Enable touchpad tap-to-click.

 Ported from Slick Greeter by Mike Gabriel.

 https://github.com/linuxmint/slick-greeter/commit/85f83be9977faf2482d38d2cc289f0542b1c06a4

1 files changed, 40 insertions, 0 deletions

diff --git a/arctica-greeter-enable-tap-to-click b/arctica-greeter-enable-tap-to-click
new file mode 100755
index 0000000..105eabe
--- /dev/null
+++ b/arctica-greeter-enable-tap-to-click
@@ -0,0 +1,40 @@
+#!/usr/bin/python3
+
+import sys
+import os
+import syslog
+import subprocess
+import re
+
+if __name__ == '__main__':
+
+    try:
+        output = subprocess.check_output(["xinput", "list"]).decode("UTF-8")
+        for line in output.splitlines():
+            line = line.strip().lower()
+            if "pointer" in line:
+                m = re.search(r'id=(\d+)', line)
+                if m:
+                    if len(m.groups()) > 0:
+                        device_id = m.groups()[0]
+                        syslog.syslog(f"Found xinput pointer: id={device_id}")
+                        props = subprocess.check_output(["xinput", "list-props", device_id]).decode("UTF-8")
+                        for prop in props.splitlines():
+                            prop = prop.strip()
+                            if "Tapping Enabled Default" in prop:
+                                continue
+                            if "Tapping Enabled" in prop:
+                                syslog.syslog("  --> This device has a tap-to-click property")
+                                m = re.search(r'Tapping Enabled \((\d+)\):', prop)
+                                if m:
+                                    if len(m.groups()) > 0:
+                                        prop_id = m.groups()[0]
+                                        syslog.syslog(f"  --> Tapping Enabled property ID: {prop_id}")
+                                        syslog.syslog(f"  --> Calling 'xinput set-prop {device_id} {prop_id} 1'")
+                                        subprocess.check_output(["xinput", "set-prop", device_id, prop_id, "1"])
+
+    except Exception as e:
+        # best effort, syslog it and bail out
+        syslog.syslog("ERROR: %s" % e)
+
+    sys.exit(0)