config_["states"].begin(); it != config_["states"].end(); ++it) {
+      if (it->isUInt() && it.key().isString()) {
+        states.emplace_back(it.key().asString(), it->asUInt());
+      }
+    }
+  }
+  // Sort states
+  std::sort(states.begin(), states.end(), [&lesser](auto& a, auto& b) {
+    return lesser ? a.second < b.second : a.second > b.second;
+  });
+  std::string valid_state;
+  for (auto const& state : states) {
+    if ((lesser ? value <= state.second : value >= state.second) && valid_state.empty()) {
+      button_.get_style_context()->add_class(state.first);
+      valid_state = state.first;
+    } else {
+      button_.get_style_context()->remove_class(state.first);
+    }
+  }
+  return valid_state;
+}
+
+}  // namespace waybar

src/modules/backlight.cpp

@@ -87,7 +87,7 @@ int waybar::modules::Backlight::BacklightDev::get_max() const { return max_; }
 void waybar::modules::Backlight::BacklightDev::set_max(int max) { max_ = max; }
 
 waybar::modules::Backlight::Backlight(const std::string &id, const Json::Value &config)
-    : ALabel(config, "backlight", id, "{percent}%", 2),
+    : AButton(config, "backlight", id, "{percent}%", 2),
       preferred_device_(config["device"].isString() ? config["device"].asString() : "") {
   // Get initial state
   {
@@ -174,19 +174,19 @@ auto waybar::modules::Backlight::update() -> void {
 
     const uint8_t percent =
         best->get_max() == 0 ? 100 : round(best->get_actual() * 100.0f / best->get_max());
-    label_.set_markup(fmt::format(format_, fmt::arg("percent", std::to_string(percent)),
+    label_->set_markup(fmt::format(format_, fmt::arg("percent", std::to_string(percent)),
-                                  fmt::arg("icon", getIcon(percent))));
+                                   fmt::arg("icon", getIcon(percent))));
     getState(percent);
   } else {
     if (!previous_best_.has_value()) {
       return;
     }
-    label_.set_markup("");
+    label_->set_markup("");
   }
   previous_best_ = best == nullptr ? std::nullopt : std::optional{*best};
   previous_format_ = format_;
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 template <class ForwardIt>

src/modules/battery.cpp

@@ -3,7 +3,7 @@
 #include <spdlog/spdlog.h>
 
 waybar::modules::Battery::Battery(const std::string& id, const Json::Value& config)
-    : ALabel(config, "battery", id, "{capacity}%", 60) {
+    : AButton(config, "battery", id, "{capacity}%", 60) {
   battery_watch_fd_ = inotify_init1(IN_CLOEXEC);
   if (battery_watch_fd_ == -1) {
     throw std::runtime_error("Unable to listen batteries.");
@@ -108,7 +108,7 @@ void waybar::modules::Battery::refreshBatteries() {
       }
       auto adap_defined = config_["adapter"].isString();
       if (((adap_defined && dir_name == config_["adapter"].asString()) || !adap_defined) &&
-          fs::exists(node.path() / "online")) {
+          (fs::exists(node.path() / "online") || fs::exists(node.path() / "status"))) {
         adapter_ = node.path();
       }
     }
@@ -156,124 +156,305 @@ const std::tuple<uint8_t, float, std::string, float> waybar::modules::Battery::g
   std::lock_guard<std::mutex> guard(battery_list_mutex_);
 
   try {
-    uint32_t total_power = 0;   // μW
+    uint32_t total_power = 0;  // μW
+    bool total_power_exists = false;
     uint32_t total_energy = 0;  // μWh
+    bool total_energy_exists = false;
     uint32_t total_energy_full = 0;
+    bool total_energy_full_exists = false;
     uint32_t total_energy_full_design = 0;
-    uint32_t total_capacity{0};
+    bool total_energy_full_design_exists = false;
+    uint32_t total_capacity = 0;
+    bool total_capacity_exists = false;
+
     std::string status = "Unknown";
     for (auto const& item : batteries_) {
       auto bat = item.first;
-      uint32_t power_now;
-      uint32_t energy_full;
-      uint32_t energy_now;
-      uint32_t energy_full_design;
-      uint32_t capacity{0};
       std::string _status;
       std::getline(std::ifstream(bat / "status"), _status);
 
