updated glade files to newer version c:

also some smol cleanup

AboutDialogue.cs

@@ -0,0 +1,15 @@
+using Gtk;
+
+namespace Buypeeb {
+	public class AboutDialogue : AboutDialog {
+		public AboutDialogue() : this(new Builder("about.glade")) { }
+
+		private AboutDialogue(Builder builder) : base(builder.GetObject("DialogueAbout").Handle) {
+			builder.Autoconnect(this);
+		}
+
+		public void ButtonCloseClicked(object sender, ResponseArgs args) {
+			Dispose();
+		}
+	}
+}

AddItemDialogue.cs

@@ -2,9 +2,6 @@ using Gtk;
 
 namespace Buypeeb {
 	internal class AddItemDialogue : Dialog {
-		public Entry entryURL { get; }
-		public Entry entryName { get; }
-
 		public AddItemDialogue() : this(new Builder("add.glade")) { }
 
 		private AddItemDialogue(Builder builder) : base(builder.GetObject("DialogueAdd").Handle) {
@@ -15,6 +12,9 @@ namespace Buypeeb {
 			DeleteEvent += Window_Shutdown;
 		}
 
+		public Entry entryURL { get; }
+		public Entry entryName { get; }
+
 		private static void Window_Shutdown(object sender, DeleteEventArgs args) {
 			Application.Quit();
 		}

MainWindow.cs

@@ -24,6 +24,7 @@ using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Net;
+using System.Net.Http;
 using System.Text.Encodings.Web;
 using System.Text.Json;
 using System.Text.RegularExpressions;
@@ -39,65 +40,28 @@ using Timeout = GLib.Timeout;
 namespace Buypeeb {
 	[SuppressMessage("ReSharper", "UnusedMember.Local")]
 	internal class MainWindow : Window {
-		private readonly string location;
-		private readonly JsonSerializerOptions jsonOptions;
+		// ...to here.
+
+		private static readonly SemaphoreSlim TaskLimit = new(6);
+		private readonly Builder builder;
+		private readonly Label endingLabel;
+		private readonly Dictionary<string, CheckButton> filterChecks = new();
+		private readonly HttpClient httpClient;
 
 		private readonly ListStore items;
-		private Settings settings;
 		private readonly TreeView itemTreeView;
-		private readonly Builder builder;
+		private readonly JsonSerializerOptions jsonOptions;
+		private readonly string location;
+		private readonly SearchEntry searchEntry;
 
 		// TODO: whenever we get something from the builder, cache it for later
 		// that way we don't need to constantly do "builder.GetObject"s
 		// when that is done, you can use the cache array to replace everything from here...
 
 		private readonly Box selectionViewBox;
-		private readonly Label endingLabel;
+		private readonly Queue<string> updateQueue = new();
 		private bool queueActive;
-		private readonly SearchEntry searchEntry;
-		private readonly Dictionary<string, CheckButton> filterChecks = new Dictionary<string, CheckButton>();
-
-		// ...to here.
-
-		private static readonly SemaphoreSlim TaskLimit = new SemaphoreSlim(6);
-		private readonly Queue<string> updateQueue = new Queue<string>();
-
-		private IEnumerable<YahooAuctionsItem> filterQuery =>
-			// father forgive me for i have lynned
-			from item in settings.watchlist.Values.ToList()
-			where (item.favourite != filterChecks["Favourites"].Active ||
-			       item.favourite == filterChecks["NonFavourites"].Active) &&
-			      (item.Available != filterChecks["Active"].Active ||
-			       item.Available == filterChecks["Ended"].Active) &&
-			      (item.endingToday != filterChecks["EndingToday"].Active ||
-			       item.endingToday == filterChecks["EndingAfterToday"].Active) &&
-			      (item.hasWinPrice != filterChecks["WithWinPrice"].Active ||
-			       item.hasWinPrice == filterChecks["WithNoWinPrice"].Active) &&
-			      (string.IsNullOrWhiteSpace(searchEntry.Text) ||
-			       item.name.ToLower().Contains(searchEntry.Text.ToLower()) ||
-			       item.originalName.ToLower().Contains(searchEntry.Text.ToLower()))
-			select item;
-
-		private IEnumerable<YahooAuctionsItem> outdatedItemQuery =>
-			// only returns items that meet all of the following:
-			// - marked as "ready", as in, they aren't in the process of updating
-			// - not updated since the interval
-			// - hasn't already ended
-			from item in settings.watchlist.Values.ToList()
-			where item.Ready && settings.ItemNotUpdatedSinceInterval(item) && item.endDate.CompareTo(DateTime.UtcNow) > 0
-			select item;
-
-		private YahooAuctionsItem selectedItem {
-			get {
-				if (itemTreeView.Selection.CountSelectedRows() == 0) {
-					// avoids incurring the wrath of Gtk-CRITICAL **
-					return null;
-				}
-
-				itemTreeView.Selection.GetSelected(out var iter);
-				return (YahooAuctionsItem) itemTreeView.Model.GetValue(iter, 0);
-			}
-		}
+		private Settings settings;
 
 		public MainWindow() : this(new Builder("main.glade")) {
 		}
@@ -108,16 +72,20 @@ namespace Buypeeb {
 				Encoder = JavaScriptEncoder.Create(UnicodeRanges.All),
 			};
 
-			if (Environment.OSVersion.Platform == PlatformID.Win32NT) {
-				// C:\Users\Beebus\AppData\Roaming\Lynnear Software\buypeeb
+			if (Environment.OSVersion.Platform ==
+			    PlatformID.Win32NT) // C:\Users\Beebus\AppData\Roaming\Lynnear Software\buypeeb
+			{
 				location = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
 					"Lynnear Software", "buypeeb");
-			} else {
-				// ~/.config/Lynnear Software/buypeeb
+			} else // ~/.config/Lynnear Software/buypeeb
+			{
 				location = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".config",
 					"Lynnear Software", "buypeeb");
 			}
 
+			// initialise http client
+			httpClient = new HttpClient();
+
 			var userdata = System.IO.Path.Combine(location, "userdata.json");
 			if (File.Exists(userdata)) {
 				try {
@@ -188,6 +156,43 @@ namespace Buypeeb {
 			DeleteEvent += WindowShutdown;
 		}
 
+		private IEnumerable<YahooAuctionsItem> filterQuery =>
+			// father forgive me for i have lynned
+			from item in settings.watchlist.Values.ToList()
+			where (item.favourite != filterChecks["Favourites"].Active ||
+			       item.favourite == filterChecks["NonFavourites"].Active) &&
+			      (item.Available != filterChecks["Active"].Active ||
+			       item.Available == filterChecks["Ended"].Active) &&
+			      (item.endingToday != filterChecks["EndingToday"].Active ||
+			       item.endingToday == filterChecks["EndingAfterToday"].Active) &&
+			      (item.hasWinPrice != filterChecks["WithWinPrice"].Active ||
+			       item.hasWinPrice == filterChecks["WithNoWinPrice"].Active) &&
+			      (string.IsNullOrWhiteSpace(searchEntry.Text) ||
+			       item.name.ToLower().Contains(searchEntry.Text.ToLower()) ||
+			       item.originalName.ToLower().Contains(searchEntry.Text.ToLower()))
+			select item;
+
+		private IEnumerable<YahooAuctionsItem> outdatedItemQuery =>
+			// only returns items that meet all of the following:
+			// - marked as "ready", as in, they aren't in the process of updating
+			// - not updated since the interval
+			// - hasn't already ended
+			from item in settings.watchlist.Values.ToList()
+			where item.Ready && settings.ItemNotUpdatedSinceInterval(item) && item.endDate.CompareTo(DateTime.UtcNow) > 0
+			select item;
+
+		private YahooAuctionsItem selectedItem {
+			get {
+				if (itemTreeView.Selection.CountSelectedRows() == 0) // avoids incurring the wrath of Gtk-CRITICAL **
+				{
+					return null;
+				}
+
+				itemTreeView.Selection.GetSelected(out var iter);
+				return (YahooAuctionsItem) itemTreeView.Model.GetValue(iter, 0);
+			}
+		}
+
 		private void WindowShutdown(object sender, DeleteEventArgs args) {
 			SaveSettings();
 			Application.Quit();
@@ -196,7 +201,7 @@ namespace Buypeeb {
 		// general behaviour
 
 		/// <summary>
-		/// gets the path and iter for a given item id.
+		///   gets the path and iter for a given item id.
 		/// </summary>
 		/// <param name="id">the item id to find in the treeview</param>
 		/// <returns>a tuple of (TreePath, TreeIter)</returns>
@@ -219,7 +224,7 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// saves the settings to userdata.json.
+		///   saves the settings to userdata.json.
 		/// </summary>
 		private void SaveSettings() {
 			var j = JsonSerializer.Serialize(settings, jsonOptions);
@@ -234,10 +239,10 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// updates the item with the given id. this method blocks and is intended to be run from a task.
+		///   updates the item with the given id. this method blocks and is intended to be run from a task.
 		/// </summary>
 		/// <param name="id">the id of the item to update</param>
-		private void UpdateThread(string id) {
+		private async void UpdateThread(string id) {
 			var item = settings.watchlist[id];
 			// Console.WriteLine($"Updating {id}...");
 			// set item.ready to false to show that it's still being updated
@@ -253,18 +258,13 @@ namespace Buypeeb {
 				}
 			});
 
-			using (var client = new WebClient()) {
-				// TODO: download should have timeout
-				try {
-					// item.Update(client.DownloadString("http://10.0.0.10/poop"));
-					item.Update(client.DownloadString(item.url));
-				} catch (WebException e) {
-					if (((HttpWebResponse) e.Response).StatusCode == HttpStatusCode.NotFound) {
-						// the auction has ended (or otherwise been removed)
-						item.AuctionEnded();
-					} else {
-						Console.WriteLine($"Failed to update item ${id}!");
-					}
+			try {
+				item.Update(await httpClient.GetStringAsync(item.url));
+			} catch (HttpRequestException e) {
+				if (e.StatusCode == HttpStatusCode.NotFound) {
+					item.AuctionEnded();
+				} else {
+					Console.WriteLine($"Failed to update item ${id}! Status code ${e.StatusCode}: ${e.Message}");
 				}
 			}
 
