Paul Davis
6a5d805b38
Remove Canvas::Layout, use Canvas::Container for the same purpose, move child-rendering into Item::render_children() so that it could theoretically be used by any derived type.
485 lines
16 KiB
C++
485 lines
16 KiB
C++
/*
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Copyright (C) 2001-2011 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 <stdint.h>
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#include "pbd/signals.h"
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#include "ardour/midi_model.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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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 SysEx;
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class NoteBase;
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class Note;
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class Hit;
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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 MidiListEditor;
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class EditNoteDialog;
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class NotePlayer;
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class PatchChange;
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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 Notes;
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MidiRegionView (ArdourCanvas::Container *,
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RouteTimeAxisView&,
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boost::shared_ptr<ARDOUR::MidiRegion>,
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double initial_samples_per_pixel,
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uint32_t base_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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void init (bool wfd);
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const boost::shared_ptr<ARDOUR::MidiRegion> midi_region() const;
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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 step_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 step_sustain (Evoral::MusicalTime beats);
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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 color_handler ();
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void show_step_edit_cursor (Evoral::MusicalTime pos);
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void move_step_edit_cursor (Evoral::MusicalTime pos);
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void hide_step_edit_cursor ();
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void set_step_edit_cursor_width (Evoral::MusicalTime beats);
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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 (framepos_t pos, float times, const MidiCutBuffer&);
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void add_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr patch, const std::string& displaytext, bool);
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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 patch 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) const;
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/** Convert a given PatchChange into a PatchPrimaryKey
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*/
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MIDI::Name::PatchPrimaryKey patch_change_to_patch_key (ARDOUR::MidiModel::PatchChangePtr);
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/** Change old_patch to new_patch.
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* @param old_patch the canvas patch change which is to be altered
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* @param new_patch new patch
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*/
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void change_patch_change (PatchChange& old_patch, const MIDI::Name::PatchPrimaryKey& new_patch);
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void change_patch_change (ARDOUR::MidiModel::PatchChangePtr, Evoral::PatchChange<Evoral::MusicalTime> const &);
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void add_patch_change (framecnt_t, Evoral::PatchChange<Evoral::MusicalTime> const &);
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void move_patch_change (PatchChange &, Evoral::MusicalTime);
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void delete_patch_change (PatchChange *);
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void edit_patch_change (PatchChange *);
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void delete_sysex (SysEx*);
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/** Alter a given patch to be its predecessor in the MIDNAM file.
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*/
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void previous_patch (PatchChange &);
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/** Alters a given patch to be its successor in the MIDNAM file.
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*/
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void next_patch (PatchChange &);
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void previous_bank (PatchChange &);
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void next_bank (PatchChange &);
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/** Displays all patch change events in the region as flags on the canvas.
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*/
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void display_patch_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 display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
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void start_note_diff_command (std::string name = "midi edit");
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void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, uint8_t val);
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void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, Evoral::MusicalTime val);
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void note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity = false);
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void note_diff_remove_note (NoteBase* ev);
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void apply_diff (bool as_subcommand = false);
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void abort_command();
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void note_entered(NoteBase* ev);
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void note_left(NoteBase* ev);
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void patch_entered (PatchChange *);
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void patch_left (PatchChange *);
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void sysex_entered (SysEx* p);
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void sysex_left (SysEx* p);
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void note_mouse_position (float xfraction, float yfraction, bool can_set_cursor=true);
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void unique_select(NoteBase* ev);
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void note_selected(NoteBase* ev, bool add, bool extend=false);
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void note_deselected(NoteBase* ev);
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void delete_selection();
