www.pudn.com > clking_src.rar > GuiComboBoxExt.cpp

//-----------------------------------------------------------------------// 
// This is a part of the GuiLib MFC Extention.							 //	 
// Autor  :  Francisco Campos											 // 
// (C) 2002 Francisco Campos  All rights reserved     // 
// This code is provided "as is", with absolutely no warranty expressed  // 
// or implied. Any use is at your own risk.								 //		 
// You must obtain the author's consent before you can include this code // 
// in a software library.												 // 
// If the source code in  this file is used in any application			 // 
// then acknowledgement must be made to the author of this program		 //	 
// fcampos@tutopia.com													 // 
//-----------------------------------------------------------------------// 
 
#include "stdafx.h" 
#include "GuiComboBoxExt.h" 
#include "resource.h" 
#include    
#include "..\header\guicomboboxext.h" 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CGuiComboBoxExt 
 
CGuiComboBoxExt::CGuiComboBoxExt() 
{ 
	m_clrBtnFace= ::GetSysColor(COLOR_3DFACE); 
	m_clrBtnLight=::GetSysColor(COLOR_3DHILIGHT); 
	m_clrBtnDark=::GetSysColor(COLOR_3DSHADOW); 
	m_iWidthDrowDown=GetSystemMetrics(SM_CXHTHUMB); 
	m_bOverCombo=FALSE; 
	m_Font.CreateStockObject (DEFAULT_GUI_FONT); 
	m_bPress=FALSE; 
	m_imgArrow.Create(IDB_DOCKBAR,9,10,RGB(255,0,255)); 
	CBitmap cbmp; 
	BITMAP bmp; 
	cbmp.LoadBitmap(IDB_DOCKBAR); 
	cbmp.GetBitmap(&bmp); 
	mHeight=CPoint(bmp.bmWidth,bmp.bmHeight);	 
	m_bFondoXp=FALSE; 
	m_IsCallMiniTool=FALSE; 
	bColor=TRUE; 
	bhistory=FALSE; 
 
	 
} 
 
BOOL CGuiComboBoxExt::PreTranslateMessage(MSG* pMsg)  
{ 
	 
	if (pMsg->message == WM_KEYDOWN) 
	{ 
		int nVirtKey = (int) pMsg->wParam; 
		if (nVirtKey == VK_RETURN ) 
		{ 
			//if (!(GetStyle( ) & CBS_DROPDOWNLIST)) 
			//{ 
				CString sCad; 
				GetWindowText(sCad); 
				AddString(sCad); 
			//} 
			GetParentFrame()->SendMessage(WM_COMMAND,GetDlgCtrlID()); 
			return 1;//nonzero so app does not get the esc key and exit 
		} 
	} 
	return CComboBox::PreTranslateMessage(pMsg); 
} 
 
void CGuiComboBoxExt::OnSysColorChange( ) 
{ 
	CComboBox::OnSysColorChange( ); 
	m_clrBtnLight=::GetSysColor(COLOR_3DHILIGHT); 
	m_clrBtnDark=::GetSysColor(COLOR_3DSHADOW); 
	if (bColor) 
		m_clrBtnFace= ::GetSysColor(COLOR_3DFACE); 
} 
 
void CGuiComboBoxExt::AutoColor(BOOL bAColor) 
{ 
	bColor=bAColor; 
} 
 
CGuiComboBoxExt::~CGuiComboBoxExt() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CGuiComboBoxExt, CComboBox) 
	//{{AFX_MSG_MAP(CGuiComboBoxExt) 
	ON_WM_LBUTTONDOWN() 
	ON_WM_LBUTTONUP() 
	ON_WM_PAINT() 
	ON_WM_SETCURSOR() 
	ON_WM_TIMER() 
	ON_CONTROL_REFLECT(CBN_KILLFOCUS, OnCbnKillfocus) 
    //ON_CONTROL_REFLECT(CBN_KILLFOCUS, OnKillFocus) 
	ON_WM_SETFOCUS() 
	ON_WM_CREATE() 
	ON_WM_SYSCOLORCHANGE() 
	ON_CONTROL_REFLECT(CBN_CLOSEUP, OnCloseup) 
	//}}AFX_MSG_MAP 
	 
