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#include <gtk/gtk.h>
static void
test_init_of_theme (void)
{
GtkStyleContext *context;
GtkCssProvider *provider;
GtkWidgetPath *path;
GdkRGBA before, after;
char *css;
/* Test that a style context actually uses the theme loaded for the
* screen it is using. If no screen is set, it's the default one.
*/
context = gtk_style_context_new ();
path = gtk_widget_path_new ();
/* Set a path that will have a color set.
* (This could actually fail if style classes change, so if this test
* fails, make sure to have this path represent something sane.)
*/
gtk_widget_path_append_type (path, GTK_TYPE_WINDOW);
gtk_widget_path_iter_add_class (path, -1, GTK_STYLE_CLASS_BACKGROUND);
gtk_style_context_set_path (context, path);
gtk_widget_path_free (path);
/* Get the color. This should be initialized by the theme and not be
* the default. */
gtk_style_context_get_color (context, &before);
/* Add a style that sets a different color for this widget.
* This style has a higher priority than fallback, but a lower
* priority than the theme. */
css = g_strdup_printf (".background { color: %s; }",
before.alpha < 0.5 ? "black" : "transparent");
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css, -1);
gtk_style_context_add_provider (context,
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_FALLBACK + 1);
g_object_unref (provider);
/* Get the color again. */
gtk_style_context_get_color (context, &after);
/* Because the style we added does not influence the color,
* the before and after colors should be identical. */
g_assert (gdk_rgba_equal (&before, &after));
g_object_unref (context);
}
int
main (int argc, char *argv[])
{
gtk_init ();
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/style/init_of_theme", test_init_of_theme);
return g_test_run ();
}
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