turns: perform source cleanup

20 files changed, 363 insertions, 248 deletions

diff --git a/ui/CMakeLists.txt b/ui/CMakeLists.txt
index fa4bc02..b0f790d 100644
--- a/ui/CMakeLists.txt
+++ b/ui/CMakeLists.txt
@@ -6,6 +6,8 @@ add_library("ui"
   "src/widgets/turn_order_view.cpp"
   "src/windows/participant_editor.cpp"
   "src/windows/tracker.cpp"
+  "src/windows/tracker/actions.cpp"
+  "src/windows/tracker/event_handlers.cpp"
 
   $<TARGET_OBJECTS:ui-res>
 )
diff --git a/ui/include/turns/ui/init.hpp b/ui/include/turns/ui/init.hpp
index a1b1184..b872063 100644
--- a/ui/include/turns/ui/init.hpp
+++ b/ui/include/turns/ui/init.hpp
@@ -6,6 +6,6 @@ namespace turns::ui
 
   auto register_types() -> void;
 
-}  // namespace turns::aop
+}  // namespace turns::ui
 
 #endif
\ No newline at end of file
diff --git a/ui/include/turns/ui/widgets/fwd.hpp b/ui/include/turns/ui/widgets/fwd.hpp
index 4d2ddb7..353db58 100644
--- a/ui/include/turns/ui/widgets/fwd.hpp
+++ b/ui/include/turns/ui/widgets/fwd.hpp
@@ -5,6 +5,6 @@ namespace turns::ui::widgets
 {
   struct participant_row;
   struct turn_order_view;
-}  // namespace turns::ui::windows
+}  // namespace turns::ui::widgets
 
 #endif
\ No newline at end of file
diff --git a/ui/include/turns/ui/widgets/participant_row.hpp b/ui/include/turns/ui/widgets/participant_row.hpp
index e7796d3..f33da34 100644
--- a/ui/include/turns/ui/widgets/participant_row.hpp
+++ b/ui/include/turns/ui/widgets/participant_row.hpp
@@ -1,10 +1,11 @@
 #ifndef TURNS_UI_WIDGETS_PARTICIPANT_ROW_HPP
 #define TURNS_UI_WIDGETS_PARTICIPANT_ROW_HPP
 
-#include "turns/ui/widgets/template_widget.hpp"
 #include "turns/core/fwd.hpp"
+#include "turns/ui/widgets/template_widget.hpp"
 
 #include <glibmm/property.h>
+#include <glibmm/propertyproxy.h>
 #include <glibmm/refptr.h>
 
 #include <gtkmm/button.h>
@@ -28,8 +29,8 @@ namespace turns::ui::widgets
 
     participant_row(Glib::RefPtr<core::participant> participant);
 
-    auto property_delete_enabled() -> Glib::PropertyProxy<bool>;
-    auto property_edit_enabled() -> Glib::PropertyProxy<bool>;
+    auto delete_enabled() -> Glib::PropertyProxy<bool>;
+    auto edit_enabled() -> Glib::PropertyProxy<bool>;
 
   private:
     auto handle_delete() -> void;
diff --git a/ui/include/turns/ui/widgets/template_widget.hpp b/ui/include/turns/ui/widgets/template_widget.hpp
index b3e5195..c01fff2 100644
--- a/ui/include/turns/ui/widgets/template_widget.hpp
+++ b/ui/include/turns/ui/widgets/template_widget.hpp
@@ -6,6 +6,8 @@
 
 #include <gtkmm/widget.h>
 
+#include <glib-object.h>
+#include <glib.h>
 #include <gtk/gtk.h>
 
 #include <algorithm>
diff --git a/ui/include/turns/ui/widgets/turn_order_view.hpp b/ui/include/turns/ui/widgets/turn_order_view.hpp
index 6790563..a9a3654 100644
--- a/ui/include/turns/ui/widgets/turn_order_view.hpp
+++ b/ui/include/turns/ui/widgets/turn_order_view.hpp
@@ -2,6 +2,7 @@
 #define TURNS_UI_WIDGETS_TURN_ORDER_VIEW_HPP
 
 #include "turns/core/fwd.hpp"
+#include "turns/core/turn_order.hpp"
 #include "turns/ui/widgets/template_widget.hpp"
 
