Add missing files.

git-svn-id: svn://localhost/ardour2/branches/3.0@10342 d708f5d6-7413-0410-9779-e7cbd77b26cf

2 files changed, 318 insertions, 0 deletions

diff --git a/gtk2_ardour/visibility_group.cc b/gtk2_ardour/visibility_group.cc
new file mode 100644
index 0000000000..ecdf12be33
--- /dev/null
+++ b/gtk2_ardour/visibility_group.cc
@@ -0,0 +1,233 @@
+/*
+    Copyright (C) 2011 Paul Davis
+    Author: Carl Hetherington <cth@carlh.net>
+
+    This program 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.
+
+    This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <gtkmm/menu.h>
+#include <gtkmm/menushell.h>
+#include <gtkmm/treeview.h>
+#include "pbd/xml++.h"
+#include "visibility_group.h"
+
+#include "i18n.h"
+
+using namespace std;
+
+VisibilityGroup::VisibilityGroup (std::string const & name)
+	: _xml_property_name (name)
+	, _ignore_list_view_change (false)
+{
+
+}
+
+/** Add a widget to the group.
+ *  @param widget The widget.
+ *  @param id Some single-word ID to be used for the state of this member in XML.
+ *  @param name User-visible name for the widget.
+ *  @param visible true to default to visible, otherwise false.
+ */
+
+void
+VisibilityGroup::add (Gtk::Widget* widget, string const & id, string const & name, bool visible)
+{
+	Member m;
+	m.widget = widget;
+	m.id = id;
+	m.name = name;
+	m.visible = visible;
+	
+	_members.push_back (m);
+}
+
+/** Pop up a menu (on right-click) to configure visibility of members */
+bool
+VisibilityGroup::button_press_event (GdkEventButton* ev)
+{
+	if (ev->button != 3) {
+		return false;
+	}
+
+	menu()->popup (1, ev->time);
+	return true;
+}
+
+Gtk::Menu*
+VisibilityGroup::menu ()
+{
+	using namespace Gtk::Menu_Helpers;
+
+	Gtk::Menu* m = Gtk::manage (new Gtk::Menu);
+	MenuList& items = m->items ();
+
+	for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
+		items.push_back (CheckMenuElem (i->name));
+		Gtk::CheckMenuItem* j = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
+		j->set_active (i->visible);
+		j->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &VisibilityGroup::toggle), i));
+	}
+
+	return m;
+}
+
+/** Update visible consequences of any changes to our _members vector */
+void
+VisibilityGroup::update ()
+{
+	for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
+		if (i->widget) {
+			if (i->visible) {
+				cout << "VG show " << i->name << "\n";
+				i->widget->show ();
+			} else {
+				cout << "VG hide " << i->name << "\n";
+				i->widget->hide ();
+			}
+		}
+	}
+
+	update_list_view ();
+
+	VisibilityChanged (); /* EMIT SIGNAL */
+}
+
+void
+VisibilityGroup::toggle (vector<Member>::iterator m)
+{
+	m->visible = !m->visible;
+	update ();
+}
+
+void
+VisibilityGroup::set_state (XMLNode const & node)
+{
+	XMLProperty const * p = node.property (_xml_property_name);
+	if (!p) {
+		return;
+	}
+
+	set_state (p->value ());
+}
+
+void
+VisibilityGroup::set_state (string v)
+{
+	for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
+		i->visible = false;
+	}
+
+	do {
+		string::size_type const comma = v.find_first_of (',');
+		string segment = v.substr (0, comma);
+
+		for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
+			if (segment == i->id) {
+				i->visible = true;
+			}
+		}
+
+		if (comma == string::npos) {
+			break;
+		}
+
+		v = v.substr (comma + 1);
+		
+	} while (1);
+
+	update ();
+}
+
+string
+VisibilityGroup::get_state_name () const
+{
+	return _xml_property_name;
+}
+
+string
+VisibilityGroup::get_state_value () const
+{
+	string result;
+	for (vector<Member>::const_iterator i = _members.begin(); i != _members.end(); ++i) {
+		if (i->visible) {
+			if (!result.empty ()) {
+				result += ',';
+			}
+			result += i->id;
+		}
+	}
+
+	return result;
+}
+
+void
+VisibilityGroup::update_list_view ()
+{
+	if (!_model) {
+		return;
+	}
+	
+	_ignore_list_view_change = true;
+
+	_model->clear ();
+	
+	for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
+		Gtk::TreeModel::iterator j = _model->append ();
+		Gtk::TreeModel::Row row = *j;
+		row[_model_columns._visible] = i->visible;
+		row[_model_columns._name] = i->name;
+		row[_model_columns._iterator] = i;
+	}
+
+	_ignore_list_view_change = false;
+}
+
+Gtk::Widget *
+VisibilityGroup::list_view ()
+{
+	_model = Gtk::ListStore::create (_model_columns);
+
+	update_list_view ();
+
+	Gtk::TreeView* v = Gtk::manage (new Gtk::TreeView (_model));
+	v->set_headers_visible (false);
+	v->append_column (_(""), _model_columns._visible);
+	v->append_column (_(""), _model_columns._name);
+
+	Gtk::CellRendererToggle* visible_cell = dynamic_cast<Gtk::CellRendererToggle*> (v->get_column_cell_renderer (0));
+	visible_cell->property_activatable() = true;
+	visible_cell->signal_toggled().connect (sigc::mem_fun (*this, &VisibilityGroup::list_view_visible_changed));
+	return v;
+}
+
+void
+VisibilityGroup::list_view_visible_changed (string const & path)
+{
+	if (_ignore_list_view_change) {
+		return;
+	}
+	
+	Gtk::TreeModel::iterator i = _model->get_iter (path);
+	if (!i) {
+		return;
+	}
+
+	vector<Member>::iterator j = (*i)[_model_columns._iterator];
+	j->visible = !j->visible;
+	(*i)[_model_columns._visible] = j->visible;
+
+	update ();
+}
diff --git a/gtk2_ardour/visibility_group.h b/gtk2_ardour/visibility_group.h
new file mode 100644
index 0000000000..d9e13e1e93
--- /dev/null
+++ b/gtk2_ardour/visibility_group.h
@@ -0,0 +1,85 @@
+/*
+    Copyright (C) 2011 Paul Davis
+    Author: Carl Hetherington <cth@carlh.net>
+
+    This program 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.
+
+    This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_visibility_group__
+#define __ardour_visibility_group__
+
+#include <gtkmm/liststore.h>
+#include "pbd/signals.h"
+
+class XMLNode;
+class XMLProperty;
+
+/** A class to manage a group of widgets where the visibility of each
+ *  can be configured by the user.  The class can generate a menu to
+ *  set up visibility, and save and restore visibility state to XML.
+ */
+
+class VisibilityGroup
+{
+public:
+	VisibilityGroup (std::string const &);
+	
+	void add (Gtk::Widget *, std::string const &, std::string const &, bool visible = true);
+	Gtk::Menu* menu ();
+	Gtk::Widget* list_view ();
+	bool button_press_event (GdkEventButton *);
+	void update ();
+	void set_state (XMLNode const &);
+	void set_state (std::string);
+	std::string get_state_name () const;
+	std::string get_state_value () const;
+
+	PBD::Signal0<void> VisibilityChanged;
+	
+private:
+
+	struct Member {
+		Gtk::Widget* widget;
+		std::string  id;
+		std::string  name;
+		bool         visible;
+	};
+
+	class ModelColumns : public Gtk::TreeModelColumnRecord {
+	public:
+		ModelColumns () {
+			add (_visible);
+			add (_name);
+			add (_iterator);
+		}
+
+		Gtk::TreeModelColumn<bool> _visible;
+		Gtk::TreeModelColumn<std::string> _name;
+		Gtk::TreeModelColumn<std::vector<Member>::iterator> _iterator;
+	};
+
+	void toggle (std::vector<Member>::iterator);
+	void list_view_visible_changed (std::string const &);
+	void update_list_view ();
+
+	std::vector<Member> _members;
+	std::string _xml_property_name;
+	ModelColumns _model_columns;
+	Glib::RefPtr<Gtk::ListStore> _model;
+	bool _ignore_list_view_change;
+};
+
+#endif