Files
oak-editor/app/widget/timelinewidget/undo/timelineundosplit.h
T
2021-11-16 23:58:34 -08:00

156 lines
2.9 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2021 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/>.
***/
#ifndef TIMELINEUNDOSPLIT_H
#define TIMELINEUNDOSPLIT_H
#include "node/output/track/track.h"
namespace olive {
class BlockSplitCommand : public UndoCommand {
public:
BlockSplitCommand(Block* block, rational point) :
block_(block),
new_block_(nullptr),
point_(point),
reconnect_tree_command_(nullptr)
{
}
virtual ~BlockSplitCommand() override
{
delete reconnect_tree_command_;
}
virtual Project* GetRelevantProject() const override
{
return block_->project();
}
/**
* @brief Access the second block created as a result. Only valid after redo().
*/
Block* new_block()
{
return new_block_;
}
virtual void redo() override;
virtual void undo() override;
private:
Block* block_;
Block* new_block_;
rational old_length_;
rational point_;
MultiUndoCommand* reconnect_tree_command_;
NodeInput moved_transition_;
};
class BlockSplitPreservingLinksCommand : public UndoCommand {
public:
BlockSplitPreservingLinksCommand(const QVector<Block *> &blocks, const QList<rational>& times) :
blocks_(blocks),
times_(times)
{
}
virtual ~BlockSplitPreservingLinksCommand() override
{
qDeleteAll(commands_);
}
virtual Project* GetRelevantProject() const override
{
return blocks_.first()->project();
}
virtual void redo() override;
virtual void undo() override
{
for (int i=commands_.size()-1; i>=0; i--) {
commands_.at(i)->undo_now();
}
}
private:
QVector<Block *> blocks_;
QList<rational> times_;
QVector<UndoCommand*> commands_;
};
class TrackSplitAtTimeCommand : public UndoCommand {
public:
TrackSplitAtTimeCommand(Track* track, rational point) :
track_(track),
point_(point),
command_(nullptr)
{
}
virtual ~TrackSplitAtTimeCommand() override
{
delete command_;
}
virtual Project* GetRelevantProject() const override
{
return track_->project();
}
virtual void prepare() override;
virtual void redo() override
{
if (command_) {
command_->redo_now();
}
}
virtual void undo() override
{
if (command_) {
command_->undo_now();
}
}
private:
Track* track_;
rational point_;
UndoCommand* command_;
};
}
#endif // TIMELINEUNDOSPLIT_H