[gtksourceview] view: dont clear input during indentation with imcontext

[Christian Hergert <chergert src gnome org>]

commit 6a8a9044371282bd5a04baf668023816a5b79906
Author: Christian Hergert <chergert redhat com>
Date:   Fri Dec 24 15:44:50 2021 -0800

    view: dont clear input during indentation with imcontext
    
    If the user inputs Return while typing an unicode entry (ctrl+shift+u) we
    risk clearing the text instead of inserting the unicode character.
    
    Related https://gitlab.gnome.org/GNOME/gnome-text-editor/-/issues/260

 gtksourceview/gtksourceview.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)
---
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index 879a26aa..3374ac79 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -4009,8 +4009,6 @@ gtk_source_view_key_pressed (GtkSourceView         *view,
                 * inserted character).
                 */
 
-               gtk_text_buffer_begin_user_action (buf);
-
                /* We can ignore the return value from filter_keypress because we
                 * already know this is a key we care about. Either we inserted
                 * text and will indent, or we didn't insert text and we should
@@ -4022,25 +4020,27 @@ gtk_source_view_key_pressed (GtkSourceView         *view,
                 */
                if (!gtk_text_view_im_context_filter_keypress (GTK_TEXT_VIEW (view), event))
                {
+                       gtk_text_buffer_begin_user_action (buf);
+
                        if (key == GDK_KEY_Return || key == GDK_KEY_KP_Enter)
                        {
                                gtk_text_buffer_get_iter_at_mark (buf, &cur, mark);
                                gtk_text_buffer_insert (buf, &cur, "\n", 1);
                        }
-               }
 
-               /* Changing the preedit should not change our insertion count,
-                * so if our insertion count changed it was because soemthing
-                * was committed to the underlying source buffer.
-                */
-               if (insertion_count != _gtk_source_buffer_get_insertion_count (priv->source_buffer))
-               {
-                       gtk_text_buffer_get_iter_at_mark (buf, &cur, mark);
-                       gtk_source_indenter_indent (priv->indenter, view, &cur);
-                       gtk_text_view_scroll_mark_onscreen (GTK_TEXT_VIEW (view), mark);
-               }
+                       /* Changing the preedit should not change our insertion count,
+                        * so if our insertion count changed it was because soemthing
+                        * was committed to the underlying source buffer.
+                        */
+                       if (insertion_count != _gtk_source_buffer_get_insertion_count (priv->source_buffer))
+                       {
+                               gtk_text_buffer_get_iter_at_mark (buf, &cur, mark);
+                               gtk_source_indenter_indent (priv->indenter, view, &cur);
+                               gtk_text_view_scroll_mark_onscreen (GTK_TEXT_VIEW (view), mark);
+                       }
 
-               gtk_text_buffer_end_user_action (buf);
+                       gtk_text_buffer_end_user_action (buf);
+               }
 
                return GDK_EVENT_STOP;
        }