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option_editor.cc

/*
    Copyright (C) 2001-2006 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.

*/
#include <pango/pangoft2.h> // for fontmap resolution control for GnomeCanvas
#include <pango/pangocairo.h> // for fontmap resolution control for GnomeCanvas

#include <pbd/whitespace.h>

#include <ardour/ardour.h>
#include <ardour/session.h>
#include <ardour/audioengine.h>
#include <ardour/configuration.h>
#include <ardour/auditioner.h>
#include <ardour/sndfilesource.h>
#include <ardour/crossfade.h>
#include <ardour/profile.h>
#include <midi++/manager.h>
#include <midi++/factory.h>
#include <gtkmm2ext/stop_signal.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/window_title.h>

#include "public_editor.h"
#include "keyboard.h"
#include "mixer_ui.h"
#include "ardour_ui.h"
#include "io_selector.h"
#include "gain_meter.h"
#include "sfdb_ui.h"
#include "utils.h"
#include "editing.h"
#include "option_editor.h"
#include "midi_port_dialog.h"
#include "gui_thread.h"
#include "utils.h"

#include "i18n.h"

using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Editing;
using namespace Gtkmm2ext;
using namespace std;

static vector<string> positional_sync_strings;

OptionEditor::OptionEditor (ARDOUR_UI& uip, PublicEditor& ed, Mixer_UI& mixui)
      : ArdourDialog ("options editor", false),
        ui (uip),
        editor (ed),
        mixer (mixui),

        /* Paths */
        path_table (11, 2),

        /* misc */

        short_xfade_adjustment (0, 1.0, 500.0, 5.0, 100.0),
        short_xfade_slider (short_xfade_adjustment),
        destructo_xfade_adjustment (1.0, 1.0, 500.0, 1.0, 100.0),
        destructo_xfade_slider (destructo_xfade_adjustment),
        history_depth (20, -1, 100, 1.0, 10.0),
        saved_history_depth (20, 0, 100, 1.0, 10.0),
        history_depth_spinner (history_depth),
        saved_history_depth_spinner (saved_history_depth),
        limit_history_button (_("Limit undo history")),
        save_history_button (_("Save undo history")),

        /* Sync */

        smpte_offset_clock (X_("smpteoffset"), false, X_("SMPTEOffsetClock"), true, true),
        smpte_offset_negative_button (_("SMPTE offset is negative")),
        synced_timecode_button (_("Timecode source is sample-clock synced")),

        /* MIDI */

        midi_port_table (4, 11),
        mmc_receive_device_id_adjustment (0.0, 0.0, (double) 0x7f, 1.0, 16.0),
        mmc_receive_device_id_spinner (mmc_receive_device_id_adjustment),
        mmc_send_device_id_adjustment (0.0, 0.0, (double) 0x7f, 1.0, 16.0),
        mmc_send_device_id_spinner (mmc_send_device_id_adjustment),
        add_midi_port_button (_("Add new MIDI port")),
        initial_program_change_adjustment (0.0, -1.0, (double) 0x7f, 1.0, 16.0),
        initial_program_change_spinner (initial_program_change_adjustment),

        /* Click */

        click_table (2, 3),
        click_browse_button (_("Browse")),
        click_emphasis_browse_button (_("Browse")),

        /* kbd/mouse */

        keyboard_mouse_table (4, 4),
        delete_button_adjustment (3, 1, 5),
        delete_button_spin (delete_button_adjustment),
        edit_button_adjustment (3, 1, 5),
        edit_button_spin (edit_button_adjustment)
        
{
      using namespace Notebook_Helpers;

      first_click_setup = true;
      click_io_selector = 0;
      auditioner_io_selector = 0;
      session = 0;
      
      WindowTitle title(Glib::get_application_name());
      title += _("Preferences");
      set_title(title.get_string());

      set_default_size (300, 300);
      set_wmclass (X_("ardour_preferences"), "Ardour");

      set_name ("Preferences");
      add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
      
      VBox *vbox = get_vbox();
      set_border_width (3);

      vbox->set_spacing (4);
      vbox->pack_start(notebook);

      signal_delete_event().connect (mem_fun(*this, &OptionEditor::wm_close));

      notebook.set_show_tabs (true);
      notebook.set_show_border (true);
      notebook.set_name ("OptionsNotebook");

      setup_sync_options();
      setup_path_options();
      setup_misc_options ();
      setup_keyboard_options ();
      setup_auditioner_editor ();

      if (!Profile->get_sae()) {
            notebook.pages().push_back (TabElem (sync_packer, _("Sync")));
            notebook.pages().push_back (TabElem (path_table, _("Paths/Files")));
            notebook.pages().push_back (TabElem (keyboard_mouse_table, _("Kbd/Mouse")));
      }
      notebook.pages().push_back (TabElem (click_packer, _("Click")));
      notebook.pages().push_back (TabElem (audition_packer, _("Audition")));
      notebook.pages().push_back (TabElem (misc_packer, _("Misc")));

      setup_midi_options ();
      notebook.pages().push_back (TabElem (midi_packer, _("MIDI")));

      set_session (0);
      show_all_children();

