![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/src/layer-manager.cpp b/src/layer-manager.cpp
index c2999f6c80c4bc2ea925ee65a12f0239fb7f0775..95cefc229f44351203035c37a2136e61a7bf4d39 100644 (file)
--- a/src/layer-manager.cpp
+++ b/src/layer-manager.cpp
* to a particular desktop
*
* Copyright 2006 MenTaLguY <mental@rydia.net>
+ * Abhishek Sharma
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
+#include <set>
#include <sigc++/functors/mem_fun.h>
#include <sigc++/adaptors/hide.h>
#include "gc-managed.h"
#include "gc-finalized.h"
#include "document.h"
#include "desktop.h"
+#include "desktop-handles.h"
#include "layer-manager.h"
+#include "preferences.h"
#include "ui/view/view.h"
+#include "selection.h"
#include "sp-object.h"
+#include "sp-item-group.h"
#include "xml/node.h"
+#include "xml/node-observer.h"
+#include "util/format.h"
+// #include "debug/event-tracker.h"
+// #include "debug/simple-event.h"
namespace Inkscape {
+
+using Inkscape::XML::Node;
+
+class LayerManager::LayerWatcher : public Inkscape::XML::NodeObserver {
+public:
+ LayerWatcher(LayerManager* mgr, SPObject* obj, sigc::connection c) :
+ _mgr(mgr),
+ _obj(obj),
+ _connection(c),
+ _lockedAttr(g_quark_from_string("sodipodi:insensitive")),
+ _labelAttr(g_quark_from_string("inkscape:label"))
+ {}
+
+ virtual void notifyChildAdded( Node &/*node*/, Node &/*child*/, Node */*prev*/ ) {}
+ virtual void notifyChildRemoved( Node &/*node*/, Node &/*child*/, Node */*prev*/ ) {}
+ virtual void notifyChildOrderChanged( Node &/*node*/, Node &/*child*/, Node */*old_prev*/, Node */*new_prev*/ ) {}
+ virtual void notifyContentChanged( Node &/*node*/, Util::ptr_shared<char> /*old_content*/, Util::ptr_shared<char> /*new_content*/ ) {}
+ virtual void notifyAttributeChanged( Node &/*node*/, GQuark name, Util::ptr_shared<char> /*old_value*/, Util::ptr_shared<char> /*new_value*/ ) {
+ if ( name == _lockedAttr || name == _labelAttr ) {
+ if ( _mgr && _obj ) {
+ _mgr->_objectModified( _obj, 0 );
+ }
+ }
+ }
+
+ LayerManager* _mgr;
+ SPObject* _obj;
+ sigc::connection _connection;
+ GQuark _lockedAttr;
+ GQuark _labelAttr;
+};
+
+/*
+namespace {
+
+Util::ptr_shared<char> stringify_node(Node const &node);
+
+Util::ptr_shared<char> stringify_obj(SPObject const &obj) {
+ gchar *string;
+
+ if (obj.id) {
+ string = g_strdup_printf("SPObject(%p)=%s repr(%p)", &obj, obj.id, obj.repr);
+ } else {
+ string = g_strdup_printf("SPObject(%p) repr(%p)", &obj, obj.repr);
+ }
+
+ Util::ptr_shared<char> result=Util::share_string(string);
+ g_free(string);
+ return result;
+
+}
+
+typedef Debug::SimpleEvent<Debug::Event::OTHER> DebugLayer;
+
+class DebugLayerNote : public DebugLayer {
+public:
+ DebugLayerNote(Util::ptr_shared<char> descr)
+ : DebugLayer(Util::share_static_string("layer-note"))
+ {
+ _addProperty("descr", descr);
+ }
+};
+
+class DebugLayerRebuild : public DebugLayer {
+public:
+ DebugLayerRebuild()
+ : DebugLayer(Util::share_static_string("rebuild-layers"))
+ {
+ }
+};
+
+class DebugLayerObj : public DebugLayer {
+public:
+ DebugLayerObj(SPObject const& obj, Util::ptr_shared<char> name)
+ : DebugLayer(name)
+ {
+ _addProperty("layer", stringify_obj(obj));
+ }
+};
+
+class DebugAddLayer : public DebugLayerObj {
+public:
+ DebugAddLayer(SPObject const &obj)
+ : DebugLayerObj(obj, Util::share_static_string("add-layer"))
+ {
+ }
+};
+
+
+} // end of namespace
+*/
+
LayerManager::LayerManager(SPDesktop *desktop)
: _desktop(desktop), _document(NULL)
{
-// _layer_connection = desktop->connectCurrentLayerChanged( sigc::hide<0>( sigc::mem_fun(*this, &LayerManager::_rebuild) ) );
+ _layer_connection = desktop->connectCurrentLayerChanged( sigc::mem_fun(*this, &LayerManager::_selectedLayerChanged) );
sigc::bound_mem_functor1<void, Inkscape::LayerManager, SPDocument*> first = sigc::mem_fun(*this, &LayerManager::_setDocument);
_setDocument(desktop->doc());
}
+LayerManager::~LayerManager()