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void delete_note (boost::shared_ptr<NoteType>);
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size_t selection_size() { return _selection.size(); }
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void select_all_notes ();
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void select_range(framepos_t start, framepos_t end);
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void invert_selection ();
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void move_selection(double dx, double dy, double cumulative_dy);
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void note_dropped (NoteBase* ev, ARDOUR::frameoffset_t, int8_t d_note);
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void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
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void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
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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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void update_resizing (NoteBase*, bool, double, bool);
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void commit_resizing (NoteBase*, bool, double, bool);
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void abort_resizing ();
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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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SelectVerticalDragging,
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AddDragging
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};
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MouseState mouse_state() const { return _mouse_state; }
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void note_button_release ();
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struct NoteResizeData {
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Note *note;
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ArdourCanvas::Rectangle *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 framepos_t coordinate relative to region start
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*/
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framepos_t snap_pixel_to_sample(double x);
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/** Convert a timestamp in beats into frames (both relative to region position) */
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framepos_t region_beats_to_region_frames(double beats) const;
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/** Convert a timestamp in beats into absolute frames */
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framepos_t region_beats_to_absolute_frames(double beats) const {
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return _region->position() + region_beats_to_region_frames (beats);
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}
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/** Convert a timestamp in frames to beats (both relative to region position) */
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double region_frames_to_region_beats(framepos_t) const;
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/** Convert a timestamp in beats measured from source start into absolute frames */
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framepos_t source_beats_to_absolute_frames(double beats) const;
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/** Convert a timestamp in beats measured from source start into region-relative frames */
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framepos_t source_beats_to_region_frames(double beats) const {
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return source_beats_to_absolute_frames (beats) - _region->position();
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}
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/** Convert a timestamp in absolute frames to beats measured from source start*/
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double absolute_frames_to_source_beats(framepos_t) const;
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void goto_previous_note (bool add_to_selection);
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void goto_next_note (bool add_to_selection);
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void change_note_lengths (bool, bool, Evoral::MusicalTime beats, bool start, bool end);
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void change_velocities (bool up, bool fine, bool allow_smush, bool all_together);
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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 channel_edit ();
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void velocity_edit ();
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void show_list_editor ();
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typedef std::set<NoteBase*> Selection;
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Selection selection () const {
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return _selection;
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}
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void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
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void enable_display (bool);
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void set_channel_selector_scoped_note(NoteBase* note){ _channel_selection_scoped_note = note; }
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NoteBase* channel_selector_scoped_note(){ return _channel_selection_scoped_note; }
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void trim_front_starting ();
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void trim_front_ending ();
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void create_note_at (framepos_t, double, double, bool);
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void clear_selection (bool signal = true) { clear_selection_except (0, signal); }
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ARDOUR::InstrumentInfo& instrument_info() const;
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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::Container *,
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RouteTimeAxisView&,
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boost::shared_ptr<ARDOUR::MidiRegion>,
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double samples_per_pixel,
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uint32_t basic_color,
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TimeAxisViewItem::Visibility);
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void region_resized (const PBD::PropertyChange&);
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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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void parameter_changed (std::string const & p);
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private:
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friend class MidiRubberbandSelectDrag;
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friend class MidiVerticalSelectDrag;
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/** Emitted when the selection has been cleared in one MidiRegionView,
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* with the expectation that others will clear their selections in
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* sympathy.
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*/
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static PBD::Signal1<void, MidiRegionView*> SelectionCleared;
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PBD::ScopedConnection _selection_cleared_connection;
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void selection_cleared (MidiRegionView *);
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friend class EditNoteDialog;
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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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void start_playing_midi_note (boost::shared_ptr<NoteType> note);
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void start_playing_midi_chord (std::vector<boost::shared_ptr<NoteType> > notes);
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void clear_events (bool with_selection_signal = true);
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bool canvas_group_event(GdkEvent* ev);
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bool note_canvas_event(GdkEvent* ev);
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void midi_channel_mode_changed ();
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PBD::ScopedConnection _channel_mode_changed_connection;
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void instrument_settings_changed ();
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PBD::ScopedConnection _instrument_changed_connection;
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void change_note_channel (NoteBase *, int8_t, bool relative=false);
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void change_note_velocity(NoteBase* ev, int8_t vel, bool relative=false);
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void change_note_note(NoteBase* ev, int8_t note, bool relative=false);
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void change_note_time(NoteBase* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
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void change_note_length (NoteBase *, ARDOUR::MidiModel::TimeType);
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void trim_note(NoteBase* ev, ARDOUR::MidiModel::TimeType start_delta,
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ARDOUR::MidiModel::TimeType end_delta);
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void clear_selection_except (NoteBase* ev, bool signal = true);
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void update_drag_selection (double last_x, double x, double last_y, double y, bool extend);
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void update_vertical_drag_selection (double last_y, double y, bool extend);
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void add_to_selection (NoteBase*);
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void remove_from_selection (NoteBase*);
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void show_verbose_cursor (std::string const &, double, double) const;
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void show_verbose_cursor (boost::shared_ptr<NoteType>) const;
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uint8_t _current_range_min;
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uint8_t _current_range_max;
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typedef std::list<NoteBase*> Events;
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typedef std::vector< boost::shared_ptr<PatchChange> > PatchChanges;
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typedef std::vector< boost::shared_ptr<SysEx> > SysExes;
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boost::shared_ptr<ARDOUR::MidiModel> _model;
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Events _events;
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PatchChanges _patch_changes;
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SysExes _sys_exes;
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Note** _active_notes;
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ArdourCanvas::Container* _note_group;
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ARDOUR::MidiModel::NoteDiffCommand* _note_diff_command;
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Note* _ghost_note;
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double _last_ghost_x;
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double _last_ghost_y;
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ArdourCanvas::Rectangle* _step_edit_cursor;
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Evoral::MusicalTime _step_edit_cursor_width;
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Evoral::MusicalTime _step_edit_cursor_position;
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NoteBase* _channel_selection_scoped_note;
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/** A group used to temporarily reparent _note_group to during start trims, so
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* that the notes don't move with the parent region view.
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*/
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ArdourCanvas::Container* _temporary_note_group;
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MouseState _mouse_state;
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int _pressed_button;
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/** Currently selected NoteBase objects */
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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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PBD::ScopedConnection content_connection;
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NoteBase* find_canvas_note (boost::shared_ptr<NoteType>);
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Events::iterator _optimization_iterator;
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void update_note (Note *, bool update_ghost_regions = true);
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void update_hit (Hit *);
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void create_ghost_note (double, double);
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void update_ghost_note (double, double);
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MidiListEditor* _list_editor;
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bool _no_sound_notes;
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PBD::ScopedConnection note_delete_connection;
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void maybe_remove_deleted_note_from_selection (NoteBase*);
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void snap_changed ();
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PBD::ScopedConnection snap_changed_connection;
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bool motion (GdkEventMotion*);
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bool scroll (GdkEventScroll*);
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bool key_press (GdkEventKey*);
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bool key_release (GdkEventKey*);
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bool button_press (GdkEventButton*);
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bool button_release (GdkEventButton*);
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bool enter_notify (GdkEventCrossing*);
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bool leave_notify (GdkEventCrossing*);
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void drop_down_keys ();
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void maybe_select_by_position (GdkEventButton* ev, double x, double y);
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void get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask = 0);
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void display_patch_changes_on_channel (uint8_t, bool);
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void connect_to_diskstream ();
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void data_recorded (boost::weak_ptr<ARDOUR::MidiSource>);
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void remove_ghost_note ();
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void mouse_mode_changed ();
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double _last_event_x;
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double _last_event_y;
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framepos_t snap_frame_to_grid_underneath (framepos_t p, framecnt_t &) const;
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PBD::ScopedConnection _mouse_mode_connection;
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Gdk::Cursor* pre_enter_cursor;
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Gdk::Cursor* pre_press_cursor;
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NotePlayer* _note_player;
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ARDOUR::ChannelMode get_channel_mode() const;
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uint16_t get_selected_channels () const;
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};
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#endif /* __gtk_ardour_midi_region_view_h__ */
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