feat: add rfkill network setting

include/modules/network.hpp

@@ -27,8 +27,8 @@ class Network : public ALabel {
   auto update() -> void override;
 
  private:
-  static const uint8_t MAX_RETRY = 5;
-  static const uint8_t EPOLL_MAX = 200;
+  static const uint8_t MAX_RETRY{5};
+  static const uint8_t EPOLL_MAX{200};
 
   static int handleEvents(struct nl_msg*, void*);
   static int handleEventsDone(struct nl_msg*, void*);
@@ -51,37 +51,37 @@ class Network : public ALabel {
   bool wildcardMatch(const std::string& pattern, const std::string& text) const;
   std::optional<std::pair<unsigned long long, unsigned long long>> readBandwidthUsage();
 
-  int ifid_;
-  ip_addr_pref addr_pref_;
-  struct sockaddr_nl nladdr_ = {0};
-  struct nl_sock* sock_ = nullptr;
-  struct nl_sock* ev_sock_ = nullptr;
-  int efd_;
-  int ev_fd_;
-  int nl80211_id_;
+  int ifid_{-1};
+  ip_addr_pref addr_pref_{ip_addr_pref::IPV4};
+  struct sockaddr_nl nladdr_{0};
+  struct nl_sock* sock_{nullptr};
+  struct nl_sock* ev_sock_{nullptr};
+  int efd_{-1};
+  int ev_fd_{-1};
+  int nl80211_id_{-1};
   std::mutex mutex_;
 
-  bool want_route_dump_;
-  bool want_link_dump_;
-  bool want_addr_dump_;
-  bool dump_in_progress_;
-  bool is_p2p_;
+  bool want_route_dump_{false};
+  bool want_link_dump_{false};
+  bool want_addr_dump_{false};
+  bool dump_in_progress_{false};
+  bool is_p2p_{false};
 
-  unsigned long long bandwidth_down_total_;
-  unsigned long long bandwidth_up_total_;
+  unsigned long long bandwidth_down_total_{0};
+  unsigned long long bandwidth_up_total_{0};
 
   std::string state_;
   std::string essid_;
   std::string bssid_;
-  bool carrier_;
+  bool carrier_{false};
   std::string ifname_;
   std::string ipaddr_;
   std::string ipaddr6_;
   std::string gwaddr_;
   std::string netmask_;
   std::string netmask6_;
-  int cidr_;
-  int cidr6_;
+  int cidr_{0};
+  int cidr6_{0};
   int32_t signal_strength_dbm_;
   uint8_t signal_strength_;
   std::string signal_strength_app_;
@@ -90,9 +90,9 @@ class Network : public ALabel {
   util::SleeperThread thread_;
   util::SleeperThread thread_timer_;
 #ifdef WANT_RFKILL
-  util::Rfkill rfkill_;
+  util::Rfkill rfkill_{RFKILL_TYPE_WLAN};
 #endif
-  float frequency_;
+  float frequency_{0};
 };
 
 }  // namespace waybar::modules

include/util/rfkill.hpp

@@ -5,6 +5,8 @@
 #include <sigc++/signal.h>
 #include <sigc++/trackable.h>
 
+#include <atomic>
+
 namespace waybar::util {
 
 class Rfkill : public sigc::trackable {
@@ -17,7 +19,7 @@ class Rfkill : public sigc::trackable {
 
  private:
   enum rfkill_type rfkill_type_;
-  bool state_ = false;
+  std::atomic_bool state_ = false;
   int fd_ = -1;
 
   bool on_event(Glib::IOCondition cond);

man/waybar-network.5.scd

@@ -16,6 +16,11 @@ Addressed by *network*
 	typeof: string ++
 	Use the defined interface instead of auto-detection. Accepts wildcard.
 
+*rfkill*: ++
+	typeof: bool ++
+	default: true ++
+	If enabled, the *disabled* format will be used when rfkill is blocking wlan interfaces.
+
 *interval*: ++
 	typeof: integer ++
 	default: 60 ++
@@ -49,7 +54,7 @@ Addressed by *network*
 
 *format-disabled*: ++
 	typeof: string ++
-	This format is used when the displayed interface is disabled.
+	This format is used when rfkill is blocking wlan interfaces.
 
 *format-icons*: ++
 	typeof: array/object ++
@@ -127,7 +132,7 @@ Addressed by *network*
 
 *tooltip-format-disabled*: ++
 	typeof: string ++
-	This format is used when the displayed interface is disabled.
+	This format is used when rfkill is blocking wlan interfaces.
 
 *menu*: ++
 	typeof: string ++
@@ -157,7 +162,7 @@ Addressed by *network*
 
 *{netmask}*: The subnetmask corresponding to the IP(V4).
 
-*{netmask6}*: The subnetmask corresponding to the IP(V6). 
+*{netmask6}*: The subnetmask corresponding to the IP(V6).
 
 *{cidr}*: The subnetmask corresponding to the IP(V4) in CIDR notation.
 

src/modules/network.cpp

@@ -78,25 +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),
-      ifid_(-1),
-      addr_pref_(IPV4),
-      efd_(-1),
-      ev_fd_(-1),
-      want_route_dump_(false),
-      want_link_dump_(false),
-      want_addr_dump_(false),
-      dump_in_progress_(false),
-      is_p2p_(false),
-      cidr_(0),
-      cidr6_(0),
-      signal_strength_dbm_(0),
-      signal_strength_(0),
-#ifdef WANT_RFKILL
-      rfkill_{RFKILL_TYPE_WLAN},
-#endif
-      frequency_(0.0) {
-
+    : ALabel(config, "network", id, DEFAULT_FORMAT, 60) {
   // 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
@@ -271,11 +253,16 @@ void waybar::modules::Network::worker() {
 }
 
 const std::string waybar::modules::Network::getNetworkState() const {
+  if (ifid_ == -1 || !carrier_) {
 #ifdef WANT_RFKILL
-  if (rfkill_.getState() && ifid_ == -1) return "disabled";
+    bool display_rfkill = true;
+    if (config_["rfkill"].isBool()) {
+      display_rfkill = config_["rfkill"].asBool();
+    }
+    if (rfkill_.getState() && display_rfkill) return "disabled";
 #endif
-  if (ifid_ == -1) return "disconnected";
-  if (!carrier_) return "disconnected";
+    return "disconnected";
+  }
   if (ipaddr_.empty() && ipaddr6_.empty()) return "linked";
   if (essid_.empty()) return "ethernet";
   return "wifi";
@@ -418,6 +405,7 @@ void waybar::modules::Network::clearIface() {
   netmask_.clear();
   netmask6_.clear();
   carrier_ = false;
+  is_p2p_ = false;
   cidr_ = 0;
   cidr6_ = 0;
   signal_strength_dbm_ = 0;
@@ -507,6 +495,11 @@ int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
           net->ifname_ = new_ifname;
           net->ifid_ = ifi->ifi_index;
           if (ifi->ifi_flags & IFF_POINTOPOINT) net->is_p2p_ = true;
+          if ((ifi->ifi_flags & IFF_UP) == 0) {
+            // With some network drivers (e.g. mt7921e), the interface may
+            // report having a carrier even though interface is down.
+            carrier = false;
+          }
           if (carrier.has_value()) {
             net->carrier_ = carrier.value();
           }