	ON_CONTROL_REFLECT(CBN_EDITUPDATE, OnCbnEditupdate) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CGuiComboBoxExt message handlers 
 
 
void CGuiComboBoxExt::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	 
	m_bOverCombo=TRUE; 
	m_bPress=TRUE; 
	CClientDC dc(this); 
	DrawCombo(CM_SELECCIONADO,&dc);			 
	CComboBox::OnLButtonDown(nFlags, point); 
} 
void CGuiComboBoxExt::ActiveHistory(BOOL bHistory) 
{ 
	bhistory=bHistory; 
} 
 
void CGuiComboBoxExt::SaveHistory(CString szHistory,BOOL bSaveCurrent) 
{ 
	int nSize=GetCount(); 
	if (szHistory.IsEmpty()) return; 
	if (nSize == 0) return; 
	DeleteHistory(szHistory); 
	int nCurs=GetCurSel(); 
	CString sKey=szHistory; 
	CString sCad; 
	CWinApp* pAppWin = AfxGetApp(); 
	if(bSaveCurrent) 
	{ 
		if(nCurs < 0) return; 
		GetLBText(nCurs,sCad); 
		CString nKeyHist=szHistory+"SaveCurrent"; 
		pAppWin->WriteProfileString("ComboHistory",nKeyHist,sCad); 
	} 
	 
	for(int i=0; i< nSize; i++) 
	{ 
		GetLBText(i,sCad); 
		sKey.Format("%s%d",szHistory,i); 
		pAppWin->WriteProfileString("ComboHistory",sKey,sCad); 
	} 
} 
 
void CGuiComboBoxExt::LoadHistory(CString szHistory,BOOL bLoadCurrent) 
{ 
	if (szHistory.IsEmpty()) return; 
	CString sKey=szHistory; 
	CString sCad; 
	CWinApp* pAppWin = AfxGetApp(); 
	int i=0; 
	while(1){ 
		sKey.Format("%s%d",szHistory,i++); 
		sCad=pAppWin->GetProfileString("ComboHistory",sKey); 
		if (sCad.IsEmpty()) 
			break; 
		AddString(sCad); 
	} 
	if (bLoadCurrent) 
	{ 
		CString sKeyHist=szHistory+"SaveCurrent"; 
		sCad=pAppWin->GetProfileString("ComboHistory",sKeyHist); 
		if (sCad.IsEmpty()) 
			return; 
		AddString(sCad); 
 
	} 
 
} 
 
 
int	 CGuiComboBoxExt::AddString(LPCTSTR lpszString) 
{ 
	CString szCadAdd; 
	szCadAdd=lpszString; 
	if (szCadAdd.IsEmpty()) return -1; 
	if(bhistory!=TRUE) 
		return CComboBox::AddString(lpszString); 
	szCadAdd.TrimLeft(" "); 
	szCadAdd.TrimRight(" "); 
	int nret=CComboBox::InsertString(0,szCadAdd); 
	int nFindCad=FindStringExact(0, szCadAdd); 
	if (nFindCad != -1 && nFindCad != 0) 
		DeleteString(nFindCad ); 
	SetCurSel(nret);	 
	return nret; 
} 
 
void CGuiComboBoxExt::DeleteHistory(CString szHistory) 
{ 
	//m_pszRegistryKey=_tcsdup(_T("HKEY_CURRENT_USER\\Software\\mycompany\\myapp\\thissection\\thisvalue")); 
	CWinApp* pAppWin = AfxGetApp(); 
	CString sKey ; 
	CRegKey rk; 
    if (pAppWin->m_pszRegistryKey == NULL || pAppWin->m_pszAppName == NULL) 
      return; 
    CString sPath = "SOFTWARE\\"; 
	sPath+= pAppWin->m_pszRegistryKey + CString("\\"); 
    sPath+= pAppWin->m_pszAppName + CString("\\"); 
    sPath+= szHistory; 
    if (rk.Open(HKEY_CURRENT_USER, sPath) != ERROR_SUCCESS) 
      return; 
	int nCount = GetCount(); 
    for (int i = 0; i < nCount; i++) 
    { 
	  sKey.Format("%s%d", szHistory,i); 
      rk.DeleteValue(sKey); 
    } 
  CString nKeyHist=szHistory+"SaveCurrent"; 
  pAppWin->WriteProfileString("ComboHistory",nKeyHist,""); 
  ResetContent(); 
} 
void CGuiComboBoxExt::PreSubclassWindow()  
{ 
	CComboBox::PreSubclassWindow(); 
} 
 
