Merge pull request #4778 from whot/xkb-fixed-layout

Xkb fixed layout

hwdb/60-keyboard.hwdb

@@ -4,7 +4,7 @@
 # scan codes to add to the AT keyboard's 'force-release' list.
 #
 # The lookup keys are composed in:
-#   60-keyboard.rules
+#   60-evdev.rules
 #
 # Note: The format of the "evdev:" prefix match key is a
 # contract between the rules file and the hardware data, it might
@@ -42,6 +42,13 @@
 #
 # To debug key presses and access scan code mapping data of
 # an input device use the commonly available tool: evtest(1).
+
+# A device with a fixed keyboard layout that must not be changed by
+# the desktop environment may specify that layout as:
+#   XKB_FIXED_LAYOUT="us"
+#   XKB_FIXED_VARIANT=""
+# Examples of such devices: the Yubikey or other key-code generating
+# devices.
 #
 # To update this file, create a new file
 #   /etc/udev/hwdb.d/70-keyboard.hwdb
@@ -1244,3 +1251,14 @@ evdev:atkbd:dmi:bvn*:bvr*:bd*:svnDIXONSP:pnDIXON*:pvr*
  KEYBOARD_KEY_a0=!                                      # mute
  KEYBOARD_KEY_ae=!                                      # volume down
  KEYBOARD_KEY_b0=!                                      # volume up
+
+###########################################################
+# Fixed layout devices
+###########################################################
+
+# Yubico Yubico Yubikey II"
+evdev:input:b0003v1050p0010*
+# Yubico Yubikey NEO OTP+CCID
+evdev:input:b0003v1050p0111*
+ XKB_FIXED_LAYOUT="us"
+ XKB_FIXED_VARIANT=""

hwdb/parse_hwdb.py

@@ -37,7 +37,7 @@ try:
                            LineStart, LineEnd,
                            ZeroOrMore, OneOrMore, Combine, Or, Optional, Suppress, Group,
                            nums, alphanums, printables,
-                           stringEnd, pythonStyleComment,
+                           stringEnd, pythonStyleComment, QuotedString,
                            ParseBaseException)
 except ImportError:
     print('pyparsing is not available')
@@ -59,6 +59,7 @@ EOL = LineEnd().suppress()
 EMPTYLINE = LineEnd()
 COMMENTLINE = pythonStyleComment + EOL
 INTEGER = Word(nums)
+STRING =  QuotedString('"')
 REAL = Combine((INTEGER + Optional('.' + Optional(INTEGER))) ^ ('.' + INTEGER))
 UDEV_TAG = Word(string.ascii_uppercase, alphanums + '_')
 
@@ -76,7 +77,7 @@ def hwdb_grammar():
                 for category, conn in TYPES.items())
     matchline = Combine(prefix + Word(printables + ' ' + '®')) + EOL
     propertyline = (White(' ', exact=1).suppress() +
-                    Combine(UDEV_TAG - '=' - Word(alphanums + '_=:@*.! ') - Optional(pythonStyleComment)) +
+                    Combine(UDEV_TAG - '=' - Word(alphanums + '_=:@*.! "') - Optional(pythonStyleComment)) +
                     EOL)
     propertycomment = White(' ', exact=1) + pythonStyleComment + EOL
 
@@ -103,6 +104,8 @@ def property_grammar():
              ('POINTINGSTICK_SENSITIVITY', INTEGER),
              ('POINTINGSTICK_CONST_ACCEL', REAL),
              ('ID_INPUT_TOUCHPAD_INTEGRATION', Or(('internal', 'external'))),
+             ('XKB_FIXED_LAYOUT', STRING),
+             ('XKB_FIXED_VARIANT', STRING)
     )
     fixed_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE')
                    for name, val in props]