#[doc = "controller object for graphic tablet devices\n\nAn object that provides access to the graphics tablets available on this\nsystem. All tablets are associated with a seat, to get access to the\nactual tablets, use wp_tablet_manager.get_tablet_seat."]
pub mod zwp_tablet_manager_v2 {
    use super::sys::common::{wl_argument, wl_array, wl_interface};
    use super::sys::server::*;
    use super::{
        AnonymousObject, Argument, ArgumentType, Interface, Message, MessageDesc, MessageGroup,
        NewResource, Object, ObjectMetadata, Resource,
    };
    pub enum Request {
        #[doc = "get the tablet seat\n\nGet the wp_tablet_seat object for the given seat. This object\nprovides access to all graphics tablets in this seat."]
        GetTabletSeat {
            tablet_seat: NewResource<super::zwp_tablet_seat_v2::ZwpTabletSeatV2>,
            seat: Resource<super::wl_seat::WlSeat>,
        },
        #[doc = "release the memory for the tablet manager object\n\nDestroy the wp_tablet_manager object. Objects created from this\nobject are unaffected and should be destroyed separately.\n\nThis is a destructor, once received this object cannot be used any longer."]
        Destroy,
    }
    impl super::MessageGroup for Request {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "get_tablet_seat",
                since: 1,
                signature: &[super::ArgumentType::NewId, super::ArgumentType::Object],
            },
            super::MessageDesc {
                name: "destroy",
                since: 1,
                signature: &[],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                Request::Destroy => true,
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Request::GetTabletSeat { .. } => 0,
                Request::Destroy => 1,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                0 => Some(Object::from_interface::<
                    super::zwp_tablet_seat_v2::ZwpTabletSeatV2,
                >(version, meta.child())),
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            match msg.opcode {
                0 => {
                    let mut args = msg.args.into_iter();
                    Ok(Request::GetTabletSeat {
                        tablet_seat: {
                            if let Some(Argument::NewId(val)) = args.next() {
                                map.get_new(val).ok_or(())?
                            } else {
                                return Err(());
                            }
                        },
                        seat: {
                            if let Some(Argument::Object(val)) = args.next() {
                                map.get(val).ok_or(())?
                            } else {
                                return Err(());
                            }
                        },
                    })
                }
                1 => Ok(Request::Destroy),
                _ => Err(()),
            }
        }
        fn into_raw(self, sender_id: u32) -> Message {
            panic!("Request::into_raw can not be used Server-side.")
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Request, ()> {
            match opcode {
                0 => {
                    let _args = ::std::slice::from_raw_parts(args, 2);
                    Ok(Request::GetTabletSeat {
                        tablet_seat: {
                            let client = ffi_dispatch!(
                                WAYLAND_SERVER_HANDLE,
                                wl_resource_get_client,
                                obj as *mut _
                            );
                            let version = ffi_dispatch!(
                                WAYLAND_SERVER_HANDLE,
                                wl_resource_get_version,
                                obj as *mut _
                            );
                            let new_ptr = ffi_dispatch!(
                                WAYLAND_SERVER_HANDLE,
                                wl_resource_create,
                                client,
                                super::zwp_tablet_seat_v2::ZwpTabletSeatV2::c_interface(),
                                version,
                                _args[0].n
                            );
                            NewResource::<super::zwp_tablet_seat_v2::ZwpTabletSeatV2>::from_c_ptr(
                                new_ptr,
                            )
                        },
                        seat: Resource::<super::wl_seat::WlSeat>::from_c_ptr(_args[1].o as *mut _),
                    })
                }
                1 => Ok(Request::Destroy),
                _ => return Err(()),
            }
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            panic!("Request::as_raw_c_in can not be used Server-side.")
        }
    }
    pub enum Event {}
    impl super::MessageGroup for Event {
        const MESSAGES: &'static [super::MessageDesc] = &[];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {}
        }
        fn opcode(&self) -> u16 {
            match *self {}
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            panic!("Event::from_raw can not be used Server-side.")
        }
        fn into_raw(self, sender_id: u32) -> Message {
            match self {}
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Event, ()> {
            panic!("Event::from_raw_c can not be used Server-side.")
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            match self {}
        }
    }
    pub struct ZwpTabletManagerV2;
    impl Interface for ZwpTabletManagerV2 {
        type Request = Request;
        type Event = Event;
        const NAME: &'static str = "zwp_tablet_manager_v2";
        const VERSION: u32 = 1;
        fn c_interface() -> *const wl_interface {
            unsafe { &super::super::c_interfaces::zwp_tablet_manager_v2_interface }
        }
    }
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_GET_TABLET_SEAT_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_DESTROY_SINCE: u16 = 1u16;
}
#[doc = "controller object for graphic tablet devices of a seat\n\nAn object that provides access to the graphics tablets available on this\nseat. After binding to this interface, the compositor sends a set of\nwp_tablet_seat.tablet_added and wp_tablet_seat.tool_added events."]
pub mod zwp_tablet_seat_v2 {
    use super::sys::common::{wl_argument, wl_array, wl_interface};
    use super::sys::server::*;
    use super::{
        AnonymousObject, Argument, ArgumentType, Interface, Message, MessageDesc, MessageGroup,
        NewResource, Object, ObjectMetadata, Resource,
    };
    pub enum Request {
        #[doc = "release the memory for the tablet seat object\n\nDestroy the wp_tablet_seat object. Objects created from this\nobject are unaffected and should be destroyed separately.\n\nThis is a destructor, once received this object cannot be used any longer."]
        Destroy,
    }
    impl super::MessageGroup for Request {
        const MESSAGES: &'static [super::MessageDesc] = &[super::MessageDesc {
            name: "destroy",
            since: 1,
            signature: &[],
        }];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                Request::Destroy => true,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Request::Destroy => 0,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            match msg.opcode {
                0 => Ok(Request::Destroy),
                _ => Err(()),
            }
        }
        fn into_raw(self, sender_id: u32) -> Message {
            panic!("Request::into_raw can not be used Server-side.")
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Request, ()> {
            match opcode {
                0 => Ok(Request::Destroy),
                _ => return Err(()),
            }
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            panic!("Request::as_raw_c_in can not be used Server-side.")
        }
    }
    pub enum Event {
        #[doc = "new device notification\n\nThis event is sent whenever a new tablet becomes available on this\nseat. This event only provides the object id of the tablet, any\nstatic information about the tablet (device name, vid/pid, etc.) is\nsent through the wp_tablet interface."]
        TabletAdded {
            id: Resource<super::zwp_tablet_v2::ZwpTabletV2>,
        },
        #[doc = "a new tool has been used with a tablet\n\nThis event is sent whenever a tool that has not previously been used\nwith a tablet comes into use. This event only provides the object id\nof the tool; any static information about the tool (capabilities,\ntype, etc.) is sent through the wp_tablet_tool interface."]
        ToolAdded {
            id: Resource<super::zwp_tablet_tool_v2::ZwpTabletToolV2>,
        },
        #[doc = "new pad notification\n\nThis event is sent whenever a new pad is known to the system. Typically,\npads are physically attached to tablets and a pad_added event is\nsent immediately after the wp_tablet_seat.tablet_added.\nHowever, some standalone pad devices logically attach to tablets at\nruntime, and the client must wait for wp_tablet_pad.enter to know\nthe tablet a pad is attached to.\n\nThis event only provides the object id of the pad. All further\nfeatures (buttons, strips, rings) are sent through the wp_tablet_pad\ninterface."]
        PadAdded {
            id: Resource<super::zwp_tablet_pad_v2::ZwpTabletPadV2>,
        },
    }
    impl super::MessageGroup for Event {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "tablet_added",
                since: 1,
                signature: &[super::ArgumentType::NewId],
            },
            super::MessageDesc {
                name: "tool_added",
                since: 1,
                signature: &[super::ArgumentType::NewId],
            },
            super::MessageDesc {
                name: "pad_added",
                since: 1,
                signature: &[super::ArgumentType::NewId],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Event::TabletAdded { .. } => 0,
                Event::ToolAdded { .. } => 1,
                Event::PadAdded { .. } => 2,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                0 => Some(Object::from_interface::<super::zwp_tablet_v2::ZwpTabletV2>(
                    version,
                    meta.child(),
                )),
                1 => Some(Object::from_interface::<
                    super::zwp_tablet_tool_v2::ZwpTabletToolV2,
                >(version, meta.child())),
                2 => Some(Object::from_interface::<
                    super::zwp_tablet_pad_v2::ZwpTabletPadV2,
                >(version, meta.child())),
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            panic!("Event::from_raw can not be used Server-side.")
        }
        fn into_raw(self, sender_id: u32) -> Message {
            match self {
                Event::TabletAdded { id } => Message {
                    sender_id: sender_id,
                    opcode: 0,
                    args: vec![Argument::NewId(id.id())],
                },
                Event::ToolAdded { id } => Message {
                    sender_id: sender_id,
                    opcode: 1,
                    args: vec![Argument::NewId(id.id())],
                },
                Event::PadAdded { id } => Message {
                    sender_id: sender_id,
                    opcode: 2,
                    args: vec![Argument::NewId(id.id())],
                },
            }
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Event, ()> {
            panic!("Event::from_raw_c can not be used Server-side.")
