[mutter/wip/carlosg/im-events: 9/11] clutter: Push commit/delete_sourrounding as IM events

[Robert Mader <rmader src gnome org>]

commit 51760692b0f263327dfa64e042726edde4d18d2d
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Feb 17 11:03:51 2020 +0100

    clutter: Push commit/delete_sourrounding as IM events
    
    These are not given directly to the input focus anymore, instead
    queued up as events. This way, all actions triggered by the input
    method (commit and preedit buffer ones, but also synthesized key
    events) queue up the same way, and are thus processed in the exact
    same order than they are given to us.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1286

 clutter/clutter/clutter-input-method.c | 50 ++++++++++++++++++++++++----------
 1 file changed, 35 insertions(+), 15 deletions(-)
---
diff --git a/clutter/clutter/clutter-input-method.c b/clutter/clutter/clutter-input-method.c
index 031b103df5..438edfe5ce 100644
--- a/clutter/clutter/clutter-input-method.c
+++ b/clutter/clutter/clutter-input-method.c
@@ -277,17 +277,45 @@ clutter_input_method_get_focus (ClutterInputMethod *im)
   return priv->focus;
 }
 
+static void
+clutter_input_method_put_im_event (ClutterInputMethod *im,
+                                   ClutterEventType    event_type,
+                                   const char         *text,
+                                   int32_t             offset,
+                                   uint32_t            len)
+{
+  ClutterInputDevice *keyboard;
+  ClutterSeat *seat;
+  ClutterStage *stage;
+  ClutterEvent *event;
+
+  seat = clutter_backend_get_default_seat (clutter_get_default_backend ());
+  keyboard = clutter_seat_get_keyboard (seat);
+  stage = _clutter_input_device_get_stage (keyboard);
+  if (stage == NULL)
+    return;
+
+  event = clutter_event_new (event_type);
+  event->im.text = g_strdup (text);
+  event->im.offset = offset;
+  event->im.len = len;
+  clutter_event_set_device (event, keyboard);
+  clutter_event_set_source_device (event, keyboard);
+  clutter_event_set_flags (event, CLUTTER_EVENT_FLAG_INPUT_METHOD);
+
+  clutter_event_set_stage (event, stage);
+
+  clutter_event_put (event);
+  clutter_event_free (event);
+}
+
 void
 clutter_input_method_commit (ClutterInputMethod *im,
                              const gchar        *text)
 {
-  ClutterInputMethodPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_INPUT_METHOD (im));
 
-  priv = clutter_input_method_get_instance_private (im);
-  if (priv->focus)
-    clutter_input_focus_commit (priv->focus, text);
+  clutter_input_method_put_im_event (im, CLUTTER_IM_COMMIT, text, 0, 0);
 }
 
 void
@@ -295,13 +323,9 @@ clutter_input_method_delete_surrounding (ClutterInputMethod *im,
                                          int                 offset,
                                          guint               len)
 {
-  ClutterInputMethodPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_INPUT_METHOD (im));
 
-  priv = clutter_input_method_get_instance_private (im);
-  if (priv->focus)
-    clutter_input_focus_delete_surrounding (priv->focus, offset, len);
+  clutter_input_method_put_im_event (im, CLUTTER_IM_DELETE, NULL, offset, len);
 }
 
 void
@@ -329,13 +353,9 @@ clutter_input_method_set_preedit_text (ClutterInputMethod *im,
                                        const gchar        *preedit,
                                        guint               cursor)
 {
-  ClutterInputMethodPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_INPUT_METHOD (im));
 
-  priv = clutter_input_method_get_instance_private (im);
-  if (priv->focus)
-    clutter_input_focus_set_preedit_text (priv->focus, preedit, cursor);
+  clutter_input_method_put_im_event (im, CLUTTER_IM_PREEDIT, preedit, cursor, 0);
 }
 
 void