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2062 lines
61 KiB
2062 lines
61 KiB
//-------------------------------------------------------------------------//
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// markup.cpp - implementation of CMarkup
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//
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#include <ctlspriv.h>
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#include <shpriv.h>
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#include <markup.h>
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#include <oleacc.h>
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#define DllAddRef()
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#define DllRelease()
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typedef WCHAR TUCHAR, *PTUCHAR;
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#define IS_LINK(pBlock) ((pBlock) && (pBlock)->iLink != INVALID_LINK_INDEX)
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#ifndef POINTSPERRECT
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#define POINTSPERRECT (sizeof(RECT)/sizeof(POINT))
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#endif
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#ifndef MIN
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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#define TESTKEYSTATE(vk) ((GetKeyState(vk) & 0x8000)!=0)
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#define LINKCOLOR_ENABLED GetSysColor(COLOR_HOTLIGHT)
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#define LINKCOLOR_DISABLED GetSysColor(COLOR_GRAYTEXT)
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#define SZ_ATTRIBUTE_HREF TEXT("HREF")
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#define SZ_ATTRIBUTE_ID TEXT("ID")
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#define LINKTAG1 TEXT("<A")
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#define cchLINKTAG1 (ARRAYSIZE(LINKTAG1) - 1)
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#define CH_ENDTAG TEXT('>')
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#define LINKTAG2 TEXT("</A>")
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#define cchLINKTAG2 (ARRAYSIZE(LINKTAG2) - 1)
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#define Markup_DestroyMarkup(hMarkup)\
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((IUnknown*)hMarkup)->Release();
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struct RECTLISTENTRY // rect list member
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{
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RECT rc;
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UINT uCharStart;
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UINT uCharCount;
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UINT uLineNumber;
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RECTLISTENTRY* next;
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};
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struct TEXTBLOCK // text segment data
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{
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friend class CMarkup;
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int iLink; // index of link (INVALID_LINK_INDEX if static text)
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DWORD state; // state bits
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TCHAR szID[MAX_LINKID_TEXT]; // link identifier.
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TEXTBLOCK* next; // next block
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RECTLISTENTRY* rgrle; // list of bounding rectangle(s)
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TCHAR* pszText; // text
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TCHAR* pszUrl; // URL.
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TEXTBLOCK();
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~TEXTBLOCK();
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void AddRect(const RECT& rc, UINT uMyCharStart = 0, UINT uMyCharCount = 0, UINT uMyLineNumber = 0);
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void FreeRects();
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};
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class CMarkup : IControlMarkup
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{
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public:
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// API
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friend HRESULT Markup_Create(IMarkupCallback *pMarkupCallback, HFONT hf, HFONT hfu, REFIID riid, void **ppv);
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// IControlMarkup
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STDMETHODIMP SetCallback(IUnknown* punk);
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STDMETHODIMP GetCallback(REFIID riid, void** ppvUnk);
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STDMETHODIMP SetFonts(HFONT hFont, HFONT hFontUnderline);
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STDMETHODIMP GetFonts(HFONT* phFont, HFONT* phFontUnderline);
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STDMETHODIMP SetText(LPCWSTR pwszText);
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STDMETHODIMP GetText(BOOL bRaw, LPWSTR pwszText, DWORD *pdwCch);
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STDMETHODIMP SetLinkText(int iLink, UINT uMarkupLinkText, LPCWSTR pwszText);
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STDMETHODIMP GetLinkText(int iLink, UINT uMarkupLinkText, LPWSTR pwszText, DWORD *pdwCch);
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STDMETHODIMP SetRenderFlags(UINT uDT);
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STDMETHODIMP GetRenderFlags(UINT *puDT, HTHEME *phTheme, int *piPartId, int *piStateIdNormal, int *piStateIdLink);
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STDMETHODIMP SetThemeRenderFlags(UINT uDT, HTHEME hTheme, int iPartId, int iStateIdNormal, int iStateIdLink);
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STDMETHODIMP GetState(int iLink, UINT uStateMask, UINT* puState);
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STDMETHODIMP SetState(int iLink, UINT uStateMask, UINT uState);
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STDMETHODIMP DrawText(HDC hdcClient, LPCRECT prcClient);
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STDMETHODIMP SetLinkCursor();
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STDMETHODIMP CalcIdealSize(HDC hdc, UINT uMarkUpCalc, RECT* prc);
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STDMETHODIMP SetFocus();
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STDMETHODIMP KillFocus();
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STDMETHODIMP IsTabbable();
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STDMETHODIMP OnButtonDown(POINT pt);
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STDMETHODIMP OnButtonUp(POINT pt);
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STDMETHODIMP OnKeyDown(UINT uVitKey);
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STDMETHODIMP HitTest(POINT pt, UINT* pidLink);
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// commented out of IControlMarkup?
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STDMETHODIMP HandleEvent(BOOL keys, HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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// IUnknown
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STDMETHODIMP QueryInterface(REFIID riid, void** ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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private:
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// private constructor
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CMarkup(IMarkupCallback *pMarkupCallback);
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CMarkup();
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~CMarkup();
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friend struct TEXTBLOCK;
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HCURSOR GetLinkCursor();
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BOOL IsMarkupState(UINT uState)
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{
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return _pMarkupCallback && _pMarkupCallback->GetState(uState) == S_OK;
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}
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BOOL IsFocused()
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{
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return IsMarkupState(MARKUPSTATE_FOCUSED);
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}
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BOOL IsMarkupAllowed()
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{
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return IsMarkupState(MARKUPSTATE_ALLOWMARKUP);
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}
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void Parse(LPCTSTR pszText);
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BOOL Add(TEXTBLOCK* pAdd);
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TEXTBLOCK* FindLink(int iLink) const;
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void FreeBlocks();
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void DoNotify(int nCode, int iLink);
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int ThemedDrawText(HDC hdc, LPCTSTR lpString, int nCount, LPRECT lpRect, UINT uFormat, BOOL bLink);
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void Paint(HDC hdc, IN OPTIONAL LPCRECT prcClient = NULL, BOOL bDraw = TRUE);
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BOOL WantTab(int* biFocus = NULL) const;
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void AssignTabFocus(int nDirection);
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int GetNextEnabledLink(int iStart, int nDir) const;
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int StateCount(DWORD dwStateMask, DWORD dwState) const;
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HRESULT _GetNextAnchorTag(LPCTSTR * ppszBlock, int * pcBlocks, LPTSTR pszURL, int cchSize, LPTSTR pszID, int cchID);
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static TEXTBLOCK* CreateBlock(LPCTSTR pszStart, LPCTSTR pszEnd, int iLink);
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// Data
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BOOL _bButtonDown; // true when button is clicked on a link but not yet released
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TEXTBLOCK* _rgBlocks; // linked list of text blocks
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int _cBlocks; // block count
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int _Markups; // link count
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int _iFocus; // index of focus link
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int _cyIdeal;
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int _cxIdeal;
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LPTSTR _pszCaption;
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HFONT _hfStatic,
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_hfLink;
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HCURSOR _hcurHand;
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IMarkupCallback *_pMarkupCallback;
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LONG _cRef;
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UINT _uDrawTextFlags;
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BOOL _bRefreshText;
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RECT _rRefreshRect;
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HTHEME _hTheme; // these 3 for theme compatible drawing
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int _iThemePartId;
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int _iThemeStateIdNormal;
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int _iThemeStateIdLink;
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// static helper methods
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static LPTSTR SkipWhite(LPTSTR);
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static BOOL _AssignBit(const DWORD , DWORD& , const DWORD);
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static BOOL IsStringAlphaNumeric(LPCTSTR);
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static HRESULT _GetNextValueDataPair(LPTSTR * , LPTSTR , int , LPTSTR , int);
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static int _IsLineBreakChar(LPCTSTR , int , TCHAR , OUT BOOL* , BOOL fIgnoreSpace);
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BOOL static _FindLastBreakChar(IN LPCTSTR , IN int , IN TCHAR , OUT int* , OUT BOOL*);
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BOOL _FindFirstLineBreak(IN LPCTSTR pszText, IN int cchText, OUT int* piLast, OUT int* piLineBreakSize);
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};
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CMarkup::CMarkup() :
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_cRef(1),
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_iFocus(INVALID_LINK_INDEX),
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_uDrawTextFlags(DT_LEFT | DT_WORDBREAK),
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_bRefreshText(TRUE),
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_iThemeStateIdLink(1)
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{
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}
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CMarkup::~CMarkup()
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{
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FreeBlocks();
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SetText(NULL);
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if (_pMarkupCallback)
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{
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_pMarkupCallback->Release();
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_pMarkupCallback = NULL;
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}
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}
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inline void MakePoint(LPARAM lParam, OUT LPPOINT ppt)
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{
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POINTS pts = MAKEPOINTS(lParam);
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ppt->x = pts.x;
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ppt->y = pts.y;
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}
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STDAPI Markup_Create(IMarkupCallback *pMarkupCallback, HFONT hf, HFONT hfUnderline, REFIID riid, void **ppv)
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{
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// Create CMarkup
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HRESULT hr = E_FAIL;
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CMarkup* pThis = new CMarkup();
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if (pThis)
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{
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pThis->SetCallback(pMarkupCallback);
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// init fonts
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pThis->SetFonts(hf, hfUnderline);
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// COM stuff
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hr = pThis->QueryInterface(riid, ppv);
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pThis->Release();
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}
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return hr;
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}
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HRESULT CMarkup::QueryInterface(REFIID riid, void **ppv)
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{
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static const QITAB qit[] =
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{
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QITABENT(CMarkup, IControlMarkup),
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{ 0 },
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};
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return QISearch(this, qit, riid, ppv);
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}
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ULONG CMarkup::AddRef()
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{
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return InterlockedIncrement(&_cRef);
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}
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ULONG CMarkup::Release()
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{
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ASSERT( 0 != _cRef );
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ULONG cRef = InterlockedDecrement(&_cRef);
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if ( 0 == cRef )
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{
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delete this;
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}
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return cRef;
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}
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STDMETHODIMP CMarkup::SetCallback(IUnknown* punk)
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{
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if (_pMarkupCallback)
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{
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_pMarkupCallback->Release();
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_pMarkupCallback = NULL;
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}
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if (punk)
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return punk->QueryInterface(IID_PPV_ARG(IMarkupCallback, &_pMarkupCallback));
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// To break reference, pass NULL.
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return S_OK;
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}
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STDMETHODIMP CMarkup::GetCallback(REFIID riid, void** ppvUnk)
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{
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if (_pMarkupCallback)
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return _pMarkupCallback->QueryInterface(riid, ppvUnk);
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return E_NOINTERFACE;
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}
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// IControlMarkup interface implementation
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STDMETHODIMP CMarkup::SetFocus()
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{
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AssignTabFocus(0);
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_pMarkupCallback->InvalidateRect(NULL);
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return S_OK;
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}
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STDMETHODIMP CMarkup::KillFocus()
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{
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// Reset the focus position on request
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_iFocus=INVALID_LINK_INDEX;
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_pMarkupCallback->InvalidateRect(NULL);
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return S_OK;
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}
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STDMETHODIMP CMarkup::IsTabbable()
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{
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HRESULT hr = S_FALSE;
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int nDir = TESTKEYSTATE(VK_SHIFT) ? -1 : 1;
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if (GetNextEnabledLink(_iFocus, nDir) != INVALID_LINK_INDEX)
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{
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hr = S_OK;
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}
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return hr;
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}
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//bugs: calculating ideal 'width' returns bogus valuez
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STDMETHODIMP CMarkup::CalcIdealSize(HDC hdc, UINT uMarkUpCalc, RECT* prc)
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{
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// prc is changed (prc.height or prc.width) only if hr = S_OK
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/* currently:
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MARKUPSIZE_CALCHEIGHT: takes an initial max width (right-left) and calculates
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and ideal height (bottom=ideal_height+top) and the actual width used, which
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is always less than the maximum (right=width_used+left).
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MARKUPSIZE_CALCWIDTH: doesn't do anything correctly. don't try it. */
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HRESULT hr = E_FAIL;
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BOOL bQuitNow = FALSE;
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if (prc == NULL)
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return E_INVALIDARG;
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if (NULL != _rgBlocks && 0 != _cBlocks)
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{
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int cyRet = -1;
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SIZE sizeDC;
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RECT rc;
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if (uMarkUpCalc == MARKUPSIZE_CALCWIDTH)
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{
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// Come up with a conservative estimate for the new width.
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sizeDC.cx = MulDiv(prc->right-prc->left, 1, prc->top-prc->bottom) * 2;
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sizeDC.cy = prc->bottom - prc->top;
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if (sizeDC.cy < 0)
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{
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bQuitNow = TRUE;
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}
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}
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if (uMarkUpCalc == MARKUPSIZE_CALCHEIGHT)
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{
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// Come up with a conservative estimate for the new height.
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sizeDC.cy = MulDiv(prc->top-prc->bottom, 1, prc->right-prc->left) * 2;
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sizeDC.cx = prc->right-prc->left;
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if (sizeDC.cx < 0)
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{
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bQuitNow = TRUE;
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}
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// If no x size is specified, make a big estimate
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// (i.e. the estimate is the x size of the unparsed text)
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if (sizeDC.cx == 0)
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{
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if (!_hTheme)
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{
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GetTextExtentPoint(hdc, _pszCaption, lstrlen(_pszCaption), &sizeDC);
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}
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if (_hTheme)
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{
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// Get theme font size estimate for the larger part-font type
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RECT rcTemp;
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GetThemeTextExtent(_hTheme, hdc, _iThemePartId, _iThemeStateIdNormal, _pszCaption, -1, 0, NULL, &rcTemp);
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sizeDC.cx = rcTemp.right - rcTemp.left;
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GetThemeTextExtent(_hTheme, hdc, _iThemePartId, _iThemeStateIdLink, _pszCaption, -1, 0, NULL, &rcTemp);
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if ((rcTemp.right - rcTemp.left) > sizeDC.cx)
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{
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sizeDC.cx = rcTemp.right - rcTemp.left;
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}
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}
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}
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}
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hr = E_FAIL;
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if (!bQuitNow)
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{
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int cyPrev = _cyIdeal; // push ideal
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int cxPrev = _cxIdeal;
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SetRect(&rc, 0, 0, sizeDC.cx, sizeDC.cy);
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Paint(hdc, &rc, FALSE);
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// save the result
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hr = S_OK;
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if (uMarkUpCalc == MARKUPSIZE_CALCHEIGHT)
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{
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prc->bottom = prc->top + _cyIdeal;
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prc->right = prc->left + _cxIdeal;
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}
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if (uMarkUpCalc == MARKUPSIZE_CALCWIDTH)
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{
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// not implemented -- need to do
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}
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_cyIdeal = cyPrev; // pop ideal
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_cxIdeal = cxPrev;
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}
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}
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if (FAILED(hr))
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{
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SetRect(prc, 0, 0, 0, 0);
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}
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return hr;
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}
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STDMETHODIMP CMarkup::SetLinkCursor()
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{
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SetCursor(GetLinkCursor());
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return S_OK;
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}
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STDMETHODIMP CMarkup::GetFonts(HFONT* phFont, HFONT* phFontUnderline)
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{
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ASSERTMSG(IsBadWritePtr(phFont, sizeof(*phFont)), "Invalid phFont passed to CMarkup::GetFont");
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HRESULT hr = E_FAIL;
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*phFont = NULL;
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*phFontUnderline = NULL;
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if (_hfStatic)
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{
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LOGFONT lf;
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if (GetObject(_hfStatic, sizeof(lf), &lf))
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{
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*phFont = CreateFontIndirect(&lf);
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if (GetObject(_hfLink, sizeof(lf), &lf))
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*phFontUnderline = CreateFontIndirect(&lf);
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hr = S_OK;
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}
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}
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return hr;
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}
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HRESULT CMarkup::SetFonts(HFONT hFont, HFONT hFontUnderline)
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{
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HRESULT hr = S_FALSE;
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_bRefreshText = TRUE;
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_hfStatic = hFont;
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_hfLink = hFontUnderline;
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if (_hfLink != NULL && _hfStatic != NULL)
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{
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hr = S_OK;
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}
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return hr;
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}
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STDMETHODIMP CMarkup::HandleEvent(BOOL keys, HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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/* this function handles:
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WM_KEYDOWN
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WM_BUTTONDOWN
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WM_BUTTONUP
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WM_MOUSEMOVE
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pass it:
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keys - TRUE if you want to handle WM_KEYDOWN
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others - the params from the WndProc
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returns: S_OK if event handled, S_FALSE if no event handled */
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HRESULT hr = S_FALSE;
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if (!hwnd)
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{
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hr = E_INVALIDARG;
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}
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else
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{
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switch (uMsg)
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{
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case WM_KEYDOWN:
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{
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if (keys==TRUE)
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{
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OnKeyDown((UINT)wParam);
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hr = S_OK;
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}
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break;
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}
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case WM_LBUTTONDOWN:
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{
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POINT pt;
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MakePoint(lParam, &pt);
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OnButtonDown(pt);
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hr = S_OK;
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break;
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}
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case WM_LBUTTONUP:
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{
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POINT pt;
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MakePoint(lParam, &pt);
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OnButtonUp(pt);
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hr = S_OK;
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break;
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}
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case WM_MOUSEMOVE:
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{
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POINT pt;
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UINT pidLink;
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MakePoint(lParam, &pt);
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if (HitTest(pt, &pidLink) == S_OK)
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{
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SetLinkCursor();
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}
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hr = S_OK;
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break;
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}
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}
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}
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return hr;
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}
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STDMETHODIMP CMarkup::DrawText(HDC hdcClient, LPCRECT prcClient)
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{
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HRESULT hr = E_INVALIDARG;
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if (prcClient != NULL && hdcClient != NULL)
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{
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Paint(hdcClient, prcClient);
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hr = S_OK;
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}
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return hr;
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}
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|
|
STDMETHODIMP CMarkup::GetText(BOOL bRaw, LPWSTR pwszText, DWORD *pcchText)
|
|
{
|
|
// if passed pwszText==NULL, return the number of characters needed in pcchText
|
|
if (!pwszText)
|
|
{
|
|
// for now, always return raw text, as it will always be larger than necessary
|
|
*pcchText = lstrlen(_pszCaption)+1;
|
|
}
|
|
else
|
|
{
|
|
*pwszText = 0;
|
|
|
|
if (bRaw)
|
|
{
|
|
if (_pszCaption)
|
|
{
|
|
StringCchCopy(pwszText, *pcchText, _pszCaption);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (TEXTBLOCK* pBlock = _rgBlocks; pBlock; pBlock = pBlock->next)
|
|
{
|
|
if (pBlock->pszText)
|
|
{
|
|
StringCchCat(pwszText, *pcchText, pBlock->pszText);
|
|
}
|
|
}
|
|
}
|
|
*pcchText = lstrlen(pwszText);
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP CMarkup::SetText(LPCWSTR pwszText)
|
|
{
|
|
// Note: we don't reparse in the case of same strings
|
|
if (pwszText && 0 == lstrcmp(pwszText, _pszCaption))
|
|
{
|
|
return S_FALSE; // nothing to do.
|
|
}
|
|
|
|
// set the text
|
|
_bRefreshText = TRUE;
|
|
|
|
if (_pszCaption)
|
|
{
|
|
LocalFree(_pszCaption);
|
|
_pszCaption = NULL;
|
|
}
|
|
|
|
_iFocus = INVALID_LINK_INDEX;
|
|
|
|
if (pwszText && *pwszText)
|
|
{
|
|
_pszCaption = StrDup(pwszText); // StrDup gets free'd with LocalFree
|
|
if (_pszCaption)
|
|
{
|
|
Parse(pwszText);
|
|
}
|
|
else
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
STDMETHODIMP CMarkup::SetRenderFlags(UINT uDT)
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
|
|
_bRefreshText = TRUE;
|
|
|
|
// Set drawtext flags, but filter out unsupported modes
|
|
_uDrawTextFlags = uDT;
|
|
_uDrawTextFlags &= ~(DT_CALCRECT | DT_INTERNAL | DT_NOCLIP | DT_NOFULLWIDTHCHARBREAK | DT_EDITCONTROL);
|
|
|
|
// Turn off themedraw
|
|
_hTheme = NULL;
|
|
|
|
hr = S_OK;
|
|
|
|
return hr;
|
|
}
|
|
|
|
STDMETHODIMP CMarkup::SetThemeRenderFlags(UINT uDT, HTHEME hTheme, int iPartId, int iStateIdNormal, int iStateIdLink)
|
|
{
|
|
HRESULT hr = SetRenderFlags(uDT);
|
|
if (hr == S_OK)
|
|
{
|
|
// Turn on themedraw
|
|
_hTheme = hTheme;
|
|
_iThemePartId = iPartId;
|
|
_iThemeStateIdNormal = iStateIdNormal;
|
|
_iThemeStateIdLink = iStateIdLink;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CMarkup::GetRenderFlags(UINT *puDT, HTHEME *phTheme, int *piPartId, int *piStateIdNormal, int *piStateIdLink)
|
|
{
|
|
*puDT = _uDrawTextFlags;
|
|
*phTheme = _hTheme;
|
|
*piPartId = _iThemePartId;
|
|
*piStateIdNormal = _iThemeStateIdNormal;
|
|
*piStateIdLink = _iThemeStateIdLink;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
|
|
// WM_KEYDOWN handler - exposed as COM
|
|
STDMETHODIMP CMarkup::OnKeyDown(UINT virtKey)
|
|
{
|
|
// returns: S_FALSE unless key handled, then S_OK
|
|
// (so if you pass a VK_TAB and it isn't handled, pass on focus)
|
|
HRESULT hr = S_FALSE;
|
|
|
|
switch(virtKey)
|
|
{
|
|
case VK_TAB:
|
|
if (WantTab(&_iFocus))
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
_pMarkupCallback->InvalidateRect(NULL);
|
|
break;
|
|
|
|
case VK_RETURN:
|
|
case VK_SPACE:
|
|
{
|
|
TEXTBLOCK * pBlock = FindLink(_iFocus);
|
|
if (pBlock)
|
|
{
|
|
DoNotify (MARKUPMESSAGE_KEYEXECUTE, _iFocus);
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CMarkup::OnButtonDown(const POINT pt)
|
|
{
|
|
// returns: S_FALSE unless button down on link, then S_OK
|
|
// note: OnButtonDown no longer turns on capturing all mouse events. Not sure if this will have any negative effect.
|
|
|
|
HRESULT hr = S_FALSE;
|
|
|
|
UINT iLink;
|
|
|
|
if (HitTest(pt, &iLink) == S_OK)
|
|
{
|
|
hr = S_OK;
|
|
SetLinkCursor();
|
|
_iFocus = iLink;
|
|
_bButtonDown = TRUE;
|
|
|
|
if (! (IsFocused()))
|
|
{
|
|
/* this is our way of telling the host we want focus. */
|
|
DoNotify (MARKUPMESSAGE_WANTFOCUS, _iFocus);
|
|
}
|
|
_pMarkupCallback->InvalidateRect(NULL);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CMarkup::OnButtonUp(const POINT pt)
|
|
{
|
|
// returns: S_FALSE unless notification sent, then S_OK
|
|
HRESULT hr = S_FALSE;
|
|
|
|
if (_bButtonDown == TRUE)
|
|
{
|
|
_bButtonDown = FALSE;
|
|
|
|
// if the focus link contains the point, we can
|
|
// notify the callback of a click event.
|
|
INT iHit;
|
|
HitTest(pt, (UINT*) &iHit);
|
|
TEXTBLOCK* pBlock = FindLink(_iFocus);
|
|
if (pBlock &&
|
|
(pBlock->state & LIS_ENABLED) != 0 &&
|
|
_iFocus == iHit)
|
|
{
|
|
hr = S_OK;
|
|
DoNotify (MARKUPMESSAGE_CLICKEXECUTE, _iFocus);
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CMarkup::HitTest(const POINT pt, UINT* pidLink)
|
|
{
|
|
// returns S_OK only if pidLink is not INVALID_LINK_INDEX
|
|
HRESULT hr = S_FALSE;
|
|
*pidLink = INVALID_LINK_INDEX;
|
|
|
|
// Walk blocks until we find a link rect that contains the point
|
|
TEXTBLOCK* pBlock;
|
|
for(pBlock = _rgBlocks; pBlock; pBlock = pBlock->next)
|
|
{
|
|
if (IS_LINK(pBlock) && (pBlock->state & LIS_ENABLED)!=0)
|
|
{
|
|
RECTLISTENTRY* prce;
|
|
for(prce = pBlock->rgrle; prce; prce = prce->next)
|
|
{
|
|
if (PtInRect(&prce->rc, pt))
|
|
{
|
|
hr = S_OK;
|
|
*pidLink = pBlock->iLink;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CMarkup::SetLinkText(int iLink, UINT uMarkupLinkText, LPCWSTR pwszText)
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
TEXTBLOCK* pBlock = FindLink(iLink);
|
|
|
|
if (pBlock)
|
|
{
|
|
hr = S_OK;
|
|
|
|
switch (uMarkupLinkText)
|
|
{
|
|
case MARKUPLINKTEXT_ID:
|
|
StringCchCopy(pBlock->szID, ARRAYSIZE(pBlock->szID), pwszText);
|
|
break;
|
|
|
|
case MARKUPLINKTEXT_URL:
|
|
Str_SetPtr(&pBlock->pszUrl, pwszText);
|
|
break;
|
|
|
|
case MARKUPLINKTEXT_TEXT:
|
|
Str_SetPtr(&pBlock->pszText, pwszText);
|
|
break;
|
|
default:
|
|
hr = S_FALSE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CMarkup::GetLinkText(int iLink, UINT uMarkupLinkText, LPWSTR pwszText, DWORD *pdwCch)
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
TEXTBLOCK* pBlock = FindLink(iLink);
|
|
|
|
if (pBlock)
|
|
{
|
|
LPCTSTR pszSource;
|
|
|
|
switch (uMarkupLinkText)
|
|
{
|
|
case MARKUPLINKTEXT_ID:
|
|
pszSource = pBlock->szID;
|
|
hr = S_OK;
|
|
break;
|
|
|
|
case MARKUPLINKTEXT_URL:
|
|
pszSource = pBlock->pszUrl;
|
|
hr = S_OK;
|
|
break;
|
|
|
|
case MARKUPLINKTEXT_TEXT:
|
|
pszSource = pBlock->pszText;
|
|
hr = S_OK;
|
|
break;
|
|
}
|
|
if (hr == S_OK)
|
|
{
|
|
if (pwszText)
|
|
{
|
|
if (pszSource == NULL)
|
|
{
|
|
pszSource = TEXT("");
|
|
}
|
|
|
|
StringCchCopy(pwszText, *pdwCch, pszSource);
|
|
*pdwCch = lstrlen(pwszText); // fill in number of characters actually copied
|
|
}
|
|
else
|
|
*pdwCch = lstrlen(pszSource)+1; // fill in number of characters needed, including NULL
|
|
}
|
|
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
#define MARKUPSTATE_VALID (MARKUPSTATE_ENABLED | MARKUPSTATE_VISITED | MARKUPSTATE_FOCUSED)
|
|
|
|
HRESULT CMarkup::SetState(int iLink, UINT uStateMask, UINT uState)
|
|
{
|
|
BOOL bRedraw = FALSE;
|
|
HRESULT hr = E_FAIL;
|
|
TEXTBLOCK* pBlock = FindLink(iLink);
|
|
|
|
if (uStateMask & ~MARKUPSTATE_VALID)
|
|
return E_INVALIDARG;
|
|
|
|
if (pBlock)
|
|
{
|
|
hr = S_OK;
|
|
if (uStateMask & MARKUPSTATE_ENABLED)
|
|
{
|
|
bRedraw |= _AssignBit(MARKUPSTATE_ENABLED, pBlock->state, uState);
|
|
int cEnabledLinks = StateCount(MARKUPSTATE_ENABLED, MARKUPSTATE_ENABLED);
|
|
}
|
|
|
|
if (uStateMask & MARKUPSTATE_VISITED)
|
|
{
|
|
bRedraw |= _AssignBit(MARKUPSTATE_VISITED, pBlock->state, uState);
|
|
}
|
|
|
|
if (uStateMask & MARKUPSTATE_FOCUSED)
|
|
{
|
|
// Focus assignment is handled differently;
|
|
// one and only one link can have focus...
