ScreenSettings.h

/* 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 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/>.
 *
 */

/*
 * This code is based on the CRAB engine
 *
 * Copyright (c) Arvind Raja Yadav
 *
 * Licensed under MIT
 *
 */

#ifndef CRAB_SCREENSETTINGS_H
#define CRAB_SCREENSETTINGS_H

#include "crab/rapidxml/rapidxml.hpp"

namespace Crab {

struct Dimension {
    int w, h;
    Dimension() {
        w = 1280;
        h = 720;
    }

    bool operator<(const Dimension &d) { return (w < d.w && h < d.h); }
};

class ScreenAttributes {
public:
    // Frames per second
    int _fps;

    // The current screen dimensions
    Dimension _cur;

    // The minimum dimension where we draw the image without scaling
    // Any lower than this and we draw at the minimum resolution, then scale it down
    // Dimension min;

    // Is the window full-screen?
    bool _fullscreen;

    // Does the window have a border?
    bool _border;

    // Is vertical sync enabled?
    bool _vsync;

    // The brightness of a window
    float _gamma;

    // The video flags
    uint32 _videoflags;

    // should we save on exit?
    bool _saveOnExit;

    // This flag is true if we want to load high quality images, false otherwise
    bool _quality;

    // Is the mouse trapped within the window
    bool _mouseTrap;

    // The text speed (used only for popup text)
    float _textSpeed;

    ScreenAttributes() {
        _fps = 60;
        _fullscreen = false;
        _border = true;
        _vsync = true;
        _saveOnExit = true;
        _quality = true;
        _mouseTrap = false;
        _gamma = 1.0f;
        _textSpeed = 1.0f;
        _videoflags = 0; //SDL_WINDOW_SHOWN;
    }
};

// Screen attributes
class ScreenSettings : public ScreenAttributes {

public:
    // The desktop dimensions
    Dimension _desktop;

    // True if we are in game, false otherwise
    bool _inGame;

    // Set to true when we have to call setUI() for rearranging UI after a resolution change
    bool _changeInterface;

    // The version of the settings
    uint _version;

    ScreenSettings() {
        _inGame = false;
        _version = 0;
        _changeInterface = false;
    }
    ~ScreenSettings() {}

    bool validDimension(Dimension d) {
        return d.w <= _desktop.w && d.h <= _desktop.h;
    }

    void load(rapidxml::xml_node<char> *node);

    void internalEvents();

    void toggleFullScreen();
    void toggleVsync();

    void saveState();
};

}

#endif // CRAB_SCREENSETTINGS_H