Added swap-light-and-dark-colors option (requires latest prompt_toolkit master).

Author: jonathanslenders

pymux/main.py

@@ -14,6 +14,7 @@
 from prompt_toolkit.layout.layout import Layout
 from prompt_toolkit.layout.screen import Size
 from prompt_toolkit.output.defaults import create_output
+from prompt_toolkit.styles import ConditionalStyleTransformation, SwapLightAndDarkStyleTransformation
 
 from .arrangement import Arrangement, Pane, Window
 from .commands.commands import handle_command, call_command_handler
@@ -152,6 +153,10 @@ def on_focus_changed():
             mouse_support=Condition(lambda: pymux.enable_mouse_support),
             full_screen=True,
             style=self.pymux.style,
+            style_transformation=ConditionalStyleTransformation(
+                SwapLightAndDarkStyleTransformation(),
+                Condition(lambda: self.pymux.swap_dark_and_light),
+            ),
             on_invalidate=(lambda _: pymux.invalidate()))
 
         # Synchronize the Vi state with the CLI object.
@@ -260,6 +265,7 @@ def __init__(self, source_file=None, startup_command=None):
         self.session_name = '0'
         self.status_justify = Justify.LEFT
         self.default_shell = get_default_shell()
+        self.swap_dark_and_light = False
 
         self.options = ALL_OPTIONS
         self.window_options = ALL_WINDOW_OPTIONS

pymux/options.py

@@ -193,6 +193,9 @@ def set_value(self, pymux, value):
     'status-justify': JustifyOption('status_justify'),
     'status-interval': PositiveIntOption(
         'status_interval', [1, 2, 4, 8, 16, 30, 60]),
+
+    # Prompt-toolkit/pymux specific.
+    'swap-light-and-dark-colors': OnOffOption('swap_dark_and_light'),
 }