Only close window (instead of quitting) when closing last tab.

This also renames the 'quit' value for tabs->last-close to 'close' to avoid
confusion.

Fixes #154.

qutebrowser/browser/commands.py

@@ -222,10 +222,6 @@ class CommandDispatcher:
 
         Args:
             count: The tab index to close, or None
-
-        Emit:
-            quit: If last tab was closed and last-close in config is set to
-                  quit.
         """
         tab = self._cntwidget(count)
         if tab is None:

qutebrowser/config/configtypes.py

@@ -1163,7 +1163,7 @@ class LastClose(BaseType):
 
     valid_values = ValidValues(('ignore', "Don't do anything."),
                                ('blank', "Load a blank page."),
-                               ('quit', "Quit qutebrowser."))
+                               ('close', "Close the window."))
 
 
 class AcceptCookies(BaseType):

qutebrowser/widgets/mainwindow.py

@@ -200,7 +200,7 @@ class MainWindow(QWidget):
         prompter = self._get_object('prompter')
 
         # misc
-        self._tabbed_browser.quit.connect(app.shutdown)
+        self._tabbed_browser.close_window.connect(self.close)
         mode_manager.entered.connect(hints.on_mode_entered)
 
         # status bar
@@ -294,6 +294,7 @@ class MainWindow(QWidget):
             self._completion.setGeometry(rect)
 
     @cmdutils.register(instance='main-window', scope='window')
+    @pyqtSlot()
     def close(self):
         """Close the current window.
 

qutebrowser/widgets/tabbedbrowser.py

@@ -72,7 +72,7 @@ class TabbedBrowser(tabwidget.TabWidget):
                                  arg 1: x-position in %.
                                  arg 2: y-position in %.
         cur_load_status_changed: Loading status of current tab changed.
-        quit: The last tab was closed, quit application.
+        close_window: The last tab was closed, close this window.
         resized: Emitted when the browser window has resized, so the completion
                  widget can adjust its size to it.
                  arg: The new size.
@@ -92,7 +92,7 @@ class TabbedBrowser(tabwidget.TabWidget):
     cur_scroll_perc_changed = pyqtSignal(int, int)
     cur_load_status_changed = pyqtSignal(str)
     start_download = pyqtSignal('QNetworkReply*')
-    quit = pyqtSignal()
+    close_window = pyqtSignal()
     resized = pyqtSignal('QRect')
     got_cmd = pyqtSignal(str)
     current_tab_changed = pyqtSignal(webview.WebView)
@@ -229,9 +229,9 @@ class TabbedBrowser(tabwidget.TabWidget):
         last_close = config.get('tabs', 'last-close')
         if self.count() > 1:
             self._remove_tab(tab)
-        elif last_close == 'quit':
+        elif last_close == 'close':
             self._remove_tab(tab)
-            self.quit.emit()
+            self.close_window.emit()
         elif last_close == 'blank':
             tab.openurl('about:blank')