OS Dark theme compatibility

activity_browser/settings.py

@@ -188,6 +188,15 @@ def get_default_project_name() -> Optional[str]:
         else:
             return None
 
+    @property
+    def theme(self) -> str:
+        """Returns the current brightway directory"""
+        return self.settings.get("theme", "Light theme")
+
+    @theme.setter
+    def theme(self, new_theme: str) -> None:
+        self.settings.update({"theme": new_theme})
+
 
 class ProjectSettings(BaseSettings):
     """

activity_browser/ui/style.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 from PySide2 import QtGui, QtWidgets
+from activity_browser import ab_settings
 
 default_font = QtGui.QFont("Arial", 8)
 
@@ -68,22 +69,29 @@ class ActivitiesPanel:
 
 
 class TableItemStyle:
-    COLOR_CODE = {
-        "default": (0, 0, 0),  # black
-        # 'product': (0, 132, 130),
-        "product": (0, 0, 0),
-        # 'reference product': (0, 132, 130),
-        "reference product": (0, 0, 0),
-        "name": (0, 2, 140),
-        "activity": (0, 72, 216),
-        "amount": (0, 0, 0),
-        # 'unit': (51, 153, 255),
-        "unit": (0, 0, 0),
-        "location": (72, 0, 140),
-        "database": (96, 96, 96),
-        "categories": (0, 0, 0),
-        "key": (96, 96, 96),
-    }
+    if ab_settings.theme == "Dark theme compatibility":
+        COLOR_CODE = {
+            "default": (255, 255, 255),  # white
+            "name": (85, 170, 255),
+            "activity": (85, 170, 255),
+            "location": (255, 85, 255),
+            "database": (200, 200, 200),
+            "key": (200, 200, 200),
+        }
+    else:  # light theme default
+        COLOR_CODE = {
+            "default": (0, 0, 0),  # black
+            "product": (0, 0, 0),
+            "reference product": (0, 0, 0),
+            "name": (0, 2, 140),
+            "activity": (0, 72, 216),
+            "amount": (0, 0, 0),
+            "unit": (0, 0, 0),
+            "location": (72, 0, 140),
+            "database": (96, 96, 96),
+            "categories": (0, 0, 0),
+            "key": (96, 96, 96),
+        }
 
     def __init__(self):
         self.brushes = {}

activity_browser/ui/wizards/settings_wizard.py

@@ -2,6 +2,7 @@
 import os
 from logging import getLogger
 
+from dill import settings
 from peewee import SqliteDatabase
 from PySide2 import QtCore, QtWidgets
 
@@ -60,13 +61,7 @@ def __init__(self, parent=None):
         self.wizard = parent
         self.complete = False
 
-        self.startup_project_combobox = QtWidgets.QComboBox()
-        self.update_project_combo()
-
-        self.registerField(
-            "startup_project", self.startup_project_combobox, "currentText"
-        )
-
+        # bw dir
         self.bwdir_variables = set()
         self.bwdir = QtWidgets.QComboBox()
 
@@ -77,6 +72,25 @@ def __init__(self, parent=None):
         self.bwdir_name = QtWidgets.QLineEdit(self.bwdir.currentText())
         self.registerField("current_bw_dir", self.bwdir_name)
 
+        # startup project
+        self.startup_project_combobox = QtWidgets.QComboBox()
+        self.update_project_combo()
+
+        self.registerField(
+            "startup_project", self.startup_project_combobox, "currentText"
+        )
+
+        # light/dark theme
+        self.theme_combo = QtWidgets.QComboBox()
+        self.theme_combo.addItems([
+            "Light theme",
+            "Dark theme compatibility"
+        ])
+        self.theme_combo.setCurrentText(ab_settings.theme)
+        self.registerField(
+            "theme_cbox", self.theme_combo, "currentText"
+        )
+
         # Startup options
         self.startup_groupbox = QtWidgets.QGroupBox("Startup Options")
         self.startup_layout = QtWidgets.QGridLayout()
@@ -86,6 +100,9 @@ def __init__(self, parent=None):
         self.startup_layout.addWidget(self.bwdir_remove_button, 0, 3)
         self.startup_layout.addWidget(QtWidgets.QLabel("Startup Project: "), 1, 0)
         self.startup_layout.addWidget(self.startup_project_combobox, 1, 1)
+        self.startup_layout.addWidget(QtWidgets.QLabel("Theme: "), 2, 0)
+        self.startup_layout.addWidget(self.theme_combo, 2, 1)
+        self.startup_layout.addWidget(QtWidgets.QLabel("(Requires restart)"), 2, 2)
 
         self.startup_groupbox.setLayout(self.startup_layout)
 
@@ -102,6 +119,7 @@ def __init__(self, parent=None):
         self.bwdir_browse_button.clicked.connect(self.bwdir_browse)
         self.bwdir_remove_button.clicked.connect(self.bwdir_remove)
         self.bwdir.currentTextChanged.connect(self.bwdir_change)
+        self.theme_combo.currentTextChanged.connect(self.theme_change)
         self.restore_defaults_button.clicked.connect(self.restore_defaults)
 
     def bw_projects(self, path: str):
@@ -156,6 +174,12 @@ def bwdir_change(self, path: str):
         """
         self.change_bw_dir(path)
 
+    def theme_change(self, theme: str):
+        """Change the theme."""
+        if ab_settings.theme != theme:
+            ab_settings.theme = theme
+            self.changed()
+
     def bwdir_browse(self):
         """
         Executes on emission of a signal from the browse button