Very WIP: Add keyboard

2026-07-03 08:49:05 +00:00 · 2021-08-28 20:54:11 -05:00
parent a80633f316
commit c32bb5dd6d
8 changed files with 861 additions and 0 deletions
@@ -0,0 +1,114 @@
+/*
+ *   This file is part of Universal-Core
+ *   Copyright (C) 2021 Universal-Team
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
+ *       * Requiring preservation of specified reasonable legal notices or
+ *         author attributions in that material or in the Appropriate Legal
+ *         Notices displayed by works containing it.
+ *       * Prohibiting misrepresentation of the origin of that material,
+ *         or requiring that modified versions of such material be marked in
+ *         reasonable ways as different from the original version.
+ */
+
+#include "TextUtils.hpp"
+
+#include <string.h>
+
+/* Get first codepoint from a UTF-8 string. */
+char32_t TextUtils::GetCodepoint(const char *Str) {
+	/* Return 0 if nullptr or empty string. */
+	if (!Str || !*Str) return 0;
+
+	size_t Len = strlen(Str);
+	char32_t Codepoint = 0xFFFD;
+
+	if (!(*Str & 0x80)) {
+		Codepoint = *Str;
+
+	} else if ((*Str & 0xE0) == 0xC0 && Len >= 2) {
+		Codepoint  = (*(Str++) & 0x1F) << 6;
+		Codepoint |=  *(Str++) & 0x3F;
+
+	} else if ((*Str & 0xF0) == 0xE0 && Len >= 3) {
+		Codepoint  = (*(Str++) & 0x0F) << 12;
+		Codepoint |= (*(Str++) & 0x3F) << 6;
+		Codepoint |=  *(Str++) & 0x3F;
+
+	} else if ((*Str & 0xF8) == 0xF0 && Len >= 4) {
+		Codepoint  = (*(Str++) & 0x07) << 18;
+		Codepoint |= (*(Str++) & 0x3F) << 12;
+		Codepoint |= (*(Str++) & 0x3F) << 6;
+		Codepoint |=  *(Str++) & 0x3F;
+	};
+
+	return Codepoint;
+};
+
+/* Try to make the first given character have a dakuten. */
+std::string TextUtils::Dakutenify(std::string Str, bool Handakuten) {
+	char32_t Char = GetCodepoint(Str.c_str());
+	if (Char >= u'ァ' && Char <= u'ヶ') Char -= 0x60; // Katakana, convert to Hiragana
+
+	int Change = 0;
+
+	if (Handakuten) {
+		for (const char16_t Item : Handakutenable) {
+			if (Char == Item) {
+				Change = 2;
+				break;
+			};
+		};
+
+	} else {
+		if (Char == u'う') {
+			Change = 0x4E;
+
+		} else {
+			for (const char16_t Item : Dakutenable) {
+				if (Char == Item) {
+					Change = 1;
+					break;
+				};
+			};
+		};
+	};
+
+	if (Change) {
+		if ((Str[2] & 0x3F) + Change < 0x3F) {
+			Str[2] += Change;
+
+		} else {
+			Str[2] = 0x80 | ((Str[2] + Change) & 0x3F);
+			Str[1]++;
+		};
+
+	} else {
+		int I = 1;
+		while((Str[I] & 0xC0) == 0x80) I++;
+		Str.insert(I, Handakuten ? "゜" : "゛");
+	};
+
+	return Str;
+};
+
+uint32_t TextUtils::StrToKey(const std::string &Str) {
+	for (const auto &Key : KeyNames) {
+		if (strcmp(Str.c_str(), Key.first) == 0) return Key.second;
+	};
+
+	return 0;
+};