itsmattkc
c2e47a296c
Features a lot of timeline-related cache optimizations as well as general optimizations and improvements in timeline behavior. Should improve usability significantly.
137 lines
4.0 KiB
C++
137 lines
4.0 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "widget/timelinewidget/timelinewidget.h"
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#include "node/block/gap/gap.h"
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#include "widget/nodeview/nodeviewundo.h"
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OLIVE_NAMESPACE_ENTER
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TimelineWidget::SlideTool::SlideTool(TimelineWidget* parent) :
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PointerTool(parent)
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{
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SetTrimmingAllowed(false);
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SetTrackMovementAllowed(false);
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SetTrimOverwriteAllowed(true);
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}
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struct TrackBlockListPair {
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TrackReference track;
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QList<Block*> blocks;
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};
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void TimelineWidget::SlideTool::InitiateDrag(TimelineViewBlockItem *clicked_item,
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Timeline::MovementMode trim_mode,
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bool allow_gap_trimming)
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{
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Q_UNUSED(allow_gap_trimming)
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PointerTool::InitiateDrag(clicked_item, trim_mode, true);
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// Sort blocks into tracks
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QList<TrackBlockListPair> blocks_per_track;
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foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
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Block* b = Node::ValueToPtr<Block>(ghost->data(TimelineViewGhostItem::kAttachedBlock));
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bool found = false;
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for (int i=0;i<blocks_per_track.size();i++) {
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if (blocks_per_track.at(i).track == ghost->Track()) {
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blocks_per_track[i].blocks.append(b);
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found = true;
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break;
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}
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}
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if (!found) {
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blocks_per_track.append({ghost->Track(), {b}});
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}
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}
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// Make contiguous runs of blocks per each track
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foreach (const TrackBlockListPair& p, blocks_per_track) {
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// Blocks must be merged if any are non-adjacent
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const TrackReference& track = p.track;
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const QList<Block*>& blocks = p.blocks;
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Block* earliest_block = blocks.first();
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Block* latest_block = blocks.first();
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// Find the earliest and latest selected blocks
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for (int j=1;j<blocks.size();j++) {
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Block* compare = blocks.at(j);
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if (compare->in() < earliest_block->in()) {
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earliest_block = compare;
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}
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if (compare->in() > latest_block->in()) {
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latest_block = compare;
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}
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}
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// Add any blocks between these blocks that aren't already in the list
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if (earliest_block != latest_block) {
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Block* b = earliest_block;
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while ((b = b->next()) != latest_block) {
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if (!blocks.contains(b)) {
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AddGhostFromBlock(b, track, Timeline::kMove);
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}
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}
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}
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// Add surrounding blocks that will be trimming instead of moving
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if (earliest_block->previous()) {
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AddGhostFromBlock(earliest_block->previous(), track, Timeline::kTrimOut);
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}
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if (latest_block->next()) {
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AddGhostFromBlock(latest_block->next(), track, Timeline::kTrimIn);
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}
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}
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}
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void TimelineWidget::SlideTool::FinishDrag(TimelineViewMouseEvent *event)
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{
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Q_UNUSED(event)
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QVector<TrackSlideCommand::BlockSlideInfo> info;
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foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
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if (!ghost->HasBeenAdjusted()) {
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continue;
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}
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Block* b = Node::ValueToPtr<Block>(ghost->data(TimelineViewGhostItem::kAttachedBlock));
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info.append({parent()->GetTrackFromReference(ghost->Track()),
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b,
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ghost->mode(),
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ghost->mode() == Timeline::kMove ? ghost->GetAdjustedIn() : ghost->AdjustedLength(),
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ghost->mode() == Timeline::kMove ? ghost->In() : ghost->Length()});
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}
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if (!info.isEmpty()) {
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Core::instance()->undo_stack()->push(new TrackSlideCommand(info));
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}
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}
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OLIVE_NAMESPACE_EXIT
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