/usr/share/pyshared/gtweak/widgets.py is in gnome-tweak-tool 3.4.0.1-2.
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/>.
import logging
from gi.repository import Gtk, Gdk, Gio, Pango
from gtweak.tweakmodel import Tweak
from gtweak.gsettings import GSettingsSetting, GSettingsFakeSetting, GSettingsMissingError
from gtweak.gconf import GConfSetting
def build_label_beside_widget(txt, *widget, **kwargs):
"""
Builds a HBox containing widgets.
Optional Kwargs:
hbox: Use an existing HBox, not a new one
info: Informational text to be shown after the label
warning: Warning text to be shown after the label
"""
def make_image(icon, tip):
image = Gtk.Image.new_from_icon_name(icon, Gtk.IconSize.MENU)
image.set_tooltip_text(tip)
return image
if kwargs.get("hbox"):
hbox = kwargs.get("hbox")
else:
hbox = Gtk.HBox()
hbox.props.spacing = 4
lbl = Gtk.Label(txt)
lbl.props.ellipsize = Pango.EllipsizeMode.END
lbl.props.xalign = 0.0
hbox.pack_start(lbl, True, True, 0)
if kwargs.get("info"):
hbox.pack_start(
make_image("dialog-information-symbolic", kwargs.get("info")),
False, False, 0)
if kwargs.get("warning"):
hbox.pack_start(
make_image("dialog-warning-symbolic", kwargs.get("warning")),
False, False, 0)
for w in widget:
hbox.pack_start(w, False, False, 0)
#For Atk, indicate that the rightmost widget, usually the switch relates to the
#label. By convention this is true in the great majority of cases. Settings that
#construct their own widgets will need to set this themselves
lbl.set_mnemonic_widget(widget[-1])
return hbox
def build_combo_box_text(selected, *values):
"""
builds a GtkComboBox and model containing the supplied values.
@values: a list of 2-tuples (value, name)
"""
store = Gtk.ListStore(str, str)
store.set_sort_column_id(0, Gtk.SortType.ASCENDING)
selected_iter = None
for (val, name) in values:
_iter = store.append( (val, name) )
if val == selected:
selected_iter = _iter
combo = Gtk.ComboBox(model=store)
renderer = Gtk.CellRendererText()
combo.pack_start(renderer, True)
combo.add_attribute(renderer, 'markup', 1)
if selected_iter:
combo.set_active_iter(selected_iter)
return combo
def build_horizontal_sizegroup():
sg = Gtk.SizeGroup(mode=Gtk.SizeGroupMode.HORIZONTAL)
sg.props.ignore_hidden = True
return sg
class _GSettingsTweak(Tweak):
def __init__(self, schema_name, key_name, **options):
self.schema_name = schema_name
self.key_name = key_name
try:
self.settings = GSettingsSetting(schema_name, **options)
Tweak.__init__(self,
options.get("summary",self.settings.schema_get_summary(key_name)),
options.get("description",self.settings.schema_get_description(key_name)),
**options)
except GSettingsMissingError, e:
self.settings = GSettingsFakeSetting()
Tweak.__init__(self,"","")
self.loaded = False
logging.info("Missing gsettings %s (key %s)" % (e.message, key_name))
class GSettingsSwitchTweak(_GSettingsTweak):
def __init__(self, schema_name, key_name, **options):
_GSettingsTweak.__init__(self, schema_name, key_name, **options)
w = Gtk.Switch()
self.settings.bind(key_name, w, "active", Gio.SettingsBindFlags.DEFAULT)
self.widget = build_label_beside_widget(self.name, w)
# never change the size of a switch
self.widget_for_size_group = None
class GSettingsFontButtonTweak(_GSettingsTweak):
def __init__(self, schema_name, key_name, **options):
_GSettingsTweak.__init__(self, schema_name, key_name, **options)
w = Gtk.FontButton()
self.settings.bind(key_name, w, "font-name", Gio.SettingsBindFlags.DEFAULT)
self.widget = build_label_beside_widget(self.name, w)
self.widget_for_size_group = w
class GSettingsRangeTweak(_GSettingsTweak):
def __init__(self, schema_name, key_name, **options):
_GSettingsTweak.__init__(self, schema_name, key_name, **options)
#returned variant is range:(min, max)
_min, _max = self.settings.get_range(key_name)[1]
w = Gtk.HScale.new_with_range(_min, _max, options.get('adjustment_step', 1))
self.settings.bind(key_name, w.get_adjustment(), "value", Gio.SettingsBindFlags.DEFAULT)
self.widget = build_label_beside_widget(self.name, w)
self.widget_for_size_group = w
class GSettingsSpinButtonTweak(_GSettingsTweak):
def __init__(self, schema_name, key_name, **options):