      Config->map_parameters (mem_fun (*this, &OptionEditor::parameter_changed));
      Config->ParameterChanged.connect (mem_fun (*this, &OptionEditor::parameter_changed));
}

void
OptionEditor::set_session (Session *s)
{
      clear_click_editor ();
      clear_auditioner_editor ();

      click_path_entry.set_text ("");
      click_emphasis_path_entry.set_text ("");
      session_raid_entry.set_text ("");

      click_path_entry.set_sensitive (false);
      click_emphasis_path_entry.set_sensitive (false);
      session_raid_entry.set_sensitive (false);

      short_xfade_slider.set_sensitive (false);
      smpte_offset_negative_button.set_sensitive (false);

      smpte_offset_clock.set_session (s);

      if ((session = s) == 0) {
            return;
      }

      click_path_entry.set_sensitive (true);
      click_emphasis_path_entry.set_sensitive (true);
      session_raid_entry.set_sensitive (true);
      short_xfade_slider.set_sensitive (true);
      smpte_offset_negative_button.set_sensitive (true);

      smpte_offset_clock.set_session (s);
      smpte_offset_clock.set (s->smpte_offset (), true);

      smpte_offset_negative_button.set_active (session->smpte_offset_negative());

      redisplay_midi_ports ();

      setup_click_editor ();
      connect_audition_editor ();

      short_xfade_adjustment.set_value ((Crossfade::short_xfade_length() / (float) session->frame_rate()) * 1000.0);

      add_session_paths ();
}

OptionEditor::~OptionEditor ()
{
}

void
OptionEditor::setup_path_options()
{
      Gtk::Label* label;

      path_table.set_homogeneous (false);
      path_table.set_border_width (12);
      path_table.set_row_spacings (5);

      session_raid_entry.set_name ("OptionsEntry");

      session_raid_entry.signal_activate().connect (mem_fun(*this, &OptionEditor::raid_path_changed));

      label = manage(new Label(_("session RAID path")));
      label->set_name ("OptionsLabel");
      path_table.attach (*label, 0, 1, 0, 1, FILL|EXPAND, FILL);
      path_table.attach (session_raid_entry, 1, 3, 0, 1, Gtk::FILL|Gtk::EXPAND, FILL);

      path_table.show_all();
}

void
OptionEditor::add_session_paths ()
{
      click_path_entry.set_sensitive (true);
      click_emphasis_path_entry.set_sensitive (true);
      session_raid_entry.set_sensitive (true);

      if (Config->get_click_sound().empty()) {
            click_path_entry.set_text (_("internal"));
      } else {
            click_path_entry.set_text (Config->get_click_sound());
      }

      if (Config->get_click_emphasis_sound().empty()) {
            click_emphasis_path_entry.set_text (_("internal"));
      } else {
            click_emphasis_path_entry.set_text (Config->get_click_emphasis_sound());
      }

      session_raid_entry.set_text(session->raid_path());
}

static void
font_scale_changed (Gtk::Adjustment* adj)
{
      Config->set_font_scale((long)floor (adj->get_value() * 1024));
      reset_dpi();
}

void
OptionEditor::setup_misc_options ()
{
      Gtk::HBox* hbox;
      Label* label;

#ifndef GTKOSX
      /* font scaling does nothing with GDK/Quartz */

      Gtk::Adjustment* dpi_adj = new Gtk::Adjustment ((double)Config->get_font_scale() / 1024, 50, 250, 1, 10);
      Gtk::HScale * dpi_range = new Gtk::HScale (*dpi_adj);

      label = manage (new Label (_("Font Scaling")));
      label->set_name ("OptionsLabel");

      dpi_range->set_update_policy (Gtk::UPDATE_DISCONTINUOUS);
      dpi_adj->signal_value_changed().connect (bind (sigc::ptr_fun (font_scale_changed), dpi_adj));

      hbox = manage (new HBox);
      hbox->set_border_width (5);
      hbox->set_spacing (10);
      hbox->pack_start (*label, false, false);
      hbox->pack_start (*dpi_range, true, true);
      misc_packer.pack_start (*hbox, false, false);
#endif

      label = manage (new Label (_("Short crossfade length (msecs)")));
      label->set_name ("OptionsLabel");
      
      hbox = manage (new HBox);
      hbox->set_border_width (5);
      hbox->set_spacing (10);
      hbox->pack_start (*label, false, false);
      hbox->pack_start (short_xfade_slider, true, true);
      misc_packer.pack_start (*hbox, false, false);

      short_xfade_adjustment.signal_value_changed().connect (mem_fun(*this, &OptionEditor::short_xfade_adjustment_changed));

      label = manage (new Label (_("Destructive crossfade length (msecs)")));
      label->set_name ("OptionsLabel");
      
      hbox = manage (new HBox);
      hbox->set_border_width (5);
      hbox->set_spacing (10);
      hbox->pack_start (*label, false, false);
      hbox->pack_start (destructo_xfade_slider, true, true);
      misc_packer.pack_start (*hbox, false, false);
      

      destructo_xfade_adjustment.signal_value_changed().connect (mem_fun(*this, &OptionEditor::destructo_xfade_adjustment_changed));

      hbox = manage (new HBox);
      hbox->set_border_width (5);
      hbox->set_spacing (10);
      hbox->pack_start (limit_history_button, false, false);
      misc_packer.pack_start (*hbox, false, false);

      label = manage (new Label (_("History depth (commands)")));
      label->set_name ("OptionsLabel");

      hbox = manage (new HBox);
      hbox->set_border_width (5);
      hbox->set_spacing (10);
      hbox->pack_start (*label, false, false);
      hbox->pack_start (history_depth_spinner, false, false);
      misc_packer.pack_start (*hbox, false, false);

      history_depth.signal_value_changed().connect (mem_fun (*this, &OptionEditor::history_depth_changed));
      saved_history_depth.signal_value_changed().connect (mem_fun (*this, &OptionEditor::saved_history_depth_changed));
      save_history_button.signal_toggled().connect (mem_fun (*this, &OptionEditor::save_history_toggled));
      limit_history_button.signal_toggled().connect (mem_fun (*this, &OptionEditor::limit_history_toggled));

      hbox = manage (new HBox);
      hbox->set_border_width (5);
      hbox->set_spacing (10);
      hbox->pack_start (save_history_button, false, false);
      misc_packer.pack_start (*hbox, false, false);

      label = manage (new Label (_("Saved history depth (commands)")));
      label->set_name ("OptionsLabel");

