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--- lehrkraefte:blc:plg:stift [2023/11/03 10:59]
Karlheinz Schubert [Stift bei mehreren Bildschirmen]
+++ lehrkraefte:blc:plg:stift [2024/01/20 10:59] (current)
Karlheinz Schubert
@@ Line 21: / Line 21: @@
 Folgendes Python-Script behebt das Problem, indem es den Stift nur auf den TouchScreen des Laptops (eDP-1) mapped:
-{{lehrkraefte:sbt:map-pen.py}}
+{{lehrkreafte:sbt:map-pen.py |}}
 <code python>
-#!/usr/bin/python3
+#!/usr/bin/env -S python3
 import subprocess
@@ Line 29: / Line 29: @@
 import sys
-displayId = "eDP-1"
+# configure you devices:
-devNames = ["Pen stylus", "Finger touch", "Pen eraser"]
+display_id_wayland = "XWAYLAND0"
+device_names_wayland = ["xwayland-touch", "xwayland-tablet stylus", "xwayland-tablet eraser", "xwayland-tablet cursor"]
+display_id_x11 = "eDP-1"
+device_names_x11 = ["Wacom Pen and multitouch sensor Finger touch", "Wacom Pen and multitouch sensor Pen stylus", "Wacom Pen and multitouch sensor Pen eraser"]
+# end configure
 verbose = False
+def is_wayland():
+    """check sessiontype (Wayland or X11)"""
+    ret_value = cmd("echo $XDG_SESSION_TYPE").lower()
+    return ret_value == "wayland\n"
 def cmd(c):
+    """run shell command and return output, if verbose print command and output"""
     print(c) if verbose else None
     res = subprocess.check_output(c, shell=True).decode()
@@ Line 41: / Line 53: @@
-def getIDs(dev):
+def get_device_id(device_name):
-    id = re.search(
+    """get xinput device id for device name"""
-        r"id=(\d+)", [l for l in cmd("xinput").split("\n") if re.search(dev, l)][0]
+    id = re.search(r"id=(\d+)", [l for l in cmd("xinput").split("\n") if re.search(device_name, l)][0]).group(1)
-    ).group(1)
+    return int(id) if id else 0
-    return id
-def setXinputMap(devId, displayId):
+def set_xinput_mapping(device_id, display_id):
-    cmd(f"xinput map-to-output {devId} {displayId}")
+    cmd(f"xinput map-to-output {device_id} {display_id}")
 if __name__ == "__main__":
-    args = sys.argv[1:]
+    try:
-    if len(args) > 0 and ("-v" in args or "--verbose" in args):
+        args = sys.argv[1:]
-        verbose = True
+        if len(args) > 0 and ("-v" in args or "--verbose" in args):
-    else:
+            verbose = True
-        print("Use -v or --verbose to see xinput output\nSet mappings:")
+        else:
+            print("Use -v or --verbose to see xinput output\nSet mappings:")
-    nameLength = max([len(n) for n in devNames])
+        is_wayland()
-    for devName in devNames:
+        if is_wayland():
-        devId = getIDs(devName)
+            display_id = display_id_wayland
-        print(f" - Map {devName:{nameLength}} with Id={devId:02} to '{displayId}'")
+            device_names = device_names_wayland
-        setXinputMap(devId, displayId)
+        else:
+            display_id = display_id_x11
+            device_names = device_names_x11
+        name_length = max([len(n) for n in device_names])
+        for device_name in device_names:
+            device_id = get_device_id(device_name)
+            print(f" - Map {device_name:{name_length}} with Id={device_id:02d} to '{display_id}'")
+            set_xinput_mapping(device_id, display_id)
+    except Exception as e:
+        print(e)
     print("")
+    input("Press Enter to continue...")
 </code>.
 Mit --verbose (oder -v) aufrufen, um //xinput// Ausgaben zu zeigen.
 </hidden>