# -*- coding: utf-8 -*-
#
# Copyright © Spyder Project Contributors
# Licensed under the terms of the MIT License
# (see spyder/__init__.py for details)
"""
Preferences plugin public facing API
"""
# Standard library imports
import ast
import os.path as osp
# Third party imports
from qtpy import API
from qtpy.compat import (getexistingdirectory, getopenfilename, from_qvariant,
to_qvariant)
from qtpy.QtCore import QSize, Qt, Signal, Slot, QRegExp
from qtpy.QtGui import QColor, QRegExpValidator, QTextOption
from qtpy.QtWidgets import (QButtonGroup, QCheckBox, QComboBox, QDialog,
QDialogButtonBox, QDoubleSpinBox, QFontComboBox,
QGridLayout, QGroupBox, QHBoxLayout, QLabel,
QLineEdit, QListView, QListWidget, QListWidgetItem,
QMessageBox, QPushButton, QRadioButton,
QScrollArea, QSpinBox, QSplitter, QStackedWidget,
QVBoxLayout, QWidget, QPlainTextEdit, QTabWidget)
# Local imports
from spyder.config.base import _, load_lang_conf
from spyder.config.manager import CONF
from spyder.config.user import NoDefault
from spyder.py3compat import to_text_string
from spyder.utils.icon_manager import ima
from spyder.utils.misc import getcwd_or_home
from spyder.widgets.colors import ColorLayout
from spyder.widgets.comboboxes import FileComboBox
class BaseConfigTab(QWidget):
"""Stub class to declare a config tab."""
pass
class ConfigAccessMixin(object):
"""Namespace for methods that access config storage"""
CONF_SECTION = None
def set_option(self, option, value, section=None,
recursive_notification=False):
section = self.CONF_SECTION if section is None else section
CONF.set(section, option, value,
recursive_notification=recursive_notification)
def get_option(self, option, default=NoDefault, section=None):
section = self.CONF_SECTION if section is None else section
return CONF.get(section, option, default)
def remove_option(self, option, section=None):
section = self.CONF_SECTION if section is None else section
CONF.remove_option(section, option)
class ConfigPage(QWidget):
"""Base class for configuration page in Preferences"""
# Signals
apply_button_enabled = Signal(bool)
show_this_page = Signal()
def __init__(self, parent, apply_callback=None):
QWidget.__init__(self, parent)
self.apply_callback = apply_callback
self.is_modified = False
def initialize(self):
"""
Initialize configuration page:
* setup GUI widgets
* load settings and change widgets accordingly
"""
self.setup_page()
self.load_from_conf()
def get_name(self):
"""Return configuration page name"""
raise NotImplementedError
def get_icon(self):
"""Return configuration page icon (24x24)"""
raise NotImplementedError
def setup_page(self):
"""Setup configuration page widget"""
raise NotImplementedError
def set_modified(self, state):
self.is_modified = state
self.apply_button_enabled.emit(state)
def is_valid(self):
"""Return True if all widget contents are valid"""
raise NotImplementedError
def apply_changes(self):
"""Apply changes callback"""
if self.is_modified:
self.save_to_conf()
if self.apply_callback is not None:
self.apply_callback()
# Since the language cannot be retrieved by CONF and the language
# is needed before loading CONF, this is an extra method needed to
# ensure that when changes are applied, they are copied to a
# specific file storing the language value. This only applies to
# the main section config.
if self.CONF_SECTION == u'main':
self._save_lang()
for restart_option in self.restart_options:
if restart_option in self.changed_options:
self.prompt_restart_required()
break # Ensure a single popup is displayed
self.set_modified(False)
def load_from_conf(self):
"""Load settings from configuration file"""
raise NotImplementedError
def save_to_conf(self):
"""Save settings to configuration file"""
raise NotImplementedError
class SpyderConfigPage(ConfigPage, ConfigAccessMixin):
"""Plugin configuration dialog box page widget"""
CONF_SECTION = None
def __init__(self, parent):
ConfigPage.__init__(self, parent,
apply_callback=lambda:
self._apply_settings_tabs(self.changed_options))
self.checkboxes = {}
self.radiobuttons = {}
self.lineedits = {}
self.textedits = {}
self.validate_data = {}
self.spinboxes = {}
self.comboboxes = {}
self.fontboxes = {}
self.coloredits = {}
self.scedits = {}
self.cross_section_options = {}
self.changed_options = set()
self.restart_options = dict() # Dict to store name and localized text
self.default_button_group = None
self.main = parent.main
self.tabs = None
def _apply_settings_tabs(self, options):
if self.tabs is not None:
for i in range(self.tabs.count()):
tab = self.tabs.widget(i)
layout = tab.layout()
for i in range(layout.count()):
widget = layout.itemAt(i).widget()
if hasattr(widget, 'apply_settings'):
if issubclass(type(widget), BaseConfigTab):
options |= widget.apply_settings()
self.apply_settings(options)
def apply_settings(self, options):
raise NotImplementedError
def check_settings(self):
"""This method is called to check settings after configuration
dialog has been shown"""
pass
def set_modified(self, state):
ConfigPage.set_modified(self, state)
if not state:
self.changed_options = set()
def is_valid(self):
"""Return True if all widget contents are valid"""
status = True
for lineedit in self.lineedits:
if lineedit in self.validate_data and lineedit.isEnabled():
validator, invalid_msg = self.validate_data[lineedit]
text = to_text_string(lineedit.text())
if not validator(text):
QMessageBox.critical(self, self.get_name(),
"%s:
%s" % (invalid_msg, text),
QMessageBox.Ok)
return False
if self.tabs is not None and status:
for i in range(self.tabs.count()):
tab = self.tabs.widget(i)
layout = tab.layout()
for i in range(layout.count()):
widget = layout.itemAt(i).widget()
if issubclass(type(widget), BaseConfigTab):
status &= widget.is_valid()
if not status:
return status
return status
def load_from_conf(self):
"""Load settings from configuration file."""
for checkbox, (sec, option, default) in list(self.checkboxes.items()):
checkbox.setChecked(self.get_option(option, default, section=sec))
checkbox.clicked.connect(lambda _, opt=option:
self.has_been_modified(opt))
for radiobutton, (sec, option, default) in list(
self.radiobuttons.items()):
radiobutton.setChecked(self.get_option(option, default,
section=sec))
radiobutton.toggled.connect(lambda _foo, opt=option:
self.has_been_modified(opt))
if radiobutton.restart_required:
self.restart_options[option] = radiobutton.label_text
for lineedit, (sec, option, default) in list(self.lineedits.items()):
data = self.get_option(option, default, section=sec)
if getattr(lineedit, 'content_type', None) == list:
data = ', '.join(data)
lineedit.setText(data)
lineedit.textChanged.connect(lambda _, opt=option:
self.has_been_modified(opt))
if lineedit.restart_required:
self.restart_options[option] = lineedit.label_text
for textedit, (sec, option, default) in list(self.textedits.items()):
data = self.get_option(option, default, section=sec)
