playlist: Have the last column expand to fill any remaining space

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

playlist/__init__.py

@@ -9,7 +9,7 @@ View.set_hexpand(True)
 View.set_model(Selection)
 
 View.append_column(column.Column("#"))
-View.append_column(column.Column("Title", width=250))
+View.append_column(column.Column("Title", width=250, expand=True))
 View.append_column(column.Column("Length"))
 View.append_column(column.Column("Artist", width=150))
 View.append_column(column.Column("Album", width=150))

playlist/column.py

@@ -3,12 +3,13 @@ from lib import settings
 from gi.repository import Gtk
 
 class Column(Gtk.ColumnViewColumn):
-    def __init__(self, title, width=-1):
+    def __init__(self, title, width=-1, expand=False):
         Gtk.ColumnViewColumn.__init__(self)
 
         settings.initialize(f"column.{title}", width)
 
         self.set_fixed_width(settings.get_int(f"column.{title}"))
+        self.set_expand(expand)
         self.set_resizable(True)
         self.set_title(title)
         self.connect("notify::fixed-width", self.on_width_changed)

playlist/test_column.py

@@ -14,6 +14,10 @@ class TestPlaylistColumn(unittest.TestCase):
 
         self.assertEqual(col.get_title(), "Test")
         self.assertTrue(col.get_resizable())
+        self.assertFalse(col.get_expand())
+
+        col = column.Column("Test2", expand=True)
+        self.assertTrue(col.get_expand())
 
     def test_playlist_column_width(self):
         col = column.Column("Test", width=100)

test_playlist.py

@@ -3,9 +3,20 @@ from gi.repository import Gtk
 import playlist
 import unittest
 
-columns = [ ("#", -1), ("Title", 250), ("Length", -1),
-            ("Artist", 150), ("Album", 150),
-            ("Year", -1), ("Count", -1), ("Last Played", 150) ]
+class ColumnEV:
+    def __init__(self, title, width, expand):
+        self.title = title
+        self.width = width
+        self.expand = expand
+
+columns = [ ColumnEV("#", -1, False),
+            ColumnEV("Title", 250, True),
+            ColumnEV("Length", -1, False),
+            ColumnEV("Artist", 150, False),
+            ColumnEV("Album", 150, False),
+            ColumnEV("Year", -1, False),
+            ColumnEV("Count", -1, False),
+            ColumnEV("Last Played", 150, False) ]
 
 class TestPlaylist(unittest.TestCase):
     def test_playlist_init(self):
@@ -19,5 +30,6 @@ class TestPlaylist(unittest.TestCase):
         self.assertTrue(playlist.View.get_hexpand())
 
         for (i, c) in enumerate(playlist.View.get_columns()):
-            self.assertEqual(c.get_title(), columns[i][0])
-            self.assertEqual(c.get_fixed_width(), columns[i][1])
+            self.assertEqual(c.get_title(), columns[i].title)
+            self.assertEqual(c.get_fixed_width(), columns[i].width)
+            self.assertEqual(c.get_expand(), columns[i].expand)