 #include <glibmm/object.h>
diff --git a/ui/include/turns/ui/windows/fwd.hpp b/ui/include/turns/ui/windows/fwd.hpp
index b0eb69e..f228d7b 100644
--- a/ui/include/turns/ui/windows/fwd.hpp
+++ b/ui/include/turns/ui/windows/fwd.hpp
@@ -5,6 +5,6 @@ namespace turns::ui::windows
 {
   struct participant_editor;
   struct tracker;
-}  // namespace turns::app::windows
+}  // namespace turns::ui::windows
 
 #endif
\ No newline at end of file
diff --git a/ui/include/turns/ui/windows/participant_editor.hpp b/ui/include/turns/ui/windows/participant_editor.hpp
index 3ef8729..8618a0e 100644
--- a/ui/include/turns/ui/windows/participant_editor.hpp
+++ b/ui/include/turns/ui/windows/participant_editor.hpp
@@ -22,7 +22,7 @@ namespace turns::ui::windows
 
   struct participant_editor : Gtk::Widget
   {
-    using signal_finished_type = sigc::signal<void (Glib::ustring, float, core::disposition)>;
+    using signal_finished_type = sigc::signal<void(Glib::ustring, float, core::disposition)>;
 
     participant_editor(BaseObjectType * base, Glib::RefPtr<Gtk::Builder> const builder, Glib::RefPtr<core::participant> obj = {});
 
@@ -49,6 +49,6 @@ namespace turns::ui::windows
     signal_finished_type m_signal_finished{};
   };
 
-}  // namespace turns::app::windows
+}  // namespace turns::ui::windows
 
 #endif
\ No newline at end of file
diff --git a/ui/include/turns/ui/windows/tracker.hpp b/ui/include/turns/ui/windows/tracker.hpp
index f520097..03260f1 100644
--- a/ui/include/turns/ui/windows/tracker.hpp
+++ b/ui/include/turns/ui/windows/tracker.hpp
@@ -4,6 +4,7 @@
 #include "turns/core/turn_order.hpp"
 #include "turns/ui/widgets/turn_order_view.hpp"
 
+#include <glibmm/propertyproxy.h>
 #include <glibmm/refptr.h>
 #include <glibmm/ustring.h>
 #include <glibmm/variant.h>
@@ -19,11 +20,8 @@
 #include <gtkmm/stack.h>
 #include <gtkmm/widget.h>
 
-#include <adwaita.h>
-
-#include <optional>
+#include <exception>
 #include <string>
-#include <stdexcept>
 
 namespace turns::ui::windows
 {
@@ -33,39 +31,42 @@ namespace turns::ui::windows
     tracker(BaseObjectType * base, Glib::RefPtr<Gtk::Builder> const builder);
 
   private:
-    auto do_save() -> void;
-
-    auto handle_add_participant() -> void;
-    auto handle_delete_participant(Glib::VariantBase param) -> void;
-    auto handle_edit_participant(Glib::VariantBase param) -> void;
-    auto handle_open() -> void;
-    auto handle_open_done(Glib::RefPtr<Gio::AsyncResult> result) -> void;
-    auto handle_open_response(Glib::RefPtr<Gio::AsyncResult> result, Glib::RefPtr<Gtk::FileDialog> dialog) -> void;
-    auto handle_save(bool force_ask) -> void;
-    auto handle_save_done(Glib::RefPtr<Gio::AsyncResult> result) -> void;
-    auto handle_save_response(Glib::RefPtr<Gio::AsyncResult> result, Glib::RefPtr<Gtk::FileDialog> dialog) -> void;
-    auto handle_stop() -> void;
-
-
+    /** Setup */
     auto setup_actions() -> void;
-    auto show_error_toast(std::exception const & e) -> void;
 
+    /** Actions */
+    auto add_participant() -> void;
+    auto delete_participant(Glib::VariantBase param) -> void;
+    auto edit_participant(Glib::VariantBase param) -> void;
+    auto open() -> void;
+    auto save(bool force_ask) -> void;
+    auto stop() -> void;
+
+    /** Event Handlers */
+    auto on_open_response(Glib::RefPtr<Gio::AsyncResult> result, Glib::RefPtr<Gtk::FileDialog> dialog) -> void;
+    auto on_save_response(Glib::RefPtr<Gio::AsyncResult> result, Glib::RefPtr<Gtk::FileDialog> dialog) -> void;
+    auto on_load_content_done(Glib::RefPtr<Gio::AsyncResult> result) -> void;
+    auto on_replace_content_done(Glib::RefPtr<Gio::AsyncResult> result) -> void;
+
+    /** Helpers */
+    auto show_error(std::exception const & e) -> void;
+    auto show_toast(std::string const & message) -> void;
+    auto start_replace_content() -> void;
     auto update_subtitle() -> void;
 
