161 lines
2.9 KiB
C++
161 lines
2.9 KiB
C++
/*
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* Olive Community Edition - Non-Linear Video Editor
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* Copyright (C) 2025 Olive CE Team
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*
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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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*
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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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*
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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 TIMELINEUNDOTRACK_H
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#define TIMELINEUNDOTRACK_H
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#include "node/output/track/track.h"
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namespace olive
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{
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class TrackRippleRemoveBlockCommand : public UndoCommand {
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public:
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TrackRippleRemoveBlockCommand(Track *track, Block *block)
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: track_(track)
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, block_(block)
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{
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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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protected:
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virtual void redo() override
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{
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before_ = block_->previous();
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track_->RippleRemoveBlock(block_);
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}
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virtual void undo() override
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{
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track_->InsertBlockAfter(block_, before_);
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}
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private:
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Track *track_;
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Block *block_;
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Block *before_;
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};
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class TrackPrependBlockCommand : public UndoCommand {
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public:
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TrackPrependBlockCommand(Track *track, Block *block)
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: track_(track)
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, block_(block)
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{
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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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protected:
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virtual void redo() override
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{
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track_->PrependBlock(block_);
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}
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virtual void undo() override
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{
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track_->RippleRemoveBlock(block_);
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}
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private:
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Track *track_;
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Block *block_;
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};
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class TrackInsertBlockAfterCommand : public UndoCommand {
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public:
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TrackInsertBlockAfterCommand(Track *track, Block *block, Block *before)
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: track_(track)
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, block_(block)
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, before_(before)
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{
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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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protected:
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virtual void redo() override
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{
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track_->InsertBlockAfter(block_, before_);
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}
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virtual void undo() override
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{
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track_->RippleRemoveBlock(block_);
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}
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private:
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Track *track_;
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Block *block_;
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Block *before_;
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};
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/**
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* @brief Replaces Block `old` with Block `replace`
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*
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* Both blocks must have equal lengths.
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*/
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class TrackReplaceBlockCommand : public UndoCommand {
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public:
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TrackReplaceBlockCommand(Track *track, Block *old, Block *replace)
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: track_(track)
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, old_(old)
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, replace_(replace)
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{
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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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protected:
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virtual void redo() override
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{
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track_->ReplaceBlock(old_, replace_);
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}
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virtual void undo() override
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{
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track_->ReplaceBlock(replace_, old_);
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}
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private:
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Track *track_;
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Block *old_;
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Block *replace_;
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};
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}
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#endif // TIMELINEUNDOTRACK_H
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