156 lines
2.9 KiB
C++
156 lines
2.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef TIMELINEUNDOSPLIT_H
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#define TIMELINEUNDOSPLIT_H
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#include "node/output/track/track.h"
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namespace olive {
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class BlockSplitCommand : public UndoCommand {
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public:
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BlockSplitCommand(Block* block, rational point) :
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block_(block),
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new_block_(nullptr),
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point_(point),
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reconnect_tree_command_(nullptr)
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{
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}
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virtual ~BlockSplitCommand() override
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{
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delete reconnect_tree_command_;
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}
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virtual Project* GetRelevantProject() const override
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{
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return block_->project();
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}
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/**
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* @brief Access the second block created as a result. Only valid after redo().
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*/
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Block* new_block()
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{
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return new_block_;
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}
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virtual void redo() override;
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virtual void undo() override;
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private:
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Block* block_;
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Block* new_block_;
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rational old_length_;
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rational point_;
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MultiUndoCommand* reconnect_tree_command_;
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NodeInput moved_transition_;
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};
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class BlockSplitPreservingLinksCommand : public UndoCommand {
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public:
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BlockSplitPreservingLinksCommand(const QVector<Block *> &blocks, const QList<rational>& times) :
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blocks_(blocks),
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times_(times)
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{
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}
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virtual ~BlockSplitPreservingLinksCommand() override
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{
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qDeleteAll(commands_);
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}
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virtual Project* GetRelevantProject() const override
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{
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return blocks_.first()->project();
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}
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virtual void redo() override;
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virtual void undo() override
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{
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for (int i=commands_.size()-1; i>=0; i--) {
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commands_.at(i)->undo_now();
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}
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}
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private:
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QVector<Block *> blocks_;
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QList<rational> times_;
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QVector<UndoCommand*> commands_;
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};
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class TrackSplitAtTimeCommand : public UndoCommand {
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public:
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TrackSplitAtTimeCommand(Track* track, rational point) :
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track_(track),
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point_(point),
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command_(nullptr)
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{
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}
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virtual ~TrackSplitAtTimeCommand() override
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{
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delete command_;
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}
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virtual Project* GetRelevantProject() const override
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{
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return track_->project();
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}
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virtual void prepare() override;
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virtual void redo() override
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{
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if (command_) {
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command_->redo_now();
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}
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}
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virtual void undo() override
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{
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if (command_) {
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command_->undo_now();
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}
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}
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private:
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Track* track_;
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rational point_;
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UndoCommand* command_;
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};
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}
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#endif // TIMELINEUNDOSPLIT_H
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