wndmonitor.cpp

著名的下载软件核心Shareaza

//
// WndMonitor.cpp
//
// Copyright (c) Shareaza Development Team, 2002-2004.
// This file is part of SHAREAZA (www.shareaza.com)
//
// Shareaza is free software; you can redistribute it
// and/or modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Shareaza is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Shareaza; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#include "StdAfx.h"
#include "Shareaza.h"
#include "Settings.h"
#include "GraphItem.h"
#include "CoolInterface.h"
#include "SkinWindow.h"
#include "Skin.h"

#include "WndMonitor.h"
#include "CtrlMonitorBar.h"
#include "CtrlMediaFrame.h"

IMPLEMENT_DYNAMIC(CRemoteWnd, CWnd)

BEGIN_MESSAGE_MAP(CRemoteWnd, CWnd)
	ON_WM_CREATE()
	ON_WM_DESTROY()
	ON_WM_WINDOWPOSCHANGING()
	ON_MESSAGE(WM_IDLEUPDATECMDUI, OnIdleUpdateCmdUI)
	ON_WM_TIMER()
	ON_WM_SIZE()
	ON_WM_PAINT()
	ON_WM_NCPAINT()
	ON_WM_NCACTIVATE()
	ON_WM_NCCALCSIZE()
	ON_WM_NCHITTEST()
	ON_WM_SETCURSOR()
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_NCLBUTTONDBLCLK()
	ON_WM_RBUTTONDOWN()
END_MESSAGE_MAP()

LPCTSTR CRemoteWnd::m_hClass = NULL;

#define SNAP_PIXELS 6


/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd construction

CRemoteWnd::CRemoteWnd()
{
	if ( m_hClass == NULL ) m_hClass = AfxRegisterWndClass( 0 );
	
	m_pMonitor		= NULL;
	m_pSkin			= NULL;
	m_pCmdHover		= NULL;
	m_pCmdDown		= NULL;
	m_nTimer		= 0;
	
	m_bScaler		= FALSE;
	m_bMediaSeek	= FALSE;
	m_nMediaSeek	= -1;
	m_bMediaVol		= FALSE;
	m_nMediaVol		= -1;
}

CRemoteWnd::~CRemoteWnd()
{
	for ( POSITION pos = m_pButtons.GetHeadPosition() ; pos ; ) delete m_pButtons.GetNext( pos );
}

/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd system message handlers

BOOL CRemoteWnd::Create(CMonitorBarCtrl* pMonitor)
{
	ASSERT( m_hWnd == NULL );
	
	m_pMonitor	= pMonitor;
	m_pSkin		= NULL;
	
	return CreateEx(	WS_EX_TOOLWINDOW, m_hClass, _T("Shareaza Remote"),
						WS_OVERLAPPED|WS_CLIPCHILDREN, 0, 0, 0, 0, NULL, 0 );
}

BOOL CRemoteWnd::IsVisible()
{
	return ( m_hWnd != NULL );
}

int CRemoteWnd::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if ( CWnd::OnCreate( lpCreateStruct ) == -1 ) return -1;
	
	OnSkinChange();
	EnableToolTips();
	
	int nWindowX = AfxGetApp()->GetProfileInt( _T("Windows"), _T("CRemoteWnd.Left"), 0 );
	int nWindowY = AfxGetApp()->GetProfileInt( _T("Windows"), _T("CRemoteWnd.Top"), 0 );
	
	SetWindowPos( &wndTopMost, nWindowX, nWindowY, 0, 0, SWP_NOSIZE|SWP_SHOWWINDOW );
	
	SetTimer( 1, 50, NULL );
	
	return 0;
}

void CRemoteWnd::OnDestroy() 
{
	KillTimer( 1 );
	Settings.SaveWindow( NULL, this );
	
	CWnd::OnDestroy();
}

/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd window movement message handlers

void CRemoteWnd::OnWindowPosChanging(WINDOWPOS FAR* lpwndpos) 
{
	CWnd::OnWindowPosChanging( lpwndpos );
	
