Piano roll serializable backend. More...

Inheritance diagram for PianoRoll:

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Collaboration diagram for PianoRoll:

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Public Types
enum class	Highlighting { None , Chord , Scale , Both }
	Highlighting for the piano roll. More...

Public Member Functions
	PianoRoll (QObject *parent=nullptr)

int	getKeyHeight () const

Q_SIGNAL void	keyHeightChanged ()

Q_INVOKABLE int	getKeyAtY (double y) const

void	add_current_note (int note)
	Adds the note if it doesn't exist in current_notes_.

void	remove_current_note (int note)
	Removes the note if it exists in current_notes_.

bool	contains_current_note (int note)
	Returns whether the note exists in current_notes_.

structure::tracks::Track *	get_current_track () const
	Returns the current track whose regions are being shown in the piano roll.

void	set_notes_zoom (float notes_zoom, bool fire_events)

void	init_loaded ()
	Inits the PianoRoll after a Project has been loaded.

const MidiNoteDescriptor *	find_midi_note_descriptor_by_val (bool drum_mode, const uint8_t val)
	Returns the MidiNoteDescriptor matching the value (0-127).

void	set_highlighting (Highlighting highlighting)
	Updates the highlighting and notifies the UI.

void	set_midi_modifier (MidiModifier modifier)
	Sets the MIDI modifier.

void	get_visible_notes (bool drum_mode, std::vector< MidiNoteDescriptor > &vec)
	Gets the visible notes.

void	init ()
	Initializes the PianoRoll.

auto &	get_selected_object_ids ()

Public Member Functions inherited from EditorSettings
double	clamp_scroll_start_x (double x)

double	clamp_scroll_start_y (double y)

void	append_scroll (double dx, double dy, bool validate)
	Appends the given deltas to the scroll x/y values.

Static Public Member Functions
static Q_INVOKABLE constexpr bool	isBlackKey (int note)
	Returns if the key is black.

static Q_INVOKABLE constexpr bool	isWhiteKey (int note)

static Q_INVOKABLE constexpr bool	isNextKeyBlack (int note)

static Q_INVOKABLE constexpr bool	isNextKeyWhite (int note)

static Q_INVOKABLE constexpr bool	isPrevKeyBlack (int note)

static Q_INVOKABLE constexpr bool	isPrevKeyWhite (int note)

Data Fields
float	notes_zoom_ = 1.0f
	Notes zoom level.

int	note_height_ { 16 }
	Visual height per key in pixels.

MidiModifier	midi_modifier_ = MidiModifier::Velocity
	Selected MidiModifier.

std::vector< int >	current_notes_
	Currently pressed notes (used only at runtime).

std::vector< MidiNoteDescriptor >	piano_descriptors_
	Piano roll mode descriptors.

Highlighting	highlighting_ = Highlighting::None
	Highlighting notes depending on the current chord or scale.

std::vector< MidiNoteDescriptor >	drum_descriptors_
	Drum mode descriptors.

structure::arrangement::ArrangerObjectSelectionManager::UuidSet	selected_objects_

Data Fields inherited from EditorSettings
double	scroll_start_x_ = 0
	Horizontal scroll start position.

double	scroll_start_y_ = 0
	Vertical scroll start position.

double	hzoom_level_ = 1.0
	Horizontal zoom level.

Properties
DEFINE_EDITOR_SETTINGS_QML_PROPERTIES int	keyHeight

Friends
void	init_from (PianoRoll &obj, const PianoRoll &other, utils::ObjectCloneType clone_type)

void	to_json (nlohmann::json &j, const PianoRoll &piano_roll)

void	from_json (const nlohmann::json &j, PianoRoll &piano_roll)

Detailed Description

Piano roll serializable backend.

The actual widgets should reflect the information here.

Definition at line 86 of file piano_roll.h.

The documentation for this class was generated from the following file:

Public Types