Files
oak-editor/app/widget/timelinewidget/view/timelineviewghostitem.cpp
T
itsmattkc 61c60e00d6 various small code cleanups and improvements
Largely refactoring work to make the code somewhat nicer to work with.
2019-12-26 19:00:08 +11:00

203 lines
4.1 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 "timelineviewghostitem.h"
#include <QPainter>
TimelineViewGhostItem::TimelineViewGhostItem(QGraphicsItem *parent) :
TimelineViewRect(parent),
track_adj_(0),
stream_(nullptr),
mode_(Timeline::kNone),
can_have_zero_length_(true)
{
SetInvisible(false);
}
TimelineViewGhostItem *TimelineViewGhostItem::FromBlock(Block *block, const TrackReference& track, int y, int height)
{
TimelineViewGhostItem* ghost = new TimelineViewGhostItem();
ghost->SetIn(block->in());
ghost->SetOut(block->out());
ghost->SetMediaIn(block->media_in());
ghost->SetTrack(track);
ghost->SetYCoords(y, height);
ghost->setData(kAttachedBlock, Node::PtrToValue(block));
if (block->type() == Block::kClip) {
ghost->can_have_zero_length_ = false;
}
return ghost;
}
bool TimelineViewGhostItem::CanHaveZeroLength()
{
return can_have_zero_length_;
}
void TimelineViewGhostItem::SetInvisible(bool invisible)
{
setBrush(Qt::NoBrush);
if (invisible) {
setPen(Qt::NoPen);
} else {
setPen(QPen(Qt::yellow, 2)); // FIXME: Make customizable via CSS
}
}
const rational &TimelineViewGhostItem::In() const
{
return in_;
}
const rational &TimelineViewGhostItem::Out() const
{
return out_;
}
const rational &TimelineViewGhostItem::MediaIn() const
{
return media_in_;
}
rational TimelineViewGhostItem::Length() const
{
return out_ - in_;
}
rational TimelineViewGhostItem::AdjustedLength() const
{
return GetAdjustedOut() - GetAdjustedIn();
}
void TimelineViewGhostItem::SetIn(const rational &in)
{
in_ = in;
UpdateRect();
}
void TimelineViewGhostItem::SetOut(const rational &out)
{
out_ = out;
UpdateRect();
}
void TimelineViewGhostItem::SetMediaIn(const rational &media_in)
{
media_in_ = media_in;
}
void TimelineViewGhostItem::SetInAdjustment(const rational &in_adj)
{
in_adj_ = in_adj;
UpdateRect();
}
void TimelineViewGhostItem::SetOutAdjustment(const rational &out_adj)
{
out_adj_ = out_adj;
UpdateRect();
}
void TimelineViewGhostItem::SetTrackAdjustment(const int &track_adj)
{
track_adj_ = track_adj;
}
void TimelineViewGhostItem::SetMediaInAdjustment(const rational &media_in_adj)
{
media_in_adj_ = media_in_adj;
}
const rational &TimelineViewGhostItem::InAdjustment() const
{
return in_adj_;
}
const rational &TimelineViewGhostItem::OutAdjustment() const
{
return out_adj_;
}
const rational &TimelineViewGhostItem::MediaInAdjustment() const
{
return media_in_adj_;
}
const int &TimelineViewGhostItem::TrackAdjustment() const
{
return track_adj_;
}
rational TimelineViewGhostItem::GetAdjustedIn() const
{
return in_ + in_adj_;
}
rational TimelineViewGhostItem::GetAdjustedOut() const
{
return out_ + out_adj_;
}
rational TimelineViewGhostItem::GetAdjustedMediaIn() const
{
return media_in_ + media_in_adj_;
}
TrackReference TimelineViewGhostItem::GetAdjustedTrack() const
{
return TrackReference(track_.type(), track_.index() + track_adj_);
}
const Timeline::MovementMode &TimelineViewGhostItem::mode() const
{
return mode_;
}
void TimelineViewGhostItem::SetMode(const Timeline::MovementMode &mode)
{
mode_ = mode;
}
bool TimelineViewGhostItem::HasBeenAdjusted() const
{
return InAdjustment() != 0
|| OutAdjustment() != 0
|| MediaInAdjustment() != 0
|| TrackAdjustment() != 0;
}
void TimelineViewGhostItem::UpdateRect()
{
rational length = GetAdjustedOut() - GetAdjustedIn();
setRect(0, y_, TimeToScene(length), height_ - 1);
setPos(TimeToScene(GetAdjustedIn()), 0);
}