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33def3c4af
virt-manager/virtManager/preferences.py
Cole Robinson 33def3c4af preferences: Convert to singleton
2018-03-15 21:24:48 -04:00

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#
# Copyright (C) 2006, 2012-2013 Red Hat, Inc.
# Copyright (C) 2006 Daniel P. Berrange <berrange@redhat.com>
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
#
import logging
from gi.repository import Gtk
from gi.repository import Gdk
from . import uiutil
from .baseclass import vmmGObjectUI
class vmmPreferences(vmmGObjectUI):
_instance = None
@classmethod
def show_instance(cls, parentobj):
try:
if not cls._instance:
cls._instance = cls()
cls._instance.show(parentobj.topwin)
except Exception as e:
parentobj.err.show_err(
_("Error launching preferences: %s") % str(e))
def __init__(self):
vmmGObjectUI.__init__(self, "preferences.ui", "vmm-preferences")
self._init_ui()
self.refresh_view_system_tray()
self.refresh_update_interval()
self.refresh_console_accels()
self.refresh_console_scaling()
self.refresh_console_resizeguest()
self.refresh_new_vm_sound()
self.refresh_graphics_type()
self.refresh_add_spice_usbredir()
self.refresh_storage_format()
self.refresh_cpu_default()
self.refresh_cpu_poll()
self.refresh_disk_poll()
self.refresh_net_poll()
self.refresh_memory_poll()
self.refresh_grabkeys_combination()
self.refresh_confirm_forcepoweroff()
self.refresh_confirm_poweroff()
self.refresh_confirm_pause()
self.refresh_confirm_removedev()
self.refresh_confirm_interface()
self.refresh_confirm_unapplied()
self.refresh_confirm_delstorage()
self.builder.connect_signals({
"on_vmm_preferences_delete_event": self.close,
"on_prefs_close_clicked": self.close,
"on_prefs_system_tray_toggled": self.change_view_system_tray,
"on_prefs_stats_update_interval_changed": self.change_update_interval,
"on_prefs_console_accels_toggled": self.change_console_accels,
"on_prefs_console_scaling_changed": self.change_console_scaling,
"on_prefs_console_resizeguest_changed": self.change_console_resizeguest,
"on_prefs_new_vm_sound_toggled": self.change_new_vm_sound,
"on_prefs_graphics_type_changed": self.change_graphics_type,
"on_prefs_add_spice_usbredir_changed": self.change_add_spice_usbredir,
"on_prefs_storage_format_changed": self.change_storage_format,
"on_prefs_cpu_default_changed": self.change_cpu_default,
"on_prefs_stats_enable_cpu_toggled": self.change_cpu_poll,
"on_prefs_stats_enable_disk_toggled": self.change_disk_poll,
"on_prefs_stats_enable_net_toggled": self.change_net_poll,
"on_prefs_stats_enable_memory_toggled": self.change_memory_poll,
"on_prefs_confirm_forcepoweroff_toggled": self.change_confirm_forcepoweroff,
"on_prefs_confirm_poweroff_toggled": self.change_confirm_poweroff,
"on_prefs_confirm_pause_toggled": self.change_confirm_pause,
"on_prefs_confirm_removedev_toggled": self.change_confirm_removedev,
"on_prefs_confirm_interface_toggled": self.change_confirm_interface,
"on_prefs_confirm_unapplied_toggled": self.change_confirm_unapplied,
"on_prefs_confirm_delstorage_toggled": self.change_confirm_delstorage,
"on_prefs_btn_keys_define_clicked": self.change_grab_keys,
})
self.widget("prefs-graphics-type").emit("changed")
self.bind_escape_key_close()
def close(self, ignore1=None, ignore2=None):
logging.debug("Closing preferences")
self.topwin.hide()
return 1
def show(self, parent):
logging.debug("Showing preferences")
self.topwin.set_transient_for(parent)
self.topwin.present()
def _cleanup(self):
pass
def _init_ui(self):
combo = self.widget("prefs-console-scaling")
# [gsettings value, string]
model = Gtk.ListStore(int, str)
for row in [[0, _("Never")],
[1, _("Fullscreen only")],
[2, _("Always")]]:
model.append(row)
combo.set_model(model)
uiutil.init_combo_text_column(combo, 1)
combo = self.widget("prefs-console-resizeguest")
# [gsettings value, string]
model = Gtk.ListStore(int, str)
vals = {
0: _("Off"),
1: _("On"),
}
model.append([-1, _("System default (%s)") %
vals[self.config.default_console_resizeguest]])
for key, val in vals.items():
model.append([key, val])
combo.set_model(model)
uiutil.init_combo_text_column(combo, 1)
combo = self.widget("prefs-graphics-type")
# [gsettings value, string]
model = Gtk.ListStore(str, str)
