# -*- coding: utf-8 -*- # # Copyright © Spyder Project Contributors # Licensed under the terms of the MIT License # (see spyder/__init__.py for details) """ Configuration dialog / Preferences. """ # Standard library imports import os.path as osp import traceback # 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 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, QStyleFactory, QTabWidget, QVBoxLayout, QWidget, QApplication) # Local imports from spyder.config.base import (_, LANGUAGE_CODES, load_lang_conf, running_in_mac_app, save_lang_conf) from spyder.config.gui import get_font, set_font from spyder.config.main import CONF from spyder.config.user import NoDefault from spyder.config.utils import is_gtk_desktop from spyder.py3compat import to_text_string, is_text_string from spyder.utils import icon_manager as ima from spyder.utils import syntaxhighlighters from spyder.utils.misc import getcwd_or_home from spyder.widgets.colors import ColorLayout from spyder.widgets.comboboxes import FileComboBox from spyder.widgets.sourcecode.codeeditor import CodeEditor HDPI_QT_PAGE = "https://doc.qt.io/qt-5/highdpi.html" class ConfigAccessMixin(object): """Namespace for methods that access config storage""" CONF_SECTION = None def set_option(self, option, value): CONF.set(self.CONF_SECTION, option, value) def get_option(self, option, default=NoDefault): return CONF.get(self.CONF_SECTION, option, default) 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 ConfigDialog(QDialog): """Spyder configuration ('Preferences') dialog box""" # Signals check_settings = Signal() size_change = Signal(QSize) def __init__(self, parent=None): QDialog.__init__(self, parent) self.main = parent # Widgets self.pages_widget = QStackedWidget() self.contents_widget = QListWidget() self.button_reset = QPushButton(_('Reset to defaults')) bbox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Apply | QDialogButtonBox.Cancel) self.apply_btn = bbox.button(QDialogButtonBox.Apply) # Widgets setup # Destroying the C++ object right after closing the dialog box, # otherwise it may be garbage-collected in another QThread # (e.g. the editor's analysis thread in Spyder), thus leading to # a segmentation fault on UNIX or an application crash on Windows self.setAttribute(Qt.WA_DeleteOnClose) self.setWindowTitle(_('Preferences')) self.setWindowIcon(ima.icon('configure')) self.contents_widget.setMovement(QListView.Static) self.contents_widget.setSpacing(1) self.contents_widget.setCurrentRow(0) # Layout hsplitter = QSplitter() hsplitter.addWidget(self.contents_widget) hsplitter.addWidget(self.pages_widget) btnlayout = QHBoxLayout() btnlayout.addWidget(self.button_reset) btnlayout.addStretch(1) btnlayout.addWidget(bbox) vlayout = QVBoxLayout() vlayout.addWidget(hsplitter) vlayout.addLayout(btnlayout) self.setLayout(vlayout) # Signals and slots if self.main: self.button_reset.clicked.connect(self.main.reset_spyder) self.pages_widget.currentChanged.connect(self.current_page_changed) self.contents_widget.currentRowChanged.connect( self.pages_widget.setCurrentIndex) bbox.accepted.connect(self.accept) bbox.rejected.connect(self.reject) bbox.clicked.connect(self.button_clicked) # Ensures that the config is present on spyder first run CONF.set('main', 'interface_language', load_lang_conf()) def get_current_index(self): """Return current page index""" return self.contents_widget.currentRow() def set_current_index(self, index): """Set current page index""" self.contents_widget.setCurrentRow(index) def get_page(self, index=None): """Return page widget""" if index is None: widget = self.pages_widget.currentWidget() else: widget = self.pages_widget.widget(index) return widget.widget() @Slot() def accept(self): """Reimplement Qt method""" for index in range(self.pages_widget.count()): configpage = self.get_page(index) if not configpage.is_valid(): return configpage.apply_changes() QDialog.accept(self) def button_clicked(self, button): if button is self.apply_btn: # Apply button was clicked configpage = self.get_page() if not configpage.is_valid(): return configpage.apply_changes() def current_page_changed(self, index): widget = self.get_page(index) self.apply_btn.setVisible(widget.apply_callback is not None) self.apply_btn.setEnabled(widget.is_modified) def add_page(self, widget): self.check_settings.connect(widget.check_settings) widget.show_this_page.connect(lambda