Another stab at the logic for selecting regions for operations, to ensure that edit...
[ardour.git] / gtk2_ardour / midi_time_axis.cc
index a33b50ef64b3a4ec9864dcaa8726aea059e6393e..59cfe4abbd3d7e2246f8fee4ddeca4873d2cf23e 100644 (file)
 #include "pbd/memento_command.h"
 #include "pbd/stateful_diff_command.h"
 
-#include <gtkmm2ext/gtk_ui.h>
-#include <gtkmm2ext/selector.h>
-#include <gtkmm2ext/stop_signal.h>
-#include <gtkmm2ext/bindable_button.h>
-#include <gtkmm2ext/utils.h>
+#include "gtkmm2ext/gtk_ui.h"
+#include "gtkmm2ext/selector.h"
+#include "gtkmm2ext/bindable_button.h"
+#include "gtkmm2ext/utils.h"
 
+#include "ardour/file_source.h"
 #include "ardour/midi_playlist.h"
 #include "ardour/midi_diskstream.h"
 #include "ardour/midi_patch_manager.h"
@@ -80,6 +80,7 @@
 #include "region_view.h"
 #include "rgb_macros.h"
 #include "selection.h"
+#include "step_editor.h"
 #include "simplerect.h"
 #include "utils.h"
 
@@ -115,6 +116,7 @@ MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session* sess,
        , _midi_thru_item (0)
        , default_channel_menu (0)
        , controller_menu (0)
+        , _step_editor (0)
 {
        subplugin_menu.set_name ("ArdourContextMenu");
 
@@ -125,8 +127,6 @@ MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session* sess,
        mute_button->set_active (false);
        solo_button->set_active (false);
 
-       step_edit_insert_position = 0;
-
        if (is_midi_track()) {
                controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
                _note_mode = midi_track()->note_mode();
@@ -164,7 +164,12 @@ MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session* sess,
 
                /* ask for notifications of any new RegionViews */
                _view->RegionViewAdded.connect (sigc::mem_fun(*this, &MidiTimeAxisView::region_view_added));
-               _view->attach ();
+               
+               if (!_editor.have_idled()) {
+                       /* first idle will do what we need */
+               } else {
+                       first_idle ();
+               }
        }
 
        HBox* midi_controls_hbox = manage(new HBox());
@@ -218,6 +223,14 @@ MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session* sess,
        }
 }
 
+void
+MidiTimeAxisView::first_idle ()
+{
+       if (is_track ()) {
+               _view->attach ();
+       }
+}
+
 MidiTimeAxisView::~MidiTimeAxisView ()
 {
        delete _piano_roll_header;
@@ -227,9 +240,17 @@ MidiTimeAxisView::~MidiTimeAxisView ()
        _range_scroomer = 0;
 
        delete controller_menu;
+        delete _step_editor;
 }
 
-void MidiTimeAxisView::model_changed()
+void
+MidiTimeAxisView::check_step_edit ()
+{
+        _step_editor->check_step_edit ();
+}
+
+void 
+MidiTimeAxisView::model_changed()
 {
        std::list<std::string> device_modes = MIDI::Name::MidiPatchManager::instance()
                .custom_device_mode_names_by_model(_model_selector.get_active_text());
@@ -282,7 +303,7 @@ MidiTimeAxisView::set_height (uint32_t h)
        RouteTimeAxisView::set_height (h);
 
        if (height >= MIDI_CONTROLS_BOX_MIN_HEIGHT) {
-               _midi_controls_box.show();
+               _midi_controls_box.show_all ();
        } else {
                _midi_controls_box.hide();
        }
@@ -388,6 +409,7 @@ MidiTimeAxisView::build_automation_action_menu ()
                detach_menu (*controller_menu);
        }
 
+       _channel_command_menu_map.clear ();
        RouteTimeAxisView::build_automation_action_menu ();
 
        MenuList& automation_items = automation_action_menu->items();
@@ -398,15 +420,14 @@ MidiTimeAxisView::build_automation_action_menu ()
 
                automation_items.push_back (SeparatorElem());
 
