/usr/lib/python3/dist-packages/lightdm_gtk_greeter_settings/IconEntry.py is in lightdm-gtk-greeter-settings 1.2.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | # -*- Mode: Python; coding: utf-8; indent-tabs-mode: nil; tab-width: 4 -*-
# LightDM GTK Greeter Settings
# Copyright (C) 2015 Andrew P. <pan.pav.7c5@gmail.com>
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
import os
from gi.repository import Gtk
from lightdm_gtk_greeter_settings.IconChooserDialog import IconChooserDialog
from lightdm_gtk_greeter_settings.OptionEntry import BaseEntry
from lightdm_gtk_greeter_settings.helpers import (
C_,
get_data_path,
set_image_from_path,
SimpleEnum)
__all__ = ['IconEntry']
class IconEntry(BaseEntry):
class Item(SimpleEnum):
priority = 0
# (value, just_label) => (label, tooltip)
update = None
# (old_value) => str or None
ask = None
# Associated menu item
menuitem = None
def __init__(self, widgets):
super().__init__(widgets)
self._value = None
self._image = widgets['image']
self._button = widgets['button']
self._button.props.popup = Gtk.Menu()
self._icon_dialog = None
self._path_dialog = None
self._current_item = None
self._add_controlled_by_state_widget(self._button)
self._items = []
for priority, (update, ask) in self._get_items():
item = self.Item(priority=priority, update=update, ask=ask)
item.menuitem = Gtk.MenuItem()
item.menuitem.props.visible = True
item.menuitem.props.label = item.update(None, True)[0]
item.menuitem.connect('activate', self._on_item_clicked, item)
self._button.props.popup.append(item.menuitem)
self._items.append(item)
self._items.sort(key=lambda i: i.priority)
def _get_value(self):
return self._value
def _set_value(self, value):
applied_item = None
tooltip = None
for item in self._items:
if applied_item:
label, __ = item.update(None, True)
else:
label, tooltip = item.update(value, False)
if tooltip:
applied_item = item
item.menuitem.get_child().set_markup(label)
if not applied_item:
tooltip = C_('option-entry|icon', 'Unrecognized value: {value}').format(value=value)
self._button.set_tooltip_markup(tooltip)
self._value = value
self._current_item = applied_item
self._emit_changed()
def _get_items(self):
return ((0, (self._update_icon, self._ask_icon)),
(100, (self._update_image, self._ask_image)))
def _on_item_clicked(self, menuitem, item):
value = item.ask(self._value if item == self._current_item else None)
if value is not None:
self._set_value(value)
def _update_icon(self, value, just_label=False):
if just_label or value is None or not value.startswith('#'):
return C_('option-entry|icon', 'Select icon name...'), None
name = value[1:]
label = C_('option-entry|icon', '<b>Icon: {icon}</b>').format(icon=name)
tooltip = label
self._image.set_from_icon_name(name, Gtk.IconSize.DIALOG)
return label, tooltip
def _ask_icon(self, oldvalue):
if not self._icon_dialog:
self._icon_dialog = IconChooserDialog()
self._icon_dialog.props.transient_for = self._image.get_toplevel()
if oldvalue:
self._icon_dialog.select_icon(oldvalue[1:])
value = None
if self._icon_dialog.run() == Gtk.ResponseType.OK:
value = '#' + self._icon_dialog.get_selected_icon()
self._icon_dialog.hide()
return value
def _update_image(self, value, just_label=False):
if just_label or value is None:
return C_('option-entry|icon', 'Select file...'), None
if set_image_from_path(self._image, value):
label = C_('option-entry|icon', '<b>File: {path}</b>')
else:
label = C_('option-entry|icon', '<b>File: {path}</b> (failed to load)')
return (label.format(path=os.path.basename(value)),
label.format(path=value))
def _ask_image(self, oldvalue):
if not self._path_dialog:
builder = Gtk.Builder()
builder.add_from_file(get_data_path('ImageChooserDialog.ui'))
self._path_dialog = builder.get_object('dialog')
self._path_dialog.props.transient_for = self._image.get_toplevel()
self._path_dialog.connect('update-preview', self._on_update_path_preview)
preview_size = self._image.props.pixel_size
preview = self._path_dialog.props.preview_widget
preview.props.pixel_size = preview_size
preview.set_size_request(preview_size, preview_size)
if oldvalue is not None:
self._path_dialog.select_filename(self._value)
value = None
if self._path_dialog.run() == Gtk.ResponseType.OK:
value = self._path_dialog.get_filename()
self._path_dialog.hide()
return value
def _on_update_path_preview(self, chooser):
set_image_from_path(chooser.props.preview_widget, chooser.get_filename())
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