840 lines
20 KiB
C++
840 lines
20 KiB
C++
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//
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// This module provides the following functions:
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//
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// CvtDlgToDlgEx - Converts a DLGTEMPLATE to a DLGTEMPLATEEX
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//
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//
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#include "ctlspriv.h"
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#include "dlgcvt.h"
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//
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// Define the amount (bytes) the stream buffer grows when required.
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// It will grow enough to satisfy the required write PLUS this
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// amount.
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//
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#ifdef DEBUG
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# define STREAM_GROW_BYTES 32 // Exercise stream growth.
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#else
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# define STREAM_GROW_BYTES 512
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#endif
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//
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// Simple MIN/MAX inline helpers.
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//
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#if (defined UNIX && defined ux10)
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//IEUNIX: hp's version of "/usr/local/include/sys/param.h defines MAX and MIN
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//macro's and breaks hp's build
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#undef MAX(a,b)
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#undef MIN(a,b)
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#endif //UNIX && ux10
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template <class T>
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inline const T& MIN(const T& a, const T& b)
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{
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return a < b ? a : b;
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}
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template <class T>
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inline const T& MAX(const T& a, const T& b)
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{
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return a > b ? a : b;
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}
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//
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// This class implements a simple dynamic stream that grows as you
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// add data to it. It's modeled after the strstream class provided
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// by the C++ std lib. Unlike the std lib implementation, this one
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// doesn't require C++ EH to be enabled. If comctl32 compiled with
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// C++ EH enabled, I would have used strstream instead.
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// [brianau - 10/5/98]
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//
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class CByteStream
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{
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public:
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explicit CByteStream(int cbDefGrow = 512);
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~CByteStream(void);
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//
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// Used as argument to AlignXXXX member functions.
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//
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enum AlignType { eAlignWrite, eAlignRead };
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//
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// Basic read/write functions.
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//
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int Read(LPVOID pb, int cb);
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int Write(const VOID *pb, int cb);
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//
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// Determine if there was an error when reading or
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// writing to the stream.
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//
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bool ReadError(void) const
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{ return m_bReadErr; }
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bool WriteError(void) const
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{ return m_bWriteErr; }
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//
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// Reset the stream read or write pointer.
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//
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void ResetRead(void)
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{ m_pbRead = m_pbBuf; m_bReadErr = false; }
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void ResetWrite(void)
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{ m_pbWrite = m_pbBuf; m_bWriteErr = false; }
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//
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// Reset the stream.
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//
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void Reset(void);
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//
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// These functions align the read and write stream pointers.
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//
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void AlignReadWord(void)
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{ Align(eAlignRead, sizeof(WORD)); }
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void AlignReadDword(void)
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{ Align(eAlignRead, sizeof(DWORD)); }
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void AlignReadQword(void)
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{ Align(eAlignRead, sizeof(ULONGLONG)); }
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void AlignWriteWord(void)
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{ Align(eAlignWrite, sizeof(WORD)); }
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void AlignWriteDword(void)
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{ Align(eAlignWrite, sizeof(DWORD)); }
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void AlignWriteQword(void)
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{ Align(eAlignWrite, sizeof(ULONGLONG)); }
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//
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// GetBuffer returns the address of the stream buffer in memory.
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// The buffer is "frozen" so it will not be released if the stream
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// object is destroyed. At this point, you own the buffer.
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// If bPermanent is false, you can call ReleaseBuffer to return
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// control of the buffer to the stream object.
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//
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LPBYTE GetBuffer(bool bPermanent = false);
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//
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// ReleaseBuffer returns control of the buffer obtained with GetBuffer
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// to the stream object.
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//
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bool ReleaseBuffer(LPBYTE pbBuf);
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//
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// Overload the insertion and extraction operators so we can
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// work like a normal std lib stream class.
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//
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template <class T>
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CByteStream& operator >> (T& x)
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{ Read(&x, sizeof(x)); return *this; }
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template <class T>
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CByteStream& operator << (const T& x)
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{ Write(&x, sizeof(x)); return *this; }
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private:
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int m_cbDefGrow; // Default amount (bytes) to grow when expanding buffer.
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LPBYTE m_pbBuf; // Addr of allocated buffer.
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LPBYTE m_pbRead; // Addr for next read.
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LPBYTE m_pbWrite; // Addr for next write.
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LPBYTE m_pbEnd; // Addr of byte following last byte in buffer.
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bool m_bWriteErr; // Any read errors?
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bool m_bReadErr; // Any write errors?
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bool m_bOwnsBuf; // true == delete buffer in dtor.
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//
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// Expand the buffer as needed.
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//
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bool GrowBuffer(int cb = 0);
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//
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// Align the read or write buffer pointer.
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// Used internally by the AlignXXXXX member functions.
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//
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void Align(AlignType a, size_t n);
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//
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// Internal consistency checks for debug builds.
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//
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void Validate(void) const;
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//
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// Prevent copy.
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//
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CByteStream(const CByteStream& rhs);
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CByteStream& operator = (const CByteStream& rhs);
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};
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//
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// Class for converting in-memory dialog templates between the two
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// structures DLGTEMPLATE <-> DLGTEMPLATEEX.
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//
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// Currently, the object only converts from DLGTEMPLATE -> DLGTEMPLATEEX.
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// It would be simple to create the code for the inverse conversion. However,
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// it's currently not needed so I didn't create it.
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//
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class CDlgTemplateConverter
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{
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public:
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explicit CDlgTemplateConverter(int iCharSet = DEFAULT_CHARSET)
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: m_iCharset(iCharSet),
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m_stm(STREAM_GROW_BYTES) { }
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~CDlgTemplateConverter(void) { }
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HRESULT DlgToDlgEx(LPDLGTEMPLATE pTemplateIn, LPDLGTEMPLATEEX *ppTemplateOut);
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HRESULT DlgExToDlg(LPDLGTEMPLATEEX pTemplateIn, LPDLGTEMPLATE *ppTemplateOut)
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{ return E_NOTIMPL; }
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private:
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int m_iCharset;
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CByteStream m_stm; // For converted template.
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#ifndef UNIX
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HRESULT DlgHdrToDlgEx(CByteStream& s, LPWORD *ppw);
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HRESULT DlgItemToDlgEx(CByteStream& s, LPWORD *ppw);
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#else
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HRESULT DlgHdrToDlgEx(CByteStream& s, LPDWORD *ppw);
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HRESULT DlgItemToDlgEx(CByteStream& s, LPDWORD *ppw);
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#endif
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HRESULT DlgExHdrToDlg(CByteStream& s, LPWORD *ppw)
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{ return E_NOTIMPL; }
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HRESULT DlgExItemToDlg(CByteStream& s, LPWORD *ppw)
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{ return E_NOTIMPL; }
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//
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// Copy a string from pszW into a CByteStream object.
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// Copies at most cch chars. If cch is -1, assumes the string is
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// nul-terminated and will copy all chars in string including
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// terminating NULL.
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//
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int CopyStringW(CByteStream& stm, LPWSTR pszW, int cch = -1);
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//
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// Prevent copy.
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//
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CDlgTemplateConverter(const CDlgTemplateConverter& rhs);
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CDlgTemplateConverter& operator = (const CDlgTemplateConverter& rhs);
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};
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//
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// Generic alignment function.
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// Give it an address and an alignment size and it returns
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// the address adjusted for the requested alignment.
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//
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// n : 2 = 16-bit
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// 4 = 32-bit
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// 8 = 64-bit
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//
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LPVOID Align(LPVOID pv, size_t n)
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{
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const ULONG_PTR x = static_cast<ULONG_PTR>(n) - 1;
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return reinterpret_cast<LPVOID>((reinterpret_cast<ULONG_PTR>(pv) + x) & ~x);
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}
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inline LPVOID AlignWord(LPVOID pv)
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{
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return ::Align(pv, sizeof(WORD));
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}
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inline LPVOID AlignDWord(LPVOID pv)
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{
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return ::Align(pv, sizeof(DWORD));
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}
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inline LPVOID AlignQWord(LPVOID pv)
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{
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return ::Align(pv, sizeof(ULONGLONG));
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}
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CByteStream::CByteStream(
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int cbDefGrow
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) : m_cbDefGrow(MAX(cbDefGrow, 1)),
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m_pbBuf(NULL),
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m_pbRead(NULL),
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m_pbWrite(NULL),
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m_pbEnd(NULL),
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m_bWriteErr(false),
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m_bReadErr(false),
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m_bOwnsBuf(true)
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{
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}
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CByteStream::~CByteStream(
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void
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)
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{
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if (m_bOwnsBuf && NULL != m_pbBuf)
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{
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LocalFree(m_pbBuf);
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}
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}
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//
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// Simple checks to validate stream state.
