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Unfiy completions into single file

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This commit is contained in:
Florian Bruhin 2014-04-25 12:29:00 +02:00
parent 875666265b
commit da91907656
5 changed files with 469 additions and 489 deletions
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416
qutebrowser/models/basecompletion.py Normal file
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@ -0,0 +1,416 @@
# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser 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.
#
# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""The base completion model for completion in the command line.
Module attributes:
ROLE_MARKS: The role index used for marks.
"""
import logging
from PyQt5.QtCore import Qt, QVariant, QAbstractItemModel, QModelIndex
ROLE_MARKS = Qt.UserRole
class NoCompletionsError(Exception):
"""Gets raised when there are no completions available."""
pass
class BaseCompletionModel(QAbstractItemModel):
"""A simple tree model based on Python OrderdDict containing tuples.
Used for showing completions later in the CompletionView.
Attributes:
_id_map: A mapping from Python object IDs (from id()) to objects, to be
used as internalIndex for the model.
_root: The root item.
"""
def __init__(self, parent=None):
super().__init__(parent)
self._id_map = {}
self._root = CompletionItem([""] * 2)
self._id_map[id(self._root)] = self._root
def _node(self, index):
"""Return the interal data representation for index.
Args:
index: The QModelIndex to get data for.
Return:
The CompletionItem for index, or the root CompletionItem if the
index was invalid.
"""
if index.isValid():
return self._id_map[index.internalId()]
else:
return self._root
def _get_marks(self, needle, haystack):
"""Return the marks for needle in haystack.
Args:
needle: The substring which should match.
haystack: The string where the matches should be in.
Return:
A list of (startidx, endidx) tuples.
"""
pos1 = pos2 = 0
marks = []
if not needle:
return marks
while True:
pos1 = haystack.find(needle, pos2)
if pos1 == -1:
break
pos2 = pos1 + len(needle)
marks.append((pos1, pos2))
return marks
def mark_all_items(self, needle):
"""Mark a string in all items (children of root-children).
Args:
needle: The string to mark.
"""
for i in range(self.rowCount()):
cat = self.index(i, 0)
for k in range(self.rowCount(cat)):
idx = self.index(k, 0, cat)
old = self.data(idx).value()
marks = self._get_marks(needle, old)
self.setData(idx, marks, ROLE_MARKS)
def new_category(self, name):
"""Add a new category to the model.
Args:
name: The name of the category to add.
Return:
The created CompletionItem.
"""
cat = CompletionItem([name], self._root)
self._id_map[id(cat)] = cat
self._root.children.append(cat)
return cat
def new_item(self, cat, name, desc=""):
"""Add a new item to a category.
Args:
cat: The parent category.
name: The name of the item.
desc: The description of the item.
Return:
The created CompletionItem.
"""
item = CompletionItem((name, desc), parent=cat)
self._id_map[id(item)] = item
cat.children.append(item)
return item
def removeRows(self, position=0, count=1, parent=QModelIndex()):
"""Remove rows from the model.
Override QAbstractItemModel::removeRows.
Args:
position: The start row to remove.
count: How many rows to remove.
parent: The parent QModelIndex.
"""
node = self._node(parent)
self.beginRemoveRows(parent, position, position + count - 1)
node.children.pop(position)
self.endRemoveRows()
def columnCount(self, _parent=QModelIndex()):
"""Return the column count in the model.
Override QAbstractItemModel::columnCount.
Args:
parent: The parent for which to return the column count. Currently
ignored.
Return:
Column count as an integer.
"""
return self._root.column_count()
def rowCount(self, parent=QModelIndex()):
"""Return the children count of an item.
Use the root frame if parent is invalid.
Override QAbstractItemModel::rowCount.
Args:
parent: The parent for which to return the row count.
Return:
Row count as an integer.
"""
if parent.column() > 0:
return 0
if not parent.isValid():
pitem = self._root
else:
pitem = self._id_map[parent.internalId()]
return len(pitem.children)
def data(self, index, role=Qt.DisplayRole):
"""Return the data for role/index as QVariant.
Override QAbstractItemModel::data.
Args:
index: The QModelIndex for which to get data for.
role: The role to use for the data.
Return:
The data as QVariant or an invalid QVariant on error.
"""
if not index.isValid():
return QVariant()
try:
item = self._id_map[index.internalId()]
except KeyError:
return QVariant()
try:
return QVariant(item.data(index.column(), role))
except (IndexError, ValueError):
return QVariant()
def headerData(self, section, orientation, role=Qt.DisplayRole):
"""Return the header data for role/index as QVariant.
Override QAbstractItemModel::headerData.
Args:
section: The section (as int) for which to get the header data.
orientation: Qt.Vertical or Qt.Horizontal
Return:
The data as QVariant or an invalid QVariant on error.
"""
if orientation == Qt.Horizontal and role == Qt.DisplayRole:
return QVariant(self._root.data(section))
return QVariant()
def setData(self, index, value, role=Qt.EditRole):
"""Set the data for role/index to value.
Override QAbstractItemModel::setData.
Args:
index: The QModelIndex where to set the data.
value: The new data value.
role: The role to set the data for.
Return:
True on success, False on failure.
Emit:
dataChanged when the data was changed.
"""
if not index.isValid():
return False
item = self._id_map[index.internalId()]
try:
item.setdata(index.column(), value, role)
except (IndexError, ValueError):
return False
# We explicitely need to select this version, see:
# http://python.6.x6.nabble.com/Bug-Report-pyqt5-discard-silently-signal-with-missing-optional-parameters-dataChanged-roles-for-exam-tt5043737.html
self.dataChanged.emit(index, index, [])
return True
def flags(self, index):
"""Return the item flags for index.
Override QAbstractItemModel::flags.
Args:
index: The QModelIndex to get item flags for.
Return:
The item flags, or Qt.NoItemFlags on error.
"""
if not index.isValid():
return Qt.NoItemFlags
if index.parent().isValid():
# item
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
else:
# category
return Qt.NoItemFlags
def index(self, row, column, parent=QModelIndex()):
"""Return the QModelIndex for row/column/parent.
Override QAbstractItemModel::index.
Args:
row: The row (int) to get an index for.
column: The column (int) to get an index for.
parent: The parent (QModelIndex) to get an index for.
Return:
A generated QModelIndex or an invalid QModelIndex on failure.
"""
if parent.model() is not None and parent.model() is not self:
logging.warn("index() called with wrong parent! - "
"row {}, column {}, parentmodel {}, self {}".format(
row, column, parent.model(), self))
return
if (0 <= row < self.rowCount(parent) and
0 <= column < self.columnCount(parent)):
pass
else:
return QModelIndex()
if not parent.isValid():
parent_item = self._root
else:
parent_item = self._id_map[parent.internalId()]
child_item = parent_item.children[row]
if child_item:
index = self.createIndex(row, column, id(child_item))
self._id_map.setdefault(index.internalId(), child_item)
return index
else:
return QModelIndex()
def parent(self, index):
"""Return the QModelIndex of the parent of the object behind index.
Override QAbstractItemModel::parent.
Args:
index: The QModelIndex to get the parent for.
Return:
The parent's QModelIndex or an invalid QModelIndex on failure.
"""
if not index.isValid():
return QModelIndex()
item = self._id_map[index.internalId()].parent
if item == self._root or item is None:
return QModelIndex()
return self.createIndex(item.row(), 0, id(item))
def sort(self, column, order=Qt.AscendingOrder):
"""Sort the data in column according to order.
Override QAbstractItemModel::sort.
Raise:
NotImplementedError, should be overwritten in a superclass.
"""
raise NotImplementedError
class CompletionItem():
"""An item (row) in a CompletionModel.
Attributes:
parent: The parent of this item.
children: The children of this item.
_data: The data of this item.
_marks: The marks of this item.
"""
def __init__(self, data, parent=None):
"""Constructor for CompletionItem.
Args:
data: The data for the model, as tuple (columns).
parent: An optional parent item.
"""
self.parent = parent
self.children = []
self._data = data
self._marks = []
def data(self, column, role=Qt.DisplayRole):
"""Get the data for role/column.
Args:
column: The column (int) to get data for.
role: The role to get data for.
Return:
The requested data.
Raise:
ValueError if the role is invalid.
"""
if role == Qt.DisplayRole:
return self._data[column]
elif role == ROLE_MARKS:
return self._marks
else:
raise ValueError("Invalid role {}".format(role))
def setdata(self, column, value, role=Qt.DisplayRole):
"""Set the data for column/role to value.
Args:
column: The column (int) to set the data for.
value: The value to set the data to.
role: The role to set the data for.
Raise:
ValueError if the role is invalid.
"""
if role == Qt.DisplayRole:
self._data[column] = value
elif role == ROLE_MARKS:
self._marks = value
else:
raise ValueError("Invalid role {}".format(role))
def column_count(self):
"""Get the column count in the item.
Return:
The column count.
"""
return len(self._data)
def row(self):
"""Get the row index (int) of the item.
Return:
The row index of the item, or 0 if we're a root item.
"""
if self.parent:
return self.parent.children.index(self)
return 0

39
qutebrowser/models/commandcompletion.py
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@ -1,39 +0,0 @@
# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser 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.
#
# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""A CompletionModel filled with all commands and descriptions."""
from qutebrowser.commands.utils import cmd_dict
from qutebrowser.models.completion import CompletionModel
class CommandCompletionModel(CompletionModel):
"""A CompletionModel filled with all commands and descriptions."""
# pylint: disable=abstract-method
def __init__(self, parent=None):
super().__init__(parent)
assert cmd_dict
cmdlist = []
for obj in set(cmd_dict.values()):
if not obj.hide:
cmdlist.append((obj.name, obj.desc))
cat = self.new_category("Commands")
for (name, desc) in sorted(cmdlist):
self.new_item(cat, name, desc)

425
qutebrowser/models/completion.py
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@ -15,402 +15,75 @@
# You should have received a copy of the GNU General Public License
# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""The base completion model for completion in the command line.
"""CompletionModels for different usages."""
Module attributes:
ROLE_MARKS: The role index used for marks.
"""
import logging
from PyQt5.QtCore import Qt, QVariant, QAbstractItemModel, QModelIndex
ROLE_MARKS = Qt.UserRole
import qutebrowser.config.configdata as configdata
from qutebrowser.models.basecompletion import (BaseCompletionModel,
NoCompletionsError)
from qutebrowser.commands.utils import cmd_dict
class NoCompletionsError(Exception):
class SettingSectionCompletionModel(BaseCompletionModel):
"""Gets raised when there are no completions available."""
"""A CompletionModel filled with settings sections."""
pass
class CompletionModel(QAbstractItemModel):
"""A simple tree model based on Python OrderdDict containing tuples.
Used for showing completions later in the CompletionView.
Attributes:
_id_map: A mapping from Python object IDs (from id()) to objects, to be
used as internalIndex for the model.
_root: The root item.
"""
# pylint: disable=abstract-method
def __init__(self, parent=None):
super().__init__(parent)
self._id_map = {}
self._root = CompletionItem([""] * 2)
self._id_map[id(self._root)] = self._root
cat = self.new_category("Config sections")
for name in configdata.DATA.keys():
desc = configdata.SECTION_DESC[name].splitlines()[0].strip()
self.new_item(cat, name, desc)
def _node(self, index):
"""Return the interal data representation for index.
Args:
index: The QModelIndex to get data for.
class SettingOptionCompletionModel(BaseCompletionModel):
Return:
The CompletionItem for index, or the root CompletionItem if the
index was invalid.