|
|
if (uState & MARKUPSTATE_FOCUSED)
|
|
{
|
|
bRedraw |= (_iFocus != iLink);
|
|
_iFocus = iLink;
|
|
}
|
|
else
|
|
{
|
|
bRedraw |= (_iFocus == iLink);
|
|
_iFocus = INVALID_LINK_INDEX;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bRedraw)
|
|
{
|
|
_pMarkupCallback->InvalidateRect(NULL);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CMarkup::GetState(int iLink, UINT uStateMask, UINT* puState)
|
|
{
|
|
HRESULT hr = E_FAIL;
|
|
TEXTBLOCK* pBlock = FindLink(iLink);
|
|
|
|
if (pBlock && puState != NULL)
|
|
{
|
|
hr = S_FALSE;
|
|
*puState = 0;
|
|
if (uStateMask & MARKUPSTATE_FOCUSED)
|
|
{
|
|
if (_iFocus == iLink)
|
|
*puState |= MARKUPSTATE_FOCUSED;
|
|
hr = S_OK;
|
|
}
|
|
|
|
if (uStateMask & MARKUPSTATE_ENABLED)
|
|
{
|
|
if (pBlock->state & MARKUPSTATE_ENABLED)
|
|
*puState |= MARKUPSTATE_ENABLED;
|
|
hr = S_OK;
|
|
}
|
|
|
|
if (uStateMask & MARKUPSTATE_VISITED)
|
|
{
|
|
if (pBlock->state & MARKUPSTATE_VISITED)
|
|
*puState |= MARKUPSTATE_VISITED;
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------//
|
|
// CMarkup internal implementation
|
|
//-------------------------------------------------------------------------//
|
|
|
|
void CMarkup::FreeBlocks()
|
|
{
|
|
for(TEXTBLOCK* pBlock = _rgBlocks; pBlock; )
|
|
{
|
|
TEXTBLOCK* pNext = pBlock->next;
|
|
delete pBlock;
|
|
pBlock = pNext;
|
|
}
|
|
_rgBlocks = NULL;
|
|
_cBlocks = _Markups = 0;
|
|
}
|
|
|
|
TEXTBLOCK* CMarkup::CreateBlock(LPCTSTR pszStart, LPCTSTR pszEnd, int iLink)
|
|
{
|
|
TEXTBLOCK* pBlock = NULL;
|
|
int cch = (int)(pszEnd - pszStart) + 1;
|
|
if (cch > 0)
|
|
{
|
|
pBlock = new TEXTBLOCK;
|
|
if (pBlock)
|
|
{
|
|
pBlock->pszText = new TCHAR[cch];
|
|
if (pBlock->pszText == NULL)
|
|
{
|
|
delete pBlock;
|
|
pBlock = NULL;
|
|
}
|
|
else
|
|
{
|
|
StringCchCopy(pBlock->pszText, cch, pszStart);
|
|
pBlock->iLink = iLink;
|
|
}
|
|
}
|
|
}
|
|
return pBlock;
|
|
}
|
|
|
|
HCURSOR CMarkup::GetLinkCursor()
|
|
{
|
|
if (!_hcurHand)
|
|
{
|
|
_hcurHand = LoadCursor(NULL, IDC_HAND);
|
|
}
|
|
|
|
return _hcurHand;
|
|
}
|
|
|
|
HRESULT CMarkup::_GetNextAnchorTag(LPCTSTR * ppszBlock, int * pcBlocks, LPTSTR pszURL, int cchSize, LPTSTR pszID, int cchID)
|
|
{
|
|
HRESULT hr = E_FAIL;
|
|
LPTSTR pszStartOfTag;
|
|
LPTSTR pszIterate = (LPTSTR)*ppszBlock;
|
|
LPTSTR pszStartTry = (LPTSTR)*ppszBlock; // We start looking for "<A" at the beginning.
|
|
|
|
pszURL[0] = 0;
|
|
pszID[0] = 0;
|
|
|
|
// While we find a possible start of a tag.
|
|
while ((pszStartOfTag = StrStrI(pszStartTry, LINKTAG1)) != NULL)
|
|
{
|
|
// See if the rest of the string completes the tag.
|
|
pszIterate = pszStartOfTag;
|
|
pszStartTry = CharNext(pszStartOfTag); // Do this so the while loop will end when we finish don't find any more "<A".
|
|
|
|
if (pszIterate[0])
|
|
{
|
|
pszIterate += cchLINKTAG1; // Skip past the start of the tag.
|
|
|
|
// Walk thru the Value/Data pairs in the tag
|
|
TCHAR szValue[MAX_PATH];
|
|
TCHAR szData[L_MAX_URL_LENGTH];
|
|
|
|
pszIterate = SkipWhite(pszIterate); // SkipWhiteSpace
|
|
while ((CH_ENDTAG != pszIterate[0]) &&
|
|
SUCCEEDED(_GetNextValueDataPair(&pszIterate, szValue, ARRAYSIZE(szValue), szData, ARRAYSIZE(szData))))
|
|
{
|
|
if (0 == StrCmpI(szValue, SZ_ATTRIBUTE_HREF))
|
|
{
|
|
StringCchCopy(pszURL, cchSize, szData);
|
|
}
|
|
else if (0 == StrCmpI(szValue, SZ_ATTRIBUTE_ID))
|
|
{
|
|
StringCchCopy(pszID, cchID, szData);
|
|
}
|
|
else
|
|
{
|
|
// We ignore other pairs in order to be back-compat with future
|
|
// supported attributes.
|
|
}
|
|
|
|
pszIterate = SkipWhite(pszIterate);
|
|
}
|
|
|
|
if (CH_ENDTAG == pszIterate[0])
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
// Add run between psz1 and pszBlock as static text
|
|
if (pszStartOfTag > *ppszBlock)
|
|
{
|
|
TEXTBLOCK * pBlock = CreateBlock(*ppszBlock, pszStartOfTag, INVALID_LINK_INDEX);
|
|
if (NULL != pBlock)
|
|
{
|
|
Add(pBlock);
|
|
(*pcBlocks)++;
|
|
}
|
|
}
|
|
|
|
*ppszBlock = CharNext(pszIterate); // Skip past the tag's ">"
|
|
// We found an entire tag. Stop looking.
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
// The "<A" we tried wasn't a valid tag. Are we at the end of the string?
|
|
// If not, let's keep looking for other "<A" that may be valid.
