www.pudn.com > clking_src.rar > GuiLinkButton.cpp

//-----------------------------------------------------------------------// 
// This is a part of the GuiLib MFC Extention.							 //	 
// Autor  :  Francisco Campos											 // 
// (C) 2002 Francisco Campos  All rights reserved     // 
// This code is provided "as is", with absolutely no warranty expressed  // 
// or implied. Any use is at your own risk.								 //		 
// You must obtain the author's consent before you can include this code // 
// in a software library.												 // 
// If the source code in  this file is used in any application			 // 
// then acknowledgement must be made to the author of this program		 //	 
// fcampos@tutopia.com													 // 
//-----------------------------------------------------------------------// 
 
#include "stdafx.h" 
#include "GuiLinkButton.h" 
#include "Resource.h" 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CGuiLinkButton 
 
CGuiLinkButton::CGuiLinkButton() 
{ 
	m_clNormal=RGB(0,0,200); 
	m_clover=RGB(0,0,255); 
	m_Link=""; 
	m_cfont.CreateFont(14,0,0,0,400,0,1,0,0,1,2,1,34,"Arial"); 
	m_iSelected=0; 
	m_rectMsg.SetRectEmpty( ); 
	m_bFirstPas=TRUE; 
} 
 
CGuiLinkButton::~CGuiLinkButton() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CGuiLinkButton, CButton) 
	//{{AFX_MSG_MAP(CGuiLinkButton) 
	ON_WM_ERASEBKGND() 
	ON_WM_MOUSEMOVE() 
	ON_WM_TIMER() 
	ON_WM_LBUTTONDOWN() 
	ON_WM_CREATE() 
	ON_WM_SETCURSOR() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CGuiLinkButton message handlers 
 
void CGuiLinkButton::SetColorNormal(COLORREF m_clnor) 
{ 
	m_clNormal=m_clnor; 
} 
void CGuiLinkButton::SetColorSelect(COLORREF m_clselec) 
{ 
	m_clover=m_clselec; 
} 
void CGuiLinkButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)  
{ 
	// TODO: Add your code to draw the specified item 
	CDC* pDC=CDC::FromHandle(lpDrawItemStruct->hDC); 
	CRect m_rect=lpDrawItemStruct->rcItem; 
	CSize SizeCad=CSize(0,0); 
	int m_iStatus=lpDrawItemStruct->itemState; 
	int m_iMode; 
	int m_iposx; 
	int m_iposy; 
	CBrush cb; 
	cb.CreateSysColorBrush(COLOR_BTNFACE);  
	static CPoint pt=CPoint(2,1); 
	CString m_sCaption; 
	GetWindowText(m_sCaption); 
	 
	//se calcula la posición exacta del texto para que solo se  
	//seleccione cuando se encuentre el puntero en el rectangulo 
	SizeCad=pDC->GetTextExtent(m_sCaption); 
	if (m_bFirstPas==TRUE) 
	{ 
	if (SizeCad.cx < m_rect.Width()) 
	{ 
		pDC->FillRect(m_rect,&cb); 
		m_iposx=m_rect.Width()-(SizeCad.cx+30); 
		m_iposy=m_rect.Height()-SizeCad.cy; 
		m_rectMsg=m_rect; 
		m_rectMsg.bottom=m_rect.bottom-(m_iposy-2); 
		m_rectMsg.right=m_rect.right-(m_iposx); 
		 
		SetWindowPos (NULL, m_rectMsg.left, m_rectMsg.top,m_rectMsg.right, m_rectMsg.bottom, 
			SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER); 
		m_bFirstPas=FALSE; 
		 
