From a54b68114940d070e309c0b6c0e0691fec4c4cb3 Mon Sep 17 00:00:00 2001
From: huttongrabiel <huttonthomas@icloud.com>
Date: Wed, 18 May 2022 12:09:55 -0700
Subject: [PATCH] LibGUI: Allow to lowercase conversion in Vim emulation

If Key_U is pressed while in visual mode, the currently selected text
will be converted to lowercase.
---
 Userland/Libraries/LibGUI/VimEditingEngine.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Userland/Libraries/LibGUI/VimEditingEngine.cpp b/Userland/Libraries/LibGUI/VimEditingEngine.cpp
index 10748c7e4b..c4373afdb5 100644
--- a/Userland/Libraries/LibGUI/VimEditingEngine.cpp
+++ b/Userland/Libraries/LibGUI/VimEditingEngine.cpp
@@ -1195,6 +1195,10 @@ bool VimEditingEngine::on_key_in_visual_mode(KeyEvent const& event)
             yank(Selection);
             switch_to_normal_mode();
             return true;
+        case (KeyCode::Key_U):
+            casefold_selection(Casing::Lowercase);
+            switch_to_normal_mode();
+            return true;
         case (KeyCode::Key_PageUp):
             move_page_up();
             update_selection_on_cursor_move();