Made engine, serialisation, client library, and GUI all dynamically loaded modules.

Combined all executables into a single "ingen" program which can do everything.


git-svn-id: http://svn.drobilla.net/lad/ingen@493 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 525 insertions, 0 deletions

diff --git a/src/libs/gui/PatchCanvas.cpp b/src/libs/gui/PatchCanvas.cpp
new file mode 100644
index 00000000..623d0c7c
--- /dev/null
+++ b/src/libs/gui/PatchCanvas.cpp
@@ -0,0 +1,525 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen 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.
+ * 
+ * Ingen 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 <cassert>
+#include <flowcanvas/FlowCanvas.h>
+#include "interface/EngineInterface.h"
+#include "client/PluginModel.h"
+#include "client/PatchModel.h"
+#include "client/NodeModel.h"
+#include "client/Store.h"
+#include "client/Serializer.h"
+#include "App.h"
+#include "PatchCanvas.h"
+#include "PatchWindow.h"
+#include "PatchPortModule.h"
+#include "LoadPluginWindow.h"
+#include "LoadSubpatchWindow.h"
+#include "NewSubpatchWindow.h"
+#include "Port.h"
+#include "Connection.h"
+#include "NodeModule.h"
+#include "SubpatchModule.h"
+#include "GladeFactory.h"
+#include "WindowFactory.h"
+#include "config.h"
+using Ingen::Client::Store;
+using Ingen::Client::Serializer;
+using Ingen::Client::PluginModel;
+
+namespace Ingen {
+namespace GUI {
+
+
+PatchCanvas::PatchCanvas(SharedPtr<PatchModel> patch, int width, int height)
+: FlowCanvas(width, height),
+  _patch(patch),
+  _last_click_x(0),
+  _last_click_y(0)
+{
+	Glib::RefPtr<Gnome::Glade::Xml> xml = GladeFactory::new_glade_reference();
+	xml->get_widget("canvas_menu", _menu);
+	
+	xml->get_widget("canvas_menu_add_audio_input", _menu_add_audio_input);
+	xml->get_widget("canvas_menu_add_audio_output", _menu_add_audio_output);
+	xml->get_widget("canvas_menu_add_control_input", _menu_add_control_input);
+	xml->get_widget("canvas_menu_add_control_output", _menu_add_control_output);
+	xml->get_widget("canvas_menu_add_midi_input", _menu_add_midi_input);
+	xml->get_widget("canvas_menu_add_midi_output", _menu_add_midi_output);
+	xml->get_widget("canvas_menu_load_plugin", _menu_load_plugin);
+	xml->get_widget("canvas_menu_load_patch", _menu_load_patch);
+	xml->get_widget("canvas_menu_new_patch", _menu_new_patch);
+	
+	// Add port menu items
+	_menu_add_audio_input->signal_activate().connect(
+		sigc::bind(sigc::mem_fun(this, &PatchCanvas::menu_add_port),
+			"audio_input", "ingen:audio", false));
+	_menu_add_audio_output->signal_activate().connect(
+		sigc::bind(sigc::mem_fun(this, &PatchCanvas::menu_add_port),
+			"audio_output", "ingen:audio", true));
+	_menu_add_control_input->signal_activate().connect(
+		sigc::bind(sigc::mem_fun(this, &PatchCanvas::menu_add_port),
+			"control_input", "ingen:control", false));
+	_menu_add_control_output->signal_activate().connect(
+		sigc::bind(sigc::mem_fun(this, &PatchCanvas::menu_add_port),
+			"control_output", "ingen:control", true));
+	_menu_add_midi_input->signal_activate().connect(
+		sigc::bind(sigc::mem_fun(this, &PatchCanvas::menu_add_port),
+			"midi_input", "ingen:midi", false));
+	_menu_add_midi_output->signal_activate().connect(
+		sigc::bind(sigc::mem_fun(this, &PatchCanvas::menu_add_port),
+			"midi_output", "ingen:midi", true));
+
+	build_plugin_menu();
+
+	// Connect to model signals to track state
+	_patch->new_node_sig.connect(sigc::mem_fun(this, &PatchCanvas::add_node));
+	_patch->removed_node_sig.connect(sigc::mem_fun(this, &PatchCanvas::remove_node));
+	_patch->new_port_sig.connect(sigc::mem_fun(this, &PatchCanvas::add_port));
+	_patch->removed_port_sig.connect(sigc::mem_fun(this, &PatchCanvas::remove_port));
+	_patch->new_connection_sig.connect(sigc::mem_fun(this, &PatchCanvas::connection));
+	_patch->removed_connection_sig.connect(sigc::mem_fun(this, &PatchCanvas::disconnection));
+	
+	// Connect widget signals to do things
+	_menu_load_plugin->signal_activate().connect(sigc::mem_fun(this, &PatchCanvas::menu_load_plugin));
+	_menu_load_patch->signal_activate().connect(sigc::mem_fun(this, &PatchCanvas::menu_load_patch));
+	_menu_new_patch->signal_activate().connect(sigc::mem_fun(this, &PatchCanvas::menu_new_patch));
+}
+
+
+void
+PatchCanvas::build_plugin_class_menu(Gtk::Menu* menu,
+		SLV2PluginClass plugin_class, SLV2PluginClasses classes)
+{
+#ifdef HAVE_SLV2
+	// Add submenus
+	for (unsigned i=0; i < slv2_plugin_classes_size(classes); ++i) {
+		SLV2PluginClass c = slv2_plugin_classes_get_at(classes, i);
+		const char* parent = slv2_plugin_class_get_parent_uri(c);
+
+		if (parent && !strcmp(parent, slv2_plugin_class_get_uri(plugin_class))) {
+			menu->items().push_back(Gtk::Menu_Helpers::MenuElem(
+					slv2_plugin_class_get_label(c)));
+			Gtk::MenuItem* menu_item = &(menu->items().back());
+			Gtk::Menu* submenu = Gtk::manage(new Gtk::Menu());
+			menu_item->set_submenu(*submenu);
+			build_plugin_class_menu(submenu, c, classes);
+		}
+	}
+	
+
+	const Store::Plugins& plugins = App::instance().store()->plugins();
+
+	// Add plugins
+	for (Store::Plugins::const_iterator i = plugins.begin(); i != plugins.end(); ++i) {
+		SLV2Plugin p = i->second->slv2_plugin();
+		if (p && slv2_plugin_get_class(p) == plugin_class)
+			menu->items().push_back(Gtk::Menu_Helpers::MenuElem(i->second->name(),
+					sigc::bind(sigc::mem_fun(this, &PatchCanvas::load_plugin),
+						i->second)));
+	}
+
+
+#endif
+}
+
+
+void
+PatchCanvas::build_plugin_menu()
+{
+#ifdef HAVE_SLV2
+	_menu->items().push_back(Gtk::Menu_Helpers::ImageMenuElem("Plugin",
+			*(manage(new Gtk::Image(Gtk::Stock::EXECUTE, Gtk::ICON_SIZE_MENU)))));
+    Gtk::MenuItem* plugin_menu_item = &(_menu->items().back());
+	Gtk::Menu* plugin_menu = Gtk::manage(new Gtk::Menu());
+	plugin_menu_item->set_submenu(*plugin_menu);
+	_menu->reorder_child(*plugin_menu_item, 2);
+
+	SLV2PluginClass lv2_plugin = slv2_world_get_plugin_class(PluginModel::slv2_world());
+	SLV2PluginClasses classes = slv2_world_get_plugin_classes(PluginModel::slv2_world());
+
+	build_plugin_class_menu(plugin_menu, lv2_plugin, classes);
+#endif
+}
+
+
+void
+PatchCanvas::build()
+{
+	boost::shared_ptr<PatchCanvas> shared_this =
+		boost::dynamic_pointer_cast<PatchCanvas>(shared_from_this());
+	
+	// Create modules for nodes
+	for (NodeModelMap::const_iterator i = _patch->nodes().begin();
+			i != _patch->nodes().end(); ++i) {
+		add_node((*i).second);
+	}
+