@@ -286,7 +286,7 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// processes the update queue. this is a blocking function.
+		///   processes the update queue. this is a blocking function.
 		/// </summary>
 		private void ProcessUpdateQueue() {
 			queueActive = true;
@@ -297,7 +297,7 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// updates an item with the given id with a new task.
+		///   updates an item with the given id with a new task.
 		/// </summary>
 		/// <param name="id">the id of the task to update</param>
 		/// <param name="renderListWhenDone">whether or not to call this.RenderList() after updating the item</param>
@@ -319,8 +319,8 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// add every item in the watchlist to the update queue. if the update queue is already being processed
-		/// (this.queueActive), this will do nothing.
+		///   add every item in the watchlist to the update queue. if the update queue is already being processed
+		///   (this.queueActive), this will do nothing.
 		/// </summary>
 		private void UpdateItems() {
 			if (queueActive) {
@@ -347,7 +347,7 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// updates the selection view, displaying the id, name, etc. for the currently selected item.
+		///   updates the selection view, displaying the id, name, etc. for the currently selected item.
 		/// </summary>
 		private void UpdateSelectionView() {
 			// get the currently selected item
@@ -397,7 +397,7 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// opens a URL in the user's browser.
+		///   opens a URL in the user's browser.
 		/// </summary>
 		/// <param name="url">the url to open</param>
 		private static void OpenUrl(string url) {
@@ -409,25 +409,25 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// a simple MessageDialog constructor.
+		///   a simple MessageDialog constructor.
 		/// </summary>
 		/// <param name="message">the MessageDialog's format</param>
 		/// <param name="buttonsType">the MessageDialog's bt</param>
 		/// <returns></returns>
 		private MessageDialog MsgBox(string message, ButtonsType buttonsType = ButtonsType.OkCancel) {
 			var md = new MessageDialog(
-				parent_window: this,
-				flags: DialogFlags.DestroyWithParent | DialogFlags.Modal,
-				type: MessageType.Question,
-				bt: buttonsType,
-				format: message
+				this,
+				DialogFlags.DestroyWithParent | DialogFlags.Modal,
+				MessageType.Question,
+				buttonsType,
+				message
 			) {KeepAbove = true, Resizable = false, FocusOnMap = true, Title = "Buypeeb"};
 
 			return md;
 		}
 
 		/// <summary>
-		/// show a simple entry dialogue that allows the user to enter text and either cancel or submit it.
+		///   show a simple entry dialogue that allows the user to enter text and either cancel or submit it.
 		/// </summary>
 		/// <param name="title">the title of the entry dialogue</param>
 		/// <param name="message">the prompt that should be presented to the user</param>
@@ -437,9 +437,9 @@ namespace Buypeeb {
 			string title = "Buypeeb", string message = "Hi there!", string prefill = null
 		) {
 			var ed = new Dialog(
-				title: title,
-				parent: this,
-				flags: DialogFlags.DestroyWithParent | DialogFlags.Modal,
+				title,
+				this,
+				DialogFlags.DestroyWithParent | DialogFlags.Modal,
 				/* button_data: */ "Cancel", ResponseType.Cancel, "OK", ResponseType.Ok
 			) {DefaultResponse = ResponseType.Ok, KeepAbove = true};
 
@@ -470,7 +470,7 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// gets the sort type selected by the user - "NameDescending", "EndingAscending", etc.
+		///   gets the sort type selected by the user - "NameDescending", "EndingAscending", etc.
 		/// </summary>
 		/// <returns>the id of the radiobutton without the "Sort" prefix</returns>
 		private string GetSortType() {
@@ -487,8 +487,8 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// clears the treeview's liststore and adds everything in the watchlist to it, obeying sort order. tries to
-		/// reselect the item that the user had selected, if possible.
+		///   clears the treeview's liststore and adds everything in the watchlist to it, obeying sort order. tries to
+		///   reselect the item that the user had selected, if possible.
 		/// </summary>
 		private void RenderList() {
 			string id = null;
@@ -498,21 +498,15 @@ namespace Buypeeb {
 
 			items.Clear();
 			var values = settings.watchlist.Values;
-			IOrderedEnumerable<YahooAuctionsItem> sorted;
 			var type = GetSortType();
-			if (type == "NameDescending") {
-				sorted = values.OrderByDescending(item => item.name);
-			} else if (type == "NameAscending") {
-				sorted = values.OrderBy(item => item.name);
-			} else if (type == "PriceDescending") {
-				sorted = values.OrderByDescending(item => item.Price);
-			} else if (type == "PriceAscending") {
-				sorted = values.OrderBy(item => item.Price);
-			} else if (type == "EndingDescending") {
-				sorted = values.OrderByDescending(item => item.endDate);
-			} else {
-				sorted = values.OrderBy(item => item.endDate);
-			}
+			var sorted = type switch {
+				"NameDescending" => values.OrderByDescending(item => item.name),
+				"NameAscending" => values.OrderBy(item => item.name),
+				"PriceDescending" => values.OrderByDescending(item => item.Price),
+				"PriceAscending" => values.OrderBy(item => item.Price),
+				"EndingDescending" => values.OrderByDescending(item => item.endDate),
+				_ => values.OrderBy(item => item.endDate),
+			};
 
 			if (settings.showFavouritesAtTopOfList) {
 				foreach (var item in sorted.Where(item => item.favourite)) {
@@ -603,9 +597,9 @@ namespace Buypeeb {
 
 		private void ButtonOpenClicked(object sender, EventArgs a) {
 			var od = new FileChooserDialog(
-				title: "Open userdata.json",
-				parent: this,
-				action: FileChooserAction.Open,
+				"Open userdata.json",
+				this,
+				FileChooserAction.Open,
 				"Cancel", ResponseType.Cancel, "Open", ResponseType.Accept
 			);
 
@@ -637,9 +631,9 @@ namespace Buypeeb {
 
 		private void ButtonSaveAsClicked(object sender, EventArgs a) {
 			var sd = new FileChooserDialog(
-				title: "Save userdata.json",
-				parent: this,
-				action: FileChooserAction.Save,
+				"Save userdata.json",
+				this,
+				FileChooserAction.Save,
 				"Cancel", ResponseType.Cancel, "Save", ResponseType.Accept
 			) {CurrentName = "userdata.json"};
 
@@ -676,9 +670,9 @@ namespace Buypeeb {
 			}
 
 			var sd = new FileChooserDialog(
-				title: "Export watchlist as CSV",
-				parent: this,
-				action: FileChooserAction.Save,
+				"Export watchlist as CSV",
+				this,
+				FileChooserAction.Save,
 				"Cancel", ResponseType.Cancel, "Save", ResponseType.Accept
 			) {CurrentName = "buypeeb.csv"};
 
@@ -753,9 +747,7 @@ namespace Buypeeb {
 		private void ButtonSelectedRemoveClicked(object sender, EventArgs a) {
 			var item = selectedItem;
 
-			var md = MsgBox(
-				$"Are you sure you want to remove the item \"{item.name}\"?"
-			);
+			var md = MsgBox($"Are you sure you want to remove the item \"{item.name}\"?");
 
 			var response = (ResponseType) md.Run();
 			md.Dispose();
@@ -815,7 +807,8 @@ namespace Buypeeb {
 		}
 
 		private void TextViewSelectedNotesFocusOut(object sender, FocusOutEventArgs args) {
-			// the "save" button does nothing, however, when you click the save button, you transfer focus to it, firing this event!
+			// the "save" button does nothing, however, when you click the save button, you transfer focus to it, firing this
+			// event!
 			// how very sneaky
 			var noteBuffer = (TextBuffer) builder.GetObject("TextBufferSelectedNotes");
 			if (selectedItem != null) {
@@ -834,7 +827,7 @@ namespace Buypeeb {
 		// timers
 
 		/// <summary>
-		/// updates the end time displayed in the selection box. runs every second to update the countdown timer.
+		///   updates the end time displayed in the selection box. runs every second to update the countdown timer.
 		/// </summary>
 		/// <returns>true</returns>
 		private bool UpdateSelectionEndTime() {
@@ -870,7 +863,7 @@ namespace Buypeeb {
 		}
 
 		/// <summary>
-		/// updates all items that need updating. runs every ten seconds.
+		///   updates all items that need updating. runs every ten seconds.
 		/// </summary>
 		/// <returns>true</returns>
 		private bool AutoUpdateItems() {
@@ -965,10 +958,10 @@ namespace Buypeeb {
 			// first, check to see if any filters are set that would exclude everything, such as hiding both active and ended auctions
 			// if so, there's no need to run the more expensive linq query
 			if (
-				(Filtered("Favourites") && Filtered("NonFavourites")) ||
-				(Filtered("Active") && Filtered("Ended")) ||
-				(Filtered("EndingToday") && Filtered("EndingAfterToday")) ||
-				(Filtered("WithWinPrice") && Filtered("WithNoWinPrice"))
+				Filtered("Favourites") && Filtered("NonFavourites") ||
+				Filtered("Active") && Filtered("Ended") ||
+				Filtered("EndingToday") && Filtered("EndingAfterToday") ||
+				Filtered("WithWinPrice") && Filtered("WithNoWinPrice")
 			) {
 				return false;
 			}

Settings.cs

@@ -3,6 +3,12 @@ using System.Collections.Generic;
 
 namespace Buypeeb {
 	internal class Settings {
+		public Settings() {
+			// create a new watchlist from an empty dictionary if it's null, which should only happen if either this is the
+			// first time the program has been run, or there's something wrong with userdata.json
+			watchlist ??= new Dictionary<string, YahooAuctionsItem>();
+		}
+
 		public int updateInterval { get; set; } = 10 * 60;
 		public int favouriteUpdateInterval { get; set; } = 5 * 60;
 		public int updateIntervalCritical { get; set; } = 60;
@@ -13,12 +19,6 @@ namespace Buypeeb {
 
 		public Dictionary<string, YahooAuctionsItem> watchlist { get; set; }
 
-		public Settings() {
-			// create a new watchlist from an empty dictionary if it's null, which should only happen if either this is the
-			// first time the program has been run, or there's something wrong with userdata.json
-			watchlist ??= new Dictionary<string, YahooAuctionsItem>();
-		}
-
 		public YahooAuctionsItem Watch(string url, string name) {
 			var id = BuypeebApp.IDFromURL(url);
 			Console.WriteLine(id);

SettingsWindow.cs

@@ -7,19 +7,19 @@ using Gtk;
 
 namespace Buypeeb {
 	internal class SettingsWindow : Window {
-		private readonly List<Switch> generalSwitches = new List<Switch>();
-		private readonly List<Entry> updateIntervalEntries = new List<Entry>();
-		private readonly Settings settings;
 		private readonly Builder builder;
+		private readonly List<Switch> generalSwitches = new();
 
-		private readonly List<string> generalSwitchNames = new List<string>
-			{"ShowSecondsInListView", "Autosave", "ShowFavouritesAtTopOfList"};
+		private readonly List<string> generalSwitchNames =
+			new() {"ShowSecondsInListView", "Autosave", "ShowFavouritesAtTopOfList"};
 
-		private readonly List<string> updateIntervalEntryNames = new List<string>
+		private readonly Settings settings;
+		private readonly List<Entry> updateIntervalEntries = new();
+
+		private readonly List<string> updateIntervalEntryNames = new()
 			{"UpdateInterval", "UpdateIntervalCritical", "FavouriteUpdateInterval", "FavouriteUpdateIntervalCritical"};
 
