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work towards making timeline actions all undoable

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This commit is contained in:
itsmattkc
2019-09-23 23:00:15 +10:00
parent d0d4756129
commit 9fa22938b9
31 changed files with 994 additions and 378 deletions
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app/node/output/timeline/timeline.cpp
+18 -80
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@@ -81,6 +81,11 @@ const QVector<TrackOutput *> &TimelineOutput::Tracks()
return track_cache_;
}
TrackOutput *TimelineOutput::TrackAt(int index)
{
return track_cache_.at(index);
}
QVariant TimelineOutput::Value(NodeOutput *output, const rational &time)
{
if (output == length_output_) {
@@ -191,6 +196,19 @@ void TimelineOutput::AddTrack()
}
}
void TimelineOutput::RemoveTrack()
{
if (track_cache_.isEmpty()) {
return;
}
TrackOutput* track = track_cache_.last();
static_cast<NodeGraph*>(parent())->TakeNode(track);
delete track;
}
TrackOutput *TimelineOutput::TrackFromBlock(Block *block)
{
Block* n = block;
@@ -263,83 +281,3 @@ void TimelineOutput::TrackEdgeRemoved(NodeEdgePtr edge)
DetachTrack(added_track);
}
}
void TimelineOutput::PlaceBlock(Block *block, rational start, int track)
{
Q_ASSERT(track >= 0);
while (track >= track_cache_.size()) {
AddTrack();
}
track_cache_.at(track)->PlaceBlock(block, start);
}
void TimelineOutput::ReplaceBlock(Block *old, Block *replace, int track)
{
track_cache_.at(track)->ReplaceBlock(old, replace);
}
void TimelineOutput::SplitAtTime(rational time, int track)
{
if (track >= track_cache_.size()) {
return;
}
track_cache_.at(track)->SplitAtTime(time);
}
void TimelineOutput::ResizeBlock(Block *block, rational new_length)
{
block->set_length(new_length);
}
void TimelineOutput::RippleBlocks(QList<Block *> blocks, rational ripple_length, olive::timeline::MovementMode mode)
{
if (blocks.isEmpty()
|| ripple_length == 0
|| (mode != olive::timeline::kTrimIn && mode != olive::timeline::kTrimOut)) {
return;
}
if (mode == olive::timeline::kTrimIn) {
// Flip the ripple length if we're trimming the in point
ripple_length = -ripple_length;
}
QVector<TrackOutput*> rippled_tracks;
rational ripple_point = RATIONAL_MAX;
// Ripple each Block as requested
foreach (Block* b, blocks) {
if (mode == olive::timeline::kTrimIn) {
ripple_point = qMin(ripple_point, b->in());
// Extend media in point
b->set_media_in(b->media_in() - ripple_length);
} else {
ripple_point = qMin(ripple_point, b->out());
}
b->set_length(b->length() + ripple_length);
rippled_tracks.append(TrackFromBlock(b));
}
// For each track that did not have a rippled clip, insert a Gap to keep all tracks synchronized
// FIXME: Assumes rippling out point further out
foreach (TrackOutput* track, track_cache_) {
if (!rippled_tracks.contains(track)) {
Block* block_after_time = track->NearestBlockAfter(ripple_point);
if (block_after_time != nullptr) {
// Insert Gap block before this Block
GapBlock* gap = new GapBlock();
gap->set_length(ripple_length);
track->InsertBlockBefore(gap, block_after_time);
}
}
}
}