libs/surfaces/faderport8/callbacks.cc

   1 /*
   2  * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 /* Faderport 8 Control Surface
  20  * This is the button "View" of the MVC surface inteface,
  21  * see actions.cc for the "Controller"
  22  */
  23
  24 #include "ardour/plugin_insert.h"
  25 #include "ardour/session.h"
  26 #include "ardour/session_configuration.h"
  27
  28 #include "gtkmm2ext/actions.h"
  29
  30 #include "faderport8.h"
  31
  32 #include "pbd/i18n.h"
  33
  34 using namespace ARDOUR;
  35 using namespace ArdourSurface::FP_NAMESPACE;
  36 using namespace ArdourSurface::FP_NAMESPACE::FP8Types;
  37
  38 void
  39 FaderPort8::connect_session_signals ()
  40 {
  41          session->RouteAdded.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_stripable_added_or_removed, this), this);
  42          PresentationInfo::Change.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_pi_property_changed, this, _1), this);
  43
  44         Config->ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_parameter_changed, this, _1), this);
  45         session->config.ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_parameter_changed, this, _1), this);
  46
  47         session->TransportStateChange.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_transport_state_changed, this), this);
  48         session->TransportLooped.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_loop_state_changed, this), this);
  49         session->RecordStateChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_record_state_changed, this), this);
  50
  51         session->DirtyChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_session_dirty_changed, this), this);
  52         session->SoloChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_solo_changed, this), this);
  53         session->MuteChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_mute_changed, this), this);
  54         session->history().Changed.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_history_changed, this), this);
  55 }
  56
  57 void
  58 FaderPort8::send_session_state ()
  59 {
  60         notify_transport_state_changed ();
  61         notify_record_state_changed ();
  62         notify_session_dirty_changed ();
  63         notify_history_changed ();
  64         notify_solo_changed ();
  65         notify_mute_changed ();
  66         notify_parameter_changed ("clicking");
  67
  68         notify_route_state_changed (); // XXX (stip specific, see below)
  69 }
  70
  71 // TODO: AutomationState display of plugin & send automation
  72 // TODO: link/lock control AS.
  73 void
  74 FaderPort8::notify_route_state_changed ()
  75 {
  76         boost::shared_ptr<Stripable> s = first_selected_stripable();
  77         boost::shared_ptr<AutomationControl> ac;
  78         if (s) {
  79                 switch (_ctrls.fader_mode ()) {
  80                         case ModeTrack:
  81                                 ac = s->gain_control();
  82                                 break;
  83                         case ModePan:
  84                                 ac = s->pan_azimuth_control();
  85                                 break;
  86                         default:
  87                                 break;
  88                 }
  89         }
  90         if (!s || !ac) {
  91                 _ctrls.button (FP8Controls::BtnALatch).set_active (false);
  92                 _ctrls.button (FP8Controls::BtnATrim).set_active (false);
  93                 _ctrls.button (FP8Controls::BtnAOff).set_active (false);
  94                 _ctrls.button (FP8Controls::BtnATouch).set_active (false);
  95                 _ctrls.button (FP8Controls::BtnARead).set_active (false);
  96                 _ctrls.button (FP8Controls::BtnAWrite).set_active (false);
  97 #ifdef FADERPORT2
  98                 _ctrls.button (FP8Controls::BtnArm).set_active (false);
  99 #endif
 100                 return;
 101         }
 102
 103         ARDOUR::AutoState as = ac->automation_state();
 104         _ctrls.button (FP8Controls::BtnAOff).set_active (as == Off);
 105         _ctrls.button (FP8Controls::BtnATouch).set_active (as == Touch);
 106         _ctrls.button (FP8Controls::BtnARead).set_active (as == Play);
 107         _ctrls.button (FP8Controls::BtnAWrite).set_active (as == Write);
 108         _ctrls.button (FP8Controls::BtnALatch).set_active (as == Latch);
 109
 110 #ifdef FADERPORT2
 111         /* handle the Faderport's track-arm button */
 112         ac = s->rec_enable_control ();
 113         _ctrls.button (FP8Controls::BtnArm).set_active (ac ? ac->get_value() : false);
 114 #endif
 115 }
 116
 117 void
 118 FaderPort8::notify_parameter_changed (std::string param)
 119 {
 120         if (param == "clicking") {
 121                 _ctrls.button (FP8Controls::BtnClick).set_active (Config->get_clicking ());
 122         }
 123 }
 124
 125 void
 126 FaderPort8::notify_transport_state_changed ()
 127 {
 128         if (session->transport_rolling ()) {
 129                 _ctrls.button (FP8Controls::BtnPlay).set_active (true);
 130                 _ctrls.button (FP8Controls::BtnStop).set_active (false);
 131         } else {
 132                 _ctrls.button (FP8Controls::BtnPlay).set_active (false);
 133                 _ctrls.button (FP8Controls::BtnStop).set_active (true);
 134         }
 135
 136         /* set rewind/fastforward lights */
 137         const float ts = session->transport_speed ();
 138         FP8ButtonInterface& b_rew = _ctrls.button (FP8Controls::BtnRewind);
 139         FP8ButtonInterface& b_ffw = _ctrls.button (FP8Controls::BtnFastForward);
 140
 141         const bool rew = (ts < 0.f);
 142         const bool ffw = (ts > 0.f && ts != 1.f);
 143         if (b_rew.is_active() != rew) {
 144                 b_rew.set_active (rew);
 145         }
 146         if (b_ffw.is_active() != ffw) {
 147                 b_ffw.set_active (ffw);
 148         }
 149
 150         notify_loop_state_changed ();
 151 }
 152
 153 void
 154 FaderPort8::notify_record_state_changed ()
 155 {
 156         switch (session->record_status ()) {
 157                 case Session::Disabled:
 158                         _ctrls.button (FP8Controls::BtnRecord).set_active (0);
 159                         _ctrls.button (FP8Controls::BtnRecord).set_blinking (false);
 160                         break;
 161                 case Session::Enabled:
 162                         _ctrls.button (FP8Controls::BtnRecord).set_active (true);
 163                         _ctrls.button (FP8Controls::BtnRecord).set_blinking (true);
 164                         break;
 165                 case Session::Recording:
 166                         _ctrls.button (FP8Controls::BtnRecord).set_active (true);
 167                         _ctrls.button (FP8Controls::BtnRecord).set_blinking (false);
 168                         break;
 169         }
 170 }
 171
 172 void
 173 FaderPort8::notify_loop_state_changed ()
 174 {
 175         bool looping = false;
 176         Location* looploc = session->locations ()->auto_loop_location ();
 177         if (looploc && session->get_play_loop ()) {
 178                 looping = true;
 179         }
 180         _ctrls.button (FP8Controls::BtnLoop).set_active (looping);
 181 }
 182
 183 void
 184 FaderPort8::notify_session_dirty_changed ()
 185 {
 186         const bool is_dirty = session->dirty ();
 187         _ctrls.button (FP8Controls::BtnSave).set_active (is_dirty);
 188         _ctrls.button (FP8Controls::BtnSave).set_color (is_dirty ? 0xff0000ff : 0x00ff00ff);
 189 }
 190
 191 void
 192 FaderPort8::notify_history_changed ()
 193 {
 194         _ctrls.button (FP8Controls::BtnRedo).set_active (session->redo_depth() > 0);
 195         _ctrls.button (FP8Controls::BtnUndo).set_active (session->undo_depth() > 0);
 196 }
 197
 198 void
 199 FaderPort8::notify_solo_changed ()
 200 {
 201         bool soloing = session->soloing() || session->listening();
 202 #ifdef MIXBUS
 203         soloing |= session->mixbus_soloed();
 204 #endif
 205         _ctrls.button (FP8Controls::BtnSoloClear).set_active (soloing);
 206 #ifdef FP8_MUTESOLO_UNDO
 207         if (soloing) {
 208                 _solo_state.clear ();
 209         }
 210 #endif
 211 }
 212
 213 void
 214 FaderPort8::notify_mute_changed ()
 215 {
 216         bool muted = session->muted ();
 217 #ifdef FP8_MUTESOLO_UNDO
 218         if (muted) {
 219                 _mute_state.clear ();
 220         }
 221 #endif
 222         _ctrls.button (FP8Controls::BtnMuteClear).set_active (muted);
 223 }
 224
 225 void
 226 FaderPort8::notify_plugin_active_changed ()
 227 {
 228         boost::shared_ptr<PluginInsert> pi = _plugin_insert.lock();
 229         if (pi) {
 230                 _ctrls.button (FP8Controls::BtnBypass).set_active (true);
 231                 _ctrls.button (FP8Controls::BtnBypass).set_color (pi->enabled () ? 0x00ff00ff : 0xff0000ff);
 232         } else {
 233                 _ctrls.button (FP8Controls::BtnBypass).set_active (false);
 234                 _ctrls.button (FP8Controls::BtnBypass).set_color (0x888888ff);
 235         }
 236 }
 237
 238 void
 239 FaderPort8::nofity_focus_control (boost::weak_ptr<PBD::Controllable> c)
 240 {
 241         assert (_link_enabled && !_link_locked);
 242         // TODO consider subscribing to c's DropReferences
 243         // (in case the control goes away while it has focus, update the BtnColor)
 244         _link_control = c;
 245         if (c.expired () || 0 == boost::dynamic_pointer_cast<AutomationControl> (_link_control.lock ())) {
 246                 _ctrls.button (FP8Controls::BtnLink).set_color (0xff8800ff);
 247                 _ctrls.button (FP8Controls::BtnLock).set_color (0xff0000ff);
 248         } else {
 249                 _ctrls.button (FP8Controls::BtnLink).set_color (0x88ff00ff);
 250                 _ctrls.button (FP8Controls::BtnLock).set_color (0x00ff88ff);
 251         }
 252 }