102 lines
3 KiB
C
102 lines
3 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 2000
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//
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// File: cplnkele.h
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//
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//--------------------------------------------------------------------------
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#ifndef __CONTROLPANEL_LINKELEM_H
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#define __CONTROLPANEL_LINKELEM_H
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#include "cpviewp.h"
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#include "cpuiele.h"
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#include "cputil.h"
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namespace CPL {
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class CLinkElement : public DUI::Button
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{
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public:
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virtual ~CLinkElement(void);
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void OnEvent(DUI::Event *pev);
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void OnInput(DUI::InputEvent *pev);
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void OnPropertyChanged(DUI::PropertyInfo *ppi, int iIndex, DUI::Value *pvOld, DUI::Value *pvNew);
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void OnDestroy(void);
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static HRESULT Create(DUI::Element **ppElement);
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HRESULT Initialize(IUICommand *pUiCommand, eCPIMGSIZE eIconSize);
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//
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// ClassInfo accessors (static and virtual instance-based)
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//
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static DUI::IClassInfo *Class;
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virtual DUI::IClassInfo *GetClassInfo(void)
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{ return Class; }
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static HRESULT Register();
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private:
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//
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// These are the 3 states of a drag operation that we transition
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// through. See the OnInput() method for usage and description.
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//
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enum { DRAG_IDLE, DRAG_HITTESTING, DRAG_DRAGGING };
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IUICommand *m_pUiCommand; // Link command object associated with element.
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eCPIMGSIZE m_eIconSize;
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HWND m_hwndInfotip; // Infotip window.
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ATOM m_idTitle;
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ATOM m_idIcon;
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int m_iDragState;
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RECT m_rcDragBegin;
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//
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// Prevent copy.
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//
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CLinkElement(const CLinkElement& rhs); // not implemented.
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CLinkElement& operator = (const CLinkElement& rhs); // not implemented.
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public:
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CLinkElement(void);
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private:
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HRESULT _Initialize(void);
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HRESULT _InitializeAccessibility(void);
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HRESULT _CreateElementTitle(void);
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HRESULT _CreateElementIcon(void);
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HRESULT _GetElementIcon(HICON *phIcon);
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HRESULT _AddOrDeleteAtoms(bool bAdd);
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HRESULT _OnContextMenu(DUI::ButtonContextEvent *peButton);
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HRESULT _OnSelected(void);
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void _Destroy(void);
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void _OnElementResized(DUI::Value *pvNewExtent);
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void _OnElementMoved(DUI::Value *pvNewLocation);
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void _OnMouseOver(DUI::Value *pvNewMouseWithin);
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HRESULT _GetInfotipText(LPWSTR *ppszInfotip);
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HRESULT _GetTitleText(LPWSTR *ppszTitle);
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HRESULT _ShowInfotipWindow(bool bShow);
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HRESULT _GetDragDropData(IDataObject **ppdtobj);
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HRESULT _BeginDrag(int iClickPosX, int iClickPosY);
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HRESULT _SetPreferredDropEffect(IDataObject *pdtobj, DWORD dwEffect);
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HRESULT _GetDragImageBitmap(HBITMAP *phbm, LONG *plWidth, LONG *plHeight);
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HRESULT _SetDragImage(IDataObject *pdtobj, int iClickPosX, int iClickPosY);
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};
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} // namespace CPL
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#endif // __CONTROLPANEL_LINKELEM_H
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