DirectoryDialog
#include "toolkit/directory_dialog.hpp"
A chainable, async-style builder for choosing a directory — either the
platform's native picker or a toolkit-drawn one. Same Future pattern as
FileDialog.
Example
toolkit::DirectoryDialog(window)
.title("Choose Output Folder")
.choose()
.then([](std::optional<std::string> path) {
if (path) set_output_dir(*path);
});
Construction
explicit DirectoryDialog(Window *parent);
API
| Member | Description |
|---|---|
title(std::string_view) | Dialog title |
start_path(std::string_view) | Initial directory |
use_native(bool = true) | Prefer the OS-native picker (default: on) |
choose() → Future | Show the dialog |
Future::then(Callback) registers a std::function<void(std::optional<std::string>)>
called with the chosen path, or std::nullopt if cancelled.