cebtnst.cpp

irda communication on PPC. 和IrdaMobilePCSrc.zip一起使用。

#include "stdafx.h"
#include "CeBtnST.h"

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

// Mask for control's type
#define BS_TYPEMASK 0x0000001FL		//SS_TYPEMASK
#ifndef WM_MOUSELEAVE
#define WM_MOUSELEAVE                   0x02A3
#endif

#ifndef	DestroyCursor
#define	DestroyCursor	DestroyIcon
#endif

CCeButtonST::CCeButtonST()
{
	m_bIsPressed		= FALSE;
	m_bIsFocused		= FALSE;
	m_bIsDisabled		= FALSE;
	m_bMouseOnButton	= FALSE;

	FreeResources(FALSE);

	// Default type is "flat" button
	m_bIsFlat = TRUE; 
	// Button will be tracked also if when the window is inactive (like Internet Explorer)
	m_bAlwaysTrack = TRUE;

	// By default draw border in "flat" button 
	m_bDrawBorder = TRUE; 

	// By default icon is aligned horizontally
	m_byAlign = ST_ALIGN_HORIZ; 
  
	// By default, for "flat" button, don't draw the focus rect
	m_bDrawFlatFocus = FALSE;

	// By default the button is not the default button
	m_bIsDefault = FALSE;
	// Invalid value, since type still unknown
	m_nTypeStyle = BS_TYPEMASK;

	// By default the button is not a checkbox
	m_bIsCheckBox = FALSE;
	m_nCheck = 0;

	// Set default colors
	SetDefaultColors(FALSE);

	// No URL defined
	SetURL(NULL);

	// No cursor defined
	m_hCursor = NULL;
	m_hOldCursor = NULL;

	// No timer defined
	m_nTimerId = 0;

	// No associated menu
	m_hMenu = NULL;
	m_hParentWndMenu = NULL;
	m_bMenuDisplayed = FALSE;
}

CCeButtonST::~CCeButtonST()
{
	FreeResources();

	// Restore old cursor (if any)
	if (m_hOldCursor)	::SetCursor(m_hOldCursor);
	// Destroy the cursor (if any)
	if (m_hCursor)	::DestroyCursor(m_hCursor);
	// Destroy the menu (if any)
	if (m_hMenu)	::DestroyMenu(m_hMenu);
}

BEGIN_MESSAGE_MAP(CCeButtonST, CButton)
	//{{AFX_MSG_MAP(CCeButtonST)
	ON_WM_MOUSEMOVE()
	ON_CONTROL_REFLECT_EX(BN_CLICKED, OnClicked)
	ON_WM_ENABLE()
	ON_WM_GETDLGCODE()
	ON_WM_CTLCOLOR()
	ON_WM_DESTROY()
	ON_WM_KILLFOCUS()
	ON_WM_ACTIVATE()
	ON_WM_CANCELMODE()
	ON_WM_DRAWITEM()
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
	//ON_WM_CAPTURECHANGED()
	ON_WM_SETCURSOR()
	ON_MESSAGE(BM_SETSTYLE, OnSetStyle)
	ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
END_MESSAGE_MAP()

void CCeButtonST::FreeResources(BOOL bCheckForNULL)
{
	if (bCheckForNULL)
	{
		// Destroy icons
		// Note: the following lines MUST be here! even if
		// BoundChecker says they are unnecessary!
		if (m_csIcons[0].hIcon)	::DestroyIcon(m_csIcons[0].hIcon);
		if (m_csIcons[1].hIcon)	::DestroyIcon(m_csIcons[1].hIcon);
		if (m_csIcons[2].hIcon)	::DestroyIcon(m_csIcons[2].hIcon);
	} // if

	memset(&m_csIcons, 0, sizeof(m_csIcons));
} // End of FreeResources

void CCeButtonST::PreSubclassWindow() 
{
	UINT nBS;

	nBS = GetButtonStyle();

	// Set initial control type
	m_nTypeStyle = nBS & BS_TYPEMASK;

	// Check if this is a checkbox
	if (nBS & BS_CHECKBOX) m_bIsCheckBox = TRUE;

	// Set initial default state flag
	if (m_nTypeStyle == BS_DEFPUSHBUTTON)
	{
		// Set default state for a default button
		m_bIsDefault = TRUE;

		// Adjust style for default button
		m_nTypeStyle = BS_PUSHBUTTON;
	} // If

	// You should not set the Owner Draw before this call
	// (don't use the resource editor "Owner Draw" or
	// ModifyStyle(0, BS_OWNERDRAW) before calling PreSubclassWindow() )
	ASSERT(m_nTypeStyle != BS_OWNERDRAW);

	// Switch to owner-draw
	ModifyStyle(BS_TYPEMASK, BS_OWNERDRAW, SWP_FRAMECHANGED);

	CButton::PreSubclassWindow();
} // End of PreSubclassWindow

void CCeButtonST::OnDestroy() 
{
	// Kill timer
	if (m_nTimerId)	KillTimer(m_nTimerId);
	m_nTimerId = 0;

	CButton::OnDestroy();
} // End of OnDestroy

UINT CCeButtonST::OnGetDlgCode() 
{
	UINT nCode = CButton::OnGetDlgCode();

	// tell the system if we want default state handling
	// (losing default state always allowed)
	nCode |= (m_bIsDefault ? DLGC_DEFPUSHBUTTON : DLGC_UNDEFPUSHBUTTON);

	return nCode;
} // End of OnGetDlgCode

LRESULT CCeButtonST::DefWindowProc(UINT message, WPARAM wParam, LPARAM lParam) 
{
	if (message == WM_LBUTTONDBLCLK)
	{
		message = WM_LBUTTONDOWN;
	} // if
	return CButton::DefWindowProc(message, wParam, lParam);
} // End of DefWindowProc

HBRUSH CCeButtonST::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	return (HBRUSH)::GetStockObject(NULL_BRUSH); 
} // End of CtlColor

LRESULT CCeButtonST::OnSetStyle(WPARAM wParam, LPARAM lParam)
{
	UINT nNewType = (wParam & BS_TYPEMASK);

	// Update default state flag
	if (nNewType == BS_DEFPUSHBUTTON)
	{
		m_bIsDefault = TRUE;
	} // if
	else if (nNewType == BS_PUSHBUTTON)
	{
		// Losing default state always allowed
		m_bIsDefault = FALSE;
	} // if

	// Can't change control type after owner-draw is set.
	// Let the system process changes to other style bits
	// and redrawing, while keeping owner-draw style
	return DefWindowProc(BM_SETSTYLE,
		(wParam & ~BS_TYPEMASK) | BS_OWNERDRAW, lParam);
} // End of OnSetStyle

void CCeButtonST::OnEnable(BOOL bEnable) 
{
	CButton::OnEnable(bEnable);
	
	if (bEnable == FALSE)	
	{
		CWnd*	pWnd = GetParent()->GetNextDlgTabItem(this);
		if (pWnd)
			pWnd->SetFocus();
		else
			GetParent()->SetFocus();

		CancelHover();
	} // if
} // End of OnEnable
  
void CCeButtonST::OnKillFocus(CWnd* pNewWnd) 
{
	CButton::OnKillFocus(pNewWnd);
	CancelHover();
} // End of OnKillFocus

void CCeButtonST::OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimized) 
{
	CButton::OnActivate(nState, pWndOther, bMinimized);
	if (nState == WA_INACTIVE)	CancelHover();
} // End of OnActivate

void CCeButtonST::OnCancelMode() 
{
	CButton::OnCancelMode();
	CancelHover();
} // End of OnCancelMode

void CCeButtonST::OnLButtonDown(UINT nFlags, CPoint point) 
{
	SetState(TRUE);
#if defined(_WIN32_WCE_PSPC) && (_WIN32_WCE >= 300)
	SHRecognizeGesture(point);
#endif // _WIN32_WCE_PSPC
	Default();
	
