* implemented choosing patches with context menu on the program change flag * added convenience method and a little refactoring in midi_patch_manager.h Conflicts: .cproject build-tmp.sh git-svn-id: svn://localhost/ardour2/branches/3.0@4338 d708f5d6-7413-0410-9779-e7cbd77b26cf
329 lines
11 KiB
C++
329 lines
11 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 <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 "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-note.h"
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#include "canvas-note-event.h"
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#include "canvas-program-change.h"
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namespace ARDOUR {
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class MidiRegion;
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class MidiModel;
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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 MidiRegionView : public RegionView
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{
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public:
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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& 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& 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 set_height (double);
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void apply_note_range(uint8_t lowest, uint8_t highest, bool force=false);
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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<Evoral::Note> note);
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void resolve_note(uint8_t note_num, double end_time);
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struct ControlEvent
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{
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nframes_t time;
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uint8_t value;
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uint8_t channel;
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ControlEvent(nframes_t 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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ControlEvent& operator=(const ControlEvent& other) {
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time = other.time;
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value = other.value;
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channel = other.channel;
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return *this;
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}
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};
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/**
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* Adds a new program change flag to the canvas
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* @param program the MidiRegionView::ControlEvent 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(ControlEvent& program, string displaytext);
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/**
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* Looks up in the automation list in the specified time and channel and sets keys
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* fields 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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/**
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* changes the automation list data of old_program to the new values which correspond to new_patch
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* @param old_program identifies the program change event which is to be altered
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* @param new_patch defines the new lsb, msb and program number which are to be set in the automation list data
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*/
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void alter_program_change(ControlEvent& old_program, const MIDI::Name::PatchPrimaryKey& new_patch);
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/**
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* alters a given program to the new given one (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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/**
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* alters 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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/**
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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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/**
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* displays all program changed events in the region as flags on the canvas
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*/
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void find_and_insert_program_change_flags();
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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 duration);
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void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
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void start_delta_command(string name = "midi edit");
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void command_add_note(const boost::shared_ptr<Evoral::Note> note, bool selected);
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void command_remove_note(ArdourCanvas::CanvasNoteEvent* ev);
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void apply_command();
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void abort_command();
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void note_entered(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);
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void note_deselected(ArdourCanvas::CanvasNoteEvent* ev, bool add);
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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 dt, uint8_t dnote);
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/**
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* This function is needed to subtract the region start in pixels
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* from world coordinates submitted by the mouse
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*/
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double get_position_pixels(void);
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/**
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* This function is called by CanvasMidiNote when resizing starts,
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* i.e. when the user presses mouse-2 on the note
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* @param note_end which end of the note, NOTE_ON or NOTE_OFF
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*/
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void begin_resizing(ArdourCanvas::CanvasNote::NoteEnd note_end);
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/**
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* This function is called while the user moves the mouse when resizing notes
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* @param note_end which end of the note, NOTE_ON or 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(ArdourCanvas::CanvasNote::NoteEnd note_end, double x, bool relative);
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/**
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* This function is called while the user releases the mouse button when resizing notes
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* @param note_end which end of the note, NOTE_ON or 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(ArdourCanvas::CanvasNote::NoteEnd note_end, double event_x, bool relative);
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/**
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* This function is called while the user adjusts the velocity on a selection of notes
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* @param velocity the relative or absolute velocity, depending on the value of relative
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* @param relative true if the given velocity represents a delta to be applied to all notes, false
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* if the absolute value of the note shoud be set
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*/
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void change_velocity(uint8_t velocity, bool relative=false);
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/**
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* This function is called when the user adjusts the midi channel of a selection of notes
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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 { None, Pressed, SelectTouchDragging, SelectRectDragging, AddDragging, EraseTouchDragging };
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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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double current_x;
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};
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/**
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* This function provides the snap function for region position relative coordinates
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* for pixel units (double) instead of nframes64_t
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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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/**
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* This function provides the snap function for region position relative coordinates
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* for pixel units (double) instead of nframes64_t
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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_to_frame(double x);
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/**
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* This function provides the snap function for region position relative coordinates
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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_to_frame(nframes64_t x);
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protected:
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/**
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* this constructor allows derived types
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* 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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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 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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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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string _model_name;
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string _custom_device_mode;
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typedef std::vector<ArdourCanvas::CanvasNoteEvent*> Events;
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typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasProgramChange> > PgmChanges;
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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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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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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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/** 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<Evoral::Note> > _marked_for_selection;
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std::vector<NoteResizeData *> _resize_data;
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};
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#endif /* __gtk_ardour_midi_region_view_h__ */
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