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PianoRoll.cpp
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/*
* PianoRoll.cpp - implementation of piano roll which is used for actual
* writing of melodies
*
* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
* Copyright (c) 2008 Andrew Kelley <superjoe30/at/gmail/dot/com>
*
* This file is part of LMMS - https://lmms.io
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include <QApplication>
#include <QClipboard>
#include <QKeyEvent>
#include <QLabel>
#include <QLayout>
#include <QMdiArea>
#include <QPainter>
#include <QPointer>
#include <QScrollBar>
#include <QStyleOption>
#include <QSignalMapper>
#ifndef __USE_XOPEN
#define __USE_XOPEN
#endif
#include <math.h>
#include <utility>
#include "AutomationEditor.h"
#include "ActionGroup.h"
#include "ConfigManager.h"
#include "PianoRoll.h"
#include "BBTrackContainer.h"
#include "Clipboard.h"
#include "ComboBox.h"
#include "debug.h"
#include "DetuningHelper.h"
#include "embed.h"
#include "GuiApplication.h"
#include "gui_templates.h"
#include "InstrumentTrack.h"
#include "MainWindow.h"
#include "Pattern.h"
#include "SongEditor.h"
#include "stdshims.h"
#include "TextFloat.h"
#include "TimeLineWidget.h"
using std::move;
typedef AutomationPattern::timeMap timeMap;
// some constants...
const int INITIAL_PIANOROLL_WIDTH = 860;
const int INITIAL_PIANOROLL_HEIGHT = 480;
const int SCROLLBAR_SIZE = 12;
const int PIANO_X = 0;
const int WHITE_KEY_WIDTH = 64;
const int WHITE_KEY_SMALL_HEIGHT = 18;
const int WHITE_KEY_BIG_HEIGHT = 24;
const int BLACK_KEY_HEIGHT = 16;
const int KEY_LINE_HEIGHT = 12;
const int OCTAVE_HEIGHT = KEY_LINE_HEIGHT * KeysPerOctave; // = 12 * 12;
const int NOTE_EDIT_RESIZE_BAR = 6;
const int NOTE_EDIT_MIN_HEIGHT = 50;
const int KEY_AREA_MIN_HEIGHT = 100;
const int PR_BOTTOM_MARGIN = SCROLLBAR_SIZE;
const int PR_TOP_MARGIN = 16;
const int PR_RIGHT_MARGIN = SCROLLBAR_SIZE;
// width of area used for resizing (the grip at the end of a note)
const int RESIZE_AREA_WIDTH = 9;
// width of line for setting volume/panning of note
const int NOTE_EDIT_LINE_WIDTH = 3;
// key where to start
const int INITIAL_START_KEY = Key_C + Octave_4 * KeysPerOctave;
// number of each note to provide in quantization and note lengths
const int NUM_EVEN_LENGTHS = 6;
const int NUM_TRIPLET_LENGTHS = 5;
QPixmap * PianoRoll::s_whiteKeySmallPm = NULL;
QPixmap * PianoRoll::s_whiteKeySmallPressedPm = NULL;
QPixmap * PianoRoll::s_whiteKeyBigPm = NULL;
QPixmap * PianoRoll::s_whiteKeyBigPressedPm = NULL;
QPixmap * PianoRoll::s_blackKeyPm = NULL;
QPixmap * PianoRoll::s_blackKeyPressedPm = NULL;
QPixmap * PianoRoll::s_toolDraw = NULL;
QPixmap * PianoRoll::s_toolErase = NULL;
QPixmap * PianoRoll::s_toolSelect = NULL;
QPixmap * PianoRoll::s_toolMove = NULL;
QPixmap * PianoRoll::s_toolOpen = NULL;
TextFloat * PianoRoll::s_textFloat = NULL;
static QString s_noteStrings[12] = { "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"};
static QString getNoteString( int key )
{
return s_noteStrings[key % 12] + QString::number( static_cast<int>( key / KeysPerOctave ) );
}
// used for drawing of piano
PianoRoll::PianoRollKeyTypes PianoRoll::prKeyOrder[] =
{
