/
cs_screensaver.py
executable file
·483 lines (372 loc) · 19.1 KB
/
cs_screensaver.py
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#!/usr/bin/python2
import os, json, subprocess, re
from xml.etree import ElementTree
import gettext
import signal
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, Gdk, GLib, Pango
from GSettingsWidgets import *
LOCK_DELAY_OPTIONS = [
(0, _("Lock immediately")),
(15, _("15 seconds")),
(30, _("30 seconds")),
(60, _("1 minute")),
(120, _("2 minutes")),
(180, _("3 minutes")),
(300, _("5 minutes")),
(600, _("10 minutes")),
(1800, _("30 minutes")),
(3600, _("1 hour"))
]
LOCK_INACTIVE_OPTIONS = [
(0, _("Never")),
(60, _("1 minute")),
(300, _("5 minutes")),
(600, _("10 minutes")),
(900, _("15 minutes")),
(1800, _("30 minutes")),
(2700, _("45 minutes")),
(3600, _("1 hour"))
]
XSCREENSAVER_PATH = "/usr/share/xscreensaver/config/"
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 Module:
name = "screensaver"
category = "prefs"
comment = _("Manage screen lock settings")
def __init__(self, content_box):
keywords = _("screensaver, lock, password, away, message")
sidePage = SidePage(_("Screensaver"), "cs-screensaver", keywords, content_box, module=self)
self.sidePage = sidePage
def on_show_custom_format_info_button_clicked(self, button):
subprocess.Popen(['xdg-open', 'http://www.foragoodstrftime.com/'])
def on_module_selected(self):
if self.loaded:
return
print "Loading Screensaver module"
schema = "org.cinnamon.desktop.screensaver"
self.settings = Gio.Settings.new(schema)
self.sidePage.stack = SettingsStack()
self.sidePage.add_widget(self.sidePage.stack)
# Screensaver
page = SettingsPage()
page.expand = True
self.sidePage.stack.add_titled(page, "screensaver", _("Screensaver"))
settings = ScreensaverBox(_("Select screensaver"))
page.pack_start(settings, True, True, 0)
# Settings
page = SettingsPage()
self.sidePage.stack.add_titled(page, "settings", _("Settings"))
settings = page.add_section(_("Screensaver settings"))
size_group = Gtk.SizeGroup.new(Gtk.SizeGroupMode.HORIZONTAL)
widget = GSettingsComboBox(_("Delay before starting the screensaver"), "org.cinnamon.desktop.session", "idle-delay", LOCK_INACTIVE_OPTIONS, valtype="uint", size_group=size_group)
widget.set_tooltip_text(_("This option defines the amount of time to wait before starting the screensaver, when the computer is not being used"))
settings.add_row(widget)
settings = page.add_section(_("Lock settings"))
widget = GSettingsSwitch(_("Lock the computer when put to sleep"), "org.cinnamon.settings-daemon.plugins.power", "lock-on-suspend")
widget.set_tooltip_text(_("Enable this option to require a password when the computer wakes up from suspend"))
settings.add_row(widget)
widget = GSettingsSwitch(_("Lock the computer after the screensaver starts"), schema, "lock-enabled")
widget.set_tooltip_text(_("Enable this option to require a password when the screen turns itself off, or when the screensaver activates after a period of inactivity"))
settings.add_row(widget)
widget = GSettingsComboBox(_("Delay before locking"), schema, "lock-delay", LOCK_DELAY_OPTIONS, valtype="uint", size_group=size_group)
widget.set_tooltip_text(_("This option defines the amount of time to wait before locking the screen, after showing the screensaver or after turning off the screen"))
settings.add_reveal_row(widget, schema, "lock-enabled")
# Customize
page = SettingsPage()
self.sidePage.stack.add_titled(page, "customize", _("Customize"))
settings = page.add_section(_("Date and Time"))
size_group = Gtk.SizeGroup.new(Gtk.SizeGroupMode.HORIZONTAL)
widget = GSettingsSwitch(_("Always show the clock"), schema, "show-clock")
widget.set_tooltip_text(_("Show the clock on the wallpaper instead of just on the unlock screen"))
settings.add_row(widget)
widget = GSettingsSwitch(_("Use a custom date and time format"), schema, "use-custom-format")
settings.add_row(widget)
widget = GSettingsEntry(_("Time Format"), schema, "time-format", size_group=size_group)