	CRect rcWork;
	SystemParametersInfo( SPI_GETWORKAREA, 0, &rcWork, 0 );
	
	if ( abs( lpwndpos->x ) <= ( rcWork.left + SNAP_PIXELS ) )
	{
		lpwndpos->x = rcWork.left;
	}
	else if (	( lpwndpos->x + lpwndpos->cx ) >= ( rcWork.right - SNAP_PIXELS ) &&
				( lpwndpos->x + lpwndpos->cx ) <= ( rcWork.right + SNAP_PIXELS ) )
	{
		lpwndpos->x = rcWork.right - lpwndpos->cx;
	}
	
	if ( abs( lpwndpos->y ) <= ( rcWork.top + SNAP_PIXELS ) )
	{
		lpwndpos->y = rcWork.top;
	}
	else if (	( lpwndpos->y + lpwndpos->cy ) >= ( rcWork.bottom - SNAP_PIXELS) &&
				( lpwndpos->y + lpwndpos->cy ) <= ( rcWork.bottom + SNAP_PIXELS ) )
	{
		lpwndpos->y = rcWork.bottom - lpwndpos->cy;
	}
}

/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd command UI

LONG CRemoteWnd::OnIdleUpdateCmdUI(WPARAM wParam, LPARAM lParam)
{
	UpdateCmdButtons();
	return 0;
}

void CRemoteWnd::OnTimer(UINT nIDEvent) 
{
	if ( m_nTimer++ >= 10 )
	{
		m_nTimer = 0;
		UpdateCmdButtons();
		
		if ( m_pCmdHover != NULL )
		{
			CPoint point;
			GetCursorPos( &point );
			ScreenToClient( &point );
			if ( HitTestButtons( point ) != m_pCmdHover ) m_pCmdHover = NULL;
		}
		
		CString strFormat;
		LoadString( strFormat, IDS_TRAY_TIP );
		m_sStatus.Format( strFormat,
			(int)CGraphItem::GetValue( GRC_GNUTELLA_CONNECTIONS, 0 ),
			(LPCTSTR)Settings.SmartVolume( CGraphItem::GetValue( GRC_TOTAL_BANDWIDTH_IN ), FALSE, TRUE ),
			(LPCTSTR)Settings.SmartVolume( CGraphItem::GetValue( GRC_TOTAL_BANDWIDTH_OUT ), FALSE, TRUE ),
			(int)CGraphItem::GetValue( GRC_DOWNLOADS_TRANSFERS ),
			(int)CGraphItem::GetValue( GRC_UPLOADS_TRANSFERS ) );
	}
	
	Invalidate();
}

/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd command buttons

CRemoteWnd::CmdButton* CRemoteWnd::HitTestButtons(const CPoint& ptIn, BOOL bAll) const
{
	if ( m_pSkin == NULL ) return NULL;
	
	for ( POSITION pos = m_pButtons.GetHeadPosition() ; pos ; )
	{
		CmdButton* pButton = m_pButtons.GetNext( pos );
		if ( pButton->HitTest( ptIn, bAll ) ) return pButton;
	}
	
	return NULL;
}

void CRemoteWnd::UpdateCmdButtons()
{
	BOOL bChanged = FALSE;
	
	for ( POSITION pos = m_pButtons.GetHeadPosition() ; pos ; )
	{
		CmdButton* pButton = m_pButtons.GetNext( pos );
		pButton->m_bChanged = FALSE;
		pButton->DoUpdate( (CCmdTarget*)AfxGetMainWnd(), TRUE );
		bChanged |= pButton->m_bChanged;
	}
	
	if ( bChanged ) Invalidate();
}

/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd skin change handler

void CRemoteWnd::OnSkinChange()
{
	for ( POSITION pos = m_pButtons.GetHeadPosition() ; pos ; ) delete m_pButtons.GetNext( pos );
	m_pCmdHover = m_pCmdDown = NULL;
	m_pButtons.RemoveAll();
	
	m_pSkin = NULL;
	
	if ( m_hWnd == NULL ) return;
	
