// LabelEx.cpp : implementation file
//

#include "stdafx.h"
#include "LabelEx.h"
#include "GlobalDefine.h"



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

/////////////////////////////////////////////////////////////////////////////
// CLabelEx

CLabelEx::CLabelEx()
{
	m_bClicked=FALSE;
	m_bOver=FALSE;
	m_bUnderLine=FALSE;
	m_bAutoUnderLine=FALSE;
	m_bBorder=FALSE;
	m_bHighLight=TRUE;
	m_bBackUnderLine=FALSE;

	m_crText=RGB(0,0,0);
	m_crBorder=RGB(0,0,0);
	m_crBG=RGB(255,255,255);
	m_crUnderLine=RGB(0,0,255);

	m_hHandCur=AfxGetApp()->LoadCursor(IDC_HAND);

       SetTextColor(RGB_RED);
       SetBkColor(RGB_GRAY);

       m_CurBmpID = 0;
 }

CLabelEx::~CLabelEx()
{
	if(m_BGBm.GetSafeHandle()!=NULL)
		m_BGBm.DeleteObject();
	if(m_MouseOverBGBm.GetSafeHandle()!=NULL)
		m_MouseOverBGBm.DeleteObject();
	if(m_ClickedBGBm.GetSafeHandle()!=NULL)
		m_ClickedBGBm.DeleteObject();
	if(m_LabelBm.GetSafeHandle()!=NULL)
		m_LabelBm.DeleteObject();
	if(m_MouseOverLabelBm.GetSafeHandle()!=NULL)
		m_MouseOverLabelBm.DeleteObject();
	if(m_ClickedLabelBm.GetSafeHandle()!=NULL)
		m_ClickedLabelBm.DeleteObject();
}


BEGIN_MESSAGE_MAP(CLabelEx, CStatic)
	//{{AFX_MSG_MAP(CLabelEx)
	ON_WM_PAINT()
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLabelEx message handlers

void CLabelEx::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	dc.SetTextColor(m_crText);
	dc.SetBkMode(TRANSPARENT);
	dc.SelectObject(this->GetFont());
	///准备工作
	CRect rect;
	CDC MemDC;
	CPen BorderPen,*pOldPen,UnderLinePen;
	CBrush BGBrush,*pOldBrush;
	BITMAP bm;

	this->GetClientRect(&rect);

	MemDC.CreateCompatibleDC(&dc);
	MemDC.SetMapMode(dc.GetMapMode());

	///画边框
	if(m_bBorder)
	{
		BorderPen.CreatePen(PS_SOLID,1,m_crBorder);
		BGBrush.CreateSolidBrush(m_crBG);

		pOldPen=dc.SelectObject(&BorderPen);
		pOldBrush=dc.SelectObject(&BGBrush);

		dc.Rectangle(&rect);

		dc.SelectObject(pOldPen);
		dc.SelectObject(pOldBrush);

		rect.DeflateRect(1,1);
	}
	///贴背景图
	if(m_bClicked && m_ClickedBGBm.GetSafeHandle()!=NULL)
	{
		MemDC.SelectObject(m_ClickedBGBm);
		dc.BitBlt(rect.left,rect.top,rect.Width(),rect.Height(),
			&MemDC,0,0,SRCCOPY);
	}
	else if(m_bOver && m_MouseOverBGBm.GetSafeHandle()!=NULL)//鼠标经过的时候
	{
		MemDC.SelectObject(m_MouseOverBGBm);
		dc.BitBlt(rect.left,rect.top,rect.Width(),rect.Height(),
			&MemDC,0,0,SRCCOPY);
	}
	else if(m_BGBm.GetSafeHandle()!=NULL)
	{
		MemDC.SelectObject(m_BGBm);
		dc.BitBlt(rect.left,rect.top,rect.Width(),rect.Height(),
			&MemDC,0,0,SRCCOPY);
	}
	///贴标签图片
	if(m_bClicked && m_ClickedLabelBm.GetSafeHandle()!=NULL)
	{
		m_ClickedLabelBm.GetBitmap(&bm);
		double fScal=bm.bmWidth*1.0/bm.bmHeight;
		MemDC.SelectObject(m_ClickedLabelBm);
		dc.StretchBlt(rect.left,rect.top,int(rect.Height()*fScal),rect.Height(),
			&MemDC,0,0,bm.bmWidth,bm.bmHeight,SRCCOPY);
	}
	else if(m_bOver && m_MouseOverLabelBm.GetSafeHandle()!=NULL)
	{
		m_MouseOverLabelBm.GetBitmap(&bm);
		double fScal=bm.bmWidth*1.0/bm.bmHeight;
		MemDC.SelectObject(m_MouseOverLabelBm);
		dc.StretchBlt(rect.left,rect.top,int(rect.Height()*fScal),rect.Height(),
			&MemDC,0,0,bm.bmWidth,bm.bmHeight,SRCCOPY);
	}
	else if(m_LabelBm.GetSafeHandle()!=NULL)
	{
		m_LabelBm.GetBitmap(&bm);
		double fScal=bm.bmWidth*1.0/bm.bmHeight;
		MemDC.SelectObject(m_LabelBm);
		dc.StretchBlt(rect.left,rect.top,int(rect.Height()*fScal),rect.Height(),
			&MemDC,0,0,bm.bmWidth,bm.bmHeight,SRCCOPY);
	}

	///输出文字
	TEXTMETRIC tm;
	dc.GetTextMetrics(&tm);
	CString strText1 = m_CurText1;
	CString strText2 = m_CurText2;
	if(strText1.GetLength()>0)
	{
              CRect TextRect = rect;
              int AdjustPos = -8;
              TextRect.bottom += AdjustPos;
              TextRect.top += AdjustPos;
              dc.DrawText(strText1, -1, &TextRect, DT_SINGLELINE| DT_VCENTER | DT_CENTER);
	}
	if(strText2.GetLength()>0)
	{
               CRect TextRect = rect;
               int AdjustPos = 12;
               TextRect.bottom += AdjustPos;
               TextRect.top += AdjustPos;
		dc.DrawText(strText2, -1, &TextRect, DT_SINGLELINE| DT_VCENTER | DT_CENTER);
	}
}

void CLabelEx::PreSubclassWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	DWORD dwStyle = GetStyle();
    ::SetWindowLong(GetSafeHwnd(), GWL_STYLE, dwStyle | SS_NOTIFY);
	
	SetFont(GetParent()->GetFont());
	CStatic::PreSubclassWindow();
}
void CLabelEx::SetTextColor(COLORREF crText)
{
	m_crText=crText;
}

void CLabelEx::SetUnderLine(BOOL bUnderLine, COLORREF crUnderLine)
{
	m_bUnderLine=bUnderLine;
	m_crUnderLine=crUnderLine;

}

void CLabelEx::SetBorder(BOOL bBorder, COLORREF crBorder)
{
	m_bBorder=bBorder;
	m_crBorder=crBorder;
}

void CLabelEx::SetBkColor(COLORREF crBkColor)
{
	m_crBG=crBkColor;

}

void CLabelEx::EnableAutoUnderLine(BOOL bAutoUnderLine)
{
	m_bAutoUnderLine=bAutoUnderLine;
	if(m_bAutoUnderLine)   ///设置了自动下划线
	{
		m_bBackUnderLine=m_bUnderLine;//保存原来下划线的状态
		m_bUnderLine=FALSE;
	}
	else   ///取消了自动下划线
	{
		m_bUnderLine=m_bBackUnderLine;//回复原来下划线的状态
	}
}

void CLabelEx::RedrawWindow()
{
	CStatic::RedrawWindow();
	//RECT rect;
	//this->GetWindowRect(&rect);
	//GetParent()->ScreenToClient(&rect);
	//GetParent()->InvalidateRect(&rect);
}

void CLabelEx::SetBGBitmap(UINT ID)
{
	if(m_BGBm.GetSafeHandle()!=NULL)
		m_BGBm.DeleteObject();
	m_BGBm.LoadBitmap(ID);

}

void CLabelEx::SetMouseOverBGBitmap(UINT ID)
{
	if(m_MouseOverBGBm.GetSafeHandle()!=NULL)
		m_MouseOverBGBm.DeleteObject();
	m_MouseOverBGBm.LoadBitmap(ID);
}

void CLabelEx::SetClickedBGBitmap(UINT ID)
{
	if(m_ClickedBGBm.GetSafeHandle()!=NULL)
		m_ClickedBGBm.DeleteObject();
	m_ClickedBGBm.LoadBitmap(ID);

}

void CLabelEx::SetLabelBitmap(UINT ID)
{
	if(m_LabelBm.GetSafeHandle()!=NULL)
		m_LabelBm.DeleteObject();
	m_LabelBm.LoadBitmap(ID);

}
void CLabelEx::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	m_bClicked=!m_bClicked;
	RedrawWindow();
	CStatic::OnLButtonDown(nFlags, point);
}

void CLabelEx::SetMouseOverLabelBitmap(UINT ID)
{
	if(m_MouseOverLabelBm.GetSafeHandle()!=NULL)
		m_MouseOverLabelBm.DeleteObject();
	m_MouseOverLabelBm.LoadBitmap(ID);

}

void CLabelEx::SetClickedLabelBitmap(UINT ID)
{
	if(m_ClickedLabelBm.GetSafeHandle()!=NULL)
		m_ClickedLabelBm.DeleteObject();
	m_ClickedLabelBm.LoadBitmap(ID);

}
///自动感应字体颜色
void CLabelEx::EnableHighLight(BOOL bHighLight)
{
	m_bHighLight=bHighLight;
}
void CLabelEx::SetLabelInfo(UINT ID,CString Text1,CString Text2)
{ 
      if(m_CurBmpID!=ID || Text1 != m_CurText1|| Text2 != m_CurText2)
      {
           m_CurText1 = Text1;
           m_CurText2 = Text2;
           m_CurBmpID = ID;
           SetLabelBitmap(ID);
           RedrawWindow();//重绘
      }
}