dialogmintraybtn.cpp

eMule0.44b的原代码

// ------------------------------------------------------------
//  CDialogMinTrayBtn template class
//  MFC CDialog with minimize to systemtray button (0.04)
//  Supports WinXP styles (thanks to David Yuheng Zhao for CVisualStylesXP - [e-mail])
// ------------------------------------------------------------
//  DialogMinTrayBtn.hpp
//  zegzav - 2002,2003 - eMule project (http://www.emule-project.net)
// ------------------------------------------------------------
#include "stdafx.h"
#include "DialogMinTrayBtn.h"
#include "VisualStylesXP.h"
#include "ResizableLib\ResizableDialog.h"
#include "AfxBeginMsgMapTemplate.h"
#include "OtherFunctions.h"

#if 0
// define this to use that source file as template
#define	TEMPLATE	template <class BASE>
#else
// define this to instantiate functions for class 'BASE' right in this CPP module
#define	TEMPLATE
#define BASE		CResizableDialog
#endif

// ------------------------------
//  constants
// ------------------------------

#define CAPTION_BUTTONSPACE      (2)
#define CAPTION_MINHEIGHT        (8)

#define TIMERMINTRAYBTN_ID       0x76617a67
#define TIMERMINTRAYBTN_PERIOD   200    // ms

#define WP_TRAYBUTTON WP_MINBUTTON

BEGIN_TM_PART_STATES(TRAYBUTTON)
    TM_STATE(1, TRAYBS, NORMAL)
    TM_STATE(2, TRAYBS, HOT)
    TM_STATE(3, TRAYBS, PUSHED)
    TM_STATE(4, TRAYBS, DISABLED)
	// Inactive
    TM_STATE(5, TRAYBS, INORMAL)	
    TM_STATE(6, TRAYBS, IHOT)
    TM_STATE(7, TRAYBS, IPUSHED)
    TM_STATE(8, TRAYBS, IDISABLED)
END_TM_PART_STATES()

#define BMP_TRAYBTN_WIDTH		(21)
#define BMP_TRAYBTN_HEIGHT		(21)
#define BMP_TRAYBTN_BLUE		_T("TRAYBUTTON_LUNA_BLUE_BMP")
#define BMP_TRAYBTN_METALLIC	_T("TRAYBUTTON_LUNA_METALLIC_BMP")
#define BMP_TRAYBTN_HOMESTEAD	_T("TRAYBUTTON_LUNA_HOMESTEAD_BMP")
#define BMP_TRAYBTN_TRANSCOLOR	(RGB(255,0,255))

TEMPLATE const TCHAR *CDialogMinTrayBtn<BASE>::m_pszMinTrayBtnBmpName[] = { BMP_TRAYBTN_BLUE, BMP_TRAYBTN_METALLIC, BMP_TRAYBTN_HOMESTEAD };

#define VISUALSTYLESXP_DEFAULTFILE		L"LUNA.MSSTYLES"
#define VISUALSTYLESXP_BLUE				0
#define VISUALSTYLESXP_METALLIC			1
#define VISUALSTYLESXP_HOMESTEAD		2
#define VISUALSTYLESXP_NAMEBLUE			L"NORMALCOLOR"
#define VISUALSTYLESXP_NAMEMETALLIC		L"METALLIC"
#define VISUALSTYLESXP_NAMEHOMESTEAD	L"HOMESTEAD"

// _WIN32_WINNT >= 0x0501 (XP only)
#define _WM_THEMECHANGED                0x031A	
#define _ON_WM_THEMECHANGED()														\
	{	_WM_THEMECHANGED, 0, 0, 0, AfxSig_l,										\
		(AFX_PMSG)(AFX_PMSGW)														\
		(static_cast< LRESULT (AFX_MSG_CALL CWnd::*)(void) > (_OnThemeChanged))		\
	},


// ------------------------------
//  contructor/init
// ------------------------------