       // Some battery will report current and charge in μA/μAh.
       // Scale these by the voltage to get μW/μWh.
-      if (fs::exists(bat / "current_now") || fs::exists(bat / "current_avg")) {
+
-        uint32_t voltage_now;
+      uint32_t capacity = 0;
-        uint32_t current_now;
+      bool capacity_exists = false;
-        uint32_t charge_now;
+      if (fs::exists(bat / "capacity")) {
-        uint32_t charge_full;
+        capacity_exists = true;
-        uint32_t charge_full_design;
-        // Some batteries have only *_avg, not *_now
-        if (fs::exists(bat / "voltage_now"))
-          std::ifstream(bat / "voltage_now") >> voltage_now;
-        else
-          std::ifstream(bat / "voltage_avg") >> voltage_now;
-        if (fs::exists(bat / "current_now"))
-          std::ifstream(bat / "current_now") >> current_now;
-        else
-          std::ifstream(bat / "current_avg") >> 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;
-      }  // Gamepads such as PS Dualshock provide the only capacity
-      else if (fs::exists(bat / "energy_now") && fs::exists(bat / "energy_full")) {
-        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;
-      } else {
         std::ifstream(bat / "capacity") >> capacity;
-        power_now = 0;
+      }
-        energy_now = 0;
+
-        energy_full = 0;
+      uint32_t current_now = 0;
-        energy_full_design = 0;
+      bool current_now_exists = false;
+      if (fs::exists(bat / "current_now")) {
+        current_now_exists = true;
+        std::ifstream(bat / "current_now") >> current_now;
+      } else if (fs::exists(bat / "current_avg")) {
+        current_now_exists = true;
+        std::ifstream(bat / "current_avg") >> current_now;
+      }
+
+      uint32_t voltage_now = 0;
+      bool voltage_now_exists = false;
+      if (fs::exists(bat / "voltage_now")) {
+        voltage_now_exists = true;
+        std::ifstream(bat / "voltage_now") >> voltage_now;
+      } else if (fs::exists(bat / "voltage_avg")) {
+        voltage_now_exists = true;
+        std::ifstream(bat / "voltage_avg") >> voltage_now;
+      }
+
+      uint32_t charge_full = 0;
+      bool charge_full_exists = false;
+      if (fs::exists(bat / "charge_full")) {
+        charge_full_exists = true;
+        std::ifstream(bat / "charge_full") >> charge_full;
+      }
+
+      uint32_t charge_full_design = 0;
+      bool charge_full_design_exists = false;
+      if (fs::exists(bat / "charge_full_design")) {
+        charge_full_design_exists = true;
+        std::ifstream(bat / "charge_full_design") >> charge_full_design;
+      }
+
+      uint32_t charge_now = 0;
+      bool charge_now_exists = false;
+      if (fs::exists(bat / "charge_now")) {
+        charge_now_exists = true;
+        std::ifstream(bat / "charge_now") >> charge_now;
+      }
+
+      uint32_t power_now = 0;
+      bool power_now_exists = false;
+      if (fs::exists(bat / "power_now")) {
+        power_now_exists = true;
+        std::ifstream(bat / "power_now") >> power_now;
+      }
+
+      uint32_t energy_now = 0;
+      bool energy_now_exists = false;
+      if (fs::exists(bat / "energy_now")) {
+        energy_now_exists = true;
+        std::ifstream(bat / "energy_now") >> energy_now;
+      }
+
+      uint32_t energy_full = 0;
+      bool energy_full_exists = false;
+      if (fs::exists(bat / "energy_full")) {
+        energy_full_exists = true;
+        std::ifstream(bat / "energy_full") >> energy_full;
+      }
+
+      uint32_t energy_full_design = 0;
+      bool energy_full_design_exists = false;
+      if (fs::exists(bat / "energy_full_design")) {
+        energy_full_design_exists = true;
+        std::ifstream(bat / "energy_full_design") >> energy_full_design;
+      }
+
+      if (!voltage_now_exists) {
+        if (power_now_exists && current_now_exists && current_now != 0) {
+          voltage_now_exists = true;
+          voltage_now = 1000000 * (uint64_t)power_now / (uint64_t)current_now;
+        } else if (energy_full_design_exists && charge_full_design_exists &&
+                   charge_full_design != 0) {
+          voltage_now_exists = true;
+          voltage_now = 1000000 * (uint64_t)energy_full_design / (uint64_t)charge_full_design;
+        } else if (energy_now_exists) {
+          if (charge_now_exists && charge_now != 0) {
+            voltage_now_exists = true;
+            voltage_now = 1000000 * (uint64_t)energy_now / (uint64_t)charge_now;
+          } else if (capacity_exists && charge_full_exists) {
+            charge_now_exists = true;
+            charge_now = (uint64_t)charge_full * (uint64_t)capacity / 100;
+            if (charge_full != 0 && capacity != 0) {
+              voltage_now_exists = true;
+              voltage_now =
+                  1000000 * (uint64_t)energy_now * 100 / (uint64_t)charge_full / (uint64_t)capacity;
+            }
+          }
+        } else if (energy_full_exists) {
+          if (charge_full_exists && charge_full != 0) {
+            voltage_now_exists = true;
+            voltage_now = 1000000 * (uint64_t)energy_full / (uint64_t)charge_full;
+          } else if (charge_now_exists && capacity_exists) {
+            if (capacity != 0) {
+              charge_full_exists = true;
+              charge_full = 100 * (uint64_t)charge_now / (uint64_t)capacity;
+            }
+            if (charge_now != 0) {
+              voltage_now_exists = true;
+              voltage_now =
+                  10000 * (uint64_t)energy_full * (uint64_t)capacity / (uint64_t)charge_now;
+            }
+          }
+        }
+      }
+
+      if (!capacity_exists) {
+        if (charge_now_exists && charge_full_exists && charge_full != 0) {
+          capacity_exists = true;
+          capacity = 100 * (uint64_t)charge_now / (uint64_t)charge_full;
+        } else if (energy_now_exists && energy_full_exists && energy_full != 0) {
+          capacity_exists = true;
+          capacity = 100 * (uint64_t)energy_now / (uint64_t)energy_full;
+        } else if (charge_now_exists && energy_full_exists && voltage_now_exists) {
+          if (!charge_full_exists && voltage_now != 0) {
+            charge_full_exists = true;
+            charge_full = 1000000 * (uint64_t)energy_full / (uint64_t)voltage_now;
+          }
+          if (energy_full != 0) {
+            capacity_exists = true;
+            capacity = (uint64_t)charge_now * (uint64_t)voltage_now / 10000 / (uint64_t)energy_full;
+          }
+        } else if (charge_full_exists && energy_now_exists && voltage_now_exists) {
+          if (!charge_now_exists && voltage_now != 0) {
+            charge_now_exists = true;
+            charge_now = 1000000 * (uint64_t)energy_now / (uint64_t)voltage_now;
+          }
+          if (voltage_now != 0 && charge_full != 0) {
+            capacity_exists = true;
+            capacity = 100 * 1000000 * (uint64_t)energy_now / (uint64_t)voltage_now /
+                       (uint64_t)charge_full;
+          }
+        }
+      }
+
+      if (!energy_now_exists && voltage_now_exists) {
+        if (charge_now_exists) {
+          energy_now_exists = true;
+          energy_now = (uint64_t)charge_now * (uint64_t)voltage_now / 1000000;
+        } else if (capacity_exists && charge_full_exists) {
+          charge_now_exists = true;
+          charge_now = (uint64_t)capacity * (uint64_t)charge_full / 100;
+          energy_now_exists = true;
+          energy_now =
+              (uint64_t)voltage_now * (uint64_t)capacity * (uint64_t)charge_full / 1000000 / 100;
+        } else if (capacity_exists && energy_full) {
+          if (voltage_now != 0) {
+            charge_full_exists = true;
+            charge_full = 1000000 * (uint64_t)energy_full / (uint64_t)voltage_now;
+            charge_now_exists = true;
+            charge_now = (uint64_t)capacity * 10000 * (uint64_t)energy_full / (uint64_t)voltage_now;
+          }
+          energy_now_exists = true;
+          energy_now = (uint64_t)capacity * (uint64_t)energy_full / 100;
+        }
+      }
+
+      if (!energy_full_exists && voltage_now_exists) {
+        if (charge_full_exists) {
+          energy_full_exists = true;
+          energy_full = (uint64_t)charge_full * (uint64_t)voltage_now / 1000000;
+        } else if (charge_now_exists && capacity_exists && capacity != 0) {
+          charge_full_exists = true;
+          charge_full = 100 * (uint64_t)charge_now / (uint64_t)capacity;
+          energy_full_exists = true;
+          energy_full = (uint64_t)charge_now * (uint64_t)voltage_now / (uint64_t)capacity / 10000;
+        } else if (capacity_exists && energy_now) {
+          if (voltage_now != 0) {
+            charge_now_exists = true;
+            charge_now = 1000000 * (uint64_t)energy_now / (uint64_t)voltage_now;
+          }
+          if (capacity != 0) {
+            energy_full_exists = true;
+            energy_full = 100 * (uint64_t)energy_now / (uint64_t)capacity;
+            if (voltage_now != 0) {
+              charge_full_exists = true;
+              charge_full =
+                  100 * 1000000 * (uint64_t)energy_now / (uint64_t)voltage_now / (uint64_t)capacity;
+            }
+          }
+        }
+      }
+
+      if (!power_now_exists && voltage_now_exists && current_now_exists) {
+        power_now_exists = true;
+        power_now = (uint64_t)voltage_now * (uint64_t)current_now / 1000000;
+      }
+
+      if (!energy_full_design_exists && voltage_now_exists && charge_full_design_exists) {
+        energy_full_design_exists = true;
+        energy_full_design = (uint64_t)voltage_now * (uint64_t)charge_full_design / 1000000;
       }
 
       // Show the "smallest" status among all batteries
-      if (status_gt(status, _status)) {
+      if (status_gt(status, _status)) status = _status;
-        status = _status;
+
+      if (power_now_exists) {
+        total_power_exists = true;
+        total_power += power_now;
+      }
+      if (energy_now_exists) {
+        total_energy_exists = true;
+        total_energy += energy_now;
+      }
+      if (energy_full_exists) {
+        total_energy_full_exists = true;
+        total_energy_full += energy_full;
+      }
+      if (energy_full_design_exists) {
+        total_energy_full_design_exists = true;
+        total_energy_full_design += energy_full_design;
+      }
+      if (capacity_exists) {
+        total_capacity_exists = true;
+        total_capacity += capacity;
       }
-      total_power += power_now;
-      total_energy += energy_now;
-      total_energy_full += energy_full;
-      total_energy_full_design += energy_full_design;
-      total_capacity += capacity;
     }
+
     if (!adapter_.empty() && status == "Discharging") {
       bool online;
+      std::string current_status;
       std::ifstream(adapter_ / "online") >> online;
-      if (online) {
+      std::getline(std::ifstream(adapter_ / "status"), current_status);
-        status = "Plugged";
+      if (online && current_status != "Discharging") status = "Plugged";
+    }
+
+    float time_remaining{0.0f};
+    if (status == "Discharging" && total_power_exists && total_energy_exists) {
+      if (total_power != 0) time_remaining = (float)total_energy / total_power;
+    } else if (status == "Charging" && total_energy_exists && total_energy_full_exists &&
+               total_power_exists) {
+      if (total_power != 0)
+        time_remaining = -(float)(total_energy_full - total_energy) / total_power;
+      // If we've turned positive it means the battery is past 100% and so just report that as no
+      // time remaining
+      if (time_remaining > 0.0f) time_remaining = 0.0f;
+    }
+
+    float calculated_capacity{0.0f};
+    if (total_capacity_exists) {
+      if (total_capacity > 0.0f)
+        calculated_capacity = (float)total_capacity;
+      else if (total_energy_full_exists && total_energy_exists) {
+        if (total_energy_full > 0.0f)
+          calculated_capacity = ((float)total_energy * 100.0f / (float)total_energy_full);
       }
     }
-    float time_remaining = 0;
+
-    if (status == "Discharging" && total_power != 0) {
-      time_remaining = (float)total_energy / total_power;
-    } else if (status == "Charging" && total_power != 0) {
-      time_remaining = -(float)(total_energy_full - total_energy) / total_power;
-      if (time_remaining > 0.0f) {
-        // If we've turned positive it means the battery is past 100% and so
-        // just report that as no time remaining
-        time_remaining = 0.0f;
-      }
-    }
-    float capacity{0.0f};
-    if (total_energy_full > 0.0f) {
-      capacity = ((float)total_energy * 100.0f / (float)total_energy_full);
-    } else {
-      capacity = (float)total_capacity;
-    }
     // Handle design-capacity
-    if (config_["design-capacity"].isBool() ? config_["design-capacity"].asBool() : false) {
+    if ((config_["design-capacity"].isBool() ? config_["design-capacity"].asBool() : false) &&
-      capacity = ((float)total_energy * 100.0f / (float)total_energy_full_design);
+        total_energy_exists && total_energy_full_design_exists) {
+      if (total_energy_full_design > 0.0f)
+        calculated_capacity = ((float)total_energy * 100.0f / (float)total_energy_full_design);
     }
+
     // Handle full-at
     if (config_["full-at"].isUInt()) {
       auto full_at = config_["full-at"].asUInt();
-      if (full_at < 100) {
+      if (full_at < 100) calculated_capacity = 100.f * calculated_capacity / full_at;
-        capacity = 100.f * capacity / full_at;
-      }
-    }
-    if (capacity > 100.f) {
-      // This can happen when the battery is calibrating and goes above 100%
-      // Handle it gracefully by clamping at 100%
-      capacity = 100.f;
-    }
-    uint8_t cap = round(capacity);
-    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";
     }
 
