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index a5392ef904730ebb03955717f02928c006af5324..9163d1c91262b8a6335642276b5b51ba47c583a7 100644 (file)
-/*\r
- * The reference corresponding to the inkscape:live-effect attribute\r
- *\r
- * Copyright (C) 2007 Johan Engelen\r
- *\r
- * Released under GNU GPL, read the file 'COPYING' for more information.\r
- */\r
-\r
-#include "enums.h"\r
-#include "live_effects/lpeobject-reference.h"\r
-#include "live_effects/lpeobject.h"\r
-\r
-#include "prefs-utils.h"\r
-#include "uri.h"\r
-\r
-namespace Inkscape {\r
-\r
-namespace LivePathEffect {\r
-\r
-static void lpeobjectreference_href_changed(SPObject *old_ref, SPObject *ref, LPEObjectReference *lpeobjref);\r
-static void lpeobjectreference_delete_self(SPObject *deleted, LPEObjectReference *lpeobjref);\r
-static void lpeobjectreference_source_modified(SPObject *iSource, guint flags, LPEObjectReference *lpeobjref);\r
-\r
-LPEObjectReference::LPEObjectReference(SPObject* i_owner) : URIReference(i_owner)\r
-{\r
- owner=i_owner;\r
- lpeobject_href = NULL;\r
- lpeobject_repr = NULL;\r
- lpeobject = NULL;\r
- _changed_connection = changedSignal().connect(sigc::bind(sigc::ptr_fun(lpeobjectreference_href_changed), this)); // listening to myself, this should be virtual instead\r
-\r
- user_unlink = NULL;\r
-}\r
-\r
-LPEObjectReference::~LPEObjectReference(void)\r
-{\r
- _changed_connection.disconnect(); // to do before unlinking\r
-\r
- quit_listening();\r
- unlink();\r
-}\r
-\r
-bool LPEObjectReference::_acceptObject(SPObject * const obj) const\r
-{\r
- if (IS_LIVEPATHEFFECT(obj)) {\r
- SPObject * const owner = getOwner();\r
- /* Refuse references to us or to an ancestor. */\r
- for ( SPObject *iter = owner ; iter ; iter = SP_OBJECT_PARENT(iter) ) {\r
- if ( iter == obj ) {\r
- return false;\r
- }\r
- }\r
- return true;\r
- } else {\r
- return false;\r
- }\r
-}\r
-\r
-void\r
-LPEObjectReference::link(char *to)\r
-{\r
- if ( to == NULL ) {\r
- quit_listening();\r
- unlink();\r
- } else {\r
- if ( !lpeobject_href || ( strcmp(to, lpeobject_href) != 0 ) ) {\r
- g_free(lpeobject_href);\r
- lpeobject_href = g_strdup(to);\r
- try {\r
- attach(Inkscape::URI(to));\r
- } catch (Inkscape::BadURIException &e) {\r
- /* TODO: Proper error handling as per\r
- * http://www.w3.org/TR/SVG11/implnote.html#ErrorProcessing.\r
- */\r
- g_warning("%s", e.what());\r
- detach();\r
- }\r
- }\r
- }\r
-}\r
-\r
-void\r
-LPEObjectReference::unlink(void)\r
-{\r
- g_free(lpeobject_href);\r
- lpeobject_href = NULL;\r
- detach();\r
-}\r
-\r
-void\r
-LPEObjectReference::start_listening(LivePathEffectObject* to)\r
-{\r
- if ( to == NULL ) {\r
- return;\r
- }\r
- lpeobject = to;\r
- lpeobject_repr = SP_OBJECT_REPR(to);\r
- _delete_connection = to->connectDelete(sigc::bind(sigc::ptr_fun(&lpeobjectreference_delete_self), this));\r
- _modified_connection = to->connectModified(sigc::bind<2>(sigc::ptr_fun(&lpeobjectreference_source_modified), this));\r
-}\r
-\r
-void\r
-LPEObjectReference::quit_listening(void)\r
-{\r
- if ( lpeobject == NULL ) {\r
- return;\r
- }\r
- _modified_connection.disconnect();\r
- _delete_connection.disconnect();\r
- lpeobject_repr = NULL;\r
- lpeobject = NULL;\r
-}\r
-\r
-static void\r
-lpeobjectreference_href_changed(SPObject */*old_ref*/, SPObject */*ref*/, LPEObjectReference *lpeobjref)\r
-{\r
- lpeobjref->quit_listening();\r
- LivePathEffectObject *refobj = LIVEPATHEFFECT( lpeobjref->getObject() );\r
- if ( refobj ) {\r
- lpeobjref->start_listening(refobj);\r
- }\r
-\r
- lpeobjref->owner->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);\r
-}\r
-\r
-static void\r
-lpeobjectreference_delete_self(SPObject */*deleted*/, LPEObjectReference *lpeobjref)\r
-{\r
- guint const mode = prefs_get_int_attribute("options.cloneorphans", "value", SP_CLONE_ORPHANS_UNLINK);\r
-\r
- if (mode == SP_CLONE_ORPHANS_UNLINK) {\r
- // leave it be. just forget about the source\r
- lpeobjref->quit_listening();\r
- lpeobjref->unlink();\r
- if (lpeobjref->user_unlink)\r
- lpeobjref->user_unlink(lpeobjref->owner);\r
- } else if (mode == SP_CLONE_ORPHANS_DELETE) {\r
- lpeobjref->owner->deleteObject();\r
- }\r
-}\r
-\r
-static void\r
-lpeobjectreference_source_modified(SPObject *iSource, guint flags, LPEObjectReference *lpeobjref)\r
-{\r
- lpeobjref->owner->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);\r
-}\r
-\r
-}; //namespace LivePathEffect\r
-\r
-}; // namespace inkscape\r
-\r
-/*\r
- Local Variables:\r
- mode:c++\r
- c-file-style:"stroustrup"\r
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
- indent-tabs-mode:nil\r
- fill-column:99\r
- End:\r
-*/\r
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :\r
+/*
+ * The reference corresponding to the inkscape:live-effect attribute
+ *
+ * Copyright (C) 2007 Johan Engelen
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information.