for row in [["system", _("System default (%s)") %
self.config.default_graphics_from_config],
["vnc", "VNC"], ["spice", "Spice"]]:
model.append(row)
combo.set_model(model)
uiutil.init_combo_text_column(combo, 1)
combo = self.widget("prefs-add-spice-usbredir")
# [gsettings value, string]
model = Gtk.ListStore(str, str)
for row in [["system", _("System default (%s)") %
self.config.default_add_spice_usbredir],
["yes", _("Yes")], ["no", _("No")]]:
model.append(row)
combo.set_model(model)
uiutil.init_combo_text_column(combo, 1)
combo = self.widget("prefs-storage-format")
# [gsettings value, string]
model = Gtk.ListStore(str, str)
for row in [["default", _("System default (%s)") %
self.config.default_storage_format_from_config],
["raw", "Raw"],
["qcow2", "QCOW2"]]:
model.append(row)
combo.set_model(model)
uiutil.init_combo_text_column(combo, 1)
combo = self.widget("prefs-cpu-default")
# [gsettings value, string]
model = Gtk.ListStore(str, str)
for row in [["default", _("System default (%s)") %
self.config.cpu_default_from_config],
["hv-default", _("Hypervisor default")],
["host-model-only", _("Nearest host CPU model")],
["host-model", _("Copy host CPU definition")]]:
model.append(row)
combo.set_model(model)
uiutil.init_combo_text_column(combo, 1)
#########################
# Config Change Options #
#########################
def refresh_view_system_tray(self):
val = self.config.get_view_system_tray()
self.widget("prefs-system-tray").set_active(bool(val))
def refresh_update_interval(self):
self.widget("prefs-stats-update-interval").set_value(
self.config.get_stats_update_interval())
def refresh_console_accels(self):
self.widget("prefs-console-accels").set_active(
self.config.get_console_accels())
def refresh_console_scaling(self):
combo = self.widget("prefs-console-scaling")
val = self.config.get_console_scaling()
uiutil.set_list_selection(combo, val)
def refresh_console_resizeguest(self):
combo = self.widget("prefs-console-resizeguest")
val = self.config.get_console_resizeguest()
uiutil.set_list_selection(combo, val)
def refresh_new_vm_sound(self):
self.widget("prefs-new-vm-sound").set_active(
self.config.get_new_vm_sound())
def refresh_graphics_type(self):
combo = self.widget("prefs-graphics-type")
gtype = self.config.get_graphics_type(raw=True)
uiutil.set_list_selection(combo, gtype)
def refresh_add_spice_usbredir(self):
combo = self.widget("prefs-add-spice-usbredir")
val = self.config.get_add_spice_usbredir(raw=True)
uiutil.set_list_selection(combo, val)
def refresh_storage_format(self):
combo = self.widget("prefs-storage-format")
val = self.config.get_default_storage_format(raw=True)
uiutil.set_list_selection(combo, val)
def refresh_cpu_default(self):
combo = self.widget("prefs-cpu-default")
val = self.config.get_default_cpu_setting(raw=True)
uiutil.set_list_selection(combo, val)
def refresh_cpu_poll(self):
self.widget("prefs-stats-enable-cpu").set_active(
self.config.get_stats_enable_cpu_poll())
def refresh_disk_poll(self):
self.widget("prefs-stats-enable-disk").set_active(
self.config.get_stats_enable_disk_poll())
def refresh_net_poll(self):
self.widget("prefs-stats-enable-net").set_active(
self.config.get_stats_enable_net_poll())
def refresh_memory_poll(self):
self.widget("prefs-stats-enable-memory").set_active(
self.config.get_stats_enable_memory_poll())
def refresh_grabkeys_combination(self):
val = self.config.get_keys_combination()
# We convert keysyms to names
if not val:
keystr = "Control_L+Alt_L"
else:
keystr = None
for k in val.split(','):
try:
key = int(k)
except Exception:
key = None
if key is not None:
if keystr is None:
keystr = Gdk.keyval_name(key)
else:
keystr = keystr + "+" + Gdk.keyval_name(key)
self.widget("prefs-keys-grab-sequence").set_text(keystr)
def refresh_confirm_forcepoweroff(self):
self.widget("prefs-confirm-forcepoweroff").set_active(
self.config.get_confirm_forcepoweroff())
def refresh_confirm_poweroff(self):
self.widget("prefs-confirm-poweroff").set_active(
self.config.get_confirm_poweroff())
def refresh_confirm_pause(self):
self.widget("prefs-confirm-pause").set_active(
self.config.get_confirm_pause())
def refresh_confirm_removedev(self):
self.widget("prefs-confirm-removedev").set_active(
self.config.get_confirm_removedev())
def refresh_confirm_interface(self):
