from . import base
from .. import bar, hook, xcbq
[docs]class Clipboard(base._TextBox):
"""
Display current clipboard contents.
"""
defaults = [
("selection", "CLIPBOARD",
"the selection to display(CLIPBOARD or PRIMARY)"),
("max_width", 10, "maximum number of characters to display "
"(None for all, useful when width is bar.STRETCH)"),
("timeout", 10,
"Default timeout (seconds) for display text, None to keep forever"),
("blacklist", ["keepassx"],
"list with blacklisted wm_class, sadly not every "
"clipboard window sets them, keepassx does."
"Clipboard contents from blacklisted wm_classes "
"will be replaced by the value of ``blacklist_text``."),
("blacklist_text", "***********",
"text to display when the wm_class is blacklisted")
]
def __init__(self, width=bar.CALCULATED, **config):
base._TextBox.__init__(self, "", width, **config)
self.add_defaults(Clipboard.defaults)
self.timeout_id = None
def _configure(self, qtile, bar):
base._TextBox._configure(self, qtile, bar)
self.text = ""
self.setup_hooks()
def clear(self, *args):
self.text = ""
self.bar.draw()
def is_blacklisted(self, owner_id):
if not self.blacklist:
return False
if owner_id in self.qtile.windowMap:
owner = self.qtile.windowMap[owner_id].window
else:
owner = xcbq.Window(self.qtile.conn, owner_id)
owner_class = owner.get_wm_class()
if owner_class:
for wm_class in self.blacklist:
if wm_class in owner_class:
return True
def setup_hooks(self):
def hook_change(name, selection):
if name != self.selection:
return
if self.is_blacklisted(selection["owner"]):
text = self.blacklist_text
else:
text = selection["selection"].replace("\n", " ")
text = text.strip()
if self.max_width is not None and len(text) > self.max_width:
text = text[:self.max_width] + "..."
self.text = text
if self.timeout_id:
self.timeout_id.cancel()
self.timeout_id = None
if self.timeout:
self.timeout_id = self.timeout_add(self.timeout, self.clear)
self.bar.draw()
def hook_notify(name, selection):
if name != self.selection:
return
if self.timeout_id:
self.timeout_id.cancel()
self.timeout_id = None
# only clear if don't change don't apply in .5 seconds
self.timeout_id = self.timeout_add(.5, self.clear)
hook.subscribe.selection_notify(hook_notify)
hook.subscribe.selection_change(hook_change)