-               /* these 3 MIDI "command" types are semantically more like automation than note data,
+               /* these 2 MIDI "command" types are semantically more like automation than note data,
                   but they are not MIDI controllers. We give them special status in this menu, since
                   they will not show up in the controller list and anyone who actually knows
                   something about MIDI (!) would not expect to find them there.
                */
 
-               add_channel_command_menu_item (automation_items, _("Program Change"), MidiPgmChangeAutomation, MIDI_CMD_PGM_CHANGE);
-               add_channel_command_menu_item (automation_items, _("Bender"), MidiPitchBenderAutomation, MIDI_CMD_BENDER);
-               add_channel_command_menu_item (automation_items, _("Pressure"), MidiChannelPressureAutomation, MIDI_CMD_CHANNEL_PRESSURE);
+               add_channel_command_menu_item (automation_items, _("Bender"), MidiPitchBenderAutomation, 0);
+               add_channel_command_menu_item (automation_items, _("Pressure"), MidiChannelPressureAutomation, 0);
                
                /* now all MIDI controllers. Always offer the possibility that we will rebuild the controllers menu
                   since it might need to be updated after a channel mode change or other change. Also detach it
@@ -432,10 +453,10 @@ MidiTimeAxisView::change_all_channel_tracks_visibility (bool yn, Evoral::Paramet
                if (selected_channels & (0x0001 << chn)) {
                        
                        Evoral::Parameter fully_qualified_param (param.type(), chn, param.id());
-                       RouteAutomationNode* node = automation_track (fully_qualified_param);
+                       Gtk::CheckMenuItem* menu = automation_child_menu_item (fully_qualified_param);
 
-                       if (node && node->menu_item) {
-                               node->menu_item->set_active (yn);
+                       if (menu) {
+                               menu->set_active (yn);
                        }
                }
        }
@@ -487,23 +508,18 @@ MidiTimeAxisView::add_channel_command_menu_item (Menu_Helpers::MenuList& items,
                                                                    sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
                                                                                fully_qualified_param)));
                                
-                               RouteAutomationNode* node = automation_track (fully_qualified_param);
+                               boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
                                bool visible = false;
                                
-                               if (node) {
-                                       if (node->track->marked_for_display()) {
+                               if (track) {
+                                       if (track->marked_for_display()) {
                                                visible = true;
                                        }
                                }
-                               
-                               CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&chn_items.back());
-                               if (node) {
-                                       node->menu_item = cmi;
-                               }
 
+                               CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&chn_items.back());
+                               _channel_command_menu_map[fully_qualified_param] = cmi;
                                cmi->set_active (visible);
-
-                               parameter_menu_map[fully_qualified_param] = cmi;
                        }
                }
                
@@ -523,24 +539,19 @@ MidiTimeAxisView::add_channel_command_menu_item (Menu_Helpers::MenuList& items,
                                                                sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
                                                                            fully_qualified_param)));
                                
-                               RouteAutomationNode* node = automation_track (fully_qualified_param);
+                               boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
                                bool visible = false;
                                
-                               if (node) {
-                                       if (node->track->marked_for_display()) {
+                               if (track) {
+                                       if (track->marked_for_display()) {
                                                visible = true;
                                        }
                                }
                                
                                CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&items.back());
-                               if (node) {
-                                       node->menu_item = cmi;
-                               }
-
+                               _channel_command_menu_map[fully_qualified_param] = cmi;
                                cmi->set_active (visible);
                                
-                               parameter_menu_map[fully_qualified_param] = cmi;
-
                                /* one channel only */
                                break;
                        }
@@ -580,7 +591,8 @@ MidiTimeAxisView::build_controller_menu ()
                }
        }
        
