bullctl.cpp

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// BullCtl.cpp : Implementation of the CBullCtrl OLE control class.

#include "stdafx.h"
#include "bull.h"
#include "BullCtl.h"
#include "BullPpg.h"


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


IMPLEMENT_DYNCREATE(CBullCtrl, COleControl)


/////////////////////////////////////////////////////////////////////////////
// Message map

BEGIN_MESSAGE_MAP(CBullCtrl, COleControl)
	//{{AFX_MSG_MAP(CBullCtrl)
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
	ON_OLEVERB(AFX_IDS_VERB_PROPERTIES, OnProperties)
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// Dispatch map

BEGIN_DISPATCH_MAP(CBullCtrl, COleControl)
	//{{AFX_DISPATCH_MAP(CBullCtrl)
	DISP_PROPERTY_NOTIFY(CBullCtrl, "Step", m_step, OnStepChanged, VT_I2)
	DISP_STOCKPROP_FORECOLOR()
	DISP_STOCKPROP_BACKCOLOR()
	//}}AFX_DISPATCH_MAP
	DISP_FUNCTION_ID(CBullCtrl, "AboutBox", DISPID_ABOUTBOX, AboutBox, VT_EMPTY, VTS_NONE)
END_DISPATCH_MAP()


/////////////////////////////////////////////////////////////////////////////
// Event map

BEGIN_EVENT_MAP(CBullCtrl, COleControl)
	//{{AFX_EVENT_MAP(CBullCtrl)
	EVENT_STOCK_CLICK()
	//}}AFX_EVENT_MAP
END_EVENT_MAP()


/////////////////////////////////////////////////////////////////////////////
// Property pages

// TODO: Add more property pages as needed.  Remember to increase the count!
BEGIN_PROPPAGEIDS(CBullCtrl, 2)
	PROPPAGEID(CBullPropPage::guid)
    PROPPAGEID(CLSID_CColorPropPage)
END_PROPPAGEIDS(CBullCtrl)


/////////////////////////////////////////////////////////////////////////////
// Initialize class factory and guid

IMPLEMENT_OLECREATE_EX(CBullCtrl, "BULL.BullCtrl.1",
	0x59e8a903, 0xe0c6, 0x11cf, 0xa7, 0xb2, 0x44, 0x45, 0x53, 0x54, 0, 0)


/////////////////////////////////////////////////////////////////////////////
// Type library ID and version

IMPLEMENT_OLETYPELIB(CBullCtrl, _tlid, _wVerMajor, _wVerMinor)


/////////////////////////////////////////////////////////////////////////////
// Interface IDs

const IID BASED_CODE IID_DBull =
		{ 0x59e8a901, 0xe0c6, 0x11cf, { 0xa7, 0xb2, 0x44, 0x45, 0x53, 0x54, 0, 0 } };
const IID BASED_CODE IID_DBullEvents =
		{ 0x59e8a902, 0xe0c6, 0x11cf, { 0xa7, 0xb2, 0x44, 0x45, 0x53, 0x54, 0, 0 } };


/////////////////////////////////////////////////////////////////////////////
// Control type information

static const DWORD BASED_CODE _dwBullOleMisc =
	OLEMISC_ACTIVATEWHENVISIBLE |
	OLEMISC_SETCLIENTSITEFIRST |
	OLEMISC_INSIDEOUT |
	OLEMISC_CANTLINKINSIDE |
	OLEMISC_RECOMPOSEONRESIZE;

IMPLEMENT_OLECTLTYPE(CBullCtrl, IDS_BULL, _dwBullOleMisc)


/////////////////////////////////////////////////////////////////////////////
// CBullCtrl::CBullCtrlFactory::UpdateRegistry -
// Adds or removes system registry entries for CBullCtrl

BOOL CBullCtrl::CBullCtrlFactory::UpdateRegistry(BOOL bRegister)
{
	// TODO: Verify that your control follows apartment-model threading rules.
	// Refer to MFC TechNote 64 for more information.
	// If your control does not conform to the apartment-model rules, then
	// you must modify the code below, changing the 6th parameter from
	// afxRegApartmentThreading to 0.

	if (bRegister)
		return AfxOleRegisterControlClass(
			AfxGetInstanceHandle(),
			m_clsid,
			m_lpszProgID,
			IDS_BULL,
			IDB_BULL,
			afxRegApartmentThreading,
			_dwBullOleMisc,
			_tlid,
			_wVerMajor,
			_wVerMinor);
	else
		return AfxOleUnregisterClass(m_clsid, m_lpszProgID);
}


/////////////////////////////////////////////////////////////////////////////
// CBullCtrl::CBullCtrl - Constructor

CBullCtrl::CBullCtrl()
{
	InitializeIIDs(&IID_DBull, &IID_DBullEvents);

	// TODO: Initialize your control's instance data here.
}


/////////////////////////////////////////////////////////////////////////////
// CBullCtrl::~CBullCtrl - Destructor

CBullCtrl::~CBullCtrl()
{
	// TODO: Cleanup your control's instance data here.
}


/////////////////////////////////////////////////////////////////////////////
// CBullCtrl::OnDraw - Drawing function

void CBullCtrl::OnDraw(
			CDC* pdc, const CRect& rcBounds, const CRect& rcInvalid)
{
	COLORREF fore=TranslateColor(GetForeColor());
	COLORREF back=TranslateColor(GetBackColor());
	COLORREF backgrnd=TranslateColor(AmbientBackColor());
	CBrush br1(fore);
	CBrush br2(back);
	CBrush *old;
	CRect r=rcBounds;
	int step=min(r.Width(),r.Height())/m_step;
	pdc->SetBkColor(backgrnd);
	pdc->ExtTextOut(0,0,ETO_OPAQUE,&r,"",NULL);
    old=pdc->SelectObject(&br1);
	pdc->Ellipse(&r);
	pdc->SelectObject(&br2);
	r.InflateRect(-step,-step);
	pdc->Ellipse(&r);
	pdc->SelectObject(&br1);
	r.InflateRect(-step,-step);
	pdc->Ellipse(&r);
	pdc->SelectObject(old);
}


/////////////////////////////////////////////////////////////////////////////
// CBullCtrl::DoPropExchange - Persistence support

void CBullCtrl::DoPropExchange(CPropExchange* pPX)
{
	ExchangeVersion(pPX, MAKELONG(_wVerMinor, _wVerMajor));
	COleControl::DoPropExchange(pPX);

	PX_Short(pPX,"Step",m_step,8);

}


/////////////////////////////////////////////////////////////////////////////
// CBullCtrl::OnResetState - Reset control to default state

void CBullCtrl::OnResetState()
{
	COleControl::OnResetState();  // Resets defaults found in DoPropExchange

	// TODO: Reset any other control state here.
}


/////////////////////////////////////////////////////////////////////////////
// CBullCtrl::AboutBox - Display an "About" box to the user

void CBullCtrl::AboutBox()
{
	CDialog dlgAbout(IDD_ABOUTBOX_BULL);
	dlgAbout.DoModal();
}


/////////////////////////////////////////////////////////////////////////////
// CBullCtrl message handlers

void CBullCtrl::OnStepChanged() 
{
	InvalidateRect(NULL);
	SetModifiedFlag();
}

void CBullCtrl::OnLButtonDown(UINT nFlags, CPoint point) 
{
	FireClick();
	// actually, base class fires this event for you...
	//COleControl::OnLButtonDown(nFlags, point);
}