void SPDocument::queueForOrphanCollection(SPObject *object) {
g_return_if_fail(object != NULL);
g_return_if_fail(SP_OBJECT_DOCUMENT(object) == this);
sp_object_ref(object, NULL);
_collection_queue = g_slist_prepend(_collection_queue, object);
}
void SPClipPath::modified(unsigned int flags) {
if (flags & SP_OBJECT_MODIFIED_FLAG) {
flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
}
flags &= SP_OBJECT_MODIFIED_CASCADE;
GSList *l = NULL;
for (SPObject *child = this->firstChild(); child; child = child->getNext()) {
sp_object_ref(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->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
child->emitModified(flags);
}
sp_object_unref(child);
}
}
void ObjectHierarchy::setBottom(SPObject *object) {
if (object == NULL) { printf("assertion object != NULL failed\n"); return; }
if ( bottom() == object ) {
return;
}
if (!top()) {
_addBottom(object);
} else if (bottom()->isAncestorOf(object)) {
_addBottom(bottom(), object);
} else if ( top() == object ) {
_trimBelow(top());
} else if (top()->isAncestorOf(object)) {
if (object->isAncestorOf(bottom())) {
_trimBelow(object);
} else { // object is a sibling or cousin of bottom()
SPObject *saved_top=top();
sp_object_ref(saved_top, NULL);
_clear();
_addBottom(saved_top);
_addBottom(saved_top, object);
sp_object_unref(saved_top, NULL);
}
} else {
_clear();
_addBottom(object);
}
_changed_signal.emit(top(), bottom());
}
void SPUse::modified(unsigned int flags) {
// std::cout << "SPUse::modified: " << (getId()?getId():"null") << std::endl;
if (flags & SP_OBJECT_MODIFIED_FLAG) {
flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
}
flags &= SP_OBJECT_MODIFIED_CASCADE;
if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) {
for (SPItemView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);
this->context_style = this->style;
g->setStyle(this->style, this->context_style);
}
}
if (child) {
sp_object_ref(child);
if (flags || (child->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
child->emitModified(flags);
}
sp_object_unref(child);
}
}
ObjectHierarchy::Record ObjectHierarchy::_attach(SPObject *object) {
sp_object_ref(object, NULL);
sigc::connection connection
= object->connectRelease(
sigc::mem_fun(*this, &ObjectHierarchy::_trim_for_release)
);
return Record(object, connection);
}
void NRStyle::Paint::set(SPPaintServer *ps)
{
clear();
if (ps) {
type = PAINT_SERVER;
server = ps;
sp_object_ref(server, NULL);
}
}
void
sp_sel_trans_grab (SPSelTrans * seltrans, NRPointF *p, gdouble x, gdouble y, gboolean show_handles)
{
SPSelection *selection;
const GSList *l;
int n;
selection = SP_DT_SELECTION (seltrans->desktop);
g_return_if_fail (!seltrans->grabbed);
seltrans->grabbed = TRUE;
seltrans->show_handles = show_handles;
sp_sel_trans_update_volatile_state (seltrans);
seltrans->changed = FALSE;
if (seltrans->empty) return;
l = sp_selection_item_list (selection);
seltrans->nitems = g_slist_length ((GSList *) l);
seltrans->items = nr_new (SPItem *, seltrans->nitems);
seltrans->transforms = nr_new (NRMatrixF, seltrans->nitems);
n = 0;
while (l) {
seltrans->items[n] = (SPItem *) sp_object_ref (SP_OBJECT (l->data), NULL);
sp_item_i2d_affine (seltrans->items[n], &seltrans->transforms[n]);
l = l->next;
n += 1;
}
nr_matrix_d_set_identity (&seltrans->current);
seltrans->point.x = p->x;
seltrans->point.y = p->y;
seltrans->spp_length = sp_selection_snappoints (selection, seltrans->spp, SP_SELTRANS_SPP_SIZE);
seltrans->opposit.x = seltrans->box.x0 + (1 - x) * fabs (seltrans->box.x1 - seltrans->box.x0);
seltrans->opposit.y = seltrans->box.y0 + (1 - y) * fabs (seltrans->box.y1 - seltrans->box.y0);
if ((x != -1) && (y != -1)) {
sp_canvas_item_show (seltrans->norm);
sp_canvas_item_show (seltrans->grip);
}
if (seltrans->show == SP_SELTRANS_SHOW_OUTLINE) {
sp_canvas_item_show (seltrans->l1);
sp_canvas_item_show (seltrans->l2);
sp_canvas_item_show (seltrans->l3);
sp_canvas_item_show (seltrans->l4);
}
sp_sel_trans_update_handles (seltrans);
g_return_if_fail(seltrans->stamp_cache == NULL);
}
void ObjectHierarchy::_trimBelow(SPObject *limit) {
while ( !_hierarchy.empty() && _hierarchy.front().object != limit ) {
SPObject *object=_hierarchy.front().object;
sp_object_ref(object, NULL);
_detach(_hierarchy.front());
_hierarchy.pop_front();
_removed_signal.emit(object);
sp_object_unref(object, NULL);
}
}
void ObjectHierarchy::_trim_for_release(SPObject *object) {
this->_trimBelow(object);
assert(!this->_hierarchy.empty());
assert(this->_hierarchy.front().object == object);
sp_object_ref(object, NULL);
this->_detach(this->_hierarchy.front());
this->_hierarchy.pop_front();
this->_removed_signal.emit(object);
sp_object_unref(object, NULL);
this->_changed_signal.emit(this->top(), this->bottom());
}
/**
* Callback for modified event.
*/
void SPGradient::modified(guint flags)
{
if (flags & SP_OBJECT_CHILD_MODIFIED_FLAG) {
// CPPIFY
// This comparison has never worked (i. e. always evaluated to false),
// the right value would have been SP_TYPE_MESH
//if( this->get_type() != SP_GRADIENT_TYPE_MESH ) {
// if (!SP_IS_MESH(this)) {
// this->invalidateVector();
// } else {
// this->invalidateArray();
// }
this->invalidateVector();
}
if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) {
// CPPIFY
// see above
//if( this->get_type() != SP_GRADIENT_TYPE_MESH ) {
// if (!SP_IS_MESH(this)) {
// this->ensureVector();
// } else {
// this->ensureArray();
// }
this->ensureVector();
}
if (flags & SP_OBJECT_MODIFIED_FLAG) flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
flags &= SP_OBJECT_MODIFIED_CASCADE;
// FIXME: climb up the ladder of hrefs
GSList *l = NULL;
for (SPObject *child = this->firstChild() ; child; child = child->getNext() ) {
sp_object_ref(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->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
child->emitModified(flags);
}
sp_object_unref(child);
}
}
void Selection::_emitChanged(bool persist_selection_context/* = false */) {
if (persist_selection_context) {
if (NULL == _selection_context) {
_selection_context = _layers->currentLayer();
sp_object_ref(_selection_context, NULL);
_context_release_connection = _selection_context->connectRelease(sigc::mem_fun(*this, &Selection::_releaseContext));
}
} else {
_releaseContext(_selection_context);
}
INKSCAPE.selection_changed(this);
_changed_signal.emit(this);
}
void SPTRef::modified(unsigned int flags) {
if (flags & SP_OBJECT_MODIFIED_FLAG) {
flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
}
flags &= SP_OBJECT_MODIFIED_CASCADE;
SPObject *child = this->stringChild;
if (child) {
sp_object_ref(child);
if (flags || (child->mflags & SP_OBJECT_MODIFIED_FLAG)) {
child->emitModified(flags);
}
sp_object_unref(child);
}
}
void SPClipPath::update(SPCtx* ctx, unsigned int flags) {
if (flags & SP_OBJECT_MODIFIED_FLAG) {
flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
}
flags &= SP_OBJECT_MODIFIED_CASCADE;
GSList *l = NULL;
for ( SPObject *child = this->firstChild(); child; child = child->getNext()) {
sp_object_ref(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))) {
child->updateDisplay(ctx, flags);
}
sp_object_unref(child);
}
for (SPClipPathView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);
if (this->clipPathUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX && v->bbox) {
Geom::Affine t = Geom::Scale(v->bbox->dimensions());
t.setTranslation(v->bbox->min());
g->setChildTransform(t);
} else {
g->setChildTransform(Geom::identity());
}
}
}
static gint
sp_select_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event)
{
gint ret = FALSE;
SPDesktop *desktop = event_context->desktop;
SPSelectContext *sc = SP_SELECT_CONTEXT(event_context);
Inkscape::SelTrans *seltrans = sc->_seltrans;
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
