advcombobox.cpp

主要是配合avr单片机的一个测试程序,里面有串口通讯,和listiew潜入控件

				hr = g_xpStyle.GetThemeColor( hTheme, WP_DIALOG, 0, TMT_FILLCOLOR, &clrDisabledFill );
				if( FAILED( hr ) )
				{
					clrDisabledFill = RGB(255,0,0);
				}
				CPen penDisBorder( PS_SOLID, 0, clrDisabledLightBorder );
				CBrush brFill( clrDisabledBkg );//clrDisabledFill );
				CRect rcl = rect;
				rcl.DeflateRect(1,1);
				rcl.right = m_rcDropButton.left;
				CBrush *oldBr = dc.SelectObject( &brFill );
				dc.SelectObject( &penDisBorder );
				dc.Rectangle( &rcl );
				dc.SelectObject( oldBr );
			}

			dc.SelectObject( &oldBorderPen );
			// Button
			hr = g_xpStyle.DrawThemeBackground( hTheme, dc.m_hDC, CP_DROPDOWNBUTTON, nDropBtnThemeStyle, &m_rcDropButton, NULL);
		}
		else
		{
			COLORREF clrTopLeft = ::GetSysColor(COLOR_3DSHADOW);
			COLORREF clrBottomRight = ::GetSysColor(COLOR_3DHILIGHT);
			dc.Draw3dRect( &rect, clrTopLeft, clrBottomRight );
			clrTopLeft = ::GetSysColor(COLOR_3DDKSHADOW);
			clrBottomRight = ::GetSysColor(COLOR_3DLIGHT);
			rect.DeflateRect(1,1);
			dc.Draw3dRect( &rect, clrTopLeft, clrBottomRight );
			m_rcDropButton.DeflateRect(0,2,0,2);
			m_rcDropButton.left -= 2;
			m_rcDropButton.right -= 2;
			// Button
			dc.DrawFrameControl(m_rcDropButton, DFC_SCROLL, dwBtnStyle );
		}

		//
		// Adjust rects
		rcText.DeflateRect(4,3,2,3);
	}

	if( bThemeActive )
		hr = g_xpStyle.CloseThemeData( hTheme );



	if( (GetStyle() & CBS_DROPDOWN) && (GetStyle() & CBS_SIMPLE) )  // == CBS_DROPDOWNLIST
	{
		//
		// Draw Text as selected
		COLORREF clrBackground;
		COLORREF clrOldBkColor;
		COLORREF clrOldTextColor;
		clrBackground = ::GetSysColor(COLOR_HIGHLIGHT);
		clrOldBkColor = dc.SetBkColor( clrBackground );
	//	clrOldTextColor = dc.SetTextColor( ::GetSysColor(COLOR_HIGHLIGHTTEXT) );
		int nOldBkMode = dc.SetBkMode( TRANSPARENT );
		CFont* pOldFont = dc.SelectObject( m_pFont );
		rcText.top -= 2;
		rcText.bottom += 2;
		rcText.left -= 2;
		rcText.right += 1;

		if( m_bHasFocus && !m_bDropListVisible )
		{
			dc.FillSolidRect( rcText, bWndEnabled ? clrBackground : clrDisabledBkg );
			clrOldTextColor = dc.SetTextColor( 
				bWndEnabled ? ::GetSysColor(COLOR_HIGHLIGHTTEXT) : clrDisabledText );
			dc.DrawText( m_strEdit.c_str(), &rcText, DT_SINGLELINE|DT_VCENTER);
		}
		else
		{
			//+++dc.FillSolidRect( rcText, 
			//+++	bWndEnabled ? ::GetSysColor(COLOR_HIGHLIGHTTEXT) : clrDisabledBkg );
			dc.FillSolidRect( rcText, 
				bWndEnabled ? ::GetSysColor(COLOR_WINDOW) : clrDisabledBkg );
			clrOldTextColor = dc.SetTextColor( 
				bWndEnabled ? ::GetSysColor(COLOR_BTNTEXT) : clrDisabledText );
			dc.DrawText( m_strEdit.c_str(), &rcText, DT_SINGLELINE|DT_VCENTER);
		}

		dc.SelectObject( pOldFont );
		dc.SetBkMode( nOldBkMode );
	}
	else
	{
		if( m_pEdit )
		{
			m_pEdit->SetFont( m_pFont );
		}
	}
	// Do not call CWnd::OnPaint() for painting messages
}

BOOL CAdvComboBox::OnEraseBkgnd(CDC* pDC) 
{
	return CWnd::OnEraseBkgnd(pDC);
//	return TRUE;	
}


int CAdvComboBox::SetItemHeight(int nIndex, int nHeight)
{
	if( nIndex == -1 )
	{
		if( nHeight < 10 || nHeight > 50 )
		{
			return CB_ERR;
		}
		else
		{
			//
			// Button rect
			GetClientRect(m_rcDropButton);
			m_rcDropButton.left = m_rcDropButton.right - ::GetSystemMetrics(SM_CXHSCROLL);

			return 0;
		}
	}
	return CB_ERR;
}

void CAdvComboBox::OnLButtonDown(UINT nFlags, CPoint point) 
{
	if( GetFocus() != this )
	{
		SetFocus();
	}

	//
	// Is mouse over drop button?
	if( (GetStyle() & CBS_DROPDOWN) && !(GetStyle() & CBS_SIMPLE) )	// == CBS_DROPDOWN
	{
		if( m_rcDropButton.PtInRect( point ) )
		{
			SendMessage( WM_ON_DROPDOWN_BUTTON );
			InvalidateRect( m_rcDropButton );
			Invalidate();
		}
	}
	else
	if( (GetStyle() & CBS_DROPDOWN) && (GetStyle() & CBS_SIMPLE) )	// == CBS_DROPDOWNLIST
	{
		CRect rc = m_rcCombo;
		GetClientRect( &rc );
		if( rc.PtInRect( point ) )
		{
			SendMessage( WM_ON_DROPDOWN_BUTTON );
			Invalidate();
		}
	}
	CWnd::OnLButtonDown(nFlags, point);
}

LONG CAdvComboBox::OnSelectedItem( WPARAM wParam, LPARAM /*lParam*/ )
{
	list<LIST_ITEM> itemlist;
	list<LIST_ITEM>::iterator itemiter;

	int nPos = (int)wParam;
	itemlist = m_pDropWnd->GetList();
	itemiter = itemlist.begin();
	advance( itemiter, nPos );
	m_strEdit = itemiter->strText;

	m_nCurSel = FindStringExact( 0, m_strEdit.c_str() );

	SetWindowText( m_strEdit.c_str() );
	if( (GetStyle() & CBS_DROPDOWN) && !(GetStyle() & CBS_SIMPLE) )	// == CBS_DROPDOWN
	{
		if( m_pEdit )
		{
			m_pEdit->SetWindowText( m_strEdit.c_str() );
			m_pEdit->SetFocus();
			m_pEdit->SetSel( 0, -1, TRUE );
		}
	}
	// Send message to parent(dialog)
	m_bSelItem = true;
	int nId = GetDlgCtrlID();
	m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_SELENDOK), (LPARAM)m_hWnd );

	Invalidate();
	OnDestroyDropdownList(0,0);

	//
	// See to it that the drop button is redrawn
	InvalidateRect( m_rcDropButton );

	m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_SELCHANGE), (LPARAM)m_hWnd );

	return TRUE;
}

LONG CAdvComboBox::OnDropdownButton( WPARAM /*wParam*/, LPARAM /*lParam*/ )
{
//	XLISTCTRL_TRACE(_T("in CAdvComboBox::OnDropdownButton\n"));
	//
	//
	if( !m_bDropListVisible )
	{
		//
		// Button is pressed
		//
		// Create list
		if( !m_pDropWnd )
		{
			CreateDropList( m_list );
		}
		m_pDropWnd->ShowWindow( SW_SHOW );
		m_bDropListVisible = TRUE;
	}
	else
	{
		OnDestroyDropdownList(0,0);
	}

	// Return TRUE if OK to go back, else return FALSE.
	return TRUE;
}

LONG CAdvComboBox::OnDestroyDropdownList( WPARAM /*wParam*/, LPARAM /*lParam*/ )
{
//	XLISTCTRL_TRACE(_T("in CAdvComboBox::OnDestroyDropdownList\n"));
	//
	// 
	if( m_pDropWnd )
	{
		m_pDropWnd->GetWindowRect( &m_rcDropWnd );
		m_bDropRectStored = true;
		m_pDropWnd->ShowWindow( SW_HIDE );
		m_bDropListVisible = FALSE;
		m_pDropWnd->DestroyWindow();
		delete m_pDropWnd;
		m_pDropWnd = NULL;