+ */
+
+#include <string.h>
+
+#include "enums.h"
+#include "live_effects/lpeobject-reference.h"
+#include "live_effects/lpeobject.h"
+#include "uri.h"
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+static void lpeobjectreference_href_changed(SPObject *old_ref, SPObject *ref, LPEObjectReference *lpeobjref);
+static void lpeobjectreference_delete_self(SPObject *deleted, LPEObjectReference *lpeobjref);
+static void lpeobjectreference_source_modified(SPObject *iSource, guint flags, LPEObjectReference *lpeobjref);
+
+LPEObjectReference::LPEObjectReference(SPObject* i_owner) : URIReference(i_owner)
+{
+ owner=i_owner;
+ lpeobject_href = NULL;
+ lpeobject_repr = NULL;
+ lpeobject = NULL;
+ _changed_connection = changedSignal().connect(sigc::bind(sigc::ptr_fun(lpeobjectreference_href_changed), this)); // listening to myself, this should be virtual instead
+
+ user_unlink = NULL;
+}
+
+LPEObjectReference::~LPEObjectReference(void)
+{
+ _changed_connection.disconnect(); // to do before unlinking
+
+ quit_listening();
+ unlink();
+}
+
+bool LPEObjectReference::_acceptObject(SPObject * const obj) const
+{
+ if (IS_LIVEPATHEFFECT(obj)) {
+ SPObject * const owner = getOwner();
+ /* Refuse references to us or to an ancestor. */
+ for ( SPObject *iter = owner ; iter ; iter = SP_OBJECT_PARENT(iter) ) {
+ if ( iter == obj ) {
+ return false;
+ }
+ }
+ return true;
+ } else {
+ return false;
+ }
+}
+
+void
+LPEObjectReference::link(const char *to)
+{
+ if ( to == NULL ) {
+ quit_listening();
+ unlink();
+ } else {
+ if ( !lpeobject_href || ( strcmp(to, lpeobject_href) != 0 ) ) {
+ g_free(lpeobject_href);
+ lpeobject_href = g_strdup(to);
+ try {
+ attach(Inkscape::URI(to));
+ } catch (Inkscape::BadURIException &e) {
+ /* TODO: Proper error handling as per
+ * http://www.w3.org/TR/SVG11/implnote.html#ErrorProcessing.
+ */
+ g_warning("%s", e.what());
+ detach();
+ }
+ }
+ }
+}
+
+void
+LPEObjectReference::unlink(void)
+{
+ g_free(lpeobject_href);
+ lpeobject_href = NULL;
+ detach();
+}
+
+void
+LPEObjectReference::start_listening(LivePathEffectObject* to)
+{
+ if ( to == NULL ) {
+ return;
+ }
+ lpeobject = to;
+ lpeobject_repr = SP_OBJECT_REPR(to);
+ _delete_connection = to->connectDelete(sigc::bind(sigc::ptr_fun(&lpeobjectreference_delete_self), this));
+ _modified_connection = to->connectModified(sigc::bind<2>(sigc::ptr_fun(&lpeobjectreference_source_modified), this));
+}
+
+void
+LPEObjectReference::quit_listening(void)
+{
+ if ( lpeobject == NULL ) {
+ return;
+ }
+ _modified_connection.disconnect();
+ _delete_connection.disconnect();
+ lpeobject_repr = NULL;
+ lpeobject = NULL;
+}
+
+static void
+lpeobjectreference_href_changed(SPObject */*old_ref*/, SPObject */*ref*/, LPEObjectReference *lpeobjref)
+{
+ lpeobjref->quit_listening();
+ LivePathEffectObject *refobj = LIVEPATHEFFECT( lpeobjref->getObject() );
+ if ( refobj ) {
+ lpeobjref->start_listening(refobj);
+ }
+
+ lpeobjref->owner->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
+}
+
+static void
+lpeobjectreference_delete_self(SPObject */*deleted*/, LPEObjectReference *lpeobjref)
+{
+ lpeobjref->quit_listening();
+ lpeobjref->unlink();
+ if (lpeobjref->user_unlink)
+ lpeobjref->user_unlink(lpeobjref, lpeobjref->owner);
+}
+
+static void
+lpeobjectreference_source_modified(SPObject */*iSource*/, guint /*flags*/, LPEObjectReference *lpeobjref)
+{
+ lpeobjref->owner->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
+}
+
+} //namespace LivePathEffect
+
+} // namespace inkscape
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :