xpcombobox.cpp

用bcg库编写的java IDE 源码

// XPComboBox.cpp : implementation file
//

#include "stdafx.h"
#include "XPComboBox.h"
#include "bcgbarres.h"

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

/////////////////////////////////////////////////////////////////////////////
// CXPComboBox

CXPComboBox::CXPComboBox()
{
	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,9,11,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;	
	m_pImageList = NULL;

	m_crfCBTextColor = GetSysColor(COLOR_BTNTEXT);

    memset(&m_logCBFont, 0, sizeof(LOGFONT));   // zero out structure
    m_logCBFont.lfHeight = 15;          // request a 12-pixel-height font
	///m_logCBFont.lfWeight = FW_BOLD;
    strcpy((char*)m_logCBFont.lfFaceName, (const char*)"Courier");// request a face name "Arial"
}

CXPComboBox::~CXPComboBox()
{
}


void CXPComboBox::OnSysColorChange( )
{
	CComboBox::OnSysColorChange( );
	m_clrBtnLight=::GetSysColor(COLOR_3DHILIGHT);
	m_clrBtnDark=::GetSysColor(COLOR_3DSHADOW);
	if (bColor)
		m_clrBtnFace= ::GetSysColor(COLOR_3DFACE);
}

void CXPComboBox::AutoColor(BOOL bAColor)
{
	bColor=bAColor;
}


BEGIN_MESSAGE_MAP(CXPComboBox, CComboBox)
	//{{AFX_MSG_MAP(CGuiComboFont)
	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()

/////////////////////////////////////////////////////////////////////////////
// CGuiComboFont message handlers

void CXPComboBox::PreSubclassWindow() 
{
	CComboBox::PreSubclassWindow();
}

void CXPComboBox::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 CXPComboBox::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 CXPComboBox::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	/*
	 * Se hace un llamamdo a la funci髇 definida por defecto
	 * para el procesamiento de mensajes que la aplicaci髇 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 CXPComboBox::OnSetFocus(CWnd* pOldWnd) 
{
	CComboBox::OnSetFocus(pOldWnd);
	CClientDC dc(this);
	DrawCombo(CM_SELECCIONADO,&dc);			
	
}

BOOL CXPComboBox::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 CXPComboBox::SetColor(COLORREF clrFace)
{
	m_clrBtnFace=clrFace;
	Invalidate();
	UpdateWindow();
	
}

void CXPComboBox::DrawCombo(enTypeShow enShow,CDC* pDC)
{

    CRect m_rcClient;
	CRect m_rcDropDown;
	GetClientRect(&m_rcClient);
	m_rcClient.bottom-=2;
	//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 CXPComboBox::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 CXPComboBox::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  CXPComboBox::OnCloseup() 
{
	// TODO: Add your control notification handler code here
	CClientDC dc(this);
	m_bPress=FALSE;
	OnTimer(1);	
}

//void CGuiComboFont::OnKillFocus(CWnd* pNewWnd) //version 6
void CXPComboBox::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 CXPComboBox::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CComboBox::OnCreate(lpCreateStruct) == -1)
		return -1;
	SetFont(&m_Font);
	return 0;
}


void CXPComboBox::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)
	{
		SetCurSel( 0);
	}
	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 CXPComboBox::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
   ASSERT(lpMeasureItemStruct->CtlType == ODT_COMBOBOX);

   if (lpMeasureItemStruct->itemID != (UINT) -1)
   {
      LPCTSTR lpszText = (LPCTSTR) lpMeasureItemStruct->itemData;
      ASSERT(lpszText != NULL);
      CSize   sz;
      CDC*    pDC = GetDC();

      sz = pDC->GetTextExtent(lpszText);

      ReleaseDC(pDC);

      lpMeasureItemStruct->itemHeight = 2*sz.cy;
   }
}

void CXPComboBox::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
   ASSERT(lpDrawItemStruct->CtlType == ODT_COMBOBOX);

   int nIndex = lpDrawItemStruct->itemID;

