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- use automation capabilities using a helper knob

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- added context menu
- added save/load methods
- use raw keycodes to play the piano


git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@216 0778d3d1-df1d-0410-868b-ea421aaaa00d
This commit is contained in:
Javier Serrano Polo
2006-07-09 01:05:26 +00:00
parent 72c154994b
commit 908f13c715
2 changed files with 148 additions and 30 deletions
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12
include/piano_widget.h
View File

@@ -44,6 +44,7 @@
#endif
#include "knob.h"
#include "note.h"
#include "templates.h"
@@ -73,8 +74,14 @@ public:
update();
}
virtual void saveSettings( QDomDocument & _doc, QDomElement & _this,
const QString & _name );
virtual void loadSettings( const QDomElement & _this,
const QString & _name );
protected:
virtual void contextMenuEvent( QContextMenuEvent * _me );
virtual void paintEvent( QPaintEvent * );
virtual void mousePressEvent( QMouseEvent * me );
virtual void mouseReleaseEvent( QMouseEvent * me );
@@ -82,6 +89,7 @@ protected:
virtual void keyPressEvent( QKeyEvent * ke );
virtual void keyReleaseEvent( QKeyEvent * ke );
virtual void focusOutEvent( QFocusEvent * _fe );
virtual bool x11Event( XEvent * _xe );
private:
@@ -102,10 +110,14 @@ private:
octaves m_startOctave;
int m_lastKey;
unsigned int m_keycode;
knob * m_noteKnob;
private slots:
void pianoScrolled( int _new_pos );
void updateBaseNote( void );
} ;

