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Update nfd to 1.1.0.

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Bartosz Taudul 2023-10-09 23:14:55 +02:00
parent 03fdb3402d
commit a762cc0013
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GPG Key ID: B7FE2008B7575DF3
2 changed files with 199 additions and 99 deletions
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114
nfd/nfd.h
View File

@ -10,6 +10,23 @@
#ifndef _NFD_H
#define _NFD_H
#if defined(_WIN32)
#if defined(NFD_EXPORT)
#define NFD_API __declspec(dllexport)
#elif defined(NFD_SHARED)
#define NFD_API __declspec(dllimport)
#endif
#else
#if defined(NFD_EXPORT) || defined(NFD_SHARED)
#if defined(__GNUC__) || defined(__clang__)
#define NFD_API __attribute__((visibility("default")))
#endif
#endif
#endif
#ifndef NFD_API
#define NFD_API
#endif
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
@ -64,60 +81,60 @@ typedef struct {
/* free a file path that was returned by the dialogs */
/* Note: use NFD_PathSet_FreePath to free path from pathset instead of this function */
void NFD_FreePathN(nfdnchar_t* filePath);
NFD_API void NFD_FreePathN(nfdnchar_t* filePath);
/* initialize NFD - call this for every thread that might use NFD, before calling any other NFD
* functions on that thread */
nfdresult_t NFD_Init(void);
NFD_API nfdresult_t NFD_Init(void);
/* call this to de-initialize NFD, if NFD_Init returned NFD_OKAY */
void NFD_Quit(void);
NFD_API void NFD_Quit(void);
/* single file open dialog */
/* It is the caller's responsibility to free `outPath` via NFD_FreePathN() if this function returns
* NFD_OKAY */
/* If filterCount is zero, filterList is ignored (you can use NULL) */
/* If defaultPath is NULL, the operating system will decide */
nfdresult_t NFD_OpenDialogN(nfdnchar_t** outPath,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath);
NFD_API nfdresult_t NFD_OpenDialogN(nfdnchar_t** outPath,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath);
/* multiple file open dialog */
/* It is the caller's responsibility to free `outPaths` via NFD_PathSet_Free() if this function
* returns NFD_OKAY */
/* If filterCount is zero, filterList is ignored (you can use NULL) */
/* If defaultPath is NULL, the operating system will decide */
nfdresult_t NFD_OpenDialogMultipleN(const nfdpathset_t** outPaths,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath);
NFD_API nfdresult_t NFD_OpenDialogMultipleN(const nfdpathset_t** outPaths,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath);
/* save dialog */
/* It is the caller's responsibility to free `outPath` via NFD_FreePathN() if this function returns
* NFD_OKAY */
/* If filterCount is zero, filterList is ignored (you can use NULL) */
/* If defaultPath is NULL, the operating system will decide */
nfdresult_t NFD_SaveDialogN(nfdnchar_t** outPath,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath,
const nfdnchar_t* defaultName);
NFD_API nfdresult_t NFD_SaveDialogN(nfdnchar_t** outPath,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath,
const nfdnchar_t* defaultName);
/* select folder dialog */
/* It is the caller's responsibility to free `outPath` via NFD_FreePathN() if this function returns
* NFD_OKAY */
/* If defaultPath is NULL, the operating system will decide */
nfdresult_t NFD_PickFolderN(nfdnchar_t** outPath, const nfdnchar_t* defaultPath);
NFD_API nfdresult_t NFD_PickFolderN(nfdnchar_t** outPath, const nfdnchar_t* defaultPath);
/* Get last error -- set when nfdresult_t returns NFD_ERROR */
/* Returns the last error that was set, or NULL if there is no error. */
/* The memory is owned by NFD and should not be freed by user code. */
/* This is *always* ASCII printable characters, so it can be interpreted as UTF-8 without any
* conversion. */
const char* NFD_GetError(void);
NFD_API const char* NFD_GetError(void);
/* clear the error */
void NFD_ClearError(void);
NFD_API void NFD_ClearError(void);
/* path set operations */
#ifdef _WIN32
@ -131,36 +148,37 @@ typedef unsigned int nfdpathsetsize_t;
/* Gets the number of entries stored in pathSet */
/* note that some paths might be invalid (NFD_ERROR will be returned by NFD_PathSet_GetPath), so we
* might not actually have this number of usable paths */
nfdresult_t NFD_PathSet_GetCount(const nfdpathset_t* pathSet, nfdpathsetsize_t* count);
NFD_API nfdresult_t NFD_PathSet_GetCount(const nfdpathset_t* pathSet, nfdpathsetsize_t* count);
/* Gets the UTF-8 path at offset index */
/* It is the caller's responsibility to free `outPath` via NFD_PathSet_FreePathN() if this function
* returns NFD_OKAY */
nfdresult_t NFD_PathSet_GetPathN(const nfdpathset_t* pathSet,
nfdpathsetsize_t index,
nfdnchar_t** outPath);
NFD_API nfdresult_t NFD_PathSet_GetPathN(const nfdpathset_t* pathSet,
nfdpathsetsize_t index,
nfdnchar_t** outPath);
/* Free the path gotten by NFD_PathSet_GetPathN */
#ifdef _WIN32
#define NFD_PathSet_FreePathN NFD_FreePathN
#elif __APPLE__
#define NFD_PathSet_FreePathN NFD_FreePathN
#else
void NFD_PathSet_FreePathN(const nfdnchar_t* filePath);
NFD_API void NFD_PathSet_FreePathN(const nfdnchar_t* filePath);
#endif // _WIN32, __APPLE__
/* Gets an enumerator of the path set. */
/* It is the caller's responsibility to free `enumerator` via NFD_PathSet_FreeEnum() if this
* function returns NFD_OKAY, and it should be freed before freeing the pathset. */
nfdresult_t NFD_PathSet_GetEnum(const nfdpathset_t* pathSet, nfdpathsetenum_t* outEnumerator);
NFD_API nfdresult_t NFD_PathSet_GetEnum(const nfdpathset_t* pathSet,
nfdpathsetenum_t* outEnumerator);
/* Frees an enumerator of the path set. */
void NFD_PathSet_FreeEnum(nfdpathsetenum_t* enumerator);
NFD_API void NFD_PathSet_FreeEnum(nfdpathsetenum_t* enumerator);
/* Gets the next item from the path set enumerator.
* If there are no more items, then *outPaths will be set to NULL. */
/* It is the caller's responsibility to free `*outPath` via NFD_PathSet_FreePath() if this
* function returns NFD_OKAY and `*outPath` is not null */
nfdresult_t NFD_PathSet_EnumNextN(nfdpathsetenum_t* enumerator, nfdnchar_t** outPath);
NFD_API nfdresult_t NFD_PathSet_EnumNextN(nfdpathsetenum_t* enumerator, nfdnchar_t** outPath);
/* Free the pathSet */
void NFD_PathSet_Free(const nfdpathset_t* pathSet);
NFD_API void NFD_PathSet_Free(const nfdpathset_t* pathSet);
#ifdef _WIN32
@ -177,50 +195,50 @@ typedef struct {
/* UTF-8 compatibility functions */
/* free a file path that was returned */
void NFD_FreePathU8(nfdu8char_t* outPath);
NFD_API void NFD_FreePathU8(nfdu8char_t* outPath);
