scummvm/engines/crab/ui/slider.h
2023-09-02 10:55:47 +02:00

103 lines
2.1 KiB
C++

/* 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_SLIDER_H
#define CRAB_SLIDER_H
#include "crab/ui/Caption.h"
#include "crab/ui/ImageData.h"
#include "crab/ui/button.h"
namespace Crab {
namespace pyrodactyl {
namespace ui {
class Slider {
// The value of the slider and the backup
int _value, _backup;
// The slider bar position and dimensions
ImageData _bar;
// The slider knob
Button _knob;
// Caption for the slider
Caption _caption;
// The maximum and minimum values for the slider
int _max, _min;
// Grey out?
bool _isGreyed;
public:
Slider() {
_max = 100;
_min = 0;
_value = ((_max - _min) / 2);
_backup = _value;
_isGreyed = false;
}
~Slider() {}
void load(rapidxml::xml_node<char> *node, const int &min, const int &max, const int &val);
bool handleEvents(const Common::Event &event);
void draw();
int Value() { return _value; }
void value(const int val);
void createBackup() {
_backup = _value;
}
void restoreBackup() {
_value = _backup;
setUI();
}
void setEnabled(bool enabled) {
_isGreyed = !enabled;
}
void greyOut();
void setUI();
};
} // End of namespace ui
} // End of namespace pyrodactyl
} // End of namespace Crab
#endif // CRAB_SLIDER_H