-    AdwApplicationWindow * m_adw;
     Gtk::Revealer * m_controls;
     Gtk::Widget * m_empty;
-    AdwToastOverlay * m_overlay;
+    Gtk::Widget * m_overlay;
     Gtk::Stack * m_stack;
     Gtk::Button * m_start;
-    AdwWindowTitle * m_title;
+    Gtk::Widget * m_title;
     Glib::RefPtr<core::turn_order> m_turn_order;
     widgets::turn_order_view * m_turn_order_view;
     Glib::PropertyProxy<Glib::ustring> m_subtitle;
 
-    std::string m_file_tag{};
     Glib::RefPtr<Gio::File> m_file{};
-    std::string m_buffer{};
+    std::string m_file_etag{};
+    std::string m_file_buffer{};
   };
 
 }  // namespace turns::ui::windows
diff --git a/ui/src/init.cpp b/ui/src/init.cpp
index e1b8cc3..8d48ced 100644
--- a/ui/src/init.cpp
+++ b/ui/src/init.cpp
@@ -1,4 +1,4 @@
-#include "turns/core/init.hpp"
+#include "turns/ui/init.hpp"
 
 #include "turns/ui/widgets/participant_row.hpp"
 #include "turns/ui/widgets/turn_order_view.hpp"
@@ -12,4 +12,4 @@ namespace turns::ui
     static_cast<void>(widgets::turn_order_view{{}});
   }
 
-}  // namespace turns::core
\ No newline at end of file
+}  // namespace turns::ui
\ No newline at end of file
diff --git a/ui/src/widgets/participant_row.cpp b/ui/src/widgets/participant_row.cpp
index 29e9100..305336e 100644
--- a/ui/src/widgets/participant_row.cpp
+++ b/ui/src/widgets/participant_row.cpp
@@ -3,14 +3,26 @@
 #include "turns/core/disposition.hpp"
 #include "turns/core/participant.hpp"
 #include "turns/lang/messages.hpp"
+#include "turns/ui/widgets/template_widget.hpp"
+
+#include <sigc++/functors/mem_fun.h>
 
 #include <glibmm/binding.h>
 #include <glibmm/i18n.h>
+#include <glibmm/objectbase.h>
+#include <glibmm/propertyproxy.h>
+#include <glibmm/refptr.h>
 #include <glibmm/ustring.h>
 #include <glibmm/variant.h>
 
+#include <gtkmm/button.h>
+#include <gtkmm/label.h>
+#include <gtkmm/listboxrow.h>
+#include <gtkmm/togglebutton.h>
+
 #include <algorithm>
 #include <format>
+#include <vector>
 
 namespace turns::ui::widgets
 {
@@ -64,10 +76,10 @@ namespace turns::ui::widgets
                                  [](auto active) { return active ? "face-sick-symbolic" : "face-smile-symbolic"; });
 
     // clang-format off
-    Glib::Binding::bind_property(property_delete_enabled(),
+    Glib::Binding::bind_property(delete_enabled(),
                                  m_delete->property_sensitive(),
                                  Glib::Binding::Flags::SYNC_CREATE);
-    Glib::Binding::bind_property(property_edit_enabled(),
+    Glib::Binding::bind_property(edit_enabled(),
                                  m_edit->property_sensitive(),
                                  Glib::Binding::Flags::SYNC_CREATE);
     // clang-format on
@@ -108,12 +120,12 @@ namespace turns::ui::widgets
     }
   }
 
-  auto participant_row::property_delete_enabled() -> Glib::PropertyProxy<bool>
+  auto participant_row::delete_enabled() -> Glib::PropertyProxy<bool>
   {
     return m_delete_enabled.get_proxy();
   }
 
