Add --ui-scale argument to CLI

README.rst

@@ -208,7 +208,7 @@ The command line interface accepts other arguments too:
 .. code-block::
 
     usage: neurotic [-h] [-V] [--debug] [--no-lazy] [--thick-traces]
-                    [--show-datetime]
+                    [--show-datetime] [--ui-scale {tiny,small,large,huge}]
                     [--theme {light,dark,original,printer-friendly}]
                     [--launch-example-notebook]
                     [file] [dataset]
@@ -234,6 +234,9 @@ The command line interface accepts other arguments too:
       --show-datetime       display the real-world date and time, which may be
                             inaccurate depending on file type and acquisition
                             software (default: do not display)
+      --ui-scale {tiny,small,large,huge}
+                            the scale of user interface elements, such as text
+                            (default: small)
       --theme {light,dark,original,printer-friendly}
                             a color theme for the GUI (default: light)
       --launch-example-notebook

neurotic/scripts.py

@@ -60,6 +60,11 @@ def parse_args(argv):
                         help='display the real-world date and time, which ' \
                              'may be inaccurate depending on file type and ' \
                              'acquisition software (default: do not display)')
+    parser.add_argument('--ui-scale', dest='ui_scale',
+                        choices=['tiny', 'small', 'large', 'huge'],
+                        default='small', help='the scale of user interface ' \
+                                              'elements, such as text ' \
+                                              '(default: small)')
     parser.add_argument('--theme', choices=['light', 'dark', 'original',
                                             'printer-friendly'],
                         default='light', help='a color theme for the GUI ' \
@@ -92,7 +97,7 @@ def win_from_args(args):
     """
 
     win = MainWindow(file=args.file, initial_selection=args.dataset,
-                     lazy=args.lazy, theme=args.theme,
+                     lazy=args.lazy, theme=args.theme, ui_scale=args.ui_scale,
                      support_increased_line_width=args.thick,
                      show_datetime=args.datetime)
     return win

neurotic/tests/test_cli.py

@@ -75,6 +75,8 @@ def test_cli_defaults(self):
                          'thick traces enabled without --thick-traces')
         self.assertFalse(win.show_datetime,
                          'datetime enabled without --show-datetime')
+        self.assertEqual(win.ui_scale, 'small',
+                         'ui_scale changed without --ui-scale')
         self.assertEqual(win.theme, 'light', 'theme changed without --theme')
         self.assertEqual(win.metadata_selector.file, self.default_file,
                          'file was not set to default')
@@ -117,6 +119,30 @@ def test_show_datetime(self):
         self.assertTrue(win.show_datetime,
                         'datetime not displayed with --show-datetime')
 
+    def test_ui_scale(self):
+        """Test that --ui-scale changes the ui_scale"""
+        app = mkQApp()
+
+        argv = ['neurotic', '--ui-scale', 'tiny']
+        args = neurotic.parse_args(argv)
+        win = neurotic.win_from_args(args)
+        self.assertEqual(win.ui_scale, 'tiny', 'unexpected scale')
+
+        argv = ['neurotic', '--ui-scale', 'small']
+        args = neurotic.parse_args(argv)
+        win = neurotic.win_from_args(args)
+        self.assertEqual(win.ui_scale, 'small', 'unexpected scale')
+
+        argv = ['neurotic', '--ui-scale', 'large']
+        args = neurotic.parse_args(argv)
+        win = neurotic.win_from_args(args)
+        self.assertEqual(win.ui_scale, 'large', 'unexpected scale')
+
+        argv = ['neurotic', '--ui-scale', 'huge']
+        args = neurotic.parse_args(argv)
+        win = neurotic.win_from_args(args)
+        self.assertEqual(win.ui_scale, 'huge', 'unexpected scale')
+
     def test_theme(self):
         """Test that --theme changes the theme"""
         app = mkQApp()