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feat(mouse): Add mouse move and scroll support (#2477)

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* feat(mouse): Add mouse move and scroll support

    * Use Zephyr input subsystem for all pointers.
    * Input processors for modifying events, e.g. scaling, swapping
      codes, temporary (mouse) layers, etc.
    * Mouse move/scroll behaviors.
    * Infrastructure in place for physical pointer input devices.

* feat: Add input split support.

* docs: Add initial pointer docs.

---------

Co-authored-by: Cem Aksoylar <caksoylar@users.noreply.github.com>
Co-authored-by: Alexander Krikun <krikun98@gmail.com>
Co-authored-by: Robert U <urob@users.noreply.github.com>
Co-authored-by: Shawn Meier <ftc@users.noreply.github.com>
Co-authored-by: Chris Andreae <chris@andreae.gen.nz>
Co-authored-by: Anant Thazhemadam <47104651+thazhemadam@users.noreply.github.com>
Co-authored-by: Erik Tollerud <erik.tollerud@gmail.com>
Co-authored-by: Nicolas Munnich <98408764+Nick-Munnich@users.noreply.github.com>
This commit is contained in:
Pete Johanson
2024-12-09 17:45:41 -07:00
committed by GitHub
parent 7e8c542c94
commit 6b40bfda53
119 changed files with 4223 additions and 229 deletions
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92
app/src/pointing/input_processor_transform.c Normal file
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/*
* Copyright (c) 2024 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#define DT_DRV_COMPAT zmk_input_processor_transform
#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <drivers/input_processor.h>
#include <dt-bindings/zmk/input_transform.h>
#include <zephyr/logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/keymap.h>
struct ipt_config {
size_t x_codes_size;
size_t y_codes_size;
uint8_t type;
const uint16_t *x_codes;
const uint16_t *y_codes;
};
static int code_idx(uint16_t code, const uint16_t *list, size_t len) {
for (int i = 0; i < len; i++) {
if (list[i] == code) {
return i;
}
}
return -ENODEV;
}
static int ipt_handle_event(const struct device *dev, struct input_event *event, uint32_t param1,
uint32_t param2, struct zmk_input_processor_state *state) {
const struct ipt_config *cfg = dev->config;
if (event->type != cfg->type) {
return 0;
}
if (param1 & INPUT_TRANSFORM_XY_SWAP) {
int idx = code_idx(event->code, cfg->x_codes, cfg->x_codes_size);
if (idx >= 0) {
event->code = cfg->y_codes[idx];
} else {
idx = code_idx(event->code, cfg->y_codes, cfg->y_codes_size);
if (idx >= 0) {
event->code = cfg->x_codes[idx];
}
}
}
if ((param1 & INPUT_TRANSFORM_X_INVERT &&
code_idx(event->code, cfg->x_codes, cfg->x_codes_size) >= 0) ||
(param1 & INPUT_TRANSFORM_Y_INVERT &&
code_idx(event->code, cfg->y_codes, cfg->y_codes_size) >= 0)) {
event->value = -event->value;
}
return 0;
}
static struct zmk_input_processor_driver_api ipt_driver_api = {
.handle_event = ipt_handle_event,
};
static int ipt_init(const struct device *dev) { return 0; }
#define IPT_INST(n) \
static const uint16_t ipt_x_codes_##n[] = DT_INST_PROP(n, x_codes); \
static const uint16_t ipt_y_codes_##n[] = DT_INST_PROP(n, y_codes); \
BUILD_ASSERT(ARRAY_SIZE(ipt_x_codes_##n) == ARRAY_SIZE(ipt_x_codes_##n), \
"X and Y codes need to be the same size"); \
static const struct ipt_config ipt_config_##n = { \
.type = DT_INST_PROP_OR(n, type, INPUT_EV_REL), \
.x_codes_size = DT_INST_PROP_LEN(n, x_codes), \
.y_codes_size = DT_INST_PROP_LEN(n, y_codes), \
.x_codes = ipt_x_codes_##n, \
.y_codes = ipt_y_codes_##n, \
}; \
DEVICE_DT_INST_DEFINE(n, &ipt_init, NULL, NULL, &ipt_config_##n, POST_KERNEL, \
CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &ipt_driver_api);
DT_INST_FOREACH_STATUS_OKAY(IPT_INST)