Added primitive (non-undoable, placeholder, etc) quantization. git-svn-id: svn://localhost/ardour2/trunk@2254 d708f5d6-7413-0410-9779-e7cbd77b26cf
644 lines
17 KiB
C++
644 lines
17 KiB
C++
/*
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Copyright (C) 2001-2007 Paul Davis
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Author: Dave Robillard
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <cmath>
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#include <cassert>
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#include <algorithm>
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#include <gtkmm.h>
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#include <gtkmm2ext/gtk_ui.h>
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#include <sigc++/signal.h>
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#include <ardour/playlist.h>
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#include <ardour/tempo.h>
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#include <ardour/midi_region.h>
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#include <ardour/midi_source.h>
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#include <ardour/midi_diskstream.h>
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#include <ardour/midi_events.h>
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#include <ardour/midi_model.h>
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#include "streamview.h"
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#include "midi_region_view.h"
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#include "midi_streamview.h"
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#include "midi_time_axis.h"
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#include "simplerect.h"
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#include "simpleline.h"
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#include "canvas-hit.h"
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#include "public_editor.h"
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#include "ghostregion.h"
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#include "midi_time_axis.h"
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#include "utils.h"
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#include "midi_util.h"
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#include "gui_thread.h"
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#include "keyboard.h"
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#include "i18n.h"
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using namespace sigc;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Editing;
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using namespace ArdourCanvas;
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MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu,
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Gdk::Color& basic_color)
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: RegionView (parent, tv, r, spu, basic_color)
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, _default_note_length(0.0)
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, _active_notes(0)
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, _delta_command(NULL)
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, _command_mode(None)
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{
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}
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MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu,
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Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
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: RegionView (parent, tv, r, spu, basic_color, visibility)
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, _default_note_length(0.0)
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, _active_notes(0)
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, _delta_command(NULL)
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, _command_mode(None)
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{
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}
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void
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MidiRegionView::init (Gdk::Color& basic_color, bool wfd)
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{
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if (wfd)
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midi_region()->midi_source(0)->load_model();
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const Meter& m = trackview.session().tempo_map().meter_at(_region->start());
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const Tempo& t = trackview.session().tempo_map().tempo_at(_region->start());
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_default_note_length = m.frames_per_bar(t, trackview.session().frame_rate())
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/ m.beats_per_bar();
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_model = midi_region()->midi_source(0)->model();
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_enable_display = false;
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RegionView::init(basic_color, false);
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compute_colors (basic_color);
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reset_width_dependent_items ((double) _region->length() / samples_per_unit);
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set_y_position_and_height (0, trackview.height);
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region_muted ();
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region_resized (BoundsChanged);
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region_locked ();
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_region->StateChanged.connect (mem_fun(*this, &MidiRegionView::region_changed));
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set_colors ();
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_enable_display = true;
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if (_model) {
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if (wfd) {
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redisplay_model();
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}
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_model->ContentsChanged.connect(sigc::mem_fun(this, &MidiRegionView::redisplay_model));
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}
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group->signal_event().connect (mem_fun (this, &MidiRegionView::canvas_event), false);
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}
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bool
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MidiRegionView::canvas_event(GdkEvent* ev)
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{
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enum State { None, Pressed, SelectDragging, AddDragging };
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static int press_button = 0;
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static State _state;
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static double drag_start_x, drag_start_y;
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static double last_x, last_y;
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double event_x, event_y;
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static ArdourCanvas::SimpleRect* drag_rect = NULL;
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if (trackview.editor.current_mouse_mode() != MouseNote)
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return false;
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switch (ev->type) {
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case GDK_KEY_PRESS:
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if (ev->key.keyval == GDK_Delete)
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start_remove_command();
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break;
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case GDK_KEY_RELEASE:
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if (_command_mode == Remove && ev->key.keyval == GDK_Delete) {
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delete_selection();
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apply_command();
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}
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break;
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case GDK_BUTTON_PRESS:
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//group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, ev->button.time);
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_state = Pressed;
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press_button = ev->button.button;
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//cerr << "PRESSED: " << press_button << endl;
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return true;
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case GDK_ENTER_NOTIFY:
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/* FIXME: do this on switch to note tool, too, if the pointer is already in */
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Keyboard::magic_widget_grab_focus();
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group->grab_focus();
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break;
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case GDK_MOTION_NOTIFY:
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event_x = ev->motion.x;
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event_y = ev->motion.y;
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group->w2i(event_x, event_y);
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switch (_state) {
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case Pressed: // Drag start
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if (press_button == 1 && _command_mode != Remove) { // Select rect start
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group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
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Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
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last_x = event_x;
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last_y = event_y;
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drag_start_x = event_x;
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drag_start_y = event_y;
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drag_rect = new ArdourCanvas::SimpleRect(*group);
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drag_rect->property_x1() = event_x;
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drag_rect->property_y1() = event_y;
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drag_rect->property_x2() = event_x;
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drag_rect->property_y2() = event_y;
