Man page - wayland_server_keyboard_t(3)

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Manual

wayland::server::keyboard_t

NAME
SYNOPSIS
Public Member Functions
Static Public Attributes
Detailed Description
Member Function Documentation
bool keyboard_t::can_repeat_info () const
void keyboard_t::enter (uint32_t serial, surface_t const & surface, array_tconst & keys, bool post = true)
std::string wayland::server::resource_t::get_class () [inherited]
client_t wayland::server::resource_t::get_client () const [inherited]
uint32_t wayland::server::resource_t::get_id () const [inherited]
unsigned int wayland::server::resource_t::get_version () const [inherited]
void keyboard_t::key (uint32_t serial, uint32_t time, uint32_t key,keyboard_key_state const & state, bool post = true)
void keyboard_t::keymap (keyboard_keymap_format const & format, int fd,uint32_t size, bool post = true)
void keyboard_t::leave (uint32_t serial, surface_t const & surface, boolpost = true)
void keyboard_t::modifiers (uint32_t serial, uint32_t mods_depressed,uint32_t mods_latched, uint32_t mods_locked, uint32_t group, bool post= true)
std::function< void()> & keyboard_t::on_release ()
void wayland::server::resource_t::post_no_memory () const [inherited]
bool wayland::server::resource_t::proxy_has_object () const [inherited]
void keyboard_t::repeat_info (int32_t rate, int32_t delay, bool post =true)
Member Data Documentation
constexpr std::uint32_t wayland::server::keyboard_t::enter_since_version =1 [static], [constexpr]
constexpr std::uint32_t wayland::server::keyboard_t::key_since_version = 1[static], [constexpr]
constexpr std::uint32_t wayland::server::keyboard_t::keymap_since_version =1 [static], [constexpr]
constexpr std::uint32_t wayland::server::keyboard_t::leave_since_version =1 [static], [constexpr]
constexpr std::uint32_twayland::server::keyboard_t::modifiers_since_version = 1 [static],[constexpr]
constexpr std::uint32_twayland::server::keyboard_t::repeat_info_since_version = 4 [static],[constexpr]
Author

NAME

wayland::server::keyboard_t - keyboard input device

SYNOPSIS

#include <wayland-server-protocol.hpp>

Inherits wayland::server::resource_t.

Public Member Functions

std::function< void()> & on_release ()
release the keyboard object
void keymap (keyboard_keymap_format const &format, int fd, uint32_t size, bool post=true)
keyboard mapping
void enter (uint32_t serial, surface_t const &surface, array_t const &keys, bool post=true)
enter event
void leave (uint32_t serial, surface_t const &surface, bool post=true)
leave event
void key (uint32_t serial, uint32_t time, uint32_t key, keyboard_key_state const &state, bool post=true)
key event
void modifiers (uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group, bool post=true)
modifier and group state
void repeat_info (int32_t rate, int32_t delay, bool post=true)
repeat rate and delay
bool can_repeat_info () const
Check whether the repeat_info function is available with the currently bound version of the protocol.
bool proxy_has_object () const
Check whether this wrapper actually wraps an object.
void post_no_memory () const
uint32_t get_id () const
client_t get_client () const
unsigned int get_version () const
std::string get_class ()

Static Public Attributes

static constexpr std::uint32_t keymap_since_version = 1
Minimum protocol version required for the keymap function.
static constexpr std::uint32_t enter_since_version = 1
Minimum protocol version required for the enter function.
static constexpr std::uint32_t leave_since_version = 1
Minimum protocol version required for the leave function.
static constexpr std::uint32_t key_since_version = 1
Minimum protocol version required for the key function.
static constexpr std::uint32_t modifiers_since_version = 1
Minimum protocol version required for the modifiers function.
static constexpr std::uint32_t repeat_info_since_version = 4
Minimum protocol version required for the repeat_info function.

Detailed Description

keyboard input device

The wl_keyboard interface represents one or more keyboards associated with a seat.

Definition at line 3290 of file wayland-server-protocol.hpp .

Member Function Documentation

bool keyboard_t::can_repeat_info () const

Check whether the repeat_info function is available with the currently bound version of the protocol.

Definition at line 2822 of file wayland-server-protocol.cpp .

void keyboard_t::enter (uint32_t serial, surface_t const & surface, array_tconst & keys, bool post = true)

enter event

Parameters

serial serial number of the enter event
surface surface gaining keyboard focus
keys the currently pressed keys

Notification that this seat’s keyboard focus is on a certain surface.

The compositor must send the wl_keyboard.modifiers event after this event.

Definition at line 2797 of file wayland-server-protocol.cpp .

std::string wayland::server::resource_t::get_class () [inherited]

Retrieve the interface name (class) of a resource object.

