[gnome-dictionary] prefs: update buttons sensitivity on selection

[Juan R. Garcia Blanco <juanrgar src gnome org>]

commit 24cd76c55e5655fe5842693f20879cf79ef4c709
Author: Juan R. García Blanco <juanrgar gmail com>
Date:   Mon Dec 29 12:52:40 2014 +0100

    prefs: update buttons sensitivity on selection
    
        * gdict-pref-dialog.c: handle GtkTreeView::cursor-changed signal
        to update sensitivity of Remove and Edit buttons. Modify
        GtkTreeView::row-activated to show VIEW dialog.
        * See https://bugzilla.gnome.org/show_bug.cgi?id=528956

 src/gdict-pref-dialog.c |   43 +++++++++++++++++++++++++++++++++++++++----
 1 files changed, 39 insertions(+), 4 deletions(-)
---
diff --git a/src/gdict-pref-dialog.c b/src/gdict-pref-dialog.c
index 55e73a1..f31dfb8 100644
--- a/src/gdict-pref-dialog.c
+++ b/src/gdict-pref-dialog.c
@@ -129,6 +129,37 @@ select_active_source_name (GtkTreeModel *model,
 }
 
 static void
+sources_view_cursor_changed_cb (GtkTreeView       *tree_view,
+                               GdictPrefDialog   *dialog)
+{
+  GtkTreeSelection *selection;
+  GtkTreeModel *model;
+  GtkTreeIter iter;
+  GdictSource *source;
+  gboolean is_selected;
+  gchar *name;
+
+  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->sources_view));
+  if (!selection)
+    return;
+
+  is_selected = gtk_tree_selection_get_selected (selection, &model, &iter);
+  if (!is_selected)
+    return;
+
+  gtk_tree_model_get (model, &iter, SOURCES_NAME_COLUMN, &name, -1);
+  if (!name)
+    return;
+  else
+    {
+      source = gdict_source_loader_get_source (dialog->loader, name);
+      gtk_widget_set_sensitive (dialog->sources_edit, gdict_source_is_editable (source));
+      gtk_widget_set_sensitive (dialog->sources_remove, gdict_source_is_editable (source));
+      g_object_unref (source);
+    }
+}
+
+static void
 update_sources_view (GdictPrefDialog *dialog)
 {
   const GSList *sources, *l;
@@ -171,6 +202,7 @@ update_sources_view (GdictPrefDialog *dialog)
   gtk_tree_model_foreach (GTK_TREE_MODEL (dialog->sources_list),
                          select_active_source_name,
                          dialog);
+  sources_view_cursor_changed_cb (GTK_TREE_VIEW(dialog->sources_view), dialog);
 }
 
 static void
@@ -236,10 +268,10 @@ sources_view_row_activated_cb (GtkTreeView       *tree_view,
     return;
   
   edit_dialog = gdict_source_dialog_new (GTK_WINDOW (dialog),
-                                        _("Edit Dictionary Source"),
-                                        GDICT_SOURCE_DIALOG_EDIT,
-                                        dialog->loader,
-                                        source_name);
+                                        _("View Dictionary Source"),
+                                        GDICT_SOURCE_DIALOG_VIEW,
+                                        dialog->loader,
+                                        source_name);
   gtk_dialog_run (GTK_DIALOG (edit_dialog));
 
   gtk_widget_destroy (edit_dialog);
@@ -291,6 +323,9 @@ build_sources_view (GdictPrefDialog *dialog)
   g_signal_connect (dialog->sources_view, "row-activated",
                    G_CALLBACK (sources_view_row_activated_cb),
                    dialog);
+  g_signal_connect (dialog->sources_view, "cursor-changed",
+                   G_CALLBACK (sources_view_cursor_changed_cb),
+                   dialog);
 }
 
 static void