gfxoutbarctrl.cpp

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		else 
			rect.SetRect(rc.left, rc.top + iIndex * iFolderHeight - 1, rc.right, 
			rc.top + (1 + iIndex) * iFolderHeight - 1);
		return true;
	}
	return false;
}

void CGfxOutBarCtrl::GetItemRect(const int iFolder, const int iIndex, CRect & rect)
{
	CRect rc;
	GetInsideRect(rc);
	int top = rc.top;
	CSize sz(0,0);
	int y = 0;
	for (int t = 0; t < iIndex; t++)
	{
		sz = GetItemSize(iFolder, t, ircAll);
		top += sz.cy;

		if (IsSmallIconView()) 
		{
			top += ySmallIconSpacing; 
		}
		else 
		{
			top += yLargeIconSpacing;
		}
		if (t == iFirstItem - 1) y = top - rc.top;
	}
	sz = GetItemSize(iFolder, iIndex, ircAll);
	rect.SetRect(rc.left, top, rc.left + sz.cx, top + sz.cy);

	rect.top -= y;
	rect.bottom -= y;

	rect.left += xLeftMargin;
	rect.top  += yTopMargin;
	rect.bottom += yTopMargin;

	if (!IsSmallIconView()) 
	{
		rect.left = rc.left;
		rect.right = rc.right;
	}
}

void CGfxOutBarCtrl::DrawFolder(CDC * pDC, const int iIdx, CRect rect, const bool bSelected)
{
	CBarFolder * pbf = (CBarFolder *) arFolder.GetAt(iIdx);

	if (!bSelected)
	{
		CPen pn1(PS_SOLID, 1, crBackGroundColor1);
		CPen * op = pDC->SelectObject(&pn1);
		pDC->MoveTo(rect.left, rect.top);
		pDC->LineTo(rect.right, rect.top);
		pDC->SelectObject(op);

		rect.top ++;

		pDC->Draw3dRect(rect, crHilightBorder, crBackGroundColor1);
		rect.InflateRect(-1,-1);
		pDC->FillSolidRect(rect, cr3dFace);
		int obk = pDC->SetBkMode(TRANSPARENT);
		CFont * of = pDC->SelectObject(CFont::FromHandle((HFONT)GetStockObject(DEFAULT_GUI_FONT)));
		pDC->DrawText(CString(pbf->cName), rect, DT_CENTER|DT_VCENTER|DT_SINGLELINE);
		pDC->SetBkMode(obk);
		pDC->SelectObject(of);
	}
	else
	{
		CPen pn1(PS_SOLID, 1, crBackGroundColor1);
		CPen * op = pDC->SelectObject(&pn1);
		pDC->MoveTo(rect.left+1, rect.top);
		pDC->LineTo(rect.right, rect.top);
		pDC->SelectObject(op);

		rect.top ++;

		pDC->Draw3dRect(rect, crDkShadowBorder, crHilightBorder);
		rect.InflateRect(-1,-1);
		pDC->Draw3dRect(rect, crBackGroundColor1, cr3dFace);
		rect.InflateRect(-1,-1);

		pDC->FillSolidRect(rect, cr3dFace);

		int obk = pDC->SetBkMode(TRANSPARENT);
		CFont * of = pDC->SelectObject(CFont::FromHandle((HFONT)GetStockObject(DEFAULT_GUI_FONT)));
		pDC->DrawText(CString(pbf->cName), rect, DT_CENTER|DT_VCENTER|DT_SINGLELINE);
		pDC->SetBkMode(obk);
		pDC->SelectObject(of);
	}
}

int CGfxOutBarCtrl::AddFolder(const char * cFolderName, const DWORD exData)
{
	CBarFolder * pbf = new CBarFolder(cFolderName, exData);
	ASSERT(pbf);
	arFolder.Add((void *)pbf);

	return arFolder.GetSize() - 1;
}

CGfxOutBarCtrl::CBarFolder::CBarFolder(const char * name, DWORD exData)
{
	cName = NULL;
	dwData = exData;

	if (name)
	{
		cName = new char[lstrlen(name)+1];
		ASSERT(cName);
		lstrcpy(cName, name);
	}
	pLargeImageList = NULL;
	pSmallImageList = NULL;
	pChild = NULL;
}

CGfxOutBarCtrl::CBarFolder::~CBarFolder()
{
	if (cName) delete [] cName;
	for (int t = 0; t < arItems.GetSize(); t++)
		if (arItems.GetAt(t)) delete (CBarFolder*) arItems.GetAt(t);

	arItems.RemoveAll();
}

void CGfxOutBarCtrl::GetInsideRect(CRect & rect) const
{
	GetClientRect(rect);
	if (arFolder.GetSize() > 0)
	{
		int max = arFolder.GetSize();
		rect.top += iFolderHeight * (iSelFolder + 1) - 1;//+ 2;
		rect.bottom -= (max - iSelFolder - 1)*iFolderHeight;
		return;
	}
}

void CGfxOutBarCtrl::OnMouseMove(UINT nFlags, CPoint point) 
{
	int index, ht = HitTestEx(point, index);

	if (ht != htFolder && iLastFolderHighlighted >= 0) HighlightFolder(-1);
	if (ht != htItem   && iLastItemHighlighted   >= 0) HighlightItem(-1);

	if (ht == htFolder)
	{
		HighlightFolder(index);
		SetTimer(1,10,NULL);//此定时器用来指示鼠标移过图标或目录时的动画。
	}
	else if (ht == htItem)
	{
		HighlightItem(index);
		SetTimer(1,10,NULL);
	}

	CWnd::OnMouseMove(nFlags, point);
}

int CGfxOutBarCtrl::HitTestEx(const CPoint & point, int &index)
{
	if (bUpArrow && rcUpArrow.PtInRect(point)) return htUpScroll;
	if (bDownArrow && rcDownArrow.PtInRect(point)) return htDownScroll;

	int max = arFolder.GetSize(), t;

	CRect rc;
	for (t = 0; t < max; t++)
	{
		GetFolderRect(t, rc);
		if (rc.PtInRect(point)) 
		{
			index = t;
			return htFolder;
		}
	}
	GetInsideRect(rc);
	CBarFolder * pbf = (CBarFolder *) arFolder.GetAt(iSelFolder);
	max = pbf->GetItemCount();
	for (t = iFirstItem; t < max; t++)
	{
		CBarItem * pi = (CBarItem *) pbf->arItems.GetAt(t);
		CRect itemRc;
		if (!IsSmallIconView()) 
		{
			GetIconRect(iSelFolder, t, itemRc);
			if (itemRc.PtInRect(point))
			{
				index = t;
				return htItem;
			}
			else if (itemRc.top > rc.bottom) break;
			GetLabelRect(iSelFolder, t, itemRc);
			itemRc.top -= yLargeIconLabelOffset;

			if (itemRc.PtInRect(point))
			{
				index = t;
				return htItem;
			}
			else if (itemRc.top > rc.bottom) break;
		}
		else
		{
			GetItemRect(iSelFolder, t, itemRc);
			if (itemRc.PtInRect(point))
			{
				index = t;
				return htItem;
			}
			else if (itemRc.top > rc.bottom) break;
		}
	}
	return htNothing;
}

void CGfxOutBarCtrl::HighlightFolder(const int index)
{
	CWnd * pf = GetFocus();
	if (pf != NULL && pf != this && IsChild(pf)) return;

	if (iLastFolderHighlighted == index) return;

	if (iLastFolderHighlighted >= 0)
	{
		CRect rc;
		if (GetFolderRect(iLastFolderHighlighted, rc))
		{
			CClientDC dc(this);
			CPen pn(PS_SOLID, 1, crBackGroundColor1);//crShadowBorder);
			CPen * op = dc.SelectObject(&pn);
			dc.MoveTo(rc.left, rc.bottom-1);
			dc.LineTo(rc.right-1, rc.bottom-1);
			dc.LineTo(rc.right-1, rc.top);
			CPen pn1(PS_SOLID, 1, cr3dFace);
			dc.SelectObject(&pn1);
			dc.MoveTo(rc.left+1, rc.bottom-2);
			dc.LineTo(rc.right-2, rc.bottom-2);
			dc.LineTo(rc.right-2, rc.top+1);
			dc.SelectObject(op);
		}
	}
	iLastFolderHighlighted = index;
	if (iLastFolderHighlighted >= 0)
	{
		CRect rc;
		if (GetFolderRect(iLastFolderHighlighted, rc))
		{
			CClientDC dc(this);
			CPen pn(PS_SOLID, 1, crDkShadowBorder);
			CPen * op = dc.SelectObject(&pn);
			dc.MoveTo(rc.left, rc.bottom-1);
			dc.LineTo(rc.right-1, rc.bottom-1);
			dc.LineTo(rc.right-1, rc.top);
			CPen pn1(PS_SOLID, 1, crBackGroundColor1);
			dc.SelectObject(&pn1);
			dc.MoveTo(rc.left+1, rc.bottom-2);
			dc.LineTo(rc.right-2, rc.bottom-2);
			dc.LineTo(rc.right-2, rc.top+1);
			dc.SelectObject(op);
		}
	}
}
void CGfxOutBarCtrl::OnLButtonDblClk(UINT nFlags, CPoint point)
{
    //把消息分开来处理
    //这里，应该弹出对话框
    //在哪里才能删除这个对话框所占用的内存呢
    Y_Msg *DispMsg = new Y_Msg;
    int tempIndex=0;
    int tempIndexMsg=-1;
    int tempData;
	int index, ht = HitTestEx(point, index);
    if(ht ==htItem)
    {
		CBarFolder * pbf = (CBarFolder *) arFolder.GetAt(iSelFolder);
		CBarItem * piFrom = (CBarItem *) pbf->arItems.GetAt(index);
//        InsertItem(idx, piFrom->OnLineUser, piFrom->cItem ,piFrom->iImageIndex , piFrom->dwData,piFrom->IsAnimDisp);

        for(int tempIndex=0;tempIndex<MAXFRIENDSIZE;tempIndex++)
        {
                if(SockUserDef.Friend[tempIndex].Friend==piFrom->OnLineUser)
                {
                    if(SockUserDef.Friend[tempIndex].RcvBuffer.GetSize())
                    {
                        if(SockUserDef.Friend[tempIndex].OnOrDown)
                        {
                            tempData=1;
                        }
                        else
                        {
                            tempData=0;
                        }
        //下面这一句，应该写在对话框中。
        //当对话框显示一条消息，就相应地删除一条消息
	                    InsertItem(SockUserDef.Friend[tempIndex].Foder,
                                SockUserDef.Friend[tempIndex].Friend ,
                                SockUserDef.Friend[tempIndex].Name ,
                                SockUserDef.Friend[tempIndex].ImgIndex*3+tempData,
                                SockUserDef.Friend[tempIndex].OnOrDown,0);

                        tempIndexMsg=tempIndex;
                        RedrawWindow ();
                    }

                    DispMsg->FriendID=SockUserDef.Friend[tempIndex].Friend;
                    DispMsg->FriendIndex=tempIndexMsg;
                    DispMsg->Create (IDD_MESSAGE);
                    DispMsg->ShowWindow (SW_SHOW);


                    break;
                }
        }

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

	int index, ht = HitTestEx(point, index);
	iLastDragItemDrawType = -1;

	CRect inRc;
	GetInsideRect(inRc);

	if (ht == htFolder)
	{
		bool bHigh = true;
		CRect rc;
		GetFolderRect(index, rc);

		if (::GetCapture() == NULL)
		{
			SetCapture();
			ASSERT(this == GetCapture());
			CClientDC dc(this);
			DrawFolder(&dc, index, rc, true);
			AfxLockTempMaps();
			for (;;)
			{
				MSG msg;
				VERIFY(::GetMessage(&msg, NULL, 0, 0));

				if (CWnd::GetCapture() != this) break;

				switch (msg.message)
				{
				case WM_MOUSEMOVE:
					{
						CPoint pt(msg.lParam);
						int idx, ht1 = HitTestEx(pt, idx);
						if (ht1 == htFolder && idx == index)
						{
							if (!bHigh)
							{
								DrawFolder(&dc, index, rc, true);
								bHigh = true;
							}
						}
						else
						{
							if (bHigh)
							{
								DrawFolder(&dc, index, rc, false);
								bHigh = false;
							}
						}
					}
					break;

				case WM_LBUTTONUP://鼠标在目录上UP
					{
						if (bHigh)
						{
							DrawFolder(&dc, index, rc, false);
							bHigh = false;
						}
						CPoint pt(msg.lParam);
						int idx, ht1 = HitTestEx(pt, idx);
						if (ht1 == htFolder && idx != iSelFolder)
							SetSelFolder(idx);
					}

					goto ExitLoop2;

				case WM_KEYDOWN:	
					if (msg.wParam != VK_ESCAPE) 
						break;

				default:
					DispatchMessage(&msg);
					break;
				}
			}

		ExitLoop2:
			ReleaseCapture();
			AfxUnlockTempMaps(FALSE);
		}
		if (bHigh) InvalidateRect(rc, false);
	}
	else iLastSelectedFolder = -1;

	if (ht == htItem)
	{
		iLastDragItemDraw = -1;
		bool bHigh = true, bDragging = false;
		CRect rc;
		GetItemRect(iSelFolder, index, rc);

		HCURSOR hCur = GetCursor();

		if (::GetCapture() == NULL)
		{
			SetCapture();
			ASSERT(this == GetCapture());
			CClientDC dc(this);
			HighlightItem(index, true);
			AfxLockTempMaps();
			for (;;)
			{
				MSG msg;
				VERIFY(::GetMessage(&msg, NULL, 0, 0));

				if (CWnd::GetCapture() != this) break;

				switch (msg.message)
				{
				case WM_MOUSEMOVE:
					{
						CPoint pt(msg.lParam);
						int idx, ht1 = HitTestEx(pt, idx);
						if (bDragging)
						{//在拖动模式下，只允许跨目录拖动
							if (ht1 == 0) 
							{
//								DrawDragArrow(&dc, index, idx);
								SetCursor(hDragCursor);
								hCur = hDragCursor;
							}
							else 
							{
								CRect rcItem;
								GetItemRect(iSelFolder, GetItemCount() - 1, rcItem);
								if (pt.y > rcItem.bottom && pt.y < inRc.bottom)
								{
									DrawDragArrow(&dc, index, GetItemCount());
									SetCursor(hDragCursor);
									hCur = hDragCursor;
								}
								else
								{
									DrawDragArrow(&dc, index, -1);
									SetCursor(hNoDragCursor);
									hCur = hNoDragCursor;
								}
							}
						}
						else
						{
							if (ht1 == htItem && idx == index)
							{
								if (!bHigh)
								{
									HighlightItem(index, true);
									bHigh = true;
									bPressedHighlight = true;
								}
							}
							else 
							{
								if (ht1 == htItem)
								{
									if (bHigh)
									{
										HighlightItem(index, false);
										bHigh = false;
										bPressedHighlight = false;
									}
								}
								else
								{
									if (dwFlags&fDragItems)
									{
										HighlightItem(index, true);