PR_WHITE_KEY_SMALL, PR_BLACK_KEY, PR_WHITE_KEY_BIG, PR_BLACK_KEY,
PR_WHITE_KEY_SMALL, PR_WHITE_KEY_SMALL, PR_BLACK_KEY, PR_WHITE_KEY_BIG,
PR_BLACK_KEY, PR_WHITE_KEY_BIG, PR_BLACK_KEY, PR_WHITE_KEY_SMALL
} ;
const int DEFAULT_PR_PPT = KEY_LINE_HEIGHT * DefaultStepsPerTact;
const QVector<double> PianoRoll::m_zoomLevels =
{ 0.125f, 0.25f, 0.5f, 1.0f, 2.0f, 4.0f, 8.0f };
PianoRoll::PianoRoll() :
m_nemStr( QVector<QString>() ),
m_noteEditMenu( NULL ),
m_semiToneMarkerMenu( NULL ),
m_zoomingModel(),
m_quantizeModel(),
m_noteLenModel(),
m_pattern( NULL ),
m_currentPosition(),
m_recording( false ),
m_currentNote( NULL ),
m_action( ActionNone ),
m_noteEditMode( NoteEditVolume ),
m_moveBoundaryLeft( 0 ),
m_moveBoundaryTop( 0 ),
m_moveBoundaryRight( 0 ),
m_moveBoundaryBottom( 0 ),
m_mouseDownKey( 0 ),
m_mouseDownTick( 0 ),
m_lastMouseX( 0 ),
m_lastMouseY( 0 ),
m_oldNotesEditHeight( 100 ),
m_notesEditHeight( 100 ),
m_ppt( DEFAULT_PR_PPT ),
m_lenOfNewNotes( MidiTime( 0, DefaultTicksPerTact/4 ) ),
m_lastNoteVolume( DefaultVolume ),
m_lastNotePanning( DefaultPanning ),
m_startKey( INITIAL_START_KEY ),
m_lastKey( 0 ),
m_editMode( ModeDraw ),
m_ctrlMode( ModeDraw ),
m_mouseDownRight( false ),
m_scrollBack( false ),
m_barLineColor( 0, 0, 0 ),
m_beatLineColor( 0, 0, 0 ),
m_lineColor( 0, 0, 0 ),
m_noteModeColor( 0, 0, 0 ),
m_noteColor( 0, 0, 0 ),
m_barColor( 0, 0, 0 ),
m_selectedNoteColor( 0, 0, 0 ),
m_textColor( 0, 0, 0 ),
m_textColorLight( 0, 0, 0 ),
m_textShadow( 0, 0, 0 ),
m_markedSemitoneColor( 0, 0, 0 ),
m_noteOpacity( 255 ),
m_noteBorders( true ),
m_backgroundShade( 0, 0, 0 )
{
// gui names of edit modes
m_nemStr.push_back( tr( "Note Velocity" ) );
m_nemStr.push_back( tr( "Note Panning" ) );
QSignalMapper * signalMapper = new QSignalMapper( this );
m_noteEditMenu = new QMenu( this );
m_noteEditMenu->clear();
for( int i = 0; i < m_nemStr.size(); ++i )
{
QAction * act = new QAction( m_nemStr.at(i), this );
connect( act, SIGNAL(triggered()), signalMapper, SLOT(map()) );
signalMapper->setMapping( act, i );
m_noteEditMenu->addAction( act );
}
connect( signalMapper, SIGNAL(mapped(int)),
this, SLOT(changeNoteEditMode(int)) );
signalMapper = new QSignalMapper( this );
m_semiToneMarkerMenu = new QMenu( this );
QAction* markSemitoneAction = new QAction( tr("Mark/unmark current semitone"), this );
QAction* markAllOctaveSemitonesAction = new QAction( tr("Mark/unmark all corresponding octave semitones"), this );
QAction* markScaleAction = new QAction( tr("Mark current scale"), this );
QAction* markChordAction = new QAction( tr("Mark current chord"), this );
QAction* unmarkAllAction = new QAction( tr("Unmark all"), this );
QAction* copyAllNotesAction = new QAction( tr("Select all notes on this key"), this);
connect( markSemitoneAction, SIGNAL(triggered()), signalMapper, SLOT(map()) );
connect( markAllOctaveSemitonesAction, SIGNAL(triggered()), signalMapper, SLOT(map()) );
connect( markScaleAction, SIGNAL(triggered()), signalMapper, SLOT(map()) );
connect( markChordAction, SIGNAL(triggered()), signalMapper, SLOT(map()) );
connect( unmarkAllAction, SIGNAL(triggered()), signalMapper, SLOT(map()) );
connect( copyAllNotesAction, SIGNAL(triggered()), signalMapper, SLOT(map()) );
signalMapper->setMapping( markSemitoneAction, static_cast<int>( stmaMarkCurrentSemiTone ) );
signalMapper->setMapping( markAllOctaveSemitonesAction, static_cast<int>( stmaMarkAllOctaveSemiTones ) );
signalMapper->setMapping( markScaleAction, static_cast<int>( stmaMarkCurrentScale ) );
signalMapper->setMapping( markChordAction, static_cast<int>( stmaMarkCurrentChord ) );
signalMapper->setMapping( unmarkAllAction, static_cast<int>( stmaUnmarkAll ) );
signalMapper->setMapping( copyAllNotesAction, static_cast<int>( stmaCopyAllNotesOnKey ) );
markScaleAction->setEnabled( false );
markChordAction->setEnabled( false );
connect( this, SIGNAL(semiToneMarkerMenuScaleSetEnabled(bool)), markScaleAction, SLOT(setEnabled(bool)) );
connect( this, SIGNAL(semiToneMarkerMenuChordSetEnabled(bool)), markChordAction, SLOT(setEnabled(bool)) );
connect( signalMapper, SIGNAL(mapped(int)), this, SLOT(markSemiTone(int)) );
m_semiToneMarkerMenu->addAction( markSemitoneAction );
m_semiToneMarkerMenu->addAction( markAllOctaveSemitonesAction );
m_semiToneMarkerMenu->addAction( markScaleAction );
m_semiToneMarkerMenu->addAction( markChordAction );
m_semiToneMarkerMenu->addAction( unmarkAllAction );
m_semiToneMarkerMenu->addAction( copyAllNotesAction );
// init pixmaps
if( s_whiteKeySmallPm == NULL )
{
s_whiteKeySmallPm = new QPixmap( embed::getIconPixmap(
"pr_white_key_small" ) );
}
if( s_whiteKeySmallPressedPm == NULL )
{
s_whiteKeySmallPressedPm = new QPixmap( embed::getIconPixmap(
"pr_white_key_small_pressed" ) );
}
if( s_whiteKeyBigPm == NULL )
{
s_whiteKeyBigPm = new QPixmap( embed::getIconPixmap(
"pr_white_key_big" ) );
}
if( s_whiteKeyBigPressedPm == NULL )
{
s_whiteKeyBigPressedPm = new QPixmap( embed::getIconPixmap(
"pr_white_key_big_pressed" ) );
}
if( s_blackKeyPm == NULL )
{
s_blackKeyPm = new QPixmap( embed::getIconPixmap(
"pr_black_key" ) );
}
if( s_blackKeyPressedPm == NULL )
{
s_blackKeyPressedPm = new QPixmap( embed::getIconPixmap(
"pr_black_key_pressed" ) );
}
if( s_toolDraw == NULL )
{
s_toolDraw = new QPixmap( embed::getIconPixmap( "edit_draw" ) );
}
if( s_toolErase == NULL )
{
s_toolErase= new QPixmap( embed::getIconPixmap( "edit_erase" ) );
}
if( s_toolSelect == NULL )
{
s_toolSelect = new QPixmap( embed::getIconPixmap( "edit_select" ) );
}
if( s_toolMove == NULL )
{
s_toolMove = new QPixmap( embed::getIconPixmap( "edit_move" ) );
}
if( s_toolOpen == NULL )
{
s_toolOpen = new QPixmap( embed::getIconPixmap( "automation" ) );
}
// init text-float
if( s_textFloat == NULL )
{
s_textFloat = new TextFloat;
}
setAttribute( Qt::WA_OpaquePaintEvent, true );
// add time-line
m_timeLine = new TimeLineWidget( WHITE_KEY_WIDTH, 0, m_ppt,
Engine::getSong()->getPlayPos(
Song::Mode_PlayPattern ),
m_currentPosition,
Song::Mode_PlayPattern, this );
connect( this, SIGNAL( positionChanged( const MidiTime & ) ),
m_timeLine, SLOT( updatePosition( const MidiTime & ) ) );
connect( m_timeLine, SIGNAL( positionChanged( const MidiTime & ) ),
this, SLOT( updatePosition( const MidiTime & ) ) );
// update timeline when in record-accompany mode
connect( Engine::getSong()->getPlayPos( Song::Mode_PlaySong ).m_timeLine,
SIGNAL( positionChanged( const MidiTime & ) ),
this,
SLOT( updatePositionAccompany( const MidiTime & ) ) );
// TODO
/* connect( engine::getSong()->getPlayPos( Song::Mode_PlayBB ).m_timeLine,
SIGNAL( positionChanged( const MidiTime & ) ),
this,
SLOT( updatePositionAccompany( const MidiTime & ) ) );*/
removeSelection();
// init scrollbars
m_leftRightScroll = new QScrollBar( Qt::Horizontal, this );
m_leftRightScroll->setSingleStep( 1 );
connect( m_leftRightScroll, SIGNAL( valueChanged( int ) ), this,
SLOT( horScrolled( int ) ) );
m_topBottomScroll = new QScrollBar( Qt::Vertical, this );
m_topBottomScroll->setSingleStep( 1 );
m_topBottomScroll->setPageStep( 20 );
connect( m_topBottomScroll, SIGNAL( valueChanged( int ) ), this,
SLOT( verScrolled( int ) ) );
// setup zooming-stuff
for( float const & zoomLevel : m_zoomLevels )
{
m_zoomingModel.addItem( QString( "%1\%" ).arg( zoomLevel * 100 ) );
}
m_zoomingModel.setValue( m_zoomingModel.findText( "100%" ) );
connect( &m_zoomingModel, SIGNAL( dataChanged() ),
this, SLOT( zoomingChanged() ) );
// Set up quantization model
m_quantizeModel.addItem( tr( "Note lock" ) );
for( int i = 0; i <= NUM_EVEN_LENGTHS; ++i )
{
m_quantizeModel.addItem( "1/" + QString::number( 1 << i ) );
}
for( int i = 0; i < NUM_TRIPLET_LENGTHS; ++i )
{
m_quantizeModel.addItem( "1/" + QString::number( (1 << i) * 3 ) );
}
m_quantizeModel.addItem( "1/192" );
m_quantizeModel.setValue( m_quantizeModel.findText( "1/16" ) );
connect( &m_quantizeModel, SIGNAL( dataChanged() ),
this, SLOT( quantizeChanged() ) );
// Set up note length model
m_noteLenModel.addItem( tr( "Last note" ),
make_unique<PixmapLoader>( "edit_draw" ) );
const QString pixmaps[] = { "whole", "half", "quarter", "eighth",
"sixteenth", "thirtysecond", "triplethalf",
"tripletquarter", "tripleteighth",
"tripletsixteenth", "tripletthirtysecond" } ;
for( int i = 0; i < NUM_EVEN_LENGTHS; ++i )
{
auto loader = make_unique<PixmapLoader>( "note_" + pixmaps[i] );
m_noteLenModel.addItem( "1/" + QString::number( 1 << i ), ::move(loader) );
}
for( int i = 0; i < NUM_TRIPLET_LENGTHS; ++i )
{
auto loader = make_unique<PixmapLoader>( "note_" + pixmaps[i+NUM_EVEN_LENGTHS] );
m_noteLenModel.addItem( "1/" + QString::number( (1 << i) * 3 ), ::move(loader) );
}
m_noteLenModel.setValue( 0 );
// Note length change can cause a redraw if Q is set to lock
connect( &m_noteLenModel, SIGNAL( dataChanged() ),
this, SLOT( quantizeChanged() ) );
// Set up scale model
const InstrumentFunctionNoteStacking::ChordTable& chord_table =
InstrumentFunctionNoteStacking::ChordTable::getInstance();
m_scaleModel.addItem( tr("No scale") );
for( const InstrumentFunctionNoteStacking::Chord& chord : chord_table )
{
if( chord.isScale() )
{
m_scaleModel.addItem( chord.getName() );
}
}
m_scaleModel.setValue( 0 );
// change can update m_semiToneMarkerMenu
connect( &m_scaleModel, SIGNAL( dataChanged() ),
this, SLOT( updateSemiToneMarkerMenu() ) );
// Set up chord model
m_chordModel.addItem( tr("No chord") );
for( const InstrumentFunctionNoteStacking::Chord& chord : chord_table )
{
if( ! chord.isScale() )
{
m_chordModel.addItem( chord.getName() );
}
}
m_chordModel.setValue( 0 );
// change can update m_semiToneMarkerMenu
connect( &m_chordModel, SIGNAL( dataChanged() ),
this, SLOT( updateSemiToneMarkerMenu() ) );
setFocusPolicy( Qt::StrongFocus );
setFocus();
setMouseTracking( true );
connect( &m_scaleModel, SIGNAL( dataChanged() ),
this, SLOT( updateSemiToneMarkerMenu() ) );
connect( Engine::getSong(), SIGNAL( timeSignatureChanged( int, int ) ),
this, SLOT( update() ) );
//connection for selecion from timeline
connect( m_timeLine, SIGNAL( regionSelectedFromPixels( int, int ) ),
this, SLOT( selectRegionFromPixels( int, int ) ) );
}
void PianoRoll::reset()
{
m_lastNoteVolume = DefaultVolume;
m_lastNotePanning = DefaultPanning;
}
void PianoRoll::showTextFloat(const QString &text, const QPoint &pos, int timeout)
{
s_textFloat->setText( text );
// show the float, offset slightly so as to not obscure anything
s_textFloat->moveGlobal( this, pos + QPoint(4, 16) );
if (timeout == -1)
{
s_textFloat->show();
}
else
{
s_textFloat->setVisibilityTimeOut( timeout );
}
}
void PianoRoll::showVolTextFloat(volume_t vol, const QPoint &pos, int timeout)
{
//! \todo display velocity for MIDI-based instruments
// possibly dBFS values too? not sure if it makes sense for note volumes...
showTextFloat( tr("Velocity: %1%").arg( vol ), pos, timeout );
}
void PianoRoll::showPanTextFloat(panning_t pan, const QPoint &pos, int timeout)
{
QString text;
if( pan < 0 )
{
text = tr("Panning: %1% left").arg( qAbs( pan ) );
}
else if( pan > 0 )
{
text = tr("Panning: %1% right").arg( qAbs( pan ) );
}
else
{
text = tr("Panning: center");
}
showTextFloat( text, pos, timeout );
}
void PianoRoll::changeNoteEditMode( int i )
{
m_noteEditMode = (NoteEditMode) i;
repaint();
}
void PianoRoll::markSemiTone( int i )
{
const int key = getKey( mapFromGlobal( m_semiToneMarkerMenu->pos() ).y() );
const InstrumentFunctionNoteStacking::Chord * chord = nullptr;
switch( static_cast<SemiToneMarkerAction>( i ) )
{
case stmaUnmarkAll:
m_markedSemiTones.clear();
break;
case stmaMarkCurrentSemiTone:
{
QList<int>::iterator it = std::find( m_markedSemiTones.begin(), m_markedSemiTones.end(), key );
if( it != m_markedSemiTones.end() )
{
m_markedSemiTones.erase( it );
}
else
{
m_markedSemiTones.push_back( key );
}
break;
}
case stmaMarkAllOctaveSemiTones:
{
QList<int> aok = getAllOctavesForKey(key);
if ( m_markedSemiTones.contains(key) )
{
// lets erase all of the ones that match this by octave
QList<int>::iterator i;
for (int ix = 0; ix < aok.size(); ++ix)
{
i = std::find(m_markedSemiTones.begin(), m_markedSemiTones.end(), aok.at(ix));
m_markedSemiTones.erase(i);
}
}
else
{
// we should add all of the ones that match this by octave
m_markedSemiTones.append(aok);
}
break;
}
case stmaMarkCurrentScale:
chord = & InstrumentFunctionNoteStacking::ChordTable::getInstance()
.getScaleByName( m_scaleModel.currentText() );
case stmaMarkCurrentChord:
{
if( ! chord )
{
chord = & InstrumentFunctionNoteStacking::ChordTable::getInstance()
.getChordByName( m_chordModel.currentText() );
}
if( chord->isEmpty() )
{
break;
}
else if( chord->isScale() )
{
m_markedSemiTones.clear();
}
const int first = chord->isScale() ? 0 : key;
const int last = chord->isScale() ? NumKeys : key + chord->last();
const int cap = ( chord->isScale() || chord->last() == 0 ) ? KeysPerOctave : chord->last();
for( int i = first; i <= last; i++ )
{
if( chord->hasSemiTone( ( i + cap - ( key % cap ) ) % cap ) )
{
m_markedSemiTones.push_back( i );
}
}
break;
}
case stmaCopyAllNotesOnKey:
{
selectNotesOnKey();
break;
}
default:
;
}
std::sort( m_markedSemiTones.begin(), m_markedSemiTones.end(), std::greater<int>() );
QList<int>::iterator new_end = std::unique( m_markedSemiTones.begin(), m_markedSemiTones.end() );
m_markedSemiTones.erase( new_end, m_markedSemiTones.end() );
}
PianoRoll::~PianoRoll()
{
}
void PianoRoll::setCurrentPattern( Pattern* newPattern )
{
if( hasValidPattern() )
{
m_pattern->instrumentTrack()->disconnect( this );
}
// force the song-editor to stop playing if it played pattern before
if( Engine::getSong()->isPlaying() &&
Engine::getSong()->playMode() == Song::Mode_PlayPattern )
{
Engine::getSong()->playPattern( NULL );
}
// set new data
m_pattern = newPattern;
m_currentPosition = 0;
m_currentNote = NULL;
m_startKey = INITIAL_START_KEY;
if( ! hasValidPattern() )
{
//resizeEvent( NULL );
update();
emit currentPatternChanged();
return;
}
m_leftRightScroll->setValue( 0 );
// determine the central key so that we can scroll to it
int central_key = 0;
int total_notes = 0;
for( const Note *note : m_pattern->notes() )
{
if( note->length() > 0 )
{
central_key += note->key();
++total_notes;
}
}
if( total_notes > 0 )
{
central_key = central_key / total_notes -
( KeysPerOctave * NumOctaves - m_totalKeysToScroll ) / 2;
m_startKey = tLimit( central_key, 0, NumOctaves * KeysPerOctave );
}
// resizeEvent() does the rest for us (scrolling, range-checking
// of start-notes and so on...)
resizeEvent( NULL );
// make sure to always get informed about the pattern being destroyed
connect( m_pattern, SIGNAL( destroyedPattern( Pattern* ) ), this, SLOT( hidePattern( Pattern* ) ) );
connect( m_pattern->instrumentTrack(), SIGNAL( midiNoteOn( const Note& ) ), this, SLOT( startRecordNote( const Note& ) ) );
connect( m_pattern->instrumentTrack(), SIGNAL( midiNoteOff( const Note& ) ), this, SLOT( finishRecordNote( const Note& ) ) );
connect( m_pattern->instrumentTrack()->pianoModel(), SIGNAL( dataChanged() ), this, SLOT( update() ) );
update();
emit currentPatternChanged();
}
void PianoRoll::hidePattern( Pattern* pattern )
{
if( m_pattern == pattern )
{
setCurrentPattern( NULL );
}
}
void PianoRoll::selectRegionFromPixels( int xStart, int xEnd )
{
xStart -= WHITE_KEY_WIDTH;
xEnd -= WHITE_KEY_WIDTH;
// select an area of notes
int pos_ticks = xStart * MidiTime::ticksPerTact() / m_ppt +
m_currentPosition;
int key_num = 0;
m_selectStartTick = pos_ticks;
m_selectedTick = 0;
m_selectStartKey = key_num;
m_selectedKeys = 1;
// change size of selection
// get tick in which the cursor is posated
pos_ticks = xEnd * MidiTime::ticksPerTact() / m_ppt +
m_currentPosition;
key_num = 120;
m_selectedTick = pos_ticks - m_selectStartTick;
if( (int) m_selectStartTick + m_selectedTick < 0 )
{
m_selectedTick = -static_cast<int>(
m_selectStartTick );
}
m_selectedKeys = key_num - m_selectStartKey;
if( key_num <= m_selectStartKey )
{
--m_selectedKeys;
}
computeSelectedNotes( false );
}
/** \brief qproperty access implementation */
QColor PianoRoll::barLineColor() const
