123 lines
2.8 KiB
C++
123 lines
2.8 KiB
C++
/***
|
|
|
|
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/transition/transition.h"
|
|
#include "widget/nodeview/nodeviewundo.h"
|
|
|
|
OLIVE_NAMESPACE_ENTER
|
|
|
|
TimelineTool::TimelineTool(TimelineWidget *parent) :
|
|
dragging_(false),
|
|
parent_(parent)
|
|
{
|
|
}
|
|
|
|
TimelineTool::~TimelineTool()
|
|
{
|
|
}
|
|
|
|
TimelineWidget *TimelineTool::parent()
|
|
{
|
|
return parent_;
|
|
}
|
|
|
|
Timeline::MovementMode TimelineTool::FlipTrimMode(const Timeline::MovementMode &trim_mode)
|
|
{
|
|
if (trim_mode == Timeline::kTrimIn) {
|
|
return Timeline::kTrimOut;
|
|
}
|
|
|
|
if (trim_mode == Timeline::kTrimOut) {
|
|
return Timeline::kTrimIn;
|
|
}
|
|
|
|
return trim_mode;
|
|
}
|
|
|
|
rational TimelineTool::ValidateTimeMovement(rational movement)
|
|
{
|
|
foreach (TimelineViewGhostItem* ghost, parent()->GetGhostItems()) {
|
|
if (ghost->GetMode() != Timeline::kMove) {
|
|
continue;
|
|
}
|
|
|
|
// Prevents any ghosts from going below 0:00:00 time
|
|
if (ghost->GetIn() + movement < 0) {
|
|
movement = -ghost->GetIn();
|
|
}
|
|
}
|
|
|
|
return movement;
|
|
}
|
|
|
|
int TimelineTool::ValidateTrackMovement(int movement, const QVector<TimelineViewGhostItem*>& ghosts)
|
|
{
|
|
foreach (TimelineViewGhostItem* ghost, ghosts) {
|
|
if (ghost->GetMode() != Timeline::kMove) {
|
|
continue;
|
|
}
|
|
|
|
if (!ghost->GetCanMoveTracks()) {
|
|
|
|
return 0;
|
|
|
|
} else if (ghost->GetTrack().index() + movement < 0) {
|
|
|
|
// Prevents any ghosts from going to a non-existent negative track
|
|
movement = -ghost->GetTrack().index();
|
|
|
|
}
|
|
}
|
|
|
|
return movement;
|
|
}
|
|
|
|
void TimelineTool::GetGhostData(rational *earliest_point, rational *latest_point)
|
|
{
|
|
rational ep = RATIONAL_MAX;
|
|
rational lp = RATIONAL_MIN;
|
|
|
|
foreach (TimelineViewGhostItem* ghost, parent()->GetGhostItems()) {
|
|
ep = qMin(ep, ghost->GetAdjustedIn());
|
|
lp = qMax(lp, ghost->GetAdjustedOut());
|
|
}
|
|
|
|
if (earliest_point) {
|
|
*earliest_point = ep;
|
|
}
|
|
|
|
if (latest_point) {
|
|
*latest_point = lp;
|
|
}
|
|
}
|
|
|
|
void TimelineTool::InsertGapsAtGhostDestination(QUndoCommand *command)
|
|
{
|
|
rational earliest_point, latest_point;
|
|
|
|
GetGhostData(&earliest_point, &latest_point);
|
|
|
|
parent()->InsertGapsAt(earliest_point, latest_point - earliest_point, command);
|
|
}
|
|
|
|
OLIVE_NAMESPACE_EXIT
|