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
void CMarkup::Parse(LPCTSTR pszText)
|
|
{
|
|
TEXTBLOCK* pBlock;
|
|
int cBlocks = 0, Markups = 0;
|
|
LPCTSTR psz1, psz2, pszBlock;
|
|
LPTSTR pszBuf = NULL;
|
|
|
|
FreeBlocks(); // free existing blocks
|
|
|
|
pszBuf = (LPTSTR)pszText;
|
|
|
|
if (!(pszBuf && *pszBuf))
|
|
{
|
|
goto exit;
|
|
}
|
|
|
|
for(pszBlock = pszBuf; pszBlock && *pszBlock;)
|
|
{
|
|
TCHAR szURL[L_MAX_URL_LENGTH];
|
|
TCHAR szID[MAX_LINKID_TEXT];
|
|
|
|
// Search for "<a>" tag
|
|
if (IsMarkupAllowed() &&
|
|
SUCCEEDED(_GetNextAnchorTag(&pszBlock, &cBlocks, szURL, ARRAYSIZE(szURL), szID, ARRAYSIZE(szID))))
|
|
{
|
|
psz1 = pszBlock; // After _GetNextAnchorTag(), pszBlock points to the char after the start tag.
|
|
if (psz1 && *psz1)
|
|
{
|
|
if ((psz2 = StrStrI(pszBlock, LINKTAG2)) != NULL)
|
|
{
|
|
if ((pBlock = CreateBlock(psz1, psz2, Markups)) != NULL)
|
|
{
|
|
if (szURL[0])
|
|
{
|
|
Str_SetPtr(&pBlock->pszUrl, szURL);
|
|
}
|
|
if (szID[0])
|
|
{
|
|
StringCchCopy(pBlock->szID, ARRAYSIZE(pBlock->szID), szID);
|
|
}
|
|
|
|
Add(pBlock);
|
|
cBlocks++;
|
|
Markups++;
|
|
}
|
|
|
|
// safe-skip over tag
|
|
for(int i = 0;
|
|
i < cchLINKTAG2 && psz2 && *psz2;
|
|
i++, psz2 = CharNext(psz2));
|
|
|
|
pszBlock = psz2;
|
|
}
|
|
else // syntax error; mark trailing run is static text.
|
|
{
|
|
psz2 = pszBlock + lstrlen(pszBlock);
|
|
if ((pBlock = CreateBlock(psz1, psz2, INVALID_LINK_INDEX)) != NULL)
|
|
{
|
|
Add(pBlock);
|
|
cBlocks++;
|
|
}
|
|
pszBlock = psz2;
|
|
}
|
|
}
|
|
}
|
|
else // no more tags. Mark the last run of static text
|
|
{
|
|
psz2 = pszBlock + lstrlen(pszBlock);
|
|
if ((pBlock = CreateBlock(pszBlock, psz2, INVALID_LINK_INDEX)) != NULL)
|
|
{
|
|
Add(pBlock);
|
|
cBlocks++;
|
|
}
|
|
pszBlock = psz2;
|
|
}
|
|
}
|
|
|
|
ASSERT(cBlocks == _cBlocks);
|
|
ASSERT(Markups == _Markups);
|
|
|
|
exit:
|
|
if (!pszText && pszBuf) // delete text buffer if we had alloc'd it.
|
|
{
|
|
delete [] pszBuf;
|
|
}
|
|
}
|
|
|
|
BOOL CMarkup::Add(TEXTBLOCK* pAdd)
|
|
{
|
|
BOOL bAdded = FALSE;
|
|
pAdd->next = NULL;
|
|
|
|
if (!_rgBlocks)
|
|
{
|
|
_rgBlocks = pAdd;
|
|
bAdded = TRUE;
|
|
}
|
|
else
|
|
{
|
|
for(TEXTBLOCK* pBlock = _rgBlocks; pBlock && !bAdded; pBlock = pBlock->next)
|
|
{
|
|
if (!pBlock->next)
|
|
{
|
|
pBlock->next = pAdd;
|
|
bAdded = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bAdded)
|
|
{
|
|
_cBlocks++;
|
|
if (IS_LINK(pAdd))
|
|
{
|
|
_Markups++;
|
|
}
|
|
}
|
|
|
|
return bAdded;
|
|
}
|
|
|
|
TEXTBLOCK* CMarkup::FindLink(int iLink) const
|
|
{
|
|
if (iLink == INVALID_LINK_INDEX)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
for(TEXTBLOCK* pBlock = _rgBlocks; pBlock; pBlock = pBlock->next)
|
|
{
|
|
if (IS_LINK(pBlock) && pBlock->iLink == iLink)
|
|
return pBlock;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
// NOTE: optimizatation! skip drawing loop when called for calcrect!
|
|
void CMarkup::Paint(HDC hdcClient, LPCRECT prcClient, BOOL bDraw)
|
|
{
|
|
HDC hdc = hdcClient;
|
|
COLORREF rgbOld = GetTextColor(hdc); // save text color
|
|
HFONT hFontOld = (HFONT) GetCurrentObject(hdc, OBJ_FONT);
|
|
TEXTBLOCK* pBlock;
|
|
BOOL fFocus = IsFocused();
|
|
if (_cBlocks == 1)
|
|
{
|
|
pBlock = _rgBlocks;
|
|
HFONT hFont = _hfStatic;
|
|
|
|
pBlock->FreeRects(); // free hit/focus rects; we're going to recompute.
|
|
|
|
|
|
if (IS_LINK(pBlock))
|
|
{
|
|
SetTextColor(hdc, (pBlock->state & LIS_ENABLED) ? LINKCOLOR_ENABLED : LINKCOLOR_DISABLED);
|
|
hFont = _hfLink;
|
|
}
|
|
|
|
if (hFont)
|
|
{
|
|
SelectObject(hdc, hFont);
|
|
}
|
|
|
|
RECT rc = *prcClient;
|
|
int cch = lstrlen(pBlock->pszText);
|
|
|
|
ThemedDrawText(hdc, pBlock->pszText, cch, &rc, _uDrawTextFlags | DT_CALCRECT, IS_LINK(pBlock));
|
|
|
|
pBlock->AddRect(rc, 0, cch, 0);
|
|
|
|
_cyIdeal = RECTHEIGHT(rc);
|
|
_cxIdeal = RECTWIDTH(rc);
|
|
|
|
if (bDraw)
|
|
{
|
|
ThemedDrawText(hdc, pBlock->pszText, cch, &rc, _uDrawTextFlags, IS_LINK(pBlock));
|
|
|
|
if (fFocus)
|
|
{
|
|
SetTextColor(hdc, rgbOld); // restore text color
|
|
DrawFocusRect(hdc, &rc);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
TEXTMETRIC tm;
|
|
int iLineWidth[255]; // line index offset
|
|
int iLine = 0, // current line index
|
|
cyLine = 0, // line height.
|
|
cyLeading = 0, // internal leading
|
|
_cchOldDrawn = 1; // get out of infinite loop if window too small t-jklann
|
|
RECT rcDraw = *prcClient; // initialize line rect
|
|
_cxIdeal = 0;
|
|
|
|
// Initialize iLineWidth (just index 0, others init on use)
|
|
iLineWidth[0]=0;
|
|
|
|
// Get font metrics into cyLeading
|
|
if (!_hTheme)
|
|
{
|
|
SelectObject(hdc, _hfLink);
|
|
GetTextMetrics(hdc, &tm);
|
|
if (tm.tmExternalLeading > cyLeading)
|
|
{
|
|
cyLeading = tm.tmExternalLeading;
|
|
}
|
|
SelectObject(hdc, _hfStatic);
|
|
GetTextMetrics(hdc, &tm);
|
|
if (tm.tmExternalLeading > cyLeading)
|
|
{
|
|
cyLeading = tm.tmExternalLeading;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
GetThemeTextMetrics(_hTheme, hdc, _iThemePartId, _iThemeStateIdNormal, &tm);
|
|
if (tm.tmExternalLeading > cyLeading)
|
|
{
|
|
cyLeading = tm.tmExternalLeading;
|
|
}
|
|
GetThemeTextMetrics(_hTheme, hdc, _iThemePartId, _iThemeStateIdLink, &tm);
|
|
if (tm.tmExternalLeading > cyLeading)
|
|
{
|
|
cyLeading = tm.tmExternalLeading;
|
|
}
|
|
}
|
|
|
|
// Save us a lot of time if text hasn't changed...
|
|
if (_bRefreshText == TRUE || !EqualRect(&_rRefreshRect, prcClient))
|
|
{
|
|
UINT uDrawTextCalc = _uDrawTextFlags | DT_CALCRECT | DT_SINGLELINE;
|
|
uDrawTextCalc &= ~(DT_CENTER | DT_LEFT | DT_RIGHT | DT_VCENTER | DT_BOTTOM);
|
|
|
|
BOOL bKillingLine = FALSE;
|
|
|
|
// For each block of text (calculation loop)...
|
|
for(pBlock = _rgBlocks; pBlock; pBlock = pBlock->next)
|
|
{
|
|
// font select (so text will draw correctly)
|
|
if (!_hTheme)
|
|
{
|
|
BOOL bLink = IS_LINK(pBlock);
|
|
HFONT hFont = bLink ? _hfLink : _hfStatic;
|
|
if (hFont)
|
|
{
|
|
SelectObject(hdc, hFont);
|
|
}
|
|
}
|
|
|
|
int cchDraw = lstrlen(pBlock->pszText); // chars to draw, this block
|
|
int cchDrawn = 0; // chars to draw, this block
|
|
LPTSTR pszText = &pBlock->pszText[cchDrawn];
|
|
LPTSTR pszTextOriginal = &pBlock->pszText[cchDrawn];
|
|
|
|
pBlock->FreeRects(); // free hit/focus rects; we're going to recompute.
|
|
|
|
// while text remains in this block...
|
|
_cchOldDrawn = 1;
|
|
while(cchDraw > 0 && !((_uDrawTextFlags & DT_SINGLELINE) && (iLine>0)))
|
|
{
|
|
// compute line height and maximum text width to rcBlock
|
|
RECT rcBlock;
|
|
int cchTry = cchDraw;
|
|
int cchTrySave = cchTry;
|
|
int cchBreak = 0;
|
|
int iLineBreakSize;
|
|
BOOL bRemoveBreak = FALSE;
|
|
BOOL bRemoveLineBreak = FALSE;
|
|
RECT rcCalc;
|
|
CopyRect(&rcCalc, &rcDraw);
|
|
|
|
// support multiline text phrases
|
|
bRemoveLineBreak = _FindFirstLineBreak(pszText, cchTry, &cchBreak, &iLineBreakSize);
|
|
if (bRemoveLineBreak)
|
|
{
|
|
cchTry = cchBreak;
|
|
}
|
|
|
|
// find out how much we can fit on this line within the rectangle
|
|
// calc rect breaking at breakpoints (or -1 char) until rectangle fits inside drawing rect.
|
|
for(;;)
|
|
{
|
|
// choose codepath: themes or normal drawtext (no exttextout path)
|
|
|
|
// now we use drawtext to preserve formatting options (tabs/underlines)
|
|
ThemedDrawText(hdc, pszText, cchTry, &rcCalc, uDrawTextCalc, IS_LINK(pBlock));
|
|
cyLine = RECTHEIGHT(rcCalc);
|
|
|
|
// special case: support \n as only character on line (we need a valid line width & length)
|
|
if (cchTry == 0 && bRemoveLineBreak==TRUE)
|
|
{
|
|
// these two lines adjust drawing to within a valid range when the \n is barely cut off
|
|
rcCalc.left = prcClient->left;
|
|
rcCalc.right = prcClient->right;
|
|
cyLine = ThemedDrawText(hdc, TEXT("a"), 1, &rcCalc, uDrawTextCalc, IS_LINK(pBlock));
|
|
// the "a" could be any text. It exists because passing "\n" to DrawText doesn't return a valid line height.
|
|
rcCalc.right = rcCalc.left;
|
|
}
|
|
|
|
if (RECTWIDTH(rcCalc) > RECTWIDTH(rcDraw))
|
|
{
|
|
// too big
|
|
cchTrySave = cchTry;
|
|
BOOL fBreak = _FindLastBreakChar(pszText, cchTry, tm.tmBreakChar, &cchTry, &bRemoveBreak);
|
|
|
|
// case that our strings ends with a valid break char
|
|
if (cchTrySave == cchTry && cchTry > 0)
|
|
{
|
|
cchTry--;
|
|
}
|
|
|
|
// this code allows character wrapping instead of just word wrapping.
|
|
// keep it in case we want to change the behavior.
|
|
if (!fBreak && prcClient->left == rcDraw.left)
|
|
{
|
|
// no break character found, so force a break if we can.
|
|
if (cchTrySave > 0)
|
|
{
|
|
cchTry = cchTrySave - 1;
|
|
}
|
|
}
|
|
if (cchTry > 0)
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
// if our line break got clipped, turn off line break..
|
|
if (bRemoveLineBreak && cchBreak > cchTry)
|
|
{
|
|
bRemoveLineBreak = FALSE;
|
|
}
|
|
|
|
// Count the # chars drawn, account for clipping
|
|
cchDrawn = cchTry;
|
|
if ((cchTry < cchDraw) && bRemoveLineBreak)
|
|
{
|
|
cchDrawn+=iLineBreakSize;
|
|
}
|
|
|
|
// DT_WORDBREAK off support
|
|
// Kill this line if bKillingLine is true; i.e. pretend we drew it, but do nothing
|
|
if (bKillingLine)
|
|
{
|
|
pszText += cchDrawn;
|
|
}
|
|
else
|
|
{
|
|
// initialize drawing rectangle and block rectangle
|
|
SetRect(&rcBlock, rcCalc.left , 0, rcCalc.right , RECTHEIGHT(rcCalc));
|
|
rcDraw.right = min(rcDraw.left + RECTWIDTH(rcBlock), prcClient->right);
|
|
rcDraw.bottom = rcDraw.top + cyLine;
|
|
|
|
// Add rectangle to block's list and update line width and ideal x width
|
|
// (Only if we're actually going to draw this line, though)
|
|
if (cchTry)
|
|
{
|
|
// DT_SINGLELINE support
|
|
if (!((_uDrawTextFlags & DT_SINGLELINE) == DT_SINGLELINE) || (iLine == 0))
|
|
{
|
|
pBlock->AddRect(rcDraw, (UINT) (pszText-pszTextOriginal), cchDrawn, iLine);
|
|
}
|
|
iLineWidth[iLine] = max(iLineWidth[iLine], rcDraw.left - prcClient->left + RECTWIDTH(rcBlock));
|
|
_cxIdeal = max(_cxIdeal, iLineWidth[iLine]);
|
|
}
|
|
|
|
if (cchTry < cchDraw) // we got clipped
|
|
{
|
|
if (bRemoveBreak)
|
|
{
|
|
cchDrawn++;
|
|
}
|
|
pszText += cchDrawn;
|
|
|
|
// advance to next line and init next linewidth
|
|
iLine++;
|
|
iLineWidth[iLine]=0;
|
|
|
|
// t-jklann 6/00: added support for line wrap in displaced text (left&top)
|
|
rcDraw.left = prcClient->left;
|
|
if (!(_uDrawTextFlags & DT_SINGLELINE))
|
|
{
|
|
rcDraw.top = prcClient->top + iLine * cyLine;
|
|
}
|
|
else
|
|
{
|
|
rcDraw.top = prcClient->top;
|
|
}
|
|
rcDraw.bottom = rcDraw.top + cyLine + cyLeading;
|
|
rcDraw.right = prcClient->right;
|
|
}
|
|
else // we were able to draw the entire text
|
|
{
|
|
// adjust drawing rectangle
|
|
rcDraw.left += RECTWIDTH(rcBlock);
|
|
rcDraw.right = prcClient->right;
|
|
}
|
|
|
|
// Update ideal y width
|
|
_cyIdeal = rcDraw.bottom - prcClient->top;
|
|
}
|
|
|
|
// support for: DT_WORDBREAK turned off
|
|
// Kill the next line if we got clipped and there's no wordbreak
|
|
if (((_uDrawTextFlags & DT_WORDBREAK) != DT_WORDBREAK))
|
|
{
|
|
if (cchTry < cchDraw )
|
|
{
|
|
bKillingLine = TRUE;
|
|
}
|
|
if (bRemoveLineBreak)
|
|
{
|
|
bKillingLine = FALSE;
|
|
}
|
|
}
|
|
|
|
// Update calculation of chars drawn
|
|
cchDraw -= cchDrawn;
|
|
|
|
// bug catch: get out if we really can't draw
|
|
if (_cchOldDrawn == 0 && cchDrawn == 0)
|
|
{
|
|
iLine--;
|
|
rcDraw.top = prcClient->top + iLine * cyLine;
|
|
cchDraw = 0;
|
|
}
|
|
_cchOldDrawn = cchDrawn;
|
|
}
|
|
}
|
|
|
|
// Handle justification issues (DT_VCENTER, DT_TOP, DT_BOTTOM)
|
|
if (((_uDrawTextFlags & DT_SINGLELINE) == DT_SINGLELINE) &&
|
|
((_uDrawTextFlags & (DT_VCENTER | DT_BOTTOM)) > 0))
|
|
{
|
|
// Calc offset
|
|
int cyOffset = 0;
|
|
if ((_uDrawTextFlags & DT_VCENTER) == DT_VCENTER)
|
|
{
|
|
cyOffset = (RECTHEIGHT(*prcClient) - _cyIdeal)/2;
|
|
}
|
|
if ((_uDrawTextFlags & DT_BOTTOM) == DT_BOTTOM)
|
|
{
|
|
cyOffset = (RECTHEIGHT(*prcClient) - _cyIdeal);
|
|
}
|
|
|
|
// Offset every rectangle
|
|
for(pBlock = _rgBlocks; pBlock; pBlock = pBlock->next)
|
|
{
|
|
for(RECTLISTENTRY* prce = pBlock->rgrle; prce; prce = prce->next)
|
|
{
|
|
prce->rc.top += cyOffset;
|
|
prce->rc.bottom += cyOffset;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Handle justification issues (DT_CENTER, DT_LEFT, DT_RIGHT)
|
|
if (((_uDrawTextFlags & DT_CENTER) == DT_CENTER) || ((_uDrawTextFlags & DT_RIGHT) == DT_RIGHT))
|
|
{
|
|
// Step 1: turn iLineWidth into an offset vector
|
|
for (int i = 0; i <= iLine; i++)
|
|
{
|
|
if (RECTWIDTH(*prcClient) > iLineWidth[i])
|
|
{
|
|
if ((_uDrawTextFlags & DT_CENTER) == DT_CENTER)
|
|
{
|
|
iLineWidth[i] = (RECTWIDTH(*prcClient)-iLineWidth[i])/2;
|
|
}
|
|
if ((_uDrawTextFlags & DT_RIGHT) == DT_RIGHT)
|
|
{
|
|
iLineWidth[i] = (RECTWIDTH(*prcClient)-iLineWidth[i]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
iLineWidth[i] = 0;
|
|
}
|
|
}
|
|
|
|
// Step 2: offset every rect-angle
|
|
for(pBlock = _rgBlocks; pBlock; pBlock = pBlock->next)
|
|
{
|
|
for(RECTLISTENTRY* prce = pBlock->rgrle; prce; prce = prce->next)
|
|
{
|
|
prce->rc.left += iLineWidth[prce->uLineNumber];
|
|
prce->rc.right += iLineWidth[prce->uLineNumber];
|
|
}
|
|
}
|
|
}
|
|
|
|
CopyRect(&_rRefreshRect, prcClient);
|
|
_bRefreshText = FALSE;
|
|
}
|
|
|
|
if (bDraw)
|
|
{
|
|
// For each block of text (drawing loop)...
|
|
UINT uDrawTextDraw = _uDrawTextFlags | DT_SINGLELINE;
|
|
uDrawTextDraw &= ~(DT_CENTER | DT_LEFT | DT_RIGHT | DT_CALCRECT | DT_VCENTER | DT_BOTTOM);
|
|
LRESULT dwCustomDraw=0;
|
|
_pMarkupCallback->OnCustomDraw(CDDS_PREPAINT, hdc, prcClient, 0, 0, &dwCustomDraw);
|
|
|
|
for(pBlock = _rgBlocks; pBlock; pBlock = pBlock->next)
|
|
{
|
|
BOOL bLink = IS_LINK(pBlock);
|
|
BOOL bEnabled = pBlock->state & LIS_ENABLED;
|
|
|
|
// font select
|
|
if (!_hTheme)
|
|
{
|
|
HFONT hFont = bLink ? _hfLink : _hfStatic;
|
|
if (hFont)
|
|
{
|
|
SelectObject(hdc, hFont);
|
|
}
|
|
}
|
|
|
|
// initialize foreground color
|
|
if (!_hTheme)
|
|
{
|
|
if (bLink)
|
|
{
|
|
SetTextColor(hdc, bEnabled ? LINKCOLOR_ENABLED : LINKCOLOR_DISABLED);
|
|
}
|
|
else
|
|
{
|
|
SetTextColor(hdc, rgbOld); // restore text color
|
|
}
|
|
}
|
|
if (dwCustomDraw & CDRF_NOTIFYITEMDRAW)
|
|
{
|
|
_pMarkupCallback->OnCustomDraw(CDDS_ITEMPREPAINT, hdc, NULL, pBlock->iLink, bEnabled ? CDIS_DEFAULT : CDIS_DISABLED, NULL);
|
|
}
|
|
|
|
// draw the text
|
|
LPTSTR pszText = pBlock->pszText;
|
|
LPTSTR pszTextOriginal = pBlock->pszText;
|
|
|
|
for(RECTLISTENTRY* prce = pBlock->rgrle; prce; prce = prce->next)
|
|
{
|
|
RECT rc = prce->rc;
|
|
pszText = pszTextOriginal + prce->uCharStart;
|
|
ThemedDrawText(hdc, pszText, prce->uCharCount, &rc, uDrawTextDraw, IS_LINK(pBlock));
|
|
}
|
|
|
|
// Draw focus rect(s)
|
|
if (fFocus && pBlock->iLink == _iFocus && IS_LINK(pBlock))
|
|
{
|
|
SetTextColor(hdc, rgbOld); // restore text color
|
|
for(RECTLISTENTRY* prce = pBlock->rgrle; prce; prce = prce->next)
|
|
{
|
|
DrawFocusRect(hdc, &prce->rc);
|
|
}
|
|
}
|
|
|
|
if (dwCustomDraw & CDRF_NOTIFYITEMDRAW)
|
|
{
|
|
_pMarkupCallback->OnCustomDraw(CDDS_ITEMPOSTPAINT, hdc, NULL, pBlock->iLink, bEnabled ? CDIS_DEFAULT : CDIS_DISABLED, NULL);
|
|
}
|
|
}
|
|
if (dwCustomDraw & CDRF_NOTIFYPOSTPAINT)
|
|
{
|
|
_pMarkupCallback->OnCustomDraw(CDDS_POSTPAINT, hdc, NULL, 0, 0, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
SetTextColor(hdc, rgbOld); // restore text color
|
|
|
|
if (hFontOld)
|
|
{
|
|
SelectObject(hdc, hFontOld);
|
|
}
|
|
}
|
|
|
|
int CMarkup::GetNextEnabledLink(int iStart, int nDir) const
|
|
{
|
|
ASSERT(-1 == nDir || 1 == nDir);
|
|
|
|
if (_Markups > 0)
|
|
{
|
|
if (INVALID_LINK_INDEX == iStart)
|
|
{
|
|
iStart = nDir > 0 ? -1 : _Markups;
|
|
}
|
|
|
|
for(iStart += nDir; iStart >= 0; iStart += nDir)
|
|
{
|
|
TEXTBLOCK* pBlock = FindLink(iStart);
|
|
if (!pBlock)
|
|
{
|
|
return INVALID_LINK_INDEX;
|
|
}
|
|
|
|
if (pBlock->state & LIS_ENABLED)
|
|
{
|
|
ASSERT(iStart == pBlock->iLink);
|
|
return iStart;
|
|
}
|
|
}
|
|
}
|
|
return INVALID_LINK_INDEX;
|
|
}
|
|
|
|
int CMarkup::StateCount(DWORD dwStateMask, DWORD dwState) const
|
|
{
|
|
TEXTBLOCK* pBlock;
|
|
int cnt = 0;
|
|
|
|
for(pBlock = _rgBlocks; pBlock; pBlock = pBlock->next)
|
|
{
|
|
if (IS_LINK(pBlock) &&
|
|
(pBlock->state & dwStateMask) == dwState)
|
|
{
|
|
cnt++;
|
|
}
|
|
}
|
|
return cnt;
|
|
}
|
|
|
|
BOOL CMarkup::WantTab(int* biFocus) const
|
|
{
|
|
int nDir = TESTKEYSTATE(VK_SHIFT) ? -1 : 1;
|
|
int iFocus = GetNextEnabledLink(_iFocus, nDir);
|
|
|
|
if (INVALID_LINK_INDEX != iFocus)
|
|
{
|
|
if (biFocus)
|
|
{
|
|
*biFocus = iFocus;
|
|
}
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
// if we can't handle the focus, prepare for the next round
|
|
//iFocus = GetNextEnabledLink(-1, nDir);
|
|
*biFocus = -1;
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
void CMarkup::AssignTabFocus(int nDirection)
|
|
{
|
|
if (_Markups)
|
|
{
|
|
if (0 == nDirection)
|
|
{
|
|
if (INVALID_LINK_INDEX != _iFocus)
|
|
{
|
|
return;
|
|
}
|
|
nDirection = 1;
|
|
}
|
|
_iFocus = GetNextEnabledLink(_iFocus, nDirection);
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
TEXTBLOCK::TEXTBLOCK()
|
|
: iLink(INVALID_LINK_INDEX),
|
|
next(NULL),
|
|
state(LIS_ENABLED),
|
|
pszText(NULL),
|
|
pszUrl(NULL),
|
|
rgrle(NULL)
|
|
{
|
|
*szID = 0;
|
|
}
|
|
|
|
TEXTBLOCK::~TEXTBLOCK()
|
|
{
|
|
// free block text
|
|
Str_SetPtr(&pszText, NULL);
|
|
Str_SetPtr(&pszUrl, NULL);
|
|
|
|
// free rectangle(s)
|
|
FreeRects();
|
|
}
|
|
|
|
void TEXTBLOCK::AddRect(const RECT& rc, UINT uMyCharStart, UINT uMyCharCount, UINT uMyLineNumber)
|
|
{
|
|
RECTLISTENTRY* prce;
|
|
if ((prce = new RECTLISTENTRY) != NULL)
|
|
{
|
|
CopyRect(&(prce->rc), &rc);
|
|
prce->next = NULL;
|
|
prce->uCharStart = uMyCharStart;
|
|
prce->uCharCount = uMyCharCount;
|
|
prce->uLineNumber = uMyLineNumber;
|
|
}
|
|
|
|
if (rgrle == NULL)
|
|
{
|
|
rgrle = prce;
|
|
}
|
|
else
|
|
{
|
|
for(RECTLISTENTRY* p = rgrle; p; p = p->next)
|
|
{
|
|
if (p->next == NULL)
|
|
{
|
|
p->next = prce;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void TEXTBLOCK::FreeRects()
|
|
{
|
|
for(RECTLISTENTRY* p = rgrle; p;)
|
|
{
|
|
RECTLISTENTRY* next = p->next;
|
|
delete p;
|
|
p = next;
|
|
}
|
|
rgrle = NULL;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------//
|
|
// t-jklann 6/00: added these formerly global methods to the CMarkup class
|
|
|
|
// Returns a pointer to the first non-whitespace character in a string.
