/usr/lib/python2.7/dist-packages/gtweak/tweaks/tweak_group_startup.py is in gnome-tweak-tool 3.18.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2011 John Stowers
#
# gnome-tweak-tool 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.
#
# gnome-tweak-tool 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 gnome-tweak-tool. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function
import os.path
import subprocess
import logging
from gi.repository import Gtk, Gdk, GLib, Gio, GObject
from gtweak.tweakmodel import Tweak
from gtweak.widgets import ListBoxTweakGroup, UI_BOX_SPACING
from gtweak.utils import AutostartManager, AutostartFile
def _image_from_gicon(gicon):
image = Gtk.Image.new_from_gicon(gicon, Gtk.IconSize.DIALOG)
(_, _, h) = Gtk.IconSize.lookup(Gtk.IconSize.DIALOG)
image.set_pixel_size(h)
return image
def _list_header_func(row, before, user_data):
if before and not row.get_header():
row.set_header (Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL))
class _AppChooser(Gtk.Dialog):
def __init__(self, main_window, running_exes, startup_apps):
uhb = Gtk.Settings.get_default().props.gtk_dialogs_use_header
Gtk.Dialog.__init__(self, title=_("Applications"), use_header_bar=uhb)
self._running = {}
self._all = {}
self.entry = Gtk.SearchEntry(
placeholder_text=_("Search Applications..."))
self.entry.set_width_chars(30)
self.entry.props.activates_default=True
self.searchbar = Gtk.SearchBar()
self.searchbar.add(self.entry)
self.searchbar.props.hexpand = True
# Translators: This is the accelerator for opening the AppChooser search-bar
self._search_key, self._search_mods = Gtk.accelerator_parse(_("<primary>f"))
lb = Gtk.ListBox()
lb.props.margin = 5
lb.props.activate_on_single_click = False
lb.set_sort_func(self._sort_apps, None)
lb.set_header_func(_list_header_func, None)
lb.set_filter_func(self._list_filter_func, None)
self.entry.connect("search-changed", self._on_search_entry_changed)
lb.connect("row-activated", lambda b, r: self.response(Gtk.ResponseType.OK) if r.get_mapped() else None)
lb.connect("row-selected", self._on_row_selected)
apps = Gio.app_info_get_all()
for a in apps:
if a.get_id() not in startup_apps:
if a.should_show():
running = a.get_executable() in running_exes
w = self._build_widget(
a,
_("running") if running else "")
if w:
self._all[w] = a
self._running[w] = running
lb.add(w)
sw = Gtk.ScrolledWindow()
sw.props.hscrollbar_policy = Gtk.PolicyType.NEVER
sw.add(lb)
self.add_button(_("_Close"), Gtk.ResponseType.CANCEL)
self.add_button(_("_Add"), Gtk.ResponseType.OK)
self.set_default_response(Gtk.ResponseType.OK)
if self.props.use_header_bar:
searchbtn = Gtk.ToggleButton()
searchbtn.props.valign = Gtk.Align.CENTER
image = Gtk.Image(icon_name = "edit-find-symbolic", icon_size = Gtk.IconSize.MENU)
searchbtn.add(image)
context = searchbtn.get_style_context()
context.add_class("image-button")
context.remove_class("text-button")
self.get_header_bar().pack_end(searchbtn)
self._binding = searchbtn.bind_property("active", self.searchbar, "search-mode-enabled", GObject.BindingFlags.BIDIRECTIONAL)
self.get_content_area().pack_start(self.searchbar, False, False, 0)
self.get_content_area().pack_start(sw, True, True, 0)
self.set_modal(True)
self.set_transient_for(main_window)
self.set_size_request(400,300)
self.listbox = lb
self.connect("key-press-event", self._on_key_press)
def _sort_apps(self, a, b, user_data):
arun = self._running.get(a)
brun = self._running.get(b)
if arun and not brun:
return -1
elif not arun and brun:
return 1
else:
aname = self._all.get(a).get_name()
bname = self._all.get(b).get_name()
if aname < bname:
return -1
elif aname > bname:
return 1
else:
return 0
def _build_widget(self, a, extra):
row = Gtk.ListBoxRow()
g = Gtk.Grid()
if not a.get_name():
return None
icn = a.get_icon()
if icn:
img = _image_from_gicon(icn)
g.attach(img, 0, 0, 1, 1)
img.props.hexpand = False
else:
img = None #attach_next_to treats this correctly
lbl = Gtk.Label(label=a.get_name(), xalign=0)
g.attach_next_to(lbl,img,Gtk.PositionType.RIGHT,1,1)
lbl.props.hexpand = True
lbl.props.halign = Gtk.Align.START
lbl.props.vexpand = False
lbl.props.valign = Gtk.Align.CENTER
if extra:
g.attach_next_to(
Gtk.Label(label=extra),
lbl,Gtk.PositionType.RIGHT,1,1)
row.add(g)
#row.get_style_context().add_class('tweak-white')
return row
def _list_filter_func(self, row, unused):
txt = self.entry.get_text().lower()
grid = row.get_child()
for sib in grid.get_children():
if type(sib) == Gtk.Label:
if txt in sib.get_text().lower():
return True
return False
def _on_search_entry_changed(self, editable):
self.listbox.invalidate_filter()
selected = self.listbox.get_selected_row()
if selected and selected.get_mapped():
self.set_response_sensitive(Gtk.ResponseType.OK, True)
else:
self.set_response_sensitive(Gtk.ResponseType.OK, False)
def _on_row_selected(self, box, row):
