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Diffstat (limited to 'src/libs/client/ThreadedSigClientInterface.h')
| -rw-r--r-- | src/libs/client/ThreadedSigClientInterface.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/libs/client/ThreadedSigClientInterface.h b/src/libs/client/ThreadedSigClientInterface.h new file mode 100644 index 00000000..16259531 --- /dev/null +++ b/src/libs/client/ThreadedSigClientInterface.h @@ -0,0 +1,177 @@ +/* This file is part of Om. Copyright (C) 2006 Dave Robillard. + * + * Om 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 2 of the License, or (at your option) any later + * version. + * + * Om 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 this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef THREADEDSIGCLIENTINTERFACE_H +#define THREADEDSIGCLIENTINTERFACE_H + +#include <inttypes.h> +#include <string> +#include <sigc++/sigc++.h> +#include "interface/ClientInterface.h" +#include "SigClientInterface.h" +#include "util/Queue.h" +using std::string; + +/** Returns nothing and takes no parameters (because they have all been bound) */ +typedef sigc::slot<void> Closure; + +namespace LibOmClient { + + +/** A LibSigC++ signal emitting interface for clients to use. + * + * This emits signals (possibly) in a different thread than the ClientInterface + * functions are called. It must be explicitly driven with the emit_signals() + * function, which fires all enqueued signals up until the present. You can + * use this in a GTK idle callback for receiving thread safe engine signals. + */ +class ThreadedSigClientInterface : virtual public SigClientInterface +{ +public: + ThreadedSigClientInterface(uint32_t queue_size) + : _sigs(queue_size) + , error_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_error)) + //, new_plugin_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_new_plugin_model)) + //, new_patch_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_new_patch_model)) + //, new_node_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_new_node_model)) + //, new_port_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_new_port_model)) + //, connection_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_connection_model)) + , new_plugin_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_new_plugin)) + , new_patch_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_new_patch)) + , new_node_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_new_node)) + , new_port_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_new_port)) + , connection_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_connection)) + , patch_enabled_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_patch_enabled)) + , patch_disabled_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_patch_disabled)) + , patch_cleared_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_patch_cleared)) + , object_destroyed_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_object_destroyed)) + , object_renamed_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_object_renamed)) + , disconnection_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_disconnection)) + , metadata_update_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_metadata_update)) + , control_change_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_control_change)) + , program_add_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_program_add)) + , program_remove_slot(sigc::mem_fun((SigClientInterface*)this, &SigClientInterface::emit_program_remove)) + {} + + + // FIXME + void bundle_begin() {} + void bundle_end() {} + + void num_plugins(uint32_t num) { _num_plugins = num; } + + void error(const string& msg) + { push_sig(sigc::bind(error_slot, msg)); } + /* + void new_plugin_model(PluginModel* const pm) + { push_sig(sigc::bind(new_plugin_slot, pm)); } + + void new_patch_model(PatchModel* const pm) + { push_sig(sigc::bind(new_patch_slot, pm)); } + + void new_node_model(NodeModel* const nm) + { assert(nm); push_sig(sigc::bind(new_node_slot, nm)); } + + void new_port_model(PortModel* const pm) + { push_sig(sigc::bind(new_port_slot, pm)); } + + void connection_model(ConnectionModel* const cm) + { push_sig(sigc::bind(connection_slot, cm)); } + */ + void new_plugin(const string& type, const string& uri, const string& name) + { push_sig(sigc::bind(new_plugin_slot, type, uri, name)); } + + void new_patch(const string& path, uint32_t poly) + { push_sig(sigc::bind(new_patch_slot, path, poly)); } + + void new_node(const string& plugin_type, const string& plugin_uri, const string& node_path, bool is_polyphonic, uint32_t num_ports) + { push_sig(sigc::bind(new_node_slot, plugin_type, plugin_uri, node_path, is_polyphonic, num_ports)); } + + void new_port(const string& path, const string& data_type, bool is_output) + { push_sig(sigc::bind(new_port_slot, path, data_type, is_output)); } + + void connection(const string& src_port_path, const string& dst_port_path) + { push_sig(sigc::bind(connection_slot, src_port_path, dst_port_path)); } + + void object_destroyed(const string& path) + { push_sig(sigc::bind(object_destroyed_slot, path)); } + + void patch_enabled(const string& path) + { push_sig(sigc::bind(patch_enabled_slot, path)); } + + void patch_disabled(const string& path) + { push_sig(sigc::bind(patch_disabled_slot, path)); } + + void patch_cleared(const string& path) + { push_sig(sigc::bind(patch_cleared_slot, path)); } + + void object_renamed(const string& old_path, const string& new_path) + { push_sig(sigc::bind(object_renamed_slot, old_path, new_path)); } + + void disconnection(const string& src_port_path, const string& dst_port_path) + { push_sig(sigc::bind(disconnection_slot, src_port_path, dst_port_path)); } + + void metadata_update(const string& path, const string& key, const string& value) + { push_sig(sigc::bind(metadata_update_slot, path, key, value)); } + + void control_change(const string& port_path, float value) + { push_sig(sigc::bind(control_change_slot, port_path, value)); } + + void program_add(const string& path, uint32_t bank, uint32_t program, const string& name) + { push_sig(sigc::bind(program_add_slot, path, bank, program, name)); } + + void program_remove(const string& path, uint32_t bank, uint32_t program) + { push_sig(sigc::bind(program_remove_slot, path, bank, program)); } + + /** Process all queued events - Called from GTK thread to emit signals. */ + bool emit_signals(); + +private: + void push_sig(Closure ev); + + Queue<Closure> _sigs; + uint32_t _num_plugins; + + sigc::slot<void> bundle_begin_slot; + sigc::slot<void> bundle_end_slot; + sigc::slot<void, uint32_t> num_plugins_slot; + sigc::slot<void, string> error_slot; + /*sigc::slot<void, PluginModel*> new_plugin_slot; + sigc::slot<void, PatchModel*> new_patch_slot; + sigc::slot<void, NodeModel*> new_node_slot; + sigc::slot<void, PortModel*> new_port_slot; + sigc::slot<void, ConnectionModel*> connection_slot; */ + sigc::slot<void, string, string, string> new_plugin_slot; + sigc::slot<void, string, uint32_t> new_patch_slot; + sigc::slot<void, string, string, string, bool, int> new_node_slot; + sigc::slot<void, string, string, bool> new_port_slot; + sigc::slot<void, string, string> connection_slot; + sigc::slot<void, string> patch_enabled_slot; + sigc::slot<void, string> patch_disabled_slot; + sigc::slot<void, string> patch_cleared_slot; + sigc::slot<void, string> object_destroyed_slot; + sigc::slot<void, string, string> object_renamed_slot; + sigc::slot<void, string, string> disconnection_slot; + sigc::slot<void, string, string, string> metadata_update_slot; + sigc::slot<void, string, float> control_change_slot; + sigc::slot<void, string, uint32_t, uint32_t, const string&> program_add_slot; + sigc::slot<void, string, uint32_t, uint32_t> program_remove_slot; +}; + + +} // namespace LibOmClient + +#endif |