Быстрый алгоритм разделения и слияния при помощи мостиков / source / ConvexHull / StatusControl

#include "stdafx.h"
#include "StatusControl.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CStatusControl

CStatusControl::CStatusControl()
{
}

CStatusControl::~CStatusControl()
{
}


BEGIN_MESSAGE_MAP(CStatusControl, CWnd)
	//{{AFX_MSG_MAP(CStatusControl)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CStatusControls message handlers



BOOL CStatusControl::setup(CStatusBar * parent, UINT id, CRect & r)
    {
     int i = parent->CommandToIndex(id);

     parent->GetItemRect(i, &r);

     parent->SetPaneText(i, "");

     // If the pane was not visible, GetItemRect has returned a
     // (0, 0, 0, 0) rectangle. Attempting to create the control
     // using this rectangle creates it, possibly of zero size,
     // at the left of the status bar. We correct this by
     // forcing it to be off the visible right end of the status
     // bar. If the programmer properly handles the parent frame's
     // OnSize method, when the control becomes visible it will
     // move to the correct location.
     if(r.IsRectEmpty())
	{ /* offscreen */
	 CRect r1;
	 parent->GetWindowRect(&r1); // get parent width
	 r.left = r1.right + 1;
	 r.top =  r1.top;
	 r.right = r1.right + 2;
	 r.bottom = r1.bottom;
	 return FALSE;
	} /* offscreen */

     return TRUE;
    }



void CStatusControl::reposition(CWnd * wnd)
    {
     if(wnd == NULL || wnd->m_hWnd == NULL)
         return;
     UINT id = ::GetWindowLong(wnd->m_hWnd, GWL_ID);
     CRect r;

     // Note that because the control ID is the same as the
     // pane ID, this actually works well enough that
     // no special variable is required to obtain the
     // pane index.
     CStatusBar * parent = (CStatusBar *)wnd->GetParent();
     int i = parent->CommandToIndex(id);
     parent->GetItemRect(i, &r);
     wnd->SetWindowPos(&wndTop, r.left, r.top, r.Width(), r.Height(), 0);
    }



BOOL CStatusControl::Create(LPCTSTR classname, CStatusBar * parent, UINT id, DWORD style)
    {
     CRect r;

     setup(parent, id, r);

     return CWnd::Create(classname, NULL, style | WS_CHILD, r, parent, id);
    }



void CStatusControl::Reposition()
    {
     reposition(this);
    }