+    // Handle it gracefully by clamping at 100%
+    // This can happen when the battery is calibrating and goes above 100%
+    if (calculated_capacity > 100.f) calculated_capacity = 100.f;
+
+    uint8_t cap = round(calculated_capacity);
+    // If we've reached 100% just mark as full as some batteries can stay stuck reporting they're
+    // still charging but not yet done
+    if (cap == 100 && status == "Charging") status = "Full";
+
     return {cap, time_remaining, status, total_power / 1e6};
   } catch (const std::exception& e) {
     spdlog::error("Battery: {}", e.what());
@@ -284,11 +465,13 @@ const std::tuple<uint8_t, float, std::string, float> waybar::modules::Battery::g
 const std::string waybar::modules::Battery::getAdapterStatus(uint8_t capacity) const {
   if (!adapter_.empty()) {
     bool online;
+    std::string status;
     std::ifstream(adapter_ / "online") >> online;
+    std::getline(std::ifstream(adapter_ / "status"), status);
     if (capacity == 100) {
       return "Full";
     }
-    if (online) {
+    if (online && status != "Discharging") {
       return "Plugged";
     }
     return "Discharging";
@@ -309,7 +492,8 @@ const std::string waybar::modules::Battery::formatTimeRemaining(float hoursRemai
     format = config_["format-time"].asString();
   }
   std::string zero_pad_minutes = fmt::format("{:02d}", minutes);
-  return fmt::format(format, fmt::arg("H", full_hours), fmt::arg("M", minutes), fmt::arg("m", zero_pad_minutes));
+  return fmt::format(format, fmt::arg("H", full_hours), fmt::arg("M", minutes),
+                     fmt::arg("m", zero_pad_minutes));
 }
 
 auto waybar::modules::Battery::update() -> void {
@@ -346,14 +530,14 @@ auto waybar::modules::Battery::update() -> void {
     } else if (config_["tooltip-format"].isString()) {
       tooltip_format = config_["tooltip-format"].asString();
     }
-    label_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("timeTo", tooltip_text_default),
+    button_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("timeTo", tooltip_text_default),
-                                        fmt::arg("capacity", capacity),
+                                         fmt::arg("capacity", capacity),
-                                        fmt::arg("time", time_remaining_formatted)));
+                                         fmt::arg("time", time_remaining_formatted)));
   }
   if (!old_status_.empty()) {
-    label_.get_style_context()->remove_class(old_status_);
+    button_.get_style_context()->remove_class(old_status_);
   }
-  label_.get_style_context()->add_class(status);
+  button_.get_style_context()->add_class(status);
   old_status_ = status;
   if (!state.empty() && config_["format-" + status + "-" + state].isString()) {
     format = config_["format-" + status + "-" + state].asString();
@@ -367,10 +551,10 @@ auto waybar::modules::Battery::update() -> void {
   } else {
     event_box_.show();
     auto icons = std::vector<std::string>{status + "-" + state, status, state};
-    label_.set_markup(fmt::format(format, fmt::arg("capacity", capacity), fmt::arg("power", power),
+    label_->set_markup(fmt::format(format, fmt::arg("capacity", capacity), fmt::arg("power", power),
-                                  fmt::arg("icon", getIcon(capacity, icons)),
+                                   fmt::arg("icon", getIcon(capacity, icons)),
-                                  fmt::arg("time", time_remaining_formatted)));
+                                   fmt::arg("time", time_remaining_formatted)));
   }
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }

src/modules/bluetooth.cpp

@@ -80,7 +80,7 @@ auto getUcharProperty(GDBusProxy* proxy, const char* property_name) -> unsigned
 }  // namespace
 
 waybar::modules::Bluetooth::Bluetooth(const std::string& id, const Json::Value& config)
-    : ALabel(config, "bluetooth", id, " {status}", 10),
+    : AButton(config, "bluetooth", id, " {status}", 10),
 #ifdef WANT_RFKILL
       rfkill_{RFKILL_TYPE_BLUETOOTH},
 #endif
@@ -189,10 +189,10 @@ auto waybar::modules::Bluetooth::update() -> void {
   format_.empty() ? event_box_.hide() : event_box_.show();
 
   auto update_style_context = [this](const std::string& style_class, bool in_next_state) {
-    if (in_next_state && !label_.get_style_context()->has_class(style_class)) {
+    if (in_next_state && !button_.get_style_context()->has_class(style_class)) {
-      label_.get_style_context()->add_class(style_class);
+      button_.get_style_context()->add_class(style_class);
-    } else if (!in_next_state && label_.get_style_context()->has_class(style_class)) {
+    } else if (!in_next_state && button_.get_style_context()->has_class(style_class)) {
-      label_.get_style_context()->remove_class(style_class);
+      button_.get_style_context()->remove_class(style_class);
     }
   };
   update_style_context("discoverable", cur_controller_.discoverable);
@@ -204,7 +204,7 @@ auto waybar::modules::Bluetooth::update() -> void {
   update_style_context(state, true);
   state_ = state;
 
-  label_.set_markup(fmt::format(
+  label_->set_markup(fmt::format(
       format_, fmt::arg("status", state_), fmt::arg("num_connections", connected_devices_.size()),
       fmt::arg("controller_address", cur_controller_.address),
       fmt::arg("controller_address_type", cur_controller_.address_type),
@@ -245,7 +245,7 @@ auto waybar::modules::Bluetooth::update() -> void {
         device_enumerate_.erase(0, 1);
       }
     }
-    label_.set_tooltip_text(fmt::format(
+    button_.set_tooltip_text(fmt::format(
         tooltip_format, fmt::arg("status", state_),
         fmt::arg("num_connections", connected_devices_.size()),
         fmt::arg("controller_address", cur_controller_.address),
@@ -259,7 +259,7 @@ auto waybar::modules::Bluetooth::update() -> void {
   }
 
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 // NOTE: only for when the org.bluez.Battery1 interface is added/removed after/before a device is

src/modules/clock.cpp

@@ -18,7 +18,7 @@
 using waybar::waybar_time;
 
 waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
-    : ALabel(config, "clock", id, "{:%H:%M}", 60, false, false, true),
+    : AButton(config, "clock", id, "{:%H:%M}", 60, false, false, true),
       current_time_zone_idx_(0),
       is_calendar_in_tooltip_(false),
       is_timezoned_list_in_tooltip_(false) {
@@ -107,7 +107,7 @@ auto waybar::modules::Clock::update() -> void {
   } else {
     text = fmt::format(format_, wtime);
   }
-  label_.set_markup(text);
+  label_->set_markup(text);
 
   if (tooltipEnabled()) {
     if (config_["tooltip-format"].isString()) {
@@ -119,12 +119,12 @@ auto waybar::modules::Clock::update() -> void {
       text =
           fmt::format(tooltip_format, wtime, fmt::arg(kCalendarPlaceholder.c_str(), calendar_lines),
                       fmt::arg(KTimezonedTimeListPlaceholder.c_str(), timezoned_time_lines));
-      label_.set_tooltip_markup(text);
+      button_.set_tooltip_markup(text);
     }
   }
 
