feat(temperature): Added temp module and examples

cmake/build/options.cmake

@@ -39,6 +39,8 @@ set(SETTING_PATH_CPU_INFO "/proc/stat"
   CACHE STRING "Path to file containing cpu info")
 set(SETTING_PATH_MEMORY_INFO "/proc/meminfo"
   CACHE STRING "Path to file containing memory info")
+set(SETTING_PATH_TEMPERATURE_INFO "/sys/class/thermal/thermal_zone%zone%/temp"
+  CACHE STRING "Path to file containing the current temperature")
 
 find_package(ALSA QUIET)
 if(NOT ALSA_FOUND)

examples/config

@@ -225,6 +225,15 @@ bar-progress-empty-font = 3
 label-time-foreground = #77
 
 
+[module/temperature]
+type = internal/temperature
+
+thermal-zone = 0
+warn-temperature = 60
+label = 🌡 %temperature%
+label-warn = 🔥 %temperature%
+
+
 [module/powermenu]
 type = custom/menu
 

examples/config.bspwm

@@ -327,6 +327,15 @@ bar-progress-empty-font = 3
 label-time-foreground = #77
 
 
+[module/temperature]
+type = internal/temperature
+
+thermal-zone = 0
+warn-temperature = 60
+label = 🌡 %temperature%
+label-warn = 🔥 %temperature%
+
+
 [module/powermenu]
 type = custom/menu
 

include/config.hpp.cmake

@@ -38,6 +38,7 @@
 #define BSPWM_STATUS_PREFIX "@SETTING_BSPWM_STATUS_PREFIX@"
 #define PATH_CPU_INFO "@SETTING_PATH_CPU_INFO@"
 #define PATH_MEMORY_INFO "@SETTING_PATH_MEMORY_INFO@"
+#define PATH_TEMPERATURE_INFO "@SETTING_PATH_TEMPERATURE_INFO@"
 
 auto print_build_info = []() {
   // clang-format off
@@ -59,7 +60,8 @@ auto print_build_info = []() {
             << "PATH_BACKLIGHT_VAL    " << PATH_BACKLIGHT_VAL    << "\n"
             << "PATH_BATTERY_CAPACITY " << PATH_BATTERY_CAPACITY << "\n"
             << "PATH_CPU_INFO         " << PATH_CPU_INFO         << "\n"
-            << "PATH_MEMORY_INFO      " << PATH_MEMORY_INFO      << "\n";
+            << "PATH_MEMORY_INFO      " << PATH_MEMORY_INFO      << "\n"
+            << "PATH_TEMPERATURE_INFO " << PATH_TEMPERATURE_INFO << "\n";
   // clang-format on
 };
 

include/modules/temperature.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <istream>
+
+#include "config.hpp"
+#include "drawtypes/label.hpp"
+#include "modules/meta.hpp"
+#include "utils/file.hpp"
+
+LEMONBUDDY_NS
+
+namespace modules {
+  enum class temp_state { NORMAL = 0, WARN };
+
+
+  class temperature_module : public timer_module<temperature_module> {
+   public:
+    using timer_module::timer_module;
+
+    void setup();
+    bool update();
+    string get_format() const;
+    bool build(builder* builder, string tag) const;
+
+   private:
+    static constexpr auto TAG_LABEL = "<label>";
+    static constexpr auto TAG_LABEL_WARN = "<label-warn>";
+    static constexpr auto FORMAT_WARN = "format-warn";
+
+    map<temp_state, label_t> m_label;
+
+    string m_path;
+
+    int m_zone;
+    int m_tempwarn;
+    int m_temp = 0;
+  };
+}
+
+LEMONBUDDY_NS_END

src/components/controller.cpp

@@ -13,6 +13,7 @@
 #include "modules/menu.hpp"
 #include "modules/script.hpp"
 #include "modules/text.hpp"
+#include "modules/temperature.hpp"
 #include "modules/unsupported.hpp"
 #include "modules/xbacklight.hpp"
 #include "utils/process.hpp"
@@ -352,6 +353,8 @@ void controller::bootstrap_modules() {
           module.reset(new volume_module(bar, m_log, m_conf, module_name));
         else if (type == "internal/network")
           module.reset(new network_module(bar, m_log, m_conf, module_name));
+        else if (type == "internal/temperature")
+          module.reset(new temperature_module(bar, m_log, m_conf, module_name));
         else if (type == "custom/text")
           module.reset(new text_module(bar, m_log, m_conf, module_name));
         else if (type == "custom/script")

src/modules/temperature.cpp

@@ -0,0 +1,60 @@
+#include "modules/temperature.hpp"
+
+LEMONBUDDY_NS
+
+namespace modules {
+  void temperature_module::setup() {
+    m_zone = m_conf.get<int>(name(), "thermal-zone", 0);
+    m_tempwarn = m_conf.get<int>(name(), "warn-temperature", 80);
+    m_interval = chrono::duration<double>(m_conf.get<float>(name(), "interval", 1));
+
+    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});
+    m_formatter->add(FORMAT_WARN, TAG_LABEL_WARN, {TAG_LABEL_WARN});
+    if (m_formatter->has(TAG_LABEL))
+      m_label[temp_state::NORMAL] = load_optional_label(m_conf, name(), TAG_LABEL, "%temperature%");
+    if (m_formatter->has(TAG_LABEL_WARN))
+      m_label[temp_state::WARN] = load_optional_label(m_conf, name(), TAG_LABEL_WARN, "%temperature%");
+  }
+
+  bool temperature_module::update() {
+
+    m_temp = std::atoi(file_util::get_contents(m_path).c_str()) / 1000.0f + 0.5f;
+
+    // replace tokens
+    const auto replace_tokens = [&](label_t& label) {
+      label->reset_tokens();
+      label->replace_token("%temperature%", to_string(m_temp) + "°C");
+    };
+    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, 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
+      return false;
+    return true;
+  }
+}
+
+LEMONBUDDY_NS_END