Only hide temporary error message on non-modifiers

qutebrowser/app.py

@@ -107,7 +107,7 @@ class QuteBrowser(QApplication):
         self.setQuitOnLastWindowClosed(False)
         self.lastWindowClosed.connect(self.shutdown)
         self.mainwindow.tabs.keypress.connect(
-            self.mainwindow.status.clear_tmp_text)
+            self.mainwindow.status.keypress)
         self.mainwindow.tabs.keypress.connect(self.keyparser.handle)
         self.keyparser.set_cmd_text.connect(
             self.mainwindow.status.cmd.set_cmd_text)

qutebrowser/widgets/statusbar.py

@@ -170,6 +170,19 @@ class StatusBar(QWidget):
         """Clear a temporary text."""
         self.disp_tmp_text('')
 
+    @pyqtSlot('QKeyEvent')
+    def keypress(self, e):
+        """Hide temporary error message if a key was pressed.
+
+        Args:
+            e: The original QKeyEvent.
+
+        """
+        if e.key() in [Qt.Key_Control, Qt.Key_Alt, Qt.Key_Shift, Qt.Key_Meta]:
+            # Only modifier pressed, don't hide yet.
+            return
+        self.clear_tmp_text()
+
     def resizeEvent(self, e):
         """Extend resizeEvent of QWidget to emit a resized signal afterwards.