std::string dumpStyleContext(GtkStyleContext* a_StyleContext)
{
// char* contextDump = gtk_style_context_to_string(a_StyleContext, GTK_STYLE_CONTEXT_PRINT_RECURSE);
const GtkWidgetPath* widgetPath = gtk_style_context_get_path(a_StyleContext);
char* contextDump = gtk_widget_path_to_string(widgetPath);
std::string result = contextDump;
g_free(contextDump);
return result;
}
static GtkStyleContext *
get_style (GtkStyleContext *parent,
const char *selector)
{
GtkWidgetPath *path;
if (parent)
path = gtk_widget_path_copy (gtk_style_context_get_path (parent));
else
path = gtk_widget_path_new ();
append_element (path, selector);
return create_context_for_path (path, parent);
}
static GtkStyleContext*
CreateCSSNode(const char* aName, GtkStyleContext *aParentStyle)
{
static auto sGtkWidgetPathIterSetObjectName =
reinterpret_cast<void (*)(GtkWidgetPath *, gint, const char *)>
(dlsym(RTLD_DEFAULT, "gtk_widget_path_iter_set_object_name"));
GtkWidgetPath* path =
gtk_widget_path_copy(gtk_style_context_get_path(aParentStyle));
gtk_widget_path_append_type(path, G_TYPE_NONE);
(*sGtkWidgetPathIterSetObjectName)(path, -1, aName);
GtkStyleContext *context = gtk_style_context_new();
gtk_style_context_set_path(context, path);
gtk_style_context_set_parent(context, aParentStyle);
gtk_widget_path_unref(path);
return context;
}
static GtkStyleContext *
get_style (GtkStyleContext *parent,
const char *selector)
{
GtkWidgetPath *path;
GtkStyleContext *context;
if (parent)
path = gtk_widget_path_copy (gtk_style_context_get_path (parent));
else
path = gtk_widget_path_new ();
append_element (path, selector);
context = gtk_style_context_new ();
gtk_style_context_set_path (context, path);
gtk_style_context_set_parent (context, parent);
gtk_widget_path_unref (path);
return context;
}
static GtkStyleContext *
get_style_with_siblings (GtkStyleContext *parent,
const char *selector,
const char **siblings,
gint position)
{
GtkWidgetPath *path, *siblings_path;
guint i;
if (parent)
path = gtk_widget_path_copy (gtk_style_context_get_path (parent));
else
path = gtk_widget_path_new ();
siblings_path = gtk_widget_path_new ();
for (i = 0; siblings[i]; i++)
append_element (siblings_path, siblings[i]);
gtk_widget_path_append_with_siblings (path, siblings_path, position);
gtk_widget_path_unref (siblings_path);
return create_context_for_path (path, parent);
}
static void
gtk_numerable_icon_update_properties_from_style (GtkNumerableIcon *self)
{
GtkStyleContext *style = self->priv->style;
GtkWidgetPath *path, *saved;
cairo_pattern_t *pattern = NULL;
GdkRGBA background, foreground;
PangoFontDescription *font = NULL;
/* save an unmodified copy of the original widget path, in order
* to restore it later */
path = gtk_widget_path_copy (gtk_style_context_get_path (style));
saved = gtk_widget_path_copy (path);
if (!gtk_widget_path_is_type (path, GTK_TYPE_NUMERABLE_ICON))
{
/* append our GType to the style context to fetch appropriate colors */
gtk_widget_path_append_type (path, GTK_TYPE_NUMERABLE_ICON);
gtk_style_context_set_path (style, path);
}
gtk_style_context_get_background_color (style, gtk_style_context_get_state (style),
&background);
gtk_style_context_get_color (style, gtk_style_context_get_state (style),
&foreground);
if (self->priv->background != NULL)
gdk_rgba_free (self->priv->background);
self->priv->background = gdk_rgba_copy (&background);
if (self->priv->foreground != NULL)
gdk_rgba_free (self->priv->foreground);
self->priv->foreground = gdk_rgba_copy (&foreground);
gtk_style_context_get (style, gtk_style_context_get_state (style),
GTK_STYLE_PROPERTY_BACKGROUND_IMAGE, &pattern,
NULL);
if (pattern != NULL)
{
if (self->priv->background_image != NULL)
cairo_pattern_destroy (self->priv->background_image);
self->priv->background_image = pattern;
}
gtk_style_context_get (style, gtk_style_context_get_state (style),
GTK_STYLE_PROPERTY_FONT, &font,
NULL);
if (font != NULL)
{
if (self->priv->font != NULL)
pango_font_description_free (self->priv->font);
self->priv->font = font;
}
gtk_numerable_icon_ensure_emblem (self);
/* restore original widget path */
gtk_style_context_set_path (style, saved);
gtk_widget_path_free (path);
gtk_widget_path_free (saved);
}