Files
oak-editor/app/undo/undocommand.cpp
T
2025-08-05 17:12:49 +08:00

89 lines
1.6 KiB
C++

/*
* Olive Community Edition - Non-Linear Video Editor
* Copyright (C) 2025 Olive CE 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 "undocommand.h"
#include "core.h"
namespace olive
{
void MultiUndoCommand::redo()
{
for (auto it = children_.cbegin(); it != children_.cend(); it++) {
(*it)->redo_and_set_modified();
}
}
void MultiUndoCommand::undo()
{
for (auto it = children_.crbegin(); it != children_.crend(); it++) {
(*it)->undo_and_set_modified();
}
}
UndoCommand::UndoCommand()
{
prepared_ = false;
done_ = false;
}
void UndoCommand::redo_and_set_modified()
{
project_ = GetRelevantProject();
redo_now();
if (project_) {
modified_ = project_->is_modified();
project_->set_modified(true);
}
}
void UndoCommand::undo_and_set_modified()
{
undo_now();
if (project_) {
project_->set_modified(modified_);
}
}
void UndoCommand::redo_now()
{
if (!done_) {
if (!prepared_) {
prepare();
prepared_ = true;
}
redo();
done_ = true;
}
}
void UndoCommand::undo_now()
{
if (done_) {
undo();
done_ = false;
}
}
}