Terminal: fixed-width amount field

src/Decentralized/TerminalWindow.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Globalization;
 using System.Linq;
+using UnityEngine;
 using Decentralized.Domain;
 
 namespace Decentralized
@@ -58,8 +59,10 @@ namespace Decentralized
             b.AddLabel(L.T("trade.hint"));
             b.BeginRow();
             b.AddLabel(L.T("trade.amount"));
+            b.BeginPanel(240f, -1f, TextAnchor.MiddleCenter, 0f, 0f);   // 给输入框一个固定宽度，容得下大额数字
             b.AddInput("0", _amount, s => _amount = s, "amount", s => _amount = s);
             b.End();
+            b.End();
             b.BeginRow();
             b.AddButton(L.T("trade.deposit"), Deposit);
             b.AddButton(L.T("trade.withdraw"), Withdraw);