//FIXME this looks weird
void
sheet_release_selected_objects (Sheet *sheet)
{
GList *list, *copy;
GooCanvasGroup *group;
gint item_nbr;
g_return_if_fail (sheet != NULL);
g_return_if_fail (IS_SHEET (sheet));
group = sheet->priv->selected_group;
copy = g_list_copy (sheet->priv->selected_objects);
// Remove all the selected_objects into selected_group
for (list = copy; list; list = list->next) {
item_nbr = goo_canvas_item_find_child (GOO_CANVAS_ITEM (group),
GOO_CANVAS_ITEM (list->data));
goo_canvas_item_remove_child (GOO_CANVAS_ITEM (group),
item_nbr);
}
g_list_free (copy);
g_list_free (sheet->priv->selected_objects);
sheet->priv->selected_objects = NULL;
}
bool canvas_t::set_background(const std::string &filename)
{
canvas_goocanvas *gcanvas = static_cast<canvas_goocanvas *>(this);
GooCanvasItem *gr = gcanvas->group[CANVAS_GROUP_BG];
int n = goo_canvas_item_get_n_children(gr);
if(n > 0) {
assert_cmpnum(n, 1);
goo_canvas_item_remove_child(gr, 0);
}
if(filename.empty())
return false;
gcanvas->bg.pix.reset(gdk_pixbuf_new_from_file(filename.c_str(), nullptr));
if(!gcanvas->bg.pix)
return false;
float width = gdk_pixbuf_get_width(gcanvas->bg.pix.get());
float height = gdk_pixbuf_get_height(gcanvas->bg.pix.get());
/* calculate required scale factor */
gcanvas->bg.scale.x = (gcanvas->bounds.max.x - gcanvas->bounds.min.x) / width;
gcanvas->bg.scale.y = (gcanvas->bounds.max.y - gcanvas->bounds.min.y) / height;
GooCanvasItem *bg = goo_canvas_image_new(gr, gcanvas->bg.pix.get(),
gcanvas->bounds.min.x / gcanvas->bg.scale.x - width / 2.0f,
gcanvas->bounds.min.y / gcanvas->bg.scale.y - height / 2.0f,
nullptr);
goo_canvas_item_scale(bg, gcanvas->bg.scale.x, gcanvas->bg.scale.y);
return true;
}
static VALUE
rg_remove_child(VALUE self, VALUE child)
{
gint child_num;
child_num = goo_canvas_item_find_child(SELF(self), SELF(child));
goo_canvas_item_remove_child(SELF(self), child_num);
G_CHILD_REMOVE(self, child);
return self;
}
