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windows-xp/Source/XPSP1/NT/windows/richedit/re30/tomfmt.cpp

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/*
* @doc TOM
*
* @module tomfmt.cpp - Implement the CTxtFont and CTxtPara Classes |
*
* This module contains the implementation of the TOM ITextFont and
* ITextPara interfaces
*
* History: <nl>
* 11/8/95 - MurrayS: created
* 5/96 - MurrayS: added zombie protection
*
* Copyright (c) 1995-1998, Microsoft Corporation. All rights reserved.
*/
#include "_common.h"
#include "_tomfmt.h"
#include "_font.h"
ASSERTDATA
#define tomFloatUndefined ((float)(int)tomUndefined)
// Alignment translation vectors
const BYTE g_rgREtoTOMAlign[] = // RichEdit to TOM
{
// TODO: generalize TOM to handle new LineServices options
tomAlignLeft, tomAlignLeft, tomAlignRight, tomAlignCenter, tomAlignJustify,
tomAlignInterLetter, tomAlignScaled, tomAlignGlyphs, tomAlignSnapGrid
};
const BYTE g_rgTOMtoREAlign[] = // TOM to RichEdit
{
PFA_LEFT, PFA_CENTER, PFA_RIGHT, PFA_FULL_INTERWORD,
PFA_FULL_INTERLETTER, PFA_FULL_SCALED, PFA_FULL_GLYPHS,
PFA_SNAP_GRID
};
/*
* QueryInterface(riid, riid1, punk, ppv, fZombie)
*
* @func
* QueryInterface punk for the ref IDs riid1, IID_IDispatch, and
* IID_IUnknown
*
* @rdesc
* HRESULT = (!ppv) ? E_INVALIDARG :
* (interface found) ? NOERROR : E_NOINTERFACE
*/
HRESULT QueryInterface (
REFIID riid, //@parm Reference to requested interface ID
REFIID riid1, //@parm Query for this, IDispatch, IUnknown
IUnknown *punk, //@parm Interface to query
void ** ppv, //@parm Out parm to receive interface ptr
BOOL fZombie) //@parm If true, return CO_E_RELEASED
{
if(!ppv)
return E_INVALIDARG;
*ppv = NULL;
if(fZombie) // Check for range zombie
return CO_E_RELEASED;
Assert(punk);
#ifndef PEGASUS
if( IsEqualIID(riid, IID_IUnknown) ||
IsEqualIID(riid, IID_IDispatch) ||
IsEqualIID(riid, riid1) )
{
*ppv = punk;
punk->AddRef();
return NOERROR;
}
#endif
return E_NOINTERFACE;
}
//------------------------------- CTxtFont -------------------------------------
/*
* CTxtFont::CTxtFont(prg)
*
* @mfunc
* Constructor
*/
CTxtFont::CTxtFont(CTxtRange *prg) : CTxtFormat(prg)
{
Assert(!_dwMask); // We assume that object is zeroed (new'd)
}
//------------------------- CTxtFont IUnknown Methods -------------------------------------
/* CTxtFont::IUnknown methods
*
* See tomDoc.cpp for comments
*/
STDMETHODIMP CTxtFont::QueryInterface (REFIID riid, void **ppv)
{
#ifndef PEGASUS
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::QueryInterface");
return ::QueryInterface(riid, IID_ITextFont, this, ppv, IsZombie());
#else
return 0;
#endif
}
STDMETHODIMP_(ULONG) CTxtFont::AddRef()
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::AddRef");
return ++_cRefs;
}
STDMETHODIMP_(ULONG) CTxtFont::Release()
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::Release");
_cRefs--;
if(!_cRefs)
{
delete this;
return 0;
}
return _cRefs;
}
//------------------------- CTxtFont IDispatch Methods -------------------------------------
/*
* CTxtFont::GetTypeInfoCount(pcTypeInfo)
*
* @mfunc
* Get the number of TYPEINFO elements (1)
*
* @rdesc
* HRESULT = (pcTypeInfo) ? NOERROR : E_INVALIDARG;
*/
STDMETHODIMP CTxtFont::GetTypeInfoCount (
UINT * pcTypeInfo) //@parm Out parm to receive type-info count
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetTypeInfoCount");
if(!pcTypeInfo)
return E_INVALIDARG;
*pcTypeInfo = 1;
return NOERROR;
}
/*
* CTxtFont::GetTypeInfo(iTypeInfo, lcid, ppTypeInfo)
*
* @mfunc
* Return ptr to type information object for ITextFont interface
*
* @rdesc
* HRESULT
*/
STDMETHODIMP CTxtFont::GetTypeInfo (
UINT iTypeInfo, //@parm Index of type info to return
LCID lcid, //@parm Local ID of type info
ITypeInfo **ppTypeInfo) //@parm Out parm to receive type info
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetTypeInfo");
return ::GetTypeInfo(iTypeInfo, g_pTypeInfoFont, ppTypeInfo);
}
/*
* CTxtFont::GetIDsOfNames(riid, rgszNames, cNames, lcid, rgdispid)
*
* @mfunc
* Get DISPIDs for ITextFont methods and properties
*
* @rdesc
* HRESULT
*/
STDMETHODIMP CTxtFont::GetIDsOfNames (
REFIID riid, //@parm Interface ID to interpret names for
OLECHAR ** rgszNames, //@parm Array of names to be mapped
UINT cNames, //@parm Count of names to be mapped
LCID lcid, //@parm Local ID to use for interpretation
DISPID * rgdispid) //@parm Out parm to receive name mappings
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetIDsOfNames");
HRESULT hr = GetTypeInfoPtrs(); // Ensure TypeInfo ptrs are OK
if(hr != NOERROR)
return hr;
return g_pTypeInfoFont->GetIDsOfNames(rgszNames, cNames, rgdispid);
}
/*
* CTxtFont::Invoke(dispidMember, riid, lcid, wFlags, pdispparams,
* pvarResult, pexcepinfo, puArgError)
* @mfunc
* Invoke methods for the ITextFont interface
*
* @rdesc
* HRESULT
*/
STDMETHODIMP CTxtFont::Invoke (
DISPID dispidMember, //@parm Identifies member function
REFIID riid, //@parm Pointer to interface ID
LCID lcid, //@parm Locale ID for interpretation
USHORT wFlags, //@parm Flags describing context of call
DISPPARAMS *pdispparams, //@parm Ptr to method arguments
VARIANT * pvarResult, //@parm Out parm for result (if not NULL)
EXCEPINFO * pexcepinfo, //@parm Out parm for exception info
UINT * puArgError) //@parm Out parm for error
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::Invoke");
HRESULT hr = GetTypeInfoPtrs(); // Ensure TypeInfo ptrs are OK
if(hr != NOERROR)
return hr;
if(IsZombie())
return CO_E_RELEASED;
return g_pTypeInfoFont->Invoke(this, dispidMember, wFlags,
pdispparams, pvarResult, pexcepinfo, puArgError);
}
//--------------------------- ITextFont Methods -------------------------------------
/*
* ITextFont::CanChange(long * pbCanChange)
*
* @mfunc
* Method that sets *pbCanChange = tomTrue if and only if the
* font can be changed.
*
* @rdesc
* HRESULT = (can change char format) ? NOERROR : S_FALSE
*/
STDMETHODIMP CTxtFont::CanChange (
long *pbCanChange) //@parm Out parm to receive boolean value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::CanChange");
return CTxtFormat::CanChange(pbCanChange, CharFormat);
}
/*
* ITextFont::GetAllCaps(long * pValue)
*
* @mfunc
* Property get method that gets the AllCaps state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetAllCaps (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetAllCaps");
return EffectGetter(pValue, CFM_ALLCAPS);
}
/*
* ITextFont::GetAnimation(long * pValue)
*
* @mfunc
* Property get method that gets the animation type as defined
* in the table below.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetAnimation (
long *pValue) //@parm Out parm to receive animation type
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetAnimation");
return GetParameter((long *)&_CF._bAnimation, CFM_ANIMATION, 1, pValue);
}
/*
* ITextFont::GetBackColor(long * pValue)
*
* @mfunc
* Property get method that gets the background color. The
* value is a Win32 COLORREF.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetBackColor (
long *pValue) //@parm Out parm to receive COLORREF value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetBackColor");
HRESULT hr = EffectGetter(pValue, CFE_AUTOBACKCOLOR);
if(hr != NOERROR || *pValue == tomUndefined)
return hr;
*pValue = (*pValue == tomFalse) ? _CF._crBackColor : tomAutoColor;
return NOERROR;
}
/*
* ITextFont::GetBold(long * pValue)
*
* @mfunc
* Property get method that gets the bold state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetBold (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetBold");
return EffectGetter(pValue, CFM_BOLD);
}
/*
* ITextFont::GetDuplicate(ITextFont **ppFont)
*
* @mfunc
* Property get method that gets a clone of this character
* format object.
*
* @rdesc
* HRESULT = (!ppFont) ? E_INVALIDARG :
* (if success) ? NOERROR : S_FALSE
*/
STDMETHODIMP CTxtFont::GetDuplicate (
ITextFont **ppFont) //@parm Out parm to receive font clone
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetDuplicate");
if(!ppFont)
return E_INVALIDARG;
*ppFont = NULL;
if(IsZombie())
return CO_E_RELEASED;
CTxtFont *pFont = new CTxtFont(NULL);
if(!pFont)
return E_OUTOFMEMORY;
if(_prg)
UpdateFormat();
pFont->_CF = _CF;
pFont->_dwMask = _dwMask;
*ppFont = pFont;
return NOERROR;
}
/*
* ITextFont::GetEmboss(long * pValue)
*
* @mfunc
* Property get method that gets the embossed state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetEmboss (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetEmboss");
return EffectGetter(pValue, CFM_EMBOSS);
}
/*
* ITextFont::GetForeColor(long * pValue)
*
* @mfunc
* Property get method that gets the foreground color.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetForeColor (
long *pValue) //@parm Out parm to receive COLORREF value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetForeColor");
HRESULT hr = EffectGetter(pValue, CFE_AUTOCOLOR);
if(hr != NOERROR || *pValue == tomUndefined)
return hr;
*pValue = (*pValue == tomFalse) ? _CF._crTextColor : tomAutoColor;
return NOERROR;
}
/*
* ITextFont::GetHidden(long * pValue)
*
* @mfunc
* Property get method that gets the hidden state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetHidden (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetHidden");
return EffectGetter(pValue, CFM_HIDDEN);
}
/*
* ITextFont::GetEngrave(long * pValue)
*
* @mfunc
* Property get method that gets the imprint state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetEngrave (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetEngrave");
return EffectGetter(pValue, CFM_IMPRINT);
}
/*
* ITextFont::GetItalic(long * pValue)
*
* @mfunc
* Property get method that gets the italic state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetItalic (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetItalic");
return EffectGetter(pValue, CFM_ITALIC);
}
/*
* ITextFont::GetKerning(float * pValue)
*
* @mfunc
* Property get method that gets the minimum kerning size,
* which is given in floating-point points.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*
* @comm
* A kerning size of 0 turns off kerning, but an arbitrarily small
* value turns it on, e.g., 1.0, which is too small to see, let alone
* kern!
