forked from AuroraMiddleware/gtk
750eaf53d6
When creating a style context, the CSS for the theme might not be loaded. If it is, this test will succeed. https://bugzilla.redhat.com/show_bug.cgi?id=1064922 https://bugzilla.mozilla.org/show_bug.cgi?id=972382
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
#include <gtk/gtk.h>
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static void
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test_init_of_theme (void)
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{
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GtkStyleContext *context;
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GtkCssProvider *provider;
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GtkWidgetPath *path;
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GdkRGBA before, after;
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char *css;
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/* Test that a style context actually uses the theme loaded for the
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* screen it is using. If no screen is set, it's the default one.
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*/
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context = gtk_style_context_new ();
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path = gtk_widget_path_new ();
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/* Set a path that will have a color set.
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* (This could actually fail if style classes change, so if this test
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* fails, make sure to have this path represent something sane.)
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*/
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gtk_widget_path_append_type (path, GTK_TYPE_WINDOW);
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gtk_widget_path_iter_add_class (path, -1, GTK_STYLE_CLASS_BACKGROUND);
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gtk_style_context_set_path (context, path);
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gtk_widget_path_free (path);
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/* Get the color. This should be initialized by the theme and not be
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* the default. */
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gtk_style_context_get_color (context, 0, &before);
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/* Add a style that sets a different color for this widget.
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* This style has a higher priority than fallback, but a lower
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* priority than the theme. */
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css = g_strdup_printf (".background { color: %s; }",
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before.alpha < 0.5 ? "black" : "transparent");
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provider = gtk_css_provider_new ();
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gtk_css_provider_load_from_data (provider, css, -1, NULL);
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gtk_style_context_add_provider (context,
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GTK_STYLE_PROVIDER (provider),
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GTK_STYLE_PROVIDER_PRIORITY_FALLBACK + 1);
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g_object_unref (provider);
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/* Get the color again. */
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gtk_style_context_get_color (context, 0, &after);
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/* Because the style we added does not influence the color,
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* the before and after colors should be identical. */
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g_assert (gdk_rgba_equal (&before, &after));
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g_object_unref (context);
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}
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int
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main (int argc, char *argv[])
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{
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/* If gdk_init() is called before gtk_init() the GTK code takes
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* a different path (why?)
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*/
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gdk_init (NULL, NULL);
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gtk_init (NULL, NULL);
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g_test_init (&argc, &argv, NULL);
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g_test_add_func ("/style/init_of_theme", test_init_of_theme);
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return g_test_run ();
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}
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