diff options
Diffstat (limited to 'src/selection.cpp')
| -rw-r--r-- | src/selection.cpp | 422 |
1 files changed, 36 insertions, 386 deletions
diff --git a/src/selection.cpp b/src/selection.cpp index 91d6d2634..bdd4f0dc7 100644 --- a/src/selection.cpp +++ b/src/selection.cpp @@ -7,8 +7,10 @@ * bulia byak <buliabyak@users.sf.net> * Andrius R. <knutux@gmail.com> * Abhishek Sharma + * Adrian Boguszewski * - * Copyright (C) 2006 Andrius R. + * Copyright (C) 2016 Adrian Boguszewski + * Copyright (C) 2006 Andrius R. * Copyright (C) 2004-2005 MenTaLguY * Copyright (C) 1999-2002 Lauris Kaplinski * Copyright (C) 2001-2002 Ximian, Inc. @@ -17,38 +19,24 @@ */ #ifdef HAVE_CONFIG_H -# include <config.h> #endif -#include "macros.h" + #include "inkscape.h" -#include "document.h" -#include "layer-model.h" -#include "selection.h" -#include <2geom/rect.h> #include "xml/repr.h" #include "preferences.h" #include "sp-shape.h" #include "sp-path.h" -#include "sp-item-group.h" -#include "box3d.h" -#include "box3d.h" -#include "persp3d.h" - -#include <sigc++/functors/mem_fun.h> +#include "desktop.h" +#include "document.h" #define SP_SELECTION_UPDATE_PRIORITY (G_PRIORITY_HIGH_IDLE + 1) namespace Inkscape { -Selection::Selection(LayerModel *layers, SPDesktop *desktop) : - _objs(std::list<SPObject*>()), - _objs_vector(std::vector<SPObject*>()), - _objs_set(std::set<SPObject*>()), - _reprs(std::vector<XML::Node*>()), - _items(std::vector<SPItem*>()), +Selection::Selection(LayerModel *layers, SPDesktop *desktop): + ObjectSet(desktop), _layers(layers), - _desktop(desktop), _selection_context(NULL), _flags(0), _idle(0) @@ -56,7 +44,6 @@ Selection::Selection(LayerModel *layers, SPDesktop *desktop) : } Selection::~Selection() { - _clear(); _layers = NULL; if (_idle) { g_source_remove(_idle); @@ -76,8 +63,7 @@ void Selection::_schedule_modified(SPObject */*obj*/, guint flags) { this->_flags |= flags; } -gboolean -Selection::_emit_modified(Selection *selection) +gboolean Selection::_emit_modified(Selection *selection) { /* force new handler to be created if requested before we return */ selection->_idle = 0; @@ -110,8 +96,7 @@ void Selection::_emitChanged(bool persist_selection_context/* = false */) { _changed_signal.emit(this); } -void -Selection::_releaseContext(SPObject *obj) +void Selection::_releaseContext(SPObject *obj) { if (NULL == _selection_context || _selection_context != obj) return; @@ -122,359 +107,38 @@ Selection::_releaseContext(SPObject *obj) _selection_context = NULL; } -void Selection::_invalidateCachedLists() { - _items.clear(); - _reprs.clear(); - _objs_vector.clear(); -} - -void Selection::_clear() { - _invalidateCachedLists(); - while (!_objs.empty()) { - SPObject *obj=_objs.front(); - _remove(obj); - } -} - SPObject *Selection::activeContext() { if (NULL != _selection_context) return _selection_context; return _layers->currentLayer(); - } - -bool Selection::includes(SPObject *obj) const { - if (obj == NULL) - return FALSE; - - g_return_val_if_fail(SP_IS_OBJECT(obj), FALSE); - - return ( _objs_set.find(obj)!=_objs_set.end() ); -} - -void Selection::add(SPObject *obj, bool persist_selection_context/* = false */) { - g_return_if_fail(obj != NULL); - g_return_if_fail(SP_IS_OBJECT(obj)); - g_return_if_fail(obj->document != NULL); - - if (includes(obj)) { - return; - } - - _invalidateCachedLists(); - _add(obj); - _emitChanged(persist_selection_context); -} - -void Selection::add_3D_boxes_recursively(SPObject *obj) { - std::list<SPBox3D *> boxes = box3d_extract_boxes(obj); - - for (std::list<SPBox3D *>::iterator i = boxes.begin(); i != boxes.end(); ++i) { - SPBox3D *box = *i; - _3dboxes.push_back(box); - } -} - -void Selection::_add(SPObject *obj) { - // unselect any of the item's ancestors and descendants which may be selected - // (to prevent double-selection) - _removeObjectDescendants(obj); - _removeObjectAncestors(obj); - g_return_if_fail(SP_IS_OBJECT(obj)); - - _objs.push_front(obj); - _objs_set.insert(obj); - - add_3D_boxes_recursively(obj); - - _release_connections[obj] = obj->connectRelease(sigc::mem_fun(*this, (void (Selection::*)(SPObject *))&Selection::remove)); - _modified_connections[obj] = obj->connectModified(sigc::mem_fun(*this, &Selection::_schedule_modified)); } void Selection::set(SPObject *object, bool persist_selection_context) { - _clear(); - add(object, persist_selection_context); -} - -void Selection::toggle(SPObject *obj) { - if (includes (obj)) { - remove (obj); - } else { - add(obj); - } -} - -void Selection::remove(SPObject *obj) { - g_return_if_fail(obj != NULL); - g_return_if_fail(SP_IS_OBJECT(obj)); - g_return_if_fail(includes(obj)); - - _invalidateCachedLists(); - _remove(obj); - _emitChanged(); -} - -void Selection::remove_3D_boxes_recursively(SPObject *obj) { - std::list<SPBox3D *> boxes = box3d_extract_boxes(obj); - - for (std::list<SPBox3D *>::iterator i = boxes.begin(); i != boxes.end(); ++i) { - SPBox3D *box = *i; - std::list<SPBox3D *>::iterator b = std::find(_3dboxes.begin(), _3dboxes.end(), box); - if (b == _3dboxes.end()) { - g_print ("Warning! Trying to remove unselected box from selection.\n"); - return; - } - _3dboxes.erase(b); - } -} - -void Selection::_remove(SPObject *obj) { - _modified_connections[obj].disconnect(); - _modified_connections.erase(obj); - - _release_connections[obj].disconnect(); - _release_connections.erase(obj); - - remove_3D_boxes_recursively(obj); - - _objs.remove(obj); - _objs_set.erase(obj); -} - -void Selection::setList(std::vector<SPItem*> const &list) { - // Clear and add, or just clear with emit. - if (!list.empty()) { - _clear(); - addList(list); - } else clear(); -} - -void Selection::addList(std::vector<SPItem*> const &list) { - - if (list.empty()) - return; - - _invalidateCachedLists(); - - for ( std::vector<SPItem*>::const_iterator iter=list.begin();iter!=list.end(); ++iter) { - SPObject *obj = *iter; - if (includes(obj)) continue; - _add (obj); - } - - _emitChanged(); + ObjectSet::set(object); + _emitChanged(persist_selection_context); } void Selection::setReprList(std::vector<XML::Node*> const &list) { - _clear(); + clear(); - for ( std::vector<XML::Node*>::const_reverse_iterator iter=list.rbegin();iter!=list.rend(); ++iter) { - SPObject *obj=_objectForXMLNode(*iter); + for (std::vector<XML::Node*>::const_reverse_iterator iter = list.rbegin(); iter != list.rend(); ++iter) { + SPObject *obj = _objectForXMLNode(*iter); if (obj) { - _add(obj); + add(obj); } } _emitChanged(); } -void Selection::clear() { - _clear(); - _emitChanged(); -} - -void Selection::emitModified() -{ - _emitChanged(); -} - -std::vector<SPObject*> const &Selection::list() { - if(!_objs_vector.empty()) - return _objs_vector; - - for ( std::list<SPObject*>::const_iterator iter=_objs.begin();iter!=_objs.end(); ++iter) { - _objs_vector.push_back(*iter); - } - return _objs_vector; - -} - -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; -} - -std::vector<XML::Node*> const &Selection::reprList() { - if (!_reprs.empty()) { return _reprs; } - std::vector<SPItem*> list = itemList(); - for ( std::vector<SPItem*>::const_iterator iter=list.begin();iter!