self.widget("prefs-confirm-interface").set_active(
self.config.get_confirm_interface())
def refresh_confirm_unapplied(self):
self.widget("prefs-confirm-unapplied").set_active(
self.config.get_confirm_unapplied())
def refresh_confirm_delstorage(self):
self.widget("prefs-confirm-delstorage").set_active(
self.config.get_confirm_delstorage())
def grabkeys_get_string(self, events):
keystr = ""
for ignore, keyval in events:
if keystr:
keystr += "+"
keystr += Gdk.keyval_name(keyval)
return keystr
def grabkeys_dlg_press(self, src_ignore, event, label, events):
if not [e for e in events if e[0] == event.hardware_keycode]:
events.append((event.hardware_keycode, event.keyval))
label.set_text(self.grabkeys_get_string(events))
def grabkeys_dlg_release(self, src_ignore, event, label, events):
for e in [e for e in events if e[0] == event.hardware_keycode]:
events.remove(e)
label.set_text(self.grabkeys_get_string(events))
def change_grab_keys(self, src_ignore):
dialog = Gtk.Dialog(_("Configure grab key combination"),
self.topwin,
Gtk.DialogFlags.MODAL | Gtk.DialogFlags.DESTROY_WITH_PARENT,
(Gtk.STOCK_CANCEL, Gtk.ResponseType.REJECT,
Gtk.STOCK_OK, Gtk.ResponseType.ACCEPT))
dialog.set_default_size(325, 160)
dialog.set_border_width(6)
infolabel = Gtk.Label(
label=_("You can now define grab keys by pressing them.\n"
"To confirm your selection please click OK button\n"
"while you have desired keys pressed."))
keylabel = Gtk.Label(label=_("Please press desired grab key combination"))
vbox = Gtk.VBox()
vbox.set_spacing(12)
vbox.pack_start(infolabel, False, False, 0)
vbox.pack_start(keylabel, False, False, 0)
dialog.get_content_area().add(vbox)
events = []
dialog.connect("key-press-event", self.grabkeys_dlg_press,
keylabel, events)
dialog.connect("key-release-event", self.grabkeys_dlg_release,
keylabel, events)
dialog.show_all()
result = dialog.run()
if result == Gtk.ResponseType.ACCEPT:
self.config.set_keys_combination([e[1] for e in events])
self.refresh_grabkeys_combination()
dialog.destroy()
def change_view_system_tray(self, src):
self.config.set_view_system_tray(src.get_active())
def change_update_interval(self, src):
self.config.set_stats_update_interval(src.get_value_as_int())
def change_console_accels(self, src):
self.config.set_console_accels(src.get_active())
def change_console_scaling(self, box):
self.config.set_console_scaling(box.get_active())
def change_console_resizeguest(self, box):
val = uiutil.get_list_selection(box)
self.config.set_console_resizeguest(val)
def change_new_vm_sound(self, src):
self.config.set_new_vm_sound(src.get_active())
def change_graphics_type(self, src):
val = uiutil.get_list_selection(src)
self.config.set_graphics_type(val)
uiutil.set_grid_row_visible(
self.widget("prefs-add-spice-usbredir"),
self.config.get_graphics_type() == "spice")
def change_add_spice_usbredir(self, src):
self.config.set_add_spice_usbredir(uiutil.get_list_selection(src))
def change_storage_format(self, src):
typ = uiutil.get_list_selection(src) or "default"
self.config.set_storage_format(typ.lower())
def change_cpu_default(self, src):
typ = uiutil.get_list_selection(src) or "default"
self.config.set_default_cpu_setting(typ.lower())
def change_cpu_poll(self, src):
self.config.set_stats_enable_cpu_poll(src.get_active())
def change_disk_poll(self, src):
self.config.set_stats_enable_disk_poll(src.get_active())
def change_net_poll(self, src):
self.config.set_stats_enable_net_poll(src.get_active())
def change_memory_poll(self, src):
self.config.set_stats_enable_memory_poll(src.get_active())
def change_confirm_forcepoweroff(self, src):
self.config.set_confirm_forcepoweroff(src.get_active())
def change_confirm_poweroff(self, src):
self.config.set_confirm_poweroff(src.get_active())
def change_confirm_pause(self, src):
self.config.set_confirm_pause(src.get_active())
def change_confirm_removedev(self, src):
self.config.set_confirm_removedev(src.get_active())
def change_confirm_interface(self, src):
self.config.set_confirm_interface(src.get_active())
def change_confirm_unapplied(self, src):
self.config.set_confirm_unapplied(src.get_active())
def change_confirm_delstorage(self, src):
self.config.set_confirm_delstorage(src.get_active())
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