[gnome-shell/wip/carlosg/cleanup-gtk-usage] st: Use GSettings for primary-paste setting

[Carlos Garnacho <carlosg src gnome org>]

commit 1be03269e5baf54e1d5fa5857cfdf5334f819ae2
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jan 30 19:56:18 2019 +0100

    st: Use GSettings for primary-paste setting
    
    If middle-click happens, check whether the setting is enabled
    and paste primary selection if so.

 src/st/st-entry.c | 44 +++++++++++++++++++++++++-------------------
 1 file changed, 25 insertions(+), 19 deletions(-)
---
diff --git a/src/st/st-entry.c b/src/st/st-entry.c
index 4fdfda0e3..fdfcca2e4 100644
--- a/src/st/st-entry.c
+++ b/src/st/st-entry.c
@@ -644,29 +644,35 @@ clutter_text_button_press_event (ClutterActor       *actor,
                                  gpointer            user_data)
 {
   StEntryPrivate *priv = ST_ENTRY_PRIV (user_data);
-  GtkSettings *settings = gtk_settings_get_default ();
-  gboolean primary_paste_enabled;
 
-  g_object_get (settings,
-                "gtk-enable-primary-paste", &primary_paste_enabled,
-                NULL);
-
-  if (primary_paste_enabled && event->button == 2
-      && clutter_text_get_editable (CLUTTER_TEXT (priv->entry)))
+  if (event->button == 2 &&
+      clutter_text_get_editable (CLUTTER_TEXT (priv->entry)))
     {
-      StClipboard *clipboard;
+      GSettings *settings;
+      gboolean primary_paste_enabled;
 
-      clipboard = st_clipboard_get_default ();
+      settings = g_settings_new ("org.gnome.desktop.interface");
+      primary_paste_enabled =
+        g_settings_get_boolean (settings, "gtk-enable-primary-paste");
 
-      /* By the time the clipboard callback is called,
-       * the rest of the signal handlers will have
-       * run, making the text cursor to be in the correct
-       * place.
-       */
-      st_clipboard_get_text (clipboard,
-                             ST_CLIPBOARD_TYPE_PRIMARY,
-                             st_entry_clipboard_callback,
-                             user_data);
+      if (primary_paste_enabled)
+        {
+          StClipboard *clipboard;
+
+          clipboard = st_clipboard_get_default ();
+
+          /* By the time the clipboard callback is called,
+           * the rest of the signal handlers will have
+           * run, making the text cursor to be in the correct
+           * place.
+           */
+          st_clipboard_get_text (clipboard,
+                                 ST_CLIPBOARD_TYPE_PRIMARY,
+                                 st_entry_clipboard_callback,
+                                 user_data);
+        }
+
+      g_object_unref (settings);
     }
 
   return FALSE;