80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
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/*
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GWEN
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Copyright (c) 2010 Facepunch Studios
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See license in Gwen.h
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*/
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#pragma once
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#ifndef GWEN_CONTROLS_SCROLLBAR_H
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#define GWEN_CONTROLS_SCROLLBAR_H
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#include "gwen_base.h"
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#include "gwen_scrollbarbar.h"
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#include "gwen_scrollbarbutton.h"
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#include "../gwen.h"
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#define SCROLL_BUTTON_UP 0
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#define SCROLL_BUTTON_LEFT 0
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#define SCROLL_BUTTON_DOWN 1
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#define SCROLL_BUTTON_RIGHT 1
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#define NUDGE_DIST 10
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namespace Gwen
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{
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namespace Controls
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{
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class GWEN_EXPORT BaseScrollBar : public Base
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{
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public:
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GWEN_CONTROL( BaseScrollBar, Base );
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virtual void Render( Skin::Base* skin );
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virtual void SetBarSize(int size) = 0;
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virtual int GetBarSize() = 0;
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virtual int GetBarPos() = 0;
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virtual void OnBarMoved( Controls::Base* control);
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virtual void OnMouseClickLeft( int /*x*/, int /*y*/, bool /*bDown*/ ){}
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virtual void ScrollToLeft(){}
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virtual void ScrollToRight(){}
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virtual void ScrollToTop(){}
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virtual void ScrollToBottom(){}
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virtual float GetNudgeAmount() { return m_fNudgeAmount / m_fContentSize; }
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virtual void SetNudgeAmount( float nudge ) { m_fNudgeAmount = nudge; }
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virtual void BarMovedNotification();
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virtual float CalculateScrolledAmount() { return 0; }
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virtual int CalculateBarSize() { return 0; }
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virtual bool SetScrolledAmount(float amount, bool forceUpdate);
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virtual void SetContentSize(float size);
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virtual void SetViewableContentSize(float size);
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virtual int GetButtonSize() { return 0; }
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virtual float GetScrolledAmount() { return m_fScrolledAmount; }
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virtual bool IsHorizontal(){ return false; }
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Gwen::Event::Caller onBarMoved;
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protected:
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ControlsInternal::ScrollBarButton* m_ScrollButton[2];
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ControlsInternal::ScrollBarBar * m_Bar;
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bool m_bDepressed;
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float m_fScrolledAmount;
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float m_fContentSize;
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float m_fViewableContentSize;
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float m_fNudgeAmount;
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};
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}
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}
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#endif
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