{ return m_barLineColor; }
void PianoRoll::setBarLineColor( const QColor & c )
{ m_barLineColor = c; }
QColor PianoRoll::beatLineColor() const
{ return m_beatLineColor; }
void PianoRoll::setBeatLineColor( const QColor & c )
{ m_beatLineColor = c; }
QColor PianoRoll::lineColor() const
{ return m_lineColor; }
void PianoRoll::setLineColor( const QColor & c )
{ m_lineColor = c; }
QColor PianoRoll::noteModeColor() const
{ return m_noteModeColor; }
void PianoRoll::setNoteModeColor( const QColor & c )
{ m_noteModeColor = c; }
QColor PianoRoll::noteColor() const
{ return m_noteColor; }
void PianoRoll::setNoteColor( const QColor & c )
{ m_noteColor = c; }
QColor PianoRoll::noteTextColor() const
{ return m_noteTextColor; }
void PianoRoll::setNoteTextColor( const QColor & c )
{ m_noteTextColor = c; }
QColor PianoRoll::barColor() const
{ return m_barColor; }
void PianoRoll::setBarColor( const QColor & c )
{ m_barColor = c; }
QColor PianoRoll::selectedNoteColor() const
{ return m_selectedNoteColor; }
void PianoRoll::setSelectedNoteColor( const QColor & c )
{ m_selectedNoteColor = c; }
QColor PianoRoll::textColor() const
{ return m_textColor; }
void PianoRoll::setTextColor( const QColor & c )
{ m_textColor = c; }
QColor PianoRoll::textColorLight() const
{ return m_textColorLight; }
void PianoRoll::setTextColorLight( const QColor & c )
{ m_textColorLight = c; }
QColor PianoRoll::textShadow() const
{ return m_textShadow; }
void PianoRoll::setTextShadow( const QColor & c )
{ m_textShadow = c; }
QColor PianoRoll::markedSemitoneColor() const
{ return m_markedSemitoneColor; }
void PianoRoll::setMarkedSemitoneColor( const QColor & c )
{ m_markedSemitoneColor = c; }
int PianoRoll::noteOpacity() const
{ return m_noteOpacity; }
void PianoRoll::setNoteOpacity( const int i )
{ m_noteOpacity = i; }
bool PianoRoll::noteBorders() const
{ return m_noteBorders; }
void PianoRoll::setNoteBorders( const bool b )
{ m_noteBorders = b; }
QColor PianoRoll::backgroundShade() const
{ return m_backgroundShade; }
void PianoRoll::setBackgroundShade( const QColor & c )
{ m_backgroundShade = c; }
void PianoRoll::drawNoteRect( QPainter & p, int x, int y,
int width, const Note * n, const QColor & noteCol, const QColor & noteTextColor,
const QColor & selCol, const int noteOpc, const bool borders, bool drawNoteName )
{
++x;
++y;
width -= 2;
if( width <= 0 )
{
width = 2;
}
// Volume
float const volumeRange = static_cast<float>(MaxVolume - MinVolume);
float const volumeSpan = static_cast<float>(n->getVolume() - MinVolume);
float const volumeRatio = volumeSpan / volumeRange;
int volVal = qMin( 255, 100 + static_cast<int>( volumeRatio * 155.0f) );
// Panning
float const panningRange = static_cast<float>(PanningRight - PanningLeft);
float const leftPanSpan = static_cast<float>(PanningRight - n->getPanning());
float const rightPanSpan = static_cast<float>(n->getPanning() - PanningLeft);
float leftPercent = qMin<float>( 1.0f, leftPanSpan / panningRange * 2.0f );
float rightPercent = qMin<float>( 1.0f, rightPanSpan / panningRange * 2.0f );
QColor col = QColor( noteCol );
QPen pen;
if( n->selected() )
{
col = QColor( selCol );
}
const int borderWidth = borders ? 1 : 0;