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 bool waybar::modules::Clock::handleScroll(GdkEventScroll* e) {

src/modules/cpu/common.cpp

@@ -10,7 +10,7 @@
 #endif
 
 waybar::modules::Cpu::Cpu(const std::string& id, const Json::Value& config)
-    : ALabel(config, "cpu", id, "{usage}%", 10) {
+    : AButton(config, "cpu", id, "{usage}%", 10) {
   thread_ = [this] {
     dp.emit();
     thread_.sleep_for(interval_);
@@ -23,7 +23,7 @@ auto waybar::modules::Cpu::update() -> void {
   auto [cpu_usage, tooltip] = getCpuUsage();
   auto [max_frequency, min_frequency, avg_frequency] = getCpuFrequency();
   if (tooltipEnabled()) {
-    label_.set_tooltip_text(tooltip);
+    button_.set_tooltip_text(tooltip);
   }
   auto format = format_;
   auto total_usage = cpu_usage.empty() ? 0 : cpu_usage[0];
@@ -52,11 +52,11 @@ auto waybar::modules::Cpu::update() -> void {
       auto icon_format = fmt::format("icon{}", core_i);
       store.push_back(fmt::arg(icon_format.c_str(), getIcon(cpu_usage[i], icons)));
     }
-    label_.set_markup(fmt::vformat(format, store));
+    label_->set_markup(fmt::vformat(format, store));
   }
 
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 double waybar::modules::Cpu::getCpuLoad() {

src/modules/custom.cpp

@@ -4,7 +4,7 @@
 
 waybar::modules::Custom::Custom(const std::string& name, const std::string& id,
                                 const Json::Value& config)
-    : ALabel(config, "custom-" + name, id, "{}"),
+    : AButton(config, "custom-" + name, id, "{}"),
       name_(name),
       id_(id),
       percentage_(0),
@@ -103,13 +103,13 @@ void waybar::modules::Custom::handleEvent() {
 }
 
 bool waybar::modules::Custom::handleScroll(GdkEventScroll* e) {
-  auto ret = ALabel::handleScroll(e);
+  auto ret = AButton::handleScroll(e);
   handleEvent();
   return ret;
 }
 
 bool waybar::modules::Custom::handleToggle(GdkEventButton* const& e) {
-  auto ret = ALabel::handleToggle(e);
+  auto ret = AButton::handleToggle(e);
   handleEvent();
   return ret;
 }
@@ -125,37 +125,39 @@ auto waybar::modules::Custom::update() -> void {
     } else {
       parseOutputRaw();
     }
-    auto str = fmt::format(format_, text_, fmt::arg("alt", alt_),
+    auto str = fmt::format(format_, Glib::Markup::escape_text(text_).raw(), fmt::arg("alt", alt_),
                            fmt::arg("icon", getIcon(percentage_, alt_)),
                            fmt::arg("percentage", percentage_));
     if (str.empty()) {
       event_box_.hide();
     } else {
-      label_.set_markup(str);
+      label_->set_markup(str);
       if (tooltipEnabled()) {
         if (text_ == tooltip_) {
-          if (label_.get_tooltip_markup() != str) {
+          if (button_.get_tooltip_markup() != str) {
-            label_.set_tooltip_markup(str);
+            button_.set_tooltip_markup(str);
           }
         } else {
-          if (label_.get_tooltip_markup() != tooltip_) {
+          if (button_.get_tooltip_markup() != tooltip_) {
-            label_.set_tooltip_markup(tooltip_);
+            button_.set_tooltip_markup(tooltip_);
           }
         }
       }
-      auto classes = label_.get_style_context()->list_classes();
+      auto classes = button_.get_style_context()->list_classes();
       for (auto const& c : classes) {
         if (c == id_) continue;
-        label_.get_style_context()->remove_class(c);
+        button_.get_style_context()->remove_class(c);
       }
       for (auto const& c : class_) {
-        label_.get_style_context()->add_class(c);
+        button_.get_style_context()->add_class(c);
       }
+      button_.get_style_context()->add_class("flat");
+      button_.get_style_context()->add_class("text-button");
       event_box_.show();
     }
   }
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 void waybar::modules::Custom::parseOutputRaw() {

src/modules/disk.cpp

@@ -3,7 +3,7 @@
 using namespace waybar::util;
 
 waybar::modules::Disk::Disk(const std::string& id, const Json::Value& config)
-    : ALabel(config, "disk", id, "{}%", 30), path_("/") {
+    : AButton(config, "disk", id, "{}%", 30), path_("/") {
   thread_ = [this] {
     dp.emit();
     thread_.sleep_for(interval_);
@@ -58,7 +58,7 @@ auto waybar::modules::Disk::update() -> void {
     event_box_.hide();
   } else {
     event_box_.show();
-    label_.set_markup(
+    label_->set_markup(
         fmt::format(format, stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
                     fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks),
                     fmt::arg("used", used), fmt::arg("percentage_used", percentage_used),
@@ -70,12 +70,12 @@ auto waybar::modules::Disk::update() -> void {
     if (config_["tooltip-format"].isString()) {
       tooltip_format = config_["tooltip-format"].asString();
     }
-    label_.set_tooltip_text(
+    button_.set_tooltip_text(
         fmt::format(tooltip_format, stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
                     fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks),
                     fmt::arg("used", used), fmt::arg("percentage_used", percentage_used),
                     fmt::arg("total", total), fmt::arg("path", path_)));
   }
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }

src/modules/hyprland/language.cpp

@@ -4,12 +4,14 @@
 #include <xkbcommon/xkbcommon.h>
 #include <xkbcommon/xkbregistry.h>
 
+#include <util/sanitize_str.hpp>
+
 #include "modules/hyprland/backend.hpp"
 
 namespace waybar::modules::hyprland {
 
 Language::Language(const std::string& id, const Bar& bar, const Json::Value& config)
-    : ALabel(config, "language", id, "{}", 0, true), bar_(bar) {
+    : AButton(config, "language", id, "{}", 0, true), bar_(bar) {
   modulesReady = true;
 
   if (!gIPC.get()) {
@@ -19,8 +21,8 @@ Language::Language(const std::string& id, const Bar& bar, const Json::Value& con
   // get the active layout when open
   initLanguage();
 
-  label_.hide();
+  button_.hide();
-  ALabel::update();
+  AButton::update();
 
   // register for hyprland ipc
   gIPC->registerForIPC("activelayout", [&](const std::string& ev) { this->onEvent(ev); });
@@ -30,13 +32,13 @@ auto Language::update() -> void {
   std::lock_guard<std::mutex> lg(mutex_);
 
   if (!format_.empty()) {
-    label_.show();
+    button_.show();
-    label_.set_markup(layoutName_);
+    label_->set_markup(layoutName_);
   } else {
-    label_.hide();
+    button_.hide();
   }
 
-  ALabel::update();
+  AButton::update();
 }
 
 void Language::onEvent(const std::string& ev) {
@@ -48,16 +50,6 @@ void Language::onEvent(const std::string& ev) {
   if (config_.isMember("keyboard-name") && keebName != config_["keyboard-name"].asString())
     return;  // ignore
 
-  auto replaceAll = [](std::string str, const std::string& from,
-                       const std::string& to) -> std::string {
-    size_t start_pos = 0;
-    while ((start_pos = str.find(from, start_pos)) != std::string::npos) {
-      str.replace(start_pos, from.length(), to);
-      start_pos += to.length();
-    }
-    return str;
-  };
-
   const auto BRIEFNAME = getShortFrom(layoutName);
 
   if (config_.isMember("format-" + BRIEFNAME)) {
@@ -67,7 +59,7 @@ void Language::onEvent(const std::string& ev) {
     layoutName = fmt::format(format_, layoutName);
   }
 
-  layoutName = replaceAll(layoutName, "&", "&amp;");
+  layoutName = waybar::util::sanitize_string(layoutName);
 
   if (layoutName == layoutName_) return;
 
@@ -128,4 +120,4 @@ std::string Language::getShortFrom(const std::string& fullName) {
   return "";
 }
 
