Add missing files.
git-svn-id: svn://localhost/ardour2/branches/3.0@10342 d708f5d6-7413-0410-9779-e7cbd77b26cf
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Carl Hetherington
parent
db429c2362
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1006458750
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/*
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Copyright (C) 2011 Paul Davis
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Author: Carl Hetherington <cth@carlh.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <gtkmm/menu.h>
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#include <gtkmm/menushell.h>
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#include <gtkmm/treeview.h>
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#include "pbd/xml++.h"
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#include "visibility_group.h"
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#include "i18n.h"
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using namespace std;
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VisibilityGroup::VisibilityGroup (std::string const & name)
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: _xml_property_name (name)
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, _ignore_list_view_change (false)
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{
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}
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/** Add a widget to the group.
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* @param widget The widget.
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* @param id Some single-word ID to be used for the state of this member in XML.
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* @param name User-visible name for the widget.
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* @param visible true to default to visible, otherwise false.
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*/
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void
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VisibilityGroup::add (Gtk::Widget* widget, string const & id, string const & name, bool visible)
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{
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Member m;
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m.widget = widget;
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m.id = id;
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m.name = name;
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m.visible = visible;
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_members.push_back (m);
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}
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/** Pop up a menu (on right-click) to configure visibility of members */
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bool
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VisibilityGroup::button_press_event (GdkEventButton* ev)
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{
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if (ev->button != 3) {
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return false;
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}
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menu()->popup (1, ev->time);
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return true;
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}
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Gtk::Menu*
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VisibilityGroup::menu ()
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{
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using namespace Gtk::Menu_Helpers;
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Gtk::Menu* m = Gtk::manage (new Gtk::Menu);
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MenuList& items = m->items ();
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for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
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items.push_back (CheckMenuElem (i->name));
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Gtk::CheckMenuItem* j = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
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j->set_active (i->visible);
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j->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &VisibilityGroup::toggle), i));
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}
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return m;
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}
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/** Update visible consequences of any changes to our _members vector */
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void
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VisibilityGroup::update ()
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{
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for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
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if (i->widget) {
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if (i->visible) {
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cout << "VG show " << i->name << "\n";
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i->widget->show ();
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} else {
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cout << "VG hide " << i->name << "\n";
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i->widget->hide ();
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}
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}
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}
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update_list_view ();
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VisibilityChanged (); /* EMIT SIGNAL */
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}
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void
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VisibilityGroup::toggle (vector<Member>::iterator m)
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{
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m->visible = !m->visible;
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update ();
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}
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void
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VisibilityGroup::set_state (XMLNode const & node)
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{
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XMLProperty const * p = node.property (_xml_property_name);
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if (!p) {
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return;
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}
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set_state (p->value ());
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}
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void
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VisibilityGroup::set_state (string v)
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{
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for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
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i->visible = false;
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}
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do {
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string::size_type const comma = v.find_first_of (',');
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string segment = v.substr (0, comma);
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for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
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if (segment == i->id) {
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i->visible = true;
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}
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}
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if (comma == string::npos) {
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break;
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}
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v = v.substr (comma + 1);
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} while (1);
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update ();
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}
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string
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VisibilityGroup::get_state_name () const
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{
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return _xml_property_name;
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}
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string
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VisibilityGroup::get_state_value () const
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{
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string result;
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for (vector<Member>::const_iterator i = _members.begin(); i != _members.end(); ++i) {
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if (i->visible) {
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if (!result.empty ()) {
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result += ',';
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}
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result += i->id;
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}
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}
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return result;
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}
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void
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VisibilityGroup::update_list_view ()
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{
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if (!_model) {
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return;
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}
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_ignore_list_view_change = true;
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_model->clear ();
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for (vector<Member>::iterator i = _members.begin(); i != _members.end(); ++i) {
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Gtk::TreeModel::iterator j = _model->append ();
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Gtk::TreeModel::Row row = *j;
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row[_model_columns._visible] = i->visible;
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row[_model_columns._name] = i->name;
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row[_model_columns._iterator] = i;
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}
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_ignore_list_view_change = false;
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}
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Gtk::Widget *
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VisibilityGroup::list_view ()
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{
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_model = Gtk::ListStore::create (_model_columns);
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update_list_view ();
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Gtk::TreeView* v = Gtk::manage (new Gtk::TreeView (_model));
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v->set_headers_visible (false);
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v->append_column (_(""), _model_columns._visible);
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v->append_column (_(""), _model_columns._name);
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Gtk::CellRendererToggle* visible_cell = dynamic_cast<Gtk::CellRendererToggle*> (v->get_column_cell_renderer (0));
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visible_cell->property_activatable() = true;
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visible_cell->signal_toggled().connect (sigc::mem_fun (*this, &VisibilityGroup::list_view_visible_changed));
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return v;
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}
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void
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VisibilityGroup::list_view_visible_changed (string const & path)
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{
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if (_ignore_list_view_change) {
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return;
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}
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Gtk::TreeModel::iterator i = _model->get_iter (path);
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if (!i) {
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return;
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}
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vector<Member>::iterator j = (*i)[_model_columns._iterator];
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j->visible = !j->visible;
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(*i)[_model_columns._visible] = j->visible;
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update ();
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}
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@ -0,0 +1,85 @@
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/*
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Copyright (C) 2011 Paul Davis
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Author: Carl Hetherington <cth@carlh.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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|
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_visibility_group__
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#define __ardour_visibility_group__
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#include <gtkmm/liststore.h>
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#include "pbd/signals.h"
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class XMLNode;
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class XMLProperty;
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/** A class to manage a group of widgets where the visibility of each
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* can be configured by the user. The class can generate a menu to
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* set up visibility, and save and restore visibility state to XML.
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*/
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class VisibilityGroup
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{
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public:
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VisibilityGroup (std::string const &);
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void add (Gtk::Widget *, std::string const &, std::string const &, bool visible = true);
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Gtk::Menu* menu ();
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Gtk::Widget* list_view ();
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bool button_press_event (GdkEventButton *);
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void update ();
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void set_state (XMLNode const &);
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void set_state (std::string);
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std::string get_state_name () const;
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std::string get_state_value () const;
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PBD::Signal0<void> VisibilityChanged;
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private:
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struct Member {
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Gtk::Widget* widget;
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std::string id;
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std::string name;
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bool visible;
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};
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class ModelColumns : public Gtk::TreeModelColumnRecord {
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public:
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ModelColumns () {
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add (_visible);
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add (_name);
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add (_iterator);
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}
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Gtk::TreeModelColumn<bool> _visible;
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Gtk::TreeModelColumn<std::string> _name;
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Gtk::TreeModelColumn<std::vector<Member>::iterator> _iterator;
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};
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void toggle (std::vector<Member>::iterator);
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void list_view_visible_changed (std::string const &);
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void update_list_view ();
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std::vector<Member> _members;
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std::string _xml_property_name;
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ModelColumns _model_columns;
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Glib::RefPtr<Gtk::ListStore> _model;
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bool _ignore_list_view_change;
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};
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#endif
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