Merge commit '71381457fa'

Conflicts:
	tmk_core/doc/keymap.md

tmk_core/common/hook.c

@@ -0,0 +1,61 @@
+/*
+Copyright 2016 Jun Wako <wakojun@gmail.com>
+
+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 "keyboard.h"
+#include "hook.h"
+
+/* -------------------------------------------------
+ * Definitions of hardware-independent default hooks
+ * ------------------------------------------------- */
+
+/* Called on layer state change event. */
+/* Default behaviour: do nothing. */
+__attribute__((weak))
+void hook_layer_change(uint8_t layer_state) {
+    (void)layer_state;
+}
+
+/* Called periodically from the matrix scan loop (very often!) */
+/* Default behaviour: do nothing. */
+__attribute__((weak))
+void hook_keyboard_loop(void) {}
+
+/* Called on matrix state change event (every keypress => often!) */
+/* Default behaviour: do nothing. */
+__attribute__((weak))
+void hook_matrix_change(keyevent_t event) {
+	(void)event;
+}
+
+/* Called on indicator LED update event (when reported from host). */
+/* Default behaviour: calls led_set (for compatibility). */
+__attribute__((weak))
+void hook_keyboard_leds_change(uint8_t led_status) {
+    keyboard_set_leds(led_status);
+}
+
+/* Called once, on checking the bootmagic combos. */
+/* Default behaviour: do nothing. */
+__attribute__((weak))
+void hook_bootmagic(void) {
+	/* An example: */
+	// #include "bootmagic.h"
+	// #include "keymap.h"
+	// if(bootmagic_scan_keycode(KC_W)) {
+	// 	// do something
+	// }
+}