/* Copyright (C) 2001-2007 Paul Davis This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __gtk_ardour_midi_region_view_h__ #define __gtk_ardour_midi_region_view_h__ #include #include #include #include #include "pbd/signals.h" #include "ardour/midi_track.h" #include "ardour/midi_region.h" #include "ardour/midi_model.h" #include "ardour/diskstream.h" #include "ardour/types.h" #include "editing.h" #include "region_view.h" #include "midi_time_axis.h" #include "time_axis_view_item.h" #include "automation_line.h" #include "enums.h" #include "canvas.h" #include "canvas-hit.h" #include "canvas-note.h" #include "canvas-note-event.h" #include "canvas-program-change.h" #include "canvas-sysex.h" namespace ARDOUR { class MidiRegion; class MidiModel; class Filter; }; namespace MIDI { namespace Name { struct PatchPrimaryKey; }; }; class MidiTimeAxisView; class GhostRegion; class AutomationTimeAxisView; class AutomationRegionView; class MidiCutBuffer; class MidiListEditor; class MidiRegionView : public RegionView { public: typedef Evoral::Note NoteType; typedef Evoral::Sequence::Notes Notes; MidiRegionView (ArdourCanvas::Group *, RouteTimeAxisView&, boost::shared_ptr, double initial_samples_per_unit, Gdk::Color const & basic_color); MidiRegionView (const MidiRegionView& other); MidiRegionView (const MidiRegionView& other, boost::shared_ptr); ~MidiRegionView (); virtual void init (Gdk::Color const & basic_color, bool wfd); inline const boost::shared_ptr midi_region() const { return boost::dynamic_pointer_cast(_region); } inline MidiTimeAxisView* midi_view() const { return dynamic_cast(&trackview); } inline MidiStreamView* midi_stream_view() const { return midi_view()->midi_view(); } void add_note (uint8_t channel, uint8_t number, uint8_t velocity, Evoral::MusicalTime pos, Evoral::MusicalTime len); void set_height (double); void apply_note_range(uint8_t lowest, uint8_t highest, bool force=false); inline ARDOUR::ColorMode color_mode() const { return midi_view()->color_mode(); } void set_frame_color(); void redisplay_model(); GhostRegion* add_ghost (TimeAxisView&); void add_note(const boost::shared_ptr note, bool visible); void resolve_note(uint8_t note_num, double end_time); void cut_copy_clear (Editing::CutCopyOp); void paste (nframes64_t pos, float times, const MidiCutBuffer&); struct PCEvent { PCEvent(double a_time, uint8_t a_value, uint8_t a_channel) : time(a_time), value(a_value), channel(a_channel) {} double time; uint8_t value; uint8_t channel; }; /** Add a new program change flag to the canvas. * @param program the MidiRegionView::PCEvent to add * @param the text to display in the flag */ void add_pgm_change(PCEvent& program, const std::string& displaytext); /** Look up the given time and channel in the 'automation' and set keys accordingly. * @param time the time of the program change event * @param channel the MIDI channel of the event * @key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will * will be set according to the result of the lookup */ void get_patch_key_at(double time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key); /** Change the 'automation' data of old_program to new values which correspond to new_patch. * @param old_program the program change event which is to be altered * @param new_patch the new lsb, msb and program number which are to be set */ void alter_program_change(PCEvent& old_program, const MIDI::Name::PatchPrimaryKey& new_patch); /** Alter a given program to the new given one. * (Called on context menu select on CanvasProgramChange) */ void program_selected( ArdourCanvas::CanvasProgramChange& program, const MIDI::Name::PatchPrimaryKey& new_patch); /** Alter a given program to be its predecessor in the MIDNAM file. */ void previous_program(ArdourCanvas::CanvasProgramChange& program); /** Alters a given program to be its successor in the MIDNAM file. */ void next_program(ArdourCanvas::CanvasProgramChange& program); /** Displays all program change events in the region as flags on the canvas. */ void display_program_changes(); /** Displays all system exclusive events in the region as flags on the canvas. */ void display_sysexes(); void begin_write(); void end_write(); void extend_active_notes(); void create_note_at(double x, double y, double length); void display_model(boost::shared_ptr model); void start_delta_command(std::string name = "midi edit"); void delta_add_note(const boost::shared_ptr note, bool selected, bool show_velocity=false); void delta_remove_note(ArdourCanvas::CanvasNoteEvent* ev); void start_diff_command(std::string name = "midi edit"); void diff_add_change(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::DiffCommand::Property, uint8_t val); void diff_add_change(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::DiffCommand::Property, Evoral::MusicalTime val); void apply_delta(); void apply_diff(); void apply_delta_as_subcommand(); void apply_diff_as_subcommand(); void abort_command(); void note_entered(ArdourCanvas::CanvasNoteEvent* ev); void note_left(ArdourCanvas::CanvasNoteEvent* ev); void unique_select(ArdourCanvas::CanvasNoteEvent* ev); void note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend=false); void note_deselected(ArdourCanvas::CanvasNoteEvent* ev); void delete_selection(); size_t selection_size() { return _selection.size(); } void move_selection(double dx, double dy); void note_dropped(ArdourCanvas::CanvasNoteEvent* ev, double d_pixels, int8_t d_note); void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend); void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask); /** Return true iff the note is within the extent of the region. * @param visible will be set to true if the note is within the visible note range, false otherwise. */ bool note_in_region_range(const boost::shared_ptr note, bool& visible) const; /** Get the region position in pixels relative to session. */ double get_position_pixels(); /** Get the region end position in pixels relative to session. */ double get_end_position_pixels(); /** Begin resizing of some notes. * Called by CanvasMidiNote when resizing starts. * @param at_front which end of the note (true == note on, false == note off) */ void begin_resizing(bool at_front); /** Update resizing notes while user drags. * @param at_front which end of the note (true == note on, false == note off) * @param x the difference in mouse motion, ie the motion difference if relative=true * or the absolute mouse position (track-relative) if relative is false * @param relative true if relative resizing is taking place, false if absolute resizing */ void update_resizing(bool at_front, double x, bool relative); /** Finish resizing notes when the user releases the mouse button. * @param at_front which end of the note (true == note on, false == note off) * @param event_x the absolute mouse position (track-relative) * @param relative true if relative resizing is taking place, false if absolute resizing */ void commit_resizing(bool at_front, double event_x, bool relative); /** Adjust the velocity on a note, and the selection if applicable. * @param velocity the relative or absolute velocity * @param relative whether velocity is relative or absolute */ void change_velocity(ArdourCanvas::CanvasNoteEvent* ev, int8_t velocity, bool relative=false); /** Change the channel of the selection. * @param channel - the channel number of the new channel, zero-based */ void change_channel(uint8_t channel); enum MouseState { None, Pressed, SelectTouchDragging, SelectRectDragging, AddDragging }; MouseState mouse_state() const { return _mouse_state; } struct NoteResizeData { ArdourCanvas::CanvasNote *canvas_note; ArdourCanvas::SimpleRect *resize_rect; }; /** Snap a region relative pixel coordinate to pixel units. * @param x a pixel coordinate relative to region start * @return the snapped pixel coordinate relative to region start */ double snap_to_pixel(double x); /** Snap a region relative pixel coordinate to frame units. * @param x a pixel coordinate relative to region start * @return the snapped nframes64_t coordinate relative to region start */ nframes64_t snap_pixel_to_frame(double x); /** Snap a region relative frame coordinate to frame units. * @param x a pixel coordinate relative to region start * @return the snapped nframes64_t coordinate relative to region start */ nframes64_t snap_frame_to_frame(nframes64_t x); /** Convert a timestamp in beats to frames (both relative to region start) */ nframes64_t beats_to_frames(double beats) const; /** Convert a timestamp in frames to beats (both relative to region start) */ double frames_to_beats(nframes64_t beats) const; void goto_previous_note (); void goto_next_note (); void change_note_lengths (bool, bool, bool start, bool end); void change_velocities (bool up, bool fine, bool allow_smush); void transpose (bool up, bool fine, bool allow_smush); void nudge_notes (bool forward); void show_list_editor (); void selection_as_notelist (Notes& selected); protected: /** Allows derived types to specify their visibility requirements * to the TimeAxisViewItem parent class. */ MidiRegionView (ArdourCanvas::Group *, RouteTimeAxisView&, boost::shared_ptr, double samples_per_unit, Gdk::Color& basic_color, TimeAxisViewItem::Visibility); void region_resized (const PBD::PropertyChange&); void set_flags (XMLNode *); void store_flags (); void reset_width_dependent_items (double pixel_width); private: /** Play the NoteOn event of the given note immediately * and schedule the playback of the corresponding NoteOff event. */ void play_midi_note(boost::shared_ptr note); /** Play the NoteOff-Event of the given note immediately * (scheduled by @ref play_midi_note()). */ bool play_midi_note_off(boost::shared_ptr note); void clear_events(); void switch_source(boost::shared_ptr src); bool canvas_event(GdkEvent* ev); bool note_canvas_event(GdkEvent* ev); void midi_channel_mode_changed(ARDOUR::ChannelMode mode, uint16_t mask); void midi_patch_settings_changed(std::string model, std::string custom_device_mode); void change_note_velocity(ArdourCanvas::CanvasNoteEvent* ev, int8_t vel, bool relative=false); void change_note_note(ArdourCanvas::CanvasNoteEvent* ev, int8_t note, bool relative=false); void change_note_time(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType, bool relative=false); void trim_note(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType start_delta, ARDOUR::MidiModel::TimeType end_delta); void clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev); void clear_selection() { clear_selection_except(NULL); } void update_drag_selection(double last_x, double x, double last_y, double y); void add_to_selection (ArdourCanvas::CanvasNoteEvent*); void remove_from_selection (ArdourCanvas::CanvasNoteEvent*); int8_t _force_channel; uint16_t _last_channel_selection; double _default_note_length; uint8_t _current_range_min; uint8_t _current_range_max; /// MIDNAM information of the current track: Model name of MIDNAM file std::string _model_name; /// MIDNAM information of the current track: CustomDeviceMode std::string _custom_device_mode; typedef std::list Events; typedef std::vector< boost::shared_ptr > PgmChanges; typedef std::vector< boost::shared_ptr > SysExes; boost::shared_ptr _model; Events _events; PgmChanges _pgm_changes; SysExes _sys_exes; ArdourCanvas::CanvasNote** _active_notes; ArdourCanvas::Group* _note_group; ARDOUR::MidiModel::DeltaCommand* _delta_command; ARDOUR::MidiModel::DiffCommand* _diff_command; MouseState _mouse_state; int _pressed_button; typedef std::set Selection; /// Currently selected CanvasNoteEvents Selection _selection; bool _sort_needed; void time_sort_events (); MidiCutBuffer* selection_as_cut_buffer () const; /** New notes (created in the current command) which should be selected * when they appear after the command is applied. */ std::set< boost::shared_ptr > _marked_for_selection; /** New notes (created in the current command) which should have visible velocity * when they appear after the command is applied. */ std::set< boost::shared_ptr > _marked_for_velocity; std::vector _resize_data; /* connection used to connect to model's ContentChanged signal */ PBD::ScopedConnection content_connection; ArdourCanvas::CanvasNoteEvent* find_canvas_note (boost::shared_ptr); Events::iterator _optimization_iterator; void update_note (ArdourCanvas::CanvasNote*); void update_hit (ArdourCanvas::CanvasHit*); MidiListEditor* _list_editor; bool no_sound_notes; }; #endif /* __gtk_ardour_midi_region_view_h__ */