libs/surfaces/faderport8/callbacks.cc

   1 /* Faderport 8 Control Surface
   2  * This is the button "View" of the MVC surface inteface,
   3  * see actions.cc for the "Controller"
   4  *
   5  * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20  */
  21
  22 #include "ardour/plugin_insert.h"
  23 #include "ardour/session.h"
  24 #include "ardour/session_configuration.h"
  25
  26 #include "gtkmm2ext/actions.h"
  27
  28 #include "faderport8.h"
  29
  30 #include "pbd/i18n.h"
  31
  32 using namespace ARDOUR;
  33 using namespace ArdourSurface::FP_NAMESPACE;
  34 using namespace ArdourSurface::FP_NAMESPACE::FP8Types;
  35
  36 void
  37 FaderPort8::connect_session_signals ()
  38 {
  39          session->RouteAdded.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_stripable_added_or_removed, this), this);
  40          PresentationInfo::Change.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_pi_property_changed, this, _1), this);
  41
  42         Config->ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_parameter_changed, this, _1), this);
  43         session->config.ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_parameter_changed, this, _1), this);
  44
  45         session->TransportStateChange.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_transport_state_changed, this), this);
  46         session->TransportLooped.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_loop_state_changed, this), this);
  47         session->RecordStateChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_record_state_changed, this), this);
  48
  49         session->DirtyChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_session_dirty_changed, this), this);
  50         session->SoloChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_solo_changed, this), this);
  51         session->MuteChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_mute_changed, this), this);
  52         session->history().Changed.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_history_changed, this), this);
  53 }
  54
  55 void
  56 FaderPort8::send_session_state ()
  57 {
  58         notify_transport_state_changed ();
  59         notify_record_state_changed ();
  60         notify_session_dirty_changed ();
  61         notify_history_changed ();
  62         notify_solo_changed ();
  63         notify_mute_changed ();
  64         notify_parameter_changed ("clicking");
  65
  66         notify_route_state_changed (); // XXX (stip specific, see below)
  67 }
  68
  69 // TODO: AutomationState display of plugin & send automation
  70 // TODO: link/lock control AS.
  71 void
  72 FaderPort8::notify_route_state_changed ()
  73 {
  74         boost::shared_ptr<Stripable> s = first_selected_stripable();
  75         boost::shared_ptr<AutomationControl> ac;
  76         if (s) {
  77                 switch (_ctrls.fader_mode ()) {
  78                         case ModeTrack:
  79                                 ac = s->gain_control();
  80                                 break;
  81                         case ModePan:
  82                                 ac = s->pan_azimuth_control();
  83                                 break;
  84                         default:
  85                                 break;
  86                 }
  87         }
  88         if (!s || !ac) {
  89                 _ctrls.button (FP8Controls::BtnALatch).set_active (false);
  90                 _ctrls.button (FP8Controls::BtnATrim).set_active (false);
  91                 _ctrls.button (FP8Controls::BtnAOff).set_active (false);
  92                 _ctrls.button (FP8Controls::BtnATouch).set_active (false);
  93                 _ctrls.button (FP8Controls::BtnARead).set_active (false);
  94                 _ctrls.button (FP8Controls::BtnAWrite).set_active (false);
  95 #ifdef FADERPORT2
  96                 _ctrls.button (FP8Controls::BtnArm).set_active (false);
  97 #endif
  98                 return;
  99         }
 100
 101         ARDOUR::AutoState as = ac->automation_state();
 102         _ctrls.button (FP8Controls::BtnAOff).set_active (as == Off);
 103         _ctrls.button (FP8Controls::BtnATouch).set_active (as == Touch);
 104         _ctrls.button (FP8Controls::BtnARead).set_active (as == Play);
 105         _ctrls.button (FP8Controls::BtnAWrite).set_active (as == Write);
 106         _ctrls.button (FP8Controls::BtnALatch).set_active (as == Latch);
 107
 108 #ifdef FADERPORT2
 109         /* handle the Faderport's track-arm button */
 110         ac = s->rec_enable_control ();
 111         _ctrls.button (FP8Controls::BtnArm).set_active (ac ? ac->get_value() : false);
 112 #endif
 113 }
 114
 115 void
 116 FaderPort8::notify_parameter_changed (std::string param)
 117 {
 118         if (param == "clicking") {
 119                 _ctrls.button (FP8Controls::BtnClick).set_active (Config->get_clicking ());
 120         }
 121 }
 122
 123 void
 124 FaderPort8::notify_transport_state_changed ()
 125 {