row=self.contents_widget.count(): self.contents_widget.setCurrentRow(row)) widget.apply_button_enabled.connect(self.apply_btn.setEnabled) scrollarea = QScrollArea(self) scrollarea.setWidgetResizable(True) scrollarea.setWidget(widget) self.pages_widget.addWidget(scrollarea) item = QListWidgetItem(self.contents_widget) try: item.setIcon(widget.get_icon()) except TypeError: pass item.setText(widget.get_name()) item.setFlags(Qt.ItemIsSelectable|Qt.ItemIsEnabled) item.setSizeHint(QSize(0, 25)) def check_all_settings(self): """This method is called to check all configuration page settings after configuration dialog has been shown""" self.check_settings.emit() def resizeEvent(self, event): """ Reimplement Qt method to be able to save the widget's size from the main application """ QDialog.resizeEvent(self, event) self.size_change.emit(self.size()) 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(self.changed_options)) self.checkboxes = {} self.radiobuttons = {} self.lineedits = {} self.validate_data = {} self.spinboxes = {} self.comboboxes = {} self.fontboxes = {} self.coloredits = {} self.scedits = {} self.changed_options = set() self.restart_options = dict() # Dict to store name and localized text self.default_button_group = None 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""" 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 return True def load_from_conf(self): """Load settings from configuration file""" for checkbox, (option, default) in list(self.checkboxes.items()): checkbox.setChecked(self.get_option(option, default)) # QAbstractButton works differently for PySide and PyQt if not API == 'pyside': checkbox.clicked.connect(lambda _foo, opt=option: self.has_been_modified(opt)) else: checkbox.clicked.connect(lambda opt=option: self.has_been_modified(opt)) for radiobutton, (option, default) in list(self.radiobuttons.items()): radiobutton.setChecked(self.get_option(option, default)) 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, (option, default) in list(self.lineedits.items()): lineedit.setText(self.get_option(option, default)) lineedit.textChanged.connect(lambda _foo, opt=option: self.has_been_modified(opt)) if lineedit.restart_required: self.restart_options[option] = lineedit.label_text for spinbox, (option, default) in list(self.spinboxes.items()): spinbox.setValue(self.get_option(option, default)) spinbox.valueChanged.connect(lambda _foo, opt=option: self.has_been_modified(opt)) for combobox, (option, default) in list(self.comboboxes.items()): value = self.get_option(option, default) 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()): font = self.get_font(option) 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, (option, default) in list(self.coloredits.items()): property = to_qvariant(option) edit = clayout.lineedit btn = clayout.colorbtn edit.setText(self.get_option(option, default)) # 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 ), (option, default) in list(self.scedits.items()): edit = clayout.lineedit btn = clayout.colorbtn color, bold, italic = self.get_option(option, default) 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, (option, _default) in list(self.checkboxes.items()): self.set_option(option, checkbox.isChecked()) for radiobutton, (option, _default) in list(self.radiobuttons.items()): self.set_option(option, radiobutton.isChecked()) for lineedit, (option, _default) in list(self.lineedits.items()): self.set_option(option, to_text_string(lineedit.text())) for spinbox, (option, _default) in list(self.spinboxes.items()): self.set_option(option, spinbox.value()) for combobox, (option, _default) in list(self.comboboxes.items()): data = combobox.itemData(combobox.currentIndex()) self.set_option(option, from_qvariant(data, to_text_string)) for (fontbox, sizebox), option in list(self.fontboxes.items()): font = fontbox.currentFont() font.setPointSize(sizebox.value()) self.set_font(font, option) for clayout, (option, _default) in list(self.coloredits.items()): self.set_option(option, to_text_string(clayout.lineedit.text())) for (clayout, cb_bold, cb_italic), (option, _default) in list(self.scedits.items()): color = to_text_string(clayout.lineedit.text()) bold = cb_bold.isChecked() italic = cb_italic.isChecked() self.set_option(option, (color, bold, italic)) @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): checkbox = QCheckBox(text) if tip is not None: checkbox.setToolTip(tip) self.checkboxes[checkbox] = (option, default) 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): radiobutton = QRadioButton(text) 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] = (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): label = QLabel(text) label.setWordWrap(True) edit = QLineEdit() 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))) self.lineedits[edit] = (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): widget = self.create_lineedit(text, option, default, 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): widget = self.create_lineedit(text, option, default, 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): 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] = (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): label = QLabel(text) clayout = ColorLayout(QColor(Qt.black), self) clayout.lineedit.setMaximumWidth(80) if tip is not None: clayout.setToolTip(tip) self.coloredits[clayout] = (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): 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)] = (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): """choices: couples (name, key)""" 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] = (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): """choices: couples (name, key)""" 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] = (option, default) if tip is not None: combobox.setToolTip(tip) combobox.addItems(choices) 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 = 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 class PluginConfigPage(SpyderConfigPage): """Plugin configuration dialog box page widget""" def __init__(self, plugin, parent): self.plugin = plugin self.get_option = plugin.get_option self.set_option = plugin.set_option self.get_font = plugin.get_plugin_font self.apply_settings = plugin.apply_plugin_settings SpyderConfigPage.__init__(self, parent) def get_name(self): return self.plugin.get_plugin_title() def get_icon(self): return self.plugin.get_plugin_icon() 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 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.restart() def restart(self): """Restart Spyder.""" self.main.restart() class MainConfigPage(GeneralConfigPage): CONF_SECTION = "main" NAME = _("General") def setup_page(self): self.ICON = ima.icon('genprefs') newcb = self.create_checkbox # --- Interface general_group = QGroupBox(_("General")) languages = LANGUAGE_CODES.items() language_choices = sorted([(val, key) for key, val in languages]) language_combo = self.create_combobox(_('Language:'), language_choices, 'interface_language', restart=True) opengl_options = ['Automatic', 'Desktop', 'Software', 'GLES'] opengl_choices = list(zip(opengl_options, [c.lower() for c in opengl_options])) opengl_combo = self.create_combobox(_('Rendering engine:'), opengl_choices, 'opengl', restart=True) single_instance_box = newcb(_("Use a single instance"), 'single_instance', tip=_("Set this to open external
    " "Python files in an already running " "instance (Requires a restart)")) prompt_box = newcb(_("Prompt when exiting"), 'prompt_on_exit') popup_console_box = newcb(_("Show internal Spyder errors to report " "them to Github"), 'show_internal_errors') check_updates = newcb(_("Check for updates on startup"), 'check_updates_on_startup') # Decide if it's possible to activate or not single instance mode if running_in_mac_app(): self.set_option("single_instance", True) single_instance_box.setEnabled(False) comboboxes_advanced_layout = QHBoxLayout() cbs_adv_grid = QGridLayout() cbs_adv_grid.addWidget(language_combo.label, 0, 0) cbs_adv_grid.addWidget(language_combo.combobox, 0, 1) cbs_adv_grid.addWidget(opengl_combo.label, 1, 0) cbs_adv_grid.addWidget(opengl_combo.combobox, 1, 1) comboboxes_advanced_layout.addLayout(cbs_adv_grid) comboboxes_advanced_layout.addStretch(1) general_layout = QVBoxLayout() general_layout.addLayout(comboboxes_advanced_layout) general_layout.addWidget(single_instance_box) general_layout.addWidget(prompt_box) general_layout.addWidget(popup_console_box) general_layout.addWidget(check_updates) general_group.setLayout(general_layout) # --- Theme interface_group = QGroupBox(_("Interface")) styles = [str(txt) for txt in list(QStyleFactory.keys())] # Don't offer users the possibility to change to a different # style in Gtk-based desktops # Fixes Issue 2036 if is_gtk_desktop() and ('GTK+' in styles): styles = ['GTK+'] choices = list(zip(styles, [style.lower() for style in styles])) style_combo = self.create_combobox(_('Qt windows style'), choices, 'windows_style', default=self.main.default_style) themes = ['Spyder 2', 'Spyder 3'] icon_choices = list(zip(themes, [theme.lower() for theme in themes])) icons_combo = self.create_combobox(_('Icon theme'), icon_choices, 'icon_theme', restart=True) vertdock_box = newcb(_("Vertical title bars in panes"), 'vertical_dockwidget_titlebars') verttabs_box = newcb(_("Vertical tabs in panes"), 'vertical_tabs') animated_box = newcb(_("Animated toolbars and panes"), 'animated_docks') tear_off_box = newcb(_("Tear off menus"), 'tear_off_menus', tip=_("Set this to detach any
    " "menu from the main window")) margin_box = newcb(_("Custom margin for panes:"), 'use_custom_margin') margin_spin = self.create_spinbox("", _("pixels"), 'custom_margin', 0, 0, 30) margin_box.toggled.connect(margin_spin.spinbox.setEnabled) margin_box.toggled.connect(margin_spin.slabel.setEnabled) margin_spin.spinbox.setEnabled(self.get_option('use_custom_margin')) margin_spin.slabel.setEnabled(self.get_option('use_custom_margin')) cursor_box = newcb(_("Cursor blinking:"), 'use_custom_cursor_blinking') cursor_spin = self.create_spinbox("", _("ms"), 'custom_cursor_blinking', default = QApplication.cursorFlashTime(), min_=0, max_=5000, step=100) cursor_box.toggled.connect(cursor_spin.spinbox.setEnabled) cursor_box.toggled.connect(cursor_spin.slabel.setEnabled) cursor_spin.spinbox.setEnabled( self.get_option('use_custom_cursor_blinking')) cursor_spin.slabel.setEnabled( self.get_option('use_custom_cursor_blinking')) margins_cursor_layout = QGridLayout() margins_cursor_layout.addWidget(margin_box, 0, 0) margins_cursor_layout.addWidget(margin_spin.spinbox, 0, 1) margins_cursor_layout.addWidget(margin_spin.slabel, 0, 2) margins_cursor_layout.addWidget(cursor_box, 1, 0) margins_cursor_layout.addWidget(cursor_spin.spinbox, 1, 1) margins_cursor_layout.addWidget(cursor_spin.slabel, 1, 2) margins_cursor_layout.setColumnStretch(2, 100) # Layout interface comboboxes_layout = QHBoxLayout() cbs_layout = QGridLayout() cbs_layout.addWidget(style_combo.label, 0, 0) cbs_layout.addWidget(style_combo.combobox, 0, 1) cbs_layout.addWidget(icons_combo.label, 1, 0) cbs_layout.addWidget(icons_combo.combobox, 1, 1) comboboxes_layout.addLayout(cbs_layout) comboboxes_layout.addStretch(1) interface_layout = QVBoxLayout() interface_layout.addLayout(comboboxes_layout) interface_layout.addWidget(vertdock_box) interface_layout.addWidget(verttabs_box) interface_layout.addWidget(animated_box) interface_layout.addWidget(tear_off_box) interface_layout.addLayout(margins_cursor_layout) interface_group.setLayout(interface_layout) # --- Status bar sbar_group = QGroupBox(_("Status bar")) show_status_bar = newcb(_("Show status bar"), 'show_status_bar') memory_box = newcb(_("Show memory usage every"), 'memory_usage/enable', tip=self.main.mem_status.toolTip()) memory_spin = self.create_spinbox("", _(" ms"), 'memory_usage/timeout', min_=100, max_=1000000, step=100) memory_box.toggled.connect(memory_spin.setEnabled) memory_spin.setEnabled(self.get_option('memory_usage/enable')) memory_box.setEnabled(self.main.mem_status.is_supported()) memory_spin.setEnabled(self.main.mem_status.is_supported()) cpu_box = newcb(_("Show CPU usage every"), 'cpu_usage/enable', tip=self.main.cpu_status.toolTip()) cpu_spin = self.create_spinbox("", _(" ms"), 'cpu_usage/timeout', min_=100, max_=1000000, step=100) cpu_box.toggled.connect(cpu_spin.setEnabled) cpu_spin.setEnabled(self.get_option('cpu_usage/enable')) cpu_box.setEnabled(self.main.cpu_status.is_supported()) cpu_spin.setEnabled(self.main.cpu_status.is_supported()) status_bar_o = self.get_option('show_status_bar') show_status_bar.toggled.connect(memory_box.setEnabled) show_status_bar.toggled.connect(memory_spin.setEnabled) show_status_bar.toggled.connect(cpu_box.setEnabled) show_status_bar.toggled.connect(cpu_spin.setEnabled) memory_box.setEnabled(status_bar_o) memory_spin.setEnabled(status_bar_o) cpu_box.setEnabled(status_bar_o) cpu_spin.setEnabled(status_bar_o) # Layout status bar cpu_memory_layout = QGridLayout() cpu_memory_layout.addWidget(memory_box, 0, 0) cpu_memory_layout.addWidget(memory_spin, 0, 1) cpu_memory_layout.addWidget(cpu_box, 1, 0) cpu_memory_layout.addWidget(cpu_spin, 1, 1) sbar_layout = QVBoxLayout() sbar_layout.addWidget(show_status_bar) sbar_layout.addLayout(cpu_memory_layout) sbar_group.setLayout(sbar_layout) # --- Screen resolution Group (hidpi) screen_resolution_group = QGroupBox(_("Screen resolution")) screen_resolution_bg = QButtonGroup(screen_resolution_group) screen_resolution_label = QLabel(_("Configuration for high DPI " "screens

