content: // Generated by dart-wayland-scanner
  // https://github.com/your-repo/dart-wayland-scanner
  // XML file : https://gitlab.freedesktop.org/wayland/wayland-protocols/-/raw/main/unstable/xdg-shell/xdg-shell-unstable-v5.xml
  //
  // xdg_shell_unstable_v5 Protocol Copyright: 
  /// 
  /// Copyright © 2008-2013 Kristian Høgsberg
  /// Copyright © 2013      Rafael Antognolli
  /// Copyright © 2013      Jasper St. Pierre
  /// Copyright © 2010-2013 Intel Corporation
  /// 
  /// Permission is hereby granted, free of charge, to any person obtaining a
  /// copy of this software and associated documentation files (the "Software"),
  /// to deal in the Software without restriction, including without limitation
  /// the rights to use, copy, modify, merge, publish, distribute, sublicense,
  /// and/or sell copies of the Software, and to permit persons to whom the
  /// Software is furnished to do so, subject to the following conditions:
  /// 
  /// The above copyright notice and this permission notice (including the next
  /// paragraph) shall be included in all copies or substantial portions of the
  /// Software.
  /// 
  /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  /// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  /// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  /// DEALINGS IN THE SOFTWARE.
  /// 
  
  library client;
  
  import 'package:wayland/wayland.dart';
  import 'package:wayland/protocols/wayland.dart';
  import 'dart:async';
  import 'dart:convert';
  import 'dart:typed_data';
  import 'package:result_dart/result_dart.dart';
  
  /// check if the client is alive
  /// 
  /// The ping event asks the client if it's still alive. Pass the
  /// serial specified in the event back to the compositor by sending
  /// a "pong" request back with the specified serial.
  /// 
  /// Compositors can use this to determine if the client is still
  /// alive. It's unspecified what will happen if the client doesn't
  /// respond to the ping request, or in what timeframe. Clients should
  /// try to respond in a reasonable amount of time.
  /// 
  /// A compositor is free to ping in any way it wants, but a client must
  /// always respond to any xdg_shell object it created.
  /// 
  class XdgShellPingEvent {
  /// pass this to the pong request
    final int serial;
  
    XdgShellPingEvent(
  this.serial,
  
  );
  
  @override
  toString(){
  return "XdgShellPingEvent (serial: $serial)";
  }
  }
  
  typedef XdgShellPingEventHandler = void Function(XdgShellPingEvent);
  
  
  /// create desktop-style surfaces
  /// 
  /// xdg_shell allows clients to turn a wl_surface into a "real window"
  /// which can be dragged, resized, stacked, and moved around by the
  /// user. Everything about this interface is suited towards traditional
  /// desktop environments.
  /// 
  class XdgShell extends Proxy implements Dispatcher{
    final Context innerContext;
    final version = 1;
  
    XdgShell(this.innerContext) : super(innerContext.allocateClientId()){
      innerContext.register(this);
    }
  
  
  @override
  toString(){
  return "XdgShell {name: 'xdg_shell', id: '$objectId', version: '1',}";
  }
  
  /// destroy xdg_shell
  /// 
  /// Destroy this xdg_shell object.
  /// 
  /// Destroying a bound xdg_shell object while there are surfaces
  /// still alive created by this xdg_shell object instance is illegal
  /// and will result in a protocol error.
  /// 
    Result<void,Object> destroy() {
  innerContext.unRegister(this);
      logLn("XdgShell::destroy ");
  var arguments = [];var argTypes = <WaylandType>[];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 0]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgShell::destroy: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// enable use of this unstable version
  /// 
  /// Negotiate the unstable version of the interface.  This
  /// mechanism is in place to ensure client and server agree on the
  /// unstable versions of the protocol that they speak or exit
  /// cleanly if they don't agree.  This request will go away once
  /// the xdg-shell protocol is stable.
  /// 
  /// [version]:
    Result<void,Object> useUnstableVersion(int version) {
      logLn("XdgShell::useUnstableVersion  version: $version");
  var arguments = [version];var argTypes = <WaylandType>[WaylandType.int];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 1]).buffer.asUint8List());
      bytesBuilder.add(Int32List.fromList([version]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgShell::useUnstableVersion: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// create a shell surface from a surface
  /// 
  /// This creates an xdg_surface for the given surface and gives it the
  /// xdg_surface role. A wl_surface can only be given an xdg_surface role
  /// once. If get_xdg_surface is called with a wl_surface that already has
  /// an active xdg_surface associated with it, or if it had any other role,
  /// an error is raised.
  /// 
  /// See the documentation of xdg_surface for more details about what an
  /// xdg_surface is and how it is used.
  /// 
  /// [id]:
  /// [surface]:
    Result<XdgSurface,Object> getXdgSurface(Surface surface) {
    var id =  XdgSurface(innerContext);
      logLn("XdgShell::getXdgSurface  id: $id surface: $surface");
  var arguments = [id, surface];var argTypes = <WaylandType>[WaylandType.newId, WaylandType.object];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 2]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([id.objectId]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([surface.objectId]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgShell::getXdgSurface: $e");
     return Failure(e);
      }
      return Success(id);
    }
  
