// HeadCtrl.cpp : implementation file
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//
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#include "stdafx.h"
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#include "HeadCtrl.h"
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#include "CellCtrl.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#define NORML 0x00000000
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#define MERGE 0x00000001
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#define UNUSE 0x00000002
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#define SetFlag(n) DWORD(BYTE(n)<<16)
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#define GetFlag(d) int((d & 0x00FF0000)>>16)
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#define SetDown(n) DWORD(BYTE(n)<<8)
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#define GetDown(d) int((d & 0x0000FF00)>>8)
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#define SetRight(n) DWORD(BYTE(n))
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#define GetRight(d) int((d & 0x000000FF))
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/////////////////////////////////////////////////////////////////////////////
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// CHeadCtrl
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CHeadCtrl::CHeadCtrl()
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{
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m_bclick=FALSE;
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m_count=1;
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m_Info.SetSize(1);
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}
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CHeadCtrl::~CHeadCtrl()
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{
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m_Info.RemoveAll();
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}
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BEGIN_MESSAGE_MAP(CHeadCtrl, CHeaderCtrl)
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//{{AFX_MSG_MAP(CHeadCtrl)
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ON_WM_LBUTTONDBLCLK()
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ON_WM_LBUTTONDOWN()
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ON_WM_PAINT()
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ON_WM_LBUTTONUP()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CHeadCtrl message handlers
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int CHeadCtrl::GetHeadHeight()
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{
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CRect rect;
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GetItemRect(0, &rect);
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return rect.Height();
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}
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void CHeadCtrl::SetCount(int nCount, CFont* pFont)
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{
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LOGFONT logfont;
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pFont->GetLogFont(&logfont);
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m_count=nCount;
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FontChange(logfont);
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m_Info.SetSize(nCount);
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}
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void CHeadCtrl::DeleteColumn(int nCol)
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{
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int nSize = static_cast<int>(m_Info.GetSize());
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for( int i=0; i<nSize; i++)
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{
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if(m_Info[i].GetSize()>nCol)
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m_Info[i].RemoveAt(nCol);
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}
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}
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void CHeadCtrl::FontChange(LOGFONT logfont)
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{
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if(m_font.GetSafeHandle())
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m_font.DeleteObject();
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CFont font;
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m_font.CreateFontIndirect(&logfont);
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logfont.lfHeight-=m_count;
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logfont.lfHeight*=m_count;
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font.CreateFontIndirect(&logfont);
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SetFont(&font);
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font.DeleteObject();
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}
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void CHeadCtrl::InsertColumn(int nCol)
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{
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for( int i=0; i<m_count; i++)
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{
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CHeadCell hCell;
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m_Info[i].SetAtGrow(nCol, hCell);
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}
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}
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BOOL CHeadCtrl::SetItemText(int nItem, int nSubItem, LPCSTR lpcstr)
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{
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if(m_Info.GetSize()<=nItem)
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return 0;
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if(m_Info[nItem].GetSize()<=nSubItem)
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return 0;
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m_Info[nItem][nSubItem].string=lpcstr;
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return 1;
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}
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CString CHeadCtrl::GetItemText(int nItem, int nSubItem)
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{
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if(m_Info.GetSize()<=nItem)
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return "";
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if(m_Info[nItem].GetSize()<=nSubItem)
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return "";
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return m_Info[nItem][nSubItem].string;
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}
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BOOL CHeadCtrl::GetRect(int nItem, int nSubItem, CRect& rect)
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{
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CRect rectTemp;
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int down=0;
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int right=0;
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int nHeight=0;
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int nWidth=0;
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UINT nFlag=GetItemState(nItem, nSubItem, down, right);
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if(nFlag==UNUSE)
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return 0;
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GetItemRect(nSubItem, &rect);
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nHeight = rect.Height()/m_count;
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rect.top = nHeight * nItem ;
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rect.bottom= rect.top + ( nHeight * (down+1));
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for( int i=nSubItem+1; i<= nSubItem + right; i++)
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{
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GetItemRect(i, &rectTemp);
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nWidth += rectTemp.Width();
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}
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rect.right = rect.right + nWidth;
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return 1;
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}
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BOOL CHeadCtrl::SetItemMerge(int nsItem, int nsSubItem, int neItem, int neSubItem)
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{
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if(m_Info.GetSize()<=neItem) return 0;
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if(m_Info[neItem].GetSize()<=neSubItem)return 0;