"""
if index.isValid():
return self._id_map[index.internalId()]
else:
return self._root
"""A CompletionModel filled with settings and their descriptions."""
def _get_marks(self, needle, haystack):
"""Return the marks for needle in haystack.
# pylint: disable=abstract-method
Args:
needle: The substring which should match.
haystack: The string where the matches should be in.
def __init__(self, section, parent=None):
super().__init__(parent)
cat = self.new_category("Config options for {}".format(section))
sectdata = configdata.DATA[section]
for name, _ in sectdata.items():
try:
desc = sectdata.descriptions[name]
except (KeyError, AttributeError):
desc = ""
self.new_item(cat, name, desc)
Return:
A list of (startidx, endidx) tuples.
"""
pos1 = pos2 = 0
marks = []
if not needle:
return marks
while True:
pos1 = haystack.find(needle, pos2)
if pos1 == -1:
break
pos2 = pos1 + len(needle)
marks.append((pos1, pos2))
return marks
def mark_all_items(self, needle):
"""Mark a string in all items (children of root-children).
class SettingValueCompletionModel(BaseCompletionModel):
Args:
needle: The string to mark.
"""
for i in range(self.rowCount()):
cat = self.index(i, 0)
for k in range(self.rowCount(cat)):
idx = self.index(k, 0, cat)
old = self.data(idx).value()
marks = self._get_marks(needle, old)
self.setData(idx, marks, ROLE_MARKS)
"""A CompletionModel filled with setting values."""
def new_category(self, name):
"""Add a new category to the model.
# pylint: disable=abstract-method
Args:
name: The name of the category to add.
def __init__(self, section, option, parent=None):
super().__init__(parent)
cat = self.new_category("Setting values for {}".format(option))
vals = configdata.DATA[section][option].typ.complete()
if vals is None:
raise NoCompletionsError
for (val, desc) in vals:
self.new_item(cat, val, desc)
Return:
The created CompletionItem.
"""
cat = CompletionItem([name], self._root)
self._id_map[id(cat)] = cat
self._root.children.append(cat)
return cat
def new_item(self, cat, name, desc=""):
"""Add a new item to a category.
class CommandCompletionModel(BaseCompletionModel):
Args:
cat: The parent category.
name: The name of the item.
desc: The description of the item.
"""A CompletionModel filled with all commands and descriptions."""
Return:
The created CompletionItem.
"""
item = CompletionItem((name, desc), parent=cat)
self._id_map[id(item)] = item
cat.children.append(item)
return item
# pylint: disable=abstract-method
def removeRows(self, position=0, count=1, parent=QModelIndex()):
"""Remove rows from the model.
Override QAbstractItemModel::removeRows.
Args:
position: The start row to remove.
count: How many rows to remove.
parent: The parent QModelIndex.
"""
node = self._node(parent)
self.beginRemoveRows(parent, position, position + count - 1)
node.children.pop(position)
self.endRemoveRows()
def columnCount(self, _parent=QModelIndex()):
"""Return the column count in the model.
Override QAbstractItemModel::columnCount.
Args:
parent: The parent for which to return the column count. Currently
ignored.
Return:
Column count as an integer.
"""
return self._root.column_count()
def rowCount(self, parent=QModelIndex()):
"""Return the children count of an item.
Use the root frame if parent is invalid.
Override QAbstractItemModel::rowCount.
Args:
parent: The parent for which to return the row count.
Return:
Row count as an integer.
"""
if parent.column() > 0:
return 0
if not parent.isValid():
pitem = self._root
else:
pitem = self._id_map[parent.internalId()]
return len(pitem.children)
def data(self, index, role=Qt.DisplayRole):
"""Return the data for role/index as QVariant.
Override QAbstractItemModel::data.
Args:
index: The QModelIndex for which to get data for.
role: The role to use for the data.
Return:
The data as QVariant or an invalid QVariant on error.