		InvalidateRect( &m_rcDropButton );
		int nId = GetDlgCtrlID();
		if( !m_bSelItem )
		{
			m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_SELENDCANCEL), 
				(LPARAM)m_hWnd );
		}
		else
		{
			m_bSelItem = false;
		}
		m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_CLOSEUP), (LPARAM)m_hWnd );
	}
	else
	{
		OnComboComplete();
	}

	return TRUE;
}

void CAdvComboBox::CreateDropList( list<LIST_ITEM> &droplist)
{
//	XLISTCTRL_TRACE(_T("in CAdvComboBox::CreateDropList\n"));
	CRect rc;
	if( m_pDropWnd )
		ASSERT(0);
	m_pDropWnd = new CDropWnd( this, droplist, m_dwACBStyle );
	GetWindowRect( &rc );
	rc.top = rc.bottom ;

	//
	// Get screen size
	CRect rcWorkArea;
	SystemParametersInfo( SPI_GETWORKAREA, 0, (LPRECT)rcWorkArea, 0) ;
	if( rc.bottom >= rcWorkArea.bottom )
	{
		rc.bottom = rcWorkArea.bottom;
	}
	else
	{
	}

	int nStyle = WS_CHILD|/*WS_BORDER|*/LBS_DISABLENOSCROLL|LBS_NOTIFY;
	m_pDropWnd->Create( 0, 0, nStyle , rc, 1 ? GetDesktopWindow() : this, 6 );

	//+++
	if (m_nCurSel > ((int)droplist.size() - 1))
		m_nCurSel = 0;

	m_pDropWnd->GetListBoxPtr()->SetCurSel( m_nCurSel );

	m_pDropWnd->SetFont( m_pFont );

	// Send message to parent(dialog)
	int nId = GetDlgCtrlID();
	m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_DROPDOWN), (LPARAM)m_hWnd );

}

int CAdvComboBox::GetLBText(int nIndex, LPTSTR lpszText)
{
	m_iter = m_list.begin();
	advance( m_iter, nIndex );
	if( m_iter == m_list.end() || nIndex > (int)m_list.size() )
	{
		return CB_ERR;
	}

	_tcscpy( lpszText, m_iter->strText.c_str() );
	return m_iter->strText.length()+1;
}

void CAdvComboBox::GetLBText(int nIndex, CString &rString)
{
	m_iter = m_list.begin();
	advance( m_iter, nIndex );
	if( m_iter == m_list.end() || nIndex > (int)m_list.size() )
	{
		rString = "";
		return;
	}
	rString = m_iter->strText.c_str();
}

int CAdvComboBox::GetLBTextLen(int nIndex )
{
	m_iter = m_list.begin();
	advance( m_iter, nIndex );
	if( m_iter == m_list.end() || nIndex > (int)m_list.size() )
	{
		return CB_ERR;
	}

	return m_iter->strText.length()+1;
}

int CAdvComboBox::AddString(LPCTSTR lpszString)	//+++
{
	LIST_ITEM item;
	item.strText = lpszString;
	item.bChecked = false;
	item.bDisabled = false;
	item.vpItemData = NULL;
	m_list.push_back( item );

	// this takes too long -
	// sorting is handled in CXListCtrl::SetComboBox()

	//if( GetStyle() & CBS_SORT )
	//{
	//	m_list.sort();
	// Find new item
	//	return FindString( -1, item.strText.c_str() );
	//}
	//else
		return m_list.size()-1;
}

int CAdvComboBox::GetText(LPTSTR lpszText)
{
	if( m_pEdit )
	{	
		CString str;
		m_pEdit->GetWindowText( str );
		_tcscpy( lpszText, (LPCTSTR)str );
		return str.GetLength();
	}
	else
	{
		_tcscpy( lpszText, m_strEdit.c_str() );
		return m_strEdit.length();
	}
}

void CAdvComboBox::GetText(CString &rString)
{
	if( m_pEdit )
	{	
		m_pEdit->GetWindowText( rString );
	}
	else
	{
		rString = m_strEdit.c_str();
	}
}

void CAdvComboBox::SetText(LPCTSTR lpszText)
{
	if( m_pEdit )
	{	
		m_pEdit->SetWindowText( lpszText );
	}
	m_strEdit = lpszText;
}

BOOL CAdvComboBox::PointInWindow(CPoint ptScreenPoint)
{
	CRect rc;
	GetWindowRect( &rc );
	return rc.PtInRect( ptScreenPoint );
}

