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

/////////////////////////////////////////////////////////////////////////////
// AdvComboBox.cpp : implementation file
// 
// CAdvComboBox Control
// Version: 2.1
// Date: September 2002
// Author: Mathias Tunared
// Email: [e-mail]
// Copyright (c) 2002. All Rights Reserved.
//
// This code, in compiled form or as source code, may be redistributed 
// unmodified PROVIDING it is not sold for profit without the authors 
// written consent, and providing that this notice and the authors name 
// and all copyright notices remains intact.
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability for any damage/loss of business that
// this product may cause.
//
/////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "AdvComboBox.h"
#include "VisualStylesXP.h"

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

#define IDC_COMBOEDIT 108


/////////////////////////////////////////////////////////////////////////////
// CAdvComboBox
IMPLEMENT_DYNAMIC(CAdvComboBox, CWnd) 

CAdvComboBox::CAdvComboBox( BOOL bInst, CWnd * pParent ) :
	m_pDropWnd(0),
	m_bDropListVisible(0),
	m_bInst( bInst ),
	m_pParent(pParent)
{
	//XLISTCTRL_TRACE(_T("in CAdvComboBox::CAdvComboBox\n"));
	RegisterWindowClass();
	m_pEdit = NULL;
	m_zDelta = 0;
	m_nCurSel = -1;
	m_bDropRectStored= false;
	m_bHasFocus = false;
	m_bHasSentFocus = false;
	m_bSelItem = false;
	m_bFirstPaint = true;
	m_nMinVisItems = 5;
	m_bCodeCreate = false;
	m_bAutoAppend = TRUE;
	m_bDropButtonHot = false;
	m_bTrackMouseLeave = false;
	m_nDefaultDropItems = -1;

	m_dwACBStyle = 0;
	m_dwACBStyle |= ACBS_STANDARD;

	m_pFont = NULL;
}

CAdvComboBox::~CAdvComboBox()
{
//	XLISTCTRL_TRACE(_T("in CAdvComboBox::~CAdvComboBox\n"));

	delete m_pFont;
	if( m_pDropWnd )
	{
		m_pDropWnd->ShowWindow( SW_HIDE );
		m_bDropListVisible = FALSE;
		m_pDropWnd->DestroyWindow();
		delete m_pDropWnd;
		m_pDropWnd = NULL;
	}
	if( m_pEdit )
	{
		m_pEdit->DestroyWindow();
		delete m_pEdit;
	}
}

BEGIN_MESSAGE_MAP(CAdvComboBox, CWnd)
	//{{AFX_MSG_MAP(CAdvComboBox)
	ON_WM_CREATE()
	ON_WM_PAINT()
	ON_WM_ERASEBKGND()
	ON_WM_LBUTTONDOWN()
	ON_WM_MOUSEWHEEL()
	ON_WM_SIZE()
	ON_WM_SETFOCUS()
	ON_WM_KILLFOCUS()
	ON_WM_SHOWWINDOW()
	ON_WM_ENABLE()
	ON_WM_CHILDACTIVATE()
	ON_WM_MOUSEMOVE()
	ON_WM_TIMER()
	ON_WM_CHAR()
	ON_WM_KEYDOWN()
	//ON_WM_ACTIVATEAPP()
	//}}AFX_MSG_MAP
	ON_MESSAGE( WM_SELECTED_ITEM, OnSelectedItem )
	ON_MESSAGE( WM_ON_DROPDOWN_BUTTON, OnDropdownButton )
	ON_MESSAGE( WM_DESTROY_DROPLIST, OnDestroyDropdownList )
	ON_EN_KILLFOCUS(IDC_COMBOEDIT, OnKillfocusEdit)
	ON_EN_SETFOCUS(IDC_COMBOEDIT, OnSetfocusEdit)
	ON_EN_CHANGE(IDC_COMBOEDIT, OnChangeEdit)
	ON_EN_UPDATE(IDC_COMBOEDIT, OnUpdateEdit)

	ON_MESSAGE( CB_ADDSTRING, OnAddString )
	ON_MESSAGE( CB_SETCURSEL, OnSetCurSel )
	ON_MESSAGE( CB_GETCURSEL, OnGetCurSel )
	ON_MESSAGE( CB_SELECTSTRING, OnSelectString )
	ON_MESSAGE( CB_GETCOUNT, OnGetCount )
	ON_MESSAGE( CB_RESETCONTENT, OnResetContent )
	ON_MESSAGE( CB_GETLBTEXT, OnGetLBText )
	ON_MESSAGE( CB_GETLBTEXTLEN, OnGetLBTextLen )
	ON_MESSAGE( CB_GETTOPINDEX, OnGetTopIndex )
	ON_MESSAGE( CB_SETTOPINDEX, OnSetTopIndex )