// make sure we still have valid objects to move around
if (sc->item && SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))==NULL) {
sp_select_context_abort(event_context);
}
switch (event->type) {
case GDK_BUTTON_PRESS:
if (event->button.button == 1 && !event_context->space_panning) {
/* Left mousebutton */
// save drag origin
xp = (gint) event->button.x;
yp = (gint) event->button.y;
within_tolerance = true;
// remember what modifiers were on before button press
sc->button_press_shift = (event->button.state & GDK_SHIFT_MASK) ? true : false;
sc->button_press_ctrl = (event->button.state & GDK_CONTROL_MASK) ? true : false;
sc->button_press_alt = (event->button.state & GDK_MOD1_MASK) ? true : false;
if (event->button.state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK)) {
// if shift or ctrl was pressed, do not move objects;
// pass the event to root handler which will perform rubberband, shift-click, ctrl-click, ctrl-drag
} else {
sc->dragging = TRUE;
sc->moved = FALSE;
desktop->setCursor(SP_SELECT_D_CURSOR);
desktop->canvas->force_full_redraw_after_interruptions(5);
// remember the clicked item in sc->item:
if (sc->item) {
sp_object_unref(sc->item, NULL);
sc->item = NULL;
}
sc->item = sp_event_context_find_item (desktop,
Geom::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, FALSE);
sp_object_ref(sc->item, NULL);
rb_escaped = drag_escaped = 0;
if (sc->grabbed) {
sp_canvas_item_ungrab(sc->grabbed, event->button.time);
sc->grabbed = NULL;
}
sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->drawing),
GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK,
NULL, event->button.time);
sc->grabbed = SP_CANVAS_ITEM(desktop->drawing);
desktop->canvas->force_full_redraw_after_interruptions(5);
ret = TRUE;
}
} else if (event->button.button == 3) {
// right click; do not eat it so that right-click menu can appear, but cancel dragging & rubberband
sp_select_context_abort(event_context);
}
break;
case GDK_ENTER_NOTIFY:
{
if (!desktop->isWaitingCursor() && !sc->dragging) {
desktop->setCursor(SP_SELECT_CURSOR);
}
break;
}
case GDK_LEAVE_NOTIFY:
if (!desktop->isWaitingCursor() && !sc->dragging)
desktop->setCursor(event_context->cursor_shape);
break;
case GDK_KEY_PRESS:
if (get_group0_keyval (&event->key) == GDK_space) {
if (sc->dragging && sc->grabbed) {
/* stamping mode: show content mode moving */
seltrans->stamp();
ret = TRUE;
}
}
break;
default:
break;
}
if (!ret) {
if (((SPEventContextClass *) parent_class)->item_handler)
ret = ((SPEventContextClass *) parent_class)->item_handler(event_context, item, event);
}
return ret;
}
void SPUse::update(SPCtx *ctx, unsigned flags) {
SPItemCtx *ictx = (SPItemCtx *) ctx;
SPItemCtx cctx = *ictx;
unsigned childflags = flags;
if (flags & SP_OBJECT_MODIFIED_FLAG) {
childflags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
}
childflags &= SP_OBJECT_MODIFIED_CASCADE;
/* Set up child viewport */
if (this->x.unit == SVGLength::PERCENT) {
this->x.computed = this->x.value * ictx->viewport.width();
}
if (this->y.unit == SVGLength::PERCENT) {
this->y.computed = this->y.value * ictx->viewport.height();
}
if (this->width.unit == SVGLength::PERCENT) {
this->width.computed = this->width.value * ictx->viewport.width();
}
if (this->height.unit == SVGLength::PERCENT) {
this->height.computed = this->height.value * ictx->viewport.height();
}
cctx.viewport = Geom::Rect::from_xywh(0, 0, this->width.computed, this->height.computed);
cctx.i2vp = Geom::identity();
childflags &= ~SP_OBJECT_USER_MODIFIED_FLAG_B;
if (this->child) {
sp_object_ref(this->child);
if (childflags || (this->child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
SPItem const &chi = *SP_ITEM(this->child);
cctx.i2doc = chi.transform * ictx->i2doc;
cctx.i2vp = chi.transform * ictx->i2vp;
this->child->updateDisplay((SPCtx *)&cctx, childflags);
}
sp_object_unref(this->child);
}
SPItem::update(ctx, flags);
if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) {
for (SPItemView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);
g->setStyle(this->style);
}
}
/* As last step set additional transform of arena group */
for (SPItemView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);
Geom::Affine t(Geom::Translate(this->x.computed, this->y.computed));
g->setChildTransform(t);
}
}
void SPUse::update(SPCtx *ctx, unsigned flags) {
// std::cout << "SPUse::update: " << (getId()?getId():"null") << std::endl;
SPItemCtx *ictx = (SPItemCtx *) ctx;
SPItemCtx cctx = *ictx;
unsigned childflags = flags;
if (flags & SP_OBJECT_MODIFIED_FLAG) {
childflags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
}
childflags &= SP_OBJECT_MODIFIED_CASCADE;
/* Set up child viewport */
if (this->x.unit == SVGLength::PERCENT) {
this->x.computed = this->x.value * ictx->viewport.width();
}
if (this->y.unit == SVGLength::PERCENT) {
this->y.computed = this->y.value * ictx->viewport.height();
}
if (this->width.unit == SVGLength::PERCENT) {
this->width.computed = this->width.value * ictx->viewport.width();
}
if (this->height.unit == SVGLength::PERCENT) {
this->height.computed = this->height.value * ictx->viewport.height();
}
childflags &= ~SP_OBJECT_USER_MODIFIED_FLAG_B;
if (this->child) {
sp_object_ref(this->child);
// viewport is only changed if referencing a symbol or svg element
if( SP_IS_SYMBOL(this->child) || SP_IS_ROOT(this->child) ) {
cctx.viewport = Geom::Rect::from_xywh(0, 0, this->width.computed, this->height.computed);
cctx.i2vp = Geom::identity();
}
if (childflags || (this->child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
SPItem const *chi = dynamic_cast<SPItem const *>(child);
g_assert(chi != NULL);
cctx.i2doc = chi->transform * ictx->i2doc;
cctx.i2vp = chi->transform * ictx->i2vp;
this->child->updateDisplay((SPCtx *)&cctx, childflags);
}
sp_object_unref(this->child);
}
SPItem::update(ctx, flags);
if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) {
for (SPItemView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);
this->context_style = this->style;
g->setStyle(this->style, this->context_style);
}
}
/* As last step set additional transform of arena group */
for (SPItemView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);
Geom::Affine t(Geom::Translate(this->x.computed, this->y.computed));
g->setChildTransform(t);
}
}
/**
* This function will create a new tspan element with the same attributes as
* the tref had and add the same text as a child. The tref is replaced in the
* tree with the new tspan.
* The code is based partially on sp_use_unlink
*/
SPObject *
sp_tref_convert_to_tspan(SPObject *obj)
{
SPObject * new_tspan = NULL;
////////////////////
// BASE CASE
////////////////////
if (SP_IS_TREF(obj)) {
SPTRef *tref = SP_TREF(obj);
if (tref && tref->stringChild) {
Inkscape::XML::Node *tref_repr = tref->getRepr();
Inkscape::XML::Node *tref_parent = tref_repr->parent();
SPDocument *document = tref->document;
Inkscape::XML::Document *xml_doc = document->getReprDoc();
Inkscape::XML::Node *new_tspan_repr = xml_doc->createElement("svg:tspan");
// Add the new tspan element just after the current tref
tref_parent->addChild(new_tspan_repr, tref_repr);
Inkscape::GC::release(new_tspan_repr);
new_tspan = document->getObjectByRepr(new_tspan_repr);
// Create a new string child for the tspan
Inkscape::XML::Node *new_string_repr = tref->stringChild->getRepr()->duplicate(xml_doc);
new_tspan_repr->addChild(new_string_repr, NULL);
//SPObject * new_string_child = document->getObjectByRepr(new_string_repr);
// Merge style from the tref
SPStyle *new_tspan_sty = new_tspan->style;
SPStyle const *tref_sty = tref->style;
sp_style_merge_from_dying_parent(new_tspan_sty, tref_sty);
sp_style_merge_from_parent(new_tspan_sty, new_tspan->parent->style);
new_tspan->updateRepr();
// Hold onto our SPObject and repr for now.
