X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fmidi_region_view.h;h=b26edb5a47c81c459837e6b92eda70810331e6a9;hb=73a6b8ef25bb90ad6c66b25b17da5962a38291d2;hp=03bd0b1cf7c8546116e03c1013ffee1ea26b0683;hpb=82232f06ba3eea4a2b4342ad91fab552f4044402;p=ardour.git diff --git a/gtk2_ardour/midi_region_view.h b/gtk2_ardour/midi_region_view.h index 03bd0b1cf7..b26edb5a47 100644 --- a/gtk2_ardour/midi_region_view.h +++ b/gtk2_ardour/midi_region_view.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2001-2006 Paul Davis + 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 @@ -19,66 +19,324 @@ #ifndef __gtk_ardour_midi_region_view_h__ #define __gtk_ardour_midi_region_view_h__ +#include #include #include #include -#include -#include +#include "ardour/midi_track.h" +#include "ardour/midi_region.h" +#include "ardour/midi_model.h" +#include "ardour/diskstream.h" +#include "ardour/types.h" #include "region_view.h" -#include "route_time_axis.h" +#include "midi_time_axis.h" #include "time_axis_view_item.h" #include "automation_line.h" #include "enums.h" #include "canvas.h" -#include "color.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; +}; + +namespace MIDI { + namespace Name { + struct PatchPrimaryKey; + }; }; class MidiTimeAxisView; class GhostRegion; class AutomationTimeAxisView; +class AutomationRegionView; class MidiRegionView : public RegionView { public: - MidiRegionView (ArdourCanvas::Group *, + typedef Evoral::Note NoteType; + + MidiRegionView (ArdourCanvas::Group *, RouteTimeAxisView&, boost::shared_ptr, double initial_samples_per_unit, Gdk::Color& basic_color); + + MidiRegionView (const MidiRegionView& other); + MidiRegionView (const MidiRegionView& other, boost::shared_ptr); ~MidiRegionView (); + + virtual void init (Gdk::Color& 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 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); + void resolve_note(uint8_t note_num, double end_time); + + 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; + }; - virtual void init (Gdk::Color& base_color, bool wait_for_data = false); + /** 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); - boost::shared_ptr midi_region() const; - - void show_region_editor (); + /** 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(); - GhostRegion* add_ghost (AutomationTimeAxisView&); + void begin_write(); + void end_write(); + void extend_active_notes(); - protected: + 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 command_add_note(const boost::shared_ptr note, bool selected, bool show_velocity=false); + void command_remove_note(ArdourCanvas::CanvasNoteEvent* ev); + + void apply_command(); + void abort_command(); + + void note_entered(ArdourCanvas::CanvasNoteEvent* ev); + void unique_select(ArdourCanvas::CanvasNoteEvent* ev); + void note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add); + void note_deselected(ArdourCanvas::CanvasNoteEvent* ev, bool add); + 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, uint8_t d_note); + + /** Return true iff the note is within the currently visible range */ + bool note_in_visible_range(const boost::shared_ptr note) const; + + /** Get the region position in pixels relative to session. */ + double get_position_pixels(); + + /** Begin resizing of some notes. + * Called by CanvasMidiNote when resizing starts. + * @param note_end which end of the note, NOTE_ON or NOTE_OFF + */ + void begin_resizing(ArdourCanvas::CanvasNote::NoteEnd note_end); + + /** Update resizing notes while user drags. + * @param note_end which end of the note, NOTE_ON or 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(ArdourCanvas::CanvasNote::NoteEnd note_end, double x, bool relative); - /* this constructor allows derived types - to specify their visibility requirements - to the TimeAxisViewItem parent class - */ - - MidiRegionView (ArdourCanvas::Group *, + /** Finish resizing notes when the user releases the mouse button. + * @param note_end which end of the note, NOTE_ON or 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(ArdourCanvas::CanvasNote::NoteEnd note_end, 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; + double current_x; + }; + + /** 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; + + 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_moved (void *); + + void region_resized (ARDOUR::Change); 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 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); + + 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::vector 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; + + MouseState _mouse_state; + int _pressed_button; + + typedef std::set Selection; + /// Currently selected CanvasNoteEvents + Selection _selection; + + /** 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; }; #endif /* __gtk_ardour_midi_region_view_h__ */