mapped a D-Pad button

data/key-mapper.glade

@@ -689,7 +689,7 @@
 "Shift_L", "Shift_R"
 "Alt_L", "Alt_R"
 "Control_R"
-"Mouse_1" - "Mouse_5"</property>
+"BTN_LEFT"</property>
                         <property name="margin_top">5</property>
                         <property name="margin_bottom">5</property>
                         <property name="label" translatable="yes">Mapping</property>

keymapper/dev/ev_abs_mapper.py

@@ -45,7 +45,6 @@ JOYSTICK = [
 
 def _write(device, ev_type, keycode, value):
     """Inject."""
-    print('move mouse', ev_type, keycode, value)
     device.write(ev_type, keycode, value)
     device.syn()
 

keymapper/dev/injector.py

@@ -202,10 +202,13 @@ class KeycodeInjector:
         if len(self.mapping) > 0 and capabilities.get(ecodes.EV_KEY) is None:
             capabilities[ecodes.EV_KEY] = []
 
-        for (ev_type, _), character in self.mapping:
+        for (ev_type, keycode), character in self.mapping:
+            if not should_map_event_as_btn(ev_type, keycode):
+                continue
+
             keycode = system_mapping.get(character)
             if keycode is not None:
-                capabilities[ev_type].append(keycode - KEYCODE_OFFSET)
+                capabilities[EV_KEY].append(keycode - KEYCODE_OFFSET)
 
         if abs_to_rel:
             del capabilities[ecodes.EV_ABS]
@@ -215,6 +218,12 @@ class KeycodeInjector:
                 # for my system to recognize it as mouse, WHEEL is also needed:
                 evdev.ecodes.REL_WHEEL,
             ]
+            if capabilities.get(ecodes.EV_KEY) is None:
+                capabilities[ecodes.EV_KEY] = []
+            # for reasons I don't know, it is required to have a capability
+            # for any keyboard key present to enable mouse movements.
+            # TODO test
+            capabilities[ecodes.EV_KEY].append(ecodes.KEY_0)
 
         # just like what python-evdev does in from_device
         if ecodes.EV_SYN in capabilities:
@@ -222,8 +231,6 @@ class KeycodeInjector:
         if ecodes.EV_FF in capabilities:
             del capabilities[ecodes.EV_FF]
 
-        print(capabilities)
-
         return capabilities
 
     async def _msg_listener(self, loop):
@@ -363,7 +370,7 @@ class KeycodeInjector:
                     self.abs_state[1] = event.value
                 continue
 
-            if should_map_event_as_btn(event):
+            if should_map_event_as_btn(event.type, event.code):
                 handle_keycode(code_code_mapping, macros, event, uinput)
                 continue
 

keymapper/dev/keycode_mapper.py

@@ -30,7 +30,7 @@ from keymapper.logger import logger
 from keymapper.state import KEYCODE_OFFSET
 
 
-def should_map_event_as_btn(event):
+def should_map_event_as_btn(type, code):
     """Does this event describe a button.
 
     Especially important for gamepad events, some of the buttons
@@ -38,13 +38,16 @@ def should_map_event_as_btn(event):
 
     Parameters
     ----------
-    event : evdev.events.InputEvent
+    type : int
+        one of evdev.events
+    code : int
+        linux keycode
     """
     # TODO test
-    if event.type == evdev.events.EV_KEY:
+    if type == evdev.events.EV_KEY:
         return True
 
-    if event.type == evdev.events.EV_ABS and event.code > 5:
+    if type == evdev.events.EV_ABS and code > 5:
         # 1 - 5 seem to be joystick events
         return True
 
@@ -67,6 +70,7 @@ def handle_keycode(code_code_mapping, macros, event, uinput):
         return
 
     input_keycode = event.code
+    input_type = event.type
 
     # for logging purposes. It should log the same keycode as xev and gtk,
     # which is also displayed in the UI.
@@ -89,8 +93,9 @@ def handle_keycode(code_code_mapping, macros, event, uinput):
 
     if input_keycode in code_code_mapping:
         target_keycode = code_code_mapping[input_keycode]
+        target_type = evdev.events.EV_KEY
         logger.spam(
-            'got code:%s value:%s event:%s, maps to code:%s',
+            'got code:%s value:%s event:%s, maps to EV_KEY:%s',
             xkb_keycode,
             event.value,
             evdev.ecodes.EV[event.type],
@@ -103,7 +108,8 @@ def handle_keycode(code_code_mapping, macros, event, uinput):
             event.value,
         )
         target_keycode = input_keycode
+        target_type = input_type
 
-    print('write', event.type, target_keycode, event.value)
+    print('write', target_type, target_keycode, event.value)
-    uinput.write(event.type, target_keycode, event.value)
+    uinput.write(target_type, target_keycode, event.value)
     uinput.syn()

keymapper/dev/reader.py

@@ -111,7 +111,7 @@ class _KeycodeReader:
 
         # TODO write a test to map event `type 3 (EV_ABS), code 16
         #  (ABS_HAT0X), value 0` to a button
-        if should_map_event_as_btn(event):
+        if should_map_event_as_btn(event.type, event.code):
             logger.spam(
                 'got code:%s value:%s type:%s',
                 event.code + KEYCODE_OFFSET,

keymapper/gtk/row.py

@@ -27,8 +27,6 @@ gi.require_version('Gtk', '3.0')
 gi.require_version('GLib', '2.0')
 from gi.repository import Gtk, GLib
 
-from evdev.ecodes import EV_KEY
-
 from keymapper.state import custom_mapping
 from keymapper.logger import logger
 
@@ -36,6 +34,11 @@ from keymapper.logger import logger
 CTX_KEYCODE = 2
 
 
+# TODO display the constant name instead of numbers.
+#  displaying the event type won't be needed anymore then.
+#  and the whole offset thing probably drops away
+
+
 class Row(Gtk.ListBoxRow):
     """A single, configurable key mapping."""
     __gtype_name__ = 'ListBoxRow'