Add tab{prev,next} command

qutebrowser/app.py

@@ -18,6 +18,8 @@ def main():
     cmds.cmd_dict['tabopen'].signal.connect(mw.tabs.tabopen)
     cmds.cmd_dict['quit'].signal.connect(QApplication.closeAllWindows) # FIXME
     cmds.cmd_dict['tabclose'].signal.connect(mw.tabs.close_act)
+    cmds.cmd_dict['tabprev'].signal.connect(mw.tabs.switch_prev)
+    cmds.cmd_dict['tabnext'].signal.connect(mw.tabs.switch_next)
     kp.from_cmd_dict(cmds.cmd_dict, mw)
     mw.show()
 

qutebrowser/browser.py

@@ -32,6 +32,25 @@ class TabbedBrowser(TabWidget):
             # FIXME
             pass
 
+    @pyqtSlot()
+    def switch_prev(self):
+        idx = self.currentIndex()
+        if idx > 0:
+            self.setCurrentIndex(idx - 1)
+        else:
+            # FIXME
+            pass
+
+    @pyqtSlot()
+    def switch_next(self):
+        idx = self.currentIndex()
+        if idx < self.count() - 1:
+            self.setCurrentIndex(idx + 1)
+        else:
+            # FIXME
+            pass
+
+
 class BrowserTab(QWebView):
     def __init__(self, parent):
         super().__init__(parent)

qutebrowser/commands.py

@@ -81,6 +81,18 @@ class TabCloseCmd(Command):
     key = 'd'
     signal = pyqtSignal()
 
+class TabNextCmd(Command):
+    nargs = 0
+    name = 'tabnext'
+    key = 'Shift+j'
+    signal = pyqtSignal()
+
+class TabPrevCmd(Command):
+    nargs = 0
+    name = 'tabprev'
+    key = 'Shift+k'
+    signal = pyqtSignal()
+
 class QuitCmd(Command):
     nargs = 0
     name = 'quit'