circuitpython/shared-bindings/keypad/Event.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Dan Halbert for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "py/obj.h"
#include "py/objproperty.h"
#include "py/runtime.h"
#include "shared-bindings/keypad/Event.h"
#include "shared-bindings/supervisor/__init__.h"
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//| class Event:
//| """A key transition event."""
//| def __init__(self, key_number: int=0, pressed: bool=True, timestamp:Optional[int]=None) -> None:
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//| """Create a key transition event, which reports a key-pressed or key-released transition.
//|
//| :param int key_number: the key number
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//| :param bool pressed: ``True`` if the key was pressed; ``False`` if it was released.
//| :param int timestamp: The time in milliseconds that the keypress occurred in the `supervisor.ticks_ms` time system. If specified as None, the current value of `supervisor.ticks_ms` is used.
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//| """
//| ...
//|
STATIC mp_obj_t keypad_event_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
keypad_event_obj_t *self = m_new_obj(keypad_event_obj_t);
self->base.type = &keypad_event_type;
enum { ARG_key_number, ARG_pressed, ARG_timestamp };
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static const mp_arg_t allowed_args[] = {
{ MP_QSTR_key_number, MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_pressed, MP_ARG_BOOL, {.u_bool = true} },
{ MP_QSTR_timestamp, MP_ARG_OBJ, {.u_obj = mp_const_none} },
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};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
const mp_uint_t key_number =
(mp_uint_t)mp_arg_validate_int_min(args[ARG_key_number].u_int, 0, MP_QSTR_key_number);
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mp_obj_t timestamp = args[ARG_timestamp].u_obj;
if (timestamp == mp_const_none) {
timestamp = supervisor_ticks_ms();
}
(void)mp_obj_get_int_truncated(timestamp); // ensure that timesamp is an integer
common_hal_keypad_event_construct(self, key_number, args[ARG_pressed].u_bool, timestamp);
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return MP_OBJ_FROM_PTR(self);
}
//| key_number: int
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//| """The key number."""
//|
STATIC mp_obj_t keypad_event_get_key_number(mp_obj_t self_in) {
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keypad_event_obj_t *self = MP_OBJ_TO_PTR(self_in);
return MP_OBJ_NEW_SMALL_INT(common_hal_keypad_event_get_key_number(self));
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}
MP_DEFINE_CONST_FUN_OBJ_1(keypad_event_get_key_number_obj, keypad_event_get_key_number);
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const mp_obj_property_t keypad_event_key_number_obj = {
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.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&keypad_event_get_key_number_obj,
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MP_ROM_NONE,
MP_ROM_NONE},
};
//| pressed: bool
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//| """``True`` if the event represents a key down (pressed) transition.
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//| The opposite of `released`.
//| """
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//|
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STATIC mp_obj_t keypad_event_get_pressed(mp_obj_t self_in) {
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keypad_event_obj_t *self = MP_OBJ_TO_PTR(self_in);
return mp_obj_new_bool(common_hal_keypad_event_get_pressed(self));
}
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MP_DEFINE_CONST_FUN_OBJ_1(keypad_event_get_pressed_obj, keypad_event_get_pressed);
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const mp_obj_property_t keypad_event_pressed_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&keypad_event_get_pressed_obj,
MP_ROM_NONE,
MP_ROM_NONE},
};
//| released: bool
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//| """``True`` if the event represents a key up (released) transition.
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//| The opposite of `pressed`.