=list.end(); ++iter) { - SPObject *obj = *iter; - _reprs.push_back(obj->getRepr()); - } - return _reprs; -} - -std::list<Persp3D *> const Selection::perspList() { - std::list<Persp3D *> pl; - for (std::list<SPBox3D *>::iterator i = _3dboxes.begin(); i != _3dboxes.end(); ++i) { - Persp3D *persp = box3d_get_perspective(*i); - if (std::find(pl.begin(), pl.end(), persp) == pl.end()) - pl.push_back(persp); - } - return pl; -} - -std::list<SPBox3D *> const Selection::box3DList(Persp3D *persp) { - std::list<SPBox3D *> boxes; - if (persp) { - for (std::list<SPBox3D *>::iterator i = _3dboxes.begin(); i != _3dboxes.end(); ++i) { - SPBox3D *box = *i; - if (persp == box3d_get_perspective(box)) { - boxes.push_back(box); - } - } - } else { - boxes = _3dboxes; - } - return boxes; -} - -SPObject *Selection::single() { - if ( _objs.size() == 1 ) { - return _objs.front(); - } else { - return NULL; - } -} - -SPItem *Selection::singleItem() { - std::vector<SPItem*> const items=itemList(); - if ( items.size()==1) { - return items[0]; - } else { - return NULL; - } -} - -SPItem *Selection::smallestItem(Selection::CompareSize compare) { - return _sizeistItem(true, compare); -} - -SPItem *Selection::largestItem(Selection::CompareSize compare) { - return _sizeistItem(false, compare); -} - -SPItem *Selection::_sizeistItem(bool sml, Selection::CompareSize compare) { - std::vector<SPItem*> const items = const_cast<Selection *>(this)->itemList(); - gdouble max = sml ? 1e18 : 0; - SPItem *ist = NULL; - - for ( std::vector<SPItem*>::const_iterator i=items.begin();i!=items.end(); ++i) { - Geom::OptRect obox = SP_ITEM(*i)->desktopPreferredBounds(); - if (!obox || obox.empty()) continue; - Geom::Rect bbox = *obox; - - gdouble size = compare == 2 ? bbox.area() : - (compare == 1 ? bbox.width() : bbox.height()); - size = sml ? size : size * -1; - if (size < max) { - max = size; - ist = SP_ITEM(*i); - } - } - return ist; -} - -Inkscape::XML::Node *Selection::singleRepr() { - SPObject *obj=single(); - return obj ? obj->getRepr() : NULL; -} - -Geom::OptRect Selection::bounds(SPItem::BBoxType type) const -{ - return (type == SPItem::GEOMETRIC_BBOX) ? - geometricBounds() : visualBounds(); -} - -Geom::OptRect Selection::geometricBounds() const -{ - std::vector<SPItem*> const items = const_cast<Selection *>(this)->itemList(); - - Geom::OptRect bbox; - for ( std::vector<SPItem*>::const_iterator iter=items.begin();iter!=items.end(); ++iter) { - bbox.unionWith(SP_ITEM(*iter)->desktopGeometricBounds()); - } - return bbox; -} - -Geom::OptRect Selection::visualBounds() const -{ - std::vector<SPItem*> const items = const_cast<Selection *>(this)->itemList(); - - Geom::OptRect bbox; - for ( std::vector<SPItem*>::const_iterator iter=items.begin();iter!=items.end(); ++iter) { - bbox.unionWith(SP_ITEM(*iter)->desktopVisualBounds()); - } - return bbox; -} - -Geom::OptRect Selection::preferredBounds() const -{ - if (Inkscape::Preferences::get()->getInt("/tools/bounding_box") == 0) { - return bounds(SPItem::VISUAL_BBOX); - } else { - return bounds(SPItem::GEOMETRIC_BBOX); - } -} - -Geom::OptRect Selection::documentBounds(SPItem::BBoxType type) const -{ - Geom::OptRect bbox; - std::vector<SPItem*> const items = const_cast<Selection *>(this)->itemList(); - if (items.empty()) return bbox; - - for ( std::vector<SPItem*>::const_iterator iter=items.begin();iter!