mirror of
https://github.com/libretro/scummvm.git
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133 lines
2.6 KiB
C++
133 lines
2.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* This code is based on original Hugo Trilogy source code
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*
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* Copyright (c) 1989-1995 David P. Gray
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*
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*/
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#include "common/system.h"
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#include "gui/message.h"
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#include "hugo/game.h"
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#include "hugo/hugo.h"
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#include "hugo/util.h"
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#include "hugo/sound.h"
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#include "hugo/text.h"
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namespace Hugo {
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namespace Utils {
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/**
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* Returns index (0 to 7) of first 1 in supplied byte, or 8 if not found
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*/
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int firstBit(byte data) {
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if (!data)
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return 8;
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int i;
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for (i = 0; i < 8; i++) {
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if ((data << i) & 0x80)
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break;
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}
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return i;
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}
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/**
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* Returns index (0 to 7) of last 1 in supplied byte, or 8 if not found
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*/
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int lastBit(byte data) {
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if (!data)
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return 8;
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int i;
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for (i = 7; i >= 0; i--) {
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if ((data << i) & 0x80)
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break;
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}
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return i;
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}
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/**
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* Reverse the bit order in supplied byte
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*/
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void reverseByte(byte *data) {
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byte maskIn = 0x80;
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byte maskOut = 0x01;
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byte result = 0;
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for (byte i = 0; i < 8; i++, maskIn >>= 1, maskOut <<= 1) {
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if (*data & maskIn)
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result |= maskOut;
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}
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*data = result;
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}
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void notifyBox(const Common::String &msg) {
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if (msg.empty())
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return;
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GUI::MessageDialog dialog(msg, "OK");
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dialog.runModal();
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}
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Common::String promptBox(const Common::String &msg) {
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if (msg.empty())
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return Common::String();
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EntryDialog dialog(msg, "OK", "");
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dialog.runModal();
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return dialog.getEditString();
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}
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bool yesNoBox(const Common::String &msg) {
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if (msg.empty())
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return 0;
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GUI::MessageDialog dialog(msg, "YES", "NO");
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return (dialog.runModal() == GUI::kMessageOK);
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}
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char *strlwr(char *buffer) {
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char *result = buffer;
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while (*buffer != '\0') {
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if (Common::isUpper(*buffer))
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*buffer = tolower(*buffer);
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buffer++;
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}
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return result;
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}
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} // End of namespace Utils
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} // End of namespace Hugo
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