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for( int i=nsItem; i<=neItem; i++)
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{
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for( int j=nsSubItem; j<=neSubItem; j++)
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{
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if(i==nsItem && j==nsSubItem)
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m_Info[i][j].state= SetFlag(MERGE) |
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SetDown(neItem-nsItem) |
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SetRight(neSubItem-nsSubItem);
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else
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m_Info[i][j].state=SetFlag(UNUSE);
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}
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}
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return 1;
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}
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UINT CHeadCtrl::GetItemState(int nItem, int nSubItem, int& down, int& right)
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{
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if(m_Info.GetSize()<=nItem)
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return 0;
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if(m_Info[nItem].GetSize()<=nSubItem)
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return 0;
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DWORD dw = m_Info[nItem][nSubItem].state;
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down =GetDown(dw);
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right=GetRight(dw);
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return GetFlag(dw);
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}
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void CHeadCtrl::OnPaint()
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{
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CPaintDC dc(this); // device context for painting
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CFont* pOldFont = NULL;
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dc.SetBkMode(TRANSPARENT );
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if(!m_font.GetSafeHandle())
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{
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pOldFont = dc.SelectObject(&m_font);
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}
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dc.SetBkColor(RGB(255,0,0));
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for( int i=0; i<m_count; i++)
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{
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for( int j=0; j<GetItemCount(); j++)
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{
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CRect rect;
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if(!GetRect(i, j, rect ))
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continue;
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if(!IsDraw(rect))
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continue;
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CString strText = GetItemText(i, j);
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if( rect.left<m_pnt.x && rect.right>m_pnt.x &&
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rect.top<m_pnt.y && rect.bottom>m_pnt.y && m_bclick)
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{
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dc.DrawEdge( &rect, EDGE_SUNKEN, BF_RECT | BF_SOFT);
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}
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else
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{
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dc.DrawEdge( &rect, EDGE_RAISED, BF_RECT | BF_SOFT);
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}
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BOOL bMulti = GetTextRect(&dc, strText, rect);
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if(bMulti)
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{
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dc.DrawText( strText, -1, rect,
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DT_CENTER | DT_VCENTER );
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}
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else
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{
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dc.DrawText( strText, -1, rect,
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DT_CENTER | DT_SINGLELINE | DT_VCENTER );
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}
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}
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}
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if(pOldFont)
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dc.SelectObject(pOldFont);
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}
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BOOL CHeadCtrl::GetTextRect(CDC* pDC, CString strText, CRect& rect)
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{
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int nCount=1, nStart=0;
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TEXTMETRIC metrics;
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while(1)
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{
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nStart = strText.Find('\n', nStart)+1;
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if(nStart < 1) break;
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nCount++;
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}
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if(nCount==1)
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return 0;
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pDC->GetOutputTextMetrics(&metrics) ;
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rect.top += ((rect.Height() - metrics.tmHeight * nCount)/2);
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return 1;
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}
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BOOL CHeadCtrl::IsDraw(CRect rect)
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{
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CRect rectCC;
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CCellCtrl* pCC=(CCellCtrl*)GetParent();
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pCC->GetClientRect(&rectCC);
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int nPos = pCC->GetScrollPos(SB_HORZ);
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if(nPos>rect.right)
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return 0;
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if((nPos+rectCC.Width())<rect.left)
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return 0;
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return 1;
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}
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void CHeadCtrl::OnLButtonDblClk(UINT nFlags, CPoint point)
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{
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Invalidate();
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CHeaderCtrl::OnLButtonDblClk(nFlags, point);
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}
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void CHeadCtrl::OnLButtonDown(UINT nFlags, CPoint point)
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{
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if(!m_bclick)
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{
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m_bclick=TRUE;
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m_pnt=point;
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}
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CHeaderCtrl::OnLButtonDown(nFlags, point);
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}
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void CHeadCtrl::OnLButtonUp(UINT nFlags, CPoint point)
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{
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if(m_bclick)
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{
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m_bclick=FALSE;
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Invalidate();
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}
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CHeaderCtrl::OnLButtonUp(nFlags, point);
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}
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