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// NewButton.cpp : implementation file
//
#include "stdafx.h"
#include "DerivedDB.h"
#include "NewButton.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CNewButton
CNewButton::CNewButton()
{
m_bOverControl = FALSE;
m_nTimerID = 1;
}
CNewButton::~CNewButton()
{
}
BEGIN_MESSAGE_MAP(CNewButton, CButton)
//{{AFX_MSG_MAP(CNewButton)
ON_WM_MOUSEMOVE()
ON_WM_TIMER()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CNewButton message handlers
void CNewButton::OnMouseMove(UINT nFlags, CPoint point)
{
if (!m_bOverControl) // Cursor has just moved over control
{
TRACE0("Entering control\n");
m_bOverControl = TRUE; // Set flag telling us the mouse is in
Invalidate(); // Force a redraw
SetTimer(m_nTimerID, 100, NULL); // Keep checking back every 1/10 sec
}
CButton::OnMouseMove(nFlags, point);
}
void CNewButton::OnTimer(UINT nIDEvent)
{
// Where is the mouse?
CPoint p(GetMessagePos());
ScreenToClient(&p);
// Get the bounds of the control (just the client area)
CRect rect;
GetClientRect(rect);
// Check the mouse is inside the control
if (!rect.PtInRect(p))
{
TRACE0("Leaving control\n");
// if not then stop looking...
m_bOverControl = FALSE;
KillTimer(m_nTimerID);
// ...and redraw the control
Invalidate();
}
CButton::OnTimer(nIDEvent);
}
void CNewButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
CRect rect = lpDrawItemStruct->rcItem;
UINT state = lpDrawItemStruct->itemState;
CString strText;
/* GetWindowText(strText); <<<<<< gets text from button assigned in editor
We don't need this as we are assigning custom
text a few lines down */
// draw the control edges (DrawFrameControl is handy!)
if (state & ODS_SELECTED)
pDC->DrawFrameControl(rect, DFC_BUTTON, DFCS_BUTTONPUSH | DFCS_FLAT | DFCS_PUSHED);
else
pDC->DrawFrameControl(rect, DFC_BUTTON, DFCS_BUTTONPUSH | DFCS_FLAT);
// Deflate the drawing rect by the size of the button's edges
rect.DeflateRect( CSize(GetSystemMetrics(SM_CXEDGE), GetSystemMetrics(SM_CYEDGE)));
// Fill the interior color if necessary
if (m_bOverControl)
{
strText = "Yippee! Click Me Now!";
pDC->FillSolidRect(rect, RGB(234, 230, 221)); // off-white
}
else
{
strText = "Cool Subclassed Button";
// pDC->FillSolidRect(rect, RGB(255, 255, 0)); //yellow
}
// Draw the text
if (!strText.IsEmpty())
{
CSize Extent = pDC->GetTextExtent(strText);
CPoint pt( rect.CenterPoint().x - Extent.cx/2,
rect.CenterPoint().y - Extent.cy/2 );
if (state & ODS_SELECTED)
pt.Offset(1,1);
int nMode = pDC->SetBkMode(TRANSPARENT);
if (state & ODS_DISABLED)
pDC->DrawState(pt, Extent, strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL);
else
pDC->TextOut(pt.x, pt.y, strText);
pDC->SetBkMode(nMode);
}
}
void CNewButton::PreSubclassWindow()
{
CButton::PreSubclassWindow();
ModifyStyle(0, BS_OWNERDRAW); // make the button owner drawn
}
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