1 files changed, 83 insertions, 0 deletions
diff --git a/users/ericgebhart/extensions/encoders.c b/users/ericgebhart/extensions/encoders.c
new file mode 100644
index 0000000000..9a3d90b82f
--- /dev/null
+++ b/users/ericgebhart/extensions/encoders.c
@@ -0,0 +1,83 @@
+/*
+  Copyright 2022 Eric Gebhart <e.a.gebhart@gmail.com>
+
+  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/>.
+*/
+#ifdef ENCODER_ENABLE
+#include "encoders.h"
+#include USERSPACE_H
+
+encoder_action_t encoder_actions[] = {
+#include "encoders.def"
+};
+uint8_t  NUM_ENCODER_ACTIONS = sizeof(encoder_actions) / sizeof(encoder_action_t);
+
+
+bool encoder_update_user(uint8_t index, bool clockwise) {
+  // do it twice, once for layer actions, once for non layer specific actions.
+  if (!do_encoder_action(index, clockwise, true)){
+    do_encoder_action(index, clockwise, false);
+  }
+  return false;
+}
+
+bool do_encoder_action(uint8_t index, bool clockwise, bool layer_actions) {
+  uint8_t mods = get_mods();
+  encoder_action_t *action;
+
+  // look for a match.
+  // on the layer, not on any layer.
+  // with the mods, or no mods.
+  for (int i = 0; i < NUM_ENCODER_ACTIONS; ++i) {
+    action = &encoder_actions[i];
+
+    // this encoder, or another.
+    if (action->index != index)
+              continue;
+
+    // skip non layer specific actions and visa versa
+    // two pass system, once for layers, again for
+    // actions without layers.
+    if (layer_actions){
+      if (action->layer == LAYER_NONE ||
+          action->layer != biton32(layer_state)){
+        continue;
+      }
+    }else if (action->layer != LAYER_NONE)
+      continue;
+
+    // no mods, or these mods.
+    if ((mods && (action->mods == MOD_NONE)) ||
+        (mods && (mods != action->mods)))
+    continue;
+
+    // found one.
+    if (clockwise) {
+      if (action->clockwise != 0) {
+        tap_code16(action->clockwise);
+      } else if (action->cw_func != NULL) {
+        action->cw_func();
+      }
+    } else {
+      if (action->counter_clockwise != 0) {
+        tap_code16(action->counter_clockwise);
+      } else if (action->ccw_func != NULL) {
+        action->ccw_func();
+      }
+    }
+  }
+  return false;
+}
+
+#endif