+{
+ _layer_connection.disconnect();
+ _document_connection.disconnect();
+ _resource_connection.disconnect();
+ _document = 0;
+}
+
+void LayerManager::setCurrentLayer( SPObject* obj )
+{
+ //g_return_if_fail( _desktop->currentRoot() );
+ if ( _desktop->currentRoot() ) {
+ _desktop->setCurrentLayer( obj );
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ if (prefs->getBool("/options/selection/layerdeselect", true)) {
+ sp_desktop_selection( _desktop )->clear();
+ }
+ }
+}
+
+void LayerManager::renameLayer( SPObject* obj, gchar const *label, bool uniquify )
+{
+ Glib::ustring incoming( label ? label : "" );
+ Glib::ustring result(incoming);
+ Glib::ustring base(incoming);
+ guint startNum = 1;
+
+ if (uniquify) {
+
+ Glib::ustring::size_type pos = base.rfind('#');
+ if ( pos != Glib::ustring::npos ) {
+ gchar* numpart = g_strdup(base.substr(pos+1).c_str());
+ if ( numpart ) {
+ gchar* endPtr = 0;
+ guint64 val = g_ascii_strtoull( numpart, &endPtr, 10);
+ if ( ((val > 0) || (endPtr != numpart)) && (val < 65536) ) {
+ base.erase( pos );
+ result = base;
+ startNum = static_cast<int>(val);
+ }
+ g_free(numpart);
+ }
+ }
+
+ std::set<Glib::ustring> currentNames;
+ GSList const *layers=_document->getResourceList("layer");
+ SPObject *root=_desktop->currentRoot();
+ if ( root ) {
+ for ( GSList const *iter=layers ; iter ; iter = iter->next ) {
+ SPObject *layer=static_cast<SPObject *>(iter->data);
+ if ( layer != obj ) {
+ currentNames.insert( layer->label() ? Glib::ustring(layer->label()) : Glib::ustring() );
+ }
+ }
+ }
+
+ // Not sure if we need to cap it, but we'll just be paranoid for the moment
+ // Intentionally unsigned
+ guint endNum = startNum + 3000;
+ for ( guint i = startNum; (i < endNum) && (currentNames.find(result) != currentNames.end()); i++ ) {
+ gchar* suffix = g_strdup_printf("#%d", i);
+ result = base;
+ result += suffix;
+
+ g_free(suffix);
+ }
+
+ }
+
+ obj->setLabel( result.c_str() );
+}
+
+
+
void LayerManager::_setDocument(SPDocument *document) {
if (_document) {
_resource_connection.disconnect();
}
_document = document;
if (document) {
- _resource_connection = sp_document_resources_changed_connect(document, "layer", sigc::mem_fun(*this, &LayerManager::_rebuild));
+ _resource_connection = document->connectResourcesChanged("layer", sigc::mem_fun(*this, &LayerManager::_rebuild));
}
_rebuild();
}
+void LayerManager::_objectModified( SPObject* obj, guint /*flags*/ )
+{
+ _details_changed_signal.emit( obj );
+}
+
void LayerManager::_rebuild() {
+// Debug::EventTracker<DebugLayerRebuild> tracker1();
+
+ while ( !_watchers.empty() ) {
+ LayerWatcher* one = _watchers.back();
+ _watchers.pop_back();
+ if ( one->_obj ) {
+ Node* node = SP_OBJECT_REPR(one->_obj);
+ if ( node ) {
+ node->removeObserver(*one);
+ }
+ one->_connection.disconnect();
+ }
+ }
+
_clear();
- GSList const *layers=sp_document_get_resource_list(_document, "layer");
+
+ if (!_document) // http://sourceforge.net/mailarchive/forum.php?thread_name=5747bce9a7ed077c1b4fc9f0f4f8a5e0%40localhost&forum_name=inkscape-devel
+ return;
+
+ GSList const *layers = _document->getResourceList("layer");
SPObject *root=_desktop->currentRoot();
if ( root ) {
_addOne(root);
- for ( GSList const *iter=layers ; iter ; iter = iter->next ) {
- SPObject *layer=static_cast<SPObject *>(iter->data);
+ std::set<SPGroup*> layersToAdd;
- for ( SPObject* curr = layer; curr && (curr != root) ; curr = SP_OBJECT_PARENT(curr) ) {
- if ( (curr != root) && root->isAncestorOf(curr) && !includes(curr) ) {
- // Filter out objects in the middle of being deleted
+ for ( GSList const *iter = layers; iter; iter = iter->next ) {
+ SPObject *layer = static_cast<SPObject *>(iter->data);
+// Debug::EventTracker<DebugLayerNote> tracker(Util::format("Examining %s", layer->label()));
+ bool needsAdd = false;
+ std::set<SPGroup*> additional;
- // Such may have been the cause of bug 1339397.
