diff --git a/src/sp-lpe-item.cpp b/src/sp-lpe-item.cpp
index a27344ebca69fd14c2672741ba90d8830c2d3b14..6b71541e64c1013ed19d25469ea66f3fa28963a5 100644 (file)
--- a/src/sp-lpe-item.cpp
+++ b/src/sp-lpe-item.cpp
static void sp_lpe_item_enable_path_effects(SPLPEItem *lpeitem, bool enable);
-static void lpeobject_ref_changed(SPObject *old_ref, SPObject *ref, SPLPEItem *lpeitem);
static void lpeobject_ref_modified(SPObject *href, guint flags, SPLPEItem *lpeitem);
static void sp_lpe_item_create_original_path_recursive(SPLPEItem *lpeitem);
lpeitem->path_effect_list = new PathEffectList();
lpeitem->current_path_effect = NULL;
- new (&lpeitem->lpe_modified_connection) sigc::connection();
+ lpeitem->lpe_modified_connection_list = new std::list<sigc::connection>();
}
static void
{
SPLPEItem *lpeitem = (SPLPEItem *) object;
- lpeitem->lpe_modified_connection.disconnect();
- lpeitem->lpe_modified_connection.~connection();
+ // disconnect all modified listeners:
+ for (std::list<sigc::connection>::iterator mod_it = lpeitem->lpe_modified_connection_list->begin();
+ mod_it != lpeitem->lpe_modified_connection_list->end(); ++mod_it)
+ {
+ mod_it->disconnect();
+ }
+ delete lpeitem->lpe_modified_connection_list;
+ lpeitem->lpe_modified_connection_list = NULL;
PathEffectList::iterator it = lpeitem->path_effect_list->begin();
while ( it != lpeitem->path_effect_list->end() ) {
it = lpeitem->path_effect_list->erase(it);
}
// delete the list itself
- delete SP_LPE_ITEM(object)->path_effect_list;
+ delete lpeitem->path_effect_list;
+ lpeitem->path_effect_list = NULL;
if (((SPObjectClass *) parent_class)->release)
((SPObjectClass *) parent_class)->release(object);
// Disable the path effects while populating the LPE list
sp_lpe_item_enable_path_effects(lpeitem, false);
+ // disconnect all modified listeners:
+ for ( std::list<sigc::connection>::iterator mod_it = lpeitem->lpe_modified_connection_list->begin();
+ mod_it != lpeitem->lpe_modified_connection_list->end();
+ ++mod_it)
+ {
+ mod_it->disconnect();
+ }
+ lpeitem->lpe_modified_connection_list->clear();
// Clear the path effect list
PathEffectList::iterator it = lpeitem->path_effect_list->begin();
while ( it != lpeitem->path_effect_list->end() )
std::string href;
while (std::getline(iss, href, ';'))
{
- Inkscape::LivePathEffect::LPEObjectReference *path_effect_ref = new Inkscape::LivePathEffect::LPEObjectReference(SP_OBJECT(lpeitem));
- path_effect_ref->changedSignal().connect(sigc::bind(sigc::ptr_fun(lpeobject_ref_changed), SP_LPE_ITEM(object)));
- // Now do the attaching, which emits the changed signal.
- // Fixme, it should not do this changed signal and updating before all effects are added to the path_effect_list
+ Inkscape::LivePathEffect::LPEObjectReference *path_effect_ref = new Inkscape::LivePathEffect::LPEObjectReference(object);
try {
path_effect_ref->link(href.c_str());
} catch (Inkscape::BadURIException e) {
}
lpeitem->path_effect_list->push_back(path_effect_ref);
- if ( !(path_effect_ref->lpeobject && path_effect_ref->lpeobject->get_lpe()) ) {
+ if ( path_effect_ref->lpeobject && path_effect_ref->lpeobject->get_lpe() ) {
+ // connect modified-listener
+ lpeitem->lpe_modified_connection_list->push_back(
+ path_effect_ref->lpeobject->connectModified(sigc::bind(sigc::ptr_fun(&lpeobject_ref_modified), lpeitem)) );
+ } else {
// something has gone wrong in finding the right patheffect.