	} 
	} 
	m_iMode=pDC->SetBkMode(TRANSPARENT); 
	CFont* m_OldFont=pDC->SelectObject(&m_cfont); 
	if (m_iSelected==1) 
		pDC->SetTextColor(m_clover); 
	else 
		pDC->SetTextColor(m_clNormal); 
	pDC->DrawState(pt, SizeCad, m_sCaption, (m_iStatus==ODS_DISABLED)?DSS_DISABLED:DSS_NORMAL, TRUE, 0, (CBrush*)NULL); 
	pDC->SelectObject(m_OldFont); 
	pDC->SetBkMode(m_iMode); 
} 
 
void CGuiLinkButton::PreSubclassWindow()  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	ModifyStyle(0,BS_OWNERDRAW); 
	CButton::PreSubclassWindow(); 
} 
 
BOOL CGuiLinkButton::PreTranslateMessage(MSG* pMsg)  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	if (GetSafeHwnd() == NULL) return FALSE; 
	if (pMsg->message== WM_MOUSEMOVE) 
		if (m_ToolTipCtrl.GetSafeHwnd()) 
			m_ToolTipCtrl.RelayEvent(pMsg); 
	return CButton::PreTranslateMessage(pMsg); 
} 
 
BOOL CGuiLinkButton::OnEraseBkgnd(CDC* pDC)  
{ 
	// TODO: Add your message handler code here and/or call default 
	 
	return TRUE; 
} 
 
void CGuiLinkButton::OnMouseMove(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	::SetCursor(::LoadCursor(NULL,MAKEINTRESOURCE(32649)));//IDC_HAND)); 
 	 
	CRect m_rect; 
	GetClientRect(&m_rect); 
	if (m_iSelected == 1) return; 
	if (m_rect.PtInRect(point)) 
	{ 
		m_iSelected =1; 
		Invalidate(); 
		UpdateWindow(); 
		SetTimer(1,100,NULL); 
		} 
	 
	CButton::OnMouseMove(nFlags, point); 
} 
 
void CGuiLinkButton::OnTimer(UINT nIDEvent)  
{ 
	// TODO: Add your message handler code here and/or call default 
	 
	if(nIDEvent== 1) 
	{ 
		CPoint pt=GetMessagePos(); 
		ScreenToClient(&pt); 
		if (!m_rectMsg.PtInRect(pt)) 
		{ 
			m_iSelected=0; 
			Invalidate(); 
			UpdateWindow(); 
			KillTimer(1); 
		} 
	} 
	CButton::OnTimer(nIDEvent); 
} 
 
void CGuiLinkButton::SetToolTip(LPCSTR m_lpMsg) 
{ 
	if (GetSafeHwnd()== NULL) return; 
	if (m_lpMsg != NULL) 
	{ 
		if (m_ToolTipCtrl.GetSafeHwnd () == NULL)  
		{ 
			m_ToolTipCtrl.Create(this,TTS_ALWAYSTIP); 
			m_ToolTipCtrl.Activate(TRUE); 
			m_ToolTipCtrl.AddTool(this,m_lpMsg); 
		} 
		else 
		{ 
			m_ToolTipCtrl.UpdateTipText(m_lpMsg,this);	 
		} 
	} 
	else 
	{ 
		if (m_ToolTipCtrl.GetSafeHwnd () == NULL)  
		{ 
			m_ToolTipCtrl.Create(this,TTS_ALWAYSTIP); 
			m_ToolTipCtrl.AddTool(this,m_lpMsg); 
		} 
		else 
			m_ToolTipCtrl.UpdateTipText(m_lpMsg,this);	 
		m_ToolTipCtrl.Activate(FALSE); 
	} 
} 
 
void CGuiLinkButton::SetLink(LPCSTR lpMsg) 
{ 
	m_Link=lpMsg; 
} 
void CGuiLinkButton::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	ShellExecute (NULL, "open",m_Link, NULL, NULL, 0) ; 
	CButton::OnLButtonDown(nFlags, point); 
} 
 
int CGuiLinkButton::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CButton::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	 
	 
	// TODO: Add your specialized creation code here 
	 
	return 0; 
} 
 
 
BOOL CGuiLinkButton::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)  
{ 
		 
		SetCursor(::LoadCursor(NULL,MAKEINTRESOURCE(32649)));	 
		return CButton::OnSetCursor(pWnd, nHitTest, message); 
		 
 
}