Adding upstream version 3.0.43.upstream/3.0.43

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/examples/prompts/switch-between-vi-emacs.py b/examples/prompts/switch-between-vi-emacs.py
new file mode 100755
index 0000000..249c7ef
--- /dev/null
+++ b/examples/prompts/switch-between-vi-emacs.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+"""
+Example that displays how to switch between Emacs and Vi input mode.
+
+"""
+from prompt_toolkit import prompt
+from prompt_toolkit.application.current import get_app
+from prompt_toolkit.enums import EditingMode
+from prompt_toolkit.key_binding import KeyBindings
+
+
+def run():
+    # Create a `KeyBindings` that contains the default key bindings.
+    bindings = KeyBindings()
+
+    # Add an additional key binding for toggling this flag.
+    @bindings.add("f4")
+    def _(event):
+        "Toggle between Emacs and Vi mode."
+        if event.app.editing_mode == EditingMode.VI:
+            event.app.editing_mode = EditingMode.EMACS
+        else:
+            event.app.editing_mode = EditingMode.VI
+
+    def bottom_toolbar():
+        "Display the current input mode."
+        if get_app().editing_mode == EditingMode.VI:
+            return " [F4] Vi "
+        else:
+            return " [F4] Emacs "
+
+    prompt("> ", key_bindings=bindings, bottom_toolbar=bottom_toolbar)
+
+
+if __name__ == "__main__":
+    run()