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            match self {
                Event::TabletAdded { id } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].o = id.c_ptr() as *mut _;
                    f(0, &mut _args_array)
                }
                Event::ToolAdded { id } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].o = id.c_ptr() as *mut _;
                    f(1, &mut _args_array)
                }
                Event::PadAdded { id } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].o = id.c_ptr() as *mut _;
                    f(2, &mut _args_array)
                }
            }
        }
    }
    pub struct ZwpTabletSeatV2;
    impl Interface for ZwpTabletSeatV2 {
        type Request = Request;
        type Event = Event;
        const NAME: &'static str = "zwp_tablet_seat_v2";
        const VERSION: u32 = 1;
        fn c_interface() -> *const wl_interface {
            unsafe { &super::super::c_interfaces::zwp_tablet_seat_v2_interface }
        }
    }
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_DESTROY_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_TABLET_ADDED_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_TOOL_ADDED_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_PAD_ADDED_SINCE: u16 = 1u16;
}
#[doc = "a physical tablet tool\n\nAn object that represents a physical tool that has been, or is\ncurrently in use with a tablet in this seat. Each wp_tablet_tool\nobject stays valid until the client destroys it; the compositor\nreuses the wp_tablet_tool object to indicate that the object's\nrespective physical tool has come into proximity of a tablet again.\n\nA wp_tablet_tool object's relation to a physical tool depends on the\ntablet's ability to report serial numbers. If the tablet supports\nthis capability, then the object represents a specific physical tool\nand can be identified even when used on multiple tablets.\n\nA tablet tool has a number of static characteristics, e.g. tool type,\nhardware_serial and capabilities. These capabilities are sent in an\nevent sequence after the wp_tablet_seat.tool_added event before any\nactual events from this tool. This initial event sequence is\nterminated by a wp_tablet_tool.done event.\n\nTablet tool events are grouped by wp_tablet_tool.frame events.\nAny events received before a wp_tablet_tool.frame event should be\nconsidered part of the same hardware state change."]
pub mod zwp_tablet_tool_v2 {
    use super::sys::common::{wl_argument, wl_array, wl_interface};
    use super::sys::server::*;
    use super::{
        AnonymousObject, Argument, ArgumentType, Interface, Message, MessageDesc, MessageGroup,
        NewResource, Object, ObjectMetadata, Resource,
    };
    #[doc = "a physical tool type\n\nDescribes the physical type of a tool. The physical type of a tool\ngenerally defines its base usage.\n\nThe mouse tool represents a mouse-shaped tool that is not a relative\ndevice but bound to the tablet's surface, providing absolute\ncoordinates.\n\nThe lens tool is a mouse-shaped tool with an attached lens to\nprovide precision focus."]
    #[repr(u32)]
    #[derive(Copy, Clone, Debug, PartialEq)]
    pub enum Type {
        #[doc = "Pen"]
        Pen = 320,
        #[doc = "Eraser"]
        Eraser = 321,
        #[doc = "Brush"]
        Brush = 322,
        #[doc = "Pencil"]
        Pencil = 323,
        #[doc = "Airbrush"]
        Airbrush = 324,
        #[doc = "Finger"]
        Finger = 325,
        #[doc = "Mouse"]
        Mouse = 326,
        #[doc = "Lens"]
        Lens = 327,
    }
    impl Type {
        pub fn from_raw(n: u32) -> Option<Type> {
            match n {
                320 => Some(Type::Pen),
                321 => Some(Type::Eraser),
                322 => Some(Type::Brush),
                323 => Some(Type::Pencil),
                324 => Some(Type::Airbrush),
                325 => Some(Type::Finger),
                326 => Some(Type::Mouse),
                327 => Some(Type::Lens),
                _ => Option::None,
            }
        }
        pub fn to_raw(&self) -> u32 {
            *self as u32
        }
    }
    #[doc = "capability flags for a tool\n\nDescribes extra capabilities on a tablet.\n\nAny tool must provide x and y values, extra axes are\ndevice-specific."]
    #[repr(u32)]
    #[derive(Copy, Clone, Debug, PartialEq)]
    pub enum Capability {
        #[doc = "Tilt axes"]
        Tilt = 1,
        #[doc = "Pressure axis"]
        Pressure = 2,
        #[doc = "Distance axis"]
        Distance = 3,
        #[doc = "Z-rotation axis"]
        Rotation = 4,
        #[doc = "Slider axis"]
        Slider = 5,
        #[doc = "Wheel axis"]
        Wheel = 6,
    }
    impl Capability {
        pub fn from_raw(n: u32) -> Option<Capability> {
            match n {
                1 => Some(Capability::Tilt),
                2 => Some(Capability::Pressure),
                3 => Some(Capability::Distance),
                4 => Some(Capability::Rotation),
                5 => Some(Capability::Slider),
                6 => Some(Capability::Wheel),
                _ => Option::None,
            }
        }
        pub fn to_raw(&self) -> u32 {
            *self as u32
        }
    }
    #[doc = "physical button state\n\nDescribes the physical state of a button that produced the button event."]
    #[repr(u32)]
    #[derive(Copy, Clone, Debug, PartialEq)]
    pub enum ButtonState {
        #[doc = "button is not pressed"]
        Released = 0,
        #[doc = "button is pressed"]
        Pressed = 1,
    }
    impl ButtonState {
        pub fn from_raw(n: u32) -> Option<ButtonState> {
            match n {
                0 => Some(ButtonState::Released),
                1 => Some(ButtonState::Pressed),
                _ => Option::None,
            }
        }
        pub fn to_raw(&self) -> u32 {
            *self as u32
        }
    }
    #[repr(u32)]
    #[derive(Copy, Clone, Debug, PartialEq)]
    pub enum Error {
        #[doc = "given wl_surface has another role"]
        Role = 0,
    }
    impl Error {
        pub fn from_raw(n: u32) -> Option<Error> {
            match n {
                0 => Some(Error::Role),
                _ => Option::None,
            }
        }
        pub fn to_raw(&self) -> u32 {
            *self as u32
        }
    }
    pub enum Request {
        #[doc = "set the tablet tool's surface\n\nSets the surface of the cursor used for this tool on the given\ntablet. This request only takes effect if the tool is in proximity\nof one of the requesting client's surfaces or the surface parameter\nis the current pointer surface. If there was a previous surface set\nwith this request it is replaced. If surface is NULL, the cursor\nimage is hidden.\n\nThe parameters hotspot_x and hotspot_y define the position of the\npointer surface relative to the pointer location. Its top-left corner\nis always at (x, y) - (hotspot_x, hotspot_y), where (x, y) are the\ncoordinates of the pointer location, in surface-local coordinates.\n\nOn surface.attach requests to the pointer surface, hotspot_x and\nhotspot_y are decremented by the x and y parameters passed to the\nrequest. Attach must be confirmed by wl_surface.commit as usual.\n\nThe hotspot can also be updated by passing the currently set pointer\nsurface to this request with new values for hotspot_x and hotspot_y.\n\nThe current and pending input regions of the wl_surface are cleared,\nand wl_surface.set_input_region is ignored until the wl_surface is no\nlonger used as the cursor. When the use as a cursor ends, the current\nand pending input regions become undefined, and the wl_surface is\nunmapped.\n\nThis request gives the surface the role of a wp_tablet_tool cursor. A\nsurface may only ever be used as the cursor surface for one\nwp_tablet_tool. If the surface already has another role or has\npreviously been used as cursor surface for a different tool, a\nprotocol error is raised."]
        SetCursor {
            serial: u32,
            surface: Option<Resource<super::wl_surface::WlSurface>>,
            hotspot_x: i32,
            hotspot_y: i32,
        },
        #[doc = "destroy the tool object\n\nThis destroys the client's resource for this tool object.\n\nThis is a destructor, once received this object cannot be used any longer."]
        Destroy,
    }
    impl super::MessageGroup for Request {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "set_cursor",
                since: 1,
                signature: &[
                    super::ArgumentType::Uint,
                    super::ArgumentType::Object,
                    super::ArgumentType::Int,
                    super::ArgumentType::Int,
                ],
            },
            super::MessageDesc {
                name: "destroy",
                since: 1,
                signature: &[],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                Request::Destroy => true,
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Request::SetCursor { .. } => 0,
                Request::Destroy => 1,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            match msg.opcode {
                0 => {
                    let mut args = msg.args.into_iter();
                    Ok(Request::SetCursor {
                        serial: {
                            if let Some(Argument::Uint(val)) = args.next() {
                                val
                            } else {
                                return Err(());
                            }
                        },
                        surface: {
                            if let Some(Argument::Object(val)) = args.next() {
                                if val == 0 {
                                    None
                                } else {
                                    Some(map.get(val).ok_or(())?)
                                }
                            } else {
                                return Err(());
                            }
                        },
                        hotspot_x: {
                            if let Some(Argument::Int(val)) = args.next() {
                                val
                            } else {
                                return Err(());
                            }
                        },
                        hotspot_y: {
                            if let Some(Argument::Int(val)) = args.next() {
                                val
                            } else {
                                return Err(());
                            }
                        },
                    })
                }
                1 => Ok(Request::Destroy),
                _ => Err(()),
            }
        }
        fn into_raw(self, sender_id: u32) -> Message {
            panic!("Request::into_raw can not be used Server-side.")
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Request, ()> {
            match opcode {
                0 => {
                    let _args = ::std::slice::from_raw_parts(args, 4);
                    Ok(Request::SetCursor {
                        serial: _args[0].u,
                        surface: if _args[1].o.is_null() {
                            None
                        } else {
                            Some(Resource::<super::wl_surface::WlSurface>::from_c_ptr(
                                _args[1].o as *mut _,
                            ))
                        },
                        hotspot_x: _args[2].i,
                        hotspot_y: _args[3].i,
                    })
                }
                1 => Ok(Request::Destroy),
                _ => return Err(()),
            }
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            panic!("Request::as_raw_c_in can not be used Server-side.")
        }
    }
    pub enum Event {
        #[doc = "tool type\n\nThe tool type is the high-level type of the tool and usually decides\nthe interaction expected from this tool.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_tool.done event."]
        Type { tool_type: Type },
        #[doc = "unique hardware serial number of the tool\n\nIf the physical tool can be identified by a unique 64-bit serial\nnumber, this event notifies the client of this serial number.\n\nIf multiple tablets are available in the same seat and the tool is\nuniquely identifiable by the serial number, that tool may move\nbetween tablets.\n\nOtherwise, if the tool has no serial number and this event is\nmissing, the tool is tied to the tablet it first comes into\nproximity with. Even if the physical tool is used on multiple\ntablets, separate wp_tablet_tool objects will be created, one per\ntablet.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_tool.done event."]
        HardwareSerial {
            hardware_serial_hi: u32,
            hardware_serial_lo: u32,
        },
        #[doc = "hardware id notification in Wacom's format\n\nThis event notifies the client of a hardware id available on this tool.\n\nThe hardware id is a device-specific 64-bit id that provides extra\ninformation about the tool in use, beyond the wl_tool.type\nenumeration. The format of the id is specific to tablets made by\nWacom Inc. For example, the hardware id of a Wacom Grip\nPen (a stylus) is 0x802.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_tool.done event."]
        HardwareIdWacom {
            hardware_id_hi: u32,
            hardware_id_lo: u32,
        },
        #[doc = "tool capability notification\n\nThis event notifies the client of any capabilities of this tool,\nbeyond the main set of x/y axes and tip up/down detection.\n\nOne event is sent for each extra capability available on this tool.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_tool.done event."]
        Capability { capability: Capability },
        #[doc = "tool description events sequence complete\n\nThis event signals the end of the initial burst of descriptive\nevents. A client may consider the static description of the tool to\nbe complete and finalize initialization of the tool."]
        Done,
        #[doc = "tool removed\n\nThis event is sent when the tool is removed from the system and will\nsend no further events. Should the physical tool come back into\nproximity later, a new wp_tablet_tool object will be created.\n\nIt is compositor-dependent when a tool is removed. A compositor may\nremove a tool on proximity out, tablet removal or any other reason.\nA compositor may also keep a tool alive until shutdown.\n\nIf the tool is currently in proximity, a proximity_out event will be\nsent before the removed event. See wp_tablet_tool.proximity_out for\nthe handling of any buttons logically down.\n\nWhen this event is received, the client must wp_tablet_tool.destroy\nthe object."]
        Removed,
        #[doc = "proximity in event\n\nNotification that this tool is focused on a certain surface.\n\nThis event can be received when the tool has moved from one surface to\nanother, or when the tool has come back into proximity above the\nsurface.\n\nIf any button is logically down when the tool comes into proximity,\nthe respective button event is sent after the proximity_in event but\nwithin the same frame as the proximity_in event."]
        ProximityIn {
            serial: u32,
            tablet: Resource<super::zwp_tablet_v2::ZwpTabletV2>,
            surface: Resource<super::wl_surface::WlSurface>,
        },
        #[doc = "proximity out event\n\nNotification that this tool has either left proximity, or is no\nlonger focused on a certain surface.\n\nWhen the tablet tool leaves proximity of the tablet, button release\nevents are sent for each button that was held down at the time of\nleaving proximity. These events are sent before the proximity_out\nevent but within the same wp_tablet.frame.\n\nIf the tool stays within proximity of the tablet, but the focus\nchanges from one surface to another, a button release event may not\nbe sent until the button is actually released or the tool leaves the\nproximity of the tablet."]
        ProximityOut,
        #[doc = "tablet tool is making contact\n\nSent whenever the tablet tool comes in contact with the surface of the\ntablet.\n\nIf the tool is already in contact with the tablet when entering the\ninput region, the client owning said region will receive a\nwp_tablet.proximity_in event, followed by a wp_tablet.down\nevent and a wp_tablet.frame event.\n\nNote that this event describes logical contact, not physical\ncontact. On some devices, a compositor may not consider a tool in\nlogical contact until a minimum physical pressure threshold is\nexceeded."]
        Down { serial: u32 },
        #[doc = "tablet tool is no longer making contact\n\nSent whenever the tablet tool stops making contact with the surface of\nthe tablet, or when the tablet tool moves out of the input region\nand the compositor grab (if any) is dismissed.\n\nIf the tablet tool moves out of the input region while in contact\nwith the surface of the tablet and the compositor does not have an\nongoing grab on the surface, the client owning said region will\nreceive a wp_tablet.up event, followed by a wp_tablet.proximity_out\nevent and a wp_tablet.frame event. If the compositor has an ongoing\ngrab on this device, this event sequence is sent whenever the grab\nis dismissed in the future.\n\nNote that this event describes logical contact, not physical\ncontact. On some devices, a compositor may not consider a tool out\nof logical contact until physical pressure falls below a specific\nthreshold."]
        Up,
        #[doc = "motion event\n\nSent whenever a tablet tool moves."]
        Motion { x: f64, y: f64 },
        #[doc = "pressure change event\n\nSent whenever the pressure axis on a tool changes. The value of this\nevent is normalized to a value between 0 and 65535.\n\nNote that pressure may be nonzero even when a tool is not in logical\ncontact. See the down and up events for more details."]
        Pressure { pressure: u32 },
        #[doc = "distance change event\n\nSent whenever the distance axis on a tool changes. The value of this\nevent is normalized to a value between 0 and 65535.\n\nNote that distance may be nonzero even when a tool is not in logical\ncontact. See the down and up events for more details."]
        Distance { distance: u32 },
        #[doc = "tilt change event\n\nSent whenever one or both of the tilt axes on a tool change. Each tilt\nvalue is in degrees, relative to the z-axis of the tablet.\nThe angle is positive when the top of a tool tilts along the\npositive x or y axis."]
        Tilt { tilt_x: f64, tilt_y: f64 },
        #[doc = "z-rotation change event\n\nSent whenever the z-rotation axis on the tool changes. The\nrotation value is in degrees clockwise from the tool's\nlogical neutral position."]
        Rotation { degrees: f64 },
        #[doc = "Slider position change event\n\nSent whenever the slider position on the tool changes. The\nvalue is normalized between -65535 and 65535, with 0 as the logical\nneutral position of the slider.\n\nThe slider is available on e.g. the Wacom Airbrush tool."]
        Slider { position: i32 },
        #[doc = "Wheel delta event\n\nSent whenever the wheel on the tool emits an event. This event\ncontains two values for the same axis change. The degrees value is\nin the same orientation as the wl_pointer.vertical_scroll axis. The\nclicks value is in discrete logical clicks of the mouse wheel. This\nvalue may be zero if the movement of the wheel was less\nthan one logical click.\n\nClients should choose either value and avoid mixing degrees and\nclicks. The compositor may accumulate values smaller than a logical\nclick and emulate click events when a certain threshold is met.\nThus, wl_tablet_tool.wheel events with non-zero clicks values may\nhave different degrees values."]
        Wheel { degrees: f64, clicks: i32 },
        #[doc = "button event\n\nSent whenever a button on the tool is pressed or released.\n\nIf a button is held down when the tool moves in or out of proximity,\nbutton events are generated by the compositor. See\nwp_tablet_tool.proximity_in and wp_tablet_tool.proximity_out for\ndetails."]
        Button {
            serial: u32,
            button: u32,
            state: ButtonState,
        },
        #[doc = "frame event\n\nMarks the end of a series of axis and/or button updates from the\ntablet. The Wayland protocol requires axis updates to be sent\nsequentially, however all events within a frame should be considered\none hardware event."]
        Frame { time: u32 },
    }
    impl super::MessageGroup for Event {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "type",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "hardware_serial",
                since: 1,
                signature: &[super::ArgumentType::Uint, super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "hardware_id_wacom",
                since: 1,
                signature: &[super::ArgumentType::Uint, super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "capability",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "done",
                since: 1,
                signature: &[],
            },
            super::MessageDesc {
                name: "removed",
                since: 1,
                signature: &[],
            },
            super::MessageDesc {
                name: "proximity_in",
                since: 1,
                signature: &[
                    super::ArgumentType::Uint,
                    super::ArgumentType::Object,
                    super::ArgumentType::Object,
                ],
            },
            super::MessageDesc {
                name: "proximity_out",
                since: 1,
                signature: &[],
            },
            super::MessageDesc {
                name: "down",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "up",
                since: 1,
                signature: &[],
            },
            super::MessageDesc {
                name: "motion",
                since: 1,
                signature: &[super::ArgumentType::Fixed, super::ArgumentType::Fixed],
            },
            super::MessageDesc {
                name: "pressure",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "distance",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "tilt",
                since: 1,
                signature: &[super::ArgumentType::Fixed, super::ArgumentType::Fixed],
            },
            super::MessageDesc {
                name: "rotation",
                since: 1,
                signature: &[super::ArgumentType::Fixed],
            },
            super::MessageDesc {
                name: "slider",
                since: 1,
                signature: &[super::ArgumentType::Int],
            },
            super::MessageDesc {
                name: "wheel",
                since: 1,
                signature: &[super::ArgumentType::Fixed, super::ArgumentType::Int],
            },
            super::MessageDesc {
                name: "button",
                since: 1,
                signature: &[
                    super::ArgumentType::Uint,
                    super::ArgumentType::Uint,
                    super::ArgumentType::Uint,
                ],
            },
            super::MessageDesc {
                name: "frame",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Event::Type { .. } => 0,
                Event::HardwareSerial { .. } => 1,
                Event::HardwareIdWacom { .. } => 2,
                Event::Capability { .. } => 3,
                Event::Done => 4,
                Event::Removed => 5,
                Event::ProximityIn { .. } => 6,
                Event::ProximityOut => 7,
                Event::Down { .. } => 8,
                Event::Up => 9,
                Event::Motion { .. } => 10,
                Event::Pressure { .. } => 11,
                Event::Distance { .. } => 12,
                Event::Tilt { .. } => 13,
                Event::Rotation { .. } => 14,
                Event::Slider { .. } => 15,
                Event::Wheel { .. } => 16,
                Event::Button { .. } => 17,
                Event::Frame { .. } => 18,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            panic!("Event::from_raw can not be used Server-side.")