  /// create a popup for a surface
  /// 
  /// This creates an xdg_popup for the given surface and gives it the
  /// xdg_popup role. A wl_surface can only be given an xdg_popup role
  /// once. If get_xdg_popup is called with a wl_surface that already has
  /// an active xdg_popup associated with it, or if it had any other role,
  /// an error is raised.
  /// 
  /// This request must be used in response to some sort of user action
  /// like a button press, key press, or touch down event.
  /// 
  /// See the documentation of xdg_popup for more details about what an
  /// xdg_popup is and how it is used.
  /// 
  /// [id]:
  /// [surface]:
  /// [parent]:
  /// [seat]: the wl_seat of the user event
  /// [serial]: the serial of the user event
  /// [x]:
  /// [y]:
    Result<XdgPopup,Object> getXdgPopup(Surface surface, Surface parent, Seat seat, int serial, int x, int y) {
    var id =  XdgPopup(innerContext);
      logLn("XdgShell::getXdgPopup  id: $id surface: $surface parent: $parent seat: $seat serial: $serial x: $x y: $y");
  var arguments = [id, surface, parent, seat, serial, x, y];var argTypes = <WaylandType>[WaylandType.newId, WaylandType.object, WaylandType.object, WaylandType.object, WaylandType.uint, WaylandType.int, WaylandType.int];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 3]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([id.objectId]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([surface.objectId]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([parent.objectId]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([seat.objectId]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([serial]).buffer.asUint8List());
      bytesBuilder.add(Int32List.fromList([x]).buffer.asUint8List());
      bytesBuilder.add(Int32List.fromList([y]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgShell::getXdgPopup: $e");
     return Failure(e);
      }
      return Success(id);
    }
  
  /// respond to a ping event
  /// 
  /// A client must respond to a ping event with a pong request or
  /// the client may be deemed unresponsive.
  /// 
  /// [serial]: serial of the ping event
    Result<void,Object> pong(int serial) {
      logLn("XdgShell::pong  serial: $serial");
  var arguments = [serial];var argTypes = <WaylandType>[WaylandType.uint];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 4]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([serial]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgShell::pong: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// check if the client is alive
  /// 
  /// The ping event asks the client if it's still alive. Pass the
  /// serial specified in the event back to the compositor by sending
  /// a "pong" request back with the specified serial.
  /// 
  /// Compositors can use this to determine if the client is still
  /// alive. It's unspecified what will happen if the client doesn't
  /// respond to the ping request, or in what timeframe. Clients should
  /// try to respond in a reasonable amount of time.
  /// 
  /// A compositor is free to ping in any way it wants, but a client must
  /// always respond to any xdg_shell object it created.
  /// 
  /// Event handler for Ping
  /// - [serial]: pass this to the pong request
   void onPing(XdgShellPingEventHandler handler) {
     _pingHandler = handler;
   }
  
   XdgShellPingEventHandler? _pingHandler;
  
   @override
   void dispatch(int opcode, int fd, Uint8List data) {
  logLn("XdgShell.dispatch($opcode, $fd, $data)");
     switch (opcode) {     case 0:
  
         if (_pingHandler != null) {
  var offset = 0;
  final serial = ByteData.view(data.buffer).getUint32(offset, Endian.little);
  offset += 4;
  var event = XdgShellPingEvent(
  serial,
          );
           _pingHandler!(event);
         }
         break;
     }
   }
  }
  
  /// latest protocol version
  /// 
  /// The 'current' member of this enum gives the version of the
  /// protocol.  Implementations can compare this to the version
  /// they implement using static_assert to ensure the protocol and
  /// implementation versions match.
  /// 
  
  enum XdgShellVersion {
  /// Always the latest version
    current("current", 5);
  const XdgShellVersion(this.enumName, this.enumValue);
  final int enumValue;
  final String enumName;
  @override
  toString(){
  return "XdgShellVersion {name: $enumName, value: $enumValue}";
  }
  }
  
  /// 
  /// 
  
  enum XdgShellError {
  /// given wl_surface has another role
    role("role", 0),/// xdg_shell was destroyed before children
    defunctSurfaces("defunct_surfaces", 1),/// the client tried to map or destroy a non-topmost popup
    notTheTopmostPopup("not_the_topmost_popup", 2),/// the client specified an invalid popup parent surface
    invalidPopupParent("invalid_popup_parent", 3);
  const XdgShellError(this.enumName, this.enumValue);
  final int enumValue;
  final String enumName;
  @override
  toString(){
  return "XdgShellError {name: $enumName, value: $enumValue}";
  }
  }
  
  
  /// suggest a surface change
  /// 
  /// The configure event asks the client to resize its surface or to
  /// change its state.
  /// 
  /// The width and height arguments specify a hint to the window
  /// about how its surface should be resized in window geometry
  /// coordinates. See set_window_geometry.
  /// 
  /// If the width or height arguments are zero, it means the client
  /// should decide its own window dimension. This may happen when the
  /// compositor need to configure the state of the surface but doesn't
  /// have any information about any previous or expected dimension.
  /// 
  /// The states listed in the event specify how the width/height
  /// arguments should be interpreted, and possibly how it should be
  /// drawn.
  /// 
  /// Clients should arrange their surface for the new size and
  /// states, and then send a ack_configure request with the serial
  /// sent in this configure event at some point before committing
  /// the new surface.
  /// 
  /// If the client receives multiple configure events before it
  /// can respond to one, it is free to discard all but the last
  /// event it received.
  /// 
  class XdgSurfaceConfigureEvent {
  /// 
    final int width;
  
  /// 
    final int height;
  
  /// 
    final List<int> states;
  
  /// 
    final int serial;
  
    XdgSurfaceConfigureEvent(
  this.width,
  
  this.height,
  
  this.states,
  
  this.serial,
  
  );
  
  @override
  toString(){
  return "XdgSurfaceConfigureEvent (width: $width, height: $height, states: $states, serial: $serial)";
  }
  }
  
  typedef XdgSurfaceConfigureEventHandler = void Function(XdgSurfaceConfigureEvent);
  
  /// surface wants to be closed
  /// 
  /// The close event is sent by the compositor when the user
  /// wants the surface to be closed. This should be equivalent to
  /// the user clicking the close button in client-side decorations,
  /// if your application has any...
  /// 
  /// This is only a request that the user intends to close your
  /// window. The client may choose to ignore this request, or show
  /// a dialog to ask the user to save their data...
  /// 
  class XdgSurfaceCloseEvent {
    XdgSurfaceCloseEvent(
  );
  
  @override
  toString(){
  return "XdgSurfaceCloseEvent ()";
  }
  }
  
  typedef XdgSurfaceCloseEventHandler = void Function(XdgSurfaceCloseEvent);
  
  
  /// A desktop window
  /// 
  /// An interface that may be implemented by a wl_surface, for
  /// implementations that provide a desktop-style user interface.
  /// 
  /// It provides requests to treat surfaces like windows, allowing to set
  /// properties like maximized, fullscreen, minimized, and to move and resize
  /// them, and associate metadata like title and app id.
  /// 
  /// The client must call wl_surface.commit on the corresponding wl_surface
  /// for the xdg_surface state to take effect. Prior to committing the new
  /// state, it can set up initial configuration, such as maximizing or setting
  /// a window geometry.
  /// 
  /// Even without attaching a buffer the compositor must respond to initial
  /// committed configuration, for instance sending a configure event with
  /// expected window geometry if the client maximized its surface during
  /// initialization.
  /// 
  /// For a surface to be mapped by the compositor the client must have
  /// committed both an xdg_surface state and a buffer.
  /// 
  class XdgSurface extends Proxy implements Dispatcher{
    final Context innerContext;
    final version = 1;
  
    XdgSurface(this.innerContext) : super(innerContext.allocateClientId()){
      innerContext.register(this);
    }
  
  
  @override
  toString(){
  return "XdgSurface {name: 'xdg_surface', id: '$objectId', version: '1',}";
  }
  
