// Make changes due.
void qtractorTimeScaleForm::barChanged ( int iBar )
{
if (m_pTimeScale == NULL)
return;
if (m_iDirtySetup > 0)
return;
++m_iDirtySetup;
if (iBar > 0) --iBar;
qtractorTimeScale::Cursor cursor(m_pTimeScale);
qtractorTimeScale::Node *pNode = cursor.seekBar(iBar);
unsigned long iFrame = (pNode ? pNode->frameFromBar(iBar) : 0);
m_ui.TimeSpinBox->setValue(iFrame);
qtractorTimeScale::Marker *pMarker
= m_pTimeScale->markers().seekFrame(iFrame);
if (pMarker && pMarker->frame == iFrame)
setCurrentMarker(pMarker);
else
setCurrentMarker(NULL);
m_iDirtySetup = 0;
// Locate nearest list item...
if (pNode)
setCurrentItem(pNode, iFrame);
ensureVisibleFrame(iFrame);
++m_iDirtyCount;
stabilizeForm();
}
// Select(ed) node by frame (time)
void qtractorTimeScaleForm::setFrame ( unsigned long iFrame )
{
if (m_pTimeScale == NULL)
return;
++m_iDirtySetup;
qtractorTimeScale::Cursor cursor(m_pTimeScale);
qtractorTimeScale::Node *pNode = cursor.seekFrame(iFrame);
if (pNode) {
iFrame = pNode->frameSnapToBar(iFrame);
pNode = cursor.seekFrame(iFrame);
}
if (pNode) {
// Make this into view...
m_ui.BarSpinBox->setValue(pNode->barFromFrame(iFrame) + 1);
m_ui.TimeSpinBox->setValue(iFrame);
m_ui.TempoSpinBox->setTempo(pNode->tempo, false);
m_ui.TempoSpinBox->setBeatsPerBar(pNode->beatsPerBar, false);
m_ui.TempoSpinBox->setBeatDivisor(pNode->beatDivisor, true);
}
qtractorTimeScale::Marker *pMarker
= m_pTimeScale->markers().seekFrame(iFrame);
if (pMarker && pMarker->frame == iFrame)
setCurrentMarker(pMarker);
else
setCurrentMarker(NULL);
// Done.
m_iDirtySetup = 0;
// Locate nearest list item...
if (pNode)
setCurrentItem(pNode, iFrame);
stabilizeForm();
// HACK: Force focus to Bar location entry field...
m_ui.BarSpinBox->setFocus();
}
void qtractorTimeScaleForm::timeChanged ( unsigned long iFrame )
{
if (m_pTimeScale == NULL)
return;
if (m_iDirtySetup > 0)
return;
++m_iDirtySetup;
qtractorTimeScale::Cursor cursor(m_pTimeScale);
qtractorTimeScale::Node *pNode = cursor.seekFrame(iFrame);
if (pNode) {
iFrame = pNode->frameSnapToBar(iFrame);
pNode = cursor.seekFrame(iFrame);
}
if (pNode)
m_ui.BarSpinBox->setValue(pNode->barFromFrame(iFrame) + 1);
qtractorTimeScale::Marker *pMarker
= m_pTimeScale->markers().seekFrame(iFrame);
if (pMarker && pMarker->frame == iFrame)
setCurrentMarker(pMarker);
else
setCurrentMarker(NULL);
m_iDirtySetup = 0;
// Locate nearest list item...
if (pNode)
setCurrentItem(pNode, iFrame);
ensureVisibleFrame(iFrame);
++m_iDirtyCount;
stabilizeForm();
}
// Time-scale node selection slot.
void qtractorTimeScaleForm::selectItem (void)
{
if (m_pTimeScale == NULL)
return;
if (m_iDirtySetup > 0)
return;
// Check if we need an update?...
qtractorTimeScaleListItem *pListItem
= static_cast<qtractorTimeScaleListItem *> (
m_ui.TimeScaleListView->currentItem());
if (pListItem == NULL)
return;
qtractorTimeScale::Node *pNode = pListItem->node();
qtractorTimeScale::Marker *pMarker = pListItem->marker();
if (pNode == NULL && pMarker == NULL)
return;
if (m_iDirtyCount > 0) {
QMessageBox::StandardButtons buttons
= QMessageBox::Discard | QMessageBox::Cancel;
if (m_ui.UpdatePushButton->isEnabled())
buttons |= QMessageBox::Apply;
switch (QMessageBox::warning(this,
tr("Warning") + " - " QTRACTOR_TITLE,
tr("Some settings have been changed.\n\n"
"Do you want to apply the changes?"),
buttons)) {
case QMessageBox::Apply:
updateItem();
// Fall thru...
case QMessageBox::Discard:
break;;
default: // Cancel.
return;
}
}
// Get new one into view...
++m_iDirtySetup;
if (pNode) {
m_ui.BarSpinBox->setValue(pNode->bar + 1);
m_ui.TimeSpinBox->setValue(pNode->frame);
m_ui.TempoSpinBox->setTempo(pNode->tempo, false);
m_ui.TempoSpinBox->setBeatsPerBar(pNode->beatsPerBar, false);
m_ui.TempoSpinBox->setBeatDivisor(pNode->beatDivisor, true);
ensureVisibleFrame(pNode->frame);
}
if (pMarker && pNode == NULL) {
unsigned int iBar = m_pTimeScale->barFromFrame(pMarker->frame);
m_ui.BarSpinBox->setValue(iBar + 1);
m_ui.TimeSpinBox->setValue(pMarker->frame);
ensureVisibleFrame(pMarker->frame);
}
setCurrentMarker(pMarker);
m_iDirtySetup = 0;
m_iDirtyCount = 0;
stabilizeForm();
}