-  auto participant_row::property_edit_enabled() -> Glib::PropertyProxy<bool>
+  auto participant_row::edit_enabled() -> Glib::PropertyProxy<bool>
   {
     return m_edit_enabled.get_proxy();
   }
@@ -130,4 +142,4 @@ namespace turns::ui::widgets
     activate_action("win.edit", index);
   }
 
-}  // namespace turns::app::widgets
\ No newline at end of file
+}  // namespace turns::ui::widgets
\ No newline at end of file
diff --git a/ui/src/widgets/turn_order_view.cpp b/ui/src/widgets/turn_order_view.cpp
index 66042da..f3db3c4 100644
--- a/ui/src/widgets/turn_order_view.cpp
+++ b/ui/src/widgets/turn_order_view.cpp
@@ -1,12 +1,21 @@
 #include "turns/ui/widgets/turn_order_view.hpp"
 
 #include "turns/core/participant.hpp"
-#include "turns/core/turn_order.hpp"
 #include "turns/ui/widgets/participant_row.hpp"
+#include "turns/ui/widgets/template_widget.hpp"
 
 #include <sigc++/functors/mem_fun.h>
 
 #include <glibmm/binding.h>
+#include <glibmm/object.h>
+#include <glibmm/objectbase.h>
+#include <glibmm/refptr.h>
+
+#include <gtkmm/enums.h>
+#include <gtkmm/listbox.h>
+#include <gtkmm/object.h>
+#include <gtkmm/progressbar.h>
+#include <gtkmm/widget.h>
 
 #include <memory>
 
@@ -42,14 +51,14 @@ namespace turns::ui::widgets
     auto row = Gtk::make_managed<widgets::participant_row>(participant);
 
     Glib::Binding::bind_property(m_model->is_running(),
-                                 row->property_delete_enabled(),
+                                 row->delete_enabled(),
                                  Glib::Binding::Flags::SYNC_CREATE | Glib::Binding::Flags::INVERT_BOOLEAN);
 
     Glib::Binding::bind_property(m_model->is_running(),
-                                 row->property_edit_enabled(),
+                                 row->edit_enabled(),
                                  Glib::Binding::Flags::SYNC_CREATE | Glib::Binding::Flags::INVERT_BOOLEAN);
 
     return row;
   }
 
-}  // namespace turns::app::widgets
\ No newline at end of file
+}  // namespace turns::ui::widgets
\ No newline at end of file
diff --git a/ui/src/windows/participant_editor.cpp b/ui/src/windows/participant_editor.cpp
index 63c09c4..e41bc92 100644
--- a/ui/src/windows/participant_editor.cpp
+++ b/ui/src/windows/participant_editor.cpp
@@ -4,13 +4,29 @@
 #include "turns/core/participant.hpp"
 #include "turns/lang/messages.hpp"
 
+#include <sigc++/functors/mem_fun.h>
+
 #include <glibmm/i18n.h>
+#include <glibmm/refptr.h>
 
+#include <gtkmm/builder.h>
+#include <gtkmm/button.h>
 #include <gtkmm/editable.h>
 #include <gtkmm/label.h>
 #include <gtkmm/listboxrow.h>
+#include <gtkmm/listitem.h>
+#include <gtkmm/object.h>
+#include <gtkmm/signallistitemfactory.h>
+#include <gtkmm/stringlist.h>
 #include <gtkmm/stringobject.h>
+#include <gtkmm/widget.h>
+
+#include <adwaita.h>
+#include <gio/gio.h>
+#include <gtk/gtk.h>
 
+#include <cstdint>
+#include <memory>
 #include <ranges>
 
 namespace turns::ui::windows
@@ -88,4 +104,4 @@ namespace turns::ui::windows
     item->set_child(*Gtk::make_managed<Gtk::Label>());
   }
 
-}  // namespace turns::app::windows
\ No newline at end of file
+}  // namespace turns::ui::windows
\ No newline at end of file
diff --git a/ui/src/windows/tracker.cpp b/ui/src/windows/tracker.cpp
index 6c248fe..e64eb18 100644
--- a/ui/src/windows/tracker.cpp
+++ b/ui/src/windows/tracker.cpp
@@ -1,68 +1,50 @@
 #include "turns/ui/windows/tracker.hpp"
 
