[gthumb] tags dialog: adding a tag removes all the other tags

[Paolo Bacchilega <paobac src gnome org>]

commit b97a7035c877b4f7f5ac1f2f6a95d09b9bdbe7e9
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Thu Nov 2 10:01:13 2017 +0100

    tags dialog: adding a tag removes all the other tags
    
    do not select the entry content after opening the dialog
    
    [bug #777234]

 gthumb/gth-tags-entry.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/gthumb/gth-tags-entry.c b/gthumb/gth-tags-entry.c
index ad11b3b..8f102fc 100644
--- a/gthumb/gth-tags-entry.c
+++ b/gthumb/gth-tags-entry.c
@@ -1098,6 +1098,17 @@ expand_button_toggled_cb (GtkToggleButton *button,
 }
 
 
+static gboolean
+entry_focus_in_event_cb (GtkWidget *widget,
+                        GdkEvent  *event,
+                        gpointer   user_data)
+{
+       GthTagsEntry *self = user_data;
+       gtk_editable_set_position (GTK_EDITABLE (self->priv->entry), -1);
+       return GDK_EVENT_PROPAGATE;
+}
+
+
 static void
 gth_tags_entry_init (GthTagsEntry *self)
 {
@@ -1150,6 +1161,10 @@ gth_tags_entry_init (GthTagsEntry *self)
        gtk_entry_set_completion (GTK_ENTRY (self->priv->entry), self->priv->completion);
        gtk_widget_show (self->priv->entry);
        gtk_box_pack_start (GTK_BOX (hbox), self->priv->entry, TRUE, TRUE, 0);
+       g_signal_connect (self->priv->entry,
+                         "focus-in-event",
+                         G_CALLBACK (entry_focus_in_event_cb),
+                         self);
 
        /* expand button */