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63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
#ifndef SC_KEY_PROCESSOR_H
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#define SC_KEY_PROCESSOR_H
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#include "common.h"
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#include <assert.h>
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#include <stdbool.h>
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#include "input_events.h"
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/**
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* Key processor trait.
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*
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* Component able to process and inject keys should implement this trait.
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*/
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struct sc_key_processor {
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/**
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* Set by the implementation to indicate that it must explicitly wait for
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* the clipboard to be set on the device before injecting Ctrl+v to avoid
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* race conditions. If it is set, the input_manager will pass a valid
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* ack_to_wait to process_key() in case of clipboard synchronization
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* resulting of the key event.
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*/
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bool async_paste;
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/**
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* Set by the implementation to indicate that the keyboard is HID. In
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* practice, it is used to react on a shortcut to open the hard keyboard
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* settings only if the keyboard is HID.
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*/
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bool hid;
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const struct sc_key_processor_ops *ops;
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};
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struct sc_key_processor_ops {
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/**
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* Process a keyboard event
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*
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* The `sequence` number (if different from `SC_SEQUENCE_INVALID`) indicates
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* the acknowledgement number to wait for before injecting this event.
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* This allows to ensure that the device clipboard is set before injecting
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* Ctrl+v on the device.
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*
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* This function is mandatory.
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*/
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void
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(*process_key)(struct sc_key_processor *kp,
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const struct sc_key_event *event, uint64_t ack_to_wait);
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/**
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* Process an input text
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*
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* This function is optional.
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*/
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void
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(*process_text)(struct sc_key_processor *kp,
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const struct sc_text_event *event);
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};
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#endif
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