Logo Search packages:      
Sourcecode: ardour version File versions  Download package

mixer_ui.cc

/*
    Copyright (C) 2000-2004 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.

    $Id: mixer_ui.cc,v 1.106 2005/08/23 01:14:09 taybin Exp $
*/

#include <algorithm>
#include <sigc++/bind.h>

#include <pbd/lockmonitor.h>
#include <gtkmmext/gtk_ui.h>
#include <gtkmmext/utils.h>
#include <gtkmmext/stop_signal.h>

#include <ardour/audioengine.h>
#include <ardour/session.h>
#include <ardour/session_route.h>
#include <ardour/diskstream.h>
#include <ardour/plugin_manager.h>

#include "mixer_ui.h"
#include "mixer_strip.h"
#include "plugin_selector.h"
#include "ardour_ui.h"
#include "check_mark.h"
#include "prompter.h"
#include "utils.h"
#include "gui_thread.h"

#include "i18n.h"

using namespace ARDOUR;
using namespace Gtk;
using namespace Gtkmmext;
using namespace SigC;

static const gchar* track_display_titles[] = { 
      N_("Strips"),
      0
};
static const gchar* snapshot_display_titles[] = { 
      N_("Snapshots"),
      0
};

static const gchar* group_list_titles[] = { 
      N_("***"), 
      N_("Bar"),
      0
};

GdkPixmap* Mixer_UI::check_pixmap = 0;
GdkBitmap* Mixer_UI::check_mask = 0;
GdkPixmap* Mixer_UI::empty_pixmap = 0;
GdkBitmap* Mixer_UI::empty_mask = 0;


Mixer_UI::Mixer_UI (AudioEngine& eng)
      : Gtk::Window (GTK_WINDOW_TOPLEVEL),
        KeyboardTarget (*this, "mixer"),
        engine (eng),
        track_display_list (internationalize (track_display_titles)),
        group_list (internationalize (group_list_titles)),
        snapshot_display (internationalize (snapshot_display_titles))
      
{
      _strip_width = Wide;
      track_menu = 0;

      check_pixmap = gdk_pixmap_colormap_create_from_xpm_d (NULL, 
                  gtk_widget_get_colormap (GTK_WIDGET(group_list.gtkobj())),
                  &check_mask, NULL, (gchar **) check_xpm);
      empty_pixmap = gdk_pixmap_colormap_create_from_xpm_d (NULL, 
                  gtk_widget_get_colormap (GTK_WIDGET(group_list.gtkobj())),
                  &empty_mask, NULL, (gchar **) empty_xpm);

      XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
      set_state (*node);

      scroller_base.add_events (GDK_BUTTON_PRESS_MASK|GDK_BUTTON_RELEASE_MASK);
      scroller_base.set_name ("MixerWindow");
      scroller_base.button_release_event.connect (slot (*this, &Mixer_UI::strip_scroller_button_release));
      // add as last item of strip packer
      strip_packer.pack_end (scroller_base, true, true);

      scroller.add_with_viewport (strip_packer);
      scroller.set_policy (GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);

      track_display_list.column_titles_active();
      track_display_list.set_name ("MixerTrackDisplayList");
      track_display_list.set_shadow_type (GTK_SHADOW_IN);
      track_display_list.set_selection_mode (GTK_SELECTION_MULTIPLE);
      track_display_list.set_reorderable (true);
      track_display_list.set_usize (75, -1);
      track_display_scroller.add (track_display_list);
      track_display_scroller.set_policy (GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);

      snapshot_display.column_titles_active();
      snapshot_display.set_name ("MixerSnapshotDisplayList");
      snapshot_display.set_shadow_type (GTK_SHADOW_IN);
      snapshot_display.set_selection_mode (GTK_SELECTION_SINGLE);
      snapshot_display.set_reorderable (true);
      snapshot_display.set_usize (75, -1);
      snapshot_display_scroller.add (snapshot_display);
      snapshot_display_scroller.set_policy (GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);

