from collections import namedtuple
from gi.repository import Gtk, GObject
from lightdm_gtk_greeter_settings.helpers import get_data_path, NC_, C_
__all__ = ['IconChooserDialog']
class IconChooserDialog(Gtk.Dialog):
__gtype_name__ = 'IconChooserDialog'
ContextsModelRow = namedtuple('ContextsModelRow',
('name', 'standard', 'title'))
IconsModelRow = namedtuple('IconsModelRow',
('name', 'standard', 'context'))
IconsFilterArgs = namedtuple('IconsFilterArgs', ('standard', 'context'))
BUILDER_WIDGETS = ('name', 'preview', 'standard_toggle', 'spinner',
'contexts_view', 'contexts_selection', 'contexts_model',
'contexts_filter', 'icons_view', 'icons_selection',
'icons_model', 'icons_sorted', 'icons_filter')
def __new__(cls):
builder = Gtk.Builder()
builder.add_from_file(get_data_path('%s.ui' % cls.__name__))
window = builder.get_object('icon_chooser_dialog')
window._builder = builder
window.__dict__.update(('_' + w, builder.get_object(w))
for w in cls.BUILDER_WIDGETS)
builder.connect_signals(window)
window._init_window()
return window
def _init_window(self):
# Map ContextsModelRow fields to self._CONTEXT_{FIELD} = {field-index}
for i, field in enumerate(IconChooserDialog.ContextsModelRow._fields):
setattr(self, '_CONTEXT_' + field.upper(), i)
# Map IconsModelRow fields to self._ICON_{FIELD} = {field-index}
for i, field in enumerate(IconChooserDialog.IconsModelRow._fields):
setattr(self, '_ICON_' + field.upper(), i)
self._icons_loaded = False
self._icon_to_select = None
self._icons_filter_args = None
self._contexts_view.set_row_separator_func(
self._contexts_row_separator_callback, None)
self._contexts_filter.set_visible_func(
self._contexts_filter_visible_callback)
self._icons_filter.set_visible_func(
self._icons_filter_visible_callback)
self._icons_sorted.set_sort_column_id(0, Gtk.SortType.ASCENDING)
self._reload()
def _read_icons(self):
theme = Gtk.IconTheme.get_default()
standard_contexts = set(name for name, title in STANDARD_CONTEXTS)
self._contexts_model.clear()
for name, title in STANDARD_CONTEXTS:
translated_title = title and C_('icon-dialog', title)
self._contexts_model.append(self.ContextsModelRow(name=name,
standard=True,
title=
translated_title)
)
for name in theme.list_contexts():
if name not in standard_contexts:
self._contexts_model.append(self.ContextsModelRow(name=name,
standard=
False,
title=name))
self._icons_model.clear()
for context in theme.list_contexts():
for icon in theme.list_icons(context):
row = self.IconsModelRow(name=icon,
standard=icon in STANDARD_ICON_NAMES,
context=context)
self._icons_model.append(row)
self._icons_loaded = True
if self._icon_to_select:
self.select_icon(self._icon_to_select)
self._icon_to_select = None
return False
def _reload(self):
GObject.idle_add(self._read_icons)
def _update_contexts_filter(self):
selected_iter = self._contexts_selection.get_selected()[1]
selected_path = self._contexts_filter.get_path(
selected_iter) if selected_iter else None
self._contexts_filter.refilter()
if selected_path and \
self._contexts_selection.path_is_selected(selected_path):
self._update_icons_filter()
def _update_icons_filter(self):
model, rowiter = self._contexts_selection.get_selected()
if rowiter:
self._icons_filter_args = self.IconsFilterArgs(
self._standard_toggle.props.active,
model[rowiter][self._CONTEXT_NAME])
else:
self._icons_filter_args = None
self._icons_view.props.model = None
self._icons_filter.refilter()
self._icons_view.props.model = self._icons_sorted
def _contexts_filter_visible_callback(self, model, rowiter, data):
if not self._standard_toggle.props.active:
return True
return model[rowiter][self._CONTEXT_STANDARD]
def _contexts_row_separator_callback(self, model, rowiter, data):
return not model[rowiter][self._CONTEXT_NAME] and \
not model[rowiter][self._CONTEXT_TITLE]
def _icons_filter_visible_callback(self, model, rowiter, data):