END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CAdvComboBox message handlers

LONG CAdvComboBox::OnAddString( WPARAM /*wParam*/, LPARAM lString )
{
	TCHAR* pStr = (TCHAR*)lString;
	return AddString( pStr );
}

LONG CAdvComboBox::OnSetCurSel( WPARAM wIndex, LPARAM /*lParam*/ )
{
	int nIndex = (int)wIndex;
	return SetCurSel( nIndex );
}

LONG CAdvComboBox::OnGetCurSel( WPARAM /*wParam*/, LPARAM /*lParam*/ )
{
	return GetCurSel();
}

LONG CAdvComboBox::OnSelectString( WPARAM wItemStart, LPARAM lString )
{
	int nItem = (int)wItemStart;
	TCHAR* pStr = (TCHAR*)lString;
	int nIndex = FindStringExact( nItem, pStr );
	return SetCurSel( nIndex );
}

LONG CAdvComboBox::OnGetCount( WPARAM /*wParam*/, LPARAM /*lParam*/ )
{
	return GetCount();
}

LONG CAdvComboBox::OnResetContent( WPARAM /*wParam*/, LPARAM /*lParam*/ )
{
	m_list.clear();
	m_strEdit = _T("");
	m_nCurSel = -1;
	SetWindowText( _T("") );
	if( m_pEdit )
	{
		m_pEdit->SetWindowText( _T("") );
	}
	Invalidate();
	return CB_OKAY;
}

LONG CAdvComboBox::OnGetLBText( WPARAM wIndex, LPARAM lString )
{
	int nIndex = (int)wIndex;
	TCHAR* pOutStr = (TCHAR*)lString;
	return GetLBText( nIndex, pOutStr );
}


LONG CAdvComboBox::OnGetLBTextLen( WPARAM wIndex, LPARAM /*lParam*/ )
{
	int nIndex = (int)wIndex;
	return GetLBTextLen( nIndex );
}

LONG CAdvComboBox::OnGetTopIndex( WPARAM /*wParam*/, LPARAM /*lParam*/ )
{
	return GetTopIndex();
}

LONG CAdvComboBox::OnSetTopIndex( WPARAM wIndex, LPARAM /*lParam*/ )
{
	return SetTopIndex(wIndex);
}

BOOL CAdvComboBox::RegisterWindowClass()
{
	WNDCLASS wndcls;
	HINSTANCE hInst;
	hInst = AfxGetInstanceHandle();

	ASSERT( hInst != 0 );

    if( !(::GetClassInfo(hInst, ADVCOMBOBOXCTRL_CLASSNAME, &wndcls)) )
    {
        wndcls.style            = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
        wndcls.lpfnWndProc      = ::DefWindowProc;
        wndcls.cbClsExtra       = 0;
		wndcls.cbWndExtra		= 0;
        wndcls.hInstance        = hInst;
        wndcls.hIcon            = NULL;
        wndcls.hCursor          = AfxGetApp()->LoadStandardCursor(IDC_ARROW);
        wndcls.hbrBackground    = (HBRUSH) (COLOR_WINDOW);
        wndcls.lpszMenuName     = NULL;
        wndcls.lpszClassName    = ADVCOMBOBOXCTRL_CLASSNAME;

        if( !AfxRegisterClass(&wndcls) )
        {
            AfxThrowResourceException();
            return FALSE;
        }
    }
    return TRUE;
}

BOOL CAdvComboBox::Create( DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID )
{
//	XLISTCTRL_TRACE(_T("in CAdvComboBox::Create\n"));
	m_rcCombo = rect;
	m_bCodeCreate = true;

	m_dwACBStyle |= ACBS_STANDARD;
	m_dwStyle = dwStyle;

	LoadString( nID );
	
	BOOL bRet = CWnd::Create(NULL, _T(""), dwStyle, m_rcCombo, pParentWnd, nID );

	return bRet;
}

void CAdvComboBox::LoadString( UINT nStringID )
{
	UINT nIDS;
	if( nStringID )
		nIDS = nStringID;
	else
	{
		nIDS = GetWindowLong( GetSafeHwnd(), GWL_ID );
	}

	//
	// Load string from resources
	CString strItems;
	if( !strItems.LoadString( nIDS ) )
	{
		return;
	}

	//
	// Clear the list
	m_list.clear();

	//
	// Go through the string and look after '\n'.
	TCHAR seps[] = _T("\n");
	TCHAR *token;
	int nLen = strItems.GetLength();
	TCHAR* szTok = new TCHAR[nLen+5];
	memset( szTok, 0, (nLen+5)*sizeof(TCHAR) );
	_tcscpy( szTok, (LPCTSTR)strItems );

	token = _tcstok( szTok, seps );
	while( token != NULL )
	{
		AddString( token );
		token = _tcstok( NULL, seps );
	}