if getattr(textedit, 'content_type', None) == list:
data = ', '.join(data)
elif getattr(textedit, 'content_type', None) == dict:
data = to_text_string(data)
textedit.setPlainText(data)
textedit.textChanged.connect(lambda opt=option:
self.has_been_modified(opt))
if textedit.restart_required:
self.restart_options[option] = textedit.label_text
for spinbox, (sec, option, default) in list(self.spinboxes.items()):
spinbox.setValue(self.get_option(option, default, section=sec))
spinbox.valueChanged.connect(lambda _foo, opt=option:
self.has_been_modified(opt))
for combobox, (sec, option, default) in list(self.comboboxes.items()):
value = self.get_option(option, default, section=sec)
for index in range(combobox.count()):
data = from_qvariant(combobox.itemData(index), to_text_string)
# For PyQt API v2, it is necessary to convert `data` to
# unicode in case the original type was not a string, like an
# integer for example (see qtpy.compat.from_qvariant):
if to_text_string(data) == to_text_string(value):
break
else:
if combobox.count() == 0:
index = None
if index:
combobox.setCurrentIndex(index)
combobox.currentIndexChanged.connect(lambda _foo, opt=option:
self.has_been_modified(opt))
if combobox.restart_required:
self.restart_options[option] = combobox.label_text
for (fontbox, sizebox), option in list(self.fontboxes.items()):
rich_font = True if "rich" in option.lower() else False
font = self.get_font(rich_font)
fontbox.setCurrentFont(font)
sizebox.setValue(font.pointSize())
if option is None:
property = 'plugin_font'
else:
property = option
fontbox.currentIndexChanged.connect(lambda _foo, opt=property:
self.has_been_modified(opt))
sizebox.valueChanged.connect(lambda _foo, opt=property:
self.has_been_modified(opt))
for clayout, (sec, option, default) in list(self.coloredits.items()):
property = to_qvariant(option)
edit = clayout.lineedit
btn = clayout.colorbtn
edit.setText(self.get_option(option, default, section=sec))
# QAbstractButton works differently for PySide and PyQt
if not API == 'pyside':
btn.clicked.connect(lambda _foo, opt=option:
self.has_been_modified(opt))
else:
btn.clicked.connect(lambda opt=option:
self.has_been_modified(opt))
edit.textChanged.connect(lambda _foo, opt=option:
self.has_been_modified(opt))
for (clayout, cb_bold, cb_italic
), (sec, option, default) in list(self.scedits.items()):
edit = clayout.lineedit
btn = clayout.colorbtn
options = self.get_option(option, default, section=sec)
if options:
color, bold, italic = options
edit.setText(color)
cb_bold.setChecked(bold)
cb_italic.setChecked(italic)
edit.textChanged.connect(lambda _foo, opt=option:
self.has_been_modified(opt))
# QAbstractButton works differently for PySide and PyQt
if not API == 'pyside':
btn.clicked.connect(lambda _foo, opt=option:
self.has_been_modified(opt))
cb_bold.clicked.connect(lambda _foo, opt=option:
self.has_been_modified(opt))
cb_italic.clicked.connect(lambda _foo, opt=option:
self.has_been_modified(opt))
else:
btn.clicked.connect(lambda opt=option:
self.has_been_modified(opt))
cb_bold.clicked.connect(lambda opt=option:
self.has_been_modified(opt))
cb_italic.clicked.connect(lambda opt=option:
self.has_been_modified(opt))
def save_to_conf(self):
"""Save settings to configuration file"""
for checkbox, (sec, option, _default) in list(
self.checkboxes.items()):
if option in self.changed_options:
value = checkbox.isChecked()
self.set_option(option, value, section=sec,
recursive_notification=False)
for radiobutton, (sec, option, _default) in list(
self.radiobuttons.items()):
if option in self.changed_options:
self.set_option(option, radiobutton.isChecked(), section=sec,
recursive_notification=False)
for lineedit, (sec, option, _default) in list(self.lineedits.items()):
if option in self.changed_options:
data = lineedit.text()
content_type = getattr(lineedit, 'content_type', None)
if content_type == list:
data = [item.strip() for item in data.split(',')]
