tooltipctrl.cpp

3D reconstruction, medical image processing from colons, using intel image processing for based clas

// ToolTipCtrl.cpp : implementation file
//

#include "stdafx.h"
#include "fusion.h"
#include "ToolTipCtrl.h"

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

/////////////////////////////////////////////////////////////////////////////
// RxToolTipCtrl

// static members
CString RxToolTipCtrl::m_strClassName;

RxToolTipCtrl::RxToolTipCtrl()
{
}

RxToolTipCtrl::~RxToolTipCtrl()
{
	if(m_hWnd)			DestroyWindow();
}


BEGIN_MESSAGE_MAP(RxToolTipCtrl, CWnd)
	//{{AFX_MSG_MAP(RxToolTipCtrl)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// RxToolTipCtrl message handlers

BOOL RxToolTipCtrl::Create(CWnd* pWndParent, BOOL bShadow)
{
	// create our tooltip window but leave it invisible
	// do we need to register the class?
	if (m_strClassName.IsEmpty())
	{
		// first, create the background brush
		CBrush  brBrush;
		brBrush.CreateSolidBrush (::GetSysColor (COLOR_INFOBK));

		// register the class name
		m_strClassName = ::AfxRegisterWndClass (CS_BYTEALIGNCLIENT|CS_SAVEBITS|CS_HREDRAW|CS_VREDRAW,
								0, (HBRUSH)brBrush.Detach ());
    	if (m_strClassName.IsEmpty())
			return 0;				// we're we successful?
	}

	// create the bubble window and set the created flag
	CRect rect;
	rect.SetRectEmpty();

	HWND hwndParent = (pWndParent == NULL) ? NULL :	pWndParent->GetSafeHwnd();
	if (!CreateEx (WS_EX_TOOLWINDOW, m_strClassName, _T (""), WS_POPUP,
                           rect.left, rect.top, rect.right, rect.bottom, hwndParent, (HMENU)NULL))
		return FALSE;

	return TRUE;
}

void RxToolTipCtrl::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// paint our text, centered in the window
	CRect rect;
	GetClientRect(rect);

	dc.FillSolidRect(rect, ::GetSysColor(COLOR_INFOBK));
	dc.Draw3dRect(rect, RGB(  0,  0,  0), RGB(  0,  0,  0));

	// select our font and setup for text painting
	CFont *pOldFont = (CFont *)dc.SelectStockObject(DEFAULT_GUI_FONT);
	dc.SetBkMode(TRANSPARENT);
	dc.SetTextColor(::GetSysColor(COLOR_INFOTEXT));

	CString  strText;
	GetWindowText(strText);

	dc.DrawText (strText, rect, DT_SINGLELINE|DT_VCENTER|DT_CENTER);

	dc.SelectObject(pOldFont);
}

//*******************************************************************************************
void RxToolTipCtrl::Track(CPoint point, LPCTSTR lpszText)
{
	if(m_ptLastPoint == point)			return;

	// set the text
	SetWindowText(lpszText);

	CDC		*pDC = GetDC();
	CFont	*pOldFont = (CFont *)pDC->SelectStockObject(DEFAULT_GUI_FONT);
	CSize	szText = pDC->GetTextExtent(lpszText);
	pDC->SelectObject(pOldFont);
	ReleaseDC(pDC);

	// move the window
	SetWindowPos(&wndTop, point.x, point.y, szText.cx+6, szText.cy+4, SWP_NOACTIVATE);
  
	//-----------------------------------------------
	// Adjust the window position by the screen size:
	//-----------------------------------------------
	CRect rectWindow;
	GetWindowRect (rectWindow);

	if (rectWindow.right > ::GetSystemMetrics (SM_CXFULLSCREEN))
	{
		point.x = ::GetSystemMetrics (SM_CXFULLSCREEN) - rectWindow.Width ();
		SetWindowPos(&wndTop, point.x, point.y, 0, 0, SWP_NOSIZE|SWP_NOACTIVATE);
	}

	if (rectWindow.bottom > ::GetSystemMetrics (SM_CYFULLSCREEN) - 20)
	{
		point.y = ::GetSystemMetrics (SM_CYFULLSCREEN) - rectWindow.Height () - 20;
		SetWindowPos(&wndTop, point.x, point.y, 0, 0, SWP_NOSIZE|SWP_NOACTIVATE);
	}

	m_ptLastPoint = point;

    // show the window
	ShowWindow(SW_SHOWNOACTIVATE);
}

//*******************************************************************************************
void RxToolTipCtrl::Hide()
{
	// hide the bubble window
	ShowWindow(SW_HIDE);
}