boinc/clientgui/common/wxFNBDropTarget.h

87 lines
2.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: wxFlatNotebook.cpp
// Purpose: generic implementation of flat style notebook class.
// Author: Eran Ifrah <eranif@bezeqint.net>
// Modified by: Priyank Bolia <soft@priyank.in>
// Created: 30/12/2005
// Modified: 01/01/2006
// Copyright: Eran Ifrah (c)
// Licence: wxWindows license <http://www.wxwidgets.org/licence3.txt>
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_FNB_DROP_TARGET_H
#define _WX_FNB_DROP_TARGET_H
/**
\brief Contains the information about dragged page (page index and container).
*/
class wxFNBDragInfo
{
wxWindow * m_Container;
int m_PageIndex;
public:
/**
Constructor
\param container - pointer to wxPageContainer object which contains dragged page
\param pageindex - index of dragged page
*/
wxFNBDragInfo(wxWindow * container, int pageindex) : m_Container(container), m_PageIndex(pageindex){}
/**
Returns wxPageContainer object which contains dragged page
*/
wxWindow * GetContainer() {return m_Container;}
/**
Returns the index of dragged page
*/
int GetPageIndex() {return m_PageIndex;}
};
/**
\brief Used for processing drag-n-drop opeartions
*/
template <class T>
class wxFNBDropTarget : public wxDropTarget
{
private:
typedef wxDragResult (T::*pt2Func)(wxCoord, wxCoord, int, wxWindow *);
T* m_pParent;
pt2Func m_pt2CallbackFunc;
wxCustomDataObject * m_DataObject;
public:
/**
\brief Constructor
\param pParent - Object that will handle drag-n-drop operation
\param pt2CallbackFunc - Pointer to callback method which should be called after dragging the notebook page
*/
wxFNBDropTarget(T* pParent, pt2Func pt2CallbackFunc)
: m_pParent(pParent)
, m_pt2CallbackFunc(pt2CallbackFunc)
, m_DataObject(NULL)
{
m_DataObject = new wxCustomDataObject(wxDataFormat(wxT("wxFNB")));
SetDataObject(m_DataObject);
}
/**
\brief Virtual Destructor
*/
virtual ~wxFNBDropTarget(void) {}
/**
\brief Used for processing drop operation
\param x - X-coordinate
\param y - Y-coordinate
\param def - Result of drag-n-drop operation
*/
virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult /*def*/)
{
GetData();
wxFNBDragInfo * draginfo = (wxFNBDragInfo *)m_DataObject->GetData();
if(!draginfo)
{
return wxDragNone;
}
return (m_pParent->*m_pt2CallbackFunc)(x, y, draginfo->GetPageIndex(), (T *)draginfo->GetContainer());
}
};
#endif