        }
        fn into_raw(self, sender_id: u32) -> Message {
            match self {
                Event::Type { tool_type } => Message {
                    sender_id: sender_id,
                    opcode: 0,
                    args: vec![Argument::Uint(tool_type.to_raw())],
                },
                Event::HardwareSerial {
                    hardware_serial_hi,
                    hardware_serial_lo,
                } => Message {
                    sender_id: sender_id,
                    opcode: 1,
                    args: vec![
                        Argument::Uint(hardware_serial_hi),
                        Argument::Uint(hardware_serial_lo),
                    ],
                },
                Event::HardwareIdWacom {
                    hardware_id_hi,
                    hardware_id_lo,
                } => Message {
                    sender_id: sender_id,
                    opcode: 2,
                    args: vec![
                        Argument::Uint(hardware_id_hi),
                        Argument::Uint(hardware_id_lo),
                    ],
                },
                Event::Capability { capability } => Message {
                    sender_id: sender_id,
                    opcode: 3,
                    args: vec![Argument::Uint(capability.to_raw())],
                },
                Event::Done => Message {
                    sender_id: sender_id,
                    opcode: 4,
                    args: vec![],
                },
                Event::Removed => Message {
                    sender_id: sender_id,
                    opcode: 5,
                    args: vec![],
                },
                Event::ProximityIn {
                    serial,
                    tablet,
                    surface,
                } => Message {
                    sender_id: sender_id,
                    opcode: 6,
                    args: vec![
                        Argument::Uint(serial),
                        Argument::Object(tablet.id()),
                        Argument::Object(surface.id()),
                    ],
                },
                Event::ProximityOut => Message {
                    sender_id: sender_id,
                    opcode: 7,
                    args: vec![],
                },
                Event::Down { serial } => Message {
                    sender_id: sender_id,
                    opcode: 8,
                    args: vec![Argument::Uint(serial)],
                },
                Event::Up => Message {
                    sender_id: sender_id,
                    opcode: 9,
                    args: vec![],
                },
                Event::Motion { x, y } => Message {
                    sender_id: sender_id,
                    opcode: 10,
                    args: vec![
                        Argument::Fixed((x * 256.) as i32),
                        Argument::Fixed((y * 256.) as i32),
                    ],
                },
                Event::Pressure { pressure } => Message {
                    sender_id: sender_id,
                    opcode: 11,
                    args: vec![Argument::Uint(pressure)],
                },
                Event::Distance { distance } => Message {
                    sender_id: sender_id,
                    opcode: 12,
                    args: vec![Argument::Uint(distance)],
                },
                Event::Tilt { tilt_x, tilt_y } => Message {
                    sender_id: sender_id,
                    opcode: 13,
                    args: vec![
                        Argument::Fixed((tilt_x * 256.) as i32),
                        Argument::Fixed((tilt_y * 256.) as i32),
                    ],
                },
                Event::Rotation { degrees } => Message {
                    sender_id: sender_id,
                    opcode: 14,
                    args: vec![Argument::Fixed((degrees * 256.) as i32)],
                },
                Event::Slider { position } => Message {
                    sender_id: sender_id,
                    opcode: 15,
                    args: vec![Argument::Int(position)],
                },
                Event::Wheel { degrees, clicks } => Message {
                    sender_id: sender_id,
                    opcode: 16,
                    args: vec![
                        Argument::Fixed((degrees * 256.) as i32),
                        Argument::Int(clicks),
                    ],
                },
                Event::Button {
                    serial,
                    button,
                    state,
                } => Message {
                    sender_id: sender_id,
                    opcode: 17,
                    args: vec![
                        Argument::Uint(serial),
                        Argument::Uint(button),
                        Argument::Uint(state.to_raw()),
                    ],
                },
                Event::Frame { time } => Message {
                    sender_id: sender_id,
                    opcode: 18,
                    args: vec![Argument::Uint(time)],
                },
            }
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Event, ()> {
            panic!("Event::from_raw_c can not be used Server-side.")
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            match self {
                Event::Type { tool_type } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = tool_type.to_raw();
                    f(0, &mut _args_array)
                }
                Event::HardwareSerial {
                    hardware_serial_hi,
                    hardware_serial_lo,
                } => {
                    let mut _args_array: [wl_argument; 2] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = hardware_serial_hi;
                    _args_array[1].u = hardware_serial_lo;
                    f(1, &mut _args_array)
                }
                Event::HardwareIdWacom {
                    hardware_id_hi,
                    hardware_id_lo,
                } => {
                    let mut _args_array: [wl_argument; 2] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = hardware_id_hi;
                    _args_array[1].u = hardware_id_lo;
                    f(2, &mut _args_array)
                }
                Event::Capability { capability } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = capability.to_raw();
                    f(3, &mut _args_array)
                }
                Event::Done => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(4, &mut _args_array)
                }
                Event::Removed => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(5, &mut _args_array)
                }
                Event::ProximityIn {
                    serial,
                    tablet,
                    surface,
                } => {
                    let mut _args_array: [wl_argument; 3] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = serial;
                    _args_array[1].o = tablet.c_ptr() as *mut _;
                    _args_array[2].o = surface.c_ptr() as *mut _;
                    f(6, &mut _args_array)
                }
                Event::ProximityOut => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(7, &mut _args_array)
                }
                Event::Down { serial } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = serial;
                    f(8, &mut _args_array)
                }
                Event::Up => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(9, &mut _args_array)
                }
                Event::Motion { x, y } => {
                    let mut _args_array: [wl_argument; 2] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].f = (x * 256.) as i32;
                    _args_array[1].f = (y * 256.) as i32;
                    f(10, &mut _args_array)
                }
                Event::Pressure { pressure } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = pressure;
                    f(11, &mut _args_array)
                }
                Event::Distance { distance } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = distance;
                    f(12, &mut _args_array)
                }
                Event::Tilt { tilt_x, tilt_y } => {
                    let mut _args_array: [wl_argument; 2] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].f = (tilt_x * 256.) as i32;
                    _args_array[1].f = (tilt_y * 256.) as i32;
                    f(13, &mut _args_array)
                }
                Event::Rotation { degrees } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].f = (degrees * 256.) as i32;
                    f(14, &mut _args_array)
                }
                Event::Slider { position } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].i = position;
                    f(15, &mut _args_array)
                }
                Event::Wheel { degrees, clicks } => {
                    let mut _args_array: [wl_argument; 2] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].f = (degrees * 256.) as i32;
                    _args_array[1].i = clicks;
                    f(16, &mut _args_array)
                }
                Event::Button {
                    serial,
                    button,
                    state,
                } => {
                    let mut _args_array: [wl_argument; 3] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = serial;
                    _args_array[1].u = button;
                    _args_array[2].u = state.to_raw();
                    f(17, &mut _args_array)
                }
                Event::Frame { time } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = time;
                    f(18, &mut _args_array)
                }
            }
        }
    }
    pub struct ZwpTabletToolV2;
    impl Interface for ZwpTabletToolV2 {
        type Request = Request;
        type Event = Event;
        const NAME: &'static str = "zwp_tablet_tool_v2";
        const VERSION: u32 = 1;
        fn c_interface() -> *const wl_interface {
            unsafe { &super::super::c_interfaces::zwp_tablet_tool_v2_interface }
        }
    }
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_SET_CURSOR_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_DESTROY_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_TYPE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_HARDWARE_SERIAL_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_HARDWARE_ID_WACOM_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_CAPABILITY_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_DONE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_REMOVED_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_PROXIMITY_IN_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_PROXIMITY_OUT_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_DOWN_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_UP_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_MOTION_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_PRESSURE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_DISTANCE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_TILT_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_ROTATION_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_SLIDER_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_WHEEL_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_BUTTON_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_FRAME_SINCE: u16 = 1u16;
}
#[doc = "graphics tablet device\n\nThe wp_tablet interface represents one graphics tablet device. The\ntablet interface itself does not generate events; all events are\ngenerated by wp_tablet_tool objects when in proximity above a tablet.\n\nA tablet has a number of static characteristics, e.g. device name and\npid/vid. These capabilities are sent in an event sequence after the\nwp_tablet_seat.tablet_added event. This initial event sequence is\nterminated by a wp_tablet.done event."]
pub mod zwp_tablet_v2 {
    use super::sys::common::{wl_argument, wl_array, wl_interface};
    use super::sys::server::*;
    use super::{
        AnonymousObject, Argument, ArgumentType, Interface, Message, MessageDesc, MessageGroup,
        NewResource, Object, ObjectMetadata, Resource,
    };
    pub enum Request {
        #[doc = "destroy the tablet object\n\nThis destroys the client's resource for this tablet object.\n\nThis is a destructor, once received this object cannot be used any longer."]
        Destroy,
    }
    impl super::MessageGroup for Request {
        const MESSAGES: &'static [super::MessageDesc] = &[super::MessageDesc {
            name: "destroy",
            since: 1,
            signature: &[],
        }];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                Request::Destroy => true,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Request::Destroy => 0,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            match msg.opcode {
                0 => Ok(Request::Destroy),
                _ => Err(()),
            }
        }
        fn into_raw(self, sender_id: u32) -> Message {
            panic!("Request::into_raw can not be used Server-side.")
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Request, ()> {
            match opcode {
                0 => Ok(Request::Destroy),
                _ => return Err(()),
            }
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            panic!("Request::as_raw_c_in can not be used Server-side.")
        }
    }
    pub enum Event {
        #[doc = "tablet device name\n\nThis event is sent in the initial burst of events before the\nwp_tablet.done event."]
        Name { name: String },
        #[doc = "tablet device USB vendor/product id\n\nThis event is sent in the initial burst of events before the\nwp_tablet.done event."]
        Id { vid: u32, pid: u32 },
        #[doc = "path to the device\n\nA system-specific device path that indicates which device is behind\nthis wp_tablet. This information may be used to gather additional\ninformation about the device, e.g. through libwacom.\n\nA device may have more than one device path. If so, multiple\nwp_tablet.path events are sent. A device may be emulated and not\nhave a device path, and in that case this event will not be sent.\n\nThe format of the path is unspecified, it may be a device node, a\nsysfs path, or some other identifier. It is up to the client to\nidentify the string provided.\n\nThis event is sent in the initial burst of events before the\nwp_tablet.done event."]
        Path { path: String },
        #[doc = "tablet description events sequence complete\n\nThis event is sent immediately to signal the end of the initial\nburst of descriptive events. A client may consider the static\ndescription of the tablet to be complete and finalize initialization\nof the tablet."]
        Done,
        #[doc = "tablet removed event\n\nSent when the tablet has been removed from the system. When a tablet\nis removed, some tools may be removed.\n\nWhen this event is received, the client must wp_tablet.destroy\nthe object."]
        Removed,
    }
    impl super::MessageGroup for Event {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "name",
                since: 1,
                signature: &[super::ArgumentType::Str],
            },
            super::MessageDesc {
                name: "id",
                since: 1,
                signature: &[super::ArgumentType::Uint, super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "path",
                since: 1,
                signature: &[super::ArgumentType::Str],
            },
            super::MessageDesc {
                name: "done",
                since: 1,
                signature: &[],
            },
            super::MessageDesc {
                name: "removed",
                since: 1,
                signature: &[],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Event::Name { .. } => 0,
                Event::Id { .. } => 1,
                Event::Path { .. } => 2,
                Event::Done => 3,
                Event::Removed => 4,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            panic!("Event::from_raw can not be used Server-side.")
        }
        fn into_raw(self, sender_id: u32) -> Message {
            match self {
                Event::Name { name } => Message {
                    sender_id: sender_id,
                    opcode: 0,
                    args: vec![Argument::Str(unsafe {
                        ::std::ffi::CString::from_vec_unchecked(name.into())
                    })],
                },
                Event::Id { vid, pid } => Message {
                    sender_id: sender_id,
                    opcode: 1,
                    args: vec![Argument::Uint(vid), Argument::Uint(pid)],
                },
                Event::Path { path } => Message {
                    sender_id: sender_id,
                    opcode: 2,
                    args: vec![Argument::Str(unsafe {
                        ::std::ffi::CString::from_vec_unchecked(path.into())
                    })],
                },
                Event::Done => Message {
                    sender_id: sender_id,
                    opcode: 3,
                    args: vec![],
                },
                Event::Removed => Message {
                    sender_id: sender_id,
                    opcode: 4,
                    args: vec![],
                },
            }
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Event, ()> {
            panic!("Event::from_raw_c can not be used Server-side.")
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            match self {
                Event::Name { name } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    let _arg_0 = ::std::ffi::CString::new(name).unwrap();
                    _args_array[0].s = _arg_0.as_ptr();
                    f(0, &mut _args_array)
                }
                Event::Id { vid, pid } => {
                    let mut _args_array: [wl_argument; 2] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = vid;
                    _args_array[1].u = pid;
                    f(1, &mut _args_array)
                }
                Event::Path { path } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    let _arg_0 = ::std::ffi::CString::new(path).unwrap();
                    _args_array[0].s = _arg_0.as_ptr();
                    f(2, &mut _args_array)
                }
                Event::Done => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(3, &mut _args_array)
                }
                Event::Removed => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(4, &mut _args_array)
                }
            }
        }
    }
    pub struct ZwpTabletV2;
    impl Interface for ZwpTabletV2 {
        type Request = Request;
        type Event = Event;
        const NAME: &'static str = "zwp_tablet_v2";
        const VERSION: u32 = 1;
        fn c_interface() -> *const wl_interface {
            unsafe { &super::super::c_interfaces::zwp_tablet_v2_interface }
        }
    }
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_DESTROY_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_NAME_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_ID_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_PATH_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_DONE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_REMOVED_SINCE: u16 = 1u16;
}
#[doc = "pad ring\n\nA circular interaction area, such as the touch ring on the Wacom Intuos\nPro series tablets.\n\nEvents on a ring are logically grouped by the wl_tablet_pad_ring.frame\nevent."]
pub mod zwp_tablet_pad_ring_v2 {
    use super::sys::common::{wl_argument, wl_array, wl_interface};
    use super::sys::server::*;
    use super::{
        AnonymousObject, Argument, ArgumentType, Interface, Message, MessageDesc, MessageGroup,
        NewResource, Object, ObjectMetadata, Resource,
    };
    #[doc = "ring axis source\n\nDescribes the source types for ring events. This indicates to the\nclient how a ring event was physically generated; a client may\nadjust the user interface accordingly. For example, events\nfrom a \"finger\" source may trigger kinetic scrolling."]
    #[repr(u32)]
    #[derive(Copy, Clone, Debug, PartialEq)]
    pub enum Source {
        #[doc = "finger"]
        Finger = 1,
    }
    impl Source {
        pub fn from_raw(n: u32) -> Option<Source> {
            match n {
                1 => Some(Source::Finger),
                _ => Option::None,
            }
        }
        pub fn to_raw(&self) -> u32 {
            *self as u32
        }
    }
    pub enum Request {
        #[doc = "set compositor feedback\n\nRequest that the compositor use the provided feedback string\nassociated with this ring. This request should be issued immediately\nafter a wp_tablet_pad_group.mode_switch event from the corresponding\ngroup is received, or whenever the ring is mapped to a different\naction. See wp_tablet_pad_group.mode_switch for more details.\n\nClients are encouraged to provide context-aware descriptions for\nthe actions associated with the ring; compositors may use this\ninformation to offer visual feedback about the button layout\n(eg. on-screen displays).\n\nThe provided string 'description' is a UTF-8 encoded string to be\nassociated with this ring, and is considered user-visible; general\ninternationalization rules apply.\n\nThe serial argument will be that of the last\nwp_tablet_pad_group.mode_switch event received for the group of this\nring. Requests providing other serials than the most recent one will be\nignored."]
        SetFeedback { description: String, serial: u32 },
        #[doc = "destroy the ring object\n\nThis destroys the client's resource for this ring object.\n\nThis is a destructor, once received this object cannot be used any longer."]
        Destroy,
    }
    impl super::MessageGroup for Request {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "set_feedback",
                since: 1,
                signature: &[super::ArgumentType::Str, super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "destroy",
                since: 1,
                signature: &[],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                Request::Destroy => true,
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Request::SetFeedback { .. } => 0,
                Request::Destroy => 1,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            match msg.opcode {
                0 => {
                    let mut args = msg.args.into_iter();
                    Ok(Request::SetFeedback {
                        description: {
                            if let Some(Argument::Str(val)) = args.next() {
                                let s = String::from_utf8(val.into_bytes()).unwrap_or_else(|e| {
                                    String::from_utf8_lossy(&e.into_bytes()).into()
                                });
                                s
                            } else {
                                return Err(());
                            }
                        },
                        serial: {
                            if let Some(Argument::Uint(val)) = args.next() {
                                val
                            } else {
                                return Err(());
                            }
                        },
                    })
                }
                1 => Ok(Request::Destroy),
                _ => Err(()),
            }
        }
        fn into_raw(self, sender_id: u32) -> Message {
            panic!("Request::into_raw can not be used Server-side.")
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Request, ()> {
            match opcode {
                0 => {
                    let _args = ::std::slice::from_raw_parts(args, 2);
                    Ok(Request::SetFeedback {
                        description: ::std::ffi::CStr::from_ptr(_args[0].s)
                            .to_string_lossy()
                            .into_owned(),
                        serial: _args[1].u,
                    })
                }
                1 => Ok(Request::Destroy),
                _ => return Err(()),
            }
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            panic!("Request::as_raw_c_in can not be used Server-side.")
        }
    }
    pub enum Event {
        #[doc = "ring event source\n\nSource information for ring events.\n\nThis event does not occur on its own. It is sent before a\nwp_tablet_pad_ring.frame event and carries the source information\nfor all events within that frame.\n\nThe source specifies how this event was generated. If the source is\nwp_tablet_pad_ring.source.finger, a wp_tablet_pad_ring.stop event\nwill be sent when the user lifts the finger off the device.\n\nThis event is optional. If the source is unknown for an interaction,\nno event is sent."]
        Source { source: Source },
        #[doc = "angle changed\n\nSent whenever the angle on a ring changes.\n\nThe angle is provided in degrees clockwise from the logical\nnorth of the ring in the pad's current rotation."]
        Angle { degrees: f64 },
        #[doc = "interaction stopped\n\nStop notification for ring events.\n\nFor some wp_tablet_pad_ring.source types, a wp_tablet_pad_ring.stop\nevent is sent to notify a client that the interaction with the ring\nhas terminated. This enables the client to implement kinetic scrolling.\nSee the wp_tablet_pad_ring.source documentation for information on\nwhen this event may be generated.\n\nAny wp_tablet_pad_ring.angle events with the same source after this\nevent should be considered as the start of a new interaction."]
        Stop,
        #[doc = "end of a ring event sequence\n\nIndicates the end of a set of ring events that logically belong\ntogether. A client is expected to accumulate the data in all events\nwithin the frame before proceeding.\n\nAll wp_tablet_pad_ring events before a wp_tablet_pad_ring.frame event belong\nlogically together. For example, on termination of a finger interaction\non a ring the compositor will send a wp_tablet_pad_ring.source event,\na wp_tablet_pad_ring.stop event and a wp_tablet_pad_ring.frame event.\n\nA wp_tablet_pad_ring.frame event is sent for every logical event\ngroup, even if the group only contains a single wp_tablet_pad_ring\nevent. Specifically, a client may get a sequence: angle, frame,\nangle, frame, etc."]
        Frame { time: u32 },
    }
    impl super::MessageGroup for Event {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "source",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "angle",
                since: 1,
                signature: &[super::ArgumentType::Fixed],
            },
            super::MessageDesc {
                name: "stop",
                since: 1,
                signature: &[],
            },
            super::MessageDesc {
                name: "frame",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Event::Source { .. } => 0,
                Event::Angle { .. } => 1,
                Event::Stop => 2,
                Event::Frame { .. } => 3,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            panic!("Event::from_raw can not be used Server-side.")
        }
        fn into_raw(self, sender_id: u32) -> Message {
            match self {
                Event::Source { source } => Message {
                    sender_id: sender_id,
                    opcode: 0,
                    args: vec![Argument::Uint(source.to_raw())],
                },
                Event::Angle { degrees } => Message {
                    sender_id: sender_id,
                    opcode: 1,
                    args: vec![Argument::Fixed((degrees * 256.) as i32)],
                },
                Event::Stop => Message {
                    sender_id: sender_id,
                    opcode: 2,
                    args: vec![],
                },
                Event::Frame { time } => Message {
                    sender_id: sender_id,
                    opcode: 3,
                    args: vec![Argument::Uint(time)],
                },
            }
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Event, ()> {
            panic!("Event::from_raw_c can not be used Server-side.")
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            match self {
                Event::Source { source } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = source.to_raw();
                    f(0, &mut _args_array)
                }
                Event::Angle { degrees } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].f = (degrees * 256.) as i32;
                    f(1, &mut _args_array)
                }
                Event::Stop => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(2, &mut _args_array)
                }
                Event::Frame { time } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = time;
                    f(3, &mut _args_array)
                }
            }
        }
    }
    pub struct ZwpTabletPadRingV2;
    impl Interface for ZwpTabletPadRingV2 {
        type Request = Request;
        type Event = Event;
        const NAME: &'static str = "zwp_tablet_pad_ring_v2";
        const VERSION: u32 = 1;
        fn c_interface() -> *const wl_interface {
            unsafe { &super::super::c_interfaces::zwp_tablet_pad_ring_v2_interface }
        }
    }
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_SET_FEEDBACK_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_DESTROY_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_SOURCE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_ANGLE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_STOP_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_FRAME_SINCE: u16 = 1u16;
}
#[doc = "pad strip\n\nA linear interaction area, such as the strips found in Wacom Cintiq\nmodels.\n\nEvents on a strip are logically grouped by the wl_tablet_pad_strip.frame\nevent."]
pub mod zwp_tablet_pad_strip_v2 {
    use super::sys::common::{wl_argument, wl_array, wl_interface};
    use super::sys::server::*;
    use super::{
        AnonymousObject, Argument, ArgumentType, Interface, Message, MessageDesc, MessageGroup,
        NewResource, Object, ObjectMetadata, Resource,
    };
    #[doc = "strip axis source\n\nDescribes the source types for strip events. This indicates to the\nclient how a strip event was physically generated; a client may\nadjust the user interface accordingly. For example, events\nfrom a \"finger\" source may trigger kinetic scrolling."]
