Class: DiscourseSystray::Systray

Inherits:
Object
  • Object
show all
Defined in:
lib/discourse_systray/systray.rb

Constant Summary collapse

CONFIG_DIR = 
File.expand_path("~/.config/discourse-systray")
CONFIG_FILE = 
File.join(CONFIG_DIR, "config.json")
OPTIONS = 
{ debug: false, path: nil }
BUFFER_SIZE = 
1000
BUFFER_TRIM_INTERVAL =

seconds

30
PIPE_PATH = 
"/tmp/discourse_systray_cmd"
PID_FILE = 
"/tmp/discourse_systray.pid"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Systray

Returns a new instance of Systray.



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# File 'lib/discourse_systray/systray.rb', line 80

def initialize
  puts "DEBUG: Initializing DiscourseSystray" if OPTIONS[:debug]
  
  @discourse_path = self.class.load_or_prompt_config unless OPTIONS[:attach]
  puts "DEBUG: Discourse path: #{@discourse_path}" if OPTIONS[:debug]
  
  @running = false
  @ember_output = []
  @unicorn_output = []
  @processes = {}
  @ember_running = false
  @unicorn_running = false
  @status_window = nil
  @buffer_trim_timer = nil
  
  # Initialize pipe queue for background processing
  initialize_pipe_queue
  
  # Add initial welcome message to buffers with timestamp
  timestamp = Time.now.strftime("%H:%M:%S")
  @ember_output << "#{timestamp} - Discourse Ember CLI Log\n"
  @ember_output << "Start Discourse to see Ember CLI logs here.\n"
  @ember_output << "\n"
  
  @unicorn_output << "#{timestamp} - Discourse Unicorn Log\n"
  @unicorn_output << "Start Discourse to see Unicorn logs here.\n"
  @unicorn_output << "\n"
  
  # Add a visual separator
  @ember_output << "=" * 50 + "\n"
  @unicorn_output << "=" * 50 + "\n"
  
  puts "DEBUG: Added initial data to buffers" if OPTIONS[:debug]
  puts "DEBUG: ember_output size: #{@ember_output.size}" if OPTIONS[:debug]
  puts "DEBUG: unicorn_output size: #{@unicorn_output.size}" if OPTIONS[:debug]
  
  # Set up periodic buffer trimming
  setup_buffer_trim_timer unless OPTIONS[:attach]
  
  puts "DEBUG: Initialized DiscourseSystray with path: #{@discourse_path}" if OPTIONS[:debug]
end

Instance Attribute Details

#discourse_path ⇒ Object (readonly)

Returns the value of attribute discourse_path.



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# File 'lib/discourse_systray/systray.rb', line 816

def discourse_path
  @discourse_path
end

Class Method Details

.load_config ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 71

def self.load_config
  return {} unless File.exist?(CONFIG_FILE)
  JSON.parse(File.read(CONFIG_FILE))
rescue JSON::ParserError
  {}
end

.load_or_prompt_config ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 14

def self.load_or_prompt_config
  OptionParser
    .new do |opts|
      opts.banner = "Usage: systray.rb [options]"
      opts.on("--debug", "Enable debug mode") { OPTIONS[:debug] = true }
      opts.on("--path PATH", "Set Discourse path") do |p|
        OPTIONS[:path] = p
      end
      opts.on("--console", "Enable console mode") do
        OPTIONS[:console] = true
      end
      opts.on("--attach", "Attach to existing systray") do
        OPTIONS[:attach] = true
      end
    end
    .parse!
  FileUtils.mkdir_p(CONFIG_DIR) unless Dir.exist?(CONFIG_DIR)

  if OPTIONS[:path]
    save_config(path: OPTIONS[:path])
    return OPTIONS[:path]
  end

  if File.exist?(CONFIG_FILE)
    config = JSON.parse(File.read(CONFIG_FILE))
    return config["path"] if config["path"] && Dir.exist?(config["path"])
  end