*/
STDMETHODIMP CTxtFont::GetKerning (
float *pValue) //@parm Out parm to receive minimum kerning size
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetKerning");
return GetParameter((long *)&_CF._wKerning, CFM_KERNING, -2, (long *)pValue);
}
/*
* ITextFont::GetLanguageID(long * pValue)
*
* @mfunc
* Property get method that gets the language ID (more
* generally LCID).
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetLanguageID (
long *pValue) //@parm Out parm to receive LCID value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetLanguageID");
if (!pValue)
return E_INVALIDARG;
if ((*pValue & 0xF0000000) == tomCharset)
{
UpdateFormat();
// Sepcial case to get charset and pitchandfamily
*pValue = (_CF._bPitchAndFamily << 8) + _CF._bCharSet;
return NOERROR;
}
return GetParameter((long *)&_CF._lcid, CFM_LCID, 4, pValue);
}
/*
* ITextFont::GetName(BSTR *pbstr)
*
* @mfunc
* Property get method that gets the font name.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG :
* (can allocate bstr) ? NOERROR : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::GetName (
BSTR *pbstr) //@parm Out parm to receive font name bstr
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetName");
if(!pbstr)
return E_INVALIDARG;
*pbstr = NULL;
HRESULT hr = UpdateFormat(); // If live Font object, update
// _CF to current _prg values
if(hr != NOERROR) // Attached to zombied range
return hr;
*pbstr = SysAllocString(GetFontName(_CF._iFont));
return *pbstr ? NOERROR : E_OUTOFMEMORY;
}
/*
* ITextFont::GetOutline(long * pValue)
*
* @mfunc
* Property get method that gets the outline state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetOutline (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetOutline");
return EffectGetter(pValue, CFM_OUTLINE);
}
/*
* ITextFont::GetPosition(float *pValue)
*
* @mfunc
* Property get method that gets the character position
* relative to the baseline. The value is given in floating-point
* points.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetPosition (
float *pValue) //@parm Out parm to receive relative vertical position
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetPosition");
return GetParameter((long *)&_CF._yOffset, CFM_OFFSET, -2, (long *)pValue);
}
/*
* ITextFont::GetProtected(long * pValue)
*
* @mfunc
* Property get method that gets the protected state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetProtected (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetProtected");
return EffectGetter(pValue, CFM_PROTECTED);
}
/*
* ITextFont::GetShadow(long * pValue)
*
* @mfunc
* Property get method that gets the shadow state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetShadow (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetShadow");
return EffectGetter(pValue, CFM_SHADOW);
}
/*
* ITextFont::GetSize(float * pValue)
*
* @mfunc
* Property get method that gets the font size, which is given
* in floating-point points.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetSize (
float *pValue) //@parm Out parm to receive font size
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetSize");
return GetParameter((long *)&_CF._yHeight, CFM_SIZE, -2, (long *)pValue);
}
/*
* ITextFont::GetSmallCaps(long * pValue)
*
* @mfunc
* Property get method that gets the SmallCaps state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetSmallCaps (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetSmallCaps");
return EffectGetter(pValue, CFM_SMALLCAPS);
}
/*
* ITextFont::GetSpacing(float * pValue)
*
* @mfunc
* Property get method that gets the intercharacter spacing,
* which is given in floating-point points.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetSpacing (
float *pValue) //@parm Out parm to receive intercharacter spacing
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetSpacing");
return GetParameter((long *)&_CF._sSpacing, CFM_SPACING, -2, (long *)pValue);
}
/*
* ITextFont::GetStrikeThrough(long * pValue)
*
* @mfunc
* Property get method that gets the strikeout state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetStrikeThrough (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetStrikeThrough");
return EffectGetter(pValue, CFM_STRIKEOUT);
}
/*
* ITextFont::GetStyle(long * pValue)
*
* @mfunc
* Property get method that gets the character style handle for
* the characters in a range.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtFont::GetStyle (
long *pValue) //@parm Out parm to receive character style handle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetStyle");
return GetParameter((long *)&_CF._sStyle, CFM_STYLE, 2, pValue);
}
/*
* ITextFont::GetSubscript(long * pValue)
*
* @mfunc
* Property get method that gets the subscript state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetSubscript (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetSubscript");
return EffectGetter(pValue, CFE_SUBSCRIPT);
}
/*
* ITextFont::GetSuperscript(long * pValue)
*
* @mfunc
* Property get method that gets the superscript state.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetSuperscript (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetSuperscript");
return EffectGetter(pValue, CFE_SUPERSCRIPT);
}
/*
* ITextFont::GetUnderline(long * pValue)
*
* @mfunc
* Property get method that gets the underline style.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR
*/
STDMETHODIMP CTxtFont::GetUnderline (
long *pValue) //@parm Out parm to receive underline style
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetUnderline");
if(!pValue)
return E_INVALIDARG;
HRESULT hr = UpdateFormat(); // If live Font object, update
// _CF to current _prg values
*pValue = 0; // Default no underline
if(!(_dwMask & CFM_UNDERLINE)) // It's a NINCH
*pValue = tomUndefined;
else if(_CF._dwEffects & CFM_UNDERLINE)
*pValue = (LONG)_CF._bUnderlineType ? (LONG)_CF._bUnderlineType : tomTrue;
return hr;
}
/*
* ITextFont::GetWeight(long * pValue)
*
* @mfunc
* Property get method that gets the font weight for
* the characters in a range.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtFont::GetWeight (
long *pValue) //@parm Out parm to receive character style handle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::GetWeight");
return GetParameter((long *)&_CF._wWeight, CFM_WEIGHT, 2, pValue);
}
/*
* ITextFont::IsEqual(ITextFont * pFont, long * pB)
*
* @mfunc
* Method that sets *<p pB> = tomTrue if this text font has the
* same properties as *<p pFont>. For this to be true, *<p pFont> has to
* belong to the same TOM engine as the present one. The IsEqual()
* method should ignore entries for which either font object has a
* tomUndefined value.
*
* @rdesc
* HRESULT = (equal objects) ? NOERROR : S_FALSE
*
* @devnote
* This implementation assumes that all properties are defined and that
* pFont belongs to RichEdit. It would be nice to generalize this so
* that undefined properties are ignored in the comparison and so that
* pFont could belong to a different TOM engine. This would help in
* using RichEdit Find dialogs to search for rich text in Word using
* TOM.
*/
STDMETHODIMP CTxtFont::IsEqual (
ITextFont * pFont, //@parm ITextFont to compare to
long * pB) //@parm Out parm to receive comparison result
{
#ifndef PEGASUS
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::IsEqual");
if(pB)
*pB = tomFalse;
if(!IsSameVtables(this, pFont))
return S_FALSE;
HRESULT hr = UpdateFormat(); // Update _CFs in case they are
if(hr != NOERROR) // attached to ranges
return hr;
CTxtFont *pF = (CTxtFont *)pFont;
hr = pF->UpdateFormat();
if(hr != NOERROR)
return hr;
// Ignore differences in CharSet, since TOM thinks all CharSets are Unicode!
DWORD dwIgnore = (DWORD)(~CFM_CHARSET);
if(!(_CF._dwEffects & CFE_UNDERLINE)) // If not underlining, ignore
dwIgnore &= ~CFM_UNDERLINETYPE; // differences in underline type
DWORD dwMask = pF->_dwMask & dwIgnore;
if((_dwMask ^ dwMask) & dwIgnore) // The masks have to be the same
return S_FALSE; // for equality
if(dwMask & _CF.Delta(&(pF->_CF),FALSE))// Any difference?
return S_FALSE; // Yes. *pB set equal to tomFalse above
if(pB)
*pB = tomTrue;
return NOERROR;
#else
return 0;
#endif
}
/*
* ITextFont::Reset(long Value)
*
* @mfunc
* Method that resets the character formatting to the default
* values to 1) those defined by the RTF \plain control word (Value =
* tomDefault), and 2) all undefined values (Value = tomUndefined).
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::Reset (
long Value) //@parm Kind of reset (tomDefault or tomUndefined)
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::Reset");
HRESULT hr = CanChange(NULL);
if(hr != NOERROR) // Takes care of zombie
return hr; // and protection
if(Value == tomDefault)
{
if(_prg)
{
_CF = *_prg->GetPed()->GetCharFormat(-1);
FormatSetter(CFM_ALL2);
}
else
_CF.InitDefault(0);
_dwMask = CFM_ALL2;
}
else if(Value == tomUndefined && !_prg) // Only applicable
_dwMask = 0; // for clones
else if((Value | 1) == tomApplyLater) // Set-method optimization
{
_fApplyLater = Value & 1;
if(!_fApplyLater) // Apply now
FormatSetter(_dwMask);
}
else if((Value | 1) == tomCacheParms) // Get-method optimization
{
_fCacheParms = FALSE;
if(Value & 1) // Cache parms now, but
{ // don't update on gets
UpdateFormat();
_fCacheParms = TRUE;
}
}
else
return E_INVALIDARG;
return NOERROR;
}
/*
* ITextFont::SetAllCaps(long Value)
*
* @mfunc
* Property put method that sets the AllCaps state according to
* the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetAllCaps (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetAllCaps");
return EffectSetter(Value, CFM_ALLCAPS | CFM_SMALLCAPS, CFE_ALLCAPS);
}
/*
* ITextFont::SetAnimation(long Value)
*
* @mfunc
* Property put method that sets the animation type
*
* @rdesc
* HRESULT = (Value defined) ? NOERROR : E_INVALIDARG
*/
STDMETHODIMP CTxtFont::SetAnimation (
long Value) //@parm New animation type
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetAnimation");
if(Value == tomUndefined)
return NOERROR;
if((unsigned)Value > tomAnimationMax)
return E_INVALIDARG;
return SetParameter((long *)&_CF._bAnimation, CFM_ANIMATION, 1, Value);
}
/*
* ITextFont::SetBackColor(long Value)
*
* @mfunc
* Property put method that sets the background color according
* to the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
* @devnote
* Legal values are tomUndefined, tomAutoColor (both negative) and
* in principle any positive values. Currently wingdi.h only defines
* high bytes = 0, 1, 2, 4. But more values might happen, so we only
* rule out negative values other than tomUndefined and tomAutoColor.
