trilium/apps/client/src/widgets/launch_bar/launch_bar_widgets.tsx

import FNote from "../../entities/fnote";
import { escapeHtml } from "../../services/utils";
import ActionButton, { ActionButtonProps } from "../react/ActionButton";
import Dropdown, { DropdownProps } from "../react/Dropdown";
import { useNoteLabel, useNoteProperty } from "../react/hooks";
import Icon from "../react/Icon";

export interface LaunchBarWidgetProps {
    isHorizontalLayout: boolean;
}

export function LaunchBarActionButton(props: Omit<ActionButtonProps, "className" | "noIconActionClass" | "titlePosition">) {
    return (
        <ActionButton
            className="button-widget launcher-button"
            noIconActionClass
            titlePosition="right"
            {...props}
        />
    )
}

export function LaunchBarDropdownButton({ children, icon, ...props }: Pick<DropdownProps, "title" | "children" | "onShown" | "dropdownOptions" | "dropdownRef"> & { icon: string }) {
    return (
        <Dropdown
            className="right-dropdown-widget"
            buttonClassName="right-dropdown-button launcher-button"
            hideToggleArrow
            text={<Icon icon={icon} />}
            {...props}
        >{children}</Dropdown>
    )
}

export function useLauncherIconAndTitle(note: FNote) {
    const title = useNoteProperty(note, "title");

    // React to changes.
    useNoteLabel(note, "iconClass");
    useNoteLabel(note, "workspaceIconClass");

    return {
        icon: note.getIcon(),
        title: escapeHtml(title ?? "")
    };
}