/* single file open dialog */
/* It is the caller's responsibility to free `outPath` via NFD_FreePathU8() if this function returns
* NFD_OKAY */
nfdresult_t NFD_OpenDialogU8(nfdu8char_t** outPath,
const nfdu8filteritem_t* filterList,
nfdfiltersize_t count,
const nfdu8char_t* defaultPath);
/* multiple file open dialog */
/* It is the caller's responsibility to free `outPaths` via NFD_PathSet_Free() if this function
* returns NFD_OKAY */
nfdresult_t NFD_OpenDialogMultipleU8(const nfdpathset_t** outPaths,
NFD_API nfdresult_t NFD_OpenDialogU8(nfdu8char_t** outPath,
const nfdu8filteritem_t* filterList,
nfdfiltersize_t count,
const nfdu8char_t* defaultPath);
/* multiple file open dialog */
/* It is the caller's responsibility to free `outPaths` via NFD_PathSet_Free() if this function
* returns NFD_OKAY */
NFD_API nfdresult_t NFD_OpenDialogMultipleU8(const nfdpathset_t** outPaths,
const nfdu8filteritem_t* filterList,
nfdfiltersize_t count,
const nfdu8char_t* defaultPath);
/* save dialog */
/* It is the caller's responsibility to free `outPath` via NFD_FreePathU8() if this function returns
* NFD_OKAY */
nfdresult_t NFD_SaveDialogU8(nfdu8char_t** outPath,
const nfdu8filteritem_t* filterList,
nfdfiltersize_t count,
const nfdu8char_t* defaultPath,
const nfdu8char_t* defaultName);
NFD_API nfdresult_t NFD_SaveDialogU8(nfdu8char_t** outPath,
const nfdu8filteritem_t* filterList,
nfdfiltersize_t count,
const nfdu8char_t* defaultPath,
const nfdu8char_t* defaultName);
/* select folder dialog */
/* It is the caller's responsibility to free `outPath` via NFD_FreePathU8() if this function returns
* NFD_OKAY */
nfdresult_t NFD_PickFolderU8(nfdu8char_t** outPath, const nfdu8char_t* defaultPath);
NFD_API nfdresult_t NFD_PickFolderU8(nfdu8char_t** outPath, const nfdu8char_t* defaultPath);
/* Get the UTF-8 path at offset index */
/* It is the caller's responsibility to free `outPath` via NFD_FreePathU8() if this function returns
* NFD_OKAY */
nfdresult_t NFD_PathSet_GetPathU8(const nfdpathset_t* pathSet,
nfdpathsetsize_t index,
nfdu8char_t** outPath);
NFD_API nfdresult_t NFD_PathSet_GetPathU8(const nfdpathset_t* pathSet,
nfdpathsetsize_t index,
nfdu8char_t** outPath);
/* Gets the next item from the path set enumerator.
* If there are no more items, then *outPaths will be set to NULL. */
/* It is the caller's responsibility to free `*outPath` via NFD_PathSet_FreePathU8() if this
* function returns NFD_OKAY and `*outPath` is not null */
nfdresult_t NFD_PathSet_EnumNextU8(nfdpathsetenum_t* enumerator, nfdu8char_t** outPath);
NFD_API nfdresult_t NFD_PathSet_EnumNextU8(nfdpathsetenum_t* enumerator, nfdu8char_t** outPath);
#define NFD_PathSet_FreePathU8 NFD_FreePathU8

184
nfd/nfd_portal.cpp
View File

@ -77,7 +77,10 @@ struct DBusMessage_Guard {
DBusConnection* dbus_conn;
/* current D-Bus error */
DBusError dbus_err;
/* current error (may be a pointer to the D-Bus error message above, or a pointer to some string
/* current non D-Bus error */
constexpr size_t OWNED_ERR_LEN = 1024;
char owned_err[OWNED_ERR_LEN]{};
/* current error (may be a pointer to dbus_err.message, owned_err, or a pointer to some string
* literal) */
const char* err_ptr = nullptr;
/* the unique name of our connection, used for the Request handle; owned by D-Bus so we don't free