settings.add_reveal_row(widget, schema, "use-custom-format")
widget = GSettingsEntry(_("Date Format: "), schema, "date-format", size_group=size_group)
settings.add_reveal_row(widget, schema, "use-custom-format")
widget = SettingsWidget()
button = Gtk.Button(_("Show information on date format syntax"))
button.connect("clicked", self.on_show_custom_format_info_button_clicked)
widget.pack_start(button, True, True, 0)
settings.add_reveal_row(widget, schema, "use-custom-format")
widget = GSettingsFontButton(_("Time Font"), "org.cinnamon.desktop.screensaver", "font-time", size_group=size_group)
settings.add_row(widget)
widget = GSettingsFontButton(_("Date Font"), "org.cinnamon.desktop.screensaver", "font-date", size_group=size_group)
settings.add_row(widget)
settings = page.add_section(_("Away message"))
widget = GSettingsEntry(_("Show this message when the screen is locked"), schema, "default-message")
widget.set_child_packing(widget.content_widget, True, True, 0, Gtk.PackType.START)
widget.set_tooltip_text(_("This is the default message displayed on your lock screen"))
settings.add_row(widget)
settings.add_row(GSettingsFontButton(_("Font"), "org.cinnamon.desktop.screensaver", "font-message"))
widget = GSettingsSwitch(_("Ask for a custom message when locking the screen from the menu"), schema, "ask-for-away-message")
widget.set_tooltip_text(_("This option allows you to type a message each time you lock the screen from the menu"))
settings.add_row(widget)
settings = page.add_section(_("General"))
widget = GSettingsSwitch(_("Allow keyboard shortcuts"), schema, "allow-keyboard-shortcuts")
widget.set_tooltip_text(_("Allow shortcuts like volume-control and media keys to be used on the lock screen"))
settings.add_row(widget)
widget = GSettingsSwitch(_("Show media player controls"), schema, "allow-media-control")
widget.set_tooltip_text(_("For compatible players, show playback controls while media is playing"))
settings.add_row(widget)
widget = GSettingsSwitch(_("Show album art"), schema, "show-album-art")
widget.set_tooltip_text(_("If available, show album art while media is playing"))
settings.add_row(widget)
widget = GSettingsSwitch(_("Show info panel"), schema, "show-info-panel")
widget.set_tooltip_text(_("Show the number of missed notifications and the battery status"))
settings.add_row(widget)
widget = GSettingsSwitch(_("Allow floating clock and album art widgets"), schema, "floating-widgets")
widget.set_tooltip_text(_("When the default screensaver is active, allow the clock and album art widgets to float around randomly"))
settings.add_row(widget)
class ScreensaverBox(Gtk.Box):
def __init__(self, title):
Gtk.Box.__init__(self)
self.set_orientation(Gtk.Orientation.VERTICAL)
frame = Gtk.Frame()
frame.set_shadow_type(Gtk.ShadowType.IN)
frame_style = frame.get_style_context()
frame_style.add_class("view")
self.pack_start(frame, True, True, 0)
schema = "org.cinnamon.desktop.screensaver"
self.settings = Gio.Settings.new(schema)
self.webkit_executable = None
self.xscreensaver_executable = None
self.proc = None
self.current_name = self.settings.get_string("screensaver-name")
if self.current_name == "webkit@cinnamon.org":
self.current_name = self.settings.get_string("screensaver-webkit-theme")
elif self.current_name == "xscreensaver@cinnamon.org":
self.current_name = "xscreensaver-" + self.settings.get_string("xscreensaver-hack")
self.main_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
frame.add(self.main_box)
toolbar = Gtk.Toolbar.new()
Gtk.StyleContext.add_class(Gtk.Widget.get_style_context(toolbar), "cs-header")
label = Gtk.Label()
label.set_markup("<b>%s</b>" % title)
title_holder = Gtk.ToolItem()
title_holder.add(label)
toolbar.add(title_holder)
self.main_box.add(toolbar)
toolbar_separator = Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL)
self.main_box.add(toolbar_separator)
separator_context = toolbar_separator.get_style_context()
frame_color = frame_style.get_border_color(Gtk.StateFlags.NORMAL).to_string()
css_provider = Gtk.CssProvider()