else:
data = to_text_string(data)
self.set_option(option, data, section=sec,
recursive_notification=False)
for textedit, (sec, option, _default) in list(self.textedits.items()):
if option in self.changed_options:
data = textedit.toPlainText()
content_type = getattr(textedit, 'content_type', None)
if content_type == dict:
if data:
data = ast.literal_eval(data)
else:
data = textedit.content_type()
elif content_type in (tuple, list):
data = [item.strip() for item in data.split(',')]
else:
data = to_text_string(data)
self.set_option(option, data, section=sec,
recursive_notification=False)
for spinbox, (sec, option, _default) in list(self.spinboxes.items()):
if option in self.changed_options:
self.set_option(option, spinbox.value(), section=sec,
recursive_notification=False)
for combobox, (sec, option, _default) in list(self.comboboxes.items()):
if option in self.changed_options:
data = combobox.itemData(combobox.currentIndex())
self.set_option(option, from_qvariant(data, to_text_string),
section=sec, recursive_notification=False)
for (fontbox, sizebox), option in list(self.fontboxes.items()):
if option in self.changed_options:
font = fontbox.currentFont()
font.setPointSize(sizebox.value())
self.set_font(font, option)
for clayout, (sec, option, _default) in list(self.coloredits.items()):
if option in self.changed_options:
self.set_option(option,
to_text_string(clayout.lineedit.text()),
section=sec, recursive_notification=False)
for (clayout, cb_bold, cb_italic), (sec, option, _default) in list(
self.scedits.items()):
if option in self.changed_options:
color = to_text_string(clayout.lineedit.text())
bold = cb_bold.isChecked()
italic = cb_italic.isChecked()
self.set_option(option, (color, bold, italic), section=sec,
recursive_notification=False)
@Slot(str)
def has_been_modified(self, option):
self.set_modified(True)
self.changed_options.add(option)
def create_checkbox(self, text, option, default=NoDefault,
tip=None, msg_warning=None, msg_info=None,
msg_if_enabled=False, section=None):
checkbox = QCheckBox(text)
self.checkboxes[checkbox] = (section, option, default)
if section is not None and section != self.CONF_SECTION:
self.cross_section_options[option] = section
if tip is not None:
checkbox.setToolTip(tip)
if msg_warning is not None or msg_info is not None:
def show_message(is_checked=False):
if is_checked or not msg_if_enabled:
if msg_warning is not None:
QMessageBox.warning(self, self.get_name(),
msg_warning, QMessageBox.Ok)
if msg_info is not None:
QMessageBox.information(self, self.get_name(),
msg_info, QMessageBox.Ok)
checkbox.clicked.connect(show_message)
return checkbox
def create_radiobutton(self, text, option, default=NoDefault,
tip=None, msg_warning=None, msg_info=None,
msg_if_enabled=False, button_group=None,
restart=False, section=None):
radiobutton = QRadioButton(text)
if section is not None and section != self.CONF_SECTION:
self.cross_section_options[option] = section
if button_group is None:
if self.default_button_group is None:
self.default_button_group = QButtonGroup(self)
button_group = self.default_button_group
button_group.addButton(radiobutton)
if tip is not None:
radiobutton.setToolTip(tip)
self.radiobuttons[radiobutton] = (section, option, default)
if msg_warning is not None or msg_info is not None:
def show_message(is_checked):
if is_checked or not msg_if_enabled:
if msg_warning is not None:
QMessageBox.warning(self, self.get_name(),
msg_warning, QMessageBox.Ok)
if msg_info is not None:
QMessageBox.information(self, self.get_name(),
msg_info, QMessageBox.Ok)
radiobutton.toggled.connect(show_message)
radiobutton.restart_required = restart
radiobutton.label_text = text
return radiobutton
def create_lineedit(self, text, option, default=NoDefault,
tip=None, alignment=Qt.Vertical, regex=None,
restart=False, word_wrap=True, placeholder=None,
content_type=None, section=None):
