[gnome-shell] st-entry: Implement Ctrl-u / Ctrl-k keybindings

[Florian Müllner <fmuellner src gnome org>]

commit 67b14d5fe5fe52372e5aec9d5d406e0cd7cfd9b5
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Sep 26 15:43:17 2014 +0100

    st-entry: Implement Ctrl-u / Ctrl-k keybindings
    
    These keybindings are well-established on the CLI (e.g. "kill-line"
    and "unix-line-discard" in readline(3)), and adding support for them
    is cheap ...
    
    https://bugzilla.gnome.org/show_bug.cgi?id=737346

 src/st/st-entry.c |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+), 0 deletions(-)
---
diff --git a/src/st/st-entry.c b/src/st/st-entry.c
index 8ad3f80..1507c2d 100644
--- a/src/st/st-entry.c
+++ b/src/st/st-entry.c
@@ -662,6 +662,29 @@ st_entry_key_press_event (ClutterActor    *actor,
       return TRUE;
     }
 
+
+  /* delete to beginning of line */
+  if ((event->modifier_state & CLUTTER_CONTROL_MASK)
+      && event->keyval == CLUTTER_u)
+    {
+      int pos = clutter_text_get_cursor_position ((ClutterText *)priv->entry);
+      clutter_text_delete_text ((ClutterText *)priv->entry, 0, pos);
+
+      return TRUE;
+    }
+
+
+  /* delete to end of line */
+  if ((event->modifier_state & CLUTTER_CONTROL_MASK)
+      && event->keyval == CLUTTER_k)
+    {
+      ClutterTextBuffer *buffer = clutter_text_get_buffer ((ClutterText *)priv->entry);
+      int pos = clutter_text_get_cursor_position ((ClutterText *)priv->entry);
+      clutter_text_buffer_delete_text (buffer, pos, -1);
+
+      return TRUE;
+    }
+
   return CLUTTER_ACTOR_CLASS (st_entry_parent_class)->key_press_event (actor, event);
 }