//| """
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//|
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STATIC mp_obj_t keypad_event_get_released(mp_obj_t self_in) {
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keypad_event_obj_t *self = MP_OBJ_TO_PTR(self_in);
return mp_obj_new_bool(common_hal_keypad_event_get_released(self));
}
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MP_DEFINE_CONST_FUN_OBJ_1(keypad_event_get_released_obj, keypad_event_get_released);
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const mp_obj_property_t keypad_event_released_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&keypad_event_get_released_obj,
MP_ROM_NONE,
MP_ROM_NONE},
};
//| timestamp: int
//| """The timestamp"""
//|
STATIC mp_obj_t keypad_event_get_timestamp(mp_obj_t self_in) {
keypad_event_obj_t *self = MP_OBJ_TO_PTR(self_in);
return common_hal_keypad_event_get_timestamp(self);
}
MP_DEFINE_CONST_FUN_OBJ_1(keypad_event_get_timestamp_obj, keypad_event_get_timestamp);
const mp_obj_property_t keypad_event_timestamp_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&keypad_event_get_timestamp_obj,
MP_ROM_NONE,
MP_ROM_NONE},
};
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//| def __eq__(self, other: object) -> bool:
//| """Two `Event` objects are equal if their `key_number`
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//| and `pressed`/`released` values are equal.
//| Note that this does not compare the event timestamps.
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//| """
//| ...
//|
STATIC mp_obj_t keypad_event_binary_op(mp_binary_op_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
switch (op) {
case MP_BINARY_OP_EQUAL:
if (mp_obj_is_type(rhs_in, &keypad_event_type)) {
keypad_event_obj_t *lhs = MP_OBJ_TO_PTR(lhs_in);
keypad_event_obj_t *rhs = MP_OBJ_TO_PTR(rhs_in);
return mp_obj_new_bool(
(common_hal_keypad_event_get_key_number(lhs) ==
common_hal_keypad_event_get_key_number(rhs)) &&
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(common_hal_keypad_event_get_pressed(lhs) ==
common_hal_keypad_event_get_pressed(rhs))
);
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} else {
return mp_const_false;
}
default:
return MP_OBJ_NULL; // op not supported
}
}
//| def __hash__(self) -> int:
//| """Returns a hash for the `Event`, so it can be used in dictionaries, etc..
//|
//| Note that as events with different timestamps compare equal, they also hash to the same value."""
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//| ...
//|
STATIC mp_obj_t keypad_event_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
keypad_event_obj_t *self = MP_OBJ_TO_PTR(self);
switch (op) {
case MP_UNARY_OP_HASH: {
const mp_int_t key_number = common_hal_keypad_event_get_key_number(self);
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const bool pressed = common_hal_keypad_event_get_pressed(self);
return MP_OBJ_NEW_SMALL_INT((pressed << 15) + key_number);
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}
default:
return MP_OBJ_NULL; // op not supported
}
}
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STATIC void keypad_event_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
keypad_event_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_printf(print, "<Event: key_number %d %s>",
common_hal_keypad_event_get_key_number(self),
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common_hal_keypad_event_get_pressed(self) ? "pressed" : "released");
}
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STATIC const mp_rom_map_elem_t keypad_event_locals_dict_table[] = {
// Properties
{ MP_ROM_QSTR(MP_QSTR_key_number), MP_ROM_PTR(&keypad_event_key_number_obj) },
{ MP_ROM_QSTR(MP_QSTR_pressed), MP_ROM_PTR(&keypad_event_pressed_obj) },
{ MP_ROM_QSTR(MP_QSTR_released), MP_ROM_PTR(&keypad_event_released_obj) },
{ MP_ROM_QSTR(MP_QSTR_timestamp), MP_ROM_PTR(&keypad_event_timestamp_obj) },
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};
STATIC MP_DEFINE_CONST_DICT(keypad_event_locals_dict, keypad_event_locals_dict_table);
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const mp_obj_type_t keypad_event_type = {
{ &mp_type_type },
.flags = MP_TYPE_FLAG_EXTENDED,
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.name = MP_QSTR_Event,
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.make_new = keypad_event_make_new,
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.print = keypad_event_print,
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.locals_dict = (mp_obj_dict_t *)&keypad_event_locals_dict,
MP_TYPE_EXTENDED_FIELDS(
.unary_op = keypad_event_unary_op,
.binary_op = keypad_event_binary_op,
),
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};