From 5a2358e39602607757fedd08a7355bede3cb8739 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Wed, 6 Jun 2007 02:51:08 +0000
Subject: Nicer Flowcanvas naming.

git-svn-id: http://svn.drobilla.net/lad/patchage@529 a436a847-0d15-0410-975c-d299462d15a1
---
 src/PatchageCanvas.cpp | 163 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 163 insertions(+)
 create mode 100644 src/PatchageCanvas.cpp

(limited to 'src/PatchageCanvas.cpp')

diff --git a/src/PatchageCanvas.cpp b/src/PatchageCanvas.cpp
new file mode 100644
index 0000000..97e31bf
--- /dev/null
+++ b/src/PatchageCanvas.cpp
@@ -0,0 +1,163 @@
+/* This file is part of Patchage.
+ * Copyright (C) 2007 Dave Robillard <http://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 2 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include <raul/SharedPtr.h>
+#include "config.h"
+#include "PatchageCanvas.h"
+#include "Patchage.h"
+#include "JackDriver.h"
+#include "PatchageModule.h"
+#include "PatchagePort.h"
+#ifdef HAVE_ALSA
+#include "AlsaDriver.h"
+#endif
+
+PatchageCanvas::PatchageCanvas(Patchage* app, int width, int height)
+: FlowCanvas::Canvas(width, height),
+  _app(app)
+{
+}
+
+
+boost::shared_ptr<Item>
+PatchageCanvas::get_item(const string& name)
+{
+	ItemList::iterator m = _items.begin();
+
+	for ( ; m != _items.end(); ++m)
+		if ((*m)->name() == name)
+			break;
+
+	return (m == _items.end()) ? boost::shared_ptr<Item>() : *m;
+}
+
+
+boost::shared_ptr<PatchageModule>
+PatchageCanvas::find_module(const string& name, ModuleType type)
+{
+	for (ItemList::iterator m = _items.begin(); m != _items.end(); ++m) {
+		boost::shared_ptr<PatchageModule> pm = boost::dynamic_pointer_cast<PatchageModule>(*m);
+		if (pm && pm->name() == name && pm->type() == type) {
+			return pm;
+		}
+	}
+
+	return boost::shared_ptr<PatchageModule>();
+}
+
+
+#ifdef HAVE_ALSA
+boost::shared_ptr<PatchagePort>
+PatchageCanvas::find_port(const snd_seq_addr_t* alsa_addr)
+{
+	boost::shared_ptr<PatchagePort> pp;
+	for (ItemList::iterator m = _items.begin(); m != _items.end(); ++m) {
+		SharedPtr<Module> module = PtrCast<Module>(*m);
+		if (!module)
+			continue;
+		for (PortVector::const_iterator p = module->ports().begin(); p != module->ports().end(); ++p) {
+			pp = boost::dynamic_pointer_cast<PatchagePort>(*p);
+			if (pp && pp->type() == ALSA_MIDI && pp->alsa_addr()
+					&& pp->alsa_addr()->client == alsa_addr->client
+					&& pp->alsa_addr()->port == alsa_addr->port)
+					return pp;
+		}
+	}
+
+	return boost::shared_ptr<PatchagePort>();
+}
+#endif
+
+void
+PatchageCanvas::connect(boost::shared_ptr<Connectable> port1, boost::shared_ptr<Connectable> port2)
+{
+	boost::shared_ptr<PatchagePort> p1 = boost::dynamic_pointer_cast<PatchagePort>(port1);
+	boost::shared_ptr<PatchagePort> p2 = boost::dynamic_pointer_cast<PatchagePort>(port2);
+	if (!p1 || !p2)
+		return;
+
+	if (p1->type() == JACK_AUDIO && p2->type() == JACK_AUDIO
+			|| (p1->type() == JACK_MIDI && p2->type() == JACK_MIDI))
+		_app->jack_driver()->connect(p1, p2);
+#ifdef HAVE_ALSA
+	else if (p1->type() == ALSA_MIDI && p2->type() == ALSA_MIDI)
+		_app->alsa_driver()->connect(p1, p2);
+#endif
+	else
+		status_message("WARNING: Cannot make connection, incompatible port types.");
+}
+
+
+void
+PatchageCanvas::disconnect(boost::shared_ptr<Connectable> port1, boost::shared_ptr<Connectable> port2)
+{
+	boost::shared_ptr<PatchagePort> input
+		= boost::dynamic_pointer_cast<PatchagePort>(port1);
+	boost::shared_ptr<PatchagePort> output
+		= boost::dynamic_pointer_cast<PatchagePort>(port2);
+
+	if (!input || !output)
+		return;
+
+	if (input->is_output() && output->is_input()) {
+		// Damn, guessed wrong
+		boost::shared_ptr<PatchagePort> swap = input;
+		input = output;
+		output = swap;
+	}
+
+	if (!input || !output || input->is_output() || output->is_input()) {
+		status_message("ERROR: Attempt to disconnect mismatched/unknown ports");
+		return;
+	}
+	
+	if (input->type() == JACK_AUDIO && output->type() == JACK_AUDIO
+			|| input->type() == JACK_MIDI && output->type() == JACK_MIDI)
+		_app->jack_driver()->disconnect(output, input);
+#ifdef HAVE_ALSA
+	else if (input->type() == ALSA_MIDI && output->type() == ALSA_MIDI)
+		_app->alsa_driver()->disconnect(output, input);
+#endif
+	else
+		status_message("ERROR: Attempt to disconnect ports with mismatched types");
+}
+
+
+void
+PatchageCanvas::status_message(const string& msg)
+{
+	_app->status_message(string("[Canvas] ").append(msg));
+}
+
+
+boost::shared_ptr<Port>
+PatchageCanvas::get_port(const string& node_name, const string& port_name)
+{
+	for (ItemList::iterator i = _items.begin(); i != _items.end(); ++i) {
+		const boost::shared_ptr<Item> item = *i;
+		const boost::shared_ptr<Module> module
+			= boost::dynamic_pointer_cast<Module>(item);
+		if (!module)
+			continue;
+		const boost::shared_ptr<Port> port = module->get_port(port_name);
+		if (module->name() == node_name && port)
+			return port;
+	}
+	
+	return boost::shared_ptr<Port>();
+}
+
-- 
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