59 lines
1.1 KiB
C++
59 lines
1.1 KiB
C++
#ifndef __CANVAS_GROUP_H__
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#define __CANVAS_GROUP_H__
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#include <list>
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#include <vector>
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#include "canvas/item.h"
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#include "canvas/types.h"
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#include "canvas/lookup_table.h"
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namespace ArdourCanvas {
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class Group : public Item
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{
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public:
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explicit Group (Group *);
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explicit Group (Group *, Duple);
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~Group ();
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void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
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virtual void compute_bounding_box () const;
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XMLNode* get_state () const;
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void set_state (XMLNode const *);
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void add (Item *);
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void remove (Item *);
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std::list<Item*> const & items () const {
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return _items;
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}
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void raise_child_to_top (Item *);
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void raise_child (Item *, int);
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void lower_child_to_bottom (Item *);
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void child_changed ();
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void add_items_at_point (Duple, std::vector<Item const *> &) const;
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static int default_items_per_cell;
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protected:
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explicit Group (Canvas *);
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private:
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friend class ::OptimizingLookupTableTest;
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Group (Group const &);
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void ensure_lut () const;
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void invalidate_lut () const;
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/* our items, from lowest to highest in the stack */
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std::list<Item*> _items;
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mutable LookupTable* _lut;
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};
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}
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#endif
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