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Add option to show note values on notes in Piano Roll (#4466)

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Add the option to show note values on notes in the Piano Roll. This
functionality is currently coupled with the option "Enable note labels
in piano roll" which can be found in the main menu.

The notes are rendered at about 80% of the notes height. They are only
rendered if they fit on the whole note and if the font does not become
too tiny.

Enable the configuration of the note value text's color via the
stylesheets and set the value to white for both shipped themes.

Other changes:
* Clean up some warnings about old school casts and implicit casts.
This commit is contained in:
Michael Gregorius
2018-07-07 16:50:37 +02:00
parent 1efcec7790
commit 0dc28436fa
4 changed files with 61 additions and 16 deletions
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67
src/gui/editors/PianoRoll.cpp
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@@ -751,6 +751,12 @@ QColor PianoRoll::noteColor() const
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; }
@@ -810,8 +816,8 @@ void PianoRoll::setBackgroundShade( const QColor & c )
void PianoRoll::drawNoteRect( QPainter & p, int x, int y,
int width, const Note * n, const QColor & noteCol,
const QColor & selCol, const int noteOpc, const bool borders )
int width, const Note * n, const QColor & noteCol, const QColor & noteTextColor,
const QColor & selCol, const int noteOpc, const bool borders, bool drawNoteName )
{
++x;
++y;
@@ -822,15 +828,19 @@ void PianoRoll::drawNoteRect( QPainter & p, int x, int y,
width = 2;
}
int volVal = qMin( 255, 100 + (int) ( ( (float)( n->getVolume() - MinVolume ) ) /
( (float)( MaxVolume - MinVolume ) ) * 155.0f) );
float rightPercent = qMin<float>( 1.0f,
( (float)( n->getPanning() - PanningLeft ) ) /
( (float)( PanningRight - PanningLeft ) ) * 2.0f );
// 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) );
float leftPercent = qMin<float>( 1.0f,
( (float)( PanningRight - n->getPanning() ) ) /
( (float)( PanningRight - PanningLeft ) ) * 2.0f );
// 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;
@@ -848,9 +858,9 @@ void PianoRoll::drawNoteRect( QPainter & p, int x, int y,
// 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(),
volVal * leftPercent, noteOpc );
static_cast<int>(volVal * leftPercent), noteOpc );
QColor rcol = QColor::fromHsv( col.hue(), col.saturation(),
volVal * rightPercent, noteOpc );
static_cast<int>(volVal * rightPercent), noteOpc );
QLinearGradient gradient( x, y, x, y + noteHeight );
gradient.setColorAt( 0, rcol );
@@ -868,6 +878,35 @@ void PianoRoll::drawNoteRect( QPainter & p, int x, int y,
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;
if (textSize.width() < noteWidth - xOffset)
{
p.setPen(noteTextColor);
p.setFont(noteFont);
QPoint textStart(x + xOffset, y + (noteTextHeight + (noteHeight - noteTextHeight) / 2));
p.drawText(textStart, noteKeyString);
}
}
p.restore();
}
// draw the note endmark, to hint the user to resize
p.setBrush( col );
if( width > 2 )
@@ -3022,8 +3061,8 @@ void PianoRoll::paintEvent(QPaintEvent * pe )
// note
drawNoteRect( p, x + WHITE_KEY_WIDTH,
y_base - key * KEY_LINE_HEIGHT,
note_width, note, noteColor(), selectedNoteColor(),
noteOpacity(), noteBorders() );
note_width, note, noteColor(), noteTextColor(), selectedNoteColor(),
noteOpacity(), noteBorders(), drawNoteNames );
}
// draw note editing stuff