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# -*- coding: utf-8 -*-

#

# Copyright (c) 2016 by Ferus Castor <ferus+weechat@airmail.cc>

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program. If not, see <http://www.gnu.org/licenses/>.

#

# Select a buffer from dmenu or rofi

# To call externally (IE: from i3), enable weechat fifo and run:

# $ echo "core.weechat */buffer_dmenu" >> $(find ~/.weechat -type p)

#

# Optionally requires i3-py [py2] (or i3ipc [py3]) to focus weechat in i3

#

# History:

# 2017-05-03, Ferus

# version 0.1.1: fix argument error for config_set_plugin

# 2016-05-01, Ferus

# version 0.1: initial release - requires WeeChat ≥ 0.3.7

# TODO:

# Option to remove certain buffer types

# Implement `focus` for other window managers

# if buffer == currentbuffer: switch to previous buffer

#pylint: disable=I0011,W0603,W1401

SCRIPT_NAME = "buffer_dmenu"

SCRIPT_AUTHOR = "Ferus <ferus+weechat@airmail.cc>"

SCRIPT_VERSION = "0.1.1"

SCRIPT_LICENSE = "GPL3"

SCRIPT_DESC = "List buffers in dmenu (or rofi), changes active window to selected buffer"

SCRIPT_COMMAND = "buffer_dmenu"

import os

import sys

import subprocess

try:

import weechat as w

except ImportError as e:

print("This script must be run under WeeChat.")

exit(1)

try:

if sys.version_info[0] == 3:

import i3ipc as i3

else:

import i3

have_i3 = True

except ImportError as e:

have_i3 = False

settings = {"launcher": ("dmenu", "launcher to use (supported: dmenu/rofi)")

,"focus" : ("false", "whether to immediately focus the terminal after selecting buffer")

,"focus.wm" : ("i3", "wm focus logic to use (supported: i3)")

,"dmenu.command" : ("dmenu -b -i -l 20", "command used to call dmenu")

,"rofi.command" : ("rofi -p '# ' -dmenu -lines 10 -columns 8 -auto-select -mesg '<big>Pick a <b>buffer</b> to jump to:</big>'", "command used to call rofi")

,"title.regex" : ("WeeChat \d+\.\d+", "regex used to match weechat's title window")

}

def check_dmenu():

devnull = open(os.devnull)

retcode = subprocess.call(["which", "dmenu"], stdout=devnull, stderr=devnull)

return True if retcode == 0 else False

def check_rofi():

devnull = open(os.devnull)

retcode = subprocess.call(["which", "rofi"], stdout=devnull, stderr=devnull)

return True if retcode == 0 else False

def get_launcher():

launcher = w.config_get_plugin("launcher")

command = None

if launcher == "dmenu":

if check_dmenu():

command = w.config_get_plugin("dmenu.command")

elif launcher == "rofi":

if check_rofi():

command = w.config_get_plugin("rofi.command")

return command

def launch(options):

launcher = get_launcher()

if launcher:

call(launcher, options)

return True

def focus():

if w.config_string_to_boolean(w.config_get_plugin("focus")):

if w.config_get_plugin("focus.wm") == "i3":

focus_i3()

def focus_i3():

if have_i3:

regex = w.config_get_plugin("title.regex")

#py3

if sys.version_info[0] == 3:

i3conn = i3.Connection()

weechat = i3conn.get_tree().find_named(regex)[0]

weechat.command('focus')

#py2

else:

i3.focus(title=regex)

def call(command, options):

options = "\n".join(options).encode("utf-8")

w.hook_process_hashtable("sh"

,{"arg1": "-c","arg2": 'echo "{0}" | {1}'.format(options, command)}

,10 * 1000

,"launch_process_cb"

,""

)

process_output = ""

def launch_process_cb(data, command, rc, out, err):

global process_output

if out != "":

process_output += out

if int(rc) >= 0:

selected = process_output.decode("utf-8").strip("\n")

number, name = selected.split(":")

process_output = ""

switch_to_buffer(name)

focus()

return w.WEECHAT_RC_OK

def get_open_buffers():

buffers = []

infolist = w.infolist_get("buffer", "", "")

if infolist:

while w.infolist_next(infolist):

name = w.infolist_string(infolist, "name")

number = w.infolist_integer(infolist, "number")

_ = "{0}:{1}".format(number, name).decode("utf-8")

buffers.append(_)

w.infolist_free(infolist)

return buffers

def get_hotlist_buffers():

buffers = []

infolist = w.infolist_get("hotlist", "", "")

if infolist:

while w.infolist_next(infolist):

number = w.infolist_integer(infolist, "buffer_number")

buffer = w.infolist_pointer(infolist, "buffer_pointer")

name = w.buffer_get_string(buffer, "name")

_ = "{0}:{1}".format(number, name).decode("utf-8")

buffers.append(_)

w.infolist_free(infolist)

return buffers

def switch_to_buffer(buffer_name):

w.command("", "/buffer {0}".format(buffer_name))

def dmenu_cmd_cb(data, buffer, args):

""" Command /buffers_dmenu """

if args == "hotlist":

buffers = get_hotlist_buffers()

else:

buffers = get_open_buffers()

if not launch(buffers):

return w.WEECHAT_RC_ERROR

return w.WEECHAT_RC_OK

if w.register(SCRIPT_NAME, SCRIPT_AUTHOR, SCRIPT_VERSION, SCRIPT_LICENSE, SCRIPT_DESC, "", ""):

version = w.info_get('version_number', '') or 0

for option, value in settings.items():

if not w.config_is_set_plugin(option):

w.config_set_plugin(option, value[0])

if int(version) >= 0x00030500:

w.config_set_desc_plugin(option, '{0} (default: "{1}")'.format(value[1], value[0]))

w.hook_command(SCRIPT_COMMAND

,"Show a list of all buffers in dmenu"

,"[hotlist]"

," hotlist: shows hotlist buffers only\n"

"\n"

"To call externally (IE: from i3), enable weechat fifo and run:\n"

" $ echo 'core.weechat */buffer_dmenu' >> $(find ~/.weechat -type p)\n"

"\n"

"To focus the terminal containing WeeChat for the following WM:\n"

" i3: requires i3-py [py2] (or i3ipc [py3]) from pip\n"

,""

,"dmenu_cmd_cb"

,""

)