add hold-tap interrupt behavior: prefer hold.

The interrupt resolution of hold-tap keys can now be set to resolve to
either tap or hold key. The default mod-tap is set to prefer hold.

kmk/key_validators.py

@@ -22,11 +22,11 @@ def layer_key_validator(layer, kc=None):
     return LayerKeyMeta(layer=layer, kc=kc)
 
 
-def mod_tap_validator(kc, mods=None):
+def mod_tap_validator(kc, mods=None, prefer_hold=True):
     '''
     Validates that mod tap keys are correctly used
     '''
-    return ModTapKeyMeta(kc=kc, mods=mods)
+    return ModTapKeyMeta(kc=kc, mods=mods, prefer_hold=prefer_hold)
 
 
 def tap_dance_key_validator(*codes):

kmk/modules/holdtap.py

@@ -112,7 +112,13 @@ class HoldTap(Module):
         pass
 
     def ht_activate_on_interrupt(self, key, keyboard, *args, **kwargs):
-        self.ht_activate_tap(key, keyboard, *args, **kwargs)
+        if key.meta.prefer_hold:
+            self.ht_activate_hold(key, keyboard, *args, **kwargs)
+        else:
+            self.ht_activate_tap(key, keyboard, *args, **kwargs)
 
     def ht_deactivate_on_interrupt(self, key, keyboard, *args, **kwargs):
-        self.ht_deactivate_tap(key, keyboard, *args, **kwargs)
+        if key.meta.prefer_hold:
+            self.ht_deactivate_hold(key, keyboard, *args, **kwargs)
+        else:
+            self.ht_deactivate_tap(key, keyboard, *args, **kwargs)

kmk/types.py

@@ -18,9 +18,10 @@ class LayerKeyMeta:
 
 
 class ModTapKeyMeta:
-    def __init__(self, kc=None, mods=None):
-        self.mods = mods
+    def __init__(self, kc=None, mods=None, prefer_hold=True):
+        self.prefer_hold = prefer_hold
         self.kc = kc
+        self.mods = mods
 
 
 class KeySequenceMeta: