44 lines
1.2 KiB
C++
44 lines
1.2 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/>.
|
|
|
|
***/
|
|
|
|
#ifndef UNDOSTACK_H
|
|
#define UNDOSTACK_H
|
|
|
|
#include <QUndoStack>
|
|
|
|
class OliveUndoStack : public QUndoStack {
|
|
public:
|
|
/**
|
|
* @brief A wrapper for push() that either pushes if the command has children or deletes if not
|
|
*
|
|
* This function takes ownership of `command`, and may delete it so it should never be accessed after this call.
|
|
*/
|
|
void pushIfHasChildren(QUndoCommand* command);
|
|
};
|
|
|
|
namespace olive {
|
|
/**
|
|
* @brief A static undo stack for undoable commands throughout Olive
|
|
*/
|
|
extern OliveUndoStack undo_stack;
|
|
}
|
|
|
|
#endif // UNDOSTACK_H
|