- // See http://sourceforge.net/tracker/index.php?func=detail&aid=1339397&group_id=93438&atid=604306
- SPObject const *higher = curr;
- while ( higher && (SP_OBJECT_PARENT(higher) != root) ) {
- higher = SP_OBJECT_PARENT(higher);
+ if ( root->isAncestorOf(layer) ) {
+ needsAdd = true;
+ for ( SPObject* curr = layer; curr && (curr != root) && needsAdd; curr = SP_OBJECT_PARENT(curr) ) {
+ if ( SP_IS_GROUP(curr) ) {
+ SPGroup* group = SP_GROUP(curr);
+ if ( group->layerMode() == SPGroup::LAYER ) {
+ // If we have a layer-group as the one or a parent, ensure it is listed as a valid layer.
+ needsAdd &= ( g_slist_find(const_cast<GSList *>(layers), curr) != NULL );
+ // XML Tree being used here directly while it shouldn't be...
+ if ( (!(group->getRepr())) || (!(group->getRepr()->parent())) ) {
+ needsAdd = false;
+ }
+ } else {
+ // If a non-layer group is a parent of layer groups, then show it also as a layer.
+ // TODO add the magic Inkscape group mode?
+ // XML Tree being used directly while it shouldn't be...
+ if ( group->getRepr() && group->getRepr()->parent() ) {
+ additional.insert(group);
+ } else {
+ needsAdd = false;
+ }
+ }
}
- Inkscape::XML::Node* node = higher ? SP_OBJECT_REPR(higher) : 0;
- if ( node && node->parent() ) {
- _addOne(curr);
+ }
+ }
+ if ( needsAdd ) {
+ if ( !includes(layer) ) {
+ layersToAdd.insert(SP_GROUP(layer));
+ }
+ for ( std::set<SPGroup*>::iterator it = additional.begin(); it != additional.end(); ++it ) {
+ if ( !includes(*it) ) {
+ layersToAdd.insert(*it);
}
}
}
}
+
+ for ( std::set<SPGroup*>::iterator it = layersToAdd.begin(); it != layersToAdd.end(); ++it ) {
+ SPGroup* layer = *it;
+ // Filter out objects in the middle of being deleted
+
+ // Such may have been the cause of bug 1339397.
+ // See http://sourceforge.net/tracker/index.php?func=detail&aid=1339397&group_id=93438&atid=604306
+
+ SPObject const *higher = layer;
+ while ( higher && (SP_OBJECT_PARENT(higher) != root) ) {
+ higher = SP_OBJECT_PARENT(higher);
+ }
+ Node* node = higher ? SP_OBJECT_REPR(higher) : 0;
+ if ( node && node->parent() ) {
+// Debug::EventTracker<DebugAddLayer> tracker(*layer);
+
+ sigc::connection connection = layer->connectModified(sigc::mem_fun(*this, &LayerManager::_objectModified));
+
+ LayerWatcher *eye = new LayerWatcher(this, layer, connection);
+ _watchers.push_back( eye );
+ SP_OBJECT_REPR(layer)->addObserver(*eye);
+
+ _addOne(layer);
+ }
+ }
}
}
+// Connected to the desktop's CurrentLayerChanged signal
+void LayerManager::_selectedLayerChanged(SPObject *layer)
+{
+ // notify anyone who's listening to this instead of directly to the desktop
+ _layer_changed_signal.emit(layer);
+}
+
}
/*
fill-column:99
End:
*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :