mirror of https://github.com/BOINC/boinc.git
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
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#ifndef _WX_FNB_DROP_TARGET_H
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#define _WX_FNB_DROP_TARGET_H
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#include <wx/wx.h>
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#include <wx/dnd.h>
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/**
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\brief Contains the information about dragged page (page index and container).
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*/
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class wxFNBDragInfo
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{
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wxWindow * m_Container;
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int m_PageIndex;
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public:
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/**
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Constructor
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\param container - pointer to wxPageContainer object which contains dragged page
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\param pageindex - index of dragged page
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*/
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wxFNBDragInfo(wxWindow * container, int pageindex) : m_Container(container), m_PageIndex(pageindex){}
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/**
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Returns wxPageContainer object which contains dragged page
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*/
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wxWindow * GetContainer() {return m_Container;}
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/**
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Returns the index of dragged page
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*/
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int GetPageIndex() {return m_PageIndex;}
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};
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/**
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\brief Used for processing drag-n-drop opeartions
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*/
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template <class T>
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class wxFNBDropTarget : public wxDropTarget
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{
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private:
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typedef wxDragResult (T::*pt2Func)(wxCoord, wxCoord, int, wxWindow *);
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T* m_pParent;
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pt2Func m_pt2CallbackFunc;
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wxCustomDataObject * m_DataObject;
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public:
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/**
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\brief Constructor
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\param pParent - Object that will handle drag-n-drop operation
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\param pt2CallbackFunc - Pointer to callback method which should be called after dragging the notebook page
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*/
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wxFNBDropTarget(T* pParent, pt2Func pt2CallbackFunc)
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: m_pParent(pParent)
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, m_pt2CallbackFunc(pt2CallbackFunc)
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, m_DataObject(NULL)
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{
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m_DataObject = new wxCustomDataObject(wxDataFormat(wxT("wxFNB")));
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SetDataObject(m_DataObject);
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}
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/**
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\brief Virtual Destructor
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*/
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virtual ~wxFNBDropTarget(void) {}
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/**
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\brief Used for processing drop operation
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\param x - X-coordinate
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\param y - Y-coordinate
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\param def - Result of drag-n-drop operation
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*/
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virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def)
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{
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GetData();
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wxFNBDragInfo * draginfo = (wxFNBDragInfo *)m_DataObject->GetData();
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if(!draginfo)
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{
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return wxDragNone;
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}
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return (m_pParent->*m_pt2CallbackFunc)(x, y, draginfo->GetPageIndex(), (T *)draginfo->GetContainer());
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}
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};
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#endif
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