114 lines
2.6 KiB
C
114 lines
2.6 KiB
C
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// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_GUI_SCROLL_BAR_H_INCLUDED__
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#define __C_GUI_SCROLL_BAR_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_GUI_
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#include "IGUIScrollBar.h"
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#include "IGUIButton.h"
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namespace irr
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{
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namespace gui
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{
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class CGUIScrollBar : public IGUIScrollBar
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{
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public:
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//! constructor
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CGUIScrollBar(bool horizontal, IGUIEnvironment* environment,
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IGUIElement* parent, s32 id, core::rect<s32> rectangle,
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bool noclip=false);
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//! destructor
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virtual ~CGUIScrollBar();
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//! called if an event happened.
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virtual bool OnEvent(const SEvent& event);
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//! draws the element and its children
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virtual void draw();
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virtual void OnPostRender(u32 timeMs);
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//! gets the maximum value of the scrollbar.
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virtual s32 getMax() const;
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//! sets the maximum value of the scrollbar.
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virtual void setMax(s32 max);
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//! gets the minimum value of the scrollbar.
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virtual s32 getMin() const;
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//! sets the minimum value of the scrollbar.
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virtual void setMin(s32 min);
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//! gets the small step value
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virtual s32 getSmallStep() const;
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//! sets the small step value
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virtual void setSmallStep(s32 step);
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//! gets the large step value
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virtual s32 getLargeStep() const;
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//! sets the large step value
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virtual void setLargeStep(s32 step);
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//! gets the current position of the scrollbar
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virtual s32 getPos() const;
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//! sets the position of the scrollbar
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virtual void setPos(s32 pos);
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//! updates the rectangle
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virtual void updateAbsolutePosition();
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//! Writes attributes of the element.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const;
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//! Reads attributes of the element
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virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options);
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private:
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void refreshControls();
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s32 getPosFromMousePos(const core::position2di &p) const;
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IGUIButton* UpButton;
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IGUIButton* DownButton;
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core::rect<s32> SliderRect;
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bool Dragging;
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bool Horizontal;
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bool DraggedBySlider;
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bool TrayClick;
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s32 Pos;
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s32 DrawPos;
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s32 DrawHeight;
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s32 Min;
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s32 Max;
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s32 SmallStep;
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s32 LargeStep;
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s32 DesiredPos;
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u32 LastChange;
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video::SColor CurrentIconColor;
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f32 range () const { return (f32) ( Max - Min ); }
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};
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} // end namespace gui
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_GUI_
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#endif
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