[gnome-builder] project-tree: do editable selection in idle

[Christian Hergert <chergert src gnome org>]

commit 77f29b01cf59046f5abfad008b4dd3baab8abc79
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jun 14 16:04:41 2019 -0700

    project-tree: do editable selection in idle
    
    This doesn't work even with an AFTER event here, as our selection gets
    overriden. If we do the selection in an idle, after we escape the signal
    handler, everything is fine.

 src/plugins/project-tree/gbp-rename-file-popover.c | 33 ++++++++++++++++------
 1 file changed, 25 insertions(+), 8 deletions(-)
---
diff --git a/src/plugins/project-tree/gbp-rename-file-popover.c 
b/src/plugins/project-tree/gbp-rename-file-popover.c
index 2453d000f..3e6737072 100644
--- a/src/plugins/project-tree/gbp-rename-file-popover.c
+++ b/src/plugins/project-tree/gbp-rename-file-popover.c
@@ -22,6 +22,7 @@
 
 #include <glib/gi18n.h>
 #include <libide-gui.h>
+#include <string.h>
 
 #include "gbp-rename-file-popover.h"
 
@@ -200,21 +201,37 @@ gbp_rename_file_popover__entry_activate (GbpRenameFilePopover *self,
     gtk_widget_activate (GTK_WIDGET (self->button));
 }
 
-static void
-gbp_rename_file_popover__entry_focus_in_event (GbpRenameFilePopover *self,
-                                              GdkEvent            *event,
-                                              GtkEntry            *entry)
+static gboolean
+select_range_in_idle_cb (GtkEntry *entry)
 {
   const gchar *name;
-  const gchar *tmp;
+  const gchar *dot;
 
-  g_assert (GBP_IS_RENAME_FILE_POPOVER (self));
   g_assert (GTK_IS_ENTRY (entry));
 
   name = gtk_entry_get_text (entry);
 
-  if (NULL != (tmp = strrchr (name, '.')))
-    gtk_editable_select_region (GTK_EDITABLE (entry), 0, tmp - name);
+  if ((dot = strrchr (name, '.')))
+    {
+      gsize len = g_utf8_strlen (name, dot - name);
+      gtk_editable_select_region (GTK_EDITABLE (entry), 0, len);
+    }
+
+  return G_SOURCE_REMOVE;
+}
+
+static void
+gbp_rename_file_popover__entry_focus_in_event (GbpRenameFilePopover *self,
+                                               GdkEvent             *event,
+                                               GtkEntry             *entry)
+{
+  g_assert (GBP_IS_RENAME_FILE_POPOVER (self));
+  g_assert (GTK_IS_ENTRY (entry));
+
+  gdk_threads_add_idle_full (G_PRIORITY_DEFAULT,
+                             (GSourceFunc) select_range_in_idle_cb,
+                             g_object_ref (entry),
+                             g_object_unref);
 }
 
 static void