Refactor main source file

filterpaper.c

@@ -1,7 +1,37 @@
 // Copyright @filterpaper
 // SPDX-License-Identifier: GPL-2.0+
 
-#include "filterpaper.h"
+#include QMK_KEYBOARD_H
+#include "autocorrect.h"
+#ifdef COMBO_ENABLE
+#   include "combos.h"
+#endif
+
+// Convert 5-bit packed mod-tap modifiers to 8-bit packed MOD_MASK modifiers
+#define MOD_TAP_GET_MOD_BITS(kc) (((kc) & 0x0f00) >> (((kc) & 0x1000) ? 4 : 8))
+// Basic keycode filter for tap-hold keys
+#define GET_TAP_KEYCODE(kc) ((kc) & 0xff)
+
+// Tap-hold decision helper macros
+#define IS_HOMEROW(r)        (r->event.key.row == 1 || r->event.key.row == 5)
+#define IS_MOD_TAP_SHIFT(kc) (IS_QK_MOD_TAP(kc) && (kc) & (QK_LSFT))
+#define IS_MOD_TAP_CS(kc)    (IS_QK_MOD_TAP(kc) && (kc) & (QK_LCTL | QK_LSFT))
+#define IS_MOD_TAP_CAG(kc)   (IS_QK_MOD_TAP(kc) && (kc) & (QK_LCTL | QK_LALT | QK_LGUI))
+#define IS_LAYER_TAP(kc)     (IS_QK_LAYER_TAP(kc) && QK_LAYER_TAP_GET_LAYER(kc))
+
+#define IS_TYPING(kc) ( \
+    last_input_activity_elapsed() < INPUT_INTERVAL   && \
+    (KC_A <= (uint8_t)(kc) && (uint8_t)(kc) <= KC_0) && \
+    !IS_LAYER_TAP(kc) )
+
+#define IS_UNILATERAL(r, n) ( \
+    (0 <= r->event.key.row && r->event.key.row <= 2 && 0 <= n.event.key.row && n.event.key.row <= 2) || \
+    (4 <= r->event.key.row && r->event.key.row <= 6 && 4 <= n.event.key.row && n.event.key.row <= 6) )
+
+#define IS_BILATERAL(r, n) ( \
+    (r->event.key.row == 1 && 4 <= n.event.key.row && n.event.key.row <= 7) || \
+    (r->event.key.row == 5 && 0 <= n.event.key.row && n.event.key.row <= 3) )
+
 
 static uint16_t    next_keycode;
 static keyrecord_t next_record;
@@ -102,7 +132,7 @@ static inline bool process_tap_hold(uint16_t keycode, keyrecord_t *record) {
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
     if (record->event.pressed) {
-#ifdef COMBO_SHOULD_TRIGGER
+#if defined (COMBO_ENABLE) && defined (COMBO_SHOULD_TRIGGER)
         if (record->event.type != COMBO_EVENT) input_timer = timer_read_fast();
 #endif
         if (!process_autocorrect(keycode, record) || !process_caps_unlock(keycode, record)) return false;