      hbox = manage (new HBox);
      hbox->set_border_width (5);
      hbox->set_spacing (10);
      hbox->pack_start (*label, false, false);
      hbox->pack_start (saved_history_depth_spinner, false, false);
      misc_packer.pack_start (*hbox, false, false);
      
      short_xfade_slider.set_update_policy (UPDATE_DISCONTINUOUS);
      destructo_xfade_slider.set_update_policy (UPDATE_DISCONTINUOUS);

      destructo_xfade_adjustment.set_value (Config->get_destructive_xfade_msecs());

      misc_packer.show_all ();
}

void
OptionEditor::limit_history_toggled ()
{
      bool x = limit_history_button.get_active();
      
      if (!x) {
            Config->set_history_depth (0);
            history_depth_spinner.set_sensitive (false);
      } else {
            if (Config->get_history_depth() == 0) {
                  /* get back to a sane default */
                  Config->set_history_depth (20);
            }
            history_depth_spinner.set_sensitive (true);
      }
}

void
OptionEditor::save_history_toggled ()
{
      bool x = save_history_button.get_active();

      if (x != Config->get_save_history()) {
            Config->set_save_history (x);
            saved_history_depth_spinner.set_sensitive (x);
      }
}

void
OptionEditor::history_depth_changed()
{
      Config->set_history_depth ((int32_t) floor (history_depth.get_value()));
}

void
OptionEditor::saved_history_depth_changed()
{
      Config->set_saved_history_depth ((int32_t) floor (saved_history_depth.get_value()));
}

void
OptionEditor::short_xfade_adjustment_changed ()
{
      if (session) {
            float val = short_xfade_adjustment.get_value();
            
            /* val is in msecs */
            
            Crossfade::set_short_xfade_length ((nframes_t) floor (session->frame_rate() * (val / 1000.0)));
      }
}

void
OptionEditor::destructo_xfade_adjustment_changed ()
{
      float val = destructo_xfade_adjustment.get_value();

      /* val is in msecs */

      
      Config->set_destructive_xfade_msecs ((uint32_t) floor (val));

      if (session) {
            SndFileSource::setup_standard_crossfades (session->frame_rate());
      } 
}

void
OptionEditor::setup_sync_options ()
{
      HBox* hbox;
      vector<string> dumb;

      smpte_offset_clock.set_mode (AudioClock::SMPTE);
      smpte_offset_clock.ValueChanged.connect (mem_fun(*this, &OptionEditor::smpte_offset_chosen));
      
      smpte_offset_negative_button.set_name ("OptionEditorToggleButton");

      smpte_offset_negative_button.unset_flags (Gtk::CAN_FOCUS);

      Label *smpte_offset_label = manage (new Label (_("SMPTE Offset")));
      smpte_offset_label->set_name("OptionsLabel");
      
      hbox = manage (new HBox);
      hbox->set_border_width (5);
      hbox->set_spacing (10);
      hbox->pack_start (*smpte_offset_label, false, false);
      hbox->pack_start (smpte_offset_clock, false, false);
      hbox->pack_start (smpte_offset_negative_button, false, false);

      sync_packer.pack_start (*hbox, false, false);
      sync_packer.pack_start (synced_timecode_button, false, false);

      smpte_offset_negative_button.signal_clicked().connect (mem_fun(*this, &OptionEditor::smpte_offset_negative_clicked));
      synced_timecode_button.signal_toggled().connect (mem_fun(*this, &OptionEditor::synced_timecode_toggled));
}

void
OptionEditor::smpte_offset_negative_clicked ()
{
      if (session) {
            session->set_smpte_offset_negative (smpte_offset_negative_button.get_active());
      }
}

void
OptionEditor::synced_timecode_toggled ()
{
      bool x;

      if ((x = synced_timecode_button.get_active()) != Config->get_timecode_source_is_synced()) {
            Config->set_timecode_source_is_synced (x);
            Config->save_state();
      }
}

void
OptionEditor::smpte_offset_chosen()
{
      if (session) {
            nframes_t frames = smpte_offset_clock.current_duration();
            session->set_smpte_offset (frames);
      }
}


void
OptionEditor::setup_midi_options ()
{
      HBox* hbox;
      Label* label;

      midi_port_table.set_row_spacings (6);
      midi_port_table.set_col_spacings (10);

      redisplay_midi_ports ();

      mmc_receive_device_id_adjustment.set_value (Config->get_mmc_receive_device_id());
      mmc_send_device_id_adjustment.set_value (Config->get_mmc_send_device_id());

      mmc_receive_device_id_adjustment.signal_value_changed().connect (mem_fun (*this, &OptionEditor::mmc_receive_device_id_adjusted));
      mmc_send_device_id_adjustment.signal_value_changed().connect (mem_fun (*this, &OptionEditor::mmc_send_device_id_adjusted));

      hbox = manage (new HBox);
      hbox->set_border_width (6);
      hbox->pack_start (midi_port_table, true, false);

      midi_packer.pack_start (*hbox, false, false);
      midi_packer.pack_start (add_midi_port_button, false, false);

      hbox = manage (new HBox);
      hbox->set_border_width (6);
      hbox->set_spacing (6);
      label = (manage (new Label (_("Inbound MMC Device ID")))); 
      hbox->pack_start (mmc_receive_device_id_spinner, false, false);
      hbox->pack_start (*label, false, false);
      midi_packer.pack_start (*hbox, false, false); 

      mmc_receive_device_id_spinner.set_value(Config->get_mmc_receive_device_id ());

      hbox = manage (new HBox);
      hbox->set_border_width (6);
      hbox->set_spacing (6);
      label = (manage (new Label (_("Outbound MMC Device ID")))); 
      hbox->pack_start (mmc_send_device_id_spinner, false, false);
      hbox->pack_start (*label, false, false);
      midi_packer.pack_start (*hbox, false, false);

      mmc_send_device_id_spinner.set_value(Config->get_mmc_send_device_id ());

      hbox = manage (new HBox);
      hbox->set_border_width (6);
      hbox->set_spacing (6);
      label = (manage (new Label (_("Startup program change")))); 
      hbox->pack_start (initial_program_change_spinner, false, false);
      hbox->pack_start (*label, false, false);
      midi_packer.pack_start (*hbox, false, false);

      initial_program_change_spinner.set_value (Config->get_initial_program_change());
      initial_program_change_adjustment.signal_value_changed().connect (mem_fun (*this, &OptionEditor::initial_program_change_adjusted));

      add_midi_port_button.signal_clicked().connect (mem_fun (*this, &OptionEditor::add_midi_port));
}

void
OptionEditor::initial_program_change_adjusted ()
{
      Config->set_initial_program_change (((int32_t) floor (initial_program_change_adjustment.get_value())) & 0x7f);
}

void
OptionEditor::redisplay_midi_ports ()
{
      MIDI::Manager::PortMap::const_iterator i;
      const MIDI::Manager::PortMap& ports = MIDI::Manager::instance()->get_midi_ports();
      int n;

      /* remove all existing widgets */

      // XXX broken in gtkmm 2.10
      // midi_port_table.clear ();

      for (vector<Widget*>::iterator w = midi_port_table_widgets.begin(); w != midi_port_table_widgets.end(); ++w) {
            midi_port_table.remove (**w);
      }

      midi_port_table_widgets.clear ();

      midi_port_table.resize (ports.size() + 4, 11);

      Gtk::Label* label;

      label = (manage (new Label (_("Port")))); 
      label->show ();
      midi_port_table_widgets.push_back (label);
      midi_port_table.attach (*label, 0, 1, 0, 1);
      label = (manage (new Label (_("Offline")))); 
      label->show ();
      midi_port_table_widgets.push_back (label);
      midi_port_table.attach (*label, 1, 2, 0, 1);
      label = (manage (new Label (_("Trace\nInput")))); 
      label->show ();
      midi_port_table_widgets.push_back (label);
      midi_port_table.attach (*label, 2, 3, 0, 1);
      label = (manage (new Label (_("Trace\nOutput")))); 
      label->show ();
      midi_port_table_widgets.push_back (label);
      midi_port_table.attach (*label, 3, 4, 0, 1);
      label = (manage (new Label (_("MTC")))); 
      label->show ();
      midi_port_table_widgets.push_back (label);
      midi_port_table.attach (*label, 4, 5, 0, 1);
      label = (manage (new Label (_("MMC")))); 
      label->show ();
      midi_port_table_widgets.push_back (label);
      midi_port_table.attach (*label, 6, 7, 0, 1);
      label = (manage (new Label (_("MIDI Parameter\nControl")))); 
      label->show ();
      midi_port_table_widgets.push_back (label);
      midi_port_table.attach (*label, 8, 9, 0, 1);

      Gtk::HSeparator* hsep = (manage (new HSeparator())); 
      hsep->show ();
      midi_port_table_widgets.push_back (hsep);
      midi_port_table.attach (*hsep, 0, 9, 1, 2);
      Gtk::VSeparator* vsep = (manage (new VSeparator())); 
      vsep->show ();
      midi_port_table_widgets.push_back (vsep);
      midi_port_table.attach (*vsep, 5, 6, 0, 8);
      vsep = (manage (new VSeparator())); 
      vsep->show ();
      midi_port_table_widgets.push_back (vsep);
      midi_port_table.attach (*vsep, 7, 8, 0, 8);
      
      for (n = 0, i = ports.begin(); i != ports.end(); ++n, ++i) {

            ToggleButton* tb;
            RadioButton* rb;
            Button* bb;

            /* the remove button. create early so we can pass it to various callbacks */
            
            bb = manage (new Button (Stock::REMOVE));
            bb->set_name ("OptionEditorToggleButton");
            bb->show ();
            midi_port_table_widgets.push_back (bb);
            midi_port_table.attach (*bb, 9, 10, n+2, n+3, FILL|EXPAND, FILL);
            bb->signal_clicked().connect (bind (mem_fun(*this, &OptionEditor::remove_midi_port), i->second));
            bb->set_sensitive (port_removable (i->second));

            label = (manage (new Label (i->first))); 
            label->show ();
            midi_port_table_widgets.push_back (label);
            midi_port_table.attach (*label, 0, 1, n+2, n+3,FILL|EXPAND, FILL );
            
            tb = manage (new ToggleButton (_("online")));
            tb->set_name ("OptionEditorToggleButton");

            /* remember, we have to handle the i18n case where the relative
               lengths of the strings in language N is different than in english.
            */

            if (strlen (_("offline")) > strlen (_("online"))) {
                  set_size_request_to_display_given_text (*tb, _("offline"), 15, 12);
            } else {
                  set_size_request_to_display_given_text (*tb, _("online"), 15, 12);
            }

            if (i->second->input()) {
                  tb->set_active (!i->second->input()->offline());
                  tb->signal_toggled().connect (bind (mem_fun(*this, &OptionEditor::port_online_toggled), i->second, tb));
                  i->second->input()->OfflineStatusChanged.connect (bind (mem_fun(*this, &OptionEditor::map_port_online), (*i).second, tb));
            }
            tb->show ();
            midi_port_table_widgets.push_back (tb);
            midi_port_table.attach (*tb, 1, 2, n+2, n+3, FILL|EXPAND, FILL);

            tb = manage (new ToggleButton ());
            tb->set_name ("OptionEditorToggleButton");
            tb->signal_toggled().connect (bind (mem_fun(*this, &OptionEditor::port_trace_in_toggled), (*i).second, tb));
            tb->set_size_request (10, 10);
            tb->show ();
            midi_port_table_widgets.push_back (tb);
            midi_port_table.attach (*tb, 2, 3, n+2, n+3, FILL|EXPAND, FILL);

            tb = manage (new ToggleButton ());
            tb->set_name ("OptionEditorToggleButton");
            tb->signal_toggled().connect (bind (mem_fun(*this, &OptionEditor::port_trace_out_toggled), (*i).second, tb));
            tb->set_size_request (10, 10);
            tb->show ();
            midi_port_table_widgets.push_back (tb);
            midi_port_table.attach (*tb, 3, 4, n+2, n+3, FILL|EXPAND, FILL);

            rb = manage (new RadioButton ());
            rb->set_name ("OptionEditorToggleButton");
            if (n == 0) {
                  mtc_button_group = rb->get_group();
            } else {
                  rb->set_group (mtc_button_group);

            }
            rb->show ();
            midi_port_table_widgets.push_back (rb);
            midi_port_table.attach (*rb, 4, 5, n+2, n+3, FILL|EXPAND, FILL);
            rb->signal_toggled().connect (bind (mem_fun(*this, &OptionEditor::mtc_port_chosen), (*i).second, rb, bb));

            if (session && i->second == session->mtc_port()) {
                  rb->set_active (true);
            }
            
            rb = manage (new RadioButton ());
            rb->set_name ("OptionEditorToggleButton");
            if (n == 0) {
                  mmc_button_group = rb->get_group();
            } else {
                  rb->set_group (mmc_button_group);
            }
            rb->show ();
            midi_port_table_widgets.push_back (rb);
            midi_port_table.attach (*rb, 6, 7, n+2, n+3, FILL|EXPAND, FILL);
            rb->signal_toggled().connect (bind (mem_fun(*this, &OptionEditor::mmc_port_chosen), (*i).second, rb, bb));

            if (session && i->second == session->mmc_port()) {
                  rb->set_active (true);
            }

            rb = manage (new RadioButton ());
            rb->set_name ("OptionEditorToggleButton");
            if (n == 0) {
                  midi_button_group = rb->get_group();
            } else {
                  rb->set_group (midi_button_group);
            }
            rb->show ();
            midi_port_table_widgets.push_back (rb);
            midi_port_table.attach (*rb, 8, 9, n+2, n+3, FILL|EXPAND, FILL);
            rb->signal_toggled().connect (bind (mem_fun(*this, &OptionEditor::midi_port_chosen), (*i).second, rb, bb));

            if (session && i->second == session->midi_port()) {
                  rb->set_active (true);
            }

      }

      midi_port_table.show();
}

void
OptionEditor::remove_midi_port (MIDI::Port* port)
{
      MIDI::Manager::instance()->remove_port (port);
      redisplay_midi_ports ();
}

void
OptionEditor::add_midi_port ()
{
      MidiPortDialog dialog;

      dialog.set_position (WIN_POS_MOUSE);
      dialog.set_transient_for (*this);

      dialog.show ();

      int ret = dialog.run ();

      switch (ret) {
      case RESPONSE_ACCEPT:
            break;
      default:
            return;
            break;
      }

      Glib::ustring mode = dialog.port_mode_combo.get_active_text();
      std::string smod;

      if (mode == _("input")) {
            smod = X_("input");
      } else if (mode == (_("output"))) {
            smod = X_("output");
      } else {
            smod = "duplex";
      }


      XMLNode node (X_("MIDI-port"));

      node.add_property ("tag", dialog.port_name.get_text());
      node.add_property ("device", X_("ardour")); // XXX this can't be right for all types
      node.add_property ("type", MIDI::PortFactory::default_port_type());
      node.add_property ("mode", smod);

      if (MIDI::Manager::instance()->add_port (node) != 0) {
            redisplay_midi_ports ();
      }
}

bool
OptionEditor::port_removable (MIDI::Port *port)
{
      if (!session) {
            return true;
      }

      if (port == session->mtc_port() ||
          port == session->mmc_port() ||
          port == session->midi_port()) {
            return false;
      }
      return true;
}

void
OptionEditor::mtc_port_chosen (MIDI::Port *port, Gtk::RadioButton* rb, Gtk::Button* bb) 
{
      if (session) {
            if (rb->get_active()) {
                  session->set_mtc_port (port->name());
                  Config->set_mtc_port_name (port->name());
            } else {
                  session->set_mtc_port ("");
            }
            bb->set_sensitive (port_removable (port));
      }
}

void
OptionEditor::mmc_port_chosen (MIDI::Port* port, Gtk::RadioButton* rb, Gtk::Button* bb)
{
      if (session) {
            if (rb->get_active()) {
                  session->set_mmc_port (port->name());
                  Config->set_mtc_port_name (port->name());
            } else {
                  session->set_mmc_port ("");
            }
            bb->set_sensitive (port_removable (port));
      }
}

void
OptionEditor::midi_port_chosen (MIDI::Port* port, Gtk::RadioButton* rb, Gtk::Button* bb)
{
      if (session) {
            if (rb->get_active()) {
                  session->set_midi_port (port->name());
                  Config->set_midi_port_name (port->name());
            } else {
                  session->set_midi_port ("");
            }
            bb->set_sensitive (port_removable (port));
      }
}

void
OptionEditor::port_online_toggled (MIDI::Port* port, ToggleButton* tb)
{
      bool wanted = tb->get_active();

      if (port->input()) {
            if (wanted != port->input()->offline()) {
                  port->input()->set_offline (wanted);
            } 
      }
}

void
OptionEditor::map_port_online (MIDI::Port* port, ToggleButton* tb)
{
      bool bstate = tb->get_active ();
      
      if (port->input()) {
            if (bstate != port->input()->offline()) {
                  if (port->input()->offline()) {
                        tb->set_label (_("offline"));
                        tb->set_active (false);
                  } else {
                        tb->set_label (_("online"));
                        tb->set_active (true);
                  }
            }
      }
}