      group_list_button_label.set_text (_("Mix Groups"));
      group_list_button_label.set_name ("MixerGroupTitleButton");
      group_list_button.add (group_list_button_label);
      group_list_button.set_name ("MixerGroupTitleButton");

      group_list.column_titles_hide();
      group_list.set_name ("MixerGroupList");
      group_list.set_shadow_type (GTK_SHADOW_IN);
      group_list.set_selection_mode (GTK_SELECTION_MULTIPLE);
      group_list.set_reorderable (false);
      group_list.set_usize (75, -1);
      group_list.set_column_auto_resize (0, true);
      group_list_scroller.add (group_list);
      group_list_scroller.set_policy (GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
      
      group_list_vbox.pack_start (group_list_button, false, false);
      group_list_vbox.pack_start (group_list_scroller, true, true);

      list<string> stupid_list;

      stupid_list.push_back ("");
      stupid_list.push_back (_("-all-"));

      group_list.rows().push_back (stupid_list);
      group_list.rows().back().set_data (0);
      group_list.rows().back().select();
      group_list.cell(0,0).set_pixmap (check_pixmap);

      track_display_frame.set_name("BaseFrame");
      track_display_frame.set_shadow_type (GTK_SHADOW_IN);
      track_display_frame.add(track_display_scroller);

      group_list_frame.set_name ("BaseFrame");
      group_list_frame.set_shadow_type (GTK_SHADOW_IN);
      group_list_frame.add (group_list_vbox);

      rhs_pane1.add1 (track_display_frame);
      rhs_pane1.add2 (rhs_pane2);

      rhs_pane2.add1 (group_list_frame);
      rhs_pane2.add2 (snapshot_display_scroller);

      list_vpacker.pack_start (rhs_pane1, true, true);

      global_hpacker.pack_start (scroller, true, true);
      global_hpacker.pack_start (out_packer, false, false);

      list_hpane.add1(list_vpacker);
      list_hpane.add2(global_hpacker);

      rhs_pane1.size_allocate.connect_after (bind (slot (*this, &Mixer_UI::pane_allocation_handler), 
                                          static_cast<Gtk::Paned*> (&rhs_pane1)));
      rhs_pane2.size_allocate.connect_after (bind (slot (*this, &Mixer_UI::pane_allocation_handler), 
                                          static_cast<Gtk::Paned*> (&rhs_pane2)));
      list_hpane.size_allocate.connect_after (bind (slot (*this, &Mixer_UI::pane_allocation_handler), 
                                          static_cast<Gtk::Paned*> (&list_hpane)));


      rhs_pane1.set_data ("collapse-direction", (gpointer) 0);
      rhs_pane2.set_data ("collapse-direction", (gpointer) 0);
      list_hpane.set_data ("collapse-direction", (gpointer) 1);

      rhs_pane1.button_release_event.connect (bind (slot (pane_handler), static_cast<Paned*>(&rhs_pane1)));
      rhs_pane2.button_release_event.connect (bind (slot (pane_handler), static_cast<Paned*>(&rhs_pane2)));
      list_hpane.button_release_event.connect (bind (slot (pane_handler), static_cast<Paned*>(&list_hpane)));
      
      global_vpacker.pack_start (list_hpane, true, true);

      add (global_vpacker);
      set_name ("MixerWindow");
      set_title (_("ardour: mixer"));
      set_wmclass (_("ardour_mixer"), "Ardour");

      delete_event.connect (bind (slot (just_hide_it), 
                                        static_cast<Gtk::Window *>(this)));
      add_events (GDK_KEY_PRESS_MASK|GDK_KEY_RELEASE_MASK);

      snapshot_display.select_row.connect (slot (*this, &Mixer_UI::snapshot_display_selected));

      track_display_list.select_row.connect (slot (*this, &Mixer_UI::track_display_selected));
      track_display_list.unselect_row.connect (slot (*this, &Mixer_UI::track_display_unselected));
      track_display_list.row_move.connect (slot (*this, &Mixer_UI::queue_track_display_reordered));
      track_display_list.click_column.connect (slot (*this, &Mixer_UI::track_column_click));

      group_list_button.clicked.connect (slot (*this, &Mixer_UI::group_list_button_clicked));
      group_list.button_press_event.connect (slot (*this, &Mixer_UI::group_list_button_press_event));
      group_list.select_row.connect (slot (*this, &Mixer_UI::group_selected));
      group_list.unselect_row.connect (slot (*this, &Mixer_UI::group_unselected));

      _plugin_selector = new PluginSelector (PluginManager::the_manager());
      _plugin_selector->delete_event.connect (bind (slot (just_hide_it), 
                                         static_cast<Window *> (_plugin_selector)));

      configure_event.connect (slot (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));

      _selection.RoutesChanged.connect (slot (*this, &Mixer_UI::follow_strip_selection));
}

Mixer_UI::~Mixer_UI ()
{
}

void
Mixer_UI::ensure_float (Window& win)
{
      win.set_transient_for (*this);
}

void
Mixer_UI::show_window ()
{
      show_all ();

      /* now reset each strips width so the right widgets are shown */
      MixerStrip* ms;
      CList_Helpers::RowList::iterator i;

      for (i = track_display_list.rows().begin(); i != track_display_list.rows().end(); ++i) {
            ms = (MixerStrip *) i->get_data ();
            ms->set_width (ms->get_width());
      }
}

void
Mixer_UI::add_strip (Route* route)
{
      ENSURE_GUI_THREAD(bind (slot (*this, &Mixer_UI::add_strip), route));
      
      MixerStrip* strip;
      
      if (route->hidden()) {
            return;
      }

      strip = new MixerStrip (*this, *session, *route);
      strips.push_back (strip);

      strip->set_width (_strip_width);
      show_strip (strip);

      const gchar* rowdata[1];
      rowdata[0] = route->name().c_str();
      
      track_display_list.freeze ();
      track_display_list.rows().push_back (rowdata);
      track_display_list.rows().back().set_data (strip);
      track_display_list.thaw ();

      if (strip->marked_for_display() || strip->packed()) {
            track_display_list.rows().back().select ();
      }
      
      route->name_changed.connect (bind (slot (*this, &Mixer_UI::strip_name_changed), strip));
      strip->GoingAway.connect (bind (slot (*this, &Mixer_UI::remove_strip), strip));

      strip->button_release_event.connect (bind (slot (*this, &Mixer_UI::strip_button_release_event), strip));

//    if (width() < gdk_screen_width()) {
//          set_usize (width() + (_strip_width == Wide ? 75 : 50), height());
//    }
}

void
Mixer_UI::remove_strip (MixerStrip* strip)
{
      ENSURE_GUI_THREAD(bind (slot (*this, &Mixer_UI::remove_strip), strip));
      
      CList_Helpers::RowList::iterator ri;
      list<MixerStrip *>::iterator i;

      if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
            strips.erase (i);
      }

      for (ri = track_display_list.rows().begin(); ri != track_display_list.rows().end(); ++ri) {
            if ((MixerStrip *) ri->get_data () == strip) {
                  track_display_list.rows().erase (ri);
                  break;
            }
      }
}

void
Mixer_UI::follow_strip_selection ()
{
      for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
            (*i)->set_selected (_selection.selected (&(*i)->route()));
      }
}

gint
Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
{
      if (ev->button == 1) {

            /* this allows the user to click on the strip to terminate comment
               editing. XXX it needs improving so that we don't select the strip
               at the same time.
            */
            