css_provider.load_from_data(".separator { -GtkWidget-wide-separators: 0; \
color: %s; \
}" % frame_color)
separator_context.add_provider(css_provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
self.preview_stack = Gtk.Stack()
self.preview_stack.set_border_width(30)
self.preview_stack.set_size_request(-1, 300)
self.preview_stack.override_background_color(Gtk.StateFlags.NORMAL, Gdk.RGBA(0, 0, 0, 1))
self.main_box.pack_start(self.preview_stack, False, False, 0)
self.main_box.add(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL))
scw = Gtk.ScrolledWindow()
scw.expand = True
scw.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
scw.set_shadow_type(Gtk.ShadowType.NONE)
self.main_box.pack_start(scw, True, True, 0)
self.list_box = Gtk.ListBox()
self.list_box.set_selection_mode(Gtk.SelectionMode.SINGLE)
self.list_box.set_header_func(list_header_func, None)
self.list_box.connect("row-activated", self.on_row_activated)
scw.add(self.list_box)
self.socket = Gtk.Socket()
# Prevent the socket from self-destructing when its plug dies
self.socket.connect("plug-removed", lambda socket: True)
self.socket.show()
self.preview_stack.add_named(self.socket, "socket")
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size("/usr/share/cinnamon/thumbnails/wallclock.png", -1, 240)
image = Gtk.Image.new_from_pixbuf(pixbuf)
image.show()
self.preview_stack.add_named(image, "default")
self.gather_screensavers()
self.socket_map_id = self.preview_stack.connect("map", self.on_stack_mapped)
self.socket_unmap_id = self.preview_stack.connect("unmap", self.on_stack_unmapped)
def gather_screensavers(self):
row = ScreensaverRow("", _("Screen Locker"), _("The standard cinnamon lock screen"), "", "default")
self.add_row(row)
if self.current_name == "":
self.list_box.select_row(row)
dirs = [os.path.expanduser("~/.local/share/cinnamon-screensaver/screensavers")] + \
[os.path.join(x, "cinnamon-screensaver/screensavers/") for x in GLib.get_system_data_dirs()]
things = []
for directory in dirs:
if not os.path.isdir(directory):
continue
things += [os.path.join(directory, x) for x in os.listdir(directory)]
for path in things:
if not os.path.isdir(path):
continue
# Recurse inside if it is webkit
if os.path.basename(path.rstrip('/')) == "webkit@cinnamon.org":
webkits = [os.path.join(path, x) for x in os.listdir(path)]
for theme in webkits:
if os.path.basename(theme) == 'main':
self.webkit_executable = theme
continue
if not os.path.isdir(theme):
continue
self.parse_dir(theme, path, "webkit")
continue
if os.path.basename(path.rstrip('/')) == "xscreensaver@cinnamon.org":
if os.path.exists(os.path.join(path, 'main')):
self.xscreensaver_executable = os.path.join(path, 'main')
continue
self.parse_dir(path, path, "standalone")
if self.xscreensaver_executable is not None and os.path.exists(XSCREENSAVER_PATH):
xscreensavers = []
try:
gettext.install("xscreensaver", "/usr/share/locale")
for item in sorted(os.listdir(XSCREENSAVER_PATH)):
if not item.endswith(".xml"):
continue
path = os.path.join(XSCREENSAVER_PATH, item)
try:
tree = ElementTree.parse(path);
root = tree.getroot()
name = root.attrib["name"]
label = root.attrib["_label"]
description = root.find("_description").text.strip()
label = _(label)
description = _(description)
row = ScreensaverRow(name, label, description, XSCREENSAVER_PATH, "xscreensaver")
xscreensavers.append(row)
except Exception, detail:
print "Unable to parse xscreensaver information at %s: %s" % (path, detail)
xscreensavers = sorted(xscreensavers, key=lambda x: x.name)
for xscreensaver in xscreensavers:
self.add_row(xscreensaver)
if self.current_name == "xscreensaver-" + xscreensaver.uuid:
self.list_box.select_row(xscreensaver)
gettext.install("cinnamon", "/usr/share/locale")
except Exception, detail:
print "Unable to parse xscreensaver hacks: %s" % detail
def parse_dir(self, path, directory, ss_type):
try:
metadata = open(os.path.join(path, "metadata.json"), 'r').read()
data = json.loads(metadata)
name = data["name"]
uuid = data["uuid"]
assert uuid == os.path.basename(path.rstrip('/'))
try:
description = data["description"]
except KeyError:
description = None
except ValueError:
description = None
row = ScreensaverRow(uuid, name, description, directory, ss_type)
self.add_row(row)
if self.current_name == uuid:
self.list_box.select_row(row)
except:
print "Unable to parse screensaver information at %s" % path
def kill_plug(self):
if not self.proc:
return
for child in self.socket.get_children():
self.socket.remove(child)
self.proc.send_signal(signal.SIGTERM)
self.proc = None
def on_row_activated(self, list_box, row):
row = self.list_box.get_selected_row()
if not row:
return
self.kill_plug()
uuid = row.uuid
path = row.path
ss_type = row.ss_type
if uuid == '':
self.settings.set_string('screensaver-name', '')
elif ss_type == 'webkit':
self.settings.set_string('screensaver-name', 'webkit@cinnamon.org')
self.settings.set_string('screensaver-webkit-theme', uuid)
elif ss_type == 'xscreensaver':
self.settings.set_string('screensaver-name', 'xscreensaver@cinnamon.org')
self.settings.set_string('xscreensaver-hack', uuid)
else:
self.settings.set_string('screensaver-name', uuid)
if ss_type == 'default':
self.preview_stack.set_visible_child_name("default")
return
self.preview_stack.set_visible_child_name("socket")
if ss_type == 'webkit':
command = [self.webkit_executable, "--plugin", uuid]
elif ss_type == 'xscreensaver':
command = [self.xscreensaver_executable, "--hack", uuid]
else:
command = [os.path.join(path, "main")]
GObject.idle_add(self.idle_spawn_plug, command)
def idle_spawn_plug(self, command):
try:
self.proc = Gio.Subprocess.new(command, Gio.SubprocessFlags.STDOUT_PIPE | Gio.SubprocessFlags.STDERR_SILENCE)
except GLib.Error as e:
print e.message
pipe = self.proc.get_stdout_pipe()
bytes_read = pipe.read_bytes(1024, None)
pipe.close(None)
output = bytes_read.get_data().decode()
if output:
match = re.match('^\s*WINDOW ID=(\d+)\s*$', output)
if match:
self.socket.add_id(int(match.group(1)))
def on_stack_mapped(self, widget, data=None):
self.kill_plug()
self.on_row_activated(None, None)
GLib.idle_add(self.idle_scroll_to_selection)
def on_stack_unmapped(self, widget, data=None):
self.kill_plug()
def idle_scroll_to_selection(self):
row = self.list_box.get_selected_row()
alloc = row.get_allocation()
adjustment = self.list_box.get_adjustment()
adjustment.set_value(alloc.y)
def add_row(self, row):
self.list_box.add(row)
class ScreensaverRow(Gtk.ListBoxRow):
def __init__(self, uuid, name, description, path, ss_type):
Gtk.ListBoxRow.__init__(self)
self.uuid = uuid
self.name = name
# Add ... to the description if it is cut in the middle of a line. If
# the next line is empty, we interpret this as a paragraph break and
# don't insert ...
desc = description.split('\n')
if len(desc) <= 1 or len(desc[1].strip()) == 0:
self.short_description = desc[0]
else:
self.short_description = desc[0] + "..."
self.description = description
self.path = path
self.ss_type = ss_type
self.set_tooltip_text(self.description)
widget = SettingsWidget()
grid = Gtk.Grid()
grid.set_column_spacing(15)
widget.pack_start(grid, True, True, 0)
self.desc_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.desc_box.props.hexpand = True
self.desc_box.props.halign = Gtk.Align.START
self.name_label = Gtk.Label()
self.name_label.set_markup("<b>%s</b>" % self.name)
self.name_label.props.xalign = 0.0
self.desc_box.add(self.name_label)
self.comment_label = Gtk.Label()
self.comment_label.set_markup("<small>%s</small>" % self.short_description)
self.comment_label.props.xalign = 0.0
self.comment_label.set_ellipsize(Pango.EllipsizeMode.END)
self.comment_label.set_max_width_chars(80)
self.desc_box.add(self.comment_label)
grid.attach(self.desc_box, 0, 0, 1, 1)
type_box = Gtk.Box()
type_label = Gtk.Label()
type_label.set_markup("<small><i>%s</i></small>" % self.ss_type)
type_box.pack_start(type_label, True, True, 0)
grid.attach_next_to(type_box, self.desc_box, Gtk.PositionType.RIGHT, 1, 1)
self.add(widget)