void
OptionEditor::mmc_receive_device_id_adjusted ()
{
      uint8_t id = (uint8_t) mmc_receive_device_id_spinner.get_value();
      Config->set_mmc_receive_device_id (id);
}

void
OptionEditor::mmc_send_device_id_adjusted ()
{
      uint8_t id = (uint8_t) mmc_send_device_id_spinner.get_value();
      Config->set_mmc_send_device_id (id);
}

void
OptionEditor::port_trace_in_toggled (MIDI::Port* port, ToggleButton* tb)
{
      bool trace = tb->get_active();

      if (port->input()) {
            if (port->input()->tracing() != trace) {
                  port->input()->trace (trace, &cerr, string (port->name()) + string (" input: "));
            }
      }
}

void
OptionEditor::port_trace_out_toggled (MIDI::Port* port, ToggleButton* tb)
{
      bool trace = tb->get_active();

      if (port->output()) {
            if (port->output()->tracing() != trace) {
                  port->output()->trace (trace, &cerr, string (port->name()) + string (" output: "));
            }
      }
}

void
OptionEditor::save ()
{
      /* XXX a bit odd that we save the entire session state here */

      ui.save_state ("");
}

gint
OptionEditor::wm_close (GdkEventAny *ev)
{
      save ();
      hide ();
      return TRUE;
}

void
OptionEditor::raid_path_changed ()
{
      if (session) {
            Config->set_raid_path (session_raid_entry.get_text());
      }
}

void
OptionEditor::click_browse_clicked ()
{
      SoundFileChooser sfdb (*this, _("Choose Click"), session);
      
      sfdb.show_all ();
      sfdb.present ();

      int result = sfdb.run ();
 
      if (result == Gtk::RESPONSE_OK) {
            click_chosen(sfdb.get_filename());
      }
}

void
OptionEditor::click_chosen (const string & path)
{
      click_path_entry.set_text (path);
      click_sound_changed ();
}

void
OptionEditor::click_emphasis_browse_clicked ()
{
      SoundFileChooser sfdb (*this, _("Choose Click Emphasis"), session);

      sfdb.show_all ();
      sfdb.present ();

      int result = sfdb.run ();

      if (result == Gtk::RESPONSE_OK) {
            click_emphasis_chosen (sfdb.get_filename());
      }
}

void
OptionEditor::click_emphasis_chosen (const string & path)
{     
      click_emphasis_path_entry.set_text (path);
      click_emphasis_sound_changed ();
}

void
OptionEditor::click_sound_changed ()
{
      if (session) {
            string path = click_path_entry.get_text();

            if (path == Config->get_click_sound()) {
                  return;
            }

            strip_whitespace_edges (path);

            if (path == _("internal")) {
                  Config->set_click_sound ("");
            } else {
                  Config->set_click_sound (path);
            }
      }
}

void
OptionEditor::click_emphasis_sound_changed ()
{
      if (session) {
            string path = click_emphasis_path_entry.get_text();

            if (path == Config->get_click_emphasis_sound()) {
                  return;
            }

            strip_whitespace_edges (path);

            if (path == _("internal")) {
                  Config->set_click_emphasis_sound ("");
            } else {
                  Config->set_click_emphasis_sound (path);
            }
      }
}

void
OptionEditor::clear_click_editor ()
{
      if (click_io_selector) {
            click_hpacker.remove (*click_io_selector);
            click_hpacker.remove (*click_gpm);
            delete click_io_selector;
            delete click_gpm;
            click_io_selector = 0;
            click_gpm = 0;
      }
}

void
OptionEditor::setup_click_editor ()
{
      Label* label;

      if (first_click_setup) {
            
            click_path_entry.set_name ("OptionsEntry");
            click_emphasis_path_entry.set_name ("OptionsEntry");
            
            click_path_entry.signal_activate().connect (mem_fun(*this, &OptionEditor::click_sound_changed));
            click_emphasis_path_entry.signal_activate().connect (mem_fun(*this, &OptionEditor::click_emphasis_sound_changed));
            
            click_path_entry.signal_focus_out_event().connect (bind (mem_fun(*this, &OptionEditor::focus_out_event_handler), &OptionEditor::click_sound_changed));
            click_emphasis_path_entry.signal_focus_out_event().connect (bind (mem_fun(*this, &OptionEditor::focus_out_event_handler), &OptionEditor::click_emphasis_sound_changed));
            
            click_browse_button.set_name ("EditorGTKButton");
            click_emphasis_browse_button.set_name ("EditorGTKButton");

            click_browse_button.signal_clicked().connect (mem_fun(*this, &OptionEditor::click_browse_clicked));
            click_emphasis_browse_button.signal_clicked().connect (mem_fun(*this, &OptionEditor::click_emphasis_browse_clicked));

            click_packer.set_border_width (12);
            click_packer.set_spacing (5);

            click_table.set_col_spacings (10);
            
            label = manage(new Label(_("Click audio file")));
            label->set_name ("OptionsLabel");
            click_table.attach (*label, 0, 1, 0, 1, FILL|EXPAND, FILL);
            click_table.attach (click_path_entry, 1, 2, 0, 1, Gtk::FILL|Gtk::EXPAND, FILL);
            click_table.attach (click_browse_button, 2, 3, 0, 1, FILL|EXPAND, FILL);
            
            label = manage(new Label(_("Click emphasis audiofile")));
            label->set_name ("OptionsLabel");
            click_table.attach (*label, 0, 1, 1, 2, FILL|EXPAND, FILL);
            click_table.attach (click_emphasis_path_entry, 1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, FILL);
            click_table.attach (click_emphasis_browse_button, 2, 3, 1, 2, FILL|EXPAND, FILL);

