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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Inkscape::LayerManager - a view of a document's layers, relative
* to a particular desktop
*
* Copyright 2006 MenTaLguY <mental@rydia.net>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_INKSCAPE_LAYER_MANAGER_H
#define SEEN_INKSCAPE_LAYER_MANAGER_H
#include <memory>
#include <vector>
#include <glibmm/ustring.h>
#include "document-subset.h"
#include "inkgc/gc-soft-ptr.h"
#include "object/sp-item-group.h"
class SPDesktop;
class SPDocument;
namespace Inkscape {
class ObjectHierarchy;
class LayerManager : public DocumentSubset
{
public:
LayerManager(SPDesktop *desktop);
~LayerManager() override;
void renameLayer( SPObject* obj, char const *label, bool uniquify );
Glib::ustring getNextLayerName( SPObject* obj, char const *label);
sigc::connection connectCurrentLayerChanged(const sigc::slot<void, SPGroup *> & slot) {
return _layer_changed_signal.connect(slot);
}
SPGroup *currentRoot() const;
SPGroup *currentLayer() const;
unsigned getLayerCount() const { return childCount(currentRoot()); }
void reset();
void setCurrentLayer(SPObject *object, bool clear=false);
void toggleLayerSolo(SPObject *object, bool force_hide = false);
void toggleHideAllLayers(bool hide);
void toggleLockAllLayers(bool lock);
void toggleLockOtherLayers(SPObject *object, bool force_lock = false);
SPObject *layerForObject(SPObject *object);
std::list<SPItem *> getAllLayers();
bool isLayer(SPObject *object) const;
static SPGroup *asLayer(SPObject *object);
bool isRoot() const { return currentLayer() == currentRoot(); }
private:
void _objectModified( SPObject* obj, unsigned int flags );
void _setDocument(SPDesktop *, SPDocument *document);
void _rebuild();
void _selectedLayerChanged(SPObject *top, SPObject *bottom);
void _layer_activated(SPObject *layer);
void _layer_deactivated(SPObject *layer);
sigc::connection _layer_connection;
sigc::connection _activate_connection;
sigc::connection _deactivate_connection;
sigc::connection _document_connection;
sigc::connection _resource_connection;
SPDesktop *_desktop;
SPDocument *_document;
std::unique_ptr<Inkscape::ObjectHierarchy> _layer_hierarchy;
sigc::signal<void, SPGroup *> _layer_changed_signal;
};
enum LayerRelativePosition {
LPOS_ABOVE,
LPOS_BELOW,
LPOS_CHILD,
};
SPObject *create_layer(SPObject *root, SPObject *layer, LayerRelativePosition position);
SPObject *next_layer(SPObject *root, SPObject *layer);
SPObject *previous_layer(SPObject *root, SPObject *layer);
}
#endif
/*
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:fileencoding=utf-8:textwidth=99 :
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