From e324fa29187dff7868d9d7fd378e0e46d77107a5 Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Sat, 16 Feb 2013 04:05:58 +0900
Subject: Rewrite layer action with layer_switch

---
 common/layer_switch.c | 66 +++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 51 insertions(+), 15 deletions(-)

(limited to 'common/layer_switch.c')

diff --git a/common/layer_switch.c b/common/layer_switch.c
index 9bc804e641..22bfb34f65 100644
--- a/common/layer_switch.c
+++ b/common/layer_switch.c
@@ -2,50 +2,88 @@
 #include "keyboard.h"
 #include "action.h"
 #include "debug.h"
+#include "util.h"
 #include "layer_switch.h"
 
 
+uint8_t default_layer = 0;
+
 uint16_t layer_switch_stat = 0;
 
 
-uint16_t layer_switch_stat_get(void)
+uint16_t layer_switch_get_stat(void)
 {
     return layer_switch_stat;
 }
 
-void layer_switch_stat_set(uint16_t stat)
+/* return highest layer whose state is on */
+uint8_t layer_switch_get_layer(void)
+{
+    return biton16(layer_switch_stat);
+}
+
+static inline void stat_set(uint16_t stat)
 {
+    debug("layer_switch: ");
+    layer_switch_debug(); debug(" to ");
+
     layer_switch_stat = stat;
-    layer_switch_debug();
+
+    layer_switch_debug(); debug("\n");
+
+    clear_keyboard_but_mods(); // To avoid stuck keys
 }
 
 void layer_switch_clear(void)
 {
-    layer_switch_stat = 0;
-    layer_switch_debug();
+    stat_set(0);
+}
+
+
+void layer_switch_set(uint16_t stat)
+{
+    stat_set(stat);
+}
+
+void layer_switch_move(uint8_t layer)
+{
+    if (layer)
+        stat_set(1<<layer);
+    else
+        stat_set(0);    // fall back to default layer
 }
 
 void layer_switch_on(uint8_t layer)
 {
-    layer_switch_stat |= (1<<layer);
-    layer_switch_debug();
+    stat_set(layer_switch_stat | (1<<layer));
 }
 
 void layer_switch_off(uint8_t layer)
 {
-    layer_switch_stat &= ~(1<<layer);
-    layer_switch_debug();
+    stat_set(layer_switch_stat & ~(1<<layer));
+}
+
+void layer_switch_invert(uint8_t layer)
+{
+    stat_set(layer_switch_stat ^ (1<<layer));
 }
 
-void layer_switch_inv(uint8_t layer)
+void layer_switch_or(uint16_t stat)
+{
+    stat_set(layer_switch_stat | stat);
+}
+void layer_switch_and(uint16_t stat)
+{
+    stat_set(layer_switch_stat & stat);
+}
+void layer_switch_xor(uint16_t stat)
 {
-    layer_switch_stat ^= (1<<layer);
-    layer_switch_debug();
+    stat_set(layer_switch_stat ^ stat);
 }
 
 void layer_switch_debug(void)
 {
-    debug("layer_switch_stat: "); debug_bin16(layer_switch_stat); debug("\n");
+    debug_hex16(layer_switch_stat); debug("("); debug_dec(layer_switch_get_layer()); debug(")");
 }
 
 action_t layer_switch_get_action(key_t key)
@@ -58,8 +96,6 @@ action_t layer_switch_get_action(key_t key)
         if (layer_switch_stat & (1<<i)) {
             action = action_for_key(i, key);
             if (action.code != ACTION_TRANSPARENT) {
-                layer_switch_debug();
-                debug("layer_switch: used. "); debug_dec(i); debug("\n");
                 return action;
             }
         }
-- 
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