            click_packer.pack_start (click_table, false, false);
            click_packer.pack_start (click_hpacker, false, false);
      

            click_hpacker.set_spacing (10);

            first_click_setup = false;
      }

      click_path_entry.set_sensitive (true);
      click_emphasis_path_entry.set_sensitive (true);

      click_io_selector = new IOSelector (*session, session->click_io(), false);
      click_gpm = new GainMeter (*session);
      click_gpm->set_io (session->click_io());

      click_hpacker.pack_start (*click_io_selector, false, false);
      click_hpacker.pack_start (*click_gpm, false, false);

      click_packer.show_all ();
}

void
OptionEditor::clear_auditioner_editor ()
{
      if (auditioner_io_selector) {
            audition_hpacker.remove (*auditioner_io_selector);
            audition_hpacker.remove (*auditioner_gpm);
            delete auditioner_io_selector;
            delete auditioner_gpm;
            auditioner_io_selector = 0;
            auditioner_gpm = 0;
      }
}

void
OptionEditor::setup_auditioner_editor ()
{
      audition_packer.set_border_width (12);
      audition_packer.set_spacing (5);
      audition_hpacker.set_spacing (10);

      audition_label.set_name ("OptionEditorAuditionerLabel");
      audition_label.set_text (_("The auditioner is a dedicated mixer strip used\n"
                           "for listening to specific regions outside the context\n"
                           "of the overall mix. It can be connected just like any\n"
                           "other mixer strip."));
      
      audition_packer.pack_start (audition_label, false, false, 10);
      audition_packer.pack_start (audition_hpacker, false, false);
}

void
OptionEditor::connect_audition_editor ()
{
      auditioner_io_selector = new IOSelector (*session, session->the_auditioner(), false);
      auditioner_gpm = new GainMeter (*session);
      auditioner_gpm->set_io (session->the_auditioner());

      audition_hpacker.pack_start (*auditioner_io_selector, false, false);
      audition_hpacker.pack_start (*auditioner_gpm, false, false);

      auditioner_io_selector->show_all ();
      auditioner_gpm->show_all ();
}

bool
OptionEditor::focus_out_event_handler (GdkEventFocus* ev, void (OptionEditor::*pmf)()) 
{
      (this->*pmf)();
      return false;
}

static const struct {
    const char *name;
    guint   modifier;
} modifiers[] = {

#ifdef GTKOSX 

      /* Command = Meta
         Option/Alt = Mod1
      */

      { "Shift", GDK_SHIFT_MASK },
      { "Command", GDK_META_MASK },
      { "Control", GDK_CONTROL_MASK },
      { "Option", GDK_MOD1_MASK },
      { "Command-Shift", GDK_MOD1_MASK|GDK_SHIFT_MASK },
      { "Command-Option", GDK_MOD1_MASK|GDK_MOD5_MASK },
      { "Shift-Option", GDK_SHIFT_MASK|GDK_MOD5_MASK },
      { "Shift-Command-Option", GDK_MOD5_MASK|GDK_SHIFT_MASK|GDK_MOD1_MASK },

#else
      { "Shift", GDK_SHIFT_MASK },
      { "Control", GDK_CONTROL_MASK },
      { "Alt (Mod1)", GDK_MOD1_MASK },
      { "Control-Shift", GDK_CONTROL_MASK|GDK_SHIFT_MASK },
      { "Control-Alt", GDK_CONTROL_MASK|GDK_MOD1_MASK },
      { "Shift-Alt", GDK_SHIFT_MASK|GDK_MOD1_MASK },
      { "Control-Shift-Alt", GDK_CONTROL_MASK|GDK_SHIFT_MASK|GDK_MOD1_MASK },
      { "Mod2", GDK_MOD2_MASK },
      { "Mod3", GDK_MOD3_MASK },
      { "Mod4", GDK_MOD4_MASK },
      { "Mod5", GDK_MOD5_MASK },
#endif
      { 0, 0 }
};

void
OptionEditor::setup_keyboard_options ()
{
      vector<string> dumb;
      Label* label;

      keyboard_mouse_table.set_border_width (12);
      keyboard_mouse_table.set_row_spacings (5);
      keyboard_mouse_table.set_col_spacings (5);

      /* internationalize and prepare for use with combos */

      for (int i = 0; modifiers[i].name; ++i) {
            dumb.push_back (_(modifiers[i].name));
      }

      set_popdown_strings (edit_modifier_combo, dumb);
      edit_modifier_combo.signal_changed().connect (mem_fun(*this, &OptionEditor::edit_modifier_chosen));

      for (int x = 0; modifiers[x].name; ++x) {
            if (modifiers[x].modifier == Keyboard::edit_modifier ()) {
                  edit_modifier_combo.set_active_text (_(modifiers[x].name));
                  break;
            }
      }

      label = manage (new Label (_("Edit using")));
      label->set_name ("OptionsLabel");
      label->set_alignment (1.0, 0.5);
            
      keyboard_mouse_table.attach (*label, 0, 1, 0, 1, Gtk::FILL|Gtk::EXPAND, FILL);
      keyboard_mouse_table.attach (edit_modifier_combo, 1, 2, 0, 1, Gtk::FILL|Gtk::EXPAND, FILL);

      label = manage (new Label (_("+ button")));
      label->set_name ("OptionsLabel");
      
      keyboard_mouse_table.attach (*label, 3, 4, 0, 1, Gtk::FILL|Gtk::EXPAND, FILL);
      keyboard_mouse_table.attach (edit_button_spin, 4, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, FILL);

      edit_button_spin.set_name ("OptionsEntry");
      edit_button_adjustment.set_value (Keyboard::edit_button());
      edit_button_adjustment.signal_value_changed().connect (mem_fun(*this, &OptionEditor::edit_button_changed));

