/* * Copyright (C) 2023 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "ardour/midi_region.h" #include "ardour/midi_track.h" #include "ardour/smf_source.h" #include "canvas/box.h" #include "canvas/canvas.h" #include "canvas/container.h" #include "canvas/debug.h" #include "canvas/scroll_group.h" #include "canvas/rectangle.h" #include "canvas/widget.h" #include "gtkmm2ext/actions.h" #include "widgets/ardour_button.h" #include "widgets/ardour_dropdown.h" #include "widgets/tooltips.h" #include "ardour_ui.h" #include "editor_cursors.h" #include "editor_drag.h" #include "gui_thread.h" #include "keyboard.h" #include "midi_cue_background.h" #include "midi_cue_editor.h" #include "midi_cue_view.h" #include "note_base.h" #include "prh.h" #include "timers.h" #include "ui_config.h" #include "velocity_ghost_region.h" #include "verbose_cursor.h" #include "pbd/i18n.h" using namespace ARDOUR; using namespace ArdourCanvas; using namespace ArdourWidgets; using namespace Gtkmm2ext; using namespace Temporal; MidiCueEditor::MidiCueEditor() : CueEditor (X_("MIDICueEditor")) , timebar_height (15.) , n_timebars (3) , prh (nullptr) , bg (nullptr) , view (nullptr) , bbt_metric (*this) { mouse_mode = Editing::MouseContent; autoscroll_vertical_allowed = false; bindings = Bindings::get_bindings (editor_name()); register_actions (); build_grid_type_menu (); build_draw_midi_menus(); build_upper_toolbar (); build_canvas (); build_lower_toolbar (); set_mouse_mode (Editing::MouseContent, true); } MidiCueEditor::~MidiCueEditor () { delete bindings; } void MidiCueEditor::register_actions () { editor_actions = ActionManager::create_action_group (bindings, editor_name()); register_mouse_mode_actions (); bind_mouse_mode_buttons (); register_grid_actions (); } ArdourCanvas::GtkCanvasViewport* MidiCueEditor::get_canvas_viewport() const { return _canvas_viewport; } ArdourCanvas::GtkCanvas* MidiCueEditor::get_canvas() const { return _canvas; } bool MidiCueEditor::canvas_pre_event (GdkEvent* ev) { switch (ev->type) { case GDK_ENTER_NOTIFY: case GDK_LEAVE_NOTIFY: if (canvas_enter_leave (&ev->crossing)) { return true; } break; default: break; } return false; } void MidiCueEditor::build_lower_toolbar () { velocity_button = new ArdourButton (_("Velocity"), ArdourButton::Text, true); bender_button = new ArdourButton (_("Bender"), ArdourButton::Text, true); pressure_button = new ArdourButton (_("Pressure"), ArdourButton::Text, true); expression_button = new ArdourButton (_("Expression"), ArdourButton::Text, true); modulation_button = new ArdourButton (_("Modulation"), ArdourButton::Text, true); // button_bar.set_homogeneous (true); button_bar.set_spacing (6); button_bar.set_border_width (6); button_bar.pack_start (*velocity_button, false, false); button_bar.pack_start (*bender_button, false, false); button_bar.pack_start (*pressure_button, false, false); button_bar.pack_start (*modulation_button, false, false); velocity_button->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &MidiCueEditor::automation_button_event), ARDOUR::MidiVelocityAutomation, 0), false); pressure_button->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &MidiCueEditor::automation_button_event), ARDOUR::MidiChannelPressureAutomation, 0), false); bender_button->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &MidiCueEditor::automation_button_event), ARDOUR::MidiPitchBenderAutomation, 0), false); modulation_button->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &MidiCueEditor::automation_button_event), ARDOUR::MidiCCAutomation, MIDI_CTL_MSB_MODWHEEL), false); expression_button->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &MidiCueEditor::automation_button_event), ARDOUR::MidiCCAutomation, MIDI_CTL_MSB_EXPRESSION), false); _toolbox.pack_start (button_bar, false, false); } void MidiCueEditor::build_upper_toolbar () { using namespace Gtk::Menu_Helpers; Gtk::HBox* mode_box = manage(new Gtk::HBox); mode_box->set_border_width (2); mode_box->set_spacing(2); Gtk::HBox* mouse_mode_box = manage (new Gtk::HBox); Gtk::HBox* mouse_mode_hbox = manage (new Gtk::HBox); Gtk::VBox* mouse_mode_vbox = manage (new Gtk::VBox); Gtk::Alignment* mouse_mode_align = manage (new Gtk::Alignment); Glib::RefPtr mouse_mode_size_group = Gtk::SizeGroup::create (Gtk::SIZE_GROUP_VERTICAL); mouse_mode_size_group->add_widget (mouse_draw_button); mouse_mode_size_group->add_widget (mouse_content_button); mouse_mode_size_group->add_widget (grid_type_selector); mouse_mode_size_group->add_widget (draw_length_selector); mouse_mode_size_group->add_widget (draw_velocity_selector); mouse_mode_size_group->add_widget (draw_channel_selector); mouse_mode_size_group->add_widget (snap_mode_button); mouse_mode_hbox->set_spacing (2); mouse_mode_hbox->pack_start (mouse_draw_button, false, false); mouse_mode_hbox->pack_start (mouse_content_button, false, false); mouse_mode_vbox->pack_start (*mouse_mode_hbox); mouse_mode_align->add (*mouse_mode_vbox); mouse_mode_align->set (0.5, 1.0, 0.0, 0.0); mouse_mode_box->pack_start (*mouse_mode_align, false, false); pack_snap_box (); pack_draw_box (); Gtk::HBox* _toolbar_inner = manage (new Gtk::HBox); Gtk::HBox* _toolbar_outer = manage (new Gtk::HBox); _toolbar_inner->pack_start (*mouse_mode_box, false, false); _toolbar_inner->pack_start (snap_box, false, false); _toolbar_inner->pack_start (grid_box, false, false); _toolbar_inner->pack_start (draw_box, false, false); set_tooltip (full_zoom_button, _("Zoom to full clip")); _toolbar_outer->set_border_width (6); _toolbar_outer->set_spacing (12); _toolbar_outer->pack_start (visible_channel_label, false, false); _toolbar_outer->pack_start (visible_channel_selector, false, false); _toolbar_outer->pack_start (play_note_selection_button, false, false); _toolbar_outer->pack_start (follow_playhead_button, false, false); _toolbar_outer->pack_start (full_zoom_button, false, false); _toolbar_outer->pack_start (*_toolbar_inner, true, false); _toolbox.pack_start (*_toolbar_outer, false, false); Bindings* pr_bindings = Bindings::get_bindings (X_("Pianoroll")); _toolbox.set_data (X_("ardour-bindings"), pr_bindings); } void MidiCueEditor::set_visible_channel (int n) { } void MidiCueEditor::build_canvas () { _canvas_viewport = new ArdourCanvas::GtkCanvasViewport (horizontal_adjustment, vertical_adjustment); _canvas = _canvas_viewport->canvas (); _canvas->set_background_color (UIConfiguration::instance().color ("arrange base")); _canvas->signal_event().connect (sigc::mem_fun (*this, &MidiCueEditor::canvas_pre_event), false); dynamic_cast(_canvas)->use_nsglview (UIConfiguration::instance().get_nsgl_view_mode () == NSGLHiRes); _canvas->PreRender.connect (sigc::mem_fun(*this, &EditingContext::pre_render)); /* scroll group for items that should not automatically scroll * (e.g verbose cursor). It shares the canvas coordinate space. */ no_scroll_group = new ArdourCanvas::Container (_canvas->root()); h_scroll_group = new ArdourCanvas::ScrollGroup (_canvas->root(), ArdourCanvas::ScrollGroup::ScrollsHorizontally); CANVAS_DEBUG_NAME (h_scroll_group, "canvas h scroll"); _canvas->add_scroller (*h_scroll_group); v_scroll_group = new ArdourCanvas::ScrollGroup (_canvas->root(), ArdourCanvas::ScrollGroup::ScrollsVertically); CANVAS_DEBUG_NAME (v_scroll_group, "canvas v scroll"); _canvas->add_scroller (*v_scroll_group); hv_scroll_group = new ArdourCanvas::ScrollGroup (_canvas->root(), ArdourCanvas::ScrollGroup::ScrollSensitivity (ArdourCanvas::ScrollGroup::ScrollsVertically| ArdourCanvas::ScrollGroup::ScrollsHorizontally)); CANVAS_DEBUG_NAME (hv_scroll_group, "cue canvas hv scroll"); _canvas->add_scroller (*hv_scroll_group); cursor_scroll_group = new ArdourCanvas::ScrollGroup (_canvas->root(), ArdourCanvas::ScrollGroup::ScrollsHorizontally); CANVAS_DEBUG_NAME (cursor_scroll_group, "cue canvas cursor scroll"); _canvas->add_scroller (*cursor_scroll_group); /*a group to hold global rects like punch/loop indicators */ global_rect_group = new ArdourCanvas::Container (hv_scroll_group); CANVAS_DEBUG_NAME (global_rect_group, "cue global rect group"); transport_loop_range_rect = new ArdourCanvas::Rectangle (global_rect_group, ArdourCanvas::Rect (0.0, 0.0, 0.0, ArdourCanvas::COORD_MAX)); CANVAS_DEBUG_NAME (transport_loop_range_rect, "cue loop rect"); transport_loop_range_rect->hide(); /*a group to hold time (measure) lines */ time_line_group = new ArdourCanvas::Container (h_scroll_group); CANVAS_DEBUG_NAME (time_line_group, "cue time line group"); meter_bar = new ArdourCanvas::Rectangle (time_line_group, ArdourCanvas::Rect (0., 0, ArdourCanvas::COORD_MAX, timebar_height)); CANVAS_DEBUG_NAME (meter_bar, "Meter Bar"); meter_bar->set_fill(true); meter_bar->set_outline(true); meter_bar->set_outline_what(ArdourCanvas::Rectangle::BOTTOM); meter_bar->set_fill_color (UIConfiguration::instance().color_mod ("meter bar", "marker bar")); meter_bar->set_outline_color (UIConfiguration::instance().color ("marker bar separator")); meter_bar->set_outline_what (ArdourCanvas::Rectangle::BOTTOM); tempo_bar = new ArdourCanvas::Rectangle (time_line_group, ArdourCanvas::Rect (0.0, timebar_height, ArdourCanvas::COORD_MAX, timebar_height * 2)); CANVAS_DEBUG_NAME (tempo_bar, "Tempo Bar"); tempo_bar->set_fill(true); tempo_bar->set_outline(true); tempo_bar->set_outline_what(ArdourCanvas::Rectangle::BOTTOM); tempo_bar->set_fill_color (UIConfiguration::instance().color_mod ("tempo bar", "marker bar")); tempo_bar->set_outline_color (UIConfiguration::instance().color ("marker bar separator")); meter_bar->set_outline_what (ArdourCanvas::Rectangle::BOTTOM); Pango::FontDescription font (UIConfiguration::instance().get_SmallerFont()); Pango::FontDescription larger_font (UIConfiguration::instance().get_SmallBoldFont()); bbt_ruler = new ArdourCanvas::Ruler (time_line_group, &bbt_metric, ArdourCanvas::Rect (0, timebar_height * 2, ArdourCanvas::COORD_MAX, timebar_height * 3)); bbt_ruler->set_font_description (font); bbt_ruler->set_second_font_description (larger_font); Gtkmm2ext::Color base = UIConfiguration::instance().color ("ruler base"); Gtkmm2ext::Color text = UIConfiguration::instance().color ("ruler text"); bbt_ruler->set_fill_color (base); bbt_ruler->set_outline_color (text); CANVAS_DEBUG_NAME (bbt_ruler, "cue bbt ruler"); data_group = new ArdourCanvas::Container (hv_scroll_group); CANVAS_DEBUG_NAME (data_group, "cue data group"); bg = new CueMidiBackground (data_group); _canvas_viewport->signal_size_allocate().connect (sigc::mem_fun(*this, &MidiCueEditor::canvas_allocate), false); // used as rubberband rect rubberband_rect = new ArdourCanvas::Rectangle (data_group, ArdourCanvas::Rect (0.0, 0.0, 0.0, 0.0)); rubberband_rect->hide(); rubberband_rect->set_outline_color (UIConfiguration::instance().color ("rubber band rect")); rubberband_rect->set_fill_color (UIConfiguration::instance().color_mod ("rubber band rect", "selection rect")); CANVAS_DEBUG_NAME (rubberband_rect, X_("cue rubberband rect")); prh = new ArdourCanvas::PianoRollHeader (v_scroll_group, *bg); view = new MidiCueView (nullptr, 0, *data_group, *no_scroll_group, *this, *bg, 0xff0000ff); bg->set_view (view); prh->set_view (view); /* This must be called after prh and bg have had their view set */ double w, h; prh->size_request (w, h); _timeline_origin = w; prh->set_position (Duple (0., n_timebars * timebar_height)); data_group->set_position (ArdourCanvas::Duple (_timeline_origin, timebar_height * n_timebars)); no_scroll_group->set_position (ArdourCanvas::Duple (_timeline_origin, timebar_height * n_timebars)); cursor_scroll_group->set_position (ArdourCanvas::Duple (_timeline_origin, timebar_height * n_timebars)); h_scroll_group->set_position (Duple (_timeline_origin, 0.)); _verbose_cursor = new VerboseCursor (*this); // _playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event, X_("playhead")); _playhead_cursor = new EditorCursor (*this, X_("playhead")); _playhead_cursor->set_sensitive (UIConfiguration::instance().get_sensitize_playhead()); _playhead_cursor->set_color (UIConfiguration::instance().color ("play head")); _playhead_cursor->canvas_item().raise_to_top(); h_scroll_group->raise_to_top (); _canvas->set_name ("MidiCueCanvas"); _canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK | Gdk::SCROLL_MASK | Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK); _canvas->set_can_focus (); _toolbox.pack_start (*_canvas_viewport, true, true); bindings_changed (); } void MidiCueEditor::bindings_changed () { Bindings* midi_bindings = Bindings::get_bindings (X_("MIDI")); Bindings* shared_bindings = Bindings::get_bindings (X_("Editing")); _canvas_viewport->set_data (X_("ardour-bindings"), shared_bindings); _canvas->set_data (X_("ardour-bindings"), midi_bindings); } void MidiCueEditor::maybe_update () { if (!_track) { return; } ARDOUR::TriggerPtr trigger = _track->triggerbox()->currently_playing (); if (!trigger) { _playhead_cursor->set_position (0); } else { if (trigger->active ()) { _playhead_cursor->set_position (trigger->current_pos().samples()); } else { _playhead_cursor->set_position (0); } } } bool MidiCueEditor::canvas_enter_leave (GdkEventCrossing* ev) { switch (ev->type) { case GDK_ENTER_NOTIFY: if (ev->detail != GDK_NOTIFY_INFERIOR) { _canvas_viewport->canvas()->grab_focus (); ActionManager::set_sensitive (_midi_actions, true); EditingContext::switch_editing_context (this); } break; case GDK_LEAVE_NOTIFY: if (ev->detail != GDK_NOTIFY_INFERIOR) { ActionManager::set_sensitive (_midi_actions, false); ARDOUR_UI::instance()->reset_focus (_canvas_viewport); } default: break; } return false; } void MidiCueEditor::canvas_allocate (Gtk::Allocation alloc) { _visible_canvas_width = alloc.get_width(); _visible_canvas_height = alloc.get_height(); double timebars = n_timebars * timebar_height; bg->set_size (alloc.get_width(), alloc.get_height() - timebars); view->set_height (alloc.get_height() - timebars); prh->set (ArdourCanvas::Rect (0, 0, prh->x1(), view->midi_context().height())); } timepos_t MidiCueEditor::snap_to_grid (timepos_t const & presnap, Temporal::RoundMode direction, SnapPref gpref) const { /* BBT time only */ return snap_to_bbt (presnap, direction, gpref); } void MidiCueEditor::snap_to_internal (timepos_t& start, Temporal::RoundMode direction, SnapPref pref, bool ensure_snap) const { UIConfiguration const& uic (UIConfiguration::instance ()); const timepos_t presnap = start; timepos_t dist = timepos_t::max (start.time_domain()); // this records the distance of the best snap result we've found so far timepos_t best = timepos_t::max (start.time_domain()); // this records the best snap-result we've found so far timepos_t pre (presnap); timepos_t post (snap_to_grid (pre, direction, pref)); check_best_snap (presnap, post, dist, best); if (timepos_t::max (start.time_domain()) == best) { return; } /* now check "magnetic" state: is the grid within reasonable on-screen distance to trigger a snap? * this also helps to avoid snapping to somewhere the user can't see. (i.e.: I clicked on a region and it disappeared!!) * ToDo: Perhaps this should only occur if EditPointMouse? */ samplecnt_t snap_threshold_s = pixel_to_sample (uic.get_snap_threshold ()); if (!ensure_snap && ::llabs (best.distance (presnap).samples()) > snap_threshold_s) { return; } start = best; } void MidiCueEditor::set_samples_per_pixel (samplecnt_t spp) { CueEditor::set_samples_per_pixel (spp); if (view) { view->set_samples_per_pixel (spp); } bbt_ruler->set_range (0, current_page_samples()); compute_bbt_ruler_scale (0, current_page_samples()); bbt_metric.units_per_pixel = spp; } samplecnt_t MidiCueEditor::current_page_samples() const { return (samplecnt_t) _visible_canvas_width* samples_per_pixel; } bool MidiCueEditor::canvas_control_point_event (GdkEvent* event, ArdourCanvas::Item* item, ControlPoint* cp) { return typed_event (item, event, ControlPointItem); } bool MidiCueEditor::canvas_note_event (GdkEvent* event, ArdourCanvas::Item* item) { return typed_event (item, event, NoteItem); } bool MidiCueEditor::canvas_velocity_base_event (GdkEvent* event, ArdourCanvas::Item* item) { return typed_event (item, event, VelocityBaseItem); } bool MidiCueEditor::canvas_velocity_event (GdkEvent* event, ArdourCanvas::Item* item) { return typed_event (item, event, VelocityItem); } Gtk::Widget& MidiCueEditor::viewport() { return *_canvas_viewport; } Gtk::Widget& MidiCueEditor::toolbox () { return _toolbox; } void MidiCueEditor::data_captured (samplecnt_t total_duration) { data_capture_duration = total_duration; if (!idle_update_queued.exchange (1)) { Glib::signal_idle().connect (sigc::mem_fun (*this, &MidiCueEditor::idle_data_captured)); } _playhead_cursor->set_position (data_capture_duration); } bool MidiCueEditor::idle_data_captured () { double where = sample_to_pixel_unrounded (data_capture_duration); if (where > _visible_canvas_width * 0.80) { set_samples_per_pixel (samples_per_pixel * 1.5); } if (view) { view->clip_data_recorded (data_capture_duration); } idle_update_queued.store (0); return false; } void MidiCueEditor::box_rec_enable_change (ARDOUR::TriggerBox const & b) { } void MidiCueEditor::trigger_rec_enable_change (ARDOUR::Trigger const & t) { if (!t.armed()) { view->end_write (); } } bool MidiCueEditor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type) { switch (event->button.button) { case 1: return button_press_handler_1 (item, event, item_type); break; case 2: return button_press_handler_2 (item, event, item_type); break; case 3: break; default: return button_press_dispatch (&event->button); break; } return false; } bool MidiCueEditor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type) { NoteBase* note = nullptr; switch (item_type) { case NoteItem: if (mouse_mode == Editing::MouseContent) { /* Existing note: allow trimming/motion */ if ((note = reinterpret_cast (item->get_data ("notebase")))) { if (note->big_enough_to_trim() && note->mouse_near_ends()) { _drags->set (new NoteResizeDrag (*this, item), event, get_canvas_cursor()); } else { NoteDrag* nd = new NoteDrag (*this, item); nd->set_bounding_item (data_group); _drags->set (nd, event); } } } return true; case ControlPointItem: if (mouse_mode == Editing::MouseContent) { _drags->set (new ControlPointDrag (*this, item), event); } return true; break; case VelocityItem: if (mouse_mode == Editing::MouseContent) { _drags->set (new LollipopDrag (*this, item), event); } return true; break; case VelocityBaseItem: _drags->set (new VelocityLineDrag (*this, *static_cast(item), false, Temporal::BeatTime), event); return true; break; case AutomationTrackItem: switch (mouse_mode) { case Editing::MouseContent: /* rubberband drag to select automation points */ _drags->set (new RubberbandSelectDrag (*this, item, [&](GdkEvent* ev, timepos_t const & pos) { return view->automation_rb_click (ev, pos); }), event); break; case Editing::MouseDraw: _drags->set (new AutomationDrawDrag (*this, nullptr, *static_cast(item), false, Temporal::BeatTime), event); break; default: break; } return true; break; case EditorAutomationLineItem: { ARDOUR::SelectionOperation op = ArdourKeyboard::selection_type (event->button.state); select_automation_line (&event->button, item, op); switch (mouse_mode) { case Editing::MouseContent: _drags->set (new LineDrag (*this, item, [&](GdkEvent* ev,timepos_t const & pos, double) { view->line_drag_click (ev, pos); }), event); break; default: break; } return true; } default: break; } return false; } bool MidiCueEditor::button_press_handler_2 (ArdourCanvas::Item*, GdkEvent*, ItemType) { return true; } bool MidiCueEditor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type) { if (!Keyboard::is_context_menu_event (&event->button)) { /* see if we're finishing a drag */ if (_drags->active ()) { bool const r = _drags->end_grab (event); if (r) { /* grab dragged, so do nothing else */ return true; } } } if (Keyboard::is_context_menu_event (&event->button)) { switch (item_type) { case NoteItem: if (internal_editing()) { popup_note_context_menu (item, event); return true; } break; default: break; } } return false; } bool MidiCueEditor::button_press_dispatch (GdkEventButton* ev) { /* this function is intended only for buttons 4 and above. */ Gtkmm2ext::MouseButton b (ev->state, ev->button); return button_bindings->activate (b, Gtkmm2ext::Bindings::Press); } bool MidiCueEditor::button_release_dispatch (GdkEventButton* ev) { /* this function is intended only for buttons 4 and above. */ Gtkmm2ext::MouseButton b (ev->state, ev->button); return button_bindings->activate (b, Gtkmm2ext::Bindings::Release); } bool MidiCueEditor::motion_handler (ArdourCanvas::Item*, GdkEvent* event, bool from_autoscroll) { if (_drags->active ()) { //drags change the snapped_cursor location, because we are snapping the thing being dragged, not the actual mouse cursor return _drags->motion_handler (event, from_autoscroll); } return true; } bool MidiCueEditor::key_press_handler (ArdourCanvas::Item*, GdkEvent* ev, ItemType) { switch (ev->key.keyval) { case GDK_d: set_mouse_mode (Editing::MouseDraw); break; case GDK_e: set_mouse_mode (Editing::MouseContent); break; } return true; } bool MidiCueEditor::key_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType) { return true; } void MidiCueEditor::set_mouse_mode (Editing::MouseMode m, bool force) { if (m != Editing::MouseDraw && m != Editing::MouseContent) { return; } EditingContext::set_mouse_mode (m, force); } void MidiCueEditor::step_mouse_mode (bool next) { } Editing::MouseMode MidiCueEditor::current_mouse_mode () const { return mouse_mode; } bool MidiCueEditor::internal_editing() const { return true; } RegionSelection MidiCueEditor::region_selection() { RegionSelection rs; return rs; } static void edit_last_mark_label (std::vector& marks, const std::string& newlabel) { ArdourCanvas::Ruler::Mark copy = marks.back(); copy.label = newlabel; marks.pop_back (); marks.push_back (copy); } void MidiCueEditor::metric_get_bbt (std::vector& marks, samplepos_t leftmost, samplepos_t rightmost, gint /*maxchars*/) { if (_session == 0) { return; } bool provided = false; std::shared_ptr tmap; if (view && view->midi_region()) { std::shared_ptr smf (std::dynamic_pointer_cast (view->midi_region()->midi_source())); if (smf) { tmap = smf->tempo_map (provided); } } if (!provided) { tmap.reset (new Temporal::TempoMap (Temporal::Tempo (120, 4), Temporal::Meter (4, 4))); } EditingContext::TempoMapScope tms (*this, tmap); Temporal::TempoMapPoints::const_iterator i; char buf[64]; Temporal::BBT_Time next_beat; double bbt_position_of_helper; bool helper_active = false; ArdourCanvas::Ruler::Mark mark; const samplecnt_t sr (_session->sample_rate()); Temporal::TempoMapPoints grid; grid.reserve (4096); /* prevent negative values of leftmost from creeping into tempomap */ const Beats left = tmap->quarters_at_sample (leftmost).round_down_to_beat(); const Beats lower_beat = (left < Beats() ? Beats() : left); using std::max; switch (bbt_ruler_scale) { case bbt_show_quarters: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 1); break; case bbt_show_eighths: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 2); break; case bbt_show_sixteenths: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 4); break; case bbt_show_thirtyseconds: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 8); break; case bbt_show_sixtyfourths: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 16); break; case bbt_show_onetwentyeighths: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 0, 32); break; case bbt_show_1: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 1); break; case bbt_show_4: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 4); break; case bbt_show_16: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 16); break; case bbt_show_64: tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 64); break; default: /* bbt_show_many */ tmap->get_grid (grid, max (tmap->superclock_at (lower_beat), (superclock_t) 0), samples_to_superclock (rightmost, sr), 128); break; } #if 0 // DEBUG GRID for (auto const& g : grid) { std::cout << "Grid " << g.time() << " Beats: " << g.beats() << " BBT: " << g.bbt() << " sample: " << g.sample(_session->nominal_sample_rate ()) << "\n"; } #endif if (distance (grid.begin(), grid.end()) == 0) { return; } /* we can accent certain lines depending on the user's Grid choice */ /* for example, even in a 4/4 meter we can draw a grid with triplet-feel */ /* and in this case you will want the accents on '3s' not '2s' */ uint32_t bbt_divisor = 2; using namespace Editing; switch (_grid_type) { case GridTypeBeatDiv3: bbt_divisor = 3; break; case GridTypeBeatDiv5: bbt_divisor = 5; break; case GridTypeBeatDiv6: bbt_divisor = 3; break; case GridTypeBeatDiv7: bbt_divisor = 7; break; case GridTypeBeatDiv10: bbt_divisor = 5; break; case GridTypeBeatDiv12: bbt_divisor = 3; break; case GridTypeBeatDiv14: bbt_divisor = 7; break; case GridTypeBeatDiv16: break; case GridTypeBeatDiv20: bbt_divisor = 5; break; case GridTypeBeatDiv24: bbt_divisor = 6; break; case GridTypeBeatDiv28: bbt_divisor = 7; break; case GridTypeBeatDiv32: break; default: bbt_divisor = 2; break; } uint32_t bbt_beat_subdivision = 1; switch (bbt_ruler_scale) { case bbt_show_quarters: bbt_beat_subdivision = 1; break; case bbt_show_eighths: bbt_beat_subdivision = 1; break; case bbt_show_sixteenths: bbt_beat_subdivision = 2; break; case bbt_show_thirtyseconds: bbt_beat_subdivision = 4; break; case bbt_show_sixtyfourths: bbt_beat_subdivision = 8; break; case bbt_show_onetwentyeighths: bbt_beat_subdivision = 16; break; default: bbt_beat_subdivision = 1; break; } bbt_beat_subdivision *= bbt_divisor; switch (bbt_ruler_scale) { case bbt_show_many: snprintf (buf, sizeof(buf), "cannot handle %" PRIu32 " bars", bbt_bars); mark.style = ArdourCanvas::Ruler::Mark::Major; mark.label = buf; mark.position = leftmost; marks.push_back (mark); break; case bbt_show_64: for (i = grid.begin(); i != grid.end(); i++) { BBT_Time bbt ((*i).bbt()); if (bbt.is_bar()) { if (bbt.bars % 64 == 1) { if (bbt.bars % 256 == 1) { snprintf (buf, sizeof(buf), "%" PRIu32, bbt.bars); mark.style = ArdourCanvas::Ruler::Mark::Major; } else { buf[0] = '\0'; if (bbt.bars % 256 == 129) { mark.style = ArdourCanvas::Ruler::Mark::Minor; } else { mark.style = ArdourCanvas::Ruler::Mark::Micro; } } mark.label = buf; mark.position = (*i).sample (sr); marks.push_back (mark); } } } break; case bbt_show_16: for (i = grid.begin(); i != grid.end(); i++) { BBT_Time bbt ((*i).bbt()); if (bbt.is_bar()) { if (bbt.bars % 16 == 1) { if (bbt.bars % 64 == 1) { snprintf (buf, sizeof(buf), "%" PRIu32, bbt.bars); mark.style = ArdourCanvas::Ruler::Mark::Major; } else { buf[0] = '\0'; if (bbt.bars % 64 == 33) { mark.style = ArdourCanvas::Ruler::Mark::Minor; } else { mark.style = ArdourCanvas::Ruler::Mark::Micro; } } mark.label = buf; mark.position = (*i).sample(sr); marks.push_back (mark); } } } break; case bbt_show_4: for (i = grid.begin(); i != grid.end(); ++i) { BBT_Time bbt ((*i).bbt()); if (bbt.is_bar()) { if (bbt.bars % 4 == 1) { if (bbt.bars % 16 == 1) { snprintf (buf, sizeof(buf), "%" PRIu32, bbt.bars); mark.style = ArdourCanvas::Ruler::Mark::Major; } else { buf[0] = '\0'; mark.style = ArdourCanvas::Ruler::Mark::Minor; } mark.label = buf; mark.position = (*i).sample (sr); marks.push_back (mark); } } } break; case bbt_show_1: for (i = grid.begin(); i != grid.end(); ++i) { BBT_Time bbt ((*i).bbt()); if (bbt.is_bar()) { snprintf (buf, sizeof(buf), "%" PRIu32, bbt.bars); mark.style = ArdourCanvas::Ruler::Mark::Major; mark.label = buf; mark.position = (*i).sample (sr); marks.push_back (mark); } } break; case bbt_show_quarters: mark.label = ""; mark.position = leftmost; mark.style = ArdourCanvas::Ruler::Mark::Micro; marks.push_back (mark); for (i = grid.begin(); i != grid.end(); ++i) { BBT_Time bbt ((*i).bbt()); if ((*i).sample (sr) < leftmost && (bbt_bar_helper_on)) { snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, bbt.bars, bbt.beats); edit_last_mark_label (marks, buf); } else { if (bbt.is_bar()) { mark.style = ArdourCanvas::Ruler::Mark::Major; snprintf (buf, sizeof(buf), "%" PRIu32, bbt.bars); } else if ((bbt.beats % 2) == 1) { mark.style = ArdourCanvas::Ruler::Mark::Minor; buf[0] = '\0'; } else { mark.style = ArdourCanvas::Ruler::Mark::Micro; buf[0] = '\0'; } mark.label = buf; mark.position = (*i).sample (sr); marks.push_back (mark); } } break; case bbt_show_eighths: case bbt_show_sixteenths: case bbt_show_thirtyseconds: case bbt_show_sixtyfourths: case bbt_show_onetwentyeighths: bbt_position_of_helper = leftmost + (3 * get_current_zoom ()); mark.label = ""; mark.position = leftmost; mark.style = ArdourCanvas::Ruler::Mark::Micro; marks.push_back (mark); for (i = grid.begin(); i != grid.end(); ++i) { BBT_Time bbt ((*i).bbt()); if ((*i).sample (sr) < leftmost && (bbt_bar_helper_on)) { snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, bbt.bars, bbt.beats); edit_last_mark_label (marks, buf); helper_active = true; } else { if (bbt.is_bar()) { mark.style = ArdourCanvas::Ruler::Mark::Major; snprintf (buf, sizeof(buf), "%" PRIu32, bbt.bars); } else if (bbt.ticks == 0) { mark.style = ArdourCanvas::Ruler::Mark::Minor; snprintf (buf, sizeof(buf), "%" PRIu32, bbt.beats); } else { mark.style = ArdourCanvas::Ruler::Mark::Micro; buf[0] = '\0'; } if (((*i).sample(sr) < bbt_position_of_helper) && helper_active) { buf[0] = '\0'; } mark.label = buf; mark.position = (*i).sample (sr); marks.push_back (mark); } } break; } } void MidiCueEditor::mouse_mode_toggled (Editing::MouseMode m) { Glib::RefPtr act = get_mouse_mode_action (m); Glib::RefPtr tact = Glib::RefPtr::cast_dynamic (act); if (!tact->get_active()) { /* this was just the notification that the old mode has been * left. we'll get called again with the new mode active in a * jiffy. */ return; } mouse_mode = m; /* this should generate a new enter event which will trigger the appropriate cursor. */ if (_canvas) { _canvas->re_enter (); } } int MidiCueEditor::set_state (XMLNode const & node, int version) { set_common_editing_state (node); return 0; } XMLNode& MidiCueEditor::get_state () const { XMLNode* node (new XMLNode (_("MIDICueEditor"))); get_common_editing_state (*node); return *node; } /** @param allow_horiz true to allow horizontal autoscroll, otherwise false. * * @param allow_vert true to allow vertical autoscroll, otherwise false. * */ void MidiCueEditor::maybe_autoscroll (bool allow_horiz, bool allow_vert, bool from_headers) { if (!UIConfiguration::instance().get_autoscroll_editor () || autoscroll_active ()) { return; } /* define a rectangular boundary for scrolling. If the mouse moves * outside of this area and/or continue to be outside of this area, * then we will continuously auto-scroll the canvas in the appropriate * direction(s) * * the boundary is defined in coordinates relative to canvas' own * window since that is what we're going to call ::get_pointer() on * during autoscrolling to determine if we're still outside the * boundary or not. */ ArdourCanvas::Rect scrolling_boundary; Gtk::Allocation alloc; alloc = get_canvas()->get_allocation (); alloc.set_x (0); alloc.set_y (0); if (allow_vert) { /* reduce height by the height of the timebars, which happens to correspond to the position of the data_group. */ alloc.set_height (alloc.get_height() - data_group->position().y); alloc.set_y (alloc.get_y() + data_group->position().y); /* now reduce it again so that we start autoscrolling before we * move off the top or bottom of the canvas */ alloc.set_height (alloc.get_height() - 20); alloc.set_y (alloc.get_y() + 10); } if (allow_horiz && (alloc.get_width() > 20)) { if (prh) { double w, h; prh->size_request (w, h); alloc.set_width (alloc.get_width() - w); alloc.set_x (alloc.get_x() + w); } /* the effective width of the autoscroll boundary so that we start scrolling before we hit the edge. this helps when the window is slammed up against the right edge of the screen, making it hard to scroll effectively. */ alloc.set_width (alloc.get_width() - 20); alloc.set_x (alloc.get_x() + 10); } scrolling_boundary = ArdourCanvas::Rect (alloc.get_x(), alloc.get_y(), alloc.get_x() + alloc.get_width(), alloc.get_y() + alloc.get_height()); int x, y; Gdk::ModifierType mask; get_canvas()->get_window()->get_pointer (x, y, mask); if ((allow_horiz && ((x < scrolling_boundary.x0 && _leftmost_sample > 0) || x >= scrolling_boundary.x1)) || (allow_vert && ((y < scrolling_boundary.y0 && vertical_adjustment.get_value() > 0)|| y >= scrolling_boundary.y1))) { start_canvas_autoscroll (allow_horiz, allow_vert, scrolling_boundary); } } bool MidiCueEditor::autoscroll_active () const { return autoscroll_connection.connected (); } bool MidiCueEditor::autoscroll_canvas () { using std::max; using std::min; int x, y; Gdk::ModifierType mask; sampleoffset_t dx = 0; bool no_stop = false; Gtk::Window* toplevel = dynamic_cast(_canvas_viewport->get_toplevel()); if (!toplevel) { return false; } get_canvas()->get_window()->get_pointer (x, y, mask); VisualChange vc; bool vertical_motion = false; if (autoscroll_horizontal_allowed) { samplepos_t new_sample = _leftmost_sample; /* horizontal */ if (x > autoscroll_boundary.x1) { /* bring it back into view */ dx = x - autoscroll_boundary.x1; dx += 10 + (2 * (autoscroll_cnt/2)); dx = pixel_to_sample (dx); dx *= UIConfiguration::instance().get_draggable_playhead_speed(); if (_leftmost_sample < max_samplepos - dx) { new_sample = _leftmost_sample + dx; } else { new_sample = max_samplepos; } no_stop = true; } else if (x < autoscroll_boundary.x0) { dx = autoscroll_boundary.x0 - x; dx += 10 + (2 * (autoscroll_cnt/2)); dx = pixel_to_sample (dx); dx *= UIConfiguration::instance().get_draggable_playhead_speed(); if (_leftmost_sample >= dx) { new_sample = _leftmost_sample - dx; } else { new_sample = 0; } no_stop = true; } if (new_sample != _leftmost_sample) { vc.time_origin = new_sample; vc.add (VisualChange::TimeOrigin); } } if (autoscroll_vertical_allowed) { // const double vertical_pos = vertical_adjustment.get_value(); const int speed_factor = 10; /* vertical */ if (y < autoscroll_boundary.y0) { /* scroll to make higher tracks visible */ if (autoscroll_cnt && (autoscroll_cnt % speed_factor == 0)) { // XXX SCROLL UP vertical_motion = true; } no_stop = true; } else if (y > autoscroll_boundary.y1) { if (autoscroll_cnt && (autoscroll_cnt % speed_factor == 0)) { // XXX SCROLL DOWN vertical_motion = true; } no_stop = true; } } if (vc.pending || vertical_motion) { /* change horizontal first */ if (vc.pending) { visual_changer (vc); } /* now send a motion event to notify anyone who cares that we have moved to a new location (because we scrolled) */ GdkEventMotion ev; ev.type = GDK_MOTION_NOTIFY; ev.state = Gdk::BUTTON1_MASK; /* the motion handler expects events in canvas coordinate space */ /* we asked for the mouse position above (::get_pointer()) via * our own top level window (we being the Editor). Convert into * coordinates within the canvas window. */ int cx; int cy; //toplevel->translate_coordinates (*get_canvas(), x, y, cx, //cy); cx = x; cy = y; /* clamp x and y to remain within the autoscroll boundary, * which is defined in window coordinates */ x = min (max ((ArdourCanvas::Coord) cx, autoscroll_boundary.x0), autoscroll_boundary.x1); y = min (max ((ArdourCanvas::Coord) cy, autoscroll_boundary.y0), autoscroll_boundary.y1); /* now convert from Editor window coordinates to canvas * window coordinates */ ArdourCanvas::Duple d = get_canvas()->window_to_canvas (ArdourCanvas::Duple (cx, cy)); ev.x = d.x; ev.y = d.y; ev.state = mask; motion_handler (0, (GdkEvent*) &ev, true); } else if (no_stop) { /* not changing visual state but pointer is outside the scrolling boundary * so we still need to deliver a fake motion event */ GdkEventMotion ev; ev.type = GDK_MOTION_NOTIFY; ev.state = Gdk::BUTTON1_MASK; /* the motion handler expects events in canvas coordinate space */ /* first convert from Editor window coordinates to canvas * window coordinates */ int cx; int cy; /* clamp x and y to remain within the visible area. except * .. if horizontal scrolling is allowed, always allow us to * move back to zero */ if (autoscroll_horizontal_allowed) { x = min (max ((ArdourCanvas::Coord) x, 0.0), autoscroll_boundary.x1); } else { x = min (max ((ArdourCanvas::Coord) x, autoscroll_boundary.x0), autoscroll_boundary.x1); } y = min (max ((ArdourCanvas::Coord) y, autoscroll_boundary.y0), autoscroll_boundary.y1); // toplevel->translate_coordinates (*get_canvas_viewport(), x, // y, cx, cy); cx = x; cy = y; ArdourCanvas::Duple d = get_canvas()->window_to_canvas (ArdourCanvas::Duple (cx, cy)); ev.x = d.x; ev.y = d.y; ev.state = mask; motion_handler (0, (GdkEvent*) &ev, true); } else { stop_canvas_autoscroll (); return false; } autoscroll_cnt++; return true; /* call me again */ } void MidiCueEditor::start_canvas_autoscroll (bool allow_horiz, bool allow_vert, const ArdourCanvas::Rect& boundary) { if (!_session) { return; } stop_canvas_autoscroll (); autoscroll_horizontal_allowed = allow_horiz; autoscroll_vertical_allowed = allow_vert; autoscroll_boundary = boundary; /* do the first scroll right now */ autoscroll_canvas (); /* scroll again at very very roughly 30FPS */ autoscroll_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &MidiCueEditor::autoscroll_canvas), 30); } void MidiCueEditor::stop_canvas_autoscroll () { autoscroll_connection.disconnect (); autoscroll_cnt = 0; } void MidiCueEditor::visual_changer (const VisualChange& vc) { /** * Changed first so the correct horizontal canvas position is calculated in * EditingContext::set_horizontal_position */ if (vc.pending & VisualChange::ZoomLevel) { set_samples_per_pixel (vc.samples_per_pixel); } if (vc.pending & VisualChange::TimeOrigin) { double new_time_origin = sample_to_pixel_unrounded (vc.time_origin); set_horizontal_position (new_time_origin); } if (vc.pending & VisualChange::YOrigin) { vertical_adjustment.set_value (vc.y_origin); } /** * Now the canvas is in the final state before render the canvas items that * support the Item::prepare_for_render interface can calculate the correct * item to visible canvas intersection. */ if (vc.pending & VisualChange::ZoomLevel) { on_samples_per_pixel_changed (); // update_tempo_based_rulers (); } if (!(vc.pending & VisualChange::ZoomLevel)) { /* If the canvas is not being zoomed then the canvas items will not change * and cause Item::prepare_for_render to be called so do it here manually. * Not ideal, but I can't think of a better solution atm. */ get_canvas()->prepare_for_render(); } /* If we are only scrolling vertically there is no need to update these */ if (vc.pending != VisualChange::YOrigin) { // XXX update_fixed_rulers (); // XXX redisplay_grid (true); } } void MidiCueEditor::on_samples_per_pixel_changed () { if (view) { view->set_samples_per_pixel (samples_per_pixel); } } void MidiCueEditor::midi_action (void (MidiView::*method)()) { if (!view) { return; } (view->*method) (); } void MidiCueEditor::escape () { if (!view) { return; } view->clear_note_selection (); } Gdk::Cursor* MidiCueEditor::which_track_cursor () const { return _cursors->grabber; } Gdk::Cursor* MidiCueEditor::which_mode_cursor () const { Gdk::Cursor* mode_cursor = MouseCursors::invalid_cursor (); switch (mouse_mode) { case Editing::MouseContent: /* don't use mode cursor, pick a grabber cursor based on the item */ break; case Editing::MouseDraw: mode_cursor = _cursors->midi_pencil; break; default: break; } return