Refactor commandline parsing

qutebrowser/app.py

@@ -8,7 +8,7 @@ def main():
 
     mw = MainWindow()
     cp = cmds.CommandParser()
-    mw.status.cmd.returnPressed.connect(lambda: cp.parse(mw.status.cmd.text()))
+    mw.status.cmd.got_cmd.connect(cp.parse)
     cmds.cmd_dict['openurl'].connect(mw.tabs.openurl)
     cmds.cmd_dict['tabopen'].connect(mw.tabs.tabopen)
     cmds.cmd_dict['quit'].connect(QApplication.closeAllWindows) # FIXME

qutebrowser/commands.py

@@ -13,7 +13,7 @@ def register_all():
 
 class CommandParser(QObject):
     def parse(self, test):
-        parts = text.lstrip(':').strip().split()
+        parts = text.strip().split()
         cmd = parts[0]
         args = parts[1:]
         obj = cmd_dict[cmd]()

qutebrowser/widgets/statusbar.py

@@ -31,7 +31,15 @@ class StatusText(QLabel):
         self.setStyleSheet("padding-right: 1px")
 
 class StatusCommand(QLineEdit):
+    got_cmd = pyqtSignal(str)
+
     def __init__(self, parent):
         super().__init__(parent)
         self.setObjectName(self.__class__.__name__)
         self.setStyleSheet("border: 0px; padding-left: 1px")
+        self.returnPressed.connect(self.process_cmd)
+
+    def process_cmd(self):
+        text = self.text().lstrip(':')
+        self.setText('')
+        self.got_cmd.emit(text)