Simplify logic and resolve style issues

doc/help/commands.asciidoc

@@ -278,7 +278,8 @@ Set all settings back to their default.
 
 [[config-cycle]]
 === config-cycle
-Syntax: +:config-cycle [*--pattern* 'pattern'] [*--temp*] [*--print*] 'option' ['values' ['values' ...]]+
+Syntax: +:config-cycle [*--pattern* 'pattern'] [*--temp*] [*--print*]
+             'option' ['values' ['values' ...]]+
 
 Cycle an option between multiple values.
 
@@ -530,7 +531,8 @@ Show help about a command or setting.
 
 [[hint]]
 === hint
-Syntax: +:hint [*--mode* 'mode'] [*--add-history*] [*--rapid*] [*--first*] ['group'] ['target'] ['args' ['args' ...]]+
+Syntax: +:hint [*--mode* 'mode'] [*--add-history*] [*--rapid*] [*--first*]
+     ['group'] ['target'] ['args' ['args' ...]]+
 
 Start hinting.
 
@@ -781,7 +783,8 @@ Do nothing.
 
 [[open]]
 === open
-Syntax: +:open [*--related*] [*--bg*] [*--tab*] [*--window*] [*--secure*] [*--private*] ['url']+
+Syntax: +:open [*--related*] [*--bg*] [*--tab*] [*--window*] [*--secure*] [*--private*]
+     ['url']+
 
 Open a URL in the current/[count]th tab.
 
@@ -1110,7 +1113,9 @@ Load a session.
 
 [[session-save]]
 === session-save
-Syntax: +:session-save [*--current*] [*--quiet*] [*--force*] [*--only-active-window*] [*--with-private*] ['name']+
+Syntax: +:session-save [*--current*] [*--quiet*] [*--force*] [*--only-active-window*]
+             [*--with-private*]
+             ['name']+
 
 Save a session.
 

qutebrowser/browser/commands.py

@@ -2238,7 +2238,7 @@ class CommandDispatcher:
         """Mute/Unmute the current/[count]th tab.
 
         Args:
-            count: The tab index to pin or unpin, or None
+            count: The tab index to mute or unmute, or None
         """
         tab = self._cntwidget(count)
         if tab is None:

qutebrowser/config/configdata.yml

@@ -1377,7 +1377,7 @@ tabs.title.format:
     * `{private}`: Indicates when private mode is enabled.
     * `{current_url}`: URL of the current web page.
     * `{protocol}`: Protocol (http/https/...) of the current web page.
-    * `{audio}`: Cookie for audio/mute status
+    * `{audio}`: Indicator for audio/mute status
 
 tabs.title.format_pinned:
   default: '{index}'

qutebrowser/mainwindow/tabbedbrowser.py

@@ -239,9 +239,9 @@ class TabbedBrowser(QWidget):
         tab.renderer_process_terminated.connect(
             functools.partial(self._on_renderer_process_terminated, tab))
         tab.audio_muted_changed.connect(
-            functools.partial(self.on_audio_changed, tab))
+            functools.partial(self._on_audio_changed, tab))
         tab.recently_audible_changed.connect(
-            functools.partial(self.on_audio_changed, tab))
+            functools.partial(self._on_audio_changed, tab))
         tab.new_tab_requested.connect(self.tabopen)
         if not self.private:
             web_history = objreg.get('web-history')
@@ -737,8 +737,7 @@ class TabbedBrowser(QWidget):
         self._update_window_title('scroll_pos')
         self.widget.update_tab_title(idx, 'scroll_pos')
 
-    @pyqtSlot()
-    def on_audio_changed(self, tab, _muted):
+    def _on_audio_changed(self, tab, _muted):
         """Update audio field in tab when mute or recentlyAudible changed."""
         try:
             idx = self._tab_index(tab)

qutebrowser/mainwindow/tabwidget.py

@@ -174,10 +174,14 @@ class TabWidget(QTabWidget):
         fields['backend'] = objects.backend.name
         fields['private'] = ' [Private Mode] ' if tab.private else ''
         try:
-            fields['audio'] = '[M] ' if tab.is_muted() else (
-                '[A] ' if tab.is_recently_audible() else '')
-        except (NotImplementedError, browsertab.WebTabError):
-            # one of the functions was not implemented or had an error, abort
+            if tab.is_muted():
+                fields['audio'] = '[M] '
+            elif tab.is_recently_audible():
+                fields['audio'] = '[A] '
+            else:
+                fields['audio'] = ''
+        except browsertab.WebTabError:
+            # Muting is only implemented with QtWebEngine
             fields['audio'] = ''
 
         if tab.load_status() == usertypes.LoadStatus.loading: