Add config value for inhibitor default state.

include/modules/idle_inhibitor.hpp

@@ -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_;

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.

src/modules/idle_inhibitor.cpp

@@ -16,6 +16,13 @@ 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));
@@ -78,8 +85,7 @@ auto waybar::modules::IdleInhibitor::update() -> void {
   ALabel::update();
 }
 
-bool waybar::modules::IdleInhibitor::handleToggle(GdkEventButton* const& e) {
-  if (e->button == 1) {
+void waybar::modules::IdleInhibitor::toggleStatus() {
   status = !status;
 
   if (timeout_.connected()) {
@@ -106,6 +112,11 @@ bool waybar::modules::IdleInhibitor::handleToggle(GdkEventButton* const& e) {
         },
         timeoutSecs);
   }
+}
+
+bool waybar::modules::IdleInhibitor::handleToggle(GdkEventButton* const& e) {
+  if (e->button == 1) {
+    toggleStatus();
 
     // Make all other idle inhibitor modules update
     for (auto const& module : waybar::modules::IdleInhibitor::modules) {