sp_object_ref(tref, NULL);
Inkscape::GC::anchor(tref_repr);
// Remove ourselves, not propagating delete events to avoid a
// chain-reaction with other elements that might reference us.
tref->deleteObject(false);
// Give the copy our old id and let go of our old repr.
new_tspan_repr->setAttribute("id", tref_repr->attribute("id"));
Inkscape::GC::release(tref_repr);
// Establish the succession and let go of our object.
tref->setSuccessor(new_tspan);
sp_object_unref(tref, NULL);
}
}
////////////////////
// RECURSIVE CASE
////////////////////
else {
GSList *l = NULL;
for (SPObject *child = obj->firstChild() ; child != NULL ; child = child->getNext() ) {
sp_object_ref(child, obj);
l = g_slist_prepend (l, child);
}
l = g_slist_reverse (l);
while (l) {
SPObject *child = reinterpret_cast<SPObject *>(l->data); // We just built this list, so cast is safe.
l = g_slist_remove (l, child);
// Note that there may be more than one conversion happening here, so if it's not a
// tref being passed into this function, the returned value can't be specifically known
new_tspan = sp_tref_convert_to_tspan(child);
sp_object_unref(child, obj);
}
}
return new_tspan;
}
SPItem *SPUse::unlink() {
Inkscape::XML::Node *repr = this->getRepr();
if (!repr) {
return NULL;
}
Inkscape::XML::Node *parent = repr->parent();
SPDocument *document = this->document;
Inkscape::XML::Document *xml_doc = document->getReprDoc();
// Track the ultimate source of a chain of uses.
SPItem *orig = this->root();
if (!orig) {
return NULL;
}
// Calculate the accumulated transform, starting from the original.
Geom::Affine t = this->get_root_transform();
Inkscape::XML::Node *copy = NULL;
if (dynamic_cast<SPSymbol *>(orig)) { // make a group, copy children
copy = xml_doc->createElement("svg:g");
for (Inkscape::XML::Node *child = orig->getRepr()->firstChild() ; child != NULL; child = child->next()) {
Inkscape::XML::Node *newchild = child->duplicate(xml_doc);
copy->appendChild(newchild);
}
} else { // just copy
copy = orig->getRepr()->duplicate(xml_doc);
}
// Add the duplicate repr just after the existing one.
parent->addChild(copy, repr);
// Retrieve the SPItem of the resulting repr.
SPObject *unlinked = document->getObjectByRepr(copy);
// Merge style from the use.
unlinked->style->merge( this->style );
unlinked->style->cascade( unlinked->parent->style );
unlinked->updateRepr();
// Hold onto our SPObject and repr for now.
sp_object_ref(this, NULL);
Inkscape::GC::anchor(repr);
// Remove ourselves, not propagating delete events to avoid a
// chain-reaction with other elements that might reference us.
this->deleteObject(false);
// Give the copy our old id and let go of our old repr.
copy->setAttribute("id", repr->attribute("id"));
Inkscape::GC::release(repr);
// Remove tiled clone attrs.
copy->setAttribute("inkscape:tiled-clone-of", NULL);
copy->setAttribute("inkscape:tile-w", NULL);
copy->setAttribute("inkscape:tile-h", NULL);
copy->setAttribute("inkscape:tile-cx", NULL);
copy->setAttribute("inkscape:tile-cy", NULL);
// Establish the succession and let go of our object.
this->setSuccessor(unlinked);
sp_object_unref(this, NULL);
SPItem *item = dynamic_cast<SPItem *>(unlinked);
g_assert(item != NULL);
// Set the accummulated transform.
{
Geom::Affine nomove(Geom::identity());
// Advertise ourselves as not moving.
item->doWriteTransform(item->getRepr(), t, &nomove);
}
return item;
}
