Relocate magic keycode processing (#7512)

* Move magic keycode processing to own file

* Save some bytes

* Update comments

* Update define to one thats not already used...

* Fix audio

2 files changed, 196 insertions, 0 deletions

diff --git a/quantum/process_keycode/process_magic.c b/quantum/process_keycode/process_magic.c
new file mode 100644
index 0000000000..9668a50f7f
--- /dev/null
+++ b/quantum/process_keycode/process_magic.c
@@ -0,0 +1,176 @@
+/* Copyright 2019 Jack Humbert
+ *
+ * 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 "process_magic.h"
+
+#ifdef AUDIO_ENABLE
+#    ifndef AG_NORM_SONG
+#        define AG_NORM_SONG SONG(AG_NORM_SOUND)
+#    endif
+#    ifndef AG_SWAP_SONG
+#        define AG_SWAP_SONG SONG(AG_SWAP_SOUND)
+#    endif
+#    ifndef CG_NORM_SONG
+#        define CG_NORM_SONG SONG(AG_NORM_SOUND)
+#    endif
+#    ifndef CG_SWAP_SONG
+#        define CG_SWAP_SONG SONG(AG_SWAP_SOUND)
+#    endif
+float ag_norm_song[][2] = AG_NORM_SONG;
+float ag_swap_song[][2] = AG_SWAP_SONG;
+float cg_norm_song[][2] = CG_NORM_SONG;
+float cg_swap_song[][2] = CG_SWAP_SONG;
+#endif
+
+/**
+ * MAGIC actions (BOOTMAGIC without the boot)
+ */
+bool process_magic(uint16_t keycode, keyrecord_t *record) {
+    // skip anything that isn't a keyup
+    if (!record->event.pressed) {
+        return true;
+    }
+
+    /* keymap config */
+    keymap_config.raw = eeconfig_read_keymap();
+    switch (keycode) {
+        case MAGIC_SWAP_CONTROL_CAPSLOCK:
+            keymap_config.swap_control_capslock = true;
+            break;
+        case MAGIC_CAPSLOCK_TO_CONTROL:
+            keymap_config.capslock_to_control = true;
+            break;
+        case MAGIC_SWAP_LALT_LGUI:
+            keymap_config.swap_lalt_lgui = true;
+            break;
+        case MAGIC_SWAP_RALT_RGUI:
+            keymap_config.swap_ralt_rgui = true;
+            break;
+        case MAGIC_SWAP_LCTL_LGUI:
+            keymap_config.swap_lctl_lgui = true;
+            break;
+        case MAGIC_SWAP_RCTL_RGUI:
+            keymap_config.swap_rctl_rgui = true;
+            break;
+        case MAGIC_NO_GUI:
+            keymap_config.no_gui = true;
+            break;
+        case MAGIC_SWAP_GRAVE_ESC:
+            keymap_config.swap_grave_esc = true;
+            break;
+        case MAGIC_SWAP_BACKSLASH_BACKSPACE:
+            keymap_config.swap_backslash_backspace = true;
+            break;
+        case MAGIC_HOST_NKRO:
+            clear_keyboard();  // clear first buffer to prevent stuck keys
+            keymap_config.nkro = true;
+            break;
+        case MAGIC_SWAP_ALT_GUI:
+            keymap_config.swap_lalt_lgui = keymap_config.swap_ralt_rgui = true;
+#ifdef AUDIO_ENABLE
+            PLAY_SONG(ag_swap_song);
+#endif
+            break;
+        case MAGIC_SWAP_CTL_GUI:
+            keymap_config.swap_lctl_lgui = keymap_config.swap_rctl_rgui = true;
+#ifdef AUDIO_ENABLE
+            PLAY_SONG(cg_swap_song);
+#endif
+            break;
+        case MAGIC_UNSWAP_CONTROL_CAPSLOCK:
+            keymap_config.swap_control_capslock = false;
+            break;
+        case MAGIC_UNCAPSLOCK_TO_CONTROL:
+            keymap_config.capslock_to_control = false;