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// In non-debug builds, this will be a no-op.
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// Use ASSERT_VALIDSTREAM macro.
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//
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void
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CByteStream::Validate(
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void
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) const
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{
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ASSERT(m_pbEnd >= m_pbBuf);
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ASSERT(m_pbWrite >= m_pbBuf);
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ASSERT(m_pbRead >= m_pbBuf);
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ASSERT(m_pbWrite <= m_pbEnd);
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ASSERT(m_pbRead <= m_pbEnd);
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}
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#ifdef DEBUG
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# define ASSERT_VALIDSTREAM(ps) ps->Validate()
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#else
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# define ASSERT_VALIDSTREAM(ps)
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#endif
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//
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// Read "cb" bytes from the stream and write them to
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// the location specified in "pb". Return number
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// of bytes read. Note that if we don't "own" the
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// buffer (i.e. the client has called GetBuffer but
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// not ReleaseBuffer), no read will occur.
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//
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int
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CByteStream::Read(
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LPVOID pb,
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int cb
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)
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{
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ASSERT_VALIDSTREAM(this);
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int cbRead = 0;
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if (m_bOwnsBuf)
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{
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cbRead = MIN(static_cast<int>(m_pbEnd - m_pbRead), cb);
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CopyMemory(pb, m_pbRead, cbRead);
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m_pbRead += cbRead;
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if (cb != cbRead)
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m_bReadErr = true;
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}
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ASSERT_VALIDSTREAM(this);
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return cbRead;
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}
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//
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// Write "cb" bytes from location "pb" into the stream.
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// Return number of bytes written. Note that if we don't "own" the
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// buffer (i.e. the client has called GetBuffer but
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// not ReleaseBuffer), no write will occur.
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//
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int
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CByteStream::Write(
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const VOID *pb,
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int cb
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)
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{
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ASSERT_VALIDSTREAM(this);
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int cbWritten = 0;
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if (m_bOwnsBuf)
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{
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if (m_pbWrite + cb < m_pbEnd ||
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GrowBuffer(static_cast<int>(m_pbEnd - m_pbBuf) + cb + m_cbDefGrow))
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{
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CopyMemory(m_pbWrite, pb, cb);
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m_pbWrite += cb;
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cbWritten = cb;
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}
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else
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m_bWriteErr = true;
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}
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ASSERT_VALIDSTREAM(this);
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return cbWritten;
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}
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//
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// Reallocate the buffer by cb or m_cbDefGrow.
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// Copy existing contents to new buffer. All internal
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// pointers are updated.
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//
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bool
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CByteStream::GrowBuffer(
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int cb // optional. Default is 0 causing us to use m_cbDefGrow.
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)
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{
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bool bResult = false;
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int cbGrow = 0 < cb ? cb : m_cbDefGrow;
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ULONG_PTR ulReadOfs = m_pbRead - m_pbBuf;
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ULONG_PTR ulWriteOfs = m_pbWrite - m_pbBuf;
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ULONG_PTR cbAlloc = m_pbEnd - m_pbBuf;
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LPBYTE pNew = static_cast<LPBYTE>(LocalAlloc(LPTR, cbAlloc + cbGrow));
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if (NULL != pNew)
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{
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if (NULL != m_pbBuf)
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{
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CopyMemory(pNew, m_pbBuf, cbAlloc);
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LocalFree(m_pbBuf);
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}
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m_pbBuf = pNew;
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m_pbRead = m_pbBuf + ulReadOfs;
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m_pbWrite = m_pbBuf + ulWriteOfs;
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m_pbEnd = m_pbBuf + cbAlloc + cbGrow;
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bResult = true;
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}
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|
|
ASSERT_VALIDSTREAM(this);
|
||
|
|
return bResult;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Align the read or write pointer on the stream.
|
||
|
|
// The write pointer is aligned by padding skipped bytes with 0.
|
||
|
|
//
|
||
|
|
void
|
||
|
|
CByteStream::Align(
|
||
|
|
CByteStream::AlignType a,
|
||
|
|
size_t n
|
||
|
|
)
|
||
|
|
{
|
||
|
|
static const BYTE fill[8] = {0};
|
||
|
|
if (m_bOwnsBuf)
|
||
|
|
{
|
||
|
|
switch(a)
|
||
|
|
{
|
||
|
|
case eAlignWrite:
|
||
|
|
Write(fill, static_cast<int>(reinterpret_cast<LPBYTE>(::Align(m_pbWrite, n)) - m_pbWrite));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case eAlignRead:
|
||
|
|
m_pbRead = reinterpret_cast<LPBYTE>(::Align(m_pbRead, n));
|
||
|
|
if (m_pbRead >= m_pbEnd)
|
||
|
|
m_bReadErr = true;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
ASSERT_VALIDSTREAM(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Caller takes ownership of the buffer.
|
||
|
|
//
|
||
|
|
LPBYTE
|
||
|
|
CByteStream::GetBuffer(
|
||
|
|
bool bPermanent // optional. Default is false.
|
||
|
|
)
|
||
|
|
{
|
||
|
|
LPBYTE pbRet = m_pbBuf;
|
||
|
|
if (bPermanent)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Caller now permanently owns the buffer.
|
||
|
|
// Can't return it through ReleaseBuffer().
|
||
|
|
// Reset the internal stream control values.
|
||
|
|
//
|
||
|
|
m_pbBuf = m_pbWrite = m_pbRead = m_pbEnd = NULL;
|
||
|
|
m_bWriteErr = m_bReadErr = false;
|
||
|
|
m_bOwnsBuf = true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Caller now owns the buffer but it can be returned
|
||
|
|
// through ReleaseBuffer().
|
||
|
|
//
|
||
|
|
m_bOwnsBuf = false;
|
||
|
|
}
|
||
|
|
return pbRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Take back ownership of the buffer.
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// true = CByteStream object took back ownership.
|
||
|
|
// false = CByteStream object couldn't take ownership.
|
||
|
|
//
|
||
|
|
bool
|
||
|
|
CByteStream::ReleaseBuffer(
|
||
|
|
LPBYTE pbBuf
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (pbBuf == m_pbBuf)
|
||
|
|
{
|
||
|
|
m_bOwnsBuf = true;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Reset the stream.
|
||
|
|
//
|
||
|
|
void
|
||
|
|
CByteStream::Reset(
|
||
|
|
void
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (NULL != m_pbBuf)
|
||
|
|
{
|
||
|
|
LocalFree(m_pbBuf);
|
||
|
|
}
|
||
|
|
m_pbBuf = m_pbWrite = m_pbRead = m_pbEnd = NULL;
|
||
|
|
m_bWriteErr = m_bReadErr = false;
|
||
|
|
m_bOwnsBuf = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Copy one or more WORDs from the location provided in "pszW" into
|
||
|
|
// the stream. If cch is -1, it's assumed that the string is nul-terminated.
|
||
|
|
// Returns the number of WCHARs written.
|
||
|
|
//
|
||
|
|
int
|
||
|
|
CDlgTemplateConverter::CopyStringW(
|
||
|
|
CByteStream& stm,
|
||
|
|
LPWSTR pszW,
|
||
|
|
int cch
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (-1 == cch)
|
||
|
|
cch = lstrlenW(pszW) + 1;
|
||
|
|
return stm.Write(pszW, cch * sizeof(WCHAR)) / sizeof(WCHAR);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert a DLGTEMPLATE structure to a DLGTEMPLATEEX structure.
|
||
|
|
// pti is the address of the DLGTEMPLATE to be converted.
|
||
|
|
// ppto points to a LPDLGTEMPLATEEX ptr to receive the address of the
|
||
|
|
// converted template structure. Caller is responsible for freeing
|
||
|
|
// this buffer with LocalFree.
