feat(ALabel): Toggleable labels

include/ALabel.hpp

@@ -7,13 +7,20 @@ namespace waybar {
 
 class ALabel : public IModule {
   public:
-    ALabel(const Json::Value&);
+    ALabel(const Json::Value&, const std::string format);
     virtual ~ALabel() = default;
     virtual auto update() -> void;
+    virtual std::string getIcon(uint16_t percentage);
     virtual operator Gtk::Widget &();
   protected:
+    Gtk::EventBox event_box_;
     Gtk::Label label_;
     const Json::Value& config_;
+    std::string format_;
+  private:
+    bool handleToggle(GdkEventButton* const& ev);
+    bool alt = false;
+    const std::string default_format_;
 };
 
 }

include/modules/battery.hpp

@@ -22,7 +22,6 @@ class Battery : public ALabel {
     static inline const fs::path data_dir_ = "/sys/class/power_supply/";
 
     void worker();
-    std::string getIcon(uint16_t percentage);
 
     util::SleeperThread thread_;
     std::vector<fs::path> batteries_;

include/modules/pulseaudio.hpp

@@ -19,8 +19,6 @@ class Pulseaudio : public ALabel {
     static void sinkInfoCb(pa_context*, const pa_sink_info*, int, void*);
     static void serverInfoCb(pa_context*, const pa_server_info*, void*);
 
-    std::string getIcon(uint16_t);
-
     pa_threaded_mainloop* mainloop_;
     pa_mainloop_api* mainloop_api_;
     pa_context* context_;

resources/config

@@ -22,6 +22,9 @@
     "sway/window": {
         "max-length": 50
     },
+    "clock": {
+        "format-alt": "{:%Y-%m-%d}"
+    },
     "cpu": {
         "format": "{}% "
     },

src/ALabel.cpp

@@ -1,19 +1,51 @@
 #include "ALabel.hpp"
 
-waybar::ALabel::ALabel(const Json::Value& config)
-  : config_(config)
+#include <iostream>
+
+waybar::ALabel::ALabel(const Json::Value& config, const std::string format)
+  : config_(config),
+    format_(config_["format"] ? config_["format"].asString() : format),
+    default_format_(format_)
 {
+  event_box_.add(label_);
 	if (config_["max-length"]) {
     label_.set_max_width_chars(config_["max-length"].asUInt());
     label_.set_ellipsize(Pango::EllipsizeMode::ELLIPSIZE_END);
   }
+  if (config_["format-alt"]) {
+    event_box_.add_events(Gdk::BUTTON_PRESS_MASK);
+    event_box_.signal_button_press_event()
+      .connect(sigc::mem_fun(*this, &ALabel::handleToggle));
+  }
 }
 
 auto waybar::ALabel::update() -> void
 {
   // Nothing here
 }
 
+bool waybar::ALabel::handleToggle(GdkEventButton* const& ev)
+{
+  alt = !alt;
+  if (alt) {
+    format_ = config_["format-alt"].asString();
+  } else {
+    format_ = default_format_;
+  }
+  dp.emit();
+  return true;
+}
+
+std::string waybar::ALabel::getIcon(uint16_t percentage)
+{
+  if (!config_["format-icons"] || !config_["format-icons"].isArray()) {
+    return "";
+  }
+  auto size = config_["format-icons"].size();
+  auto idx = std::clamp(percentage / (100 / size), 0U, size - 1);
+  return config_["format-icons"][idx].asString();
+}
+
 waybar::ALabel::operator Gtk::Widget &() {
-  return label_;
+  return event_box_;
 }

src/modules/battery.cpp

@@ -1,7 +1,7 @@
 #include "modules/battery.hpp"
 