            ARDOUR_UI::instance()->allow_focus (false);
            
            if (_selection.selected (&strip->route())) {
                  _selection.remove (&strip->route());
            } else {
                  if (Keyboard::modifier_state_equals (ev->state, Keyboard::Shift)) {
                        _selection.add (&strip->route());
                  } else {
                        _selection.set (&strip->route());
                  }
            }
      }

      return TRUE;
}

void
Mixer_UI::connect_to_session (Session* sess)
{
      session = sess;

      string wintitle = _("ardour: mixer: ");
      wintitle += session->name();
      set_title (wintitle);

      track_display_list.freeze ();
      track_display_list.clear ();

      session->foreach_route (this, &Mixer_UI::add_strip);
      
      track_display_list.thaw ();

      session->going_away.connect (slot (*this, &Mixer_UI::disconnect_from_session));
      session->RouteAdded.connect (slot (*this, &Mixer_UI::add_strip));
      session->mix_group_added.connect (slot (*this, &Mixer_UI::add_mix_group));

      session->foreach_mix_group(this, &Mixer_UI::add_mix_group);
      
      session->StateSaved.connect (slot (*this, &Mixer_UI::session_state_saved));
      redisplay_snapshots ();
      
      _plugin_selector->set_session (session);

      start_updating ();
}

void
Mixer_UI::disconnect_from_session ()
{
      ENSURE_GUI_THREAD(slot (*this, &Mixer_UI::disconnect_from_session));
      
      group_list.clear ();
      set_title (_("ardour: mixer"));
      stop_updating ();
      hide_all_strips (false);
}

void
Mixer_UI::hide_all_strips (bool with_select)
{
      MixerStrip* ms;
      CList_Helpers::RowList::iterator i;

      track_display_list.freeze ();
      
      for (i = track_display_list.rows().begin(); i != track_display_list.rows().end(); ++i) {
            ms = (MixerStrip *) i->get_data ();

            if (with_select) {
                  i->unselect ();
            } else {
                  hide_strip (ms);
            }
      }

      track_display_list.thaw ();
}

void
Mixer_UI::unselect_all_strips ()
{
      hide_all_strips (false);
}

void
Mixer_UI::select_all_strips ()
{
      CList_Helpers::RowList::iterator i;

      for (i = track_display_list.rows().begin(); i != track_display_list.rows().end(); ++i) {
            i->select ();
      }
}

void
Mixer_UI::select_all_audiotrack_strips ()
{
      MixerStrip* ms;
      CList_Helpers::RowList::iterator i;

      track_display_list.freeze ();
      
      for (i = track_display_list.rows().begin(); i != track_display_list.rows().end(); ++i) {
            ms = (MixerStrip *) i->get_data ();

            if (ms->is_audio_track()) {
                  i->select ();
            }
      }
      
      track_display_list.thaw ();   
}

void
Mixer_UI::unselect_all_audiotrack_strips ()
{
      MixerStrip* ms;
      CList_Helpers::RowList::iterator i;

      track_display_list.freeze ();
      
      for (i = track_display_list.rows().begin(); i != track_display_list.rows().end(); ++i) {
            ms = (MixerStrip *) i->get_data ();

            if (ms->is_audio_track()) {
                  i->unselect ();
            }
      }
      
      track_display_list.thaw ();   
}

void
Mixer_UI::select_all_audiobus_strips ()
{
      MixerStrip* ms;
      CList_Helpers::RowList::iterator i;

      track_display_list.freeze ();
      
      for (i = track_display_list.rows().begin(); i != track_display_list.rows().end(); ++i) {
            ms = (MixerStrip *) i->get_data ();

            if (!ms->is_audio_track()) {
                  i->select ();
            }
      }
      
      track_display_list.thaw ();
}

void
Mixer_UI::unselect_all_audiobus_strips ()
{
      MixerStrip* ms;
      CList_Helpers::RowList::iterator i;

      track_display_list.freeze ();
      
      for (i = track_display_list.rows().begin(); i != track_display_list.rows().end(); ++i) {
            ms = (MixerStrip *) i->get_data ();

            if (!ms->is_audio_track()) {
                  i->unselect ();
            }
      }
      
      track_display_list.thaw ();
}

void
Mixer_UI::show_strip (MixerStrip* ms)
{
      if (!ms->packed()) {
            
            if (ms->route().master() || ms->route().control()) {
                  out_packer.pack_start (*ms, false, false);
            } else {
                  strip_packer.pack_start (*ms, false, false);
            }
            ms->set_packed (true);
            ms->show ();

      }
}

void
Mixer_UI::hide_strip (MixerStrip* ms)
{
      if (ms->packed()) {
            if (ms->route().master() || ms->route().control()) {
                  out_packer.remove (*ms);
            } else {
                  strip_packer.remove (*ms);
            }
            ms->set_packed (false);
      }
}

gint
Mixer_UI::start_updating ()
{
      screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect (slot (*this, &Mixer_UI::update_strips));
      fast_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (slot (*this, &Mixer_UI::fast_update_strips));
      return 0;
}

gint
Mixer_UI::stop_updating ()
{
      screen_update_connection.disconnect();
      fast_screen_update_connection.disconnect();
      return 0;
}

void
Mixer_UI::update_strips ()
{
      if (is_mapped () && session) {
            for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
                  (*i)->update ();
            }
      }
}

void
Mixer_UI::fast_update_strips ()
{
      if (is_mapped () && session) {
            for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
                  (*i)->fast_update ();
            }
      }
}

void
Mixer_UI::snapshot_display_selected (gint row, gint col, GdkEvent* ev)
{
      string* snap_name;
      
      if ((snap_name = (string*) snapshot_display.get_row_data(row)) != 0){
            if (session->snap_name() == *snap_name){
                  return;
            }
            string path = session->path();
            ARDOUR_UI::instance()->load_session(path, *snap_name);
      }
}

void
Mixer_UI::track_display_selected (gint row, gint col, GdkEvent* ev)
{
      MixerStrip* strip;

      if ((strip = (MixerStrip *) track_display_list.get_row_data (row)) != 0) {
            strip->set_marked_for_display  (true);
            show_strip (strip);

            /* just redraw the whole thing so that we get the right order
               when we reinsert the strip.
            */
            
            track_display_reordered ();
      }
}

void
Mixer_UI::track_display_unselected (gint row, gint col, GdkEvent* ev)
{
      MixerStrip* strip;

      if ((strip = (MixerStrip *) track_display_list.get_row_data (row)) != 0) {
            strip->set_marked_for_display (false);
            hide_strip (strip);
      }
}

void
Mixer_UI::unselect_strip_in_display (MixerStrip *strip)
{
      CList_Helpers::RowIterator i;

      if ((i = track_display_list.rows().find_data (strip)) != track_display_list.rows().end()) {
            (*i).unselect ();
      }
}

void
Mixer_UI::select_strip_in_display (MixerStrip *strip)
{
      CList_Helpers::RowIterator i;

      if ((i = track_display_list.rows().find_data (strip)) != track_display_list.rows().end()) {
            (*i).select ();
      }
}

void
Mixer_UI::queue_track_display_reordered (gint arg1, gint arg2)
{
      /* the problem here is that we are called *before* the
         list has been reordered. so just queue up
         the actual re-drawer to happen once the re-ordering
         is complete.
      */

      Main::idle.connect (slot (*this, &Mixer_UI::track_display_reordered));
}

int
Mixer_UI::track_display_reordered ()
{
      CList_Helpers::RowList::iterator i;
      long order;

