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89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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* CiderPress
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* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
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* See the file LICENSE for distribution terms.
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*/
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/*
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* A collection of functions for manipulating Pointers to ID Lists (PIDLs).
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*/
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#ifndef UTIL_PIDL_H
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#define UTIL_PIDL_H
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/*
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* All functions are static; the class is more about namespace protection than
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* data encapsulation.
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*/
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class Pidl {
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public:
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/*
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* Concatenates two PIDLs. The PIDL returned is newly-allocated storage.
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*
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* "pidl1" may be NULL.
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*/
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static LPITEMIDLIST ConcatPidls(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2);
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/*
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* Get a fully qualified PIDL for a ShellFolder.
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*
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* This is a rather roundabout way of doing things (converting to a full
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* display name and then converting that to a PIDL). However, there doesn't
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* seem to be a way to just ask a ShellFolder for its fully qualified PIDL.
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* TODO: see if there's a better way now.
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*
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* Pass in the parent ShellFolder and the item's partial PIDL.
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*/
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static LPITEMIDLIST GetFullyQualPidl(LPSHELLFOLDER lpsf, LPITEMIDLIST lpi);
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/*
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* Make a copy of a PIDL.
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*
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* The PIDL returned is newly-allocated storage.
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*/
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static LPITEMIDLIST CopyITEMID(LPMALLOC lpMalloc, LPITEMIDLIST lpi);
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/*
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* Get the display name of a file in a ShellFolder.
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*
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* "lpsf" is the ShellFolder that contains the file, "lpi" is the PIDL for
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* the file, "dwFlags" is passed to GetDisplayNameOf and affects which
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* name is returned, and "lpFriendlyName" is a buffer of at least MAX_PATH
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* bytes.
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*/
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static BOOL GetName(LPSHELLFOLDER lpsf, LPITEMIDLIST lpi, DWORD dwFlags,
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CString* pFriendlyName);
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/*
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* Allocate a PIDL of the specified size.
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*/
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static LPITEMIDLIST CreatePidl(UINT cbSize);
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/*
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* Compute the size in bytes of a PIDL.
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*/
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static UINT GetSize(LPCITEMIDLIST pidl);
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/*
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* Return the next item in the PIDL.
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*
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* "pidl->mkid.cb" will be zero at the end of the list.
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*/
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static LPITEMIDLIST Next(LPCITEMIDLIST pidl);
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/*
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* Convert a PIDL to a filesystem path.
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*
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* Returns TRUE on success, FALSE on failure.
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*/
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static BOOL GetPath(LPCITEMIDLIST pidl, CString* pPath);
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/*
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* Get the index for an icon for a ShellFolder object.
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*
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* "lpi" is the fully-qualified PIDL for the object in question. "uFlags"
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* specifies which of the object's icons to retrieve.
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*/
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static int GetItemIcon(LPITEMIDLIST lpi, UINT uFlags);
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};
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#endif /*UTIL_PIDL_H*/
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