codefinisherlistbox.cpp

用bcg库编写的java IDE 源码

// CodeFinisherListBox.cpp: implementation of the CCodeFinisherListBox class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "visualjava.h"
#include "CodeFinisherListBox.h"
#include "VisualJavaView.h"
#include "MainFrm.h"
#include "VisualJavaDoc.h"

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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CCodeFinisherListBox::CCodeFinisherListBox(): m_bEnableLastAction (false)
{
  m_xMax = 0;m_yMax =0;
}

CCodeFinisherListBox::~CCodeFinisherListBox()
{

}


void CCodeFinisherListBox::AddItem(CString strItem,UINT nType,UINT nMod /*= -1*/)
{
  if(FindStringExact(-1,strItem) != LB_ERR)return;
  int hItem =0;
  if(nType == IS_CLASS)
  {
	//lvi.iImage = 0;
      hItem = AddString(strItem,0);
  }
  else
  if(nType == IS_INTERFACE)
  {

  }
  else
  if(nType == IS_PACKAGE)
  {

  }
  else
  if(nType == IS_FUNC)
  {

     if(nMod == -1)
	 {
	   //lvi.iImage = 4;
		hItem = AddString(strItem,4);
	 }
	   
	 if(nMod == IS_PUBLIC)
	 {
	   //lvi.iImage = 1;
	   hItem = AddString(strItem,1);
	 }
	 else
	 if(nMod == IS_PROTECTED)
	 {
       //lvi.iImage = 6;
	   hItem = AddString(strItem,6);
	 }
	 else
	 {
       //lvi.iImage = 4;
	   hItem = AddString(strItem,4);
	 }
  }
  else
  if(nType == IS_VAR)
  {
     if(nMod == -1)
	 {
	   //lvi.iImage = 5;
	   hItem = AddString(strItem,5);
	 }

	 if(nMod == IS_PUBLIC)
	 {
	   //lvi.iImage = 3;
	   hItem = AddString(strItem,5);
	 }
	 else
	 if(nMod == IS_PROTECTED)
	 {
	   //lvi.iImage = 7;
	   hItem = AddString(strItem,7);
	 }
	 else
	 {
	   //lvi.iImage = 5;
		hItem = AddString(strItem,5);
	 }
  }
  CRect rcItem;
  GetItemRect(hItem,&rcItem);
  CSize size = GetDC()->GetTextExtent(strItem);

  if(GetCount()<11)
   m_yMax = rcItem.Height()*GetCount();

  int max = size.cx;
  if((max>m_xMax)&&(max<150))
	  m_xMax = max;
}

#define	MASK_DWDATA		0x01	// dwItemData is valid
#define	MASK_LPDATA		0x02	// pData is valid
#define	MASK_NIMAGE		0x04	// nImage is valid
#define	MASK_DWFLAGS	0x08	// dwFlags is valid
#define MASK_ALL		0xff	// All fields are valid
#define TEST_BIT0		0x00000001
#define	CX_1_BORDER		3
#define	CY_1_BORDER		2

void CCodeFinisherListBox::DrawItem(LPDRAWITEMSTRUCT pDIStruct)
{

    #define CX_BORDER   1
    #define CY_BORDER   1


	CDC*			pDC = CDC::FromHandle(pDIStruct->hDC);
	BOOL			bIsSelected = FALSE;
	BOOL			bIsFocused = FALSE;
	BOOL			bIsDisabled = FALSE;
	COLORREF		crNormal = GetSysColor(COLOR_WINDOW);
	COLORREF		crSelected = GetSysColor(COLOR_HIGHLIGHT);
	COLORREF		crText = GetSysColor(COLOR_WINDOWTEXT);
	COLORREF		crColor = RGB(0, 0, 0);
	CString			sText;					// List box item text
	STRUCT_LBDATA*	lpLBData = NULL;

	lpLBData = (STRUCT_LBDATA*)CListBox::GetItemDataPtr(pDIStruct->itemID);
	if (lpLBData == NULL || lpLBData == (LPVOID)-1L)	return;

	bIsSelected = (pDIStruct->itemState & ODS_SELECTED);
	bIsFocused = (pDIStruct->itemState & ODS_FOCUS);
	bIsDisabled = ((pDIStruct->itemState & ODS_DISABLED) || ((lpLBData->dwFlags & TEST_BIT0) == TEST_BIT0));

	CRect rcItem = pDIStruct->rcItem;
	CRect rcIcon = pDIStruct->rcItem;
	CRect rcText = pDIStruct->rcItem;
	CRect rcCenteredText = pDIStruct->rcItem;

	pDC->SetBkMode(TRANSPARENT);

	// ONLY FOR DEBUG 
	//CBrush brBtnShadow(RGB(255, 0, 0));
	//pDC->FrameRect(&rcItem, &brBtnShadow);

	// Calculate rcIcon
	if (m_pImageList)
	{
		rcIcon.right = rcIcon.left + m_szImage.cx + CX_BORDER*2;
		rcIcon.bottom = rcIcon.top + m_szImage.cy + CY_BORDER*2;
	} // if
	else rcIcon.SetRect(0, 0, 0, 0);

	// Calculate rcText
	rcText.left = rcIcon.right;

	// Calculate rcCenteredText
	// Get list box item text
	CListBox::GetText(pDIStruct->itemID, sText);
	rcCenteredText = rcText;
	pDC->DrawText(sText, -1, rcCenteredText, DT_WORDBREAK | DT_EXPANDTABS| DT_CALCRECT | lpLBData->nFormat);
	rcCenteredText.OffsetRect(0, (rcText.Height() - rcCenteredText.Height())/2);

	// Draw rcIcon background
	if (m_pImageList)
	{
		if (bIsSelected && (m_byRowSelect == ST_FULLROWSELECT) && !bIsDisabled)
			crColor = crSelected;
		else
			crColor = crNormal;

		OnDrawIconBackground(pDIStruct->itemID, pDC, &rcItem, &rcIcon, bIsDisabled, bIsSelected, crColor);
	} // if

	// Draw rcText/rcCenteredText background
	if (bIsDisabled)
	{
		pDC->SetTextColor(GetSysColor(COLOR_GRAYTEXT));
		crColor = crNormal;
	} // if
	else
	{
		if (bIsSelected)
		{
			pDC->SetTextColor(0x00FFFFFF & ~crText);
			crColor = crSelected;
		} // if
		else
		{
			pDC->SetTextColor(crText);
			crColor = crNormal;
		} // else
	} // else

	if (m_byRowSelect == ST_TEXTSELECT)
		//pDC->FillSolidRect(&rcCenteredText, crColor);
		OnDrawTextBackground(pDIStruct->itemID, pDC, &rcItem, &rcCenteredText, bIsDisabled, bIsSelected, crColor);
	else
		//pDC->FillSolidRect(&rcText, crColor);
		OnDrawTextBackground(pDIStruct->itemID, pDC, &rcItem, &rcText, bIsDisabled, bIsSelected, crColor);

	// Draw the icon (if any)
	if (m_pImageList)
		OnDrawIcon(pDIStruct->itemID, pDC, &rcItem, &rcIcon, lpLBData->nImage, bIsDisabled, bIsSelected);

	// Draw text
	pDC->DrawText(sText, -1, rcCenteredText, DT_WORDBREAK | DT_EXPANDTABS | lpLBData->nFormat);

	// Draw focus rectangle
	if (bIsFocused && !bIsDisabled)
	{
		switch (m_byRowSelect)
		{
			case ST_FULLROWSELECT:
				pDC->DrawFocusRect(&rcItem);
				break;
			case ST_FULLTEXTSELECT:
				pDC->DrawFocusRect(&rcText);
				break;
			case ST_TEXTSELECT:
			default:
				pDC->DrawFocusRect(&rcCenteredText);
				break;
		} // switch
	} // if
}

void CCodeFinisherListBox::ReCalcSize(CRect& rcSize)
{
                               //icon
   SetWindowPos(NULL,0,0,m_xMax+16,m_yMax,SWP_NOZORDER); 
}

void CCodeFinisherListBox::Reset()
{
  ResetContent();
  m_xMax = 0;m_yMax =0;
}

BEGIN_MESSAGE_MAP(CCodeFinisherListBox, CListBoxST)
	//{{AFX_MSG_MAP(CMyTreeCtrl)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
	ON_WM_NCPAINT()
END_MESSAGE_MAP()


void CCodeFinisherListBox::OnNcPaint()
{
	CWindowDC dc(this);


	CRect rectClient;
	GetClientRect(rectClient);
	CRect rectWindow;
	GetWindowRect(rectWindow);
	ScreenToClient(rectWindow);
	rectClient.OffsetRect(-rectWindow.left, -rectWindow.top);
	if(rectClient.top<rectClient.bottom && rectClient.top<rectClient.bottom)
		dc.ExcludeClipRect(rectClient);


	// erase parts not drawn
	SendMessage(WM_ERASEBKGND, (WPARAM)dc.m_hDC);

	// draw borders in non-client area
	rectWindow.OffsetRect(-rectWindow.left, -rectWindow.top);

	CRect rcClip;
	dc.GetClipBox(&rcClip);
	CDC mdc;
	mdc.CreateCompatibleDC(&dc);
	CBitmap memBmp;
	memBmp.CreateCompatibleBitmap(&dc,rectWindow.Width(),rectWindow.Height());
    CBitmap* pOldBmp = mdc.SelectObject(&memBmp);

    {
      CBrush cb;
	  cb.CreateSolidBrush(RGB(0,0,255));
	  mdc.FillRect(rectWindow,&cb);
	  cb.DeleteObject();
	  //rectWindow.DeflateRect(0,1,0,1);
	}

    dc.BitBlt (rcClip.left, rcClip.top, rcClip.Width(), rcClip.Height(),
					   &mdc, rcClip.left, rcClip.top, SRCCOPY);
	mdc.SelectObject(pOldBmp);
	ReleaseDC(&dc);
	mdc.DeleteDC();

	//GetScrollBarCtrl(SB_VERT)->UpdateWindow();
}


///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
bool CCodeFinisherListBox::XPopupCtrlEvent::OnInit ()
{
    METHOD_PROLOGUE_(CCodeFinisherListBox, PopupCtrlEvent);