      // hide_all_strips (false);

      for (order = 0, i  = track_display_list.rows().begin(); i != track_display_list.rows().end(); ++i, ++order) {
            MixerStrip* strip = (MixerStrip *) (*i)->get_data ();
            if (strip->marked_for_display()) {
                  strip->route().set_order_key (N_("signal"), order);
                  strip_packer.reorder_child (*strip, -1); /* put at end */
            }
      }

      return FALSE;
}

void
Mixer_UI::track_column_click (gint col)
{
      if (track_menu == 0) {
            build_track_menu ();
      }

      track_menu->popup (0, 0);
}

void
Mixer_UI::build_track_menu ()
{
      using namespace Menu_Helpers;
      using namespace Gtk;

      track_menu = new Menu;
      track_menu->set_name ("ArdourContextMenu");
      MenuList& items = track_menu->items();
      track_menu->set_name ("ArdourContextMenu");
      
      items.push_back (MenuElem (_("Show All"), slot (*this, &Mixer_UI::select_all_strips)));
      items.push_back (MenuElem (_("Hide All"), slot (*this, &Mixer_UI::unselect_all_strips)));
      items.push_back (MenuElem (_("Show All AudioTrack MixerStrips"), slot (*this, &Mixer_UI::select_all_audiotrack_strips)));
      items.push_back (MenuElem (_("Hide All AudioTrack MixerStrips"), slot (*this, &Mixer_UI::unselect_all_audiotrack_strips)));
      items.push_back (MenuElem (_("Show All AudioBus MixerStrips"), slot (*this, &Mixer_UI::select_all_audiobus_strips)));
      items.push_back (MenuElem (_("Hide All AudioBus MixerStrips"), slot (*this, &Mixer_UI::unselect_all_audiobus_strips)));

}

void
Mixer_UI::strip_name_changed (void* src, MixerStrip* mx)
{
      ENSURE_GUI_THREAD(bind (slot (*this, &Mixer_UI::strip_name_changed), src, mx));
      
      CList_Helpers::RowList::iterator i;

      if ((i = track_display_list.rows().find_data (mx)) == track_display_list.rows().end()) {
            error << _("track display list item for renamed strip not found!") << endmsg;
            return;
      }

      track_display_list.cell ((*i)->get_row_num(), 0).set_text (mx->route().name());
}

void
Mixer_UI::new_mix_group ()
{
      ArdourPrompter prompter;
      string result;

      prompter.set_prompt (_("Name for new mix group"));
      prompter.done.connect (Main::quit.slot());

      prompter.show_all ();
      
      Main::run ();
      
      if (prompter.status != Gtkmmext::Prompter::entered) {
            return;
      }
      
      prompter.get_result (result);

      if (result.length()) {
            session->add_mix_group (result);
      }
}

void
Mixer_UI::group_list_button_clicked ()
{
      if (session) {
            new_mix_group ();
      }
}

gint
Mixer_UI::group_list_button_press_event (GdkEventButton* ev)
{
      gint row, col;
      RouteGroup* group;

      if (group_list.get_selection_info ((int)ev->x, (int)ev->y, &row, &col) == 0) {
            return FALSE;
      }

      switch (col) {
      case 1:
            if (Keyboard::is_edit_event (ev)) {
                  // RouteGroup* group = (RouteGroup *) group_list.row(row).get_data ();

                  // edit_mix_group (group);

                  return stop_signal (group_list, "button_press_event");

            } else {
                  /* allow regular select to occur */
                  return FALSE;
            }

      case 0:
            stop_signal (group_list, "button_press_event");
            if ((group = (RouteGroup *) group_list.row(row).get_data ()) != 0) {
                  group->set_active (!group->is_active (), this);
            }
            break;
      }
            
      return TRUE;
}

void
Mixer_UI::group_selected (gint row, gint col, GdkEvent* ev)
{
      RouteGroup* group = (RouteGroup *) group_list.row(row).get_data ();

      if (group) {
            group->set_hidden (false, this);
      } else {
            /* the master group */

            for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
                  show_strip (*i);
            }

            track_display_reordered ();
      }
}

void
Mixer_UI::group_unselected (gint row, gint col, GdkEvent* ev)

