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systray.py
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systray.py
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# Copyright (c) 2010 Aldo Cortesi
# Copyright (c) 2010-2011 dequis
# Copyright (c) 2010, 2012 roger
# Copyright (c) 2011 Mounier Florian
# Copyright (c) 2011-2012, 2014 Tycho Andersen
# Copyright (c) 2012 dmpayton
# Copyright (c) 2012-2013 Craig Barnes
# Copyright (c) 2013 hbc
# Copyright (c) 2013 Tao Sauvage
# Copyright (c) 2014 Sean Vig
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from . import base
from libqtile import bar, window
from libqtile.backend.x11 import xcbq
import xcffib
from xcffib.xproto import (ClientMessageEvent, ClientMessageData, EventMask,
SetMode)
XEMBED_PROTOCOL_VERSION = 0
class Icon(window._Window):
_window_mask = EventMask.StructureNotify | \
EventMask.PropertyChange | \
EventMask.Exposure
def __init__(self, win, qtile, systray):
window._Window.__init__(self, win, qtile)
self.systray = systray
self.update_size()
def update_size(self):
icon_size = self.systray.icon_size
self.update_hints()
try:
width = self.hints["min_width"]
height = self.hints["min_height"]
except KeyError:
width = icon_size
height = icon_size
if height > icon_size:
width = width * icon_size // height
height = icon_size
if height <= 0:
width = icon_size
height = icon_size
self.width = width
self.height = height
return False
def handle_PropertyNotify(self, e): # noqa: N802
name = self.qtile.conn.atoms.get_name(e.atom)
if name == "_XEMBED_INFO":
info = self.window.get_property('_XEMBED_INFO', unpack=int)
if info and info[1]:
self.systray.bar.draw()
return False
def handle_DestroyNotify(self, event): # noqa: N802
wid = event.window
del(self.qtile.windows_map[wid])
del(self.systray.icons[wid])
self.systray.bar.draw()
return False
handle_UnmapNotify = handle_DestroyNotify # noqa: N815
class Systray(window._Window, base._Widget):
"""A widget that manages system tray"""
_window_mask = EventMask.StructureNotify | \
EventMask.Exposure
orientations = base.ORIENTATION_HORIZONTAL
defaults = [
('icon_size', 20, 'Icon width'),
('padding', 5, 'Padding between icons'),
]
def __init__(self, **config):
base._Widget.__init__(self, bar.CALCULATED, **config)
self.add_defaults(Systray.defaults)
self.icons = {}
self.screen = 0
def calculate_length(self):
width = sum(i.width for i in self.icons.values())
width += self.padding * len(self.icons)
return width
def _configure(self, qtile, bar):
base._Widget._configure(self, qtile, bar)
win = qtile.conn.create_window(-1, -1, 1, 1)
window._Window.__init__(self, xcbq.Window(qtile.conn, win.wid), qtile)
qtile.windows_map[win.wid] = self
# Even when we have multiple "Screen"s, we are setting up as the system
# tray on a particular X display, that is the screen we need to
# reference in the atom
if qtile.current_screen:
self.screen = qtile.current_screen.index
self.bar = bar
atoms = qtile.conn.atoms
qtile.conn.conn.core.SetSelectionOwner(
win.wid,
atoms['_NET_SYSTEM_TRAY_S{:d}'.format(self.screen)],
xcffib.CurrentTime
)
data = [
xcffib.CurrentTime,
atoms['_NET_SYSTEM_TRAY_S{:d}'.format(self.screen)],
win.wid, 0, 0
]
union = ClientMessageData.synthetic(data, "I" * 5)
event = ClientMessageEvent.synthetic(
format=32,
window=qtile.root.wid,
type=atoms['MANAGER'],
data=union
)
qtile.root.send_event(event, mask=EventMask.StructureNotify)
def handle_ClientMessage(self, event): # noqa: N802
atoms = self.qtile.conn.atoms
opcode = event.type
data = event.data.data32
message = data[1]
wid = data[2]
conn = self.qtile.conn.conn
parent = self.bar.window.window
if opcode == atoms['_NET_SYSTEM_TRAY_OPCODE'] and message == 0:
w = xcbq.Window(self.qtile.conn, wid)
icon = Icon(w, self.qtile, self)
self.icons[wid] = icon
self.qtile.windows_map[wid] = icon
conn.core.ChangeSaveSet(SetMode.Insert, wid)
conn.core.ReparentWindow(wid, parent.wid, 0, 0)
conn.flush()
info = icon.window.get_property('_XEMBED_INFO', unpack=int)
if not info:
self.bar.draw()
return False
if info[1]:
self.bar.draw()
return False
def draw(self):
xoffset = self.padding
self.drawer.clear(self.background or self.bar.background)
self.drawer.draw(offsetx=self.offset, width=self.length)
for pos, icon in enumerate(self.icons.values()):
icon.window.set_attribute(backpixmap=self.drawer.pixmap)
icon.place(
self.offset + xoffset,
self.bar.height // 2 - self.icon_size // 2,
icon.width, self.icon_size,
0,
None
)
if icon.hidden:
icon.unhide()
data = [
self.qtile.conn.atoms["_XEMBED_EMBEDDED_NOTIFY"],
xcffib.xproto.Time.CurrentTime,
0,
self.bar.window.window.wid,
XEMBED_PROTOCOL_VERSION
]
u = xcffib.xproto.ClientMessageData.synthetic(data, "I" * 5)
event = xcffib.xproto.ClientMessageEvent.synthetic(
format=32,
window=icon.window.wid,
type=self.qtile.conn.atoms["_XEMBED"],
data=u
)
self.window.send_event(event)
xoffset += icon.width + self.padding
def finalize(self):
base._Widget.finalize(self)
atoms = self.qtile.conn.atoms
self.qtile.conn.conn.core.SetSelectionOwner(
0,
atoms['_NET_SYSTEM_TRAY_S{:d}'.format(self.screen)],
xcffib.CurrentTime,
)
self.hide()