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#include <
input.h
>
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input_device_identifier_t
*(*
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create_device_identifier
)(
input_host_t
*host, const char *name, int32_t product_id, int32_t vendor_id,
input_bus_t
bus, const char *unique_id)
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input_device_definition_t
*(*
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create_device_definition
)(
input_host_t
*host)
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input_report_definition_t
*(*
|
create_input_report_definition
)(
input_host_t
*host)
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input_report_definition_t
*(*
|
create_output_report_definition
)(
input_host_t
*host)
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void(*
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free_report_definition
)(
input_host_t
*host,
input_report_definition_t
*report_def)
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void(*
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input_device_definition_add_report
)(
input_host_t
*host,
input_device_definition_t
*d,
input_report_definition_t
*r)
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void(*
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input_report_definition_add_collection
)(
input_host_t
*host,
input_report_definition_t
*report,
input_collection_id_t
id, int32_t arity)
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void(*
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input_report_definition_declare_usage_int
)(
input_host_t
*host,
input_report_definition_t
*report,
input_collection_id_t
id,
input_usage_t
usage, int32_t min, int32_t max, float resolution)
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void(*
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input_report_definition_declare_usages_bool
)(
input_host_t
*host,
input_report_definition_t
*report,
input_collection_id_t
id,
input_usage_t
*usage, size_t usage_count)
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input_device_handle_t
*(*
|
register_device
)(
input_host_t
*host,
input_device_identifier_t
*id,
input_device_definition_t
*d)
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void(*
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unregister_device
)(
input_host_t
*host,
input_device_handle_t
*handle)
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input_report_t
*(*
|
input_allocate_report
)(
input_host_t
*host,
input_report_definition_t
*r)
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void(*
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input_report_set_usage_int
)(
input_host_t
*host,
input_report_t
*r,
input_collection_id_t
id,
input_usage_t
usage, int32_t value, int32_t arity_index)
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void(*
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input_report_set_usage_bool
)(
input_host_t
*host,
input_report_t
*r,
input_collection_id_t
id,
input_usage_t
usage, bool value, int32_t arity_index)
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void(*
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report_event
)(
input_host_t
*host,
input_device_handle_t
*d,
input_report_t
*report)
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input_property_map_t
*(*
|
input_get_device_property_map
)(
input_host_t
*host,
input_device_identifier_t
*id)
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input_property_t
*(*
|
input_get_device_property
)(
input_host_t
*host,
input_property_map_t
*map, const char *key)
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const char *(*
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input_get_property_key
)(
input_host_t
*host,
input_property_t
*property)
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const char *(*
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input_get_property_value
)(
input_host_t
*host,
input_property_t
*property)
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void(*
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input_free_device_property
)(
input_host_t
*host,
input_property_t
*property)
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void(*
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input_free_device_property_map
)(
input_host_t
*host,
input_property_map_t
*map)
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Definition at line
409
of file
input.h
.
Allocates the device definition which will describe the input capabilities of a device. A device definition may be used to register as many devices as desired.
Definition at line
424
of file
input.h
.
Creates a device identifier with the given properties. The unique ID should be a string that precisely identifies a given piece of hardware. For example, an input device connected via Bluetooth could use its MAC address as its unique ID.
Definition at line
416
of file
input.h
.
Allocate either an input report, which the HAL will use to tell the host of incoming input events, or an output report, which the host will use to tell the HAL of desired state changes (e.g. setting an LED).
Definition at line
431
of file
input.h
.
Frees the report definition.
Definition at line
437
of file
input.h
.
Allocate a report that will contain all of the state as described by the given report.
Definition at line
488
of file
input.h
.
Append the report to the given input device.
Definition at line
442
of file
input.h
.
Frees the input_property_t*.
Definition at line
535
of file
input.h
.
Frees the input_property_map_t*.
Definition at line
540
of file
input.h
.
Retrieve a property for the device with the given key. Returns NULL if the key does not exist, or an input_property_t* that must be freed using
input_free_device_property()
. Using an input_property_t after the corresponding input_property_map_t is freed is undefined.
Definition at line
517
of file
input.h
.
Retrieve the set of properties for the device. The returned input_property_map_t* may be used to query specific properties via the input_get_device_property callback.
Definition at line
509
of file
input.h
.
Get the key for the input property. Returns NULL if the property is NULL. The returned const char* is owned by the input_property_t.
Definition at line
524
of file
input.h
.
Get the value for the input property. Returns NULL if the property is NULL. The returned const char* is owned by the input_property_t.
Definition at line
530
of file
input.h
.
Add a collection with the given arity and ID. A collection describes a set of logically grouped properties such as the X and Y coordinates of a single finger touch or the set of keys on a keyboard. The arity declares how many repeated instances of this collection will appear in whatever report it is attached to. The ID describes the type of grouping being represented by the collection. For example, a touchscreen capable of reporting up to 2 fingers simultaneously might have a collection with the X and Y coordinates, an arity of 2, and an ID of INPUT_COLLECTION_USAGE_TOUCHSCREEN. Any given ID may only be present once for a given report.
Definition at line
455
of file
input.h
.
Declare an int usage with the given properties. The report and collection defines where the usage is being declared.
Definition at line
462
of file
input.h
.
Declare a set of boolean usages with the given properties. The report and collection defines where the usages are being declared.
Definition at line
470
of file
input.h
.
Add a boolean usage value to a report.
Definition at line
499
of file
input.h
.
Add an int usage value to a report.
Definition at line
493
of file
input.h
.
Register a given input device definition. This notifies the host that an input device has been connected and gives a description of all its capabilities.
Definition at line
479
of file
input.h
.
Unregister the given device
Definition at line
483
of file
input.h
.
The documentation for this struct was generated from the following file:
-
hardware/libhardware/include/hardware/
input.h
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2019-10-02 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2019-10-02 UTC."],[],[]]