    #[repr(u32)]
    #[derive(Copy, Clone, Debug, PartialEq)]
    pub enum Source {
        #[doc = "finger"]
        Finger = 1,
    }
    impl Source {
        pub fn from_raw(n: u32) -> Option<Source> {
            match n {
                1 => Some(Source::Finger),
                _ => Option::None,
            }
        }
        pub fn to_raw(&self) -> u32 {
            *self as u32
        }
    }
    pub enum Request {
        #[doc = "set compositor feedback\n\nRequests the compositor to use the provided feedback string\nassociated with this strip. This request should be issued immediately\nafter a wp_tablet_pad_group.mode_switch event from the corresponding\ngroup is received, or whenever the strip is mapped to a different\naction. See wp_tablet_pad_group.mode_switch for more details.\n\nClients are encouraged to provide context-aware descriptions for\nthe actions associated with the strip, and compositors may use this\ninformation to offer visual feedback about the button layout\n(eg. on-screen displays).\n\nThe provided string 'description' is a UTF-8 encoded string to be\nassociated with this ring, and is considered user-visible; general\ninternationalization rules apply.\n\nThe serial argument will be that of the last\nwp_tablet_pad_group.mode_switch event received for the group of this\nstrip. Requests providing other serials than the most recent one will be\nignored."]
        SetFeedback { description: String, serial: u32 },
        #[doc = "destroy the strip object\n\nThis destroys the client's resource for this strip object.\n\nThis is a destructor, once received this object cannot be used any longer."]
        Destroy,
    }
    impl super::MessageGroup for Request {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "set_feedback",
                since: 1,
                signature: &[super::ArgumentType::Str, super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "destroy",
                since: 1,
                signature: &[],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                Request::Destroy => true,
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Request::SetFeedback { .. } => 0,
                Request::Destroy => 1,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            match msg.opcode {
                0 => {
                    let mut args = msg.args.into_iter();
                    Ok(Request::SetFeedback {
                        description: {
                            if let Some(Argument::Str(val)) = args.next() {
                                let s = String::from_utf8(val.into_bytes()).unwrap_or_else(|e| {
                                    String::from_utf8_lossy(&e.into_bytes()).into()
                                });
                                s
                            } else {
                                return Err(());
                            }
                        },
                        serial: {
                            if let Some(Argument::Uint(val)) = args.next() {
                                val
                            } else {
                                return Err(());
                            }
                        },
                    })
                }
                1 => Ok(Request::Destroy),
                _ => Err(()),
            }
        }
        fn into_raw(self, sender_id: u32) -> Message {
            panic!("Request::into_raw can not be used Server-side.")
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Request, ()> {
            match opcode {
                0 => {
                    let _args = ::std::slice::from_raw_parts(args, 2);
                    Ok(Request::SetFeedback {
                        description: ::std::ffi::CStr::from_ptr(_args[0].s)
                            .to_string_lossy()
                            .into_owned(),
                        serial: _args[1].u,
                    })
                }
                1 => Ok(Request::Destroy),
                _ => return Err(()),
            }
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            panic!("Request::as_raw_c_in can not be used Server-side.")
        }
    }
    pub enum Event {
        #[doc = "strip event source\n\nSource information for strip events.\n\nThis event does not occur on its own. It is sent before a\nwp_tablet_pad_strip.frame event and carries the source information\nfor all events within that frame.\n\nThe source specifies how this event was generated. If the source is\nwp_tablet_pad_strip.source.finger, a wp_tablet_pad_strip.stop event\nwill be sent when the user lifts their finger off the device.\n\nThis event is optional. If the source is unknown for an interaction,\nno event is sent."]
        Source { source: Source },
        #[doc = "position changed\n\nSent whenever the position on a strip changes.\n\nThe position is normalized to a range of [0, 65535], the 0-value\nrepresents the top-most and/or left-most position of the strip in\nthe pad's current rotation."]
        Position { position: u32 },
        #[doc = "interaction stopped\n\nStop notification for strip events.\n\nFor some wp_tablet_pad_strip.source types, a wp_tablet_pad_strip.stop\nevent is sent to notify a client that the interaction with the strip\nhas terminated. This enables the client to implement kinetic\nscrolling. See the wp_tablet_pad_strip.source documentation for\ninformation on when this event may be generated.\n\nAny wp_tablet_pad_strip.position events with the same source after this\nevent should be considered as the start of a new interaction."]
        Stop,
        #[doc = "end of a strip event sequence\n\nIndicates the end of a set of events that represent one logical\nhardware strip event. A client is expected to accumulate the data\nin all events within the frame before proceeding.\n\nAll wp_tablet_pad_strip events before a wp_tablet_pad_strip.frame event belong\nlogically together. For example, on termination of a finger interaction\non a strip the compositor will send a wp_tablet_pad_strip.source event,\na wp_tablet_pad_strip.stop event and a wp_tablet_pad_strip.frame\nevent.\n\nA wp_tablet_pad_strip.frame event is sent for every logical event\ngroup, even if the group only contains a single wp_tablet_pad_strip\nevent. Specifically, a client may get a sequence: position, frame,\nposition, frame, etc."]
        Frame { time: u32 },
    }
    impl super::MessageGroup for Event {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "source",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "position",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "stop",
                since: 1,
                signature: &[],
            },
            super::MessageDesc {
                name: "frame",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Event::Source { .. } => 0,
                Event::Position { .. } => 1,
                Event::Stop => 2,
                Event::Frame { .. } => 3,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            panic!("Event::from_raw can not be used Server-side.")
        }
        fn into_raw(self, sender_id: u32) -> Message {
            match self {
                Event::Source { source } => Message {
                    sender_id: sender_id,
                    opcode: 0,
                    args: vec![Argument::Uint(source.to_raw())],
                },
                Event::Position { position } => Message {
                    sender_id: sender_id,
                    opcode: 1,
                    args: vec![Argument::Uint(position)],
                },
                Event::Stop => Message {
                    sender_id: sender_id,
                    opcode: 2,
                    args: vec![],
                },
                Event::Frame { time } => Message {
                    sender_id: sender_id,
                    opcode: 3,
                    args: vec![Argument::Uint(time)],
                },
            }
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Event, ()> {
            panic!("Event::from_raw_c can not be used Server-side.")
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            match self {
                Event::Source { source } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = source.to_raw();
                    f(0, &mut _args_array)
                }
                Event::Position { position } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = position;
                    f(1, &mut _args_array)
                }
                Event::Stop => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(2, &mut _args_array)
                }
                Event::Frame { time } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = time;
                    f(3, &mut _args_array)
                }
            }
        }
    }
    pub struct ZwpTabletPadStripV2;
    impl Interface for ZwpTabletPadStripV2 {
        type Request = Request;
        type Event = Event;
        const NAME: &'static str = "zwp_tablet_pad_strip_v2";
        const VERSION: u32 = 1;
        fn c_interface() -> *const wl_interface {
            unsafe { &super::super::c_interfaces::zwp_tablet_pad_strip_v2_interface }
        }
    }
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_SET_FEEDBACK_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_DESTROY_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_SOURCE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_POSITION_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_STOP_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_FRAME_SINCE: u16 = 1u16;
}
#[doc = "a set of buttons, rings and strips\n\nA pad group describes a distinct (sub)set of buttons, rings and strips\npresent in the tablet. The criteria of this grouping is usually positional,\neg. if a tablet has buttons on the left and right side, 2 groups will be\npresented. The physical arrangement of groups is undisclosed and may\nchange on the fly.\n\nPad groups will announce their features during pad initialization. Between\nthe corresponding wp_tablet_pad.group event and wp_tablet_pad_group.done, the\npad group will announce the buttons, rings and strips contained in it,\nplus the number of supported modes.\n\nModes are a mechanism to allow multiple groups of actions for every element\nin the pad group. The number of groups and available modes in each is\npersistent across device plugs. The current mode is user-switchable, it\nwill be announced through the wp_tablet_pad_group.mode_switch event both\nwhenever it is switched, and after wp_tablet_pad.enter.\n\nThe current mode logically applies to all elements in the pad group,\nalthough it is at clients' discretion whether to actually perform different\nactions, and/or issue the respective .set_feedback requests to notify the\ncompositor. See the wp_tablet_pad_group.mode_switch event for more details."]
pub mod zwp_tablet_pad_group_v2 {
    use super::sys::common::{wl_argument, wl_array, wl_interface};
    use super::sys::server::*;
    use super::{
        AnonymousObject, Argument, ArgumentType, Interface, Message, MessageDesc, MessageGroup,
        NewResource, Object, ObjectMetadata, Resource,
    };
    pub enum Request {
        #[doc = "destroy the pad object\n\nDestroy the wp_tablet_pad_group object. Objects created from this object\nare unaffected and should be destroyed separately.\n\nThis is a destructor, once received this object cannot be used any longer."]
        Destroy,
    }
    impl super::MessageGroup for Request {
        const MESSAGES: &'static [super::MessageDesc] = &[super::MessageDesc {
            name: "destroy",
            since: 1,
            signature: &[],
        }];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                Request::Destroy => true,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Request::Destroy => 0,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            match msg.opcode {
                0 => Ok(Request::Destroy),
                _ => Err(()),
            }
        }
        fn into_raw(self, sender_id: u32) -> Message {
            panic!("Request::into_raw can not be used Server-side.")
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Request, ()> {
            match opcode {
                0 => Ok(Request::Destroy),
                _ => return Err(()),
            }
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            panic!("Request::as_raw_c_in can not be used Server-side.")
        }
    }
    pub enum Event {
        #[doc = "buttons announced\n\nSent on wp_tablet_pad_group initialization to announce the available\nbuttons in the group. Button indices start at 0, a button may only be\nin one group at a time.\n\nThis event is first sent in the initial burst of events before the\nwp_tablet_pad_group.done event.\n\nSome buttons are reserved by the compositor. These buttons may not be\nassigned to any wp_tablet_pad_group. Compositors may broadcast this\nevent in the case of changes to the mapping of these reserved buttons.\nIf the compositor happens to reserve all buttons in a group, this event\nwill be sent with an empty array."]
