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LibGUI: Fix FileSystemModel/FileManager after aeee98b

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Previously, the null state of m_root_path was use to (subtly) mark the
parent of the root. The empty path is always replaced with "." so after
aeee98b there was no "parent of root" node. This lead to the file
manager crashing when opened.
This commit is contained in:
MacDue 2023-10-15 17:10:27 +01:00 • committed by Ali Mohammad Pur
parent 6f783929dd
commit f0cd7adaf8
2 changed files with 13 additions and 13 deletions
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16
Userland/Libraries/LibGUI/FileSystemModel.cpp
View file

@ -232,8 +232,8 @@ Optional<FileSystemModel::Node const&> FileSystemModel::node_for_path(Deprecated
DeprecatedString resolved_path;
if (path == m_root_path)
resolved_path = "/";
else if (!m_root_path.is_empty() && path.starts_with(m_root_path))
resolved_path = LexicalPath::relative_path(path, m_root_path);
else if (m_root_path.has_value() && !m_root_path->is_empty() && path.starts_with(*m_root_path))
resolved_path = LexicalPath::relative_path(path, *m_root_path);
else
resolved_path = path;
LexicalPath lexical_path(resolved_path);
@ -269,8 +269,8 @@ DeprecatedString FileSystemModel::full_path(ModelIndex const& index) const
return node.full_path();
}
FileSystemModel::FileSystemModel(DeprecatedString root_path, Mode mode)
: m_root_path(LexicalPath::canonicalized_path(move(root_path)))
FileSystemModel::FileSystemModel(Optional<DeprecatedString> root_path, Mode mode)
: m_root_path(root_path.map(LexicalPath::canonicalized_path))
, m_mode(mode)
{
setpwent();
@ -362,12 +362,12 @@ void FileSystemModel::update_node_on_selection(ModelIndex const& index, bool con
node.set_selected(selected);
}
void FileSystemModel::set_root_path(DeprecatedString root_path)
void FileSystemModel::set_root_path(Optional<DeprecatedString> root_path)
{
if (root_path.is_empty())
if (!root_path.has_value())
m_root_path = {};
else
m_root_path = LexicalPath::canonicalized_path(move(root_path));
m_root_path = LexicalPath::canonicalized_path(move(*root_path));
invalidate();
if (m_root->has_error()) {
@ -382,7 +382,7 @@ void FileSystemModel::invalidate()
{
m_root = adopt_own(*new Node(*this));
if (m_root_path.is_empty())
if (!m_root_path.has_value())
m_root->m_parent_of_root = true;
m_root->reify_if_needed();