*/
STDMETHODIMP CTxtFont::SetBackColor (
long Value ) //@parm New COLORREF value to use
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetBackColor");
if(Value == tomUndefined) // NINCH
return NOERROR;
_CF._dwEffects |= CFE_AUTOBACKCOLOR; // Default AutoBackColor
if(Value != tomAutoColor)
{
if(Value < 0)
return E_INVALIDARG;
_CF._dwEffects &= ~CFE_AUTOBACKCOLOR; // Turn off AutoBackColor
_CF._crBackColor = (COLORREF)Value; // Use new BackColor
}
return FormatSetter(CFM_BACKCOLOR);
}
/*
* ITextFont::SetBold(long Value)
*
* @mfunc
* Property put method that sets the bold state according to
* the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetBold (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetBold");
return EffectSetter(Value, CFM_BOLD, CFE_BOLD);
}
/*
* ITextFont::SetDuplicate(ITextFont *pFont)
*
* @mfunc
* Property put method that sets this text font character
* formatting to that given by pFont.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetDuplicate(
ITextFont *pFont) //@parm Font object to apply to this font object
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetDuplicate");
DWORD dwMask = 0;
BSTR bstr;
CTxtRange * prg;
long Value;
float x;
if(IsZombie()) // Check for range zombie
return CO_E_RELEASED;
if(IsSameVtables(this, pFont)) // If pFont belongs to this TOM
{ // engine, can cast and copy
((CTxtFont *)pFont)->UpdateFormat();
_CF = ((CTxtFont *)pFont)->_CF;
dwMask = ((CTxtFont *)pFont)->_dwMask;// Use this mask in case this
} // font is active
else
{ // Need to call pFont for all font
prg = _prg; // properties
_prg = NULL; // Be sure it's a clone during
// transfer
pFont->GetStyle(&Value);
SetStyle(Value);
pFont->GetAllCaps(&Value);
SetAllCaps(Value);
pFont->GetAnimation(&Value);
SetAnimation(Value);
pFont->GetBackColor(&Value);
SetBackColor(Value);
pFont->GetBold(&Value);
SetBold(Value);
pFont->GetEmboss(&Value);
SetEmboss(Value);
pFont->GetForeColor(&Value);
SetForeColor(Value);
pFont->GetHidden(&Value);
SetHidden(Value);
pFont->GetEngrave(&Value);
SetEngrave(Value);
pFont->GetItalic(&Value);
SetItalic(Value);
pFont->GetKerning(&x);
SetKerning(x);
pFont->GetLanguageID(&Value);
SetLanguageID(Value);
pFont->GetName(&bstr);
SetName(bstr);
SysFreeString(bstr);
pFont->GetOutline(&Value);
SetOutline(Value);
pFont->GetPosition(&x);
SetPosition(x);
pFont->GetProtected(&Value);
SetProtected(Value);
pFont->GetShadow(&Value);
SetShadow(Value);
pFont->GetSize(&x);
SetSize(x);
pFont->GetSmallCaps(&Value);
SetSmallCaps(Value);
pFont->GetSpacing(&x);
SetSpacing(x);
pFont->GetStrikeThrough(&Value);
SetStrikeThrough(Value);
pFont->GetSubscript(&Value);
SetSubscript(Value);
pFont->GetSuperscript(&Value);
SetSuperscript(Value);
pFont->GetUnderline(&Value);
SetUnderline(Value);
_prg = prg; // Restore original value
}
return FormatSetter(dwMask); // Apply it unless !_prg
}
/*
* ITextFont::SetEmboss(long Value)
*
* @mfunc
* Property put method that sets the embossed state according
* to the value given by Value
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetEmboss (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetEmboss");
return EffectSetter(Value, CFM_EMBOSS, CFE_EMBOSS);
}
/*
* ITextFont::SetForeColor(long Value)
*
* @mfunc
* Property put method that sets the foreground color according
* to the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetForeColor (
long Value ) //@parm New COLORREF value to use
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetForeColor");
if(Value == tomUndefined) // NINCH
return NOERROR;
_CF._dwEffects |= CFE_AUTOCOLOR; // Default AutoColor
if(Value != tomAutoColor)
{
if(Value < 0)
return E_INVALIDARG;
_CF._dwEffects &= ~CFE_AUTOCOLOR; // Turn off AutoColor
_CF._crTextColor = (COLORREF)Value; // Use new TextColor
}
return FormatSetter(CFM_COLOR);
}
/*
* ITextFont::SetHidden(long Value)
*
* @mfunc
* Property put method that sets the hidden state according to
* the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetHidden (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetHidden");
return EffectSetter(Value, CFM_HIDDEN, CFE_HIDDEN);
}
/*
* ITextFont::SetEngrave(long Value)
*
* @mfunc
* Property put method that sets the imprint state according to
* the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetEngrave (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetEngrave");
return EffectSetter(Value, CFM_IMPRINT, CFE_IMPRINT);
}
/*
* ITextFont::SetItalic(long Value)
*
* @mfunc
* Property put method that sets the italic state according to
* the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetItalic (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetItalic");
return EffectSetter(Value, CFM_ITALIC, CFE_ITALIC);
}
/*
* ITextFont::SetKerning(float Value)
*
* @mfunc
* Property set method that sets the minimum kerning size,
* which is given in floating-point points.
*
* @rdesc
* HRESULT = (Value < 0) ? E_INVALIDARG :
* (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetKerning (
float Value) //@parm New value of minimum kerning size
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetKerning");
return SetParameter((long *)&_CF._wKerning, CFM_KERNING, -2, *(long *)&Value);
}
/*
* ITextFont::SetLanguageID(long Value)
*
* @mfunc
* Property put method that sets the language ID (more
* generally LCID) according to the value given by Value. See
* GetLanguageID() for more information.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetLanguageID (
long Value) //@parm New LCID to use
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetLanguageID");
if ((Value & 0xF0000000) == tomCharset)
{
// Sepcial case to set charset and pitchandfamily
_CF._bCharSet = (BYTE)Value;
_CF._bPitchAndFamily = (BYTE)(Value >> 8);
return FormatSetter(CFM_CHARSET);
}
return SetParameter((long *)&_CF._lcid, CFM_LCID, 4, Value);
}
/*
* ITextFont::SetName(BSTR Name)
*
* @mfunc
* Property put method that sets the font name to Name.
*
* @rdesc
* HRESULT = (Name too long) ? E_INVALIDARG :
* (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetName(
BSTR Name) //@parm New font name
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetName");
LONG cch = SysStringLen(Name);
if(cch > LF_FACESIZE)
return E_INVALIDARG;
if(!cch) // NINCH
return NOERROR;
_CF._iFont = GetFontNameIndex(Name);
_CF._bCharSet = GetFirstAvailCharSet(GetFontSignatureFromFace(_CF._iFont));
return FormatSetter(CFM_FACE + CFM_CHARSET);
}
/*
* ITextFont::SetOutline(long Value)
*
* @mfunc
* Property put method that sets the outline state according to
* the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetOutline (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetOutline");
return EffectSetter(Value, CFM_OUTLINE, CFE_OUTLINE);
}
/*
* ITextFont::SetPosition(float Value)
*
* @mfunc
* Property set method that sets the character position
* relative to the baseline. The value is given in floating-point
* points.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetPosition (
float Value) //@parm New value of relative vertical position
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetPosition");
return SetParameter((long *)&_CF._yOffset, CFM_OFFSET, -2, *(long *)&Value);
}
/*
* ITextFont::SetProtected(long Value)
*
* @mfunc
* Property put method that sets the protected state according
* to the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*/
STDMETHODIMP CTxtFont::SetProtected (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetProtected");
return EffectSetter(Value, CFM_PROTECTED, CFE_PROTECTED);
}
/*
* ITextFont::SetShadow(long Value)
*
* @mfunc
* Property put method that sets the shadow state according to
* the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetShadow (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetShadow");
return EffectSetter(Value, CFM_SHADOW, CFE_SHADOW);
}
/*
* ITextFont::SetSize(float Value)
*
* @mfunc
* Property put method that sets the font size = Value (in
* floating-point points).
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetSize (
float Value) //@parm New font size to use
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetSize");
return SetParameter((long *)&_CF._yHeight, CFM_SIZE, -2, *(long *)&Value);
}
/*
* ITextFont::SetSmallCaps(long Value)
*
* @mfunc
* Property put method that sets the SmallCaps state according
* to the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetSmallCaps (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetSmallCaps");
return EffectSetter(Value, CFM_ALLCAPS | CFM_SMALLCAPS, CFE_SMALLCAPS);
}
/*
* ITextFont::SetSpacing(float Value)
*
* @mfunc
* Property set method that sets the intercharacter spacing,
* which is given in floating-point points.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetSpacing (
float Value) //@parm New value of intercharacter spacing
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetSpacing");
return SetParameter((long *)&_CF._sSpacing, CFM_SPACING, -2, *(long *)&Value);
}
/*
* ITextFont::SetStrikeThrough(long Value)
*
* @mfunc
* Property put method that sets the StrikeThrough state
* according to the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetStrikeThrough (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetStrikeThrough");
return EffectSetter(Value, CFM_STRIKEOUT, CFE_STRIKEOUT);
}
/*
* ITextFont::SetStyle(long Value)
*
* @mfunc
* Property put method that sets the character style handle for
* the characters in a range. See GetStyle() for further discussion.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetStyle (
long Value) //@parm New character style handle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetStyle");
if(Value == tomUndefined)
return NOERROR;
if(Value < -32768 || Value > 32767)
return E_INVALIDARG;
return SetParameter((long *)&_CF._sStyle, CFM_STYLE, 2, Value);
}
/*
* ITextFont::SetSubscript(long Value)
*
* @mfunc
* Property put method that sets the subscript state according
* to the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetSubscript (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetSubscript");
return EffectSetter(Value, CFM_SUBSCRIPT | CFM_SUPERSCRIPT, CFE_SUBSCRIPT);
}
/*
* ITextFont::SetSuperscript(long Value)
*
* @mfunc
* Property put method that sets the superscript state
* according to the value given by Value
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetSuperscript (
long Value) //@parm New value. Default value: tomToggle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetSuperscript");
return EffectSetter(Value, CFM_SUBSCRIPT | CFM_SUPERSCRIPT, CFE_SUPERSCRIPT);
}
/*
* ITextFont::SetUnderline(long Value)
*
* @mfunc
* Property put method that sets the underline style according
* to the value given by Value.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetUnderline (
long Value) //@parm New value of underline type
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetUnderline");
_CF._bUnderlineType = 0; // Default no underline type
