C / C++ / MFC

int bounding_box_collision(int b1_x, int b1_y, int b1_w, int b1_h, int b2_x, int b2_y, int b2_w, int b2_h)
{
    if ((b1_x > b2_x + b2_w - 1) || // is b1 on the right side of b2?
        (b1_y > b2_y + b2_h - 1) || // is b1 under b2?
        (b2_x > b1_x + b1_w - 1) || // is b2 on the right side of b1?
        (b2_y > b1_y + b1_h - 1))   // is b2 under b1?
    {
        // no collision
        return 0;
    }
 
    // collision
    return 1;
}

for (i=0; i<N-1; ++i)
  for (j=i+1; j<N; ++j)
    if ( IntersectRect(&rcOut, &rc[i], &rc[j] )
    {
      // do something here...
    }

sma123# wrote:

...first column always fixed on Horizontal scroll.

void CMainFrame::OnLButtonDown(UINT nFlags, CPoint point)
{
	// TODO: Add your message handler code here and/or call default
	SetCapture();
	CFrameWnd::OnLButtonDown(nFlags, point);
}


void CMainFrame::OnMouseMove(UINT nFlags, CPoint point)
{
	// TODO: Add your message handler code here and/or call default
	if(GetCapture()==this){
		posX=point.x;
		posY=point.y;
	}
	CFrameWnd::OnMouseMove(nFlags, point);
}

void CMainFrame::OnUpdateCursor(CCmdUI *pCmdUI){
	CString pos;
	pos.Format(ID_INDICATOR_CURSOR,posX,posY);
	m_wndStatusBar.SetPaneText(m_wndStatusBar.CommandToIndex(ID_INDICATOR_CURSOR),pos);
}

pos.Format(" x: %d ,y: %d " ,posX,posY);

"x: 0 , y: 0"

void CMainFrame::OnUpdateCursor(CCmdUI *pCmdUI){
	CString pos;
        posX=100;
        posY=200;
	pos.Format(L" x: %d ,y: %d ",posX,poxY);
	m_wndStatusBar.SetPaneText(m_wndStatusBar.CommandToIndex(ID_INDICATOR_CURSOR),pos);
}

"x: 100,y: 200"

Vladislav Gospodinov wrote:

Any other way of checking ?

CMainFrame::OnMouseMove 

CpositionView::OnMouseMove

CpositionView::positionX

void CDlgStatusBarDlg::OnMouseMove(UINT nFlags, CPoint point) 
{
    CString s;
    s.Format("X=%d Y=%d",point.x,point.y);
    m_bar.SetPaneText(0,s);
    CDialog::OnMouseMove(nFlags, point);
}