-       /* loop over all 127 MIDI controllers, in groups of 16 */
+       /* loop over all 127 MIDI controllers, in groups of 16; except don't offer
+          bank select controllers, as they are handled by the `patch' code */
 
        for (int i = 0; i < 127; i += 16) {
 
@@ -592,6 +604,10 @@ MidiTimeAxisView::build_controller_menu ()
 
                for (int ctl = i; ctl < i+16; ++ctl) {
 
+                       if (ctl == MIDI_CTL_MSB_BANK || ctl == MIDI_CTL_LSB_BANK) {
+                               continue;
+                       }
+
                        if (chn_cnt > 1) {
 
                                /* multiple channels - create a submenu, with 1 item per channel */
@@ -619,24 +635,18 @@ MidiTimeAxisView::build_controller_menu ()
                                                                                    sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
                                                                                                fully_qualified_param)));
 
-                                               RouteAutomationNode* node = automation_track (fully_qualified_param);
+                                               boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
                                                bool visible = false;
                                                
-                                               if (node) {
-                                                       if (node->track->marked_for_display()) {
+                                               if (track) {
+                                                       if (track->marked_for_display()) {
                                                                visible = true;
                                                        }
                                                }
                                                
                                                CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&chn_items.back());
-
-                                               if (node) {
-                                                       node->menu_item = cmi;
-                                               }
-
+                                               _controller_menu_map[fully_qualified_param] = cmi;
                                                cmi->set_active (visible);
-                                               
-                                               parameter_menu_map[fully_qualified_param] = cmi;
                                        }
                                }
                                
@@ -656,24 +666,19 @@ MidiTimeAxisView::build_controller_menu ()
                                                                                    sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
                                                                                                fully_qualified_param)));
                                                
-                                               RouteAutomationNode* node = automation_track (fully_qualified_param);
+                                               boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
                                                bool visible = false;
                                                
-                                               if (node) {
-                                                       if (node->track->marked_for_display()) {
+                                               if (track) {
+                                                       if (track->marked_for_display()) {
                                                                visible = true;
                                                        }
                                                }
                                                
                                                CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&ctl_items.back());
-                                               if (node) {
-                                                       node->menu_item = cmi;
-                                               }
-
+                                               _controller_menu_map[fully_qualified_param] = cmi;
                                                cmi->set_active (visible);
                                                
-
-                                               parameter_menu_map[fully_qualified_param] = cmi;
                                                /* one channel only */
                                                break;
                                        }
@@ -813,37 +818,41 @@ MidiTimeAxisView::show_existing_automation ()
        RouteTimeAxisView::show_existing_automation ();
 }
 
-/** Hide an automation track for the given parameter (pitch bend, channel pressure).
+/** Create an automation track for the given parameter (pitch bend, channel pressure).
  */
 void
 MidiTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 {
-       /* These controllers are region "automation", so we do not create
-        * an AutomationList/Line for the track */
-
        if (param.type() == NullAutomation) {
                cerr << "WARNING: Attempt to create NullAutomation child, ignoring" << endl;
                return;
        }
-
+       
        AutomationTracks::iterator existing = _automation_tracks.find (param);
        if (existing != _automation_tracks.end()) {
                return;
        }
-
-       boost::shared_ptr<AutomationControl> c = _route->get_control (param);
-
-       assert(c);
-
-       boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
-                       _route, boost::shared_ptr<ARDOUR::Automatable>(), c,
-                       _editor,
-                       *this,
-                       true,
-                       parent_canvas,
-                       _route->describe_parameter(param)));
-
-       add_automation_child (param, track, show);
+               
+       if (param.type() == GainAutomation) {
+               create_gain_automation_child (param, show);
+       } else {
+               
+               /* These controllers are region "automation", so we do not create
+                * an AutomationList/Line for the track */
+               
+               boost::shared_ptr<AutomationControl> c = _route->get_control (param);
+               assert (c);
+               
+               boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
+                                                                                           _route, boost::shared_ptr<ARDOUR::Automatable>(), c,
+                                                                                           _editor,
+                                                                                           *this,
+                                                                                           true,
+                                                                                           parent_canvas,
+                                                                                           _route->describe_parameter(param)));
+               
+               add_automation_child (param, track, show);
+       }
 }
 
 
@@ -878,125 +887,7 @@ MidiTimeAxisView::route_active_changed ()
        }
 }
 
-void
-MidiTimeAxisView::start_step_editing ()
-{
-       step_edit_insert_position = _editor.get_preferred_edit_position ();
-       step_edit_beat_pos = 0;
-       step_edit_region = playlist()->top_region_at (step_edit_insert_position);
 
-       if (step_edit_region) {
-               RegionView* rv = view()->find_view (step_edit_region);
-               step_edit_region_view = dynamic_cast<MidiRegionView*> (rv);
-       } else {
-               step_edit_region_view = 0;
-       }
-
-       midi_track()->set_step_editing (true);
-}
-
-void
-MidiTimeAxisView::stop_step_editing ()
-{
-       midi_track()->set_step_editing (false);
-}
-
-void
-MidiTimeAxisView::check_step_edit ()
-{
-       MidiRingBuffer<nframes_t>& incoming (midi_track()->step_edit_ring_buffer());
-       Evoral::Note<Evoral::MusicalTime> note;
-       uint8_t* buf;
-       uint32_t bufsize = 32;
-
-       buf = new uint8_t[bufsize];
-
-       while (incoming.read_space()) {
-               nframes_t time;
-               Evoral::EventType type;
-               uint32_t size;
-
-               incoming.read_prefix (&time, &type, &size);
-
-               if (size > bufsize) {
-                       delete [] buf;
-                       bufsize = size;
-                       buf = new uint8_t[bufsize];
-               }
-
-               incoming.read_contents (size, buf);
-
-               if ((buf[0] & 0xf0) == MIDI_CMD_NOTE_ON) {
-
-                       if (step_edit_region == 0) {
-
-                               step_edit_region = add_region (step_edit_insert_position);
-                               RegionView* rv = view()->find_view (step_edit_region);
-
-                               if (rv) {
-                                       step_edit_region_view = dynamic_cast<MidiRegionView*>(rv);
-                               } else {
-                                       fatal << X_("programming error: no view found for new MIDI region") << endmsg;
-                                       /*NOTREACHED*/
-                               }
-                       }
-
-                       if (step_edit_region_view) {
-
-                               bool success;
-                               Evoral::MusicalTime beats = _editor.get_grid_type_as_beats (success, step_edit_insert_position);
-
-                               if (!success) {
-                                       continue;
-                               }
-
-                               step_edit_region_view->add_note (buf[0] & 0xf, buf[1], buf[2], step_edit_beat_pos, beats);
-                               step_edit_beat_pos += beats;
-                       }
-               }
-
-       }
-}
-
-void
-MidiTimeAxisView::step_edit_rest ()
-{
-       bool success;
-       Evoral::MusicalTime beats = _editor.get_grid_type_as_beats (success, step_edit_insert_position);
-       step_edit_beat_pos += beats;
-}
-
-boost::shared_ptr<Region>
-MidiTimeAxisView::add_region (nframes64_t pos)
-{
-       Editor* real_editor = dynamic_cast<Editor*> (&_editor);
-
-       real_editor->begin_reversible_command (_("create region"));
-        playlist()->clear_history ();
-
-       framepos_t start = pos;
-       real_editor->snap_to (start, -1);
-       const Meter& m = _session->tempo_map().meter_at(start);
-       const Tempo& t = _session->tempo_map().tempo_at(start);
-       double length = floor (m.frames_per_bar(t, _session->frame_rate()));
-
-       boost::shared_ptr<Source> src = _session->create_midi_source_for_session (view()->trackview().track()->name());
-
-       PropertyList plist; 
-       
-       plist.add (ARDOUR::Properties::start, 0);
-       plist.add (ARDOUR::Properties::length, length);
-       plist.add (ARDOUR::Properties::name, PBD::basename_nosuffix(src->name()));
-       
-       boost::shared_ptr<Region> region = (RegionFactory::create (src, plist));
-
-       playlist()->add_region (region, start);
-       _session->add_command (new StatefulDiffCommand (playlist()));
-
-       real_editor->commit_reversible_command();
-
-       return region;
-}
 
 void
 MidiTimeAxisView::add_note_selection (uint8_t note)
@@ -1080,9 +971,9 @@ MidiTimeAxisView::set_channel_mode (ChannelMode, uint16_t)
 
                for (uint32_t chn = 0; chn < 16; ++chn) {
                        Evoral::Parameter fully_qualified_param (MidiCCAutomation, chn, ctl);
-                       RouteAutomationNode* node = automation_track (fully_qualified_param);
+                       boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
 
-                       if (!node) {
+                       if (!track) {
                                continue;
                        }
                        
@@ -1090,18 +981,19 @@ MidiTimeAxisView::set_channel_mode (ChannelMode, uint16_t)
                                /* channel not in use. hiding it will trigger RouteTimeAxisView::automation_track_hidden() 
                                   which will cause a redraw. We don't want one per channel, so block that with no_redraw.
                                 */
-                               changed = node->track->set_visibility (false) || changed;
+                               changed = track->set_visibility (false) || changed;
                        } else {
-                               changed = node->track->set_visibility (true) || changed;
+                               changed = track->set_visibility (true) || changed;
                        }
                }
        }
 
        no_redraw = false;
 
-       /* TODO: Bender, PgmChange, Pressure */
+       /* TODO: Bender, Pressure */
 
        /* invalidate the controller menu, so that we rebuilt it next time */
+       _controller_menu_map.clear ();
        delete controller_menu;
        controller_menu = 0;
 
@@ -1109,3 +1001,72 @@ MidiTimeAxisView::set_channel_mode (ChannelMode, uint16_t)
                _route->gui_changed ("track_height", this);
        }
 }
+
+Gtk::CheckMenuItem*
+MidiTimeAxisView::automation_child_menu_item (Evoral::Parameter param)
+{
+       Gtk::CheckMenuItem* m = RouteTimeAxisView::automation_child_menu_item (param);
+       if (m) {
+               return m;
+       }
+
+       ParameterMenuMap::iterator i = _controller_menu_map.find (param);
+       if (i != _controller_menu_map.end()) {
+               return i->second;
+       }
+
+       i = _channel_command_menu_map.find (param);
+       if (i != _channel_command_menu_map.end()) {
+               return i->second;
+       }
+
+       return 0;
+}
+
+boost::shared_ptr<MidiRegion>
+MidiTimeAxisView::add_region (framepos_t pos, framecnt_t length, bool commit)
+{
+       Editor* real_editor = dynamic_cast<Editor*> (&_editor);
+
+       real_editor->begin_reversible_command (_("create region"));
+        playlist()->clear_changes ();
+
+       real_editor->snap_to (pos, 0);
+       
+       boost::shared_ptr<Source> src = _session->create_midi_source_for_session (view()->trackview().track().get(),
+                                                                                  view()->trackview().track()->name());
+       PropertyList plist; 
+       
+       plist.add (ARDOUR::Properties::start, 0);
+       plist.add (ARDOUR::Properties::length, length);
+       plist.add (ARDOUR::Properties::name, PBD::basename_nosuffix(src->name()));
+       
+       boost::shared_ptr<Region> region = (RegionFactory::create (src, plist));
+        
+       playlist()->add_region (region, pos);
+       _session->add_command (new StatefulDiffCommand (playlist()));
+
+       if (commit) {
+               real_editor->commit_reversible_command ();
+       }
+
+       return boost::dynamic_pointer_cast<MidiRegion>(region);
+}
+
+void 
+MidiTimeAxisView::start_step_editing ()
+{
+        if (!_step_editor) {
+                _step_editor = new StepEditor (_editor, midi_track(), *this);
+        }
+
+        _step_editor->start_step_editing ();
+
+}
+void 
+MidiTimeAxisView::stop_step_editing ()
+{
+        if (_step_editor) {
+                _step_editor->stop_step_editing ();
+        }
+}