const int noteHeight = KEY_LINE_HEIGHT - 1 - borderWidth;
int noteWidth = width + 1 - borderWidth;
// adjust note to make it a bit faded if it has a lower volume
// in stereo using gradients
QColor lcol = QColor::fromHsv( col.hue(), col.saturation(),
static_cast<int>(volVal * leftPercent), noteOpc );
QColor rcol = QColor::fromHsv( col.hue(), col.saturation(),
static_cast<int>(volVal * rightPercent), noteOpc );
QLinearGradient gradient( x, y, x, y + noteHeight );
gradient.setColorAt( 0, rcol );
gradient.setColorAt( 1, lcol );
p.setBrush( gradient );
if ( borders )
{
p.setPen( col );
}
else
{
p.setPen( Qt::NoPen );
}
p.drawRect( x, y, noteWidth, noteHeight );
// Draw note key text
if (drawNoteName)
{
p.save();
int const noteTextHeight = static_cast<int>(noteHeight * 0.8);
if (noteTextHeight > 6)
{
QString noteKeyString = getNoteString(n->key());
QFont noteFont(p.font());
noteFont.setPixelSize(noteTextHeight);
QFontMetrics fontMetrics(noteFont);
QSize textSize = fontMetrics.size(Qt::TextSingleLine, noteKeyString);
int const distanceToBorder = 2;
int const xOffset = borderWidth + distanceToBorder;
int const yOffset = (noteHeight + noteTextHeight) / 2;
if (textSize.width() < noteWidth - xOffset)
{
p.setPen(noteTextColor);
p.setFont(noteFont);
QPoint textStart(x + xOffset, y + yOffset);
p.drawText(textStart, noteKeyString);
}
}
p.restore();
}
// draw the note endmark, to hint the user to resize
p.setBrush( col );
if( width > 2 )
{
const int endmarkWidth = 3 - borderWidth;
p.drawRect( x + noteWidth - endmarkWidth, y, endmarkWidth, noteHeight );
}
}
void PianoRoll::drawDetuningInfo( QPainter & _p, const Note * _n, int _x,
int _y ) const
{
int middle_y = _y + KEY_LINE_HEIGHT / 2;
_p.setPen( noteColor() );
int old_x = 0;
int old_y = 0;
timeMap & map = _n->detuning()->automationPattern()->getTimeMap();
for( timeMap::ConstIterator it = map.begin(); it != map.end(); ++it )
{
int pos_ticks = it.key();
int pos_x = _x + pos_ticks * m_ppt / MidiTime::ticksPerTact();
const float level = it.value();
int pos_y = middle_y - level * KEY_LINE_HEIGHT;
if( old_x != 0 && old_y != 0 )
{
switch( _n->detuning()->automationPattern()->progressionType() )
{
case AutomationPattern::DiscreteProgression:
_p.drawLine( old_x, old_y, pos_x, old_y );
_p.drawLine( pos_x, old_y, pos_x, pos_y );
break;
case AutomationPattern::CubicHermiteProgression: /* TODO */
case AutomationPattern::LinearProgression:
_p.drawLine( old_x, old_y, pos_x, pos_y );
break;
}
}
_p.drawLine( pos_x - 1, pos_y, pos_x + 1, pos_y );
_p.drawLine( pos_x, pos_y - 1, pos_x, pos_y + 1 );
old_x = pos_x;
old_y = pos_y;
}
}
void PianoRoll::removeSelection()
{
m_selectStartTick = 0;
m_selectedTick = 0;
m_selectStartKey = 0;
m_selectedKeys = 0;
}
void PianoRoll::clearSelectedNotes()
{
if( m_pattern != NULL )
{
for( Note *note : m_pattern->notes() )
{
note->setSelected( false );
}
}
}
void PianoRoll::shiftSemiTone( int amount ) // shift notes by amount semitones
{
if (!hasValidPattern()) {return;}
bool useAllNotes = ! isSelection();
for( Note *note : m_pattern->notes() )
{
// if none are selected, move all notes, otherwise
// only move selected notes
if( useAllNotes || note->selected() )
{
note->setKey( note->key() + amount );