{
      RouteGroup* group = (RouteGroup *) group_list.row(row).get_data ();

      if (group) {
            group->set_hidden (true, this);
      } else {
            /* the master group */

            for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
                  hide_strip (*i);
            }
      }
}

void
Mixer_UI::group_flags_changed (void* src, RouteGroup* group)
{
      ENSURE_GUI_THREAD(bind (slot (*this, &Mixer_UI::group_flags_changed), src, group));
      
      if (src != this) {
            // select row
      }

      CList_Helpers::RowIterator ri = group_list.rows().find_data (group);

      for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
            if ((*i)->route().mix_group() == group) {
                  if (group->is_hidden ()) {
                        unselect_strip_in_display(*i);
                  } else {
                        select_strip_in_display(*i);
                        (*ri)->select();
                  }
            }
      }

      if (group->is_active()) {
            group_list.cell (ri->get_row_num(),0).set_pixmap (check_pixmap, check_mask);
      } else {
            group_list.cell (ri->get_row_num(),0).set_pixmap (empty_pixmap, empty_mask);
      }
}

void
Mixer_UI::add_mix_group (RouteGroup* group)

{
      ENSURE_GUI_THREAD(bind (slot (*this, &Mixer_UI::add_mix_group), group));
      
      list<string> names;

      names.push_back ("");
      names.push_back (group->name());

      group_list.rows().push_back (names);
      group_list.rows().back().set_data (group);
      
      /* update display to reflect group flags */

      group_flags_changed (0, group);

      group->FlagsChanged.connect (bind (slot (*this, &Mixer_UI::group_flags_changed), group));
}

void
Mixer_UI::redisplay_snapshots ()
{
      if (session == 0) {
            return;
      }

      vector<string*>* states;
      if ((states = session->possible_states()) == 0) {
            return;
      }

      snapshot_display.freeze();
      snapshot_display.rows().clear ();
      
      for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
            string statename = *(*i);
            const char *rowtext[1];

            rowtext[0] = statename.c_str();

            snapshot_display.rows().push_back (rowtext);
            snapshot_display.rows().back().set_data (new string (statename), deferred_delete<string>);

            delete *i;
      }

      delete states;
      snapshot_display.thaw();
}

void
Mixer_UI::session_state_saved (string snap_name)
{
      ENSURE_GUI_THREAD (bind (slot (*this, &Mixer_UI::session_state_saved), snap_name));
      redisplay_snapshots ();
}

gint
Mixer_UI::strip_scroller_button_release (GdkEventButton* ev)
{
      using namespace Menu_Helpers;

      if (Keyboard::is_context_menu_event (ev)) {
            ARDOUR_UI::instance()->add_route();
            return TRUE;
      }

      return FALSE;
}

void
Mixer_UI::set_strip_width (Width w)
{
      _strip_width = w;

      for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
            (*i)->set_width (w);
      }
}


int
Mixer_UI::set_state (const XMLNode& node)
{
      const XMLProperty* prop;
      XMLNode* geometry;
      int x, y, width, height, xoff, yoff;
      
      if ((geometry = find_named_node (node, "geometry")) == 0) {

            width = default_width;
            height = default_height;
            x = 1;
            y = 1;
            xoff = 0;
            yoff = 21;

      } else {

            width = atoi(geometry->property("x_size")->value().c_str());
            height = atoi(geometry->property("y_size")->value().c_str());
            x = atoi(geometry->property("x_pos")->value().c_str());
            y = atoi(geometry->property("y_pos")->value().c_str());
            xoff = atoi(geometry->property("x_off")->value().c_str());
            yoff = atoi(geometry->property("y_off")->value().c_str());
      }
            
      set_default_size(width, height);
      set_uposition(x, y-yoff);

      if ((prop = node.property ("narrow-strips"))) {
            if (prop->value() == "yes") {
                  set_strip_width (Narrow);
            } else {
                  set_strip_width (Wide);
            }
      }

      return 0;
}

XMLNode&
Mixer_UI::get_state (void)
{
      XMLNode* node = new XMLNode ("Mixer");

      if (is_realized()) {
            Gdk_Window win = get_window();
            
            int x, y, xoff, yoff, width, height;
            win.get_root_origin(x, y);
            win.get_position(xoff, yoff);
            win.get_size(width, height);

