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300 lines
11 KiB
C
300 lines
11 KiB
C
/*
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Native File Dialog Extended
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Repository: https://github.com/btzy/nativefiledialog-extended
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License: Zlib
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Authors: Bernard Teo, Michael Labbe
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This header contains the functions that can be called by user code.
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*/
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#ifndef _NFD_H
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#define _NFD_H
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#if defined(_WIN32)
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#if defined(NFD_EXPORT)
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#define NFD_API __declspec(dllexport)
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#elif defined(NFD_SHARED)
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#define NFD_API __declspec(dllimport)
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#endif
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#else
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#if defined(NFD_EXPORT) || defined(NFD_SHARED)
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#if defined(__GNUC__) || defined(__clang__)
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#define NFD_API __attribute__((visibility("default")))
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#endif
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#endif
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#endif
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#ifndef NFD_API
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#define NFD_API
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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#include <stddef.h>
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#ifdef _WIN32
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/* denotes UTF-16 char */
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typedef wchar_t nfdnchar_t;
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#else
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/* denotes UTF-8 char */
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typedef char nfdnchar_t;
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#endif // _WIN32
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/* opaque data structure -- see NFD_PathSet_* */
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typedef void nfdpathset_t;
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#ifndef NFD_PORTAL
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typedef struct {
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void* ptr;
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} nfdpathsetenum_t;
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#else
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typedef struct {
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void* d1;
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void* d2;
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unsigned int d3;
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int d4;
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int d5;
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int d6;
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int d7;
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int d8;
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int d9;
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int d10;
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int d11;
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int p1;
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void* p2;
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void* p3;
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} nfdpathsetenum_t;
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#endif
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typedef unsigned int nfdfiltersize_t;
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typedef enum {
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NFD_ERROR, /* programmatic error */
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NFD_OKAY, /* user pressed okay, or successful return */
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NFD_CANCEL /* user pressed cancel */
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} nfdresult_t;
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typedef struct {
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const nfdnchar_t* name;
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const nfdnchar_t* spec;
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} nfdnfilteritem_t;
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/* free a file path that was returned by the dialogs */
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/* Note: use NFD_PathSet_FreePath to free path from pathset instead of this function */
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NFD_API void NFD_FreePathN(nfdnchar_t* filePath);
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/* initialize NFD - call this for every thread that might use NFD, before calling any other NFD
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* functions on that thread */
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NFD_API nfdresult_t NFD_Init(void);
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/* call this to de-initialize NFD, if NFD_Init returned NFD_OKAY */
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NFD_API void NFD_Quit(void);
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/* single file open dialog */
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/* It is the caller's responsibility to free `outPath` via NFD_FreePathN() if this function returns
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* NFD_OKAY */
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/* If filterCount is zero, filterList is ignored (you can use NULL) */
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/* If defaultPath is NULL, the operating system will decide */
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NFD_API nfdresult_t NFD_OpenDialogN(nfdnchar_t** outPath,
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const nfdnfilteritem_t* filterList,
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nfdfiltersize_t filterCount,
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const nfdnchar_t* defaultPath);
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/* multiple file open dialog */
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/* It is the caller's responsibility to free `outPaths` via NFD_PathSet_Free() if this function
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* returns NFD_OKAY */
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/* If filterCount is zero, filterList is ignored (you can use NULL) */
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/* If defaultPath is NULL, the operating system will decide */
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NFD_API nfdresult_t NFD_OpenDialogMultipleN(const nfdpathset_t** outPaths,
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const nfdnfilteritem_t* filterList,
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nfdfiltersize_t filterCount,
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const nfdnchar_t* defaultPath);
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/* save dialog */
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/* It is the caller's responsibility to free `outPath` via NFD_FreePathN() if this function returns
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* NFD_OKAY */
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/* If filterCount is zero, filterList is ignored (you can use NULL) */
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/* If defaultPath is NULL, the operating system will decide */
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NFD_API nfdresult_t NFD_SaveDialogN(nfdnchar_t** outPath,
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const nfdnfilteritem_t* filterList,
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nfdfiltersize_t filterCount,
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const nfdnchar_t* defaultPath,
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const nfdnchar_t* defaultName);
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/* select folder dialog */
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/* It is the caller's responsibility to free `outPath` via NFD_FreePathN() if this function returns
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* NFD_OKAY */
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/* If defaultPath is NULL, the operating system will decide */
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NFD_API nfdresult_t NFD_PickFolderN(nfdnchar_t** outPath, const nfdnchar_t* defaultPath);
