110 lines
2.7 KiB
C#
110 lines
2.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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namespace OpenRA.Widgets
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{
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public class ChatDisplayWidget : Widget
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{
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public readonly int RemoveTime = 0;
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public readonly bool UseContrast = false;
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public string Notification = "";
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const int LogLength = 9;
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List<ChatLine> recentLines = new List<ChatLine>();
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public override Rectangle EventBounds { get { return Rectangle.Empty; } }
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public override void Draw()
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{
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var pos = RenderOrigin;
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var chatLogArea = new Rectangle(pos.X, pos.Y, Bounds.Width, Bounds.Height);
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var chatpos = new int2(chatLogArea.X + 5, chatLogArea.Bottom - 5);
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var font = Game.Renderer.Fonts["Regular"];
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Game.Renderer.EnableScissor(chatLogArea);
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foreach (var line in recentLines.AsEnumerable().Reverse())
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{
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var inset = 0;
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string owner = null;
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if (!string.IsNullOrEmpty(line.Owner))
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{
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owner = line.Owner + ":";
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inset = font.Measure(owner).X + 5;
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}
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var text = WidgetUtils.WrapText(line.Text, chatLogArea.Width - inset - 6, font);
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chatpos.Y -= Math.Max(15, font.Measure(text).Y) + 5;
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if (chatpos.Y < pos.Y)
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break;
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if (owner != null)
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{
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font.DrawTextWithContrast(owner, chatpos,
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line.Color, Color.Black, UseContrast ? 1 : 0);
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}
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font.DrawTextWithContrast(text, chatpos + new int2(inset, 0),
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Color.White, Color.Black, UseContrast ? 1 : 0);
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}
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Game.Renderer.DisableScissor();
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}
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public void AddLine(Color c, string from, string text)
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{
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recentLines.Add(new ChatLine(from, text, Game.LocalTick + RemoveTime, c));
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if (Notification != null)
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Sound.Play(Notification);
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while (recentLines.Count > LogLength)
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recentLines.RemoveAt(0);
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}
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public void RemoveLine()
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{
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if (recentLines.Count > 0)
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recentLines.RemoveAt(0);
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}
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public override void Tick()
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{
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if (RemoveTime == 0)
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return;
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// This takes advantage of the fact that recentLines is ordered by expiration, from sooner to later
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while (recentLines.Count > 0 && Game.LocalTick >= recentLines[0].Expiration)
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recentLines.RemoveAt(0);
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}
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}
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class ChatLine
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{
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public readonly Color Color;
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public readonly string Owner, Text;
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public readonly int Expiration;
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public ChatLine(string owner, string text, int expiration, Color color)
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{
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Owner = owner;
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Text = text;
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Expiration = expiration;
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Color = color;
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}
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}
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} |