gtk2_ardour/midi_time_axis.cc

   1 /*
   2     Copyright (C) 2000 Paul Davis
   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
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #include <cstdlib>
  20 #include <cmath>
  21
  22 #include <algorithm>
  23 #include <string>
  24 #include <vector>
  25
  26 #include <sigc++/bind.h>
  27
  28 #include <pbd/error.h>
  29 #include <pbd/stl_delete.h>
  30 #include <pbd/whitespace.h>
  31
  32 #include <gtkmm2ext/gtk_ui.h>
  33 #include <gtkmm2ext/selector.h>
  34 #include <gtkmm2ext/stop_signal.h>
  35 #include <gtkmm2ext/bindable_button.h>
  36 #include <gtkmm2ext/utils.h>
  37
  38 #include <ardour/midi_playlist.h>
  39 #include <ardour/midi_diskstream.h>
  40 #include <ardour/processor.h>
  41 #include <ardour/ladspa_plugin.h>
  42 #include <ardour/location.h>
  43 #include <ardour/playlist.h>
  44 #include <ardour/session.h>
  45 #include <ardour/session_playlist.h>
  46 #include <ardour/utils.h>
  47
  48 #include "ardour_ui.h"
  49 #include "midi_time_axis.h"
  50 #include "automation_time_axis.h"
  51 #include "automation_midi_cc_line.h"
  52 #include "add_midi_cc_track_dialog.h"
  53 #include "canvas_impl.h"
  54 #include "crossfade_view.h"
  55 #include "enums.h"
  56 #include "gui_thread.h"
  57 #include "keyboard.h"
  58 #include "playlist_selector.h"
  59 #include "plugin_selector.h"
  60 #include "plugin_ui.h"
  61 #include "point_selection.h"
  62 #include "prompter.h"
  63 #include "public_editor.h"
  64 #include "processor_automation_line.h"
  65 #include "processor_automation_time_axis.h"
  66 #include "midi_controller_time_axis.h"
  67 #include "region_view.h"
  68 #include "rgb_macros.h"
  69 #include "selection.h"
  70 #include "simplerect.h"
  71 #include "midi_streamview.h"
  72 #include "utils.h"
  73
  74 #include <ardour/midi_track.h>
  75
  76 #include "i18n.h"
  77
  78 using namespace ARDOUR;
  79 using namespace PBD;
  80 using namespace Gtk;
  81 using namespace Editing;
  82
  83
  84 MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  85         : AxisView(sess), // FIXME: won't compile without this, why??
  86         RouteTimeAxisView(ed, sess, rt, canvas)
  87 {
  88         subplugin_menu.set_name ("ArdourContextMenu");
  89
  90         _view = new MidiStreamView (*this);
  91
  92         ignore_toggle = false;
  93
  94         mute_button->set_active (false);
  95         solo_button->set_active (false);
  96
  97         if (is_midi_track())
  98                 controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
  99         else // bus
 100                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
 101
 102         /* map current state of the route */
 103
 104         processors_changed ();
 105
 106         ensure_xml_node ();
 107
 108         set_state (*xml_node);
 109
 110         _route->processors_changed.connect (mem_fun(*this, &MidiTimeAxisView::processors_changed));
 111
 112         if (is_track()) {
 113
 114                 controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 115                 controls_base_selected_name = "MidiTrackControlsBaseSelected";
 116                 controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 117
 118                 /* ask for notifications of any new RegionViews */
 119                 _view->RegionViewAdded.connect (mem_fun(*this, &MidiTimeAxisView::region_view_added));
 120                 _view->attach ();
 121
 122         } /*else { // no MIDI busses yet
 123
 124                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
 125                 controls_base_selected_name = "MidiBusControlsBaseSelected";
 126                 controls_base_unselected_name = "MidiBusControlsBaseUnselected";
 127         }*/
 128 }
 129
 130 MidiTimeAxisView::~MidiTimeAxisView ()
 131 {
 132 }
 133
 134 guint32
 135 MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 136 {
 137         ensure_xml_node ();
 138         xml_node->add_property ("shown_editor", "yes");
 139
 140         return TimeAxisView::show_at (y, nth, parent);
 141 }
 142
 143 void
 144 MidiTimeAxisView::hide ()
 145 {
 146         ensure_xml_node ();
 147         xml_node->add_property ("shown_editor", "no");
 148
 149         TimeAxisView::hide ();
 150 }
 151
 152 void
 153 MidiTimeAxisView::build_automation_action_menu ()
 154 {
 155         using namespace Menu_Helpers;
 156
 157         RouteTimeAxisView::build_automation_action_menu ();
 158
 159         MenuList& automation_items = automation_action_menu->items();
 160
 161         automation_items.push_back (SeparatorElem());
 162
 163         automation_items.push_back (MenuElem (_("Controller..."),
 164                                                    mem_fun(*this, &MidiTimeAxisView::add_controller_track)));
 165 }
 166
 167 /** Prompt for a controller with a dialog and add an automation track for it
 168  */
 169 void
 170 MidiTimeAxisView::add_controller_track()
 171 {
 172         AddMidiCCTrackDialog dialog;
 173         dialog.set_transient_for(editor);
 174         int response = dialog.run();
 175         if (response == Gtk::RESPONSE_ACCEPT) {
 176                 ParamID param = dialog.parameter();
 177                 create_automation_child(param);
 178         }
 179 }
 180
 181 void
 182 MidiTimeAxisView::create_automation_child (ParamID param)
 183 {
 184         if (param.type() == MidiCCAutomation) {
 185
 186                 /* FIXME: this all probably leaks */
 187
 188                 boost::shared_ptr<AutomationControl> c =_route->control(param);
 189
 190                 if (!c) {
 191                         boost::shared_ptr<AutomationList> al(new ARDOUR::AutomationList(param, 0, 127, 64));
 192                         c = boost::shared_ptr<AutomationControl>(new AutomationControl(_session, al));
 193                         _route->add_control(c);
 194                 }
 195
 196                 MidiControllerTimeAxisView* track = new MidiControllerTimeAxisView (_session,
 197                                 _route,
 198                                 editor,
 199                                 *this,
 200                                 parent_canvas,
 201                                 _route->describe_parameter(param),
 202                                 c);
 203
 204                 AutomationMidiCCLine* line = new AutomationMidiCCLine (param.to_string(),
 205                                 *track,
 206                                 *track->canvas_display,
 207                                 c->list());
 208
 209                 line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 210
 211                 track->add_line(*line);
 212
 213                 add_automation_child(param, track);
 214
 215         } else {
 216                 error << "MidiTimeAxisView: unknown automation child " << param.to_string() << endmsg;
 217         }
 218 }
 219
 220 void
 221 MidiTimeAxisView::route_active_changed ()
 222 {
 223         RouteUI::route_active_changed ();
 224
 225         if (is_track()) {
 226                 if (_route->active()) {
 227                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 228                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
 229                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 230                 } else {
 231                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
 232                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
 233                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
 234                 }
 235         } else {
 236
 237                 throw; // wha?
 238
 239                 if (_route->active()) {
 240                         controls_ebox.set_name ("BusControlsBaseUnselected");
 241                         controls_base_selected_name = "BusControlsBaseSelected";
 242                         controls_base_unselected_name = "BusControlsBaseUnselected";
 243                 } else {
 244                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
 245                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 246                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 247                 }
 248         }
 249 }
 250