if row and row.get_mapped():
self.set_response_sensitive(Gtk.ResponseType.OK, True)
else:
self.set_response_sensitive(Gtk.ResponseType.OK, False)
def _on_key_press(self, widget, event):
mods = event.state & Gtk.accelerator_get_default_mod_mask()
if event.keyval == self._search_key and mods == self._search_mods:
self.searchbar.set_search_mode(not self.searchbar.get_search_mode())
return True
keyname = Gdk.keyval_name(event.keyval)
if keyname == 'Escape':
if self.searchbar.get_search_mode():
self.searchbar.set_search_mode(False)
return True
elif keyname not in ['Up', 'Down']:
if not self.entry.is_focus() and self.searchbar.get_search_mode():
if self.entry.im_context_filter_keypress(event):
self.entry.grab_focus()
l = self.entry.get_text_length()
self.entry.select_region(l, l)
return True
return self.searchbar.handle_event(event)
return False
def get_selected_app(self):
row = self.listbox.get_selected_row()
if row:
return self._all.get(row)
return None
class _StartupTweak(Gtk.ListBoxRow, Tweak):
def __init__(self, df, **options):
Gtk.ListBoxRow.__init__(self)
Tweak.__init__(self,
df.get_name(),
df.get_description(),
**options)
grid = Gtk.Grid(column_spacing=10)
icn = df.get_icon()
if icn:
img = _image_from_gicon(icn)
grid.attach(img, 0, 0, 1, 1)
else:
img = None #attach_next_to treats this correctly
lbl = Gtk.Label(label=df.get_name(), xalign=0.0)
grid.attach_next_to(lbl,img,Gtk.PositionType.RIGHT,1,1)
lbl.props.hexpand = True
lbl.props.halign = Gtk.Align.START
btn = Gtk.Button(label=_("Remove"))
grid.attach_next_to(btn,lbl,Gtk.PositionType.RIGHT,1,1)
btn.props.vexpand = False
btn.props.valign = Gtk.Align.CENTER
self.add(grid)
self.props.margin_start = 1
self.props.margin_end = 1
self.get_style_context().add_class('tweak-startup')
self.btn = btn
self.app_id = df.get_id()
self.connect("key-press-event", self._on_key_press_event)
def _on_key_press_event(self, row, event):
if event.keyval in [Gdk.KEY_Delete, Gdk.KEY_KP_Delete, Gdk.KEY_BackSpace]:
self.btn.activate()
return True
return False
class AddStartupTweak(Gtk.ListBoxRow, Tweak):
def __init__(self, **options):
Gtk.ListBoxRow.__init__(self)
Tweak.__init__(self, _("New startup application"),
_("Add a new application to be run at startup"),
**options)
img = Gtk.Image()
img.set_from_icon_name("list-add-symbolic", Gtk.IconSize.BUTTON)
self.btn = Gtk.Button(label="", image=img, always_show_image=True)
self.btn.get_style_context().remove_class("button")
self.add(self.btn)
self.get_style_context().add_class('tweak-startup')
self.connect("map", self._on_map)
self.connect("unmap", self._on_unmap)
def _on_map(self, row):
toplevel=self.get_toplevel()
if toplevel.is_toplevel:
for k in [Gdk.KEY_equal, Gdk.KEY_plus, Gdk.KEY_KP_Add]:
toplevel.add_mnemonic(k, self.btn)
def _on_unmap(self, row):
toplevel=self.get_toplevel()
if toplevel.is_toplevel:
for k in [Gdk.KEY_equal, Gdk.KEY_plus, Gdk.KEY_KP_Add]:
toplevel.remove_mnemonic(k, self.btn)
class AutostartListBoxTweakGroup(ListBoxTweakGroup):
def __init__(self):
tweaks = []
self.asm = AutostartManager()
files = self.asm.get_user_autostart_files()
for f in files:
try:
df = Gio.DesktopAppInfo.new_from_filename(f)
except TypeError:
logging.warning("Error loading desktopfile: %s" % f)
continue
if not AutostartFile(df).is_start_at_login_enabled():
continue
sdf = _StartupTweak(df)
sdf.btn.connect("clicked", self._on_remove_clicked, sdf, df)
tweaks.append( sdf )
add = AddStartupTweak()
add.btn.connect("clicked", self._on_add_clicked)
tweaks.append(add)
ListBoxTweakGroup.__init__(self,
_("Startup Applications"),
*tweaks,
css_class='tweak-group-startup')
self.set_header_func(_list_header_func, None)
self.connect("row-activated", lambda b, row: add.btn.activate() if row == add else None)
def _on_remove_clicked(self, btn, widget, df):
self.remove(widget)
AutostartFile(df).update_start_at_login(False)
def _on_add_clicked(self, btn):
Gio.Application.get_default().mark_busy()
startup_apps = set()
self.foreach(lambda row: startup_apps.add(row.app_id) if type(row) is _StartupTweak else None)
a = _AppChooser(
self.main_window,
set(self._get_running_executables()),
startup_apps)
a.show_all()
Gio.Application.get_default().unmark_busy()
resp = a.run()
if resp == Gtk.ResponseType.OK:
df = a.get_selected_app()
if df:
AutostartFile(df).update_start_at_login(True)
sdf = _StartupTweak(df)
sdf.btn.connect("clicked", self._on_remove_clicked, sdf, df)
self.add_tweak_row(sdf, 0).show_all()
a.destroy()
def _get_running_executables(self):
exes = []
cmd = subprocess.Popen([
'ps','-e','-w','-w','-U',
str(os.getuid()),'-o','cmd'],
stdout=subprocess.PIPE)
out = cmd.communicate()[0]
for l in out.split('\n'):
exe = l.split(' ')[0]
if exe and exe[0] != '[': #kernel process
exes.append( os.path.basename(exe) )
return exes
TWEAK_GROUPS = [
AutostartListBoxTweakGroup(),
]
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