	//
	// Add item to list

	//+++
	delete [] szTok;
}

int CAdvComboBox::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
//	XLISTCTRL_TRACE(_T("in CAdvComboBox::OnCreate\n"));

	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if( !m_pFont )
	{
		LOGFONT logFont;
		memset( &logFont, 0, sizeof(LOGFONT) );
		CFont* pF = m_pParent->GetFont();
		ASSERT(pF);
		pF->GetLogFont( &logFont );
		m_pFont = new CFont;
		m_pFont->CreateFontIndirect(&logFont);
		SetFont( m_pFont );
	}

	return 0;
}

void CAdvComboBox::PreSubclassWindow() 
{
//	XLISTCTRL_TRACE(_T("in CAdvComboBox::PreSubclassWindow\n"));

	if (m_pParent == NULL)
		m_pParent = GetParent();
	ASSERT(m_pParent);

	// TODO: Add your specialized code here and/or call the base class
	LoadString();

	if( !m_pFont )
	{
		LOGFONT logFont;
		memset( &logFont, 0, sizeof(LOGFONT) );
		CFont* pF = m_pParent->GetFont();
		ASSERT(pF);
		pF->GetLogFont( &logFont );
		m_pFont = new CFont;
		m_pFont->CreateFontIndirect(&logFont);
		SetFont( m_pFont );
	}

	if( !m_bCodeCreate )
	{
		//
		// Do we need to show an edit control. (CBS_DROPDOWN)
		if( (GetStyle() & CBS_DROPDOWN) && !(GetStyle() & CBS_SIMPLE) )	// == CBS_DROPDOWN
		{
			if( !m_pEdit )
			{
				CRect rect;
				GetClientRect(rect);
				rect.right = rect.right - ::GetSystemMetrics(SM_CXHSCROLL);
				if( m_dwACBStyle & ACBS_STANDARD )
				{
					rect.DeflateRect( 2, 2 );
					rect.left += 1;
					rect.top += 2;
					//rect.bottom += 2;
				}

//				XLISTCTRL_TRACE(_T("creating edit\n"));
				m_pEdit = new CAdvComboEdit;	//+++
				ASSERT(m_pEdit);
				DWORD dwStyle = 0;
				dwStyle = WS_VISIBLE | WS_CHILD;
				if( GetStyle() & CBS_AUTOHSCROLL )
				{
					dwStyle |= ES_AUTOHSCROLL;
				}
				VERIFY(m_pEdit->Create( dwStyle, rect, this, IDC_COMBOEDIT ));
				m_pEdit->SetFont( m_pFont );
				m_pEdit->SetWindowText( m_strEdit.c_str() );
			}
		}
	}
	CWnd::PreSubclassWindow();
}

void CAdvComboBox::OnChildActivate() 
{
	CWnd::OnChildActivate();
	
	// TODO: Add your message handler code here
	if( !m_pFont )
	{
		LOGFONT logFont;
		memset( &logFont, 0, sizeof(LOGFONT) );
		CFont* pF = m_pParent->GetFont();
		pF->GetLogFont( &logFont );
		m_pFont = new CFont;
		m_pFont->CreateFontIndirect(&logFont);
		SetFont( m_pFont );
	}
	if( m_bCodeCreate )
	{
		//
		// Do we need to show an edit control. (CBS_DROPDOWN)
		if( (GetStyle() & CBS_DROPDOWN) && !(GetStyle() & CBS_SIMPLE) )	// == CBS_DROPDOWN
		{
			if( !m_pEdit )
			{
				CRect rect;
				GetClientRect(rect);
				rect.right = rect.right - ::GetSystemMetrics(SM_CXHSCROLL);
				if( m_dwACBStyle & ACBS_STANDARD )
				{
					rect.DeflateRect( 2, 2 );
					rect.left += 1;
					rect.top += 2;
					//rect.bottom += 2;
				}

				m_pEdit = new CAdvComboEdit;	//+++
				DWORD dwStyle = 0;
				dwStyle = WS_VISIBLE | WS_CHILD;
				if( GetStyle() & CBS_AUTOHSCROLL )
				{
					dwStyle |= ES_AUTOHSCROLL;
				}
				m_pEdit->Create( dwStyle, rect, this, IDC_COMBOEDIT );
				m_pEdit->SetFont( m_pFont );
				m_pEdit->SetWindowText( m_strEdit.c_str() );
			}
		}
	}
}

void CAdvComboBox::OnPaint() 
{
	CPaintDC dc(this); // device context for painting

	if( m_nCurSel != -1 )
	{
		m_iter = m_list.begin();
		advance( m_iter, m_nCurSel );
		if( m_iter != m_list.end() )
		{
			m_strEdit = m_iter->strText;
		}
		if( m_bFirstPaint )
		{
			if( m_pEdit )
			{
				m_pEdit->SetWindowText( m_strEdit.c_str() );
				m_bFirstPaint = false;
				m_pEdit->EnableWindow( IsWindowEnabled() );
			}
		}
	}
	
