GtkCommonMark/src/viewer/Main.vala

using Gtk;

int main (string[] argv) {
    // Create a new application
    var app = new Gtk.Application ("com.example.GtkApplication", GLib.ApplicationFlags.FLAGS_NONE);
    app.activate.connect (() => {
        var window = new Gtk.ApplicationWindow (app);
        window.width_request = 250;
        window.height_request = 100;
        window.title = "Not Loopy";

        var text_view = new TextView();
        text_view.set_wrap_mode (WrapMode.WORD_CHAR);
        //  text_view.set_editable (false);

        var buffer = text_view.get_buffer();
        var tags = new GtkCommonMark.TagManager(buffer);

        //  buffer.begin_irreversible_action();

        //  TextIter iter;
        //  buffer.get_iter_at_offset (out iter, 0);

        //  buffer.insert_with_tags (ref iter, "Oh My!\n", -1, tags.heading_l1);
        //  buffer.insert(ref iter, "Hello world ", -1);
        //  buffer.insert_with_tags (ref iter, "this is my link", -1, tags.emphisis, tags.strong);
        //  buffer.insert(ref iter, ", what do you think?\n", -1);
        //  buffer.insert_with_tags (ref iter, "What a quote though\nI don't know what to think!", -1, tags.strong);

        //  buffer.end_irreversible_action();

        var reader = new GtkCommonMark.Reader(buffer, tags);
        var file = GLib.FileStream.open ("/home/bbarrow/Documents/Recipes/canned_spaghetti_toast/recipe.md", "r");
        var root = CMark.Node.parse_file (file, CMark.OPT.DEFAULT);
        reader.append_node (root);

        text_view.top_margin = 18;
        text_view.bottom_margin = 18;
        text_view.left_margin = 18;
        text_view.right_margin = 18;

        var srcolled_window = new Gtk.ScrolledWindow ();
        srcolled_window.set_policy (PolicyType.NEVER, PolicyType.AUTOMATIC);
        srcolled_window.set_child(text_view);
        window.set_child (srcolled_window);

        window.present ();
    });
    return app.run (argv);
}