|
||
|
|
//
|
||
|
|
// Returns: E_OUTOFMEMORY, NOERROR
|
||
|
|
//
|
||
|
|
HRESULT
|
||
|
|
CDlgTemplateConverter::DlgToDlgEx(
|
||
|
|
LPDLGTEMPLATE pti,
|
||
|
|
LPDLGTEMPLATEEX *ppto
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = NOERROR;
|
||
|
|
#ifndef UNIX
|
||
|
|
LPWORD pw = reinterpret_cast<LPWORD>(pti);
|
||
|
|
#else
|
||
|
|
LPDWORD pw = reinterpret_cast<LPDWORD>(pti);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
*ppto = NULL;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Reset the stream.
|
||
|
|
//
|
||
|
|
m_stm.Reset();
|
||
|
|
//
|
||
|
|
// Convert DLGTEMPLATE -> DLGTEMPLATEEX
|
||
|
|
//
|
||
|
|
hr = DlgHdrToDlgEx(m_stm, &pw);
|
||
|
|
//
|
||
|
|
// Convert each DLGITEMTEMPLATE -> DLGITEMTEMPLATEEX
|
||
|
|
//
|
||
|
|
for (int i = 0; i < pti->cdit && SUCCEEDED(hr); i++)
|
||
|
|
{
|
||
|
|
#ifndef UNIX
|
||
|
|
pw = reinterpret_cast<LPWORD>(::AlignDWord(pw));
|
||
|
|
#else
|
||
|
|
pw = reinterpret_cast<LPDWORD>(::AlignDWord(pw));
|
||
|
|
#endif
|
||
|
|
m_stm.AlignWriteDword();
|
||
|
|
hr = DlgItemToDlgEx(m_stm, &pw);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Return the buffer to the caller. Buffer is permanently
|
||
|
|
// detached from the stream object so the stream's dtor
|
||
|
|
// won't free it.
|
||
|
|
//
|
||
|
|
*ppto = reinterpret_cast<LPDLGTEMPLATEEX>(m_stm.GetBuffer(true));
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert DLGTEMPLATE -> DLGTEMPLATEEX
|
||
|
|
//
|
||
|
|
// s = Stream to hold converted template.
|
||
|
|
// ppw = Address of current read pointer into the template being converted.
|
||
|
|
// On exit, the referenced pointer is updated with the current read location.
|
||
|
|
//
|
||
|
|
// Returns: E_OUTOFMEMORY, NOERROR
|
||
|
|
//
|
||
|
|
HRESULT
|
||
|
|
CDlgTemplateConverter::DlgHdrToDlgEx(
|
||
|
|
CByteStream& s,
|
||
|
|
#ifndef UNIX
|
||
|
|
LPWORD *ppw
|
||
|
|
#else
|
||
|
|
LPDWORD *ppw
|
||
|
|
#endif
|
||
|
|
)
|
||
|
|
{
|
||
|
|
#ifndef UNIX
|
||
|
|
LPWORD pw = *ppw;
|
||
|
|
#else
|
||
|
|
LPDWORD pw = *ppw;
|
||
|
|
#endif
|
||
|
|
LPDLGTEMPLATE pt = reinterpret_cast<LPDLGTEMPLATE>(pw);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert the fixed-length stuff.
|
||
|
|
//
|
||
|
|
s << static_cast<WORD>(1) // wDlgVer
|
||
|
|
<< static_cast<WORD>(0xFFFF) // wSignature
|
||
|
|
<< static_cast<DWORD>(0) // dwHelpID
|
||
|
|
<< static_cast<DWORD>(pt->dwExtendedStyle)
|
||
|
|
<< static_cast<DWORD>(pt->style)
|
||
|
|
<< static_cast<WORD>(pt->cdit)
|
||
|
|
<< static_cast<short>(pt->x)
|
||
|
|
<< static_cast<short>(pt->y)
|
||
|
|
<< static_cast<short>(pt->cx)
|
||
|
|
<< static_cast<short>(pt->cy);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Arrays are always WORD aligned.
