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ScriptCore: Escape sequence for char editor

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This commit is contained in:
Simon Lübeß
2024-01-06 13:17:23 +01:00
parent 31e7edcc9c
commit 9a09a1d878
1 changed files with 70 additions and 5 deletions
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ScriptCore/Editor/EntityEditor.cs
+70 -5
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@@ -10,7 +10,6 @@ using System.Text;
using GlitchyEngine.Core;
using GlitchyEngine.Extensions;
using GlitchyEngine.Math;
using GlitchyEngine.Serialization;
using ImGuiNET;
namespace GlitchyEngine.Editor;
@@ -198,11 +197,77 @@ internal class EntityEditor
{
unsafe
{
char value = (char)reference;
// TODO: Allow escaped unicode chars \u XXXX
// TODO: Add text input validation, so that it isn't possible to type invalid chars
// TODO: Allow entering chars like '\0', '\n', etc...
if (ImGui.InputText(fieldName, (IntPtr)(&value), 2))
newValue = value;
char* value = stackalloc char[4];
switch((char)reference)
{
case '\a':
value[0] = '\\';
value[1] = 'a';
break;
case '\b':
value[0] = '\\';
value[1] = 'b';
break;
case '\f':
value[0] = '\\';
value[1] = 'f';
break;
case '\n':
value[0] = '\\';
value[1] = 'n';
break;
case '\r':
value[0] = '\\';
value[1] = 'r';
break;
case '\t':
value[0] = '\\';
value[1] = 't';
break;
case '\v':
value[0] = '\\';
value[1] = 'v';
break;
default:
value[0] = (char)reference;
value[1] = '\0';
break;
};
// Enough space to store two code points
byte* buffer = stackalloc byte[8];
int encodedBytes = Encoding.UTF8.GetBytes(value, 2, buffer, 8);
// Place string delimiter after encoded UTF8 sequence.
buffer[encodedBytes] = (byte)'\0';
if (ImGui.InputText(fieldName, (IntPtr)buffer, 8))
{
if (buffer[0] == '\\' && buffer[1] != '\0')
{
newValue = (char)buffer[1] switch
{
'a' => newValue = '\a',
'b' => newValue = '\b',
'f' => newValue = '\f',
'n' => newValue = '\n',
'r' => newValue = '\r',
't' => newValue = '\t',
'v' => newValue = '\v',
_ => newValue = '\\'
};
}
else
{
// Only decode first codepoint
Encoding.UTF8.GetChars(buffer, 4, value, 4);
newValue = value[0];
}
}
}
}
else if (fieldType == typeof(byte))