Yippe i was not lazy
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MrEidam
278
status.cpp
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278
status.cpp
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#include <iostream>
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#include <fstream>
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#include <sstream>
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#include <thread>
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#include <chrono>
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#include <iomanip>
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#include <string>
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#include <vector>
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#include <map>
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#include <filesystem>
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#include <cstdio>
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#include <cstdlib>
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#include <poll.h>
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#include <nlohmann/json.hpp> // include with: sudo apt install nlohmann-json3-dev
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using json = nlohmann::json;
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using namespace std;
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// Utility to execute shell commands and capture output
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string execCmd(const string &cmd){
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array<char,128> buffer;
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string result;
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FILE* pipe=popen(cmd.c_str(),"r");
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if(!pipe)return "";
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while(fgets(buffer.data(),buffer.size(),pipe)!=nullptr)result+=buffer.data();
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pclose(pipe);
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if(!result.empty()&&result.back()=='\n')result.pop_back();
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return result;
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}
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// ----- Module functions -----
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string getBattery(){
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string percent=execCmd("cat /sys/class/power_supply/BAT*/capacity 2>/dev/null");
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string status=execCmd("cat /sys/class/power_supply/BAT*/status 2>/dev/null");
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string energyNow=execCmd("cat /sys/class/power_supply/BAT*/energy_now 2>/dev/null");
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string powerNow=execCmd("cat /sys/class/power_supply/BAT*/power_now 2>/dev/null");
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string energyFull=execCmd("cat /sys/class/power_supply/BAT*/energy_full 2>/dev/null");
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int val=percent.empty()?0:stoi(percent);
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string icon;
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if(status=="Charging")icon="";
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else if(val>90)icon="";
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else if(val>70)icon="";
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else if(val>50)icon="";
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else if(val>30)icon="";
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else icon="";
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string timeLeft;
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if(!energyNow.empty()&&!powerNow.empty()){
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double eNow=stod(energyNow);
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double pNow=stod(powerNow);
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double eFull=energyFull.empty()?eNow:eNow+1000;
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if(pNow>0){
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double hours=0;
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if(status=="Charging")hours=(eFull-eNow)/pNow;
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else if(status=="Discharging")hours=eNow/pNow;
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int h=(int)hours;
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int m=(int)((hours-h)*60);
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stringstream tss;
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tss<<" ("<<h<<"h "<<m<<"m"<<(status=="Charging"?" until full":" left")<<")";
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timeLeft=tss.str();
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}
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}
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return " "+icon+" "+percent+"% "+status+timeLeft+" ";
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}
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string getPowerMode(){
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string mode=execCmd("powerprofilesctl get 2>/dev/null");
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if(mode=="performance")return " Performance ";
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if(mode=="balanced")return " Balanced ";
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if(mode=="power-saver")return " Power Saver ";
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return " Unknown ";
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}
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string getSound(){
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string vol=execCmd("pamixer --get-volume 2>/dev/null");
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string mute=execCmd("pamixer --get-mute 2>/dev/null");
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string icon=(mute=="true")?" ":" ";
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return icon+" "+(vol.empty()?"0":vol)+"% ";
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}
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string getMic(){
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string vol=execCmd("pamixer --default-source --get-volume 2>/dev/null");
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string mute=execCmd("pamixer --default-source --get-mute 2>/dev/null");
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string icon=(mute=="true")?" ":" ";
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return icon+" "+(vol.empty()?"0":vol)+"% ";
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}
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string getDunst(){
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string status=execCmd("dunstctl is-paused 2>/dev/null");
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return (status=="true")?" Off ":" On ";
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}
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string getBrightness(){
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namespace fs = std::filesystem;
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string path;
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for(const auto& dir: fs::directory_iterator("/sys/class/backlight/")){
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path = dir.path();
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break;
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}
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if(path.empty()) return " 🌞 N/A ";
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string cur = execCmd("cat "+path+"/brightness");
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string max = execCmd("cat "+path+"/max_brightness");
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if(cur.empty() || max.empty()) return " 🌞 N/A ";
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double perc = stod(cur) / stod(max) * 100.0;
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string icon = (perc > 75) ? "" : (perc > 50) ? "" : (perc > 25) ? "" : "";
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stringstream ss;
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ss << " " << icon << " " << fixed << setprecision(0) << perc << "% ";
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return ss.str();
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}
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double getCpuUsage() {
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static long long lastTotal=0, lastIdle=0;
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std::ifstream file("/proc/stat");
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std::string line;
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getline(file,line); // first line: "cpu …"
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std::istringstream ss(line);
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std::string cpu;
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long long user, nice, system, idle, iowait, irq, softirq, steal;
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ss >> cpu >> user >> nice >> system >> idle >> iowait >> irq >> softirq >> steal;
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long long idleTime = idle + iowait;
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long long total = user+nice+system+idle+iowait+irq+softirq+steal;
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long long diffIdle = idleTime - lastIdle;
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long long diffTotal = total - lastTotal;
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lastIdle = idleTime;
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lastTotal = total;
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if(diffTotal==0)return 0.0;
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return (double)(diffTotal - diffIdle) / diffTotal * 100.0;
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}
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string getCPU(){
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string temp=execCmd("sensors | grep 'Package id 0:' | awk '{print $4}' | tr -d '+'");
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double usage = getCpuUsage(); //execCmd("mpstat 1 1 | awk '/all/ {print 100-$12}'");
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stringstream ss;
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ss<<" "<<fixed<<setprecision(1)<<usage<<"% "<<(temp.empty()?"N/A":temp)<<" ";
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return ss.str();
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}
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string getRAM(){
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ifstream meminfo("/proc/meminfo");
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long total=0,free=0,avail=0;
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string key;
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long val;
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string unit;
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while(meminfo>>key>>val>>unit){
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if(key=="MemTotal:")total=val;
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if(key=="MemAvailable:")avail=val;
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}
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long used=total-avail;
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double usedGB=used/1024.0/1024.0;
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double totalGB=total/1024.0/1024.0;
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string icon=" ";
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stringstream ss;
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ss<<icon<<" "<<fixed<<setprecision(2)<<usedGB<<"/"<<setprecision(1)<<totalGB<<"GiB ";
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return ss.str();
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}
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string getNetwork(){
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string wifi=execCmd("iwgetid -r 2>/dev/null");
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string eth=execCmd("ip link show | grep 'state UP' | grep eth | awk '{print $2}' | tr -d ':'");
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string ip=execCmd("hostname -I | awk '{print $1}'");
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string out;
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if(!wifi.empty()){
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string strength=execCmd("awk 'NR==3 {print int($3)}' /proc/net/wireless 2>/dev/null");
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out+=" "+wifi;
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if(!strength.empty())out+=" ("+strength+"%)";
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if(!ip.empty())out+=" "+ip;
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}else out+=" Wi-Fi Off";
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if(!eth.empty()){
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if(!out.empty())out+=" | ";
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out+=" "+eth;
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if(!ip.empty())out+=" "+ip;
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}else{
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if(out.find("Wi-Fi Off")==string::npos){
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// only show 'no eth' if not both off
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out+=" | No ETH";
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}
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}
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if(out.find("")==string::npos&&out.find("")==string::npos)
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out=" Offline";
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return " "+out+" ";
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}
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string getStorage(){
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string df=execCmd("df -h /home/ | awk 'NR==2 {print $3\"/\"$2}'");
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return " "+df+" ";
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}
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string getDateTime(){
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time_t t=time(nullptr);
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tm* now=localtime(&t);
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stringstream ss;
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const char* days[]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
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ss<<" "<<days[now->tm_wday]<<" "<<put_time(now,"%d %b %Y")<<" "<<put_time(now,"%H:%M:%S ");
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return ss.str();
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}
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// ----- JSON Output -----
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json makeBlock(const string&id,const string&text,const string&color,const string&bg){
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json j;
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j["name"]=id;
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j["full_text"]=text;
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j["color"]=color;
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j["background"]=bg;
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j["separator"]=false;
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j["separator_block_width"]=0;
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return j;
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}
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// ----- Main -----
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int main(){
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ios::sync_with_stdio(false);
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cout<<"{\"version\":1,\"click_events\":true}"<<endl; // i3bar header
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cout<<"["<<endl; // Start infinite array
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bool first=true;
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while(true){
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vector<json> blocks; // TEXT | BACK
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blocks.push_back(makeBlock("battery",getBattery(),"#cdd6f4","#000000")); //313244
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blocks.push_back(makeBlock("power",getPowerMode(),"#f9e2af","#000000")); //45475a
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blocks.push_back(makeBlock("sound",getSound(),"#a6e3a1","#000000")); //313244
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// blocks.push_back(makeBlock("mic",getMic(),"#f38ba8","#000000")); //313244
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// blocks.push_back(makeBlock("dunst",getDunst(),"#b4befe","#313244"));
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blocks.push_back(makeBlock("brightness", getBrightness(), "#f38ba8", "#000000")); //313244
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blocks.push_back(makeBlock("cpu",getCPU(),"#89b4fa","#000000")); //45475a
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blocks.push_back(makeBlock("ram",getRAM(),"#fab387","#000000")); //313244
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blocks.push_back(makeBlock("net",getNetwork(),"#94e2d5","#000000")); //45475a
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blocks.push_back(makeBlock("storage",getStorage(),"#f5c2e7","#000000")); //313244
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blocks.push_back(makeBlock("clock",getDateTime(),"#f2cdcd","#000000")); //45475a
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if(!first)cout<<","<<endl;
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first=false;
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cout<<blocks<<endl;
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cout.flush();
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// ---- Handle click events properly ----
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struct pollfd fds[1];
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fds[0].fd=STDIN_FILENO;
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fds[0].events=POLLIN;
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int ret=poll(fds,1,50);
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if(ret>0 && (fds[0].revents&POLLIN)){
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string line;
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if(getline(cin,line)){
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try{
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json click=json::parse(line);
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string name=click.value("name","");
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if(name=="power")system("~/Projects/C+++/statusBar/scripts/toggle_performance.sh &");
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// else if(name=="dunst")system("~/Projects/C+++/statusBar/scripts/toggle_dunst.sh &");
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else if(name=="mic")system("~/Projects/C+++/statusBar/scripts/toggle_mic.sh &");
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else if(name=="sound")system("~/Projects/C+++/statusBar/scripts/toggle_sound.sh &");
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else if(name=="net")system("alacritty -e nmtui &");
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}catch(...){
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// ignore malformed input
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}
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}
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}
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this_thread::sleep_for(chrono::milliseconds(500));
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}
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}
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