1 files changed, 129 insertions, 0 deletions
diff --git a/src/libs/gui/PatchCanvas.h b/src/libs/gui/PatchCanvas.h
new file mode 100644
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--- /dev/null
+++ b/src/libs/gui/PatchCanvas.h
@@ -0,0 +1,129 @@
+/* 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
+ */
+
+#ifndef PATCHCANVAS_H
+#define PATCHCANVAS_H
+
+#include <string>
+#include <map>
+#include <boost/shared_ptr.hpp>
+#include <flowcanvas/FlowCanvas.h>
+#include <flowcanvas/Module.h>
+#include <raul/SharedPtr.h>
+#include <raul/Path.h>
+#include "client/ConnectionModel.h"
+#include "client/PatchModel.h"
+#include "NodeModule.h"
+
+using std::string;
+using namespace LibFlowCanvas;
+
+using LibFlowCanvas::Port;
+using Ingen::Client::ConnectionModel;
+using Ingen::Client::PatchModel;
+using Ingen::Client::NodeModel;
+using Ingen::Client::PortModel;
+using Ingen::Client::MetadataMap;
+
+namespace Ingen {
+namespace GUI {
+	
+class NodeModule;
+
+
+/** Patch canvas widget.
+ *
+ * \ingroup GUI
+ */
+class PatchCanvas : public LibFlowCanvas::FlowCanvas
+{
+public:
+	PatchCanvas(SharedPtr<PatchModel> patch, int width, int height);
+	
+	virtual ~PatchCanvas() {}
+
+	/*boost::shared_ptr<NodeModule> find_module(const string& name) {
+		return boost::dynamic_pointer_cast<NodeModule>(
+			FlowCanvas::get_item(name));
+	}*/
+	
+	void build();
+	void arrange();
+
+	void add_node(SharedPtr<NodeModel> nm);
+	void remove_node(SharedPtr<NodeModel> nm);
+	void add_port(SharedPtr<PortModel> pm);
+	void remove_port(SharedPtr<PortModel> pm);
+	void connection(SharedPtr<ConnectionModel> cm);
+	void disconnection(SharedPtr<ConnectionModel> cm);
+
+	void get_new_module_location(double& x, double& y);
+
+	void destroy_selection();
+	void copy_selection();
+
+	void show_menu(GdkEvent* event)
+	{ _menu->popup(event->button.button, event->button.time); }
+	
+private:
+	string generate_port_name(const string& base);
+	void menu_add_port(const string& name, const string& type, bool is_output);
+	void menu_load_plugin();
+	void menu_new_patch();
+	void menu_load_patch();
+	void load_plugin(SharedPtr<PluginModel> plugin);
+	void build_plugin_menu();
+	void build_plugin_class_menu(Gtk::Menu* menu,
+		SLV2PluginClass plugin_class, SLV2PluginClasses classes);
+	
+	MetadataMap get_initial_data();
+
+	bool canvas_event(GdkEvent* event);
+	
+	SharedPtr<LibFlowCanvas::Port> get_port_view(SharedPtr<PortModel> port);
+
+	void connect(boost::shared_ptr<LibFlowCanvas::Connectable> src,
+	             boost::shared_ptr<LibFlowCanvas::Connectable> dst);
+
+	void disconnect(boost::shared_ptr<LibFlowCanvas::Connectable> src,
+	                boost::shared_ptr<LibFlowCanvas::Connectable> dst);
+
+	SharedPtr<PatchModel> _patch;
+
+	typedef std::map<SharedPtr<ObjectModel>, SharedPtr<LibFlowCanvas::Module> > Views;
+	Views _views;
+
+	int _last_click_x;
+	int _last_click_y;
+	
+	Gtk::Menu*      _menu;
+	Gtk::MenuItem*  _menu_add_audio_input;
+	Gtk::MenuItem*  _menu_add_audio_output;
+	Gtk::MenuItem*  _menu_add_control_input;
+	Gtk::MenuItem*  _menu_add_control_output;
+	Gtk::MenuItem*  _menu_add_midi_input;
+	Gtk::MenuItem*  _menu_add_midi_output;
+	Gtk::MenuItem*  _menu_load_plugin;
+	Gtk::MenuItem*  _menu_load_patch;
+	Gtk::MenuItem*  _menu_new_patch;
+};
+
+
+} // namespace GUI
+} // namespace Ingen
+
+#endif // PATCHCANVAS_H