166
src/core/piano_widget.cpp
View File

@@ -30,13 +30,19 @@
#ifdef QT4
#include <QtGui/QCursor>
#include <QtGui/QKeyEvent>
#include <QtGui/QLabel>
#include <QtGui/QMenu>
#include <QtGui/QMouseEvent>
#include <QtGui/QPainter>
#else
#include <qcursor.h>
#include <qlabel.h>
#include <qpainter.h>
#include <qpopupmenu.h>
#endif
@@ -47,6 +53,12 @@
#include "templates.h"
#include "embed.h"
#ifdef Q_WS_X11
#include <X11/Xlib.h>
#endif
const keyTypes KEY_ORDER[] =
{
@@ -139,6 +151,14 @@ pianoWidget::pianoWidget( instrumentTrack * _parent ) :
// set background-mode for flicker-free redraw
setBackgroundMode( Qt::NoBackground );
#endif
m_noteKnob = new knob( knobDark_28, NULL, tr ( "Base note" ),
_parent->eng(), _parent );
m_noteKnob->setRange( 0, NOTES_PER_OCTAVE * OCTAVES - 1, 1.0f );
m_noteKnob->setInitValue( DEFAULT_OCTAVE * NOTES_PER_OCTAVE + A );
connect( m_noteKnob, SIGNAL( valueChanged( float ) ), this,
SLOT( updateBaseNote( void ) ) );
}
@@ -146,6 +166,7 @@ pianoWidget::pianoWidget( instrumentTrack * _parent ) :
pianoWidget::~pianoWidget()
{
delete m_noteKnob;
}
@@ -215,6 +236,36 @@ void pianoWidget::pianoScrolled( int _new_pos )
void pianoWidget::contextMenuEvent( QContextMenuEvent * _me )
{
if( _me->pos().y() > PIANO_BASE )
{
QWidget::contextMenuEvent( _me );
return;
}
QMenu contextMenu( this );
#ifdef QT4
contextMenu.setTitle( m_noteKnob->accessibleName() );
#else
QLabel * caption = new QLabel( "<font color=white><b>" +
QString( m_noteKnob->accessibleName() ) + "</b></font>",
this );
caption->setPaletteBackgroundColor( QColor( 0, 0, 192 ) );
caption->setAlignment( Qt::AlignCenter );
contextMenu.addAction( caption );
#endif
//TODO: Change icon
contextMenu.addAction( embed::getIconPixmap( "piano" ),
tr( "&Open in automation editor" ),
m_noteKnob->getAutomationPattern(),
SLOT( openInAutomationEditor() ) );
contextMenu.exec( QCursor::pos() );
}
// handler for mouse-click-event
void pianoWidget::mousePressEvent( QMouseEvent * _me )
{
@@ -250,6 +301,7 @@ void pianoWidget::mousePressEvent( QMouseEvent * _me )
}
else
{
m_noteKnob->setInitValue( key_num );
m_instrumentTrack->setBaseNote( key_num );
}
@@ -325,6 +377,7 @@ void pianoWidget::mouseMoveEvent( QMouseEvent * _me )
}
else
{
m_noteKnob->setInitValue( key_num );
m_instrumentTrack->setBaseNote( key_num );
}
}
@@ -345,37 +398,37 @@ void pianoWidget::mouseMoveEvent( QMouseEvent * _me )
int pianoWidget::getKeyFromKeyboard( int _k ) const
{
switch( _k )
switch( m_keycode )
{
case Qt::Key_Y: return( 0 );
case Qt::Key_S: return( 1 );
case Qt::Key_X: return( 2 );
case Qt::Key_D: return( 3 );
case Qt::Key_C: return( 4 );
case Qt::Key_V: return( 5 );
case Qt::Key_G: return( 6 );
case Qt::Key_B: return( 7 );
case Qt::Key_H: return( 8 );
case Qt::Key_N: return( 9 );
case Qt::Key_J: return( 10 );
case Qt::Key_M: return( 11 );
case Qt::Key_Q: return( 12 );
case Qt::Key_2: return( 13 );
case Qt::Key_W: return( 14 );
case Qt::Key_3: return( 15 );
case Qt::Key_E: return( 16 );
case Qt::Key_R: return( 17 );
case Qt::Key_5: return( 18 );
case Qt::Key_T: return( 19 );
case Qt::Key_6: return( 20 );
case Qt::Key_Z: return( 21 );
case Qt::Key_7: return( 22 );
case Qt::Key_U: return( 23 );
case Qt::Key_I: return( 24 );
case Qt::Key_9: return( 25 );
case Qt::Key_O: return( 26 );
case Qt::Key_0: return( 27 );
case Qt::Key_P: return( 28 );
case 52: return( 0 ); // Y
case 39: return( 1 ); // S
case 53: return( 2 ); // X
case 40: return( 3 ); // D
case 54: return( 4 ); // C
case 55: return( 5 ); // V
case 42: return( 6 ); // G
case 56: return( 7 ); // B
case 43: return( 8 ); // H
case 57: return( 9 ); // N
case 44: return( 10 ); // J
case 58: return( 11 ); // M
case 24: return( 12 ); // Q
case 11: return( 13 ); // 2
case 25: return( 14 ); // W
case 12: return( 15 ); // 3
case 26: return( 16 ); // E
case 27: return( 17 ); // R
case 14: return( 18 ); // 5
case 28: return( 19 ); // T
case 15: return( 20 ); // 6
case 29: return( 21 ); // Z
case 16: return( 22 ); // 7
case 30: return( 23 ); // U
case 31: return( 24 ); // I
case 18: return( 25 ); // 9
case 32: return( 26 ); // O
case 19: return( 27 ); // 0
case 33: return( 28 ); // P
}
return( -100 );
@@ -629,6 +682,59 @@ void pianoWidget::paintEvent( QPaintEvent * )
void pianoWidget::updateBaseNote( void )
{
m_instrumentTrack->setBaseNote( (int)roundf( m_noteKnob->value() ),
FALSE );
update();
}
void pianoWidget::saveSettings( QDomDocument & _doc, QDomElement & _this,
const QString & _name )
{
m_noteKnob->saveSettings( _doc, _this, _name );
}
void pianoWidget::loadSettings( const QDomElement & _this,
const QString & _name )
{
if( _this.hasAttribute( "baseoct" ) )
{
m_noteKnob->setInitValue( _this.attribute( "baseoct" ).toInt()
* NOTES_PER_OCTAVE
+ _this.attribute( "basetone" ).toInt() );
}
else
{
m_noteKnob->loadSettings( _this, _name );
}
updateBaseNote();
}
bool pianoWidget::x11Event( XEvent * _xe )
{
switch( _xe->type )
{
case KeyPress:
case KeyRelease:
m_keycode = _xe->xkey.keycode;
}
return( FALSE );
}
#include "piano_widget.moc"