1 files changed, 156 insertions, 0 deletions
diff --git a/src/progs/gtk/GtkClientInterface.h b/src/progs/gtk/GtkClientInterface.h
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+++ b/src/progs/gtk/GtkClientInterface.h
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+/* 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 GTKCLIENTHOOKS_H
+#define GTKCLIENTHOOKS_H
+
+#include <cassert>
+#include <string>
+#include <queue>
+#include <iostream>
+#include <sigc++/sigc++.h>
+#include "ControlInterface.h"
+#include "OSCListener.h"
+#include "util/Queue.h"
+#include "util/CountedPtr.h"
+#include "ModelClientInterface.h"
+#include "SigClientInterface.h"
+using std::string;
+using std::cerr; using std::endl;
+
+namespace LibOmClient { class PluginModel; }
+using namespace LibOmClient;
+
+namespace OmGtk {
+
+/** Returns nothing and takes no parameters (because they have been bound) */
+typedef sigc::slot<void> Closure;
+
+#if 0
+/** ModelClientInterface implementation for the Gtk client.
+ *
+ * This is a threadsafe interface to OmGtk.  It provides the same interface as
+ * @ref ControlInterface, except all public functions may be called in a thread
+ * other than the GTK thread (a closure will be created and pushed through a
+ * queue for the GTK thread to execute).
+ *
+ * It is also a ModelClientInterface, which is how it is driven by the engine.
+ * This is redundant, "ControlInterface" needs to go away. A model database
+ * that wraps a ClientInterface and emits sigc signals when things change would
+ * be a much better way of doing this.
+ *
+ * \ingroup OmGtk
+ */
+class GtkClientInterface : public OSCListener, public ModelClientInterface
+{
+public:
+	GtkClientInterface(ControlInterface* interface, int client_port);
+	
+	void set_ignore_port(const string& path) { _ignore_port_path = path; }
+	void clear_ignore_port()                 { _ignore_port_path = ""; }
+	
+	// FIXME: ugly accessor
+	size_t num_plugins() const { return _num_plugins; }
+
+	// OSC thread functions (deferred calls)
+	
+	void bundle_begin() {}
+	void bundle_end()   {}
+
+	void num_plugins(size_t num) { _num_plugins = num; }
+
+	void error(const string& msg)
+		{ push_event(sigc::bind(_interface->error_slot, msg)); }
+	
+	void new_plugin_model(PluginModel* const pm)
+		{ push_event(sigc::bind(_interface->new_plugin_slot, pm)); }
+	
+	void new_patch_model(PatchModel* const pm)
+		{ push_event(sigc::bind(_interface->new_patch_slot, pm)); }
+
+	void new_node_model(NodeModel* const nm)
+		{ assert(nm); push_event(sigc::bind(_interface->new_node_slot, nm)); }
+
+	void new_port_model(PortModel* const pm)
+		{ push_event(sigc::bind(_interface->new_port_slot, pm)); }
+	
+	void connection_model(ConnectionModel* const cm)
+		{ push_event(sigc::bind(_interface->connection_slot, cm)); }
+	
+	void object_destroyed(const string& path)
+		{ push_event(sigc::bind(_interface->object_destroyed_slot, path)); }
+	
+	void patch_enabled(const string& path)
+		{ push_event(sigc::bind(_interface->patch_enabled_slot, path)); }
+	
+	void patch_disabled(const string& path)
+		{ push_event(sigc::bind(_interface->patch_disabled_slot, path)); }
+
+	void patch_cleared(const string& path)
+		{ push_event(sigc::bind(_interface->patch_cleared_slot, path)); }
+
+	void object_renamed(const string& old_path, const string& new_path)
+		{ push_event(sigc::bind(_interface->object_renamed_slot, old_path, new_path)); }
+	
+	void disconnection(const string& src_port_path, const string& dst_port_path)
+		{ push_event(sigc::bind(_interface->disconnection_slot, src_port_path, dst_port_path)); }
+	
+	void metadata_update(const string& path, const string& key, const string& value)
+		{ push_event(sigc::bind(_interface->metadata_update_slot, path, key, value)); }
+
+	void control_change(const string& port_path, float value)
+		{ push_event(sigc::bind(_interface->control_change_slot, port_path, value)); }
+
+	void program_add(const string& path, uint32_t bank, uint32_t program, const string& name)
+		{ push_event(sigc::bind(_interface->program_add_slot, path, bank, program, name)); }
+	
+	void program_remove(const string& path, uint32_t bank, uint32_t program)
+		{ push_event(sigc::bind(_interface->program_remove_slot, path, bank, program)); }
+
+	/** Process all queued events - MUST be called from Gtk thread.
+	 * Registered as a GTK idle handler by App. */
+	bool process_events();
+
+	static void instantiate(ControlInterface* interface, int client_port)
+	{ if (!_instance) _instance = new GtkClientInterface(interface, client_port); }
+	
+	inline static CountedPtr<GtkClientInterface> instance()
+	{ assert(_instance); return _instance; }
+
+private:
+	
+	static CountedPtr<GtkClientInterface> _instance;
+
+	/** Provides the functions/slots the closures will actually call in the GTK thread */
+	ControlInterface* _interface;
+
+	size_t _num_plugins;
+
+	void push_event(Closure ev);
+
+	/** Set if a port slider is grabbed and is being dragged.
+	 * If a control event comes in for a port with this path, we'll just
+	 * ignore it outright.  (Just an optimization over doing all the searching
+	 * for the port slider just to ignore the event) */
+	string _ignore_port_path;
+
+	Queue<Closure> _events;
+};
+#endif
+
+} // namespace OmGtk
+
+#endif // GTKCLIENTHOOKS_H