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drag_rect->property_outline_what() = 0xFF;
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drag_rect->property_outline_color_rgba()
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= ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
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drag_rect->property_fill_color_rgba()
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= ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
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_state = SelectDragging;
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return true;
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} else if (press_button == 3) { // Add note drag start
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group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
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Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
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last_x = event_x;
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last_y = event_y;
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drag_start_x = event_x;
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drag_start_y = event_y;
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nframes_t event_frame = midi_view()->editor.pixel_to_frame(event_x);
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midi_view()->editor.snap_to(event_frame);
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drag_rect = new ArdourCanvas::SimpleRect(*group);
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drag_rect->property_x1() = midi_view()->editor.frame_to_pixel(event_frame);
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drag_rect->property_y1() = midi_stream_view()->note_to_y(midi_stream_view()->y_to_note(event_y));
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drag_rect->property_x2() = event_x;
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drag_rect->property_y2() = drag_rect->property_y1() + floor(midi_stream_view()->note_height());
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drag_rect->property_outline_what() = 0xFF;
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drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
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drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
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_state = AddDragging;
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return true;
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}
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break;
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case SelectDragging: // Select rect motion
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case AddDragging: // Add note rect motion
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if (ev->motion.is_hint) {
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int t_x;
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int t_y;
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GdkModifierType state;
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gdk_window_get_pointer(ev->motion.window, &t_x, &t_y, &state);
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event_x = t_x;
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event_y = t_y;
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}
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if (_state == AddDragging) {
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nframes_t event_frame = midi_view()->editor.pixel_to_frame(event_x);
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midi_view()->editor.snap_to(event_frame);
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event_x = midi_view()->editor.frame_to_pixel(event_frame);
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}
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if (drag_rect)
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drag_rect->property_x2() = event_x;
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if (drag_rect && _state == SelectDragging)
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drag_rect->property_y2() = event_y;
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last_x = event_x;
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last_y = event_y;
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return true;
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default:
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_state = None;
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break;
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}
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break;
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case GDK_BUTTON_RELEASE:
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event_x = ev->motion.x;
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event_y = ev->motion.y;
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group->w2i(event_x, event_y);
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group->ungrab(ev->button.time);
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switch (_state) {
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case Pressed: // Clicked
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if (ev->button.button == 1) {
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clear_selection();
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} else if (ev->button.button == 3) {
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nframes_t event_frame = midi_view()->editor.pixel_to_frame(event_x);
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midi_view()->editor.snap_to(event_frame);
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event_x = midi_view()->editor.frame_to_pixel(event_frame);
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create_note_at(event_x, event_y, _default_note_length);
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}
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_state = None;
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return true;
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case SelectDragging: // Select drag done
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_state = None;
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delete drag_rect;
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drag_rect = NULL;
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return true;
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case AddDragging: // Add drag done
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_state = None;
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if (drag_rect->property_x2() > drag_rect->property_x1() + 2) {
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create_note_at(drag_rect->property_x1(), drag_rect->property_y1(),
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trackview.editor.pixel_to_frame(
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drag_rect->property_x2() - drag_rect->property_x1()));
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}
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delete drag_rect;
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drag_rect = NULL;
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return true;
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default:
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break;
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}
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default:
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break;
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}
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return false;
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}
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/** Add a note to the model, and the view, at a canvas (click) coordinate */
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void
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MidiRegionView::create_note_at(double x, double y, double dur)
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{
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MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
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MidiStreamView* const view = mtv->midi_view();
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double note = midi_stream_view()->y_to_note(y);
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assert(note >= 0.0);
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assert(note <= 127.0);
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const nframes_t stamp = trackview.editor.pixel_to_frame (x);
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assert(stamp >= 0);
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//assert(stamp <= _region->length());
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//const Meter& m = trackview.session().tempo_map().meter_at(stamp);
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//const Tempo& t = trackview.session().tempo_map().tempo_at(stamp);
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//double dur = m.frames_per_bar(t, trackview.session().frame_rate()) / m.beats_per_bar();
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// Add a 1 beat long note (for now)
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const MidiModel::Note new_note(stamp, dur, (uint8_t)note, 0x40);
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view->update_bounds(new_note.note());
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MidiModel::DeltaCommand* cmd = _model->new_delta_command("add note");
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cmd->add(new_note);
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_model->apply_command(cmd);
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//add_note(new_note);
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}
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void
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MidiRegionView::clear_events()
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{
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for (std::vector<ArdourCanvas::Item*>::iterator i = _events.begin(); i != _events.end(); ++i)
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delete *i;
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_events.clear();
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}
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void
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MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
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{
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_model = model;
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if (_enable_display)
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redisplay_model();
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}
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void
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MidiRegionView::redisplay_model()
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{
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clear_events();
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if (_model) {
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begin_write();
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for (size_t i=0; i < _model->n_notes(); ++i)
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add_note(_model->note_at(i));
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end_write();
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} else {
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warning << "MidiRegionView::redisplay_model called without a model" << endmsg;
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}
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}
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MidiRegionView::~MidiRegionView ()
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{
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in_destructor = true;
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end_write();
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RegionViewGoingAway (this); /* EMIT_SIGNAL */
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}
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void
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MidiRegionView::region_resized (Change what_changed)
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{
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RegionView::region_resized(what_changed);
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if (what_changed & ARDOUR::PositionChanged) {
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if (_enable_display)
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redisplay_model();
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} else if (what_changed & Change (StartChanged)) {
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//cerr << "MIDI RV START CHANGED" << endl;
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} else if (what_changed & Change (LengthChanged)) {
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//cerr << "MIDI RV LENGTH CHANGED" << endl;
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}
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}
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void
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MidiRegionView::reset_width_dependent_items (double pixel_width)
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{
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RegionView::reset_width_dependent_items(pixel_width);
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assert(_pixel_width == pixel_width);
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if (_enable_display)
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redisplay_model();
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}
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void
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MidiRegionView::set_y_position_and_height (double y, double h)
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{
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RegionView::set_y_position_and_height(y, h - 1);
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if (_enable_display)
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redisplay_model();
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if (name_text) {
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name_text->raise_to_top();
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}
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}
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GhostRegion*
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MidiRegionView::add_ghost (AutomationTimeAxisView& atv)
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{
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RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
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assert(rtv);
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double unit_position = _region->position () / samples_per_unit;
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GhostRegion* ghost = new GhostRegion (atv, unit_position);
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ghost->set_height ();
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ghost->set_duration (_region->length() / samples_per_unit);
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ghosts.push_back (ghost);
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ghost->GoingAway.connect (mem_fun(*this, &MidiRegionView::remove_ghost));
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return ghost;
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}
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/** Begin tracking note state for successive calls to add_event
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*/
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void
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MidiRegionView::begin_write()
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{
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_active_notes = new CanvasNote*[128];
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for (unsigned i=0; i < 128; ++i)
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_active_notes[i] = NULL;
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}
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/** Destroy note state for add_event
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*/
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void
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MidiRegionView::end_write()
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{
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delete[] _active_notes;
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_active_notes = NULL;
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}
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/** Add a MIDI event.
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*
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* This is used while recording, and handles displaying still-unresolved notes.
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* Displaying an existing model is simpler, and done with add_note.
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*/
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void
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MidiRegionView::add_event (const MidiEvent& ev)
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{
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/*printf("Event, time = %f, size = %zu, data = ", ev.time, ev.size);
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for (size_t i=0; i < ev.size; ++i) {
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printf("%X ", ev.buffer[i]);
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}
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printf("\n\n");*/
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ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
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if (midi_view()->note_mode() == Sustained) {
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if ((ev.buffer()[0] & 0xF0) == MIDI_CMD_NOTE_ON) {
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const Byte& note = ev.buffer()[1];
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const double y1 = midi_stream_view()->note_to_y(note);
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CanvasNote* ev_rect = new CanvasNote(*this, *group);
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ev_rect->property_x1() = trackview.editor.frame_to_pixel (
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(nframes_t)ev.time());
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ev_rect->property_y1() = y1;
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ev_rect->property_x2() = trackview.editor.frame_to_pixel (
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_region->length());
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ev_rect->property_y2() = y1 + floor(midi_stream_view()->note_height());
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ev_rect->property_fill_color_rgba() = note_fill_color(ev.velocity());
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ev_rect->property_outline_color_rgba() = note_outline_color(ev.velocity());
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/* outline all but right edge */
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ev_rect->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
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ev_rect->raise_to_top();
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_events.push_back(ev_rect);
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if (_active_notes)
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_active_notes[note] = ev_rect;
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} else if ((ev.buffer()[0] & 0xF0) == MIDI_CMD_NOTE_OFF) {
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const Byte& note = ev.buffer()[1];
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if (_active_notes && _active_notes[note]) {
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_active_notes[note]->property_x2() = trackview.editor.frame_to_pixel((nframes_t)ev.time());
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_active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
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_active_notes[note] = NULL;
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}
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}
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} else if (midi_view()->note_mode() == Percussive) {
|
|
const Byte& note = ev.buffer()[1];
|
|
const double diamond_size = midi_stream_view()->note_height() / 2.0;
|
|
const double x = trackview.editor.frame_to_pixel((nframes_t)ev.time());
|
|
const double y = midi_stream_view()->note_to_y(note) + ((diamond_size-2) / 4.0);
|
|
|
|
CanvasHit* ev_diamond = new CanvasHit(*this, *group, diamond_size);
|
|
ev_diamond->move(x, y);
|
|
ev_diamond->show();
|
|
ev_diamond->property_fill_color_rgba() = note_fill_color(ev.velocity());
|
|
ev_diamond->property_outline_color_rgba() = note_outline_color(ev.velocity());
|
|
|
|
_events.push_back(ev_diamond);
|
|
}
|
|
}
|
|
|
|
|
|
/** Extend active notes to rightmost edge of region (if length is changed)
|
|
*/
|
|
void
|
|
MidiRegionView::extend_active_notes()
|
|
{
|
|
if (!_active_notes)
|
|
return;
|
|
|
|
for (unsigned i=0; i < 128; ++i)
|
|
if (_active_notes[i])
|
|
_active_notes[i]->property_x2() = trackview.editor.frame_to_pixel(_region->length());
|
|
}
|
|
|
|
|
|
/** Add a MIDI note to the view (with duration).
