[Keymap] Add ollyhayes keymap (#16632)

users/ollyhayes/ollyhayes.c

@@ -0,0 +1,153 @@
+/* Copyright 2022 Olly Hayes (@ollyhayes)
+ *
+ * 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 "ollyhayes.h"
+
+#ifdef VIRTSER_ENABLE
+#   include "virtser.h"
+#endif
+
+layer_state_t default_layer_state_set_kb(layer_state_t state) {
+    if (layer_state_cmp(state, BASE)) {
+        rgb_matrix_mode(3);
+    } else if (layer_state_cmp(state, GAMES)) {
+        rgb_matrix_mode(1);
+    }
+    return state;
+}
+
+uint16_t key_presses = 0;
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    // for tab/number layer switch
+    static bool key_pressed_since_switch = false;
+    static uint16_t switch_down_time = 0;
+
+    // for alt-tab on punc layer
+    static bool alt_tab_used = false;
+
+    // for capital umlauts
+    static bool shift_held = false;
+
+#ifdef VIRTSER_ENABLE
+    if (record->event.pressed) {
+        uint8_t key_index = 40 + record->event.key.col + record->event.key.row * 6;
+        virtser_send(key_index);
+    } else {
+        uint8_t key_index = 90 + record->event.key.col + record->event.key.row * 6;
+        virtser_send(key_index);
+    }
+#endif
+
+    if (record->event.pressed) {
+        key_pressed_since_switch = true;
+        key_presses++;
+    }
+
+    switch (keycode) {
+        case UP4:
+            if (record->event.pressed) {
+                tap_code(KC_UP);
+                tap_code(KC_UP);
+                tap_code(KC_UP);
+                tap_code(KC_UP);
+                return false;
+            }
+            break;
+
+        case DOWN4:
+            if (record->event.pressed) {
+                tap_code(KC_DOWN);
+                tap_code(KC_DOWN);
+                tap_code(KC_DOWN);
+                tap_code(KC_DOWN);
+                return false;
+            }
+            break;
+
+        case NUM_SWITCH:
+            if (record->event.pressed) {
+                layer_on(NUM);
+                key_pressed_since_switch = false;
+                switch_down_time = timer_read();
+            } else {
+                layer_off(NUM);
+
+                if (!key_pressed_since_switch && timer_elapsed(switch_down_time) < 200) {
+                    tap_code(KC_TAB);
+                }
+            }
+            return false;
+
+        case MO(PUNC):
+            if (!record->event.pressed) {
+                if (alt_tab_used) {
+                    unregister_code(KC_LALT);
+                    alt_tab_used = false;
+                }
+            }
+            return true;
+
+        case MO(FUNCTIONS):
+            if (!record->event.pressed) {
+                // if NUM_SWITCH has been lifted first, toggle to that layer
+                // (4 = 2^NUM)
+                if ((layer_state & 4) != 0) {
+                    layer_on(FUNCTIONS);
+                    return false;
+                }
+            }
+            return true;
+
+        case ALTTAB:
+            if (record->event.pressed) {
+                alt_tab_used = true;
+                register_code(KC_LALT);
+                tap_code(KC_TAB);
+            }
+            return false;
+
+        case KC_LSFT:
+        case KC_RSFT:
+            shift_held = record->event.pressed;
+            break;
+
+        case A_UMLAUT:
+            if (record->event.pressed) {
+                if (shift_held)
+                    register_unicode(0x00c4);
+                else
+                    register_unicode(0x00e4);
+            }
+            break;
+        case O_UMLAUT:
+            if (record->event.pressed) {
+                if (shift_held)
+                    register_unicode(0x00d6);
+                else
+                    register_unicode(0x00f6);
+            }
+            break;
+        case U_UMLAUT:
+            if (record->event.pressed) {
+                if (shift_held)
+                    register_unicode(0x00dc);
+                else
+                    register_unicode(0x00fc);
+            }
+            break;
+    }
+    return true;
+}

users/ollyhayes/ollyhayes.h

@@ -0,0 +1,41 @@
+/* Copyright 2022 Olly Hayes (@ollyhayes)
+ *
+ * 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 QMK_KEYBOARD_H
+
+enum layers {
+    BASE,
+    QWERTY,
+    GAMES,
+    NUM,
+    FUNCTIONS,
+    ARR,
+    PUNC,
+    DUBPUNC,
+    MEDIA,
+};
+
+enum custom_keycodes {
+  DOWN4 = SAFE_RANGE,
+  UP4,
+  NUM_SWITCH,
+  ALTTAB,
+  A_UMLAUT,
+  O_UMLAUT,
+  U_UMLAUT,
+};
+
+extern uint16_t key_presses;

users/ollyhayes/rules.mk

@@ -0,0 +1 @@
+SRC += ollyhayes.c