void KeyframeEdit::slotAddKeyframe()
{
keyframe_list->blockSignals(true);
QTableWidgetItem *item = keyframe_list->currentItem();
int row = keyframe_list->currentRow();
int col = keyframe_list->currentColumn();
int newrow = row;
int pos1 = getPos(row);
int result;
if (row < (keyframe_list->rowCount() - 1)) {
result = pos1 + (getPos(row + 1) - pos1) / 2;
newrow++;
} else if (row == 0) {
if (pos1 == m_min) {
result = m_max;
newrow++;
} else {
result = m_min;
}
} else {
if (pos1 < m_max) {
// last keyframe selected and it is not at end of clip -> add keyframe at the end
result = m_max;
newrow++;
} else {
int pos2 = getPos(row - 1);
result = pos2 + (pos1 - pos2) / 2;
}
}
keyframe_list->insertRow(newrow);
keyframe_list->setVerticalHeaderItem(newrow, new QTableWidgetItem(getPosString(result)));
for (int i = 0; i < keyframe_list->columnCount(); ++i)
keyframe_list->setItem(newrow, i, new QTableWidgetItem(keyframe_list->item(item->row(), i)->text()));
keyframe_list->resizeRowsToContents();
slotAdjustKeyframeInfo();
keyframe_list->blockSignals(false);
generateAllParams();
button_delete->setEnabled(keyframe_list->rowCount() > 1);
keyframe_list->setCurrentCell(newrow, col);
keyframe_list->selectRow(newrow);
//slotGenerateParams(newrow, 0);
}
void KeyframeEdit::slotDeleteKeyframe()
{
if (keyframe_list->rowCount() < 2)
return;
int col = keyframe_list->currentColumn();
int row = keyframe_list->currentRow();
keyframe_list->removeRow(keyframe_list->currentRow());
row = qMin(row, keyframe_list->rowCount() - 1);
keyframe_list->setCurrentCell(row, col);
keyframe_list->selectRow(row);
generateAllParams();
bool disable = keyframe_list->rowCount() < 2;
button_delete->setEnabled(!disable);
disable &= getPos(0) == m_min;
widgetTable->setHidden(disable);
buttonKeyframes->setHidden(!disable);
}
void KeyframeEdit::slotAddKeyframe(int pos)
{
keyframe_list->blockSignals(true);
int row = 0;
int col = keyframe_list->currentColumn();
int newrow = row;
int result = pos;
if (result > 0) {
// A position was provided
for (; newrow < keyframe_list->rowCount(); newrow++) {
int rowPos = getPos(newrow);
if (rowPos > result) {
break;
}
}
} else {
row = keyframe_list->currentRow();
newrow = row;
int pos1 = getPos(row);
if (row < (keyframe_list->rowCount() - 1)) {
result = pos1 + (getPos(row + 1) - pos1) / 2;
newrow++;
} else if (row == 0) {
if (pos1 == m_min) {
result = m_max;
newrow++;
} else {
result = m_min;
}
} else {
if (pos1 < m_max) {
// last keyframe selected and it is not at end of clip -> add keyframe at the end
result = m_max;
newrow++;
} else {
int pos2 = getPos(row - 1);
result = pos2 + (pos1 - pos2) / 2;
}
}
}
// Calculate new values
QList <double> previousValues;
QList <double> nextValues;
int rowCount = keyframe_list->rowCount();
// Insert new row
keyframe_list->insertRow(newrow);
keyframe_list->setVerticalHeaderItem(newrow, new QTableWidgetItem(getPosString(result)));
// If keyframe is inserted at start
if (newrow == 0) {
for (int i = 0; i < keyframe_list->columnCount(); ++i) {
int newValue = keyframe_list->item(1, i)->text().toDouble();
keyframe_list->setItem(newrow, i, new QTableWidgetItem(QString::number(newValue)));
}
} else if (newrow == rowCount){
// Keyframe inserted at end
for (int i = 0; i < keyframe_list->columnCount(); ++i) {
int newValue = keyframe_list->item(rowCount - 1, i)->text().toDouble();
keyframe_list->setItem(newrow, i, new QTableWidgetItem(QString::number(newValue)));
}
} else {
// Interpolate
int previousPos = getPos(newrow - 1);
int nextPos = getPos(newrow + 1);
if (nextPos > previousPos) {
double factor = ((double) result - previousPos) / (nextPos - previousPos);
for (int i = 0; i < keyframe_list->columnCount(); ++i) {
double previousValues = keyframe_list->item(newrow - 1, i)->text().toDouble();
double nextValues = keyframe_list->item(newrow + 1, i)->text().toDouble();
int newValue = (int) (previousValues + (nextValues- previousValues) * factor);
keyframe_list->setItem(newrow, i, new QTableWidgetItem(QString::number(newValue)));
}
}
}
keyframe_list->resizeRowsToContents();
keyframe_list->setCurrentCell(newrow, col);
slotAdjustKeyframeInfo();
keyframe_list->blockSignals(false);
generateAllParams();
if (rowCount == 1) {
// there was only one keyframe before, so now enable keyframe mode
slotKeyframeMode();
}
button_delete->setEnabled(keyframe_list->rowCount() > 1);
}
