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Condense down to a check for Z and then a single switch return. (performance)

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Brandon Thetford
2024-02-25 20:23:17 -07:00
parent 4e1ba721be
commit 4b462809e5
1 changed files with 29 additions and 111 deletions
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140
Terminal.Gui/ConsoleDrivers/EscSeqUtils/EscSeqUtils.cs
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@@ -347,120 +347,38 @@ public static class EscSeqUtils
/// <returns>The <see cref="ConsoleKey"/> and probably the <see cref="ConsoleModifiers"/>.</returns>
public static ConsoleKey GetConsoleKey (char terminator, string value, ref ConsoleModifiers mod)
{
ConsoleKey key;
switch (terminator)
if (terminator == 'Z')
{
case 'A':
key = ConsoleKey.UpArrow;
break;
case 'B':
key = ConsoleKey.DownArrow;
break;
case 'C':
key = ConsoleKey.RightArrow;
break;
case 'D':
key = ConsoleKey.LeftArrow;
break;
case 'F':
key = ConsoleKey.End;
break;
case 'H':
key = ConsoleKey.Home;
break;
case 'P':
key = ConsoleKey.F1;
break;
case 'Q':
key = ConsoleKey.F2;
break;
case 'R':
key = ConsoleKey.F3;
break;
case 'S':
key = ConsoleKey.F4;
break;
case 'Z':
key = ConsoleKey.Tab;
mod |= ConsoleModifiers.Shift;
break;
case '~':
switch (value)
{
case "2":
key = ConsoleKey.Insert;
break;
case "3":
key = ConsoleKey.Delete;
break;
case "5":
key = ConsoleKey.PageUp;
break;
case "6":
key = ConsoleKey.PageDown;
break;
case "15":
key = ConsoleKey.F5;
break;
case "17":
key = ConsoleKey.F6;
break;
case "18":
key = ConsoleKey.F7;
break;
case "19":
key = ConsoleKey.F8;
break;
case "20":
key = ConsoleKey.F9;
break;
case "21":
key = ConsoleKey.F10;
break;
case "23":
key = ConsoleKey.F11;
break;
case "24":
key = ConsoleKey.F12;
break;
default:
key = 0;
break;
}
break;
default:
key = 0;
break;
mod |= ConsoleModifiers.Shift;
}
return key;
return (terminator, value) switch
{
('A', _) => ConsoleKey.UpArrow,
('B', _) => ConsoleKey.DownArrow,
('C', _) => ConsoleKey.RightArrow,
('D', _) => ConsoleKey.LeftArrow,
('F', _) => ConsoleKey.End,
('H', _) => ConsoleKey.Home,
('P', _) => ConsoleKey.F1,
('Q', _) => ConsoleKey.F2,
('R', _) => ConsoleKey.F3,
('S', _) => ConsoleKey.F4,
('Z', _) => ConsoleKey.Tab,
('~', "2") => ConsoleKey.Insert,
('~', "3") => ConsoleKey.Delete,
('~', "5") => ConsoleKey.PageUp,
('~', "6") => ConsoleKey.PageDown,
('~', "15") => ConsoleKey.F5,
('~', "17") => ConsoleKey.F6,
('~', "18") => ConsoleKey.F7,
('~', "19") => ConsoleKey.F8,
('~', "20") => ConsoleKey.F9,
('~', "21") => ConsoleKey.F10,
('~', "23") => ConsoleKey.F11,
('~', "24") => ConsoleKey.F12,
(_, _) => 0
};
}
/// <summary>