      set_popdown_strings (delete_modifier_combo, dumb);
      delete_modifier_combo.signal_changed().connect (mem_fun(*this, &OptionEditor::delete_modifier_chosen));

      for (int x = 0; modifiers[x].name; ++x) {
            if (modifiers[x].modifier == Keyboard::delete_modifier ()) {
                  delete_modifier_combo.set_active_text (_(modifiers[x].name));
                  break;
            }
      }

      label = manage (new Label (_("Delete using")));
      label->set_name ("OptionsLabel");
      label->set_alignment (1.0, 0.5);
            
      keyboard_mouse_table.attach (*label, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, FILL);
      keyboard_mouse_table.attach (delete_modifier_combo, 1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, FILL);

      label = manage (new Label (_("+ button")));
      label->set_name ("OptionsLabel");

      keyboard_mouse_table.attach (*label, 3, 4, 1, 2, Gtk::FILL|Gtk::EXPAND, FILL);
      keyboard_mouse_table.attach (delete_button_spin, 4, 5, 1, 2, Gtk::FILL|Gtk::EXPAND, FILL);

      delete_button_spin.set_name ("OptionsEntry");
      delete_button_adjustment.set_value (Keyboard::delete_button());
      delete_button_adjustment.signal_value_changed().connect (mem_fun(*this, &OptionEditor::delete_button_changed));

      set_popdown_strings (snap_modifier_combo, dumb);
      snap_modifier_combo.signal_changed().connect (mem_fun(*this, &OptionEditor::snap_modifier_chosen));
      
      for (int x = 0; modifiers[x].name; ++x) {
            if (modifiers[x].modifier == (guint) Keyboard::snap_modifier ()) {
                  snap_modifier_combo.set_active_text (_(modifiers[x].name));
                  break;
            }
      }

      label = manage (new Label (_("Ignore snap using")));
      label->set_name ("OptionsLabel");
      label->set_alignment (1.0, 0.5);
      
      keyboard_mouse_table.attach (*label, 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND, FILL);
      keyboard_mouse_table.attach (snap_modifier_combo, 1, 2, 2, 3, Gtk::FILL|Gtk::EXPAND, FILL);

      vector<string> strs;
      
      for (std::map<std::string,std::string>::iterator bf = Keyboard::binding_files.begin(); bf != Keyboard::binding_files.end(); ++bf) {
            strs.push_back (bf->first);
      }
      
      set_popdown_strings (keyboard_layout_selector, strs);
      keyboard_layout_selector.set_active_text (Keyboard::current_binding_name());
      keyboard_layout_selector.signal_changed().connect (mem_fun (*this, &OptionEditor::bindings_changed));

      label = manage (new Label (_("Keyboard layout")));
      label->set_name ("OptionsLabel");
      label->set_alignment (1.0, 0.5);

      keyboard_mouse_table.attach (*label, 0, 1, 3, 4, Gtk::FILL|Gtk::EXPAND, FILL);
      keyboard_mouse_table.attach (keyboard_layout_selector, 1, 2, 3, 4, Gtk::FILL|Gtk::EXPAND, FILL);
}

void
OptionEditor::bindings_changed ()
{
      string txt;
      
      txt = keyboard_layout_selector.get_active_text();

      for (std::map<string,string>::iterator i = Keyboard::binding_files.begin(); i != Keyboard::binding_files.end(); ++i) {
            if (txt == i->first) {
                  if (Keyboard::load_keybindings (i->second)) {
                        Keyboard::save_keybindings ();
                  }
            }
      }
}

void
OptionEditor::edit_modifier_chosen ()
{
      string txt;
      
      txt = edit_modifier_combo.get_active_text();

      for (int i = 0; modifiers[i].name; ++i) {
            if (txt == _(modifiers[i].name)) {
                  Keyboard::set_edit_modifier (modifiers[i].modifier);
                  break;
            }
      }
}

void
OptionEditor::delete_modifier_chosen ()
{
      string txt;
      
      txt = delete_modifier_combo.get_active_text();

      for (int i = 0; modifiers[i].name; ++i) {
            if (txt == _(modifiers[i].name)) {
                  Keyboard::set_delete_modifier (modifiers[i].modifier);
                  break;
            }
      }
}

void
OptionEditor::snap_modifier_chosen ()
{
      string txt;
      
      txt = snap_modifier_combo.get_active_text();

      for (int i = 0; modifiers[i].name; ++i) {
            if (txt == _(modifiers[i].name)) {
                  Keyboard::set_snap_modifier (modifiers[i].modifier);
                  break;
            }
      }
}

void
OptionEditor::delete_button_changed ()
{
      Keyboard::set_delete_button ((guint) delete_button_adjustment.get_value());
}

void
OptionEditor::edit_button_changed ()
{
      Keyboard::set_edit_button ((guint) edit_button_adjustment.get_value());
}

void
OptionEditor::parameter_changed (const char* parameter_name)
{
      ENSURE_GUI_THREAD (bind (mem_fun (*this, &OptionEditor::parameter_changed), parameter_name));

#define PARAM_IS(x) (!strcmp (parameter_name, (x)))
      
      if (PARAM_IS ("timecode-source-is-synced")) {
            synced_timecode_button.set_active (Config->get_timecode_source_is_synced());
      } else if (PARAM_IS ("history-depth")) {
            int32_t depth = Config->get_history_depth();
            
            history_depth.set_value (depth);
            history_depth_spinner.set_sensitive (depth != 0);
            limit_history_button.set_active (depth != 0);

      } else if (PARAM_IS ("saved-history-depth")) {

            saved_history_depth.set_value (Config->get_saved_history_depth());

      } else if (PARAM_IS ("save-history")) {

            bool x = Config->get_save_history();

            save_history_button.set_active (x);
            saved_history_depth_spinner.set_sensitive (x);
      } else if (PARAM_IS ("font-scale")) {
            reset_dpi();
      }
}

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