pphtmldrawer.cpp

一个类似卡巴斯基界面的设计！其按钮和别的一些控件都是封装了各种优秀的自绘类！

#include "stdafx.h"
#include "PPHtmlDrawer.h"
#include "atlconv.h"    // for Unicode conversion - requires #include <afxdisp.h> // MFC OLE automation classes

#include <shellapi.h>
#pragma comment(lib, "comctl32.lib")



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

#define PPHTMLDRAWER_NO_HOVERLINK	-2	//A hot area is not exist under the cursor
#define PPHTMLDRAWER_BREAK_CHARS	_T(" -.,!:;)}]?") //A set of the chars to break line in the text wrap mode

enum {
		MODE_DRAW = 0,
		MODE_FIRSTPASS,
		MODE_SECONDPASS
	};

/*
#define m_szOffsetShadow.cx		4 //
#define m_szOffsetShadow.cy		4 //
#define m_szDepthShadow.cx		7 //
#define m_szDepthShadow.cy		7 //
#define PPHTMLDRAWER_SHADOW_COLOR		RGB (64, 64, 64) //A gradient shadow's color
*/


/////////////////////////////////////////////////////////////////////////////
// CPPHtmlDrawer

CPPHtmlDrawer::CPPHtmlDrawer()
{
	m_nNumPass = MODE_FIRSTPASS;

	m_hInstDll = NULL;
	m_bFreeInstDll = FALSE;
	m_hDC = NULL;
	m_hImageList = NULL;
	
	m_csCallbackRepaint.hWnd = NULL;
	m_csCallbackRepaint.nMessage = 0;
	m_csCallbackRepaint.lParam = 0;
	m_csCallbackRepaint.wParam = 0;
	
	m_csCallbackLink.hWnd = NULL;
	m_csCallbackLink.nMessage = 0;
	m_csCallbackLink.lParam = 0;
	m_csCallbackLink.wParam = 0;

//	m_clrShadow = PPHTMLDRAWER_SHADOW_COLOR;

	m_hLinkCursor = NULL; // No cursor as yet
	m_nHoverIndexLink = PPHTMLDRAWER_NO_HOVERLINK;

	SetListOfTags();
	SetListSpecChars();
    SetTableOfColors();
	SetDefaultCursor();
	EnableEscapeSequences();
	SetMaxWidth(0);
//	EnableTextWrap(FALSE); //A text warpping was disabled by default
//	EnableTextWrap(TRUE); //A text warpping was disabled by default
	SetImageShadow(4, 4);
	SetTabSize(32);
	SetDefaultCssStyles();
	EnableOutput();
	SetDisabledColor(::GetSysColor(COLOR_BTNSHADOW));
}

CPPHtmlDrawer::~CPPHtmlDrawer()
{
	SetResourceDll(NULL);

	if (NULL != m_hLinkCursor)
	{
		::DestroyCursor(m_hLinkCursor);
		m_hLinkCursor = NULL;
	}
	
	if (NULL != m_hImageList)
		::DeleteObject(m_hImageList);
}

void CPPHtmlDrawer::EnableOutput(BOOL bEnable /* = TRUE */)
{
	m_bIsEnable = bEnable;
} //End of EnableOutput

void CPPHtmlDrawer::SetDisabledColor(COLORREF color)
{
	m_crDisabled = color;
}

HICON CPPHtmlDrawer::GetIconFromResources(DWORD dwID, int nWidth /* = 0 */, int nHeight /* = 0 */) const
{
	if (0 == dwID) return NULL;

	// Find correct resource handle
#ifdef _MFC_VER
	HINSTANCE hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(dwID), RT_GROUP_ICON);
#else
	HINSTANCE hInstResource = ::GetModuleHandle(NULL);
#endif
	// Set icon when the mouse is IN the button
	HICON hIcon = (HICON)::LoadImage(hInstResource, MAKEINTRESOURCE(dwID), IMAGE_ICON, nWidth, nHeight, LR_DEFAULTCOLOR);
	
	return hIcon;
}

HICON CPPHtmlDrawer::GetIconFromFile(LPCTSTR lpszPath, int nWidth /* = 0 */, int nHeight /* = 0 */) const
{
	HICON hIcon = (HICON)::LoadImage(NULL, lpszPath, IMAGE_ICON, nWidth, nHeight, LR_LOADFROMFILE | LR_DEFAULTCOLOR);
	
	return hIcon;
}

HICON CPPHtmlDrawer::GetIconFromDll(DWORD dwID, int nWidth /* = 0 */, int nHeight /* = 0 */, LPCTSTR lpszPathDll /* = NULL */) const
{
	if (0 == dwID) return NULL;

