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dotfiles/.i3/lemonbar/i3_lemonbar_parser.py
kuben c12d49f433 lemonbar: Add units to modules.
Units are sections of the lemonbar, highlighted in alternating colors
2019-08-23 17:51:57 +02:00

278 lines
10 KiB
Python
Executable File

import sys
from enum import Enum
import i3_lemonbar_config as conf
import i3_lemonbar_common as common
displays = ''
workspaces = ''
win_title = ''
time = ''
response = ''
blank = ' '
sr = conf.sep_right
slr = conf.sep_l_right
sl = conf.sep_left
sll = conf.sep_l_left
class LemonUnit:
def __init__(self, name, action = None, alt_scheme=None, external=None):
self.name = name
self.action = action
self.alt_scheme = alt_scheme # None means default
self.external = external
self.items = [] # List of tuples (icon, text)
class LemonParser:
# Handle parsing of units
# Apply alternating colors
# Contains list of units
def __init__(self):
self.units = []
def register_unit(self, unit):
self.units.append(unit)
def remove_unit(self, unit):
self.remove(unit)
def format(self):
formatted = []
# Iterate over all units. Keep count to apply alternating color schemes
for count, unit in enumerate(self.units):
if unit.alt_scheme is None:
# Apply default color scheme, which is alternating
color_scheme = COLOR_SCHEME.A1 if count % 2 else COLOR_SCHEME.A2
else:
# Apply alternate color scheme
color_scheme = unit.alt_scheme
# INA is a special case
if color_scheme == COLOR_SCHEME.INA:
color_scheme = COLOR_SCHEME.A1_INA if count % 2 else COLOR_SCHEME.A2_INA
close = block(click='') if unit.action is not None else ''
b_color = color_scheme.back_color
i_color = color_scheme.icon_color
t_color = color_scheme.text_color
# Start with a major separator. Keep previous background color, set foreground color
# of separator to background color of this unit
blocks = []
blocks.append(block(fg=b_color, append=sl))
blocks.append(' ') # TODO perhaps more nice soluting than manual spacing
if len(unit.items) >= 1:
(icon, text) = unit.items[0]
blocks.append(block(click=unit.action, fg=i_color, bg=b_color, font='2'
, append=' ' + icon))
blocks.append(' ')
blocks.append(block(fg=t_color, font='1', append=text))
if len(unit.items) >= 2:
for item in unit.items[1:]:
(icon, text) = item
# Append minor separator
blocks.append(' ')
blocks.append(sll)
blocks.append(block(fg=i_color, bg=b_color, font='2', append=' ' + icon))
blocks.append(' ')
blocks.append(block(fg=t_color, font='1', append=text))
if len(unit.items) >= 1:
blocks.append(close)
formatted.append(''.join(blocks))
return ' '.join(formatted)
g_parser = LemonParser()
def block(fg = None, bg = None, font = None, click = None, append=''):
# Remeber that clickable blocks need to be closed
rtn = []
if click is not None:
if click == '':
rtn.append('A')
else:
rtn.append('A:'+click+':')
if fg is not None:
rtn.append('F'+fg)
if bg is not None:
rtn.append('B'+bg)
if font is not None:
rtn.append('T'+font)
return ''.join(['%{', ' '.join(rtn), '}', append])
reset = block(fg='-', bg='-')
reset_power = block(fg='-', bg=conf.color_poweropts)
class COLOR_SCHEME(Enum):
A1 = (conf.color_sec_b1, conf.color_fore, conf.color_icon)
A2 = (conf.color_sec_b2, conf.color_fore, conf.color_icon)
INA = (None, None, None) # This one is special, dynamically changed to A1_INA or A2_INA
A1_INA = (conf.color_sec_b1, conf.color_disable, conf.color_disable)
A2_INA = (conf.color_sec_b2, conf.color_disable, conf.color_disable)
CPU_ALERT= (conf.color_cpu, conf.color_back, conf.color_back)
NET_ALERT= (conf.color_net, conf.color_back, conf.color_back)
SPECIAL = (conf.color_head, conf.color_back, conf.color_back)
def __init__(self, back_color, text_color, icon_color):
self.back_color = back_color
self.text_color = text_color
self.icon_color = icon_color
def single_sect(icon='', text='', click=None, alt=COLOR_SCHEME.A1):
# If there is an action we need to close the block
close = block(click='') if click is not None else ''
if icon != '':
icon = ' ' + icon
return ' '.join([block(fg=alt.back_color, append=sl)
, block(click=click, fg=alt.icon_color, bg=alt.back_color
, font='2', append=icon)
, block(fg=alt.text_color, font='1', append=text)
, close])
def double_sect(text1 = '', text2 = '', icon1 = '', icon2 = '', click = None
, alt=COLOR_SCHEME.A1):
# If text_color None then icon_color will apply
close = block(click='') if click is not None else ''
return ''.join([block(fg=alt.back_color, append=sl), ' '
, block(click=click, fg=alt.icon_color, bg=alt.back_color, font='2')
, ' ', icon1, block(fg=alt.text_color, font='1'), ' ', text1
, block(fg=alt.icon_color), sll, block(font='2')
, icon2, block(fg=alt.text_color, font='1'), ' ', text2, ' ', close])
def control_sect(sec_color=None, head='', buttons=[], actions=[]):
rtn = head
for button, action in zip(buttons, actions):
# If there is an action we need to close the block
close = block(click='') if action is not None else ''
rtn += ' '.join([block(click=action), button, close])
return rtn
# Constants
power_opts = ''.join([block(fg=conf.color_fore, bg=conf.color_poweropts)
, ' Abort (Esc) | System (l) lock, (e) logout, (s) suspend, (h) hibernate'
, ', (r) reboot, (Shift+s) shutdown'])
controls = ' '.join([block(fg=conf.color_head, bg=conf.color_sec_b2)
, conf.sep_right, block(fg=conf.color_head, bg=conf.color_sec_b2, click='mode cycle')
, conf.icon_prog
, block(fg=conf.color_sec_b2, bg='-', click='')
, control_sect(head='', buttons=['on', 'off']
, actions=['bluetooth power on', 'bluetooth power off'])
, control_sect(head='PXC 550', buttons=['conn.', 'disc.']
