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feat(network): add signal strength percentage

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This commit is contained in:
Alexis 2018-08-10 10:45:13 +02:00
parent aab9625182
commit c52b0c5f03
3 changed files with 10 additions and 2 deletions
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1
include/modules/network.hpp
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@ -31,6 +31,7 @@ namespace waybar::modules {
Json::Value _config; Json::Value _config;
std::size_t _ifid; std::size_t _ifid;
std::string _essid; std::string _essid;
int _signalStrengthdBm;
int _signalStrength; int _signalStrength;
}; };

2
resources/config
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@ -12,7 +12,7 @@
}, },
"network": { "network": {
"interface": "wlp2s0", "interface": "wlp2s0",
"format": "{essid} ({signalStrength}dBm) " "format": "{essid} ({signalStrength}%) "
}, },
"pulseaudio": { "pulseaudio": {
"format": "{}% ", "format": "{}% ",

9
src/modules/network.cpp
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@ -18,6 +18,7 @@ auto waybar::modules::Network::update() -> void
auto format = _config["format"] ? _config["format"].asString() : "{}"; auto format = _config["format"] ? _config["format"].asString() : "{}";
_label.set_text(fmt::format(format, _label.set_text(fmt::format(format,
fmt::arg("essid", _essid), fmt::arg("essid", _essid),
fmt::arg("signaldBm", _signalStrengthdBm),
fmt::arg("signalStrength", _signalStrength) fmt::arg("signalStrength", _signalStrength)
)); ));
} }
@ -75,8 +76,14 @@ void waybar::modules::Network::_parseEssid(struct nlattr **bss)
void waybar::modules::Network::_parseSignal(struct nlattr **bss) { void waybar::modules::Network::_parseSignal(struct nlattr **bss) {
if (bss[NL80211_BSS_SIGNAL_MBM] != nullptr) { if (bss[NL80211_BSS_SIGNAL_MBM] != nullptr) {
// signalstrength in dBm // signalstrength in dBm
_signalStrength = _signalStrengthdBm =
static_cast<int>(nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM])) / 100; static_cast<int>(nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM])) / 100;
// WiFi-hardware usually operates in the range -90 to -20dBm.
const int hardwareMax = -20;
const int hardwareMin = -90;
_signalStrength = ((double)(_signalStrengthdBm - hardwareMin)
/ (double)(hardwareMax - hardwareMin)) * 100;
} }
} }