_GSettingsTweak.__init__(self, schema_name, key_name, **options)
#returned variant is range:(min, max)
_min, _max = self.settings.get_range(key_name)[1]
adjustment = Gtk.Adjustment(0, _min, _max, options.get('adjustment_step', 1))
w = Gtk.SpinButton()
w.set_adjustment(adjustment)
w.set_digits(options.get('digits', 0))
self.settings.bind(key_name, adjustment, "value", Gio.SettingsBindFlags.DEFAULT)
self.widget = build_label_beside_widget(self.name, w)
self.widget_for_size_group = w
class GSettingsComboEnumTweak(_GSettingsTweak):
def __init__(self, schema_name, key_name, **options):
_GSettingsTweak.__init__(self, schema_name, key_name, **options)
_type, values = self.settings.get_range(key_name)
value = self.settings.get_string(key_name)
self.settings.connect('changed::'+self.key_name, self._on_setting_changed)
w = build_combo_box_text(value, *[(v,v.replace("-"," ").title()) for v in values])
w.connect('changed', self._on_combo_changed)
self.combo = w
self.widget = build_label_beside_widget(self.name, w)
self.widget_for_size_group = w
def _values_are_different(self):
#to stop bouncing back and forth between changed signals. I suspect there must be a nicer
#Gio.settings_bind way to fix this
return self.settings.get_string(self.key_name) != \
self.combo.get_model().get_value(self.combo.get_active_iter(), 0)
def _on_setting_changed(self, setting, key):
assert key == self.key_name
val = self.settings.get_string(key)
model = self.combo.get_model()
for row in model:
if val == row[0]:
self.combo.set_active_iter(row.iter)
break
def _on_combo_changed(self, combo):
val = self.combo.get_model().get_value(self.combo.get_active_iter(), 0)
if self._values_are_different():
self.settings.set_string(self.key_name, val)
class GSettingsComboTweak(_GSettingsTweak):
def __init__(self, schema_name, key_name, key_options, **options):
_GSettingsTweak.__init__(self, schema_name, key_name, **options)
#check key_options is iterable
#and if supplied, check it is a list of 2-tuples
assert len(key_options) >= 0
if len(key_options):
assert len(key_options[0]) == 2
combo = build_combo_box_text(
self.settings.get_string(self.key_name),
*key_options)
combo.connect('changed', self._on_combo_changed)
self.widget = build_label_beside_widget(self.name, combo)
self.widget_for_size_group = combo
def _on_combo_changed(self, combo):
_iter = combo.get_active_iter()
if _iter:
value = combo.get_model().get_value(_iter, 0)
self.settings.set_string(self.key_name, value)
class _GConfTweak(Tweak):
def __init__(self, key_name, key_type, **options):
self.gconf = GConfSetting(key_name, key_type)
Tweak.__init__(self,
options.get("summary",self.gconf.schema_get_summary()),
options.get("description",self.gconf.schema_get_description()),
**options)
class GConfComboTweak(_GConfTweak):
def __init__(self, key_name, key_type, key_options, **options):
_GConfTweak.__init__(self, key_name, key_type, **options)
#check key_options is iterable
#and if supplied, check it is a list of 2-tuples
assert len(key_options) >= 0
if len(key_options):
assert len(key_options[0]) == 2
combo = build_combo_box_text(
self.gconf.get_value(),
*key_options)
combo.connect('changed', self._on_combo_changed)
self.widget = build_label_beside_widget(self.name, combo)
self.widget_for_size_group = combo
def _on_combo_changed(self, combo):
_iter = combo.get_active_iter()
if _iter:
value = combo.get_model().get_value(_iter, 0)
self.gconf.set_value(value)
class GConfFontButtonTweak(_GConfTweak):
def __init__(self, key_name, key_type, **options):
_GConfTweak.__init__(self, key_name, key_type, **options)
w = Gtk.FontButton()
w.props.font_name = self.gconf.get_value()
w.connect("notify::font-name", self._on_fontbutton_changed)
self.widget = build_label_beside_widget(self.name, w)
self.widget_for_size_group = w
def _on_fontbutton_changed(self, btn, param):
self.gconf.set_value(btn.props.font_name)
class ZipFileChooserButton(Gtk.FileChooserButton):
def __init__(self, title):
Gtk.FileChooserButton.__init__(self, title=title)
f = Gtk.FileFilter()
f.add_mime_type("application/zip")
self.set_filter(f)
#self.set_width_chars(15)
self.set_local_only(True)
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