QTfrontend/util/KeyMap.cpp
author alfadur
Sun, 28 Jun 2020 00:47:43 +0300
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permissions -rw-r--r--
add sentries count to game config
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2019 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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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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 *
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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 St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include <QStringList>
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#include "KeyMap.h"
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#include "SDL.h"
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KeyMap & KeyMap::instance()
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{
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    static KeyMap instance;
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    instance.getKeyMap();
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    return instance;
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}
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bool KeyMap::getKeyMap()
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{
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    if (keyMapGenerated)
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        return true;
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    QFile keyFile(":keys.csv");
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    if (!keyFile.open(QIODevice::ReadOnly))
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    {
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        qWarning("ERROR: keys.csv could not be opened!");
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        return false;
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    }
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    QString keyString = keyFile.readAll();
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    QStringList cells = QStringList() << QString("") << QString("");
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    QChar currChar;
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    bool isInQuote = false;
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    int cell = 0;
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    int charInCell = 0;
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    QString scancode = "";
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    QString keyname = "";
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    for(long long int i = 0; i < keyString.length(); i++)
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    {
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        currChar = keyString.at(i);
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        if (currChar == '\"') {
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            isInQuote = !isInQuote;
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        }
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        if (currChar == ',' && !isInQuote) {
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            cell++;
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            continue;
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        }
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        if (currChar == '\n') {
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            mapOfKeynames[(SDL_Scancode) scancode.toInt()] = keyname;
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            mapOfScancodes[keyname] = (SDL_Scancode) scancode.toInt();
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            if ((SDL_Scancode) scancode.toInt() == SDL_SCANCODE_UNKNOWN)
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                continue;
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            cell = 0;
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            scancode = "";
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            keyname = "";
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            continue;
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        }
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        if (cell == 0 && currChar != '\"') {
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            scancode += currChar;
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        } else if (cell == 1 && currChar != '\"') {
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            keyname += currChar;
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        }
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        charInCell++;
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    }
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    keyMapGenerated = true;
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    keyFile.close();
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    return true;
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}
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SDL_Scancode KeyMap::getScancodeFromKeyname(QString keyname)
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{
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    if (mapOfScancodes.contains(keyname))
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        return mapOfScancodes[keyname];
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    else
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        return SDL_SCANCODE_UNKNOWN;
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}
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QString KeyMap::getKeynameFromScancode(int scancode)
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{
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    if (mapOfKeynames.contains((SDL_Scancode) scancode))
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        if ((SDL_Scancode) scancode == SDL_SCANCODE_UNKNOWN)
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            return QString("none");
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        else
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            return mapOfKeynames[(SDL_Scancode) scancode];
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    else
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        return QString("");
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}
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QString KeyMap::getKeynameFromScancodeConverted(int scancode)
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{
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    SDL_Keycode keycode = SDL_GetKeyFromScancode((SDL_Scancode) scancode);
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    return SDL_GetKeyName(keycode);
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}
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