        Buttons { buttons: Vec<u8> },
        #[doc = "ring announced\n\nSent on wp_tablet_pad_group initialization to announce available rings.\nOne event is sent for each ring available on this pad group.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_pad_group.done event."]
        Ring {
            ring: Resource<super::zwp_tablet_pad_ring_v2::ZwpTabletPadRingV2>,
        },
        #[doc = "strip announced\n\nSent on wp_tablet_pad initialization to announce available strips.\nOne event is sent for each strip available on this pad group.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_pad_group.done event."]
        Strip {
            strip: Resource<super::zwp_tablet_pad_strip_v2::ZwpTabletPadStripV2>,
        },
        #[doc = "mode-switch ability announced\n\nSent on wp_tablet_pad_group initialization to announce that the pad\ngroup may switch between modes. A client may use a mode to store a\nspecific configuration for buttons, rings and strips and use the\nwl_tablet_pad_group.mode_switch event to toggle between these\nconfigurations. Mode indices start at 0.\n\nSwitching modes is compositor-dependent. See the\nwp_tablet_pad_group.mode_switch event for more details.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_pad_group.done event. This event is only sent when more than\nmore than one mode is available."]
        Modes { modes: u32 },
        #[doc = "tablet group description events sequence complete\n\nThis event is sent immediately to signal the end of the initial\nburst of descriptive events. A client may consider the static\ndescription of the tablet to be complete and finalize initialization\nof the tablet group."]
        Done,
        #[doc = "mode switch event\n\nNotification that the mode was switched.\n\nA mode applies to all buttons, rings and strips in a group\nsimultaneously, but a client is not required to assign different actions\nfor each mode. For example, a client may have mode-specific button\nmappings but map the ring to vertical scrolling in all modes. Mode\nindices start at 0.\n\nSwitching modes is compositor-dependent. The compositor may provide\nvisual cues to the client about the mode, e.g. by toggling LEDs on\nthe tablet device. Mode-switching may be software-controlled or\ncontrolled by one or more physical buttons. For example, on a Wacom\nIntuos Pro, the button inside the ring may be assigned to switch\nbetween modes.\n\nThe compositor will also send this event after wp_tablet_pad.enter on\neach group in order to notify of the current mode. Groups that only\nfeature one mode will use mode=0 when emitting this event.\n\nIf a button action in the new mode differs from the action in the\nprevious mode, the client should immediately issue a\nwp_tablet_pad.set_feedback request for each changed button.\n\nIf a ring or strip action in the new mode differs from the action\nin the previous mode, the client should immediately issue a\nwp_tablet_ring.set_feedback or wp_tablet_strip.set_feedback request\nfor each changed ring or strip."]
        ModeSwitch { time: u32, serial: u32, mode: u32 },
    }
    impl super::MessageGroup for Event {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "buttons",
                since: 1,
                signature: &[super::ArgumentType::Array],
            },
            super::MessageDesc {
                name: "ring",
                since: 1,
                signature: &[super::ArgumentType::NewId],
            },
            super::MessageDesc {
                name: "strip",
                since: 1,
                signature: &[super::ArgumentType::NewId],
            },
            super::MessageDesc {
                name: "modes",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "done",
                since: 1,
                signature: &[],
            },
            super::MessageDesc {
                name: "mode_switch",
                since: 1,
                signature: &[
                    super::ArgumentType::Uint,
                    super::ArgumentType::Uint,
                    super::ArgumentType::Uint,
                ],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Event::Buttons { .. } => 0,
                Event::Ring { .. } => 1,
                Event::Strip { .. } => 2,
                Event::Modes { .. } => 3,
                Event::Done => 4,
                Event::ModeSwitch { .. } => 5,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                1 => Some(Object::from_interface::<
                    super::zwp_tablet_pad_ring_v2::ZwpTabletPadRingV2,
                >(version, meta.child())),
                2 => Some(Object::from_interface::<
                    super::zwp_tablet_pad_strip_v2::ZwpTabletPadStripV2,
                >(version, meta.child())),
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            panic!("Event::from_raw can not be used Server-side.")
        }
        fn into_raw(self, sender_id: u32) -> Message {
            match self {
                Event::Buttons { buttons } => Message {
                    sender_id: sender_id,
                    opcode: 0,
                    args: vec![Argument::Array(buttons)],
                },
                Event::Ring { ring } => Message {
                    sender_id: sender_id,
                    opcode: 1,
                    args: vec![Argument::NewId(ring.id())],
                },
                Event::Strip { strip } => Message {
                    sender_id: sender_id,
                    opcode: 2,
                    args: vec![Argument::NewId(strip.id())],
                },
                Event::Modes { modes } => Message {
                    sender_id: sender_id,
                    opcode: 3,
                    args: vec![Argument::Uint(modes)],
                },
                Event::Done => Message {
                    sender_id: sender_id,
                    opcode: 4,
                    args: vec![],
                },
                Event::ModeSwitch { time, serial, mode } => Message {
                    sender_id: sender_id,
                    opcode: 5,
                    args: vec![
                        Argument::Uint(time),
                        Argument::Uint(serial),
                        Argument::Uint(mode),
                    ],
                },
            }
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Event, ()> {
            panic!("Event::from_raw_c can not be used Server-side.")
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            match self {
                Event::Buttons { buttons } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    let _arg_0 = wl_array {
                        size: buttons.len(),
                        alloc: buttons.capacity(),
                        data: buttons.as_ptr() as *mut _,
                    };
                    _args_array[0].a = &_arg_0;
                    f(0, &mut _args_array)
                }
                Event::Ring { ring } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].o = ring.c_ptr() as *mut _;
                    f(1, &mut _args_array)
                }
                Event::Strip { strip } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].o = strip.c_ptr() as *mut _;
                    f(2, &mut _args_array)
                }
                Event::Modes { modes } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = modes;
                    f(3, &mut _args_array)
                }
                Event::Done => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(4, &mut _args_array)
                }
                Event::ModeSwitch { time, serial, mode } => {
                    let mut _args_array: [wl_argument; 3] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = time;
                    _args_array[1].u = serial;
                    _args_array[2].u = mode;
                    f(5, &mut _args_array)
                }
            }
        }
    }
    pub struct ZwpTabletPadGroupV2;
    impl Interface for ZwpTabletPadGroupV2 {
        type Request = Request;
        type Event = Event;
        const NAME: &'static str = "zwp_tablet_pad_group_v2";
        const VERSION: u32 = 1;
        fn c_interface() -> *const wl_interface {
            unsafe { &super::super::c_interfaces::zwp_tablet_pad_group_v2_interface }
        }
    }
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_DESTROY_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_BUTTONS_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_RING_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_STRIP_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_MODES_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_DONE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_MODE_SWITCH_SINCE: u16 = 1u16;
}
#[doc = "a set of buttons, rings and strips\n\nA pad device is a set of buttons, rings and strips\nusually physically present on the tablet device itself. Some\nexceptions exist where the pad device is physically detached, e.g. the\nWacom ExpressKey Remote.\n\nPad devices have no axes that control the cursor and are generally\nauxiliary devices to the tool devices used on the tablet surface.\n\nA pad device has a number of static characteristics, e.g. the number\nof rings. These capabilities are sent in an event sequence after the\nwp_tablet_seat.pad_added event before any actual events from this pad.\nThis initial event sequence is terminated by a wp_tablet_pad.done\nevent.\n\nAll pad features (buttons, rings and strips) are logically divided into\ngroups and all pads have at least one group. The available groups are\nnotified through the wp_tablet_pad.group event; the compositor will\nemit one event per group before emitting wp_tablet_pad.done.\n\nGroups may have multiple modes. Modes allow clients to map multiple\nactions to a single pad feature. Only one mode can be active per group,\nalthough different groups may have different active modes."]
pub mod zwp_tablet_pad_v2 {
    use super::sys::common::{wl_argument, wl_array, wl_interface};
    use super::sys::server::*;
    use super::{
        AnonymousObject, Argument, ArgumentType, Interface, Message, MessageDesc, MessageGroup,
        NewResource, Object, ObjectMetadata, Resource,
    };
    #[doc = "physical button state\n\nDescribes the physical state of a button that caused the button\nevent."]
    #[repr(u32)]
    #[derive(Copy, Clone, Debug, PartialEq)]
    pub enum ButtonState {
        #[doc = "the button is not pressed"]
        Released = 0,
        #[doc = "the button is pressed"]
        Pressed = 1,
    }
    impl ButtonState {
        pub fn from_raw(n: u32) -> Option<ButtonState> {
            match n {
                0 => Some(ButtonState::Released),
                1 => Some(ButtonState::Pressed),
                _ => Option::None,
            }
        }
        pub fn to_raw(&self) -> u32 {
            *self as u32
        }
    }
    pub enum Request {
        #[doc = "set compositor feedback\n\nRequests the compositor to use the provided feedback string\nassociated with this button. This request should be issued immediately\nafter a wp_tablet_pad_group.mode_switch event from the corresponding\ngroup is received, or whenever a button is mapped to a different\naction. See wp_tablet_pad_group.mode_switch for more details.\n\nClients are encouraged to provide context-aware descriptions for\nthe actions associated with each button, and compositors may use\nthis information to offer visual feedback on the button layout\n(e.g. on-screen displays).\n\nButton indices start at 0. Setting the feedback string on a button\nthat is reserved by the compositor (i.e. not belonging to any\nwp_tablet_pad_group) does not generate an error but the compositor\nis free to ignore the request.\n\nThe provided string 'description' is a UTF-8 encoded string to be\nassociated with this ring, and is considered user-visible; general\ninternationalization rules apply.\n\nThe serial argument will be that of the last\nwp_tablet_pad_group.mode_switch event received for the group of this\nbutton. Requests providing other serials than the most recent one will\nbe ignored."]
        SetFeedback {
            button: u32,
            description: String,
            serial: u32,
        },
        #[doc = "destroy the pad object\n\nDestroy the wp_tablet_pad object. Objects created from this object\nare unaffected and should be destroyed separately.\n\nThis is a destructor, once received this object cannot be used any longer."]