    " "Please see " "{0}<> " "for more information about " "these options (in " "English).").format(HDPI_QT_PAGE)) screen_resolution_label.setWordWrap(True) normal_radio = self.create_radiobutton( _("Normal"), 'normal_screen_resolution', button_group=screen_resolution_bg) auto_scale_radio = self.create_radiobutton( _("Enable auto high DPI scaling"), 'high_dpi_scaling', button_group=screen_resolution_bg, tip=_("Set this for high DPI displays"), restart=True) custom_scaling_radio = self.create_radiobutton( _("Set a custom high DPI scaling"), 'high_dpi_custom_scale_factor', button_group=screen_resolution_bg, tip=_("Set this for high DPI displays when " "auto scaling does not work"), restart=True) custom_scaling_edit = self.create_lineedit("", 'high_dpi_custom_scale_factors', tip=_("Enter values for different screens " "separated by semicolons ';', " "float values are supported"), alignment=Qt.Horizontal, regex="[0-9]+(?:\.[0-9]*)(;[0-9]+(?:\.[0-9]*))*", restart=True) normal_radio.toggled.connect(custom_scaling_edit.setDisabled) auto_scale_radio.toggled.connect(custom_scaling_edit.setDisabled) custom_scaling_radio.toggled.connect(custom_scaling_edit.setEnabled) # Layout Screen resolution screen_resolution_layout = QVBoxLayout() screen_resolution_layout.addWidget(screen_resolution_label) screen_resolution_inner_layout = QGridLayout() screen_resolution_inner_layout.addWidget(normal_radio, 0, 0) screen_resolution_inner_layout.addWidget(auto_scale_radio, 1, 0) screen_resolution_inner_layout.addWidget(custom_scaling_radio, 2, 0) screen_resolution_inner_layout.addWidget(custom_scaling_edit, 2, 1) screen_resolution_layout.addLayout(screen_resolution_inner_layout) screen_resolution_group.setLayout(screen_resolution_layout) # --- Theme and fonts plain_text_font = self.create_fontgroup( option='font', title=_("Plain text font"), fontfilters=QFontComboBox.MonospacedFonts, without_group=True) rich_text_font = self.create_fontgroup( option='rich_font', title=_("Rich text font"), without_group=True) fonts_group = QGroupBox(_("Fonts")) fonts_layout = QGridLayout() fonts_layout.addWidget(plain_text_font.fontlabel, 0, 0) fonts_layout.addWidget(plain_text_font.fontbox, 0, 1) fonts_layout.addWidget(plain_text_font.sizelabel, 0, 2) fonts_layout.addWidget(plain_text_font.sizebox, 0, 3) fonts_layout.addWidget(rich_text_font.fontlabel, 1, 0) fonts_layout.addWidget(rich_text_font.fontbox, 1, 1) fonts_layout.addWidget(rich_text_font.sizelabel, 1, 2) fonts_layout.addWidget(rich_text_font.sizebox, 1, 3) fonts_group.setLayout(fonts_layout) tabs = QTabWidget() tabs.addTab(self.create_tab(fonts_group, screen_resolution_group, interface_group), _("Appearance")) tabs.addTab(self.create_tab(general_group, sbar_group), _("Advanced Settings")) vlayout = QVBoxLayout() vlayout.addWidget(tabs) self.setLayout(vlayout) def get_font(self, option): """Return global font used in Spyder.""" return get_font(option=option) def set_font(self, font, option): """Set global font used in Spyder.""" # Update fonts in all plugins set_font(font, option=option) plugins = self.main.widgetlist + self.main.thirdparty_plugins for plugin in plugins: plugin.update_font() def apply_settings(self, options): self.main.apply_settings() def _save_lang(self): """ Get selected language setting and save to language configuration file. """ for combobox, (option, _default) in list(self.comboboxes.items()): if option == 'interface_language': data = combobox.itemData(combobox.currentIndex()) value = from_qvariant(data, to_text_string) break try: save_lang_conf(value) self.set_option('interface_language', value) except Exception: QMessageBox.critical(self, _("Error"), _("We're sorry but the following error occurred while trying " "to set your selected language:

    " "{}").format(traceback.format_exc()), QMessageBox.Ok) return class ColorSchemeConfigPage(GeneralConfigPage): CONF_SECTION = "color_schemes" NAME = _("Syntax coloring") def setup_page(self): self.ICON = ima.icon('eyedropper') names = self.get_option("names") try: names.pop(names.index(u'Custom')) except ValueError: pass custom_names = self.get_option("custom_names", []) # Widgets about_label = QLabel(_("Here you can select the color scheme used in " "the Editor and all other Spyder plugins.