  # Show dialog to get path
  dialog =
    Gtk::FileChooserDialog.new(
      title: "Select Discourse Directory",
      parent: nil,
      action: :select_folder,
      buttons: [["Cancel", :cancel], ["Select", :accept]]
    )

  path = nil
  if dialog.run == :accept
    path = dialog.filename
    save_config(path: path)
  else
    puts "No Discourse path specified. Exiting."
    exit 1
  end

  dialog.destroy
  path
end

.run ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 818

def self.run
  new.run
end

.running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/discourse_systray/systray.rb', line 802

def self.running?
  return false unless File.exist?(PID_FILE)
  pid = File.read(PID_FILE).to_i
  Process.kill(0, pid)
  true
rescue Errno::ESRCH, Errno::ENOENT
  begin
    File.unlink(PID_FILE)
  rescue StandardError
    nil
  end
  false
end

.save_config(path:, window_geometry: nil) ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 64

def self.save_config(path:, window_geometry: nil)
  config = { path: path }
  config[:window_geometry] = window_geometry if window_geometry
  File.write(CONFIG_FILE, JSON.generate(config))
  nil # Prevent return value from being printed
end

Instance Method Details

#cleanup ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 227

def cleanup
  return if @processes.empty?

  # First disable updates to prevent race conditions
  @view_timeouts&.values&.each do |id|
    begin
      GLib::Source.remove(id)
    rescue StandardError => e
      puts "Error removing timeout: #{e}" if OPTIONS[:debug]
    end
  end
  @view_timeouts&.clear
  
  # Remove buffer trim timer if it exists
  if @buffer_trim_timer
    begin
      GLib::Source.remove(@buffer_trim_timer)
      @buffer_trim_timer = nil
    rescue StandardError => e
      puts "Error removing buffer trim timer: #{e}" if OPTIONS[:debug]
    end
  end
  
  # Stop pipe thread
  if @pipe_thread
    begin
      @pipe_queue.push(:exit) if @pipe_queue
      @pipe_thread.join(2) # Wait up to 2 seconds
      @pipe_thread.kill if @pipe_thread.alive?
    rescue StandardError => e
      puts "Error stopping pipe thread: #{e}" if OPTIONS[:debug]
    end
  end

  # Then stop processes
  @processes.each do |name, process|
    begin
      Process.kill("TERM", process[:pid])
      # Wait for process to finish with timeout
      Timeout.timeout(10) { process[:thread].join }
    rescue StandardError => e
      puts "Error stopping #{name}: #{e}" if OPTIONS[:debug]
    end
  end
  @processes.clear
  @ember_running = false
  @unicorn_running = false

  # Finally clean up UI elements
  update_tab_labels if @notebook && !@notebook.destroyed?

  if @status_window && !@status_window.destroyed?
    @status_window.destroy
    @status_window = nil
  end
end

#create_log_view(buffer) ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 569

def create_log_view(buffer)
  puts "DEBUG: create_log_view called for #{buffer == @ember_output ? 'ember' : 'unicorn'}" if OPTIONS[:debug]
  
  # Create a scrolled window to contain the text view
  scroll = Gtk::ScrolledWindow.new
  
  # Create a simple text view with minimal configuration
  text_view = Gtk::TextView.new
  text_view.editable = false
  text_view.cursor_visible = false
  text_view.wrap_mode = :word
  
  # Use a fixed-width font
  text_view.monospace = true
  
  # Set colors - white text on black background
  text_view.override_background_color(:normal, Gdk::RGBA.new(0, 0, 0, 1))
  text_view.override_color(:normal, Gdk::RGBA.new(1, 1, 1, 1))
  
  # Set font size explicitly
  font_desc = Pango::FontDescription.new
  font_desc.family = "Monospace"
  font_desc.size = 12 * Pango::SCALE
  text_view.override_font(font_desc)
  
  # Set initial text
  text_view.buffer.text = "Loading log data...\n"
  
  # Add the text view to the scrolled window
  scroll.add(text_view)
  
  # Set up a timer to update the view more frequently
  @view_timeouts ||= {}
  timeout_id = GLib::Timeout.add(250) do
    if text_view.destroyed? || scroll.destroyed?
      @view_timeouts.delete(text_view.object_id)
      false # Stop the timer
    else
      begin
        update_log_view(text_view, buffer)
      rescue => e
        puts "DEBUG: Error updating log view: #{e.message}" if OPTIONS[:debug]
      end
      true # Continue the timer
    end
  end
  
  # Store the timeout ID for cleanup
  @view_timeouts[text_view.object_id] = timeout_id
  
  # Clean up when the view is destroyed
  text_view.signal_connect("destroy") do
    if id = @view_timeouts.delete(text_view.object_id)
      GLib::Source.remove(id) rescue nil
    end
  end
  
  # Do an initial update
  update_log_view(text_view, buffer)
  
  # Return the scrolled window
  scroll
end

#create_status_label(text, running) ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 695

def create_status_label(text, running)
  box = Gtk::Box.new(:horizontal, 5)
  label = Gtk::Label.new(text)
  status = Gtk::Label.new
  color =
    (
      if running
        Gdk::RGBA.new(0.2, 0.8, 0.2, 1)
      else
        Gdk::RGBA.new(0.8, 0.2, 0.2, 1)
      end
    )
  status.override_color(:normal, color)
  status.text = running ? "●" : "○"
  box.pack_start(label, expand: false, fill: false, padding: 0)
  box.pack_start(status, expand: false, fill: false, padding: 0)
  box.show_all
  box
end

#handle_command(cmd) ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 973

def handle_command(cmd)
  puts "Received command: #{cmd}" if OPTIONS[:debug]
end

#init_systray ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 146

def init_systray
  @indicator = Gtk::StatusIcon.new
  @indicator.pixbuf =
    GdkPixbuf::Pixbuf.new(
      file: File.join(File.dirname(__FILE__), "../../assets/discourse.png")
    )
  @indicator.tooltip_text = "Discourse Manager"

  @indicator.signal_connect("popup-menu") do |tray, button, time|
    menu = Gtk::Menu.new

    # Create menu items with icons
    start_item = Gtk::ImageMenuItem.new(label: "Start Discourse")
    start_item.image =
      Gtk::Image.new(icon_name: "media-playback-start", size: :menu)

    stop_item = Gtk::ImageMenuItem.new(label: "Stop Discourse")
    stop_item.image =
      Gtk::Image.new(icon_name: "media-playback-stop", size: :menu)

    status_item = Gtk::ImageMenuItem.new(label: "Show Status")
    status_item.image =
      Gtk::Image.new(icon_name: "utilities-system-monitor", size: :menu)

    quit_item = Gtk::ImageMenuItem.new(label: "Quit")
    quit_item.image =
      Gtk::Image.new(icon_name: "application-exit", size: :menu)

    # Add items in new order
    menu.append(start_item)
    menu.append(stop_item)
    menu.append(Gtk::SeparatorMenuItem.new)
    menu.append(status_item)
    menu.append(Gtk::SeparatorMenuItem.new)
    menu.append(quit_item)

    start_item.signal_connect("activate") do
      set_icon(:running)
      start_discourse
      @running = true
    end

    stop_item.signal_connect("activate") do
      set_icon(:stopped)
      stop_discourse
      @running = false
    end

    quit_item.signal_connect("activate") do
      cleanup
      Gtk.main_quit
    end

    status_item.signal_connect("activate") { show_status_window }

    menu.show_all

    # Show/hide items based on running state - AFTER show_all
    start_item.visible = !@running
    stop_item.visible = @running
    menu.popup(nil, nil, button, time)
  end
end

#initialize_pipe_queue ⇒ Object

Queue for pipe messages to avoid blocking



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# File 'lib/discourse_systray/systray.rb', line 933

def initialize_pipe_queue
  @pipe_queue = Queue.new
  @pipe_thread = Thread.new do
    loop do
      begin
        msg = @pipe_queue.pop
        break if msg == :exit
        
        if File.exist?(PIPE_PATH)
          begin
            # Use non-blocking write with timeout
            Timeout.timeout(0.5) do
              File.open(PIPE_PATH, "w") do |f|
                f.puts(msg)
                f.flush
              end
            end
          rescue Timeout::Error
            puts "Timeout writing to pipe" if OPTIONS[:debug]
          rescue Errno::EPIPE, IOError => e
            puts "Error writing to pipe: #{e}" if OPTIONS[:debug]
          end
        end
      rescue => e
        puts "Error in pipe thread: #{e}" if OPTIONS[:debug]
      end
      
      # Small sleep to prevent CPU hogging
      sleep 0.01
    end
  end
end

#publish_to_pipe(msg, process: nil, stream: nil) ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 966

def publish_to_pipe(msg, process: nil, stream: nil)
  source_info = "[#{process || 'unknown'}:#{stream || 'unknown'}]"
  puts "Publish to pipe #{source_info}: #{msg}" if OPTIONS[:debug]
  
  @pipe_queue.push(msg) if @pipe_queue
end

#run ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 822

def run
  if OPTIONS[:attach]
    require "rb-inotify"

    # Set up signal handling for Ctrl+C
    Signal.trap("INT") do
      puts "Received interrupt signal, shutting down..."
      exit 0
    end
    
    notifier = INotify::Notifier.new

    begin
      pipe = File.open(PIPE_PATH, "r")

      # Watch for pipe deletion
      notifier.watch(File.dirname(PIPE_PATH), :delete) do |event|
        if event.name == File.basename(PIPE_PATH)
          puts "Pipe was deleted, exiting."
          exit 0
        end
      end

      # Read from pipe in a separate thread
      reader = Thread.new do
        # Set thread abort on exception
        Thread.current.abort_on_exception = true
        
        begin
          while true
            begin
              # Use non-blocking read with timeout
              ready = IO.select([pipe], nil, nil, 0.1)
              if ready && ready[0].include?(pipe)
                line = pipe.gets
                if line
                  puts line
                  STDOUT.flush
                end
              end
            rescue IOError, Errno::EBADF => e
              puts "DEBUG: Pipe read error: #{e.message}" if OPTIONS[:debug]
              break
            end

            # Check if pipe still exists
            unless File.exist?(PIPE_PATH)
              puts "Pipe was deleted, exiting."
              exit 0
            end
            
            # Small sleep to prevent CPU hogging
            sleep 0.01
          end
        rescue EOFError, IOError
          puts "Pipe closed, exiting."
          exit 0
        end
      end
      
      # Set up non-blocking notifier processing
      # Instead of notifier.run which blocks indefinitely, use a loop with timeout
      while true
        # Process any pending inotify events, with timeout
        notifier.process
        
        # Sleep briefly to prevent CPU hogging
        sleep 0.1
      end
    rescue Errno::ENOENT
      puts "Pipe doesn't exist, exiting."
      exit 1
    rescue Interrupt
      puts "Interrupted, exiting."
      exit 0
    ensure
      reader&.kill
      pipe&.close
      notifier&.close
    end
  else
    return if self.class.running?

    system("mkfifo #{PIPE_PATH}") unless File.exist?(PIPE_PATH)

    # Create named pipe and write PID file
    system("mkfifo #{PIPE_PATH}") unless File.exist?(PIPE_PATH)
    File.write(PID_FILE, Process.pid.to_s)

    # Set up cleanup on exit
    at_exit do
      begin
        File.unlink(PIPE_PATH) if File.exist?(PIPE_PATH)
        File.unlink(PID_FILE) if File.exist?(PID_FILE)
      rescue StandardError => e
        puts "Error during cleanup: #{e}" if OPTIONS[:debug]
      end
    end

    # Initialize GTK
    Gtk.init

    # Setup systray icon and menu
    init_systray
    
    # Start GTK main loop
    Gtk.main
  end
end

#save_window_geometry ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 742

def save_window_geometry
  return unless @status_window&.visible? && @status_window.window

  x, y = @status_window.position
  width, height = @status_window.size

  self.class.save_config(
    path: @discourse_path,
    window_geometry: {
      "x" => x,
      "y" => y,
      "width" => width,
      "height" => height
    }
  )
end

#set_icon(status) ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 759

def set_icon(status)
  icon_file = status == :running ? "discourse_running.png" : "discourse.png"
  icon_path = File.join(File.dirname(__FILE__), "../../assets", icon_file)
  @indicator.pixbuf = GdkPixbuf::Pixbuf.new(file: icon_path)
end

#setup_buffer_trim_timer ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 122

def setup_buffer_trim_timer
  @buffer_trim_timer = GLib::Timeout.add_seconds(BUFFER_TRIM_INTERVAL) do
    trim_buffers
    true # Keep the timer running
  end
end

#show_status_window ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 439

def show_status_window
  puts "DEBUG: show_status_window called" if OPTIONS[:debug]
  
  if @status_window&.visible?
    puts "DEBUG: Status window already visible, presenting it" if OPTIONS[:debug]
    @status_window.present
    # Force window to current workspace in i3
    if @status_window.window
      @status_window.window.raise
      if system("which i3-msg >/dev/null 2>&1")
        system("i3-msg '[id=#{@status_window.window.xid}] move workspace current'")
        system("i3-msg '[id=#{@status_window.window.xid}] focus'")
      end
    end
    
    # Force an update of the views even if window is already visible
    GLib::Idle.add do
      update_all_views
      false
    end
    
    return
  end

  # Clean up any existing window and notebook
  if @status_window
    puts "DEBUG: Destroying existing status window" if OPTIONS[:debug]
    @notebook = nil # Clear notebook reference
    @ember_view = nil
    @unicorn_view = nil
    @ember_label = nil
    @unicorn_label = nil
    @status_window.destroy
    @status_window = nil
  end

  # Create new window and components
  puts "DEBUG: Creating new status window" if OPTIONS[:debug]
  @status_window = Gtk::Window.new("Discourse Status")
  @status_window.set_wmclass("discourse-status", "Discourse Status")

  # Load saved geometry or use defaults
  config = self.class.load_config
  if config["window_geometry"]
    geo = config["window_geometry"]
    @status_window.move(geo["x"], geo["y"])
    @status_window.resize(geo["width"], geo["height"])
    puts "DEBUG: Set window geometry from config: #{geo.inspect}" if OPTIONS[:debug]
  else
    @status_window.set_default_size(800, 600)
    @status_window.window_position = :center
    puts "DEBUG: Set default window size 800x600" if OPTIONS[:debug]
  end
  @status_window.type_hint = :dialog
  @status_window.set_role("discourse-status-dialog")

  # Handle window destruction and hide
  @status_window.signal_connect("delete-event") do
    puts "DEBUG: Window delete-event triggered" if OPTIONS[:debug]
    save_window_geometry
    @status_window.hide
    true # Prevent destruction
  end

  # Save position and size when window is moved or resized
  @status_window.signal_connect("configure-event") do
    save_window_geometry
    false
  end

  # Create notebook only if it doesn't exist
  puts "DEBUG: Creating notebook" if OPTIONS[:debug]
  @notebook = Gtk::Notebook.new

