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add native file dialogs extended from vcpkg

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also some required changes to filedialog.cpp to use the updated nfde commented and documented
This commit is contained in:
marauder2k7 2026-06-20 12:19:14 +01:00
parent 392df11e2b
commit 00f8e08025
20 changed files with 87 additions and 2633 deletions
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152
Engine/source/platform/nativeDialogs/fileDialog.cpp
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@ -190,66 +190,58 @@ static const U32 convertUTF16toUTF8DoubleNULL(const UTF16 *unistring, UTF8 *out
//
bool FileDialog::Execute()
{
String strippedFilters;
// Build an NFDe filter array from Torque's "Name|*.ext;*.ext|Name2|*.ext3"
// format. filterStorage owns the strings the array points into - it must
// stay alive for as long as the filters array is used below.
Vector<String> filterStorage;
Vector<nfdu8filteritem_t> filters;
U32 filtersCount = StringUnit::getUnitCount(mData.mFilters, "|");
U32 unitCount = StringUnit::getUnitCount(mData.mFilters, "|");
for (U32 i = 1; i < filtersCount; ++i)
// Pairs: Name, Pattern, Name, Pattern, ...
for (U32 i = 0; i + 1 < unitCount; i += 2)
{
//The first of each pair is the name, which we'll skip because NFD doesn't support named filters atm
String filter = StringUnit::getUnit(mData.mFilters, i, "|");
String name = StringUnit::getUnit(mData.mFilters, i, "|");
String pattern = StringUnit::getUnit(mData.mFilters, i + 1, "|");
if (!String::compare(filter.c_str(), "*.*"))
continue;
if (pattern.equal("*.*"))
continue; // "All files" - an empty filter list means "allow anything"
U32 subFilterCount = StringUnit::getUnitCount(filter, ";");
//if we have a 'super filter', break it down to sub-options as well
if (subFilterCount > 1)
// "*.png;*.jpg" -> "png,jpg"
String spec;
U32 extCount = StringUnit::getUnitCount(pattern, ";");
for (U32 e = 0; e < extCount; ++e)
{
String suffixFilter;
String subFilters;
for (U32 f = 0; f < subFilterCount; ++f)
{
String subFilter = StringUnit::getUnit(filter, f, ";");
suffixFilter += String::ToLower(subFilter) + "," + String::ToUpper(subFilter) + ",";
subFilters += String::ToLower(subFilter) + "," + String::ToUpper(subFilter) + ";";
}
suffixFilter = suffixFilter.substr(0, suffixFilter.length() - 1);
suffixFilter += ";";
strippedFilters += suffixFilter + subFilters;
}
else //otherwise, just add the filter
{
strippedFilters += String::ToLower(filter) + "," + String::ToUpper(filter) + ";";
String ext = StringUnit::getUnit(pattern, e, ";");
ext.replace("*.", "");
if (e > 0)
spec += ",";
spec += ext;
}
++i;
if (i < filtersCount - 2)
strippedFilters += String(";");
filterStorage.push_back(name);
filterStorage.push_back(spec);
}
//strip the last character, if it's unneeded
if (strippedFilters.endsWith(";"))
// filterStorage is done growing past this point, so c_str() pointers
// below stay valid for the rest of this function.
for (U32 i = 0; i + 1 < filterStorage.size(); i += 2)
{
strippedFilters = strippedFilters.substr(0, strippedFilters.length() - 1);
nfdu8filteritem_t item;
item.name = filterStorage[i].c_str();
item.spec = filterStorage[i + 1].c_str();
filters.push_back(item);
}
strippedFilters.replace("*.", "");
// Get the current working directory, so we can back up to it once Windows has
// done its craziness and messed with it.