=items.end(); ++iter) { - SPItem *item = SP_ITEM(*iter); - bbox |= item->documentBounds(type); - } - - return bbox; -} - -// If we have a selection of multiple items, then the center of the first item -// will be returned; this is also the case in SelTrans::centerRequest() -boost::optional<Geom::Point> Selection::center() const { - std::vector<SPItem*> const items = const_cast<Selection *>(this)->itemList(); - if (!items.empty()) { - SPItem *first = items.back(); // from the first item in selection - if (first->isCenterSet()) { // only if set explicitly - return first->getCenter(); - } - } - Geom::OptRect bbox = preferredBounds(); - if (bbox) { - return bbox->midpoint(); - } else { - return boost::optional<Geom::Point>(); - } -} - std::vector<Inkscape::SnapCandidatePoint> Selection::getSnapPoints(SnapPreferences const *snapprefs) const { std::vector<Inkscape::SnapCandidatePoint> p; if (snapprefs != NULL){ SnapPreferences snapprefs_dummy = *snapprefs; // create a local copy of the snapping prefs snapprefs_dummy.setTargetSnappable(Inkscape::SNAPTARGET_ROTATION_CENTER, false); // locally disable snapping to the item center - std::vector<SPItem*> const items = const_cast<Selection *>(this)->itemList(); - for ( std::vector<SPItem*>::const_iterator iter=items.begin();iter!=items.end(); ++iter) { + auto items = const_cast<Selection *>(this)->items(); + for (auto iter = items.begin(); iter != items.end(); ++iter) { SPItem *this_item = *iter; this_item->getSnappoints(p, &snapprefs_dummy); @@ -489,34 +153,6 @@ std::vector<Inkscape::SnapCandidatePoint> Selection::getSnapPoints(SnapPreferenc return p; } -void Selection::_removeObjectDescendants(SPObject *obj) { - std::vector<SPObject*> toremove; - for ( std::list<SPObject*>::const_iterator iter=_objs.begin();iter!=_objs.end(); ++iter) { - SPObject *sel_obj= dynamic_cast<SPObject*>(*iter); - SPObject *parent = sel_obj->parent; - while (parent) { - if ( parent == obj ) { - toremove.push_back(sel_obj); - break; - } - parent = parent->parent; - } - } - for ( std::vector<SPObject*>::const_iterator iter=toremove.begin();iter!=toremove.end(); ++iter) { - _remove(*iter); - } -} - -void Selection::_removeObjectAncestors(SPObject *obj) { - SPObject *parent = obj->parent; - while (parent) { - if (includes(parent)) { - _remove(parent); - } - parent = parent->parent; - } -} - SPObject *Selection::_objectForXMLNode(Inkscape::XML::Node *repr) const { g_return_val_if_fail(repr != NULL, NULL); gchar const *id = repr->attribute("id"); @@ -527,25 +163,39 @@ SPObject *Selection::_objectForXMLNode(Inkscape::XML::Node *repr) const { } size_t Selection::numberOfLayers() { - std::vector<SPItem*> const items = const_cast<Selection *>(this)->itemList(); + auto items = this->items(); std::set<SPObject*> layers; - for ( std::vector<SPItem*>::const_iterator iter=items.begin();iter!=items.end(); ++iter) { + for (auto iter = items.begin(); iter != items.end(); ++iter) { SPObject *layer = _layers->layerForObject(*iter); layers.insert(layer); } + return layers.size(); } size_t Selection::numberOfParents() { - std::vector<SPItem*> const items = const_cast<Selection *>(this)->itemList(); + auto items = this->items(); std::set<SPObject*> parents; - for ( std::vector<SPItem*>::const_iterator iter=items.begin();iter!=items.end(); ++iter) { + for (auto iter = items.begin(); iter != items.end(); ++iter) { SPObject *parent = (*iter)->parent; parents.insert(parent); } return parents.size(); } +void Selection::_emitSignals() { + _emitChanged(); +} + +void Selection::_connectSignals(SPObject *object) { + _modified_connections[object] = object->connectModified(sigc::mem_fun(*this, &Selection::_schedule_modified)); +} + +void Selection::_releaseSignals(SPObject *object) { + _modified_connections[object].disconnect(); + _modified_connections.erase(object); +} + } /* |