if(Value < 0) // tomTrue, tomUndefined, or
return EffectSetter(Value, CFM_UNDERLINETYPE | CFM_UNDERLINE, CFE_UNDERLINE);
if(Value > 255) // Illegal underline type
return E_INVALIDARG;
_CF._bUnderlineType = (BYTE)Value;
_CF._dwEffects &= ~CFM_UNDERLINE; // Default underlining is off
if(Value)
_CF._dwEffects |= CFM_UNDERLINE; // It's on
return FormatSetter(CFM_UNDERLINETYPE + CFM_UNDERLINE);
}
/*
* ITextFont::SetWeight(long Value)
*
* @mfunc
* Property put method that sets the font weight for
* the characters in a range.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtFont::SetWeight (
long Value) //@parm New character style handle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFont::SetWeight");
if(Value == tomUndefined) // NINCH
return NOERROR;
if((unsigned)Value > 900) // Valid values satisfy:
return E_INVALIDARG; // 0 <= Value <= 900
return SetParameter((long *)&_CF._wWeight, CFM_WEIGHT, 2, Value);
}
//------------------------------- CTxtPara ------------------------------------
/*
* CTxtPara::CTxtPara(prg)
*
* @mfunc
* Constructor
*/
CTxtPara::CTxtPara(CTxtRange *prg) : CTxtFormat(prg)
{
Assert(!_dwMask && !_PF._dwBorderColor); // We assume that object is zeroed (new'd)
_PF._iTabs = -1;
}
/*
* CTxtPara::~CTxtPara()
*
* @mfunc
* Destructor
*/
CTxtPara::~CTxtPara()
{
Assert(_PF._iTabs == -1);
}
//------------------------- CTxtPara IUnknown Methods -------------------------------------
/* CTxtPara::IUnknown methods
*
* See tomdoc.cpp for comments
*/
STDMETHODIMP CTxtPara::QueryInterface (REFIID riid, void **ppv)
{
#ifndef PEGASUS
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::QueryInterface");
return ::QueryInterface(riid, IID_ITextPara, this, ppv, IsZombie());
#else
return 0;
#endif
}
STDMETHODIMP_(ULONG) CTxtPara::AddRef()
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::AddRef");
return ++_cRefs;
}
STDMETHODIMP_(ULONG) CTxtPara::Release()
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::Release");
_cRefs--;
if(!_cRefs)
{
delete this;
return 0;
}
return _cRefs;
}
//------------------------- CTxtPara IDispatch Methods -------------------------------------
/*
* CTxtPara::GetTypeInfoCount(pcTypeInfo)
*
* @mfunc
* Get the number of TYPEINFO elements (1)
*
* @rdesc
* HRESULT = (pcTypeInfo) ? NOERROR : E_INVALIDARG;
*/
STDMETHODIMP CTxtPara::GetTypeInfoCount (
UINT * pcTypeInfo) //@parm Out parm to receive type-info count
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetTypeInfoCount");
if(!pcTypeInfo)
return E_INVALIDARG;
*pcTypeInfo = 1;
return NOERROR;
}
/*
* CTxtPara::GetTypeInfo(iTypeInfo, lcid, ppTypeInfo)
*
* @mfunc
* Return ptr to type information object for ITextPara interface
*
* @rdesc
* HRESULT
*/
STDMETHODIMP CTxtPara::GetTypeInfo (
UINT iTypeInfo, //@parm Index of type info to return
LCID lcid, //@parm Local ID of type info
ITypeInfo **ppTypeInfo) //@parm Out parm to receive type info
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetTypeInfo");
return ::GetTypeInfo(iTypeInfo, g_pTypeInfoPara, ppTypeInfo);
}
/*
* CTxtPara::GetIDsOfNames(riid, rgszNames, cNames, lcid, rgdispid)
*
* @mfunc
* Get DISPIDs for ITextPara methods and properties
*
* @rdesc
* HRESULT
*/
STDMETHODIMP CTxtPara::GetIDsOfNames (
REFIID riid, //@parm Interface ID to interpret names for
OLECHAR ** rgszNames, //@parm Array of names to be mapped
UINT cNames, //@parm Count of names to be mapped
LCID lcid, //@parm Local ID to use for interpretation
DISPID * rgdispid) //@parm Out parm to receive name mappings
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetIDsOfNames");
HRESULT hr = GetTypeInfoPtrs(); // Ensure TypeInfo ptrs are OK
if(hr != NOERROR)
return hr;
return g_pTypeInfoPara->GetIDsOfNames(rgszNames, cNames, rgdispid);
}
/*
* CTxtPara::Invoke(dispidMember, riid, lcid, wFlags, pdispparams,
* pvarResult, pexcepinfo, puArgError)
* @mfunc
* Invoke methods for the ITextPara interface
*
* @rdesc
* HRESULT
*/
STDMETHODIMP CTxtPara::Invoke (
DISPID dispidMember, //@parm Identifies member function
REFIID riid, //@parm Pointer to interface ID
LCID lcid, //@parm Locale ID for interpretation
USHORT wFlags, //@parm Flags describing context of call
DISPPARAMS *pdispparams, //@parm Ptr to method arguments
VARIANT * pvarResult, //@parm Out parm for result (if not NULL)
EXCEPINFO * pexcepinfo, //@parm Out parm for exception info
UINT * puArgError) //@parm Out parm for error
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::Invoke");
HRESULT hr = GetTypeInfoPtrs(); // Ensure TypeInfo ptrs are OK
if(hr != NOERROR)
return hr;
if(IsZombie())
return CO_E_RELEASED;
return g_pTypeInfoPara->Invoke(this, dispidMember, wFlags,
pdispparams, pvarResult, pexcepinfo, puArgError);
}
//------------------------ CTxtPara ITextPara Methods -------------------------------------
/*
* ITextPara::AddTab(float tbPos, long tbAlign, long tbLeader)
*
* @mfunc
* Method that adds a tab at the displacement tbPos, with type
* tbAlign, and leader style tbLeader. The displacement is given in
* floating-point points.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::AddTab (
float tbPos, //@parm New tab displacement
long tbAlign, //@parm New tab type
long tbLeader) //@parm New tab style
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::AddTab");
HRESULT hr = UpdateFormat(); // If live Para object, update
// _PF to current _prg values
if(hr != NOERROR)
return hr; // Must be a zombie
//This doesn't seem correct because it doesn't ever look at whether or not
//we are in a table.
hr = _PF.AddTab(FPPTS_TO_TWIPS(tbPos), tbAlign, tbLeader, FALSE, &_rgxTabs[0]);
if(hr != NOERROR)
return hr;
return FormatSetter(PFM_TABSTOPS);
}
/*
* ITextPara::CanChange(long * pbCanChange)
*
* @mfunc
* Method that sets *pbCanChange = tomTrue if and only if the
* paragraph formatting can be changed.
*
* @rdesc
* HRESULT = (can change char format) ? NOERROR : S_FALSE
*/
STDMETHODIMP CTxtPara::CanChange (
long *pbCanChange) //@parm Out parm to receive boolean value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::CanChange");
return CTxtFormat::CanChange(pbCanChange, ParaFormat);
}
/*
* ITextPara::ClearAllTabs()
*
* @mfunc
* Method that clears all tabs, reverting to equally spaced
* tabs with the default tab spacing.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::ClearAllTabs()
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::ClearAllTabs");
_PF._bTabCount = 0; // Signal to use default tab
return FormatSetter(PFM_TABSTOPS);
}
/*
* ITextPara::DeleteTab(tbPos)
*
* @mfunc
* Delete any tab at the displacement tbPos. This displacement is
* given in floating-point points.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::DeleteTab (
float tbPos) //@parm Displacement at which tab should be deleted
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::DeleteTab");
HRESULT hr = UpdateFormat(); // If live Para object, update
// _PF to current _prg values
if(hr != NOERROR)
return hr; // Must be a zombie
hr = _PF.DeleteTab(FPPTS_TO_TWIPS(tbPos), &_rgxTabs[0]);
return hr != NOERROR ? hr : FormatSetter(PFM_TABSTOPS);
}
/*
* ITextPara::GetAlignment(long * pValue)
*
* @mfunc
* Property get method that gets the current paragraph
* alignment value
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetAlignment (
long *pValue) //@parm Out parm to receive paragraph alignment
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetAlignment");
if(!pValue)
return E_INVALIDARG;
HRESULT hr = UpdateFormat(); // If live Para object, update
// _PF to current _prg values
if(_PF._bAlignment > ARRAY_SIZE(g_rgREtoTOMAlign)) // Fix bogus value since
_PF._bAlignment = 0; // array lookup can't use it
*pValue = (_dwMask & PFM_ALIGNMENT)
? (LONG)g_rgREtoTOMAlign[_PF._bAlignment] : tomUndefined;
return hr;
}
/*
* ITextPara::GetHyphenation(long *pValue)
*
* @mfunc
* Property get method that gets the tomBool for whether to
* suppress hyphenation for the paragraph in a range.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetHyphenation (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetHyphenation");
if(!pValue)
return E_INVALIDARG;
HRESULT hr = EffectGetter(pValue, PFM_DONOTHYPHEN);
//Oh well, Word inverted meaning after we shipped...
if(*pValue == tomTrue)
*pValue = tomFalse;
else if(*pValue == tomFalse)
*pValue = tomTrue;
return hr;
}
/*
* ITextPara::GetDuplicate(ITextPara **ppPara)
*
* @mfunc
* Property get method that gets a clone of this text paragraph
* format object.
*
* @rdesc
* HRESULT = (!ppPara) ? E_INVALIDARG :
* (if success) ? NOERROR : S_FALSE
*/
STDMETHODIMP CTxtPara::GetDuplicate (
ITextPara **ppPara) //@parm Out parm to receive ITextPara clone
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetDuplicate");
if(!ppPara)
return E_INVALIDARG;
*ppPara = NULL;
if(IsZombie())
return CO_E_RELEASED;
CTxtPara *pPara = new CTxtPara(NULL); // NULL creates a clone
if(!pPara) // (its _prg is NULL)
return E_OUTOFMEMORY;
if(_prg)
UpdateFormat();
*pPara = *this; // Copy value of this object
pPara->_prg = NULL; // It's not attached to a rg
*ppPara = pPara; // Return ptr to clone
return NOERROR;
}
/*
* ITextPara::GetFirstLineIndent(float * pValue)
*
* @mfunc
* Property get method that gets the amount used to indent the
* first line of a paragraph relative to the left indent, which is used
* for subsequent lines. The amount is given in floating-point points.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetFirstLineIndent (
float *pValue) //@parm Out parm to receive first-line indent
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetFirstLineIndent");
HRESULT hr = GetParameter(&_PF._dxOffset, PFM_OFFSET, -4, (long *)pValue);
if(hr == NOERROR && *pValue != tomFloatUndefined)
*pValue = -*pValue; // Defined as negative of
return hr; // RichEdit dxOffset
}
/*
* ITextPara::GetKeepTogether(long * pValue)
*
* @mfunc
* Property get method that gets the tomBool for whether to
* keep the lines in a range together.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetKeepTogether (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetKeepTogether");
return EffectGetter(pValue, PFM_KEEP);
}
/*
* ITextPara::GetKeepWithNext(long * pValue)
*
* @mfunc
* Property get method that gets the tomBool for whether to
* keep the paragraphs in this range together.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetKeepWithNext (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetKeepWithNext");
return EffectGetter(pValue, PFM_KEEPNEXT);
}
#define PFM_LEFTINDENT (PFM_STARTINDENT + PFM_OFFSET)
/*
* ITextPara::GetLeftIndent(float * pValue)
*
* @mfunc
* Property get method that gets the amount used to indent all
* but the first line of a paragraph. The amount is given in
* floating-point points and is relative to the left margin.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*
* @devnote
* For the TOM left indent to be defined, both the RichEdit start
* indent and the offset must be defined (see XOR and AND in *pValue
* code).
*/
STDMETHODIMP CTxtPara::GetLeftIndent (
float *pValue) //@parm Out parm to receive left indent
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetLeftIndent");
if(!pValue)
return E_INVALIDARG;
HRESULT hr = UpdateFormat(); // If live Para object, update
// _PF to current _prg values
*pValue = ((_dwMask ^ PFM_LEFTINDENT) & PFM_LEFTINDENT)
? tomFloatUndefined
: TWIPS_TO_FPPTS(_PF._dxStartIndent + _PF._dxOffset);
return hr;
}
/*
* ITextPara::GetLineSpacing(float * pValue)
*
* @mfunc
* Property get method that gets the line spacing value, which
* is given in floating-point points.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetLineSpacing (
float *pValue) //@parm Out parm to receive line spacing
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetLineSpacing");
return GetParameter(&_PF._dyLineSpacing, PFM_LINESPACING, -4,
(long *)pValue);
}
/*
* ITextPara::GetLineSpacingRule(long * pValue)
*
* @mfunc
* Property get method that gets the line-spacing rule for this range
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetLineSpacingRule (
long *pValue) //@parm Out parm to receive line spacing rule
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetLineSpacingRule");
return GetParameter((long *)&_PF._bLineSpacingRule, PFM_LINESPACING,
1, pValue);
}
/*
* ITextPara::GetListAlignment(long * pValue)
*
* @mfunc
* Property get method that gets the kind of bullet/numbering text
* alignment to use with paragraphs.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetListAlignment(
long * pValue) //@parm Out parm to receive numbering alignment
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetListAlignment");
HRESULT hr = GetParameter((long *)&_PF._wNumberingStyle,
PFM_NUMBERINGSTYLE, 2, pValue);
if(hr == NOERROR && *pValue != tomUndefined)
*pValue &= 3; // Kill all but alignment bits
return hr;
}
/*
* ITextPara::GetListLevelIndex(long * pValue)
*
* @mfunc
* Property get method that gets the list level index to use
* with paragraphs.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetListLevelIndex(
long * pValue) //@parm Out parm to receive list level index
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetListLevelIndex");
HRESULT hr = GetParameter((long *)&_PF._wNumberingStyle,
PFM_NUMBERINGSTYLE, 2, pValue);
if(hr == NOERROR)
*pValue = (*pValue >> 4) & 0xf; // Kill all but list level index
return hr;
}
/*
* ITextPara::GetListStart(long * pValue)
*
* @mfunc
* Property get method that gets the numbering start value to use
* with paragraphs.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetListStart(
long * pValue) //@parm Out parm to receive numbering start value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetListSpace");
return GetParameter((long *)&_PF._wNumberingStart, PFM_NUMBERINGSTART, 2,
pValue);
}
/*
* ITextPara::GetListTab(long * pValue)
*
* @mfunc
* Property get method that gets the distance between the first indent
* and the start of text on the first line.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetListTab(
float * pValue) //@parm Out parm to receive list tab to text
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetListTab");
return GetParameter((long *)&_PF._wNumberingTab, PFM_NUMBERINGTAB, -2,
(long *)pValue);
}
/*
* ITextPara::GetListType(long * pValue)
*
* @mfunc
* Property get method that gets the type of list to use
* with paragraphs.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*
* @devnote
* TOM's values are:
*
* List Type Value Meaning
* tomNoList 0 Turn off paragraph numbering
* tomListBullet 1 default is bullet
* tomNumberAsArabic 2 0, 1, 2, ...
* tomNumberAsLCLetter 3 a, b, c, ...
* tomNumberAsUCLetter 4 A, B, C, ...
* tomNumberAsLCRoman 5 i, ii, iii, ...
* tomNumberAsUCRoman 6 I, II, III, ...
* tomNumberAsSequence 7 ListStart is 1st Unicode to use
*
* Nibble 2 of _PF._wNumberingStyle says whether to number with trailing
* parenthesis, both parentheses, follow by period, or leave plain. This
* This nibble needs to be returned in nibble 4 of *pValue.
*/
STDMETHODIMP CTxtPara::GetListType (
long *pValue) //@parm Out parm to receive type of list
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetListType");
HRESULT hr = GetParameter((long *)&_PF._wNumbering,
PFM_NUMBERING, 2, pValue);
// OR in Number style bits (see note above)
if(hr == NOERROR && *pValue != tomUndefined)
*pValue |= (_PF._wNumberingStyle << 8) & 0xf0000;
return hr;
}
/*
* ITextPara::GetNoLineNumber(long * pValue)
*
* @mfunc
* Property get method that gets the tomBool for whether to
* suppress line numbering for the paragraphs in a range.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetNoLineNumber (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetNoLineNumber");
return EffectGetter(pValue, PFM_NOLINENUMBER);
}
/*
* ITextPara::GetPageBreakBefore(long * pValue)
*
* @mfunc
* Property get method that gets the tomBool for whether to
* eject the page before the paragraphs in this range.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetPageBreakBefore (
long *pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetPageBreakBefore");
return EffectGetter(pValue, PFM_PAGEBREAKBEFORE);
}
/*
* ITextPara::GetRightIndent(float * pValue)
*
* @mfunc
* Property get method that gets the amount used to indent the
* right margin of a paragraph relative to the right margin. The
* amount is given in floating-point points.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetRightIndent (
float *pValue) //@parm Out parm to receive right indent
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetRightIndent");
return GetParameter(&_PF._dxRightIndent, PFM_RIGHTINDENT, -4,
(long *)pValue);
}
/*
* ITextPara::GetSpaceAfter(float * pValue)
*
* @mfunc
* Property get method that gets the amount used to space vertically
* after a paragraph. The amount is given in floating-point points.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetSpaceAfter (
float *pValue) //@parm Out parm to receive space-after value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetSpaceAfter");
return GetParameter(&_PF._dySpaceAfter, PFM_SPACEAFTER, -4,
(long *)pValue);
}
/*
* ITextPara::GetSpaceBefore(float * pValue)
*
* @mfunc
* Property get method that gets the amount used to space vertically
* before starting a paragraph. The amount is given in floating-point
* points.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetSpaceBefore (
float *pValue) //@parm Out parm to receive space-before value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetSpaceBefore");
return GetParameter(&_PF._dySpaceBefore, PFM_SPACEBEFORE, -4,
(long *)pValue);
}
/*
* ITextPara::GetStyle(long * pValue)
*
* @mfunc
* Property get method that gets the style handle for the
* paragraphs in this range.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetStyle (
long * pValue) //@parm Out parm to receive paragraph style handle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetStyle");
return GetParameter((long *)&_PF._sStyle, PFM_STYLE, 2, pValue);
}
/*
* ITextPara::GetTab(long iTab, float *ptbPos, long *ptAlign, long *ptbLeader)
*
* @mfunc
* Method that gets tab parameters for the iTab th tab, that
* is, set *ptbPos, *ptbAlign, and *ptbLeader equal to the iTab th
* tab's displacement, alignment, and leader style, respectively.
* iTab has special values defined in the table below. The
* displacement is given in floating-point points.
*
* @rdesc
* HRESULT = (!pdxptab || !ptbt || !pstyle || no iTab tab) ?
* E_INVALIDARG : (exists) ? NOERROR : S_FALSE
*/
STDMETHODIMP CTxtPara::GetTab (
long iTab, //@parm Index of tab to retrieve info for
float * ptbPos, //@parm Out parm to receive tab displacement
long * ptbAlign, //@parm Out parm to receive tab type
long * ptbLeader) //@parm Out parm to receive tab style
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetTab");
if(!ptbPos || !ptbAlign || !ptbLeader)
return E_INVALIDARG;
*ptbAlign = *ptbLeader = 0;
HRESULT hr = UpdateFormat(); // If live Para object, update
// _PF to current _prg values
if(!(_dwMask & PFM_TABSTOPS)) // Tabs are undefined (more than
{ // one set of definitions)
*ptbPos = tomFloatUndefined;
return hr;
}
LONG dxTab = 0; // Default 0 in case GetTab fails
if(iTab < 0 && iTab >= tomTabBack) // Save *ptbPos if it's supposed
dxTab = FPPTS_TO_TWIPS(*ptbPos); // be used (in general might get
// floating-point error)
hr = _PF.GetTab(iTab, &dxTab, ptbAlign, ptbLeader, &_rgxTabs[0]);
*ptbPos = TWIPS_TO_FPPTS(dxTab);
return (hr == NOERROR && !dxTab) ? S_FALSE : hr;
}
/*
* ITextPara::GetTabCount(long * pValue)
*
* @mfunc
* Property get method that gets the tab count.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetTabCount (
long * pValue) //@parm Out parm to receive tab count
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetTabCount");
return GetParameter((long *)&_PF._bTabCount, PFM_TABSTOPS, 1, pValue);
}
/*
* ITextPara::GetWidowControl(long * pValue)
*
* @mfunc
* Property get method that gets the tomBool for whether to
* control widows and orphans for the paragraphs in a range.
*
* @rdesc
* HRESULT = (!pValue) ? E_INVALIDARG : NOERROR;
*/
STDMETHODIMP CTxtPara::GetWidowControl (
long * pValue) //@parm Out parm to receive tomBool
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::GetWidowControl");
return EffectGetter(pValue, PFM_NOWIDOWCONTROL);
}
/*
* ITextPara::IsEqual(ITextPara * pPara, long * pB)
*
* @mfunc
* Method that sets pB = tomTrue if this range has the same
* properties as *pPara. The IsEqual() method ignores entries for which
* either para object has a tomUndefined value.
*
* @rdesc
* HRESULT = (equal objects) ? NOERROR : S_FALSE
*/
STDMETHODIMP CTxtPara::IsEqual (
ITextPara * pPara, //@parm ITextPara to compare to
long * pB) //@parm Out parm to receive comparison result
{
#ifndef PEGASUS
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::IsEqual");
if(pB)
*pB = tomFalse;
if(!IsSameVtables(this, pPara))
return S_FALSE;
HRESULT hr = UpdateFormat(); // Update _PFs in case they are
if(hr != NOERROR) // attached to ranges
return hr;
CTxtPara *pP = (CTxtPara *)pPara;
hr = pP->UpdateFormat();
if(hr != NOERROR)
return hr;
CParaFormat *pPF = &(pP->_PF);
DWORD dwMask = pP->_dwMask; // Save mask
if(_dwMask != dwMask) // The two have to be the same
return S_FALSE; // for equality
if((dwMask & PFM_TABSTOPS) && _PF._bTabCount)
{
_PF._iTabs = GetTabsCache()->Cache(&_rgxTabs[0], _PF._bTabCount);
if(pP != this) // If comparing to self,
{ // don't AddRef twice
pP->_PF._iTabs = GetTabsCache()->Cache(&pP->_rgxTabs[0],
pPF->_bTabCount);
}
}
if(dwMask & _PF.Delta(pPF, FALSE)) // Any difference?
hr = S_FALSE; // Yes. *pB set equal to tomFalse above
else if(pB)
*pB = tomTrue;
CheckTabsAddRef();
pP->CheckTabsAddRef();
#endif
return hr;
}
/*
* ITextPara::Reset(long Value)
*
* @mfunc
* Method that resets the paragraph formatting to the default
* values to 1) those defined by the RTF \pard control word (Value =
* tomDefault), and 2) all undefined values (Value = tomUndefined).
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::Reset (
long Value) //@parm Kind of reset (tomDefault or tomUndefined)
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::Reset");
Assert(tomApplyLater == tomApplyNow + 1);
HRESULT hr = CanChange(NULL);
if(hr != NOERROR) // Takes care of zombie
return hr; // and protection
if(Value == tomDefault)
{
if(_prg)
{
_PF = *_prg->GetPed()->GetParaFormat(-1);
if(_PF._iTabs != -1)
{
const LONG *prgxTabs = _PF.GetTabs();
_PF._iTabs = -1;
for(LONG i = 0; i < _PF._bTabCount; i++)
_rgxTabs[i] = prgxTabs[i];
}
FormatSetter(PFM_ALL2);
}
else
_PF.InitDefault(0);
_dwMask = PFM_ALL2;
}
else if(Value == tomUndefined && // Only applicable for clones
(!_prg || _fApplyLater)) // or delayed application
{
_dwMask = 0;
}
else if((Value | 1) == tomApplyLater) // Set-method optimization
{
_fApplyLater = Value & 1;
if(!_fApplyLater) // Apply now
FormatSetter(_dwMask);
}
else if((Value | 1) == tomCacheParms) // Get-method optimization
{
_fCacheParms = FALSE;
if(Value & 1) // Cache parms now, but
{ // don't update on gets
UpdateFormat();
_fCacheParms = TRUE;
}
}
else
return E_INVALIDARG;
return NOERROR;
}
/*
* ITextPara::SetAlignment(long Value)
*
* @mfunc
* Property put method that sets the paragraph alignment to Value
*
* @rdesc
* HRESULT = (Value > 3) ? E_INVALIDARG :
* (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetAlignment (
long Value) //@parm New paragraph alignment
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetAlignment");
if(Value == tomUndefined) // NINCH
return NOERROR;
if((DWORD)Value >= ARRAY_SIZE(g_rgTOMtoREAlign))
return E_INVALIDARG;
_PF._bAlignment = g_rgTOMtoREAlign[Value];
return FormatSetter(PFM_ALIGNMENT);
}
/*
* ITextPara::SetHyphenation(long Value)
*
* @mfunc
* Property put method that sets the tomBool that controls the
* suppression of hyphenation for the paragraphs in the range.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetHyphenation (
long Value) //@parm New tomBool for suppressing hyphenation
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetHyphenation");
if(Value == tomTrue) // Invert meaning for RichEdit
Value = tomFalse; // Word inverted it late in the game...
else if (Value == tomFalse)
Value = tomTrue;
return EffectSetter(Value, PFM_DONOTHYPHEN);
}
/*
* ITextPara::SetDuplicate(ITextPara *pPara)
*
* @mfunc
* Property put method that applies the paragraph formatting of pPara
* to this para object. Note that tomUndefined values in pPara have
* no effect (NINCH - NoInputNoCHange).
*
* @rdesc
* HRESULT = (!pPara) ? E_INVALIDARG :
* (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetDuplicate (
ITextPara *pPara) //@parm New paragraph formatting
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetDuplicate");
DWORD dwMask = 0;
long iTab;
CTxtRange * prg;
long tbAlign;
long tbLeader;
float tbPos;
long Value;
float x, y, z;
if(IsZombie()) // Check for range zombie
return CO_E_RELEASED;
if(IsSameVtables(this, pPara)) // If pPara belongs to this TOM
{ // engine, cast and copy
((CTxtPara *)pPara)->UpdateFormat();// Since this TOM engine, can
_PF = ((CTxtPara *)pPara)->_PF; // cast to a CTxtPara
dwMask = ((CTxtPara *)pPara)->_dwMask;// Use this mask in case this
} // para is active
else
{ // Need to call pFont for all para
prg = _prg; // properties
_prg = NULL; // Turn into clone during transfer
pPara->GetStyle(&Value);
SetStyle(Value);
pPara->GetAlignment(&Value);
SetAlignment(Value);
pPara->GetHyphenation(&Value);
SetHyphenation(Value);
pPara->GetKeepTogether(&Value);
SetKeepTogether(Value);
pPara->GetKeepWithNext(&Value);
SetKeepWithNext(Value);
pPara->GetFirstLineIndent(&x);
pPara->GetLeftIndent (&y);
pPara->GetRightIndent(&z);
SetIndents(x, y, z);
pPara->GetLineSpacingRule(&Value);
pPara->GetLineSpacing(&y);
SetLineSpacing(Value, y);
pPara->GetNoLineNumber(&Value);
SetNoLineNumber(Value);
pPara->GetListAlignment(&Value);
SetListAlignment(Value);
pPara->GetListLevelIndex(&Value);
SetListLevelIndex(Value);
pPara->GetListStart(&Value);
SetListStart(Value);
pPara->GetListTab(&x);
SetListTab(x);
pPara->GetListType(&Value);
SetListType(Value);
pPara->GetPageBreakBefore(&Value);
SetPageBreakBefore(Value);
pPara->GetSpaceBefore(&y);
SetSpaceBefore(y);
pPara->GetSpaceAfter(&y);
SetSpaceAfter(y);
pPara->GetWidowControl(&Value);
SetWidowControl(Value);
ClearAllTabs();
pPara->GetTabCount(&Value);
for(iTab = 0; iTab < Value; iTab++)
{
pPara->GetTab(iTab, &tbPos, &tbAlign, &tbLeader);
AddTab(tbPos, tbAlign, tbLeader);
}
_prg = prg; // Restore original value
}
return FormatSetter(dwMask); // Apply it unless !_prg
}
/*
* ITextPara::SetKeepTogether(long Value)
*
* @mfunc
* Property put method that sets the tomBool that controls
* whether to keep the lines in a range together.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetKeepTogether (
long Value) //@parm New tomBool for keeping lines together
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetKeepTogether");
return EffectSetter(Value, PFM_KEEP);
}
/*
* ITextPara::SetKeepWithNext(long Value)
*
* @mfunc
* Property put method that sets the tomBool that controls
* whether to keep the paragraphs in a range together.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetKeepWithNext (
long Value) //@parm New tomBool for keeping paragraphs together
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetKeepWithNext");
return EffectSetter(Value, PFM_KEEPNEXT);
}
/*
* ITextPara::SetIndents(float First, float Left, float Right)
*
* @mfunc
* Method that sets the left indent of all but the first line
* of a paragraph equal to Left and sets the displacement of the first
* line of a paragraph relative to the left indent equal to First. The
* left indent value is relative to the left margin. You can also set
* the right indent by giving the optional Right parameter a value (the
* (default is tomUndefined). All indents are given in floating-point
* points.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_INVALIDARG
*/
STDMETHODIMP CTxtPara::SetIndents (
float First, //@parm New first indent (1st-line offset relative to left indent)
float Left, //@parm New left indent (left offset of all but 1st line)
float Right) //@parm New right indent (right offset of all lines)
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetIndents");
DWORD dwMask = 0;
LONG j = (First != tomFloatUndefined) + (Left == tomFloatUndefined);
if(IsZombie())
return CO_E_RELEASED;
if(j < 2) // At least First or Left
{ // defined
if(j == 1) // Only one defined: need
UpdateFormat(); // current _PF._dxOffset
if(First != tomFloatUndefined)
{
j = FPPTS_TO_TWIPS(First);
if(Left == tomFloatUndefined)
{
_PF._dxStartIndent += _PF._dxOffset // Cancel current offset
+ j; // and add in new one
}
_PF._dxOffset = -j; // Offset for all but 1st
dwMask = PFM_OFFSET + PFM_STARTINDENT; // line
}
if(Left != tomFloatUndefined)
{
_PF._dxStartIndent = FPPTS_TO_TWIPS(Left) - _PF._dxOffset;
dwMask |= PFM_STARTINDENT;
}
}
if(Right != tomFloatUndefined)
{
_PF._dxRightIndent = FPPTS_TO_TWIPS(Right);
dwMask |= PFM_RIGHTINDENT;
}
return dwMask ? FormatSetter(dwMask) : NOERROR;
}
/*
* ITextPara::SetLineSpacing(long Rule, float Spacing)
*
* @mfunc
* Method that sets the paragraph line spacing rule to Rule and
* the line spacing to Spacing. If the line spacing rule treats the
* Spacing value as a linear dimension, then that dimension is given in
* floating-point points.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetLineSpacing (
long Rule, //@parm Value of new line-spacing rule
float Spacing) //@parm Value of new line spacing
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetLineSpacing");
LONG j = (Rule == tomUndefined) + (Spacing == tomFloatUndefined);
if(j == 2)
return NOERROR;
if(j == 1 || (DWORD)Rule > 5 || Spacing < 0)
return E_INVALIDARG;
_PF._bLineSpacingRule = (BYTE)Rule; // Default as if both are OK
_PF._dyLineSpacing = (SHORT)FPPTS_TO_TWIPS(Spacing);
return FormatSetter(PFM_LINESPACING);
}
/*
* ITextPara::SetListAlignment (long Value)
*
* @mfunc
* Property put method that sets the kind of List alignment to be
* used for paragraphs.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetListAlignment(
long Value) //@parm Value of new list alignment
{
if(Value == tomUndefined)
return NOERROR;
if((unsigned)Value > tomAlignRight)
return E_INVALIDARG;
long Style;
HRESULT hr = GetParameter((long *)&_PF._wNumberingStyle,
PFM_NUMBERINGSTYLE, 2, &Style);
if(hr != NOERROR)
return hr;
return SetParameter((long *)&_PF._wNumberingStyle, PFM_NUMBERINGSTYLE,
2, (Style & ~3) | (Value & 3));
}
/*
* ITextPara::SetListLevelIndex (long Value)
*
* @mfunc
* Property put method that sets the kind of list level index to be
* used for paragraphs.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetListLevelIndex(
long Value)
{
if(Value == tomUndefined)
return NOERROR;
if((unsigned)Value > 15)
return E_INVALIDARG;
long Style;
HRESULT hr = GetParameter((long *)&_PF._wNumberingStyle,
PFM_NUMBERINGSTYLE, 2, &Style);
if(hr != NOERROR)
return hr;
return SetParameter((long *)&_PF._wNumberingStyle, PFM_NUMBERINGSTYLE,
2, (Style & ~0xf0) | (Value << 4));
}
/*
* ITextPara::SetListStart (long Value)
*
* @mfunc
* Property put method that sets the starting number to use for
* paragraph numbering
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetListStart(
long Value) //@parm New numbering start value
{
if(Value == tomUndefined)
return NOERROR;
if(Value < 0)
return E_INVALIDARG;
return SetParameter((long *)&_PF._wNumberingStart, PFM_NUMBERINGSTART,
2, Value);
}
/*
* ITextPara::SetListTab (long Value)
*
* @mfunc
* Property put method that sets the distance between the first indent
* and the start of text on the first line.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetListTab(
float Value) //@parm New numbering tab value
{
if(Value == tomFloatUndefined)
return NOERROR;
if(Value < 0)
return E_INVALIDARG;
