plugin_selector.cc

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/*
    Copyright (C) 2000-2006 Paul Davis

    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.

*/
#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif

#include <cstdio>
#include <map>

#include <algorithm>

#include <gtkmm/table.h>
#include <gtkmm/stock.h>
#include <gtkmm/button.h>
#include <gtkmm/notebook.h>

#include <gtkmm2ext/utils.h>

#include "pbd/convert.h"

#include "ardour/plugin_manager.h"
#include "ardour/plugin.h"
#include "ardour/utils.h"

#include "ardour_ui.h"
#include "plugin_selector.h"
#include "gui_thread.h"

#include "i18n.h"

using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace std;

static const char* _filter_mode_strings[] = {
        N_("Name contains"),
        N_("Type contains"),
        N_("Category contains"),
        N_("Author contains"),
        N_("Library contains"),
        N_("Favorites only"),
        N_("Hidden only"),
        0
};

PluginSelector::PluginSelector (PluginManager& mgr)
        : ArdourDialog (_("Plugin Manager"), true, false)
        , filter_button (Stock::CLEAR)
        , manager (mgr)
          
{
        set_name ("PluginSelectorWindow");
        add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);

        _plugin_menu = 0;
        in_row_change = false;

        manager.PluginListChanged.connect (plugin_list_changed_connection, invalidator (*this), boost::bind (&PluginSelector::build_plugin_menu, this), gui_context());
        manager.PluginListChanged.connect (plugin_list_changed_connection, invalidator (*this), boost::bind (&PluginSelector::refill, this), gui_context());
        build_plugin_menu ();

        plugin_model = Gtk::ListStore::create (plugin_columns);
        plugin_display.set_model (plugin_model);
        /* XXX translators: try to convert "Fav" into a short term
           related to "favorite" and "Hid" into a short term
           related to "hidden"
        */
        plugin_display.append_column (_("Fav"), plugin_columns.favorite);
        plugin_display.append_column (_("Hide"), plugin_columns.hidden);
        plugin_display.append_column (_("Available Plugins"), plugin_columns.name);
        plugin_display.append_column (_("Type"), plugin_columns.type_name);
        plugin_display.append_column (_("Category"), plugin_columns.category);
        plugin_display.append_column (_("Creator"), plugin_columns.creator);
        plugin_display.append_column (_("# Audio In"),plugin_columns.audio_ins);
        plugin_display.append_column (_("# Audio Out"), plugin_columns.audio_outs);
        plugin_display.append_column (_("# MIDI In"),plugin_columns.midi_ins);
        plugin_display.append_column (_("# MIDI Out"), plugin_columns.midi_outs);
        plugin_display.set_headers_visible (true);
        plugin_display.set_headers_clickable (true);
        plugin_display.set_reorderable (false);
        plugin_display.set_rules_hint (true);

        CellRendererToggle* fav_cell = dynamic_cast<CellRendererToggle*>(plugin_display.get_column_cell_renderer (0));
        fav_cell->property_activatable() = true;
        fav_cell->property_radio() = true;
        fav_cell->signal_toggled().connect (sigc::mem_fun (*this, &PluginSelector::favorite_changed));

        CellRendererToggle* hidden_cell = dynamic_cast<CellRendererToggle*>(plugin_display.get_column_cell_renderer (1));
        hidden_cell->property_activatable() = true;
        hidden_cell->property_radio() = true;
        hidden_cell->signal_toggled().connect (sigc::mem_fun (*this, &PluginSelector::hidden_changed));

        scroller.set_border_width(10);
        scroller.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
        scroller.add(plugin_display);

        amodel = Gtk::ListStore::create(acols);
        added_list.set_model (amodel);
        added_list.append_column (_("Plugins to be connected"), acols.text);
        added_list.set_headers_visible (true);
        added_list.set_reorderable (false);

        for (int i = 0; i <=8; i++) {
                Gtk::TreeView::Column* column = plugin_display.get_column(i);
                column->set_sort_column(i);
        }

        ascroller.set_border_width(10);
        ascroller.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
        ascroller.add(added_list);
        btn_add = manage(new Gtk::Button(Stock::ADD));
        ARDOUR_UI::instance()->set_tip(*btn_add, _("Add a plugin to the effect list"));
        btn_add->set_sensitive (false);
        btn_remove = manage(new Gtk::Button(Stock::REMOVE));
        btn_remove->set_sensitive (false);
        ARDOUR_UI::instance()->set_tip(*btn_remove, _("Remove a plugin from the effect list"));
        Gtk::Button *btn_update = manage(new Gtk::Button(Stock::REFRESH));
        ARDOUR_UI::instance()->set_tip(*btn_update, _("Update available plugins"));

        btn_add->set_name("PluginSelectorButton");
        btn_remove->set_name("PluginSelectorButton");