 waybar::modules::Battery::Battery(const Json::Value& config)
-  : ALabel(config)
+  : ALabel(config, "{capacity}%")
 {
   try {
     for (auto &node : fs::directory_iterator(data_dir_)) {
@@ -62,9 +62,7 @@ auto waybar::modules::Battery::update() -> void
       total += capacity;
     }
     uint16_t capacity = total / batteries_.size();
-    auto format = config_["format"]
-      ? config_["format"].asString() : "{capacity}%";
-    label_.set_text(fmt::format(format, fmt::arg("capacity", capacity),
+    label_.set_text(fmt::format(format_, fmt::arg("capacity", capacity),
       fmt::arg("icon", getIcon(capacity))));
     label_.set_tooltip_text(status);
     bool charging = status == "Charging";
@@ -83,13 +81,3 @@ auto waybar::modules::Battery::update() -> void
     std::cerr << e.what() << std::endl;
   }
 }
-
-std::string waybar::modules::Battery::getIcon(uint16_t percentage)
-{
-  if (!config_["format-icons"] || !config_["format-icons"].isArray()) {
-    return "";
-  }
-  auto size = config_["format-icons"].size();
-  auto idx = std::clamp(percentage / (100 / size), 0U, size - 1);
-  return config_["format-icons"][idx].asString();
-}

src/modules/clock.cpp

@@ -1,7 +1,7 @@
 #include "modules/clock.hpp"
 
 waybar::modules::Clock::Clock(const Json::Value& config)
-  : ALabel(config)
+  : ALabel(config, "{:%H:%M}")
 {
   label_.set_name("clock");
   uint32_t interval = config_["interval"] ? config_["inveral"].asUInt() : 60;
@@ -17,6 +17,5 @@ waybar::modules::Clock::Clock(const Json::Value& config)
 auto waybar::modules::Clock::update() -> void
 {
   auto localtime = fmt::localtime(std::time(nullptr));
-  auto format = config_["format"] ? config_["format"].asString() : "{:%H:%M}";
-  label_.set_text(fmt::format(format, localtime));
+  label_.set_text(fmt::format(format_, localtime));
 }

src/modules/cpu.cpp

@@ -1,7 +1,7 @@
 #include "modules/cpu.hpp"
 
 waybar::modules::Cpu::Cpu(const Json::Value& config)
-  : ALabel(config)
+  : ALabel(config, "{}%")
 {
   label_.set_name("cpu");
   uint32_t interval = config_["interval"] ? config_["inveral"].asUInt() : 10;
@@ -17,7 +17,6 @@ auto waybar::modules::Cpu::update() -> void
   if (sysinfo(&info) == 0) {
     float f_load = 1.f / (1u << SI_LOAD_SHIFT);
     uint16_t load = info.loads[0] * f_load * 100 / get_nprocs();
-    auto format = config_["format"] ? config_["format"].asString() : "{}%";
-    label_.set_text(fmt::format(format, load));
+    label_.set_text(fmt::format(format_, load));
   }
 }

src/modules/custom.cpp

@@ -2,7 +2,7 @@
 
 waybar::modules::Custom::Custom(const std::string name,
   const Json::Value& config)
-  : ALabel(config), name_(name)
+  : ALabel(config, "{}"), name_(name)
 {
   if (!config_["exec"]) {
     throw std::runtime_error(name_ + " has no exec path.");
@@ -38,8 +38,7 @@ auto waybar::modules::Custom::update() -> void
   if (res.out.empty() || res.exit_code != 0) {
     label_.hide();
   } else {
-    auto format = config_["format"] ? config_["format"].asString() : "{}";
-    auto str = fmt::format(format, res.out);
+    auto str = fmt::format(format_, res.out);
     label_.set_text(str);
     label_.set_tooltip_text(str);
     label_.show();

src/modules/memory.cpp

@@ -1,7 +1,7 @@
 #include "modules/memory.hpp"
 
 waybar::modules::Memory::Memory(const Json::Value& config)
-  : ALabel(config)
+  : ALabel(config, "{}%")
 {
   label_.set_name("memory");
   uint32_t interval = config_["interval"] ? config_["inveral"].asUInt() : 30;
@@ -18,8 +18,7 @@ auto waybar::modules::Memory::update() -> void
     auto total = info.totalram * info.mem_unit;
     auto freeram = info.freeram * info.mem_unit;
     int used_ram_percentage = 100 * (total - freeram) / total;
-    auto format = config_["format"] ? config_["format"].asString() : "{}%";
-    label_.set_text(fmt::format(format, used_ram_percentage));
+    label_.set_text(fmt::format(format_, used_ram_percentage));
     auto used_ram_gigabytes = (total - freeram) / std::pow(1024, 3);
     label_.set_tooltip_text(fmt::format("{:.{}f}Gb used", used_ram_gigabytes, 1));
   }