   CDC dc;
   dc.Attach(lpDrawItemStruct->hDC);

   int cx = 0, cy = 0;
   int iImage = -1;
   if(nIndex == -1)return;

   CString strItem;
   GetLBText(nIndex,strItem);
   CRect rcText(lpDrawItemStruct->rcItem);

   CFont font;
   VERIFY(font.CreateFontIndirect(&m_logCBFont)); // create the font
   CFont* pOldFont = dc.SelectObject(&font);

   if(m_pImageList != NULL)
   {
     iImage = GetImage(strItem);
     if(iImage != -1)
	 {
	   int iImageCount = m_pImageList->GetImageCount();
            
	   //TRACE1("%d Image :\n",iImage);
       ::ImageList_GetIconSize(*m_pImageList, &cx, &cy);
	   rcText.DeflateRect(cx,0,0,0);
	 }
   }




   // Save these value to restore them when done drawing.
   COLORREF crOldTextColor = dc.GetTextColor();
   COLORREF crOldBkColor = dc.GetBkColor();
   int nMode = dc.SetBkColor(TRANSPARENT);
   
   //not responsible for drawing selection
   if ((lpDrawItemStruct->itemAction | ODA_SELECT) &&
      (lpDrawItemStruct->itemState  & ODS_SELECTED))
   {
      dc.SetTextColor(::GetSysColor(COLOR_HIGHLIGHTTEXT));
      dc.SetBkColor(::GetSysColor(COLOR_HIGHLIGHT));
      dc.FillSolidRect(&rcText, ::GetSysColor(COLOR_HIGHLIGHT));
   }
   else
   {
	  //CBrush backgrndBrush(RGB(192,192,192));
	  //dc.Rectangle(&lpDrawItemStruct->rcItem);
      //backgrndBrush.DeleteObject();
	  dc.FillSolidRect(&lpDrawItemStruct->rcItem, crOldBkColor);
	  dc.SetTextColor(m_crfCBTextColor);
   }   

   dc.DrawText(strItem,strItem.GetLength(),&rcText,
   DT_LEFT|DT_SINGLELINE/*|DT_VCENTER*/);
 
   if(iImage != -1)
   m_pImageList->Draw(&dc,iImage,CPoint(rcText.left-cx,rcText.top),ILD_TRANSPARENT);	  

   // Reset the background color and the text color back to their
   // original values.
   dc.SetTextColor(crOldTextColor);
   dc.SetBkColor(crOldBkColor);
   dc.SetBkMode(nMode);
   dc.SelectObject(pOldFont);
   font.DeleteObject();
   dc.Detach();
}

int CXPComboBox::AddString(LPCTSTR szpText,int iImage /*= -1*/)
{
   int nResult = CComboBox::AddString(szpText);
   if(nResult != CB_ERR && nResult != CB_ERRSPACE)
   {
	 m_iImageStringMap.SetAt(szpText,iImage);
   }
   return nResult;
}

int  CXPComboBox::GetImage(LPCTSTR lszpItem)
{
   for(POSITION nPos = m_iImageStringMap.GetStartPosition(); nPos != NULL;)
   {
      int     iImage;
	  LPCTSTR lszpString;
	  m_iImageStringMap.GetNextAssoc(nPos,(LPCTSTR)lszpString,iImage);
	  if(strcmp((const char *)lszpItem,(const char *)lszpString) == 0)
		  return iImage;
   }
   return -1;
}

void CXPComboBox::DeleteImage(LPCTSTR lszpItem)
{
   m_iImageStringMap.RemoveKey(lszpItem);
}

int  CXPComboBox::DeleteString(UINT nIndex)
{
   ASSERT(nIndex<(UINT)GetCount());
   CString strItem;
   GetLBText(nIndex,strItem);
   DeleteImage(strItem);
   return CComboBox::DeleteString(nIndex);
}

void CXPComboBox::ResetContent()
{
  m_iImageStringMap.RemoveAll();
  CComboBox::ResetContent();
}