-		public SettingsWindow(Settings settings) : this(new Builder("settings.glade"), settings) {
-		}
+		public SettingsWindow(Settings settings) : this(new Builder("settings.glade"), settings) { }
 
 		private SettingsWindow(Builder builder, Settings settings) : base(builder.GetObject("WindowSettings").Handle) {
 			Title = "Buypeeb - Settings";
@@ -41,11 +41,11 @@ namespace Buypeeb {
 		}
 
 		private T GetSetting<T>(string property) {
-			return (T) settings.GetType().GetProperty(property).GetValue(settings, null);
+			return (T) settings.GetType().GetProperty(property)?.GetValue(settings, null);
 		}
 
 		private void SetSetting<T>(string property, T value) {
-			settings.GetType().GetProperty(property).SetValue(settings, value);
+			settings.GetType().GetProperty(property)?.SetValue(settings, value);
 		}
 
 		private string PropertyName(string property) {
@@ -93,5 +93,11 @@ namespace Buypeeb {
 		private void ButtonCancelClicked(object sender, EventArgs args) {
 			Dispose();
 		}
+
+		private void ButtonAboutClicked(object sender, EventArgs args) {
+			var win = new AboutDialogue();
+			Application.AddWindow(win);
+			win.Show();
+		}
 	}
 }

YahooAuctionsItem.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Globalization;
 using System.Text.Json;
 using System.Text.Json.Serialization;
@@ -9,6 +10,25 @@ using CsvHelper.Configuration.Attributes;
 
 namespace Buypeeb {
 	internal class YahooAuctionsItem {
+		public bool AutoExtension;
+		public bool Available;
+		public int Bids;
+		public DateTime LastUpdated;
+		public int Price;
+		public bool Ready;
+		public DateTime StartDate;
+		public bool UpdateFailed;
+		public int WinPrice;
+
+		public YahooAuctionsItem(string id, string name) {
+			this.id = id;
+			this.name = name;
+		}
+
+		public YahooAuctionsItem() {
+			// parameterless constructor for deserialisation
+		}
+
 		[JsonIgnore] public string url => $"https://page.auctions.yahoo.co.jp/jp/auction/{id}";
 
 		[JsonIgnore] public string buyeeUrl => $"https://buyee.jp/item/yahoo/auction/{id}";
@@ -25,21 +45,13 @@ namespace Buypeeb {
 		// you also don't want to private any of the setters, which will have a similar effect.
 		[Ignore] public string id { get; set; }
 		public string name { get; set; }
-		public int Price;
-		public int WinPrice;
 		public string originalName { get; set; }
 		public string notes { get; set; }
 		public bool favourite { get; set; }
-		public DateTime StartDate;
 		public DateTime endDate { get; set; }
-		public DateTime LastUpdated;
-		public int Bids;
-		public bool AutoExtension;
-		public bool Ready;
-		public bool Available;
-		public bool UpdateFailed;
 
-		[Ignore, JsonIgnore]
+		[Ignore]
+		[JsonIgnore]
 		public bool updatedRecently {
 			get {
 				var later = LastUpdated.AddSeconds(15);
@@ -51,27 +63,18 @@ namespace Buypeeb {
 
 		[JsonIgnore] public string winPriceJpy => $"¥{WinPrice}";
 
-		[Ignore, JsonIgnore] public string priceAud => $"${(Price / 75.0):f2}";
+		[Ignore] [JsonIgnore] public string priceAud => $"${Price / 75.0:f2}";
 
-		[Ignore, JsonIgnore] public string winPriceAud => $"${(WinPrice / 75.0):f2}";
+		[Ignore] [JsonIgnore] public string winPriceAud => $"${WinPrice / 75.0:f2}";
 
-		[Ignore, JsonIgnore] public bool endingToday => endDate.DayOfYear == DateTime.UtcNow.DayOfYear;
+		[Ignore] [JsonIgnore] public bool endingToday => endDate.DayOfYear == DateTime.UtcNow.DayOfYear;
 
-		[Ignore, JsonIgnore] public bool hasWinPrice => WinPrice != 0;
+		[Ignore] [JsonIgnore] public bool hasWinPrice => WinPrice != 0;
 
-		[Ignore, JsonIgnore] public bool endingSoon => DateTime.Compare(DateTime.UtcNow.AddMinutes(10), endDate) > 0;
+		[Ignore] [JsonIgnore] public bool endingSoon => DateTime.Compare(DateTime.UtcNow.AddMinutes(10), endDate) > 0;
 
 		private bool success { get; set; } // TODO: custom setter that throws an exception if set to false or something idk
 
-		public YahooAuctionsItem(string id, string name) {
-			this.id = id;
-			this.name = name;
-		}
-
-		public YahooAuctionsItem() {
-			// parameterless constructor for deserialisation
-		}
-
 		public void AuctionEnded() {
 			// the page 404'd. this probably means that the auction has ended, and the page has been removed.
 			Available = false;
@@ -81,8 +84,8 @@ namespace Buypeeb {
 
 		public void Update(string html) {
 			// TODO: handle all the parsing errors and weird interpretation that could possibly happen here
-			var rx = new Regex(@"var pageData ?= ?(\{.+?\});",
-				RegexOptions.Singleline); // TODO: maybe compile and match the regex in another thread
+			// TODO: maybe compile and match the regex in another thread
+			var rx = new Regex(@"var pageData ?= ?(\{.+?\});", RegexOptions.Singleline);
 			var m = rx.Match(html);
 
 			Dictionary<string, Dictionary<string, string>> jFull;
@@ -98,6 +101,7 @@ namespace Buypeeb {
 			var jst = TimeZoneInfo.CreateCustomTimeZone("JST", new TimeSpan(9, 0, 0), "Japan Standard Time",
 				"Japan Standard Time");
 
+			Debug.Assert(jFull != null, nameof(jFull) + " != null");
 			var j = jFull["items"];
 			originalName = j["productName"];
 			StartDate = TimeZoneInfo.ConvertTimeToUtc(
@@ -122,7 +126,7 @@ namespace Buypeeb {
 			// whether or not it's equal to "ari" (japanese for "yes").
 			rx = new Regex(@"自動延長.+\n.+>(.+)<");
 			m = rx.Match(html);
-			AutoExtension = (m.Groups[1].Value == "あり");
+			AutoExtension = m.Groups[1].Value == "あり";
 
 			UpdateFailed = false;
 		}

buypeeb.csproj

@@ -1,22 +1,31 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp5.0</TargetFramework>
-    <StartupObject>Buypeeb.BuypeebApp</StartupObject>
-  </PropertyGroup>
+	<PropertyGroup>
+		<OutputType>WinExe</OutputType>
+		<TargetFramework>netcoreapp5.0</TargetFramework>
+		<StartupObject>Buypeeb.BuypeebApp</StartupObject>
+	</PropertyGroup>
 
-  <ItemGroup>
-    <None Remove="**\*.glade" />
-    <EmbeddedResource Include="**\*.glade">
-      <LogicalName>%(Filename)%(Extension)</LogicalName>
-    </EmbeddedResource>
-    <None Remove="yahoo.html" />
-  </ItemGroup>
+	<ItemGroup>
+		<None Remove="**\*.glade"/>
+		<EmbeddedResource Include="**\*.glade">
+			<LogicalName>%(Filename)%(Extension)</LogicalName>
+		</EmbeddedResource>
+		<None Remove="yahoo.html"/>
+		<EmbeddedResource Remove="obj\**"/>
+		<None Remove="obj\**"/>
+		<EmbeddedResource Remove="out\**"/>
+		<None Remove="out\**"/>
+	</ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="CsvHelper" Version="27.1.0" />
-    <PackageReference Include="GtkSharp" Version="3.24.24.34" />
-  </ItemGroup>
+	<ItemGroup>
+		<PackageReference Include="CsvHelper" Version="27.1.1"/>
+		<PackageReference Include="GtkSharp" Version="3.24.24.34"/>
+	</ItemGroup>
+
+	<ItemGroup>
+		<Compile Remove="obj\**"/>
+		<Compile Remove="out\**"/>
+	</ItemGroup>
 
 </Project>

ui/about.glade

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.38.2 -->
+<interface>
+  <requires lib="gtk+" version="3.24"/>
+  <object class="GtkAboutDialog" id="DialogueAbout">
+    <property name="can-focus">False</property>
+    <property name="title" translatable="yes">About Buypeeb</property>
+    <property name="modal">True</property>
+    <property name="window-position">center-on-parent</property>
+    <property name="destroy-with-parent">True</property>
+    <property name="type-hint">dialog</property>
+    <property name="program-name">Buypeeb</property>
+    <property name="version">1.0</property>
+    <property name="website">https://git.bune.city/lynnesbian/buypeeb-cs</property>
+    <property name="authors">Lynnesbian</property>
+    <property name="logo-icon-name">dialog-information</property>
+    <property name="license-type">gpl-3-0-only</property>
+    <signal name="response" handler="ButtonCloseClicked" swapped="no"/>
+    <child internal-child="vbox">
+      <object class="GtkBox">
+        <property name="width-request">-1</property>
+        <property name="can-focus">False</property>
+        <property name="halign">center</property>
+        <property name="valign">center</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">2</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox">
+            <property name="can-focus">False</property>
+            <property name="layout-style">end</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>

ui/add.glade

@@ -1,37 +1,34 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.22.2 -->
+<!-- Generated with glade 3.38.2 -->
 <interface>
   <requires lib="gtk+" version="3.22"/>
   <object class="GtkDialog" id="DialogueAdd">
-    <property name="can_focus">False</property>
+    <property name="can-focus">False</property>
     <property name="resizable">False</property>
     <property name="modal">True</property>
-    <property name="window_position">center-on-parent</property>
-    <property name="default_width">320</property>
-    <property name="destroy_with_parent">True</property>
-    <property name="type_hint">dialog</property>
+    <property name="window-position">center-on-parent</property>
+    <property name="default-width">320</property>
+    <property name="destroy-with-parent">True</property>
+    <property name="type-hint">dialog</property>
     <property name="gravity">center</property>
-    <child type="titlebar">
-      <placeholder/>
-    </child>
     <child internal-child="vbox">
       <object class="GtkBox">
-        <property name="can_focus">False</property>
-        <property name="margin_start">5</property>
-        <property name="margin_end">5</property>
+        <property name="can-focus">False</property>
+        <property name="margin-start">5</property>
+        <property name="margin-end">5</property>
         <property name="orientation">vertical</property>
         <property name="spacing">2</property>
         <child internal-child="action_area">
           <object class="GtkButtonBox">
-            <property name="can_focus">False</property>
-            <property name="margin_bottom">5</property>
-            <property name="layout_style">end</property>
+            <property name="can-focus">False</property>
+            <property name="margin-bottom">5</property>
+            <property name="layout-style">end</property>
             <child>
               <object class="GtkButton" id="ButtonAddCancel">
                 <property name="label" translatable="yes">Cancel</property>
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
+                <property name="can-focus">True</property>
+                <property name="receives-default">True</property>
               </object>
               <packing>
                 <property name="expand">True</property>
@@ -43,10 +40,10 @@
               <object class="GtkButton" id="ButtonAddOK">
                 <property name="label" translatable="yes">OK</property>
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="has_default">True</property>
-                <property name="receives_default">True</property>
+                <property name="can-focus">True</property>
+                <property name="can-default">True</property>
+                <property name="has-default">True</property>
+                <property name="receives-default">True</property>
               </object>
               <packing>
                 <property name="expand">True</property>
@@ -64,15 +61,15 @@
         <child>
           <object class="GtkBox">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="margin_top">5</property>
-            <property name="margin_bottom">5</property>
+            <property name="can-focus">False</property>
+            <property name="margin-top">5</property>
+            <property name="margin-bottom">5</property>
             <property name="orientation">vertical</property>
             <child>
               <object class="GtkLabel">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_bottom">5</property>
+                <property name="can-focus">False</property>
+                <property name="margin-bottom">5</property>
                 <property name="label" translatable="yes">Add item</property>
                 <attributes>
                   <attribute name="weight" value="bold"/>
@@ -88,7 +85,7 @@
             <child>
               <object class="GtkLabel">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="halign">start</property>
                 <property name="label" translatable="yes">Enter the URL of the item you want to add.</property>
               </object>
@@ -101,12 +98,12 @@
             <child>
               <object class="GtkEntry" id="EntryAddURL">
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="margin_top">5</property>
-                <property name="margin_bottom">10</property>
-                <property name="activates_default">True</property>
-                <property name="placeholder_text" translatable="yes">URL</property>
-                <property name="input_purpose">url</property>
+                <property name="can-focus">True</property>
+                <property name="margin-top">5</property>
+                <property name="margin-bottom">10</property>
+                <property name="activates-default">True</property>
+                <property name="placeholder-text" translatable="yes">URL</property>
+                <property name="input-purpose">url</property>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -117,7 +114,7 @@
             <child>
               <object class="GtkLabel">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="halign">start</property>
                 <property name="label" translatable="yes">You may also enter a custom name below.</property>
               </object>
@@ -130,10 +127,10 @@
             <child>
               <object class="GtkEntry" id="EntryAddName">
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="margin_top">5</property>
-                <property name="activates_default">True</property>
-                <property name="placeholder_text" translatable="yes">Name (optional)</property>
+                <property name="can-focus">True</property>
+                <property name="margin-top">5</property>
+                <property name="activates-default">True</property>
+                <property name="placeholder-text" translatable="yes">Name (optional)</property>
               </object>
               <packing>
                 <property name="expand">False</property>

ui/settings.glade

@@ -1,294 +1,302 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.22.2 -->
+<!-- Generated with glade 3.38.2 -->
 <interface>
   <requires lib="gtk+" version="3.20"/>
   <object class="GtkWindow" id="WindowSettings">
-    <property name="can_focus">False</property>
+    <property name="can-focus">False</property>
     <property name="modal">True</property>
-    <property name="default_width">440</property>
-    <child type="titlebar">
-      <placeholder/>
-    </child>
+    <property name="default-width">440</property>
     <child>
       <object class="GtkBox">
         <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="margin_left">5</property>
-        <property name="margin_right">5</property>
-        <property name="margin_top">5</property>
-        <property name="margin_bottom">5</property>
+        <property name="can-focus">False</property>
+        <property name="margin-left">5</property>
+        <property name="margin-right">5</property>
+        <property name="margin-top">5</property>
+        <property name="margin-bottom">5</property>
         <property name="orientation">vertical</property>
         <property name="spacing">5</property>
         <child>
           <object class="GtkNotebook">
             <property name="visible">True</property>
-            <property name="can_focus">True</property>
+            <property name="can-focus">True</property>
             <property name="vexpand">True</property>
             <child>
+              <!-- n-columns=3 n-rows=3 -->
               <object class="GtkGrid">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_left">5</property>
-                <property name="margin_right">5</property>
-                <property name="margin_top">5</property>
-                <property name="margin_bottom">5</property>
-                <property name="row_spacing">5</property>
+                <property name="can-focus">False</property>
+                <property name="margin-left">5</property>
+                <property name="margin-right">5</property>
+                <property name="margin-top">5</property>
+                <property name="margin-bottom">5</property>
+                <property name="row-spacing">5</property>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">start</property>
                     <property name="hexpand">True</property>
                     <property name="label" translatable="yes">Show seconds in list view</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">0</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSwitch" id="SwitchShowSecondsInListView">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
+                    <property name="can-focus">True</property>
                     <property name="halign">end</property>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">0</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">start</property>
                     <property name="hexpand">True</property>
                     <property name="label" translatable="yes">Autosave</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSwitch" id="SwitchAutosave">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
+                    <property name="can-focus">True</property>
                     <property name="halign">end</property>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">start</property>
                     <property name="hexpand">True</property>
                     <property name="label" translatable="yes">Show favourites at top of list</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">2</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSwitch" id="SwitchShowFavouritesAtTopOfList">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
+                    <property name="can-focus">True</property>
                     <property name="halign">end</property>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">2</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">2</property>
                   </packing>
                 </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
               </object>
             </child>
             <child type="tab">
               <object class="GtkLabel">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="label" translatable="yes">General</property>
               </object>
               <packing>
-                <property name="tab_fill">False</property>
+                <property name="tab-fill">False</property>
               </packing>
             </child>
             <child>
+              <!-- n-columns=3 n-rows=4 -->
               <object class="GtkGrid">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_left">5</property>
-                <property name="margin_right">5</property>
-                <property name="margin_top">5</property>
-                <property name="margin_bottom">20</property>
-                <property name="column_spacing">3</property>
+                <property name="can-focus">False</property>
+                <property name="margin-left">5</property>
+                <property name="margin-right">5</property>
+                <property name="margin-top">5</property>
+                <property name="margin-bottom">20</property>
+                <property name="column-spacing">3</property>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">start</property>
                     <property name="hexpand">True</property>
                     <property name="label" translatable="yes">Default</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">0</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">start</property>
                     <property name="label" translatable="yes">Items ending soon</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">start</property>
                     <property name="label" translatable="yes">Favourite items</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">2</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">start</property>
                     <property name="label" translatable="yes">Favourite items ending soon</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">3</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">3</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">end</property>
                     <property name="label" translatable="yes">seconds</property>
                   </object>
                   <packing>
-                    <property name="left_attach">2</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">2</property>
+                    <property name="top-attach">0</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">end</property>
                     <property name="label" translatable="yes">seconds</property>
                   </object>
                   <packing>
-                    <property name="left_attach">2</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">2</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">end</property>
                     <property name="label" translatable="yes">seconds</property>
                   </object>
                   <packing>
-                    <property name="left_attach">2</property>
-                    <property name="top_attach">2</property>
+                    <property name="left-attach">2</property>
+                    <property name="top-attach">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="halign">end</property>
                     <property name="label" translatable="yes">seconds</property>
                   </object>
                   <packing>
-                    <property name="left_attach">2</property>
-                    <property name="top_attach">3</property>