@ -88,6 +91,14 @@ void NFDi_SetError(const char* msg) {
err_ptr = msg;
}
void NFDi_SetFormattedError(const char* format, ...) {
va_list args;
va_start(args, format);
vsnprintf(owned_err, OWNED_ERR_LEN, format, args);
va_end(args);
err_ptr = owned_err;
}
template <typename T>
T* copy(const T* begin, const T* end, T* out) {
for (; begin != end; ++begin) {
@ -119,6 +130,10 @@ constexpr const char* STR_CURRENT_FOLDER = "current_folder";
constexpr const char* STR_CURRENT_FILE = "current_file";
constexpr const char* STR_ALL_FILES = "All files";
constexpr const char* STR_ASTERISK = "*";
constexpr const char* DBUS_DESTINATION = "org.freedesktop.portal.Desktop";
constexpr const char* DBUS_PATH = "/org/freedesktop/portal/desktop";
constexpr const char* DBUS_FILECHOOSER_IFACE = "org.freedesktop.portal.FileChooser";
constexpr const char* DBUS_REQUEST_IFACE = "org.freedesktop.portal.Request";
template <bool Multiple, bool Directory>
void AppendOpenFileQueryTitle(DBusMessageIter&);
@ -469,7 +484,7 @@ void AppendSaveFileQueryDictEntryCurrentName(DBusMessageIter& sub_iter, const ch
dbus_message_iter_close_container(&sub_iter, &sub_sub_iter);
}
void AppendSaveFileQueryDictEntryCurrentFolder(DBusMessageIter& sub_iter, const char* path) {
void AppendOpenFileQueryDictEntryCurrentFolder(DBusMessageIter& sub_iter, const char* path) {
if (!path) return;
DBusMessageIter sub_sub_iter;
DBusMessageIter variant_iter;
@ -536,7 +551,8 @@ template <bool Multiple, bool Directory>
void AppendOpenFileQueryParams(DBusMessage* query,
const char* handle_token,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount) {
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath) {
DBusMessageIter iter;
dbus_message_iter_init_append(query, &iter);
@ -550,6 +566,7 @@ void AppendOpenFileQueryParams(DBusMessage* query,
AppendOpenFileQueryDictEntryMultiple<Multiple>(sub_iter);
AppendOpenFileQueryDictEntryDirectory<Directory>(sub_iter);
AppendOpenFileQueryDictEntryFilters<!Directory>(sub_iter, filterList, filterCount);
AppendOpenFileQueryDictEntryCurrentFolder(sub_iter, defaultPath);
dbus_message_iter_close_container(&iter, &sub_iter);
}
@ -572,7 +589,7 @@ void AppendSaveFileQueryParams(DBusMessage* query,
AppendOpenFileQueryDictEntryHandleToken(sub_iter, handle_token);
AppendSaveFileQueryDictEntryFilters(sub_iter, filterList, filterCount, defaultName);
AppendSaveFileQueryDictEntryCurrentName(sub_iter, defaultName);
AppendSaveFileQueryDictEntryCurrentFolder(sub_iter, defaultPath);
AppendOpenFileQueryDictEntryCurrentFolder(sub_iter, defaultPath);
AppendSaveFileQueryDictEntryCurrentFile(sub_iter, defaultPath, defaultName);
dbus_message_iter_close_container(&iter, &sub_iter);
}
@ -656,7 +673,9 @@ nfdresult_t ReadResponseResults(DBusMessage* msg, DBusMessageIter& resultsIter)
return NFD_CANCEL;
} else {
// Some error occurred
NFDi_SetError("D-Bus file dialog interaction was ended abruptly.");
NFDi_SetFormattedError(
"D-Bus file dialog interaction was ended abruptly with response code %u.",
resp_code);
return NFD_ERROR;
}
}
@ -770,47 +789,37 @@ nfdresult_t ReadResponseUrisSingleAndCurrentExtension(DBusMessage* msg,
[&tmp_extn](DBusMessageIter& current_filter_iter) {
// current_filter is best_effort, so if we fail, we still return NFD_OKAY.
if (dbus_message_iter_get_arg_type(&current_filter_iter) != DBUS_TYPE_STRUCT) {
// NFDi_SetError("D-Bus response signal current_filter iter is not a struct.");
return NFD_OKAY;
}
DBusMessageIter current_filter_struct_iter;
dbus_message_iter_recurse(&current_filter_iter, &current_filter_struct_iter);
if (!dbus_message_iter_next(&current_filter_struct_iter)) {
// NFDi_SetError("D-Bus response signal current_filter struct iter ended
// prematurely.");
return NFD_OKAY;
}
if (dbus_message_iter_get_arg_type(&current_filter_struct_iter) !=
DBUS_TYPE_ARRAY) {
// NFDi_SetError("D-Bus response signal URI sub iter is not a string.");
return NFD_OKAY;
}
DBusMessageIter current_filter_array_iter;
dbus_message_iter_recurse(&current_filter_struct_iter, &current_filter_array_iter);
if (dbus_message_iter_get_arg_type(&current_filter_array_iter) !=
DBUS_TYPE_STRUCT) {
// NFDi_SetError("D-Bus response signal current_filter iter is not a struct.");
return NFD_OKAY;
}
DBusMessageIter current_filter_extn_iter;
dbus_message_iter_recurse(&current_filter_array_iter, &current_filter_extn_iter);
if (dbus_message_iter_get_arg_type(&current_filter_extn_iter) != DBUS_TYPE_UINT32) {
// NFDi_SetError("D-Bus response signal URI sub iter is not a string.");
return NFD_OKAY;
}
dbus_uint32_t type;
dbus_message_iter_get_basic(&current_filter_extn_iter, &type);
if (type != 0) {
// NFDi_SetError("Wrong filter type.");
return NFD_OKAY;
}
if (!dbus_message_iter_next(&current_filter_extn_iter)) {
// NFDi_SetError("D-Bus response signal current_filter struct iter ended
// prematurely.");
return NFD_OKAY;
}
if (dbus_message_iter_get_arg_type(&current_filter_extn_iter) != DBUS_TYPE_STRING) {
// NFDi_SetError("D-Bus response signal URI sub iter is not a string.");
return NFD_OKAY;
}
dbus_message_iter_get_basic(&current_filter_extn_iter, &tmp_extn);
@ -1013,22 +1022,25 @@ constexpr size_t FILE_URI_PREFIX_LEN = sizeof(FILE_URI_PREFIX) - 1;
// buffer, and make outPath point to it, and returns NFD_OKAY. Otherwise, does not modify outPath
// and returns NFD_ERROR (with the correct error set)
nfdresult_t AllocAndCopyFilePath(const char* fileUri, char*& outPath) {
const char* file_uri_iter = fileUri;
const char* prefix_begin = FILE_URI_PREFIX;
const char* const prefix_end = FILE_URI_PREFIX + FILE_URI_PREFIX_LEN;
for (; prefix_begin != prefix_end; ++prefix_begin, ++fileUri) {
if (*prefix_begin != *fileUri) {
NFDi_SetError("D-Bus freedesktop portal returned a URI that is not a file URI.");
for (; prefix_begin != prefix_end; ++prefix_begin, ++file_uri_iter) {
if (*prefix_begin != *file_uri_iter) {
NFDi_SetFormattedError(
"D-Bus freedesktop portal returned \"%s\", which is not a file URI.", fileUri);
return NFD_ERROR;
}
}
size_t decoded_len;
const char* file_uri_end;
if (!TryUriDecodeLen(fileUri, decoded_len, file_uri_end)) {
NFDi_SetError("D-Bus freedesktop portal returned a malformed URI.");
if (!TryUriDecodeLen(file_uri_iter, decoded_len, file_uri_end)) {
NFDi_SetFormattedError("D-Bus freedesktop portal returned a malformed URI \"%s\".",
fileUri);
return NFD_ERROR;
}
char* const path_without_prefix = NFDi_Malloc<char>(decoded_len + 1);
char* const out_end = UriDecodeUnchecked(fileUri, file_uri_end, path_without_prefix);
char* const out_end = UriDecodeUnchecked(file_uri_iter, file_uri_end, path_without_prefix);
*out_end = '\0';
outPath = path_without_prefix;
return NFD_OKAY;
@ -1055,19 +1067,22 @@ bool TryGetValidExtension(const char* extn,
// expected to be either in the form "*.abc" or "*", but this function will check for it, and ignore
// the extension if it is not in the correct form.
nfdresult_t AllocAndCopyFilePathWithExtn(const char* fileUri, const char* extn, char*& outPath) {
const char* file_uri_iter = fileUri;
const char* prefix_begin = FILE_URI_PREFIX;
const char* const prefix_end = FILE_URI_PREFIX + FILE_URI_PREFIX_LEN;
for (; prefix_begin != prefix_end; ++prefix_begin, ++fileUri) {
if (*prefix_begin != *fileUri) {
NFDi_SetError("D-Bus freedesktop portal returned a URI that is not a file URI.");
for (; prefix_begin != prefix_end; ++prefix_begin, ++file_uri_iter) {
if (*prefix_begin != *file_uri_iter) {
NFDi_SetFormattedError(
"D-Bus freedesktop portal returned \"%s\", which is not a file URI.", fileUri);
return NFD_ERROR;
}
}
size_t decoded_len;
const char* file_uri_end;
if (!TryUriDecodeLen(fileUri, decoded_len, file_uri_end)) {
NFDi_SetError("D-Bus freedesktop portal returned a malformed URI.");
if (!TryUriDecodeLen(file_uri_iter, decoded_len, file_uri_end)) {
NFDi_SetFormattedError("D-Bus freedesktop portal returned a malformed URI \"%s\".",
fileUri);
return NFD_ERROR;
}
@ -1084,14 +1099,14 @@ nfdresult_t AllocAndCopyFilePathWithExtn(const char* fileUri, const char* extn,
if (*file_it == '.' || !TryGetValidExtension(extn, trimmed_extn, trimmed_extn_end)) {
// has file extension already or no valid extension in `extn`
char* const path_without_prefix = NFDi_Malloc<char>(decoded_len + 1);
char* const out_end = UriDecodeUnchecked(fileUri, file_uri_end, path_without_prefix);
char* const out_end = UriDecodeUnchecked(file_uri_iter, file_uri_end, path_without_prefix);
*out_end = '\0';
outPath = path_without_prefix;
} else {
// no file extension and we have a valid extension
char* const path_without_prefix =
NFDi_Malloc<char>(decoded_len + (trimmed_extn_end - trimmed_extn));
char* const out_mid = UriDecodeUnchecked(fileUri, file_uri_end, path_without_prefix);
char* const out_mid = UriDecodeUnchecked(file_uri_iter, file_uri_end, path_without_prefix);
char* const out_end = copy(trimmed_extn, trimmed_extn_end, out_mid);
*out_end = '\0';
outPath = path_without_prefix;
@ -1107,7 +1122,8 @@ nfdresult_t AllocAndCopyFilePathWithExtn(const char* fileUri, const char* extn,
template <bool Multiple, bool Directory>
nfdresult_t NFD_DBus_OpenFile(DBusMessage*& outMsg,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount) {
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath) {
const char* handle_token_ptr;
char* handle_obj_path = MakeUniqueObjectPath(&handle_token_ptr);
Free_Guard<char> handle_obj_path_guard(handle_obj_path);
@ -1124,13 +1140,11 @@ nfdresult_t NFD_DBus_OpenFile(DBusMessage*& outMsg,
// TODO: use XOpenDisplay()/XGetInputFocus() to find xid of window... but what should one do on
// Wayland?
