QTfrontend/util/KeyMap.cpp
author Wuzzy <Wuzzy2@mail.ru>
Thu, 11 Jul 2019 16:24:09 +0200
changeset 15252 c10e9261ab9c
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permissions -rw-r--r--
Make lowest line of Splash image frames transparent to work around scaling issues The Splash image is scaled. Sometimes, the lowest line is repeated on the top, which caused some weird lines to appear above big splashes (e.g. piano). This has been done fully automated with a script. Only the alpha channel was changed. The color information is preserved.
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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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