gtk2/gtk/tests/stylecontext.c

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#include <gtk/gtk.h>
static void
test_parse_selectors (void)
{
GtkCssProvider *provider;
GError *error;
gboolean res;
gint i;
const gchar *valid[] = {
"* {}",
"E {}",
"E F {}",
"E > F {}",
"E#id {}",
"#id {}",
"tab:first-child {}",
"tab:last-child {}",
"tab:nth-child(first) {}",
"tab:nth-child(last) {}",
"tab:nth-child(even) {}",
"tab:nth-child(odd) {}",
"tab:sorted {}",
".some-class {}",
".some-class.another-class {}",
".some-class .another-class {}",
"E * {}",
"E .class {}",
"E > .foo {}",
"E > #id {}",
"E:active {}",
"E:prelight {}",
"E:hover {}",
"E:selected {}",
"E:insensitive {}",
"E:inconsistent {}",
"E:focused {}",
"E:active:prelight {}",
"* > .notebook tab:first-child .label:focused {}",
"E, F {}",
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"E, F /* comment here */ {}",
"E,/* comment here */ F {}",
"E1.e1_2 #T3_4 {}",
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"E:first-child {}",
"E:last-child {}",
"E:nth-child(first) {}",
"E:nth-child(last) {}",
"E:nth-child(even) {}",
"E:nth-child(odd) {}",
"E:sorted {}",
"E:focused tab {}",
NULL
};
error = NULL;
for (i = 0; valid[i]; i++)
{
provider = gtk_css_provider_new ();
res = gtk_css_provider_load_from_data (provider, valid[i], -1, &error);
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if (error)
g_print ("parsing '%s': got unexpected error: %s\n", valid[i], error->message);
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g_assert_no_error (error);
g_assert (res);
g_object_unref (provider);
}
}
static void
test_path (void)
{
GtkWidgetPath *path;
GtkWidgetPath *path2;
gint pos;
GtkRegionFlags flags;
path = gtk_widget_path_new ();
g_assert_cmpint (gtk_widget_path_length (path), ==, 0);
pos = gtk_widget_path_append_type (path, GTK_TYPE_WINDOW);
g_assert_cmpint (pos, ==, 0);
g_assert_cmpint (gtk_widget_path_length (path), ==, 1);
g_assert (gtk_widget_path_iter_get_object_type (path, 0) == GTK_TYPE_WINDOW);
g_assert (gtk_widget_path_is_type (path, GTK_TYPE_WIDGET));
g_assert (gtk_widget_path_iter_get_name (path, 0) == NULL);
pos = gtk_widget_path_append_type (path, GTK_TYPE_WIDGET);
g_assert_cmpint (pos, ==, 1);
g_assert_cmpint (gtk_widget_path_length (path), ==, 2);
gtk_widget_path_iter_set_object_type (path, pos, GTK_TYPE_BUTTON);
g_assert (gtk_widget_path_is_type (path, GTK_TYPE_BUTTON));
g_assert (gtk_widget_path_has_parent (path, GTK_TYPE_WIDGET));
g_assert (gtk_widget_path_has_parent (path, GTK_TYPE_WINDOW));
g_assert (!gtk_widget_path_has_parent (path, GTK_TYPE_DIALOG));
g_assert (gtk_widget_path_iter_get_name (path, 1) == NULL);
gtk_widget_path_iter_set_name (path, 1, "name");
g_assert (gtk_widget_path_iter_has_name (path, 1, "name"));
gtk_widget_path_iter_add_class (path, 1, "class1");
gtk_widget_path_iter_add_class (path, 1, "class2");
g_assert (gtk_widget_path_iter_has_class (path, 1, "class1"));
g_assert (gtk_widget_path_iter_has_class (path, 1, "class2"));
g_assert (!gtk_widget_path_iter_has_class (path, 1, "class3"));
path2 = gtk_widget_path_copy (path);
g_assert (gtk_widget_path_iter_has_class (path2, 1, "class1"));
g_assert (gtk_widget_path_iter_has_class (path2, 1, "class2"));
g_assert (!gtk_widget_path_iter_has_class (path2, 1, "class3"));
gtk_widget_path_free (path2);
gtk_widget_path_iter_remove_class (path, 1, "class2");
g_assert (gtk_widget_path_iter_has_class (path, 1, "class1"));
g_assert (!gtk_widget_path_iter_has_class (path, 1, "class2"));
gtk_widget_path_iter_clear_classes (path, 1);
g_assert (!gtk_widget_path_iter_has_class (path, 1, "class1"));
gtk_widget_path_iter_add_region (path, 1, "tab", 0);
gtk_widget_path_iter_add_region (path, 1, "title", GTK_REGION_EVEN | GTK_REGION_FIRST);
g_assert (gtk_widget_path_iter_has_region (path, 1, "tab", &flags) &&
flags == 0);
g_assert (gtk_widget_path_iter_has_region (path, 1, "title", &flags) &&
flags == (GTK_REGION_EVEN | GTK_REGION_FIRST));
g_assert (!gtk_widget_path_iter_has_region (path, 1, "extension", NULL));
path2 = gtk_widget_path_copy (path);
g_assert (gtk_widget_path_iter_has_region (path2, 1, "tab", &flags) &&
flags == 0);
g_assert (gtk_widget_path_iter_has_region (path2, 1, "title", &flags) &&
flags == (GTK_REGION_EVEN | GTK_REGION_FIRST));
g_assert (!gtk_widget_path_iter_has_region (path2, 1, "extension", NULL));
gtk_widget_path_free (path2);
gtk_widget_path_free (path);
}
static void
test_match (void)
{
GtkStyleContext *context;
GtkWidgetPath *path;
GtkCssProvider *provider;
GError *error;
const gchar *data;
GdkRGBA color;
GdkRGBA expected;
error = NULL;
provider = gtk_css_provider_new ();
gdk_rgba_parse (&expected, "#fff");
context = gtk_style_context_new ();
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_WINDOW);
gtk_widget_path_append_type (path, GTK_TYPE_BOX);
gtk_widget_path_append_type (path, GTK_TYPE_BUTTON);
gtk_widget_path_iter_set_name (path, 0, "mywindow");
gtk_widget_path_iter_add_class (path, 2, "button");
gtk_style_context_set_path (context, path);
gtk_widget_path_free (path);
gtk_style_context_add_provider (context,
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_USER);
data = "* { color: #fff }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
data = "* { color: #f00 }\n"
"GtkButton { color: #fff }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
data = "* { color: #f00 }\n"
"GtkButton { color: #fff }\n"
"GtkWindow > GtkButton { color: #000 }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
data = "* { color: #f00 }\n"
".button { color: #fff }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
data = "* { color: #f00 }\n"
"GtkButton { color: #000 }\n"
".button { color: #fff }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
data = "* { color: #f00 }\n"
"GtkButton { color: #000 }\n"
"GtkWindow GtkButton { color: #fff }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
data = "* { color: #f00 }\n"
".button { color: #000 }\n"
"GtkWindow .button { color: #fff }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
data = "* { color: #f00 }\n"
"* .button { color: #000 }\n"
"#mywindow .button { color: #fff }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
data = "* { color: #f00 }\n"
"GtkWindow .button { color: #000 }\n"
"GtkWindow#mywindow .button { color: #fff }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
data = "* { color: #f00 }\n"
"GtkWindow .button { color: #000 }\n"
"GObject .button { color: #fff }";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &color);
g_assert (gdk_rgba_equal (&color, &expected));
g_object_unref (provider);
g_object_unref (context);
}
static void
test_style_property (void)
{
GtkStyleContext *context;
GtkWidgetPath *path;
GtkCssProvider *provider;
GError *error;
const gchar *data;
gint x;
GdkRGBA color;
GdkRGBA expected;
error = NULL;
provider = gtk_css_provider_new ();
context = gtk_style_context_new ();
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_WINDOW);
gtk_widget_path_append_type (path, GTK_TYPE_BOX);
gtk_widget_path_append_type (path, GTK_TYPE_BUTTON);
gtk_style_context_set_path (context, path);
gtk_widget_path_free (path);
gtk_style_context_set_state (context, GTK_STATE_FLAG_PRELIGHT);
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/* Since we set the prelight state on the context, we expect
* only the third selector to match, even though the second one
* has higher specificity, and the fourth one comes later.
*
* In particular, we want to verify that widget style properties and
* CSS properties follow the same matching rules, ie we expect
* color to be #003 and child-displacement-x to be 3.
*/
data = "GtkButton:insensitive { color: #001; -GtkButton-child-displacement-x: 1 }\n"
"GtkBox GtkButton:selected { color: #002; -GtkButton-child-displacement-x: 2 }\n"
"GtkButton:prelight { color: #003; -GtkButton-child-displacement-x: 3 }\n"
"GtkButton:focused { color: #004; -GtkButton-child-displacement-x: 4 }\n";
gtk_css_provider_load_from_data (provider, data, -1, &error);
g_assert_no_error (error);
gtk_style_context_add_provider (context,
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_USER);
gtk_style_context_invalidate (context);
gtk_style_context_get_color (context, GTK_STATE_FLAG_PRELIGHT, &color);
gdk_rgba_parse (&expected, "#003");
g_assert (gdk_rgba_equal (&color, &expected));
gtk_style_context_get_style (context, "child-displacement-x", &x, NULL);
g_assert_cmpint (x, ==, 3);
g_object_unref (provider);
g_object_unref (context);
}
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void
test_basic_properties (void)
{
GtkStyleContext *context;
GtkWidgetPath *path;
GdkRGBA *color;
GdkRGBA *bg_color;
PangoFontDescription *font;
context = gtk_style_context_new ();
path = gtk_widget_path_new ();
gtk_style_context_set_path (context, path);
gtk_widget_path_free (path);
gtk_style_context_get (context, 0,
"color", &color,
"background-color", &bg_color,
"font", &font,
NULL);
g_assert (color != NULL);
g_assert (bg_color != NULL);
g_assert (font != NULL);
gdk_rgba_free (color);
gdk_rgba_free (bg_color);
pango_font_description_free (font);
g_object_unref (context);
}
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int
main (int argc, char *argv[])
{
gtk_init (NULL, NULL);
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g_test_init (&argc, &argv, NULL);
g_test_add_func ("/style/parse/selectors", test_parse_selectors);
g_test_add_func ("/style/path", test_path);
g_test_add_func ("/style/match", test_match);
g_test_add_func ("/style/style-property", test_style_property);
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g_test_add_func ("/style/basic", test_basic_properties);
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return g_test_run ();
}