mouse input range

kvmd/apps/__init__.py

@@ -363,7 +363,19 @@ def _get_config_scheme() -> Dict:
 
             "hid": {
                 "type": Option("", type=valid_stripped_string_not_empty),
+
                 "keymap": Option("/usr/share/kvmd/keymaps/en-us", type=valid_abs_file),
+
+                "mouse_x_range": {
+                    "min": Option(-32768, type=valid_hid_mouse_move),
+                    "max": Option(32767,  type=valid_hid_mouse_move),
+                },
+
+                "mouse_y_range": {
+                    "min": Option(-32768, type=valid_hid_mouse_move),
+                    "max": Option(32767,  type=valid_hid_mouse_move),
+                },
+
                 # Dynamic content
             },
 

kvmd/apps/kvmd/__init__.py

@@ -59,7 +59,7 @@ def main(argv: Optional[List[str]]=None) -> None:
     if config.kvmd.msd.type == "otg":
         msd_kwargs["gadget"] = config.otg.gadget  # XXX: Small crutch to pass gadget name to the plugin
 
-    hid_kwargs = config.kvmd.hid._unpack(ignore=["type", "keymap"])
+    hid_kwargs = config.kvmd.hid._unpack(ignore=["type", "keymap", "mouse_x_range", "mouse_y_range"])
     if config.kvmd.hid.type == "otg":
         hid_kwargs["udc"] = config.otg.udc  # XXX: Small crutch to pass UDC to the plugin
 
@@ -104,6 +104,8 @@ def main(argv: Optional[List[str]]=None) -> None:
         sync_chunk_size=config.server.sync_chunk_size,
 
         keymap_path=config.hid.keymap,
+        mouse_x_range=(config.hid.mouse_x_range.min, config.hid.mouse_x_range.max),
+        mouse_y_range=(config.hid.mouse_y_range.min, config.hid.mouse_y_range.max),
 
         stream_forever=config.streamer.forever,
     ).run(**config.server._unpack(ignore=["heartbeat", "sync_chunk_size"]))

kvmd/apps/kvmd/api/hid.py

@@ -24,6 +24,7 @@ import os
 import stat
 import functools
 
+from typing import Tuple
 from typing import Dict
 from typing import Set
 from typing import Callable
@@ -55,14 +56,25 @@ from ..http import make_json_response
 
 # =====
 class HidApi:
-    def __init__(self, hid: BaseHid, keymap_path: str) -> None:
+    def __init__(
+        self,
+        hid: BaseHid,
+
+        keymap_path: str,
+
+        mouse_x_range: Tuple[int, int],
+        mouse_y_range: Tuple[int, int],
+    ) -> None:
+
         self.__hid = hid
 
         self.__keymaps_dir_path = os.path.dirname(keymap_path)
         self.__default_keymap_name = os.path.basename(keymap_path)
-
         self.__ensure_symmap(self.__default_keymap_name)
 
+        self.__mouse_x_range = mouse_x_range
+        self.__mouse_y_range = mouse_y_range
+
     # =====
 
     @exposed_http("GET", "/hid")
@@ -157,8 +169,8 @@ class HidApi:
     @exposed_ws("mouse_move")
     async def __ws_mouse_move_handler(self, _: WebSocketResponse, event: Dict) -> None:
         try:
-            to_x = valid_hid_mouse_move(event["to"]["x"])
-            to_y = valid_hid_mouse_move(event["to"]["y"])
+            to_x = valid_hid_mouse_move(event["to"]["x"], *self.__mouse_x_range)
+            to_y = valid_hid_mouse_move(event["to"]["y"], *self.__mouse_y_range)
         except Exception:
             return
         self.__hid.send_mouse_move_event(to_x, to_y)
@@ -220,8 +232,8 @@ class HidApi:
 
     @exposed_http("POST", "/hid/events/send_mouse_move")
     async def __events_send_mouse_move_handler(self, request: Request) -> Response:
-        to_x = valid_hid_mouse_move(request.query.get("to_x"))
-        to_y = valid_hid_mouse_move(request.query.get("to_y"))
+        to_x = valid_hid_mouse_move(request.query.get("to_x"), *self.__mouse_x_range)
+        to_y = valid_hid_mouse_move(request.query.get("to_y"), *self.__mouse_y_range)
         self.__hid.send_mouse_move_event(to_x, to_y)
         return make_json_response()
 

kvmd/apps/kvmd/server.py

@@ -27,6 +27,7 @@ import operator
 import dataclasses
 import json
 
+from typing import Tuple
 from typing import List
 from typing import Dict
 from typing import Set
@@ -142,7 +143,7 @@ class _WsClient:
 
 
 class KvmdServer(HttpServer):  # pylint: disable=too-many-arguments,too-many-instance-attributes
-    def __init__(  # pylint: disable=too-many-arguments
+    def __init__(  # pylint: disable=too-many-arguments,too-many-locals
         self,
         auth_manager: AuthManager,
         info_manager: InfoManager,
@@ -160,6 +161,8 @@ class KvmdServer(HttpServer):  # pylint: disable=too-many-arguments,too-many-ins
         sync_chunk_size: int,
 
         keymap_path: str,
+        mouse_x_range: Tuple[int, int],
+        mouse_y_range: Tuple[int, int],
 
         stream_forever: bool,
     ) -> None:
@@ -199,7 +202,7 @@ class KvmdServer(HttpServer):  # pylint: disable=too-many-arguments,too-many-ins
             LogApi(log_reader),
             WolApi(wol),
             UserGpioApi(user_gpio),
-            HidApi(hid, keymap_path),
+            HidApi(hid, keymap_path, mouse_x_range, mouse_y_range),
             AtxApi(atx),
             MsdApi(msd, sync_chunk_size),
             StreamerApi(streamer),

kvmd/validators/hid.py

@@ -42,9 +42,9 @@ def valid_hid_key(arg: Any) -> str:
     return check_string_in_list(arg, "Keyboard key", KEYMAP, lower=False)
 
 
-def valid_hid_mouse_move(arg: Any) -> int:
+def valid_hid_mouse_move(arg: Any, move_min: int=-32768, move_max: int=32767) -> int:
     arg = valid_number(arg, name="Mouse move")
-    return min(max(-32768, arg), 32767)
+    return min(max(move_min, arg), move_max)
 
 
 def valid_hid_mouse_button(arg: Any) -> str: