401 lines
14 KiB
C++
401 lines
14 KiB
C++
/*
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Copyright (C) 2001-2007 Paul Davis
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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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#ifndef __gtk_ardour_midi_region_view_h__
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#define __gtk_ardour_midi_region_view_h__
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#include <string>
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#include <vector>
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#include <libgnomecanvasmm.h>
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#include <libgnomecanvasmm/polygon.h>
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#include "ardour/midi_track.h"
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#include "ardour/midi_region.h"
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#include "ardour/midi_model.h"
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#include "ardour/diskstream.h"
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#include "ardour/types.h"
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#include "editing.h"
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#include "region_view.h"
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#include "midi_time_axis.h"
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#include "time_axis_view_item.h"
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#include "automation_line.h"
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#include "enums.h"
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#include "canvas.h"
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#include "canvas-hit.h"
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#include "canvas-note.h"
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#include "canvas-note-event.h"
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#include "canvas-program-change.h"
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#include "canvas-sysex.h"
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namespace ARDOUR {
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class MidiRegion;
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class MidiModel;
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class Filter;
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};
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namespace MIDI {
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namespace Name {
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struct PatchPrimaryKey;
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};
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};
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class MidiTimeAxisView;
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class GhostRegion;
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class AutomationTimeAxisView;
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class AutomationRegionView;
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class MidiCutBuffer;
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class MidiRegionView : public RegionView
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{
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public:
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typedef Evoral::Note<Evoral::MusicalTime> NoteType;
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typedef Evoral::Sequence<Evoral::MusicalTime>::Notes NoteList;
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MidiRegionView (ArdourCanvas::Group *,
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RouteTimeAxisView&,
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boost::shared_ptr<ARDOUR::MidiRegion>,
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double initial_samples_per_unit,
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Gdk::Color const & basic_color);
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MidiRegionView (const MidiRegionView& other);
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MidiRegionView (const MidiRegionView& other, boost::shared_ptr<ARDOUR::MidiRegion>);
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~MidiRegionView ();
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virtual void init (Gdk::Color const & basic_color, bool wfd);
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inline const boost::shared_ptr<ARDOUR::MidiRegion> midi_region() const
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{ return boost::dynamic_pointer_cast<ARDOUR::MidiRegion>(_region); }
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inline MidiTimeAxisView* midi_view() const
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{ return dynamic_cast<MidiTimeAxisView*>(&trackview); }
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inline MidiStreamView* midi_stream_view() const
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{ return midi_view()->midi_view(); }
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void add_note (uint8_t channel, uint8_t number, uint8_t velocity,
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Evoral::MusicalTime pos, Evoral::MusicalTime len);
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void set_height (double);
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void apply_note_range(uint8_t lowest, uint8_t highest, bool force=false);
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inline ARDOUR::ColorMode color_mode() const { return midi_view()->color_mode(); }
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void set_frame_color();
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void redisplay_model();
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GhostRegion* add_ghost (TimeAxisView&);
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void add_note(const boost::shared_ptr<NoteType> note, bool visible);
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void resolve_note(uint8_t note_num, double end_time);
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void cut_copy_clear (Editing::CutCopyOp);
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void paste (nframes64_t pos, float times, const MidiCutBuffer&);
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struct PCEvent {
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PCEvent(double a_time, uint8_t a_value, uint8_t a_channel)
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: time(a_time), value(a_value), channel(a_channel) {}
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double time;
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uint8_t value;
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uint8_t channel;
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};
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/** Add a new program change flag to the canvas.
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* @param program the MidiRegionView::PCEvent to add
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* @param the text to display in the flag
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*/
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void add_pgm_change(PCEvent& program, const std::string& displaytext);
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/** Look up the given time and channel in the 'automation' and set keys accordingly.
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* @param time the time of the program change event
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* @param channel the MIDI channel of the event
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* @key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
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* will be set according to the result of the lookup
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*/
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void get_patch_key_at(double time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key);
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/** Change the 'automation' data of old_program to new values which correspond to new_patch.
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* @param old_program the program change event which is to be altered
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* @param new_patch the new lsb, msb and program number which are to be set
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*/
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void alter_program_change(PCEvent& old_program, const MIDI::Name::PatchPrimaryKey& new_patch);
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/** Alter a given program to the new given one.
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* (Called on context menu select on CanvasProgramChange)
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*/
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void program_selected(
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ArdourCanvas::CanvasProgramChange& program,
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const MIDI::Name::PatchPrimaryKey& new_patch);
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/** Alter a given program to be its predecessor in the MIDNAM file.
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*/
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void previous_program(ArdourCanvas::CanvasProgramChange& program);
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/** Alters a given program to be its successor in the MIDNAM file.
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*/
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void next_program(ArdourCanvas::CanvasProgramChange& program);
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/** Displays all program change events in the region as flags on the canvas.
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*/
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void display_program_changes();
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/** Displays all system exclusive events in the region as flags on the canvas.
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*/
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void display_sysexes();
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void begin_write();
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void end_write();
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void extend_active_notes();
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void create_note_at(double x, double y, double length);
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void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
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void start_delta_command(std::string name = "midi edit");
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void delta_add_note(const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity=false);
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void delta_remove_note(ArdourCanvas::CanvasNoteEvent* ev);
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void start_diff_command(std::string name = "midi edit");
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void diff_add_change(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::DiffCommand::Property, uint8_t val);
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void diff_add_change(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::DiffCommand::Property, Evoral::MusicalTime val);
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void apply_delta();
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void apply_diff();
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void apply_delta_as_subcommand();
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void apply_diff_as_subcommand();
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void abort_command();
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void note_entered(ArdourCanvas::CanvasNoteEvent* ev);
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void note_left(ArdourCanvas::CanvasNoteEvent* ev);
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void unique_select(ArdourCanvas::CanvasNoteEvent* ev);
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void note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend=false);
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void note_deselected(ArdourCanvas::CanvasNoteEvent* ev);
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void delete_selection();
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size_t selection_size() { return _selection.size(); }
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void move_selection(double dx, double dy);
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void note_dropped(ArdourCanvas::CanvasNoteEvent* ev, double d_pixels, int8_t d_note);
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/** Return true iff the note is within the extent of the region.
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* @param visible will be set to true if the note is within the visible note range, false otherwise.
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*/
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bool note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const;
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/** Get the region position in pixels relative to session. */
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double get_position_pixels();
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/** Get the region end position in pixels relative to session. */
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double get_end_position_pixels();
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/** Begin resizing of some notes.
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* Called by CanvasMidiNote when resizing starts.
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* @param at_front which end of the note (true == note on, false == note off)
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*/
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void begin_resizing(bool at_front);
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/** Update resizing notes while user drags.
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* @param at_front which end of the note (true == note on, false == note off)
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* @param x the difference in mouse motion, ie the motion difference if relative=true
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* or the absolute mouse position (track-relative) if relative is false
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* @param relative true if relative resizing is taking place, false if absolute resizing
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*/
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void update_resizing(bool at_front, double x, bool relative);
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/** Finish resizing notes when the user releases the mouse button.
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* @param at_front which end of the note (true == note on, false == note off)
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* @param event_x the absolute mouse position (track-relative)
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* @param relative true if relative resizing is taking place, false if absolute resizing
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*/
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void commit_resizing(bool at_front, double event_x, bool relative);
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/** Adjust the velocity on a note, and the selection if applicable.
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* @param velocity the relative or absolute velocity
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* @param relative whether velocity is relative or absolute
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*/
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void change_velocity(ArdourCanvas::CanvasNoteEvent* ev, int8_t velocity, bool relative=false);
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/** Change the channel of the selection.
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* @param channel - the channel number of the new channel, zero-based
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*/
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void change_channel(uint8_t channel);
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enum MouseState {
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None,
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Pressed,
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SelectTouchDragging,
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SelectRectDragging,
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AddDragging
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};
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MouseState mouse_state() const { return _mouse_state; }
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struct NoteResizeData {
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ArdourCanvas::CanvasNote *canvas_note;
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ArdourCanvas::SimpleRect *resize_rect;
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};
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/** Snap a region relative pixel coordinate to pixel units.
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* @param x a pixel coordinate relative to region start
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* @return the snapped pixel coordinate relative to region start
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*/
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double snap_to_pixel(double x);
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/** Snap a region relative pixel coordinate to frame units.
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* @param x a pixel coordinate relative to region start
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* @return the snapped nframes64_t coordinate relative to region start
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*/
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nframes64_t snap_pixel_to_frame(double x);
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/** Snap a region relative frame coordinate to frame units.
