feat(clock): Add action to execute external command

include/modules/clock.hpp

@@ -80,6 +80,7 @@ class Clock final : public ALabel {
   void cldShift_reset();
   void tz_up();
   void tz_down();
+  void action_exec(const std::string& action);
   // Module Action Map
   static inline std::map<const std::string, void (waybar::modules::Clock::* const)()> actionMap_{
       {"mode", &waybar::modules::Clock::cldModeSwitch},
@@ -88,6 +89,8 @@ class Clock final : public ALabel {
       {"shift_reset", &waybar::modules::Clock::cldShift_reset},
       {"tz_up", &waybar::modules::Clock::tz_up},
       {"tz_down", &waybar::modules::Clock::tz_down}};
+  static inline std::map<const std::string, void (waybar::modules::Clock::* const)(const std::string& action)> actionWithArgsMap_{
+      {"exec", &waybar::modules::Clock::action_exec}};
 };
 
 }  // namespace waybar::modules

man/waybar-clock.5.scd

@@ -180,6 +180,8 @@ View all valid format options in *strftime(3)* or have a look https://en.cpprefe
 :[ Switch to the next calendar month/year
 |[ *shift_down*
 :[ Switch to the previous calendar month/year
+|[ *exec <cmd>*
+:[ Execute the specified command
 
 # FORMAT REPLACEMENTS
 

src/modules/clock.cpp

@@ -9,6 +9,7 @@
 #include <regex>
 #include <sstream>
 
+#include "util/command.hpp"
 #include "util/ustring_clen.hpp"
 
 #ifdef HAVE_LANGINFO_1STDAY
@@ -472,6 +473,8 @@ auto waybar::modules::Clock::local_zone() -> const time_zone* {
 auto waybar::modules::Clock::doAction(const std::string& name) -> void {
   if (actionMap_[name]) {
     (this->*actionMap_[name])();
+  } else if (auto key = name.substr(0, name.find(" ")); actionWithArgsMap_[key]) {
+    (this->*actionWithArgsMap_[key])(name);
   } else
     spdlog::error("Clock. Unsupported action \"{0}\"", name);
 }
@@ -498,6 +501,11 @@ void waybar::modules::Clock::tz_down() {
   if (tzSize == 1) return;
   tzCurrIdx_ = (tzCurrIdx_ == 0) ? tzSize - 1 : tzCurrIdx_ - 1;
 }
+void waybar::modules::Clock::action_exec(const std::string& action) {
+  auto cmd = action.substr(strlen("exec "));
+  pid_children_.push_back(util::command::forkExec(cmd));
+}
+
 
 #ifdef HAVE_LANGINFO_1STDAY
 template <auto fn>