itsmattkc
c2e47a296c
Features a lot of timeline-related cache optimizations as well as general optimizations and improvements in timeline behavior. Should improve usability significantly.
76 lines
2.7 KiB
C++
76 lines
2.7 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::RollingTool::RollingTool(TimelineWidget* parent) :
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PointerTool(parent)
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{
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SetMovementAllowed(false);
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SetTrimOverwriteAllowed(true);
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}
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void TimelineWidget::RollingTool::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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PointerTool::InitiateDrag(clicked_item, trim_mode, true);
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// For each ghost, we make an equivalent Ghost on the next/previous block
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foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
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Block* ghost_block = Node::ValueToPtr<Block>(ghost->data(TimelineViewGhostItem::kAttachedBlock));
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if (ghost->mode() == Timeline::kTrimIn && ghost_block->previous()) {
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// Add an extra Ghost for the previous block
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AddGhostFromBlock(ghost_block->previous(), ghost->Track(), Timeline::kTrimOut);
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} else if (ghost->mode() == Timeline::kTrimOut && ghost_block->next()) {
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AddGhostFromBlock(ghost_block->next(), ghost->Track(), Timeline::kTrimIn);
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}
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}
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}
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void TimelineWidget::RollingTool::FinishDrag(TimelineViewMouseEvent *event)
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{
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QUndoCommand* command = new QUndoCommand();
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// Find earliest point to ripple around
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foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
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if (ghost->mode() == drag_movement_mode()) {
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Block* b = Node::ValueToPtr<Block>(ghost->data(TimelineViewGhostItem::kAttachedBlock));
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BlockTrimCommand* c = new BlockTrimCommand(parent()->GetTrackFromReference(ghost->Track()),
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b,
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ghost->AdjustedLength(),
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drag_movement_mode(),
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command);
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c->SetAllowNonGapTrimming(true);
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}
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}
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Core::instance()->undo_stack()->pushIfHasChildren(command);
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}
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OLIVE_NAMESPACE_EXIT
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