+            break;
+        case MAGIC_UNSWAP_LALT_LGUI:
+            keymap_config.swap_lalt_lgui = false;
+            break;
+        case MAGIC_UNSWAP_RALT_RGUI:
+            keymap_config.swap_ralt_rgui = false;
+            break;
+        case MAGIC_UNSWAP_LCTL_LGUI:
+            keymap_config.swap_lctl_lgui = false;
+            break;
+        case MAGIC_UNSWAP_RCTL_RGUI:
+            keymap_config.swap_rctl_rgui = false;
+            break;
+        case MAGIC_UNNO_GUI:
+            keymap_config.no_gui = false;
+            break;
+        case MAGIC_UNSWAP_GRAVE_ESC:
+            keymap_config.swap_grave_esc = false;
+            break;
+        case MAGIC_UNSWAP_BACKSLASH_BACKSPACE:
+            keymap_config.swap_backslash_backspace = false;
+            break;
+        case MAGIC_UNHOST_NKRO:
+            clear_keyboard();  // clear first buffer to prevent stuck keys
+            keymap_config.nkro = false;
+            break;
+        case MAGIC_UNSWAP_ALT_GUI:
+            keymap_config.swap_lalt_lgui = keymap_config.swap_ralt_rgui = false;
+#ifdef AUDIO_ENABLE
+            PLAY_SONG(ag_norm_song);
+#endif
+            break;
+        case MAGIC_UNSWAP_CTL_GUI:
+            keymap_config.swap_lctl_lgui = keymap_config.swap_rctl_rgui = false;
+#ifdef AUDIO_ENABLE
+            PLAY_SONG(cg_norm_song);
+#endif
+            break;
+        case MAGIC_TOGGLE_ALT_GUI:
+            keymap_config.swap_lalt_lgui = !keymap_config.swap_lalt_lgui;
+            keymap_config.swap_ralt_rgui = keymap_config.swap_lalt_lgui;
+#ifdef AUDIO_ENABLE
+            if (keymap_config.swap_ralt_rgui) {
+                PLAY_SONG(ag_swap_song);
+            } else {
+                PLAY_SONG(ag_norm_song);
+            }
+#endif
+            break;
+        case MAGIC_TOGGLE_CTL_GUI:
+            keymap_config.swap_lctl_lgui = !keymap_config.swap_lctl_lgui;
+            keymap_config.swap_rctl_rgui = keymap_config.swap_lctl_lgui;
+#ifdef AUDIO_ENABLE
+            if (keymap_config.swap_rctl_rgui) {
+                PLAY_SONG(cg_swap_song);
+            } else {
+                PLAY_SONG(cg_norm_song);
+            }
+#endif
+            break;
+        case MAGIC_TOGGLE_NKRO:
+            clear_keyboard();  // clear first buffer to prevent stuck keys
+            keymap_config.nkro = !keymap_config.nkro;
+            break;
+        case MAGIC_EE_HANDS_LEFT:
+            eeconfig_update_handedness(true);
+            break;
+        case MAGIC_EE_HANDS_RIGHT:
+            eeconfig_update_handedness(false);
+            break;
+        default:
+            // Not a magic keycode so continue processing
+            return true;
+    }
+
+    eeconfig_update_keymap(keymap_config.raw);
+    clear_keyboard(); // clear to prevent stuck keys
+
+    return false;
+}
diff --git a/quantum/process_keycode/process_magic.h b/quantum/process_keycode/process_magic.h
new file mode 100644
index 0000000000..1eb39f1455
--- /dev/null
+++ b/quantum/process_keycode/process_magic.h
@@ -0,0 +1,20 @@
+/* Copyright 2019
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include "quantum.h"
+
+bool process_magic(uint16_t keycode, keyrecord_t *record);