|
|
*
|
|
* This does no 'realtime' note resolution, notes from a MidiModel have a
|
|
* duration so they can be drawn in full immediately.
|
|
*/
|
|
void
|
|
MidiRegionView::add_note (const MidiModel::Note& note)
|
|
{
|
|
assert(note.time() >= 0);
|
|
assert(note.time() < _region->length());
|
|
|
|
ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
|
|
|
|
if (midi_view()->note_mode() == Sustained) {
|
|
const double y1 = midi_stream_view()->note_to_y(note.note());
|
|
|
|
ArdourCanvas::SimpleRect * ev_rect = new CanvasNote(*this, *group, ¬e);
|
|
ev_rect->property_x1() = trackview.editor.frame_to_pixel((nframes_t)note.time());
|
|
ev_rect->property_y1() = y1;
|
|
ev_rect->property_x2() = trackview.editor.frame_to_pixel((nframes_t)(note.end_time()));
|
|
ev_rect->property_y2() = y1 + floor(midi_stream_view()->note_height());
|
|
|
|
ev_rect->property_fill_color_rgba() = note_fill_color(note.velocity());
|
|
ev_rect->property_outline_color_rgba() = note_outline_color(note.velocity());
|
|
ev_rect->property_outline_what() = (guint32) 0xF; // all edges
|
|
|
|
ev_rect->show();
|
|
_events.push_back(ev_rect);
|
|
|
|
} else if (midi_view()->note_mode() == Percussive) {
|
|
const double diamond_size = midi_stream_view()->note_height() / 2.0;
|
|
const double x = trackview.editor.frame_to_pixel((nframes_t)note.time());
|
|
const double y = midi_stream_view()->note_to_y(note.note()) + ((diamond_size-2) / 4.0);
|
|
|
|
CanvasHit* ev_diamond = new CanvasHit(*this, *group, diamond_size);
|
|
ev_diamond->move(x, y);
|
|
ev_diamond->show();
|
|
ev_diamond->property_fill_color_rgba() = note_fill_color(note.velocity());
|
|
ev_diamond->property_outline_color_rgba() = note_outline_color(note.velocity());
|
|
_events.push_back(ev_diamond);
|
|
}
|
|
}
|
|
|
|
void
|
|
MidiRegionView::delete_selection()
|
|
{
|
|
assert(_delta_command);
|
|
|
|
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
|
|
if ((*i)->selected())
|
|
_delta_command->remove(*(*i)->note());
|
|
|
|
_selection.clear();
|
|
}
|
|
|
|
void
|
|
MidiRegionView::clear_selection_except(ArdourCanvas::CanvasMidiEvent* ev)
|
|
{
|
|
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
|
|
if ((*i)->selected() && (*i) != ev)
|
|
(*i)->selected(false);
|
|
|
|
_selection.clear();
|
|
}
|
|
|
|
void
|
|
MidiRegionView::unique_select(ArdourCanvas::CanvasMidiEvent* ev)
|
|
{
|
|
for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
|
|
if ((*i) != ev)
|
|
(*i)->selected(false);
|
|
|
|
_selection.clear();
|
|
_selection.insert(ev);
|
|
ev->selected(true);
|
|
}
|
|
|
|
void
|
|
MidiRegionView::note_selected(ArdourCanvas::CanvasMidiEvent* ev, bool add)
|
|
{
|
|
if ( ! add)
|
|
clear_selection_except(ev);
|
|
|
|
_selection.insert(ev);
|
|
ev->selected(true);
|
|
}
|
|
|
|
|
|
void
|
|
MidiRegionView::note_deselected(ArdourCanvas::CanvasMidiEvent* ev, bool add)
|
|
{
|
|
if ( ! add)
|
|
clear_selection_except(ev);
|
|
|
|
_selection.erase(ev);
|
|
ev->selected(false);
|
|
}
|
|
|
|
|