[gtksourceview] completion: use textview font on proposal cell renderer.

[Christian Hergert <chergert src gnome org>]

commit 84b4a6a113701f2ce8e668b209c498fc19e8714e
Author: Christian Hergert <christian hergert me>
Date:   Mon Aug 26 21:07:11 2013 -0700

    completion: use textview font on proposal cell renderer.
    
    This should ensure that our fonts match between the textview and
    the proposal cellrenderer. Once they are aligned, things should
    look pretty good.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706466

 gtksourceview/gtksourcecompletion.c |   27 +++++++++++++++++++++++++++
 1 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/gtksourceview/gtksourcecompletion.c b/gtksourceview/gtksourcecompletion.c
index 3c47c6e..b06ba3f 100644
--- a/gtksourceview/gtksourcecompletion.c
+++ b/gtksourceview/gtksourcecompletion.c
@@ -151,6 +151,8 @@ struct _GtkSourceCompletionPrivate
        /* List of proposals */
        GtkTreeView *tree_view_proposals;
 
+       GtkCellRenderer *cell_renderer_proposal;
+
        /* Completion management */
 
        GtkSourceCompletionModel *model_proposals;
@@ -1445,6 +1447,21 @@ update_bottom_bar_visibility (GtkSourceCompletion *completion)
 }
 
 static void
+style_context_changed (GtkStyleContext     *style_context,
+                      GtkSourceCompletion *completion)
+{
+       PangoFontDescription *font_desc = NULL;
+
+       gtk_style_context_get (style_context, GTK_STATE_FLAG_NORMAL,
+                              GTK_STYLE_PROPERTY_FONT, &font_desc,
+                              NULL);
+       g_object_set (completion->priv->cell_renderer_proposal,
+                     "font-desc", font_desc,
+                     NULL);
+       pango_font_description_free (font_desc);
+}
+
+static void
 populating_done (GtkSourceCompletion        *completion,
                  GtkSourceCompletionContext *context)
 {
@@ -1508,6 +1525,7 @@ static void
 connect_view (GtkSourceCompletion *completion)
 {
        GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (completion->priv->view));
+       GtkStyleContext *style_context = gtk_widget_get_style_context (GTK_WIDGET (completion->priv->view));
 
        g_signal_connect_object (completion->priv->view,
                                 "focus-out-event",
@@ -1582,6 +1600,14 @@ connect_view (GtkSourceCompletion *completion)
                                         G_CALLBACK (buffer_insert_text_cb),
                                         completion,
                                         G_CONNECT_AFTER);
+
+       g_signal_connect_object (style_context,
+                                "changed",
+                                G_CALLBACK (style_context_changed),
+                                completion,
+                                G_CONNECT_AFTER);
+
+       style_context_changed (style_context, completion);
 }
 
 static void
@@ -2193,6 +2219,7 @@ init_tree_view (GtkSourceCompletion *completion,
        /* Proposal text cell renderer */
 
        cell_renderer = GTK_CELL_RENDERER (gtk_builder_get_object (builder, "cell_renderer_proposal"));
+       completion->priv->cell_renderer_proposal = cell_renderer;
 
        gtk_tree_view_column_set_attributes (column, cell_renderer,
                                             "markup", GTK_SOURCE_COMPLETION_MODEL_COLUMN_MARKUP,