|
|
LPTSTR CMarkup::SkipWhite(LPTSTR lpsz)
|
|
{
|
|
/* prevent sign extension in case of DBCS */
|
|
while (*lpsz && (TUCHAR)*lpsz <= TEXT(' '))
|
|
lpsz++;
|
|
|
|
return(lpsz);
|
|
}
|
|
|
|
BOOL CMarkup::_AssignBit(const DWORD dwBit, DWORD& dwDest, const DWORD dwSrc) // returns TRUE if changed
|
|
{
|
|
if (((dwSrc & dwBit) != 0) != ((dwDest & dwBit) != 0))
|
|
{
|
|
if (((dwSrc & dwBit) != 0))
|
|
{
|
|
dwDest |= dwBit;
|
|
}
|
|
else
|
|
{
|
|
dwDest &= ~dwBit;
|
|
}
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL CMarkup::IsStringAlphaNumeric(LPCTSTR pszString)
|
|
{
|
|
while (pszString[0])
|
|
{
|
|
if (!IsCharAlphaNumeric(pszString[0]))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
pszString = CharNext(pszString);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
// We are looking for the next value/data pair. Formated like this:
|
|
// VALUE="<data>"
|
|
HRESULT CMarkup::_GetNextValueDataPair(LPTSTR * ppszBlock, LPTSTR pszValue, int cchValue, LPTSTR pszData, int cchData)
|
|
{
|
|
HRESULT hr = E_FAIL;
|
|
LPCTSTR pszIterate = *ppszBlock;
|
|
LPCTSTR pszEquals = StrStr(pszIterate, TEXT("=\""));
|
|
|
|
if (pszEquals)
|
|
{
|
|
cchValue = MIN(cchValue, (pszEquals - *ppszBlock + 1));
|
|
StringCchCopy(pszValue, cchValue, *ppszBlock);
|
|
|
|
pszEquals += 2; // Skip past the ="
|
|
if (IsStringAlphaNumeric(pszValue))
|
|
{
|
|
LPTSTR pszEndOfData = StrChr(pszEquals, TEXT('\"'));
|
|
|
|
if (pszEndOfData)
|
|
{
|
|
cchData = MIN(cchData, (pszEndOfData - pszEquals + 1));
|
|
StringCchCopy(pszData, cchData, pszEquals);
|
|
|
|
*ppszBlock = CharNext(pszEndOfData);
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// IsFEChar - Detects East Asia FullWidth character.
|
|
// borrowed from UserIsFullWidth in ntuser\rtl\drawtext.c
|
|
//
|
|
BOOL IsFEChar(WCHAR wChar)
|
|
{
|
|
static struct
|
|
{
|
|
WCHAR wchStart;
|
|
WCHAR wchEnd;
|
|
} rgFullWidthUnicodes[] =
|
|
{
|
|
{ 0x4E00, 0x9FFF }, // CJK_UNIFIED_IDOGRAPHS
|
|
{ 0x3040, 0x309F }, // HIRAGANA
|
|
{ 0x30A0, 0x30FF }, // KATAKANA
|
|
{ 0xAC00, 0xD7A3 } // HANGUL
|
|
};
|
|
|
|
BOOL fRet = FALSE;
|
|
|
|
//
|
|
// Early out for ASCII. If the character < 0x0080, it should be a halfwidth character.
|
|
//
|
|
if (wChar >= 0x0080)
|
|
{
|
|
int i;
|
|
|
|
//
|
|
// Scan FullWdith definition table... most of FullWidth character is
|
|
// defined here... this is faster than call NLS API.
|
|
//
|
|
for (i = 0; i < ARRAYSIZE(rgFullWidthUnicodes); i++)
|
|
{
|
|
if ((wChar >= rgFullWidthUnicodes[i].wchStart) &&
|
|
(wChar <= rgFullWidthUnicodes[i].wchEnd))
|
|
{
|
|
fRet = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return fRet;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
BOOL IsFEString(IN LPCTSTR psz, IN int cchText)
|
|
{
|
|
for(int i=0; i < cchText; i++)
|
|
{
|
|
if (IsFEChar(psz[i]))
|
|
{
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
int CMarkup::_IsLineBreakChar(LPCTSTR psz, int ich, TCHAR chBreak, OUT BOOL* pbRemove, BOOL fIgnoreSpace)
|
|
{
|
|
LPTSTR pch;
|
|
*pbRemove = FALSE;
|
|
|
|
ASSERT(psz != NULL)
|
|
ASSERT(psz[ich] != 0);
|
|
|
|
// Try caller-provided break character (assumed a 'remove' break char).
|
|
if (!(fIgnoreSpace && (chBreak == 0x20)) && (psz[ich] == chBreak))
|
|
{
|
|
*pbRemove = TRUE;
|
|
return ich;
|
|
}
|
|
|
|
#define MAX_LINEBREAK_RESOURCE 128
|
|
static TCHAR _szBreakRemove [MAX_LINEBREAK_RESOURCE] = {0};
|
|
static TCHAR _szBreakPreserve [MAX_LINEBREAK_RESOURCE] = {0};
|
|
#define LOAD_BREAKCHAR_RESOURCE(nIDS, buff) \
|
|
if (0==*buff) { LoadString(HINST_THISDLL, nIDS, buff, ARRAYSIZE(buff)); }
|
|
|
|
// Try 'remove' break chars
|
|
LOAD_BREAKCHAR_RESOURCE(IDS_LINEBREAK_REMOVE, _szBreakRemove);
|
|
for (pch = _szBreakRemove; *pch; pch = CharNext(pch))
|
|
{
|
|
if (!(fIgnoreSpace && (*pch == 0x20)) && (psz[ich] == *pch))
|
|
{
|
|
*pbRemove = TRUE;
|
|
return ich;
|
|
}
|
|
}
|
|
|
|
// Try 'preserve prior' break chars:
|
|
LOAD_BREAKCHAR_RESOURCE(IDS_LINEBREAK_PRESERVE, _szBreakPreserve);
|
|
for(pch = _szBreakPreserve; *pch; pch = CharNext(pch))
|
|
{
|
|
if (!(fIgnoreSpace && (*pch == 0x20)) && (psz[ich] == *pch))
|
|
{
|
|
return ++ich;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
BOOL CMarkup::_FindLastBreakChar(
|
|
IN LPCTSTR pszText,
|
|
IN int cchText,
|
|
IN TCHAR chBreak, // official break char (from TEXTMETRIC).
|
|
OUT int* piLast,
|
|
OUT BOOL* pbRemove)
|
|
{
|
|
*piLast = 0;
|
|
*pbRemove = FALSE;
|
|
|
|
// 338710: Far East writing doesn't use the space character to separate
|
|
// words, ignore the space char as a possible line delimiter.
|
|
BOOL fIgnoreSpace = IsFEString(pszText, cchText);
|
|
|
|
for(int i = cchText-1; i >= 0; i--)
|
|
{
|
|
int ich = _IsLineBreakChar(pszText, i, chBreak, pbRemove, fIgnoreSpace);
|
|
if (ich >= 0)
|
|
{
|
|
*piLast = ich;
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL CMarkup::_FindFirstLineBreak(
|
|
IN LPCTSTR pszText,
|
|
IN int cchText,
|
|
OUT int* piLast,
|
|
OUT int* piLineBreakSize)
|
|
{
|
|
*piLast = 0;
|
|
*piLineBreakSize = 0;
|
|
|
|
// Searches for \n, \r, or \r\n
|
|
for(int i = 0; i < cchText; i++)
|
|
{
|
|
if ((*(pszText+i)=='\n') || (*(pszText+i)=='\r'))
|
|
{
|
|
*piLast = i;
|
|
if ((*(pszText+i)=='\r') && (*(pszText+i+1)=='\n'))
|
|
{
|
|
*piLineBreakSize = 2;
|
|
}
|
|
else
|
|
{
|
|
*piLineBreakSize = 1;
|
|
}
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void CMarkup::DoNotify(int nCode, int iLink)
|
|
{
|
|
_pMarkupCallback->Notify(nCode, iLink);
|
|
}
|
|
|
|
int CMarkup::ThemedDrawText(HDC hdc, LPCTSTR lpString, int nCount, LPRECT lpRect, UINT uFormat, BOOL bLink)
|
|
{
|
|
if (!_hTheme)
|
|
{
|
|
// NORMAL DRAWTEXT
|
|
return ::DrawText(hdc, lpString, nCount, lpRect, uFormat);
|
|
}
|
|
else
|
|
{
|
|
int iThemeStateId;
|
|
iThemeStateId = bLink ? _iThemeStateIdLink : _iThemeStateIdNormal;
|
|
|
|
if (uFormat & DT_CALCRECT)
|
|
{
|
|
// THEME CALC RECT SUPPORT
|
|
LPRECT lpBoundRect = lpRect;
|
|
if (RECTWIDTH(*lpRect)==0 && RECTHEIGHT(*lpRect)==0)
|
|
{
|
|
lpBoundRect = NULL;
|
|
}
|
|
GetThemeTextExtent(_hTheme, hdc, _iThemePartId, iThemeStateId, lpString, nCount, uFormat, lpBoundRect, lpRect);
|
|
}
|
|
else
|
|
{
|
|
// THEME DRAW SUPPORT
|
|
DrawThemeText(_hTheme, hdc, _iThemePartId, iThemeStateId, lpString, nCount, uFormat, 0, lpRect);
|
|
}
|
|
|
|
return (RECTHEIGHT(*lpRect));
|
|
}
|
|
}
|
|
|