void LoopingControl::slotLoopMove(double beats) {
if (!m_pTrack || !m_pBeats) {
return;
}
double dPosition = getCurrentSample();
double dBeatLength;
if (BpmControl::getBeatContext(m_pBeats, dPosition,
NULL, NULL, &dBeatLength, NULL)) {
int old_loop_in = m_iLoopStartSample;
int old_loop_out = m_iLoopEndSample;
int new_loop_in = m_iLoopStartSample + (beats * dBeatLength);
int new_loop_out = m_iLoopEndSample + (beats * dBeatLength);
// Should we reject any shift that goes out of bounds?
m_iLoopStartSample = new_loop_in;
if (m_pActiveBeatLoop) {
// Ugly hack -- slotBeatLoop takes "true" to mean "keep starting
// point". It gets that in-point from m_iLoopStartSample,
// which we just changed so that the loop actually shifts.
slotBeatLoop(m_pActiveBeatLoop->getSize(), true);
} else {
m_pCOLoopStartPosition->set(new_loop_in);
m_iLoopEndSample = new_loop_out;
m_pCOLoopEndPosition->set(new_loop_out);
}
seekInsideAdjustedLoop(old_loop_in, old_loop_out,
new_loop_in, new_loop_out);
}
}
void LoopingControl::slotBeatLoopActivateRoll(BeatLoopingControl* pBeatLoopControl) {
if (!m_pTrack) {
return;
}
//Disregard existing loops
m_pSlipEnabled->set(1);
slotBeatLoop(pBeatLoopControl->getSize(), false);
}
void LoopingControl::slotBeatLoopActivate(BeatLoopingControl* pBeatLoopControl) {
if (!m_pTrack) {
return;
}
// Maintain the current start point if there is an active loop currently
// looping. slotBeatLoop will update m_pActiveBeatLoop if applicable. Note,
// this used to only maintain the current start point if a beatloop was
// enabled. See Bug #1159243.
slotBeatLoop(pBeatLoopControl->getSize(), m_bLoopingEnabled);
}
void LoopingControl::slotBeatLoopActivate(BeatLoopingControl* pBeatLoopControl) {
if (!m_pTrack) {
return;
}
// Maintain the current start point if there is an active beat loop and we
// are currently looping. slotBeatLoop will update m_pActiveBeatLoop if
// applicable
bool beatLoopAlreadyActive = m_pActiveBeatLoop != NULL;
slotBeatLoop(pBeatLoopControl->getSize(),
beatLoopAlreadyActive && m_bLoopingEnabled);
}