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/* Get last error -- set when nfdresult_t returns NFD_ERROR */
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/* Returns the last error that was set, or NULL if there is no error. */
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/* The memory is owned by NFD and should not be freed by user code. */
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/* This is *always* ASCII printable characters, so it can be interpreted as UTF-8 without any
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* conversion. */
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NFD_API const char* NFD_GetError(void);
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/* clear the error */
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NFD_API void NFD_ClearError(void);
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/* path set operations */
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#ifdef _WIN32
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typedef unsigned long nfdpathsetsize_t;
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#elif __APPLE__
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typedef unsigned long nfdpathsetsize_t;
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#else
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typedef unsigned int nfdpathsetsize_t;
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#endif // _WIN32, __APPLE__
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/* Gets the number of entries stored in pathSet */
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/* note that some paths might be invalid (NFD_ERROR will be returned by NFD_PathSet_GetPath), so we
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* might not actually have this number of usable paths */
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NFD_API nfdresult_t NFD_PathSet_GetCount(const nfdpathset_t* pathSet, nfdpathsetsize_t* count);
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/* Gets the UTF-8 path at offset index */
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/* It is the caller's responsibility to free `outPath` via NFD_PathSet_FreePathN() if this function
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* returns NFD_OKAY */
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NFD_API nfdresult_t NFD_PathSet_GetPathN(const nfdpathset_t* pathSet,
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nfdpathsetsize_t index,
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nfdnchar_t** outPath);
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/* Free the path gotten by NFD_PathSet_GetPathN */
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#ifdef _WIN32
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#define NFD_PathSet_FreePathN NFD_FreePathN
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#elif __APPLE__
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#define NFD_PathSet_FreePathN NFD_FreePathN
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#else
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NFD_API void NFD_PathSet_FreePathN(const nfdnchar_t* filePath);
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#endif // _WIN32, __APPLE__
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/* Gets an enumerator of the path set. */
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/* It is the caller's responsibility to free `enumerator` via NFD_PathSet_FreeEnum() if this
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* function returns NFD_OKAY, and it should be freed before freeing the pathset. */
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NFD_API nfdresult_t NFD_PathSet_GetEnum(const nfdpathset_t* pathSet,
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nfdpathsetenum_t* outEnumerator);
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/* Frees an enumerator of the path set. */
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NFD_API void NFD_PathSet_FreeEnum(nfdpathsetenum_t* enumerator);
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/* Gets the next item from the path set enumerator.
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* If there are no more items, then *outPaths will be set to NULL. */
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/* It is the caller's responsibility to free `*outPath` via NFD_PathSet_FreePath() if this
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* function returns NFD_OKAY and `*outPath` is not null */
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NFD_API nfdresult_t NFD_PathSet_EnumNextN(nfdpathsetenum_t* enumerator, nfdnchar_t** outPath);
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/* Free the pathSet */
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NFD_API void NFD_PathSet_Free(const nfdpathset_t* pathSet);
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#ifdef _WIN32
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/* say that the U8 versions of functions are not just #defined to be the native versions */
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#define NFD_DIFFERENT_NATIVE_FUNCTIONS
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typedef char nfdu8char_t;
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typedef struct {
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const nfdu8char_t* name;
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const nfdu8char_t* spec;
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} nfdu8filteritem_t;
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/* UTF-8 compatibility functions */
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/* free a file path that was returned */
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NFD_API void NFD_FreePathU8(nfdu8char_t* outPath);
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/* single file open dialog */
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/* It is the caller's responsibility to free `outPath` via NFD_FreePathU8() if this function returns
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* NFD_OKAY */
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NFD_API nfdresult_t NFD_OpenDialogU8(nfdu8char_t** outPath,
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const nfdu8filteritem_t* filterList,
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nfdfiltersize_t count,
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const nfdu8char_t* defaultPath);
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/* multiple file open dialog */
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/* It is the caller's responsibility to free `outPaths` via NFD_PathSet_Free() if this function
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* returns NFD_OKAY */
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NFD_API nfdresult_t NFD_OpenDialogMultipleU8(const nfdpathset_t** outPaths,
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const nfdu8filteritem_t* filterList,
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nfdfiltersize_t count,
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const nfdu8char_t* defaultPath);
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/* save dialog */
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/* It is the caller's responsibility to free `outPath` via NFD_FreePathU8() if this function returns
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* NFD_OKAY */
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NFD_API nfdresult_t NFD_SaveDialogU8(nfdu8char_t** outPath,
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const nfdu8filteritem_t* filterList,
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nfdfiltersize_t count,
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const nfdu8char_t* defaultPath,
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const nfdu8char_t* defaultName);
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/* select folder dialog */
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/* It is the caller's responsibility to free `outPath` via NFD_FreePathU8() if this function returns
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* NFD_OKAY */
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NFD_API nfdresult_t NFD_PickFolderU8(nfdu8char_t** outPath, const nfdu8char_t* defaultPath);
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/* Get the UTF-8 path at offset index */
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/* It is the caller's responsibility to free `outPath` via NFD_FreePathU8() if this function returns
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* NFD_OKAY */
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NFD_API nfdresult_t NFD_PathSet_GetPathU8(const nfdpathset_t* pathSet,
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nfdpathsetsize_t index,
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nfdu8char_t** outPath);
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/* Gets the next item from the path set enumerator.
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* If there are no more items, then *outPaths will be set to NULL. */
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/* It is the caller's responsibility to free `*outPath` via NFD_PathSet_FreePathU8() if this
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* function returns NFD_OKAY and `*outPath` is not null */
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NFD_API nfdresult_t NFD_PathSet_EnumNextU8(nfdpathsetenum_t* enumerator, nfdu8char_t** outPath);
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#define NFD_PathSet_FreePathU8 NFD_FreePathU8
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#ifdef NFD_NATIVE
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typedef nfdnchar_t nfdchar_t;
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typedef nfdnfilteritem_t nfdfilteritem_t;
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#define NFD_FreePath NFD_FreePathN
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#define NFD_OpenDialog NFD_OpenDialogN
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#define NFD_OpenDialogMultiple NFD_OpenDialogMultipleN
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#define NFD_SaveDialog NFD_SaveDialogN
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#define NFD_PickFolder NFD_PickFolderN
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#define NFD_PathSet_GetPath NFD_PathSet_GetPathN
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#define NFD_PathSet_FreePath NFD_PathSet_FreePathN
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#define NFD_PathSet_EnumNext NFD_PathSet_EnumNextN
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#else
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typedef nfdu8char_t nfdchar_t;
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typedef nfdu8filteritem_t nfdfilteritem_t;
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#define NFD_FreePath NFD_FreePathU8
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#define NFD_OpenDialog NFD_OpenDialogU8
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#define NFD_OpenDialogMultiple NFD_OpenDialogMultipleU8
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#define NFD_SaveDialog NFD_SaveDialogU8
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#define NFD_PickFolder NFD_PickFolderU8
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#define NFD_PathSet_GetPath NFD_PathSet_GetPathU8
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#define NFD_PathSet_FreePath NFD_PathSet_FreePathU8
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#define NFD_PathSet_EnumNext NFD_PathSet_EnumNextU8
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#endif // NFD_NATIVE
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#else // _WIN32
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/* the native charset is already UTF-8 */
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typedef nfdnchar_t nfdchar_t;
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typedef nfdnfilteritem_t nfdfilteritem_t;
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#define NFD_FreePath NFD_FreePathN
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#define NFD_OpenDialog NFD_OpenDialogN
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#define NFD_OpenDialogMultiple NFD_OpenDialogMultipleN
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#define NFD_SaveDialog NFD_SaveDialogN
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#define NFD_PickFolder NFD_PickFolderN
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#define NFD_PathSet_GetPath NFD_PathSet_GetPathN
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#define NFD_PathSet_FreePath NFD_PathSet_FreePathN
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#define NFD_PathSet_EnumNext NFD_PathSet_EnumNextN
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typedef nfdnchar_t nfdu8char_t;
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typedef nfdnfilteritem_t nfdu8filteritem_t;
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#define NFD_FreePathU8 NFD_FreePathN
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#define NFD_OpenDialogU8 NFD_OpenDialogN
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#define NFD_OpenDialogMultipleU8 NFD_OpenDialogMultipleN
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#define NFD_SaveDialogU8 NFD_SaveDialogN
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#define NFD_PickFolderU8 NFD_PickFolderN
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#define NFD_PathSet_GetPathU8 NFD_PathSet_GetPathN
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#define NFD_PathSet_FreePathU8 NFD_PathSet_FreePathN
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#define NFD_PathSet_EnumNextU8 NFD_PathSet_EnumNextN
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#endif // _WIN32
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // _NFD_H
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