-#include "turns/core/participant.hpp"
 #include "turns/core/turn_order.hpp"
 #include "turns/lang/messages.hpp"
-#include "turns/ui/windows/participant_editor.hpp"
+#include "turns/ui/widgets/turn_order_view.hpp"
 
-#include <sigc++/bind.h>
+#include <sigc++/adaptors/bind.h>
 #include <sigc++/functors/mem_fun.h>
 
 #include <glibmm/binding.h>
 #include <glibmm/i18n.h>
+#include <glibmm/refptr.h>
+#include <glibmm/varianttype.h>
 
 #include <giomm/liststore.h>
 
+#include <gtkmm/applicationwindow.h>
+#include <gtkmm/builder.h>
+#include <gtkmm/button.h>
 #include <gtkmm/error.h>
 #include <gtkmm/filedialog.h>
+#include <gtkmm/object.h>
+#include <gtkmm/revealer.h>
+#include <gtkmm/stack.h>
+#include <gtkmm/widget.h>
 
 #include <adwaita.h>
 #include <nlohmann/json.hpp>
 
+#include <exception>
 #include <format>
-#include <stdexcept>
-#include <string_view>
-#include <utility>
+#include <string>
 
 namespace turns::ui::windows
 {
 
-  namespace
-  {
-    auto editor_for(Glib::RefPtr<core::participant> participant)
-    {
-      auto builder = Gtk::Builder::create_from_resource("/windows/participant_editor.ui");
-      return std::pair{builder, Gtk::Builder::get_widget_derived<windows::participant_editor>(builder, "participant_editor", participant)};
-    }
-
-    auto stop_dialog_callback(AdwAlertDialog * dialog, GAsyncResult * result, core::turn_order * order)
-    {
-      auto response = Glib::ustring{adw_alert_dialog_choose_finish(dialog, result)};
-      if (response == "cancel")
-      {
-        return;
-      }
-      if (response == "clear")
-      {
-        order->clear();
-      }
-      order->stop();
-    }
-
-  }  // namespace
-
   tracker::tracker(BaseObjectType * base, Glib::RefPtr<Gtk::Builder> const builder)
       : Gtk::ApplicationWindow{base}
-      , m_adw{ADW_APPLICATION_WINDOW(gobj())}
       , m_controls{builder->get_widget<Gtk::Revealer>("controls")}
-      , m_empty(builder->get_widget<Gtk::Widget>("empty"))
-      , m_overlay{ADW_TOAST_OVERLAY(builder->get_widget<Gtk::Widget>("overlay")->gobj())}
+      , m_empty{builder->get_widget<Gtk::Widget>("empty")}
+      , m_overlay{builder->get_widget<Gtk::Widget>("overlay")}
       , m_stack{builder->get_widget<Gtk::Stack>("stack")}
       , m_start{builder->get_widget<Gtk::Button>("start")}
-      , m_title(ADW_WINDOW_TITLE(builder->get_widget<Gtk::Widget>("title")->gobj()))
+      , m_title{builder->get_widget<Gtk::Widget>("title")}
       , m_turn_order{core::turn_order::create()}
       , m_turn_order_view{Gtk::make_managed<widgets::turn_order_view>(m_turn_order)}
-      , m_subtitle{Glib::wrap(GTK_WIDGET(m_title)), "subtitle"}
+      , m_subtitle{m_title, "subtitle"}
   {
     setup_actions();
 
