1 files changed, 51 insertions, 0 deletions
diff --git a/src/prompt_toolkit/key_binding/bindings/open_in_editor.py b/src/prompt_toolkit/key_binding/bindings/open_in_editor.py
new file mode 100644
index 0000000..d156424
--- /dev/null
+++ b/src/prompt_toolkit/key_binding/bindings/open_in_editor.py
@@ -0,0 +1,51 @@
+"""
+Open in editor key bindings.
+"""
+from __future__ import annotations
+
+from prompt_toolkit.filters import emacs_mode, has_selection, vi_navigation_mode
+
+from ..key_bindings import KeyBindings, KeyBindingsBase, merge_key_bindings
+from .named_commands import get_by_name
+
+__all__ = [
+    "load_open_in_editor_bindings",
+    "load_emacs_open_in_editor_bindings",
+    "load_vi_open_in_editor_bindings",
+]
+
+
+def load_open_in_editor_bindings() -> KeyBindingsBase:
+    """
+    Load both the Vi and emacs key bindings for handling edit-and-execute-command.
+    """
+    return merge_key_bindings(
+        [
+            load_emacs_open_in_editor_bindings(),
+            load_vi_open_in_editor_bindings(),
+        ]
+    )
+
+
+def load_emacs_open_in_editor_bindings() -> KeyBindings:
+    """
+    Pressing C-X C-E will open the buffer in an external editor.
+    """
+    key_bindings = KeyBindings()
+
+    key_bindings.add("c-x", "c-e", filter=emacs_mode & ~has_selection)(
+        get_by_name("edit-and-execute-command")
+    )
+
+    return key_bindings
+
+
+def load_vi_open_in_editor_bindings() -> KeyBindings:
+    """
+    Pressing 'v' in navigation mode will open the buffer in an external editor.
+    """
+    key_bindings = KeyBindings()
+    key_bindings.add("v", filter=vi_navigation_mode)(
+        get_by_name("edit-and-execute-command")
+    )
+    return key_bindings