progress_bar.hpp

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// Symphony of Empires
// Copyright (C) 2021, Symphony of Empires contributors
//
// 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 <https://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Name:
//      eng3d/ui/progress_bar.hpp
//
// Abstract:
//      Does some important stuff.
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <cstddef>
#include <deque>
#include <functional>
#include <vector>
#include <string>
 
#include "eng3d/ui/widget.hpp"
 
namespace UI {
    class Context;
    enum class Direction {
        LEFT_TO_RIGHT,
        RIGHT_TO_LEFT,
        TOP_TO_BOTTOM,
        BOTTOM_TO_TOP
    };
 
    class ProgressBar: public Widget {
        float value = 0.f;
    public:
        ProgressBar(int x, int y, unsigned w, unsigned h, float min, float max, Widget* _parent = nullptr);
        virtual ~ProgressBar() override {}
        virtual void on_render(UI::Context& ctx, Eng3D::Rect viewport) override;
        inline void set_value(const float _value) {
            value = glm::clamp(_value, min, max);
        }
 
        inline float get_value() const {
            return value;
        }
 
        float min = 0.f, max = 1.f;
        UI::Direction direction = UI::Direction::LEFT_TO_RIGHT;
    };
}