            XMLNode* geometry = new XMLNode ("geometry");
            char buf[32];
            snprintf(buf, sizeof(buf), "%d", width);
            geometry->add_property(X_("x_size"), string(buf));
            snprintf(buf, sizeof(buf), "%d", height);
            geometry->add_property(X_("y_size"), string(buf));
            snprintf(buf, sizeof(buf), "%d", x);
            geometry->add_property(X_("x_pos"), string(buf));
            snprintf(buf, sizeof(buf), "%d", y);
            geometry->add_property(X_("y_pos"), string(buf));
            snprintf(buf, sizeof(buf), "%d", xoff);
            geometry->add_property(X_("x_off"), string(buf));
            snprintf(buf, sizeof(buf), "%d", yoff);
            geometry->add_property(X_("y_off"), string(buf));

            snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&rhs_pane1)->gtkobj()));
            geometry->add_property(X_("mixer_rhs_pane1_pos"), string(buf));
            snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&rhs_pane2)->gtkobj()));
            geometry->add_property(X_("mixer_rhs_pane2_pos"), string(buf));
            snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&list_hpane)->gtkobj()));
            geometry->add_property(X_("mixer_list_hpane_pos"), string(buf));

            node->add_child_nocopy (*geometry);
      }

      node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");

      return *node;
}


void 
Mixer_UI::pane_allocation_handler (GtkAllocation *alloc, Gtk::Paned* which)
{
      int pos;
      XMLProperty* prop = 0;
      char buf[32];
      XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
      XMLNode* geometry;
      int width, height;
      static int32_t done[3] = { 0, 0, 0 };

      if ((geometry = find_named_node (*node, "geometry")) == 0) {
            width = default_width;
            height = default_height;
      } else {
            width = atoi(geometry->property("x_size")->value());
            height = atoi(geometry->property("y_size")->value());
      }

      if (which == static_cast<Gtk::Paned*> (&rhs_pane1)) {

            if (done[0]) {
                  return;
            }

            if (!geometry || (prop = geometry->property("mixer_rhs_pane1_pos")) == 0) {
                  pos = height / 3;
                  snprintf (buf, sizeof(buf), "%d", pos);
            } else {
                  pos = atoi (prop->value());
            }

            if ((done[0] = GTK_WIDGET(rhs_pane1.gtkobj())->allocation.height > pos)) {
                  rhs_pane1.set_position (pos);
            }

      } else if (which == static_cast<Gtk::Paned*> (&rhs_pane2)) {

            if (done[1]) {
                  return;
            }

            if (!geometry || (prop = geometry->property("mixer_rhs_pane2_pos")) == 0) {
                  pos = height / 3;
                  snprintf (buf, sizeof(buf), "%d", pos);
            } else {
                  pos = atoi (prop->value());
            }

            if ((done[1] = GTK_WIDGET(rhs_pane2.gtkobj())->allocation.height > pos)) {
                  rhs_pane2.set_position (pos);
            }

      } else if (which == static_cast<Gtk::Paned*> (&list_hpane)) {

            if (done[2]) {
                  return;
            }

            if (!geometry || (prop = geometry->property("mixer_list_hpane_pos")) == 0) {
                  pos = 75;
                  snprintf (buf, sizeof(buf), "%d", pos);
            } else {
                  pos = atoi (prop->value());
            }

            if ((done[2] = GTK_WIDGET(list_hpane.gtkobj())->allocation.width > pos)) {
                  list_hpane.set_position (pos);
            }
      }
}


Generated by  Doxygen 1.6.0   Back to index