    TRACE ("CCodeFinisherListBox::OnInit ()\n");
    pThis->ModifyStyle (0, WS_BORDER, SWP_DRAWFRAME);

    return true;
}

///////////////////////////////////////////////////////////////////////////////
void CCodeFinisherListBox::XPopupCtrlEvent::OnShow ()
{
    METHOD_PROLOGUE_(CCodeFinisherListBox, PopupCtrlEvent);

    TRACE ("CCodeFinisherListBox::OnShow ()\n");
    pThis->SetFocus();
}

///////////////////////////////////////////////////////////////////////////////
void CCodeFinisherListBox::XPopupCtrlEvent::OnHide (bool bAbort)
{
    METHOD_PROLOGUE_(CCodeFinisherListBox, PopupCtrlEvent);
    TRACE ("CCodeFinisherListBox::OnHide (Abort = %s)\n", bAbort ? "true" : "false");

   
    if(!bAbort)
    {
       InsertText();
    }
}
///////////////////////////////////////////////////////////////////////////////
void CCodeFinisherListBox::XPopupCtrlEvent::InsertText()
{
   CMainFrame* pFrm = (CMainFrame*)AfxGetMainWnd();
   CVisualJavaView* pView = (CVisualJavaView*)(pFrm->GetActiveFrame()->GetActiveView());
   if(pView)
   {
      int sel = pFrm->m_wndCodeCompletionList.GetCurSel();
	  CString strSel;
      pFrm->m_wndCodeCompletionList.GetText(sel,strSel);
	  pView->InsertText(strSel);
    }

}
#define IS_DIGIT(c) (c>47&&c<58)

#define IS_IDENTIFIER_SYM(c) ((IS_DIGIT(c))||(c>64&&c<91)||(c>96&&c<123)||(c=='_'))

/*
#define TERM(c) ((char(c) == '~' )|| (char(c) == '!') || (char(c) == '@') || (char(c) == '#')\
                 ||(char(c) == '$') || (char(c) == '%') || (char(c) == '^') || (char(c) == '&')\
				 ||(char(c) == '*') || (char(c) == '(') || (char(c) == ')') || (char(c) == '-')\
				 ||(char(c) == '=') || (char(c) == '+') || (char(c) == '`') || (char(c) == ';')\
				 ||(char(c) == ':') || (char(c) == '"') || (char(c) == ',') || (char(c) == '<')\
				 ||(char(c) == '.' || char(c) == '>' || char(c) == '/' || char(c) == '?'\
				 ||char(c) == '{' || char(c) == '[' || char(c) == ']' || char(c) == '}'\
				 ||char(c) == '|' || char(c) == '\\' || c == VK_ESCAPE || c == VK_F1\
				 /*||c == VK_F2 || c == VK_F3 || c == VK_F4 || c == VK_F5 || c == VK_F6\
				 ||c == VK_F7 || c == VK_F8 || c == VK_F9 || c == VK_F10 || c == VK_F11\
				 ||c == VK_F12 || c == VK_RETURN || c == VK_TAB || c == VK_BACK\
				 ||c == VK_SPACE || c == VK_INSERT || c == VK_DELETE || c == VK_PRINT\
				 ||c == VK_MENU)*/

#define TERM(c) ((!IS_IDENTIFIER_SYM(c)) && ( c != VK_DOWN) && ( c != VK_UP ) && ( c != VK_HOME )\
                 &&( c != VK_END ) && (c != VK_LEFT ) && ( c != VK_RIGHT ) && ( c != VK_CAPITAL ) \
				 &&( c != VK_NUMLOCK ))

///////////////////////////////////////////////////////////////////////////////
int CCodeFinisherListBox::XPopupCtrlEvent::OnKeyDown (UINT nChar, UINT, UINT)
{
    
    if(TERM(nChar))
    {
       return CPopup::end;
    }
    return CPopup::doNothing;
}

///////////////////////////////////////////////////////////////////////////////
int CCodeFinisherListBox::XPopupCtrlEvent::OnLButtonDown (UINT, CPoint pt)
{
    METHOD_PROLOGUE_(CCodeFinisherListBox, PopupCtrlEvent);
    return CPopup::doNothing;
}

///////////////////////////////////////////////////////////////////////////////
int CCodeFinisherListBox::XPopupCtrlEvent::OnLButtonUp (UINT, CPoint pt)
{
    METHOD_PROLOGUE_(CCodeFinisherListBox, PopupCtrlEvent);
    return CPopup::doNothing;
}

//////////////////////////////////////////////////////////////////////////////
int CCodeFinisherListBox::XPopupCtrlEvent::OnLButtonDblClk(UINT nFlags,CPoint point)
{
    METHOD_PROLOGUE_(CCodeFinisherListBox, PopupCtrlEvent);
    return CPopup::end;
}

///////////////////////////////////////////////////////////////////////////////
IPopupCtrlEvent* CCodeFinisherListBox::XPopupCtrlEvent::GetInterfaceOf (HWND)
{
    // Not used here because this control doesn't include other controls
    return NULL;
}