Add ^C binding to cancel search and leave Vi mode

Fixes #4089.

CHANGELOG.md

@@ -17,6 +17,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Secondary device attributes escape (`CSI > 0 c`)
 - Support for colon separated SGR 38/48
+- New Ctrl+C binding to cancel search and leave vi mode
 
 ### Changed
 

alacritty.yml

@@ -637,6 +637,7 @@
   #- { key: Escape,                      mode: Vi, action: ClearSelection          }
   #- { key: I,                           mode: Vi, action: ScrollToBottom          }
   #- { key: I,                           mode: Vi, action: ToggleViMode            }
+  #- { key: C,      mods: Control,       mode: Vi, action: ToggleViMode            }
   #- { key: Y,      mods: Control,       mode: Vi, action: ScrollLineUp            }
   #- { key: E,      mods: Control,       mode: Vi, action: ScrollLineDown          }
   #- { key: G,                           mode: Vi, action: ScrollToTop             }

alacritty/src/config/bindings.rs

@@ -368,6 +368,7 @@ pub fn default_key_bindings() -> Vec<KeyBinding> {
         Escape,                        +TermMode::VI; Action::ClearSelection;
         I,                             +TermMode::VI; Action::ScrollToBottom;
         I,                             +TermMode::VI; Action::ToggleViMode;
+        C,      ModifiersState::CTRL,  +TermMode::VI; Action::ToggleViMode;
         Y,      ModifiersState::CTRL,  +TermMode::VI; Action::ScrollLineUp;
         E,      ModifiersState::CTRL,  +TermMode::VI; Action::ScrollLineDown;
         G,                             +TermMode::VI; Action::ScrollToTop;

alacritty/src/input.rs

@@ -832,7 +832,8 @@ impl<'a, T: EventListener, A: ActionContext<T>> Processor<'a, T, A> {
 
                         *self.ctx.suppress_chars() = true;
                     },
-                    (Some(VirtualKeyCode::Escape), _) => {
+                    (Some(VirtualKeyCode::Escape), _)
+                    | (Some(VirtualKeyCode::C), ModifiersState::CTRL) => {
                         self.ctx.cancel_search();
                         *self.ctx.suppress_chars() = true;
                     },