        Gtk::Table* table = manage(new Gtk::Table(7, 11));
        table->set_size_request(750, 500);
        table->attach(scroller, 0, 7, 0, 5);

        HBox* filter_box = manage (new HBox);

        vector<string> filter_strings = I18N (_filter_mode_strings);
        Gtkmm2ext::set_popdown_strings (filter_mode, filter_strings);
        filter_mode.set_active_text (filter_strings.front());

        filter_box->pack_start (filter_mode, false, false);
        filter_box->pack_start (filter_entry, true, true);
        filter_box->pack_start (filter_button, false, false);

        filter_entry.signal_changed().connect (sigc::mem_fun (*this, &PluginSelector::filter_entry_changed));
        filter_button.signal_clicked().connect (sigc::mem_fun (*this, &PluginSelector::filter_button_clicked));
        filter_mode.signal_changed().connect (sigc::mem_fun (*this, &PluginSelector::filter_mode_changed));

        filter_box->show ();
        filter_mode.show ();
        filter_entry.show ();
        filter_button.show ();

        table->attach (*filter_box, 0, 7, 5, 6, FILL|EXPAND, FILL, 5, 5);

        table->attach(*btn_add, 1, 2, 6, 7, FILL, FILL, 5, 5);
        table->attach(*btn_remove, 3, 4, 6, 7, FILL, FILL, 5, 5);
        table->attach(*btn_update, 5, 6, 6, 7, FILL, FILL, 5, 5);

        table->attach(ascroller, 0, 7, 8, 10);

        add_button (Stock::CLOSE, RESPONSE_CLOSE);
        add_button (_("Insert Plugin(s)"), RESPONSE_APPLY);
        set_default_response (RESPONSE_APPLY);
        set_response_sensitive (RESPONSE_APPLY, false);
        get_vbox()->pack_start (*table);

        table->set_name("PluginSelectorTable");
        plugin_display.set_name("PluginSelectorDisplay");
        //plugin_display.set_name("PluginSelectorList");
        added_list.set_name("PluginSelectorList");

        plugin_display.signal_row_activated().connect_notify (sigc::mem_fun(*this, &PluginSelector::row_activated));
        plugin_display.get_selection()->signal_changed().connect (sigc::mem_fun(*this, &PluginSelector::display_selection_changed));
        plugin_display.grab_focus();

        btn_update->signal_clicked().connect (sigc::mem_fun(*this, &PluginSelector::btn_update_clicked));
        btn_add->signal_clicked().connect(sigc::mem_fun(*this, &PluginSelector::btn_add_clicked));
        btn_remove->signal_clicked().connect(sigc::mem_fun(*this, &PluginSelector::btn_remove_clicked));
        added_list.get_selection()->signal_changed().connect (sigc::mem_fun(*this, &PluginSelector::added_list_selection_changed));
        added_list.signal_button_press_event().connect_notify (mem_fun(*this, &PluginSelector::added_row_clicked));

        refill ();
}

PluginSelector::~PluginSelector ()
{
        delete _plugin_menu;
}

void
PluginSelector::row_activated(Gtk::TreeModel::Path, Gtk::TreeViewColumn*)
{
        btn_add_clicked();
}

void
PluginSelector::added_row_clicked(GdkEventButton* event)
{
        if (event->type == GDK_2BUTTON_PRESS)
                btn_remove_clicked();
}

bool
PluginSelector::show_this_plugin (const PluginInfoPtr& info, const std::string& filterstr)
{
        std::string compstr;
        std::string mode = filter_mode.get_active_text ();

        if (mode == _("Favorites only")) {
                return manager.get_status (info) == PluginManager::Favorite;
        }

        if (mode == _("Hidden only")) {
                return manager.get_status (info) == PluginManager::Hidden;
        }

        if (!filterstr.empty()) {

                if (mode == _("Name contains")) {
                        compstr = info->name;
                } else if (mode == _("Category contains")) {
                        compstr = info->category;
                } else if (mode == _("Type contains")) {

                        switch (info->type) {
                        case LADSPA:
                                compstr = X_("LADSPA");
                                break;
                        case AudioUnit:
                                compstr = X_("AudioUnit");
                                break;
                        case LV2:
                                compstr = X_("LV2");
                                break;
                        case Windows_VST:
                                compstr = X_("VST");
                                break;
                        case LXVST:
                                compstr = X_("LXVST");
                                break;
                        }

                } else if (mode == _("Author contains")) {
                        compstr = info->creator;
                } else if (mode == _("Library contains")) {
                        compstr = info->path;
                }

                if (compstr.empty()) {
                        return false;
                }

                transform (compstr.begin(), compstr.end(), compstr.begin(), ::toupper);

                if (compstr.find (filterstr) != string::npos) {
                        return true;
                } else {
                        return false;
                }
        }

        return true;
}

void
PluginSelector::setup_filter_string (string& filterstr)
{
        filterstr = filter_entry.get_text ();
        transform (filterstr.begin(), filterstr.end(), filterstr.begin(), ::toupper);
}

void
PluginSelector::refill ()
{
        std::string filterstr;

        in_row_change = true;

        plugin_model->clear ();

        setup_filter_string (filterstr);

        ladspa_refiller (filterstr);
        lv2_refiller (filterstr);
        vst_refiller (filterstr);
        lxvst_refiller (filterstr);
        au_refiller (filterstr);

        in_row_change = false;
}

void
PluginSelector::refiller (const PluginInfoList& plugs, const::std::string& filterstr, const char* type)
{
        char buf[16];

        for (PluginInfoList::const_iterator i = plugs.begin(); i != plugs.end(); ++i) {

                if (show_this_plugin (*i, filterstr)) {

                        TreeModel::Row newrow = *(plugin_model->append());
                        newrow[plugin_columns.favorite] = (manager.get_status (*i) == PluginManager::Favorite);
                        newrow[plugin_columns.hidden] = (manager.get_status (*i) == PluginManager::Hidden);
                        newrow[plugin_columns.name] = (*i)->name;
                        newrow[plugin_columns.type_name] = type;
                        newrow[plugin_columns.category] = (*i)->category;

                        string creator = (*i)->creator;
                        string::size_type pos = 0;

                        /* stupid LADSPA creator strings */
#ifdef PLATFORM_WINDOWS
                        while (pos < creator.length() && creator[pos] > -2 && creator[pos] < 256 && (isalnum (creator[pos]) || isspace (creator[pos]))) ++pos;
#else
                        while (pos < creator.length() && (isalnum (creator[pos]) || isspace (creator[pos]))) ++pos;
#endif
                        // If there were too few characters to create a
                        // meaningful name, mark this creator as 'Unknown'
                        if (creator.length()<2 || pos<3)
                                creator = "Unknown";
                        else
                                creator = creator.substr (0, pos);

                        newrow[plugin_columns.creator] = creator;

                        if ((*i)->reconfigurable_io ()) {
                                newrow[plugin_columns.audio_ins] = _("variable");
                                newrow[plugin_columns.midi_ins] = _("variable");
                                newrow[plugin_columns.audio_outs] = _("variable");
                                newrow[plugin_columns.midi_outs] = _("variable");
                        } else {
                                snprintf (buf, sizeof(buf), "%d", (*i)->n_inputs.n_audio());
                                newrow[plugin_columns.audio_ins] = buf;
                                snprintf (buf, sizeof(buf), "%d", (*i)->n_inputs.n_midi());
                                newrow[plugin_columns.midi_ins] = buf;
                                
                                snprintf (buf, sizeof(buf), "%d", (*i)->n_outputs.n_audio());
                                newrow[plugin_columns.audio_outs] = buf;
                                snprintf (buf, sizeof(buf), "%d", (*i)->n_outputs.n_midi());
                                newrow[plugin_columns.midi_outs] = buf;
                        }

                        newrow[plugin_columns.plugin] = *i;
                }
        }
}

void
PluginSelector::ladspa_refiller (const std::string& filterstr)
{
        refiller (manager.ladspa_plugin_info(), filterstr, "LADSPA");
}

void
PluginSelector::lv2_refiller (const std::string& filterstr)
{
#ifdef LV2_SUPPORT
        refiller (manager.lv2_plugin_info(), filterstr, "LV2");
#endif
}

void
#ifdef WINDOWS_VST_SUPPORT
PluginSelector::vst_refiller (const std::string& filterstr)
#else
PluginSelector::vst_refiller (const std::string&)
#endif
{
#ifdef WINDOWS_VST_SUPPORT
        refiller (manager.windows_vst_plugin_info(), filterstr, "VST");
#endif
}

void
#ifdef LXVST_SUPPORT
PluginSelector::lxvst_refiller (const std::string& filterstr)
#else
PluginSelector::lxvst_refiller (const std::string&)
#endif
{
#ifdef LXVST_SUPPORT
        refiller (manager.lxvst_plugin_info(), filterstr, "LXVST");
#endif
}

void
#ifdef AUDIOUNIT_SUPPORT
PluginSelector::au_refiller (const std::string& filterstr)
#else
PluginSelector::au_refiller (const std::string&)
#endif
{
#ifdef AUDIOUNIT_SUPPORT
        refiller (manager.au_plugin_info(), filterstr, "AU");
#endif
}