  /// Destroy the xdg_surface
  /// 
  /// Unmap and destroy the window. The window will be effectively
  /// hidden from the user's point of view, and all state like
  /// maximization, fullscreen, and so on, will be lost.
  /// 
    Result<void,Object> destroy() {
  innerContext.unRegister(this);
      logLn("XdgSurface::destroy ");
  var arguments = [];var argTypes = <WaylandType>[];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 0]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::destroy: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// set the parent of this surface
  /// 
  /// Set the "parent" of this surface. This window should be stacked
  /// above a parent. The parent surface must be mapped as long as this
  /// surface is mapped.
  /// 
  /// Parent windows should be set on dialogs, toolboxes, or other
  /// "auxiliary" surfaces, so that the parent is raised when the dialog
  /// is raised.
  /// 
  /// [parent]:
    Result<void,Object> setParent(XdgSurface parent) {
      logLn("XdgSurface::setParent  parent: $parent");
  var arguments = [parent];var argTypes = <WaylandType>[WaylandType.object];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 1]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([parent.objectId]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::setParent: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// set surface title
  /// 
  /// Set a short title for the surface.
  /// 
  /// This string may be used to identify the surface in a task bar,
  /// window list, or other user interface elements provided by the
  /// compositor.
  /// 
  /// The string must be encoded in UTF-8.
  /// 
  /// [title]:
    Result<void,Object> setTitle(String title) {
      logLn("XdgSurface::setTitle  title: $title");
  var arguments = [title];var argTypes = <WaylandType>[WaylandType.string];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 2]).buffer.asUint8List());
      final titleBytes = utf8.encode(title);
      bytesBuilder.add(Uint32List.fromList([titleBytes.length + 1]).buffer.asUint8List());
      bytesBuilder.add(titleBytes);
      bytesBuilder.add([0]); // Null terminator
      while (bytesBuilder.length % 4 != 0) { bytesBuilder.add([0]); } // Padding
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::setTitle: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// set application ID
  /// 
  /// Set an application identifier for the surface.
  /// 
  /// The app ID identifies the general class of applications to which
  /// the surface belongs. The compositor can use this to group multiple
  /// surfaces together, or to determine how to launch a new application.
  /// 
  /// For D-Bus activatable applications, the app ID is used as the D-Bus
  /// service name.
  /// 
  /// The compositor shell will try to group application surfaces together
  /// by their app ID.  As a best practice, it is suggested to select app
  /// ID's that match the basename of the application's .desktop file.
  /// For example, "org.freedesktop.FooViewer" where the .desktop file is
  /// "org.freedesktop.FooViewer.desktop".
  /// 
  /// See the desktop-entry specification [0] for more details on
  /// application identifiers and how they relate to well-known D-Bus
  /// names and .desktop files.
  /// 
  /// [0] http://standards.freedesktop.org/desktop-entry-spec/
  /// 
  /// [app_id]:
    Result<void,Object> setAppId(String appId) {
      logLn("XdgSurface::setAppId  appId: $appId");
  var arguments = [appId];var argTypes = <WaylandType>[WaylandType.string];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 3]).buffer.asUint8List());
      final appIdBytes = utf8.encode(appId);
      bytesBuilder.add(Uint32List.fromList([appIdBytes.length + 1]).buffer.asUint8List());
      bytesBuilder.add(appIdBytes);
      bytesBuilder.add([0]); // Null terminator
      while (bytesBuilder.length % 4 != 0) { bytesBuilder.add([0]); } // Padding
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::setAppId: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// show the window menu
  /// 
  /// Clients implementing client-side decorations might want to show
  /// a context menu when right-clicking on the decorations, giving the
  /// user a menu that they can use to maximize or minimize the window.
  /// 
  /// This request asks the compositor to pop up such a window menu at
  /// the given position, relative to the local surface coordinates of
  /// the parent surface. There are no guarantees as to what menu items
  /// the window menu contains.
  /// 
  /// This request must be used in response to some sort of user action
  /// like a button press, key press, or touch down event.
  /// 
  /// [seat]: the wl_seat of the user event
  /// [serial]: the serial of the user event
  /// [x]: the x position to pop up the window menu at
  /// [y]: the y position to pop up the window menu at
    Result<void,Object> showWindowMenu(Seat seat, int serial, int x, int y) {
      logLn("XdgSurface::showWindowMenu  seat: $seat serial: $serial x: $x y: $y");
  var arguments = [seat, serial, x, y];var argTypes = <WaylandType>[WaylandType.object, WaylandType.uint, WaylandType.int, WaylandType.int];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 4]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([seat.objectId]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([serial]).buffer.asUint8List());
      bytesBuilder.add(Int32List.fromList([x]).buffer.asUint8List());
      bytesBuilder.add(Int32List.fromList([y]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::showWindowMenu: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// start an interactive move
  /// 
  /// Start an interactive, user-driven move of the surface.
  /// 
  /// This request must be used in response to some sort of user action
  /// like a button press, key press, or touch down event. The passed
  /// serial is used to determine the type of interactive move (touch,
  /// pointer, etc).
  /// 
  /// The server may ignore move requests depending on the state of
  /// the surface (e.g. fullscreen or maximized), or if the passed serial
  /// is no longer valid.
  /// 
  /// If triggered, the surface will lose the focus of the device
  /// (wl_pointer, wl_touch, etc) used for the move. It is up to the
  /// compositor to visually indicate that the move is taking place, such as
  /// updating a pointer cursor, during the move. There is no guarantee
  /// that the device focus will return when the move is completed.
  /// 
  /// [seat]: the wl_seat of the user event
  /// [serial]: the serial of the user event
    Result<void,Object> move(Seat seat, int serial) {
      logLn("XdgSurface::move  seat: $seat serial: $serial");
  var arguments = [seat, serial];var argTypes = <WaylandType>[WaylandType.object, WaylandType.uint];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 5]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([seat.objectId]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([serial]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::move: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// start an interactive resize
  /// 
  /// Start a user-driven, interactive resize of the surface.
  /// 
  /// This request must be used in response to some sort of user action
  /// like a button press, key press, or touch down event. The passed
  /// serial is used to determine the type of interactive resize (touch,
  /// pointer, etc).
  /// 
  /// The server may ignore resize requests depending on the state of
  /// the surface (e.g. fullscreen or maximized).
  /// 
  /// If triggered, the client will receive configure events with the
  /// "resize" state enum value and the expected sizes. See the "resize"
  /// enum value for more details about what is required. The client
  /// must also acknowledge configure events using "ack_configure". After
  /// the resize is completed, the client will receive another "configure"
  /// event without the resize state.
  /// 
  /// If triggered, the surface also will lose the focus of the device
  /// (wl_pointer, wl_touch, etc) used for the resize. It is up to the
  /// compositor to visually indicate that the resize is taking place,
  /// such as updating a pointer cursor, during the resize. There is no
  /// guarantee that the device focus will return when the resize is
  /// completed.
  /// 
  /// The edges parameter specifies how the surface should be resized,
  /// and is one of the values of the resize_edge enum. The compositor
  /// may use this information to update the surface position for
  /// example when dragging the top left corner. The compositor may also
  /// use this information to adapt its behavior, e.g. choose an
  /// appropriate cursor image.
  /// 
  /// [seat]: the wl_seat of the user event
  /// [serial]: the serial of the user event
  /// [edges]: which edge or corner is being dragged
    Result<void,Object> resize(Seat seat, int serial, int edges) {
      logLn("XdgSurface::resize  seat: $seat serial: $serial edges: $edges");
  var arguments = [seat, serial, edges];var argTypes = <WaylandType>[WaylandType.object, WaylandType.uint, WaylandType.uint];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 6]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([seat.objectId]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([serial]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([edges]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::resize: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// ack a configure event
  /// 
  /// When a configure event is received, if a client commits the
  /// surface in response to the configure event, then the client
  /// must make an ack_configure request sometime before the commit
  /// request, passing along the serial of the configure event.
  /// 
  /// For instance, the compositor might use this information to move
  /// a surface to the top left only when the client has drawn itself
  /// for the maximized or fullscreen state.
  /// 
  /// If the client receives multiple configure events before it
  /// can respond to one, it only has to ack the last configure event.
  /// 
  /// A client is not required to commit immediately after sending
  /// an ack_configure request - it may even ack_configure several times
  /// before its next surface commit.
  /// 
  /// The compositor expects that the most recently received
  /// ack_configure request at the time of a commit indicates which
  /// configure event the client is responding to.
  /// 
  /// [serial]: the serial from the configure event
    Result<void,Object> ackConfigure(int serial) {
      logLn("XdgSurface::ackConfigure  serial: $serial");
  var arguments = [serial];var argTypes = <WaylandType>[WaylandType.uint];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 7]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([serial]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::ackConfigure: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// set the new window geometry
  /// 
  /// The window geometry of a window is its "visible bounds" from the
  /// user's perspective. Client-side decorations often have invisible
  /// portions like drop-shadows which should be ignored for the
  /// purposes of aligning, placing and constraining windows.
  /// 
  /// The window geometry is double-buffered state, see wl_surface.commit.
  /// 
  /// Once the window geometry of the surface is set once, it is not
  /// possible to unset it, and it will remain the same until
  /// set_window_geometry is called again, even if a new subsurface or
  /// buffer is attached.
  /// 
  /// If never set, the value is the full bounds of the surface,
  /// including any subsurfaces. This updates dynamically on every
  /// commit. This unset mode is meant for extremely simple clients.
  /// 
  /// If responding to a configure event, the window geometry in here
  /// must respect the sizing negotiations specified by the states in
  /// the configure event.
  /// 
  /// The arguments are given in the surface local coordinate space of
  /// the wl_surface associated with this xdg_surface.
  /// 
  /// The width and height must be greater than zero.
  /// 
  /// [x]:
  /// [y]:
  /// [width]:
  /// [height]:
    Result<void,Object> setWindowGeometry(int x, int y, int width, int height) {
      logLn("XdgSurface::setWindowGeometry  x: $x y: $y width: $width height: $height");
  var arguments = [x, y, width, height];var argTypes = <WaylandType>[WaylandType.int, WaylandType.int, WaylandType.int, WaylandType.int];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 8]).buffer.asUint8List());
      bytesBuilder.add(Int32List.fromList([x]).buffer.asUint8List());
      bytesBuilder.add(Int32List.fromList([y]).buffer.asUint8List());
      bytesBuilder.add(Int32List.fromList([width]).buffer.asUint8List());
      bytesBuilder.add(Int32List.fromList([height]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::setWindowGeometry: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// maximize the window
  /// 
  /// Maximize the surface.
  /// 
  /// After requesting that the surface should be maximized, the compositor
  /// will respond by emitting a configure event with the "maximized" state
  /// and the required window geometry. The client should then update its
  /// content, drawing it in a maximized state, i.e. without shadow or other
  /// decoration outside of the window geometry. The client must also
  /// acknowledge the configure when committing the new content (see
  /// ack_configure).
  /// 
  /// It is up to the compositor to decide how and where to maximize the
  /// surface, for example which output and what region of the screen should
  /// be used.
  /// 
  /// If the surface was already maximized, the compositor will still emit
  /// a configure event with the "maximized" state.
  /// 
  /// Note that unrelated compositor side state changes may cause
  /// configure events to be emitted at any time, meaning trying to
  /// match this request to a specific future configure event is
  /// futile.
  /// 
    Result<void,Object> setMaximized() {
      logLn("XdgSurface::setMaximized ");
  var arguments = [];var argTypes = <WaylandType>[];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 9]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::setMaximized: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// unmaximize the window
  /// 
  /// Unmaximize the surface.
  /// 
  /// After requesting that the surface should be unmaximized, the compositor
  /// will respond by emitting a configure event without the "maximized"
  /// state. If available, the compositor will include the window geometry
  /// dimensions the window had prior to being maximized in the configure
  /// request. The client must then update its content, drawing it in a
  /// regular state, i.e. potentially with shadow, etc. The client must also
  /// acknowledge the configure when committing the new content (see
  /// ack_configure).
  /// 
  /// It is up to the compositor to position the surface after it was
  /// unmaximized; usually the position the surface had before maximizing, if
  /// applicable.
  /// 
  /// If the surface was already not maximized, the compositor will still
  /// emit a configure event without the "maximized" state.
  /// 
  /// Note that unrelated compositor side state changes may cause
  /// configure events to be emitted at any time, meaning trying to
  /// match this request to a specific future configure event is
  /// futile.
  /// 
    Result<void,Object> unsetMaximized() {
      logLn("XdgSurface::unsetMaximized ");
  var arguments = [];var argTypes = <WaylandType>[];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 10]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::unsetMaximized: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// set the window as fullscreen on a monitor
  /// 
  /// Make the surface fullscreen.
  /// 
  /// You can specify an output that you would prefer to be fullscreen.
  /// If this value is NULL, it's up to the compositor to choose which
  /// display will be used to map this surface.
  /// 
  /// If the surface doesn't cover the whole output, the compositor will
  /// position the surface in the center of the output and compensate with
  /// black borders filling the rest of the output.
  /// 
  /// [output]:
    Result<void,Object> setFullscreen(Output output) {
      logLn("XdgSurface::setFullscreen  output: $output");
  var arguments = [output];var argTypes = <WaylandType>[WaylandType.object];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 11]).buffer.asUint8List());
      bytesBuilder.add(Uint32List.fromList([output.objectId]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::setFullscreen: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// 
  /// 
    Result<void,Object> unsetFullscreen() {
      logLn("XdgSurface::unsetFullscreen ");
  var arguments = [];var argTypes = <WaylandType>[];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 12]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::unsetFullscreen: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// set the window as minimized
  /// 
  /// Request that the compositor minimize your surface. There is no
  /// way to know if the surface is currently minimized, nor is there
  /// any way to unset minimization on this surface.
  /// 
  /// If you are looking to throttle redrawing when minimized, please
  /// instead use the wl_surface.frame event for this, as this will
  /// also work with live previews on windows in Alt-Tab, Expose or
  /// similar compositor features.
  /// 
    Result<void,Object> setMinimized() {
      logLn("XdgSurface::setMinimized ");
  var arguments = [];var argTypes = <WaylandType>[];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 13]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgSurface::setMinimized: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// suggest a surface change
  /// 
  /// The configure event asks the client to resize its surface or to
  /// change its state.
  /// 
  /// The width and height arguments specify a hint to the window
  /// about how its surface should be resized in window geometry
  /// coordinates. See set_window_geometry.
  /// 
  /// If the width or height arguments are zero, it means the client
  /// should decide its own window dimension. This may happen when the
  /// compositor need to configure the state of the surface but doesn't
  /// have any information about any previous or expected dimension.
  /// 
  /// The states listed in the event specify how the width/height
  /// arguments should be interpreted, and possibly how it should be
  /// drawn.
  /// 
  /// Clients should arrange their surface for the new size and
  /// states, and then send a ack_configure request with the serial
  /// sent in this configure event at some point before committing
  /// the new surface.
  /// 
  /// If the client receives multiple configure events before it
  /// can respond to one, it is free to discard all but the last
  /// event it received.
  /// 
  /// Event handler for Configure
  /// - [width]:
  /// - [height]:
  /// - [states]:
  /// - [serial]:
   void onConfigure(XdgSurfaceConfigureEventHandler handler) {
     _configureHandler = handler;
   }
  
