X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtkcellrendererpixbuf.c;h=90fc9fece085141ccd7fb28a987963d1fd066844;hb=bda5987335b8c7828ebf1d289a91accfe2e74dbe;hp=4e1b9f58a06c5c77cc1796523b394fd0e98e613a;hpb=dadf966b3b82a10bf5ae81e3eebae63a6df14003;p=~andy%2Fgtk diff --git a/gtk/gtkcellrendererpixbuf.c b/gtk/gtkcellrendererpixbuf.c index 4e1b9f58a..90fc9fece 100644 --- a/gtk/gtkcellrendererpixbuf.c +++ b/gtk/gtkcellrendererpixbuf.c @@ -12,116 +12,285 @@ * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * License along with this library. If not, see . */ +#include "config.h" #include #include "gtkcellrendererpixbuf.h" - -#ifndef _ -#define _(x) x -#endif +#include "gtkiconfactory.h" +#include "gtkiconhelperprivate.h" +#include "gtkicontheme.h" +#include "gtkintl.h" +#include "gtkprivate.h" +#include "a11y/gtkimagecellaccessible.h" + + +/** + * SECTION:gtkcellrendererpixbuf + * @Short_description: Renders a pixbuf in a cell + * @Title: GtkCellRendererPixbuf + * + * A #GtkCellRendererPixbuf can be used to render an image in a cell. It allows + * to render either a given #GdkPixbuf (set via the + * #GtkCellRendererPixbuf:pixbuf property) or a stock icon (set via the + * #GtkCellRendererPixbuf:stock-id property). + * + * To support the tree view, #GtkCellRendererPixbuf also supports rendering two + * alternative pixbufs, when the #GtkCellRenderer:is-expander property is %TRUE. + * If the #GtkCellRenderer:is-expanded property is %TRUE and the + * #GtkCellRendererPixbuf:pixbuf-expander-open property is set to a pixbuf, it + * renders that pixbuf, if the #GtkCellRenderer:is-expanded property is %FALSE + * and the #GtkCellRendererPixbuf:pixbuf-expander-closed property is set to a + * pixbuf, it renders that one. + */ static void gtk_cell_renderer_pixbuf_get_property (GObject *object, guint param_id, GValue *value, - GParamSpec *pspec, - const gchar *trailer); + GParamSpec *pspec); static void gtk_cell_renderer_pixbuf_set_property (GObject *object, guint param_id, const GValue *value, - GParamSpec *pspec, - const gchar *trailer); -static void gtk_cell_renderer_pixbuf_init (GtkCellRendererPixbuf *celltext); -static void gtk_cell_renderer_pixbuf_class_init (GtkCellRendererPixbufClass *class); + GParamSpec *pspec); static void gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell, GtkWidget *widget, + const GdkRectangle *rectangle, + gint *x_offset, + gint *y_offset, gint *width, gint *height); static void gtk_cell_renderer_pixbuf_render (GtkCellRenderer *cell, - GdkWindow *window, + cairo_t *cr, GtkWidget *widget, - GdkRectangle *background_area, - GdkRectangle *cell_area, - GdkRectangle *expose_area, - guint flags); + const GdkRectangle *background_area, + const GdkRectangle *cell_area, + GtkCellRendererState flags); enum { - PROP_ZERO, - PROP_PIXBUF + PROP_0, + PROP_PIXBUF, + PROP_PIXBUF_EXPANDER_OPEN, + PROP_PIXBUF_EXPANDER_CLOSED, + PROP_STOCK_ID, + PROP_STOCK_SIZE, + PROP_STOCK_DETAIL, + PROP_FOLLOW_STATE, + PROP_ICON_NAME, + PROP_GICON }; -GtkType -gtk_cell_renderer_pixbuf_get_type (void) +struct _GtkCellRendererPixbufPrivate { - static GtkType cell_pixbuf_type = 0; + GtkIconHelper *icon_helper; + GtkIconSize icon_size; - if (!cell_pixbuf_type) - { - static const GTypeInfo cell_pixbuf_info = - { - sizeof (GtkCellRendererPixbufClass), - NULL, /* base_init */ - NULL, /* base_finalize */ - (GClassInitFunc) gtk_cell_renderer_pixbuf_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (GtkCellRendererPixbuf), - 0, /* n_preallocs */ - (GInstanceInitFunc) gtk_cell_renderer_pixbuf_init, - }; - - cell_pixbuf_type = g_type_register_static (GTK_TYPE_CELL_RENDERER, "GtkCellRendererPixbuf", &cell_pixbuf_info, 0); - } + GdkPixbuf *pixbuf_expander_open; + GdkPixbuf *pixbuf_expander_closed; + + gboolean follow_state; + + gchar *stock_detail; +}; + + +G_DEFINE_TYPE (GtkCellRendererPixbuf, gtk_cell_renderer_pixbuf, GTK_TYPE_CELL_RENDERER) - return cell_pixbuf_type; -} static void gtk_cell_renderer_pixbuf_init (GtkCellRendererPixbuf *cellpixbuf) { + GtkCellRendererPixbufPrivate *priv; + + cellpixbuf->priv = G_TYPE_INSTANCE_GET_PRIVATE (cellpixbuf, + GTK_TYPE_CELL_RENDERER_PIXBUF, + GtkCellRendererPixbufPrivate); + priv = cellpixbuf->priv; + priv->icon_helper = _gtk_icon_helper_new (); + priv->icon_size = GTK_ICON_SIZE_MENU; +} + +static void +gtk_cell_renderer_pixbuf_finalize (GObject *object) +{ + GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object); + GtkCellRendererPixbufPrivate *priv = cellpixbuf->priv; + + g_clear_object (&priv->icon_helper); + + if (priv->pixbuf_expander_open) + g_object_unref (priv->pixbuf_expander_open); + if (priv->pixbuf_expander_closed) + g_object_unref (priv->pixbuf_expander_closed); + + g_free (priv->stock_detail); + + G_OBJECT_CLASS (gtk_cell_renderer_pixbuf_parent_class)->finalize (object); } static void gtk_cell_renderer_pixbuf_class_init (GtkCellRendererPixbufClass *class) { - GObjectClass *object_class = G_OBJECT_CLASS (class); - GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class); - - object_class->get_property = gtk_cell_renderer_pixbuf_get_property; - object_class->set_property = gtk_cell_renderer_pixbuf_set_property; - - cell_class->get_size = gtk_cell_renderer_pixbuf_get_size; - cell_class->render = gtk_cell_renderer_pixbuf_render; - - g_object_class_install_property (object_class, - PROP_PIXBUF, - g_param_spec_object ("pixbuf", - _("Pixbuf Object"), - _("The pixbuf to render."), - GDK_TYPE_PIXBUF, - G_PARAM_READABLE | - G_PARAM_WRITABLE)); + GObjectClass *object_class = G_OBJECT_CLASS (class); + GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class); + + object_class->finalize = gtk_cell_renderer_pixbuf_finalize; + + object_class->get_property = gtk_cell_renderer_pixbuf_get_property; + object_class->set_property = gtk_cell_renderer_pixbuf_set_property; + + cell_class->get_size = gtk_cell_renderer_pixbuf_get_size; + cell_class->render = gtk_cell_renderer_pixbuf_render; + + g_object_class_install_property (object_class, + PROP_PIXBUF, + g_param_spec_object ("pixbuf", + P_("Pixbuf Object"), + P_("The pixbuf to render"), + GDK_TYPE_PIXBUF, + GTK_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_PIXBUF_EXPANDER_OPEN, + g_param_spec_object ("pixbuf-expander-open", + P_("Pixbuf Expander Open"), + P_("Pixbuf for open expander"), + GDK_TYPE_PIXBUF, + GTK_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_PIXBUF_EXPANDER_CLOSED, + g_param_spec_object ("pixbuf-expander-closed", + P_("Pixbuf Expander Closed"), + P_("Pixbuf for closed expander"), + GDK_TYPE_PIXBUF, + GTK_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_STOCK_ID, + g_param_spec_string ("stock-id", + P_("Stock ID"), + P_("The stock ID of