	m_pSkin = Skin.GetWindowSkin( _T("CRemoteWnd") );
	
	if ( m_pSkin == NULL )
	{
		ShowWindow( SW_HIDE );
		return;
	}
	
	if ( ! m_pSkin->GetPart( _T("Background"), m_rcBackground ) )
	{
		m_pSkin = NULL;
		ShowWindow( SW_HIDE );
		return;
	}
	
	for ( pos = m_pSkin->m_pAnchorList.GetStartPosition() ; pos ; )
	{
		CRect* prcAnchor;
		CString strAnchor;
		m_pSkin->m_pAnchorList.GetNextAssoc( pos, strAnchor, (void*&)prcAnchor );
		
		if ( strAnchor.Find( '_' ) == 0 )
		{
			m_pButtons.AddTail( new CmdButton( strAnchor ) );
		}
	}
	
	m_bsStatusText		= m_pSkin->GetAnchor( _T("StatusText"), m_rcsStatusText );
	
	m_bsHistoryDest		= m_pSkin->GetAnchor( _T("History"), m_rcsHistoryDest );
	m_bsHistoryTx[0]	= m_pSkin->GetPart( _T("HistoryTx1"), m_rcsHistoryTx[0] );
	m_bsHistoryTx[1]	= m_pSkin->GetPart( _T("HistoryTx2"), m_rcsHistoryTx[1] );
	m_bsHistoryRx[0]	= m_pSkin->GetPart( _T("HistoryRx1"), m_rcsHistoryRx[0] );
	m_bsHistoryRx[1]	= m_pSkin->GetPart( _T("HistoryRx2"), m_rcsHistoryRx[1] );
	m_bsFlowTxDest		= m_pSkin->GetAnchor( _T("FlowTx"), m_rcsFlowTxDest );
	m_bsFlowTxSrc[0]	= m_pSkin->GetPart( _T("FlowTx1"), m_rcsFlowTxSrc[0] );
	m_bsFlowTxSrc[1]	= m_pSkin->GetPart( _T("FlowTx2"), m_rcsFlowTxSrc[1] );
	m_bsFlowRxDest		= m_pSkin->GetAnchor( _T("FlowRx"), m_rcsFlowRxDest );
	m_bsFlowRxSrc[0]	= m_pSkin->GetPart( _T("FlowRx1"), m_rcsFlowRxSrc[0] );
	m_bsFlowRxSrc[1]	= m_pSkin->GetPart( _T("FlowRx2"), m_rcsFlowRxSrc[1] );
	m_bsScalerTrack		= m_pSkin->GetAnchor( _T("ScalerTrack"), m_rcsScalerTrack );
	m_bsScalerTab		= m_pSkin->GetPart( _T("ScalerTab"), m_rcsScalerTab );
	m_bsScalerBar		= m_pSkin->GetPart( _T("ScalerBar"), m_rcsScalerBar );
	
	m_bsMediaSeekTrack	= m_pSkin->GetAnchor( _T("MediaSeekTrack"), m_rcsMediaSeekTrack );
	m_bsMediaSeekTab	= m_pSkin->GetPart( _T("MediaSeekTab"), m_rcsMediaSeekTab );
	m_bsMediaSeekBar	= m_pSkin->GetPart( _T("MediaSeekBar"), m_rcsMediaSeekBar );
	m_bsMediaVolTrack	= m_pSkin->GetAnchor( _T("MediaVolTrack"), m_rcsMediaVolTrack );
	m_bsMediaVolTab		= m_pSkin->GetPart( _T("MediaVolTab"), m_rcsMediaVolTab );
	m_bsMediaVolBar		= m_pSkin->GetPart( _T("MediaVolBar"), m_rcsMediaVolBar );
	
	m_bsMediaStates[0][0]	= m_pSkin->GetAnchor( _T("MediaStateStopped"), m_rcsMediaStates[0][0] );
	m_bsMediaStates[0][1]	= m_pSkin->GetAnchor( _T("MediaStatePlaying"), m_rcsMediaStates[0][1] );
	m_bsMediaStates[0][2]	= m_pSkin->GetAnchor( _T("MediaStatePaused"), m_rcsMediaStates[0][2] );
	m_bsMediaStates[1][0]	= m_pSkin->GetPart( _T("MediaStateStopped"), m_rcsMediaStates[1][0] );
	m_bsMediaStates[1][1]	= m_pSkin->GetPart( _T("MediaStatePlaying"), m_rcsMediaStates[1][1] );
	m_bsMediaStates[1][2]	= m_pSkin->GetPart( _T("MediaStatePaused"), m_rcsMediaStates[1][2] );
    