if not self._icons_filter_args:
return False
if self._icons_filter_args.standard and \
not model[rowiter][self._ICON_STANDARD]:
return False
if not self._icons_filter_args.context:
return True
return model[rowiter][self._ICON_CONTEXT] == \
self._icons_filter_args.context
def run(self):
return super().run()
def get_iconname(self):
return self._name.props.text
def select_icon(self, name):
if not self._icons_loaded:
self._icon_to_select = name
return
if not self._icons_filter_args or \
self._icons_filter_args.context is not None:
if name not in STANDARD_ICON_NAMES:
self._standard_toggle.props.active = False
self._contexts_selection.select_path(0)
for row in self._icons_sorted:
if row[self._ICON_NAME] == name:
self._icons_view.set_cursor(row.path)
self._icons_selection.select_path(row.path)
break
else:
self._name.props.text = name
def on_icons_selection_changed(self, selection):
model, rowiter = self._icons_selection.get_selected()
if rowiter:
name = model[rowiter][self._ICON_NAME]
self._name.props.text = name
def on_contexts_selection_changed(self, selection):
self._icons_selection.unselect_all()
self._update_icons_filter()
def on_standard_toggled(self, toggle):
self._update_contexts_filter()
def on_name_changed(self, entry):
name = entry.props.text
if not Gtk.IconTheme.get_default().has_icon(name):
name = ''
self._preview.props.icon_name = name
#http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html
STANDARD_CONTEXTS =\
(
(None, NC_('icon-dialog', 'All contexts')),
(None, ''), # separator
('Actions', NC_('icon-dialog', 'Actions')),
('Applications', NC_('icon-dialog', 'Applications')),
('Categories', NC_('icon-dialog', 'Categories')),
('Devices', NC_('icon-dialog', 'Devices')),
('Emblems', NC_('icon-dialog', 'Emblems')),
('Emotes', NC_('icon-dialog', 'Emoticons')),
('International', NC_('icon-dialog', 'International')),
('MimeTypes', NC_('icon-dialog', 'MIME Types')),
('Places', NC_('icon-dialog', 'Places')),
('Status', NC_('icon-dialog', 'Status'))
)
STANDARD_ICON_NAMES = \
{
# Actions
'address-book-new', 'application-exit', 'appointment-new',
'call-start', 'call-stop', 'contact-new', 'document-new',
'document-open', 'document-open-recent', 'document-page-setup',
'document-print', 'document-print-preview', 'document-properties',
'document-revert', 'document-save', 'document-save-as',
'document-send', 'edit-clear', 'edit-copy', 'edit-cut', 'edit-delete',
'edit-find', 'edit-find-replace', 'edit-paste', 'edit-redo',
'edit-select-all', 'edit-undo', 'folder-new', 'format-indent-less',
'format-indent-more', 'format-justify-center', 'format-justify-fill',
'format-justify-left', 'format-justify-right',
'format-text-direction-ltr', 'format-text-direction-rtl',
'format-text-bold', 'format-text-italic', 'format-text-underline',
'format-text-strikethrough', 'go-bottom', 'go-down', 'go-first',
'go-home', 'go-jump', 'go-last', 'go-next', 'go-previous', 'go-top',
'go-up', 'help-about', 'help-contents', 'help-faq', 'insert-image',
'insert-link', 'insert-object', 'insert-text', 'list-add',
'list-remove', 'mail-forward', 'mail-mark-important', 'mail-mark-junk',
'mail-mark-notjunk', 'mail-mark-read', 'mail-mark-unread',
'mail-message-new', 'mail-reply-all', 'mail-reply-sender', 'mail-send',
'mail-send-receive', 'media-eject', 'media-playback-pause',
'media-playback-start', 'media-playback-stop', 'media-record',
'media-seek-backward', 'media-seek-forward', 'media-skip-backward',
'media-skip-forward', 'object-flip-horizontal', 'object-flip-vertical',
'object-rotate-left', 'object-rotate-right', 'process-stop',
'system-lock-screen', 'system-log-out', 'system-run', 'system-search',
'system-reboot', 'system-shutdown', 'tools-check-spelling',
'view-fullscreen', 'view-refresh', 'view-restore',
'view-sort-ascending', 'view-sort-descending', 'window-close',
'window-new', 'zoom-fit-best', 'zoom-in', 'zoom-original', 'zoom-out',
# StandardApplicationIcons
'accessories-calculator', 'accessories-character-map',
'accessories-dictionary', 'accessories-text-editor', 'help-browser',
'multimedia-volume-control', 'preferences-desktop-accessibility',
'preferences-desktop-font', 'preferences-desktop-keyboard',
'preferences-desktop-locale', 'preferences-desktop-multimedia',
'preferences-desktop-screensaver', 'preferences-desktop-theme',
'preferences-desktop-wallpaper', 'system-file-manager',
'system-software-install', 'system-software-update',
'utilities-system-monitor', 'utilities-terminal',
# StandardCategoryIcons
'applications-accessories', 'applications-development',
'applications-engineering', 'applications-games',
'applications-graphics', 'applications-internet',
'applications-multimedia', 'applications-office', 'applications-other',
'applications-science', 'applications-system',
'applications-utilities', 'preferences-desktop',
'preferences-desktop-peripherals', 'preferences-desktop-personal',
'preferences-other', 'preferences-system',
'preferences-system-network', 'system-help',
# StandardDeviceIcons
'audio-card', 'audio-input-microphone', 'battery', 'camera-photo',
'camera-video', 'camera-web', 'computer', 'drive-harddisk',
'drive-optical', 'drive-removable-media', 'input-gaming',
'input-keyboard', 'input-mouse', 'input-tablet', 'media-flash',
'media-floppy', 'media-optical', 'media-tape', 'modem',
'multimedia-player', 'network-wired', 'network-wireless', 'pda',
'phone', 'printer', 'scanner', 'video-display',
# StandardEmblemIcons
'emblem-default', 'emblem-documents', 'emblem-downloads',
'emblem-favorite', 'emblem-important', 'emblem-mail', 'emblem-photos',
'emblem-readonly', 'emblem-shared', 'emblem-symbolic-link',
'emblem-synchronized', 'emblem-system', 'emblem-unreadable',
# StandardEmotionIcons
'face-angel', 'face-angry', 'face-cool', 'face-crying',
'face-devilish', 'face-embarrassed', 'face-kiss', 'face-laugh',
'face-monkey', 'face-plain', 'face-raspberry', 'face-sad', 'face-sick',
'face-smile', 'face-smile-big', 'face-smirk', 'face-surprise',
'face-tired', 'face-uncertain', 'face-wink', 'face-worried',
# StandardInternationalIcons
'flag-aa',
# StandardMIMETypeIcons
'application-x-executable', 'audio-x-generic', 'font-x-generic',
'image-x-generic', 'package-x-generic', 'text-html', 'text-x-generic',
'text-x-generic-template', 'text-x-script', 'video-x-generic',
'x-office-address-book', 'x-office-calendar', 'x-office-document',
'x-office-presentation', 'x-office-spreadsheet',
# StandardPlaceIcons
'folder', 'folder-remote', 'network-server', 'network-workgroup',
'start-here', 'user-bookmarks', 'user-desktop', 'user-home',
'user-trash',
# StandardStatusIcons
'appointment-missed', 'appointment-soon', 'audio-volume-high',
'audio-volume-low', 'audio-volume-medium', 'audio-volume-muted',
'battery-caution', 'battery-low', 'dialog-error', 'dialog-information',
'dialog-password', 'dialog-question', 'dialog-warning',
'folder-drag-accept', 'folder-open', 'folder-visiting',
'image-loading', 'image-missing', 'mail-attachment', 'mail-unread',
'mail-read', 'mail-replied', 'mail-signed', 'mail-signed-verified',
'media-playlist-repeat', 'media-playlist-shuffle', 'network-error',
'network-idle', 'network-offline', 'network-receive',
'network-transmit', 'network-transmit-receive', 'printer-error',
'printer-printing', 'security-high', 'security-medium', 'security-low',
'software-update-available', 'software-update-urgent', 'sync-error',
'sync-synchronizing', 'task-due', 'task-past-due', 'user-available',
'user-away', 'user-idle', 'user-offline', 'user-trash-full',
'weather-clear', 'weather-clear-night', 'weather-few-clouds',
'weather-few-clouds-night', 'weather-fog', 'weather-overcast',
'weather-severe-alert', 'weather-showers', 'weather-showers-scattered',
'weather-snow', 'weather-storm'
}