-}  // namespace waybar::modules::hyprland
+}  // namespace waybar::modules::hyprland

src/modules/hyprland/window.cpp

@@ -2,6 +2,8 @@
 
 #include <spdlog/spdlog.h>
 
+#include <util/sanitize_str.hpp>
+
 #include "modules/hyprland/backend.hpp"
 #include "util/command.hpp"
 #include "util/json.hpp"
@@ -72,17 +74,7 @@ void Window::onEvent(const std::string& ev) {
     windowName = ev.substr(ev.find_first_of(',') + 1).substr(0, 256);
   }
 
-  auto replaceAll = [](std::string str, const std::string& from,
+  windowName = waybar::util::sanitize_string(windowName);
-                       const std::string& to) -> std::string {
-    size_t start_pos = 0;
-    while ((start_pos = str.find(from, start_pos)) != std::string::npos) {
-      str.replace(start_pos, from.length(), to);
-      start_pos += to.length();
-    }
-    return str;
-  };
-
-  windowName = replaceAll(windowName, "&", "&amp;");
 
   if (windowName == lastView) return;
 

src/modules/idle_inhibitor.cpp

@@ -8,7 +8,7 @@ bool waybar::modules::IdleInhibitor::status = false;
 
 waybar::modules::IdleInhibitor::IdleInhibitor(const std::string& id, const Bar& bar,
                                               const Json::Value& config)
-    : ALabel(config, "idle_inhibitor", id, "{status}"),
+    : AButton(config, "idle_inhibitor", id, "{status}", 0, false, true),
       bar_(bar),
       idle_inhibitor_(nullptr),
       pid_(-1) {
@@ -16,6 +16,11 @@ waybar::modules::IdleInhibitor::IdleInhibitor(const std::string& id, const Bar&
     throw std::runtime_error("idle-inhibit not available");
   }
 
+  if (waybar::modules::IdleInhibitor::modules.empty() && config_["start-activated"].isBool() &&
+      config_["start-activated"].asBool() != status) {
+    toggleStatus();
+  }
+
   event_box_.add_events(Gdk::BUTTON_PRESS_MASK);
   event_box_.signal_button_press_event().connect(
       sigc::mem_fun(*this, &IdleInhibitor::handleToggle));
@@ -44,13 +49,13 @@ waybar::modules::IdleInhibitor::~IdleInhibitor() {
 auto waybar::modules::IdleInhibitor::update() -> void {
   // Check status
   if (status) {
-    label_.get_style_context()->remove_class("deactivated");
+    button_.get_style_context()->remove_class("deactivated");
     if (idle_inhibitor_ == nullptr) {
       idle_inhibitor_ = zwp_idle_inhibit_manager_v1_create_inhibitor(
           waybar::Client::inst()->idle_inhibit_manager, bar_.surface);
     }
   } else {
-    label_.get_style_context()->remove_class("activated");
+    button_.get_style_context()->remove_class("activated");
     if (idle_inhibitor_ != nullptr) {
       zwp_idle_inhibitor_v1_destroy(idle_inhibitor_);
       idle_inhibitor_ = nullptr;
@@ -58,11 +63,11 @@ auto waybar::modules::IdleInhibitor::update() -> void {
   }
 
   std::string status_text = status ? "activated" : "deactivated";
-  label_.set_markup(fmt::format(format_, fmt::arg("status", status_text),
+  label_->set_markup(fmt::format(format_, fmt::arg("status", status_text),
-                                fmt::arg("icon", getIcon(0, status_text))));
+                                 fmt::arg("icon", getIcon(0, status_text))));
-  label_.get_style_context()->add_class(status_text);
+  button_.get_style_context()->add_class(status_text);
   if (tooltipEnabled()) {
-    label_.set_tooltip_markup(
+    button_.set_tooltip_markup(
         status ? fmt::format(config_["tooltip-format-activated"].isString()
                                  ? config_["tooltip-format-activated"].asString()
                                  : "{status}",
@@ -75,37 +80,41 @@ auto waybar::modules::IdleInhibitor::update() -> void {
                              fmt::arg("icon", getIcon(0, status_text))));
   }
   // Call parent update
-  ALabel::update();
+  AButton::update();
+}
+
+void waybar::modules::IdleInhibitor::toggleStatus() {
+  status = !status;
+
+  if (timeout_.connected()) {
+    /* cancel any already active timeout handler */
+    timeout_.disconnect();
+  }
+
+  if (status && config_["timeout"].isNumeric()) {
+    auto timeoutMins = config_["timeout"].asDouble();
+    int timeoutSecs = timeoutMins * 60;
+
+    timeout_ = Glib::signal_timeout().connect_seconds(
+        []() {
+          /* intentionally not tied to a module instance lifetime
+           * as the output with `this` can be disconnected
+           */
+          spdlog::info("deactivating idle_inhibitor by timeout");
+          status = false;
+          for (auto const& module : waybar::modules::IdleInhibitor::modules) {
+            module->update();
+          }
+          /* disconnect */
+          return false;
+        },
+        timeoutSecs);
+  }
 }
 
 bool waybar::modules::IdleInhibitor::handleToggle(GdkEventButton* const& e) {
   if (e->button == 1) {
-    status = !status;
+    toggleStatus();
-
-    if (timeout_.connected()) {
-      /* cancel any already active timeout handler */
-      timeout_.disconnect();
-    }
-
-    if (status && config_["timeout"].isNumeric()) {
-      auto timeoutMins = config_["timeout"].asDouble();
-      int timeoutSecs = timeoutMins * 60;
-
-      timeout_ = Glib::signal_timeout().connect_seconds(
-          []() {
-            /* intentionally not tied to a module instance lifetime
-             * as the output with `this` can be disconnected
-             */
-            spdlog::info("deactivating idle_inhibitor by timeout");
-            status = false;
-            for (auto const& module : waybar::modules::IdleInhibitor::modules) {
-              module->update();
-            }
-            /* disconnect */
-            return false;
-          },
-          timeoutSecs);
-    }
 
     // Make all other idle inhibitor modules update
     for (auto const& module : waybar::modules::IdleInhibitor::modules) {
@@ -115,6 +124,6 @@ bool waybar::modules::IdleInhibitor::handleToggle(GdkEventButton* const& e) {
     }
   }
 
-  ALabel::handleToggle(e);
+  AButton::handleToggle(e);
   return true;
 }

src/modules/inhibitor.cpp

@@ -98,7 +98,7 @@ auto getInhibitors(const Json::Value& config) -> std::string {
 namespace waybar::modules {
 
 Inhibitor::Inhibitor(const std::string& id, const Bar& bar, const Json::Value& config)
-    : ALabel(config, "inhibitor", id, "{status}", true),
+    : AButton(config, "inhibitor", id, "{status}", true),
       dbus_(::dbus()),
       inhibitors_(::getInhibitors(config)) {
   event_box_.add_events(Gdk::BUTTON_PRESS_MASK);
@@ -117,16 +117,16 @@ auto Inhibitor::activated() -> bool { return handle_ != -1; }
 auto Inhibitor::update() -> void {
   std::string status_text = activated() ? "activated" : "deactivated";
 
-  label_.get_style_context()->remove_class(activated() ? "deactivated" : "activated");
+  button_.get_style_context()->remove_class(activated() ? "deactivated" : "activated");
-  label_.set_markup(fmt::format(format_, fmt::arg("status", status_text),
+  label_->set_markup(fmt::format(format_, fmt::arg("status", status_text),
-                                fmt::arg("icon", getIcon(0, status_text))));
+                                 fmt::arg("icon", getIcon(0, status_text))));
-  label_.get_style_context()->add_class(status_text);
+  button_.get_style_context()->add_class(status_text);
 
   if (tooltipEnabled()) {
-    label_.set_tooltip_text(status_text);
+    button_.set_tooltip_text(status_text);
   }
 
-  return ALabel::update();
+  return AButton::update();
 }
 
 auto Inhibitor::handleToggle(GdkEventButton* const& e) -> bool {
@@ -142,7 +142,7 @@ auto Inhibitor::handleToggle(GdkEventButton* const& e) -> bool {
     }
   }
 
-  return ALabel::handleToggle(e);
+  return AButton::handleToggle(e);
 }
 
 }  // namespace waybar::modules

src/modules/memory/common.cpp

@@ -1,7 +1,7 @@
 #include "modules/memory.hpp"
 
 waybar::modules::Memory::Memory(const std::string& id, const Json::Value& config)
-    : ALabel(config, "memory", id, "{}%", 30) {
+    : AButton(config, "memory", id, "{}%", 30) {
   thread_ = [this] {
     dp.emit();
     thread_.sleep_for(interval_);
@@ -54,7 +54,7 @@ auto waybar::modules::Memory::update() -> void {
     } else {
       event_box_.show();
       auto icons = std::vector<std::string>{state};
-      label_.set_markup(fmt::format(
+      label_->set_markup(fmt::format(
           format, used_ram_percentage, fmt::arg("icon", getIcon(used_ram_percentage, icons)),
           fmt::arg("total", total_ram_gigabytes), fmt::arg("swapTotal", total_swap_gigabytes),
           fmt::arg("percentage", used_ram_percentage),
@@ -66,7 +66,7 @@ auto waybar::modules::Memory::update() -> void {
     if (tooltipEnabled()) {
       if (config_["tooltip-format"].isString()) {
         auto tooltip_format = config_["tooltip-format"].asString();
-        label_.set_tooltip_text(fmt::format(
+        button_.set_tooltip_text(fmt::format(
             tooltip_format, used_ram_percentage, fmt::arg("total", total_ram_gigabytes),
             fmt::arg("swapTotal", total_swap_gigabytes),
             fmt::arg("percentage", used_ram_percentage),
@@ -74,12 +74,12 @@ auto waybar::modules::Memory::update() -> void {
             fmt::arg("swapUsed", used_swap_gigabytes), fmt::arg("avail", available_ram_gigabytes),
             fmt::arg("swapAvail", available_swap_gigabytes)));
       } else {
-        label_.set_tooltip_text(fmt::format("{:.{}f}GiB used", used_ram_gigabytes, 1));
+        button_.set_tooltip_text(fmt::format("{:.{}f}GiB used", used_ram_gigabytes, 1));
       }
     }
   } else {
     event_box_.hide();
   }
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }

src/modules/mpd/mpd.cpp

@@ -4,6 +4,9 @@
 #include <glibmm/ustring.h>
 #include <spdlog/spdlog.h>
 
+#include <util/sanitize_str.hpp>
+using namespace waybar::util;
+
 #include "modules/mpd/state.hpp"
 #if defined(MPD_NOINLINE)
 namespace waybar::modules {
@@ -12,7 +15,7 @@ namespace waybar::modules {
 #endif
 
 waybar::modules::MPD::MPD(const std::string& id, const Json::Value& config)
-    : ALabel(config, "mpd", id, "{album} - {artist} - {title}", 5),
+    : AButton(config, "mpd", id, "{album} - {artist} - {title}", 5, false, true),
       module_name_(id.empty() ? "mpd" : "mpd#" + id),
       server_(nullptr),
       port_(config_["port"].isUInt() ? config["port"].asUInt() : 0),
@@ -44,7 +47,7 @@ auto waybar::modules::MPD::update() -> void {
   context_.update();
 
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 void waybar::modules::MPD::queryMPD() {
@@ -85,15 +88,15 @@ std::string waybar::modules::MPD::getFilename() const {
 
 void waybar::modules::MPD::setLabel() {
   if (connection_ == nullptr) {
-    label_.get_style_context()->add_class("disconnected");
+    button_.get_style_context()->add_class("disconnected");
-    label_.get_style_context()->remove_class("stopped");
+    button_.get_style_context()->remove_class("stopped");
-    label_.get_style_context()->remove_class("playing");
+    button_.get_style_context()->remove_class("playing");
-    label_.get_style_context()->remove_class("paused");
+    button_.get_style_context()->remove_class("paused");
 
     auto format = config_["format-disconnected"].isString()
                       ? config_["format-disconnected"].asString()
                       : "disconnected";
-    label_.set_markup(format);
+    label_->set_markup(format);
 
     if (tooltipEnabled()) {
       std::string tooltip_format;
@@ -101,11 +104,11 @@ void waybar::modules::MPD::setLabel() {
                            ? config_["tooltip-format-disconnected"].asString()
                            : "MPD (disconnected)";
       // Nothing to format
-      label_.set_tooltip_text(tooltip_format);
+      button_.set_tooltip_text(tooltip_format);
     }
     return;
   } else {
-    label_.get_style_context()->remove_class("disconnected");
+    button_.get_style_context()->remove_class("disconnected");
   }
 
   auto format = format_;
@@ -118,29 +121,29 @@ void waybar::modules::MPD::setLabel() {
   if (stopped()) {
     format =
         config_["format-stopped"].isString() ? config_["format-stopped"].asString() : "stopped";
-    label_.get_style_context()->add_class("stopped");
+    button_.get_style_context()->add_class("stopped");
-    label_.get_style_context()->remove_class("playing");
+    button_.get_style_context()->remove_class("playing");
-    label_.get_style_context()->remove_class("paused");
+    button_.get_style_context()->remove_class("paused");
   } else {
-    label_.get_style_context()->remove_class("stopped");
+    button_.get_style_context()->remove_class("stopped");
     if (playing()) {
-      label_.get_style_context()->add_class("playing");
+      button_.get_style_context()->add_class("playing");
-      label_.get_style_context()->remove_class("paused");
+      button_.get_style_context()->remove_class("paused");
     } else if (paused()) {
       format = config_["format-paused"].isString() ? config_["format-paused"].asString()
                                                    : config_["format"].asString();
-      label_.get_style_context()->add_class("paused");
+      button_.get_style_context()->add_class("paused");
-      label_.get_style_context()->remove_class("playing");
+      button_.get_style_context()->remove_class("playing");
     }
 
     stateIcon = getStateIcon();
 
-    artist = getTag(MPD_TAG_ARTIST);
+    artist = sanitize_string(getTag(MPD_TAG_ARTIST));
-    album_artist = getTag(MPD_TAG_ALBUM_ARTIST);
+    album_artist = sanitize_string(getTag(MPD_TAG_ALBUM_ARTIST));
-    album = getTag(MPD_TAG_ALBUM);
+    album = sanitize_string(getTag(MPD_TAG_ALBUM));
-    title = getTag(MPD_TAG_TITLE);
+    title = sanitize_string(getTag(MPD_TAG_TITLE));
-    date = getTag(MPD_TAG_DATE);
+    date = sanitize_string(getTag(MPD_TAG_DATE));
-    filename = getFilename();
+    filename = sanitize_string(getFilename());
     song_pos = mpd_status_get_song_pos(status_.get()) + 1;
     volume = mpd_status_get_volume(status_.get());
     if (volume < 0) {
@@ -166,7 +169,7 @@ void waybar::modules::MPD::setLabel() {
   if (config_["title-len"].isInt()) title = title.substr(0, config_["title-len"].asInt());
 
   try {
-    label_.set_markup(fmt::format(
+    label_->set_markup(fmt::format(
         format, fmt::arg("artist", Glib::Markup::escape_text(artist).raw()),
         fmt::arg("albumArtist", Glib::Markup::escape_text(album_artist).raw()),
         fmt::arg("album", Glib::Markup::escape_text(album).raw()),
@@ -195,7 +198,7 @@ void waybar::modules::MPD::setLabel() {
                       fmt::arg("queueLength", queue_length), fmt::arg("stateIcon", stateIcon),
                       fmt::arg("consumeIcon", consumeIcon), fmt::arg("randomIcon", randomIcon),
                       fmt::arg("repeatIcon", repeatIcon), fmt::arg("singleIcon", singleIcon));
-      label_.set_tooltip_text(tooltip_text);
+      button_.set_tooltip_text(tooltip_text);
     } catch (fmt::format_error const& e) {
       spdlog::warn("mpd: format error (tooltip): {}", e.what());
     }

src/modules/network.cpp

@@ -78,7 +78,7 @@ waybar::modules::Network::readBandwidthUsage() {
 }
 
 waybar::modules::Network::Network(const std::string &id, const Json::Value &config)
-    : ALabel(config, "network", id, DEFAULT_FORMAT, 60),
+    : AButton(config, "network", id, DEFAULT_FORMAT, 60),
       ifid_(-1),
       family_(config["family"] == "ipv6" ? AF_INET6 : AF_INET),
       efd_(-1),
@@ -95,11 +95,11 @@ waybar::modules::Network::Network(const std::string &id, const Json::Value &conf
 #endif
       frequency_(0.0) {
 
-  // Start with some "text" in the module's label_, update() will then
+  // 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>");
+  label_->set_markup("<s></s>");
 
   auto bandwidth = readBandwidthUsage();
   if (bandwidth.has_value()) {
@@ -309,8 +309,8 @@ auto waybar::modules::Network::update() -> void {
 
   if (!alt_) {
     auto state = getNetworkState();
-    if (!state_.empty() && label_.get_style_context()->has_class(state_)) {
+    if (!state_.empty() && button_.get_style_context()->has_class(state_)) {
-      label_.get_style_context()->remove_class(state_);
+      button_.get_style_context()->remove_class(state_);
     }
     if (config_["format-" + state].isString()) {
       default_format_ = config_["format-" + state].asString();
@@ -322,8 +322,8 @@ auto waybar::modules::Network::update() -> void {
     if (config_["tooltip-format-" + state].isString()) {
       tooltip_format = config_["tooltip-format-" + state].asString();
     }
-    if (!label_.get_style_context()->has_class(state)) {
+    if (!button_.get_style_context()->has_class(state)) {
-      label_.get_style_context()->add_class(state);
+      button_.get_style_context()->add_class(state);
     }
     format_ = default_format_;
     state_ = state;
@@ -349,8 +349,8 @@ auto waybar::modules::Network::update() -> void {
       fmt::arg("bandwidthUpBytes", pow_format(bandwidth_up / interval_.count(), "B/s")),
       fmt::arg("bandwidthTotalBytes",
                pow_format((bandwidth_up + bandwidth_down) / interval_.count(), "B/s")));
-  if (text.compare(label_.get_label()) != 0) {
+  if (text.compare(label_->get_label()) != 0) {
-    label_.set_markup(text);
+    label_->set_markup(text);
     if (text.empty()) {
       event_box_.hide();
     } else {
@@ -382,16 +382,16 @@ auto waybar::modules::Network::update() -> void {
           fmt::arg("bandwidthUpBytes", pow_format(bandwidth_up / interval_.count(), "B/s")),
           fmt::arg("bandwidthTotalBytes",
                    pow_format((bandwidth_up + bandwidth_down) / interval_.count(), "B/s")));
-      if (label_.get_tooltip_text() != tooltip_text) {
+      if (button_.get_tooltip_text() != tooltip_text) {
-        label_.set_tooltip_markup(tooltip_text);
+        button_.set_tooltip_markup(tooltip_text);
       }
-    } else if (label_.get_tooltip_text() != text) {
+    } else if (button_.get_tooltip_text() != text) {
-      label_.set_tooltip_markup(text);
+      button_.set_tooltip_markup(text);
     }
   }
 
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 bool waybar::modules::Network::checkInterface(std::string name) {

src/modules/pulseaudio.cpp

@@ -1,7 +1,7 @@
 #include "modules/pulseaudio.hpp"
 
 waybar::modules::Pulseaudio::Pulseaudio(const std::string &id, const Json::Value &config)
-    : ALabel(config, "pulseaudio", id, "{volume}%"),
+    : AButton(config, "pulseaudio", id, "{volume}%"),
       mainloop_(nullptr),
       mainloop_api_(nullptr),
       context_(nullptr),
@@ -91,19 +91,31 @@ bool waybar::modules::Pulseaudio::handleScroll(GdkEventScroll *e) {
   pa_volume_t change = volume_tick;
   pa_cvolume pa_volume = pa_volume_;
   int max_volume = 100;
+  double step = 1;
   // isDouble returns true for integers as well, just in case
   if (config_["scroll-step"].isDouble()) {
-    change = round(config_["scroll-step"].asDouble() * volume_tick);
+    step = config_["scroll-step"].asDouble();
   }
   if (config_["max-volume"].isInt()) {
-    max_volume = std::min(0, config_["max-volume"].asInt());
+    max_volume = std::min(config_["max-volume"].asInt(), static_cast<int>(PA_VOLUME_UI_MAX));
   }
+
   if (dir == SCROLL_DIR::UP) {
-    if (volume_ + 1 <= max_volume) {
+    if (volume_ < max_volume) {
+      if (volume_ + step > max_volume) {
+        change = round((max_volume - volume_) * volume_tick);
+      } else {
+        change = round(step * volume_tick);
+      }
       pa_cvolume_inc(&pa_volume, change);
     }
   } else if (dir == SCROLL_DIR::DOWN) {
-    if (volume_ - 1 >= 0) {
+    if (volume_ > 0) {
+      if (volume_ - step < 0) {
+        change = round(volume_ * volume_tick);
+      } else {
+        change = round(step * volume_tick);
+      }
       pa_cvolume_dec(&pa_volume, change);
     }
   }
@@ -170,6 +182,15 @@ void waybar::modules::Pulseaudio::sinkInfoCb(pa_context * /*context*/, const pa_
   if (i == nullptr) return;
 
   auto pa = static_cast<waybar::modules::Pulseaudio *>(data);
+
+  if (pa->config_["ignored-sinks"].isArray()) {
+    for (const auto &ignored_sink : pa->config_["ignored-sinks"]) {
+      if (ignored_sink.asString() == i->description) {
+        return;
+      }
+    }
+  }
+
   if (pa->current_sink_name_ == i->name) {
     if (i->state != PA_SINK_RUNNING) {
       pa->current_sink_running_ = false;
@@ -240,9 +261,9 @@ auto waybar::modules::Pulseaudio::update() -> void {
     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");
+      button_.get_style_context()->add_class("bluetooth");
     } else {
-      label_.get_style_context()->remove_class("bluetooth");
+      button_.get_style_context()->remove_class("bluetooth");
     }
     if (muted_) {
       // Check muted bluetooth format exist, otherwise fallback to default muted format
@@ -250,29 +271,29 @@ auto waybar::modules::Pulseaudio::update() -> void {
         format_name = "format";
       }
       format_name = format_name + "-muted";
-      label_.get_style_context()->add_class("muted");
+      button_.get_style_context()->add_class("muted");
-      label_.get_style_context()->add_class("sink-muted");
+      button_.get_style_context()->add_class("sink-muted");
     } else {
-      label_.get_style_context()->remove_class("muted");
+      button_.get_style_context()->remove_class("muted");
-      label_.get_style_context()->remove_class("sink-muted");
+      button_.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_) {
-    label_.get_style_context()->add_class("source-muted");
+    button_.get_style_context()->add_class("source-muted");
     if (config_["format-source-muted"].isString()) {
       format_source = config_["format-source-muted"].asString();
     }
   } else {
-    label_.get_style_context()->remove_class("source-muted");
+    button_.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(
+  label_->set_markup(fmt::format(
       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()))));
@@ -283,16 +304,16 @@ auto waybar::modules::Pulseaudio::update() -> void {
       tooltip_format = config_["tooltip-format"].asString();
     }
     if (!tooltip_format.empty()) {
-      label_.set_tooltip_text(fmt::format(
+      button_.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_);
+      button_.set_tooltip_text(desc_);
     }
   }
 
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }

src/modules/simpleclock.cpp

@@ -3,7 +3,7 @@
 #include <time.h>
 
 waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
-    : ALabel(config, "clock", id, "{:%H:%M}", 60) {
+    : AButton(config, "clock", id, "{:%H:%M}", 60) {
   thread_ = [this] {
     dp.emit();
     auto now = std::chrono::system_clock::now();
@@ -19,17 +19,17 @@ auto waybar::modules::Clock::update() -> void {
   auto now = std::chrono::system_clock::now();
   auto localtime = fmt::localtime(std::chrono::system_clock::to_time_t(now));
   auto text = fmt::format(format_, localtime);
-  label_.set_markup(text);
+  label_->set_markup(text);
 
   if (tooltipEnabled()) {
     if (config_["tooltip-format"].isString()) {
       auto tooltip_format = config_["tooltip-format"].asString();
       auto tooltip_text = fmt::format(tooltip_format, localtime);
-      label_.set_tooltip_text(tooltip_text);
+      button_.set_tooltip_text(tooltip_text);
     } else {
-      label_.set_tooltip_text(text);
+      button_.set_tooltip_text(text);
     }
   }
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }

src/modules/sndio.cpp

@@ -41,7 +41,7 @@ auto Sndio::connect_to_sndio() -> void {
 }
 
 Sndio::Sndio(const std::string &id, const Json::Value &config)
-    : ALabel(config, "sndio", id, "{volume}%", 1),
+    : AButton(config, "sndio", id, "{volume}%", 1, false, true),
       hdl_(nullptr),
       pfds_(0),
       addr_(0),
@@ -105,14 +105,14 @@ auto Sndio::update() -> void {
   unsigned int vol = 100. * static_cast<double>(volume_) / static_cast<double>(maxval_);
 
   if (volume_ == 0) {
-    label_.get_style_context()->add_class("muted");
+    button_.get_style_context()->add_class("muted");
   } else {
-    label_.get_style_context()->remove_class("muted");
+    button_.get_style_context()->remove_class("muted");
   }
 
