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- /*
- Copyright (C) 2002-2013 Nikolaus Gebhardt
- This file is part of the "Irrlicht Engine".
- For conditions of distribution and use, see copyright notice in irrlicht.h
- Modified 2019.05.01 by stujones11, Stuart Jones <stujones111@gmail.com>
- This is a heavily modified copy of the Irrlicht CGUIScrollBar class
- which includes automatic scaling of the thumb slider and hiding of
- the arrow buttons where there is insufficient space.
- */
- #pragma once
- #include "irrlichttypes_extrabloated.h"
- class ISimpleTextureSource;
- using namespace irr;
- using namespace gui;
- class GUIScrollBar : public IGUIElement
- {
- public:
- GUIScrollBar(IGUIEnvironment *environment, IGUIElement *parent, s32 id,
- core::rect<s32> rectangle, bool horizontal, bool auto_scale,
- ISimpleTextureSource *tsrc);
- enum ArrowVisibility
- {
- HIDE,
- SHOW,
- DEFAULT
- };
- virtual void draw();
- virtual void updateAbsolutePosition();
- virtual bool OnEvent(const SEvent &event);
- s32 getMax() const { return max_pos; }
- s32 getMin() const { return min_pos; }
- s32 getLargeStep() const { return large_step; }
- s32 getSmallStep() const { return small_step; }
- s32 getPos() const;
- void setMax(const s32 &max);
- void setMin(const s32 &min);
- void setSmallStep(const s32 &step);
- void setLargeStep(const s32 &step);
- void setPos(const s32 &pos);
- void setPageSize(const s32 &size);
- void setArrowsVisible(ArrowVisibility visible);
- private:
- void refreshControls();
- s32 getPosFromMousePos(const core::position2di &p) const;
- f32 range() const { return f32(max_pos - min_pos); }
- IGUIButton *up_button;
- IGUIButton *down_button;
- ArrowVisibility arrow_visibility = DEFAULT;
- bool is_dragging;
- bool is_horizontal;
- bool is_auto_scaling;
- bool dragged_by_slider;
- bool tray_clicked;
- s32 scroll_pos;
- s32 draw_center;
- s32 thumb_size;
- s32 min_pos;
- s32 max_pos;
- s32 small_step;
- s32 large_step;
- s32 drag_offset;
- s32 page_size;
- s32 border_size;
- core::rect<s32> slider_rect;
- video::SColor current_icon_color;
- ISimpleTextureSource *m_tsrc;
- };
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