    " "You can also edit the color schemes provided " "by Spyder or create your own ones by using " "the options provided below.
    ")) edit_button = QPushButton(_("Edit selected")) create_button = QPushButton(_("Create new scheme")) self.delete_button = QPushButton(_("Delete")) self.preview_editor = CodeEditor(self) self.stacked_widget = QStackedWidget(self) self.reset_button = QPushButton(_("Reset")) self.scheme_editor_dialog = SchemeEditor(parent=self, stack=self.stacked_widget) # Widget setup self.scheme_choices_dict = {} about_label.setWordWrap(True) schemes_combobox_widget = self.create_combobox(_('Scheme:'), [('', '')], 'selected') self.schemes_combobox = schemes_combobox_widget.combobox # Layouts vlayout = QVBoxLayout() manage_layout = QVBoxLayout() manage_layout.addWidget(about_label) combo_layout = QHBoxLayout() combo_layout.addWidget(schemes_combobox_widget.label) combo_layout.addWidget(schemes_combobox_widget.combobox) buttons_layout = QVBoxLayout() buttons_layout.addLayout(combo_layout) buttons_layout.addWidget(edit_button) buttons_layout.addWidget(self.reset_button) buttons_layout.addWidget(self.delete_button) buttons_layout.addStretch(1) buttons_layout.addWidget(create_button) preview_layout = QVBoxLayout() preview_layout.addWidget(self.preview_editor) buttons_preview_layout = QHBoxLayout() buttons_preview_layout.addLayout(buttons_layout) buttons_preview_layout.addLayout(preview_layout) manage_layout.addLayout(buttons_preview_layout) manage_group = QGroupBox(_("Manage color schemes")) manage_group.setLayout(manage_layout) vlayout.addWidget(manage_group) self.setLayout(vlayout) # Signals and slots create_button.clicked.connect(self.create_new_scheme) edit_button.clicked.connect(self.edit_scheme) self.reset_button.clicked.connect(self.reset_to_default) self.delete_button.clicked.connect(self.delete_scheme) self.schemes_combobox.currentIndexChanged.connect(self.update_preview) self.schemes_combobox.currentIndexChanged.connect(self.update_buttons) # Setup for name in names: self.scheme_editor_dialog.add_color_scheme_stack(name) for name in custom_names: self.scheme_editor_dialog.add_color_scheme_stack(name, custom=True) self.update_combobox() self.update_preview() def apply_settings(self, options): self.set_option('selected', self.current_scheme) self.main.editor.apply_plugin_settings(['color_scheme_name']) if self.main.ipyconsole is not None: self.main.ipyconsole.apply_plugin_settings(['color_scheme_name']) if self.main.historylog is not None: self.main.historylog.apply_plugin_settings(['color_scheme_name']) if self.main.help is not None: self.main.help.apply_plugin_settings(['color_scheme_name']) self.update_combobox() self.update_preview() # Helpers # ------------------------------------------------------------------------- @property def current_scheme_name(self): return self.schemes_combobox.currentText() @property def current_scheme(self): return self.scheme_choices_dict[self.current_scheme_name] @property def current_scheme_index(self): return self.schemes_combobox.currentIndex() def update_combobox(self): """Recreates the combobox contents.""" index = self.current_scheme_index self.schemes_combobox.blockSignals(True) names = self.get_option("names") try: names.pop(names.index(u'Custom')) except ValueError: pass custom_names = self.get_option("custom_names", []) # Useful for retrieving the actual data for n in names + custom_names: self.scheme_choices_dict[self.get_option('{0}/name'.format(n))] = n if custom_names: choices = names + [None] + custom_names else: choices = names combobox = self.schemes_combobox combobox.clear() for name in choices: if name is None: continue combobox.addItem(self.get_option('{0}/name'.format(name)), name) if custom_names: combobox.insertSeparator(len(names)) self.schemes_combobox.blockSignals(False) self.schemes_combobox.setCurrentIndex(index) def update_buttons(self): """Updates the enable status of delete and reset buttons.""" current_scheme = self.current_scheme names = self.get_option("names") try: names.pop(names.index(u'Custom')) except ValueError: pass delete_enabled = current_scheme not in names self.delete_button.setEnabled(delete_enabled) self.reset_button.setEnabled(not delete_enabled) def update_preview(self, index=None, scheme_name=None): """ Update the color