From 800c329a0b77f9044923885abe0728028eca8350 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 19 Aug 2012 02:24:38 +0000
Subject: Patch => Graph

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@4721 a436a847-0d15-0410-975c-d299462d15a1
---
 src/gui/GraphCanvas.hpp | 174 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100644 src/gui/GraphCanvas.hpp

(limited to 'src/gui/GraphCanvas.hpp')

diff --git a/src/gui/GraphCanvas.hpp b/src/gui/GraphCanvas.hpp
new file mode 100644
index 00000000..9144518a
--- /dev/null
+++ b/src/gui/GraphCanvas.hpp
@@ -0,0 +1,174 @@
+/*
+  This file is part of Ingen.
+  Copyright 2007-2012 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_GUI_GRAPHCANVAS_HPP
+#define INGEN_GUI_GRAPHCANVAS_HPP
+
+#include <string>
+#include <map>
+#include <set>
+
+#include <boost/shared_ptr.hpp>
+
+#include "lilv/lilv.h"
+
+#include "ganv/Canvas.hpp"
+#include "ganv/Module.hpp"
+#include "raul/SharedPtr.hpp"
+#include "raul/Path.hpp"
+
+#include "NodeModule.hpp"
+#include "ingen/GraphObject.hpp"
+#include "ingen/client/EdgeModel.hpp"
+
+namespace Ingen {
+
+namespace Client { class GraphModel; }
+
+namespace GUI {
+
+class NodeModule;
+
+/** Graph canvas widget.
+ *
+ * \ingroup GUI
+ */
+class GraphCanvas : public Ganv::Canvas
+{
+public:
+	GraphCanvas(App&                                app,
+	            SharedPtr<const Client::GraphModel> graph,
+	            int                                 width,
+	            int                                 height);
+
+	virtual ~GraphCanvas() {}
+
+	App& app() { return _app; }
+
+	void build();
+	void show_human_names(bool show);
+	void show_port_names(bool show);
+	bool show_port_names() const { return _show_port_names; }
+
+	void add_plugin(SharedPtr<Client::PluginModel> pm);
+	void add_block(SharedPtr<const Client::BlockModel> bm);
+	void remove_block(SharedPtr<const Client::BlockModel> bm);
+	void add_port(SharedPtr<const Client::PortModel> pm);
+	void remove_port(SharedPtr<const Client::PortModel> pm);
+	void connection(SharedPtr<const Client::EdgeModel> cm);
+	void disconnection(SharedPtr<const Client::EdgeModel> cm);
+
+	void get_new_module_location(double& x, double& y);
+
+	void clear_selection();
+	void destroy_selection();
+	void copy_selection();
+	void paste();
+
+	void show_menu(bool position, unsigned button, uint32_t time);
+
+	bool on_event(GdkEvent* event);
+
+private:
+	enum ControlType { NUMBER, BUTTON };
+	void generate_port_name(
+		const std::string& sym_base,  std::string& sym,
+		const std::string& name_base, std::string& name);
+
+	void menu_add_port(
+			const std::string& sym_base, const std::string& name_base,
+			const Raul::URI& type, bool is_output);
+
+	void menu_load_plugin();
+	void menu_new_graph();
+	void menu_load_graph();
+	void load_plugin(WeakPtr<Client::PluginModel> plugin);
+
+	void build_menus();
+
+	void build_internal_menu();
+	void build_classless_menu();
+
+    void auto_menu_position(int& x, int& y, bool& push_in);
+
+	typedef std::multimap<const std::string, const LilvPluginClass*> LV2Children;
+	void build_plugin_menu();
+	size_t build_plugin_class_menu(
+			Gtk::Menu*               menu,
+			const LilvPluginClass*   plugin_class,
+			const LilvPluginClasses* classes,
+			const LV2Children&       children,
+			std::set<const char*>&   ancestors);
+
+	GraphObject::Properties get_initial_data(Resource::Graph ctx=Resource::DEFAULT);
+
+	Ganv::Port* get_port_view(SharedPtr<Client::PortModel> port);
+
+	void connect(Ganv::Node* src,
+	             Ganv::Node* dst);
+
+	void disconnect(Ganv::Node* src,
+	                Ganv::Node* dst);
+
+	App&                                _app;
+	SharedPtr<const Client::GraphModel> _graph;
+
+	typedef std::map<SharedPtr<const Client::ObjectModel>, Ganv::Module*> Views;
+	Views _views;
+
+	int                 _auto_position_count;
+	std::pair<int, int> _auto_position_scroll_offsets;
+
+	int _last_click_x;
+	int _last_click_y;
+	int _paste_count;
+
+	// Track pasted objects so they can be selected when they arrive
+	std::set<Raul::Path> _pastees;
+
+	struct MenuRecord {
+		MenuRecord(Gtk::MenuItem* i, Gtk::Menu* m) : item(i), menu(m) {}
+		Gtk::MenuItem* item;
+		Gtk::Menu*     menu;
+	};
+
+	typedef std::multimap<const std::string, MenuRecord> ClassMenus;
+
+	ClassMenus _class_menus;
+
+	Gtk::Menu*          _menu;
+	Gtk::Menu*          _internal_menu;
+	Gtk::Menu*          _classless_menu;
+	Gtk::Menu*          _plugin_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_event_input;
+	Gtk::MenuItem*      _menu_add_event_output;
+	Gtk::MenuItem*      _menu_load_plugin;
+	Gtk::MenuItem*      _menu_load_graph;
+	Gtk::MenuItem*      _menu_new_graph;
+	Gtk::CheckMenuItem* _menu_edit;
+
+	bool _human_names;
+	bool _show_port_names;
+};
+
+} // namespace GUI
+} // namespace Ingen
+
+#endif // INGEN_GUI_GRAPHCANVAS_HPP
-- 
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