 126         if (session->transport_rolling ()) {
 127                 _ctrls.button (FP8Controls::BtnPlay).set_active (true);
 128                 _ctrls.button (FP8Controls::BtnStop).set_active (false);
 129         } else {
 130                 _ctrls.button (FP8Controls::BtnPlay).set_active (false);
 131                 _ctrls.button (FP8Controls::BtnStop).set_active (true);
 132         }
 133
 134         /* set rewind/fastforward lights */
 135         const float ts = session->transport_speed ();
 136         FP8ButtonInterface& b_rew = _ctrls.button (FP8Controls::BtnRewind);
 137         FP8ButtonInterface& b_ffw = _ctrls.button (FP8Controls::BtnFastForward);
 138
 139         const bool rew = (ts < 0.f);
 140         const bool ffw = (ts > 0.f && ts != 1.f);
 141         if (b_rew.is_active() != rew) {
 142                 b_rew.set_active (rew);
 143         }
 144         if (b_ffw.is_active() != ffw) {
 145                 b_ffw.set_active (ffw);
 146         }
 147
 148         notify_loop_state_changed ();
 149 }
 150
 151 void
 152 FaderPort8::notify_record_state_changed ()
 153 {
 154         switch (session->record_status ()) {
 155                 case Session::Disabled:
 156                         _ctrls.button (FP8Controls::BtnRecord).set_active (0);
 157                         _ctrls.button (FP8Controls::BtnRecord).set_blinking (false);
 158                         break;
 159                 case Session::Enabled:
 160                         _ctrls.button (FP8Controls::BtnRecord).set_active (true);
 161                         _ctrls.button (FP8Controls::BtnRecord).set_blinking (true);
 162                         break;
 163                 case Session::Recording:
 164                         _ctrls.button (FP8Controls::BtnRecord).set_active (true);
 165                         _ctrls.button (FP8Controls::BtnRecord).set_blinking (false);
 166                         break;
 167         }
 168 }
 169
 170 void
 171 FaderPort8::notify_loop_state_changed ()
 172 {
 173         bool looping = false;
 174         Location* looploc = session->locations ()->auto_loop_location ();
 175         if (looploc && session->get_play_loop ()) {
 176                 looping = true;
 177         }
 178         _ctrls.button (FP8Controls::BtnLoop).set_active (looping);
 179 }
 180
 181 void
 182 FaderPort8::notify_session_dirty_changed ()
 183 {
 184         const bool is_dirty = session->dirty ();
 185         _ctrls.button (FP8Controls::BtnSave).set_active (is_dirty);
 186         _ctrls.button (FP8Controls::BtnSave).set_color (is_dirty ? 0xff0000ff : 0x00ff00ff);
 187 }
 188
 189 void
 190 FaderPort8::notify_history_changed ()
 191 {
 192         _ctrls.button (FP8Controls::BtnRedo).set_active (session->redo_depth() > 0);
 193         _ctrls.button (FP8Controls::BtnUndo).set_active (session->undo_depth() > 0);
 194 }
 195
 196 void
 197 FaderPort8::notify_solo_changed ()
 198 {
 199         bool soloing = session->soloing() || session->listening();
 200 #ifdef MIXBUS
 201         soloing |= session->mixbus_soloed();
 202 #endif
 203         _ctrls.button (FP8Controls::BtnSoloClear).set_active (soloing);
 204 #ifdef FP8_MUTESOLO_UNDO
 205         if (soloing) {
 206                 _solo_state.clear ();
 207         }
 208 #endif
 209 }
 210
 211 void
 212 FaderPort8::notify_mute_changed ()
 213 {
 214         bool muted = session->muted ();
 215 #ifdef FP8_MUTESOLO_UNDO
 216         if (muted) {
 217                 _mute_state.clear ();
 218         }
 219 #endif
 220         _ctrls.button (FP8Controls::BtnMuteClear).set_active (muted);
 221 }
 222
 223 void
 224 FaderPort8::notify_plugin_active_changed ()
 225 {
 226         boost::shared_ptr<PluginInsert> pi = _plugin_insert.lock();
 227         if (pi) {
 228                 _ctrls.button (FP8Controls::BtnBypass).set_active (true);
 229                 _ctrls.button (FP8Controls::BtnBypass).set_color (pi->enabled () ? 0x00ff00ff : 0xff0000ff);
 230         } else {
 231                 _ctrls.button (FP8Controls::BtnBypass).set_active (false);
 232                 _ctrls.button (FP8Controls::BtnBypass).set_color (0x888888ff);
 233         }
 234 }
 235
 236 void
 237 FaderPort8::nofity_focus_control (boost::weak_ptr<PBD::Controllable> c)
 238 {
 239         assert (_link_enabled && !_link_locked);
 240         // TODO consider subscribing to c's DropReferences
 241         // (in case the control goes away while it has focus, update the BtnColor)
 242         _link_control = c;
 243         if (c.expired () || 0 == boost::dynamic_pointer_cast<AutomationControl> (_link_control.lock ())) {
 244                 _ctrls.button (FP8Controls::BtnLink).set_color (0xff8800ff);
 245                 _ctrls.button (FP8Controls::BtnLock).set_color (0xff0000ff);
 246         } else {
 247                 _ctrls.button (FP8Controls::BtnLink).set_color (0x88ff00ff);
 248                 _ctrls.button (FP8Controls::BtnLock).set_color (0x00ff88ff);
 249         }
 250 }