if section is not None and section != self.CONF_SECTION:
self.cross_section_options[option] = section
label = QLabel(text)
label.setWordWrap(word_wrap)
edit = QLineEdit()
edit.content_type = content_type
layout = QVBoxLayout() if alignment == Qt.Vertical else QHBoxLayout()
layout.addWidget(label)
layout.addWidget(edit)
layout.setContentsMargins(0, 0, 0, 0)
if tip:
edit.setToolTip(tip)
if regex:
edit.setValidator(QRegExpValidator(QRegExp(regex)))
if placeholder:
edit.setPlaceholderText(placeholder)
self.lineedits[edit] = (section, option, default)
widget = QWidget(self)
widget.label = label
widget.textbox = edit
widget.setLayout(layout)
edit.restart_required = restart
edit.label_text = text
return widget
def create_textedit(self, text, option, default=NoDefault,
tip=None, restart=False, content_type=None,
section=None):
if section is not None and section != self.CONF_SECTION:
self.cross_section_options[option] = section
label = QLabel(text)
label.setWordWrap(True)
edit = QPlainTextEdit()
edit.content_type = content_type
edit.setWordWrapMode(QTextOption.WordWrap)
layout = QVBoxLayout()
layout.addWidget(label)
layout.addWidget(edit)
layout.setContentsMargins(0, 0, 0, 0)
if tip:
edit.setToolTip(tip)
self.textedits[edit] = (section, option, default)
widget = QWidget(self)
widget.label = label
widget.textbox = edit
widget.setLayout(layout)
edit.restart_required = restart
edit.label_text = text
return widget
def create_browsedir(self, text, option, default=NoDefault, tip=None,
section=None):
widget = self.create_lineedit(text, option, default, section=section,
alignment=Qt.Horizontal)
for edit in self.lineedits:
if widget.isAncestorOf(edit):
break
msg = _("Invalid directory path")
self.validate_data[edit] = (osp.isdir, msg)
browse_btn = QPushButton(ima.icon('DirOpenIcon'), '', self)
browse_btn.setToolTip(_("Select directory"))
browse_btn.clicked.connect(lambda: self.select_directory(edit))
layout = QHBoxLayout()
layout.addWidget(widget)
layout.addWidget(browse_btn)
layout.setContentsMargins(0, 0, 0, 0)
browsedir = QWidget(self)
browsedir.setLayout(layout)
return browsedir
def select_directory(self, edit):
"""Select directory"""
basedir = to_text_string(edit.text())
if not osp.isdir(basedir):
basedir = getcwd_or_home()
title = _("Select directory")
directory = getexistingdirectory(self, title, basedir)
if directory:
edit.setText(directory)
def create_browsefile(self, text, option, default=NoDefault, tip=None,
filters=None, section=None):
widget = self.create_lineedit(text, option, default, section=section,
alignment=Qt.Horizontal)
for edit in self.lineedits:
if widget.isAncestorOf(edit):
break
msg = _('Invalid file path')
self.validate_data[edit] = (osp.isfile, msg)
browse_btn = QPushButton(ima.icon('FileIcon'), '', self)
browse_btn.setToolTip(_("Select file"))
browse_btn.clicked.connect(lambda: self.select_file(edit, filters))
layout = QHBoxLayout()
layout.addWidget(widget)
layout.addWidget(browse_btn)
layout.setContentsMargins(0, 0, 0, 0)
browsedir = QWidget(self)
browsedir.setLayout(layout)
return browsedir
def select_file(self, edit, filters=None):
"""Select File"""
basedir = osp.dirname(to_text_string(edit.text()))
if not osp.isdir(basedir):
basedir = getcwd_or_home()
if filters is None:
filters = _("All files (*)")
title = _("Select file")
filename, _selfilter = getopenfilename(self, title, basedir, filters)
if filename:
edit.setText(filename)
def create_spinbox(self, prefix, suffix, option, default=NoDefault,
min_=None, max_=None, step=None, tip=None,
section=None):
if section is not None and section != self.CONF_SECTION:
self.cross_section_options[option] = section
widget = QWidget(self)
if prefix:
plabel = QLabel(prefix)
widget.plabel = plabel
else:
plabel = None
if suffix:
slabel = QLabel(suffix)
widget.slabel = slabel
else:
slabel = None
if step is not None:
if type(step) is int:
spinbox = QSpinBox()
else:
spinbox = QDoubleSpinBox()
spinbox.setDecimals(1)
spinbox.setSingleStep(step)
else:
spinbox = QSpinBox()
if min_ is not None:
spinbox.setMinimum(min_)
if max_ is not None:
spinbox.setMaximum(max_)
if tip is not None:
spinbox.setToolTip(tip)
self.spinboxes[spinbox] = (section, option, default)
layout = QHBoxLayout()
for subwidget in (plabel, spinbox, slabel):
if subwidget is not None:
layout.addWidget(subwidget)
layout.addStretch(1)
layout.setContentsMargins(0, 0, 0, 0)
widget.spinbox = spinbox
widget.setLayout(layout)
return widget
def create_coloredit(self, text, option, default=NoDefault, tip=None,
without_layout=False, section=None):
if section is not None and section != self.CONF_SECTION:
self.cross_section_options[option] = section
label = QLabel(text)
clayout = ColorLayout(QColor(Qt.black), self)
clayout.lineedit.setMaximumWidth(80)
if tip is not None:
clayout.setToolTip(tip)
self.coloredits[clayout] = (section, option, default)
if without_layout:
return label, clayout
layout = QHBoxLayout()
layout.addWidget(label)
layout.addLayout(clayout)
layout.addStretch(1)
layout.setContentsMargins(0, 0, 0, 0)
widget = QWidget(self)
widget.setLayout(layout)
return widget
def create_scedit(self, text, option, default=NoDefault, tip=None,
without_layout=False, section=None):
if section is not None and section != self.CONF_SECTION:
self.cross_section_options[option] = section
label = QLabel(text)
clayout = ColorLayout(QColor(Qt.black), self)
clayout.lineedit.setMaximumWidth(80)
if tip is not None:
clayout.setToolTip(tip)
cb_bold = QCheckBox()
cb_bold.setIcon(ima.icon('bold'))
cb_bold.setToolTip(_("Bold"))
cb_italic = QCheckBox()
cb_italic.setIcon(ima.icon('italic'))
cb_italic.setToolTip(_("Italic"))
self.scedits[(clayout, cb_bold, cb_italic)] = (section, option,
default)
if without_layout:
return label, clayout, cb_bold, cb_italic
layout = QHBoxLayout()
layout.addWidget(label)
layout.addLayout(clayout)
layout.addSpacing(10)
layout.addWidget(cb_bold)
layout.addWidget(cb_italic)
layout.addStretch(1)
layout.setContentsMargins(0, 0, 0, 0)
widget = QWidget(self)
widget.setLayout(layout)
return widget
def create_combobox(self, text, choices, option, default=NoDefault,
tip=None, restart=False, section=None):
"""choices: couples (name, key)"""
if section is not None and section != self.CONF_SECTION:
self.cross_section_options[option] = section
label = QLabel(text)
combobox = QComboBox()
if tip is not None:
combobox.setToolTip(tip)
for name, key in choices:
if not (name is None and key is None):
combobox.addItem(name, to_qvariant(key))
# Insert separators
count = 0
for index, item in enumerate(choices):
name, key = item
if name is None and key is None:
combobox.insertSeparator(index + count)
count += 1
self.comboboxes[combobox] = (section, option, default)
layout = QHBoxLayout()
layout.addWidget(label)
layout.addWidget(combobox)
layout.addStretch(1)
layout.setContentsMargins(0, 0, 0, 0)
widget = QWidget(self)
widget.label = label
widget.combobox = combobox
widget.setLayout(layout)
combobox.restart_required = restart
combobox.label_text = text
return widget
def create_file_combobox(self, text, choices, option, default=NoDefault,
tip=None, restart=False, filters=None,
adjust_to_contents=False,
default_line_edit=False, section=None,
validate_callback=None):
"""choices: couples (name, key)"""
if section is not None and section != self.CONF_SECTION:
self.cross_section_options[option] = section
combobox = FileComboBox(self, adjust_to_contents=adjust_to_contents,
default_line_edit=default_line_edit)
combobox.restart_required = restart
combobox.label_text = text
edit = combobox.lineEdit()
edit.label_text = text
edit.restart_required = restart
self.lineedits[edit] = (section, option, default)
if tip is not None:
combobox.setToolTip(tip)
combobox.addItems(choices)
combobox.choices = choices
msg = _('Invalid file path')
