GitHubUserFetcherWindow Class Reference

Main application window for the GitHub user fetcher GUI. More...

Inheritance diagram for GitHubUserFetcherWindow:

Public Member Functions
	GitHubUserFetcherWindow ()
	Constructs the main window, sets up widgets and signals.

Private Member Functions
void	on_button_clicked ()
	Event handler for the fetch button.
void	show_message (const std::string &msg)
	Displays a message in the text view area.

Private Attributes
Gtk::Box	box
	Container for layout.
Gtk::Entry	entry
	Text field for GitHub username input.
Gtk::Button	button
	Button to trigger fetch.
Gtk::ScrolledWindow	scrolled_window
	Scrollable container for text_view.
Gtk::TextView	text_view
	Text view to display results or messages.

Detailed Description

Main application window for the GitHub user fetcher GUI.

This class sets up the UI elements such as the input field, button, and display area. It fetches user data from GitHub in a background thread and updates the UI asynchronously using Glib's main loop.

Definition at line 39 of file gui.cpp.

Constructor & Destructor Documentation

GitHubUserFetcherWindow()

GitHubUserFetcherWindow::GitHubUserFetcherWindow ( )

inline

Constructs the main window, sets up widgets and signals.

Applies CSS styling, initializes all widgets, and connects the button click signal to the event handler.

Definition at line 47 of file gui.cpp.

                            {
    auto css_provider = Gtk::CssProvider::create();
    try {
      css_provider->load_from_data(css_data);
      auto display = Gdk::Display::get_default();
      Gtk::StyleContext::add_provider_for_display(
          display, css_provider, GTK_STYLE_PROVIDER_PRIORITY_USER);
    } catch (const Glib::FileError &e) {
      std::cerr << "Failed to load CSS data: " << e.what() << '\n';
    } catch (...) {
      std::cerr << "Unknown error occurred while loading CSS.\n";
    }
 
    set_title("GitHub User Fetcher");
    set_default_size(400, 300);
 
    box.set_orientation(Gtk::Orientation::VERTICAL);
    set_child(box);
 
    entry.set_placeholder_text("Enter GitHub username...");
    box.append(entry);
 
    button.set_label("Fetch User");
    box.append(button);
 
    scrolled_window.set_child(text_view);
    scrolled_window.set_policy(Gtk::PolicyType::AUTOMATIC,
                               Gtk::PolicyType::AUTOMATIC);
    scrolled_window.set_expand(true);
    box.append(scrolled_window);
 
    text_view.set_editable(false);
    text_view.set_wrap_mode(Gtk::WrapMode::WORD);
 
    button.signal_clicked().connect(
        sigc::mem_fun(*this, &GitHubUserFetcherWindow::on_button_clicked));
  }

References box, button, entry, GTK_STYLE_PROVIDER_PRIORITY_USER, on_button_clicked(), scrolled_window, and text_view.

Member Function Documentation

on_button_clicked()

void GitHubUserFetcherWindow::on_button_clicked ( )

inlineprivate

Event handler for the fetch button.

Starts a background thread to fetch GitHub user data and updates the text view with the results. Displays an error message on failure.

Definition at line 98 of file gui.cpp.

                           {
    std::string username = entry.get_text();
    if (username.empty()) {
      show_message("Please enter a username.");
      return;
    }
 
    text_view.get_buffer()->set_text("Fetching...");
 
    std::thread([this, username]() {
      try {
        User user = User::fetch_github_user(username);
        nlohmann::json json = {{"login", user.login},
                               {"name", user.name},
                               {"company", user.company},
                               {"location", user.location}};
 
        std::string result = json.dump(4);
 
        Glib::signal_idle().connect_once(
            [this, result]() { text_view.get_buffer()->set_text(result); });
 
      } catch (const std::exception &e) {
        std::string error_msg = std::string("Error: ") + e.what();
        Glib::signal_idle().connect_once([this, error_msg]() {
          text_view.get_buffer()->set_text(error_msg);
        });
      }
    }).detach();
  }

References User::company, entry, User::location, User::login, User::name, show_message(), and text_view.

Referenced by GitHubUserFetcherWindow().

show_message()

void GitHubUserFetcherWindow::show_message ( const std::string & msg )

inlineprivate

Displays a message in the text view area.

Parameters

msg	The message to display.

Definition at line 133 of file gui.cpp.

                                          {
    text_view.get_buffer()->set_text(msg);
  }

References text_view.

Referenced by on_button_clicked().

Field Documentation

box

Gtk::Box GitHubUserFetcherWindow::box

private

Container for layout.

Definition at line 86 of file gui.cpp.

Referenced by GitHubUserFetcherWindow().

button

Gtk::Button GitHubUserFetcherWindow::button

private

Button to trigger fetch.

Definition at line 88 of file gui.cpp.

Referenced by GitHubUserFetcherWindow().

entry

Gtk::Entry GitHubUserFetcherWindow::entry

private

Text field for GitHub username input.

Definition at line 87 of file gui.cpp.

Referenced by GitHubUserFetcherWindow(), and on_button_clicked().

scrolled_window

Gtk::ScrolledWindow GitHubUserFetcherWindow::scrolled_window

private

Scrollable container for text_view.

Definition at line 89 of file gui.cpp.

Referenced by GitHubUserFetcherWindow().

text_view

Gtk::TextView GitHubUserFetcherWindow::text_view

private

Text view to display results or messages.

Definition at line 90 of file gui.cpp.

Referenced by GitHubUserFetcherWindow(), on_button_clicked(), and show_message().

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The documentation for this class was generated from the following file:

• gui.cpp