From 8090f6b499fd87ddeb7a191f7bc3dace9d03be23 Mon Sep 17 00:00:00 2001
From: Joe Wasson <jwasson+github@gmail.com>
Date: Thu, 28 Jul 2016 01:24:06 -0700
Subject: Improve one-hand support by adding more actions and tap keys.

---
 tmk_core/common/action.c      | 57 ++++++++++++++++++++++++++++++++++++++++---
 tmk_core/common/action_code.h | 28 ++++++++++++++++++---
 2 files changed, 77 insertions(+), 8 deletions(-)

(limited to 'tmk_core/common')

diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c
index 0413b1a997..08ef22eb97 100644
--- a/tmk_core/common/action.c
+++ b/tmk_core/common/action.c
@@ -465,14 +465,55 @@ void process_action(keyrecord_t *record, action_t action)
             break;
 #endif
         case ACT_COMMAND:
-            switch (action.command.id) {
+            break;
 #ifdef ONEHAND_ENABLE
-                case CMD_SWAP_HANDS:
+        case ACT_SWAP_HANDS:
+            switch (action.swap.code) {
+                case OP_SH_TOGGLE:
+                    if (event.pressed) {
+                        swap_hands = !swap_hands;
+                    }
+                    break;
+                case OP_SH_ON_OFF:
                     swap_hands = event.pressed;
                     break;
-#endif
+                case OP_SH_OFF_ON:
+                    swap_hands = !event.pressed;
+                    break;
+                case OP_SH_ON:
+                    if (!event.pressed) {
+                        swap_hands = true;
+                    }
+                    break;
+                case OP_SH_OFF:
+                    if (!event.pressed) {
+                        swap_hands = false;
+                    }
+                    break;
+    #ifndef NO_ACTION_TAPPING
+                case OP_SH_TAP_TOGGLE:
+                    /* tap toggle */
+                    if (tap_count > 0) {
+                        if (!event.pressed) {
+                            swap_hands = !swap_hands;
+                        }
+                    } else {
+                        swap_hands = event.pressed;
+                    }
+                    break;
+                default:
+                    if (tap_count > 0) {
+                        if (event.pressed) {
+                            register_code(action.swap.code);
+                        } else {
+                            unregister_code(action.swap.code);
+                        }
+                    } else {
+                        swap_hands = event.pressed;
+                    }
+    #endif
             }
-            break;
+#endif
 #ifndef NO_ACTION_FUNCTION
         case ACT_FUNCTION:
             action_function(record, action.func.id, action.func.opt);
@@ -685,6 +726,13 @@ bool is_tap_key(keypos_t key)
                     return true;
             }
             return false;
+        case ACT_SWAP_HANDS:
+            switch (action.swap.code) {
+                case 0x00 ... 0xdf:
+                case OP_SH_TAP_TOGGLE:
+                    return true;
+            }
+            return false;
         case ACT_MACRO:
         case ACT_FUNCTION:
             if (action.func.opt & FUNC_TAP) { return true; }
@@ -725,6 +773,7 @@ void debug_action(action_t action)
         case ACT_MACRO:             dprint("ACT_MACRO");             break;
         case ACT_COMMAND:           dprint("ACT_COMMAND");           break;
         case ACT_FUNCTION:          dprint("ACT_FUNCTION");          break;
+        case ACT_SWAP_HANDS:        dprint("ACT_SWAP_HANDS");        break;
         default:                    dprint("UNKNOWN");               break;
     }
     dprintf("[%X:%02X]", action.kind.param>>8, action.kind.param&0xff);
diff --git a/tmk_core/common/action_code.h b/tmk_core/common/action_code.h
index 95d2cbf3e4..33da35f35f 100644
--- a/tmk_core/common/action_code.h
+++ b/tmk_core/common/action_code.h
@@ -108,6 +108,8 @@ enum action_kind_id {
     /* Other Keys */
     ACT_USAGE           = 0b0100,
     ACT_MOUSEKEY        = 0b0101,
+    /* One-hand Support */
+    ACT_SWAP_HANDS      = 0b0110,
     /* Layer Actions */
     ACT_LAYER           = 0b1000,
     ACT_LAYER_TAP       = 0b1010, /* Layer  0-15 */
@@ -178,6 +180,11 @@ typedef union {
         uint8_t  opt    :4;
         uint8_t  kind   :4;
     } func;
+    struct action_swap {
+        uint8_t  code   :8;
+        uint8_t  opt   :4;
+        uint8_t  kind   :4;
+    } swap;
 } action_t;
 
 
@@ -296,9 +303,6 @@ enum backlight_opt {
     BACKLIGHT_LEVEL    = 4,
 };
 
-enum command_id {
-    CMD_SWAP_HANDS = 0x14,
-};
 /* Macro */
 #define ACTION_MACRO(id)                ACTION(ACT_MACRO, (id))
 #define ACTION_MACRO_TAP(id)            ACTION(ACT_MACRO, FUNC_TAP<<8 | (id))
@@ -319,6 +323,22 @@ enum function_opts {
 #define ACTION_FUNCTION_TAP(id)         ACTION(ACT_FUNCTION, FUNC_TAP<<8 | (id))
 #define ACTION_FUNCTION_OPT(id, opt)    ACTION(ACT_FUNCTION, (opt)<<8 | (id))
 /* OneHand Support */
-#define ACTION_SWAP_HANDS()             ACTION_COMMAND(CMD_SWAP_HANDS, 0)
+enum swap_hands_pram_tap_op {
+    OP_SH_TOGGLE = 0xF0,
+    OP_SH_TAP_TOGGLE,
+    OP_SH_ON_OFF,
+    OP_SH_OFF_ON,
+    OP_SH_OFF,
+    OP_SH_ON,
+};
+
+#define ACTION_SWAP_HANDS()             ACTION_SWAP_HANDS_ON_OFF()
+#define ACTION_SWAP_HANDS_TOGGLE()      ACTION(ACT_SWAP_HANDS, OP_SH_TOGGLE)
+#define ACTION_SWAP_HANDS_TAP_TOGGLE()  ACTION(ACT_SWAP_HANDS, OP_SH_TAP_TOGGLE)
+#define ACTION_SWAP_HANDS_TAP_KEY(key)  ACTION(ACT_SWAP_HANDS, key)
+#define ACTION_SWAP_HANDS_ON_OFF()      ACTION(ACT_SWAP_HANDS, OP_SH_ON_OFF)
+#define ACTION_SWAP_HANDS_OFF_ON()      ACTION(ACT_SWAP_HANDS, OP_SH_OFF_ON)
+#define ACTION_SWAP_HANDS_ON()          ACTION(ACT_SWAP_HANDS, OP_SH_ON)
+#define ACTION_SWAP_HANDS_OFF()         ACTION(ACT_SWAP_HANDS, OP_SH_OFF)
 
 #endif /* ACTION_CODE_H */
-- 
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