editor: add event handler for OnSelection

The OnSelection event will be triggered when user select one or more
lines.

1 files changed, 3 insertions, 2 deletions

diff --git a/editor/editor.d.ts b/editor/editor.d.ts
index 5bcdf0e..dba9e3a 100644
--- a/editor/editor.d.ts
+++ b/editor/editor.d.ts
@@ -4,8 +4,9 @@ export interface IEditor {
     is_editable: boolean;
     OpenFile(path: string): Response;
     SaveFile(node: IVfsNode): Response;
+    OnSelection(begin: number, end: number): void;
 }
-export declare class Editor implements IEditor {
+export declare class Editor {
     opts: IEditor;
     id: string;
     is_editable: boolean;
@@ -21,7 +22,7 @@ export declare class Editor implements IEditor {
     private isKeyControl;
     private unre;
     constructor(opts: IEditor);
-    OpenFile(path: string): Response;
+    OpenFile(path: string): Promise<Response>;
     SaveFile(node: IVfsNode): Response;
     clearSelection(): void;
     initStyle(): void;