        Destroy,
    }
    impl super::MessageGroup for Request {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "set_feedback",
                since: 1,
                signature: &[
                    super::ArgumentType::Uint,
                    super::ArgumentType::Str,
                    super::ArgumentType::Uint,
                ],
            },
            super::MessageDesc {
                name: "destroy",
                since: 1,
                signature: &[],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                Request::Destroy => true,
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Request::SetFeedback { .. } => 0,
                Request::Destroy => 1,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            match msg.opcode {
                0 => {
                    let mut args = msg.args.into_iter();
                    Ok(Request::SetFeedback {
                        button: {
                            if let Some(Argument::Uint(val)) = args.next() {
                                val
                            } else {
                                return Err(());
                            }
                        },
                        description: {
                            if let Some(Argument::Str(val)) = args.next() {
                                let s = String::from_utf8(val.into_bytes()).unwrap_or_else(|e| {
                                    String::from_utf8_lossy(&e.into_bytes()).into()
                                });
                                s
                            } else {
                                return Err(());
                            }
                        },
                        serial: {
                            if let Some(Argument::Uint(val)) = args.next() {
                                val
                            } else {
                                return Err(());
                            }
                        },
                    })
                }
                1 => Ok(Request::Destroy),
                _ => Err(()),
            }
        }
        fn into_raw(self, sender_id: u32) -> Message {
            panic!("Request::into_raw can not be used Server-side.")
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Request, ()> {
            match opcode {
                0 => {
                    let _args = ::std::slice::from_raw_parts(args, 3);
                    Ok(Request::SetFeedback {
                        button: _args[0].u,
                        description: ::std::ffi::CStr::from_ptr(_args[1].s)
                            .to_string_lossy()
                            .into_owned(),
                        serial: _args[2].u,
                    })
                }
                1 => Ok(Request::Destroy),
                _ => return Err(()),
            }
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            panic!("Request::as_raw_c_in can not be used Server-side.")
        }
    }
    pub enum Event {
        #[doc = "group announced\n\nSent on wp_tablet_pad initialization to announce available groups.\nOne event is sent for each pad group available.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_pad.done event. At least one group will be announced."]
        Group {
            pad_group: Resource<super::zwp_tablet_pad_group_v2::ZwpTabletPadGroupV2>,
        },
        #[doc = "path to the device\n\nA system-specific device path that indicates which device is behind\nthis wp_tablet_pad. This information may be used to gather additional\ninformation about the device, e.g. through libwacom.\n\nThe format of the path is unspecified, it may be a device node, a\nsysfs path, or some other identifier. It is up to the client to\nidentify the string provided.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_pad.done event."]
        Path { path: String },
        #[doc = "buttons announced\n\nSent on wp_tablet_pad initialization to announce the available\nbuttons.\n\nThis event is sent in the initial burst of events before the\nwp_tablet_pad.done event. This event is only sent when at least one\nbutton is available."]
        Buttons { buttons: u32 },
        #[doc = "pad description event sequence complete\n\nThis event signals the end of the initial burst of descriptive\nevents. A client may consider the static description of the pad to\nbe complete and finalize initialization of the pad."]
        Done,
        #[doc = "physical button state\n\nSent whenever the physical state of a button changes."]
        Button {
            time: u32,
            button: u32,
            state: ButtonState,
        },
        #[doc = "enter event\n\nNotification that this pad is focused on the specified surface."]
        Enter {
            serial: u32,
            tablet: Resource<super::zwp_tablet_v2::ZwpTabletV2>,
            surface: Resource<super::wl_surface::WlSurface>,
        },
        #[doc = "enter event\n\nNotification that this pad is no longer focused on the specified\nsurface."]
        Leave {
            serial: u32,
            surface: Resource<super::wl_surface::WlSurface>,
        },
        #[doc = "pad removed event\n\nSent when the pad has been removed from the system. When a tablet\nis removed its pad(s) will be removed too.\n\nWhen this event is received, the client must destroy all rings, strips\nand groups that were offered by this pad, and issue wp_tablet_pad.destroy\nthe pad itself."]
        Removed,
    }
    impl super::MessageGroup for Event {
        const MESSAGES: &'static [super::MessageDesc] = &[
            super::MessageDesc {
                name: "group",
                since: 1,
                signature: &[super::ArgumentType::NewId],
            },
            super::MessageDesc {
                name: "path",
                since: 1,
                signature: &[super::ArgumentType::Str],
            },
            super::MessageDesc {
                name: "buttons",
                since: 1,
                signature: &[super::ArgumentType::Uint],
            },
            super::MessageDesc {
                name: "done",
                since: 1,
                signature: &[],
            },
            super::MessageDesc {
                name: "button",
                since: 1,
                signature: &[
                    super::ArgumentType::Uint,
                    super::ArgumentType::Uint,
                    super::ArgumentType::Uint,
                ],
            },
            super::MessageDesc {
                name: "enter",
                since: 1,
                signature: &[
                    super::ArgumentType::Uint,
                    super::ArgumentType::Object,
                    super::ArgumentType::Object,
                ],
            },
            super::MessageDesc {
                name: "leave",
                since: 1,
                signature: &[super::ArgumentType::Uint, super::ArgumentType::Object],
            },
            super::MessageDesc {
                name: "removed",
                since: 1,
                signature: &[],
            },
        ];
        type Map = super::ResourceMap;
        fn is_destructor(&self) -> bool {
            match *self {
                _ => false,
            }
        }
        fn opcode(&self) -> u16 {
            match *self {
                Event::Group { .. } => 0,
                Event::Path { .. } => 1,
                Event::Buttons { .. } => 2,
                Event::Done => 3,
                Event::Button { .. } => 4,
                Event::Enter { .. } => 5,
                Event::Leave { .. } => 6,
                Event::Removed => 7,
            }
        }
        fn child<Meta: ObjectMetadata>(
            opcode: u16,
            version: u32,
            meta: &Meta,
        ) -> Option<Object<Meta>> {
            match opcode {
                0 => Some(Object::from_interface::<
                    super::zwp_tablet_pad_group_v2::ZwpTabletPadGroupV2,
                >(version, meta.child())),
                _ => None,
            }
        }
        fn from_raw(msg: Message, map: &mut Self::Map) -> Result<Self, ()> {
            panic!("Event::from_raw can not be used Server-side.")
        }
        fn into_raw(self, sender_id: u32) -> Message {
            match self {
                Event::Group { pad_group } => Message {
                    sender_id: sender_id,
                    opcode: 0,
                    args: vec![Argument::NewId(pad_group.id())],
                },
                Event::Path { path } => Message {
                    sender_id: sender_id,
                    opcode: 1,
                    args: vec![Argument::Str(unsafe {
                        ::std::ffi::CString::from_vec_unchecked(path.into())
                    })],
                },
                Event::Buttons { buttons } => Message {
                    sender_id: sender_id,
                    opcode: 2,
                    args: vec![Argument::Uint(buttons)],
                },
                Event::Done => Message {
                    sender_id: sender_id,
                    opcode: 3,
                    args: vec![],
                },
                Event::Button {
                    time,
                    button,
                    state,
                } => Message {
                    sender_id: sender_id,
                    opcode: 4,
                    args: vec![
                        Argument::Uint(time),
                        Argument::Uint(button),
                        Argument::Uint(state.to_raw()),
                    ],
                },
                Event::Enter {
                    serial,
                    tablet,
                    surface,
                } => Message {
                    sender_id: sender_id,
                    opcode: 5,
                    args: vec![
                        Argument::Uint(serial),
                        Argument::Object(tablet.id()),
                        Argument::Object(surface.id()),
                    ],
                },
                Event::Leave { serial, surface } => Message {
                    sender_id: sender_id,
                    opcode: 6,
                    args: vec![Argument::Uint(serial), Argument::Object(surface.id())],
                },
                Event::Removed => Message {
                    sender_id: sender_id,
                    opcode: 7,
                    args: vec![],
                },
            }
        }
        unsafe fn from_raw_c(
            obj: *mut ::std::os::raw::c_void,
            opcode: u32,
            args: *const wl_argument,
        ) -> Result<Event, ()> {
            panic!("Event::from_raw_c can not be used Server-side.")
        }
        fn as_raw_c_in<F, T>(self, f: F) -> T
        where
            F: FnOnce(u32, &mut [wl_argument]) -> T,
        {
            match self {
                Event::Group { pad_group } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].o = pad_group.c_ptr() as *mut _;
                    f(0, &mut _args_array)
                }
                Event::Path { path } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    let _arg_0 = ::std::ffi::CString::new(path).unwrap();
                    _args_array[0].s = _arg_0.as_ptr();
                    f(1, &mut _args_array)
                }
                Event::Buttons { buttons } => {
                    let mut _args_array: [wl_argument; 1] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = buttons;
                    f(2, &mut _args_array)
                }
                Event::Done => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(3, &mut _args_array)
                }
                Event::Button {
                    time,
                    button,
                    state,
                } => {
                    let mut _args_array: [wl_argument; 3] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = time;
                    _args_array[1].u = button;
                    _args_array[2].u = state.to_raw();
                    f(4, &mut _args_array)
                }
                Event::Enter {
                    serial,
                    tablet,
                    surface,
                } => {
                    let mut _args_array: [wl_argument; 3] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = serial;
                    _args_array[1].o = tablet.c_ptr() as *mut _;
                    _args_array[2].o = surface.c_ptr() as *mut _;
                    f(5, &mut _args_array)
                }
                Event::Leave { serial, surface } => {
                    let mut _args_array: [wl_argument; 2] = unsafe { ::std::mem::zeroed() };
                    _args_array[0].u = serial;
                    _args_array[1].o = surface.c_ptr() as *mut _;
                    f(6, &mut _args_array)
                }
                Event::Removed => {
                    let mut _args_array: [wl_argument; 0] = unsafe { ::std::mem::zeroed() };
                    f(7, &mut _args_array)
                }
            }
        }
    }
    pub struct ZwpTabletPadV2;
    impl Interface for ZwpTabletPadV2 {
        type Request = Request;
        type Event = Event;
        const NAME: &'static str = "zwp_tablet_pad_v2";
        const VERSION: u32 = 1;
        fn c_interface() -> *const wl_interface {
            unsafe { &super::super::c_interfaces::zwp_tablet_pad_v2_interface }
        }
    }
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_SET_FEEDBACK_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this request"]
    pub const REQ_DESTROY_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_GROUP_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_PATH_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_BUTTONS_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_DONE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_BUTTON_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_ENTER_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_LEAVE_SINCE: u16 = 1u16;
    #[doc = r" The minimal object version supporting this event"]
    pub const EVT_REMOVED_SINCE: u16 = 1u16;
}