[Xfce4-commits] [panel-plugins/xfce4-datetime-plugin] 11/17: Use a GtkCssProvider to set the font with Gtk>=3.16.

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landry pushed a commit to branch master
in repository panel-plugins/xfce4-datetime-plugin.

commit ce5b9561e08f8a34160ec1d7c55e45db9846e965
Author: Landry Breuil <landry at xfce.org>
Date:   Sun May 1 11:31:07 2016 +0200

    Use a GtkCssProvider to set the font with Gtk>=3.16.
    
    Use gtk_widget_override_font() otherwise.
---
 panel-plugin/datetime.c | 44 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 42 insertions(+), 2 deletions(-)

diff --git a/panel-plugin/datetime.c b/panel-plugin/datetime.c
index 89387fb..c43f700 100644
--- a/panel-plugin/datetime.c
+++ b/panel-plugin/datetime.c
@@ -344,26 +344,66 @@ static gboolean datetime_clicked(GtkWidget *widget,
 
 static void datetime_update_date_font(t_datetime *datetime)
 {
+#if GTK_CHECK_VERSION (3, 16, 0)
+    GtkCssProvider *css_provider;
+    gchar * css;
+#if GTK_CHECK_VERSION (3, 20, 0)
+    css = g_strdup_printf("label { font: %s; }",
+#else
+    css = g_strdup_printf(".label { font: %s; }",
+#endif
+                          datetime->date_font);
+    /* Setup Gtk style */
+    DBG("css: %s",css);
+    css_provider = gtk_css_provider_new ();
+    gtk_css_provider_load_from_data (css_provider, css, strlen(css), NULL);
+    gtk_style_context_add_provider (
+        GTK_STYLE_CONTEXT (gtk_widget_get_style_context (GTK_WIDGET (datetime->date_label))),
+        GTK_STYLE_PROVIDER (css_provider),
+        GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+    g_free(css);
+#else
   PangoFontDescription *font;
   font = pango_font_description_from_string(datetime->date_font);
 
   if (G_LIKELY (font))
   {
-    gtk_widget_modify_font(datetime->date_label, font);
+    gtk_widget_override_font(datetime->date_label, font);
     pango_font_description_free (font);
   }
+#endif
 }
 
 static void datetime_update_time_font(t_datetime *datetime)
 {
+#if GTK_CHECK_VERSION (3, 16, 0)
+    GtkCssProvider *css_provider;
+    gchar * css;
+#if GTK_CHECK_VERSION (3, 20, 0)
+    css = g_strdup_printf("label { font: %s; }",
+#else
+    css = g_strdup_printf(".label { font: %s; }",
+#endif
+                          datetime->time_font);
+    /* Setup Gtk style */
+    DBG("css: %s",css);
+    css_provider = gtk_css_provider_new ();
+    gtk_css_provider_load_from_data (css_provider, css, strlen(css), NULL);
+    gtk_style_context_add_provider (
+        GTK_STYLE_CONTEXT (gtk_widget_get_style_context (GTK_WIDGET (datetime->time_label))),
+        GTK_STYLE_PROVIDER (css_provider),
+        GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+    g_free(css);
+#else
   PangoFontDescription *font;
   font = pango_font_description_from_string(datetime->time_font);
 
   if (G_LIKELY (font))
   {
-    gtk_widget_modify_font(datetime->time_label, font);
+    gtk_widget_override_font(datetime->time_label, font);
     pango_font_description_free (font);
   }
+#endif
 }
 
 static void datetime_set_update_interval(t_datetime *datetime)

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