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https://github.com/reactos/reactos.git
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92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/*
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* PROJECT: shell32
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* LICENSE: LGPL-2.1+ (https://spdx.org/licenses/LGPL-2.1+)
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* PURPOSE: Utility functions
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* COPYRIGHT: ReactOS Team
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*/
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#pragma once
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#ifdef __cplusplus
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static inline LPWSTR
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SHStrDupW(LPCWSTR Src)
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{
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LPWSTR Dup;
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return SUCCEEDED(SHStrDupW(Src, &Dup)) ? Dup : NULL;
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}
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static inline UINT
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SHELL_ErrorBox(CMINVOKECOMMANDINFO &cmi, UINT Error)
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{
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if (cmi.fMask & CMIC_MASK_FLAG_NO_UI)
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return Error ? Error : ERROR_INTERNAL_ERROR;
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return SHELL_ErrorBox(cmi.hwnd, Error);
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}
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#endif
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static inline BOOL
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RegValueExists(HKEY hKey, LPCWSTR Name)
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{
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return RegQueryValueExW(hKey, Name, NULL, NULL, NULL, NULL) == ERROR_SUCCESS;
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}
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inline BOOL
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RegKeyExists(HKEY hKey, LPCWSTR Path)
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{
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BOOL ret = !RegOpenKeyExW(hKey, Path, 0, MAXIMUM_ALLOWED, &hKey);
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if (ret)
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RegCloseKey(hKey);
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return ret;
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}
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inline DWORD
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RegSetOrDelete(HKEY hKey, LPCWSTR Name, DWORD Type, LPCVOID Data, DWORD Size)
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{
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if (Data)
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return RegSetValueExW(hKey, Name, 0, Type, LPBYTE(Data), Size);
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else
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return RegDeleteValueW(hKey, Name);
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}
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static inline DWORD
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RegSetString(HKEY hKey, LPCWSTR Name, LPCWSTR Str, DWORD Type = REG_SZ)
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{
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return RegSetValueExW(hKey, Name, 0, Type, LPBYTE(Str), (lstrlenW(Str) + 1) * sizeof(WCHAR));
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}
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typedef struct
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{
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LPCSTR Verb;
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WORD CmdId;
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} CMVERBMAP;
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HRESULT
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SHELL_MapContextMenuVerbToCmdId(LPCMINVOKECOMMANDINFO pICI, const CMVERBMAP *pMap);
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HRESULT
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SHELL_GetCommandStringImpl(SIZE_T CmdId, UINT uFlags, LPSTR Buf, UINT cchBuf, const CMVERBMAP *pMap);
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// SHExtractIconsW is a forward, use this function instead inside shell32
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inline HICON
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SHELL32_SHExtractIcon(LPCWSTR File, int Index, int cx, int cy)
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{
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HICON hIco;
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int r = PrivateExtractIconsW(File, Index, cx, cy, &hIco, NULL, 1, 0);
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return r > 0 ? hIco : NULL;
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}
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HRESULT
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SHELL_CreateShell32DefaultExtractIcon(int IconIndex, REFIID riid, LPVOID *ppvOut);
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static inline HRESULT
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SHELL_CreateFallbackExtractIconForFolder(REFIID riid, LPVOID *ppvOut)
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{
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const int id = IDI_SHELL_FOLDER;
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return SHELL_CreateShell32DefaultExtractIcon(id > 1 ? -id : 0, riid, ppvOut);
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}
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static inline HRESULT
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SHELL_CreateFallbackExtractIconForNoAssocFile(REFIID riid, LPVOID *ppvOut)
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{
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const int id = IDI_SHELL_DOCUMENT;
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return SHELL_CreateShell32DefaultExtractIcon(id > 1 ? -id : 0, riid, ppvOut);
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}
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