void CGuiComboBoxExt::OnLButtonUp(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if (m_IsCallMiniTool==TRUE) 
		m_bPress=FALSE; 
	CComboBox::OnLButtonUp(nFlags, point); 
} 
 
void CGuiComboBoxExt::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
	/* 
	 * Se hace un llamamdo a la función definida por defecto 
	 * para el procesamiento de mensajes que la aplicación definitivamente 
	 * no esta interesado en manejar 
	 **/  
	CComboBox::DefWindowProc(WM_PAINT,(WPARAM)dc.m_hDC,0); 
	if (m_bPress != TRUE) 
		DrawCombo(CM_NORMAL,&dc); 
	else 
		DrawCombo(CM_SELECCIONADO,&dc); 
	// Do not call CComboBox::OnPaint() for painting messages 
} 
 
void CGuiComboBoxExt::OnSetFocus(CWnd* pOldWnd)  
{ 
	CComboBox::OnSetFocus(pOldWnd); 
	CClientDC dc(this); 
	DrawCombo(CM_SELECCIONADO,&dc);			 
	 
} 
 
BOOL CGuiComboBoxExt::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)  
{ 
	// TODO: Add your message handler code here and/or call default 
	CPoint ptCurPos; 
	CRect m_rcCli; 
	GetCursorPos (&ptCurPos); 
	ScreenToClient (&ptCurPos); 
	GetClientRect(&m_rcCli); 
	if (m_rcCli.PtInRect (ptCurPos) && m_bOverCombo==FALSE && m_bPress==FALSE) 
		{ 
			m_bOverCombo=TRUE; 
			CClientDC dc(this); 
			DrawCombo(CM_ONFOCUS,&dc);			 
			SetTimer(1,10,NULL); 
			OnTimer(1); 
			return TRUE; 
		} 
			 
	return CComboBox::OnSetCursor(pWnd, nHitTest, message); 
} 
 
void CGuiComboBoxExt::SetColor(COLORREF clrFace) 
{ 
	m_clrBtnFace=clrFace; 
	Invalidate(); 
	UpdateWindow(); 
	 
} 
 
void CGuiComboBoxExt::DrawCombo(enTypeShow enShow,CDC* pDC) 
{ 
 
    CRect m_rcClient; 
	CRect m_rcDropDown; 
	GetClientRect(&m_rcClient); 
	//primero eliminamos los bordes 3D del combobox 
	pDC->Draw3dRect(&m_rcClient,m_clrBtnFace,m_clrBtnFace); 
	m_rcClient.DeflateRect(1,1); 
	if (IsWindowEnabled()) 
	{ 
		if (enShow==CM_NORMAL) 
			pDC->Draw3dRect(&m_rcClient,GuiDrawLayer::GetRGBPressBXP(),GuiDrawLayer::GetRGBPressBXP()); 
	} 
    else 
	pDC->Draw3dRect(&m_rcClient,m_clrBtnLight,m_clrBtnLight);	 
 
	if (enShow==CM_NORMAL) 
		pDC->Draw3dRect(&m_rcClient,m_clrBtnFace,m_clrBtnFace); 
	else // && !XP 
		pDC->Draw3dRect(&m_rcClient,GuiDrawLayer::GetRGBCaptionXP(),GuiDrawLayer::GetRGBCaptionXP()); 
	//debemos pintar el borde del boton drawDwon 
	m_rcClient.DeflateRect(1,1); 
	m_rcClient.left=m_rcClient.right-m_iWidthDrowDown; 
	pDC->Draw3dRect(&m_rcClient,m_clrBtnFace,m_clrBtnFace); 
	m_rcClient.DeflateRect(1,1); 
	pDC->Draw3dRect(&m_rcClient,GuiDrawLayer::GetRGBCaptionXP(),GuiDrawLayer::GetRGBCaptionXP()); 
	m_rcClient.InflateRect(0,1); 
	if (enShow==CM_NORMAL) 
	{ 
		//el boton no esta seleccionado 
		 
		m_rcClient.right += 1; 
		m_rcClient.left  -= 1; 
		pDC->Draw3dRect(&m_rcClient,m_clrBtnLight,m_clrBtnLight); 
		m_rcClient.DeflateRect(1,1); 
		CBrush cblu; 
		cblu.CreateSolidBrush( m_clrBtnFace); 
		pDC->FillRect(&m_rcClient,&cblu); 
		m_rcClient.left += 2; 
		m_rcClient.right+= 2; 
		DrawArrow(pDC,m_rcClient); 
	} 
	else 
 