"""
if not index.isValid():
return QVariant()
try:
item = self._id_map[index.internalId()]
except KeyError:
return QVariant()
try:
return QVariant(item.data(index.column(), role))
except (IndexError, ValueError):
return QVariant()
def headerData(self, section, orientation, role=Qt.DisplayRole):
"""Return the header data for role/index as QVariant.
Override QAbstractItemModel::headerData.
Args:
section: The section (as int) for which to get the header data.
orientation: Qt.Vertical or Qt.Horizontal
Return:
The data as QVariant or an invalid QVariant on error.
"""
if orientation == Qt.Horizontal and role == Qt.DisplayRole:
return QVariant(self._root.data(section))
return QVariant()
def setData(self, index, value, role=Qt.EditRole):
"""Set the data for role/index to value.
Override QAbstractItemModel::setData.
Args:
index: The QModelIndex where to set the data.
value: The new data value.
role: The role to set the data for.
Return:
True on success, False on failure.
Emit:
dataChanged when the data was changed.
"""
if not index.isValid():
return False
item = self._id_map[index.internalId()]
try:
item.setdata(index.column(), value, role)
except (IndexError, ValueError):
return False
# We explicitely need to select this version, see:
# http://python.6.x6.nabble.com/Bug-Report-pyqt5-discard-silently-signal-with-missing-optional-parameters-dataChanged-roles-for-exam-tt5043737.html
self.dataChanged.emit(index, index, [])
return True
def flags(self, index):
"""Return the item flags for index.
Override QAbstractItemModel::flags.
Args:
index: The QModelIndex to get item flags for.
Return:
The item flags, or Qt.NoItemFlags on error.
"""
if not index.isValid():
return Qt.NoItemFlags
if index.parent().isValid():
# item
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
else:
# category
return Qt.NoItemFlags
def index(self, row, column, parent=QModelIndex()):
"""Return the QModelIndex for row/column/parent.
Override QAbstractItemModel::index.
Args:
row: The row (int) to get an index for.
column: The column (int) to get an index for.
parent: The parent (QModelIndex) to get an index for.
Return:
A generated QModelIndex or an invalid QModelIndex on failure.
"""
if parent.model() is not None and parent.model() is not self:
logging.warn("index() called with wrong parent! - "
"row {}, column {}, parentmodel {}, self {}".format(
row, column, parent.model(), self))
return
if (0 <= row < self.rowCount(parent) and
0 <= column < self.columnCount(parent)):
pass
else:
return QModelIndex()
if not parent.isValid():
parent_item = self._root
else:
parent_item = self._id_map[parent.internalId()]
child_item = parent_item.children[row]
if child_item:
index = self.createIndex(row, column, id(child_item))
self._id_map.setdefault(index.internalId(), child_item)
return index
else:
return QModelIndex()
def parent(self, index):
"""Return the QModelIndex of the parent of the object behind index.
Override QAbstractItemModel::parent.
Args:
index: The QModelIndex to get the parent for.
Return:
The parent's QModelIndex or an invalid QModelIndex on failure.
"""
if not index.isValid():
return QModelIndex()
item = self._id_map[index.internalId()].parent
if item == self._root or item is None:
return QModelIndex()
return self.createIndex(item.row(), 0, id(item))
def sort(self, column, order=Qt.AscendingOrder):
"""Sort the data in column according to order.
Override QAbstractItemModel::sort.
Raise:
NotImplementedError, should be overwritten in a superclass.
"""
raise NotImplementedError
class CompletionItem():
"""An item (row) in a CompletionModel.
Attributes:
parent: The parent of this item.
children: The children of this item.
_data: The data of this item.
_marks: The marks of this item.
"""
def __init__(self, data, parent=None):
"""Constructor for CompletionItem.
Args:
data: The data for the model, as tuple (columns).
parent: An optional parent item.
"""
self.parent = parent
self.children = []
self._data = data
self._marks = []
def data(self, column, role=Qt.DisplayRole):
"""Get the data for role/column.
Args:
column: The column (int) to get data for.
role: The role to get data for.
Return:
The requested data.
Raise:
ValueError if the role is invalid.
"""
if role == Qt.DisplayRole:
return self._data[column]
elif role == ROLE_MARKS:
return self._marks
else:
raise ValueError("Invalid role {}".format(role))
def setdata(self, column, value, role=Qt.DisplayRole):
"""Set the data for column/role to value.
Args:
column: The column (int) to set the data for.
value: The value to set the data to.
role: The role to set the data for.
Raise:
ValueError if the role is invalid.
"""
if role == Qt.DisplayRole:
self._data[column] = value
elif role == ROLE_MARKS:
self._marks = value
else:
raise ValueError("Invalid role {}".format(role))
def column_count(self):
"""Get the column count in the item.
Return:
The column count.
"""
return len(self._data)
def row(self):
"""Get the row index (int) of the item.
Return:
The row index of the item, or 0 if we're a root item.
"""
if self.parent:
return self.parent.children.index(self)
return 0
def __init__(self, parent=None):
super().__init__(parent)
assert cmd_dict
cmdlist = []
for obj in set(cmd_dict.values()):
if not obj.hide:
cmdlist.append((obj.name, obj.desc))
cat = self.new_category("Commands")
for (name, desc) in sorted(cmdlist):
self.new_item(cat, name, desc)

69
qutebrowser/models/settingcompletion.py
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@ -1,69 +0,0 @@
# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser 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.
#
# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""CompletionModels for settings/sections."""
from qutebrowser.models.completion import CompletionModel, NoCompletionsError
import qutebrowser.config.configdata as configdata
class SettingSectionCompletionModel(CompletionModel):
"""A CompletionModel filled with settings sections."""
# pylint: disable=abstract-method
def __init__(self, parent=None):
super().__init__(parent)
cat = self.new_category("Config sections")
for name in configdata.DATA.keys():
desc = configdata.SECTION_DESC[name].splitlines()[0].strip()
self.new_item(cat, name, desc)
class SettingOptionCompletionModel(CompletionModel):
"""A CompletionModel filled with settings and their descriptions."""
# pylint: disable=abstract-method
def __init__(self, section, parent=None):
super().__init__(parent)
cat = self.new_category("Config options for {}".format(section))
sectdata = configdata.DATA[section]
for name, _ in sectdata.items():
try:
desc = sectdata.descriptions[name]
except (KeyError, AttributeError):
desc = ""
self.new_item(cat, name, desc)
class SettingValueCompletionModel(CompletionModel):
"""A CompletionModel filled with setting values."""
# pylint: disable=abstract-method
def __init__(self, section, option, parent=None):
super().__init__(parent)
cat = self.new_category("Setting values for {}".format(option))
vals = configdata.DATA[section][option].typ.complete()
if vals is None:
raise NoCompletionsError
for (val, desc) in vals:
self.new_item(cat, val, desc)

9
qutebrowser/widgets/_completion.py
View File

@ -34,14 +34,13 @@ from PyQt5.QtGui import (QIcon, QPalette, QTextDocument, QTextOption,
import qutebrowser.config.config as config
import qutebrowser.commands.utils as cmdutils
import qutebrowser.config.configdata as configdata
from qutebrowser.models.completion import ROLE_MARKS, NoCompletionsError
from qutebrowser.models.basecompletion import ROLE_MARKS, NoCompletionsError
from qutebrowser.config.style import set_register_stylesheet, get_stylesheet
from qutebrowser.commands.managers import split_cmdline
from qutebrowser.models.completionfilter import CompletionFilterModel
from qutebrowser.models.commandcompletion import CommandCompletionModel
from qutebrowser.models.settingcompletion import (
SettingSectionCompletionModel, SettingOptionCompletionModel,
SettingValueCompletionModel)
from qutebrowser.models.completion import (
CommandCompletionModel, SettingSectionCompletionModel,
SettingOptionCompletionModel, SettingValueCompletionModel)
class CompletionView(QTreeView):