DBusMessage* query = dbus_message_new_method_call("org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
"org.freedesktop.portal.FileChooser",
"OpenFile");
DBusMessage* query = dbus_message_new_method_call(
DBUS_DESTINATION, DBUS_PATH, DBUS_FILECHOOSER_IFACE, "OpenFile");
DBusMessage_Guard query_guard(query);
AppendOpenFileQueryParams<Multiple, Directory>(
query, handle_token_ptr, filterList, filterCount);
query, handle_token_ptr, filterList, filterCount, defaultPath);
DBusMessage* reply =
dbus_connection_send_with_reply_and_block(dbus_conn, query, DBUS_TIMEOUT_INFINITE, &err);
@ -1169,7 +1183,7 @@ nfdresult_t NFD_DBus_OpenFile(DBusMessage*& outMsg,
DBusMessage* msg = dbus_connection_pop_message(dbus_conn);
if (!msg) break;
if (dbus_message_is_signal(msg, "org.freedesktop.portal.Request", "Response")) {
if (dbus_message_is_signal(msg, DBUS_REQUEST_IFACE, "Response")) {
// this is the response we're looking for
outMsg = msg;
return NFD_OKAY;
@ -1208,10 +1222,8 @@ nfdresult_t NFD_DBus_SaveFile(DBusMessage*& outMsg,
// TODO: use XOpenDisplay()/XGetInputFocus() to find xid of window... but what should one do on
// Wayland?
DBusMessage* query = dbus_message_new_method_call("org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
"org.freedesktop.portal.FileChooser",
"SaveFile");
DBusMessage* query = dbus_message_new_method_call(
DBUS_DESTINATION, DBUS_PATH, DBUS_FILECHOOSER_IFACE, "SaveFile");
DBusMessage_Guard query_guard(query);
AppendSaveFileQueryParams(
query, handle_token_ptr, filterList, filterCount, defaultPath, defaultName);
@ -1253,7 +1265,7 @@ nfdresult_t NFD_DBus_SaveFile(DBusMessage*& outMsg,
DBusMessage* msg = dbus_connection_pop_message(dbus_conn);
if (!msg) break;
if (dbus_message_is_signal(msg, "org.freedesktop.portal.Request", "Response")) {
if (dbus_message_is_signal(msg, DBUS_REQUEST_IFACE, "Response")) {
// this is the response we're looking for
outMsg = msg;
return NFD_OKAY;
@ -1267,6 +1279,57 @@ nfdresult_t NFD_DBus_SaveFile(DBusMessage*& outMsg,
return NFD_ERROR;
}
nfdresult_t NFD_DBus_GetVersion(dbus_uint32_t& outVersion) {
DBusError err; // need a separate error object because we don't want to mess with the old one
// if it's stil set
dbus_error_init(&err);
DBusMessage* query = dbus_message_new_method_call("org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
"org.freedesktop.DBus.Properties",
"Get");
DBusMessage_Guard query_guard(query);
{
DBusMessageIter iter;
dbus_message_iter_init_append(query, &iter);
constexpr const char* STR_INTERFACE = "org.freedesktop.portal.FileChooser";
dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &STR_INTERFACE);
constexpr const char* STR_VERSION = "version";
dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &STR_VERSION);
}
DBusMessage* reply =
dbus_connection_send_with_reply_and_block(dbus_conn, query, DBUS_TIMEOUT_INFINITE, &err);
if (!reply) {
dbus_error_free(&dbus_err);
dbus_move_error(&err, &dbus_err);
NFDi_SetError(dbus_err.message);
return NFD_ERROR;
}
DBusMessage_Guard reply_guard(reply);
{
DBusMessageIter iter;
if (!dbus_message_iter_init(reply, &iter)) {
NFDi_SetError("D-Bus reply for version query is missing an argument.");
