Add "Shift+Space", "Backquote", and "None" to a `Select a suggestion …

…key` option (#128)

src/option/SelectSuggestionKey.ts

@@ -6,7 +6,10 @@ type Name =
   | "Ctrl/Cmd+Enter"
   | "Alt+Enter"
   | "Shift+Enter"
-  | "Space";
+  | "Space"
+  | "Shift+Space"
+  | "Backquote"
+  | "None";
 interface KeyBind {
   modifiers: Modifier[];
   key: string | null;
@@ -39,6 +42,18 @@ export class SelectSuggestionKey {
     modifiers: [],
     key: " ",
   });
+  static readonly SHIFT_SPACE = new SelectSuggestionKey("Shift+Space", {
+    modifiers: ["Shift"],
+    key: " ",
+  });
+  static readonly BACKQUOTE = new SelectSuggestionKey("Backquote", {
+    modifiers: [],
+    key: "`",
+  });
+  static readonly None = new SelectSuggestionKey("None", {
+    modifiers: [],
+    key: "",
+  });
 
   private constructor(readonly name: Name, readonly keyBind: KeyBind) {
     SelectSuggestionKey._values.push(this);

src/ui/AutoCompleteSuggest.ts

@@ -429,16 +429,18 @@ export class AutoCompleteSuggest
         )
       );
     }
-    this.keymapEventHandler.push(
-      this.scope.register(
-        selectSuggestionKey.keyBind.modifiers,
-        selectSuggestionKey.keyBind.key,
-        () => {
-          this.suggestions.useSelectedItem({});
-          return false;
-        }
-      )
-    );
+    if (selectSuggestionKey !== SelectSuggestionKey.None) {
+      this.keymapEventHandler.push(
+        this.scope.register(
+          selectSuggestionKey.keyBind.modifiers,
+          selectSuggestionKey.keyBind.key,
+          () => {
+            this.suggestions.useSelectedItem({});
+            return false;
+          }
+        )
+      );
+    }
 
     this.scope.keys.find((x) => x.key === "Escape")!.func = () => {
       this.close();