	//CButton::OnLButtonDown(nFlags, point);
} // End of OnLButtonDown

void CCeButtonST::CancelHover()
{
	// Only for flat buttons
	if (m_bIsFlat)
	{
		// Kill timer (if active)
		if (m_nTimerId)	KillTimer(m_nTimerId);
		m_nTimerId = 0;

		if (m_bMouseOnButton)
		{
			// Restore old cursor (if any)
			if (m_hOldCursor)
			{
				::SetCursor(m_hOldCursor);
				m_hOldCursor = NULL;
			} // if

			m_bMouseOnButton = FALSE;
			Invalidate();
		} // if
	} // if
} // End of CancelHover

void CCeButtonST::OnMouseMove(UINT nFlags, CPoint point) 
{
	CWnd*				wndUnderMouse = NULL;
	CWnd*				wndActive = this;

	CButton::OnMouseMove(nFlags, point);

	ClientToScreen(&point);
	wndUnderMouse = WindowFromPoint(point);

	// If the mouse enter the button with the left button pressed then do nothing
	if (nFlags & MK_LBUTTON && m_bMouseOnButton == FALSE) return;

	// If our button is not flat then do nothing
	if (m_bIsFlat == FALSE) return;

	if (m_bAlwaysTrack == FALSE)	wndActive = GetActiveWindow();

	if (wndUnderMouse && wndUnderMouse->m_hWnd == m_hWnd && wndActive)
	{
		if (!m_bMouseOnButton)
		{
			m_bMouseOnButton = TRUE;

			Invalidate();

			ASSERT(m_nTimerId == 0);
			m_nTimerId = SetTimer(1, 50, TimerProc);
		} // if
	} //else CancelHover();
} // End of OnMouseMove

// Handler for WM_MOUSELEAVE
LRESULT CCeButtonST::OnMouseLeave(WPARAM wParam, LPARAM lParam)
{
	CancelHover();
	return 0;
} // End of OnMouseLeave

BOOL CCeButtonST::OnClicked() 
{
	if (m_bIsCheckBox)
	{
		m_nCheck = !m_nCheck;
		Invalidate();
	} // if
	else
	{
		// Handle the menu (if any)
		if (m_hMenu)
		{
			HMENU	hSubMenu = NULL;
			CRect	rWnd;

			hSubMenu = ::GetSubMenu(m_hMenu, 0);

			GetWindowRect(rWnd);

			m_bMenuDisplayed = TRUE;
			Invalidate();

			::TrackPopupMenuEx(	hSubMenu, 
#ifdef UNDER_CE
								TPM_LEFTALIGN,
#else
								TPM_LEFTALIGN, | TPM_LEFTBUTTON,
#endif
								rWnd.left, rWnd.bottom, m_hParentWndMenu, NULL);

			m_bMenuDisplayed = FALSE;
			Invalidate();
		} // if
		else
		{
			// Handle the URL (if any)
			if (_tcslen(m_szURL) > 0)
			{
				SHELLEXECUTEINFO	csSEI;

				memset(&csSEI, 0, sizeof(csSEI));
				csSEI.cbSize = sizeof(SHELLEXECUTEINFO);
				csSEI.fMask = SEE_MASK_FLAG_NO_UI;
				csSEI.lpVerb = _T("open");
				csSEI.lpFile = m_szURL;
				csSEI.nShow = SW_SHOWMAXIMIZED;
				::ShellExecuteEx(&csSEI);
			} // if
		} // else
	} // else

	return FALSE;
} // End of OnClicked
  
void CCeButtonST::DrawItem(LPDRAWITEMSTRUCT lpDIS)
{
	CDC*	pDC = CDC::FromHandle(lpDIS->hDC);

	// Checkbox?
	if (m_bIsCheckBox)
	{
		m_bIsPressed  =  (lpDIS->itemState & ODS_SELECTED) || (m_nCheck != 0);
	} // if
	else	// Normal button OR other button style ...
	{
		m_bIsPressed = (lpDIS->itemState & ODS_SELECTED);

		// If there is a menu and it's displayed, draw the button as pressed
		if (m_hMenu && m_bMenuDisplayed)	m_bIsPressed = TRUE;
	} // else

	m_bIsFocused  = (lpDIS->itemState & ODS_FOCUS);
	m_bIsDisabled = (lpDIS->itemState & ODS_DISABLED);

	CRect itemRect = lpDIS->rcItem;

	pDC->SetBkMode(TRANSPARENT);