[gtk+] Revert "GtkAssistant: Drop use of GtkMisc"

[Matthias Clasen <matthiasc src gnome org>]

commit fdb13b6ef5bd30e4621f091a0a1766eb499ef931
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 15 21:05:08 2014 -0400

    Revert "GtkAssistant: Drop use of GtkMisc"
    
    This reverts commit 687eae4b513b367aaff2ad89457e874b935ce3d0.
    
    Still not a solved problem.

 gtk/gtkassistant.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkassistant.c b/gtk/gtkassistant.c
index 64a8089..444890f 100644
--- a/gtk/gtkassistant.c
+++ b/gtk/gtkassistant.c
@@ -1758,8 +1758,15 @@ gtk_assistant_insert_page (GtkAssistant *assistant,
   page_info->current_title = gtk_label_new (NULL);
   gtk_widget_set_no_show_all (page_info->current_title, TRUE);
 
-  gtk_widget_set_halign (page_info->regular_title, GTK_ALIGN_START);
-  gtk_widget_set_halign (page_info->current_title, GTK_ALIGN_START);
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+  /* Note: we need to use misc alignment here as long as GtkLabel
+   * pays attention to it. GtkWiget::halign is ineffective, since
+   * all the labels are getting the same size anyway, due to the
+   * size group.
+   */
+  gtk_misc_set_alignment (GTK_MISC (page_info->regular_title), 0, 0.5);
+  gtk_misc_set_alignment (GTK_MISC (page_info->current_title), 0, 0.5);
+G_GNUC_END_IGNORE_DEPRECATIONS
 
   gtk_widget_show (page_info->regular_title);
   gtk_widget_hide (page_info->current_title);