closes #2874: improved ingame chat

OpenRA.Mods.RA/Widgets/Logic/IngameChatLogic.cs

@@ -0,0 +1,156 @@
+#region Copyright & License Information
+/*
+ * Copyright 2013 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Drawing;
+using OpenRA.Widgets;
+using OpenRA.Network;
+
+namespace OpenRA.Mods.RA.Widgets.Logic
+{
+	public class IngameChatLogic
+	{
+		internal World World;
+		internal readonly ContainerWidget ChatOverlay;
+		internal readonly ChatDisplayWidget ChatOverlayDisplay;
+
+
+		internal readonly ContainerWidget ChatChrome;
+		internal readonly ScrollPanelWidget ChatScrollPanel;
+		internal readonly ContainerWidget ChatTemplate;
+		internal readonly TextFieldWidget ChatText;
+
+		private bool teamChat = false;
+		internal bool TeamChat
+		{
+			get { return World.Observer ? false : teamChat; }
+			set { teamChat = value; }
+		}
+
+		[ObjectCreator.UseCtor]
+		public IngameChatLogic(Widget widget, OrderManager orderManager, World world)
+		{
+			World = world;
+			var chatPanel = (ContainerWidget) widget;
+
+
+			ChatOverlay = chatPanel.Get<ContainerWidget>("CHAT_OVERLAY");
+			ChatOverlayDisplay = ChatOverlay.Get<ChatDisplayWidget>("CHAT_DISPLAY");
+			ChatOverlay.Visible = false;
+
+			ChatChrome = chatPanel.Get<ContainerWidget>("CHAT_CHROME");
+			ChatChrome.Visible = true;
+
+			var chatMode = ChatChrome.Get<ButtonWidget>("CHAT_MODE");
+			chatMode.GetText = () => TeamChat ? "Team" : "All";
+			chatMode.OnClick = () => TeamChat = !TeamChat;
+
+			ChatText = ChatChrome.Get<TextFieldWidget>("CHAT_TEXTFIELD");
+			ChatText.OnTabKey = () => { TeamChat = !TeamChat; return true; };
+			ChatText.OnEnterKey = () =>
+			{
+				ChatText.Text = ChatText.Text.Trim();
+				if (ChatText.Text != "")
+					orderManager.IssueOrder(Order.Chat(TeamChat, ChatText.Text));
+				CloseChat();
+				return true;
+			};
+			ChatText.OnEscKey = () => {CloseChat(); return true; };
+
+			var chatClose = ChatChrome.Get<ButtonWidget>("CHAT_CLOSE");
+			chatClose.OnClick += () => CloseChat();
+
+			chatPanel.OnKeyPress = (e) =>
+			{
+				if (e.Event == KeyInputEvent.Up) return false;
+				if (!IsOpen && (e.KeyName == "enter" || e.KeyName == "return") )
+				{
+
+					var shift = e.Modifiers.HasModifier(Modifiers.Shift);
+					var toggle = Game.Settings.Game.TeamChatToggle ;
+					TeamChat = (!toggle && shift) || ( toggle &&  (TeamChat ^ shift) );
+					OpenChat();
+					return true;
+				}
+
+				return false;
+			};
+
+			ChatScrollPanel = ChatChrome.Get<ScrollPanelWidget>("CHAT_SCROLLPANEL");
+			ChatTemplate = ChatScrollPanel.Get<ContainerWidget>("CHAT_TEMPLATE");
+
+			Game.AddChatLine += AddChatLine;
+			Game.BeforeGameStart += UnregisterEvents;
+
+			CloseChat();
+			ChatOverlayDisplay.AddLine(Color.White, null, "Use RETURN key to open chat window...");
+		}
+
+		void UnregisterEvents()
+		{
+			Game.AddChatLine -= AddChatLine;
+			Game.BeforeGameStart -= UnregisterEvents;
+		}
+
+		public void OpenChat()
+		{
+			ChatText.Text = "";
+			ChatOverlay.Visible = false;
+			ChatChrome.Visible = true;
+			ChatText.TakeFocus(new MouseInput());
+		}
+
+		public void CloseChat()
+		{
+			ChatOverlay.Visible = true;
+			ChatChrome.Visible = false;
+			ChatText.LoseFocus();
+		}
+
+		public bool IsOpen { get { return ChatChrome.IsVisible(); } }
+
+		public void AddChatLine(Color c, string from, string text)
+		{
+
+			ChatOverlayDisplay.AddLine(c, from, text);
+
+			var template = ChatTemplate.Clone();
+			var nameLabel = template.Get<LabelWidget>("NAME");
+			var textLabel = template.Get<LabelWidget>("TEXT");
+
+			var name = "";
+			if (!string.IsNullOrEmpty(from))
+				name = from + ":";
+			var font = Game.Renderer.Fonts[nameLabel.Font];
+			var nameSize = font.Measure(from);
+
+			nameLabel.GetColor = () => c;
+			nameLabel.GetText = () => name;
+			nameLabel.Bounds.Width = nameSize.X;
+			textLabel.Bounds.X += nameSize.X;
+			textLabel.Bounds.Width -= nameSize.X;
+
+			// Hack around our hacky wordwrap behavior: need to resize the widget to fit the text
+			text = WidgetUtils.WrapText(text, textLabel.Bounds.Width, font);
+			textLabel.GetText = () => text;
+			var dh = font.Measure(text).Y - textLabel.Bounds.Height;
+			if (dh > 0)
+			{
+				textLabel.Bounds.Height += dh;
+				template.Bounds.Height += dh;
+			}
+
+			ChatScrollPanel.AddChild(template);
+			ChatScrollPanel.ScrollToBottom();
+			Sound.PlayNotification(null, "Sounds", "ChatLine", null);
+		}
+	}
+}
+