/usr/lib/python3/dist-packages/gtweak/tweakview.py is in gnome-tweaks 3.28.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# SPDX-License-Identifier: GPL-3.0+
# License-Filename: LICENSES/GPL-3.0
import os.path
import logging
import datetime
from gi.repository import Gtk, Gdk, GObject
import gtweak.tweakmodel
from gtweak.tweakmodel import TweakModel, string_for_search
from gtweak.widgets import Title
class Window(Gtk.ApplicationWindow):
def __init__(self, app, model):
Gtk.ApplicationWindow.__init__(self,
application=app,
show_menubar=False)
if Gdk.Screen.get_default().get_height() < 800:
self.maximize()
else:
self.set_size_request(950, 700)
self.set_position(Gtk.WindowPosition.CENTER)
self.set_icon_name("org.gnome.tweaks")
self.hsize_group = Gtk.SizeGroup(mode=Gtk.SizeGroupMode.HORIZONTAL)
main_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
left_box = self.sidebar()
right_box = self.main_content()
separator = Gtk.Separator(orientation=Gtk.Orientation.VERTICAL)
titlebar = self.titlebar()
self.set_titlebar(titlebar)
main_box.pack_start(left_box, False, False, 0)
main_box.pack_start(separator, False, False, 0)
main_box.pack_start(right_box, True, True, 0)
self.load_css()
self._model = model
self._model.load_tweaks(self)
self.load_model_data()
Gtk.Settings.get_default().connect("notify::gtk-decoration-layout",
self._update_decorations);
self.connect("key-press-event", self._on_key_press)
self.connect_after("key-press-event", self._after_key_press)
self.add(main_box)
def titlebar(self):
header = Gtk.Box()
left_header = Gtk.HeaderBar()
left_header.props.show_close_button = True
right_header = Gtk.HeaderBar()
right_header.props.show_close_button = True
self._left_header = left_header;
self._right_header = right_header;
left_header.get_style_context().add_class("titlebar")
left_header.get_style_context().add_class("tweak-titlebar-left")
right_header.get_style_context().add_class("titlebar")
right_header.get_style_context().add_class("tweak-titlebar-right")
self._update_decorations (Gtk.Settings.get_default(), None)
self._group_titlebar_widget = None
self.title = Gtk.Label(label="")
self.title.get_style_context().add_class("title")
right_header.set_custom_title(self.title)
icon = Gtk.Image()
icon.set_from_icon_name("edit-find-symbolic",Gtk.IconSize.MENU)
self.button = Gtk.ToggleButton()
self.button.add(icon)
self.button.connect("toggled", self._on_find_toggled)
self.button.props.valign = Gtk.Align.CENTER
self.button.get_style_context().add_class("image-button")
left_header.pack_start(self.button)
lbl = Gtk.Label(label=_("Tweaks"))
lbl.get_style_context().add_class("title")
left_header.set_custom_title(lbl)
header.pack_start(left_header, False, False, 0)
header.pack_start(Gtk.Separator(orientation=Gtk.Orientation.VERTICAL), False, False, 0)
header.pack_start(right_header, True, True, 0)
self.hsize_group.add_widget(left_header)
return header
def sidebar(self):
left_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.entry = Gtk.SearchEntry(placeholder_text=_("Search Tweaks…"))
if (Gtk.check_version(3, 22, 20) == None):
self.entry.set_input_hints(Gtk.InputHints.NO_EMOJI)
self.entry.connect("search-changed", self._on_search)
self.searchbar = Gtk.SearchBar()
self.searchbar.add(self.entry)
self.searchbar.props.hexpand = False
self.listbox = Gtk.ListBox()
self.listbox.get_style_context().add_class("tweak-categories")
self.listbox.set_size_request(200,-1)
self.listbox.connect("row-selected", self._on_select_row)
self.listbox.set_header_func(self._list_header_func, None)
scroll = Gtk.ScrolledWindow()
scroll.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC)
scroll.add(self.listbox)
left_box.pack_start(self.searchbar, False, False, 0)
left_box.pack_start(scroll, True, True, 0)
self.hsize_group.add_widget(left_box)
return left_box
def main_content(self):
right_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.stack = Gtk.Stack()
self.stack.get_style_context().add_class("main-container")
right_box.pack_start(self.stack, True, True, 0)
return right_box
def load_css(self):
css_provider = Gtk.CssProvider()
css_provider.load_from_path(
os.path.join(gtweak.PKG_DATA_DIR, 'shell.css'))
screen = Gdk.Screen.get_default()
context = Gtk.StyleContext()
context.add_provider_for_screen(screen, css_provider,
Gtk.STYLE_PROVIDER_PRIORITY_USER)
def load_model_data(self):
def _make_items_listbox(text):
lbl = Gtk.Label(label=text, xalign=0.0)
lbl.set_name('row')
row = Gtk.ListBoxRow()
row.get_style_context().add_class("tweak-category")
row.add(lbl)
return row
groups = list(self._model._tweak_group_names.keys())
groups = sorted(groups)
for g in groups:
row = _make_items_listbox(g)
self.listbox.add(row)
tweakgroup = self._model.get_value(
self._model.get_tweakgroup_iter(g),
self._model.COLUMN_TWEAK)
scroll = Gtk.ScrolledWindow()
scroll.add(tweakgroup)
self.stack.add_named(scroll, g)
widget = self.listbox.get_row_at_index(0)
self.listbox.select_row (widget)
def _list_filter_func(self, row, user_data):
lbl = row.get_child()
if lbl.get_text() in user_data:
return row
def _list_header_func(self, row, before, user_data):
if before and not row.get_header():
row.set_header (Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL))
def _update_decorations(self, settings, pspec):
layout_desc = settings.props.gtk_decoration_layout;
tokens = layout_desc.split(":", 1)
if len(tokens) > 1:
self._right_header.props.decoration_layout = ":" + tokens[1]
else:
self._right_header.props.decoration_layout = ""
self._left_header.props.decoration_layout = tokens[0]
def _after_key_press(self, widget, event):
if not self.button.get_active() or not self.entry.is_focus():
if self.entry.im_context_filter_keypress(event):
self.button.set_active(True)
self.entry.grab_focus ()
# Text in entry is selected, deselect it
l = self.entry.get_text_length()
self.entry.select_region(l, l)
return True
return False
def _on_key_press(self, widget, event):
keyname = Gdk.keyval_name(event.keyval)
if keyname == 'Escape' and self.button.get_active():
if self.entry.is_focus():
self.button.set_active(False)
else:
self.entry.grab_focus()
return True
if event.state & Gdk.ModifierType.CONTROL_MASK:
if keyname == 'f':
self.button.set_active(True)
return True
return False
def _on_list_changed(self, group):
self.listbox.set_filter_func(self._list_filter_func, group)
selected = self.listbox.get_selected_row().get_child().get_text()
if group and not selected in group:
index = sorted(self._model._tweak_group_names.keys()).index(group[0])
row = self.listbox.get_row_at_index(index)
self.listbox.select_row(row)
def _on_search(self, entry):
txt = string_for_search(entry.get_text())
tweaks, group = self._model.search_matches(txt)
self.show_only_tweaks(tweaks)
self._on_list_changed(group)
def _on_select_row(self, listbox, row):
if row:
group = row.get_child().get_text()
self.stack.set_visible_child_name(group)
self.title.set_text(group)
tweakgroup = self._model.get_value(
self._model.get_tweakgroup_iter(group),
self._model.COLUMN_TWEAK)
if self._group_titlebar_widget:
self._right_header.remove(self._group_titlebar_widget)
self._group_titlebar_widget = tweakgroup.titlebar_widget
if self._group_titlebar_widget:
self._right_header.pack_end(self._group_titlebar_widget)
def _on_find_toggled(self, btn):
if self.searchbar.get_search_mode():
self.searchbar.set_search_mode(False)
self.entry.set_text("")
else:
self.searchbar.set_search_mode(True)
self.entry.grab_focus()
def show_only_tweaks(self, tweaks):
for t in self._model.tweaks:
if t in tweaks:
t.show_all()
else:
t.hide()
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