forked from kofal.net/zmk
cb867f92db
refactor(pointing): Allow stopping event propagation
Allow input processors to return a special value if a given input event
should not be further processed/propagated.
feat(pointing): Add behavior input processor
Add the ability to intercept certain input events and trigger behaviors
when they occur.
Co-authored-by: Jorge Villalobos <minusfive@users.noreply.github.com>
Co-authored-by: Cem Aksoylar <caksoylar@users.noreply.github.com>
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/*
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* Copyright (c) 2024 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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#define DT_DRV_COMPAT zmk_input_processor_code_mapper
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#include <zephyr/kernel.h>
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#include <zephyr/device.h>
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#include <drivers/input_processor.h>
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#include <zephyr/logging/log.h>
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
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struct cm_config {
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uint8_t type;
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size_t mapping_size;
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uint16_t mapping[];
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};
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static int cm_handle_event(const struct device *dev, struct input_event *event, uint32_t param1,
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uint32_t param2, struct zmk_input_processor_state *state) {
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const struct cm_config *cfg = dev->config;
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if (event->type != cfg->type) {
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return ZMK_INPUT_PROC_CONTINUE;
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}
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for (int i = 0; i < cfg->mapping_size / 2; i++) {
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if (cfg->mapping[i * 2] == event->code) {
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uint16_t orig = event->code;
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event->code = cfg->mapping[(i * 2) + 1];
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LOG_DBG("Remapped %d to %d", orig, event->code);
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break;
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}
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}
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return ZMK_INPUT_PROC_CONTINUE;
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}
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static struct zmk_input_processor_driver_api cm_driver_api = {
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.handle_event = cm_handle_event,
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};
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#define TL_INST(n) \
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static const struct cm_config cm_config_##n = { \
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.type = DT_INST_PROP_OR(n, type, INPUT_EV_REL), \
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.mapping_size = DT_INST_PROP_LEN(n, map), \
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.mapping = DT_INST_PROP(n, map), \
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}; \
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BUILD_ASSERT(DT_INST_PROP_LEN(n, map) % 2 == 0, \
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"Must have an even number of mapping entries"); \
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DEVICE_DT_INST_DEFINE(n, NULL, NULL, NULL, &cm_config_##n, POST_KERNEL, \
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &cm_driver_api);
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DT_INST_FOREACH_STATUS_OKAY(TL_INST) |