From c5867badae3938c964be18426bc2b8d31f45c420 Mon Sep 17 00:00:00 2001
From: Anna Schumaker <Anna@NoWheyCreamery.com>
Date: Wed, 24 Jan 2024 10:13:11 -0500
Subject: [PATCH] header: Add a menu button

This will be expanded to contain the open file button, the settings
dialog, and eventually a listenbrainz configuration option.

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
---
 emmental/header/__init__.py | 14 ++++++++++++--
 tests/header/test_header.py | 18 ++++++++++++++++++
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/emmental/header/__init__.py b/emmental/header/__init__.py
index aff2897..efc5b3d 100644
--- a/emmental/header/__init__.py
+++ b/emmental/header/__init__.py
@@ -44,11 +44,20 @@ class Header(Gtk.HeaderBar):
     def __init__(self, sql: db.Connection, title: str):
         """Initialize the HeaderBar."""
         super().__init__(title=title, subtitle=SUBTITLE, sql=sql)
+        self._title = Adw.WindowTitle(title=self.title, subtitle=self.subtitle,
+                                      tooltip_text=gsetup.env_string())
+
         icon = "sidebar-show-symbolic"
         self._show_sidebar = Gtk.ToggleButton(icon_name=icon, has_frame=False)
         self._open = open.Button()
-        self._title = Adw.WindowTitle(title=self.title, subtitle=self.subtitle,
-                                      tooltip_text=gsetup.env_string())
+
+        self._menu_box = Gtk.ListBox(selection_mode=Gtk.SelectionMode.NONE)
+        self._menu_box.add_css_class("boxed-list")
+
+        icon = "open-menu-symbolic"
+        self._menu_button = buttons.PopoverButton(popover_child=self._menu_box,
+                                                  icon_name=icon)
+
         self._volume = volume.VolumeRow()
         self._volume_icon = Gtk.Image(icon_name=_volume_icon(self.volume))
         self._background = volume.BackgroundRow()
@@ -92,6 +101,7 @@ class Header(Gtk.HeaderBar):
                                         tooltip_text="open settings editor")
             self._settings.connect("clicked", self.__run_settings)
             self.pack_start(self._settings)
+        self.pack_start(self._menu_button)
 
         self.pack_end(self._vol_button)
         self.set_title_widget(self._title)
diff --git a/tests/header/test_header.py b/tests/header/test_header.py
index 9de318c..b7b4b51 100644
--- a/tests/header/test_header.py
+++ b/tests/header/test_header.py
@@ -77,6 +77,24 @@ class TestHeader(tests.util.TestCase):
             self.header._settings.emit("clicked")
             mock_present.assert_called()
 
+    def test_menu_button(self):
+        """Check that the menu popover button is set up properly."""
+        self.assertIsInstance(self.header._menu_button,
+                              emmental.buttons.PopoverButton)
+        self.assertIsNotNone(self.header._menu_button.props.parent)
+
+        self.assertEqual(self.header._menu_button.props.icon_name,
+                         "open-menu-symbolic")
+        self.assertEqual(self.header._menu_button.popover_child,
+                         self.header._menu_box)
+
+    def test_menu_popover_child(self):
+        """Check that the menu popover button child was set up correctly."""
+        self.assertIsInstance(self.header._menu_box, Gtk.ListBox)
+        self.assertEqual(self.header._menu_box.get_selection_mode(),
+                         Gtk.SelectionMode.NONE)
+        self.assertTrue(self.header._menu_box.has_css_class("boxed-list"))
+
     def test_volume_icons(self):
         """Check that the volume icons box is set up properly."""
         self.assertIsInstance(self.header._icons, Gtk.Box)