Returns

Interface name of the resource object.

client_t wayland::server::resource_t::get_client () const [inherited]

Get the associated client

Returns

the client that owns the resource.

uint32_t wayland::server::resource_t::get_id () const [inherited]

Get the internal ID of the resource

Returns

the internal ID of the resource

unsigned int wayland::server::resource_t::get_version () const [inherited]

Get interface version

Returns

Interface version this resource has been constructed with.

void keyboard_t::key (uint32_t serial, uint32_t time, uint32_t key,keyboard_key_state const & state, bool post = true)

key event

Parameters

serial serial number of the key event
time timestamp with millisecond granularity
key key that produced the event
state physical state of the key

A key was pressed or released. The time argument is a timestamp with millisecond granularity, with an undefined base.

The key is a platform-specific key code that can be interpreted by feeding it to the keyboard mapping (see the keymap event).

If this event produces a change in modifiers, then the resulting wl_keyboard.modifiers event must be sent after this event.

Definition at line 2807 of file wayland-server-protocol.cpp .

void keyboard_t::keymap (keyboard_keymap_format const & format, int fd,uint32_t size, bool post = true)

keyboard mapping

Parameters

format keymap format
fd keymap file descriptor
size keymap size, in bytes

This event provides a file descriptor to the client which can be memory-mapped in read-only mode to provide a keyboard mapping description.

From version 7 onwards, the fd must be mapped with MAP_PRIVATE by the recipient, as MAP_SHARED may fail.

Definition at line 2792 of file wayland-server-protocol.cpp .

void keyboard_t::leave (uint32_t serial, surface_t const & surface, boolpost = true)

leave event

Parameters

serial serial number of the leave event
surface surface that lost keyboard focus

Notification that this seat’s keyboard focus is no longer on a certain surface.

The leave notification is sent before the enter notification for the new focus.

After this event client must assume that all keys, including modifiers, are lifted and also it must stop key repeating if there’s some going on.

Definition at line 2802 of file wayland-server-protocol.cpp .

void keyboard_t::modifiers (uint32_t serial, uint32_t mods_depressed,uint32_t mods_latched, uint32_t mods_locked, uint32_t group, bool post= true)

modifier and group state

Parameters

serial serial number of the modifiers event
mods_depressed depressed modifiers
mods_latched latched modifiers
mods_locked locked modifiers
group keyboard layout

Notifies clients that the modifier and/or group state has changed, and it should update its local state.

Definition at line 2812 of file wayland-server-protocol.cpp .

std::function< void()> & keyboard_t::on_release ()

release the keyboard object

Definition at line 2786 of file wayland-server-protocol.cpp .

void wayland::server::resource_t::post_no_memory () const [inherited]

Post ’not enough memory’ error to the client

If the compositor has not enough memory to fulfill a certail request of the client, this function can be called to notify the client of this circumstance.

bool wayland::server::resource_t::proxy_has_object () const [inherited]

Check whether this wrapper actually wraps an object.

Returns

true if there is an underlying object, false if this wrapper is empty

void keyboard_t::repeat_info (int32_t rate, int32_t delay, bool post =true)

repeat rate and delay

Parameters

rate the rate of repeating keys in characters per second
delay delay in milliseconds since key down until repeating starts

Informs the client about the keyboard’s repeat rate and delay.

This event is sent as soon as the wl_keyboard object has been created, and is guaranteed to be received by the client before any key press event.

Negative values for either rate or delay are illegal. A rate of zero will disable any repeating (regardless of the value of delay).

This event can be sent later on as well with a new value if necessary, so clients should continue listening for the event past the creation of wl_keyboard.

Definition at line 2817 of file wayland-server-protocol.cpp .

Member Data Documentation

constexpr std::uint32_t wayland::server::keyboard_t::enter_since_version =1 [static], [constexpr]

Minimum protocol version required for the enter function.

Definition at line 3356 of file wayland-server-protocol.hpp .

constexpr std::uint32_t wayland::server::keyboard_t::key_since_version = 1[static], [constexpr]

Minimum protocol version required for the key function.

Definition at line 3399 of file wayland-server-protocol.hpp .

constexpr std::uint32_t wayland::server::keyboard_t::keymap_since_version =1 [static], [constexpr]

Minimum protocol version required for the keymap function.

Definition at line 3338 of file wayland-server-protocol.hpp .

constexpr std::uint32_t wayland::server::keyboard_t::leave_since_version =1 [static], [constexpr]

Minimum protocol version required for the leave function.

Definition at line 3376 of file wayland-server-protocol.hpp .

constexpr std::uint32_twayland::server::keyboard_t::modifiers_since_version = 1 [static],[constexpr]

Minimum protocol version required for the modifiers function.

Definition at line 3416 of file wayland-server-protocol.hpp .

constexpr std::uint32_twayland::server::keyboard_t::repeat_info_since_version = 4 [static],[constexpr]

Minimum protocol version required for the repeat_info function.

Definition at line 3440 of file wayland-server-protocol.hpp .

Author

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