GdkPixbuf *CreateStockIcon(const char *stockid, GtkIconSize size)
{
// FIXME: This code is not 100% correct, because stock pixmap are
// context-dependent and may be affected by theme engine, the
// correct value can only be obtained for given GtkWidget object.
//
// Fool-proof implementation of stock bitmaps would extend wxBitmap
// with "stock-id" representation (in addition to pixmap and pixbuf
// ones) and would convert it to pixbuf when rendered.
GtkWidget* widget = wxGTKPrivate::GetButtonWidget();
#ifdef __WXGTK3__
GtkStyleContext* sc = gtk_widget_get_style_context(widget);
GtkIconSet* iconset = gtk_style_context_lookup_icon_set(sc, stockid);
GdkPixbuf* pixbuf = NULL;
if (iconset)
pixbuf = gtk_icon_set_render_icon_pixbuf(iconset, sc, size);
return pixbuf;
#else
GtkStyle* style = gtk_widget_get_style(widget);
GtkIconSet* iconset = gtk_style_lookup_icon_set(style, stockid);
if (!iconset)
return NULL;
return gtk_icon_set_render_icon(iconset, style,
gtk_widget_get_default_direction(),
GTK_STATE_NORMAL, size, NULL, NULL);
#endif
}
static void
ensure_stated_surface_from_info (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconInfo *info,
int scale)
{
GdkPixbuf *destination = NULL;
cairo_surface_t *surface;
gboolean symbolic;
symbolic = FALSE;
if (info)
destination =
gtk_icon_info_load_symbolic_for_context (info,
context,
&symbolic,
NULL);
if (destination == NULL)
{
GtkIconSet *icon_set;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
icon_set = gtk_icon_factory_lookup_default (GTK_STOCK_MISSING_IMAGE);
destination =
gtk_icon_set_render_icon_pixbuf (icon_set, context, self->priv->icon_size);
G_GNUC_END_IGNORE_DEPRECATIONS;
}
else if (!symbolic)
{
GdkPixbuf *rendered;
rendered = ensure_stated_pixbuf_from_pixbuf (self, context, destination);
g_object_unref (destination);
destination = rendered;
}
surface = NULL;
if (destination)
{
surface = gdk_cairo_surface_create_from_pixbuf (destination, scale, self->priv->window);
self->priv->rendered_surface_width =
(gdk_pixbuf_get_width (destination) + scale - 1) / scale;
self->priv->rendered_surface_height =
(gdk_pixbuf_get_height (destination) + scale - 1) / scale;
g_object_unref (destination);
}
self->priv->rendered_surface = surface;
}
static void
ensure_pixbuf_for_icon_set (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconSet *icon_set)
{
if (!check_invalidate_pixbuf (self, context))
return;
self->priv->rendered_pixbuf =
gtk_icon_set_render_icon_pixbuf (icon_set, context, self->priv->icon_size);
}
static void
ensure_pixbuf_for_icon_set (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconSet *icon_set)
{
if (!check_invalidate_pixbuf (self, context))
return;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
self->priv->rendered_pixbuf =
gtk_icon_set_render_icon_pixbuf (icon_set, context, self->priv->icon_size);
G_GNUC_END_IGNORE_DEPRECATIONS;
}
static GdkPixbuf *
ensure_stated_icon_from_info (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconInfo *info)
{
GdkPixbuf *destination = NULL;
gboolean symbolic;
symbolic = FALSE;
if (info)
destination =
gtk_icon_info_load_symbolic_for_context (info,
context,
&symbolic,
NULL);
if (destination == NULL)
{
GtkIconSet *icon_set;
icon_set = gtk_style_context_lookup_icon_set (context, GTK_STOCK_MISSING_IMAGE);
destination =
gtk_icon_set_render_icon_pixbuf (icon_set, context, self->priv->icon_size);
}
else if (!symbolic)
{
GtkIconSource *source;
GdkPixbuf *rendered;
source = gtk_icon_source_new ();
gtk_icon_source_set_pixbuf (source, destination);
/* The size here is arbitrary; since size isn't
* wildcarded in the source, it isn't supposed to be
* scaled by the engine function
*/
gtk_icon_source_set_size (source,
GTK_ICON_SIZE_SMALL_TOOLBAR);
gtk_icon_source_set_size_wildcarded (source, FALSE);
rendered = gtk_render_icon_pixbuf (context, source, (GtkIconSize) -1);
gtk_icon_source_free (source);
g_object_unref (destination);
destination = rendered;
}
return destination;
}