TEMPLATE CDialogMinTrayBtn<BASE>::CDialogMinTrayBtn() :
    m_MinTrayBtnPos(0,0), m_MinTrayBtnSize(0,0), m_bMinTrayBtnEnabled(TRUE), m_bMinTrayBtnVisible(TRUE), 
    m_bMinTrayBtnUp(TRUE), m_bMinTrayBtnCapture(FALSE), m_bMinTrayBtnActive(FALSE), m_bMinTrayBtnHitTest(FALSE)
{
    MinTrayBtnInit();
}

TEMPLATE CDialogMinTrayBtn<BASE>::CDialogMinTrayBtn(LPCTSTR lpszTemplateName, CWnd* pParentWnd) : BASE(lpszTemplateName, pParentWnd),
    m_MinTrayBtnPos(0,0), m_MinTrayBtnSize(0,0), m_bMinTrayBtnEnabled(TRUE), m_bMinTrayBtnVisible(TRUE), 
    m_bMinTrayBtnUp(TRUE), m_bMinTrayBtnCapture(FALSE), m_bMinTrayBtnActive(FALSE), m_bMinTrayBtnHitTest(FALSE)
{
    MinTrayBtnInit();
}

TEMPLATE CDialogMinTrayBtn<BASE>::CDialogMinTrayBtn(UINT nIDTemplate, CWnd* pParentWnd) : BASE(nIDTemplate, pParentWnd),
    m_MinTrayBtnPos(0,0), m_MinTrayBtnSize(0,0), m_bMinTrayBtnEnabled(TRUE), m_bMinTrayBtnVisible(TRUE), 
    m_bMinTrayBtnUp(TRUE), m_bMinTrayBtnCapture(FALSE), m_bMinTrayBtnActive(FALSE), m_bMinTrayBtnHitTest(FALSE)
{
    MinTrayBtnInit();
}

TEMPLATE void CDialogMinTrayBtn<BASE>::MinTrayBtnInit()
{
    m_nMinTrayBtnTimerId= 0;
	BOOL bBmpResult = MinTrayBtnInitBitmap();
	// - Never use the 'TransparentBlt' function under Win9x (read SDK)
	// - Load the 'MSIMG32.DLL' only, if it's really needed.
	if (!afxData.bWin95 && bBmpResult && !_TransparentBlt)
	{
		HMODULE hMsImg32= LoadLibrary(_T("MSIMG32.DLL"));
		if (hMsImg32)
		{
			(FARPROC &)_TransparentBlt= GetProcAddress(hMsImg32, "TransparentBlt");
			if (!_TransparentBlt)
				FreeLibrary(hMsImg32);
		}
	}
}


BEGIN_MESSAGE_MAP_TEMPLATE(TEMPLATE, CDialogMinTrayBtn<BASE>, CDialogMinTrayBtn, BASE)
    ON_WM_NCPAINT()
    ON_WM_NCACTIVATE()
    ON_WM_NCHITTEST()
    ON_WM_NCLBUTTONDOWN()
    ON_WM_NCRBUTTONDOWN()
    ON_WM_LBUTTONUP()
    ON_WM_MOUSEMOVE()
    ON_WM_TIMER()
	_ON_WM_THEMECHANGED()
END_MESSAGE_MAP()

// ------------------------------
//  messages
// ------------------------------

TEMPLATE BOOL CDialogMinTrayBtn<BASE>::OnInitDialog()
{
	BOOL bReturn= BASE::OnInitDialog();
	InitWindowStyles(this);
    m_nMinTrayBtnTimerId= SetTimer(TIMERMINTRAYBTN_ID, TIMERMINTRAYBTN_PERIOD, NULL);
    return bReturn;
}

TEMPLATE void CDialogMinTrayBtn<BASE>::OnNcPaint() 
{
    BASE::OnNcPaint();
    MinTrayBtnUpdatePosAndSize();
    MinTrayBtnDraw();
}

TEMPLATE BOOL CDialogMinTrayBtn<BASE>::OnNcActivate(BOOL bActive)
{
    MinTrayBtnUpdatePosAndSize();
    BOOL bResult= BASE::OnNcActivate(bActive);
    m_bMinTrayBtnActive= bActive;
    MinTrayBtnDraw();
    return bResult;
}

TEMPLATE UINT CDialogMinTrayBtn<BASE>::OnNcHitTest(CPoint point)
{
    BOOL bPreviousHitTest= m_bMinTrayBtnHitTest;
    m_bMinTrayBtnHitTest= MinTrayBtnHitTest(point);
    if ((!IsWindowsClassicStyle()) && (m_bMinTrayBtnHitTest != bPreviousHitTest))
        MinTrayBtnDraw(); // Windows XP Style (hot button)
    if (m_bMinTrayBtnHitTest)
    {
       return HTMINTRAYBUTTON;
    }
    return BASE::OnNcHitTest(point);
}

TEMPLATE void CDialogMinTrayBtn<BASE>::OnNcLButtonDown(UINT nHitTest, CPoint point) 
{
    if ((GetStyle() & WS_DISABLED) || (!MinTrayBtnIsEnabled()) || (!MinTrayBtnIsVisible()) || (!MinTrayBtnHitTest(point)))
    {
        BASE::OnNcLButtonDown(nHitTest, point);
        return;
    }

    SetCapture();
    m_bMinTrayBtnCapture= TRUE;
    MinTrayBtnSetDown();
}

TEMPLATE void CDialogMinTrayBtn<BASE>::OnNcRButtonDown(UINT nHitTest, CPoint point) 
{
    if ((GetStyle() & WS_DISABLED) || (!MinTrayBtnIsVisible()) || (!MinTrayBtnHitTest(point)))
        BASE::OnNcRButtonDown(nHitTest, point);
}

TEMPLATE void CDialogMinTrayBtn<BASE>::OnMouseMove(UINT nFlags, CPoint point) 
{
    if ((GetStyle() & WS_DISABLED) || (!m_bMinTrayBtnCapture))
    { 
        BASE::OnMouseMove(nFlags, point);
        return;
    }

    ClientToScreen(&point);
    m_bMinTrayBtnHitTest= MinTrayBtnHitTest(point);
    if (m_bMinTrayBtnHitTest)
    {
        if (m_bMinTrayBtnUp)
            MinTrayBtnSetDown();
    }
    else
    {
        if (!m_bMinTrayBtnUp)
            MinTrayBtnSetUp();
    }
}

TEMPLATE void CDialogMinTrayBtn<BASE>::OnLButtonUp(UINT nFlags, CPoint point) 
{
    if ((GetStyle() & WS_DISABLED) || (!m_bMinTrayBtnCapture))
    {
        BASE::OnLButtonUp(nFlags, point);
        return;
    }

    ReleaseCapture();
    m_bMinTrayBtnCapture= FALSE;
    MinTrayBtnSetUp();

    ClientToScreen(&point);
    if (MinTrayBtnHitTest(point))
       SendMessage(WM_SYSCOMMAND, SC_MINIMIZETRAY, MAKELONG(point.x, point.y)); 
}

TEMPLATE void CDialogMinTrayBtn<BASE>::OnTimer(UINT_PTR nIDEvent)
{
    if ((!IsWindowsClassicStyle()) && (nIDEvent == m_nMinTrayBtnTimerId))
    {
        // Visual XP Style (hot button)
        CPoint point;
        GetCursorPos(&point);
        BOOL bHitTest= MinTrayBtnHitTest(point);
        if (m_bMinTrayBtnHitTest != bHitTest)
        {
            m_bMinTrayBtnHitTest= bHitTest;
            MinTrayBtnDraw();
        }
    }
}

TEMPLATE LRESULT CDialogMinTrayBtn<BASE>::_OnThemeChanged()
{
	// BASE::OnThemeChanged();
	MinTrayBtnInitBitmap();
	return 0;
}


// ------------------------------
//  methods
// ------------------------------

TEMPLATE void CDialogMinTrayBtn<BASE>::MinTrayBtnUpdatePosAndSize()
{
    DWORD dwStyle = GetStyle();