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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "widget/timelinewidget/timelinewidget.h"
#include "node/block/gap/gap.h"
#include "widget/nodeview/nodeviewundo.h"
OLIVE_NAMESPACE_ENTER
TimelineWidget::RollingTool::RollingTool(TimelineWidget* parent) :
PointerTool(parent)
{
SetMovementAllowed(false);
SetTrimOverwriteAllowed(true);
SetGapTrimmingAllowed(true);
}
void TimelineWidget::RollingTool::InitiateDrag(TimelineViewBlockItem *clicked_item,
Timeline::MovementMode trim_mode)
{
PointerTool::InitiateDrag(clicked_item, trim_mode);
// For each ghost, we make an equivalent Ghost on the next/previous block
foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
Block* ghost_block = Node::ValueToPtr<Block>(ghost->data(TimelineViewGhostItem::kAttachedBlock));
if (ghost->mode() == Timeline::kTrimIn && ghost_block->previous()) {
// Add an extra Ghost for the previous block
AddGhostFromBlock(ghost_block->previous(), ghost->Track(), Timeline::kTrimOut);
} else if (ghost->mode() == Timeline::kTrimOut && ghost_block->next()) {
AddGhostFromBlock(ghost_block->next(), ghost->Track(), Timeline::kTrimIn);
}
}
}
void TimelineWidget::RollingTool::FinishDrag(TimelineViewMouseEvent *event)
{
QUndoCommand* command = new QUndoCommand();
// Find earliest point to ripple around
foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
if (ghost->mode() == drag_movement_mode()) {
Block* b = Node::ValueToPtr<Block>(ghost->data(TimelineViewGhostItem::kAttachedBlock));
BlockTrimCommand* c = new BlockTrimCommand(parent()->GetTrackFromReference(ghost->Track()),
b,
ghost->AdjustedLength(),
drag_movement_mode(),
command);
c->SetAllowNonGapTrimming(true);
}
}
Core::instance()->undo_stack()->pushIfHasChildren(command);
}
OLIVE_NAMESPACE_EXIT
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