	CRect rect;
	CRect rcText;

	GetClientRect(rect);
	rcText = rect;
	rect.left = rect.right - ::GetSystemMetrics(SM_CXHSCROLL);
	rcText.right = rect.left-1;

	m_rcDropButton = rect;
	GetClientRect(rect);

	BOOL bWndEnabled = IsWindowEnabled();

	COLORREF clrDisabledBkg = ::GetSysColor(COLOR_BTNFACE);
	COLORREF clrDisabledBorder = ::GetSysColor(COLOR_3DDKSHADOW);
	COLORREF clrDisabledText = ::GetSysColor(COLOR_GRAYTEXT);

	if( !bWndEnabled )
	{
		if( 1 ) // Draw disabled flat control with border? Change to '0'.
		{
			dc.FillSolidRect( rect, clrDisabledBkg );
		}
		else
		{
			CBrush brDisabled(clrDisabledBkg);
			CBrush* pOldBrush = dc.SelectObject(&brDisabled);
			CPen penDisabled( PS_SOLID, 0, clrDisabledBorder);
			CPen* pOldPen = dc.SelectObject(&penDisabled);
			dc.Rectangle(rect);
			dc.SelectObject(pOldBrush);
			dc.SelectObject(pOldPen);
		}
	}
	else
	{
		COLORREF clrEnabledBkg = ::GetSysColor(COLOR_WINDOW);
		dc.FillSolidRect( rect, clrEnabledBkg );
	}


	DWORD dwBtnStyle = 0;
	if( !bWndEnabled )
	{
		dwBtnStyle |= DFCS_INACTIVE;
	}
	dwBtnStyle |= m_bDropListVisible ? (DFCS_SCROLLDOWN|DFCS_PUSHED|DFCS_FLAT) : DFCS_SCROLLDOWN;


	BOOL bThemeActive = FALSE;
	HRESULT hr;

	bThemeActive = g_xpStyle.UseVisualStyles();

	HTHEME hTheme = NULL;
	if( bThemeActive )
		hTheme = g_xpStyle.OpenThemeData( m_hWnd, _T("COMBOBOX") );

	// Theme drop btn style
	int nDropBtnThemeStyle = 0;
	if( m_bDropListVisible )
	{
		nDropBtnThemeStyle = CBXS_PRESSED;
	}
	else
	{
		nDropBtnThemeStyle = CBXS_NORMAL;
		if( m_bDropButtonHot )
			nDropBtnThemeStyle = CBXS_HOT;
		if( !bWndEnabled )
			nDropBtnThemeStyle = CBXS_DISABLED;
	}

#if 0  // -----------------------------------------------------------
	if( m_dwACBStyle & ACBS_FLAT )
	{
		if( bThemeActive )
		{
			hr = g_xpStyle.DrawThemeBackground( hTheme, dc.m_hDC, CP_DROPDOWNBUTTON, nDropBtnThemeStyle, &m_rcDropButton, NULL);
		}
		else
		{
			dc.DrawFrameControl(m_rcDropButton, DFC_SCROLL, dwBtnStyle );
		}
	}
	else
	if( m_dwACBStyle & ACBS_STANDARD )
#endif // -----------------------------------------------------------
	{
		if( bThemeActive )
		{
			COLORREF clrBorder;
			hr = g_xpStyle.GetThemeColor( hTheme, BP_PUSHBUTTON, bWndEnabled ? PBS_NORMAL : PBS_DISABLED, TMT_BORDERCOLOR, &clrBorder );
			if( FAILED( hr ) )
			{
				clrBorder = RGB(0,0,0);
			}
			CPen penBorder( PS_SOLID, 0, clrBorder );
			CPen* oldBorderPen = dc.SelectObject( &penBorder );
			dc.Rectangle( &rect );
			m_rcDropButton.DeflateRect(0,1,0,1);
			m_rcDropButton.left -= 1;
			m_rcDropButton.right -= 1;

			if( !bWndEnabled )
			{
				COLORREF clrDisabledLightBorder;
				COLORREF clrDisabledFill;
				hr = g_xpStyle.GetThemeColor( hTheme, BP_PUSHBUTTON, bWndEnabled ? PBS_NORMAL : PBS_DISABLED, TMT_FILLCOLOR, &clrDisabledLightBorder );
				if( FAILED( hr ) )
				{
					clrDisabledLightBorder = RGB(255,255,255);
				}