@@ -84,168 +66,12 @@ namespace turns::ui::windows
     // clang-format on
   }
 
-  auto tracker::do_save() -> void
-  {
-    m_buffer = m_turn_order->serialize().dump(2);
-    m_file->replace_contents_async(sigc::mem_fun(*this, &tracker::handle_save_done), m_buffer, m_file_tag);
-  }
-
-  auto tracker::handle_add_participant() -> void
-  {
-    auto [lifeline, dialog] = editor_for(nullptr);
-    dialog->present(this);
-    dialog->signal_finished().connect([this](auto n, auto p, auto d) { m_turn_order->add(n, p, d); });
-  }
-
-  auto tracker::handle_delete_participant(Glib::VariantBase param) -> void
-  {
-    auto index = Glib::VariantBase::cast_dynamic<Glib::Variant<int>>(param);
-    m_turn_order->remove(index.get());
-  }
-
-  auto tracker::handle_edit_participant(Glib::VariantBase param) -> void
-  {
-    static_cast<void>(param);
-    auto index = Glib::VariantBase::cast_dynamic<Glib::Variant<int>>(param);
-    auto participant = m_turn_order->get_typed_object<core::participant>(index.get());
-    auto [lifeline, dialog] = editor_for(participant);
-    dialog->present(this);
-  }
-
-  auto tracker::handle_open() -> void
-  {
-    auto filters = Gio::ListStore<Gtk::FileFilter>::create();
-    auto filter = Gtk::FileFilter::create();
-    filter->set_name(_("Turns Files"));
-    filter->add_pattern("*.trns");
-    filters->append(filter);
-
-    auto dialog = Gtk::FileDialog::create();
-    dialog->set_filters(filters);
-    dialog->open(sigc::bind(sigc::mem_fun(*this, &tracker::handle_open_response), dialog));
-  }
-
-  auto tracker::handle_open_done(Glib::RefPtr<Gio::AsyncResult> result) -> void
-  try
-  {
-    set_sensitive();
-    char * data{};
-    auto size = std::size_t{};
-    if (!m_file->load_contents_finish(result, data, size, m_file_tag))
-    {
-      m_file.reset();
-      m_file_tag.clear();
-      return;
-    }
-    auto deserialized = nlohmann::json::parse(std::string_view{data, size});
-    m_turn_order->load(deserialized);
-    auto name = m_file->get_basename();
-    auto message = std::vformat(_(lang::successfully_opened_format), std::make_format_args(name));
-    auto toast = adw_toast_new(message.c_str());
-    adw_toast_overlay_add_toast(m_overlay, toast);
-    set_title(std::format("{} - {}", _(lang::turns), name));
-  }
-  catch (std::exception const & e)
-  {
-    show_error_toast(e);
-  }
-
-  auto tracker::handle_open_response(Glib::RefPtr<Gio::AsyncResult> result, Glib::RefPtr<Gtk::FileDialog> dialog) -> void
-  try
-  {
-    m_file = dialog->open_finish(result);
-    m_file->load_contents_async(sigc::mem_fun(*this, &tracker::handle_open_done));
-    set_sensitive(false);
-  }
-  catch (std::exception const & e)
-  {
-    set_sensitive();
-    show_error_toast(e);
-  }
-
-  auto tracker::handle_save(bool force_ask) -> void
-  {
-    if (m_file && !force_ask)
-    {
-      do_save();
-    }
-    else
-    {
-      auto filters = Gio::ListStore<Gtk::FileFilter>::create();
-      auto filter = Gtk::FileFilter::create();
-      filter->set_name(_("Turns Files"));
-      filter->add_pattern("*.trns");
-      filters->append(filter);
-
-      auto dialog = Gtk::FileDialog::create();
-      if (m_file)
-      {
-        dialog->set_initial_file(m_file);
-      }
-      else
-      {
-        dialog->set_initial_name(_(lang::new_turn_order_file_name));
-      }
-      dialog->set_filters(filters);
-      dialog->save(*this, sigc::bind(sigc::mem_fun(*this, &tracker::handle_save_response), dialog));
-    }
-  }
-
-  auto tracker::handle_save_done(Glib::RefPtr<Gio::AsyncResult> result) -> void
-  try
-  {
-    set_sensitive();
-    m_file->replace_contents_finish(result, m_file_tag);
-    auto name = m_file->get_basename();
-    auto message = std::vformat(_(lang::successfully_saved_format), std::make_format_args(name));
-    auto toast = adw_toast_new(message.c_str());
-    adw_toast_overlay_add_toast(m_overlay, toast);
-    set_title(std::format("{} - {}", _(lang::turns), name));
-  }
-  catch (Gio::Error const & e)
-  {
-    show_error_toast(e);
-  }
-
-  auto tracker::handle_save_response(Glib::RefPtr<Gio::AsyncResult> result, Glib::RefPtr<Gtk::FileDialog> dialog) -> void
-  try
-  {
-    m_file = dialog->save_finish(result);
-    do_save();
-    set_sensitive(false);
-  }
-  catch (Gtk::DialogError const & e)
-  {
-    if (e.code() == Gtk::DialogError::FAILED)
-    {
-      show_error_toast(e);
-    }
-  }
-
-  auto tracker::handle_stop() -> void
-  {
-    auto dialog = ADW_ALERT_DIALOG(adw_alert_dialog_new(_(lang::stop_turn_order), _(lang::question_clear_turn_order)));
-    adw_alert_dialog_add_response(dialog, "stop", _(lang::stop));
-    adw_alert_dialog_set_response_appearance(dialog, "stop", ADW_RESPONSE_SUGGESTED);
-    adw_alert_dialog_add_response(dialog, "clear", _(lang::stop_and_clear));
-    adw_alert_dialog_set_response_appearance(dialog, "clear", ADW_RESPONSE_DESTRUCTIVE);
-    adw_alert_dialog_add_response(dialog, "cancel", _(lang::cancel));
-    adw_alert_dialog_set_response_appearance(dialog, "cancel", ADW_RESPONSE_DEFAULT);
-    adw_alert_dialog_set_close_response(dialog, "cancel");
-    adw_alert_dialog_set_default_response(dialog, "cancel");
-    adw_alert_dialog_choose(dialog,
-                            GTK_WIDGET(this->gobj()),
-                            NULL,
-                            reinterpret_cast<GAsyncReadyCallback>(stop_dialog_callback),
-                            m_turn_order.get());
-  }
-
   auto tracker::setup_actions() -> void
   {
     // win.add_participant
     // depends-on: turn_order:state == stopped
     {
-      auto action = add_action("add_participant", sigc::mem_fun(*this, &tracker::handle_add_participant));
+      auto action = add_action("add_participant", sigc::mem_fun(*this, &tracker::add_participant));
 
