polybar/src/modules/temperature.cpp

134 lines
4.4 KiB
C++

#include "modules/temperature.hpp"
#include "drawtypes/label.hpp"
#include "drawtypes/ramp.hpp"
#include "utils/file.hpp"
#include "utils/math.hpp"
#include <cmath>
#include "modules/meta/base.inl"
POLYBAR_NS
namespace modules {
template class module<temperature_module>;
temperature_module::temperature_module(const bar_settings& bar, string name_, const config& config)
: timer_module<temperature_module>(bar, move(name_), config) {
m_zone = m_conf.get(name(), "thermal-zone", 0);
m_zone_type = m_conf.get(name(), "zone-type", ""s);
m_path = m_conf.get(name(), "hwmon-path", ""s);
m_tempbase = m_conf.get(name(), "base-temperature", 0);
m_tempwarn = m_conf.get(name(), "warn-temperature", 80);
set_interval(1s);
m_units = m_conf.get(name(), "units", m_units);
if (!m_zone_type.empty()) {
bool zone_found = false;
vector<string> zone_paths = file_util::glob(PATH_THERMAL_ZONE_WILDCARD);
vector<string> available_zones;
for (auto &z: zone_paths) {
string zone_file = z + "/type";
string z_zone_type = string_util::strip_trailing_newline(file_util::contents(zone_file));
available_zones.push_back(z_zone_type);
if (z_zone_type == m_zone_type) {
m_path = z + "/temp";
zone_found = true;
break;
}
}
if (!zone_found) {
throw module_error("zone-type '" + m_zone_type + "' was not found, available zone types: " + string_util::join(available_zones, ", "));
}
}
if (m_path.empty()) {
m_path = string_util::replace(PATH_TEMPERATURE_INFO, "%zone%", to_string(m_zone));
}
if (!file_util::exists(m_path)) {
throw module_error("The file '" + m_path + "' does not exist");
}
m_formatter->add(DEFAULT_FORMAT, TAG_LABEL, {TAG_LABEL, TAG_RAMP});
m_formatter->add(FORMAT_WARN, TAG_LABEL_WARN, {TAG_LABEL_WARN, TAG_RAMP});
if (m_formatter->has(TAG_LABEL)) {
m_label[temp_state::NORMAL] = load_optional_label(m_conf, name(), TAG_LABEL, "%temperature-c%");
}
if (m_formatter->has(TAG_LABEL_WARN)) {
m_label[temp_state::WARN] = load_optional_label(m_conf, name(), TAG_LABEL_WARN, "%temperature-c%");
}
if (m_formatter->has(TAG_RAMP)) {
m_ramp = load_ramp(m_conf, name(), TAG_RAMP);
}
// Deprecation warning for the %temperature% token
if((m_label[temp_state::NORMAL] && m_label[temp_state::NORMAL]->has_token("%temperature%")) ||
((m_label[temp_state::WARN] && m_label[temp_state::WARN]->has_token("%temperature%")))) {
m_log.warn("%s: The token `%%temperature%%` is deprecated, use `%%temperature-c%%` instead.", name());
}
}
bool temperature_module::update() {
float temp = float(std::strtol(file_util::contents(m_path).c_str(), nullptr, 10)) / 1000.0;
m_temp = std::lround( temp );
int temp_f = std::lround( (temp * 1.8) + 32.0 );
int temp_k = std::lround( temp + 273.15 );
string temp_c_string = to_string(m_temp);
string temp_f_string = to_string(temp_f);
string temp_k_string = to_string(temp_k);
// Add units if `units = true` in config
if(m_units) {
temp_c_string += "°C";
temp_f_string += "°F";
temp_k_string += "K";
}
const auto replace_tokens = [&](label_t& label) {
label->reset_tokens();
label->replace_token("%temperature-f%", temp_f_string);
label->replace_token("%temperature-c%", temp_c_string);
label->replace_token("%temperature-k%", temp_k_string);
// DEPRECATED: Will be removed in later release
label->replace_token("%temperature%", temp_c_string);
};
if (m_label[temp_state::NORMAL]) {
replace_tokens(m_label[temp_state::NORMAL]);
}
if (m_label[temp_state::WARN]) {
replace_tokens(m_label[temp_state::WARN]);
}
return true;
}
string temperature_module::get_format() const {
if (m_temp >= m_tempwarn) {
return FORMAT_WARN;
} else {
return DEFAULT_FORMAT;
}
}
bool temperature_module::build(builder* builder, const string& tag) const {
if (tag == TAG_LABEL) {
builder->node(m_label.at(temp_state::NORMAL));
} else if (tag == TAG_LABEL_WARN) {
builder->node(m_label.at(temp_state::WARN));
} else if (tag == TAG_RAMP) {
builder->node(m_ramp->get_by_percentage_with_borders(m_temp, m_tempbase, m_tempwarn));
} else {
return false;
}
return true;
}
}
POLYBAR_NS_END