  # Only create views if they don't exist
  if @ember_view.nil?
    puts "DEBUG: Creating ember view" if OPTIONS[:debug]
    @ember_view = create_log_view(@ember_output)
    @ember_label = create_status_label("Ember CLI", @ember_running)
    @notebook.append_page(@ember_view, @ember_label)
  end

  if @unicorn_view.nil?
    puts "DEBUG: Creating unicorn view" if OPTIONS[:debug]
    @unicorn_view = create_log_view(@unicorn_output)
    @unicorn_label = create_status_label("Unicorn", @unicorn_running)
    @notebook.append_page(@unicorn_view, @unicorn_label)
  end

  @status_window.add(@notebook)
  puts "DEBUG: Added notebook to status window" if OPTIONS[:debug]
  
  @status_window.show_all
  puts "DEBUG: Called show_all on status window" if OPTIONS[:debug]
  
  # Force an immediate update of the views
  GLib::Idle.add do
    puts "DEBUG: Forcing immediate update after window creation" if OPTIONS[:debug]
    update_all_views
    false
  end
end

#start_console_process(command) ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 765

def start_console_process(command)
  stdin, stdout, stderr, wait_thr = Open3.popen3(command)

  # Pipe stdout to console and add to buffer
  Thread.new do
    while line = stdout.gets
      buffer =
        command.include?("ember-cli") ? @ember_output : @unicorn_output
      print line
      buffer << line
      buffer.shift if buffer.size > BUFFER_SIZE
    end
  end

  # Pipe stderr to console and add to buffer
  Thread.new do
    while line = stderr.gets
      buffer =
        command.include?("ember-cli") ? @ember_output : @unicorn_output
      STDERR.print line
      buffer << line
      buffer.shift if buffer.size > BUFFER_SIZE
    end
  end

  {
    pid: wait_thr.pid,
    stdin: stdin,
    stdout: stdout,
    stderr: stderr,
    thread: wait_thr
  }
end

#start_discourse ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 210

def start_discourse
  @ember_output.clear
  @unicorn_output.clear

  Dir.chdir(@discourse_path) do
    @processes[:ember] = start_process("bin/ember-cli")
    @ember_running = true
    @processes[:unicorn] = start_process("bin/unicorn")
    @unicorn_running = true
    update_tab_labels if @notebook
  end
end

#start_process(command, console: false) ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 284

def start_process(command, console: false)
  puts "DEBUG: start_process called with command: #{command}" if OPTIONS[:debug]
  
  return start_console_process(command) if console
  
  begin
    stdin, stdout, stderr, wait_thr = Open3.popen3(command)
    puts "DEBUG: Process started with PID: #{wait_thr.pid}" if OPTIONS[:debug]
  rescue => e
    puts "DEBUG: Error starting process: #{e.message}" if OPTIONS[:debug]
    return nil
  end

  # Create a monitor thread that will detect if process dies
  monitor_thread =
    Thread.new do
      begin
        wait_thr.value # Wait for process to finish
        is_ember = command.include?("ember-cli")
        @ember_running = false if is_ember
        @unicorn_running = false unless is_ember
        GLib::Idle.add do
          update_tab_labels if @notebook
          false
        end
      rescue => e
        puts "DEBUG: Error in monitor thread: #{e.message}" if OPTIONS[:debug]
      end
    end

  # Clear the buffer before starting
  buffer = command.include?("ember-cli") ? @ember_output : @unicorn_output
  buffer.clear
  
  # Add a start message to the buffer
  timestamp = Time.now.strftime("%H:%M:%S")
  buffer << "#{timestamp} - Starting #{command}...\n"
  
  # Force immediate GUI update
  GLib::Idle.add do
    update_all_views
    false
  end

  # Monitor stdout
  Thread.new do
    begin
      while line = stdout.gets
        buffer = command.include?("ember-cli") ? @ember_output : @unicorn_output
        puts "[OUT] #{line}" if OPTIONS[:debug]
        
