diff options
Diffstat (limited to 'src/sp-object-group.cpp')
| -rw-r--r-- | src/sp-object-group.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/sp-object-group.cpp b/src/sp-object-group.cpp new file mode 100644 index 000000000..ec698592f --- /dev/null +++ b/src/sp-object-group.cpp @@ -0,0 +1,132 @@ +#define __SP_OBJECTGROUP_C__ + +/* + * Abstract base class for non-item groups + * + * Authors: + * Lauris Kaplinski <lauris@kaplinski.com> + * + * Copyright (C) 1999-2003 Authors + * Copyright (C) 2001-2002 Ximian, Inc. + * + * Released under GNU GPL, read the file 'COPYING' for more information + */ + +#include "sp-object-group.h" +#include "xml/repr.h" + +static void sp_objectgroup_class_init (SPObjectGroupClass *klass); +static void sp_objectgroup_init (SPObjectGroup *objectgroup); + +static void sp_objectgroup_child_added (SPObject * object, Inkscape::XML::Node * child, Inkscape::XML::Node * ref); +static void sp_objectgroup_remove_child (SPObject * object, Inkscape::XML::Node * child); +static void sp_objectgroup_order_changed (SPObject * object, Inkscape::XML::Node * child, Inkscape::XML::Node * old_ref, Inkscape::XML::Node * new_ref); +static Inkscape::XML::Node *sp_objectgroup_write (SPObject *object, Inkscape::XML::Node *repr, guint flags); + +static SPObjectClass *parent_class; + +GType +sp_objectgroup_get_type (void) +{ + static GType objectgroup_type = 0; + if (!objectgroup_type) { + GTypeInfo objectgroup_info = { + sizeof (SPObjectGroupClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) sp_objectgroup_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (SPObjectGroup), + 16, /* n_preallocs */ + (GInstanceInitFunc) sp_objectgroup_init, + NULL, /* value_table */ + }; + objectgroup_type = g_type_register_static (SP_TYPE_OBJECT, "SPObjectGroup", &objectgroup_info, (GTypeFlags)0); + } + return objectgroup_type; +} + +static void +sp_objectgroup_class_init (SPObjectGroupClass *klass) +{ + GObjectClass * object_class; + SPObjectClass * sp_object_class; + + object_class = (GObjectClass *) klass; + sp_object_class = (SPObjectClass *) klass; + + parent_class = (SPObjectClass *)g_type_class_ref (SP_TYPE_OBJECT); + + sp_object_class->child_added = sp_objectgroup_child_added; + sp_object_class->remove_child = sp_objectgroup_remove_child; + sp_object_class->order_changed = sp_objectgroup_order_changed; + sp_object_class->write = sp_objectgroup_write; +} + +static void +sp_objectgroup_init (SPObjectGroup *objectgroup) +{ +} + +static void +sp_objectgroup_child_added (SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref) +{ + if (((SPObjectClass *) (parent_class))->child_added) + (* ((SPObjectClass *) (parent_class))->child_added) (object, child, ref); + + object->requestModified(SP_OBJECT_MODIFIED_FLAG); +} + +static void +sp_objectgroup_remove_child (SPObject *object, Inkscape::XML::Node *child) +{ + if (((SPObjectClass *) (parent_class))->remove_child) + (* ((SPObjectClass *) (parent_class))->remove_child) (object, child); + + object->requestModified(SP_OBJECT_MODIFIED_FLAG); +} + +static void +sp_objectgroup_order_changed (SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref) +{ + if (((SPObjectClass *) (parent_class))->order_changed) + (* ((SPObjectClass *) (parent_class))->order_changed) (object, child, old_ref, new_ref); + + object->requestModified(SP_OBJECT_MODIFIED_FLAG); +} + +static Inkscape::XML::Node * +sp_objectgroup_write (SPObject *object, Inkscape::XML::Node *repr, guint flags) +{ + SPObjectGroup *group; + SPObject *child; + Inkscape::XML::Node *crepr; + + group = SP_OBJECTGROUP (object); + + if (flags & SP_OBJECT_WRITE_BUILD) { + GSList *l; + if (!repr) repr = sp_repr_new ("svg:g"); + l = NULL; + for ( child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) { + crepr = child->updateRepr(NULL, flags); + if (crepr) l = g_slist_prepend (l, crepr); + } + while (l) { + repr->addChild((Inkscape::XML::Node *) l->data, NULL); + Inkscape::GC::release((Inkscape::XML::Node *) l->data); + l = g_slist_remove (l, l->data); + } + } else { + for ( child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) { + child->updateRepr(flags); + } + } + + if (((SPObjectClass *) (parent_class))->write) + ((SPObjectClass *) (parent_class))->write (object, repr, flags); + + return repr; +} + |