terminal-microsoft-1/src/cascadia/TerminalSettingsEditor/MainPage.idl

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.

import "Extensions.idl";
import "ActionsViewModel.idl";

namespace Microsoft.Terminal.Settings.Editor
{
    // Due to a XAML Compiler bug, it is hard for us to propagate an HWND into a XAML-using runtimeclass.
    // To work around that, we'll only propagate the HWND (when we need to) into the settings' toplevel page
    // and use IHostedInWindow to hide the implementation detail where we use IInitializeWithWindow (shobjidl_core)
    // https://github.com/microsoft/microsoft-ui-xaml/issues/3331
    interface IHostedInWindow
    {
        Boolean TryPropagateHostingWindow(IInspectable i);
        UInt64 GetHostingWindow();
    }

    interface IInheritableViewModel
    {
        Boolean HasSetting(String name);
        void ClearSetting(String name);
        Object SettingOverrideSource(String name);
    }

    // This is used to pass data between pages during navigation.
    runtimeclass NavigateToPageArgs
    {
        IHostedInWindow WindowRoot { get; };
        IInspectable ViewModel { get; };
        String ElementToFocus { get; };
    }

    enum BreadcrumbSubPage
    {
        None = 0,
        Profile_Appearance,
        Profile_UnfocusedAppearance,
        Profile_Terminal,
        Profile_Advanced,
        ColorSchemes_Edit,
        Actions_Edit,
        NewTabMenu_Folder,
        Extensions_Extension
    };

    runtimeclass Breadcrumb : Windows.Foundation.IStringable
    {
        IInspectable Tag;
        String Label;
        BreadcrumbSubPage SubPage;
    }

    [default_interface] runtimeclass MainPage : Windows.UI.Xaml.Controls.Page, IHostedInWindow
    {
        MainPage(Microsoft.Terminal.Settings.Model.CascadiaSettings settings);

        void UpdateSettings(Microsoft.Terminal.Settings.Model.CascadiaSettings settings);
        event Windows.Foundation.TypedEventHandler<Object, Microsoft.Terminal.Settings.Model.SettingsTarget> OpenJson;
        event Windows.Foundation.TypedEventHandler<Object, Windows.Foundation.Collections.IVectorView<Microsoft.Terminal.Settings.Model.SettingsLoadWarnings> > ShowLoadWarningsDialog;

        // Due to the aforementioned bug, we can't use IInitializeWithWindow _here_ either.
        // Let's just smuggle the HWND in as a UInt64 :|
        void SetHostingWindow(UInt64 window);

        Windows.Foundation.Collections.IObservableVector<IInspectable> Breadcrumbs { get; };
        ExtensionsViewModel ExtensionsVM { get; };
        ActionsViewModel ActionsVM { get; };

        Windows.UI.Xaml.Media.Brush BackgroundBrush { get; };
    }
}