mode_cursor; } Gdk::Cursor* MidiCueEditor::which_trim_cursor (bool left_side) const { abort (); /*NOTREACHED*/ return nullptr; } Gdk::Cursor* MidiCueEditor::which_canvas_cursor (ItemType type) const { Gdk::Cursor* cursor = which_mode_cursor (); if (mouse_mode == Editing::MouseContent) { /* find correct cursor to use in object/smart mode */ switch (type) { case AutomationTrackItem: cursor = which_track_cursor (); break; case PlayheadCursorItem: cursor = _cursors->grabber; break; case SelectionItem: cursor = _cursors->selector; break; case ControlPointItem: cursor = _cursors->fader; break; case GainLineItem: cursor = _cursors->cross_hair; break; case EditorAutomationLineItem: cursor = _cursors->cross_hair; break; case StartSelectionTrimItem: cursor = _cursors->left_side_trim; break; case EndSelectionTrimItem: cursor = _cursors->right_side_trim; break; case NoteItem: cursor = _cursors->grabber_note; default: break; } } else if (mouse_mode == Editing::MouseDraw) { /* ControlPointItem is not really specific to region gain mode but it is the same cursor so don't worry about this for now. The result is that we'll see the fader cursor if we enter non-region-gain-line control points while in MouseDraw mode, even though we can't edit them in this mode. */ switch (type) { case ControlPointItem: cursor = _cursors->fader; break; case NoteItem: cursor = _cursors->grabber_note; default: break; } } return cursor; } bool MidiCueEditor::enter_handler (ArdourCanvas::Item* item, GdkEvent* ev, ItemType item_type) { choose_canvas_cursor_on_entry (item_type); switch (item_type) { case AutomationTrackItem: /* item is the base rectangle */ if (view) { view->automation_entry (); } break; case EditorAutomationLineItem: { ArdourCanvas::Line *line = dynamic_cast (item); if (line) { line->set_outline_color (UIConfiguration::instance().color ("entered automation line")); } } break; default: break; } return true; } bool MidiCueEditor::leave_handler (ArdourCanvas::Item* item, GdkEvent* ev, ItemType item_type) { EditorAutomationLine* al; if (!_enter_stack.empty()) { _enter_stack.pop_back(); } switch (item_type) { case ControlPointItem: _verbose_cursor->hide (); break; case EditorAutomationLineItem: al = reinterpret_cast (item->get_data ("line")); { ArdourCanvas::Line *line = dynamic_cast (item); if (line) { line->set_outline_color (al->get_line_color()); } } if (ev->crossing.detail != GDK_NOTIFY_INFERIOR) { view->automation_leave (); } break; default: break; } return true; } std::list MidiCueEditor::selectable_owners() { if (view) { return view->selectable_owners(); } return std::list (); } void MidiCueEditor::trigger_prop_change (PBD::PropertyChange const & what_changed) { if (what_changed.contains (Properties::region)) { std::shared_ptr mr = std::dynamic_pointer_cast (ref.trigger()->the_region()); if (mr) { set_region (mr); } } } void MidiCueEditor::set (TriggerReference & tref) { _update_connection.disconnect (); object_connections.drop_connections (); ref = tref; idle_update_queued.store (0); ref.box()->Captured.connect (object_connections, invalidator (*this), std::bind (&MidiCueEditor::data_captured, this, _1), gui_context()); /* Don't bind a shared_ptr within the lambda */ TriggerBox* tb (ref.box().get()); tb->RecEnableChanged.connect (object_connections, invalidator (*this), [&, tb]() { box_rec_enable_change (*tb); }, gui_context()); Stripable* st = dynamic_cast (ref.box()->owner()); assert (st); _track = std::dynamic_pointer_cast (st->shared_from_this()); assert (_track); view->set_track (_track); _update_connection = Timers::rapid_connect (sigc::mem_fun (*this, &MidiCueEditor::maybe_update)); _track->DropReferences.connect (object_connections, invalidator (*this), std::bind (&MidiCueEditor::unset, this), gui_context()); ref.trigger()->PropertyChanged.connect (object_connections, invalidator (*this), std::bind (&MidiCueEditor::trigger_prop_change, this, _1), gui_context()); if (ref.trigger()->the_region()) { std::shared_ptr mr = std::dynamic_pointer_cast (ref.trigger()->the_region()); if (mr) { set_region (mr); } } } void MidiCueEditor::unset () { _update_connection.disconnect(); object_connections.drop_connections (); _track.reset (); view->set_region (nullptr); ref = TriggerReference (); } void MidiCueEditor::set_region (std::shared_ptr r) { if (!r) { view->set_region (nullptr); return; } view->set_region (r); /* Compute zoom level to show entire source plus some margin if possible */ Temporal::timecnt_t duration = Temporal::timecnt_t (r->midi_source()->length().beats()); std::cerr << "new region: " << duration << std::endl; bool provided = false; std::shared_ptr map; std::shared_ptr smf (std::dynamic_pointer_cast (r->midi_source())); if (smf) { map = smf->tempo_map (provided); } if (!provided) { map.reset (new Temporal::TempoMap (Temporal::Tempo (120, 4), Temporal::Meter (4, 4))); } { EditingContext::TempoMapScope tms (*this, map); double width = bg->width(); samplecnt_t samples = duration.samples(); std::cerr << "new spp from " << samples << " / " << width << std::endl; samplecnt_t spp = floor (samples / width); reset_zoom (spp); } } bool MidiCueEditor::automation_button_event (GdkEventButton* ev, Evoral::ParameterType type, int id) { SelectionOperation op = ArdourKeyboard::selection_type (ev->state); switch (ev->type) { case GDK_BUTTON_RELEASE: automation_button_click (type, id, op); break; default: break; } return false; } void MidiCueEditor::automation_button_click (Evoral::ParameterType type, int id, SelectionOperation op) { #warning paul allow channel selection (2nd param) if (view) { view->update_automation_display (Evoral::Parameter (type, 0, id), op); } }