self.validate_data[edit] = (
validate_callback if validate_callback else osp.isfile,
msg)
browse_btn = QPushButton(ima.icon('FileIcon'), '', self)
browse_btn.setToolTip(_("Select file"))
browse_btn.clicked.connect(lambda: self.select_file(edit, filters))
layout = QGridLayout()
layout.addWidget(combobox, 0, 0, 0, 9)
layout.addWidget(browse_btn, 0, 10)
layout.setContentsMargins(0, 0, 0, 0)
widget = QWidget(self)
widget.combobox = combobox
widget.browse_btn = browse_btn
widget.setLayout(layout)
return widget
def create_fontgroup(self, option=None, text=None, title=None,
tip=None, fontfilters=None, without_group=False):
"""Option=None -> setting plugin font"""
if title:
fontlabel = QLabel(title)
else:
fontlabel = QLabel(_("Font"))
fontbox = QFontComboBox()
if fontfilters is not None:
fontbox.setFontFilters(fontfilters)
sizelabel = QLabel(" "+_("Size"))
sizebox = QSpinBox()
sizebox.setRange(7, 100)
self.fontboxes[(fontbox, sizebox)] = option
layout = QHBoxLayout()
for subwidget in (fontlabel, fontbox, sizelabel, sizebox):
layout.addWidget(subwidget)
layout.addStretch(1)
widget = QWidget(self)
widget.fontlabel = fontlabel
widget.sizelabel = sizelabel
widget.fontbox = fontbox
widget.sizebox = sizebox
widget.setLayout(layout)
if not without_group:
if text is None:
text = _("Font style")
group = QGroupBox(text)
group.setLayout(layout)
if tip is not None:
group.setToolTip(tip)
return group
else:
return widget
def create_button(self, text, callback):
btn = QPushButton(text)
btn.clicked.connect(callback)
btn.clicked.connect(
lambda checked=False, opt='': self.has_been_modified(opt))
return btn
def create_tab(self, *widgets):
"""Create simple tab widget page: widgets added in a vertical layout"""
widget = QWidget()
layout = QVBoxLayout()
for widg in widgets:
layout.addWidget(widg)
layout.addStretch(1)
widget.setLayout(layout)
return widget
def prompt_restart_required(self):
"""Prompt the user with a request to restart."""
restart_opts = self.restart_options
changed_opts = self.changed_options
options = [restart_opts[o] for o in changed_opts if o in restart_opts]
if len(options) == 1:
msg_start = _("Spyder needs to restart to change the following "
"setting:")
else:
msg_start = _("Spyder needs to restart to change the following "
"settings:")
msg_end = _("Do you wish to restart now?")
msg_options = u""
for option in options:
msg_options += u"{0}".format(option)
msg_title = _("Information")
msg = u"{0}
{2}".format(msg_start, msg_options, msg_end)
answer = QMessageBox.information(self, msg_title, msg,
QMessageBox.Yes | QMessageBox.No)
if answer == QMessageBox.Yes:
self.main.application.sig_restart_requested.emit()
def add_tab(self, Widget):
widget = Widget(self)
if self.tabs is None:
# In case a preference page does not have any tabs, we need to
# add a tab with the widgets that already exist and then add the
# new tab.
self.tabs = QTabWidget()
layout = self.layout()
main_widget = QWidget()
main_widget.setLayout(layout)
self.tabs.addTab(self.create_tab(main_widget),
_('General'))
self.tabs.addTab(self.create_tab(widget),
Widget.TITLE)
vlayout = QVBoxLayout()
vlayout.addWidget(self.tabs)
self.setLayout(vlayout)
else:
self.tabs.addTab(self.create_tab(widget),
Widget.TITLE)
self.load_from_conf()
class GeneralConfigPage(SpyderConfigPage):
"""Config page that maintains reference to main Spyder window
and allows to specify page name and icon declaratively
"""
CONF_SECTION = None
NAME = None # configuration page name, e.g. _("General")
ICON = None # name of icon resource (24x24)
def __init__(self, parent, main):
SpyderConfigPage.__init__(self, parent)
self.main = main
def get_name(self):
"""Configuration page name"""
return self.NAME
def get_icon(self):
"""Loads page icon named by self.ICON"""
return self.ICON
def apply_settings(self, options):
raise NotImplementedError
class PreferencePages:
General = 'main'