/**
Returns the bottommost item from the list which is at the point, or NULL if none.
*/
SPItem*
sp_document_item_from_list_at_point_bottom(unsigned int dkey, SPGroup *group, GSList const *list,
Geom::Point const p, bool take_insensitive)
{
g_return_val_if_fail(group, NULL);
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
gdouble delta = prefs->getDouble("/options/cursortolerance/value", 1.0);
for (SPObject *o = sp_object_first_child(SP_OBJECT(group)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
if (!SP_IS_ITEM(o)) continue;
SPItem *item = SP_ITEM(o);
NRArenaItem *arenaitem = sp_item_get_arenaitem(item, dkey);
if (arenaitem && nr_arena_item_invoke_pick(arenaitem, p, delta, 1) != NULL
&& (take_insensitive || item->isVisibleAndUnlocked(dkey))) {
if (g_slist_find((GSList *) list, item) != NULL)
return item;
}
if (SP_IS_GROUP(o)) {
SPItem *found = sp_document_item_from_list_at_point_bottom(dkey, SP_GROUP(o), list, p, take_insensitive);
if (found)
return found;
}
}
return NULL;
}
static void
sp_flowpara_update (SPObject *object, SPCtx *ctx, unsigned int flags)
{
SPItemCtx *ictx=(SPItemCtx *) ctx;
SPItemCtx cctx=*ictx;
if (((SPObjectClass *) (flowpara_parent_class))->update)
((SPObjectClass *) (flowpara_parent_class))->update (object, ctx, flags);
if (flags & SP_OBJECT_MODIFIED_FLAG) flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
flags &= SP_OBJECT_MODIFIED_CASCADE;
GSList* l = NULL;
for (SPObject *child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
g_object_ref (G_OBJECT (child));
l = g_slist_prepend (l, child);
}
l = g_slist_reverse (l);
while (l) {
SPObject *child = SP_OBJECT (l->data);
l = g_slist_remove (l, child);
if (flags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
if (SP_IS_ITEM (child)) {
SPItem const &chi = *SP_ITEM(child);
cctx.i2doc = chi.transform * ictx->i2doc;
cctx.i2vp = chi.transform * ictx->i2vp;
child->updateDisplay((SPCtx *)&cctx, flags);
} else {
child->updateDisplay(ctx, flags);
}
}
g_object_unref (G_OBJECT (child));
}
}
static void
sp_item_create_link(GtkMenuItem *menuitem, SPItem *item)
{
g_assert(SP_IS_ITEM(item));
g_assert(!SP_IS_ANCHOR(item));
SPDesktop *desktop = (SPDesktop*)gtk_object_get_data(GTK_OBJECT(menuitem), "desktop");
g_return_if_fail(desktop != NULL);
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
Inkscape::XML::Node *repr = xml_doc->createElement("svg:a");
SP_OBJECT_REPR(SP_OBJECT_PARENT(item))->addChild(repr, SP_OBJECT_REPR(item));
SPObject *object = SP_OBJECT_DOCUMENT(item)->getObjectByRepr(repr);
g_return_if_fail(SP_IS_ANCHOR(object));
const char *id = SP_OBJECT_REPR(item)->attribute("id");
Inkscape::XML::Node *child = SP_OBJECT_REPR(item)->duplicate(xml_doc);
SP_OBJECT(item)->deleteObject(false);
repr->addChild(child, NULL);
child->setAttribute("id", id);
Inkscape::GC::release(repr);
Inkscape::GC::release(child);
sp_document_done(SP_OBJECT_DOCUMENT(object), SP_VERB_NONE,
_("Create link"));
sp_object_attributes_dialog(object, "SPAnchor");
sp_desktop_selection(desktop)->set(SP_ITEM(object));
}
NRArenaItem *
sp_clippath_show(SPClipPath *cp, NRArena *arena, unsigned int key)
{
g_return_val_if_fail(cp != NULL, NULL);
g_return_val_if_fail(SP_IS_CLIPPATH(cp), NULL);
g_return_val_if_fail(arena != NULL, NULL);
g_return_val_if_fail(NR_IS_ARENA(arena), NULL);
NRArenaItem *ai = NRArenaGroup::create(arena);
cp->display = sp_clippath_view_new_prepend(cp->display, key, ai);
for (SPObject *child = sp_object_first_child(SP_OBJECT(cp)) ; child != NULL; child = SP_OBJECT_NEXT(child)) {
if (SP_IS_ITEM(child)) {
NRArenaItem *ac = sp_item_invoke_show(SP_ITEM(child), arena, key, SP_ITEM_REFERENCE_FLAGS);
if (ac) {
/* The order is not important in clippath */
nr_arena_item_add_child(ai, ac, NULL);
}
}
}
if (cp->clipPathUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX) {
Geom::Matrix t(Geom::Scale(cp->display->bbox.x1 - cp->display->bbox.x0, cp->display->bbox.y1 - cp->display->bbox.y0));
t[4] = cp->display->bbox.x0;
t[5] = cp->display->bbox.y0;
nr_arena_group_set_child_transform(NR_ARENA_GROUP(ai), &t);
}
return ai;
}
Inkscape::DrawingItem *SPClipPath::show(Inkscape::Drawing &drawing, unsigned int key) {
Inkscape::DrawingGroup *ai = new Inkscape::DrawingGroup(drawing);
display = sp_clippath_view_new_prepend(display, key, ai);
for ( SPObject *child = firstChild() ; child ; child = child->getNext() ) {
if (SP_IS_ITEM(child)) {
Inkscape::DrawingItem *ac = SP_ITEM(child)->invoke_show(drawing, key, SP_ITEM_REFERENCE_FLAGS);
if (ac) {
/* The order is not important in clippath */
ai->appendChild(ac);
}
}
}
if (clipPathUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX && display->bbox) {
Geom::Affine t = Geom::Scale(display->bbox->dimensions());
t.setTranslation(display->bbox->min());
ai->setChildTransform(t);
}
ai->setStyle(this->style);
return ai;
}
static void
sp_mask_child_added (SPObject *object, SPRepr *child, SPRepr *ref)
{
SPMask *cp;
SPObject *ochild;
cp = SP_MASK (object);
/* Invoke SPObjectGroup implementation */
((SPObjectClass *) (parent_class))->child_added (object, child, ref);
/* Show new object */
ochild = sp_document_lookup_id (SP_OBJECT_DOCUMENT (object), sp_repr_attr (child, "id"));
if (SP_IS_ITEM (ochild)) {
SPMaskView *v;
for (v = cp->display; v != NULL; v = v->next) {
NRArenaItem *ac;
ac = sp_item_invoke_show (SP_ITEM (ochild), NR_ARENA_ITEM_ARENA (v->arenaitem), v->key, SP_ITEM_REFERENCE_FLAGS);
if (ac) {
nr_arena_item_add_child (v->arenaitem, ac, NULL);
nr_arena_item_unref (ac);
}
}
}
}
NRArenaItem *
sp_mask_show (SPMask *mask, NRArena *arena, unsigned int key)
{
NRArenaItem *ai, *ac;
SPObject *child;
g_return_val_if_fail (mask != NULL, NULL);
g_return_val_if_fail (SP_IS_MASK (mask), NULL);
g_return_val_if_fail (arena != NULL, NULL);
g_return_val_if_fail (NR_IS_ARENA (arena), NULL);
ai = nr_arena_item_new (arena, NR_TYPE_ARENA_GROUP);
mask->display = sp_mask_view_new_prepend (mask->display, key, ai);
for (child = SP_OBJECTGROUP (mask)->children; child != NULL; child = child->next) {
if (SP_IS_ITEM (child)) {
ac = sp_item_invoke_show (SP_ITEM (child), arena, key, SP_ITEM_REFERENCE_FLAGS);
if (ac) {
/* The order is not important in mask */
nr_arena_item_add_child (ai, ac, NULL);
