Paul Davis
75e0f5a023
Not doing this results in accumulation of useless GUI object state which is never cleaned up. Taken from work by Grygorii Zharun.
110 lines
2.9 KiB
C++
110 lines
2.9 KiB
C++
/*
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Copyright (C) 2003 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_gtk_axis_view_h__
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#define __ardour_gtk_axis_view_h__
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#include <list>
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#include <boost/unordered_map.hpp>
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#include <gtkmm/label.h>
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#include <gdkmm/color.h>
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#include "pbd/xml++.h"
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#include "pbd/signals.h"
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#include "ardour/session_handle.h"
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#include "gui_object.h"
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#include "prompter.h"
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#include "selectable.h"
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namespace ARDOUR {
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class Session;
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}
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/**
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* AxisView defines the abstract base class for time-axis trackviews and routes.
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*
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*/
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class AxisView : public virtual Selectable, public PBD::ScopedConnectionList, public ARDOUR::SessionHandlePtr
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{
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public:
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/** @return the track's own color */
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Gdk::Color color () const { return _color; }
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ARDOUR::Session* session() const { return _session; }
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virtual std::string name() const = 0;
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sigc::signal<void> Hiding;
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void set_old_order_key (uint32_t ok) { _old_order_key = ok; }
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uint32_t old_order_key() const { return _old_order_key; }
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virtual std::string state_id() const = 0;
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/* for now, we always return properties in string form.
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*/
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std::string gui_property (const std::string& property_name) const;
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template<typename T> void set_gui_property (const std::string& property_name, const T& value) {
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std::stringstream s;
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s << value;
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property_hashtable.erase(property_name);
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property_hashtable.emplace(property_name, s.str());
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gui_object_state().set_property<T> (state_id(), property_name, value);
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}
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void cleanup_gui_properties () {
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/* remove related property node from the GUI state */
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gui_object_state().remove_node (state_id());
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property_hashtable.clear ();
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}
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bool marked_for_display () const;
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virtual bool set_marked_for_display (bool);
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static GUIObjectState& gui_object_state();
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void clear_property_cache() { property_hashtable.clear(); }
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protected:
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AxisView (ARDOUR::Session* sess);
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virtual ~AxisView();
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/**
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* Generate a new random TrackView color, unique from those colors already used.
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*
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* @return the unique random color.
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*/
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static Gdk::Color unique_random_color();
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Gdk::Color _color;
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static std::list<Gdk::Color> used_colors;
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Gtk::Label name_label;
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mutable boost::unordered_map<std::string, std::string> property_hashtable;
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uint32_t _old_order_key;
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}; /* class AxisView */
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#endif /* __ardour_gtk_axis_view_h__ */
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