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src/lufa-LUFA-170418/Projects/LEDNotifier/CPUUsageApp/CPUMonitor.cs 3.26 KB
ca85a266   gperson   le vrai commit, c...
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  using System;
  using System.Collections.Generic;
  using System.ComponentModel;
  using System.Data;
  using System.Drawing;
  using System.Linq;
  using System.Text;
  using System.Windows.Forms;
  using Microsoft.Win32;
  
  namespace CPUMonitor
  {
      public partial class frmCPU : Form
      {
          private RegistryKey AppRegKey;
  
          private const int LIGHT_MAX = 0x1F;
  
          public frmCPU()
          {
              InitializeComponent();
  
              nicoNotifyIcon.Icon = this.Icon;
              nicoNotifyIcon.MouseClick += new MouseEventHandler(TrayIconClick);        
          }
  
          private void Form1_Load(object sender, EventArgs e)
          {
              AppRegKey = Registry.CurrentUser.CreateSubKey("Software\\CPUMonitor");
  
              String[] PortNames = System.IO.Ports.SerialPort.GetPortNames();
              Array.Sort<String>(PortNames, delegate(string strA, string strB) { return int.Parse(strA.Substring(3)).CompareTo(int.Parse(strB.Substring(3))); });
              cmbComPort.Items.Clear();
              cmbComPort.Items.AddRange(PortNames);
  
              cmbComPort.SelectedIndex = System.Convert.ToInt32(AppRegKey.GetValue("Port", "1")) - 1;
              serSerialPort.PortName = cmbComPort.Text;
  
              Hide();
          }
  
          private void NotifyLight(int Red, int Green, int Blue)
          {
              byte[] buffer = new byte[3];
              buffer[0] = (byte)(0x80 | (Red & LIGHT_MAX));
              buffer[1] = (byte)(0x40 | (Green & LIGHT_MAX));
              buffer[2] = (byte)(0x20 | (Blue & LIGHT_MAX));
  
              try
              {
                  serSerialPort.PortName = cmbComPort.Text;
                  serSerialPort.Open();
                  serSerialPort.Write(buffer, 0, buffer.Length);
                  serSerialPort.Close();
              }
              catch (Exception e)
              {
  
              }
          }
  
          private void tmrCPUTimer_Tick(object sender, EventArgs e)
          {
              float CPUUsage = pcCPUUsage.NextValue();
  
              int Red = 0;
              int Green = 0;
              int Blue = 0;
  
              if (CPUUsage < 25)
              {
                  Green = (int)((LIGHT_MAX / 25) * CPUUsage);
              }
              else if (CPUUsage < 50)
              {
                  Blue = (int)((LIGHT_MAX / 25) * (CPUUsage - 25));
                  Green = LIGHT_MAX - Blue;
              }
              else if (CPUUsage < 75)
              {
                  Red = (int)((LIGHT_MAX / 25) * (CPUUsage - 50));
                  Blue = LIGHT_MAX - Red;
              }
              else
              {
                  Red = LIGHT_MAX;
              }
  
              NotifyLight(Red, Green, Blue);
              lblCPU.Text = ((int)CPUUsage).ToString() + "%";
          }
  
          private void btnExit_Click(object sender, EventArgs e)
          {
              Application.Exit();
          }
  
          private void btnMinimizeToTray_Click(object sender, EventArgs e)
          {
              this.Hide();
          }
  
          private void TrayIconClick(object sender, MouseEventArgs e)
          {
              this.Show();
              this.WindowState = FormWindowState.Normal;
          }
  
          private void cbPort_SelectedIndexChanged(object sender, EventArgs e)
          {
              AppRegKey.SetValue("Port", cmbComPort.SelectedIndex + 1);
              serSerialPort.PortName = cmbComPort.Text;
          }
      }
  }