g_warning("Unknown LPE type specified, LPE stack effectively disabled");
// keep the effect in the lpestack, so the whole stack is effectively disabled but maintained
@@ -283,11 +298,13 @@ sp_lpe_item_write(SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::
{
SPLPEItem *lpeitem = (SPLPEItem *) object;
- if ( sp_lpe_item_has_path_effect(lpeitem) ) {
- std::string href = patheffectlist_write_svg(*lpeitem->path_effect_list);
- repr->setAttribute("inkscape:path-effect", href.c_str());
- } else {
- repr->setAttribute("inkscape:path-effect", NULL);
+ if (flags & SP_OBJECT_WRITE_EXT) {
+ if ( sp_lpe_item_has_path_effect(lpeitem) ) {
+ std::string href = patheffectlist_write_svg(*lpeitem->path_effect_list);
+ repr->setAttribute("inkscape:path-effect", href.c_str());
+ } else {
+ repr->setAttribute("inkscape:path-effect", NULL);
+ }
}
if (((SPObjectClass *)(parent_class))->write) {
@@ -405,28 +422,14 @@ sp_lpe_item_update_patheffect (SPLPEItem *lpeitem, bool wholetree, bool write)
}
/**
- * Gets called when (re)attached to another lpeobject.
- */
-static void
-lpeobject_ref_changed(SPObject *old_ref, SPObject *ref, SPLPEItem *lpeitem)
-{
- if (old_ref) {
- sp_signal_disconnect_by_data(old_ref, lpeitem);
- }
- if ( IS_LIVEPATHEFFECT(ref) && ref != lpeitem )
- {
- lpeitem->lpe_modified_connection.disconnect();
- lpeitem->lpe_modified_connection = ref->connectModified(sigc::bind(sigc::ptr_fun(&lpeobject_ref_modified), lpeitem));
- lpeobject_ref_modified(ref, 0, lpeitem);
- }
-}
-
-/**
- * Gets called when lpeobject repr contents change: i.e. parameter change.
+ * Gets called when any of the lpestack's lpeobject repr contents change: i.e. parameter change in any of the stacked LPEs
*/
static void
lpeobject_ref_modified(SPObject */*href*/, guint /*flags*/, SPLPEItem *lpeitem)
{
+#ifdef SHAPE_VERBOSE
+ g_message("lpeobject_ref_modified");
+#endif
sp_lpe_item_update_patheffect (lpeitem, true, true);
}
@@ -541,7 +544,11 @@ void sp_lpe_item_remove_current_path_effect(SPLPEItem *lpeitem, bool keep_paths)
new_list.remove(lperef); //current lpe ref is always our 'own' pointer from the path_effect_list
std::string r = patheffectlist_write_svg(new_list);
- SP_OBJECT_REPR(lpeitem)->setAttribute("inkscape:path-effect", r.c_str());
+ if (!r.empty()) {
+ SP_OBJECT_REPR(lpeitem)->setAttribute("inkscape:path-effect", r.c_str());
+ } else {
+ SP_OBJECT_REPR(lpeitem)->setAttribute("inkscape:path-effect", NULL);
+ }
if (!keep_paths) {
sp_lpe_item_cleanup_original_path_recursive(lpeitem);
Inkscape::LivePathEffect::LPEObjectReference* sp_lpe_item_get_current_lpereference(SPLPEItem *lpeitem)
{
- if (!lpeitem->current_path_effect && !lpeitem->path_effect_list->empty())
+ if (!lpeitem->current_path_effect && !lpeitem->path_effect_list->empty()) {
sp_lpe_item_set_current_path_effect(lpeitem, lpeitem->path_effect_list->back());
+ }
return lpeitem->current_path_effect;
}
@@ -767,7 +775,6 @@ bool sp_lpe_item_set_current_path_effect(SPLPEItem *lpeitem, Inkscape::LivePathE
{
for (PathEffectList::iterator it = lpeitem->path_effect_list->begin(); it != lpeitem->path_effect_list->end(); it++) {
if ((*it)->lpeobject_repr == lperef->lpeobject_repr) {
- lpeobject_ref_changed(NULL, (*it)->lpeobject, SP_LPE_ITEM(lpeitem)); // FIXME: explain why this is here?
lpeitem->current_path_effect = (*it); // current_path_effect should always be a pointer from the path_effect_list !
return true;
}