Remove value from on_config_changed signal again.

Turns out this causes more trouble than it's worth, and it's unintuitive
from which layer we get the value.

qutebrowser/commands/keys.py

@@ -230,8 +230,9 @@ class KeyParser(QObject):
             self.set_cmd_text.emit(':{} '.format(cmdstr))
         return
 
-    @pyqtSlot(str, str, object)
-    def on_config_changed(self, section, option, value):
+    # pylint: disable=unused-argument
+    @pyqtSlot(str, str)
+    def on_config_changed(self, section, option):
         if section == 'keybind':
             self.read_config()
 

qutebrowser/config/config.py

@@ -94,7 +94,7 @@ class Config(QObject):
                  Args: the changed section and option.
     """
 
-    changed = pyqtSignal(str, str, object)
+    changed = pyqtSignal(str, str)
     style_changed = pyqtSignal(str, str)
 
     def __init__(self, configdir, fname, parent=None):
@@ -327,7 +327,7 @@ class Config(QObject):
         else:
             if section in ['colors', 'fonts']:
                 self.style_changed.emit(section, option)
-            self.changed.emit(section, option, self.get(section, option))
+            self.changed.emit(section, option)
 
     @cmdutils.register(instance='config')
     def save(self):

qutebrowser/config/lineparser.py

@@ -20,6 +20,7 @@
 import os
 import os.path
 import logging
+
 from PyQt5.QtCore import pyqtSlot
 
 
@@ -73,7 +74,7 @@ class LineConfigParser:
         if not self.data:
             logging.debug("No data to save.")
             return
-        import qutebrowser.config.config as config
+        import qutebrowser.config.config as config   # FIXME
         limit = -1 if self._limit is None else config.config.get(*self._limit)
         if limit == 0:
             return
@@ -83,11 +84,13 @@ class LineConfigParser:
         with open(self._configfile, 'w') as f:
             self.write(f, limit)
 
-    @pyqtSlot(str, str, object)
-    def on_config_changed(self, section, option, value):
+    @pyqtSlot(str, str)
+    def on_config_changed(self, section, option):
         """Delete the file if the limit was changed to 0."""
         if self._limit is None:
             return
+        import qutebrowser.config.config as config   # FIXME
+        value = config.config.get(section, option)
         if (section, option) == self._limit and value == 0:
             if os.path.exists(self._configfile):
                 os.remove(self._configfile)

qutebrowser/config/websettings.py

@@ -68,8 +68,9 @@ def init():
         settings.setAttribute(item, config.config.get('webkit', name))
 
 
-@pyqtSlot(str, str, object)
-def on_config_changed(section, option, value):
+@pyqtSlot(str, str)
+def on_config_changed(section, option):
     """Update global settings when qwebsettings changed."""
     if section == 'webkit':
+        value = config.config.get(section, option)
         settings.setAttribute(MAPPING[option], value)

qutebrowser/widgets/browsertab.py

@@ -176,9 +176,8 @@ class BrowserTab(QWebView):
         netman.deleteLater()
         logging.debug("Tab shutdown scheduled")
 
-    # pylint: disable=unused-argument
-    @pyqtSlot(str, str, object)
-    def on_config_changed(self, section, option, value):
+    @pyqtSlot(str, str)
+    def on_config_changed(self, section, option):
         """Update tab config when config was changed."""
         if section == 'general' and option in ['zoomlevels', 'defaultzoom']:
             self._init_neighborlist()

qutebrowser/widgets/completion.py

@@ -211,11 +211,11 @@ class CompletionView(QTreeView):
         self.expandAll()
         self.resizeColumnToContents(0)
 
-    @pyqtSlot(str, str, object)
-    def on_config_changed(self, section, option, value):
+    @pyqtSlot(str, str)
+    def on_config_changed(self, section, option):
         """Update self._enabled when the config changed."""
         if section == 'general' and option == 'show_completion':
-            self._enabled = value
+            self._enabled = config.config.get('general', 'show_completion')
 
     @pyqtSlot(str)
     def on_cmd_text_changed(self, text):

qutebrowser/widgets/mainwindow.py

@@ -106,9 +106,8 @@ class MainWindow(QWidget):
         #self.tabWidget.setCurrentIndex(0)
         #QtCore.QMetaObject.connectSlotsByName(MainWindow)
 
-    # pylint: disable=unused-argument
-    @pyqtSlot(str, str, object)
-    def on_config_changed(self, section, option, value):
+    @pyqtSlot(str, str)
+    def on_config_changed(self, section, option):
         """Resize completion if config changed."""
         if section == 'general' and option == 'completion_height':
             self.resize_completion()

qutebrowser/widgets/tabbedbrowser.py

@@ -141,12 +141,12 @@ class TabbedBrowser(TabWidget):
         else:
             return None
 
-    @pyqtSlot(str, str, object)
-    def on_config_changed(self, section, option, value):
+    @pyqtSlot(str, str)
+    def on_config_changed(self, section, option):
         """Update tab config when config was changed."""
-        super().on_config_changed(section, option, value)
+        super().on_config_changed(section, option)
         for tab in self._tabs:
-            tab.on_config_changed(section, option, value)
+            tab.on_config_changed(section, option)
 
     def _titleChanged_handler(self, text):
         """Set the title of a tab.

qutebrowser/widgets/tabwidget.py

@@ -99,9 +99,8 @@ class TabWidget(QTabWidget):
         except KeyError:
             pass
 
-    # pylint: disable=unused-argument
-    @pyqtSlot(str, str, object)
-    def on_config_changed(self, section, option, value):
+    @pyqtSlot(str, str)
+    def on_config_changed(self, section, option):
         """Update attributes when config changed."""
         if section == 'tabbar':
             self._init_config()