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73e1a6a470
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@10501 a592a061-630c-0410-9148-cb99ea01b6c8
85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
// -*- C++ -*-
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/**
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* \file os_win32.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Angus Leeming
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*
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* Full author contact details are available in file CREDITS.
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*
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* These classes should be used only on Windows machines.
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*/
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#ifndef OS_WIN32_H
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#define OS_WIN32_H
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#include <string>
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#if !defined(_WIN32)
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# error os_win32.h should be compiled only under Windows.
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#endif
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/* The GetLongPathNameA function declaration in
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* winbase.h under MinGW or Cygwin is protected
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* by the WINVER macro which is defined in windef.h
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*
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* We need to #include this file to make available the
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* DWORD, HMODULE et al. typedefs, so check WINVER now.
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*
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* Note: __CYGWIN__ can be defined here if building in _WIN32 mode.
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*/
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#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(__CYGWIN32__)
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# if !defined(WINVER) || WINVER < 0x0500
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# error WINVER must be >= 0x0500
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# endif
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#endif
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#include <windef.h>
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namespace lyx {
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namespace support {
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namespace os {
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/** Win98 and earlier don't have SHGetFolderPath in shell32.dll.
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* Microsoft recommend that we load shfolder.dll at run time and
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* access the function through that.
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*
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* shfolder.dll is loaded dynamically in the constructor. If loading
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* fails or if the .dll is found not to contain SHGetFolderPathA then
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* the program exits immediately. Otherwise, the .dll is unloaded in
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* the destructor
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*
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* The class makes SHGetFolderPath available through its function operator.
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* It will work on all versions of Windows >= Win95.
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*/
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class GetFolderPath {
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public:
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enum folder_id {
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/// CSIDL_PERSONAL
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PERSONAL,
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/// CSIDL_APPDATA
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APPDATA
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};
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GetFolderPath();
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~GetFolderPath();
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/** Wrapper for SHGetFolderPathA, returning
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* the path asscociated with @c id.
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*/
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std::string const operator()(folder_id id) const;
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private:
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typedef HRESULT (__stdcall * function_pointer)(HWND, int, HANDLE, DWORD, LPCSTR);
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HMODULE folder_module_;
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function_pointer folder_path_func_;
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};
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} // namespace os
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} // namespace support
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} // namespace lyx
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#endif // OS_WIN32_H
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