2023-11-18 22:45:48 -05:00
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/*
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* Copyright (C) 2023 Paul Davis <paul@linuxaudiosystems.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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2024-01-26 22:45:22 -05:00
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#include "ardour/midi_region.h"
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#include "ardour/midi_source.h"
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2023-11-18 22:45:48 -05:00
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#include "canvas/canvas.h"
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#include "canvas/container.h"
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#include "canvas/debug.h"
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#include "canvas/scroll_group.h"
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#include "canvas/rectangle.h"
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2024-01-26 22:45:22 -05:00
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#include "editor_cursors.h"
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2024-01-08 16:35:15 -05:00
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#include "midi_cue_background.h"
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2023-11-18 22:45:48 -05:00
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#include "midi_cue_editor.h"
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#include "midi_cue_view.h"
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#include "ui_config.h"
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#include "verbose_cursor.h"
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2024-01-26 22:45:22 -05:00
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#include "pbd/i18n.h"
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2023-11-19 22:43:29 -05:00
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using namespace ARDOUR;
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using namespace ArdourCanvas;
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using namespace Temporal;
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MidiCueEditor::MidiCueEditor()
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: vertical_adjustment (0.0, 0.0, 10.0, 400.0)
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, horizontal_adjustment (0.0, 0.0, 1e16)
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, view (nullptr)
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{
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build_canvas ();
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_verbose_cursor = new VerboseCursor (*this);
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// _playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event, X_("playhead"));
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_playhead_cursor = new EditorCursor (*this, X_("playhead"));
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_playhead_cursor->set_sensitive (UIConfiguration::instance().get_sensitize_playhead());
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_snapped_cursor = new EditorCursor (*this, X_("snapped"));
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}
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MidiCueEditor::~MidiCueEditor ()
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{
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}
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void
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MidiCueEditor::build_canvas ()
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{
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_canvas_viewport = new ArdourCanvas::GtkCanvasViewport (horizontal_adjustment, vertical_adjustment);
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_canvas = _canvas_viewport->canvas ();
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_canvas->set_background_color (0xff00000a); // UIConfiguration::instance().color ("arrange base"));
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dynamic_cast<ArdourCanvas::GtkCanvas*>(_canvas)->use_nsglview (UIConfiguration::instance().get_nsgl_view_mode () == NSGLHiRes);
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/* scroll group for items that should not automatically scroll
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* (e.g verbose cursor). It shares the canvas coordinate space.
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*/
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no_scroll_group = new ArdourCanvas::Container (_canvas->root());
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ArdourCanvas::ScrollGroup* hsg;
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ArdourCanvas::ScrollGroup* hg;
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ArdourCanvas::ScrollGroup* cg;
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h_scroll_group = hg = new ArdourCanvas::ScrollGroup (_canvas->root(), ArdourCanvas::ScrollGroup::ScrollsHorizontally);
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CANVAS_DEBUG_NAME (h_scroll_group, "canvas h scroll");
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_canvas->add_scroller (*hg);
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hv_scroll_group = hsg = new ArdourCanvas::ScrollGroup (_canvas->root(),
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ArdourCanvas::ScrollGroup::ScrollSensitivity (ArdourCanvas::ScrollGroup::ScrollsVertically|
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ArdourCanvas::ScrollGroup::ScrollsHorizontally));
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CANVAS_DEBUG_NAME (hv_scroll_group, "canvas hv scroll");
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_canvas->add_scroller (*hsg);
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cursor_scroll_group = cg = new ArdourCanvas::ScrollGroup (_canvas->root(), ArdourCanvas::ScrollGroup::ScrollsHorizontally);
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CANVAS_DEBUG_NAME (cursor_scroll_group, "canvas cursor scroll");
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_canvas->add_scroller (*cg);
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/*a group to hold global rects like punch/loop indicators */
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global_rect_group = new ArdourCanvas::Container (hv_scroll_group);
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CANVAS_DEBUG_NAME (global_rect_group, "global rect group");
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transport_loop_range_rect = new ArdourCanvas::Rectangle (global_rect_group, ArdourCanvas::Rect (0.0, 0.0, 0.0, ArdourCanvas::COORD_MAX));
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CANVAS_DEBUG_NAME (transport_loop_range_rect, "loop rect");
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transport_loop_range_rect->hide();
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/*a group to hold time (measure) lines */
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time_line_group = new ArdourCanvas::Container (h_scroll_group);
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CANVAS_DEBUG_NAME (time_line_group, "time line group");
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// used as rubberband rect
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rubberband_rect = new ArdourCanvas::Rectangle (hv_scroll_group, ArdourCanvas::Rect (0.0, 0.0, 0.0, 0.0));
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rubberband_rect->hide();
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bg = new CueMidiBackground (hv_scroll_group);
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_canvas_viewport->signal_size_allocate().connect (sigc::mem_fun(*this, &MidiCueEditor::canvas_allocate));
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}
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void
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MidiCueEditor::canvas_allocate (Gtk::Allocation alloc)
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{
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bg->set_size (alloc.get_width(), alloc.get_height());
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}
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timepos_t