-  label_.set_markup(fmt::format(format, fmt::arg("volume", vol), fmt::arg("raw_value", volume_)));
+  label_->set_markup(fmt::format(format, fmt::arg("volume", vol), fmt::arg("raw_value", volume_)));
 
-  ALabel::update();
+  AButton::update();
 }
 
 auto Sndio::set_desc(struct sioctl_desc *d, unsigned int val) -> void {

src/modules/sway/language.cpp

@@ -18,7 +18,7 @@ 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) {
+    : AButton(config, "language", id, "{}", 0, true) {
   is_variant_displayed = format_.find("{variant}") != std::string::npos;
   if (format_.find("{}") != std::string::npos || format_.find("{short}") != std::string::npos) {
     displayed_short_flag |= static_cast<std::byte>(DispayedShortFlag::ShortName);
@@ -99,7 +99,7 @@ auto Language::update() -> void {
       format_, fmt::arg("short", layout_.short_name),
       fmt::arg("shortDescription", layout_.short_description), fmt::arg("long", layout_.full_name),
       fmt::arg("variant", layout_.variant), fmt::arg("flag", layout_.country_flag())));
-  label_.set_markup(display_layout);
+  label_->set_markup(display_layout);
   if (tooltipEnabled()) {
     if (tooltip_format_ != "") {
       auto tooltip_display_layout = trim(
@@ -107,22 +107,22 @@ auto Language::update() -> void {
                       fmt::arg("shortDescription", layout_.short_description),
                       fmt::arg("long", layout_.full_name), fmt::arg("variant", layout_.variant),
                       fmt::arg("flag", layout_.country_flag())));
-      label_.set_tooltip_markup(tooltip_display_layout);
+      button_.set_tooltip_markup(tooltip_display_layout);
     } else {
-      label_.set_tooltip_markup(display_layout);
+      button_.set_tooltip_markup(display_layout);
     }
   }
 
   event_box_.show();
 
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 auto Language::set_current_layout(std::string current_layout) -> void {
-  label_.get_style_context()->remove_class(layout_.short_name);
+  button_.get_style_context()->remove_class(layout_.short_name);
   layout_ = layouts_map_[current_layout];
-  label_.get_style_context()->add_class(layout_.short_name);
+  button_.get_style_context()->add_class(layout_.short_name);
 }
 
 auto Language::init_layouts_map(const std::vector<std::string>& used_layouts) -> void {

src/modules/sway/mode.cpp

@@ -5,7 +5,7 @@
 namespace waybar::modules::sway {
 
 Mode::Mode(const std::string& id, const Json::Value& config)
-    : ALabel(config, "mode", id, "{}", 0, true) {
+    : AButton(config, "mode", id, "{}", 0, true) {
   ipc_.subscribe(R"(["mode"])");
   ipc_.signal_event.connect(sigc::mem_fun(*this, &Mode::onEvent));
   // Launch worker
@@ -42,14 +42,14 @@ auto Mode::update() -> void {
   if (mode_.empty()) {
     event_box_.hide();
   } else {
-    label_.set_markup(fmt::format(format_, mode_));
+    label_->set_markup(fmt::format(format_, mode_));
     if (tooltipEnabled()) {
-      label_.set_tooltip_text(mode_);
+      button_.set_tooltip_text(mode_);
     }
     event_box_.show();
   }
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 }  // namespace waybar::modules::sway

src/modules/temperature.cpp

@@ -10,8 +10,7 @@
 #endif
 
 waybar::modules::Temperature::Temperature(const std::string& id, const Json::Value& config)
-    : ALabel(config, "temperature", id, "{temperatureC}°C", 10) {
+    : AButton(config, "temperature", id, "{temperatureC}°C", 10) {
-
 #if defined(__FreeBSD__)
 // try to read sysctl?
 #else
@@ -46,9 +45,9 @@ auto waybar::modules::Temperature::update() -> void {
   auto format = format_;
   if (critical) {
     format = config_["format-critical"].isString() ? config_["format-critical"].asString() : format;
-    label_.get_style_context()->add_class("critical");
+    button_.get_style_context()->add_class("critical");
   } else {
-    label_.get_style_context()->remove_class("critical");
+    button_.get_style_context()->remove_class("critical");
   }
 
   if (format.empty()) {
@@ -59,21 +58,21 @@ auto waybar::modules::Temperature::update() -> void {
   }
 
   auto max_temp = config_["critical-threshold"].isInt() ? config_["critical-threshold"].asInt() : 0;
-  label_.set_markup(fmt::format(format, fmt::arg("temperatureC", temperature_c),
+  label_->set_markup(fmt::format(format, fmt::arg("temperatureC", temperature_c),
-                                fmt::arg("temperatureF", temperature_f),
+                                 fmt::arg("temperatureF", temperature_f),
-                                fmt::arg("temperatureK", temperature_k),
+                                 fmt::arg("temperatureK", temperature_k),
-                                fmt::arg("icon", getIcon(temperature_c, "", max_temp))));
+                                 fmt::arg("icon", getIcon(temperature_c, "", max_temp))));
   if (tooltipEnabled()) {
     std::string tooltip_format = "{temperatureC}°C";
     if (config_["tooltip-format"].isString()) {
       tooltip_format = config_["tooltip-format"].asString();
     }
-    label_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("temperatureC", temperature_c),
+    button_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("temperatureC", temperature_c),
-                                        fmt::arg("temperatureF", temperature_f),
+                                         fmt::arg("temperatureF", temperature_f),
-                                        fmt::arg("temperatureK", temperature_k)));
+                                         fmt::arg("temperatureK", temperature_k)));
   }
   // Call parent update
-  ALabel::update();
+  AButton::update();
 }
 
 float waybar::modules::Temperature::getTemperature() {
@@ -82,12 +81,13 @@ float waybar::modules::Temperature::getTemperature() {
   size_t size = sizeof temp;
 
   if (sysctlbyname("hw.acpi.thermal.tz0.temperature", &temp, &size, NULL, 0) != 0) {
-    throw std::runtime_error("sysctl hw.acpi.thermal.tz0.temperature or dev.cpu.0.temperature failed");
+    throw std::runtime_error(
+        "sysctl hw.acpi.thermal.tz0.temperature or dev.cpu.0.temperature failed");
   }
-  auto temperature_c = ((float)temp-2732)/10;  
+  auto temperature_c = ((float)temp - 2732) / 10;
   return temperature_c;
 
-#else // Linux
+#else  // Linux
   std::ifstream temp(file_path_);
   if (!temp.is_open()) {
     throw std::runtime_error("Can't open " + file_path_);

src/util/sanitize_str.cpp

@@ -0,0 +1,24 @@
+#include <array>
+#include <string>
+#include <util/sanitize_str.hpp>
+#include <utility>
+
+namespace waybar::util {
+// replaces ``<>&"'`` with their encoded counterparts
+std::string sanitize_string(std::string str) {
+  // note: it's important that '&' is replaced first; therefor we *can't* use std::map
+  const std::pair<char, std::string> replacement_table[] = {
+      {'&', "&amp;"}, {'<', "&lt;"}, {'>', "&gt;"}, {'"', "&quot;"}, {'\'', "&apos;"}};
+  size_t startpoint;
+  for (size_t i = 0; i < (sizeof(replacement_table) / sizeof(replacement_table[0])); ++i) {
+    startpoint = 0;
+    std::pair pair = replacement_table[i];
+    while ((startpoint = str.find(pair.first, startpoint)) != std::string::npos) {
+      str.replace(startpoint, 1, pair.second);
+      startpoint += pair.second.length();
+    }
+  }
+
+  return str;
+}
+}  // namespace waybar::util