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/*
This file is part of Warzone 2100.
Copyright (C) 2020 Warzone 2100 Project
Warzone 2100 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 2 of the License, or
(at your option) any later version.
Warzone 2100 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 Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Definitions for scroll bar functions.
*/
#ifndef __INCLUDED_LIB_WIDGET_SCROLLBAR_H__
#define __INCLUDED_LIB_WIDGET_SCROLLBAR_H__
#include "widget.h"
#include "slider.h"
class ScrollBarWidget : public WIDGET
{
protected:
ScrollBarWidget(): WIDGET() {}
virtual void initialize();
public:
static std::shared_ptr<ScrollBarWidget> make()
{
class make_shared_enabler: public ScrollBarWidget {};
auto widget = std::make_shared<make_shared_enabler>();
widget->initialize();
return widget;
}
uint16_t position() const;
void setPosition(uint16_t newPosition);
void setScrollableSize(uint16_t value);
void setViewSize(uint16_t value);
void setStickToBottom(bool value);
void incrementPosition(int32_t amount);
void enable();
void disable();
bool isEnabled() const;
protected:
void geometryChanged() override;
private:
std::shared_ptr<W_SLIDER> slider;
uint16_t scrollableSize = 1;
uint16_t viewSize = 1;
bool stickToBottom = false;
void updateSlider();
};
#endif // __INCLUDED_LIB_WIDGET_SCROLLBAR_H__
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