Function runPortalFileDialog

source/MRViewer/MRFileDialogPortal.cpp:439–531

}

std::vector<std::filesystem::path> runPortalFileDialog( const MR::FileDialog::Parameters& params )
{
    auto* conn = getConnection();
    if ( !conn )
        return {};

    // https://flatpak.github.io/xdg-desktop-portal/docs/doc-org.freedesktop.portal.FileChooser.html
    auto* callMsg = dbus_message_new_method_call( cPortalServiceName, cPortalObjectPath, cFileChooserInterface, params.saveDialog ? "SaveFile" : "OpenFile" );

    const auto parentWindowId = getWindowId( getViewerInstance().window );

    const auto* title = params.multiselect ? "Open Files" : "Open File";
    if ( params.folderDialog )
        title = params.multiselect ? "Open Folders" : "Open Folder";
    else if ( params.saveDialog )
        title = params.multiselect ? "Save Files" : "Save File";

    FileChooserOptions options;
    options.handleToken = "MeshLibFileDialogPortal"; // randomize token?
    options.currentFolder = params.baseFolder;
    for ( const auto& filter : params.filters )
    {
        options.filters.push_back( {
            .name = filter.name,
            .globs = split( filter.extensions, ";" ),
        } );
    }
    if ( !params.saveDialog )
    {
        options.multiple = params.multiselect;
        options.directory = params.folderDialog;
    }
    else
    {
        options.currentName = params.fileName;
    }

    initArgs( callMsg, parentWindowId.c_str(), title, options );

    DBusError err;
    dbus_error_init( &err );
    MR_FINALLY { dbus_error_free( &err ); };

    dbus_connection_send_with_reply_and_block( conn, callMsg, DBUS_TIMEOUT_INFINITE, &err );
    dbus_connection_flush( conn );
    dbus_message_unref( callMsg );
    if ( dbus_error_is_set( &err ) )
    {
        spdlog::warn( "Failed to send DBus message: {}", err.message );
        return {};
    }

    auto resp = waitForResponse( conn );
    if ( !resp )
        return {};
    if ( resp->code != Response::Succeeded )
        return {};