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MidiCueEditor::snap_to_grid (timepos_t const & presnap, Temporal::RoundMode direction, SnapPref gpref) const
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{
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/* BBT time only */
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return snap_to_bbt (presnap, direction, gpref);
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}
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void
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MidiCueEditor::snap_to_internal (timepos_t& start, Temporal::RoundMode direction, SnapPref pref, bool ensure_snap) const
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{
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UIConfiguration const& uic (UIConfiguration::instance ());
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const timepos_t presnap = start;
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timepos_t dist = timepos_t::max (start.time_domain()); // this records the distance of the best snap result we've found so far
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timepos_t best = timepos_t::max (start.time_domain()); // this records the best snap-result we've found so far
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timepos_t pre (presnap);
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timepos_t post (snap_to_grid (pre, direction, pref));
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check_best_snap (presnap, post, dist, best);
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if (timepos_t::max (start.time_domain()) == best) {
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return;
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}
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/* now check "magnetic" state: is the grid within reasonable on-screen distance to trigger a snap?
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* this also helps to avoid snapping to somewhere the user can't see. (i.e.: I clicked on a region and it disappeared!!)
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* ToDo: Perhaps this should only occur if EditPointMouse?
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*/
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samplecnt_t snap_threshold_s = pixel_to_sample (uic.get_snap_threshold ());
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if (!ensure_snap && ::llabs (best.distance (presnap).samples()) > snap_threshold_s) {
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return;
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}
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start = best;
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}
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2024-01-26 22:45:22 -05:00
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void
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MidiCueEditor::reset_zoom (samplecnt_t spp)
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{
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CueEditor::reset_zoom (spp);
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if (view) {
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view->set_samples_per_pixel (spp);
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}
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}
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samplecnt_t
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MidiCueEditor::current_page_samples() const
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{
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return (samplecnt_t) _visible_canvas_width* samples_per_pixel;
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}
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void
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MidiCueEditor::apply_midi_note_edit_op (ARDOUR::MidiOperator& op, const RegionSelection& rs)
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{
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}
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PBD::Command*
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MidiCueEditor::apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv)
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{
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#if 0
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Evoral::Sequence<Temporal::Beats>::Notes selected;
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mrv.selection_as_notelist (selected, true);
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if (selected.empty()) {
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return 0;
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}
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vector<Evoral::Sequence<Temporal::Beats>::Notes> v;
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v.push_back (selected);
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timepos_t pos = mrv.midi_region()->source_position();
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return op (mrv.midi_region()->model(), pos.beats(), v);
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#endif
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return nullptr;
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}
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2024-01-04 21:07:52 -05:00
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bool
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MidiCueEditor::canvas_note_event (GdkEvent* event, ArdourCanvas::Item*)
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{
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return false;
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}
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Gtk::Widget&
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MidiCueEditor::viewport()
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{
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return *_canvas_viewport;
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}
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void
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MidiCueEditor::set_region (std::shared_ptr<ARDOUR::MidiTrack> t, std::shared_ptr<ARDOUR::MidiRegion> r)
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{
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delete view;
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view = nullptr;
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if (!t || !r) {
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return;
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}
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view = new MidiCueView (t, *hv_scroll_group, *this, *bg, 0xff0000ff);
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view->set_region (r);
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2024-01-12 14:51:13 -05:00
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bg->set_view (view);
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/* Compute zoom level to show entire source plus some margin if possible */
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std::shared_ptr<Temporal::TempoMap> map;
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Temporal::timecnt_t duration = Temporal::timecnt_t (r->midi_source()->length().beats());
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/* XXX build tempo map from source */
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map.reset (new Temporal::TempoMap (Temporal::Tempo (120, 4), Temporal::Meter (4, 4)));
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{
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EditingContext::TempoMapScope tms (*this, map);
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double width = bg->width();
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samplecnt_t samples = duration.samples();
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samplecnt_t spp = floor (samples / width);
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reset_zoom (spp);
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}
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}
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