Set screen width and height as default variables

flake.lock

@@ -0,0 +1,41 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1654845941,
+        "narHash": "sha256-uXulXu4BQ9ch1ItV0FlL2Ns8X83m6unT5h/0X//VRLQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "7b3e907a6fef935794b5049c2c57c519853deb90",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,14 @@
+{
+  description = "";
+
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let pkgs = nixpkgs.legacyPackages.${system}; in
+        {
+          devShell = import ./shell.nix { inherit pkgs; };
+        }
+      );
+}

mouse/__init__.py

@@ -166,10 +166,6 @@ def on_button(callback, args=(), buttons=(LEFT, MIDDLE, RIGHT, X, X2), types=(UP
                 callback(*args)
     _listener.add_handler(handler)
     return handler
-    
-def on_pressed(callback, args=()):
-    """ Invokes `callback` with `args` when the left button is pressed. """
-    return on_button(callback, args, [LEFT], [DOWN])
 
 def on_click(callback, args=()):
     """ Invokes `callback` with `args` when the left button is clicked. """

mouse/_nixcommon.py

@@ -20,8 +20,6 @@ EV_REL = 0x02
 EV_ABS = 0x03
 EV_MSC = 0x04
 
-INVALID_ARGUMENT_ERRNO = 22
-
 def make_uinput():
     import fcntl, struct
 
@@ -31,12 +29,8 @@ def make_uinput():
     fcntl.ioctl(uinput, UI_SET_EVBIT, EV_KEY)
 
     UI_SET_KEYBIT = 0x40045565
-    try:
-        for i in range(0x300):
-            fcntl.ioctl(uinput, UI_SET_KEYBIT, i)
-    except OSError as e:
-        if e.errno != INVALID_ARGUMENT_ERRNO:
-            raise e
+    for i in range(256):
+        fcntl.ioctl(uinput, UI_SET_KEYBIT, i)
 
     BUS_USB = 0x03
     uinput_user_dev = "80sHHHHi64i64i64i64i"

proarbeit.py

@@ -3,12 +3,13 @@ from secrets import randbelow
 from time import sleep
 
 
-def erratic_movement(screen_width, screen_height):
+def erratic_movement(screen_width=800, screen_height=600):
     """
     Moves the cursor to a random position with the screen's width and height as an upper bound
     """
     move(
-        randbelow(screen_width), randbelow(screen_height),
+        randbelow(screen_width),
+        randbelow(screen_height),
     )
 
 
@@ -16,10 +17,8 @@ def main():
     """
     Calls the movement function in an infinite loop, with a random delay between each call
     """
-    screen_width = 800
-    screen_height = 600
     while True:
-        erratic_movement(screen_width, screen_height)
+        erratic_movement()
         sleep(randbelow(90))