	HICON hIcon = NULL;

	HINSTANCE hInstDll = NULL;
	BOOL bNewDll = FALSE;

	if (NULL == lpszPathDll)
	{
		if (NULL != m_hInstDll)
			hInstDll = m_hInstDll;
	}
	else
	{
		//Load New Library
		hInstDll = ::LoadLibraryEx(lpszPathDll, NULL, 0);
		if (NULL != hInstDll)
			bNewDll = TRUE;	
	}

	if (NULL != hInstDll)
	{
		hIcon = (HICON)::LoadImage(hInstDll, MAKEINTRESOURCE(dwID), IMAGE_ICON, nWidth, nHeight, LR_DEFAULTCOLOR);

		if (bNewDll)
			::FreeLibrary(hInstDll);
	}

	return hIcon;
}

HBITMAP CPPHtmlDrawer::GetBitmapFromResources(DWORD dwID) const
{
	if (0 == dwID) return NULL;

	// Find correct resource handle
#ifdef _MFC_VER
	HINSTANCE hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(dwID), RT_BITMAP);
#else
	HINSTANCE hInstResource = ::GetModuleHandle(NULL);
#endif
	// Load bitmap
	HBITMAP hBitmap = (HBITMAP)::LoadImage(hInstResource, MAKEINTRESOURCE(dwID), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
	
	return hBitmap;
}

HBITMAP CPPHtmlDrawer::GetBitmapFromFile(LPCTSTR lpszPath) const
{
	HBITMAP hBitmap = (HBITMAP)::LoadImage(NULL, lpszPath, IMAGE_BITMAP,
		0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION | LR_DEFAULTSIZE);

	return hBitmap;
}

HBITMAP CPPHtmlDrawer::GetBitmapFromDll(DWORD dwID, LPCTSTR lpszPathDll /* = NULL */) const
{
	if (0 == dwID) return NULL;

	HBITMAP hBitmap = NULL;

	HINSTANCE hInstDll = NULL;
	BOOL bNewDll = FALSE;

	if (NULL == lpszPathDll)
	{
		if (NULL != m_hInstDll)
			hInstDll = m_hInstDll;
	}
	else
	{
		//Load New Library
		hInstDll = ::LoadLibraryEx(lpszPathDll, NULL, 0);
		if (NULL != hInstDll)
			bNewDll = TRUE;	
	}

	if (NULL != hInstDll)
	{
		hBitmap = (HBITMAP)::LoadImage(hInstDll, MAKEINTRESOURCE(dwID), IMAGE_BITMAP,
			0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION | LR_DEFAULTSIZE);

		if (bNewDll)
			::FreeLibrary(hInstDll);
	}

	return hBitmap;
}

CPPString CPPHtmlDrawer::GetStringFromResource(DWORD dwID) const
{
	if (0 == dwID) return _T("");

	CPPString str;
	str.LoadString(dwID);

	return str;
}

CPPString CPPHtmlDrawer::GetStringFromDll(DWORD dwID, LPCTSTR lpszPathDll /* = NULL */) const
{
	if (0 == dwID) return _T("");

	CPPString str = _T("");

	HINSTANCE hInstDll = NULL;
	BOOL bNewDll = FALSE;

	if (NULL == lpszPathDll)
	{
		if (NULL != m_hInstDll)
			hInstDll = m_hInstDll;
	}
	else
	{
		//Load New Library
		hInstDll = ::LoadLibraryEx(lpszPathDll, NULL, 0);
		if (NULL != hInstDll)
			bNewDll = TRUE;	
	}

	if (NULL != hInstDll)
	{
#ifdef _UNICODE
#define CHAR_FUDGE 1    // one TCHAR unused is good enough
#else
#define CHAR_FUDGE 2    // two BYTES unused for case of DBC last char
#endif
		// try fixed buffer first (to avoid wasting space in the heap)
		TCHAR szTemp[256];
		
		DWORD dwLen = ::LoadString(hInstDll, dwID, szTemp, (sizeof(szTemp) * sizeof(TCHAR)));
		// If resource not found (or ::LoadString failure)
		if (0 != dwLen) 
		{
			if ((sizeof(szTemp) * sizeof(TCHAR)) - dwLen > CHAR_FUDGE)
			{
				str = szTemp;
			} // if
			else
			{
				// try buffer size of 512, then larger size until entire string is retrieved
				int nSize = 256;
				do
				{
					nSize += 256;
					dwLen = ::LoadString(hInstDll, dwID, str.GetBuffer(nSize-1), nSize);
				} while (nSize - dwLen <= CHAR_FUDGE);
				str.ReleaseBuffer();
			}
#undef CHAR_FUDGE
		}

		if (bNewDll)
			::FreeLibrary(hInstDll);
	}
	return str;
}

///////////////////////////////////////////////////////////
// Get tooltip string for menu and toolbar items from the 
// resources of the application.
// 
// Parameters:
//		nID - Resource ID of the string
//		nNumParam - Which parameter will gets:
//					 0=long,
//					 1=short,
//					 2=disable
//
//
// Format prompt string:  long prompt \n short prompt \n disable prompt
////////////////////////////////////////////////////////////
CPPString CPPHtmlDrawer::GetResCommandPrompt(UINT nID, UINT nNumParam /* = 0 */)
{
	CPPString str = GetStringFromResource(nID);
	if (!str.IsEmpty())
	{
		int nFirst = 0;
		int nLast = nFirst;
		UINT nCount = 0;
		while ((nCount <= nNumParam) && (nFirst < str.GetLength()))
		{
			nLast = str.Find(_T('\n'), nFirst);
			if (nLast < 0)
			{
				//Char wasn't found
				if (nCount == nNumParam)
					str = str.Mid(nFirst, str.GetLength() - nFirst);
				else
					str.Empty();
				
				return str;
			}
			else
			{
				//Char was found
				if (nCount == nNumParam)
				{
					str = str.Mid(nFirst, nLast - nFirst);
					return str;
				}
				else
				{
					nFirst = nLast + 1;
				} //if
			} //if
			nCount ++;
		} //while
	} //if

	return _T("");
} //End of GetResCommandPrompt

/////////////////////////////////////////////////////////////////////////////
// 
void CPPHtmlDrawer::SetListSpecChars()
{
	AddSpecChar(_T("&amp;"), _T("&"));			// ampersand
	AddSpecChar(_T("&bull;"), _T("\x95\0"));	// bullet  NOT IN MS SANS SERIF
	AddSpecChar(_T("&copy;"), _T("\xA9\0"));	// copyright
//	AddSpecChar(_T("&euro;"), _T("\x80\0"));	// euro sign IN NOT CYRILLIC FONTS
	AddSpecChar(_T("&euro;"), _T("\x88\0"));	// euro sign IN CYRILLIC FONTS
	AddSpecChar(_T("&gt;"), _T(">"));			// greater than
	AddSpecChar(_T("&iquest;"), _T("\xBF\0"));	// inverted question mark
	AddSpecChar(_T("&lt;"), _T("<<"));			// less than
	AddSpecChar(_T("&nbsp;"), _T(" "));			// nonbreaking space
	AddSpecChar(_T("&para;"), _T("\xB6\0"));	// paragraph sign
	AddSpecChar(_T("&pound;"), _T("\xA3\0"));	// pound sign
	AddSpecChar(_T("&quot;"), _T("\""));		// quotation mark
	AddSpecChar(_T("&reg;"), _T("\xAE\0"));		// registered trademark
	AddSpecChar(_T("&trade;"), _T("\x99\0"));	// trademark NOT IN MS SANS SERIF
} //End of SetListSpecChars

void CPPHtmlDrawer::AddSpecChar(LPCTSTR lpszAlias, LPCTSTR lpszValue)
{
	iter_mapStyles iter = m_mapSpecChars.find(lpszAlias);
	
	if (iter != m_mapSpecChars.end())
		iter->second = lpszValue;		//Modifies
	else
		m_mapSpecChars.insert(std::make_pair(lpszAlias, lpszValue)); //Add new
} //End of AddSpecialChar

void CPPHtmlDrawer::ReplaceSpecChars()
{
	CPPString sAlias, sValue;
	for (iter_mapStyles iter = m_mapSpecChars.begin(); iter != m_mapSpecChars.end(); ++iter)
	{
		sAlias = iter->first;
		sValue = iter->second;
		m_csHtmlText.Replace(sAlias, sValue);
	} //for

	m_csHtmlText.Remove(_T('\r'));
	if (!m_bEnableEscapeSequences)
	{
		//ENG: Remove escape sequences
		//RUS: 愉嚯