scheme of the preview editor and adds text. Note ---- 'index' is needed, because this is triggered by a signal that sends the selected index. """ text = ('"""A string"""\n\n' '# A comment\n\n' '# %% A cell\n\n' 'class Foo(object):\n' ' def __init__(self):\n' ' bar = 42\n' ' print(bar)\n' ) show_blanks = CONF.get('editor', 'blank_spaces') if scheme_name is None: scheme_name = self.current_scheme self.preview_editor.setup_editor(linenumbers=True, markers=True, tab_mode=False, font=get_font(), show_blanks=show_blanks, color_scheme=scheme_name) self.preview_editor.set_text(text) self.preview_editor.set_language('Python') # Actions # ------------------------------------------------------------------------- def create_new_scheme(self): """Creates a new color scheme with a custom name.""" names = self.get_option('names') custom_names = self.get_option('custom_names', []) # Get the available number this new color scheme counter = len(custom_names) - 1 custom_index = [int(n.split('-')[-1]) for n in custom_names] for i in range(len(custom_names)): if custom_index[i] != i: counter = i - 1 break custom_name = "custom-{0}".format(counter+1) # Add the config settings, based on the current one. custom_names.append(custom_name) self.set_option('custom_names', custom_names) for key in syntaxhighlighters.COLOR_SCHEME_KEYS: name = "{0}/{1}".format(custom_name, key) default_name = "{0}/{1}".format(self.current_scheme, key) option = self.get_option(default_name) self.set_option(name, option) self.set_option('{0}/name'.format(custom_name), custom_name) # Now they need to be loaded! how to make a partial load_from_conf? dlg = self.scheme_editor_dialog dlg.add_color_scheme_stack(custom_name, custom=True) dlg.set_scheme(custom_name) self.load_from_conf() if dlg.exec_(): # This is needed to have the custom name updated on the combobox name = dlg.get_scheme_name() self.set_option('{0}/name'.format(custom_name), name) # The +1 is needed because of the separator in the combobox index = (names + custom_names).index(custom_name) + 1 self.update_combobox() self.schemes_combobox.setCurrentIndex(index) else: # Delete the config .... custom_names.remove(custom_name) self.set_option('custom_names', custom_names) dlg.delete_color_scheme_stack(custom_name) def edit_scheme(self): """Edit current scheme.""" dlg = self.scheme_editor_dialog dlg.set_scheme(self.current_scheme) if dlg.exec_(): # Update temp scheme to reflect instant edits on the preview temporal_color_scheme = dlg.get_edited_color_scheme() for key in temporal_color_scheme: option = "temp/{0}".format(key) value = temporal_color_scheme[key] self.set_option(option, value) self.update_preview(scheme_name='temp') def delete_scheme(self): """Deletes the currently selected custom color scheme.""" scheme_name = self.current_scheme answer = QMessageBox.warning(self, _("Warning"), _("Are you sure you want to delete " "this scheme?"), QMessageBox.Yes | QMessageBox.No) if answer == QMessageBox.Yes: # Put the combobox in Spyder by default, when deleting a scheme names = self.get_option('names') self.set_scheme('spyder') self.schemes_combobox.setCurrentIndex(names.index('spyder')) self.set_option('selected', 'spyder') # Delete from custom_names custom_names = self.get_option('custom_names', []) if scheme_name in custom_names: custom_names.remove(scheme_name) self.set_option('custom_names', custom_names) # Delete config options for key in syntaxhighlighters.COLOR_SCHEME_KEYS: option = "{0}/{1}".format(scheme_name, key) CONF.remove_option(self.CONF_SECTION, option) CONF.remove_option(self.CONF_SECTION, "{0}/name".format(scheme_name)) self.update_combobox() self.update_preview() def set_scheme(self, scheme_name): """ Set the current stack in the dialog to the scheme with 'scheme_name'. """ dlg = self.scheme_editor_dialog dlg.set_scheme(scheme_name) @Slot() def reset_to_default(self): """Restore initial values for default color schemes.""" # Checks that this is indeed a default scheme scheme = self.current_scheme names = self.get_option('names') if scheme in names: for key in syntaxhighlighters.COLOR_SCHEME_KEYS: option = "{0}/{1}".format(scheme, key) value = CONF.get_default(self.CONF_SECTION, option) self.set_option(option, value) self.load_from_conf() class SchemeEditor(QDialog): """A color scheme editor dialog.""" def __init__(self, parent=None, stack=None): super(SchemeEditor, self).