[gedit] open file selector: get the styles in style-updated

[Paolo Borelli <pborelli src gnome org>]

commit 7c76491a3d908f7a314d41f133530fc3f9ac26a6
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Aug 16 16:37:22 2015 +0200

    open file selector: get the styles in style-updated
    
    Now that we know that the performance problem is solved by properly
    using save/restore, it is better if we init the font and color
    in the style-updated handler, so that we react to theme changes.

 gedit/gedit-open-document-selector.c |   47 +++++++++++++++++++++------------
 1 files changed, 30 insertions(+), 17 deletions(-)
---
diff --git a/gedit/gedit-open-document-selector.c b/gedit/gedit-open-document-selector.c
index 29dfd83..07b6827 100644
--- a/gedit/gedit-open-document-selector.c
+++ b/gedit/gedit-open-document-selector.c
@@ -1040,6 +1040,31 @@ on_treeview_allocate (GtkWidget                 *widget,
 }
 
 static void
+on_treeview_style_updated (GtkWidget                 *widget,
+                           GeditOpenDocumentSelector *selector)
+{
+       GtkStyleContext *context;
+       GtkStateFlags state;
+
+       context = gtk_widget_get_style_context (widget);
+       state = gtk_style_context_get_state (context);
+
+       /* Name label foreground and font size styling */
+       gtk_style_context_save (context);
+       gtk_style_context_add_class (context, "open-document-selector-name-label");
+       gtk_style_context_get_color (context, state, &selector->name_label_color);
+       gtk_style_context_get (context, state, "font-size", &selector->name_font_size, NULL);
+       gtk_style_context_restore (context);
+
+       /* Path label foreground and font size styling */
+       gtk_style_context_save (context);
+       gtk_style_context_add_class (context, "open-document-selector-path-label");
+       gtk_style_context_get_color (context, state, &selector->path_label_color);
+       gtk_style_context_get (context, state, "font-size", &selector->path_font_size, NULL);
+       gtk_style_context_restore (context);
+}
+
+static void
 name_renderer_datafunc (GtkTreeViewColumn         *column,
                         GtkCellRenderer           *name_renderer,
                         GtkTreeModel              *liststore,
@@ -1067,7 +1092,6 @@ setup_treeview (GeditOpenDocumentSelector *selector)
        GtkTreeViewColumn *column;
        GtkCellArea *cell_area;
        GtkStyleContext *context;
-       GtkStateFlags state;
 
        gtk_tree_view_set_model (GTK_TREE_VIEW (selector->treeview), GTK_TREE_MODEL (selector->liststore));
        g_object_unref(GTK_TREE_MODEL (selector->liststore));
@@ -1094,22 +1118,6 @@ setup_treeview (GeditOpenDocumentSelector *selector)
        context = gtk_widget_get_style_context (selector->treeview);
        gtk_style_context_add_class (context, "open-document-selector-treeview");
 
-       state = gtk_style_context_get_state (context);
-
-       /* Name label foreground and font size styling */
-       gtk_style_context_save (context);
-       gtk_style_context_add_class (context, "open-document-selector-name-label");
-       gtk_style_context_get_color (context, state, &selector->name_label_color);
-       gtk_style_context_get (context, state, "font-size", &selector->name_font_size, NULL);
-       gtk_style_context_restore (context);
-
-       /* Path label foreground and font size styling */
-       gtk_style_context_save (context);
-       gtk_style_context_add_class (context, "open-document-selector-path-label");
-       gtk_style_context_get_color (context, state, &selector->path_label_color);
-       gtk_style_context_get (context, state, "font-size", &selector->path_font_size, NULL);
-       gtk_style_context_restore (context);
-
        gtk_tree_view_column_set_cell_data_func (column,
                                                 selector->name_renderer,
                                                 (GtkTreeCellDataFunc)name_renderer_datafunc,
@@ -1159,6 +1167,11 @@ gedit_open_document_selector_init (GeditOpenDocumentSelector *selector)
                          "key-press-event",
                          G_CALLBACK (on_treeview_key_press),
                          selector);
+
+       g_signal_connect (selector->treeview,
+                         "style-updated",
+                         G_CALLBACK (on_treeview_style_updated),
+                         selector);
 }
 
 GeditOpenDocumentSelector *