126 lines
4.6 KiB
C
126 lines
4.6 KiB
C
/*
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* Copyright (c) 2021 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_behavior_key_repeat
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#include <device.h>
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#include <drivers/behavior.h>
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#include <logging/log.h>
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#include <zmk/behavior.h>
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#include <zmk/hid.h>
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#include <zmk/event_manager.h>
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#include <zmk/events/keycode_state_changed.h>
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
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#if DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT)
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struct behavior_key_repeat_config {
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uint8_t index;
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uint8_t usage_pages_count;
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uint16_t usage_pages[];
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};
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struct behavior_key_repeat_data {
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struct zmk_keycode_state_changed last_keycode_pressed;
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struct zmk_keycode_state_changed current_keycode_pressed;
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};
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static int on_key_repeat_binding_pressed(struct zmk_behavior_binding *binding,
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struct zmk_behavior_binding_event event) {
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const struct device *dev = device_get_binding(binding->behavior_dev);
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struct behavior_key_repeat_data *data = dev->data;
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if (data->last_keycode_pressed.usage_page == 0) {
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return ZMK_BEHAVIOR_OPAQUE;
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}
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memcpy(&data->current_keycode_pressed, &data->last_keycode_pressed,
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sizeof(struct zmk_keycode_state_changed));
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data->current_keycode_pressed.timestamp = k_uptime_get();
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ZMK_EVENT_RAISE(new_zmk_keycode_state_changed(data->current_keycode_pressed));
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return ZMK_BEHAVIOR_OPAQUE;
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}
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static int on_key_repeat_binding_released(struct zmk_behavior_binding *binding,
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struct zmk_behavior_binding_event event) {
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const struct device *dev = device_get_binding(binding->behavior_dev);
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struct behavior_key_repeat_data *data = dev->data;
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if (data->current_keycode_pressed.usage_page == 0) {
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return ZMK_BEHAVIOR_OPAQUE;
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}
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data->current_keycode_pressed.timestamp = k_uptime_get();
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data->current_keycode_pressed.state = false;
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ZMK_EVENT_RAISE(new_zmk_keycode_state_changed(data->current_keycode_pressed));
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return ZMK_BEHAVIOR_OPAQUE;
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}
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static const struct behavior_driver_api behavior_key_repeat_driver_api = {
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.binding_pressed = on_key_repeat_binding_pressed,
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.binding_released = on_key_repeat_binding_released,
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};
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static int key_repeat_keycode_state_changed_listener(const zmk_event_t *eh);
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ZMK_LISTENER(behavior_key_repeat, key_repeat_keycode_state_changed_listener);
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ZMK_SUBSCRIPTION(behavior_key_repeat, zmk_keycode_state_changed);
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static const struct device *devs[DT_NUM_INST_STATUS_OKAY(DT_DRV_COMPAT)];
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static int key_repeat_keycode_state_changed_listener(const zmk_event_t *eh) {
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struct zmk_keycode_state_changed *ev = as_zmk_keycode_state_changed(eh);
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if (ev == NULL || !ev->state) {
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return ZMK_EV_EVENT_BUBBLE;
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}
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for (int i = 0; i < DT_NUM_INST_STATUS_OKAY(DT_DRV_COMPAT); i++) {
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const struct device *dev = devs[i];
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if (dev == NULL) {
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continue;
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}
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struct behavior_key_repeat_data *data = dev->data;
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const struct behavior_key_repeat_config *config = dev->config;
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for (int u = 0; u < config->usage_pages_count; u++) {
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if (config->usage_pages[u] == ev->usage_page) {
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memcpy(&data->last_keycode_pressed, ev, sizeof(struct zmk_keycode_state_changed));
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data->last_keycode_pressed.implicit_modifiers |= zmk_hid_get_explicit_mods();
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break;
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}
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}
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}
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return ZMK_EV_EVENT_BUBBLE;
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}
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static int behavior_key_repeat_init(const struct device *dev) {
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const struct behavior_key_repeat_config *config = dev->config;
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devs[config->index] = dev;
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return 0;
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}
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#define KR_INST(n) \
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static struct behavior_key_repeat_data behavior_key_repeat_data_##n = {}; \
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static struct behavior_key_repeat_config behavior_key_repeat_config_##n = { \
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.index = n, \
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.usage_pages = DT_INST_PROP(n, usage_pages), \
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.usage_pages_count = DT_INST_PROP_LEN(n, usage_pages), \
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}; \
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DEVICE_DT_INST_DEFINE(n, behavior_key_repeat_init, NULL, &behavior_key_repeat_data_##n, \
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&behavior_key_repeat_config_##n, APPLICATION, \
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &behavior_key_repeat_driver_api);
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DT_INST_FOREACH_STATUS_OKAY(KR_INST)
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#endif
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