Restyle tabbar

THANKS

@@ -24,6 +24,7 @@ valuable ones:
     - andrean
     - chelmuth
     - quark
+    - Bleeding Fingers
 
 Thanks to these people for helpful bits and pieces in the Qt bugtracker and IRC
 channel:

qutebrowser/config/configdata.py

@@ -497,18 +497,22 @@ DATA = OrderedDict([
 
         ('tab.fg',
          SettingValue(types.Color(), "white"),
-         "Foreground color of the tabbar."),
+         "Foreground color of tabs."),
 
         ('tab.bg',
          SettingValue(types.Color(), "grey"),
-         "Background color of the tabbar."),
+         "Background color of unselected tabs."),
 
         ('tab.bg.selected',
          SettingValue(types.Color(), "black"),
-         "Background color of the tabbar for the selected tab."),
+         "Background color of selected tabs."),
+
+        ('tab.bg.bar',
+         SettingValue(types.Color(), "#555555"),
+         "Background color of the tabbar."),
 
         ('tab.seperator',
-         SettingValue(types.Color(), "white"),
+         SettingValue(types.Color(), "#555555"),
          "Color for the tab seperator."),
 
         ('hints.fg',

qutebrowser/widgets/tabwidget.py

@@ -33,9 +33,6 @@ class TabWidget(QTabWidget):
         STYLESHEET: The stylesheet template to be used.
     """
 
-    # FIXME there is still some ugly 1px white stripe from somewhere if we do
-    # background-color: grey for QTabBar...
-
     STYLESHEET = """
         QTabWidget::pane {{
             position: absolute;
@@ -44,6 +41,7 @@ class TabWidget(QTabWidget):
 
         QTabBar {{
             {font[tabbar]}
+            {color[tab.bg.bar]}
         }}
 
         QTabBar::tab {{
@@ -53,9 +51,6 @@ class TabWidget(QTabWidget):
             padding-right: 5px;
             padding-top: 0px;
             padding-bottom: 0px;
-        }}
-
-        QTabBar::tab:first, QTabBar::tab:middle {{
             border-right: 1px solid {color[tab.seperator]};
         }}
 
@@ -71,6 +66,7 @@ class TabWidget(QTabWidget):
         set_register_stylesheet(self)
         self.setDocumentMode(True)
         self.setElideMode(Qt.ElideRight)
+        self.tabBar().setDrawBase(False)
         self._init_config()
 
     def _init_config(self):