hashtags/lmms
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

added panningToMidi function to easily convert panning to a midi value, dragging around a note in the piano roll makes the correct volume and panning noises

Browse Source 
git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1921 0778d3d1-df1d-0410-868b-ea421aaaa00d
This commit is contained in:
Andrew Kelley
2008-12-14 11:01:05 +00:00
parent 20f50350e6
commit 167180e670
5 changed files with 100 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

116
src/gui/piano_roll.cpp
View File

@@ -1515,11 +1515,68 @@ void pianoRoll::testPlayNote( note * n )
m_pattern->getInstrumentTrack()->processInEvent(
midiEvent( MidiNoteOn, 0, n->key(),
n->getVolume() * 127 / 100 ), midiTime() );
midiEvent evt( MidiMetaEvent, 0, n->key(),
panningToMidi( n->getPanning() ) );
evt.m_metaEvent = MidiNotePanning;
m_pattern->getInstrumentTrack()->processInEvent(
evt, midiTime() );
m_pattern->getInstrumentTrack()->processInEvent(evt, midiTime() );
}
}
void pianoRoll::pauseTestNotes( bool _pause )
{
const noteVector & notes = m_pattern->notes();
noteVector::const_iterator it = notes.begin();
while( it != notes.end() )
{
if( ( *it )->isPlaying() )
{
if( _pause )
{
// stop note
m_pattern->getInstrumentTrack()->processInEvent(
midiEvent( MidiNoteOff, 0,
( *it )->key(), 0 ), midiTime() );
}
else
{
// start note
( *it )->setIsPlaying( false );
testPlayNote( *it );
}
}
++it;
}
}
void pianoRoll::testPlayKey( int _key, int _vol, int _pan )
{
// turn off old key
m_pattern->getInstrumentTrack()->processInEvent(
midiEvent( MidiNoteOff, 0, m_lastKey, 0 ), midiTime() );
// remember which one we're playing
m_lastKey = _key;
// play new key
m_pattern->getInstrumentTrack()->processInEvent(
midiEvent( MidiNoteOn, 0, _key, _vol ), midiTime() );
// set panning of newly played key
midiEvent evt( MidiMetaEvent, 0, _key, _pan );
evt.m_metaEvent = MidiNotePanning;
m_pattern->getInstrumentTrack()->processInEvent( evt, midiTime() );
}
void pianoRoll::computeSelectedNotes(bool shift)
{
@@ -1713,36 +1770,19 @@ void pianoRoll::mouseMoveEvent( QMouseEvent * _me )
int key_num = getKey( _me->y() );
int x = _me->x();
// is the calculated key different from current key?
// (could be the user just moved the cursor one pixel up/down
// but is still on the same key)
if( key_num != m_lastKey && edit_note == false &&
_me->buttons() & Qt::LeftButton &&
( m_action == ActionMoveNote ||
( x < WHITE_KEY_WIDTH && m_action == ActionNone ) ) )
{
m_pattern->getInstrumentTrack()->processInEvent(
midiEvent( MidiNoteOff, 0, m_lastKey, 0 ),
midiTime() );
if( _me->buttons() & Qt::LeftButton )
{
m_lastKey = key_num;
int v = DefaultVolume * 127 / 100;
if( x < WHITE_KEY_WIDTH )
{
v = ( (float) x ) / ( (float) WHITE_KEY_WIDTH ) * 127;
}
m_pattern->getInstrumentTrack()->processInEvent(
midiEvent( MidiNoteOn, 0, key_num, v ), midiTime() );
}
}
if( x < WHITE_KEY_WIDTH && m_action == ActionNone )
// see if they clicked on the keyboard on the left
if( x < WHITE_KEY_WIDTH && m_action == ActionNone
&& ! edit_note && key_num != m_lastKey
&& _me->buttons() & Qt::LeftButton )
{
// clicked on a key, play the note
testPlayKey( key_num,
( (float) x ) / ( (float) WHITE_KEY_WIDTH ) * 127,
0 );
update();
return;
}
x -= WHITE_KEY_WIDTH;
if( _me->buttons() & Qt::LeftButton
@@ -1750,7 +1790,20 @@ void pianoRoll::mouseMoveEvent( QMouseEvent * _me )
&& (m_action == ActionMoveNote || m_action == ActionResizeNote ) )
{
// handle moving notes and resizing them
bool replay_note = key_num != m_lastKey
&& m_action == ActionMoveNote;
if( replay_note )
{
pauseTestNotes();
}
dragNotes(_me->x(), _me->y(), _me->modifiers() & Qt::AltModifier);
if( replay_note && m_action == ActionMoveNote )
{
pauseTestNotes( false );
}
}
else if( ( edit_note == true || m_action == ActionChangeNoteProperty ) &&
_me->buttons() & Qt::LeftButton )
@@ -1759,7 +1812,7 @@ void pianoRoll::mouseMoveEvent( QMouseEvent * _me )
// Change notes within a certain pixel range of where
// the mouse cursor is
int pixel_range = 20;
int pixel_range = 14;
// convert to ticks so that we can check which notes
// are in the range
@@ -1813,11 +1866,8 @@ void pianoRoll::mouseMoveEvent( QMouseEvent * _me )
else if( m_noteEditMode == NoteEditPanning )
{
( *it )->setPanning( pan );
midiEvent evt( MidiMetaEvent, 0, ( *it )->key(),
MidiMinPanning +
( (float)( pan - PanningLeft ) ) /
( (float)( PanningRight - PanningLeft ) ) *
( (float)( MidiMaxPanning - MidiMinPanning ) ) );
midiEvent evt( MidiMetaEvent, 0,
( *it )->key(), panningToMidi( pan ) );
evt.m_metaEvent = MidiNotePanning;
m_pattern->getInstrumentTrack()->processInEvent(
evt, midiTime() );