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Code Issues Projects Releases Packages Wiki Activity Actions 9

FileManager: Graceful handling of access errors

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A neat error message is displayed when failing to open a directory!
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angel 2020-04-21 21:53:13 +02:00 • committed by Andreas Kling
parent 451b3fa73c
commit cc424b7b0f
Notes: sideshowbarker 2024-07-19 17:35:02 +09:00
3 changed files with 27 additions and 3 deletions
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21
Applications/FileManager/DirectoryView.cpp
View file

@ -91,9 +91,23 @@ DirectoryView::DirectoryView()
m_item_view->set_model_column(GUI::FileSystemModel::Column::Name);
m_columns_view->set_model_column(GUI::FileSystemModel::Column::Name);
m_model->on_root_path_change = [this] {
m_model->on_error = [this](int error, const char* error_string) {
bool quit = false;
if (m_path_history.size())
open(m_path_history.at(m_path_history_position));
else
quit = true;
if (on_error)
on_error(error, error_string, quit);
};
m_model->on_complete = [this] {
m_table_view->selection().clear();
m_item_view->selection().clear();
add_path_to_history(model().root_path());
if (on_path_change)
on_path_change(model().root_path());
};
@ -197,6 +211,9 @@ void DirectoryView::set_view_mode(ViewMode mode)
void DirectoryView::add_path_to_history(const StringView& path)
{
if (m_path_history.size() && m_path_history.at(m_path_history_position) == path)
return;
if (m_path_history_position < m_path_history.size())
m_path_history.resize(m_path_history_position + 1);
@ -210,7 +227,6 @@ void DirectoryView::open(const StringView& path)
model().update();
return;
}
add_path_to_history(path);
model().set_root_path(path);
}
@ -223,7 +239,6 @@ void DirectoryView::set_status_message(const StringView& message)
void DirectoryView::open_parent_directory()
{
auto path = String::format("%s/..", model().root_path().characters());
add_path_to_history(path);
model().set_root_path(path);
}

1
Applications/FileManager/DirectoryView.h
View file

@ -55,6 +55,7 @@ public:
Function<void(const GUI::AbstractView&, const GUI::ModelIndex&, const GUI::DropEvent&)> on_drop;
Function<void(const StringView&)> on_status_message;
Function<void(int done, int total)> on_thumbnail_progress;
Function<void(int error, const char* error_string, bool quit)> on_error;
enum ViewMode {
Invalid,

8
Applications/FileManager/main.cpp
View file

@ -588,6 +588,14 @@ int run_in_windowed_mode(RefPtr<Core::ConfigFile> config, String initial_locatio
go_back_action->set_enabled(directory_view.path_history_position() > 0);
};
directory_view.on_error = [&](int, const char* error_string, bool quit) {
auto error_message = String::format("Could not read directory: %s", error_string);
GUI::MessageBox::show(error_message, "File Manager", GUI::MessageBox::Type::Error);
if (quit)
exit(1);
};
directory_view.on_status_message = [&](const StringView& message) {
statusbar.set_text(message);
};