StringTableEntry cwd = Platform::getCurrentDirectory();
if (mData.mDefaultPath == StringTable->lookup("") || !Platform::isDirectory(mData.mDefaultPath))
mData.mDefaultPath = cwd;
String rootDir = String(cwd);
// Execute Dialog (Blocking Call)
nfdchar_t *outPath = NULL;
nfdpathset_t pathSet;
nfdu8char_t* outPath = NULL;
const nfdpathset_t* pathSet = NULL;
nfdresult_t result = NFD_ERROR;
String defaultPath = String(mData.mDefaultPath);
@ -258,67 +250,91 @@ bool FileDialog::Execute()
rootDir.replace("/", "\\");
#endif
if (NFD_Init() != NFD_OKAY)
{
Con::errorf("NFD plugin failed to initialize: %s", NFD_GetError());
return false;
}
if (mData.mStyle & FileDialogData::FDS_OPEN && !(mData.mStyle & FileDialogData::FDS_BROWSEFOLDER))
result = NFD_OpenDialog(strippedFilters.c_str(), defaultPath.c_str(), &outPath);
result = NFD_OpenDialog(&outPath, filters.address(), filters.size(), defaultPath.c_str());
else if (mData.mStyle & FileDialogData::FDS_SAVE && !(mData.mStyle & FileDialogData::FDS_BROWSEFOLDER))
result = NFD_SaveDialog(strippedFilters.c_str(), defaultPath.c_str(), &outPath);
result = NFD_SaveDialog(&outPath, filters.address(), filters.size(), defaultPath.c_str(), mData.mDefaultFile);
else if (mData.mStyle & FileDialogData::FDS_MULTIPLEFILES)
result = NFD_OpenDialogMultiple(strippedFilters.c_str(), defaultPath.c_str(), &pathSet);
result = NFD_OpenDialogMultiple(&pathSet, filters.address(), filters.size(), defaultPath.c_str());
else if (mData.mStyle & FileDialogData::FDS_BROWSEFOLDER)
result = NFD_PickFolder(defaultPath.c_str(), &outPath);
result = NFD_PickFolder(&outPath, defaultPath.c_str());
if (result == NFD_CANCEL)
{
NFD_Quit();
return false;
}
String resultPath = String(outPath).replace(rootDir, String(""));
if(resultPath[0] == '\\')
resultPath = resultPath.replace(0, 1, String("")).c_str(); //kill '\\' prefix
resultPath = resultPath.replace(String("\\"), String("/"));
// Did we select a file?
if (result != NFD_OKAY)
{
Con::errorf("NFD plugin error: %s", NFD_GetError());
NFD_Quit();
return false;
}
// Store the result on our object
if (mData.mStyle & FileDialogData::FDS_OPEN || mData.mStyle & FileDialogData::FDS_SAVE)
if (mData.mStyle & FileDialogData::FDS_OPEN || mData.mStyle & FileDialogData::FDS_SAVE || mData.mStyle & FileDialogData::FDS_BROWSEFOLDER)
{
// Single file selection, do it the easy way
if(mForceRelativePath)
String resultPath = String(outPath).replace(rootDir, String(""));
if (resultPath[0] == '\\')
resultPath = resultPath.replace(0, 1, String("")).c_str(); //kill '\\' prefix
resultPath = resultPath.replace(String("\\"), String("/"));
if (mForceRelativePath)
mData.mFile = Con::getReturnBuffer(Platform::makeRelativePathName(resultPath.c_str(), NULL));
else
mData.mFile = Con::getReturnBuffer(resultPath.c_str());
NFD_FreePath(outPath);
}
else if (mData.mStyle & FileDialogData::FDS_MULTIPLEFILES)
{
//check if we have multiple files actually selected or not
U32 fileCount = (U32)NFD_PathSet_GetCount(&pathSet);
nfdpathsetsize_t fileCount = 0;
NFD_PathSet_GetCount(pathSet, &fileCount);
if (fileCount > 1)
{
//yep, so parse through them and prep our return
for (U32 i = 0; i < fileCount; ++i)
for (nfdpathsetsize_t i = 0; i < fileCount; ++i)
{
nfdchar_t *path = NFD_PathSet_GetPath(&pathSet, i);
setDataField(StringTable->insert("files"), Con::getIntArg(i), path);
nfdu8char_t* path = NULL;
NFD_PathSet_GetPath(pathSet, i, &path);
String resultPath = String(path).replace(rootDir, String(""));
resultPath = resultPath.replace(String("\\"), String("/"));
setDataField(StringTable->insert("files"), Con::getIntArg(i),
mForceRelativePath ? Platform::makeRelativePathName(resultPath.c_str(), NULL) : resultPath.c_str());
NFD_PathSet_FreePath(path);
}
setDataField(StringTable->insert("fileCount"), NULL, Con::getIntArg(fileCount));
setDataField(StringTable->insert("fileCount"), NULL, Con::getIntArg((S32)fileCount));
}
else
else if (fileCount == 1)
{
//nope, just one file, so set it as normal
if (mForceRelativePath)
setDataField(StringTable->insert("files"), "0", Platform::makeRelativePathName(resultPath.c_str(), NULL));
else
setDataField(StringTable->insert("files"), "0", resultPath.c_str());
nfdu8char_t* path = NULL;
NFD_PathSet_GetPath(pathSet, 0, &path);
String resultPath = String(path).replace(rootDir, String(""));
resultPath = resultPath.replace(String("\\"), String("/"));
setDataField(StringTable->insert("files"), "0",
mForceRelativePath ? Platform::makeRelativePathName(resultPath.c_str(), NULL) : resultPath.c_str());
setDataField(StringTable->insert("fileCount"), NULL, "1");
NFD_PathSet_FreePath(path);
}
NFD_PathSet_Free(pathSet);
}
NFD_Quit();
// Return success.
return true;
}