third_party/perfetto/ui/src/frontend/widgets/text_input.ts

// Copyright (C) 2023 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import m from 'mithril';
import {classNames} from '../classnames';

export interface TextInputAttrs {
  [htmlAttrs: string]: any;
  extraClasses?: string|string[];
}

// For now, this component is just a simple wrapper around a plain old input
// element, which does no more than specify a class. However, in the future we
// might want to add more features such as an optional icon or button (e.g. a
// clear button), at which point the benefit of having this as a component would
// become more apparent.
export class TextInput implements m.ClassComponent<TextInputAttrs> {
  view({attrs}: m.CVnode<TextInputAttrs>) {
    const {extraClasses = '', ...htmlAttrs} = attrs;
    const classes = classNames(extraClasses);
    return m('input.pf-text-input', {
      class: classes,
      // Stop keydown events from triggering hotkeys
      onkeydown: (e: Event) => e.stopPropagation(),
      ...htmlAttrs,
    });
  }
}