return SetParameter((long *)&_PF._wNumberingTab, PFM_NUMBERINGTAB,
-2, *(long *)&Value);
}
/*
* ITextPara::SetListType (long Value)
*
* @mfunc
* Property put method that sets the kind of List to be
* used for paragraphs.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetListType (
long Value) //@parm New List code
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetListType");
if(Value == tomUndefined)
return NOERROR;
if((unsigned)Value > 0xf0000)
return E_INVALIDARG;
long Style;
HRESULT hr = GetParameter((long *)&_PF._wNumberingStyle,
PFM_NUMBERINGSTYLE, 2, &Style);
if(hr != NOERROR)
return hr;
_PF._wNumbering = (WORD)Value;
_PF._wNumberingStyle = (WORD)((Style & ~0xf00) | ((Value >> 8) & 0xf00));
return FormatSetter(PFM_NUMBERING | PFM_NUMBERINGSTYLE);
}
/*
* ITextPara::SetNoLineNumber (long Value)
*
* @mfunc
* Property put method that sets the tomBool that controls
* whether to suppress the numbering of paragraphs in a range.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetNoLineNumber (
long Value) //@parm New tomBool for suppressing line numbering
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetNoLineNumber");
return EffectSetter(Value, PFM_NOLINENUMBER);
}
/*
* ITextPara::SetPageBreakBefore (long Value)
*
* @mfunc
* Property put method that sets the tomBool that controls
* whether to eject the page before each paragraph in a range.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetPageBreakBefore (
long Value) //@parm New tomBool for ejecting page before paragraphs
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetPageBreakBefore");
return EffectSetter(Value, PFM_PAGEBREAKBEFORE);
}
/*
* ITextPara::SetRightIndent (float Value)
*
* @mfunc
* Property put method that sets the amount to indent the right
* margin of paragraph equal to Value, which is given in floating-point
* points.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetRightIndent (
float Value) //@parm New right indent
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetRightIndent");
return SetParameter(&_PF._dxRightIndent, PFM_RIGHTINDENT, -4,
*(long *)&Value);
}
/*
* ITextPara::SetSpaceAfter(float Value)
*
* @mfunc
* Property put method that sets the amount to space vertically
* after finishing a paragraph equal to Value, which is given in
* floating-point points.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetSpaceAfter (
float Value) //@parm New space-after value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetSpaceAfter");
if(Value == tomFloatUndefined)
return NOERROR;
if(Value < 0)
return E_INVALIDARG;
return SetParameter(&_PF._dySpaceAfter, PFM_SPACEAFTER, -4,
*(long *)&Value);
}
/*
* ITextPara::SetSpaceBefore(float Value)
*
* @mfunc
* Property put method that sets the amount to space vertically
* before starting a paragraph equal to Value, which is given in
* floating-point points.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetSpaceBefore (
float Value) //@parm New space-before value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetSpaceBefore");
if(Value == tomFloatUndefined)
return NOERROR;
if(Value < 0)
return E_INVALIDARG;
return SetParameter(&_PF._dySpaceBefore, PFM_SPACEBEFORE, -4,
*(long *)&Value);
}
/*
* ITextPara::SetStyle(long Value)
*
* @mfunc
* Property put method that sets the paragraph style handle for
* the paragraphs in a range. See GetStyle() for further discussion.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetStyle (
long Value) //@parm New paragraph style handle
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetStyle");
if(Value == tomUndefined)
return NOERROR;
if(Value < -32768 || Value > 32767)
return E_INVALIDARG;
return SetParameter((long *)&_PF._sStyle, PFM_STYLE, 2, Value);
}
/*
* ITextPara::SetWidowControl(long Value)
*
* @mfunc
* Property put method that sets the tomBool that controls the
* suppression of widows and orphans.
*
* @rdesc
* HRESULT = (if success) ? NOERROR :
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
STDMETHODIMP CTxtPara::SetWidowControl (
long Value) //@parm New tomBool for suppressing widows and orphans
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtPara::SetWidowControl");
return EffectSetter(Value, PFM_NOWIDOWCONTROL);
}
//----------------------------- CTxtFont Helpers -------------------------------------
/*
* @doc INTERNAL
*
* CTxtFont::EffectGetter (ptomBool, dwMask)
*
* @mfunc
* Set *<p ptomBool> = state of bit given by the bit mask <p dwMask>
*
* @rdesc
* HRESULT = (!<p ptomBool>) ? E_INVALIDARG : NOERROR
*/
HRESULT CTxtFont::EffectGetter (
long * ptomBool, //@parm Out parm to receive tomBool
DWORD dwMask) //@parm Bit mask identifying effect to retrieve
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEINTERN, "CTxtFont::EffectGetter");
if(!ptomBool)
return E_INVALIDARG;
HRESULT hr = UpdateFormat(); // If live Font object, update
// _CF to current _prg values
*ptomBool = !(_dwMask & dwMask) ? tomUndefined :
(_CF._dwEffects & dwMask) ? tomTrue : tomFalse;
return hr;
}
/*
* CTxtFont::EffectSetter (Value, dwMask, dwEffect)
*
* @mfunc
* Mask off this range's effect bits identified by <p dwMask> and set
* effect bit given by <p dwEffect> equal to value given by <p Value>
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*/
HRESULT CTxtFont::EffectSetter (
long Value, //@parm Value to set effect bit to
DWORD dwMask, //@parm Bit mask identifying effect(s) to turn off
DWORD dwEffect) //@parm Effect bit to set
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEINTERN, "CTxtFont::EffectSetter");
if(Value == tomUndefined) // Do nothing (NINCH)
return NOERROR;
if(Value == tomToggle)
{
if(_prg) // If live Font object, update
{ // _CF.dwEffects for toggling
if(_prg->IsZombie())
return CO_E_RELEASED;
LONG iFormat = _prg->_iFormat; // Default iFormat for IP
LONG cch = _prg->GetCch();
if(cch) // Range is nondegenerate
{
CFormatRunPtr rp(_prg->_rpCF);
if(cch > 0) // Get iFormat at cpFirst
rp.AdvanceCp(-cch);
iFormat = rp.GetFormat();
}
_CF._dwEffects = _prg->GetPed()->GetCharFormat(iFormat)->_dwEffects;
}
_CF._dwEffects ^= dwEffect; // Toggle effect(s)
if (dwMask != dwEffect)
{
// Need to turn off other bits that are not being toggle
DWORD dwTurnOff = dwMask ^ dwEffect;
_CF._dwEffects &= ~dwTurnOff;
}
}
else
{
_CF._dwEffects &= ~dwMask; // Default effect(s) off
if(Value)
{
if(Value != tomTrue)
return E_INVALIDARG;
_CF._dwEffects |= dwEffect; // Turn an effect on
}
}
return FormatSetter(dwMask);
}
/*
* CTxtFont::FormatSetter (dwMask)
*
* @mfunc
* Set this CCharFormat or _prg's with mask <p dwMask>
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
* (protected) ? E_ACCESSDENIED : E_OUTOFMEMORY
*/
HRESULT CTxtFont::FormatSetter (
DWORD dwMask) //@parm Mask for value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEINTERN, "CTxtFont::FormatSetter");
if(_prg && !_fApplyLater)
{
HRESULT hr = _prg->CharFormatSetter(&_CF, dwMask);
if(hr != NOERROR)
return hr;
}
_dwMask |= dwMask; // Collect data in font clone
return NOERROR;
}
/*
* CTxtFont::GetParameter (pParm, dwMask, Type, pValue)
*
* @mfunc
* If _prg is defined (not clone), update _CF to range value.
* Set *pValue = *pParm unless NINCHed, in which case set it to
* Type < 0 ? tomFloatUndefined : tomUndefined. |Type| gives
* the byte length of the pParm field.
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*/
HRESULT CTxtFont::GetParameter (
long * pParm, //@parm Address of _CF member to get
DWORD dwMask, //@parm _CF member mask for NINCH checking
long Type, //@parm # bytes of parameter or 0 for float
long * pValue) //@parm Out parm to receive value
{
UpdateFormat(); // If live Font object, update
// _CF to current _prg values
return CTxtFormat::GetParameter(pParm, _dwMask & dwMask, Type, pValue);
}
/*
* CTxtFont::SetParameter (pParm, dwMask, Type, Value)
*
* @mfunc
* Set parameter at address pParm with mask big dwMask to the value
* Value performing type conversions indicated by Type
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*/
HRESULT CTxtFont::SetParameter (
long * pParm, //@parm Address of _CF member to get
DWORD dwMask, //@parm _CF member mask for NINCH checking
long Type, //@parm # bytes of parameter or 0 for float
long Value) //@parm Out parm to receive value
{
HRESULT hr = CTxtFormat::SetParameter(pParm, Type, Value);
return hr == NOERROR ? FormatSetter(dwMask) : hr;
}
/*
* CTxtFont::UpdateFormat ()
*
* @mfunc
* Update format if this font object is attached to a live range.
* Set _dwMask = 0 if attached to zombied range.
*
* @rdesc
* HRESULT = (attached to zombied range)
* ? CO_E_RELEASED : NOERROR
*/
HRESULT CTxtFont::UpdateFormat ()
{
if(_prg && !_fCacheParms)
{
if(_prg->IsZombie())
{
_dwMask = 0; // Nothing defined
return CO_E_RELEASED;
}
_dwMask = _prg->GetCharFormat(&_CF);
}
return NOERROR;
}
//----------------------------- CTxtPara Helpers -------------------------------------
/*
* @doc INTERNAL
*
* CTxtPara::EffectGetter (ptomBool, dwMask)
*
* @mfunc
* Set *<p ptomBool> = state of bit given by the bit mask <p dwMask>
*
* @rdesc
* HRESULT = (!<p ptomBool>) ? E_INVALIDARG : NOERROR
*/
HRESULT CTxtPara::EffectGetter (
long * ptomBool, //@parm Out parm to receive tomBool
DWORD dwMask) //@parm Bit mask identifying effect to retrieve
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEINTERN, "CTxtPara::EffectGetter");
if(!ptomBool)
return E_INVALIDARG;
HRESULT hr = UpdateFormat(); // If live Para object, update
// _PF to current _prg values
*ptomBool = !(_dwMask & dwMask) ? tomUndefined :
(_PF._wEffects & (dwMask >> 16)) ? tomTrue : tomFalse;
return hr;
}
/*
* CTxtPara::EffectSetter (Value, dwMask)
*
* @mfunc
* Set this range's effect bit as given by <p dwMask> equal to value
* given by <p Value>
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*
* @devnote
* Note that the mask bits for paragraph effects are in the high word
* of _dwMask, but the effects are stored in the WORD _wEffects.
*/
HRESULT CTxtPara::EffectSetter (
long Value, //@parm Value to set effect bit to
DWORD dwMask) //@parm Bit mask identifying effect to set
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEINTERN, "CTxtPara::EffectSetter");
if(Value == tomUndefined) // Do nothing (NINCH)
return NOERROR;
DWORD dwEffects = _PF._wEffects << 16; // Move effects over to where
// mask is
if(Value == tomToggle)
{
if(_prg) // If live Para object, update
{ // _PF._wEffects for toggling
if(_prg->IsZombie())
return CO_E_RELEASED;
_dwMask = _prg->GetParaFormat(&_PF);
dwEffects = _PF._wEffects << 16;
_PF._iTabs = -1; // No interest in TABs here
}
if(_dwMask & dwMask) // Effect is defined:
dwEffects ^= dwMask; // toggle it
else // Effect is NINCHed
dwEffects &= ~dwMask; // Turn it all off
}
else
{
dwEffects &= ~dwMask; // Default effect off
if(Value)
{
if(Value != tomTrue)
return E_INVALIDARG;
dwEffects |= dwMask; // Turn it on
}
}
_PF._wEffects = (WORD)(dwEffects >> 16);
return FormatSetter(dwMask);
}
/*
* CTxtPara::FormatSetter (dwMask)
*
* @mfunc
* Set this CParaFormat or _prg's with mask <p dwMask>
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*/
HRESULT CTxtPara::FormatSetter (
DWORD dwMask) //@parm Mask for value
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEINTERN, "CTxtPara::FormatSetter");
AssertSz(_PF._iTabs < 0,
"CTxtPara::FormatSetter: illegal tabs index");
if(_prg && !_fApplyLater)
{
if(dwMask & PFM_TABSTOPS)
_PF._iTabs = GetTabsCache()->Cache(&_rgxTabs[0], _PF._bTabCount);
HRESULT hr = _prg->ParaFormatSetter(&_PF, dwMask);
CheckTabsAddRef();
if(hr != NOERROR)
return hr;
}
_dwMask |= dwMask; // Collect data in para clone
return NOERROR;
}
/*
* CTxtPara::GetParameter (pParm, dwMask, Type, pValue)
*
* @mfunc
* If _prg is defined (not clone), update _PF to range value.
* Set *pValue = *pParm unless NINCHed, in which case set it to
* Type < 0 ? tomFloatUndefined : tomUndefined. |Type| gives
* the byte length of the pParm field.
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*/
HRESULT CTxtPara::GetParameter (
long * pParm, //@parm Address of _PF member to get
DWORD dwMask, //@parm _PF member mask for NINCH checking
long Type, //@parm # bytes of parameter or 0 for float
long * pValue) //@parm Out parm to receive value
{
UpdateFormat(); // If live Para object, update
// _PF to current _prg values
return CTxtFormat::GetParameter(pParm, _dwMask & dwMask, Type, pValue);
}
/*
* CTxtPara::SetParameter (pParm, dwMask, Type, Value)
*
* @mfunc
* Set parameter at address pParm with mask big dwMask to the value
* Value performing type conversions indicated by Type
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*/
HRESULT CTxtPara::SetParameter (
long * pParm, //@parm Address of _PF member to get
DWORD dwMask, //@parm _PF member mask for NINCH checking
long Type, //@parm # bytes of parameter or 0 for float
long Value) //@parm Out parm to receive value
{
HRESULT hr = CTxtFormat::SetParameter(pParm, Type, Value);
return hr == NOERROR ? FormatSetter(dwMask) : hr;
}
/*
* CTxtPara::CheckTabsAddRef ()
*
* @mfunc
* Release Tabs reference
*/
void CTxtPara::CheckTabsAddRef()
{
if(_PF._iTabs >= 0)
{
GetTabsCache()->Release(_PF._iTabs);
_PF._iTabs = -1;
}
}
/*
* CTxtPara::UpdateFormat ()
*
* @mfunc
* Update format if this para object is attached to a live range.
* Set _dwMask = 0 if attached to zombied range.
*
* @rdesc
* HRESULT = (attached to zombied range)
* ? CO_E_RELEASED : NOERROR
*/
HRESULT CTxtPara::UpdateFormat ()
{
if(_prg && !_fCacheParms)
{
if(_prg->IsZombie())
{
_dwMask = 0; // Nothing defined
return CO_E_RELEASED;
}
_dwMask = _prg->GetParaFormat(&_PF);
if(_PF._iTabs >= 0)
{
CopyMemory(_rgxTabs, GetTabsCache()->Deref(_PF._iTabs),
_PF._bTabCount*sizeof(LONG));
_PF._iTabs = -1;
}
}
return NOERROR;
}
//---------------------------- CTxtFormat Methods --------------------------------
/*
* CTxtFormat::CTxtFormat(prg)
*
* @mfunc
* Constructor
*/
CTxtFormat::CTxtFormat(CTxtRange *prg)
{
_cRefs = 1;
_prg = prg; // NULL for clone
if(prg)
prg->AddRef();
}
/*
* CTxtFormat::~CTxtFormat()
*
* @mfunc
* Destructor
*/
CTxtFormat::~CTxtFormat()
{
if(_prg)
_prg->Release();
}
/*
* CTxtFormat::CanChange (pbCanChange)
*
* @func
* Set *<p pbCanChange> = tomTRUE iff this format object can be changed
*
* @rdesc
* HRESULT = (can change format) ? NOERROR : S_FALSE
*
* @devnote
* This method is shared by ITextFont and ITextPara. If pRange is NULL,
* the object is a clone, i.e., unattached to a CTxtRange
*/
HRESULT CTxtFormat::CanChange (
long *pbCanChange, //@parm Out parm to receive boolean value
BOOL fPara) //@parm If TRUE, formatting is paragraphs
{
TRACEBEGIN(TRCSUBSYSTOM, TRCSCOPEEXTERN, "CTxtFormat::CanChange");
LONG fCanChange = tomTrue;
if(_prg)
{
HRESULT hr = _prg->CanEdit(pbCanChange);
if(hr != NOERROR) // S_FALSE or CO_E_RELEASED
return hr;
if(!_prg->GetPed()->IsRich() && fPara)
fCanChange = tomFalse;
}
if(pbCanChange)
*pbCanChange = fCanChange;
return fCanChange ? NOERROR : S_FALSE;
}
/*
* CTxtFormat::GetParameter (pParm, fDefined, Type, pValue)
*
* @mfunc
* Set *pValue = *pLong unless NINCHed. Perform conversions specified by
* Type. If Type > 0, it is treated as length of an unsigned integer,
* i.e., 1, 2, or 4 bytes. If it is negative, the output is a float
* and the input has a length given by |Type|, so -2 converts a WORD
* into a float, unless dwMask = CFM_SPACING, in which case it converts
* a short into a float. -4 converts a long into a float.
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*/
HRESULT CTxtFormat::GetParameter (
long * pParm, //@parm Ptr to _CF or _PF member to get
DWORD dwMask, //@parm Nonzero iff defined
long Type, //@parm # bytes of integer parameter or 0 for float
long * pValue) //@parm Out parm to receive value
{
if(!pValue)
return E_INVALIDARG;
Assert(pParm && sizeof(long) == 4 && sizeof(float) == 4);
HRESULT hr = NOERROR;
if(IsZombie()) // Check if attached to zombied
{ // range
dwMask = 0; // Nothing defined
hr = CO_E_RELEASED; // Setup return for following if
}
if(!dwMask) // Parameter isn't defined
{
if(Type < 0)
*(float *)pValue = tomFloatUndefined;
else
*pValue = tomUndefined;
return hr;
}
long Value = *pParm; // Default long value (Type = 4)
switch(Type) // Handle other cases
{
case 1: // BYTE quantity
Value &= 0xff;
break;
case 2: // WORD quantity
Value &= 0xffff;
if(dwMask & (CFM_STYLE | PFM_STYLE))
Value = *(SHORT *)pParm; // Styles need sign extension
break;
case -2: // float from WORD or SHORT
Value &= 0xffff; // Kill stuff above 16-bit data
if(dwMask & (CFM_SPACING | CFM_SIZE // Need sign extension for these
| CFM_OFFSET)) // (in high word, so don't
{ // conflict with PFM_xxx)
Value = *(SHORT *)pParm; // Fall thru to case -4
}
case -4: // float value
*(float *)&Value = TWIPS_TO_FPPTS(Value);
}
*pValue = Value; // In all cases, return in a long
return NOERROR;
}
/*
* CTxtFormat::SetParameter (pParm, fDefined, Type, Value)
*
* @mfunc
* Set *pParm = Value unless NINCHed. Perform conversions specified by
* Type. If Type > 0, it is treated as length of an unsigned integer,
* i.e., 1, 2, or 4 bytes. If it is negative, the output is a float
* and the input has a length given by |Type|, so -2 converts a WORD
* into a float, unless dwMask = CFM_SPACING, in which case it converts
* a short into a float. -4 converts a long into a float.
*
* @rdesc
* HRESULT = (if success) ? NOERROR : S_FALSE
*/
HRESULT CTxtFormat::SetParameter (
long * pParm, //@parm Ptr to _CF or _PF member to set
long Type, //@parm # bytes of integer parameter or < 0 for float
long Value) //@parm New value for *pParm
{
Assert(pParm);
if(IsZombie()) // Check if attached to
return CO_E_RELEASED; // zombied range
if(Type > 0 && Value == tomUndefined) // Undefined parameter
return NOERROR; // NINCH
if(Type < 0) // Value is a float
{
if(*(float *)&Value == tomFloatUndefined) // Undefined parameter
return NOERROR; // NINCH
Type = -Type;
Value = FPPTS_TO_TWIPS(*(float *)&Value); // Convert to a long
}
if(Type == 1)
{
if((DWORD)Value > 255)
return E_INVALIDARG;
*(BYTE *)pParm = (BYTE)Value;
}
else if(Type == 2)
{
if(Value < -32768 || Value > 65535)
return E_INVALIDARG; // Doesn't fit in 16 bits
*(WORD *)pParm = (WORD)Value;
}
else
*pParm = Value;
return NOERROR;
}
/*
* CTxtFormat::IsTrue (f, pB)
*
* @mfunc
* Return *<p pB> = tomTrue iff <p f> is nonzero and pB isn't NULL
*
* @rdesc
* HRESULT = (f) ? NOERROR : S_FALSE
*/
HRESULT CTxtFormat::IsTrue(BOOL f, long *pB)
{
if(pB)
*pB = tomFalse;
if(IsZombie()) // Check if attached to
return CO_E_RELEASED; // zombied range
if(f)
{
if(pB)
*pB = tomTrue;
return NOERROR;
}
return S_FALSE;
}