📄 jnbmpbutton.cpp

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// JnBmpButton.cpp : implementation file
//

#include "stdafx.h"
#include "Prog.h"
#include "JnBmpButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// JnBmpButton

JnBmpButton::JnBmpButton()
{
	m_nType = 0;
	nMouseState=0;
	m_bMouseCaptured=FALSE;
	m_bSetFocus=FALSE;
	sTitle="";
	crNormal=RGB(0,0,0);
	crActive=RGB(0,0,255);
	bEnableWnd=TRUE;
	p_bmpIn=NULL;     //没有获得焦点，鼠标进入的弹起图象
	p_bmpOut=NULL;    //失去焦点时的背景图象
	p_bmpDown=NULL;   //按下时的背景图象
	p_bmpFalse=NULL;  //不能用时候的图象
	::GetObject((HFONT)GetStockObject(DEFAULT_GUI_FONT),sizeof(m_lf),&m_lf);
	m_font.CreateFontIndirect(&m_lf);
	bHS=TRUE;
}

JnBmpButton::~JnBmpButton()
{
}


BEGIN_MESSAGE_MAP(JnBmpButton, CButton)
	//{{AFX_MSG_MAP(JnBmpButton)
	ON_WM_ERASEBKGND()
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	ON_WM_SETFOCUS()
	ON_WM_KILLFOCUS()
	ON_WM_KEYDOWN()
	ON_WM_KEYUP()
	ON_WM_CTLCOLOR()
	ON_WM_LBUTTONUP()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// JnBmpButton message handlers

BOOL JnBmpButton::OnEraseBkgnd(CDC* pDC) 
{
	CFont* pOldFont;
	CRect rc;
	GetClientRect(rc);
	int x = 0, y = 0;
	if(sTitle=="")
		GetWindowText(sTitle);
	CSize s;
	switch(nMouseState)
	{
	case 0:
		if(p_bmpOut==NULL)
		{
			if(m_bmpOut.m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - m_bmpOut.GetWidth()) / 2;
				y = (rc.Height() - m_bmpOut.GetHeight()) / 2;
				m_bmpOut.DrawDIB(pDC, x, y);
				pOldFont=pDC->SelectObject(&m_font);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(crNormal);
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		else
		{
			if(p_bmpOut->m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - p_bmpOut->GetWidth()) / 2;
				y = (rc.Height() - p_bmpOut->GetHeight()) / 2;
				p_bmpOut->DrawDIB(pDC, x, y);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pOldFont=pDC->SelectObject(&m_font);
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(crNormal);
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		break;
	case 1:
		if(p_bmpIn==NULL)
		{
			if(m_bmpIn.m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - m_bmpIn.GetWidth()) / 2;
				y = (rc.Height() - m_bmpIn.GetHeight()) / 2;
				m_bmpIn.DrawDIB(pDC, x, y);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pOldFont=pDC->SelectObject(&m_font);
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(crActive);
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		else
		{
			if(p_bmpIn->m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - p_bmpIn->GetWidth()) / 2;
				y = (rc.Height() - p_bmpIn->GetHeight()) / 2;
				p_bmpIn->DrawDIB(pDC, x, y);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pOldFont=pDC->SelectObject(&m_font);
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(crActive);
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		break;
	case 2:
		if(p_bmpDown==NULL)
		{
			if(m_bmpDown.m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - m_bmpDown.GetWidth()) / 2;
				y = (rc.Height() - m_bmpDown.GetHeight()) / 2;
				m_bmpDown.DrawDIB(pDC, x, y);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pOldFont=pDC->SelectObject(&m_font);
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(crActive);
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		else
		{
			if(p_bmpDown->m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - p_bmpDown->GetWidth()) / 2;
				y = (rc.Height() - p_bmpDown->GetHeight()) / 2;
				p_bmpDown->DrawDIB(pDC, x, y);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pOldFont=pDC->SelectObject(&m_font);
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(crActive);
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		break;
	case 3:
		if(p_bmpOut==NULL)
		{
			if(m_bmpOut.m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - m_bmpOut.GetWidth()) / 2;
				y = (rc.Height() - m_bmpOut.GetHeight()) / 2;
				m_bmpOut.DrawDIB(pDC, x, y);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pOldFont=pDC->SelectObject(&m_font);
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(crActive);
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		else
		{
			if(p_bmpOut->m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - p_bmpOut->GetWidth()) / 2;
				y = (rc.Height() - p_bmpOut->GetHeight()) / 2;
				p_bmpOut->DrawDIB(pDC, x, y);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pOldFont=pDC->SelectObject(&m_font);
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(crActive);
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		break;
	case 4:
		if(p_bmpFalse==NULL)
		{
			if(m_bmpFalse.m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - m_bmpFalse.GetWidth()) / 2;
				y = (rc.Height() - m_bmpFalse.GetHeight()) / 2;
				m_bmpFalse.DrawDIB(pDC, x, y);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pOldFont=pDC->SelectObject(&m_font);
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(RGB(128,128,128));
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		else
		{
			if(p_bmpFalse->m_bImage) 
			{
				CButton::OnEraseBkgnd(pDC);
				x = (rc.Width() - p_bmpFalse->GetWidth()) / 2;
				y = (rc.Height() - p_bmpFalse->GetHeight()) / 2;
				p_bmpFalse->DrawDIB(pDC, x, y);
				if(bHS)
					rc.top=(int)(rc.Height()/2-6);
				else
				{
					s=pDC->GetTextExtent(sTitle);
					if(s.cx<rc.Height()) //如果文本的高度短于描绘的高度
						rc.top=(int)((rc.Height()-s.cx)/2)+6;
					else 
						rc.top=6;
				}
				pOldFont=pDC->SelectObject(&m_font);
				pDC->SetBkMode(TRANSPARENT);
				pDC->SetTextColor(RGB(128,128,128));
				pDC->DrawText(sTitle,rc,DT_CENTER+DT_VCENTER);
				pDC->SelectObject(pOldFont);
			}
			else
				return CButton::OnEraseBkgnd(pDC);
		}
		break;
	}
	return TRUE;
}