+	// Create pseudo modules for ports (ports on this canvas, not on our module)
+	for (PortModelList::const_iterator i = _patch->ports().begin();
+			i != _patch->ports().end(); ++i) {
+		add_port(*i);
+	}
+
+	// Create connections
+	for (list<SharedPtr<ConnectionModel> >::const_iterator i = _patch->connections().begin();
+			i != _patch->connections().end(); ++i) {
+		connection(*i);
+	}
+}
+
+	
+void
+PatchCanvas::arrange()
+{
+	LibFlowCanvas::FlowCanvas::arrange();
+	
+	for (list<boost::shared_ptr<Item> >::iterator i = _items.begin(); i != _items.end(); ++i)
+		(*i)->store_location();
+}
+
+
+void
+PatchCanvas::add_node(SharedPtr<NodeModel> nm)
+{
+	boost::shared_ptr<PatchCanvas> shared_this =
+		boost::dynamic_pointer_cast<PatchCanvas>(shared_from_this());
+
+	SharedPtr<PatchModel> pm = PtrCast<PatchModel>(nm);
+	SharedPtr<NodeModule> module;
+	if (pm)
+		module = SubpatchModule::create(shared_this, pm);
+	else
+		module = NodeModule::create(shared_this, nm);
+
+	add_item(module);
+	module->show();
+	_views.insert(std::make_pair(nm, module));
+}
+
+
+void
+PatchCanvas::remove_node(SharedPtr<NodeModel> nm)
+{
+	Views::iterator i = _views.find(nm);
+
+	if (i != _views.end()) {
+		remove_item(i->second);
+		_views.erase(i);
+	}
+}
+
+
+void
+PatchCanvas::add_port(SharedPtr<PortModel> pm)
+{
+	boost::shared_ptr<PatchCanvas> shared_this =
+		boost::dynamic_pointer_cast<PatchCanvas>(shared_from_this());
+
+	SharedPtr<PatchPortModule> view = PatchPortModule::create(shared_this, pm);
+	_views.insert(std::make_pair(pm, view));
+	add_item(view);
+	view->show();
+}
+
+
+void
+PatchCanvas::remove_port(SharedPtr<PortModel> pm)
+{
+	Views::iterator i = _views.find(pm);
+
+	if (i != _views.end()) {
+		remove_item(i->second);
+		_views.erase(i);
+	}
+}
+
+
+SharedPtr<LibFlowCanvas::Port>
+PatchCanvas::get_port_view(SharedPtr<PortModel> port)
+{
+	SharedPtr<LibFlowCanvas::Port> ret;
+	SharedPtr<LibFlowCanvas::Module> module = _views[port];
+	
+	// Port on this patch
+	if (module) {
+		ret = (PtrCast<PatchPortModule>(module))
+			? *(PtrCast<PatchPortModule>(module)->ports().begin())
+			: PtrCast<LibFlowCanvas::Port>(module);
+	} else {
+		module = PtrCast<NodeModule>(_views[port->parent()]);
+		if (module)
+			ret = module->get_port(port->path().name());
+	}
+	
+	return ret;
+}
+
+
+void
+PatchCanvas::connection(SharedPtr<ConnectionModel> cm)
+{
+	const SharedPtr<LibFlowCanvas::Port> src = get_port_view(cm->src_port());
+	const SharedPtr<LibFlowCanvas::Port> dst = get_port_view(cm->dst_port());
+
+	if (src && dst)
+		add_connection(boost::shared_ptr<Connection>(new Connection(shared_from_this(),
+				cm, src, dst, src->color() + 0x22222200)));
+	else
+		cerr << "[PatchCanvas] ERROR: Unable to find ports to connect "
+			<< cm->src_port_path() << " -> " << cm->dst_port_path() << endl;
+}
+
+
+void
+PatchCanvas::disconnection(SharedPtr<ConnectionModel> cm)
+{
+	const SharedPtr<LibFlowCanvas::Port> src = get_port_view(cm->src_port());
+	const SharedPtr<LibFlowCanvas::Port> dst = get_port_view(cm->dst_port());
+		
+	if (src && dst)
+		remove_connection(src, dst);
+	else
+		cerr << "[PatchCanvas] ERROR: Unable to find ports to disconnect "
+			<< cm->src_port_path() << " -> " << cm->dst_port_path() << endl;
