Remove cancelEvent/cancel function

demo/client/components/window/optionsWindow.ts

@@ -109,7 +109,6 @@ export class OptionsWindow extends BaseWindow implements IControlWindow {
 
   public initOptions(addDomListener: (el: HTMLElement, type: string, handler: (...args: any[]) => any) => void): void {
     const blacklistedOptions = [
-      'cancelEvents',
       'convertEol',
       'termName',
       'cols', 'rows',

src/browser/CoreBrowserTerminal.ts

@@ -763,11 +763,12 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
             this._document!.removeEventListener('mousemove', requestedEvents.mousedrag);
           }
         }
-        return this.cancel(ev);
       },
       wheel: (ev: WheelEvent) => {
         sendEvent(ev);
-        return this.cancel(ev, true);
+        ev.preventDefault();
+        ev.stopPropagation();
+        return false;
       },
       mousedrag: (ev: MouseEvent) => {
         // deal only with move while a button is held
@@ -867,8 +868,6 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
       if (requestedEvents.mousedrag) {
         this._document!.addEventListener('mousemove', requestedEvents.mousedrag);
       }
-
-      return this.cancel(ev);
     }));
 
     this._register(addDisposableListener(el, 'wheel', (ev: WheelEvent) => {
@@ -899,13 +898,17 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
           self._coreBrowserService?.dpr
         );
         if (lines === 0) {
-          return this.cancel(ev, true);
+          ev.preventDefault();
+          ev.stopPropagation();
+          return false;
         }
 
         // Construct and send sequences
         const sequence = C0.ESC + (this.coreService.decPrivateModes.applicationCursorKeys ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');
         this.coreService.triggerDataEvent(sequence, true);
-        return this.cancel(ev, true);
+        ev.preventDefault();
+        ev.stopPropagation();
+        return false;
       }
     }, { passive: false }));
   }
@@ -1115,7 +1118,9 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
     if (result.type === KeyboardResultType.PAGE_DOWN || result.type === KeyboardResultType.PAGE_UP) {
       const scrollCount = this.rows - 1;
       this.scrollLines(result.type === KeyboardResultType.PAGE_UP ? -scrollCount : scrollCount);
-      return this.cancel(event, true);
+      event.preventDefault();
+      event.stopPropagation();
+      return false;
     }
 
     if (result.type === KeyboardResultType.SELECT_ALL) {
@@ -1128,7 +1133,8 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
 
     if (result.cancel) {
       // The event is canceled at the end already, is this necessary?
-      this.cancel(event, true);
+      event.preventDefault();
+      event.stopPropagation();
     }
 
     if (!result.key) {
@@ -1165,7 +1171,9 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
     // is also depressed) so that the cursor textarea can be updated, which triggers the screen
     // reader to read it.
     if (!this.optionsService.rawOptions.screenReaderMode || event.altKey || event.ctrlKey) {
-      return this.cancel(event, true);
+      event.preventDefault();
+      event.stopPropagation();
+      return false;
     }
 
     this._keyDownHandled = true;
@@ -1225,8 +1233,6 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
       return false;
     }
 
-    this.cancel(ev);
-
     if (ev.charCode) {
       key = ev.charCode;
     } else if (ev.which === null || ev.which === undefined) {
@@ -1279,8 +1285,6 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
 
       const text = ev.data;
       this.coreService.triggerDataEvent(text, true);
-
-      this.cancel(ev);
       return true;
     }
 
@@ -1392,15 +1396,6 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
     }
   }
 
-  // TODO: Remove cancel function and cancelEvents option
-  public cancel(ev: MouseEvent | WheelEvent | KeyboardEvent | InputEvent, force?: boolean): boolean | undefined {
-    if (!this.options.cancelEvents && !force) {
-      return;
-    }
-    ev.preventDefault();
-    ev.stopPropagation();
-    return false;
-  }
 }
 
 /**

src/browser/TestUtils.test.ts

@@ -198,9 +198,6 @@ export class MockTerminal implements ITerminal {
   public scrollToRow(absoluteRow: number): number {
     throw new Error('Method not implemented.');
   }
-  public cancel(ev: MouseEvent | WheelEvent | KeyboardEvent | InputEvent, force?: boolean): void {
-    throw new Error('Method not implemented.');
-  }
   public log(text: string): void {
     throw new Error('Method not implemented.');
   }

src/browser/Types.ts

@@ -29,8 +29,6 @@ export interface ITerminal extends InternalPassthroughApis, ICoreTerminal {
   onA11yChar: IEvent<string>;
   onA11yTab: IEvent<number>;
   onWillOpen: IEvent<HTMLElement>;
-
-  cancel(ev: MouseEvent | WheelEvent | KeyboardEvent | InputEvent, force?: boolean): boolean | void;
 }
 
 export type CustomKeyEventHandler = (event: KeyboardEvent) => boolean;

src/common/Types.ts

@@ -32,7 +32,6 @@ export interface IDisposable {
 // TODO: The options that are not in the public API should be reviewed
 export interface ITerminalOptions extends IPublicTerminalOptions {
   [key: string]: any;
-  cancelEvents?: boolean;
   convertEol?: boolean;
   termName?: string;
 }

src/common/services/OptionsService.ts

@@ -53,7 +53,6 @@ export const DEFAULT_OPTIONS: Readonly<Required<ITerminalOptions>> = {
   altClickMovesCursor: true,
   convertEol: false,
   termName: 'xterm',
-  cancelEvents: false,
   overviewRuler: {},
   quirks: {},
   vtExtensions: {}

src/common/services/Services.ts

@@ -270,7 +270,6 @@ export interface ITerminalOptions {
   vtExtensions?: IVtExtensions;
 
   [key: string]: any;
-  cancelEvents: boolean;
   termName: string;
 }