|
||
|
|
//
|
||
|
|
#ifndef UNIX
|
||
|
|
pw = reinterpret_cast<LPWORD>(::AlignWord(reinterpret_cast<LPBYTE>(pw) + sizeof(DLGTEMPLATE)));
|
||
|
|
s.AlignWriteWord();
|
||
|
|
#else
|
||
|
|
pw = reinterpret_cast<LPDWORD>(::AlignDWord(reinterpret_cast<LPBYTE>(pw) + sizeof(DLGTEMPLATE)));
|
||
|
|
s.AlignWriteDword();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//
|
||
|
|
// Copy the menu array.
|
||
|
|
//
|
||
|
|
switch(*pw)
|
||
|
|
{
|
||
|
|
case 0xFFFF:
|
||
|
|
s << *pw++;
|
||
|
|
//
|
||
|
|
// Fall through...
|
||
|
|
//
|
||
|
|
case 0x0000:
|
||
|
|
s << *pw++;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
#ifndef UNIX
|
||
|
|
pw += CopyStringW(s, (LPWSTR)pw);
|
||
|
|
#else
|
||
|
|
pw += CopyStringW (s, reinterpret_cast<LPWSTR>(pw));
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
};
|
||
|
|
//
|
||
|
|
// Copy the class array.
|
||
|
|
//
|
||
|
|
switch(*pw)
|
||
|
|
{
|
||
|
|
case 0xFFFF:
|
||
|
|
s << *pw++;
|
||
|
|
//
|
||
|
|
// Fall through...
|
||
|
|
//
|
||
|
|
case 0x0000:
|
||
|
|
s << *pw++;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
#ifndef UNIX
|
||
|
|
pw += CopyStringW(s, (LPWSTR)pw);
|
||
|
|
#else
|
||
|
|
pw += CopyStringW (s, reinterpret_cast<LPWSTR>(pw));
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
};
|
||
|
|
//
|
||
|
|
// Copy the title array.
|
||
|
|
//
|
||
|
|
switch(*pw)
|
||
|
|
{
|
||
|
|
case 0x0000:
|
||
|
|
s << *pw++;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
#ifndef UNIX
|
||
|
|
pw += CopyStringW(s, (LPWSTR)pw);
|
||
|
|
#else
|
||
|
|
pw += CopyStringW (s, reinterpret_cast<LPWSTR>(pw));
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
};
|
||
|
|
//
|
||
|
|
// Copy font information if it's present.
|
||
|
|
//
|
||
|
|
if (DS_SETFONT & pt->style)
|
||
|
|
{
|
||
|
|
s << *pw++; // pt size
|
||
|
|
s << static_cast<WORD>(FW_NORMAL); // weight (default, not in DLGTEMPLATE)
|
||
|
|
s << static_cast<BYTE>(FALSE); // italic (default, not in DLGTEMPLATE)
|
||
|
|
s << static_cast<BYTE>(m_iCharset); // charset (default if not given,
|
||
|
|
// not in DLGTEMPLATE)
|
||
|
|
#ifndef UNIX
|
||
|
|
pw += CopyStringW(s, (LPWSTR)pw);
|
||
|
|
#else
|
||
|
|
pw += CopyStringW (s, reinterpret_cast<LPWSTR>(pw));
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppw = pw;
|
||
|
|
|
||
|
|
return s.WriteError() ? E_OUTOFMEMORY : NOERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert DLGITEMTEMPLATE -> DLGITEMTEMPLATEEX
|
||
|
|
//
|
||
|
|
// s = Stream to hold converted template.
|
||
|
|
// ppw = Address of current read pointer into the template being converted.
|
||
|
|
// On exit, the referenced pointer is updated with the current read location.
|
||
|
|
//
|
||
|
|
// Returns: E_OUTOFMEMORY, NOERROR
|
||
|
|
//
|
||
|
|
HRESULT
|
||
|
|
CDlgTemplateConverter::DlgItemToDlgEx(
|
||
|
|
CByteStream& s,
|
||
|
|
#ifndef UNIX
|
||
|
|
LPWORD *ppw
|
||
|
|
#else
|
||
|
|
LPDWORD *ppw
|
||
|
|
#endif
|
||
|
|
)
|
||
|
|
{
|
||
|
|
#ifndef UNIX
|
||
|
|
LPWORD pw = *ppw;
|
||
|
|
#else
|
||
|
|
LPDWORD pw = *ppw;
|
||
|
|
#endif
|
||
|
|
LPDLGITEMTEMPLATE pit = reinterpret_cast<LPDLGITEMTEMPLATE>(pw);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert the fixed-length stuff.
|
||
|
|
//
|
||
|
|
s << static_cast<DWORD>(0) // dwHelpID
|
||
|
|
<< static_cast<DWORD>(pit->dwExtendedStyle)
|
||
|
|
<< static_cast<DWORD>(pit->style)
|
||
|
|
<< static_cast<short>(pit->x)
|
||
|
|
<< static_cast<short>(pit->y)
|
||
|
|
<< static_cast<short>(pit->cx)
|
||
|
|
<< static_cast<short>(pit->cy)
|
||
|
|
<< static_cast<DWORD>(pit->id);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Arrays are always word aligned.
|
||
|
|
//
|
||
|
|
#ifndef UNIX
|
||
|
|
pw = reinterpret_cast<LPWORD>(::AlignWord(reinterpret_cast<LPBYTE>(pw) + sizeof(DLGITEMTEMPLATE)));
|
||
|
|
s.AlignWriteWord();
|
||
|
|
#else
|
||
|
|
pw = reinterpret_cast<LPDWORD>(::AlignWord(reinterpret_cast<LPBYTE>(pw) + sizeof(DLGITEMTEMPLATE)));
|
||
|
|
s.AlignWriteDword();
|
||
|
|
#endif
|
||
|
|
//
|
||
|
|
// Copy the class array.
|
||
|
|
//
|
||
|
|
switch(*pw)
|
||
|
|
{
|
||
|
|
case 0xFFFF:
|
||
|
|
s << *pw++;
|
||
|
|
s << *pw++; // Class code.
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
#ifndef UNIX
|
||
|
|
pw += CopyStringW(s, (LPWSTR)pw);
|
||
|
|
#else
|
||
|
|
pw += CopyStringW (s, reinterpret_cast<LPWSTR>(pw));
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
};
|
||
|
|
//
|
||
|
|
// Copy the title array.
|
||
|
|
//
|
||
|
|
switch(*pw)
|
||
|
|
{
|
||
|
|
case 0xFFFF:
|
||
|
|
s << *pw++;
|
||
|
|
s << *pw++; // Resource ordinal value.
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
#ifndef UNIX
|
||
|
|
pw += CopyStringW(s, (LPWSTR)pw);
|
||
|
|
#else
|
||
|
|
pw += CopyStringW (s, reinterpret_cast<LPWSTR>(pw));
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
};
|
||
|
|
//
|
||
|
|
// Copy the creation data.
|
||
|
|
// *pw is either 0 or the number of bytes of creation data,
|
||
|
|
// including *pw.
|
||
|
|
//
|
||
|
|
switch(*pw)
|
||
|
|
{
|
||
|
|
case 0x0000:
|
||
|
|
s << *pw++;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
#ifndef UNIX
|
||
|
|
pw += s.Write(pw, *pw) / sizeof(WORD);
|
||
|
|
#else
|
||
|
|
pw += s.Write(pw, *pw) / sizeof(DWORD);
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
};
|
||
|
|
|
||
|
|
*ppw = pw;
|
||
|
|
|
||
|
|
return s.WriteError() ? E_OUTOFMEMORY : NOERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// This is the public function for converting a DLGTEMPLATE to
|
||
|
|
// a DLGTEMPLATEEX.
|
||
|
|
//
|
||
|
|
// Returns: E_OUTOFMEMORY, NOERROR
|
||
|
|
//
|
||
|
|
HRESULT
|
||
|
|
CvtDlgToDlgEx(
|
||
|
|
LPDLGTEMPLATE pTemplate,
|
||
|
|
LPDLGTEMPLATEEX *ppTemplateExOut,
|
||
|
|
int iCharset
|
||
|
|
)
|
||
|
|
{
|
||
|
|
CDlgTemplateConverter dtc(iCharset);
|
||
|
|
return dtc.DlgToDlgEx(pTemplate, ppTemplateExOut);
|
||
|
|
}
|
||
|
|
|