Files
oak-editor/app/widget/timelinewidget/tool/slip.cpp
T
2025-08-05 17:12:49 +08:00

90 lines
2.7 KiB
C++

/*
* Olive Community Edition - Non-Linear Video Editor
* Copyright (C) 2025 Olive CE 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 "slip.h"
#include <QToolTip>
#include "config/config.h"
#include "timeline/timelineundogeneral.h"
#include "widget/timelinewidget/timelinewidget.h"
namespace olive
{
SlipTool::SlipTool(TimelineWidget *parent)
: PointerTool(parent)
{
SetTrimmingAllowed(false);
SetTrackMovementAllowed(false);
}
void SlipTool::ProcessDrag(const TimelineCoordinate &mouse_pos)
{
// Determine frame movement
rational time_movement = drag_start_.GetFrame() - mouse_pos.GetFrame();
// Validate slip (enforce all ghosts moving in legal ways)
foreach (TimelineViewGhostItem *ghost, parent()->GetGhostItems()) {
if (ghost->GetMediaIn() + time_movement < 0) {
time_movement = -ghost->GetMediaIn();
}
}
// Perform slip
foreach (TimelineViewGhostItem *ghost, parent()->GetGhostItems()) {
ghost->SetMediaInAdjustment(time_movement);
}
// Generate tooltip and force it to to update (otherwise the tooltip won't move as written in the
// documentation, and could get in the way of the cursor)
rational tooltip_timebase =
parent()->GetTimebaseForTrackType(drag_start_.GetTrack().type());
QToolTip::hideText();
QToolTip::showText(QCursor::pos(),
QString::fromStdString(Timecode::time_to_timecode(
time_movement, tooltip_timebase,
Core::instance()->GetTimecodeDisplay(), true)),
parent());
}
void SlipTool::FinishDrag(TimelineViewMouseEvent *event)
{
Q_UNUSED(event)
MultiUndoCommand *command = new MultiUndoCommand();
// Find earliest point to ripple around
foreach (TimelineViewGhostItem *ghost, parent()->GetGhostItems()) {
Block *b = QtUtils::ValueToPtr<Block>(
ghost->GetData(TimelineViewGhostItem::kAttachedBlock));
ClipBlock *cb = dynamic_cast<ClipBlock *>(b);
if (cb) {
command->add_child(
new BlockSetMediaInCommand(cb, ghost->GetAdjustedMediaIn()));
}
}
Core::instance()->undo_stack()->push(
command, qApp->translate("SlipTool", "Slipped %1 Clip(s)")
.arg(parent()->GetGhostItems().size()));
}
}