BOOL CAdvComboBox::OnMouseWheel(UINT /*nFlags*/, short zDelta, CPoint /*pt*/) 
{
	// TODO: Add your message handler code here and/or call default
	if( !m_bDropListVisible )
	{
		string str;
		//
		// Select another string from the map
		m_zDelta += zDelta;
		if( m_zDelta >= WHEEL_DELTA )
		{
			//
			// Select item upwards
			m_zDelta = 0;
			SelPrevItem();
		}
		else
		if( m_zDelta <= -WHEEL_DELTA )
		{
			//
			// Select item downwards
			m_zDelta = 0;
			SelNextItem();
		}
	}
	else
	{
		//
		// Handle mousewheel for the droplist here
		//
		// Select another string from the map
		m_zDelta += zDelta;
		if( m_zDelta >= WHEEL_DELTA )
		{
			//
			// Scroll list upwards
			m_zDelta = 0;
			int nTop = m_pDropWnd->GetListBoxPtr()->GetTopIndex();
			nTop -= 3;
			nTop = nTop < 0 ? 0 : nTop;
			m_pDropWnd->GetListBoxPtr()->SetTopIdx( nTop, TRUE );
		}
		else
		if( m_zDelta <= -WHEEL_DELTA )
		{
			//
			// Scroll list downwards
			m_zDelta = 0;
			int nTop = m_pDropWnd->GetListBoxPtr()->GetTopIndex();
			nTop += 3;
			nTop = nTop > m_pDropWnd->GetListBoxPtr()->GetCount() ? 
						m_pDropWnd->GetListBoxPtr()->GetCount() : nTop;
			m_pDropWnd->GetListBoxPtr()->SetTopIdx( nTop, TRUE );
		}
	}
	return TRUE;
//	return CWnd::OnMouseWheel(nFlags, zDelta, pt);
}

void CAdvComboBox::OnSize(UINT nType, int cx, int cy) 
{
	CWnd::OnSize(nType, cx, cy);
	
	//
	// Move Dropdown?
}


void CAdvComboBox::OnSetFocus(CWnd* pOldWnd) 
{
	CWnd::OnSetFocus(pOldWnd);
	
	// TODO: Add your message handler code here
	m_bHasFocus = true;
	Invalidate();
	//
	// Set focus to the edit control? (CBS_DROPDOWN)
	if( (GetStyle() & CBS_DROPDOWN) && !(GetStyle() & CBS_SIMPLE) )	// == CBS_DROPDOWN
	{
		if( m_pEdit )
		{
			m_pEdit->SetFocus();
		}
	}
	BOOL bDropdownList = (GetStyle() & CBS_DROPDOWN) && (GetStyle() & CBS_SIMPLE);
	if( bDropdownList )
	{
		// Send message to parent(dialog)
		int nId = GetDlgCtrlID();
		m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_SETFOCUS), (LPARAM)m_hWnd );
	}
}

void CAdvComboBox::OnSetfocusEdit() 
{
	m_bHasFocus = false;

	//CWnd* pWnd = GetFocus();

	//+++
	if (m_pEdit)
	{
		m_pEdit->PostMessage(EM_SETSEL, 0, -1);
	}

	if( !m_bHasSentFocus )
	{
		// Send message to parent(dialog)
		int nId = GetDlgCtrlID();
		m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_SETFOCUS), (LPARAM)m_hWnd );
		m_bHasSentFocus = true;
	}
}

void CAdvComboBox::OnKillFocus(CWnd* pNewWnd) 
{
//	XLISTCTRL_TRACE(_T("in CAdvComboBox::OnKillFocus\n"));
	CWnd::OnKillFocus(pNewWnd);

	OnEscapeKey();

	//+++
#if 0  // -----------------------------------------------------------
	// Needed for keydown's like 'Alt-C'("&Cancel" button)
	if( m_pDropWnd ) 
	{
		OnDestroyDropdownList(0,0);
	//}
	m_bHasFocus = false;
	Invalidate();

	BOOL bDropdownList = (GetStyle() & CBS_DROPDOWN) && (GetStyle() & CBS_SIMPLE);
	if( bDropdownList && !m_pDropWnd )
	{
		// Send message to parent(dialog)
		int nId = GetDlgCtrlID();
		m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_SELENDCANCEL), (LPARAM)m_hWnd );
		m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_KILLFOCUS), (LPARAM)m_hWnd );
	}
	}
	else
	{
		OnEscapeKey();
	}
#endif // -----------------------------------------------------------
}

void CAdvComboBox::OnKillfocusEdit() 
{
	m_bHasFocus = false;
	Invalidate();

	CWnd* pWnd = GetFocus();
	if( !m_pDropWnd && pWnd != this )
	{
		// Send message to parent(dialog)
		int nId = GetDlgCtrlID();
		m_pParent->SendMessage( WM_COMMAND, MAKEWPARAM(nId,CBN_SELENDCANCEL), (LPARAM)m_hWnd );