nr_arena_item_unref (ac);
}
}
}
if (mask->maskContentUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX) {
NRMatrixF t;
nr_matrix_f_set_scale (&t, mask->display->bbox.x1 - mask->display->bbox.x0, mask->display->bbox.y1 - mask->display->bbox.y0);
t.c[4] = mask->display->bbox.x0;
t.c[5] = mask->display->bbox.y0;
nr_arena_group_set_child_transform (NR_ARENA_GROUP (ai), &t);
}
return ai;
}
void
sp_mask_hide (SPMask *cp, unsigned int key)
{
SPMaskView *v;
SPObject *child;
g_return_if_fail (cp != NULL);
g_return_if_fail (SP_IS_MASK (cp));
for (child = SP_OBJECTGROUP (cp)->children; child != NULL; child = child->next) {
if (SP_IS_ITEM (child)) {
sp_item_invoke_hide (SP_ITEM (child), key);
}
}
for (v = cp->display; v != NULL; v = v->next) {
if (v->key == key) {
/* We simply unref and let item to manage this in handler */
cp->display = sp_mask_view_list_remove (cp->display, v);
return;
}
}
g_assert_not_reached ();
}
/**
Returns the topmost non-layer group from the descendants of group which is at point
p, or NULL if none. Recurses into layers but not into groups.
*/
SPItem*
find_group_at_point(unsigned int dkey, SPGroup *group, Geom::Point const p)
{
SPItem *seen = NULL;
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
gdouble delta = prefs->getDouble("/options/cursortolerance/value", 1.0);
for (SPObject *o = sp_object_first_child(SP_OBJECT(group)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
if (!SP_IS_ITEM(o)) continue;
if (SP_IS_GROUP(o) && SP_GROUP(o)->effectiveLayerMode(dkey) == SPGroup::LAYER) {
SPItem *newseen = find_group_at_point(dkey, SP_GROUP(o), p);
if (newseen) {
seen = newseen;
}
}
if (SP_IS_GROUP(o) && SP_GROUP(o)->effectiveLayerMode(dkey) != SPGroup::LAYER ) {
SPItem *child = SP_ITEM(o);
NRArenaItem *arenaitem = sp_item_get_arenaitem(child, dkey);
// seen remembers the last (topmost) of groups pickable at this point
if (arenaitem && nr_arena_item_invoke_pick(arenaitem, p, delta, 1) != NULL) {
seen = child;
}
}
}
return seen;
}
SPItem * SPTagUse::root()
{
SPObject *orig = child;
while (orig && SP_IS_TAG_USE(orig)) {
orig = SP_TAG_USE(orig)->child;
}
if (!orig || !SP_IS_ITEM(orig))
return NULL;
return SP_ITEM(orig);
}
SPItem *
sp_textpath_get_path_item(SPTextPath *tp)
{
if (tp && tp->sourcePath) {
SPItem *refobj = tp->sourcePath->getObject();
if (SP_IS_ITEM(refobj))
return (SPItem *) refobj;
}
return NULL;
}
void
sp_clippath_get_bbox(SPClipPath *cp, NRRect *bbox, Geom::Matrix const &transform, unsigned const /*flags*/)
{
SPObject *i;
for (i = sp_object_first_child(SP_OBJECT(cp)); i && !SP_IS_ITEM(i); i = SP_OBJECT_NEXT(i)){};
if (!i) return;
sp_item_invoke_bbox_full(SP_ITEM(i), bbox, Geom::Matrix(SP_ITEM(i)->transform) * transform, SPItem::GEOMETRIC_BBOX, FALSE);
SPObject *i_start = i;
while (i != NULL) {
if (i != i_start) {
NRRect i_box;
sp_item_invoke_bbox_full(SP_ITEM(i), &i_box, Geom::Matrix(SP_ITEM(i)->transform) * transform, SPItem::GEOMETRIC_BBOX, FALSE);
nr_rect_d_union (bbox, bbox, &i_box);
}
i = SP_OBJECT_NEXT(i);
for (; i && !SP_IS_ITEM(i); i = SP_OBJECT_NEXT(i)){};
}
}
static void
sp_item_select_this(GtkMenuItem *menuitem, SPItem *item)
{
SPDesktop *desktop;
g_assert(SP_IS_ITEM(item));
desktop = (SPDesktop*)gtk_object_get_data(GTK_OBJECT(menuitem), "desktop");
g_return_if_fail(desktop != NULL);
sp_desktop_selection(desktop)->set(item);
}
static void
sp_release_clip(GtkMenuItem *menuitem, SPItem *item)
{
SPDesktop *desktop;
g_assert(SP_IS_ITEM(item));
desktop = (SPDesktop*)gtk_object_get_data(GTK_OBJECT(menuitem), "desktop");
g_return_if_fail(desktop != NULL);
sp_selection_unset_mask(desktop, true);
}
gchar* SPTRef::description() const {
SPObject const *referred = this->getObjectReferredTo();
if (referred) {
char *child_desc;
if (SP_IS_ITEM(referred)) {
child_desc = SP_ITEM(referred)->detailedDescription();
} else {
child_desc = g_strdup("");
}
char *ret = g_strdup_printf("%s%s",
(SP_IS_ITEM(referred) ? _(" from ") : ""), child_desc);
g_free(child_desc);
return ret;
}
return g_strdup(_("[orphaned]"));
}
/**
Returns true if an item is among the descendants of group (recursively).
*/
bool item_is_in_group(SPItem *item, SPGroup *group)
{
for (SPObject *o = sp_object_first_child(SP_OBJECT(group)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
if (!SP_IS_ITEM(o)) continue;
if (SP_ITEM(o) == item)
return true;
if (SP_IS_GROUP(o))
if (item_is_in_group(item, SP_GROUP(o)))
return true;
}
return false;
}
Geom::OptRect SPClipPath::geometricBounds(Geom::Affine const &transform) {
Geom::OptRect bbox;
for (SPObject *i = firstChild(); i; i = i->getNext()) {
if (SP_IS_ITEM(i)) {
Geom::OptRect tmp = SP_ITEM(i)->geometricBounds(Geom::Affine(SP_ITEM(i)->transform) * transform);
bbox.unionWith(tmp);
}
}
return bbox;
}
std::vector<SPItem*> const &Selection::itemList() {
if (!_items.empty()) {
return _items;
}
for ( std::list<SPObject*>::const_iterator iter=_objs.begin();iter!=_objs.end(); ++iter) {
SPObject *obj=*iter;
if (SP_IS_ITEM(obj)) {
_items.push_back(SP_ITEM(obj));
}
}
return _items;
}
static void
sp_shape_fill_settings(GtkMenuItem *menuitem, SPItem *item)
{
SPDesktop *desktop;
g_assert(SP_IS_ITEM(item));
desktop = (SPDesktop*)gtk_object_get_data(GTK_OBJECT(menuitem), "desktop");
g_return_if_fail(desktop != NULL);
if (sp_desktop_selection(desktop)->isEmpty()) {
sp_desktop_selection(desktop)->set(item);
}
desktop->_dlg_mgr->showDialog("FillAndStroke");
}
void SPUse::href_changed() {
this->_delete_connection.disconnect();
this->_transformed_connection.disconnect();
if (this->child) {
this->detach(this->child);
this->child = NULL;
}
if (this->href) {
SPItem *refobj = this->ref->getObject();
if (refobj) {
Inkscape::XML::Node *childrepr = refobj->getRepr();
SPObject* obj = SPFactory::instance().createObject(NodeTraits::get_type_string(*childrepr));
if (SP_IS_ITEM(obj)) {
this->child = SP_ITEM(obj);
this->attach(this->child, this->lastChild());
sp_object_unref(this->child, this);
this->child->invoke_build(this->document, childrepr, TRUE);
for (SPItemView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingItem *ai = this->child->invoke_show(v->arenaitem->drawing(), v->key, v->flags);
if (ai) {
v->arenaitem->prependChild(ai);
}
}
} else {
delete obj;
g_warning("Tried to create svg:use from invalid object");
}
this->_delete_connection = refobj->connectDelete(
sigc::hide(sigc::mem_fun(this, &SPUse::delete_self))
);
this->_transformed_connection = refobj->connectTransformed(
sigc::hide(sigc::mem_fun(this, &SPUse::move_compensate))
);
}
}
}
void SPClipPath::hide(unsigned int key) {
for ( SPObject *child = firstChild() ; child; child = child->getNext() ) {
if (SP_IS_ITEM(child)) {
SP_ITEM(child)->invoke_hide(key);
}
}
for (SPClipPathView *v = display; v != NULL; v = v->next) {
if (v->key == key) {
/* We simply unref and let item to manage this in handler */
display = sp_clippath_view_list_remove(display, v);
return;
}
}
g_assert_not_reached();
}
void SPClipPath::child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref) {
/* Invoke SPObjectGroup implementation */
SPObjectGroup::child_added(child, ref);
/* Show new object */
SPObject *ochild = this->document->getObjectByRepr(child);
if (SP_IS_ITEM(ochild)) {
for (SPClipPathView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingItem *ac = SP_ITEM(ochild)->invoke_show(v->arenaitem->drawing(), v->key, SP_ITEM_REFERENCE_FLAGS);
if (ac) {
v->arenaitem->prependChild(ac);
}
}
}
}
/**
* Hide all items that are not listed in list, recursively, skipping groups and defs.
*/
static void hide_other_items_recursively(SPObject *o, GSList *list, unsigned dkey)
{
if ( SP_IS_ITEM(o)
&& !SP_IS_DEFS(o)
&& !SP_IS_ROOT(o)
&& !SP_IS_GROUP(o)
&& !g_slist_find(list, o) )
{
SP_ITEM(o)->invoke_hide(dkey);
}
// recurse
if (!g_slist_find(list, o)) {
for ( SPObject *child = o->firstChild() ; child; child = child->getNext() ) {
hide_other_items_recursively(child, list, dkey);
}
}
}
/**
* Hide all items that are not listed in list, recursively, skipping groups and defs.
*/
static void hide_other_items_recursively(SPObject *o, const std::vector<SPItem*> &list, unsigned dkey)
{
if ( SP_IS_ITEM(o)
&& !SP_IS_DEFS(o)
&& !SP_IS_ROOT(o)
&& !SP_IS_GROUP(o)
&& list.end()==find(list.begin(),list.end(),o))
{
SP_ITEM(o)->invoke_hide(dkey);
}
// recurse
if (list.end()==find(list.begin(),list.end(),o)) {
for ( SPObject *child = o->firstChild() ; child; child = child->getNext() ) {
hide_other_items_recursively(child, list, dkey);
}
}
}
GSList *
all_selection_items (Inkscape::Selection *s, GSList *l, SPObject *ancestor, bool hidden, bool locked)
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
for (GSList *i = (GSList *) s->itemList(); i != NULL; i = i->next) {
if (SP_IS_ITEM (i->data) && !SP_OBJECT_IS_CLONED (i->data) && !desktop->isLayer(SP_ITEM(i->data))) {
if (!ancestor || ancestor->isAncestorOf(SP_OBJECT (i->data))) {
if ((hidden || !desktop->itemIsHidden(SP_ITEM(i->data))) && (locked || !SP_ITEM(i->data)->isLocked())) {
l = g_slist_prepend (l, i->data);
}
}
}
if (!ancestor || ancestor->isAncestorOf(SP_OBJECT (i->data))) {
l = all_items (SP_OBJECT (i->data), l, hidden, locked);
}
}
return l;
}
/** Returns true iff \a item is suitable to be included in the selection, in particular
whether it has a bounding box in the desktop coordinate system for rendering resize handles.
Descendents of <defs> nodes (markers etc.) return false, for example.
*/
bool in_dt_coordsys(SPObject const &item)
{
/* Definition based on sp_item_i2doc_affine. */
SPObject const *child = &item;
g_return_val_if_fail(child != NULL, false);
for(;;) {
if (!SP_IS_ITEM(child)) {
return false;
}
SPObject const * const parent = SP_OBJECT_PARENT(child);
if (parent == NULL) {
break;
}
child = parent;
}
g_assert(SP_IS_ROOT(child));
/* Relevance: Otherwise, I'm not sure whether to return true or false. */
return true;
}
GSList *
all_items (SPObject *r, GSList *l, bool hidden, bool locked)
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (SP_IS_DEFS(r))
return l; // we're not interested in items in defs
if (!strcmp (SP_OBJECT_REPR (r)->name(), "svg:metadata"))
return l; // we're not interested in metadata
for (SPObject *child = sp_object_first_child(r); child; child = SP_OBJECT_NEXT (child)) {
if (SP_IS_ITEM (child) && !SP_OBJECT_IS_CLONED (child) && !desktop->isLayer(SP_ITEM(child))) {
if ((hidden || !desktop->itemIsHidden(SP_ITEM(child))) && (locked || !SP_ITEM(child)->isLocked())) {
l = g_slist_prepend (l, child);
}
}
l = all_items (child, l, hidden, locked);
}
return l;
}
static void
sp_clippath_child_added(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)
{
/* Invoke SPObjectGroup implementation */
((SPObjectClass *) (parent_class))->child_added(object, child, ref);
/* Show new object */
SPObject *ochild = SP_OBJECT_DOCUMENT(object)->getObjectByRepr(child);
if (SP_IS_ITEM(ochild)) {
SPClipPath *cp = SP_CLIPPATH(object);
for (SPClipPathView *v = cp->display; v != NULL; v = v->next) {
NRArenaItem *ac = sp_item_invoke_show(SP_ITEM(ochild),
NR_ARENA_ITEM_ARENA(v->arenaitem),
v->key,
SP_ITEM_REFERENCE_FLAGS);
if (ac) {
nr_arena_item_add_child(v->arenaitem, ac, NULL);
}
}
}
}
static GSList *find_items_in_area(GSList *s, SPGroup *group, unsigned int dkey, Geom::Rect const &area,
bool (*test)(Geom::Rect const &, Geom::Rect const &), bool take_insensitive = false)
{
g_return_val_if_fail(SP_IS_GROUP(group), s);
for (SPObject *o = sp_object_first_child(SP_OBJECT(group)) ; o != NULL ; o = SP_OBJECT_NEXT(o) ) {
if (!SP_IS_ITEM(o)) {
continue;
}
if (SP_IS_GROUP(o) && SP_GROUP(o)->effectiveLayerMode(dkey) == SPGroup::LAYER ) {
s = find_items_in_area(s, SP_GROUP(o), dkey, area, test);
} else {
SPItem *child = SP_ITEM(o);
Geom::OptRect box = sp_item_bbox_desktop(child);
if ( box && test(area, *box) && (take_insensitive || child->isVisibleAndUnlocked(dkey))) {
s = g_slist_append(s, child);
}
}
}
return s;
}
void
sp_clippath_hide(SPClipPath *cp, unsigned int key)
{
g_return_if_fail(cp != NULL);
g_return_if_fail(SP_IS_CLIPPATH(cp));
for (SPObject *child = sp_object_first_child(SP_OBJECT(cp)) ; child != NULL; child = SP_OBJECT_NEXT(child)) {
if (SP_IS_ITEM(child)) {
sp_item_invoke_hide(SP_ITEM(child), key);
}
}
for (SPClipPathView *v = cp->display; v != NULL; v = v->next) {
if (v->key == key) {
/* We simply unref and let item to manage this in handler */
cp->display = sp_clippath_view_list_remove(cp->display, v);
return;
}
}
g_assert_not_reached();
}