Add the ability to display persistent messages.

qutebrowser/app.py

@@ -262,6 +262,8 @@ class QuteBrowser(QApplication):
         self.mainwindow.tabs.set_mode.connect(self.set_mode)
         message.bridge.error.connect(self.mainwindow.status.disp_error)
         message.bridge.info.connect(self.mainwindow.status.disp_tmp_text)
+        message.bridge.text.connect(self.mainwindow.status.disp_text)
+        message.bridge.clear.connect(self.mainwindow.status.clear_text)
         self.config.style_changed.connect(style.invalidate_caches)
         self.config.changed.connect(self.mainwindow.tabs.on_config_changed)
         self.config.changed.connect(

qutebrowser/utils/message.py

@@ -43,13 +43,25 @@ def error(message):
 
 
 def info(message):
-    """Display an info message in the statusbar."""
+    """Display a temporary info message in the statusbar."""
     bridge.info.emit(message)
 
 
+def text(message):
+    """Display a persistent message in the statusbar."""
+    bridge.text.emit(message)
+
+
+def clear():
+    """Clear a persistent message in the statusbar."""
+    bridge.clear.emit()
+
+
 class MessageBridge(QObject):
 
     """Bridge for messages to be shown in the statusbar."""
 
     error = pyqtSignal(str)
     info = pyqtSignal(str)
+    text = pyqtSignal(str)
+    clear = pyqtSignal()

qutebrowser/widgets/statusbar.py

@@ -170,6 +170,20 @@ class StatusBar(QWidget):
         """Clear a temporary text."""
         self.disp_tmp_text('')
 
+    @pyqtSlot(str)
+    def disp_text(self, text):
+        """Display a persistent text.
+
+        Args:
+            text: The text to display, or an empty string to clear.
+        """
+        self.txt.normaltext = text
+
+    @pyqtSlot()
+    def clear_text(self):
+        """Clear a persistent text."""
+        self.disp_text('')
+
     @pyqtSlot('QKeyEvent')
     def keypress(self, e):
         """Hide temporary error message if a key was pressed.