126 lines
4.3 KiB
C
126 lines
4.3 KiB
C
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/*
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* ScrollBar
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*/
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#ifndef DUI_CONTROL_SCROLLBAR_H_INCLUDED
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#define DUI_CONTROL_SCROLLBAR_H_INCLUDED
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#pragma once
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namespace DirectUI
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{
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////////////////////////////////////////////////////////
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// ScrollBar
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// Scroll bar layout order
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#define SBO_Normal 0x00043210
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#define SBO_ArrowsAtTop 0x00032140
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#define SBO_ArrowsAtBottom 0x00040321
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// Scroll event
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struct ScrollEvent : Event
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{
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int dPos;
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};
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// Class definition
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class ScrollBar : public Element
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{
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public:
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static HRESULT Create(OUT Element** ppElement) { return Create(true, ppElement); }
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static HRESULT Create(bool fBuildSubTree, OUT Element** ppElement);
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// Generic events
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virtual void OnEvent(Event* pEvent);
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// System events
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virtual bool OnPropertyChanging(PropertyInfo* ppi, int iIndex, Value* pvOld, Value* pvNew);
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virtual void OnPropertyChanged(PropertyInfo* ppi, int iIndex, Value* pvOld, Value* pvNew);
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// Self-layout methods
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void _SelfLayoutDoLayout(int dWidth, int dHeight);
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SIZE _SelfLayoutUpdateDesiredSize(int dConstW, int dConstH, Surface* psrf);
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// Event types
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static UID Scroll;
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// Property definitions
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static PropertyInfo* PositionProp;
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static PropertyInfo* MinimumProp;
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static PropertyInfo* MaximumProp;
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static PropertyInfo* PageProp;
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static PropertyInfo* LineProp;
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static PropertyInfo* VerticalProp;
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static PropertyInfo* ProportionalProp;
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static PropertyInfo* OrderProp;
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// Quick property accessors
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int GetPosition() DUIQuickGetter(int, GetInt(), Position, Specified)
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int GetMaximum() DUIQuickGetter(int, GetInt(), Maximum, Specified)
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int GetMinimum() DUIQuickGetter(int, GetInt(), Minimum, Specified)
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int GetPage() DUIQuickGetter(int, GetInt(), Page, Specified)
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int GetLine() DUIQuickGetter(int, GetInt(), Line, Specified)
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int GetOrder() DUIQuickGetter(int, GetInt(), Order, Specified)
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bool GetProportional() DUIQuickGetter(bool, GetBool(), Proportional, Specified)
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bool GetVertical() DUIQuickGetter(bool, GetBool(), Vertical, Specified)
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HRESULT SetPosition(int v) DUIQuickSetter(CreateInt(v), Position)
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HRESULT SetMaximum(int v) DUIQuickSetter(CreateInt(v), Maximum)
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HRESULT SetMinimum(int v) DUIQuickSetter(CreateInt(v), Minimum)
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HRESULT SetPage(int v) DUIQuickSetter(CreateInt(v), Page)
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HRESULT SetLine(int v) DUIQuickSetter(CreateInt(v), Line)
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HRESULT SetOrder(int v) DUIQuickSetter(CreateInt(v), Order)
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HRESULT SetProportional(bool v) DUIQuickSetter(CreateBool(v), Proportional)
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HRESULT SetVertical(bool v) DUIQuickSetter(CreateBool(v), Vertical)
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int LineUp(UINT nCount = 1) { SetPosition(GetPosition() - (nCount * GetLine())); return GetPosition(); }
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int LineDown(UINT nCount = 1) { SetPosition(GetPosition() + (nCount * GetLine())); return GetPosition(); }
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int PageUp(UINT nCount = 1) { SetPosition(GetPosition() - (nCount * GetPageInc())); return GetPosition(); }
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int PageDown(UINT nCount = 1) { SetPosition(GetPosition() + (nCount * GetPageInc())); return GetPosition(); }
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int Home() { SetPosition(GetMinimum()); return GetPosition(); }
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int End() { SetPosition(GetMaximum()); return GetPosition(); }
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bool IsScrollable();
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bool IsPinned() { return _fPinned; }
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// ClassInfo accessors (static and virtual instance-based)
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static IClassInfo* Class;
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virtual IClassInfo* GetClassInfo() { return Class; }
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static HRESULT Register();
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ScrollBar() { }
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HRESULT Initialize(bool fBuildSubTree);
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virtual ~ScrollBar() { }
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protected:
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#define SP_LineUp 0
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#define SP_PageUp 1
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#define SP_Thumb 2
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#define SP_PageDown 3
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#define SP_LineDown 4
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#define SP_Count 5
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Element* _peParts[SP_Count];
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#define _peLineUp _peParts[SP_LineUp]
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#define _peLineDown _peParts[SP_LineDown]
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#define _pePageUp _peParts[SP_PageUp]
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#define _pePageDown _peParts[SP_PageDown]
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#define _peThumb _peParts[SP_Thumb]
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private:
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int GetPageInc();
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int _posTop;
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int _cTrack;
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bool _fPinned;
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};
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} // namespace DirectUI
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#endif // DUI_CONTROL_SCROLLBAR_H_INCLUDED
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