, actions=['bluetooth connect pxc550', 'bluetooth disconnect pxc550'])
])
def update_response(data):
global response
resp = ' '.join(data)
#common.logger.debug('Got response {}'.format(resp))
response= single_sect(text=resp)
def update_displays(data):
global displays
dsp_array = data[0].split(':')
parsed_list = [block(click='displays', font='2')]
for dsp in dsp_array[1:]:
if dsp == 'eDP1':
col_head = conf.color_head
elif dsp == 'DP1':
col_head = conf.color_vga
elif dsp == 'HDMI2':
col_head = conf.color_hdmi
else:
col_head = '#00000000' # Undefined
parsed_list.append(block(fg=conf.color_back, bg=col_head))
parsed_list.append(conf.icon_wsp)
parsed_list.append(block(click=''))
displays = ' '.join(parsed_list)
def update_workspaces(data):
global workspaces
prefix = block(font='1', fg=conf.color_back, bg=conf.color_head)
prefix_foc = ''.join([block(fg = conf.color_head, bg=conf.color_wsp)
, conf.sep_right
, block(fg=conf.color_back, bg=conf.color_wsp, font='1')])
prefix_ina = block(fg=conf.color_back, bg=conf.color_head, font='1')
wspces = []
for entry in data: # entry for example FOC5___terms
status = entry[0:3] # FOC or INA
num = entry[3]
name = entry[7:]
full_name = ' '.join(['', num, name])
current = ''.join([block(click=('i3-msg workspace' + full_name))
, full_name, block(click='')])
if status == "FOC":
wspces.append(''.join([prefix_foc, current]))
else:
wspces.append(''.join([prefix_ina, current]))
workspaces = ''.join([prefix, ' '.join(wspces)])
def update_title(data):
global win_title
win_title = ' '.join([block(fg=conf.color_head, bg=conf.color_sec_b2)
, conf.sep_right, block(fg=conf.color_head, bg=conf.color_sec_b2, click='mode cycle')
, conf.icon_prog
, block(fg=conf.color_sec_b2, bg='-')
, ' '.join(data)])
def format_line():
# Need to end with a reset block, otherwise the color fills the %{r} spacer
if common.mode == common.bar_mode.normal:
return ''.join(['%{l}', reset, displays, workspaces, win_title
, '%{r}', g_parser.format(), reset])
elif common.mode == common.bar_mode.power:
return ''.join(['%{l}', reset, power_opts
, '%{r}', g_parser.format(), reset_power])
elif common.mode == common.bar_mode.control:
return ''.join(['%{l}', reset, displays, workspaces, controls
, '%{r}', response, time, reset])
else:
return ''.join(['%{l}', reset, displays, workspaces, 'Not normal'
, '%{r}', time, reset])
parsers_dict = { 'WSP':update_workspaces
,'WIN':update_title
,'DISP':update_displays
,'RESP':update_response
}
def parse_line(line_in):
''' Lines are
CNK_FAST Fri 21 Sep 19:45:18 VolXXX wlan_d wlan_u eth_d eth_u
CNK_SLOW cpu mem disk_root disk_home batt bri lang disp
WSPINA1___main INA2___web FOC5___terms INA6___stats
'''
for unit in g_parser.units:
if unit.external is not None:
for key,func in unit.external.items():
l = len(key)
if line_in[:l] == key:
func(line_in[l:].split())
break
try:
for key,func in parsers_dict.items():
l = len(key)
if line_in[:l] == key:
func(line_in[l:].split())
break
except:
print('Exception occured\n Line in: {}\n Data: {}'.format(line_in, line_in[l:].split()))
raise
formatted_line = format_line()
return formatted_line
if __name__ == "__main__":
for line in sys.stdin:
print(parse_line(line))