Add keybindings for Ctrl-?/H/J/[ for Delete/Backspace/Return/Escape

qutebrowser/config/configdata.py

@@ -685,6 +685,7 @@ DATA = OrderedDict([
         ('<Escape>', 'leave-mode'),
         ('<Ctrl-N>', 'leave-mode'),
         ('<Ctrl-E>', 'open-editor'),
+        ('<Ctrl-[>', '${<Escape>}'),
     )),
 
     ('keybind.hint', sect.ValueList(
@@ -692,11 +693,13 @@ DATA = OrderedDict([
         ('<Return>', 'follow-hint'),
         ('<Escape>', 'leave-mode'),
         ('<Ctrl-N>', 'leave-mode'),
+        ('<Ctrl-[>', '${<Escape>}'),
     )),
 
     ('keybind.passthrough', sect.ValueList(
         types.KeyBindingName(), types.KeyBinding(),
         ('<Escape>', 'leave-mode'),
+        ('<Ctrl-[>', '${<Escape>}'),
     )),
 
     # FIXME we should probably have a common section for input modes with a
@@ -723,6 +726,10 @@ DATA = OrderedDict([
         ('<Alt-D>', 'rl-kill-word'),
         ('<Ctrl-W>', 'rl-unix-word-rubout'),
         ('<Ctrl-Y>', 'rl-yank'),
+        ('<Ctrl-?>', 'rl-delete-char'),
+        ('<Ctrl-H>', 'rl-backward-delete-char'),
+        ('<Ctrl-J>', '${<Return>}'),
+        ('<Ctrl-[>', '${<Escape>}'),
     )),
 
     ('keybind.prompt', sect.ValueList(
@@ -742,6 +749,10 @@ DATA = OrderedDict([
         ('<Alt-D>', 'rl-kill-word'),
         ('<Ctrl-W>', 'rl-unix-word-rubout'),
         ('<Ctrl-Y>', 'rl-yank'),
+        ('<Ctrl-?>', 'rl-delete-char'),
+        ('<Ctrl-H>', 'rl-backward-delete-char'),
+        ('<Ctrl-J>', '${<Return>}'),
+        ('<Ctrl-[>', '${<Escape>}'),
     )),
 
     ('aliases', sect.ValueList(

qutebrowser/test/utils/test_readline.py

@@ -92,6 +92,14 @@ class ReadlineBridgeTest(TestCase):
         self.bridge.rl_end_of_line()
         self.qle.end.assert_called_with(False)
 
+    def test_rl_delete_char(self):
+        self.bridge.rl_delete_char()
+        self.qle.del_.assert_called_with()
+
+    def test_rl_backward_delete_char(self):
+        self.bridge.rl_backward_delete_char()
+        self.qle.backspace.assert_called_with()
+
     def test_rl_unix_line_discard(self):
         """Set a selected text, delete it, see if it comes back with yank."""
         self._set_selected_text("delete test")

qutebrowser/utils/readline.py

@@ -126,3 +126,17 @@ class ReadlineBridge:
         if self.widget is None or self.widget not in self.deleted:
             return
         self.widget.insert(self.deleted[self.widget])
+
+    @cmd.register(instance='rl_bridge', hide=True, modes=['command', 'prompt'])
+    def rl_delete_char(self):
+        """Readline: Delete the character at point."""
+        if self.widget is None:
+            return
+        self.widget.del_()
+
+    @cmd.register(instance='rl_bridge', hide=True, modes=['command', 'prompt'])
+    def rl_backward_delete_char(self):
+        """Readline: Delete the character behind the cursor."""
+        if self.widget is None:
+            return
+        self.widget.backspace()