        # Add to buffer with size management
        buffer << line
        
        # Print buffer size for debugging
        if OPTIONS[:debug]
          puts "DEBUG: Added to buffer: #{line.inspect}"
          if buffer.size % 10 == 0
            puts "DEBUG: Buffer size now: #{buffer.size}"
          end
        end
        
        # Trim if needed
        if buffer.size > BUFFER_SIZE
          buffer.shift(buffer.size - BUFFER_SIZE)
        end
        
        # Force GUI update on main thread
        GLib::Idle.add do
          update_all_views
          false
        end
        
        # Also publish to pipe for --attach mode in background
        publish_to_pipe(line, process: command.include?("ember-cli") ? :ember : :unicorn, stream: :stdout)
      end
    rescue => e
      puts "DEBUG: Error in stdout thread: #{e.message}" if OPTIONS[:debug]
      puts e.backtrace.join("\n") if OPTIONS[:debug]
      
      # Add error to buffer for visibility
      buffer = command.include?("ember-cli") ? @ember_output : @unicorn_output
      error_msg = "ERROR: Exception in stdout thread: #{e.message}\n"
      buffer << error_msg
      
      # Force GUI update
      GLib::Idle.add do
        update_all_views
        false
      end
    end
  end

  # Monitor stderr
  Thread.new do
    begin
      while line = stderr.gets
        buffer = command.include?("ember-cli") ? @ember_output : @unicorn_output
        puts "[ERR] #{line}" if OPTIONS[:debug]
        
        # Format error line
        error_line = "E: #{line}"
        
        # Add to buffer with size management
        buffer << error_line
        
        # Print buffer size for debugging
        if OPTIONS[:debug]
          puts "DEBUG: Added to buffer: #{error_line.inspect}"
          if buffer.size % 10 == 0
            puts "DEBUG: Buffer size now: #{buffer.size}"
          end
        end
        
        # Trim if needed
        if buffer.size > BUFFER_SIZE
          buffer.shift(buffer.size - BUFFER_SIZE)
        end
        
        # Force GUI update on main thread
        GLib::Idle.add do
          update_all_views
          false
        end
        
        # Also publish to pipe for --attach mode in background
        publish_to_pipe(error_line, process: command.include?("ember-cli") ? :ember : :unicorn, stream: :stderr)
      end
    rescue => e
      puts "DEBUG: Error in stderr thread: #{e.message}" if OPTIONS[:debug]
      puts e.backtrace.join("\n") if OPTIONS[:debug]
      
      # Add error to buffer for visibility
      buffer = command.include?("ember-cli") ? @ember_output : @unicorn_output
      error_msg = "ERROR: Exception in stderr thread: #{e.message}\n"
      buffer << error_msg
      
      # Force GUI update
      GLib::Idle.add do
        update_all_views
        false
      end
    end
  end

  {
    pid: wait_thr.pid,
    stdin: stdin,
    stdout: stdout,
    stderr: stderr,
    thread: wait_thr,
    monitor: monitor_thread
  }
end

#stop_discourse ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 223

def stop_discourse
  cleanup
end

#trim_buffers ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 129

def trim_buffers
  # Trim buffers if they exceed the buffer size
  if @ember_output.size > BUFFER_SIZE
    excess = @ember_output.size - BUFFER_SIZE
    @ember_output.shift(excess)
    @ember_line_count = [@ember_line_count - excess, 0].max
  end
  
  if @unicorn_output.size > BUFFER_SIZE
    excess = @unicorn_output.size - BUFFER_SIZE
    @unicorn_output.shift(excess)
    @unicorn_line_count = [@unicorn_line_count - excess, 0].max
  end
  
  true
end

#update_all_views ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 542

def update_all_views
  puts "DEBUG: update_all_views called" if OPTIONS[:debug]
  
