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e6c5e2101be7359a0c6c753fdec5ca004ee1ed34
gns3-gui/gns3/style.py
grossmj e6c5e2101b Add default link style section in preferences 
Update the default style colors based on the interface style
2026-04-06 19:11:45 +08:00

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# -*- coding: utf-8 -*-
#
# Copyright (C) 2016 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Sets window styles
"""
import sys
from gns3.qt import QtCore, QtGui, QtWidgets
class Style:
"""
Apply styles
:param main_window: MainWindow instance.
"""
def __init__(self, main_window):
self._mw = main_window
def _getStyleIcon(self, normal_file, active_file):
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap(normal_file), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.Off)
icon.addPixmap(QtGui.QPixmap(active_file), QtGui.QIcon.Mode.Active, QtGui.QIcon.State.Off)
return icon
def _setLegacyIcons(self):
"""
Sets the legacy icons.
"""
self._mw.uiNewProjectAction.setIcon(QtGui.QIcon(":/icons/new-project.svg"))
self._mw.uiOpenProjectAction.setIcon(QtGui.QIcon(":/icons/open.svg"))
self._mw.uiOpenApplianceAction.setIcon(QtGui.QIcon(":/icons/open.svg"))
self._mw.uiNewTemplateAction.setIcon(QtGui.QIcon(":/icons/plus.svg"))
self._mw.uiSaveProjectAsAction.setIcon(QtGui.QIcon(":/icons/save-as.svg"))
self._mw.uiEditProjectAction.setIcon(QtGui.QIcon(":/icons/edit.svg"))
self._mw.uiImportExportConfigsAction.setIcon(QtGui.QIcon(":/icons/import_export_configs.svg"))
self._mw.uiImportProjectAction.setIcon(QtGui.QIcon(":/icons/import.svg"))
self._mw.uiExportProjectAction.setIcon(QtGui.QIcon(":/icons/export.svg"))
self._mw.uiDeleteProjectAction.setIcon(QtGui.QIcon(":/icons/delete.svg"))
self._mw.uiScreenshotAction.setIcon(QtGui.QIcon(":/icons/camera-photo.svg"))
self._mw.uiSnapshotAction.setIcon(QtGui.QIcon(":/icons/snapshot.svg"))
self._mw.uiQuitAction.setIcon(QtGui.QIcon(":/icons/quit.svg"))
self._mw.uiPreferencesAction.setIcon(QtGui.QIcon(":/icons/applications.svg"))
self._mw.uiZoomInAction.setIcon(QtGui.QIcon(":/icons/zoom-in.png"))
self._mw.uiZoomOutAction.setIcon(QtGui.QIcon(":/icons/zoom-out.png"))
self._mw.uiShowPortNamesAction.setIcon(QtGui.QIcon(":/icons/show-interface-names.svg"))
self._mw.uiStartAllAction.setIcon(self._getStyleIcon(":/icons/start.svg", ":/icons/start-hover.svg"))
self._mw.uiSuspendAllAction.setIcon(self._getStyleIcon(":/icons/pause.svg", ":/icons/pause-hover.svg"))
self._mw.uiStopAllAction.setIcon(self._getStyleIcon(":/icons/stop.svg", ":/icons/stop-hover.svg"))
self._mw.uiReloadAllAction.setIcon(QtGui.QIcon(":/icons/reload.svg"))
self._mw.uiAuxConsoleAllAction.setIcon(QtGui.QIcon(":/icons/aux-console.svg"))
self._mw.uiConsoleAllAction.setIcon(QtGui.QIcon(":/icons/console.svg"))
self._mw.uiAddNoteAction.setIcon(QtGui.QIcon(":/icons/add-note.svg"))
self._mw.uiInsertImageAction.setIcon(QtGui.QIcon(":/icons/image.svg"))
self._mw.uiDrawRectangleAction.setIcon(self._getStyleIcon(":/icons/rectangle.svg", ":/icons/rectangle-hover.svg"))
self._mw.uiDrawEllipseAction.setIcon(self._getStyleIcon(":/icons/ellipse.svg", ":/icons/ellipse-hover.svg"))
self._mw.uiDrawLineAction.setIcon(QtGui.QIcon(":/icons/vertically.svg"))
