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Diffstat (limited to 'src/Canvas.hpp')
-rw-r--r-- | src/Canvas.hpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/Canvas.hpp b/src/Canvas.hpp new file mode 100644 index 0000000..cf27155 --- /dev/null +++ b/src/Canvas.hpp @@ -0,0 +1,94 @@ +/* This file is part of Patchage. + * Copyright 2007-2020 David Robillard <d@drobilla.net> + * + * Patchage is free software: you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free + * Software Foundation, either version 3 of the License, or (at your option) + * any later version. + * + * Patchage is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. + * + * You should have received a copy of the GNU General Public License + * along with Patchage. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef PATCHAGE_PATCHAGECANVAS_HPP +#define PATCHAGE_PATCHAGECANVAS_HPP + +#include "patchage_config.h" + +#include "CanvasModule.hpp" +#include "Event.hpp" +#include "PortID.hpp" +#include "warnings.hpp" + +PATCHAGE_DISABLE_GANV_WARNINGS +#include "ganv/Canvas.hpp" +PATCHAGE_RESTORE_WARNINGS + +#include <map> +#include <string> +#include <utility> + +namespace patchage { + +class Patchage; +class CanvasModule; +class CanvasPort; +class Connector; + +class Canvas : public Ganv::Canvas +{ +public: + Canvas(Connector& connector, int width, int height); + + CanvasModule* create_module(Patchage& patchage, + const ClientID& id, + const ClientInfo& info); + + CanvasPort* + create_port(Patchage& patchage, const PortID& id, const PortInfo& info); + + CanvasModule* find_module(const ClientID& id, SignalDirection type); + CanvasPort* find_port(const PortID& id); + + void remove_module(const ClientID& id); + void remove_module(CanvasModule* module); + + void index_port(const PortID& id, CanvasPort* port) + { + _port_index.insert(std::make_pair(id, port)); + } + + void remove_ports(bool (*pred)(const CanvasPort*)); + + void add_module(const ClientID& id, CanvasModule* module); + + bool make_connection(Ganv::Node* tail, Ganv::Node* head); + + void remove_port(const PortID& id); + + void clear() override; + +private: + using PortIndex = std::map<const PortID, CanvasPort*>; + using ModuleIndex = std::multimap<const ClientID, CanvasModule*>; + + friend void disconnect_edge(GanvEdge*, void*); + + bool on_event(GdkEvent* ev); + bool on_connection_event(Ganv::Edge* c, GdkEvent* ev); + + void on_connect(Ganv::Node* port1, Ganv::Node* port2); + void on_disconnect(Ganv::Node* port1, Ganv::Node* port2); + + Connector& _connector; + PortIndex _port_index; + ModuleIndex _module_index; +}; + +} // namespace patchage + +#endif // PATCHAGE_PATCHAGECANVAS_HPP |