  # Basic validity checks
  return unless @status_window && !@status_window.destroyed?
  return unless @ember_view && @unicorn_view
  
  begin
    # Always update both views for now to ensure content is displayed
    if @ember_view && !@ember_view.destroyed? && @ember_view.child && !@ember_view.child.destroyed?
      update_log_view(@ember_view.child, @ember_output)
    end
    
    if @unicorn_view && !@unicorn_view.destroyed? && @unicorn_view.child && !@unicorn_view.child.destroyed?
      update_log_view(@unicorn_view.child, @unicorn_output)
    end
    
    # Process any pending GTK events
    while Gtk.events_pending?
      Gtk.main_iteration_do(false)
    end
  rescue => e
    puts "DEBUG: Error in update_all_views: #{e.message}" if OPTIONS[:debug]
    puts e.backtrace.join("\n") if OPTIONS[:debug]
  end
end

#update_log_view(text_view, buffer) ⇒ Object

We’re not using ANSI tags anymore since we’re stripping ANSI codes



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# File 'lib/discourse_systray/systray.rb', line 635

def update_log_view(text_view, buffer)
  puts "DEBUG: update_log_view called" if OPTIONS[:debug]
  
  # Basic validity checks
  return if text_view.nil? || text_view.destroyed?
  return if text_view.buffer.nil? || text_view.buffer.destroyed?

  # Debug buffer content
  if OPTIONS[:debug]
    puts "DEBUG: Buffer size: #{buffer.size}"
    if buffer.size > 0
      puts "DEBUG: First line: #{buffer.first.inspect}"
      puts "DEBUG: Last line: #{buffer.last.inspect}"
    end
  end

  # If buffer is empty, add a placeholder message
  if buffer.empty?
    buffer << "No log data available yet. Start Discourse to see logs.\n"
  end

  # Completely replace the buffer content with all lines
  begin
    # Make a local copy of the buffer to avoid race conditions
    buffer_copy = buffer.dup
    
    # Join all buffer lines into a single string
    all_content = buffer_copy.join("")
    
    # Strip ANSI codes
    clean_content = all_content.gsub(/\e\[[0-9;]*[mK]/, '')
    
    # Always update the content to ensure it's displayed
    text_view.buffer.text = clean_content
    
    puts "DEBUG: Updated buffer text (#{clean_content.length} chars)" if OPTIONS[:debug]
    
    # Scroll to bottom
    adj = text_view&.parent&.vadjustment
    if adj
      adj.value = adj.upper - adj.page_size
    end
    
    # Process any pending GTK events to ensure UI updates
    while Gtk.events_pending?
      Gtk.main_iteration_do(false)
    end
  rescue => e
    puts "DEBUG: Error updating text view: #{e.message}" if OPTIONS[:debug]
    puts e.backtrace.join("\n") if OPTIONS[:debug]
    
    # Try a fallback approach
    begin
      text_view.buffer.text = "Error displaying log. See console for details.\n#{e.message}"
    rescue => e2
      puts "DEBUG: Even fallback approach failed: #{e2.message}" if OPTIONS[:debug]
    end
  end
end

#update_tab_labels ⇒ Object 



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# File 'lib/discourse_systray/systray.rb', line 715

def update_tab_labels
  return unless @notebook && !@notebook.destroyed?
  return unless @ember_label && @unicorn_label
  return if @ember_label.destroyed? || @unicorn_label.destroyed?

  [@ember_label, @unicorn_label].each do |label|
    next unless label.children && label.children.length > 1
    next if label.children[1].destroyed?

    is_running = label == @ember_label ? @ember_running : @unicorn_running
    begin
      label.children[1].text = is_running ? "●" : "○"
      label.children[1].override_color(
        :normal,
        Gdk::RGBA.new(
          is_running ? 0.2 : 0.8,
          is_running ? 0.8 : 0.2,
          0.2,
          1
        )
      )
    rescue StandardError => e
      puts "Error updating label: #{e}" if OPTIONS[:debug]
    end
  end
end