+}
+
+
+void
+PatchCanvas::connect(boost::shared_ptr<LibFlowCanvas::Connectable> src_port,
+                     boost::shared_ptr<LibFlowCanvas::Connectable> dst_port)
+{
+	const boost::shared_ptr<Ingen::GUI::Port> src
+		= boost::dynamic_pointer_cast<Ingen::GUI::Port>(src_port);
+
+	const boost::shared_ptr<Ingen::GUI::Port> dst
+		= boost::dynamic_pointer_cast<Ingen::GUI::Port>(dst_port);
+	
+	if (!src || !dst)
+		return;
+
+	// Midi binding/learn shortcut
+	if (src->model()->is_midi() && dst->model()->is_control())
+	{
+		cerr << "FIXME: MIDI binding" << endl;
+#if 0
+		SharedPtr<PluginModel> pm(new PluginModel(PluginModel::Internal, "", "midi_control_in", ""));
+		SharedPtr<NodeModel> nm(new NodeModel(pm, _patch->path().base()
+			+ src->name() + "-" + dst->name(), false));
+		nm->set_metadata("canvas-x", Atom((float)
+			(dst->module()->property_x() - dst->module()->width() - 20)));
+		nm->set_metadata("canvas-y", Atom((float)
+			(dst->module()->property_y())));
+		App::instance().engine()->create_node_from_model(nm.get());
+		App::instance().engine()->connect(src->model()->path(), nm->path() + "/MIDI_In");
+		App::instance().engine()->connect(nm->path() + "/Out_(CR)", dst->model()->path());
+		App::instance().engine()->midi_learn(nm->path());
+		
+		// Set control node range to port's user range
+		
+		App::instance().engine()->set_port_value_queued(nm->path().base() + "Min",
+			dst->model()->get_metadata("user-min").get_float());
+		App::instance().engine()->set_port_value_queued(nm->path().base() + "Max",
+			dst->model()->get_metadata("user-max").get_float());
+#endif
+	} else {
+		App::instance().engine()->connect(src->model()->path(), dst->model()->path());
+	}
+}
+
+
+void
+PatchCanvas::disconnect(boost::shared_ptr<LibFlowCanvas::Connectable> src_port,
+                        boost::shared_ptr<LibFlowCanvas::Connectable> dst_port)
+{
+	const boost::shared_ptr<Ingen::GUI::Port> src
+		= boost::dynamic_pointer_cast<Ingen::GUI::Port>(src_port);
+
+	const boost::shared_ptr<Ingen::GUI::Port> dst
+		= boost::dynamic_pointer_cast<Ingen::GUI::Port>(dst_port);
+	
+	App::instance().engine()->disconnect(src->model()->path(),
+	                                     dst->model()->path());
+}
+
+
+bool
+PatchCanvas::canvas_event(GdkEvent* event)
+{
+	assert(event);
+	
+	switch (event->type) {
+
+	case GDK_BUTTON_PRESS:
+		if (event->button.button == 3) {
+			_last_click_x = (int)event->button.x;
+			_last_click_y = (int)event->button.y;
+			show_menu(event);
+		}
+		break;
+	
+	/*case GDK_KEY_PRESS:
+		if (event->key.keyval == GDK_Delete)
+			destroy_selected();
+		break;
+	*/
+		
+	default:
+		break;
+	}
+
+	return FlowCanvas::canvas_event(event);
+}
+
+
+void
+PatchCanvas::destroy_selection()
+{
+	for (list<boost::shared_ptr<Item> >::iterator m = _selected_items.begin(); m != _selected_items.end(); ++m) {
+		boost::shared_ptr<NodeModule> module = boost::dynamic_pointer_cast<NodeModule>(*m);
+		if (module) {
+			App::instance().engine()->destroy(module->node()->path());
+		} else {
+			boost::shared_ptr<PatchPortModule> port_module = boost::dynamic_pointer_cast<PatchPortModule>(*m);
+			if (port_module)
+				App::instance().engine()->destroy(port_module->port()->path());
+		}
+	}
+
+}
+
+
+void
+PatchCanvas::copy_selection()
+{
+	Serializer serializer(*App::instance().rdf_world());
+	serializer.start_to_string();
+
+	for (list<boost::shared_ptr<Item> >::iterator m = _selected_items.begin(); m != _selected_items.end(); ++m) {
+		boost::shared_ptr<NodeModule> module = boost::dynamic_pointer_cast<NodeModule>(*m);
+		if (module) {
+			serializer.serialize(module->node());
+		} else {
+			boost::shared_ptr<PatchPortModule> port_module = boost::dynamic_pointer_cast<PatchPortModule>(*m);
+			if (port_module)
+				serializer.serialize(port_module->port());
+		}
+	}
+	
+	for (list<boost::shared_ptr<LibFlowCanvas::Connection> >::iterator c = _selected_connections.begin();
+			c != _selected_connections.end(); ++c) {
+		boost::shared_ptr<Connection> connection = boost::dynamic_pointer_cast<Connection>(*c);
+		if (connection)
+			serializer.serialize_connection(connection->model());
+	}
+	
+	string result = serializer.finish();
+	
+	Glib::RefPtr<Gtk::Clipboard> clipboard = Gtk::Clipboard::get();
+	clipboard->set_text(result);
+}
+
+
+string
+PatchCanvas::generate_port_name(const string& base) {
+	string name = base;
+
+	char num_buf[5];
+	for (uint i=1; i < 9999; ++i) {
+		snprintf(num_buf, 5, "%u", i);
+		name = base + "_";
+		name += num_buf;
+		if (!_patch->get_port(name))
+			break;
+	}
+
+	assert(Path::is_valid(string("/") + name));
+
+	return name;
+}
+
+
+void
+PatchCanvas::menu_add_port(const string& name, const string& type, bool is_output)
+{
+	const Path& path = _patch->path().base() + generate_port_name(name);
+	App::instance().engine()->create_port(path, type, is_output);
+	MetadataMap data = get_initial_data();
+	for (MetadataMap::const_iterator i = data.begin(); i != data.end(); ++i)
+		App::instance().engine()->set_metadata(path, i->first, i->second);
+}
+
+
+void
+PatchCanvas::load_plugin(SharedPtr<PluginModel> plugin)
+{
+	const Path& path = _patch->path().base() + plugin->default_node_name(_patch);
+	// FIXME: polyphony?
+	App::instance().engine()->create_node(path, plugin->uri(), false);
+	MetadataMap data = get_initial_data();
+	for (MetadataMap::const_iterator i = data.begin(); i != data.end(); ++i)
+		App::instance().engine()->set_metadata(path, i->first, i->second);
+}
+
+
+/** Try to guess a suitable location for a new module.
+ */
+void
+PatchCanvas::get_new_module_location(double& x, double& y)
+{
+	int scroll_x;
+	int scroll_y;
+	get_scroll_offsets(scroll_x, scroll_y);
+	x = scroll_x + 20;
+	y = scroll_y + 20;
+}
+
+
+MetadataMap
+PatchCanvas::get_initial_data()
+{
+	MetadataMap result;
+	
+	result["ingenuity:canvas-x"] = Atom((float)_last_click_x);
+	result["ingenuity:canvas-y"] = Atom((float)_last_click_y);
+	
+	return result;
+}
+
+void
+PatchCanvas::menu_load_plugin()
+{
+	App::instance().window_factory()->present_load_plugin(_patch, get_initial_data());
+}
+
+
+void
+PatchCanvas::menu_load_patch()
+{
+	App::instance().window_factory()->present_load_subpatch(_patch, get_initial_data());
+}
+
+
+void
+PatchCanvas::menu_new_patch()
+{
+	App::instance().window_factory()->present_new_subpatch(_patch, get_initial_data());
+}
+
+
+} // namespace GUI
+} // namespace Ingen