PluginPtr
PluginSelector::load_plugin (PluginInfoPtr pi)
{
        if (_session == 0) {
                return PluginPtr();
        }

        return pi->load (*_session);
}

void
PluginSelector::btn_add_clicked()
{
        std::string name;
        PluginInfoPtr pi;
        TreeModel::Row newrow = *(amodel->append());
        TreeModel::Row row;

        row = *(plugin_display.get_selection()->get_selected());
        name = row[plugin_columns.name];
        pi = row[plugin_columns.plugin];

        newrow[acols.text] = name;
        newrow[acols.plugin] = pi;

        if (!amodel->children().empty()) {
                set_response_sensitive (RESPONSE_APPLY, true);
        }
}

void
PluginSelector::btn_remove_clicked()
{
        TreeModel::iterator iter = added_list.get_selection()->get_selected();

        amodel->erase(iter);
        if (amodel->children().empty()) {
                set_response_sensitive (RESPONSE_APPLY, false);
        }
}

void
PluginSelector::btn_update_clicked()
{
        manager.refresh ();
}

void
PluginSelector::display_selection_changed()
{
        if (plugin_display.get_selection()->count_selected_rows() != 0) {
                btn_add->set_sensitive (true);
        } else {
                btn_add->set_sensitive (false);
        }
}

void
PluginSelector::added_list_selection_changed()
{
        if (added_list.get_selection()->count_selected_rows() != 0) {
                btn_remove->set_sensitive (true);
        } else {
                btn_remove->set_sensitive (false);
        }
}

int
PluginSelector::run ()
{
        ResponseType r;
        TreeModel::Children::iterator i;

        bool finish = false;

        while (!finish) {

                SelectedPlugins plugins;
                r = (ResponseType) Dialog::run ();

                switch (r) {
                case RESPONSE_APPLY:
                        for (i = amodel->children().begin(); i != amodel->children().end(); ++i) {
                                PluginInfoPtr pp = (*i)[acols.plugin];
                                PluginPtr p = load_plugin (pp);
                                if (p) {
                                        plugins.push_back (p);
                                } else {
                                        MessageDialog msg (string_compose (_("The plugin \"%1\" could not be loaded\n\nSee the Log window for more details (maybe)"), pp->name));
                                        msg.run ();
                                }
                        }
                        if (interested_object && !plugins.empty()) {
                                finish = !interested_object->use_plugins (plugins);
                        }

                        break;

                default:
                        finish = true;
                        break;
                }
        }


        hide();
        amodel->clear();
        interested_object = 0;

        return (int) r;
}

void
PluginSelector::filter_button_clicked ()
{
        filter_entry.set_text ("");
}

void
PluginSelector::filter_entry_changed ()
{
        refill ();
}

void
PluginSelector::filter_mode_changed ()
{
        std::string mode = filter_mode.get_active_text ();

        if (mode == _("Favorites only") || mode == _("Hidden only")) {
                filter_entry.set_sensitive (false);
        } else {
                filter_entry.set_sensitive (true);
        }

        refill ();
}

void
PluginSelector::on_show ()
{
        ArdourDialog::on_show ();
        filter_entry.grab_focus ();
}

struct PluginMenuCompareByCreator {
    bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
            int cmp;

            cmp = cmp_nocase_utf8 (a->creator, b->creator);

            if (cmp < 0) {
                    return true;
            } else if (cmp == 0) {
                    /* same creator ... compare names */
                    if (cmp_nocase_utf8 (a->name, b->name) < 0) {
                            return true;
                    }
            }
            return false;
    }
};

struct PluginMenuCompareByName {
    bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
            int cmp;

            cmp = cmp_nocase_utf8 (a->name, b->name);

            if (cmp < 0) {
                    return true;
            } else if (cmp == 0) {
                    /* same name ... compare type */
                    if (a->type < b->type) {
                            return true;
                    }
            }
            return false;
    }
};

struct PluginMenuCompareByCategory {
    bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
            int cmp;

            cmp = cmp_nocase_utf8 (a->category, b->category);

            if (cmp < 0) {
                    return true;
            } else if (cmp == 0) {
                    /* same category ... compare names */
                    if (cmp_nocase_utf8 (a->name, b->name) < 0) {
                            return true;
                    }
            }
            return false;
    }
};

Gtk::Menu*
PluginSelector::plugin_menu()
{
        return _plugin_menu;
}

void
PluginSelector::build_plugin_menu ()
{
        PluginInfoList all_plugs;

        all_plugs.insert (all_plugs.end(), manager.ladspa_plugin_info().begin(), manager.ladspa_plugin_info().end());
#ifdef WINDOWS_VST_SUPPORT
        all_plugs.insert (all_plugs.end(), manager.windows_vst_plugin_info().begin(), manager.windows_vst_plugin_info().end());
#endif
#ifdef LXVST_SUPPORT
        all_plugs.insert (all_plugs.end(), manager.lxvst_plugin_info().begin(), manager.lxvst_plugin_info().end());
#endif
#ifdef AUDIOUNIT_SUPPORT
        all_plugs.insert (all_plugs.end(), manager.au_plugin_info().begin(), manager.au_plugin_info().end());
#endif
#ifdef LV2_SUPPORT
        all_plugs.insert (all_plugs.end(), manager.lv2_plugin_info().begin(), manager.lv2_plugin_info().end());
#endif

        using namespace Menu_Helpers;

        delete _plugin_menu;

        _plugin_menu = manage (new Menu);
        _plugin_menu->set_name("ArdourContextMenu");

        MenuList& items = _plugin_menu->items();
        items.clear ();

        Gtk::Menu* favs = create_favs_menu(all_plugs);
        items.push_back (MenuElem (_("Favorites"), *manage (favs)));

        items.push_back (MenuElem (_("Plugin Manager..."), sigc::mem_fun (*this, &PluginSelector::show_manager)));
        items.push_back (SeparatorElem ());

        Menu* by_creator = create_by_creator_menu(all_plugs);
        items.push_back (MenuElem (_("By Creator"), *manage (by_creator)));

        Menu* by_category = create_by_category_menu(all_plugs);
        items.push_back (MenuElem (_("By Category"), *manage (by_category)));
}

Gtk::Menu*
PluginSelector::create_favs_menu (PluginInfoList& all_plugs)
{
        using namespace Menu_Helpers;

        Menu* favs = new Menu();
        favs->set_name("ArdourContextMenu");

        PluginMenuCompareByName cmp_by_name;
        all_plugs.sort (cmp_by_name);

        for (PluginInfoList::const_iterator i = all_plugs.begin(); i != all_plugs.end(); ++i) {
                if (manager.get_status (*i) == PluginManager::Favorite) {
                        MenuElem elem ((*i)->name, (sigc::bind (sigc::mem_fun (*this, &PluginSelector::plugin_chosen_from_menu), *i)));
                        elem.get_child()->set_use_underline (false);
                        favs->items().push_back (elem);
                }
        }
        return favs;
}

Gtk::Menu*
PluginSelector::create_by_creator_menu (ARDOUR::PluginInfoList& all_plugs)
{
        using namespace Menu_Helpers;

        typedef std::map<std::string,Gtk::Menu*> SubmenuMap;
        SubmenuMap creator_submenu_map;

        Menu* by_creator = new Menu();
        by_creator->set_name("ArdourContextMenu");

        MenuList& by_creator_items = by_creator->items();
        PluginMenuCompareByCreator cmp_by_creator;
        all_plugs.sort (cmp_by_creator);

        for (PluginInfoList::const_iterator i = all_plugs.begin(); i != all_plugs.end(); ++i) {

                if (manager.get_status (*i) == PluginManager::Hidden) continue;

                string creator = (*i)->creator;

                /* stupid LADSPA creator strings */
                string::size_type pos = 0;
#ifdef PLATFORM_WINDOWS
                while (pos < creator.length() && creator[pos]>(-2) && creator[pos]<256 && (isprint (creator[pos]))) ++pos;
#else
                while (pos < creator.length() && (isalnum (creator[pos]) || isspace (creator[pos]))) ++pos;
#endif

                // Check to see if we found any invalid characters.
                if (creator.length() != pos) {
                        // If there were too few characters to create a
                        // meaningful name, mark this creator as 'Unknown'
                        if (pos<3)
                                creator = "Unknown?";
                        else
                                creator = creator.substr (0, pos);
                }