the stock icon to render"), + NULL, + GTK_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_STOCK_SIZE, + g_param_spec_uint ("stock-size", + P_("Size"), + P_("The GtkIconSize value that specifies the size of the rendered icon"), + 0, + G_MAXUINT, + GTK_ICON_SIZE_MENU, + GTK_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_STOCK_DETAIL, + g_param_spec_string ("stock-detail", + P_("Detail"), + P_("Render detail to pass to the theme engine"), + NULL, + GTK_PARAM_READWRITE)); + + + /** + * GtkCellRendererPixbuf:icon-name: + * + * The name of the themed icon to display. + * This property only has an effect if not overridden by "stock_id" + * or "pixbuf" properties. + * + * Since: 2.8 + */ + g_object_class_install_property (object_class, + PROP_ICON_NAME, + g_param_spec_string ("icon-name", + P_("Icon Name"), + P_("The name of the icon from the icon theme"), + NULL, + GTK_PARAM_READWRITE)); + + /** + * GtkCellRendererPixbuf:follow-state: + * + * Specifies whether the rendered pixbuf should be colorized + * according to the #GtkCellRendererState. + * + * Since: 2.8 + */ + g_object_class_install_property (object_class, + PROP_FOLLOW_STATE, + g_param_spec_boolean ("follow-state", + P_("Follow State"), + P_("Whether the rendered pixbuf should be " + "colorized according to the state"), + FALSE, + GTK_PARAM_READWRITE)); + + /** + * GtkCellRendererPixbuf:gicon: + * + * The GIcon representing the icon to display. + * If the icon theme is changed, the image will be updated + * automatically. + * + * Since: 2.14 + */ + g_object_class_install_property (object_class, + PROP_GICON, + g_param_spec_object ("gicon", + P_("Icon"), + P_("The GIcon being displayed"), + G_TYPE_ICON, + GTK_PARAM_READWRITE)); + + + + g_type_class_add_private (object_class, sizeof (GtkCellRendererPixbufPrivate)); + + gtk_cell_renderer_class_set_accessible_type (cell_class, GTK_TYPE_IMAGE_CELL_ACCESSIBLE); } static void gtk_cell_renderer_pixbuf_get_property (GObject *object, guint param_id, GValue *value, - GParamSpec *pspec, - const gchar *trailer) + GParamSpec *pspec) { GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object); - + GtkCellRendererPixbufPrivate *priv = cellpixbuf->priv; + switch (param_id) { case PROP_PIXBUF: - g_value_set_object (value, G_OBJECT (cellpixbuf->pixbuf)); + g_value_set_object (value, _gtk_icon_helper_peek_pixbuf (priv->icon_helper)); + break; + case PROP_PIXBUF_EXPANDER_OPEN: + g_value_set_object (value, priv->pixbuf_expander_open); + break; + case PROP_PIXBUF_EXPANDER_CLOSED: + g_value_set_object (value, priv->pixbuf_expander_closed); + break; + case PROP_STOCK_ID: + g_value_set_string (value, _gtk_icon_helper_get_stock_id (priv->icon_helper)); + break; + case PROP_STOCK_SIZE: + g_value_set_uint (value, priv->icon_size); + break; + case PROP_STOCK_DETAIL: + g_value_set_string (value, priv->stock_detail); + break; + case PROP_FOLLOW_STATE: + g_value_set_boolean (value, priv->follow_state); + break; + case PROP_ICON_NAME: + g_value_set_string (value, _gtk_icon_helper_get_icon_name (priv->icon_helper)); + break; + case PROP_GICON: + g_value_set_object (value, _gtk_icon_helper_peek_gicon (priv->icon_helper)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); @@ -129,25 +298,81 @@ gtk_cell_renderer_pixbuf_get_property (GObject *object, } } +static void +gtk_cell_renderer_pixbuf_reset (GtkCellRendererPixbuf *cellpixbuf) +{ + GtkCellRendererPixbufPrivate *priv = cellpixbuf->priv; + GtkImageType storage_type = _gtk_icon_helper_get_storage_type (priv->icon_helper); + + switch (storage_type) + { + case GTK_IMAGE_PIXBUF: + g_object_notify (G_OBJECT (cellpixbuf), "pixbuf"); + break; + case GTK_IMAGE_STOCK: + g_object_notify (G_OBJECT (cellpixbuf), "stock-id"); + break; + case GTK_IMAGE_ICON_NAME: + g_object_notify (G_OBJECT (cellpixbuf), "icon-name"); + break; + case GTK_IMAGE_GICON: + g_object_notify (G_OBJECT (cellpixbuf), "gicon"); + break; + case GTK_IMAGE_EMPTY: + default: + break; + } + + _gtk_icon_helper_clear (priv->icon_helper); +} static void gtk_cell_renderer_pixbuf_set_property (GObject *object, guint param_id, const GValue *value, - GParamSpec *pspec, - const gchar *trailer) + GParamSpec *pspec) { - GdkPixbuf *pixbuf; GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object); - + GtkCellRendererPixbufPrivate *priv = cellpixbuf->priv; + switch (param_id) { case PROP_PIXBUF: - pixbuf = GDK_PIXBUF (g_value_get_object (value)); - g_object_ref (G_OBJECT (pixbuf)); - if (cellpixbuf->pixbuf) - g_object_unref (G_OBJECT (cellpixbuf->pixbuf)); - cellpixbuf->pixbuf = pixbuf; + gtk_cell_renderer_pixbuf_reset (cellpixbuf); + _gtk_icon_helper_set_pixbuf (priv->icon_helper, g_value_get_object (value)); + break; + case PROP_PIXBUF_EXPANDER_OPEN: + if (priv->pixbuf_expander_open) + g_object_unref (priv->pixbuf_expander_open); + priv->pixbuf_expander_open = (GdkPixbuf*) g_value_dup_object (value); + break; + case PROP_PIXBUF_EXPANDER_CLOSED: + if (priv->pixbuf_expander_closed) + g_object_unref (priv->pixbuf_expander_closed); + priv->pixbuf_expander_closed = (GdkPixbuf*) g_value_dup_object (value); + break; + case PROP_STOCK_ID: + gtk_cell_renderer_pixbuf_reset (cellpixbuf); + _gtk_icon_helper_set_stock_id (priv->icon_helper, g_value_get_string (value), priv->icon_size); + break; + case PROP_STOCK_SIZE: + priv->icon_size = g_value_get_uint (value); + _gtk_icon_helper_set_icon_size (priv->icon_helper, priv->icon_size); + break; + case PROP_STOCK_DETAIL: + g_free (priv->stock_detail); + priv->stock_detail = g_value_dup_string (value); + break; + case PROP_ICON_NAME: + gtk_cell_renderer_pixbuf_reset (cellpixbuf); + _gtk_icon_helper_set_icon_name (priv->icon_helper, g_value_get_string (value), priv->icon_size); + break; + case PROP_FOLLOW_STATE: + priv->follow_state = g_value_get_boolean (value); + break; + case PROP_GICON: + gtk_cell_renderer_pixbuf_reset (cellpixbuf); + _gtk_icon_helper_set_gicon (priv->icon_helper, g_value_get_object (value), priv->icon_size); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); @@ -155,87 +380,177 @@ gtk_cell_renderer_pixbuf_set_property (GObject *object, } } +/** + * gtk_cell_renderer_pixbuf_new: + * + * Creates a new #GtkCellRendererPixbuf. Adjust rendering + * parameters using object properties. Object properties can be set + * globally (with g_object_set()). Also, with #GtkTreeViewColumn, you + * can bind a property to a value in a #GtkTreeModel. For example, you + * can bind the "pixbuf" property on the cell renderer to a pixbuf value + * in the model, thus rendering a different image in each row of the + * #GtkTreeView. + * + * Return value: the new cell renderer + **/ GtkCellRenderer * gtk_cell_renderer_pixbuf_new (void) { - return