   XdgSurfaceConfigureEventHandler? _configureHandler;
  
  /// surface wants to be closed
  /// 
  /// The close event is sent by the compositor when the user
  /// wants the surface to be closed. This should be equivalent to
  /// the user clicking the close button in client-side decorations,
  /// if your application has any...
  /// 
  /// This is only a request that the user intends to close your
  /// window. The client may choose to ignore this request, or show
  /// a dialog to ask the user to save their data...
  /// 
  /// Event handler for Close
   void onClose(XdgSurfaceCloseEventHandler handler) {
     _closeHandler = handler;
   }
  
   XdgSurfaceCloseEventHandler? _closeHandler;
  
   @override
   void dispatch(int opcode, int fd, Uint8List data) {
  logLn("XdgSurface.dispatch($opcode, $fd, $data)");
     switch (opcode) {     case 0:
  
         if (_configureHandler != null) {
  var offset = 0;
  final width = ByteData.view(data.buffer).getInt32(offset, Endian.little);
  offset += 4;
  final height = ByteData.view(data.buffer).getInt32(offset, Endian.little);
  offset += 4;
  final states = getArray(data, offset);
  var arrayLength = ByteData.view(data.buffer).getUint32(offset, Endian.little);
  offset += 4 + arrayLength;
  while (offset % 4 != 0) { offset++; } // Padding
  final serial = ByteData.view(data.buffer).getUint32(offset, Endian.little);
  offset += 4;
  var event = XdgSurfaceConfigureEvent(
  width,
  height,
  states,
  serial,
          );
           _configureHandler!(event);
         }
         break;
       case 1:
  
         if (_closeHandler != null) {
           _closeHandler!(XdgSurfaceCloseEvent());
         }
         break;
     }
   }
  }
  
  /// edge values for resizing
  /// 
  /// These values are used to indicate which edge of a surface
  /// is being dragged in a resize operation.
  /// 
  
  enum XdgSurfaceResizeEdge {
  /// 
    none("none", 0),/// 
    top("top", 1),/// 
    bottom("bottom", 2),/// 
    left("left", 4),/// 
    topLeft("top_left", 5),/// 
    bottomLeft("bottom_left", 6),/// 
    right("right", 8),/// 
    topRight("top_right", 9),/// 
    bottomRight("bottom_right", 10);
  const XdgSurfaceResizeEdge(this.enumName, this.enumValue);
  final int enumValue;
  final String enumName;
  @override
  toString(){
  return "XdgSurfaceResizeEdge {name: $enumName, value: $enumValue}";
  }
  }
  
  /// types of state on the surface
  /// 
  /// The different state values used on the surface. This is designed for
  /// state values like maximized, fullscreen. It is paired with the
  /// configure event to ensure that both the client and the compositor
  /// setting the state can be synchronized.
  /// 
  /// States set in this way are double-buffered, see wl_surface.commit.
  /// 
  /// Desktop environments may extend this enum by taking up a range of
  /// values and documenting the range they chose in this description.
  /// They are not required to document the values for the range that they
  /// chose. Ideally, any good extensions from a desktop environment should
  /// make its way into standardization into this enum.
  /// 
  /// The current reserved ranges are:
  /// 
  /// 0x0000 - 0x0FFF: xdg-shell core values, documented below.
  /// 0x1000 - 0x1FFF: GNOME
  /// 0x2000 - 0x2FFF: EFL
  /// 
  
  enum XdgSurfaceState {
  /// the surface is maximized
    maximized("maximized", 1),/// the surface is fullscreen
    fullscreen("fullscreen", 2),/// the surface is being resized
    resizing("resizing", 3),/// the surface is now activated
    activated("activated", 4);
  const XdgSurfaceState(this.enumName, this.enumValue);
  final int enumValue;
  final String enumName;
  @override
  toString(){
  return "XdgSurfaceState {name: $enumName, value: $enumValue}";
  }
  }
  
  
  /// popup interaction is done
  /// 
  /// The popup_done event is sent out when a popup is dismissed by the
  /// compositor. The client should destroy the xdg_popup object at this
  /// point.
  /// 
  class XdgPopupPopupDoneEvent {
    XdgPopupPopupDoneEvent(
  );
  
  @override
  toString(){
  return "XdgPopupPopupDoneEvent ()";
  }
  }
  
  typedef XdgPopupPopupDoneEventHandler = void Function(XdgPopupPopupDoneEvent);
  
  
  /// short-lived, popup surfaces for menus
  /// 
  /// A popup surface is a short-lived, temporary surface that can be
  /// used to implement menus. It takes an explicit grab on the surface
  /// that will be dismissed when the user dismisses the popup. This can
  /// be done by the user clicking outside the surface, using the keyboard,
  /// or even locking the screen through closing the lid or a timeout.
  /// 
  /// When the popup is dismissed, a popup_done event will be sent out,
  /// and at the same time the surface will be unmapped. The xdg_popup
  /// object is now inert and cannot be reactivated, so clients should
  /// destroy it. Explicitly destroying the xdg_popup object will also
  /// dismiss the popup and unmap the surface.
  /// 
  /// Clients will receive events for all their surfaces during this
  /// grab (which is an "owner-events" grab in X11 parlance). This is
  /// done so that users can navigate through submenus and other
  /// "nested" popup windows without having to dismiss the topmost
  /// popup.
  /// 
  /// Clients that want to dismiss the popup when another surface of
  /// their own is clicked should dismiss the popup using the destroy
  /// request.
  /// 
  /// The parent surface must have either an xdg_surface or xdg_popup
  /// role.
  /// 
  /// Specifying an xdg_popup for the parent means that the popups are
  /// nested, with this popup now being the topmost popup. Nested
  /// popups must be destroyed in the reverse order they were created
  /// in, e.g. the only popup you are allowed to destroy at all times
  /// is the topmost one.
  /// 
  /// If there is an existing popup when creating a new popup, the
  /// parent must be the current topmost popup.
  /// 
  /// A parent surface must be mapped before the new popup is mapped.
  /// 
  /// When compositors choose to dismiss a popup, they will likely
  /// dismiss every nested popup as well. When a compositor dismisses
  /// popups, it will follow the same dismissing order as required
  /// from the client.
  /// 
  /// The x and y arguments passed when creating the popup object specify
  /// where the top left of the popup should be placed, relative to the
  /// local surface coordinates of the parent surface. See
  /// xdg_shell.get_xdg_popup.
  /// 
  /// The client must call wl_surface.commit on the corresponding wl_surface
  /// for the xdg_popup state to take effect.
  /// 
  /// For a surface to be mapped by the compositor the client must have
  /// committed both the xdg_popup state and a buffer.
  /// 
  class XdgPopup extends Proxy implements Dispatcher{
    final Context innerContext;
    final version = 1;
  
    XdgPopup(this.innerContext) : super(innerContext.allocateClientId()){
      innerContext.register(this);
    }
  
  
  @override
  toString(){
  return "XdgPopup {name: 'xdg_popup', id: '$objectId', version: '1',}";
  }
  
  /// remove xdg_popup interface
  /// 
  /// This destroys the popup. Explicitly destroying the xdg_popup
  /// object will also dismiss the popup, and unmap the surface.
  /// 
  /// If this xdg_popup is not the "topmost" popup, a protocol error
  /// will be sent.
  /// 
    Result<void,Object> destroy() {
  innerContext.unRegister(this);
      logLn("XdgPopup::destroy ");
  var arguments = [];var argTypes = <WaylandType>[];
  var calclulatedSize  = calculateSize(argTypes, arguments);
  final bytesBuilder = BytesBuilder();
  bytesBuilder.add(Uint32List.fromList([objectId, (calclulatedSize << 16) | 0]).buffer.asUint8List());
      try{
      innerContext.sendMessage(bytesBuilder.toBytes(), );
      }catch (e) {
        logLn("Exception in XdgPopup::destroy: $e");
     return Failure(e);
      }
      return Success(Object());
    }
  
  /// popup interaction is done
  /// 
  /// The popup_done event is sent out when a popup is dismissed by the
  /// compositor. The client should destroy the xdg_popup object at this
  /// point.
  /// 
  /// Event handler for PopupDone
   void onPopupDone(XdgPopupPopupDoneEventHandler handler) {
     _popupDoneHandler = handler;
   }
  
   XdgPopupPopupDoneEventHandler? _popupDoneHandler;
  
   @override
   void dispatch(int opcode, int fd, Uint8List data) {
  logLn("XdgPopup.dispatch($opcode, $fd, $data)");
     switch (opcode) {     case 0:
  
         if (_popupDoneHandler != null) {
           _popupDoneHandler!(XdgPopupPopupDoneEvent());
         }
         break;
     }
   }
  }
  
  