trianglebutton.cpp

一个完整的数字硬盘录像机系统软件

// TriangleButton.cpp : implementation file
//
 
#include "stdafx.h"
#include "GtMpeg.h"
#include "TriangleButton.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////
CTriangleButton::CTriangleButton()
{
    WNDCLASS wndcls;
    HINSTANCE hInst = AfxGetResourceHandle();
    if (!(::GetClassInfo(hInst, "TriangleButtonCtrl", &wndcls)))
    {
        wndcls.style            = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
        wndcls.lpfnWndProc      = ::DefWindowProc;
        wndcls.cbClsExtra       = wndcls.cbWndExtra = 0;
        wndcls.hInstance        = hInst;
        wndcls.hIcon            = NULL;
        wndcls.hCursor          = NULL;
        wndcls.hbrBackground    = NULL;//(HBRUSH) (Brush.operator HBRUSH());//COLOR_3DFACE + 1
        wndcls.lpszMenuName     = NULL;
        wndcls.lpszClassName    = "TriangleButtonCtrl";
        if (!AfxRegisterClass(&wndcls)) 
            AfxThrowResourceException();
    }
	m_nStates=1;
	m_pToolTip = NULL;
}

CTriangleButton::~CTriangleButton()
{
	if (m_pToolTip)
	{
        delete (m_pToolTip);
        m_pToolTip = NULL;
    }
}
/////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////
BEGIN_MESSAGE_MAP(CTriangleButton, CWnd)
	//{{AFX_MSG_MAP(CTriangleButton)
	ON_WM_CREATE()
	ON_WM_LBUTTONDOWN()
	ON_WM_PAINT()
	ON_WM_LBUTTONUP()
	ON_WM_MOUSEMOVE()
	//}}AFX_MSG_MAP
	ON_NOTIFY_EX_RANGE(TTN_NEEDTEXT,0,0xFFFF,OnToolTipNotify)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////
int CTriangleButton::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	CRect rect;
	GetClientRect(rect);
	switch(m_nButtonType)
	{
	   case _UP_BUTTON:
		              m_ptBorder[0].x=rect.Width()/2;
                      m_ptBorder[0].y=0;
	                  m_ptBorder[1].x=0;
                      m_ptBorder[1].y=rect.bottom;
	                  m_ptBorder[2].x=rect.right;
                      m_ptBorder[2].y=rect.bottom;
					  break;
       case _LEFT_BUTTON:
		              m_ptBorder[0].x=0;
                      m_ptBorder[0].y=rect.Height()/2;
	                  m_ptBorder[1].x=rect.right;
                      m_ptBorder[1].y=rect.top;
					  m_ptBorder[2].x=rect.right;
                      m_ptBorder[2].y=rect.bottom;
					  break;
       case _RIGHT_BUTTON:
		              m_ptBorder[0].x=rect.right;
                      m_ptBorder[0].y=rect.Height()/2;
	                  m_ptBorder[1].x=rect.left;
                      m_ptBorder[1].y=rect.top;
	                  m_ptBorder[2].x=rect.left;
                      m_ptBorder[2].y=rect.bottom;
					  break;
       case _DOWN_BUTTON:
		              m_ptBorder[0].x=rect.Width()/2;
                      m_ptBorder[0].y=rect.bottom;
	                  m_ptBorder[1].x=0;
                      m_ptBorder[1].y=rect.top;
	                  m_ptBorder[2].x=rect.right;
                      m_ptBorder[2].y=rect.top;
					  break;
	}
	ModifyStyleEx(0,WS_EX_TRANSPARENT);
	//CRgn rgn;
	//rgn.CreatePolygonRgn(m_ptBorder,3,WINDING);
	//SetWindowRgn(rgn,1);
	CreateTooltips();
	return 0;
}
/////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////
void CTriangleButton::OnLButtonDown(UINT nFlags, CPoint point) 
{
    HWND hOldFocusWnd = ::GetFocus();
	if(m_nStates==1)
	{
        SetCapture();
		m_nStates=-1;
	    Invalidate();
		NMHDR Msg;
	    Msg.hwndFrom=m_hWnd;
		switch(m_nButtonType)
		{
		   case _UP_BUTTON:
                          Msg.code=_CTRL_UP_START;
						  break;
		   case _LEFT_BUTTON:
						  Msg.code=_CTRL_LEFT_START;
						  break;
		   case _RIGHT_BUTTON:
                          Msg.code=_CTRL_RIGHT_START;
						  break;
		   case _DOWN_BUTTON:
                          Msg.code=_CTRL_DOWN_START;
						  break;

		}
        GetParent()->SendMessage(WM_NOTIFY,_CTRL_INFO,(LPARAM)&Msg);
	}
	CWnd::OnLButtonDown(nFlags, point);
}
/////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////
void CTriangleButton::OnMouseMove(UINT nFlags, CPoint point) 
{
	if(MK_LBUTTON)
	{
	   CRect rect;
	   GetClientRect(rect);
	   if(!rect.PtInRect(point))
	   {
            ReleaseCapture();
			if(m_nStates==-1)
			{
				m_nStates=1;
				Invalidate();
				NMHDR Msg;
				Msg.hwndFrom=m_hWnd;
				switch(m_nButtonType)
				{
				   case _UP_BUTTON:
								  Msg.code=_CTRL_UP_STOP;
								  break;
				   case _LEFT_BUTTON:
								  Msg.code=_CTRL_LEFT_STOP;
								  break;
				   case _RIGHT_BUTTON:
								  Msg.code=_CTRL_RIGHT_STOP;
								  break;
				   case _DOWN_BUTTON:
								  Msg.code=_CTRL_DOWN_STOP;
								  break;
				}
				GetParent()->SendMessage(WM_NOTIFY,_CTRL_INFO,(LPARAM)&Msg);
			}
	   }
	}
	CWnd::OnMouseMove(nFlags, point);
}
/////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////
void CTriangleButton::OnLButtonUp(UINT nFlags, CPoint point) 
{
	if(m_nStates==-1)
	{
        ReleaseCapture();
		m_nStates=1;
	    Invalidate();
		NMHDR Msg;
	    Msg.hwndFrom=m_hWnd;
		switch(m_nButtonType)
		{
		   case _UP_BUTTON:
                          Msg.code=_CTRL_UP_STOP;
						  break;
		   case _LEFT_BUTTON:
                          Msg.code=_CTRL_LEFT_STOP;
						  break;
		   case _RIGHT_BUTTON:
                          Msg.code=_CTRL_RIGHT_STOP;
						  break;
		   case _DOWN_BUTTON:
                          Msg.code=_CTRL_DOWN_STOP;
						  break;
		}
        GetParent()->SendMessage(WM_NOTIFY,_CTRL_INFO,(LPARAM)&Msg);
	}
	CWnd::OnLButtonUp(nFlags, point);
}
/////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////
void CTriangleButton::OnPaint() 
{
	CPaintDC dc(this);
	CBrush LightBrush(RGB(0,0,255));
	CBrush DarkBrush(RGB(0,0,118));
	CRgn rgn;
	rgn.CreatePolygonRgn(m_ptBorder,3,WINDING);
	if(m_nStates==1)
      dc.FillRgn(&rgn,&DarkBrush);
	else
	   dc.FillRgn(&rgn,&LightBrush);
}
/////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////
BOOL CTriangleButton::Create(CString sCaption,int nButtonType,CRect rect, CWnd* pParentWnd, UINT nID) 
{
	m_nButtonType=nButtonType;
	m_sCaption=sCaption;
	return CWnd::Create("TriangleButtonCtrl",NULL,WS_VISIBLE|WS_CHILD, rect, pParentWnd, nID);
	//WS_EX_TRANSPARENT   
}
//////////////////////////////////////
//
/////////////////////////////////////
void CTriangleButton::CreateTooltips()
{
    if (m_pToolTip == NULL)
    {
        CRect rect;
        GetClientRect(rect);
        m_pToolTip = new CToolTipCtrl;
        if(!m_pToolTip)
        {
            MessageBox(_T("Unable to allocate memory for ToolTips!"));
        }
        else
        {
            if( !m_pToolTip->Create(this, TTS_ALWAYSTIP) )
            {   
                MessageBox(_T("Unable to Create ToolTips for Grid!"));
            }
            else
            {
                m_pToolTip->AddTool(this, LPSTR_TEXTCALLBACK, rect, 1);
                m_pToolTip->Activate(TRUE);
                m_pToolTip->SendMessage(TTM_SETDELAYTIME,TTDT_AUTOPOP,30000);
                EnableToolTips(TRUE);
            }
        }
    }
}
////////////////////////////////////////
//
///////////////////////////////////////
BOOL CTriangleButton::PreTranslateMessage(MSG* pMsg) 
{
    switch(pMsg->message)
    {
        case WM_LBUTTONDOWN:
        case WM_MOUSEMOVE:
        case WM_LBUTTONUP:
        case WM_MBUTTONDOWN:
        case WM_MBUTTONUP:
        case WM_RBUTTONDOWN:
        case WM_RBUTTONUP:
        if (m_pToolTip)
        {
            CPoint ptCurrentPos;
            ptCurrentPos.x = LOWORD(pMsg->lParam);
            ptCurrentPos.y = HIWORD(pMsg->lParam);
            if (m_rectSearch.PtInRect(ptCurrentPos) == FALSE)
            {
                m_pToolTip->Activate(FALSE);
            }
            m_pToolTip->Activate(TRUE);
            m_pToolTip->RelayEvent(pMsg);
        }
    }
	return CWnd::PreTranslateMessage(pMsg);
}
////////////////////////////////////////
//
///////////////////////////////////////
BOOL CTriangleButton::OnToolTipNotify(UINT id,NMHDR   *pNMH, LRESULT *pResult) 
{
    LPTOOLTIPTEXT lpttt; 
    lpttt = (LPTOOLTIPTEXT)pNMH; 
    lpttt->szText[0] = '\0';
    POINT  ptCurrentPos;
    GetCursorPos(&ptCurrentPos);
    ScreenToClient(&ptCurrentPos);
    m_rectSearch.SetRect(ptCurrentPos.x - 3,ptCurrentPos.y - 3,ptCurrentPos.x + 3,ptCurrentPos.y + 3);
    strcpy(lpttt->szText,m_sCaption); 
    return FALSE;
}