From c9a82d71d06146dfe706a2e8d223dab593dffffc Mon Sep 17 00:00:00 2001
From: Okke Formsma <okke@formsma.nl>
Date: Wed, 2 Sep 2020 16:41:39 +0200
Subject: [PATCH] fixes for feedback round 2

---
 app/dts/behaviors.dtsi                |  1 -
 app/dts/behaviors/homerow_tap.dtsi    | 12 ---------
 app/src/behaviors/behavior_hold_tap.c | 39 ++++++++++++++++++---------
 docs/docs/behavior/hold-tap.md        |  4 +--
 4 files changed, 28 insertions(+), 28 deletions(-)
 delete mode 100644 app/dts/behaviors/homerow_tap.dtsi

diff --git a/app/dts/behaviors.dtsi b/app/dts/behaviors.dtsi
index fdcf426b..ab70bcc7 100644
--- a/app/dts/behaviors.dtsi
+++ b/app/dts/behaviors.dtsi
@@ -3,7 +3,6 @@
 #include <behaviors/none.dtsi>
 #include <behaviors/mod_tap.dtsi>
 #include <behaviors/layer_tap.dtsi>
-#include <behaviors/homerow_tap.dtsi>
 #include <behaviors/momentary_layer.dtsi>
 #include <behaviors/toggle_layer.dtsi>
 #include <behaviors/reset.dtsi>
diff --git a/app/dts/behaviors/homerow_tap.dtsi b/app/dts/behaviors/homerow_tap.dtsi
deleted file mode 100644
index 4162c288..00000000
--- a/app/dts/behaviors/homerow_tap.dtsi
+++ /dev/null
@@ -1,12 +0,0 @@
-/ {
-	behaviors {
-		ht: behavior_homerow_mod {
-			compatible = "zmk,behavior-hold-tap";
-			label = "HOMEROW_MOD";
-			#binding-cells = <2>;
-			flavor = "balanced";
-			tapping_term_ms = <200>;
-			bindings = <&kp>, <&kp>;
-		};
-	};
-};
diff --git a/app/src/behaviors/behavior_hold_tap.c b/app/src/behaviors/behavior_hold_tap.c
index cd788f75..2c6d996e 100644
--- a/app/src/behaviors/behavior_hold_tap.c
+++ b/app/src/behaviors/behavior_hold_tap.c
@@ -29,6 +29,13 @@ LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
 // increase if you have keyboard with more keys.
 #define ZMK_BHV_HOLD_TAP_POSITION_NOT_USED 9999
 
+
+enum flavor {
+	ZMK_BHV_HOLD_TAP_FLAVOR_HOLD_PREFERRED = 0,
+	ZMK_BHV_HOLD_TAP_FLAVOR_BALANCED = 1,
+	ZMK_BHV_HOLD_TAP_FLAVOR_TAP_PREFERRED = 2,
+};
+
 struct behavior_hold_tap_behaviors {
 	struct zmk_behavior_binding tap;
 	struct zmk_behavior_binding hold;
@@ -39,7 +46,7 @@ typedef k_timeout_t (*timer_func)();
 struct behavior_hold_tap_config {
 	timer_func tapping_term_ms;
 	struct behavior_hold_tap_behaviors *behaviors;
-	int flavor;
+	enum flavor flavor;
 };
 
 // this data is specific for each hold-tap
@@ -197,9 +204,6 @@ static void decide_balanced(struct active_hold_tap *hold_tap, enum decision_mome
 		hold_tap->is_decided = true;
 		break;
 	case HT_OTHER_KEY_UP:
-		hold_tap->is_hold = 1;
-		hold_tap->is_decided = true;
-		break;
 	case HT_TIMER_EVENT:
 		hold_tap->is_hold = 1;
 		hold_tap->is_decided = true;
@@ -231,9 +235,6 @@ static void decide_hold_preferred(struct active_hold_tap *hold_tap, enum decisio
 		hold_tap->is_decided = true;
 		break;
 	case HT_OTHER_KEY_DOWN:
-		hold_tap->is_hold = 1;
-		hold_tap->is_decided = true;
-		break;
 	case HT_TIMER_EVENT:
 		hold_tap->is_hold = 1;
 		hold_tap->is_decided = true;
@@ -242,6 +243,18 @@ static void decide_hold_preferred(struct active_hold_tap *hold_tap, enum decisio
 	}
 }
 
+static inline char* flavor_str(enum flavor flavor) {
+	switch(flavor) {
+	case ZMK_BHV_HOLD_TAP_FLAVOR_HOLD_PREFERRED:
+		return "hold-preferred";
+	case ZMK_BHV_HOLD_TAP_FLAVOR_BALANCED:
+		return "balanced";
+	case ZMK_BHV_HOLD_TAP_FLAVOR_TAP_PREFERRED:
+		return "tap-preferred";
+	}
+	return "UNKNOWN FLAVOR";
+}
+
 static void decide_hold_tap(struct active_hold_tap *hold_tap, enum decision_moment event)
 {
 	if (hold_tap->is_decided) {
@@ -253,13 +266,13 @@ static void decide_hold_tap(struct active_hold_tap *hold_tap, enum decision_mome
 		return;
 	}
 
-	int flavor = hold_tap->config->flavor;
-	if (flavor == 1) {
+	switch(hold_tap->config->flavor) {
+	case ZMK_BHV_HOLD_TAP_FLAVOR_HOLD_PREFERRED:
+		decide_hold_preferred(hold_tap, event);
+	case ZMK_BHV_HOLD_TAP_FLAVOR_BALANCED:
 		decide_balanced(hold_tap, event);
-	} else if (flavor == 2) {
+	case ZMK_BHV_HOLD_TAP_FLAVOR_TAP_PREFERRED:
 		decide_tap_preferred(hold_tap, event);
-	} else if (flavor == 0) {
-		decide_hold_preferred(hold_tap, event);
 	}
 
 	if (!hold_tap->is_decided) {
@@ -269,7 +282,7 @@ static void decide_hold_tap(struct active_hold_tap *hold_tap, enum decision_mome
 	LOG_DBG("%d decided %s (%s event %d)", 
 		hold_tap->position, 
 		hold_tap->is_hold ? "hold" : "tap", 
-		flavor == 0 ? "hold-preferred" : flavor == 1 ? "balanced": "tap-preferred",
+		flavor_str(hold_tap->config->flavor),
 		event);
 	undecided_hold_tap = NULL;
 
diff --git a/docs/docs/behavior/hold-tap.md b/docs/docs/behavior/hold-tap.md
index b586b90e..fa68538b 100644
--- a/docs/docs/behavior/hold-tap.md
+++ b/docs/docs/behavior/hold-tap.md
@@ -31,9 +31,9 @@ A code example which configures a mod-tap setting that works with homerow mods:
 
 / {
 	behaviors {
-		&hm: homerow_mods {
+		hm: homerow_mods {
 			compatible = "zmk,behavior-hold-tap";
-			label = "homerow_mods";
+			label = "HOMEROW_MODS";
 			#binding-cells = <2>;
 			tapping_term_ms = <175>;
 			flavor = "balanced";