[glade/glade-3-8] Improved pango text integer attributes editors. Make the spin button numeric and clear the attr if t

[Juan Pablo Ugarte <jpu src gnome org>]

commit ce39d7e3d59c07ebaaf2239b5a8440b47e5c2efd
Author: Juan Pablo Ugarte <juanpablougarte gmail com>
Date:   Fri Sep 13 23:55:32 2013 -0300

    Improved pango text integer attributes editors.
    Make the spin button numeric and clear the attr if the new text is an empty string!
    
    This should be enough to close Bug 679006
    "The "size" attribute for labels only accepts integer values (not strings like "larger")"

 plugins/gtk+/glade-attributes.c |   20 +++++++++++++++-----
 1 files changed, 15 insertions(+), 5 deletions(-)
---
diff --git a/plugins/gtk+/glade-attributes.c b/plugins/gtk+/glade-attributes.c
index e566bbe..4d54a99 100644
--- a/plugins/gtk+/glade-attributes.c
+++ b/plugins/gtk+/glade-attributes.c
@@ -780,7 +780,7 @@ value_combo_spin_edited (GtkCellRendererText *cell,
                            -1);
 
        /* Reset the column */
-       if (new_text && strcmp (new_text, _("None")) == 0)
+       if (new_text && (*new_text == '\0' || strcmp (new_text, _("None")) == 0))
        {
                gtk_list_store_set (GTK_LIST_STORE (eprop_attrs->model), &iter,
                                    COLUMN_TEXT, _("<Enter Value>"),
@@ -799,6 +799,16 @@ value_combo_spin_edited (GtkCellRendererText *cell,
 
        sync_object (eprop_attrs, FALSE);
 
+
+}
+
+static void
+value_combo_spin_editing_started (GtkCellRenderer *cell,
+                                  GtkCellEditable *editable,
+                                  const gchar     *path)
+{
+  if (GTK_IS_SPIN_BUTTON (editable))
+    gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (editable), TRUE);
 }
 
 static GtkWidget *
@@ -908,7 +918,7 @@ glade_eprop_attrs_view (GladeEditorProperty *eprop)
 
        /* Spin renderer */
        renderer = gtk_cell_renderer_spin_new ();
-       adjustment = (GtkAdjustment *)gtk_adjustment_new (0, -G_MAXDOUBLE, G_MAXDOUBLE, 100, 100, 100);
+       adjustment = (GtkAdjustment *)gtk_adjustment_new (0, -G_MAXDOUBLE, G_MAXDOUBLE, 100, 100, 0);
        g_object_set (G_OBJECT (renderer), "adjustment", adjustment, NULL);
        gtk_tree_view_column_pack_start (column, renderer, TRUE);
        gtk_tree_view_column_set_attributes (column, renderer, 
@@ -921,6 +931,8 @@ glade_eprop_attrs_view (GladeEditorProperty *eprop)
                                             NULL);
        g_signal_connect (G_OBJECT (renderer), "edited",
                          G_CALLBACK (value_combo_spin_edited), eprop);
+       g_signal_connect (G_OBJECT (renderer), "editing-started",
+                         G_CALLBACK (value_combo_spin_editing_started), NULL);
 
        gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
        gtk_tree_view_append_column (GTK_TREE_VIEW (view_widget), column);
@@ -996,11 +1008,9 @@ glade_eprop_attrs_show_dialog (GtkWidget           *dialog_button,
 {
        GladeEPropAttrs  *eprop_attrs = GLADE_EPROP_ATTRS (eprop);
        GtkWidget        *dialog, *parent, *vbox, *sw, *tree_view;
-       GladeProject     *project;
        GList            *old_attributes;
        gint              res;
-       
-       project = glade_widget_get_project (eprop->property->widget);
+
        parent = gtk_widget_get_toplevel (GTK_WIDGET (eprop));