+                    <property name="left-attach">2</property>
+                    <property name="top-attach">3</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkEntry" id="EntryUpdateInterval">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="margin_left">5</property>
-                    <property name="margin_right">5</property>
-                    <property name="margin_top">2</property>
-                    <property name="margin_bottom">2</property>
-                    <property name="max_length">3</property>
-                    <property name="width_chars">5</property>
-                    <property name="input_purpose">number</property>
+                    <property name="can-focus">True</property>
+                    <property name="margin-left">5</property>
+                    <property name="margin-right">5</property>
+                    <property name="margin-top">2</property>
+                    <property name="margin-bottom">2</property>
+                    <property name="max-length">3</property>
+                    <property name="width-chars">5</property>
+                    <property name="input-purpose">number</property>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">0</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkEntry" id="EntryUpdateIntervalCritical">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="margin_left">5</property>
-                    <property name="margin_right">5</property>
-                    <property name="margin_top">2</property>
-                    <property name="margin_bottom">2</property>
-                    <property name="max_length">3</property>
-                    <property name="width_chars">5</property>
-                    <property name="input_purpose">number</property>
+                    <property name="can-focus">True</property>
+                    <property name="margin-left">5</property>
+                    <property name="margin-right">5</property>
+                    <property name="margin-top">2</property>
+                    <property name="margin-bottom">2</property>
+                    <property name="max-length">3</property>
+                    <property name="width-chars">5</property>
+                    <property name="input-purpose">number</property>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkEntry" id="EntryFavouriteUpdateInterval">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="margin_left">5</property>
-                    <property name="margin_right">5</property>
-                    <property name="margin_top">2</property>
-                    <property name="margin_bottom">2</property>
-                    <property name="max_length">3</property>
-                    <property name="width_chars">5</property>
-                    <property name="input_purpose">number</property>
+                    <property name="can-focus">True</property>
+                    <property name="margin-left">5</property>
+                    <property name="margin-right">5</property>
+                    <property name="margin-top">2</property>
+                    <property name="margin-bottom">2</property>
+                    <property name="max-length">3</property>
+                    <property name="width-chars">5</property>
+                    <property name="input-purpose">number</property>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">2</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkEntry" id="EntryFavouriteUpdateIntervalCritical">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="margin_left">5</property>
-                    <property name="margin_right">5</property>
-                    <property name="margin_top">2</property>
-                    <property name="margin_bottom">2</property>
-                    <property name="max_length">3</property>
-                    <property name="width_chars">5</property>
-                    <property name="input_purpose">number</property>
+                    <property name="can-focus">True</property>
+                    <property name="margin-left">5</property>
+                    <property name="margin-right">5</property>
+                    <property name="margin-top">2</property>
+                    <property name="margin-bottom">2</property>
+                    <property name="max-length">3</property>
+                    <property name="width-chars">5</property>
+                    <property name="input-purpose">number</property>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">3</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">3</property>
                   </packing>
                 </child>
               </object>
@@ -299,12 +307,12 @@
             <child type="tab">
               <object class="GtkLabel">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="label" translatable="yes">Update intervals</property>
               </object>
               <packing>
                 <property name="position">1</property>
-                <property name="tab_fill">False</property>
+                <property name="tab-fill">False</property>
               </packing>
             </child>
           </object>
@@ -317,14 +325,15 @@
         <child>
           <object class="GtkBox">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can-focus">False</property>
             <property name="spacing">5</property>
             <child>
               <object class="GtkButton">
                 <property name="label" translatable="yes">About Buypeeb</property>
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
+                <property name="can-focus">True</property>
+                <property name="receives-default">True</property>
+                <signal name="clicked" handler="ButtonAboutClicked" swapped="no"/>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -336,14 +345,14 @@
               <object class="GtkButton">
                 <property name="label" translatable="yes">Save</property>
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
+                <property name="can-focus">True</property>
+                <property name="receives-default">True</property>
                 <signal name="clicked" handler="ButtonSaveClicked" swapped="no"/>
               </object>
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
-                <property name="pack_type">end</property>
+                <property name="pack-type">end</property>
                 <property name="position">1</property>
               </packing>
             </child>
@@ -351,14 +360,14 @@
               <object class="GtkButton">
                 <property name="label" translatable="yes">Cancel</property>
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
+                <property name="can-focus">True</property>
+                <property name="receives-default">True</property>
                 <signal name="clicked" handler="ButtonCancelClicked" swapped="no"/>
               </object>
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
-                <property name="pack_type">end</property>
+                <property name="pack-type">end</property>
                 <property name="position">2</property>
               </packing>
             </child>
@@ -367,7 +376,7 @@
             <property name="expand">False</property>
             <property name="fill">True</property>
             <property name="padding">2</property>
-            <property name="pack_type">end</property>
+            <property name="pack-type">end</property>
             <property name="position">4</property>
           </packing>
         </child>