	SetWindowPos( NULL, 0, 0, m_rcBackground.Width(), m_rcBackground.Height(), SWP_NOMOVE );
	m_pSkin->OnSize( this );
	Invalidate();
}

/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd display message handlers

void CRemoteWnd::OnSize(UINT nType, int cx, int cy)
{
	CWnd::OnSize( nType, cx, cy );
	if ( m_pSkin != NULL ) m_pSkin->OnSize( this );
	Invalidate();
}

void CRemoteWnd::OnPaint() 
{
	CPaintDC dc( this );
	CRect rcClient;
	
	GetClientRect( &rcClient );
	
	if ( m_pSkin == NULL )
	{
		dc.FillSolidRect( &rcClient, GetSysColor( COLOR_BTNFACE ) );
		return;
	}
	
	CDC* pDC = CoolInterface.GetBuffer( dc, rcClient.Size() );
	m_pSkin->Prepare( &dc );
	
	pDC->BitBlt( 0, 0, m_rcBackground.Width(), m_rcBackground.Height(),
		&m_pSkin->m_dcSkin, m_rcBackground.left, m_rcBackground.top, SRCCOPY );
	
	CFont* pfOld = NULL;
	
	if ( m_pSkin->m_fnCaption.m_hObject != NULL )
	{
		pfOld = (CFont*)pDC->SelectObject( &m_pSkin->m_fnCaption );
		pDC->SetTextColor( m_pSkin->m_crCaptionText );
	}
	else
	{
		pfOld = (CFont*)pDC->SelectObject( &CoolInterface.m_fntNormal );
		pDC->SetTextColor( RGB( 255, 255, 255 ) );
	}
	
	pDC->SetBkMode( TRANSPARENT );
	m_bStatus = FALSE;
	
	PaintHistory( pDC, m_pMonitor->m_pTxItem, m_pMonitor->m_pRxItem, m_pMonitor->m_nMaximum );
	PaintFlow( pDC, &m_bsFlowTxDest, &m_rcsFlowTxDest, m_bsFlowTxSrc, m_rcsFlowTxSrc, m_pMonitor->m_pTxItem, m_pMonitor->m_nMaximum );
	PaintFlow( pDC, &m_bsFlowRxDest, &m_rcsFlowRxDest, m_bsFlowRxSrc, m_rcsFlowRxSrc, m_pMonitor->m_pRxItem, m_pMonitor->m_nMaximum );
	PaintScaler( pDC );
	PaintMedia( pDC );
	PaintStatus( pDC );
	
	for ( POSITION pos = m_pButtons.GetHeadPosition() ; pos ; )
	{
		m_pButtons.GetNext( pos )->Paint( pDC, rcClient, m_pSkin, m_pCmdHover, m_pCmdDown );
	}
	
	pDC->SelectObject( pfOld );
	pDC->SelectClipRgn( NULL );
	dc.BitBlt( 0, 0, rcClient.Width(), rcClient.Height(), pDC, 0, 0, SRCCOPY );
}

void CRemoteWnd::OnNcPaint()
{
}

BOOL CRemoteWnd::OnNcActivate(BOOL bActive)
{
	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd paint monitor functionality

void CRemoteWnd::PaintHistory(CDC* pDC, CGraphItem* pTxItem, CGraphItem* pRxItem, DWORD nMaximum)
{
	if ( nMaximum == 0 ) return;
	if ( m_bsHistoryDest == FALSE ) return;
	
	pTxItem->SetHistory( m_rcsHistoryDest.Width(), TRUE );
	pRxItem->SetHistory( m_rcsHistoryDest.Width(), TRUE );
	
