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add functions to select or zoom to fit keyframes of a single input

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This commit is contained in:
itsmattkc
2021-01-24 14:06:39 +11:00
parent b45ca61d6d
commit 59da13969d
6 changed files with 149 additions and 49 deletions
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app/widget/curvewidget/curveview.cpp
+87 -31
View File
@@ -102,6 +102,34 @@ void CurveView::DisconnectInput(NodeInput *input, int element, int track)
connected_inputs_.removeOne(ref);
}
void CurveView::SelectKeyframesOf(NodeInput *input, int element, int track)
{
DeselectAll();
for (auto it=item_map().cbegin(); it!=item_map().cend(); it++) {
if (it.key()->parent() == input
&& it.key()->element() == element
&& it.key()->track() == track) {
it.value()->setSelected(true);
}
}
}
void CurveView::ZoomToFitInput(NodeInput *input, int element, int track)
{
QList<NodeKeyframe*> keys;
for (auto it=item_map().cbegin(); it!=item_map().cend(); it++) {
if (it.key()->parent() == input
&& it.key()->element() == element
&& it.key()->track() == track) {
keys.append(it.key());
}
}
ZoomToFitInternal(keys);
}
void CurveView::drawBackground(QPainter *painter, const QRectF &rect)
{
if (timebase().isNull()) {
@@ -293,7 +321,48 @@ void CurveView::ContextMenuEvent(Menu &m)
QAction* zoom_fit_action = m.addAction(tr("Zoom to Fit"));
connect(zoom_fit_action, &QAction::triggered, this, &CurveView::ZoomToFit);
//QAction* reset_zoom_action = m.addAction(tr("Reset Zoom"));
QAction* zoom_fit_selected_action = m.addAction(tr("Zoom to Fit Selected"));
connect(zoom_fit_selected_action, &QAction::triggered, this, &CurveView::ZoomToFitSelected);
QAction* reset_zoom_action = m.addAction(tr("Reset Zoom"));
connect(reset_zoom_action, &QAction::triggered, this, &CurveView::ResetZoom);
}
void CurveView::ZoomToFitInternal(const QList<NodeKeyframe *> &keys)
{
if (keys.isEmpty()) {
// Prevent scaling to DBL_MIN/DBL_MAX
return;
}
rational min_time = RATIONAL_MAX;
rational max_time = RATIONAL_MIN;
double min_val = DBL_MAX;
double max_val = DBL_MIN;
for (auto i=item_map().constBegin(); i!=item_map().constEnd(); i++) {
rational transformed_time = GetAdjustedTime(i.key()->parent()->parent(),
GetTimeTarget(),
i.key()->time(),
false);
min_time = qMin(transformed_time, min_time);
max_time = qMax(transformed_time, max_time);
min_val = qMin(i.key()->value().toDouble(), min_val);
max_val = qMax(i.key()->value().toDouble(), max_val);
}
double time_range = max_time.toDouble() - min_time.toDouble();
double new_x_scale = CalculateScaleFromDimensions(this->width(), time_range);
double new_y_scale = CalculateScaleFromDimensions(this->height(), max_val - min_val);
emit ScaleChanged(new_x_scale);
SetYScale(new_y_scale);
horizontalScrollBar()->setValue(TimeToScene(min_time) - CalculatePaddingFromDimensionScale(this->width()));
verticalScrollBar()->setValue(GetItemYFromKeyframeValue(max_val) - CalculatePaddingFromDimensionScale(this->height()));
}
qreal CurveView::GetItemYFromKeyframeValue(NodeKeyframe *key)
@@ -377,39 +446,26 @@ void CurveView::BezierControlPointDestroyed()
void CurveView::ZoomToFit()
{
if (item_map().isEmpty()) {
// Prevent scaling to DBL_MIN/DBL_MAX
return;
ZoomToFitInternal(item_map().keys());
}
void CurveView::ZoomToFitSelected()
{
QList<NodeKeyframe*> selected_keys;
for (auto it=item_map().cbegin(); it!=item_map().cend(); it++) {
if (it.value()->isSelected()) {
selected_keys.append(it.key());
}
}
rational min_time = RATIONAL_MAX;
rational max_time = RATIONAL_MIN;
ZoomToFitInternal(selected_keys);
}
double min_val = DBL_MAX;
double max_val = DBL_MIN;
for (auto i=item_map().constBegin(); i!=item_map().constEnd(); i++) {
rational transformed_time = GetAdjustedTime(i.key()->parent()->parent(),
GetTimeTarget(),
i.key()->time(),
false);
min_time = qMin(transformed_time, min_time);
max_time = qMax(transformed_time, max_time);
min_val = qMin(i.key()->value().toDouble(), min_val);
max_val = qMax(i.key()->value().toDouble(), max_val);
}
double time_range = max_time.toDouble() - min_time.toDouble();
double new_x_scale = CalculateScaleFromDimensions(this->width(), time_range);
double new_y_scale = CalculateScaleFromDimensions(this->height(), max_val - min_val);
emit ScaleChanged(new_x_scale);
SetYScale(new_y_scale);
horizontalScrollBar()->setValue(TimeToScene(min_time) - CalculatePaddingFromDimensionScale(this->width()));
verticalScrollBar()->setValue(GetItemYFromKeyframeValue(max_val) - CalculatePaddingFromDimensionScale(this->height()));
void CurveView::ResetZoom()
{
SetScale(1.0);
SetYScale(1.0);
}
void CurveView::AddKeyframe(NodeKeyframe* key)