107 lines
4.5 KiB
C
107 lines
4.5 KiB
C
/*
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* Copyright (c) 2020 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_mod_morph
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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/matrix.h>
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#include <zmk/endpoints.h>
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#include <zmk/event_manager.h>
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#include <zmk/events/position_state_changed.h>
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#include <zmk/events/keycode_state_changed.h>
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#include <zmk/events/modifiers_state_changed.h>
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#include <zmk/hid.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_mod_morph_config {
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struct zmk_behavior_binding normal_binding;
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struct zmk_behavior_binding morph_binding;
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zmk_mod_flags_t mods;
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zmk_mod_flags_t masked_mods;
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};
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struct behavior_mod_morph_data {
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struct zmk_behavior_binding *pressed_binding;
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};
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static int on_mod_morph_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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const struct behavior_mod_morph_config *cfg = dev->config;
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struct behavior_mod_morph_data *data = dev->data;
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if (data->pressed_binding != NULL) {
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LOG_ERR("Can't press the same mod-morph twice");
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return -ENOTSUP;
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}
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if (zmk_hid_get_explicit_mods() & cfg->mods) {
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zmk_hid_masked_modifiers_set(cfg->masked_mods);
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data->pressed_binding = (struct zmk_behavior_binding *)&cfg->morph_binding;
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} else {
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data->pressed_binding = (struct zmk_behavior_binding *)&cfg->normal_binding;
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}
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return behavior_keymap_binding_pressed(data->pressed_binding, event);
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}
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static int on_mod_morph_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_mod_morph_data *data = dev->data;
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if (data->pressed_binding == NULL) {
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LOG_ERR("Mod-morph already released");
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return -ENOTSUP;
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}
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struct zmk_behavior_binding *pressed_binding = data->pressed_binding;
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data->pressed_binding = NULL;
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int err;
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err = behavior_keymap_binding_released(pressed_binding, event);
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zmk_hid_masked_modifiers_clear();
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return err;
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}
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static const struct behavior_driver_api behavior_mod_morph_driver_api = {
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.binding_pressed = on_mod_morph_binding_pressed,
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.binding_released = on_mod_morph_binding_released,
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};
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static int behavior_mod_morph_init(const struct device *dev) { return 0; }
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#define _TRANSFORM_ENTRY(idx, node) \
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{ \
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.behavior_dev = DT_LABEL(DT_INST_PHANDLE_BY_IDX(node, bindings, idx)), \
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.param1 = COND_CODE_0(DT_INST_PHA_HAS_CELL_AT_IDX(node, bindings, idx, param1), (0), \
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(DT_INST_PHA_BY_IDX(node, bindings, idx, param1))), \
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.param2 = COND_CODE_0(DT_INST_PHA_HAS_CELL_AT_IDX(node, bindings, idx, param2), (0), \
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(DT_INST_PHA_BY_IDX(node, bindings, idx, param2))), \
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}
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#define KP_INST(n) \
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static struct behavior_mod_morph_config behavior_mod_morph_config_##n = { \
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.normal_binding = _TRANSFORM_ENTRY(0, n), \
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.morph_binding = _TRANSFORM_ENTRY(1, n), \
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.mods = DT_INST_PROP(n, mods), \
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.masked_mods = COND_CODE_0(DT_INST_NODE_HAS_PROP(n, keep_mods), (DT_INST_PROP(n, mods)), \
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(DT_INST_PROP(n, mods) & ~DT_INST_PROP(n, keep_mods))), \
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}; \
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static struct behavior_mod_morph_data behavior_mod_morph_data_##n = {}; \
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DEVICE_DT_INST_DEFINE(n, behavior_mod_morph_init, NULL, &behavior_mod_morph_data_##n, \
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&behavior_mod_morph_config_##n, APPLICATION, \
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &behavior_mod_morph_driver_api);
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DT_INST_FOREACH_STATUS_OKAY(KP_INST)
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#endif
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