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* @param x a pixel coordinate relative to region start
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* @return the snapped nframes64_t coordinate relative to region start
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*/
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nframes64_t snap_frame_to_frame(nframes64_t x);
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/** Convert a timestamp in beats to frames (both relative to region start) */
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nframes64_t beats_to_frames(double beats) const;
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/** Convert a timestamp in frames to beats (both relative to region start) */
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double frames_to_beats(nframes64_t beats) const;
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void goto_previous_note ();
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void goto_next_note ();
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void change_note_lengths (bool, bool, bool start, bool end);
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void change_velocities (bool up, bool fine, bool allow_smush);
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void transpose (bool up, bool fine, bool allow_smush);
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void nudge_notes (bool forward);
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void show_list_editor ();
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void selection_as_notelist (NoteList& selected);
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protected:
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/** Allows derived types to specify their visibility requirements
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* to the TimeAxisViewItem parent class.
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*/
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MidiRegionView (ArdourCanvas::Group *,
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RouteTimeAxisView&,
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boost::shared_ptr<ARDOUR::MidiRegion>,
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double samples_per_unit,
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Gdk::Color& basic_color,
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TimeAxisViewItem::Visibility);
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void region_resized (ARDOUR::Change);
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void set_flags (XMLNode *);
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void store_flags ();
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void reset_width_dependent_items (double pixel_width);
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private:
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/** Play the NoteOn event of the given note immediately
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* and schedule the playback of the corresponding NoteOff event.
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*/
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void play_midi_note(boost::shared_ptr<NoteType> note);
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/** Play the NoteOff-Event of the given note immediately
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* (scheduled by @ref play_midi_note()).
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*/
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bool play_midi_note_off(boost::shared_ptr<NoteType> note);
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void clear_events();
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void switch_source(boost::shared_ptr<ARDOUR::Source> src);
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bool canvas_event(GdkEvent* ev);
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bool note_canvas_event(GdkEvent* ev);
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void midi_channel_mode_changed(ARDOUR::ChannelMode mode, uint16_t mask);
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void midi_patch_settings_changed(std::string model, std::string custom_device_mode);
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void change_note_velocity(ArdourCanvas::CanvasNoteEvent* ev, int8_t vel, bool relative=false);
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void change_note_note(ArdourCanvas::CanvasNoteEvent* ev, int8_t note, bool relative=false);
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void change_note_time(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
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void trim_note(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType start_delta,
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ARDOUR::MidiModel::TimeType end_delta);
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void clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev);
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void clear_selection() { clear_selection_except(NULL); }
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void update_drag_selection(double last_x, double x, double last_y, double y);
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void add_to_selection (ArdourCanvas::CanvasNoteEvent*);
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void remove_from_selection (ArdourCanvas::CanvasNoteEvent*);
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int8_t _force_channel;
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uint16_t _last_channel_selection;
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double _default_note_length;
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uint8_t _current_range_min;
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uint8_t _current_range_max;
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/// MIDNAM information of the current track: Model name of MIDNAM file
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std::string _model_name;
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/// MIDNAM information of the current track: CustomDeviceMode
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std::string _custom_device_mode;
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typedef std::list<ArdourCanvas::CanvasNoteEvent*> Events;
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typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasProgramChange> > PgmChanges;
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typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasSysEx> > SysExes;
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boost::shared_ptr<ARDOUR::MidiModel> _model;
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Events _events;
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PgmChanges _pgm_changes;
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SysExes _sys_exes;
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ArdourCanvas::CanvasNote** _active_notes;
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ArdourCanvas::Group* _note_group;
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ARDOUR::MidiModel::DeltaCommand* _delta_command;
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ARDOUR::MidiModel::DiffCommand* _diff_command;
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MouseState _mouse_state;
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int _pressed_button;
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typedef std::set<ArdourCanvas::CanvasNoteEvent*> Selection;
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/// Currently selected CanvasNoteEvents
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Selection _selection;
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bool _sort_needed;
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void time_sort_events ();
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MidiCutBuffer* selection_as_cut_buffer () const;
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/** New notes (created in the current command) which should be selected
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* when they appear after the command is applied. */
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std::set< boost::shared_ptr<NoteType> > _marked_for_selection;
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/** New notes (created in the current command) which should have visible velocity
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* when they appear after the command is applied. */
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std::set< boost::shared_ptr<NoteType> > _marked_for_velocity;
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std::vector<NoteResizeData *> _resize_data;
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/* connection used to connect to model's ContentChanged signal */
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sigc::connection content_connection;
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ArdourCanvas::CanvasNoteEvent* find_canvas_note (boost::shared_ptr<NoteType>);
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Events::iterator _optimization_iterator;
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void update_note (ArdourCanvas::CanvasNote*);
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void update_hit (ArdourCanvas::CanvasHit*);
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};
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#endif /* __gtk_ardour_midi_region_view_h__ */
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