[network-manager-applet] applet: port to GtkStyleContext (bgo #636881)

[Dan Williams <dcbw src gnome org>]

commit 243b01c71a2d22825325a53a09968543f0662f55
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Dec 9 11:17:14 2010 -0600

    applet: port to GtkStyleContext (bgo #636881)

 configure.ac |    2 +-
 src/applet.c |   18 +++++++++++++++---
 2 files changed, 16 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a0ce1ea..99d2614 100644
--- a/configure.ac
+++ b/configure.ac
@@ -84,7 +84,7 @@ case "${with_gtk2}" in
 	yes)	PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.20)
 		gtkver=2
 		;;
-	*)	PKG_CHECK_MODULES(GTK, gtk+-3.0 >= 2.90)
+	*)	PKG_CHECK_MODULES(GTK, gtk+-3.0 >= 2.91.6)
 		;;
 esac
 AM_CONDITIONAL(USE_GTK2, test x"$gtkver" = "x2")
diff --git a/src/applet.c b/src/applet.c
index 7f52f1d..9247638 100644
--- a/src/applet.c
+++ b/src/applet.c
@@ -482,7 +482,6 @@ static gboolean
 menu_title_item_expose (GtkWidget *widget, GdkEventExpose *event)
 {
 	GtkAllocation allocation;
-	GtkStyle *style;
 	GtkWidget *label;
 	PangoFontDescription *desc;
 	cairo_t *cr;
@@ -515,8 +514,21 @@ menu_title_item_expose (GtkWidget *widget, GdkEventExpose *event)
 	text = gtk_label_get_text (GTK_LABEL (label));
 
 	layout = pango_cairo_create_layout (cr);
-	style = gtk_widget_get_style (widget);
-	desc = pango_font_description_copy (style->font_desc);
+#if GTK_CHECK_VERSION(2,20,0) && !GTK_CHECK_VERSION(2,91,6)
+        {
+                GtkStyle *style;
+                style = gtk_widget_get_style (widget);
+                desc = pango_font_description_copy (style->font_desc);
+        }
+#else
+        {
+                GtkStyleContext *style;
+                style = gtk_widget_get_style_context (widget);
+                gtk_style_context_get (style, gtk_style_context_get_state (style),
+                                       "font", &desc,
+                                       NULL);
+        }
+#endif
 	pango_font_description_set_variant (desc, PANGO_VARIANT_SMALL_CAPS);
 	pango_font_description_set_weight (desc, PANGO_WEIGHT_SEMIBOLD);
 	pango_layout_set_font_description (layout, desc);