src/modules/network.cpp

@@ -1,7 +1,7 @@
 #include "modules/network.hpp"
 
 waybar::modules::Network::Network(const Json::Value& config)
-  : ALabel(config), family_(AF_INET),
+  : ALabel(config, "{ifname}"), family_(AF_INET),
     signal_strength_dbm_(0), signal_strength_(0)
 {
   sock_fd_ = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
@@ -82,7 +82,7 @@ waybar::modules::Network::~Network()
 
 auto waybar::modules::Network::update() -> void
 {
-  auto format = config_["format"] ? config_["format"].asString() : "{ifname}";
+  auto format = format_;
   if (ifid_ <= 0) {
     format = config_["format-disconnected"]
       ? config_["format-disconnected"].asString() : format;

src/modules/pulseaudio.cpp

@@ -1,7 +1,7 @@
 #include "modules/pulseaudio.hpp"
 
 waybar::modules::Pulseaudio::Pulseaudio(const Json::Value& config)
-  : ALabel(config), mainloop_(nullptr), mainloop_api_(nullptr),
+  : ALabel(config, "{volume}%"), mainloop_(nullptr), mainloop_api_(nullptr),
     context_(nullptr), sink_idx_(0), volume_(0), muted_(false)
 {
   label_.set_name("pulseaudio");
@@ -100,33 +100,22 @@ void waybar::modules::Pulseaudio::sinkInfoCb(pa_context* /*context*/,
 void waybar::modules::Pulseaudio::serverInfoCb(pa_context *context,
   const pa_server_info *i, void *data)
 {
-    pa_context_get_sink_info_by_name(context, i->default_sink_name,
-      sinkInfoCb, data);
+  pa_context_get_sink_info_by_name(context, i->default_sink_name,
+    sinkInfoCb, data);
 }
 
 auto waybar::modules::Pulseaudio::update() -> void
 {
-	  auto format =
-      config_["format"] ? config_["format"].asString() : "{volume}%";
-    if (muted_) {
-      format =
-        config_["format-muted"] ? config_["format-muted"].asString() : format;
-      label_.get_style_context()->add_class("muted");
-    } else {
-      label_.get_style_context()->remove_class("muted");
-    }
-    label_.set_label(fmt::format(format,
-      fmt::arg("volume", volume_),
-      fmt::arg("icon", getIcon(volume_))));
-    label_.set_tooltip_text(desc_);
-}
-
-std::string waybar::modules::Pulseaudio::getIcon(uint16_t percentage)
-{
-  if (!config_["format-icons"] || !config_["format-icons"].isArray()) {
-    return "";
+  auto format = format_;
+  if (muted_) {
+    format =
+      config_["format-muted"] ? config_["format-muted"].asString() : format;
+    label_.get_style_context()->add_class("muted");
+  } else {
+    label_.get_style_context()->remove_class("muted");
   }
-  auto size = config_["format-icons"].size();
-  auto idx = std::clamp(percentage / (100 / size), 0U, size - 1);
-  return config_["format-icons"][idx].asString();
+  label_.set_label(fmt::format(format,
+    fmt::arg("volume", volume_),
+    fmt::arg("icon", getIcon(volume_))));
+  label_.set_tooltip_text(desc_);
 }

src/modules/sway/window.cpp

@@ -1,7 +1,7 @@
 #include "modules/sway/window.hpp"
 
 waybar::modules::sway::Window::Window(Bar &bar, const Json::Value& config)
-  : ALabel(config), bar_(bar)
+  : ALabel(config, "{}"), bar_(bar)
 {
   label_.set_name("window");
   ipc_.connect();
@@ -30,7 +30,7 @@ void waybar::modules::sway::Window::worker()
 
 auto waybar::modules::sway::Window::update() -> void
 {
-  label_.set_text(window_);
+  label_.set_text(fmt::format(format_, window_));
   label_.set_tooltip_text(window_);
 }