BOOL JnBmpButton::SetBitmap(UINT nOut,UINT nIn,UINT nDown, UINT nFalse)
{
	if(nOut==0 || nIn==0 || nDown==0)
		return FALSE;
	if(!m_bmpOut.Load(nOut))
		return FALSE;
	if(!m_bmpIn.Load(nIn))
		return FALSE;
	if(!m_bmpDown.Load(nDown))
		return FALSE;
	if(!m_bmpFalse.Load(nFalse))
		return FALSE;
	return TRUE;
}

BOOL JnBmpButton::SetBitmap(CString StrOut, CString StrIn,CString StrDown, CString StrFalse)
{
	if(!m_bmpOut.Load(StrOut))
		return FALSE;
	if(!m_bmpIn.Load(StrIn))
		return FALSE;
	if(!m_bmpDown.Load(StrDown))
		return FALSE;
	if(!m_bmpFalse.Load(StrFalse))
		return FALSE;
	return TRUE;
}

void JnBmpButton::OnMouseMove(UINT nFlags, CPoint point) 
{
	CButton::OnMouseMove(nFlags,point);
	if (!m_bMouseCaptured || GetCapture()!=this)
	{
		SetCapture();
		m_bMouseCaptured=TRUE;
		OnMouseEnter(nFlags,point);
	} 
	else
	{
		CRect rc;
		GetClientRect(&rc);
		if (!rc.PtInRect(point))
		{
			OnMouseLeave(nFlags,point);
			m_bMouseCaptured=FALSE;
			ReleaseCapture();
		}
	}
}

void JnBmpButton::OnLButtonDown(UINT nFlags, CPoint point) 
{
	CButton::OnLButtonDown(nFlags, point);
	if(!CheckEnable())
		return;
	if(nMouseState!=2)
	{
		nMouseState=2;
		Invalidate();
	}
}

void JnBmpButton::OnMouseLeave(UINT nFlags, CPoint point)
{
	if(!CheckEnable())
		return;
	if(!m_bSetFocus)
	{
		if(nMouseState!=0)
		{
			nMouseState=0;
			Invalidate();
		}
	}
	else
	{
		if(nMouseState!=3)
		{
			nMouseState=3;
			Invalidate();
		}
	}
}

void JnBmpButton::OnMouseEnter(UINT nFlags, CPoint point)
{
	if(!CheckEnable())
		return;
	switch(nFlags)
	{
	case 0:
		if(nMouseState!=1)
		{
			nMouseState=1;
			Invalidate();
		}
		break;
	case 1:
		if(nMouseState!=2)
		{
			nMouseState=2;
			Invalidate();
		}
		break;
	}
}

void JnBmpButton::OnSetFocus(CWnd* pOldWnd) 
{
	if(!CheckEnable())
		return;
	CButton::OnSetFocus(pOldWnd);
	m_bSetFocus=TRUE;
	if(m_bMouseCaptured)
	{
		if(nMouseState!=1)
		{
			nMouseState=1;
			Invalidate();
		}
	}
	else
	{
		if(nMouseState!=3)
		{
			nMouseState=3;
			Invalidate();
		}
	}
}

void JnBmpButton::OnKillFocus(CWnd* pNewWnd) 
{
	CButton::OnKillFocus(pNewWnd);
	m_bSetFocus=FALSE;
	if(nMouseState!=0)
	{
		nMouseState=0;
		Invalidate();
	}
	if(!CheckEnable())
		return;
}

void JnBmpButton::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	CButton::OnKeyDown(nChar, nRepCnt, nFlags);
	if(!CheckEnable())
		return;
	if(nMouseState!=2)
	{
		nMouseState=2;
		Invalidate();
	}
}

void JnBmpButton::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	CButton::OnKeyUp(nChar, nRepCnt, nFlags);
	if(!CheckEnable())
		return;
	if(nMouseState!=3)
	{
		nMouseState=3;
		Invalidate();
	}
}

void JnBmpButton::SetText(CString &str)
{
	sTitle=str;
}

void JnBmpButton::SetTextColor(COLORREF color1, COLORREF color2)
{
	crNormal=color1;
	crActive=color2;
}

void JnBmpButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{

}

void JnBmpButton::PreSubclassWindow() 
{
	SetButtonStyle(GetButtonStyle() | BS_OWNERDRAW);
	CButton::PreSubclassWindow();
}

BOOL JnBmpButton::EnableWindow(BOOL bEnable)
{
	if(!bEnable)
		nMouseState=4;
	else
		nMouseState=0;
	bEnableWnd=bEnable;
	Invalidate();
	return CButton::EnableWindow(bEnable);
}

BOOL JnBmpButton::CheckEnable()
{
	if(!bEnableWnd)
	{
		if(nMouseState!=4)
		{
			nMouseState=4;
			Invalidate();
		}
		return FALSE;
	}
	else
		return TRUE;
}

BOOL JnBmpButton::PreTranslateMessage(MSG* pMsg) 
{
	if(pMsg->message==WM_KEYDOWN)
	{
		if(pMsg->wParam==13)
		{
			SendMessage(WM_LBUTTONDOWN);
			SendMessage(WM_LBUTTONUP);
			return TRUE;
		}
	}
	return CButton::PreTranslateMessage(pMsg);
}

void JnBmpButton::OnLButtonUp(UINT nFlags, CPoint point) 
{
//	AfxMessageBox("Up");
	CButton::OnLButtonUp(nFlags, point);
}

void JnBmpButton::Copy(JnBmpButton &buttonSet)
{
	p_bmpIn=&buttonSet.m_bmpIn;
	p_bmpOut=&buttonSet.m_bmpOut;
	p_bmpDown=&buttonSet.m_bmpDown;
	p_bmpFalse=&buttonSet.m_bmpFalse;
}

void JnBmpButton::SetTextNormalColor(COLORREF color1)
{
	crNormal=color1;
	Invalidate();
}

void JnBmpButton::ReconstructFont()
{
	m_font.DeleteObject();
	BOOL bCreated = m_font.CreateFontIndirect(&m_lf);
	ASSERT(bCreated);
	SetFont(&m_font);
}

void JnBmpButton::SetFontName(const CString &strFont)
{
	strcpy(m_lf.lfFaceName,strFont);
	ReconstructFont();
	RedrawWindow();
}

void JnBmpButton::SetFontSize(int nSize)
{
	nSize=-theApp.jns.DoubleToInt(nSize*1.333);
	m_lf.lfHeight = nSize;
	ReconstructFont();
	RedrawWindow();
}

void JnBmpButton::SetText(CString str)
{
	sTitle=str;
}
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