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namespace hyprwatch.Window
{
using System;
using System.Text;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Text.RegularExpressions;
using Newtonsoft.Json;
public partial class GetWindows
{
[DllImport("user32.dll")]
static extern IntPtr GetForegroundWindow();
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);
public static string ActiveWindow()
{
string desktopEnv = Environment.GetEnvironmentVariable("XDG_CURRENT_DESKTOP");
string homeDir = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
string? activeWindow = null;
string? os = null;
string configFile = Path.Combine(homeDir, ".config", "hypr-wellbeing", "config.json");
if(File.Exists(configFile))
{
string content = File.ReadAllText(configFile);
var config = JsonConvert.DeserializeObject<Dictionary<string, string>>(content);
os = config["os"];
}
else
{
os = "Linux";
}
if(os == "Linux")
{
try {
Process process = new Process();
process.StartInfo = new ProcessStartInfo();
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
if(desktopEnv == "Hyprland")
{
process.StartInfo.FileName = "hyprctl";
process.StartInfo.Arguments = "activewindow";
}
else if(desktopEnv == "niri")
{
process.StartInfo.FileName = "niri";
process.StartInfo.Arguments = "msg focused-window";
}
process.Start();
string output = process.StandardOutput.ReadToEnd();
process.WaitForExit();
var classMatch = ClassRegex().Match(output);
if(desktopEnv == "niri")
{
var match = Regex.Match(output, "App ID:\\s+\"([^\"]+)\"");
if(match.Success)
{
activeWindow = match.Groups[1].Value.Trim();
}
}
if(desktopEnv == "Hyprland")
{
if(classMatch.Success)
{
activeWindow = classMatch.Groups[1].Value.Trim();
}
}
}
catch(Exception ex)
{
Console.WriteLine(ex.Message);
}
}
else if (os == "Windows")
{
IntPtr handle = GetForegroundWindow();
if(handle != IntPtr.Zero)
{
StringBuilder className = new StringBuilder(256);
if(GetClassName(handle, className, className.Capacity) > 0)
{
activeWindow = className.ToString();
}
}
}
if(activeWindow == null)
{
activeWindow = "Home-Screen";
}
return activeWindow ?? string.Empty;
}
[GeneratedRegex(@"class:(.+)")]
private static partial Regex ClassRegex();
}
}
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