Kordophone/src/message-list/message-list-view.vala

using Adw;
using Gtk;
using Gee;

public class MessageListView : Adw.Bin
{
    private Adw.ToolbarView container;

    private MessageDrawingArea message_drawing_area = new MessageDrawingArea();
    private ScrolledWindow scrolled_window = new ScrolledWindow();

    public MessageListView(MessageListModel model) {
        container = new Adw.ToolbarView();
        set_child(container);

        scrolled_window.set_child(message_drawing_area);
        scrolled_window.add_css_class("message-list-scroller");
        container.set_content(scrolled_window);

        var header_bar = new Adw.HeaderBar();
        header_bar.set_title_widget(new Label("Messages"));
        container.add_top_bar(header_bar);

        // Create test message set 
        var messages = new TreeSet<Message>();
        messages.add(new Message("Hello, world!", 1, "user"));
        messages.add(new Message("How, are you?", 2, null));
        messages.add(new Message("I'm fine, thank you!", 3, "user"));
        messages.add(new Message("GTK also supports color expressions, which allow colors to be transformed to new ones and can be nested, providing a rich language to define colors. Color expressions resemble functions, taking 1 or more colors and in some cases a number as arguments.", 4, "user"));

        message_drawing_area.set_messages(messages);
    }
}