self._mw.uiEditReadmeAction.setIcon(QtGui.QIcon(":/icons/edit.svg"))
self._mw.uiOnlineHelpAction.setIcon(QtGui.QIcon(":/icons/help.svg"))
self._mw.uiBrowseRoutersAction.setIcon(self._getStyleIcon(":/icons/router.png", ":/icons/router-hover.png"))
self._mw.uiBrowseSwitchesAction.setIcon(self._getStyleIcon(":/icons/switch.png", ":/icons/switch-hover.png"))
self._mw.uiBrowseEndDevicesAction.setIcon(self._getStyleIcon(":/icons/PC.png", ":/icons/PC-hover.png"))
self._mw.uiBrowseSecurityDevicesAction.setIcon(self._getStyleIcon(":/icons/firewall.png", ":/icons/firewall-hover.png"))
self._mw.uiBrowseAllDevicesAction.setIcon(self._getStyleIcon(":/icons/browse-all-icons.png", ":/icons/browse-all-icons-hover.png"))
self._mw.uiAddLinkAction.setIcon(self._getStyleIcon(":/icons/connection-new.svg", ":/charcoal_icons/connection-new-hover.svg"))
# Lock action has 4 different icons
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap(":/icons/lock.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.On)
icon.addPixmap(QtGui.QPixmap(":/icons/lock.svg"), QtGui.QIcon.Mode.Active, QtGui.QIcon.State.On)
icon.addPixmap(QtGui.QPixmap(":/icons/unlock.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.Off)
icon.addPixmap(QtGui.QPixmap(":/icons/unlock.svg"), QtGui.QIcon.Mode.Active, QtGui.QIcon.State.Off)
self._mw.uiLockAllAction.setIcon(icon)
def setLegacyStyle(self):
"""
Sets the legacy GUI style.
"""
graphics_view = self._mw.uiGraphicsView
if hasattr(graphics_view, 'resetGridColors'):
graphics_view.resetGridColors()
self._mw.setStyleSheet("")
QtGui.QGuiApplication.setPalette(QtWidgets.QApplication.style().standardPalette())
self._mw.uiConsoleTextEdit.setDefaultTextColor(QtGui.QColor(0, 0, 0))
self._resetDefaultColors()
self._setLegacyIcons()
def _setClassicIcons(self):
"""
Sets the classic icons.
"""
self._mw.uiNewProjectAction.setIcon(self._getStyleIcon(":/classic_icons/new-project.svg", ":/classic_icons/new-project-hover.svg"))
self._mw.uiOpenProjectAction.setIcon(self._getStyleIcon(":/classic_icons/open.svg", ":/classic_icons/open-hover.svg"))
self._mw.uiOpenApplianceAction.setIcon(self._getStyleIcon(":/classic_icons/open.svg", ":/classic_icons/open-hover.svg"))
self._mw.uiNewTemplateAction.setIcon(self._getStyleIcon(":/classic_icons/plus.svg", ":/classic_icons/plus-hover.svg"))
self._mw.uiSaveProjectAsAction.setIcon(self._getStyleIcon(":/classic_icons/save-as-project.svg", ":/classic_icons/save-as-project-hover.svg"))
self._mw.uiEditProjectAction.setIcon(self._getStyleIcon(":/classic_icons/edit.svg", ":/classic_icons/edit-hover.svg"))
self._mw.uiImportExportConfigsAction.setIcon(self._getStyleIcon(":/classic_icons/import_export_configs.svg", ":/classic_icons/import_export_configs-hover.svg"))
self._mw.uiImportProjectAction.setIcon(self._getStyleIcon(":/classic_icons/import.svg", ":/classic_icons/import-hover.svg"))
self._mw.uiExportProjectAction.setIcon(self._getStyleIcon(":/classic_icons/export.svg", ":/classic_icons/export-hover.svg"))
self._mw.uiDeleteProjectAction.setIcon(self._getStyleIcon(":/classic_icons/delete.svg", ":/classic_icons/delete-hover.svg"))
self._mw.uiScreenshotAction.setIcon(self._getStyleIcon(":/classic_icons/camera-photo.svg", ":/classic_icons/camera-photo-hover.svg"))
self._mw.uiSnapshotAction.setIcon(self._getStyleIcon(":/classic_icons/snapshot.svg", ":/classic_icons/snapshot-hover.svg"))
self._mw.uiQuitAction.setIcon(self._getStyleIcon(":/classic_icons/quit.svg", ":/classic_icons/quit-hover.svg"))
self._mw.uiPreferencesAction.setIcon(self._getStyleIcon(":/classic_icons/preferences.svg", ":/classic_icons/preferences-hover.svg"))
self._mw.uiZoomInAction.setIcon(self._getStyleIcon(":/classic_icons/zoom-in.svg", ":/classic_icons/zoom-in-hover.svg"))
self._mw.uiZoomOutAction.setIcon(self._getStyleIcon(":/classic_icons/zoom-out.svg", ":/classic_icons/zoom-out-hover.svg"))
self._mw.uiShowPortNamesAction.setIcon(self._getStyleIcon(":/classic_icons/show-interface-names.svg", ":/classic_icons/show-interface-names-hover.svg"))
self._mw.uiStartAllAction.setIcon(self._getStyleIcon(":/classic_icons/start.svg", ":/classic_icons/start-hover.svg"))
self._mw.uiSuspendAllAction.setIcon(self._getStyleIcon(":/classic_icons/pause.svg", ":/classic_icons/pause-hover.svg"))
self._mw.uiStopAllAction.setIcon(self._getStyleIcon(":/classic_icons/stop.svg", ":/classic_icons/stop-hover.svg"))
self._mw.uiReloadAllAction.setIcon(self._getStyleIcon(":/classic_icons/reload.svg", ":/classic_icons/reload-hover.svg"))
self._mw.uiAuxConsoleAllAction.setIcon(self._getStyleIcon(":/classic_icons/aux-console.svg", ":/classic_icons/aux-console-hover.svg"))
self._mw.uiConsoleAllAction.setIcon(self._getStyleIcon(":/classic_icons/console.svg", ":/classic_icons/console-hover.svg"))
self._mw.uiAddNoteAction.setIcon(self._getStyleIcon(":/classic_icons/add-note.svg", ":/classic_icons/add-note-hover.svg"))
self._mw.uiInsertImageAction.setIcon(self._getStyleIcon(":/classic_icons/image.svg", ":/classic_icons/image-hover.svg"))
self._mw.uiDrawRectangleAction.setIcon(self._getStyleIcon(":/classic_icons/rectangle.svg", ":/classic_icons/rectangle-hover.svg"))
self._mw.uiDrawEllipseAction.setIcon(self._getStyleIcon(":/classic_icons/ellipse.svg", ":/classic_icons/ellipse-hover.svg"))
self._mw.uiDrawLineAction.setIcon(self._getStyleIcon(":/classic_icons/line.svg", ":/classic_icons/line-hover.svg"))
self._mw.uiEditReadmeAction.setIcon(self._getStyleIcon(":/classic_icons/edit.svg", ":/classic_icons/edit-hover.svg"))
self._mw.uiOnlineHelpAction.setIcon(self._getStyleIcon(":/classic_icons/help.svg", ":/classic_icons/help-hover.svg"))
self._mw.uiBrowseRoutersAction.setIcon(self._getStyleIcon(":/classic_icons/router.svg", ":/classic_icons/router-hover.svg"))
self._mw.uiBrowseSwitchesAction.setIcon(self._getStyleIcon(":/classic_icons/switch.svg", ":/classic_icons/switch-hover.svg"))
self._mw.uiBrowseEndDevicesAction.setIcon(self._getStyleIcon(":/classic_icons/pc.svg", ":/classic_icons/pc-hover.svg"))
self._mw.uiBrowseSecurityDevicesAction.setIcon(self._getStyleIcon(":/classic_icons/firewall.svg", ":/classic_icons/firewall-hover.svg"))
self._mw.uiBrowseAllDevicesAction.setIcon(self._getStyleIcon(":/classic_icons/browse-all-icons.svg", ":/classic_icons/browse-all-icons-hover.svg"))
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap(":/classic_icons/add-link.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.Off)
icon.addPixmap(QtGui.QPixmap(":/classic_icons/add-link-hover.svg"), QtGui.QIcon.Mode.Active, QtGui.QIcon.State.Off)
icon.addPixmap(QtGui.QPixmap(":/classic_icons/add-link-cancel.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.On)
self._mw.uiAddLinkAction.setIcon(icon)
# Lock action has 4 different icons
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap(":/classic_icons/lock.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.On)
icon.addPixmap(QtGui.QPixmap(":/classic_icons/lock-hover.svg"), QtGui.QIcon.Mode.Active, QtGui.QIcon.State.On)
icon.addPixmap(QtGui.QPixmap(":/classic_icons/unlock.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.Off)
icon.addPixmap(QtGui.QPixmap(":/classic_icons/unlock-hover.svg"), QtGui.QIcon.Mode.Active, QtGui.QIcon.State.Off)
self._mw.uiLockAllAction.setIcon(icon)
def setClassicStyle(self):
"""
Sets the classic GUI style.
"""
graphics_view = self._mw.uiGraphicsView
if hasattr(graphics_view, 'resetGridColors'):
graphics_view.resetGridColors()
self._mw.setStyleSheet("")
QtGui.QGuiApplication.setPalette(QtWidgets.QApplication.style().standardPalette())
self._mw.uiConsoleTextEdit.setDefaultTextColor(QtGui.QColor(0, 0, 0))
self._resetDefaultColors()
self._setClassicIcons()
def _setCharcoalIcons(self):
"""
Sets the charcoal icons.
"""
self._mw.uiNewProjectAction.setIcon(self._getStyleIcon(":/charcoal_icons/new-project.svg", ":/charcoal_icons/new-project-hover.svg"))
self._mw.uiOpenProjectAction.setIcon(self._getStyleIcon(":/charcoal_icons/open.svg", ":/charcoal_icons/open-hover.svg"))
self._mw.uiOpenApplianceAction.setIcon(self._getStyleIcon(":/charcoal_icons/open.svg", ":/charcoal_icons/open-hover.svg"))
self._mw.uiNewTemplateAction.setIcon(self._getStyleIcon(":/charcoal_icons/plus.svg", ":/charcoal_icons/plus-hover.svg"))
self._mw.uiSaveProjectAsAction.setIcon(self._getStyleIcon(":/charcoal_icons/save-as-project.svg", ":/charcoal_icons/save-as-project-hover.svg"))
self._mw.uiEditProjectAction.setIcon(self._getStyleIcon(":/charcoal_icons/edit.svg", ":/charcoal_icons/edit-hover.svg"))
self._mw.uiImportExportConfigsAction.setIcon(self._getStyleIcon(":/charcoal_icons/import_export_configs.svg", ":/charcoal_icons/import_export_configs-hover.svg"))
self._mw.uiImportProjectAction.setIcon(self._getStyleIcon(":/charcoal_icons/import.svg", ":/charcoal_icons/import-hover.svg"))
self._mw.uiExportProjectAction.setIcon(self._getStyleIcon(":/charcoal_icons/export.svg", ":/charcoal_icons/export-hover.svg"))
self._mw.uiDeleteProjectAction.setIcon(self._getStyleIcon(":/charcoal_icons/delete.svg", ":/charcoal_icons/delete-hover.svg"))
self._mw.uiScreenshotAction.setIcon(self._getStyleIcon(":/charcoal_icons/camera-photo.svg", ":/charcoal_icons/camera-photo-hover.svg"))
self._mw.uiSnapshotAction.setIcon(self._getStyleIcon(":/charcoal_icons/snapshot.svg", ":/charcoal_icons/snapshot-hover.svg"))
self._mw.uiQuitAction.setIcon(self._getStyleIcon(":/charcoal_icons/quit.svg", ":/charcoal_icons/quit-hover.svg"))
self._mw.uiPreferencesAction.setIcon(self._getStyleIcon(":/charcoal_icons/preferences.svg", ":/charcoal_icons/preferences-hover.svg"))
self._mw.uiZoomInAction.setIcon(self._getStyleIcon(":/charcoal_icons/zoom-in.svg", ":/charcoal_icons/zoom-in-hover.svg"))
self._mw.uiZoomOutAction.setIcon(self._getStyleIcon(":/charcoal_icons/zoom-out.svg", ":/charcoal_icons/zoom-out-hover.svg"))
self._mw.uiShowPortNamesAction.setIcon(self._getStyleIcon(":/charcoal_icons/show-interface-names.svg", ":/charcoal_icons/show-interface-names-hover.svg"))
self._mw.uiStartAllAction.setIcon(self._getStyleIcon(":/charcoal_icons/start.svg", ":/charcoal_icons/start-hover.svg"))
self._mw.uiSuspendAllAction.setIcon(self._getStyleIcon(":/charcoal_icons/pause.svg", ":/charcoal_icons/pause-hover.svg"))
self._mw.uiStopAllAction.setIcon(self._getStyleIcon(":/charcoal_icons/stop.svg", ":/charcoal_icons/stop-hover.svg"))
self._mw.uiReloadAllAction.setIcon(self._getStyleIcon(":/charcoal_icons/reload.svg", ":/charcoal_icons/reload-hover.svg"))
self._mw.uiAuxConsoleAllAction.setIcon(self._getStyleIcon(":/charcoal_icons/aux-console.svg", ":/charcoal_icons/aux-console-hover.svg"))
self._mw.uiConsoleAllAction.setIcon(self._getStyleIcon(":/charcoal_icons/console.svg", ":/charcoal_icons/console-hover.svg"))
self._mw.uiAddNoteAction.setIcon(self._getStyleIcon(":/charcoal_icons/add-note.svg", ":/charcoal_icons/add-note-hover.svg"))
self._mw.uiInsertImageAction.setIcon(self._getStyleIcon(":/charcoal_icons/image.svg", ":/charcoal_icons/image-hover.svg"))
self._mw.uiDrawRectangleAction.setIcon(self._getStyleIcon(":/charcoal_icons/rectangle.svg", ":/charcoal_icons/rectangle-hover.svg"))
self._mw.uiDrawEllipseAction.setIcon(self._getStyleIcon(":/charcoal_icons/ellipse.svg", ":/charcoal_icons/ellipse-hover.svg"))
self._mw.uiDrawLineAction.setIcon(self._getStyleIcon(":/charcoal_icons/line.svg", ":/charcoal_icons/line-hover.svg"))
self._mw.uiEditReadmeAction.setIcon(self._getStyleIcon(":/charcoal_icons/edit.svg", ":/charcoal_icons/edit-hover.svg"))
self._mw.uiOnlineHelpAction.setIcon(self._getStyleIcon(":/charcoal_icons/help.svg", ":/charcoal_icons/help-hover.svg"))
self._mw.uiBrowseRoutersAction.setIcon(self._getStyleIcon(":/charcoal_icons/router.svg", ":/charcoal_icons/router-hover.svg"))
self._mw.uiBrowseSwitchesAction.setIcon(self._getStyleIcon(":/charcoal_icons/switch.svg", ":/charcoal_icons/switch-hover.svg"))
self._mw.uiBrowseEndDevicesAction.setIcon(self._getStyleIcon(":/charcoal_icons/pc.svg", ":/charcoal_icons/pc-hover.svg"))
self._mw.uiBrowseSecurityDevicesAction.setIcon(self._getStyleIcon(":/charcoal_icons/firewall.svg", ":/charcoal_icons/firewall-hover.svg"))
self._mw.uiBrowseAllDevicesAction.setIcon(self._getStyleIcon(":/charcoal_icons/browse-all-icons.svg", ":/charcoal_icons/browse-all-icons-hover.svg"))
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap(":/charcoal_icons/add-link-1.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.Off)
icon.addPixmap(QtGui.QPixmap(":/charcoal_icons/add-link-1-hover.svg"), QtGui.QIcon.Mode.Active, QtGui.QIcon.State.Off)
icon.addPixmap(QtGui.QPixmap(":/charcoal_icons/add-link-1-cancel.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.On)
self._mw.uiAddLinkAction.setIcon(icon)
# Lock action has 4 different icons
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap(":/charcoal_icons/lock.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.On)
icon.addPixmap(QtGui.QPixmap(":/charcoal_icons/lock-hover.svg"), QtGui.QIcon.Mode.Active, QtGui.QIcon.State.On)
icon.addPixmap(QtGui.QPixmap(":/charcoal_icons/unlock.svg"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.Off)
icon.addPixmap(QtGui.QPixmap(":/charcoal_icons/unlock-hover.svg"), QtGui.QIcon.Mode.Active, QtGui.QIcon.State.Off)
self._mw.uiLockAllAction.setIcon(icon)
def _resetDefaultColors(self):
"""
Reset the default colors if switching from the Dark style.
"""
# set the default colors to black if they are still set to light gray (set by the dark style)
graphics_view = self._mw.uiGraphicsView
topology_view_settings = graphics_view.settings()
if topology_view_settings["default_note_color"] == "#dfe1e2":
topology_view_settings["default_note_color"] = "#000000"
if topology_view_settings["default_label_color"] == "#dfe1e2":
topology_view_settings["default_label_color"] = "#000000"
if topology_view_settings["default_link_color"] == "#dfe1e2":
topology_view_settings["default_link_color"] = "#000000"
graphics_view.setSettings(topology_view_settings)
def setCharcoalStyle(self):
"""
Sets the charcoal GUI style.
"""
graphics_view = self._mw.uiGraphicsView
if hasattr(graphics_view, 'resetGridColors'):
graphics_view.resetGridColors()
style_file = QtCore.QFile(":/styles/charcoal.css")
style_file.open(QtCore.QIODeviceBase.OpenModeFlag.ReadOnly)
style = QtCore.QTextStream(style_file).readAll()
if sys.platform.startswith("darwin"):
style += "QDockWidget::title {text-align: center; background-color: #535353}"
self._mw.setStyleSheet(style)
QtWidgets.QApplication.setPalette(QtWidgets.QApplication.style().standardPalette())
self._mw.uiConsoleTextEdit.setDefaultTextColor(QtGui.QColor(0, 0, 0))
self._resetDefaultColors()
self._setCharcoalIcons()
def setDarkStyle(self):
"""
Sets the dark GUI style.
"""
graphics_view = self._mw.uiGraphicsView
if hasattr(graphics_view, 'resetGridColors'):
graphics_view.resetGridColors()
import qdarkstyle
style = qdarkstyle.load_stylesheet(qt_api='pyqt6')
style += "QMenu::item { padding: 5px; }"
self._mw.setStyleSheet(style)
color = QtGui.QColor(0xdf, 0xe1, 0xe2) # light gray
palette = QtGui.QPalette()
palette.setColor(QtGui.QPalette.ColorRole.Text, color)
QtGui.QGuiApplication.setPalette(palette)
self._mw.uiConsoleTextEdit.setDefaultTextColor(color)
# set the default colors to the light gray if they are still set to black
# (i.e. not customized by the user) to be visible in the dark style
topology_view_settings = graphics_view.settings()
if topology_view_settings["default_note_color"] == "#000000":
topology_view_settings["default_note_color"] = color.name()
if topology_view_settings["default_label_color"] == "#000000":
topology_view_settings["default_label_color"] = color.name()
if topology_view_settings["default_link_color"] == "#000000":
topology_view_settings["default_link_color"] = color.name()
graphics_view.setSettings(topology_view_settings)
self._setCharcoalIcons() # use the charcoal icons for the dark style
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