__init__(parent) self.parent = parent self.stack = stack self.order = [] # Uses scheme names # Needed for self.get_edited_color_scheme() self.widgets = {} self.scheme_name_textbox = {} self.last_edited_color_scheme = None self.last_used_scheme = None # Widgets bbox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel) # Layout layout = QVBoxLayout() layout.addWidget(self.stack) layout.addWidget(bbox) self.setLayout(layout) # Signals bbox.accepted.connect(self.accept) bbox.accepted.connect(self.get_edited_color_scheme) bbox.rejected.connect(self.reject) # Helpers # ------------------------------------------------------------------------- def set_scheme(self, scheme_name): """Set the current stack by 'scheme_name'.""" self.stack.setCurrentIndex(self.order.index(scheme_name)) self.last_used_scheme = scheme_name def get_scheme_name(self): """ Returns the edited scheme name, needed to update the combobox on scheme creation. """ return self.scheme_name_textbox[self.last_used_scheme].text() def get_edited_color_scheme(self): """ Get the values of the last edited color scheme to be used in an instant preview in the preview editor, without using `apply`. """ color_scheme = {} scheme_name = self.last_used_scheme for key in self.widgets[scheme_name]: items = self.widgets[scheme_name][key] if len(items) == 1: # ColorLayout value = items[0].text() else: # ColorLayout + checkboxes value = (items[0].text(), items[1].isChecked(), items[2].isChecked()) color_scheme[key] = value return color_scheme # Actions # ------------------------------------------------------------------------- def add_color_scheme_stack(self, scheme_name, custom=False): """Add a stack for a given scheme and connects the CONF values.""" color_scheme_groups = [ (_('Text'), ["normal", "comment", "string", "number", "keyword", "builtin", "definition", "instance", ]), (_('Highlight'), ["currentcell", "currentline", "occurrence", "matched_p", "unmatched_p", "ctrlclick"]), (_('Background'), ["background", "sideareas"]) ] parent = self.parent line_edit = parent.create_lineedit(_("Scheme name:"), '{0}/name'.format(scheme_name)) self.widgets[scheme_name] = {} # Widget setup line_edit.label.setAlignment(Qt.AlignRight | Qt.AlignVCenter) self.setWindowTitle(_('Color scheme editor')) # Layout name_layout = QHBoxLayout() name_layout.addWidget(line_edit.label) name_layout.addWidget(line_edit.textbox) self.scheme_name_textbox[scheme_name] = line_edit.textbox if not custom: line_edit.textbox.setDisabled(True) cs_layout = QVBoxLayout() cs_layout.addLayout(name_layout) h_layout = QHBoxLayout() v_layout = QVBoxLayout() for index, item in enumerate(color_scheme_groups): group_name, keys = item group_layout = QGridLayout() for row, key in enumerate(keys): option = "{0}/{1}".format(scheme_name, key) value = self.parent.get_option(option) name = syntaxhighlighters.COLOR_SCHEME_KEYS[key] if is_text_string(value): label, clayout = parent.create_coloredit( name, option, without_layout=True, ) label.setAlignment(Qt.AlignRight | Qt.AlignVCenter) group_layout.addWidget(label, row+1, 0) group_layout.addLayout(clayout, row+1, 1) # Needed to update temp scheme to obtain instant preview self.widgets[scheme_name][key] = [clayout] else: label, clayout, cb_bold, cb_italic = parent.create_scedit( name, option, without_layout=True, ) label.setAlignment(Qt.AlignRight | Qt.AlignVCenter) group_layout.addWidget(label, row+1, 0) group_layout.addLayout(clayout, row+1, 1) group_layout.addWidget(cb_bold, row+1, 2) group_layout.addWidget(cb_italic, row+1, 3) # Needed to update temp scheme to obtain instant preview self.widgets[scheme_name][key] = [clayout, cb_bold, cb_italic] group_box = QGroupBox(group_name) group_box.setLayout(group_layout) if index == 0: h_layout.addWidget(group_box) else: v_layout.addWidget(group_box) h_layout.addLayout(v_layout) cs_layout.addLayout(h_layout) stackitem = QWidget() stackitem.setLayout(cs_layout) self.stack.addWidget(stackitem) self.order.append(scheme_name) def delete_color_scheme_stack(self, scheme_name): """Remove stack widget by 'scheme_name'.""" self.set_scheme(scheme_name) widget = self.stack.currentWidget() self.stack.removeWidget(widget) index = self.order.index(scheme_name) self.order.pop(index)