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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
#include "common/system.h"
#include "common/util.h"
#include "gui/message.h"
#include "hugo/dialogs.h"
#include "hugo/util.h"
namespace Hugo {
namespace Utils {
/**
* Returns index (0 to 7) of first 1 in supplied byte, or 8 if not found
*/
int firstBit(byte data) {
if (!data)
return 8;
int i;
for (i = 0; i < 8; i++) {
if ((data << i) & 0x80)
break;
}
return i;
}
/**
* Returns index (0 to 7) of last 1 in supplied byte, or 8 if not found
*/
int lastBit(byte data) {
if (!data)
return 8;
int i;
for (i = 7; i >= 0; i--) {
if ((data << i) & 0x80)
break;
}
return i;
}
/**
* Reverse the bit order in supplied byte
*/
void reverseByte(byte *data) {
byte maskIn = 0x80;
byte maskOut = 0x01;
byte result = 0;
for (byte i = 0; i < 8; i++, maskIn >>= 1, maskOut <<= 1) {
if (*data & maskIn)
result |= maskOut;
}
*data = result;
}
void notifyBox(const Common::String &msg) {
if (msg.empty())
return;
GUI::MessageDialog dialog(msg, "OK");
dialog.runModal();
}
Common::String promptBox(const Common::String &msg) {
if (msg.empty())
return Common::String();
EntryDialog dialog(msg, "OK", "");
dialog.runModal();
return dialog.getEditString();
}
bool yesNoBox(const Common::String &msg) {
if (msg.empty())
return 0;
GUI::MessageDialog dialog(msg, "YES", "NO");
return (dialog.runModal() == GUI::kMessageOK);
}
char *strlwr(char *buffer) {
char *result = buffer;
while (*buffer != '\0') {
if (Common::isUpper(*buffer))
*buffer = tolower(*buffer);
buffer++;
}
return result;
}
} // End of namespace Utils
} // End of namespace Hugo
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