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-rw-r--r--users/bcat/bcat.c39
-rw-r--r--users/bcat/bcat.h8
-rw-r--r--users/bcat/rules.mk5
3 files changed, 49 insertions, 3 deletions
diff --git a/users/bcat/bcat.c b/users/bcat/bcat.c
index 2b250c10f1..397d565da0 100644
--- a/users/bcat/bcat.c
+++ b/users/bcat/bcat.c
@@ -1,6 +1,43 @@
-#include "quantum.h"
+#include "bcat.h"
#if defined(RGBLIGHT_ENABLE)
/* Adjust RGB static hue ranges for shorter gradients than default. */
const uint8_t RGBLED_GRADIENT_RANGES[] PROGMEM = {255, 127, 63, 31, 15};
#endif
+
+static int8_t alt_tab_layer = -1;
+
+__attribute__((weak)) bool process_record_keymap(uint16_t keycode, keyrecord_t *record) { return true; }
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ if (!process_record_keymap(keycode, record)) {
+ return false;
+ }
+ switch (keycode) {
+ /* Alt+Tab that holds Alt until current layer is released: */
+ case MC_ALTT:
+ if (record->event.pressed) {
+ if (alt_tab_layer < 0) {
+ alt_tab_layer = layer_switch_get_layer(record->event.key);
+ register_code(KC_LALT);
+ }
+ register_code(KC_TAB);
+ } else {
+ unregister_code(KC_TAB);
+ }
+ return false;
+ default:
+ return true;
+ }
+}
+
+__attribute__((weak)) layer_state_t layer_state_set_keymap(layer_state_t state) { return state; }
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+ state = layer_state_set_keymap(state);
+ if (alt_tab_layer >= 0 && !layer_state_cmp(state, alt_tab_layer)) {
+ unregister_code(KC_LALT);
+ alt_tab_layer = -1;
+ }
+ return state;
+}
diff --git a/users/bcat/bcat.h b/users/bcat/bcat.h
new file mode 100644
index 0000000000..1ea05e5fa8
--- /dev/null
+++ b/users/bcat/bcat.h
@@ -0,0 +1,8 @@
+#pragma once
+
+#include "quantum.h"
+
+enum user_keycodes {
+ MC_ALTT = SAFE_RANGE,
+ KEYMAP_SAFE_RANGE,
+};
diff --git a/users/bcat/rules.mk b/users/bcat/rules.mk
index f3c6f9ab27..f979c703f8 100644
--- a/users/bcat/rules.mk
+++ b/users/bcat/rules.mk
@@ -3,8 +3,10 @@ SRC += bcat.c
# Enable Bootmagic Lite to consistently reset to bootloader and clear EEPROM.
BOOTMAGIC_ENABLE = lite
-# Enable media keys on all keyboards.
+# Enable media keys on all keyboards. (Even though I don't use mouse keys, they
+# seem to be required for media keys to register on Chrome OS.)
EXTRAKEY_ENABLE = yes
+MOUSEKEY_ENABLE = yes
# Enable link-time optimization to reduce binary size.
LINK_TIME_OPTIMIZATION_ENABLE = yes
@@ -12,7 +14,6 @@ LINK_TIME_OPTIMIZATION_ENABLE = yes
# Disable unused build options on all keyboards.
COMMAND_ENABLE = no
CONSOLE_ENABLE = no
-MOUSEKEY_ENABLE = no
NKRO_ENABLE = no
TERMINAL_ENABLE = no