From 8b8e3a45a6aa40fbb391c6af13a4d7a7baf0a97e Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Wed, 7 Feb 2007 05:31:08 +0000
Subject: Abstracted out "Connectable" concept in FlowCanvas (towards
 connecting things other than ports). Fixes for SLV2 API changes.

git-svn-id: http://svn.drobilla.net/lad/patchage@287 a436a847-0d15-0410-975c-d299462d15a1
---
 src/AlsaDriver.cpp         |  2 +-
 src/JackDriver.cpp         | 25 ++++++++++++++++++++-----
 src/PatchageFlowCanvas.cpp | 28 ++++++++++++++++------------
 src/PatchageFlowCanvas.h   |  6 ++----
 4 files changed, 39 insertions(+), 22 deletions(-)

(limited to 'src')

diff --git a/src/AlsaDriver.cpp b/src/AlsaDriver.cpp
index 3e42df9..c961af1 100644
--- a/src/AlsaDriver.cpp
+++ b/src/AlsaDriver.cpp
@@ -318,7 +318,7 @@ AlsaDriver::add_connections(boost::shared_ptr<PatchagePort> port)
 			if (existing) {
 				existing->set_flagged(false);
 			} else {
-				_app->canvas()->add_connection(port, connected_port);
+				_app->canvas()->add_connection(port, connected_port, port->color() + 0x22222200);
 			}
 		}
 
diff --git a/src/JackDriver.cpp b/src/JackDriver.cpp
index 5d4c139..6847b09 100644
--- a/src/JackDriver.cpp
+++ b/src/JackDriver.cpp
@@ -264,15 +264,30 @@ JackDriver::refresh()
 				port2_name = client2_name.substr(client2_name.find(':')+1);
 				client2_name = client2_name.substr(0, client2_name.find(':'));
 
-				boost::shared_ptr<Port> port1 = _app->canvas()->get_port(client1_name, port1_name);
-				boost::shared_ptr<Port> port2 = _app->canvas()->get_port(client2_name, port2_name);
+				boost::shared_ptr<Port> port1
+					= _app->canvas()->get_port(client1_name, port1_name);
+				boost::shared_ptr<Port> port2
+					= _app->canvas()->get_port(client2_name, port2_name);
+
+				boost::shared_ptr<Port> src;
+				boost::shared_ptr<Port> dst;
+
+				if (port1->is_output() && port2->is_input()) {
+					src = port1;
+					dst = port2;
+				} else if (port2->is_output() && port1->is_input()) {
+					src = port2;
+					dst = port1;
+				}
+
+				if (src && dst) {
+					boost::shared_ptr<Connection> existing
+						= _app->canvas()->get_connection(src, dst);
 
-				if (port1 && port2) {
-					boost::shared_ptr<Connection> existing = _app->canvas()->get_connection(port1, port2);
 					if (existing) {
 						existing->set_flagged(false);
 					} else {
-						_app->canvas()->add_connection(port1, port2);
+						_app->canvas()->add_connection(src, dst, port1->color() + 0x22222200);
 					}
 				}
 			}
diff --git a/src/PatchageFlowCanvas.cpp b/src/PatchageFlowCanvas.cpp
index 881caf8..c979d48 100644
--- a/src/PatchageFlowCanvas.cpp
+++ b/src/PatchageFlowCanvas.cpp
@@ -65,7 +65,7 @@ PatchageFlowCanvas::find_port(const snd_seq_addr_t* alsa_addr)
 #endif
 
 void
-PatchageFlowCanvas::connect(boost::shared_ptr<Port> port1, boost::shared_ptr<Port> port2)
+PatchageFlowCanvas::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);
@@ -85,20 +85,24 @@ PatchageFlowCanvas::connect(boost::shared_ptr<Port> port1, boost::shared_ptr<Por
 
 
 void
-PatchageFlowCanvas::disconnect(boost::shared_ptr<Port> port1, boost::shared_ptr<Port> port2)
+PatchageFlowCanvas::disconnect(boost::shared_ptr<Connectable> port1, boost::shared_ptr<Connectable> port2)
 {
-	boost::shared_ptr<PatchagePort> input;
-	boost::shared_ptr<PatchagePort> output;
-	
-	if (port1->is_input() && !port2->is_input()) {
-		input = boost::dynamic_pointer_cast<PatchagePort>(port1);
-		output = boost::dynamic_pointer_cast<PatchagePort>(port2);
-	} else if (port2->is_input() && !port1->is_input()) {
-		input = boost::dynamic_pointer_cast<PatchagePort>(port2);
-		output = boost::dynamic_pointer_cast<PatchagePort>(port1);
+	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) {
+	if (!input || !output || input->is_output() || output->is_input()) {
 		status_message("ERROR: Attempt to disconnect mismatched/unknown ports");
 		return;
 	}
diff --git a/src/PatchageFlowCanvas.h b/src/PatchageFlowCanvas.h
index f2a126f..19873c5 100644
--- a/src/PatchageFlowCanvas.h
+++ b/src/PatchageFlowCanvas.h
@@ -24,8 +24,6 @@
 #include <flowcanvas/FlowCanvas.h>
 #include "StateManager.h"
 
-
-
 class Patchage;
 class PatchageModule;
 class PatchagePort;
@@ -42,8 +40,8 @@ public:
 #ifdef HAVE_ALSA
 	boost::shared_ptr<PatchagePort>   find_port(const snd_seq_addr_t* alsa_addr);
 #endif
-	void connect(boost::shared_ptr<Port> port1, boost::shared_ptr<Port> port2);
-	void disconnect(boost::shared_ptr<Port> port1, boost::shared_ptr<Port> port2);
+	void connect(boost::shared_ptr<Connectable> port1, boost::shared_ptr<Connectable> port2);
+	void disconnect(boost::shared_ptr<Connectable> port1, boost::shared_ptr<Connectable> port2);
 
 	void status_message(const string& msg);
 
-- 
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