#14 layer tap action

action/action_type.py

@@ -7,3 +7,4 @@ class ActionType(Enum):
     LayerOnAction = 3
     LayerModAction = 4
     LayerToggleAction = 5
+    LayerTapAction = 6

action/layer_tap_action.py

@@ -0,0 +1,31 @@
+from evdev.events import KeyEvent
+
+import host
+import mapper
+from action.action_type import ActionType
+from log import debug
+
+
+class LayerTapAction:
+    type: ActionType
+    layer: int
+    key: int
+
+    def __init__(self, layer, key):
+        self.type = ActionType.LayerTapAction
+        self.layer = layer
+        self.key = key
+
+    def handle(self, ui, e, config, pos, *args):
+        debug('-- handling layer tap action --')
+        if e.value == KeyEvent.key_down:
+            debug(f'LT is pressed, enabling layer [{self.layer}]')
+            mapper.enable_layer(self.layer, self, config)
+        else:
+            debug(f'LT is released, disabling layer [{self.layer}]')
+            mapper.disable_layer(ui, self.layer, config)
+            since_last_press = (e.timestamp() - mapper.last_press_timestamps[pos]) * 1000
+            debug(f'since last press: {since_last_press}')
+            if since_last_press <= config.tapping_term:
+                debug('writing key press')
+                host.write_tap(ui, self.key)

key.py

@@ -2,6 +2,7 @@
 
 from action.layer_mod_action import LayerModAction
 from action.layer_on_action import LayerOnAction
+from action.layer_tap_action import LayerTapAction
 from action.layer_toggle_action import LayerToggleAction
 from action.mod_key_action import ModKeyAction
 from action.mod_tap_action import ModTapAction
@@ -710,3 +711,7 @@ def LM(layer, *modifiers):
 
 def TG(layer):
     return LayerToggleAction(layer)
+
+
+def LT(layer, key):
+    return LayerTapAction(layer, key)