def get_modifiers_from_keycodes(xkbmap_keycodes):
"""
Some platforms can't tell us about modifier mappings
So we try to find matches from the defaults below:
"""
from xpra.keyboard.mask import DEFAULT_MODIFIER_MEANINGS
pref = DEFAULT_MODIFIER_MEANINGS
#keycodes are: {keycode : (keyval, name, keycode, group, level)}
matches = {}
log("get_modifiers_from_keycodes(%s...)", str(xkbmap_keycodes))
log("get_modifiers_from_keycodes(%s...)", str(xkbmap_keycodes)[:160])
all_keynames = set()
for entry in xkbmap_keycodes:
_, keyname, _, _, _ = entry
modifier = pref.get(keyname)
if modifier:
keynames = matches.setdefault(modifier, set())
keynames.add(keyname)
all_keynames.add(keyname)
#try to add missings ones (magic!)
defaults = {}
for keyname, modifier in DEFAULT_MODIFIER_MEANINGS.items():
if keyname in all_keynames:
continue #aleady defined
if modifier not in matches:
#define it since it is completely missing
defaults.setdefault(modifier, set()).add(keyname)
elif modifier in ["shift", "lock", "control", "mod1", "mod2"] or keyname=="ISO_Level3_Shift":
#these ones we always add them, even if a record for this modifier already exists
matches.setdefault(modifier, set()).add(keyname)
log("get_modifiers_from_keycodes(...) adding defaults: %s", defaults)
matches.update(defaults)
log("get_modifiers_from_keycodes(...)=%s", matches)
return matches
def get_modifiers_from_keycodes(xkbmap_keycodes, add_default_modifiers=True):
"""
Some platforms can't tell us about modifier mappings
So we try to find matches from the defaults below:
"""
from xpra.keyboard.mask import DEFAULT_MODIFIER_MEANINGS
pref = DEFAULT_MODIFIER_MEANINGS
#keycodes are: {keycode : (keyval, name, keycode, group, level)}
matches = {}
log("get_modifiers_from_keycodes(%s...)", str(xkbmap_keycodes)[:160])
all_keynames = set()
for entry in xkbmap_keycodes:
_, keyname, _, _, _ = entry
modifier = pref.get(keyname)
if modifier:
keynames = matches.setdefault(modifier, set())
keynames.add(keyname)
all_keynames.add(keyname)
if add_default_modifiers:
#try to add missings ones (magic!)
defaults = {}
for keyname, modifier in DEFAULT_MODIFIER_MEANINGS.items():
if keyname in all_keynames:
continue #aleady defined
if modifier not in matches:
#define it since it is completely missing
defaults.setdefault(modifier, set()).add(keyname)
elif modifier in ["shift", "lock", "control", "mod1", "mod2"
] or keyname == "ISO_Level3_Shift":
#these ones we always add them, even if a record for this modifier already exists
matches.setdefault(modifier, set()).add(keyname)
log("get_modifiers_from_keycodes(...) adding defaults: %s", defaults)
matches.update(defaults)
log("get_modifiers_from_keycodes(...)=%s", matches)
return matches
def is_modifier(self, keyname, keycode):
if keyname in DEFAULT_MODIFIER_MEANINGS.keys():
return True
#keyboard config should always exist if we are here?
if self.keyboard_config:
return self.keyboard_config.is_modifier(keycode)
return False