return NFD_ERROR;
}
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
NFDi_SetError("D-Bus reply for version query is not a variant.");
return NFD_ERROR;
}
DBusMessageIter variant_iter;
dbus_message_iter_recurse(&iter, &variant_iter);
if (dbus_message_iter_get_arg_type(&variant_iter) != DBUS_TYPE_UINT32) {
NFDi_SetError("D-Bus reply for version query is not a uint32.");
return NFD_ERROR;
}
dbus_message_iter_get_basic(&variant_iter, &outVersion);
}
return NFD_OKAY;
}
} // namespace
/* public */
@ -1281,7 +1344,7 @@ void NFD_ClearError(void) {
}
nfdresult_t NFD_Init(void) {
// Initialize dbus_error
// Initialize dbus_err
dbus_error_init(&dbus_err);
// Get DBus connection
dbus_conn = dbus_bus_get(DBUS_BUS_SESSION, &dbus_err);
@ -1312,11 +1375,10 @@ nfdresult_t NFD_OpenDialogN(nfdnchar_t** outPath,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath) {
(void)defaultPath; // Default path not supported for portal backend
DBusMessage* msg;
{
const nfdresult_t res = NFD_DBus_OpenFile<false, false>(msg, filterList, filterCount);
const nfdresult_t res =
NFD_DBus_OpenFile<false, false>(msg, filterList, filterCount, defaultPath);
if (res != NFD_OKAY) {
return res;
}
@ -1338,11 +1400,10 @@ nfdresult_t NFD_OpenDialogMultipleN(const nfdpathset_t** outPaths,
const nfdnfilteritem_t* filterList,
nfdfiltersize_t filterCount,
const nfdnchar_t* defaultPath) {
(void)defaultPath; // Default path not supported for portal backend
DBusMessage* msg;
{
const nfdresult_t res = NFD_DBus_OpenFile<true, false>(msg, filterList, filterCount);
const nfdresult_t res =
NFD_DBus_OpenFile<true, false>(msg, filterList, filterCount, defaultPath);
if (res != NFD_OKAY) {
return res;
}
@ -1401,9 +1462,25 @@ nfdresult_t NFD_SaveDialogN(nfdnchar_t** outPath,
nfdresult_t NFD_PickFolderN(nfdnchar_t** outPath, const nfdnchar_t* defaultPath) {
(void)defaultPath; // Default path not supported for portal backend
{
dbus_uint32_t version;
const nfdresult_t res = NFD_DBus_GetVersion(version);
if (res != NFD_OKAY) {
return res;
}
if (version < 3) {
NFDi_SetFormattedError(
"The xdg-desktop-portal installed on this system does not support a folder picker; "
"at least version 3 of the org.freedesktop.portal.FileChooser interface is "
"required but the installed interface version is %u.",
version);
return NFD_ERROR;
}
}
DBusMessage* msg;
{
const nfdresult_t res = NFD_DBus_OpenFile<false, true>(msg, nullptr, 0);
const nfdresult_t res = NFD_DBus_OpenFile<false, true>(msg, nullptr, 0, defaultPath);
if (res != NFD_OKAY) {
return res;
}
@ -1435,10 +1512,15 @@ nfdresult_t NFD_PathSet_GetPathN(const nfdpathset_t* pathSet,
DBusMessage* msg = const_cast<DBusMessage*>(static_cast<const DBusMessage*>(pathSet));
DBusMessageIter uri_iter;
ReadResponseUrisUnchecked(msg, uri_iter);
while (index > 0) {
--index;
nfdpathsetsize_t rem_index = index;
while (rem_index > 0) {
--rem_index;
if (!dbus_message_iter_next(&uri_iter)) {
NFDi_SetError("Index out of bounds.");
NFDi_SetFormattedError(
"Index out of bounds; you asked for index %u but there are only %u file paths "
"available.",
index,
index - rem_index);
return NFD_ERROR;
}
}