Function STB_TEXTEDIT_DELETECHARS

KBotExt/imgui/imgui_widgets.cpp:3745–3759

#define STB_TEXTEDIT_MOVEWORDRIGHT  STB_TEXTEDIT_MOVEWORDRIGHT_IMPL

	static void STB_TEXTEDIT_DELETECHARS(ImGuiInputTextState* obj, int pos, int n)
	{
		ImWchar* dst = obj->TextW.Data + pos;

		// We maintain our buffer length in both UTF-8 and wchar formats
		obj->Edited = true;
		obj->CurLenA -= ImTextCountUtf8BytesFromStr(dst, dst + n);
		obj->CurLenW -= n;

		// Offset remaining text (FIXME-OPT: Use memmove)
		const ImWchar* src = obj->TextW.Data + pos + n;
		while (ImWchar c = *src++)
			*dst++ = c;
		*dst = '\0';
	}

	static bool STB_TEXTEDIT_INSERTCHARS(ImGuiInputTextState* obj, int pos, const ImWchar* new_text, int new_text_len)
	{