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-rw-r--r--keyboards/a_dux/keymaps/daliusd/oneshot.c195
1 files changed, 195 insertions, 0 deletions
diff --git a/keyboards/a_dux/keymaps/daliusd/oneshot.c b/keyboards/a_dux/keymaps/daliusd/oneshot.c
new file mode 100644
index 0000000000..1e7b4d9650
--- /dev/null
+++ b/keyboards/a_dux/keymaps/daliusd/oneshot.c
@@ -0,0 +1,195 @@
+/* Copyright 2021 @daliusd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "print.h"
+#include "oneshot.h"
+
+void update_oneshot(
+ oneshot_state *state,
+ uint16_t mod,
+ uint16_t trigger,
+ uint16_t keycode,
+ keyrecord_t *record
+) {
+ if (keycode == trigger) {
+ if (record->event.pressed) {
+ // Trigger keydown
+ if (*state == os_up_unqueued) {
+ register_code(mod);
+ }
+ *state = os_down_unused;
+ dprintf("trigger down (on?), mod: %d, ? -> os_down_unused\n", mod);
+ } else {
+ // Trigger keyup
+ switch (*state) {
+ case os_down_unused:
+ // If we didn't use the mod while trigger was held, queue it.
+ *state = os_up_queued;
+ dprintf("trigger up, mod: %d, os_down_unused -> os_up_queued\n", mod);
+ break;
+ case os_down_used:
+ // If we did use the mod while trigger was held, unregister it.
+ *state = os_up_unqueued;
+ unregister_code(mod);
+ dprintf("trigger up (off), mod: %d, os_down_used -> os_up_unqueued\n", mod);
+ break;
+ default:
+ break;
+ }
+ }
+ } else {
+ if (record->event.pressed) {
+ if (is_oneshot_cancel_key(keycode) && *state != os_up_unqueued) {
+ // Cancel oneshot on designated cancel keydown.
+ *state = os_up_unqueued;
+ unregister_code(mod);
+ dprintf("cancel (off), mod: %d, ? -> os_up_unqueued\n", mod);
+ }
+ if (!is_oneshot_ignored_key(keycode)) {
+ switch (*state) {
+ case os_up_queued:
+ *state = os_up_queued_used;
+ dprintf("key up (off), mod: %d, os_up_queued -> os_up_queued_used\n", mod);
+ break;
+ case os_up_queued_used:
+ *state = os_up_unqueued;
+ unregister_code(mod);
+ dprintf("key up (off), mod: %d, os_up_queued_used -> os_up_unqueued\n", mod);
+ break;
+ default:
+ break;
+ }
+ }
+ } else {
+ if (!is_oneshot_ignored_key(keycode)) {
+ // On non-ignored keyup, consider the oneshot used.
+ switch (*state) {
+ case os_down_unused:
+ *state = os_down_used;
+ dprintf("key up, mod: %d, os_down_unused -> os_down_used\n", mod);
+ break;
+ case os_up_queued:
+ *state = os_up_unqueued;
+ unregister_code(mod);
+ dprintf("key up (off), mod: %d, os_up_queued -> os_up_unqueued\n", mod);
+ break;
+ case os_up_queued_used:
+ *state = os_up_unqueued;
+ unregister_code(mod);
+ dprintf("key up (off), mod: %d, os_up_queued_used -> os_up_unqueued\n", mod);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+}
+
+bool update_oneshot_layer(
+ oneshot_state *state,
+ uint16_t layer,
+ uint16_t trigger,
+ uint16_t keycode,
+ keyrecord_t *record
+) {
+ if (keycode == trigger) {
+ if (record->event.pressed) {
+ // Trigger keydown
+ if (*state == os_up_unqueued) {
+ layer_on(layer);
+ }
+ *state = os_down_unused;
+ dprintf("trigger down (on?), layer: %d, ? -> os_down_unused\n", layer);
+ return false;
+ } else {
+ // Trigger keyup
+ switch (*state) {
+ case os_down_unused:
+ // If we didn't use the layer while trigger was held, queue it.
+ *state = os_up_queued;
+ dprintf("trigger up, layer: %d, os_down_unused -> os_up_queued\n", layer);
+ return false;
+ case os_down_used:
+ // If we did use the layer while trigger was held, turn off it.
+ *state = os_up_unqueued;
+ layer_off(layer);
+ dprintf("trigger up (off), layer: %d, os_down_used -> os_up_unqueued\n", layer);
+ return false;
+ default:
+ break;
+ }
+ }
+ } else {
+ if (record->event.pressed) {
+ if (is_oneshot_layer_cancel_key(keycode) && *state != os_up_unqueued) {
+ // Cancel oneshot layer on designated cancel keydown.
+ *state = os_up_unqueued;
+ layer_off(layer);
+ dprintf("cancel (off), layer: %d, ? -> os_up_unqueued\n", layer);
+ return false;
+ }
+ uint8_t key_layer = read_source_layers_cache(record->event.key);
+ if (key_layer == layer) {
+ // On non-ignored keyup, consider the oneshot used.
+ switch (*state) {
+ case os_down_unused:
+ *state = os_down_used;
+ dprintf("key down, layer: %d, os_down_unused -> os_down_used\n", layer);
+ return true;
+ case os_up_queued:
+ if (is_oneshot_mod_key(keycode)) {
+ *state = os_up_unqueued;
+ layer_off(layer);
+ dprintf("key down, layer: %d, os_up_queued -> os_up_unqueued\n", layer);
+ return false;
+ } else {
+ *state = os_up_queued_used;
+ dprintf("key down, layer: %d, os_up_queued -> os_up_queued_used\n", layer);
+ }
+ return true;
+ case os_up_queued_used:
+ *state = os_up_unqueued;
+ layer_off(layer);
+ dprintf("key down (off), layer: %d, os_up_queued_used -> os_up_unqueued\n", layer);
+ return false;
+ default:
+ break;
+ }
+ }
+ } else {
+ // Ignore key ups from other layers
+ uint8_t key_layer = read_source_layers_cache(record->event.key);
+ if (key_layer == layer) {
+ // On non-ignored keyup, consider the oneshot used.
+ switch (*state) {
+ case os_up_queued:
+ *state = os_up_unqueued;
+ layer_off(layer);
+ dprintf("key up (off), layer: %d, os_up_queued -> os_up_unqueued\n", layer);
+ return true;
+ case os_up_queued_used:
+ *state = os_up_unqueued;
+ layer_off(layer);
+ dprintf("key up (off), layer: %d, os_up_queued_used -> os_up_unqueued\n", layer);
+ return true;
+ default:
+ break;
+ }
+ }
+ }
+ }
+ return true;
+}