121 lines
3.5 KiB
C++
121 lines
3.5 KiB
C++
/*
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* Copyright (C) 2024 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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#include "ardour/midi_region.h"
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#include "ardour/midi_source.h"
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#include "gtkmm2ext/utils.h"
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#include "canvas/debug.h"
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#include "editing_context.h"
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#include "editor_drag.h"
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#include "keyboard.h"
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#include "midi_cue_view.h"
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#include "pbd/i18n.h"
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using namespace Gtkmm2ext;
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MidiCueView::MidiCueView (std::shared_ptr<ARDOUR::MidiTrack> mt,
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ArdourCanvas::Item& parent,
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EditingContext& ec,
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MidiViewBackground& bg,
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uint32_t basic_color)
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: MidiView (mt, parent, ec, bg, basic_color)
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{
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CANVAS_DEBUG_NAME (_note_group, X_("note group for MIDI cue"));
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/* Containers don't get canvas events, so we need an invisible rect
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* that will. It will be resized as needed sothat it always covers the
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* entire canvas/view.
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*/
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event_rect = new ArdourCanvas::Rectangle (&parent);
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event_rect->set (ArdourCanvas::Rect (0.0, 0.0, ArdourCanvas::COORD_MAX, 10.));
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event_rect->Event.connect (sigc::mem_fun (*this, &MidiCueView::canvas_event));
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event_rect->set_fill (false);
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event_rect->set_outline (false);
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_note_group->raise_to_top ();
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}
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void
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MidiCueView::set_height (double h)
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{
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event_rect->set (ArdourCanvas::Rect (0.0, 0.0, ArdourCanvas::COORD_MAX, h));
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}
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ArdourCanvas::Item*
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MidiCueView::drag_group () const
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{
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return event_rect;
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}
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bool
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MidiCueView::canvas_event (GdkEvent* ev)
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{
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return MidiView::canvas_group_event (ev);
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}
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bool
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MidiCueView::scroll (GdkEventScroll* ev)
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{
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if (_editing_context.drags()->active()) {
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return false;
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}
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if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier) ||
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Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
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switch (ev->direction) {
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case GDK_SCROLL_UP:
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_editing_context.reset_zoom (_editing_context.get_current_zoom() / 2);
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return true;
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case GDK_SCROLL_DOWN:
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_editing_context.reset_zoom (_editing_context.get_current_zoom() * 2);
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return true;
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default:
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return false;
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}
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}
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return MidiView::scroll (ev);
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}
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void
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MidiCueView::set_samples_per_pixel (double spp)
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{
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std::shared_ptr<Temporal::TempoMap> map;
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Temporal::timecnt_t duration;
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if (_midi_region) {
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duration = Temporal::timecnt_t (_midi_region->midi_source()->length().beats());
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map.reset (new Temporal::TempoMap (Temporal::Tempo (120, 4), Temporal::Meter (4, 4)));
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} else {
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duration = Temporal::timecnt_t (Temporal::Beats (4, 0));
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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 (_editing_context, map);
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std::cerr << "for duration of " << duration << " pixels " << _editing_context.duration_to_pixels (duration) << std::endl;
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reset_width_dependent_items (_editing_context.duration_to_pixels (duration));
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}
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