                SubmenuMap::iterator x;
                Gtk::Menu* submenu;
                if ((x = creator_submenu_map.find (creator)) != creator_submenu_map.end()) {
                        submenu = x->second;
                } else {
                        submenu = new Gtk::Menu;
                        by_creator_items.push_back (MenuElem (creator, *manage (submenu)));
                        creator_submenu_map.insert (pair<std::string,Menu*> (creator, submenu));
                        submenu->set_name("ArdourContextMenu");
                }
                MenuElem elem ((*i)->name, (sigc::bind (sigc::mem_fun (*this, &PluginSelector::plugin_chosen_from_menu), *i)));
                elem.get_child()->set_use_underline (false);
                submenu->items().push_back (elem);
        }
        return by_creator;
}

Gtk::Menu*
PluginSelector::create_by_category_menu (ARDOUR::PluginInfoList& all_plugs)
{
        using namespace Menu_Helpers;

        typedef std::map<std::string,Gtk::Menu*> SubmenuMap;
        SubmenuMap category_submenu_map;

        Menu* by_category = new Menu();
        by_category->set_name("ArdourContextMenu");

        MenuList& by_category_items = by_category->items();
        PluginMenuCompareByCategory cmp_by_category;
        all_plugs.sort (cmp_by_category);

        for (PluginInfoList::const_iterator i = all_plugs.begin(); i != all_plugs.end(); ++i) {

                if (manager.get_status (*i) == PluginManager::Hidden) continue;

                string category = (*i)->category;

                SubmenuMap::iterator x;
                Gtk::Menu* submenu;
                if ((x = category_submenu_map.find (category)) != category_submenu_map.end()) {
                        submenu = x->second;
                } else {
                        submenu = new Gtk::Menu;
                        by_category_items.push_back (MenuElem (category, *manage (submenu)));
                        category_submenu_map.insert (pair<std::string,Menu*> (category, submenu));
                        submenu->set_name("ArdourContextMenu");
                }
                MenuElem elem ((*i)->name, (sigc::bind (sigc::mem_fun (*this, &PluginSelector::plugin_chosen_from_menu), *i)));
                elem.get_child()->set_use_underline (false);
                submenu->items().push_back (elem);
        }
        return by_category;
}

void
PluginSelector::plugin_chosen_from_menu (const PluginInfoPtr& pi)
{
        PluginPtr p = load_plugin (pi);

        if (p && interested_object) {
                SelectedPlugins plugins;
                plugins.push_back (p);
                interested_object->use_plugins (plugins);
        }

        interested_object = 0;
}

void
PluginSelector::favorite_changed (const std::string& path)
{
        PluginInfoPtr pi;

        if (in_row_change) {
                return;
        }

        in_row_change = true;

        TreeModel::iterator iter = plugin_model->get_iter (path);

        if (iter) {

                bool favorite = !(*iter)[plugin_columns.favorite];

                /* change state */

                (*iter)[plugin_columns.favorite] = favorite;
                (*iter)[plugin_columns.hidden] = false;
                PluginManager::PluginStatusType status = (favorite ? PluginManager::Favorite : PluginManager::Normal);

                /* save new statuses list */

                pi = (*iter)[plugin_columns.plugin];

                manager.set_status (pi->type, pi->unique_id, status);

                manager.save_statuses ();

                build_plugin_menu ();
        }
        in_row_change = false;
}

void
PluginSelector::hidden_changed (const std::string& path)
{
        PluginInfoPtr pi;

        if (in_row_change) {
                return;
        }

        in_row_change = true;

        TreeModel::iterator iter = plugin_model->get_iter (path);

        if (iter) {

                bool hidden = !(*iter)[plugin_columns.hidden];

                /* change state */

                (*iter)[plugin_columns.favorite] = false;
                (*iter)[plugin_columns.hidden] = hidden;
                PluginManager::PluginStatusType status = (hidden ? PluginManager::Hidden : PluginManager::Normal);

                /* save new statuses list */

                pi = (*iter)[plugin_columns.plugin];

                manager.set_status (pi->type, pi->unique_id, status);

                manager.save_statuses ();

                build_plugin_menu ();
        }
        in_row_change = false;
}

void
PluginSelector::show_manager ()
{
        show_all();
        run ();
}

void
PluginSelector::set_interested_object (PluginInterestedObject& obj)
{
        interested_object = &obj;
}