	DWORD nMax = min( pTxItem->m_nLength, (DWORD)m_rcsHistoryDest.Width() );
	int nX = m_rcsHistoryDest.right - 1;
	
	for ( DWORD nPos = 0 ; nPos < nMax ; nPos++, nX-- )
	{
		DWORD nTxValue = pTxItem->GetValueAt( nPos );
		DWORD nRxValue = pRxItem->GetValueAt( nPos );
		nTxValue = m_rcsHistoryDest.bottom - nTxValue * m_rcsHistoryDest.Height() / nMaximum;
		nRxValue = m_rcsHistoryDest.bottom - nRxValue * m_rcsHistoryDest.Height() / nMaximum;
		
		if ( nTxValue < nRxValue )
		{
			if ( nTxValue < (DWORD)m_rcsHistoryDest.bottom && m_bsHistoryTx[0] )
			{
				pDC->BitBlt( nX, nTxValue, 1, m_rcsHistoryDest.bottom - nTxValue,
					&m_pSkin->m_dcSkin, m_rcsHistoryTx[0].left + ( nX - m_rcsHistoryDest.left ),
					m_rcsHistoryTx[0].top + nTxValue - m_rcsHistoryDest.top, SRCCOPY );
			}
			else if ( nTxValue < (DWORD)m_rcsHistoryDest.bottom && m_bsHistoryTx[1] )
			{
				pDC->BitBlt( nX, nTxValue, 1, m_rcsHistoryDest.bottom - nTxValue,
					&m_pSkin->m_dcSkin, m_rcsHistoryTx[1].left + ( nX - m_rcsHistoryDest.left ),
					m_rcsHistoryTx[1].top, SRCCOPY );
			}
			if ( nRxValue < (DWORD)m_rcsHistoryDest.bottom && m_bsHistoryRx[0] )
			{
				pDC->BitBlt( nX, nRxValue, 1, m_rcsHistoryDest.bottom - nRxValue,
					&m_pSkin->m_dcSkin, m_rcsHistoryRx[0].left + ( nX - m_rcsHistoryDest.left ),
					m_rcsHistoryRx[0].top + nRxValue - m_rcsHistoryDest.top, SRCCOPY );
			}
			else if ( nRxValue < (DWORD)m_rcsHistoryDest.bottom && m_bsHistoryRx[1] )
			{
				pDC->BitBlt( nX, nRxValue, 1, m_rcsHistoryDest.bottom - nRxValue,
					&m_pSkin->m_dcSkin, m_rcsHistoryRx[1].left + ( nX - m_rcsHistoryDest.left ),
					m_rcsHistoryRx[1].top, SRCCOPY );
			}
		}
		else
		{
			if ( nRxValue < (DWORD)m_rcsHistoryDest.bottom && m_bsHistoryRx[0] )
			{
				pDC->BitBlt( nX, nRxValue, 1, m_rcsHistoryDest.bottom - nRxValue,
					&m_pSkin->m_dcSkin, m_rcsHistoryRx[0].left + ( nX - m_rcsHistoryDest.left ),
					m_rcsHistoryRx[0].top + nRxValue - m_rcsHistoryDest.top, SRCCOPY );
			}
			else if ( nRxValue < (DWORD)m_rcsHistoryDest.bottom && m_bsHistoryRx[1] )
			{
				pDC->BitBlt( nX, nRxValue, 1, m_rcsHistoryDest.bottom - nRxValue,
					&m_pSkin->m_dcSkin, m_rcsHistoryRx[1].left + ( nX - m_rcsHistoryDest.left ),
					m_rcsHistoryRx[1].top, SRCCOPY );
			}
			if ( nTxValue < (DWORD)m_rcsHistoryDest.bottom && m_bsHistoryTx[0] )
			{
				pDC->BitBlt( nX, nTxValue, 1, m_rcsHistoryDest.bottom - nTxValue,
					&m_pSkin->m_dcSkin, m_rcsHistoryTx[0].left + ( nX - m_rcsHistoryDest.left ),
					m_rcsHistoryTx[0].top + nTxValue - m_rcsHistoryDest.top, SRCCOPY );
			}
			else if ( nTxValue < (DWORD)m_rcsHistoryDest.bottom && m_bsHistoryTx[1] )
			{
				pDC->BitBlt( nX, nTxValue, 1, m_rcsHistoryDest.bottom - nTxValue,
					&m_pSkin->m_dcSkin, m_rcsHistoryTx[1].left + ( nX - m_rcsHistoryDest.left ),
					m_rcsHistoryTx[1].top, SRCCOPY );
			}
		}
	}
}

void CRemoteWnd::PaintFlow(CDC* pDC, BOOL* pbDest, CRect* prcDest, BOOL* pbSrc, CRect* prcSrc, CGraphItem* pItem, DWORD nMaximum)
{
	if ( *pbDest == FALSE ) return;
	if ( nMaximum == 0 || pItem->m_nLength < 1 ) return;
	
	DWORD nValue = (DWORD)pItem->GetValue( pItem->m_nCode );
	nValue = nValue * prcDest->Height() / nMaximum;
	
	if ( pbSrc[0] )
	{
		pDC->BitBlt( prcDest->left, prcDest->bottom - nValue,
			prcDest->Width(), nValue, &m_pSkin->m_dcSkin,
			prcSrc[0].left, prcSrc[0].bottom - nValue, SRCCOPY );
	}
	else if ( pbSrc[1] )
	{
		pDC->BitBlt( prcDest->left, prcDest->bottom - nValue,
			prcDest->Width(), nValue, &m_pSkin->m_dcSkin,
			prcSrc[1].left, prcSrc[1].top, SRCCOPY );
	}
}

/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd paint bandwidth scaler

void CRemoteWnd::PaintScaler(CDC* pDC)
{
	if ( m_bsScalerTrack )
	{
		CRect rcTrack( &m_rcsScalerTrack ), rcPart;
		float nPosition = 0;
		
		if ( Settings.Live.BandwidthScale > 100 )
			nPosition = 1.0f;
		else
			nPosition = (float)Settings.Live.BandwidthScale / 105.0f;
		
		if ( m_bsScalerTab )
		{
			rcPart.CopyRect( &m_rcsScalerTab );
			
			if ( m_bScaler ) rcPart.OffsetRect( rcPart.Width(), 0 );
			
			m_rcScalerTab.left		= rcTrack.left + (int)( nPosition * ( rcTrack.Width() - rcPart.Width() ) );
			m_rcScalerTab.right		= m_rcScalerTab.left + rcPart.Width();
			m_rcScalerTab.top		= rcTrack.top;
			m_rcScalerTab.bottom	= rcTrack.top + rcPart.Height();
			
			pDC->BitBlt( m_rcScalerTab.left, m_rcScalerTab.top, m_rcScalerTab.Width(),
				m_rcScalerTab.Height(), &m_pSkin->m_dcSkin, rcPart.left, rcPart.top, SRCCOPY );
			pDC->ExcludeClipRect( &m_rcScalerTab );
			
			rcTrack.right = m_rcScalerTab.left;
		}
		
		if ( m_bsScalerBar )
		{
			rcPart.CopyRect( &m_rcsScalerBar );
			CRect rcBar( &rcTrack );
			
			while ( rcBar.left < rcBar.right )
			{
				pDC->BitBlt( rcBar.left, rcBar.top, min( rcBar.Width(), rcPart.Width() ),
					rcPart.Height(), &m_pSkin->m_dcSkin, rcPart.left, rcPart.top, SRCCOPY );
				rcBar.left += rcPart.Width();
			}
		}
	}
}

/////////////////////////////////////////////////////////////////////////////
// CRemoteWnd paint media functionality

void CRemoteWnd::PaintMedia(CDC* pDC)
{
	if ( m_bsMediaSeekTrack )