	{ 
		m_rcClient.InflateRect(1,1); 
		CBrush cblu; 
		cblu.CreateSolidBrush(enShow == CM_ONFOCUS? GuiDrawLayer::GetRGBFondoXP():GuiDrawLayer::GetRGBPressBXP()); 
		pDC->FillRect(&m_rcClient,&cblu); 
		m_rcClient.right += 1; 
		pDC->Draw3dRect(&m_rcClient,GuiDrawLayer::GetRGBCaptionXP(),GuiDrawLayer::GetRGBCaptionXP()); 
		DrawArrow(pDC,m_rcClient); 
	 
	} 
	 
} 
 
void CGuiComboBoxExt::DrawArrow(CDC* pDC,CRect m_rc) 
{ 
	int difh =m_rc.Height()-mHeight.y; 
	difh/=2; 
	 
	m_rc.left=m_rc.right-m_iWidthDrowDown; 
	m_imgArrow.Draw(pDC,0,CPoint(m_rc.left+2,m_rc.top+difh),ILD_TRANSPARENT);		 
	 
} 
 
void CGuiComboBoxExt::OnTimer(UINT nIDEvent)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if (nIDEvent== 1) 
	{ 
		CPoint pt(GetMessagePos()); 
		CRect m_rc; 
		ScreenToClient(&pt); 
		GetClientRect(m_rc); 
		if (!m_rc.PtInRect(pt) && m_bPress!=TRUE) 
		{ 
		 	KillTimer(1); 
			m_bOverCombo=FALSE; 
			CClientDC dc(this); 
			if (m_bPress==FALSE) 
		 		DrawCombo(CM_NORMAL,&dc);			 
			else 
				DrawCombo(CM_ONFOCUS,&dc);	 
			m_bPress=FALSE; 
		}		 
	} 
	 
	CComboBox::OnTimer(nIDEvent); 
} 
 
void  CGuiComboBoxExt::OnCloseup()  
{ 
	// TODO: Add your control notification handler code here 
	CClientDC dc(this); 
	m_bPress=FALSE; 
	OnTimer(1); 
	 
} 
 
//void CGuiComboBoxExt::OnKillFocus(CWnd* pNewWnd) //version 6 
void CGuiComboBoxExt::OnCbnKillfocus() //version 7.0 
{ 
    CClientDC dc(this); 
	DrawCombo(CM_NORMAL,&dc); 
 
	if (!(GetStyle( ) & CBS_DROPDOWNLIST)) 
	{ 
		CString sCad; 
		GetWindowText(sCad); 
		AddString(sCad); 
	} 
	 
	m_bPress=FALSE; 
	m_bOverCombo=FALSE; 
	// TODO: Add your message handler code here 
	 
} 
 
int CGuiComboBoxExt::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CComboBox::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	SetFont (&m_Font);	 
	return 0; 
} 
 
void CGuiComboBoxExt::OnCbnEditupdate() 
{ 
  CString m_szCad; 
  GetWindowText(m_szCad); 
   
  DWORD m_dwCurRange=GetEditSel(); 
  DWORD m_dwStart=LOWORD(m_dwCurRange); 
  DWORD m_dwEnd = HIWORD(m_dwCurRange); 
  //se busca la cadena aprox, si no existe se debe insertar 
  
	if (SelectString(-1,m_szCad) == CB_ERR) 
	{ 
		SetWindowText(m_szCad); 
		SetEditSel(m_dwStart,m_dwEnd); 
	} 
	else 
	{ 
		if (m_dwCurRange != CB_ERR) 
		{ 
			if (m_dwEnd <(DWORD) m_szCad.GetLength()) 
				SetEditSel(m_dwStart,m_dwEnd); 
			else 
				SetEditSel(m_szCad.GetLength(),-1); 
		} 
	} 
} 
 
void CGuiComboBoxExt::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{ 
} 
 
void CGuiComboBoxExt::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct) 
{ 
}