       Glib::Binding::bind_property(m_turn_order->is_running(),
                                    action->property_enabled(),
@@ -295,7 +121,7 @@ namespace turns::ui::windows
     // win.stop
     // depends-on: turn_order:running == true
     {
-      auto action = add_action("stop", sigc::mem_fun(*this, &tracker::handle_stop));
+      auto action = add_action("stop", sigc::mem_fun(*this, &tracker::stop));
 
       Glib::Binding::bind_property(m_turn_order->is_running(), action->property_enabled(), Glib::Binding::Flags::SYNC_CREATE);
     }
@@ -304,15 +130,15 @@ namespace turns::ui::windows
     // win.edit
     // win.open
     {
-      add_action_with_parameter("delete", Glib::VARIANT_TYPE_INT32, sigc::mem_fun(*this, &tracker::handle_delete_participant));
-      add_action_with_parameter("edit", Glib::VARIANT_TYPE_INT32, sigc::mem_fun(*this, &tracker::handle_edit_participant));
-      add_action("open", sigc::mem_fun(*this, &tracker::handle_open));
+      add_action_with_parameter("delete", Glib::VARIANT_TYPE_INT32, sigc::mem_fun(*this, &tracker::delete_participant));
+      add_action_with_parameter("edit", Glib::VARIANT_TYPE_INT32, sigc::mem_fun(*this, &tracker::edit_participant));
+      add_action("open", sigc::mem_fun(*this, &tracker::open));
     }
 
     // win.save
     // depends-on: turn_order:is_empty == false
     {
-      auto action = add_action("save", sigc::bind(sigc::mem_fun(*this, &tracker::handle_save), false));
+      auto action = add_action("save", sigc::bind(sigc::mem_fun(*this, &tracker::save), false));
 
       Glib::Binding::bind_property(m_turn_order->is_empty(),
                                    action->property_enabled(),
@@ -322,7 +148,7 @@ namespace turns::ui::windows
     // win.save-as
     // depends-on: turn_order:is_empty == false
     {
-      auto action = add_action("save-as", sigc::bind(sigc::mem_fun(*this, &tracker::handle_save), true));
+      auto action = add_action("save-as", sigc::bind(sigc::mem_fun(*this, &tracker::save), true));
 
       Glib::Binding::bind_property(m_turn_order->is_empty(),
                                    action->property_enabled(),
@@ -330,12 +156,22 @@ namespace turns::ui::windows
     }
   }
 
-  auto tracker::show_error_toast(std::exception const & e) -> void
+  auto tracker::start_replace_content() -> void
+  {
+    m_file_buffer = m_turn_order->serialize().dump(2);
+    m_file->replace_contents_async(sigc::mem_fun(*this, &tracker::on_replace_content_done), m_file_buffer, m_file_etag);
+  }
+
+  auto tracker::show_error(std::exception const & e) -> void
   {
     auto error = e.what();
-    auto message = std::vformat(_(lang::saving_failed_format), std::make_format_args(error));
+    show_toast(std::vformat(_(lang::saving_failed_format), std::make_format_args(error)));
+  }
+
+  auto tracker::show_toast(std::string const & message) -> void
+  {
     auto toast = adw_toast_new(message.c_str());
-    adw_toast_overlay_add_toast(m_overlay, toast);
+    adw_toast_overlay_add_toast(ADW_TOAST_OVERLAY(m_overlay->gobj()), toast);
   }
 
   auto tracker::update_subtitle() -> void
diff --git a/ui/src/windows/tracker/actions.cpp b/ui/src/windows/tracker/actions.cpp
new file mode 100644
index 0000000..9da2e0c
--- /dev/null
+++ b/ui/src/windows/tracker/actions.cpp
@@ -0,0 +1,123 @@
+#include "turns/core/participant.hpp"
+#include "turns/core/turn_order.hpp"
+#include "turns/lang/messages.hpp"
+#include "turns/ui/windows/participant_editor.hpp"
+#include "turns/ui/windows/tracker.hpp"
+
+#include <sigc++/adaptors/bind.h>
+#include <sigc++/functors/mem_fun.h>
+
+#include <glibmm/i18n.h>
+#include <glibmm/refptr.h>
+#include <glibmm/ustring.h>
+#include <glibmm/variant.h>
+
+#include <giomm/liststore.h>
+
+#include <gtkmm/builder.h>
+#include <gtkmm/filedialog.h>
+#include <gtkmm/filefilter.h>
+
+#include <adwaita.h>
+#include <gio/gio.h>
+#include <gtk/gtk.h>
+
+#include <utility>
+
+namespace turns::ui::windows
+{
+  namespace
+  {
+    auto editor_for(Glib::RefPtr<core::participant> participant)
+    {
+      auto builder = Gtk::Builder::create_from_resource("/windows/participant_editor.ui");
+      return std::pair{builder, Gtk::Builder::get_widget_derived<participant_editor>(builder, "participant_editor", participant)};
+    }
+
+    auto stop_dialog_callback(AdwAlertDialog * dialog, GAsyncResult * result, core::turn_order * order)
+    {
+      auto response = Glib::ustring{adw_alert_dialog_choose_finish(dialog, result)};
+      if (response == "cancel")
+      {
+        return;
+      }
+      if (response == "clear")
+      {
+        order->clear();
+      }
+      order->stop();
+    }
+
+    auto file_filters()
+    {
+      auto filters = Gio::ListStore<Gtk::FileFilter>::create();
+      auto filter = Gtk::FileFilter::create();
+      filter->set_name(_("Turns Files"));
+      filter->add_pattern("*.trns");
+      filters->append(filter);
+      return filters;
+    }
+  }  // namespace
+
+  auto tracker::add_participant() -> void
+  {
+    auto [lifeline, dialog] = editor_for(nullptr);
+    dialog->present(this);
+    dialog->signal_finished().connect([this](auto n, auto p, auto d) { m_turn_order->add(n, p, d); });
+  }
+
+  auto tracker::delete_participant(Glib::VariantBase param) -> void
+  {
+    auto index = Glib::VariantBase::cast_dynamic<Glib::Variant<int>>(param);
+    m_turn_order->remove(index.get());
+  }
+
+  auto tracker::edit_participant(Glib::VariantBase param) -> void
+  {
+    static_cast<void>(param);
+    auto index = Glib::VariantBase::cast_dynamic<Glib::Variant<int>>(param);
+    auto participant = m_turn_order->get_typed_object<core::participant>(index.get());
+    auto [lifeline, dialog] = editor_for(participant);
+    dialog->present(this);
+  }
+
+  auto tracker::open() -> void
+  {
+    auto dialog = Gtk::FileDialog::create();
+    dialog->set_filters(file_filters());
+    dialog->open(sigc::bind(sigc::mem_fun(*this, &tracker::on_open_response), dialog));
+  }
+
+  auto tracker::save(bool force_ask) -> void
+  {
+    if (m_file && !force_ask)
+    {