put layer change on lr button tap toggle

5 files changed, 55 insertions, 6 deletions

diff --git a/keyboards/ploopyco/madromys/keymaps/bjc/config.h b/keyboards/ploopyco/madromys/keymaps/bjc/config.h
new file mode 100644
index 0000000..bf0e6e9
--- /dev/null
+++ b/keyboards/ploopyco/madromys/keymaps/bjc/config.h
@@ -0,0 +1,8 @@
+#pragma once
+
+// doesn't work on plasma. shame. 2026-jan-13
+//#define POINTING_DEVICE_HIRES_SCROLL_ENABLE
+#define PLOOPY_DPI_OPTIONS { 2400, 4800, 12000, 16000 }
+#define PLOOPY_DPI_DEFAULT 3
+#define PLOOPY_DRAGSCROLL_DIVISOR_H 16.0
+#define PLOOPY_DRAGSCROLL_DIVISOR_V 16.0
diff --git a/keyboards/ploopyco/madromys/keymaps/bjc/keymap.c b/keyboards/ploopyco/madromys/keymaps/bjc/keymap.c
index 126d7d3..6602aed 100644
--- a/keyboards/ploopyco/madromys/keymaps/bjc/keymap.c
+++ b/keyboards/ploopyco/madromys/keymaps/bjc/keymap.c
@@ -17,16 +17,49 @@
  */
 #include QMK_KEYBOARD_H
 
-#define PLOOPY_DPI_OPTIONS { 2400, 4800, 12000 }
-#define PLOOPY_DPI_DEFAULT 2
-
 enum {
   DEFAULT = 0,
-  FN1 = 1,
+  FN1 = 1
+};
+
+enum {
+  KC_TOG_HOLD = QK_USER
 };
 
 // top left left, top left, top right, top right right, bottom left, bottom right
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-  [DEFAULT] = LAYOUT(MS_BTN4, LT(FN1, MS_BTN5), MS_BTN3, MS_BTN2, MS_BTN1, DRAG_SCROLL),
-  [FN1]     = LAYOUT(KC_MISSION_CONTROL, KC_TRNS, KC_BRIGHTNESS_DOWN, KC_BRIGHTNESS_UP, KC_MEDIA_PLAY_PAUSE, QK_BOOT)
+  [DEFAULT] = LAYOUT(MS_BTN4, MS_BTN5, MS_BTN3, MS_BTN2, MS_BTN1, KC_TOG_HOLD),
+  [FN1]     = LAYOUT(KC_MISSION_CONTROL, QK_BOOT, KC_BRIGHTNESS_DOWN, KC_BRIGHTNESS_UP, KC_MEDIA_PLAY_PAUSE, KC_TRNS)
 };
+
+static bool fn1_layer_on = false;
+
+// probably shouldn't be doing this, but beats trying to keep track of
+// it myself and getting out of sync.
+extern bool is_drag_scroll;
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+  if (IS_LAYER_ON_STATE(state, FN1)) {
+    is_drag_scroll = true;
+  } else {
+    is_drag_scroll = false;
+  }
+  return state;
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+  case KC_TOG_HOLD:
+    if (!record->event.pressed) {
+      toggle_drag_scroll();
+      fn1_layer_on = !fn1_layer_on;
+      if (is_drag_scroll) {
+        layer_on(FN1);
+      } else {
+        layer_off(FN1);
+      }
+    }
+    break;
+  }
+  return true;
+}
diff --git a/keyboards/ploopyco/madromys/keymaps/bjc/rules.mk b/keyboards/ploopyco/madromys/keymaps/bjc/rules.mk
new file mode 100644
index 0000000..59222a6
--- /dev/null
+++ b/keyboards/ploopyco/madromys/keymaps/bjc/rules.mk
@@ -0,0 +1 @@
+#VIA_ENABLE = yes
diff --git a/keyboards/ploopyco/madromys/keymaps/via/info.json b/keyboards/ploopyco/madromys/keymaps/via/info.json
new file mode 100644
index 0000000..ebb3ba2
--- /dev/null
+++ b/keyboards/ploopyco/madromys/keymaps/via/info.json
@@ -0,0 +1,6 @@
+{
+    "usb": {
+        "vid": "0x5043",
+        "pid": "0x5C47"
+    }
+}
diff --git a/keyboards/ploopyco/madromys/keymaps/via/rules.mk b/keyboards/ploopyco/madromys/keymaps/via/rules.mk
new file mode 100644
index 0000000..1e5b998
--- /dev/null
+++ b/keyboards/ploopyco/madromys/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes