void MusicBar::updateTimeSig(QAction *action)
{
QRegExp regex("[123469]{1,2}/[248]"); // TimeSignature Action
if(regex.indexIn(action->text()) != -1 ){
setTimeSig(action->data().toInt());
}
}
// read the file ahead to collect info about the song first
void CSong::midiFileInfo()
{
m_trackList->clear();
setTimeSig(0,0);
CStavePos::setKeySignature( NOT_USED, 0 );
// Read the next events to find the active channels
CMidiEvent event;
while ( true )
{
event = m_midiFile->readMidiEvent();
m_trackList->examineMidiEvent(event);
if (event.type() == MIDI_PB_timeSignature)
{
setTimeSig(event.data1(),event.data2());
}
if (event.type() == MIDI_PB_EOF)
break;
}
}
PianoRoll::PianoRoll(AudioProcessor* _plugin, AudioProcessorEditor* _owner, Timeline* _timeline)
: sequence(0),
hoveringNoteIndex(-1),
hoveringNote(0),
timebase(960.0),
numEvents(0),
snapToGrid(true),
defaultChannel(0),
playTime(0.0),
timeSigN(0),
timeSigD(0),
beatSize(0),
barSize(0),
gridSize(0),
timeline(0),
draggingNoteTransposition(0),
draggingNoteTimeDelta(0)
{
plugin = _plugin;
owner = _owner;
timeline = _timeline;
blankLength=timebase*16.0;
pixelsPerPpq = (float)(800.0/blankLength);
setNoteLength(4.f);
setTimeSig(4,4);
addAndMakeVisible(bg = new PianoRollBackground());
bg->setInterceptsMouseClicks(false,false);
addAndMakeVisible(noteLayer = new PianoRollNotes());
noteLayer->setInterceptsMouseClicks(false,false);
addAndMakeVisible(playline = new Playbar(this));
playline->setInterceptsMouseClicks(false,false);
setSize(800,800);
lasso.setBounds(0,0,0,0);
wasResizing = false;
}