GTK_CELL_RENDERER (gtk_type_new (gtk_cell_renderer_pixbuf_get_type ())); + return g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF, NULL); } static void -gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell, - GtkWidget *widget, - gint *width, - gint *height) +gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell, + GtkWidget *widget, + const GdkRectangle *cell_area, + gint *x_offset, + gint *y_offset, + gint *width, + gint *height) { - GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell; + GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell; + GtkCellRendererPixbufPrivate *priv = cellpixbuf->priv; + gint pixbuf_width = 0; + gint pixbuf_height = 0; + gint calc_width; + gint calc_height; + gint xpad, ypad; + GtkStyleContext *context; + + context = gtk_widget_get_style_context (widget); + gtk_style_context_save (context); + gtk_style_context_add_class (context, GTK_STYLE_CLASS_IMAGE); + + if (!_gtk_icon_helper_get_is_empty (priv->icon_helper)) + _gtk_icon_helper_get_size (priv->icon_helper, + gtk_widget_get_style_context (widget), + &pixbuf_width, &pixbuf_height); + + gtk_style_context_restore (context); + + if (priv->pixbuf_expander_open) + { + pixbuf_width = MAX (pixbuf_width, gdk_pixbuf_get_width (priv->pixbuf_expander_open)); + pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (priv->pixbuf_expander_open)); + } + if (priv->pixbuf_expander_closed) + { + pixbuf_width = MAX (pixbuf_width, gdk_pixbuf_get_width (priv->pixbuf_expander_closed)); + pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (priv->pixbuf_expander_closed)); + } - if (width) - *width = (gint) GTK_CELL_RENDERER (cellpixbuf)->xpad * 2 + - (cellpixbuf->pixbuf ? gdk_pixbuf_get_width (cellpixbuf->pixbuf) : 0); + gtk_cell_renderer_get_padding (cell, &xpad, &ypad); + calc_width = (gint) xpad * 2 + pixbuf_width; + calc_height = (gint) ypad * 2 + pixbuf_height; + + if (cell_area && pixbuf_width > 0 && pixbuf_height > 0) + { + gfloat xalign, yalign; - if (height) - *height = (gint) GTK_CELL_RENDERER (cellpixbuf)->ypad * 2 + - (cellpixbuf->pixbuf ? gdk_pixbuf_get_height (cellpixbuf->pixbuf) : 0); + gtk_cell_renderer_get_alignment (cell, &xalign, &yalign); + if (x_offset) + { + *x_offset = (((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ? + (1.0 - xalign) : xalign) * + (cell_area->width - calc_width)); + *x_offset = MAX (*x_offset, 0); + } + if (y_offset) + { + *y_offset = (yalign * + (cell_area->height - calc_height)); + *y_offset = MAX (*y_offset, 0); + } + } + else + { + if (x_offset) *x_offset = 0; + if (y_offset) *y_offset = 0; + } + + if (width) + *width = calc_width; + + if (height) + *height = calc_height; } static void -gtk_cell_renderer_pixbuf_render (GtkCellRenderer *cell, - GdkWindow *window, - GtkWidget *widget, - GdkRectangle *background_area, - GdkRectangle *cell_area, - GdkRectangle *expose_area, - guint flags) +gtk_cell_renderer_pixbuf_render (GtkCellRenderer *cell, + cairo_t *cr, + GtkWidget *widget, + const GdkRectangle *background_area, + const GdkRectangle *cell_area, + GtkCellRendererState flags) { - GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell; - GdkPixbuf *pixbuf; - guchar *pixels; - gint rowstride; - gint real_xoffset; - gint real_yoffset; - GdkGC *bg_gc = NULL; - - pixbuf = cellpixbuf->pixbuf; - - if (!pixbuf) - return; - - if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED) - bg_gc = widget->style->bg_gc [GTK_STATE_SELECTED]; - else - bg_gc = widget->style->base_gc [GTK_STATE_NORMAL]; - - gdk_gc_set_clip_rectangle (bg_gc, cell_area); - - rowstride = gdk_pixbuf_get_rowstride (pixbuf); - pixels = gdk_pixbuf_get_pixels (pixbuf); - - real_xoffset = GTK_CELL_RENDERER (cellpixbuf)->xalign * (cell_area->width - gdk_pixbuf_get_width (pixbuf) - (2 * GTK_CELL_RENDERER (cellpixbuf)->xpad)); - real_xoffset = MAX (real_xoffset, 0) + GTK_CELL_RENDERER (cellpixbuf)->xpad; - real_yoffset = GTK_CELL_RENDERER (cellpixbuf)->yalign * (cell_area->height - gdk_pixbuf_get_height (pixbuf) - (2 * GTK_CELL_RENDERER (cellpixbuf)->ypad)); - real_yoffset = MAX (real_yoffset, 0) + GTK_CELL_RENDERER (cellpixbuf)->ypad; - - if (gdk_pixbuf_get_has_alpha (pixbuf)) - gdk_draw_rgb_32_image (window, - bg_gc, - cell_area->x + real_xoffset, - cell_area->y + real_yoffset, - gdk_pixbuf_get_width (pixbuf), - gdk_pixbuf_get_height (pixbuf), - GDK_RGB_DITHER_NORMAL, - pixels, - rowstride); - else - gdk_draw_rgb_image (window, - bg_gc, - cell_area->x + real_xoffset, - cell_area->y + real_yoffset, - gdk_pixbuf_get_width (pixbuf), - gdk_pixbuf_get_height (pixbuf), - GDK_RGB_DITHER_NORMAL, - pixels, - rowstride); - - gdk_gc_set_clip_rectangle (bg_gc, NULL); + GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell; + GtkCellRendererPixbufPrivate *priv = cellpixbuf->priv; + GtkStyleContext *context; + GdkRectangle pix_rect; + GdkRectangle draw_rect; + gboolean is_expander; + gint xpad, ypad; + GtkStateFlags state; + GtkIconHelper *icon_helper = NULL; + + gtk_cell_renderer_pixbuf_get_size (cell, widget, (GdkRectangle *) cell_area, + &pix_rect.x, + &pix_rect.y, + &pix_rect.width, + &pix_rect.height); + + gtk_cell_renderer_get_padding (cell, &xpad, &ypad); + pix_rect.x += cell_area->x + xpad; + pix_rect.y += cell_area->y + ypad; + pix_rect.width -= xpad * 2; + pix_rect.height -= ypad * 2; + + if (!gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect)) + return; + + context = gtk_widget_get_style_context (widget); + gtk_style_context_save (context); + + state = GTK_STATE_FLAG_NORMAL; + + if (!gtk_widget_get_sensitive (widget) || + !gtk_cell_renderer_get_sensitive (cell)) + state |= GTK_STATE_FLAG_INSENSITIVE; + else if (priv->follow_state && + (flags & (GTK_CELL_RENDERER_SELECTED | + GTK_CELL_RENDERER_PRELIT)) != 0) + state = gtk_cell_renderer_get_state (cell, widget, flags); + + gtk_style_context_set_state (context, state); + gtk_style_context_add_class (context, GTK_STYLE_CLASS_IMAGE); + + g_object_get (cell, "is-expander", &is_expander, NULL); + if (is_expander) + { + gboolean is_expanded; + + g_object_get (cell, "is-expanded", &is_expanded, NULL); + + if (is_expanded && priv->pixbuf_expander_open != NULL) + { + icon_helper = _gtk_icon_helper_new (); + _gtk_icon_helper_set_pixbuf (icon_helper, priv->pixbuf_expander_open); + } + else if (!is_expanded && priv->pixbuf_expander_closed != NULL) + { + icon_helper = _gtk_icon_helper_new (); + _gtk_icon_helper_set_pixbuf (icon_helper, priv->pixbuf_expander_closed); + } + } + + if (icon_helper == NULL) + icon_helper = g_object_ref (priv->icon_helper); + + _gtk_icon_helper_draw (icon_helper, + context, cr, + pix_rect.x, pix_rect.y); + g_object_unref (icon_helper); + + gtk_style_context_restore (context); }